drivers/net/tg3.c

   1 /*
   2  * tg3.c: Broadcom Tigon3 ethernet driver.
   3  *
   4  * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
   5  * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
   6  * Copyright (C) 2004 Sun Microsystems Inc.
   7  * Copyright (C) 2005-2010 Broadcom Corporation.
   8  *
   9  * Firmware is:
  10  *      Derived from proprietary unpublished source code,
  11  *      Copyright (C) 2000-2003 Broadcom Corporation.
  12  *
  13  *      Permission is hereby granted for the distribution of this firmware
  14  *      data in hexadecimal or equivalent format, provided this copyright
  15  *      notice is accompanying it.
  16  */
  17
  18
  19 #include <linux/module.h>
  20 #include <linux/moduleparam.h>
  21 #include <linux/kernel.h>
  22 #include <linux/types.h>
  23 #include <linux/compiler.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <linux/in.h>
  27 #include <linux/init.h>
  28 #include <linux/ioport.h>
  29 #include <linux/pci.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/mii.h>
  35 #include <linux/phy.h>
  36 #include <linux/brcmphy.h>
  37 #include <linux/if_vlan.h>
  38 #include <linux/ip.h>
  39 #include <linux/tcp.h>
  40 #include <linux/workqueue.h>
  41 #include <linux/prefetch.h>
  42 #include <linux/dma-mapping.h>
  43 #include <linux/firmware.h>
  44
  45 #include <net/checksum.h>
  46 #include <net/ip.h>
  47
  48 #include <asm/system.h>
  49 #include <asm/io.h>
  50 #include <asm/byteorder.h>
  51 #include <asm/uaccess.h>
  52
  53 #ifdef CONFIG_SPARC
  54 #include <asm/idprom.h>
  55 #include <asm/prom.h>
  56 #endif
  57
  58 #define BAR_0   0
  59 #define BAR_2   2
  60
  61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  62 #define TG3_VLAN_TAG_USED 1
  63 #else
  64 #define TG3_VLAN_TAG_USED 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.107"
  72 #define DRV_MODULE_RELDATE      "February 12, 2010"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 105 #define TG3_RSS_INDIR_TBL_SIZE 128
 106
 107 /* Do not place this n-ring entries value into the tp struct itself,
 108  * we really want to expose these constants to GCC so that modulo et
 109  * al.  operations are done with shifts and masks instead of with
 110  * hw multiply/modulo instructions.  Another solution would be to
 111  * replace things like '% foo' with '& (foo - 1)'.
 112  */
 113 #define TG3_RX_RCB_RING_SIZE(tp)        \
 114         (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
 115           !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
 116
 117 #define TG3_TX_RING_SIZE                512
 118 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 119
 120 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 121                                  TG3_RX_RING_SIZE)
 122 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
 123                                  TG3_RX_JUMBO_RING_SIZE)
 124 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 125                                  TG3_RX_RCB_RING_SIZE(tp))
 126 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 127                                  TG3_TX_RING_SIZE)
 128 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 129
 130 #define TG3_DMA_BYTE_ENAB               64
 131
 132 #define TG3_RX_STD_DMA_SZ               1536
 133 #define TG3_RX_JMB_DMA_SZ               9046
 134
 135 #define TG3_RX_DMA_TO_MAP_SZ(x)         ((x) + TG3_DMA_BYTE_ENAB)
 136
 137 #define TG3_RX_STD_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
 138 #define TG3_RX_JMB_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
 139
 140 #define TG3_RX_STD_BUFF_RING_SIZE \
 141         (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
 142
 143 #define TG3_RX_JMB_BUFF_RING_SIZE \
 144         (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
 145
 146 /* minimum number of free TX descriptors required to wake up TX process */
 147 #define TG3_TX_WAKEUP_THRESH(tnapi)             ((tnapi)->tx_pending / 4)
 148
 149 #define TG3_RAW_IP_ALIGN 2
 150
 151 /* number of ETHTOOL_GSTATS u64's */
 152 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 153
 154 #define TG3_NUM_TEST            6
 155
 156 #define FIRMWARE_TG3            "tigon/tg3.bin"
 157 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 158 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 159
 160 static char version[] __devinitdata =
 161         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 162
 163 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 164 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 165 MODULE_LICENSE("GPL");
 166 MODULE_VERSION(DRV_MODULE_VERSION);
 167 MODULE_FIRMWARE(FIRMWARE_TG3);
 168 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 169 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 170
 171 #define TG3_RSS_MIN_NUM_MSIX_VECS       2
 172
 173 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 174 module_param(tg3_debug, int, 0);
 175 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 176
 177 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 234         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 235         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 236         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 237         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 238         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
 239         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
 240         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 241         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 242         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 243         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
 244         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
 245         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
 246         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
 247         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
 248         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
 249         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
 250         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
 251         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
 252         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
 253         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 254         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 255         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 256         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 257         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 258         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 259         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 260         {}
 261 };
 262
 263 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 264
 265 static const struct {
 266         const char string[ETH_GSTRING_LEN];
 267 } ethtool_stats_keys[TG3_NUM_STATS] = {
 268         { "rx_octets" },
 269         { "rx_fragments" },
 270         { "rx_ucast_packets" },
 271         { "rx_mcast_packets" },
 272         { "rx_bcast_packets" },
 273         { "rx_fcs_errors" },
 274         { "rx_align_errors" },
 275         { "rx_xon_pause_rcvd" },
 276         { "rx_xoff_pause_rcvd" },
 277         { "rx_mac_ctrl_rcvd" },
 278         { "rx_xoff_entered" },
 279         { "rx_frame_too_long_errors" },
 280         { "rx_jabbers" },
 281         { "rx_undersize_packets" },
 282         { "rx_in_length_errors" },
 283         { "rx_out_length_errors" },
 284         { "rx_64_or_less_octet_packets" },
 285         { "rx_65_to_127_octet_packets" },
 286         { "rx_128_to_255_octet_packets" },
 287         { "rx_256_to_511_octet_packets" },
 288         { "rx_512_to_1023_octet_packets" },
 289         { "rx_1024_to_1522_octet_packets" },
 290         { "rx_1523_to_2047_octet_packets" },
 291         { "rx_2048_to_4095_octet_packets" },
 292         { "rx_4096_to_8191_octet_packets" },
 293         { "rx_8192_to_9022_octet_packets" },
 294
 295         { "tx_octets" },
 296         { "tx_collisions" },
 297
 298         { "tx_xon_sent" },
 299         { "tx_xoff_sent" },
 300         { "tx_flow_control" },
 301         { "tx_mac_errors" },
 302         { "tx_single_collisions" },
 303         { "tx_mult_collisions" },
 304         { "tx_deferred" },
 305         { "tx_excessive_collisions" },
 306         { "tx_late_collisions" },
 307         { "tx_collide_2times" },
 308         { "tx_collide_3times" },
 309         { "tx_collide_4times" },
 310         { "tx_collide_5times" },
 311         { "tx_collide_6times" },
 312         { "tx_collide_7times" },
 313         { "tx_collide_8times" },
 314         { "tx_collide_9times" },
 315         { "tx_collide_10times" },
 316         { "tx_collide_11times" },
 317         { "tx_collide_12times" },
 318         { "tx_collide_13times" },
 319         { "tx_collide_14times" },
 320         { "tx_collide_15times" },
 321         { "tx_ucast_packets" },
 322         { "tx_mcast_packets" },
 323         { "tx_bcast_packets" },
 324         { "tx_carrier_sense_errors" },
 325         { "tx_discards" },
 326         { "tx_errors" },
 327
 328         { "dma_writeq_full" },
 329         { "dma_write_prioq_full" },
 330         { "rxbds_empty" },
 331         { "rx_discards" },
 332         { "rx_errors" },
 333         { "rx_threshold_hit" },
 334
 335         { "dma_readq_full" },
 336         { "dma_read_prioq_full" },
 337         { "tx_comp_queue_full" },
 338
 339         { "ring_set_send_prod_index" },
 340         { "ring_status_update" },
 341         { "nic_irqs" },
 342         { "nic_avoided_irqs" },
 343         { "nic_tx_threshold_hit" }
 344 };
 345
 346 static const struct {
 347         const char string[ETH_GSTRING_LEN];
 348 } ethtool_test_keys[TG3_NUM_TEST] = {
 349         { "nvram test     (online) " },
 350         { "link test      (online) " },
 351         { "register test  (offline)" },
 352         { "memory test    (offline)" },
 353         { "loopback test  (offline)" },
 354         { "interrupt test (offline)" },
 355 };
 356
 357 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 358 {
 359         writel(val, tp->regs + off);
 360 }
 361
 362 static u32 tg3_read32(struct tg3 *tp, u32 off)
 363 {
 364         return (readl(tp->regs + off));
 365 }
 366
 367 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 368 {
 369         writel(val, tp->aperegs + off);
 370 }
 371
 372 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 373 {
 374         return (readl(tp->aperegs + off));
 375 }
 376
 377 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 378 {
 379         unsigned long flags;
 380
 381         spin_lock_irqsave(&tp->indirect_lock, flags);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 383         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 384         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 385 }
 386
 387 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 388 {
 389         writel(val, tp->regs + off);
 390         readl(tp->regs + off);
 391 }
 392
 393 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 394 {
 395         unsigned long flags;
 396         u32 val;
 397
 398         spin_lock_irqsave(&tp->indirect_lock, flags);
 399         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 400         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 401         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 402         return val;
 403 }
 404
 405 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 406 {
 407         unsigned long flags;
 408
 409         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 410                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 411                                        TG3_64BIT_REG_LOW, val);
 412                 return;
 413         }
 414         if (off == TG3_RX_STD_PROD_IDX_REG) {
 415                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 416                                        TG3_64BIT_REG_LOW, val);
 417                 return;
 418         }
 419
 420         spin_lock_irqsave(&tp->indirect_lock, flags);
 421         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 422         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 423         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 424
 425         /* In indirect mode when disabling interrupts, we also need
 426          * to clear the interrupt bit in the GRC local ctrl register.
 427          */
 428         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 429             (val == 0x1)) {
 430                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 431                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 432         }
 433 }
 434
 435 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 436 {
 437         unsigned long flags;
 438         u32 val;
 439
 440         spin_lock_irqsave(&tp->indirect_lock, flags);
 441         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 442         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 443         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 444         return val;
 445 }
 446
 447 /* usec_wait specifies the wait time in usec when writing to certain registers
 448  * where it is unsafe to read back the register without some delay.
 449  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 450  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 451  */
 452 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 453 {
 454         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 455             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 456                 /* Non-posted methods */
 457                 tp->write32(tp, off, val);
 458         else {
 459                 /* Posted method */
 460                 tg3_write32(tp, off, val);
 461                 if (usec_wait)
 462                         udelay(usec_wait);
 463                 tp->read32(tp, off);
 464         }
 465         /* Wait again after the read for the posted method to guarantee that
 466          * the wait time is met.
 467          */
 468         if (usec_wait)
 469                 udelay(usec_wait);
 470 }
 471
 472 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 473 {
 474         tp->write32_mbox(tp, off, val);
 475         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 476             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 477                 tp->read32_mbox(tp, off);
 478 }
 479
 480 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 481 {
 482         void __iomem *mbox = tp->regs + off;
 483         writel(val, mbox);
 484         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 485                 writel(val, mbox);
 486         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 487                 readl(mbox);
 488 }
 489
 490 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 491 {
 492         return (readl(tp->regs + off + GRCMBOX_BASE));
 493 }
 494
 495 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 496 {
 497         writel(val, tp->regs + off + GRCMBOX_BASE);
 498 }
 499
 500 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 501 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 502 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 503 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 504 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 505
 506 #define tw32(reg,val)           tp->write32(tp, reg, val)
 507 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 508 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 509 #define tr32(reg)               tp->read32(tp, reg)
 510
 511 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 512 {
 513         unsigned long flags;
 514
 515         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 516             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 517                 return;
 518
 519         spin_lock_irqsave(&tp->indirect_lock, flags);
 520         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 521                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 522                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 523
 524                 /* Always leave this as zero. */
 525                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 526         } else {
 527                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 528                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 529
 530                 /* Always leave this as zero. */
 531                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 532         }
 533         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 534 }
 535
 536 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 537 {
 538         unsigned long flags;
 539
 540         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 541             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 542                 *val = 0;
 543                 return;
 544         }
 545
 546         spin_lock_irqsave(&tp->indirect_lock, flags);
 547         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 548                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 549                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 550
 551                 /* Always leave this as zero. */
 552                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 553         } else {
 554                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 555                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 556
 557                 /* Always leave this as zero. */
 558                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 559         }
 560         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 561 }
 562
 563 static void tg3_ape_lock_init(struct tg3 *tp)
 564 {
 565         int i;
 566
 567         /* Make sure the driver hasn't any stale locks. */
 568         for (i = 0; i < 8; i++)
 569                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 570                                 APE_LOCK_GRANT_DRIVER);
 571 }
 572
 573 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 574 {
 575         int i, off;
 576         int ret = 0;
 577         u32 status;
 578
 579         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 580                 return 0;
 581
 582         switch (locknum) {
 583                 case TG3_APE_LOCK_GRC:
 584                 case TG3_APE_LOCK_MEM:
 585                         break;
 586                 default:
 587                         return -EINVAL;
 588         }
 589
 590         off = 4 * locknum;
 591
 592         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 593
 594         /* Wait for up to 1 millisecond to acquire lock. */
 595         for (i = 0; i < 100; i++) {
 596                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 597                 if (status == APE_LOCK_GRANT_DRIVER)
 598                         break;
 599                 udelay(10);
 600         }
 601
 602         if (status != APE_LOCK_GRANT_DRIVER) {
 603                 /* Revoke the lock request. */
 604                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 605                                 APE_LOCK_GRANT_DRIVER);
 606
 607                 ret = -EBUSY;
 608         }
 609
 610         return ret;
 611 }
 612
 613 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 614 {
 615         int off;
 616
 617         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 618                 return;
 619
 620         switch (locknum) {
 621                 case TG3_APE_LOCK_GRC:
 622                 case TG3_APE_LOCK_MEM:
 623                         break;
 624                 default:
 625                         return;
 626         }
 627
 628         off = 4 * locknum;
 629         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 630 }
 631
 632 static void tg3_disable_ints(struct tg3 *tp)
 633 {
 634         int i;
 635
 636         tw32(TG3PCI_MISC_HOST_CTRL,
 637              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 638         for (i = 0; i < tp->irq_max; i++)
 639                 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
 640 }
 641
 642 static void tg3_enable_ints(struct tg3 *tp)
 643 {
 644         int i;
 645
 646         tp->irq_sync = 0;
 647         wmb();
 648
 649         tw32(TG3PCI_MISC_HOST_CTRL,
 650              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 651
 652         tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
 653         for (i = 0; i < tp->irq_cnt; i++) {
 654                 struct tg3_napi *tnapi = &tp->napi[i];
 655                 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 656                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 657                         tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 658
 659                 tp->coal_now |= tnapi->coal_now;
 660         }
 661
 662         /* Force an initial interrupt */
 663         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 664             (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
 665                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 666         else
 667                 tw32(HOSTCC_MODE, tp->coal_now);
 668
 669         tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
 670 }
 671
 672 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
 673 {
 674         struct tg3 *tp = tnapi->tp;
 675         struct tg3_hw_status *sblk = tnapi->hw_status;
 676         unsigned int work_exists = 0;
 677
 678         /* check for phy events */
 679         if (!(tp->tg3_flags &
 680               (TG3_FLAG_USE_LINKCHG_REG |
 681                TG3_FLAG_POLL_SERDES))) {
 682                 if (sblk->status & SD_STATUS_LINK_CHG)
 683                         work_exists = 1;
 684         }
 685         /* check for RX/TX work to do */
 686         if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
 687             *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
 688                 work_exists = 1;
 689
 690         return work_exists;
 691 }
 692
 693 /* tg3_int_reenable
 694  *  similar to tg3_enable_ints, but it accurately determines whether there
 695  *  is new work pending and can return without flushing the PIO write
 696  *  which reenables interrupts
 697  */
 698 static void tg3_int_reenable(struct tg3_napi *tnapi)
 699 {
 700         struct tg3 *tp = tnapi->tp;
 701
 702         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
 703         mmiowb();
 704
 705         /* When doing tagged status, this work check is unnecessary.
 706          * The last_tag we write above tells the chip which piece of
 707          * work we've completed.
 708          */
 709         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 710             tg3_has_work(tnapi))
 711                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 712                      HOSTCC_MODE_ENABLE | tnapi->coal_now);
 713 }
 714
 715 static void tg3_napi_disable(struct tg3 *tp)
 716 {
 717         int i;
 718
 719         for (i = tp->irq_cnt - 1; i >= 0; i--)
 720                 napi_disable(&tp->napi[i].napi);
 721 }
 722
 723 static void tg3_napi_enable(struct tg3 *tp)
 724 {
 725         int i;
 726
 727         for (i = 0; i < tp->irq_cnt; i++)
 728                 napi_enable(&tp->napi[i].napi);
 729 }
 730
 731 static inline void tg3_netif_stop(struct tg3 *tp)
 732 {
 733         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 734         tg3_napi_disable(tp);
 735         netif_tx_disable(tp->dev);
 736 }
 737
 738 static inline void tg3_netif_start(struct tg3 *tp)
 739 {
 740         /* NOTE: unconditional netif_tx_wake_all_queues is only
 741          * appropriate so long as all callers are assured to
 742          * have free tx slots (such as after tg3_init_hw)
 743          */
 744         netif_tx_wake_all_queues(tp->dev);
 745
 746         tg3_napi_enable(tp);
 747         tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
 748         tg3_enable_ints(tp);
 749 }
 750
 751 static void tg3_switch_clocks(struct tg3 *tp)
 752 {
 753         u32 clock_ctrl;
 754         u32 orig_clock_ctrl;
 755
 756         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 757             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 758                 return;
 759
 760         clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 761
 762         orig_clock_ctrl = clock_ctrl;
 763         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 764                        CLOCK_CTRL_CLKRUN_OENABLE |
 765                        0x1f);
 766         tp->pci_clock_ctrl = clock_ctrl;
 767
 768         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 769                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 770                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 771                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 772                 }
 773         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 774                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 775                             clock_ctrl |
 776                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 777                             40);
 778                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 779                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 780                             40);
 781         }
 782         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 783 }
 784
 785 #define PHY_BUSY_LOOPS  5000
 786
 787 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 788 {
 789         u32 frame_val;
 790         unsigned int loops;
 791         int ret;
 792
 793         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 794                 tw32_f(MAC_MI_MODE,
 795                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 796                 udelay(80);
 797         }
 798
 799         *val = 0x0;
 800
 801         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 802                       MI_COM_PHY_ADDR_MASK);
 803         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 804                       MI_COM_REG_ADDR_MASK);
 805         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 806
 807         tw32_f(MAC_MI_COM, frame_val);
 808
 809         loops = PHY_BUSY_LOOPS;
 810         while (loops != 0) {
 811                 udelay(10);
 812                 frame_val = tr32(MAC_MI_COM);
 813
 814                 if ((frame_val & MI_COM_BUSY) == 0) {
 815                         udelay(5);
 816                         frame_val = tr32(MAC_MI_COM);
 817                         break;
 818                 }
 819                 loops -= 1;
 820         }
 821
 822         ret = -EBUSY;
 823         if (loops != 0) {
 824                 *val = frame_val & MI_COM_DATA_MASK;
 825                 ret = 0;
 826         }
 827
 828         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 829                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 830                 udelay(80);
 831         }
 832
 833         return ret;
 834 }
 835
 836 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 837 {
 838         u32 frame_val;
 839         unsigned int loops;
 840         int ret;
 841
 842         if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
 843             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 844                 return 0;
 845
 846         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 847                 tw32_f(MAC_MI_MODE,
 848                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 849                 udelay(80);
 850         }
 851
 852         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 853                       MI_COM_PHY_ADDR_MASK);
 854         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 855                       MI_COM_REG_ADDR_MASK);
 856         frame_val |= (val & MI_COM_DATA_MASK);
 857         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 858
 859         tw32_f(MAC_MI_COM, frame_val);
 860
 861         loops = PHY_BUSY_LOOPS;
 862         while (loops != 0) {
 863                 udelay(10);
 864                 frame_val = tr32(MAC_MI_COM);
 865                 if ((frame_val & MI_COM_BUSY) == 0) {
 866                         udelay(5);
 867                         frame_val = tr32(MAC_MI_COM);
 868                         break;
 869                 }
 870                 loops -= 1;
 871         }
 872
 873         ret = -EBUSY;
 874         if (loops != 0)
 875                 ret = 0;
 876
 877         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 878                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 879                 udelay(80);
 880         }
 881
 882         return ret;
 883 }
 884
 885 static int tg3_bmcr_reset(struct tg3 *tp)
 886 {
 887         u32 phy_control;
 888         int limit, err;
 889
 890         /* OK, reset it, and poll the BMCR_RESET bit until it
 891          * clears or we time out.
 892          */
 893         phy_control = BMCR_RESET;
 894         err = tg3_writephy(tp, MII_BMCR, phy_control);
 895         if (err != 0)
 896                 return -EBUSY;
 897
 898         limit = 5000;
 899         while (limit--) {
 900                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 901                 if (err != 0)
 902                         return -EBUSY;
 903
 904                 if ((phy_control & BMCR_RESET) == 0) {
 905                         udelay(40);
 906                         break;
 907                 }
 908                 udelay(10);
 909         }
 910         if (limit < 0)
 911                 return -EBUSY;
 912
 913         return 0;
 914 }
 915
 916 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 917 {
 918         struct tg3 *tp = bp->priv;
 919         u32 val;
 920
 921         spin_lock_bh(&tp->lock);
 922
 923         if (tg3_readphy(tp, reg, &val))
 924                 val = -EIO;
 925
 926         spin_unlock_bh(&tp->lock);
 927
 928         return val;
 929 }
 930
 931 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 932 {
 933         struct tg3 *tp = bp->priv;
 934         u32 ret = 0;
 935
 936         spin_lock_bh(&tp->lock);
 937
 938         if (tg3_writephy(tp, reg, val))
 939                 ret = -EIO;
 940
 941         spin_unlock_bh(&tp->lock);
 942
 943         return ret;
 944 }
 945
 946 static int tg3_mdio_reset(struct mii_bus *bp)
 947 {
 948         return 0;
 949 }
 950
 951 static void tg3_mdio_config_5785(struct tg3 *tp)
 952 {
 953         u32 val;
 954         struct phy_device *phydev;
 955
 956         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 957         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 958         case TG3_PHY_ID_BCM50610:
 959         case TG3_PHY_ID_BCM50610M:
 960                 val = MAC_PHYCFG2_50610_LED_MODES;
 961                 break;
 962         case TG3_PHY_ID_BCMAC131:
 963                 val = MAC_PHYCFG2_AC131_LED_MODES;
 964                 break;
 965         case TG3_PHY_ID_RTL8211C:
 966                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 967                 break;
 968         case TG3_PHY_ID_RTL8201E:
 969                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 970                 break;
 971         default:
 972                 return;
 973         }
 974
 975         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 976                 tw32(MAC_PHYCFG2, val);
 977
 978                 val = tr32(MAC_PHYCFG1);
 979                 val &= ~(MAC_PHYCFG1_RGMII_INT |
 980                          MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
 981                 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
 982                 tw32(MAC_PHYCFG1, val);
 983
 984                 return;
 985         }
 986
 987         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE))
 988                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 989                        MAC_PHYCFG2_FMODE_MASK_MASK |
 990                        MAC_PHYCFG2_GMODE_MASK_MASK |
 991                        MAC_PHYCFG2_ACT_MASK_MASK   |
 992                        MAC_PHYCFG2_QUAL_MASK_MASK |
 993                        MAC_PHYCFG2_INBAND_ENABLE;
 994
 995         tw32(MAC_PHYCFG2, val);
 996
 997         val = tr32(MAC_PHYCFG1);
 998         val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
 999                  MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
1000         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1001                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1002                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
1003                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1004                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1005         }
1006         val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1007                MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1008         tw32(MAC_PHYCFG1, val);
1009
1010         val = tr32(MAC_EXT_RGMII_MODE);
1011         val &= ~(MAC_RGMII_MODE_RX_INT_B |
1012                  MAC_RGMII_MODE_RX_QUALITY |
1013                  MAC_RGMII_MODE_RX_ACTIVITY |
1014                  MAC_RGMII_MODE_RX_ENG_DET |
1015                  MAC_RGMII_MODE_TX_ENABLE |
1016                  MAC_RGMII_MODE_TX_LOWPWR |
1017                  MAC_RGMII_MODE_TX_RESET);
1018         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1019                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1020                         val |= MAC_RGMII_MODE_RX_INT_B |
1021                                MAC_RGMII_MODE_RX_QUALITY |
1022                                MAC_RGMII_MODE_RX_ACTIVITY |
1023                                MAC_RGMII_MODE_RX_ENG_DET;
1024                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1025                         val |= MAC_RGMII_MODE_TX_ENABLE |
1026                                MAC_RGMII_MODE_TX_LOWPWR |
1027                                MAC_RGMII_MODE_TX_RESET;
1028         }
1029         tw32(MAC_EXT_RGMII_MODE, val);
1030 }
1031
1032 static void tg3_mdio_start(struct tg3 *tp)
1033 {
1034         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1035         tw32_f(MAC_MI_MODE, tp->mi_mode);
1036         udelay(80);
1037
1038         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1039             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1040                 tg3_mdio_config_5785(tp);
1041 }
1042
1043 static int tg3_mdio_init(struct tg3 *tp)
1044 {
1045         int i;
1046         u32 reg;
1047         struct phy_device *phydev;
1048
1049         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1050                 u32 funcnum, is_serdes;
1051
1052                 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1053                 if (funcnum)
1054                         tp->phy_addr = 2;
1055                 else
1056                         tp->phy_addr = 1;
1057
1058                 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1059                         is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1060                 else
1061                         is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1062                                     TG3_CPMU_PHY_STRAP_IS_SERDES;
1063                 if (is_serdes)
1064                         tp->phy_addr += 7;
1065         } else
1066                 tp->phy_addr = TG3_PHY_MII_ADDR;
1067
1068         tg3_mdio_start(tp);
1069
1070         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1071             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1072                 return 0;
1073
1074         tp->mdio_bus = mdiobus_alloc();
1075         if (tp->mdio_bus == NULL)
1076                 return -ENOMEM;
1077
1078         tp->mdio_bus->name     = "tg3 mdio bus";
1079         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1080                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1081         tp->mdio_bus->priv     = tp;
1082         tp->mdio_bus->parent   = &tp->pdev->dev;
1083         tp->mdio_bus->read     = &tg3_mdio_read;
1084         tp->mdio_bus->write    = &tg3_mdio_write;
1085         tp->mdio_bus->reset    = &tg3_mdio_reset;
1086         tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1087         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1088
1089         for (i = 0; i < PHY_MAX_ADDR; i++)
1090                 tp->mdio_bus->irq[i] = PHY_POLL;
1091
1092         /* The bus registration will look for all the PHYs on the mdio bus.
1093          * Unfortunately, it does not ensure the PHY is powered up before
1094          * accessing the PHY ID registers.  A chip reset is the
1095          * quickest way to bring the device back to an operational state..
1096          */
1097         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1098                 tg3_bmcr_reset(tp);
1099
1100         i = mdiobus_register(tp->mdio_bus);
1101         if (i) {
1102                 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1103                         tp->dev->name, i);
1104                 mdiobus_free(tp->mdio_bus);
1105                 return i;
1106         }
1107
1108         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1109
1110         if (!phydev || !phydev->drv) {
1111                 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1112                 mdiobus_unregister(tp->mdio_bus);
1113                 mdiobus_free(tp->mdio_bus);
1114                 return -ENODEV;
1115         }
1116
1117         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1118         case TG3_PHY_ID_BCM57780:
1119                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1120                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1121                 break;
1122         case TG3_PHY_ID_BCM50610:
1123         case TG3_PHY_ID_BCM50610M:
1124                 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1125                                      PHY_BRCM_RX_REFCLK_UNUSED |
1126                                      PHY_BRCM_DIS_TXCRXC_NOENRGY |
1127                                      PHY_BRCM_AUTO_PWRDWN_ENABLE;
1128                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)
1129                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1130                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1131                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1132                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1133                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1134                 /* fallthru */
1135         case TG3_PHY_ID_RTL8211C:
1136                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1137                 break;
1138         case TG3_PHY_ID_RTL8201E:
1139         case TG3_PHY_ID_BCMAC131:
1140                 phydev->interface = PHY_INTERFACE_MODE_MII;
1141                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1142                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
1143                 break;
1144         }
1145
1146         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1147
1148         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1149                 tg3_mdio_config_5785(tp);
1150
1151         return 0;
1152 }
1153
1154 static void tg3_mdio_fini(struct tg3 *tp)
1155 {
1156         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1157                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1158                 mdiobus_unregister(tp->mdio_bus);
1159                 mdiobus_free(tp->mdio_bus);
1160         }
1161 }
1162
1163 /* tp->lock is held. */
1164 static inline void tg3_generate_fw_event(struct tg3 *tp)
1165 {
1166         u32 val;
1167
1168         val = tr32(GRC_RX_CPU_EVENT);
1169         val |= GRC_RX_CPU_DRIVER_EVENT;
1170         tw32_f(GRC_RX_CPU_EVENT, val);
1171
1172         tp->last_event_jiffies = jiffies;
1173 }
1174
1175 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1176
1177 /* tp->lock is held. */
1178 static void tg3_wait_for_event_ack(struct tg3 *tp)
1179 {
1180         int i;
1181         unsigned int delay_cnt;
1182         long time_remain;
1183
1184         /* If enough time has passed, no wait is necessary. */
1185         time_remain = (long)(tp->last_event_jiffies + 1 +
1186                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1187                       (long)jiffies;
1188         if (time_remain < 0)
1189                 return;
1190
1191         /* Check if we can shorten the wait time. */
1192         delay_cnt = jiffies_to_usecs(time_remain);
1193         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1194                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1195         delay_cnt = (delay_cnt >> 3) + 1;
1196
1197         for (i = 0; i < delay_cnt; i++) {
1198                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1199                         break;
1200                 udelay(8);
1201         }
1202 }
1203
1204 /* tp->lock is held. */
1205 static void tg3_ump_link_report(struct tg3 *tp)
1206 {
1207         u32 reg;
1208         u32 val;
1209
1210         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1211             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1212                 return;
1213
1214         tg3_wait_for_event_ack(tp);
1215
1216         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1217
1218         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1219
1220         val = 0;
1221         if (!tg3_readphy(tp, MII_BMCR, &reg))
1222                 val = reg << 16;
1223         if (!tg3_readphy(tp, MII_BMSR, &reg))
1224                 val |= (reg & 0xffff);
1225         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1226
1227         val = 0;
1228         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1229                 val = reg << 16;
1230         if (!tg3_readphy(tp, MII_LPA, &reg))
1231                 val |= (reg & 0xffff);
1232         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1233
1234         val = 0;
1235         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1236                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1237                         val = reg << 16;
1238                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1239                         val |= (reg & 0xffff);
1240         }
1241         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1242
1243         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1244                 val = reg << 16;
1245         else
1246                 val = 0;
1247         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1248
1249         tg3_generate_fw_event(tp);
1250 }
1251
1252 static void tg3_link_report(struct tg3 *tp)
1253 {
1254         if (!netif_carrier_ok(tp->dev)) {
1255                 if (netif_msg_link(tp))
1256                         printk(KERN_INFO PFX "%s: Link is down.\n",
1257                                tp->dev->name);
1258                 tg3_ump_link_report(tp);
1259         } else if (netif_msg_link(tp)) {
1260                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1261                        tp->dev->name,
1262                        (tp->link_config.active_speed == SPEED_1000 ?
1263                         1000 :
1264                         (tp->link_config.active_speed == SPEED_100 ?
1265                          100 : 10)),
1266                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1267                         "full" : "half"));
1268
1269                 printk(KERN_INFO PFX
1270                        "%s: Flow control is %s for TX and %s for RX.\n",
1271                        tp->dev->name,
1272                        (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1273                        "on" : "off",
1274                        (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1275                        "on" : "off");
1276                 tg3_ump_link_report(tp);
1277         }
1278 }
1279
1280 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1281 {
1282         u16 miireg;
1283
1284         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1285                 miireg = ADVERTISE_PAUSE_CAP;
1286         else if (flow_ctrl & FLOW_CTRL_TX)
1287                 miireg = ADVERTISE_PAUSE_ASYM;
1288         else if (flow_ctrl & FLOW_CTRL_RX)
1289                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1290         else
1291                 miireg = 0;
1292
1293         return miireg;
1294 }
1295
1296 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1297 {
1298         u16 miireg;
1299
1300         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1301                 miireg = ADVERTISE_1000XPAUSE;
1302         else if (flow_ctrl & FLOW_CTRL_TX)
1303                 miireg = ADVERTISE_1000XPSE_ASYM;
1304         else if (flow_ctrl & FLOW_CTRL_RX)
1305                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1306         else
1307                 miireg = 0;
1308
1309         return miireg;
1310 }
1311
1312 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1313 {
1314         u8 cap = 0;
1315
1316         if (lcladv & ADVERTISE_1000XPAUSE) {
1317                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1318                         if (rmtadv & LPA_1000XPAUSE)
1319                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1320                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1321                                 cap = FLOW_CTRL_RX;
1322                 } else {
1323                         if (rmtadv & LPA_1000XPAUSE)
1324                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1325                 }
1326         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1327                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1328                         cap = FLOW_CTRL_TX;
1329         }
1330
1331         return cap;
1332 }
1333
1334 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1335 {
1336         u8 autoneg;
1337         u8 flowctrl = 0;
1338         u32 old_rx_mode = tp->rx_mode;
1339         u32 old_tx_mode = tp->tx_mode;
1340
1341         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1342                 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1343         else
1344                 autoneg = tp->link_config.autoneg;
1345
1346         if (autoneg == AUTONEG_ENABLE &&
1347             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1348                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1349                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1350                 else
1351                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1352         } else
1353                 flowctrl = tp->link_config.flowctrl;
1354
1355         tp->link_config.active_flowctrl = flowctrl;
1356
1357         if (flowctrl & FLOW_CTRL_RX)
1358                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1359         else
1360                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1361
1362         if (old_rx_mode != tp->rx_mode)
1363                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1364
1365         if (flowctrl & FLOW_CTRL_TX)
1366                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1367         else
1368                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1369
1370         if (old_tx_mode != tp->tx_mode)
1371                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1372 }
1373
1374 static void tg3_adjust_link(struct net_device *dev)
1375 {
1376         u8 oldflowctrl, linkmesg = 0;
1377         u32 mac_mode, lcl_adv, rmt_adv;
1378         struct tg3 *tp = netdev_priv(dev);
1379         struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1380
1381         spin_lock_bh(&tp->lock);
1382
1383         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1384                                     MAC_MODE_HALF_DUPLEX);
1385
1386         oldflowctrl = tp->link_config.active_flowctrl;
1387
1388         if (phydev->link) {
1389                 lcl_adv = 0;
1390                 rmt_adv = 0;
1391
1392                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1393                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1394                 else if (phydev->speed == SPEED_1000 ||
1395                          GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1396                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1397                 else
1398                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1399
1400                 if (phydev->duplex == DUPLEX_HALF)
1401                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1402                 else {
1403                         lcl_adv = tg3_advert_flowctrl_1000T(
1404                                   tp->link_config.flowctrl);
1405
1406                         if (phydev->pause)
1407                                 rmt_adv = LPA_PAUSE_CAP;
1408                         if (phydev->asym_pause)
1409                                 rmt_adv |= LPA_PAUSE_ASYM;
1410                 }
1411
1412                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1413         } else
1414                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1415
1416         if (mac_mode != tp->mac_mode) {
1417                 tp->mac_mode = mac_mode;
1418                 tw32_f(MAC_MODE, tp->mac_mode);
1419                 udelay(40);
1420         }
1421
1422         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1423                 if (phydev->speed == SPEED_10)
1424                         tw32(MAC_MI_STAT,
1425                              MAC_MI_STAT_10MBPS_MODE |
1426                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1427                 else
1428                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1429         }
1430
1431         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1432                 tw32(MAC_TX_LENGTHS,
1433                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1434                       (6 << TX_LENGTHS_IPG_SHIFT) |
1435                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1436         else
1437                 tw32(MAC_TX_LENGTHS,
1438                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1439                       (6 << TX_LENGTHS_IPG_SHIFT) |
1440                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1441
1442         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1443             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1444             phydev->speed != tp->link_config.active_speed ||
1445             phydev->duplex != tp->link_config.active_duplex ||
1446             oldflowctrl != tp->link_config.active_flowctrl)
1447             linkmesg = 1;
1448
1449         tp->link_config.active_speed = phydev->speed;
1450         tp->link_config.active_duplex = phydev->duplex;
1451
1452         spin_unlock_bh(&tp->lock);
1453
1454         if (linkmesg)
1455                 tg3_link_report(tp);
1456 }
1457
1458 static int tg3_phy_init(struct tg3 *tp)
1459 {
1460         struct phy_device *phydev;
1461
1462         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1463                 return 0;
1464
1465         /* Bring the PHY back to a known state. */
1466         tg3_bmcr_reset(tp);
1467
1468         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1469
1470         /* Attach the MAC to the PHY. */
1471         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1472                              phydev->dev_flags, phydev->interface);
1473         if (IS_ERR(phydev)) {
1474                 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1475                 return PTR_ERR(phydev);
1476         }
1477
1478         /* Mask with MAC supported features. */
1479         switch (phydev->interface) {
1480         case PHY_INTERFACE_MODE_GMII:
1481         case PHY_INTERFACE_MODE_RGMII:
1482                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1483                         phydev->supported &= (PHY_GBIT_FEATURES |
1484                                               SUPPORTED_Pause |
1485                                               SUPPORTED_Asym_Pause);
1486                         break;
1487                 }
1488                 /* fallthru */
1489         case PHY_INTERFACE_MODE_MII:
1490                 phydev->supported &= (PHY_BASIC_FEATURES |
1491                                       SUPPORTED_Pause |
1492                                       SUPPORTED_Asym_Pause);
1493                 break;
1494         default:
1495                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1496                 return -EINVAL;
1497         }
1498
1499         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1500
1501         phydev->advertising = phydev->supported;
1502
1503         return 0;
1504 }
1505
1506 static void tg3_phy_start(struct tg3 *tp)
1507 {
1508         struct phy_device *phydev;
1509
1510         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1511                 return;
1512
1513         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1514
1515         if (tp->link_config.phy_is_low_power) {
1516                 tp->link_config.phy_is_low_power = 0;
1517                 phydev->speed = tp->link_config.orig_speed;
1518                 phydev->duplex = tp->link_config.orig_duplex;
1519                 phydev->autoneg = tp->link_config.orig_autoneg;
1520                 phydev->advertising = tp->link_config.orig_advertising;
1521         }
1522
1523         phy_start(phydev);
1524
1525         phy_start_aneg(phydev);
1526 }
1527
1528 static void tg3_phy_stop(struct tg3 *tp)
1529 {
1530         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1531                 return;
1532
1533         phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1534 }
1535
1536 static void tg3_phy_fini(struct tg3 *tp)
1537 {
1538         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1539                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1540                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1541         }
1542 }
1543
1544 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1545 {
1546         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1547         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1548 }
1549
1550 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1551 {
1552         u32 phytest;
1553
1554         if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1555                 u32 phy;
1556
1557                 tg3_writephy(tp, MII_TG3_FET_TEST,
1558                              phytest | MII_TG3_FET_SHADOW_EN);
1559                 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1560                         if (enable)
1561                                 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1562                         else
1563                                 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1564                         tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1565                 }
1566                 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1567         }
1568 }
1569
1570 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1571 {
1572         u32 reg;
1573
1574         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1575                 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1576              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1577                 return;
1578
1579         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1580                 tg3_phy_fet_toggle_apd(tp, enable);
1581                 return;
1582         }
1583
1584         reg = MII_TG3_MISC_SHDW_WREN |
1585               MII_TG3_MISC_SHDW_SCR5_SEL |
1586               MII_TG3_MISC_SHDW_SCR5_LPED |
1587               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1588               MII_TG3_MISC_SHDW_SCR5_SDTL |
1589               MII_TG3_MISC_SHDW_SCR5_C125OE;
1590         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1591                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1592
1593         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1594
1595
1596         reg = MII_TG3_MISC_SHDW_WREN |
1597               MII_TG3_MISC_SHDW_APD_SEL |
1598               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1599         if (enable)
1600                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1601
1602         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1603 }
1604
1605 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1606 {
1607         u32 phy;
1608
1609         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1610             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1611                 return;
1612
1613         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1614                 u32 ephy;
1615
1616                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1617                         u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1618
1619                         tg3_writephy(tp, MII_TG3_FET_TEST,
1620                                      ephy | MII_TG3_FET_SHADOW_EN);
1621                         if (!tg3_readphy(tp, reg, &phy)) {
1622                                 if (enable)
1623                                         phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1624                                 else
1625                                         phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1626                                 tg3_writephy(tp, reg, phy);
1627                         }
1628                         tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1629                 }
1630         } else {
1631                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1632                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1633                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1634                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1635                         if (enable)
1636                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1637                         else
1638                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1639                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1640                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1641                 }
1642         }
1643 }
1644
1645 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1646 {
1647         u32 val;
1648
1649         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1650                 return;
1651
1652         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1653             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1654                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1655                              (val | (1 << 15) | (1 << 4)));
1656 }
1657
1658 static void tg3_phy_apply_otp(struct tg3 *tp)
1659 {
1660         u32 otp, phy;
1661
1662         if (!tp->phy_otp)
1663                 return;
1664
1665         otp = tp->phy_otp;
1666
1667         /* Enable SM_DSP clock and tx 6dB coding. */
1668         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1669               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1670               MII_TG3_AUXCTL_ACTL_TX_6DB;
1671         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1672
1673         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1674         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1675         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1676
1677         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1678               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1679         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1680
1681         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1682         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1683         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1684
1685         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1686         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1687
1688         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1689         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1690
1691         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1692               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1693         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1694
1695         /* Turn off SM_DSP clock. */
1696         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1697               MII_TG3_AUXCTL_ACTL_TX_6DB;
1698         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1699 }
1700
1701 static int tg3_wait_macro_done(struct tg3 *tp)
1702 {
1703         int limit = 100;
1704
1705         while (limit--) {
1706                 u32 tmp32;
1707
1708                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1709                         if ((tmp32 & 0x1000) == 0)
1710                                 break;
1711                 }
1712         }
1713         if (limit < 0)
1714                 return -EBUSY;
1715
1716         return 0;
1717 }
1718
1719 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1720 {
1721         static const u32 test_pat[4][6] = {
1722         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1723         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1724         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1725         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1726         };
1727         int chan;
1728
1729         for (chan = 0; chan < 4; chan++) {
1730                 int i;
1731
1732                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1733                              (chan * 0x2000) | 0x0200);
1734                 tg3_writephy(tp, 0x16, 0x0002);
1735
1736                 for (i = 0; i < 6; i++)
1737                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1738                                      test_pat[chan][i]);
1739
1740                 tg3_writephy(tp, 0x16, 0x0202);
1741                 if (tg3_wait_macro_done(tp)) {
1742                         *resetp = 1;
1743                         return -EBUSY;
1744                 }
1745
1746                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1747                              (chan * 0x2000) | 0x0200);
1748                 tg3_writephy(tp, 0x16, 0x0082);
1749                 if (tg3_wait_macro_done(tp)) {
1750                         *resetp = 1;
1751                         return -EBUSY;
1752                 }
1753
1754                 tg3_writephy(tp, 0x16, 0x0802);
1755                 if (tg3_wait_macro_done(tp)) {
1756                         *resetp = 1;
1757                         return -EBUSY;
1758                 }
1759
1760                 for (i = 0; i < 6; i += 2) {
1761                         u32 low, high;
1762
1763                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1764                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1765                             tg3_wait_macro_done(tp)) {
1766                                 *resetp = 1;
1767                                 return -EBUSY;
1768                         }
1769                         low &= 0x7fff;
1770                         high &= 0x000f;
1771                         if (low != test_pat[chan][i] ||
1772                             high != test_pat[chan][i+1]) {
1773                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1774                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1775                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1776
1777                                 return -EBUSY;
1778                         }
1779                 }
1780         }
1781
1782         return 0;
1783 }
1784
1785 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1786 {
1787         int chan;
1788
1789         for (chan = 0; chan < 4; chan++) {
1790                 int i;
1791
1792                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1793                              (chan * 0x2000) | 0x0200);
1794                 tg3_writephy(tp, 0x16, 0x0002);
1795                 for (i = 0; i < 6; i++)
1796                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1797                 tg3_writephy(tp, 0x16, 0x0202);
1798                 if (tg3_wait_macro_done(tp))
1799                         return -EBUSY;
1800         }
1801
1802         return 0;
1803 }
1804
1805 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1806 {
1807         u32 reg32, phy9_orig;
1808         int retries, do_phy_reset, err;
1809
1810         retries = 10;
1811         do_phy_reset = 1;
1812         do {
1813                 if (do_phy_reset) {
1814                         err = tg3_bmcr_reset(tp);
1815                         if (err)
1816                                 return err;
1817                         do_phy_reset = 0;
1818                 }
1819
1820                 /* Disable transmitter and interrupt.  */
1821                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1822                         continue;
1823
1824                 reg32 |= 0x3000;
1825                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1826
1827                 /* Set full-duplex, 1000 mbps.  */
1828                 tg3_writephy(tp, MII_BMCR,
1829                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1830
1831                 /* Set to master mode.  */
1832                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1833                         continue;
1834
1835                 tg3_writephy(tp, MII_TG3_CTRL,
1836                              (MII_TG3_CTRL_AS_MASTER |
1837                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1838
1839                 /* Enable SM_DSP_CLOCK and 6dB.  */
1840                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1841
1842                 /* Block the PHY control access.  */
1843                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1844                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1845
1846                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1847                 if (!err)
1848                         break;
1849         } while (--retries);
1850
1851         err = tg3_phy_reset_chanpat(tp);
1852         if (err)
1853                 return err;
1854
1855         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1856         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1857
1858         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1859         tg3_writephy(tp, 0x16, 0x0000);
1860
1861         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1862             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1863                 /* Set Extended packet length bit for jumbo frames */
1864                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1865         }
1866         else {
1867                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1868         }
1869
1870         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1871
1872         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1873                 reg32 &= ~0x3000;
1874                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1875         } else if (!err)
1876                 err = -EBUSY;
1877
1878         return err;
1879 }
1880
1881 /* This will reset the tigon3 PHY if there is no valid
1882  * link unless the FORCE argument is non-zero.
1883  */
1884 static int tg3_phy_reset(struct tg3 *tp)
1885 {
1886         u32 cpmuctrl;
1887         u32 phy_status;
1888         int err;
1889
1890         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1891                 u32 val;
1892
1893                 val = tr32(GRC_MISC_CFG);
1894                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1895                 udelay(40);
1896         }
1897         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1898         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1899         if (err != 0)
1900                 return -EBUSY;
1901
1902         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1903                 netif_carrier_off(tp->dev);
1904                 tg3_link_report(tp);
1905         }
1906
1907         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1908             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1909             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1910                 err = tg3_phy_reset_5703_4_5(tp);
1911                 if (err)
1912                         return err;
1913                 goto out;
1914         }
1915
1916         cpmuctrl = 0;
1917         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1918             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1919                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1920                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1921                         tw32(TG3_CPMU_CTRL,
1922                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1923         }
1924
1925         err = tg3_bmcr_reset(tp);
1926         if (err)
1927                 return err;
1928
1929         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1930                 u32 phy;
1931
1932                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1933                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1934
1935                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1936         }
1937
1938         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1939             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1940                 u32 val;
1941
1942                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1943                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1944                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1945                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1946                         udelay(40);
1947                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1948                 }
1949         }
1950
1951         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1952             (tp->tg3_flags2 & TG3_FLG2_MII_SERDES))
1953                 return 0;
1954
1955         tg3_phy_apply_otp(tp);
1956
1957         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1958                 tg3_phy_toggle_apd(tp, true);
1959         else
1960                 tg3_phy_toggle_apd(tp, false);
1961
1962 out:
1963         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1964                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1965                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1966                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1967                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1968                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1969                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1970         }
1971         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1972                 tg3_writephy(tp, 0x1c, 0x8d68);
1973                 tg3_writephy(tp, 0x1c, 0x8d68);
1974         }
1975         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1976                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1977                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1978                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1979                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1980                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1981                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1982                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1983                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1984         }
1985         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1986                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1987                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1988                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1989                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1990                         tg3_writephy(tp, MII_TG3_TEST1,
1991                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1992                 } else
1993                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1994                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1995         }
1996         /* Set Extended packet length bit (bit 14) on all chips that */
1997         /* support jumbo frames */
1998         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1999                 /* Cannot do read-modify-write on 5401 */
2000                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2001         } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2002                 u32 phy_reg;
2003
2004                 /* Set bit 14 with read-modify-write to preserve other bits */
2005                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
2006                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
2007                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
2008         }
2009
2010         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2011          * jumbo frames transmission.
2012          */
2013         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2014                 u32 phy_reg;
2015
2016                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
2017                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
2018                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2019         }
2020
2021         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2022                 /* adjust output voltage */
2023                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2024         }
2025
2026         tg3_phy_toggle_automdix(tp, 1);
2027         tg3_phy_set_wirespeed(tp);
2028         return 0;
2029 }
2030
2031 static void tg3_frob_aux_power(struct tg3 *tp)
2032 {
2033         struct tg3 *tp_peer = tp;
2034
2035         /* The GPIOs do something completely different on 57765. */
2036         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
2037             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
2038                 return;
2039
2040         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2041             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2042             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2043                 struct net_device *dev_peer;
2044
2045                 dev_peer = pci_get_drvdata(tp->pdev_peer);
2046                 /* remove_one() may have been run on the peer. */
2047                 if (!dev_peer)
2048                         tp_peer = tp;
2049                 else
2050                         tp_peer = netdev_priv(dev_peer);
2051         }
2052
2053         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2054             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2055             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2056             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2057                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2058                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2059                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2060                                     (GRC_LCLCTRL_GPIO_OE0 |
2061                                      GRC_LCLCTRL_GPIO_OE1 |
2062                                      GRC_LCLCTRL_GPIO_OE2 |
2063                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
2064                                      GRC_LCLCTRL_GPIO_OUTPUT1),
2065                                     100);
2066                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2067                            tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2068                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2069                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2070                                              GRC_LCLCTRL_GPIO_OE1 |
2071                                              GRC_LCLCTRL_GPIO_OE2 |
2072                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
2073                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
2074                                              tp->grc_local_ctrl;
2075                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2076
2077                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2078                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2079
2080                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2081                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2082                 } else {
2083                         u32 no_gpio2;
2084                         u32 grc_local_ctrl = 0;
2085
2086                         if (tp_peer != tp &&
2087                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2088                                 return;
2089
2090                         /* Workaround to prevent overdrawing Amps. */
2091                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2092                             ASIC_REV_5714) {
2093                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2094                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2095                                             grc_local_ctrl, 100);
2096                         }
2097
2098                         /* On 5753 and variants, GPIO2 cannot be used. */
2099                         no_gpio2 = tp->nic_sram_data_cfg &
2100                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
2101
2102                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2103                                          GRC_LCLCTRL_GPIO_OE1 |
2104                                          GRC_LCLCTRL_GPIO_OE2 |
2105                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
2106                                          GRC_LCLCTRL_GPIO_OUTPUT2;
2107                         if (no_gpio2) {
2108                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2109                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
2110                         }
2111                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2112                                                     grc_local_ctrl, 100);
2113
2114                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2115
2116                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2117                                                     grc_local_ctrl, 100);
2118
2119                         if (!no_gpio2) {
2120                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2121                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2122                                             grc_local_ctrl, 100);
2123                         }
2124                 }
2125         } else {
2126                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2127                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2128                         if (tp_peer != tp &&
2129                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2130                                 return;
2131
2132                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2133                                     (GRC_LCLCTRL_GPIO_OE1 |
2134                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2135
2136                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2137                                     GRC_LCLCTRL_GPIO_OE1, 100);
2138
2139                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2140                                     (GRC_LCLCTRL_GPIO_OE1 |
2141                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2142                 }
2143         }
2144 }
2145
2146 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2147 {
2148         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2149                 return 1;
2150         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2151                 if (speed != SPEED_10)
2152                         return 1;
2153         } else if (speed == SPEED_10)
2154                 return 1;
2155
2156         return 0;
2157 }
2158
2159 static int tg3_setup_phy(struct tg3 *, int);
2160
2161 #define RESET_KIND_SHUTDOWN     0
2162 #define RESET_KIND_INIT         1
2163 #define RESET_KIND_SUSPEND      2
2164
2165 static void tg3_write_sig_post_reset(struct tg3 *, int);
2166 static int tg3_halt_cpu(struct tg3 *, u32);
2167
2168 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2169 {
2170         u32 val;
2171
2172         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2173                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2174                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2175                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2176
2177                         sg_dig_ctrl |=
2178                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2179                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2180                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2181                 }
2182                 return;
2183         }
2184
2185         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2186                 tg3_bmcr_reset(tp);
2187                 val = tr32(GRC_MISC_CFG);
2188                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2189                 udelay(40);
2190                 return;
2191         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2192                 u32 phytest;
2193                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2194                         u32 phy;
2195
2196                         tg3_writephy(tp, MII_ADVERTISE, 0);
2197                         tg3_writephy(tp, MII_BMCR,
2198                                      BMCR_ANENABLE | BMCR_ANRESTART);
2199
2200                         tg3_writephy(tp, MII_TG3_FET_TEST,
2201                                      phytest | MII_TG3_FET_SHADOW_EN);
2202                         if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2203                                 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2204                                 tg3_writephy(tp,
2205                                              MII_TG3_FET_SHDW_AUXMODE4,
2206                                              phy);
2207                         }
2208                         tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2209                 }
2210                 return;
2211         } else if (do_low_power) {
2212                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2213                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2214
2215                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2216                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2217                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2218                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2219                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2220         }
2221
2222         /* The PHY should not be powered down on some chips because
2223          * of bugs.
2224          */
2225         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2226             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2227             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2228              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2229                 return;
2230
2231         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2232             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2233                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2234                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2235                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2236                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2237         }
2238
2239         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2240 }
2241
2242 /* tp->lock is held. */
2243 static int tg3_nvram_lock(struct tg3 *tp)
2244 {
2245         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2246                 int i;
2247
2248                 if (tp->nvram_lock_cnt == 0) {
2249                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2250                         for (i = 0; i < 8000; i++) {
2251                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2252                                         break;
2253                                 udelay(20);
2254                         }
2255                         if (i == 8000) {
2256                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2257                                 return -ENODEV;
2258                         }
2259                 }
2260                 tp->nvram_lock_cnt++;
2261         }
2262         return 0;
2263 }
2264
2265 /* tp->lock is held. */
2266 static void tg3_nvram_unlock(struct tg3 *tp)
2267 {
2268         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2269                 if (tp->nvram_lock_cnt > 0)
2270                         tp->nvram_lock_cnt--;
2271                 if (tp->nvram_lock_cnt == 0)
2272                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2273         }
2274 }
2275
2276 /* tp->lock is held. */
2277 static void tg3_enable_nvram_access(struct tg3 *tp)
2278 {
2279         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2280             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2281                 u32 nvaccess = tr32(NVRAM_ACCESS);
2282
2283                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2284         }
2285 }
2286
2287 /* tp->lock is held. */
2288 static void tg3_disable_nvram_access(struct tg3 *tp)
2289 {
2290         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2291             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2292                 u32 nvaccess = tr32(NVRAM_ACCESS);
2293
2294                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2295         }
2296 }
2297
2298 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2299                                         u32 offset, u32 *val)
2300 {
2301         u32 tmp;
2302         int i;
2303
2304         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2305                 return -EINVAL;
2306
2307         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2308                                         EEPROM_ADDR_DEVID_MASK |
2309                                         EEPROM_ADDR_READ);
2310         tw32(GRC_EEPROM_ADDR,
2311              tmp |
2312              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2313              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2314               EEPROM_ADDR_ADDR_MASK) |
2315              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2316
2317         for (i = 0; i < 1000; i++) {
2318                 tmp = tr32(GRC_EEPROM_ADDR);
2319
2320                 if (tmp & EEPROM_ADDR_COMPLETE)
2321                         break;
2322                 msleep(1);
2323         }
2324         if (!(tmp & EEPROM_ADDR_COMPLETE))
2325                 return -EBUSY;
2326
2327         tmp = tr32(GRC_EEPROM_DATA);
2328
2329         /*
2330          * The data will always be opposite the native endian
2331          * format.  Perform a blind byteswap to compensate.
2332          */
2333         *val = swab32(tmp);
2334
2335         return 0;
2336 }
2337
2338 #define NVRAM_CMD_TIMEOUT 10000
2339
2340 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2341 {
2342         int i;
2343
2344         tw32(NVRAM_CMD, nvram_cmd);
2345         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2346                 udelay(10);
2347                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2348                         udelay(10);
2349                         break;
2350                 }
2351         }
2352
2353         if (i == NVRAM_CMD_TIMEOUT)
2354                 return -EBUSY;
2355
2356         return 0;
2357 }
2358
2359 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2360 {
2361         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2362             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2363             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2364            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2365             (tp->nvram_jedecnum == JEDEC_ATMEL))
2366
2367                 addr = ((addr / tp->nvram_pagesize) <<
2368                         ATMEL_AT45DB0X1B_PAGE_POS) +
2369                        (addr % tp->nvram_pagesize);
2370
2371         return addr;
2372 }
2373
2374 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2375 {
2376         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2377             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2378             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2379            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2380             (tp->nvram_jedecnum == JEDEC_ATMEL))
2381
2382                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2383                         tp->nvram_pagesize) +
2384                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2385
2386         return addr;
2387 }
2388
2389 /* NOTE: Data read in from NVRAM is byteswapped according to
2390  * the byteswapping settings for all other register accesses.
2391  * tg3 devices are BE devices, so on a BE machine, the data
2392  * returned will be exactly as it is seen in NVRAM.  On a LE
2393  * machine, the 32-bit value will be byteswapped.
2394  */
2395 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2396 {
2397         int ret;
2398
2399         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2400                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2401
2402         offset = tg3_nvram_phys_addr(tp, offset);
2403
2404         if (offset > NVRAM_ADDR_MSK)
2405                 return -EINVAL;
2406
2407         ret = tg3_nvram_lock(tp);
2408         if (ret)
2409                 return ret;
2410
2411         tg3_enable_nvram_access(tp);
2412
2413         tw32(NVRAM_ADDR, offset);
2414         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2415                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2416
2417         if (ret == 0)
2418                 *val = tr32(NVRAM_RDDATA);
2419
2420         tg3_disable_nvram_access(tp);
2421
2422         tg3_nvram_unlock(tp);
2423
2424         return ret;
2425 }
2426
2427 /* Ensures NVRAM data is in bytestream format. */
2428 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2429 {
2430         u32 v;
2431         int res = tg3_nvram_read(tp, offset, &v);
2432         if (!res)
2433                 *val = cpu_to_be32(v);
2434         return res;
2435 }
2436
2437 /* tp->lock is held. */
2438 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2439 {
2440         u32 addr_high, addr_low;
2441         int i;
2442
2443         addr_high = ((tp->dev->dev_addr[0] << 8) |
2444                      tp->dev->dev_addr[1]);
2445         addr_low = ((tp->dev->dev_addr[2] << 24) |
2446                     (tp->dev->dev_addr[3] << 16) |
2447                     (tp->dev->dev_addr[4] <<  8) |
2448                     (tp->dev->dev_addr[5] <<  0));
2449         for (i = 0; i < 4; i++) {
2450                 if (i == 1 && skip_mac_1)
2451                         continue;
2452                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2453                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2454         }
2455
2456         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2457             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2458                 for (i = 0; i < 12; i++) {
2459                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2460                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2461                 }
2462         }
2463
2464         addr_high = (tp->dev->dev_addr[0] +
2465                      tp->dev->dev_addr[1] +
2466                      tp->dev->dev_addr[2] +
2467                      tp->dev->dev_addr[3] +
2468                      tp->dev->dev_addr[4] +
2469                      tp->dev->dev_addr[5]) &
2470                 TX_BACKOFF_SEED_MASK;
2471         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2472 }
2473
2474 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2475 {
2476         u32 misc_host_ctrl;
2477         bool device_should_wake, do_low_power;
2478
2479         /* Make sure register accesses (indirect or otherwise)
2480          * will function correctly.
2481          */
2482         pci_write_config_dword(tp->pdev,
2483                                TG3PCI_MISC_HOST_CTRL,
2484                                tp->misc_host_ctrl);
2485
2486         switch (state) {
2487         case PCI_D0:
2488                 pci_enable_wake(tp->pdev, state, false);
2489                 pci_set_power_state(tp->pdev, PCI_D0);
2490
2491                 /* Switch out of Vaux if it is a NIC */
2492                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2493                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2494
2495                 return 0;
2496
2497         case PCI_D1:
2498         case PCI_D2:
2499         case PCI_D3hot:
2500                 break;
2501
2502         default:
2503                 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2504                         tp->dev->name, state);
2505                 return -EINVAL;
2506         }
2507
2508         /* Restore the CLKREQ setting. */
2509         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2510                 u16 lnkctl;
2511
2512                 pci_read_config_word(tp->pdev,
2513                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2514                                      &lnkctl);
2515                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2516                 pci_write_config_word(tp->pdev,
2517                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2518                                       lnkctl);
2519         }
2520
2521         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2522         tw32(TG3PCI_MISC_HOST_CTRL,
2523              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2524
2525         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2526                              device_may_wakeup(&tp->pdev->dev) &&
2527                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2528
2529         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2530                 do_low_power = false;
2531                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2532                     !tp->link_config.phy_is_low_power) {
2533                         struct phy_device *phydev;
2534                         u32 phyid, advertising;
2535
2536                         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2537
2538                         tp->link_config.phy_is_low_power = 1;
2539
2540                         tp->link_config.orig_speed = phydev->speed;
2541                         tp->link_config.orig_duplex = phydev->duplex;
2542                         tp->link_config.orig_autoneg = phydev->autoneg;
2543                         tp->link_config.orig_advertising = phydev->advertising;
2544
2545                         advertising = ADVERTISED_TP |
2546                                       ADVERTISED_Pause |
2547                                       ADVERTISED_Autoneg |
2548                                       ADVERTISED_10baseT_Half;
2549
2550                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2551                             device_should_wake) {
2552                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2553                                         advertising |=
2554                                                 ADVERTISED_100baseT_Half |
2555                                                 ADVERTISED_100baseT_Full |
2556                                                 ADVERTISED_10baseT_Full;
2557                                 else
2558                                         advertising |= ADVERTISED_10baseT_Full;
2559                         }
2560
2561                         phydev->advertising = advertising;
2562
2563                         phy_start_aneg(phydev);
2564
2565                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2566                         if (phyid != TG3_PHY_ID_BCMAC131) {
2567                                 phyid &= TG3_PHY_OUI_MASK;
2568                                 if (phyid == TG3_PHY_OUI_1 ||
2569                                     phyid == TG3_PHY_OUI_2 ||
2570                                     phyid == TG3_PHY_OUI_3)
2571                                         do_low_power = true;
2572                         }
2573                 }
2574         } else {
2575                 do_low_power = true;
2576
2577                 if (tp->link_config.phy_is_low_power == 0) {
2578                         tp->link_config.phy_is_low_power = 1;
2579                         tp->link_config.orig_speed = tp->link_config.speed;
2580                         tp->link_config.orig_duplex = tp->link_config.duplex;
2581                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2582                 }
2583
2584                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2585                         tp->link_config.speed = SPEED_10;
2586                         tp->link_config.duplex = DUPLEX_HALF;
2587                         tp->link_config.autoneg = AUTONEG_ENABLE;
2588                         tg3_setup_phy(tp, 0);
2589                 }
2590         }
2591
2592         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2593                 u32 val;
2594
2595                 val = tr32(GRC_VCPU_EXT_CTRL);
2596                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2597         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2598                 int i;
2599                 u32 val;
2600
2601                 for (i = 0; i < 200; i++) {
2602                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2603                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2604                                 break;
2605                         msleep(1);
2606                 }
2607         }
2608         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2609                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2610                                                      WOL_DRV_STATE_SHUTDOWN |
2611                                                      WOL_DRV_WOL |
2612                                                      WOL_SET_MAGIC_PKT);
2613
2614         if (device_should_wake) {
2615                 u32 mac_mode;
2616
2617                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2618                         if (do_low_power) {
2619                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2620                                 udelay(40);
2621                         }
2622
2623                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2624                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2625                         else
2626                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2627
2628                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2629                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2630                             ASIC_REV_5700) {
2631                                 u32 speed = (tp->tg3_flags &
2632                                              TG3_FLAG_WOL_SPEED_100MB) ?
2633                                              SPEED_100 : SPEED_10;
2634                                 if (tg3_5700_link_polarity(tp, speed))
2635                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2636                                 else
2637                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2638                         }
2639                 } else {
2640                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2641                 }
2642
2643                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2644                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2645
2646                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2647                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2648                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2649                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2650                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2651                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2652
2653                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2654                         mac_mode |= tp->mac_mode &
2655                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2656                         if (mac_mode & MAC_MODE_APE_TX_EN)
2657                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2658                 }
2659
2660                 tw32_f(MAC_MODE, mac_mode);
2661                 udelay(100);
2662
2663                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2664                 udelay(10);
2665         }
2666
2667         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2668             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2669              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2670                 u32 base_val;
2671
2672                 base_val = tp->pci_clock_ctrl;
2673                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2674                              CLOCK_CTRL_TXCLK_DISABLE);
2675
2676                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2677                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2678         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2679                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2680                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2681                 /* do nothing */
2682         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2683                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2684                 u32 newbits1, newbits2;
2685
2686                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2687                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2688                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2689                                     CLOCK_CTRL_TXCLK_DISABLE |
2690                                     CLOCK_CTRL_ALTCLK);
2691                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2692                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2693                         newbits1 = CLOCK_CTRL_625_CORE;
2694                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2695                 } else {
2696                         newbits1 = CLOCK_CTRL_ALTCLK;
2697                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2698                 }
2699
2700                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2701                             40);
2702
2703                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2704                             40);
2705
2706                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2707                         u32 newbits3;
2708
2709                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2710                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2711                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2712                                             CLOCK_CTRL_TXCLK_DISABLE |
2713                                             CLOCK_CTRL_44MHZ_CORE);
2714                         } else {
2715                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2716                         }
2717
2718                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2719                                     tp->pci_clock_ctrl | newbits3, 40);
2720                 }
2721         }
2722
2723         if (!(device_should_wake) &&
2724             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2725                 tg3_power_down_phy(tp, do_low_power);
2726
2727         tg3_frob_aux_power(tp);
2728
2729         /* Workaround for unstable PLL clock */
2730         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2731             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2732                 u32 val = tr32(0x7d00);
2733
2734                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2735                 tw32(0x7d00, val);
2736                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2737                         int err;
2738
2739                         err = tg3_nvram_lock(tp);
2740                         tg3_halt_cpu(tp, RX_CPU_BASE);
2741                         if (!err)
2742                                 tg3_nvram_unlock(tp);
2743                 }
2744         }
2745
2746         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2747
2748         if (device_should_wake)
2749                 pci_enable_wake(tp->pdev, state, true);
2750
2751         /* Finally, set the new power state. */
2752         pci_set_power_state(tp->pdev, state);
2753
2754         return 0;
2755 }
2756
2757 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2758 {
2759         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2760         case MII_TG3_AUX_STAT_10HALF:
2761                 *speed = SPEED_10;
2762                 *duplex = DUPLEX_HALF;
2763                 break;
2764
2765         case MII_TG3_AUX_STAT_10FULL:
2766                 *speed = SPEED_10;
2767                 *duplex = DUPLEX_FULL;
2768                 break;
2769
2770         case MII_TG3_AUX_STAT_100HALF:
2771                 *speed = SPEED_100;
2772                 *duplex = DUPLEX_HALF;
2773                 break;
2774
2775         case MII_TG3_AUX_STAT_100FULL:
2776                 *speed = SPEED_100;
2777                 *duplex = DUPLEX_FULL;
2778                 break;
2779
2780         case MII_TG3_AUX_STAT_1000HALF:
2781                 *speed = SPEED_1000;
2782                 *duplex = DUPLEX_HALF;
2783                 break;
2784
2785         case MII_TG3_AUX_STAT_1000FULL:
2786                 *speed = SPEED_1000;
2787                 *duplex = DUPLEX_FULL;
2788                 break;
2789
2790         default:
2791                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2792                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2793                                  SPEED_10;
2794                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2795                                   DUPLEX_HALF;
2796                         break;
2797                 }
2798                 *speed = SPEED_INVALID;
2799                 *duplex = DUPLEX_INVALID;
2800                 break;
2801         }
2802 }
2803
2804 static void tg3_phy_copper_begin(struct tg3 *tp)
2805 {
2806         u32 new_adv;
2807         int i;
2808
2809         if (tp->link_config.phy_is_low_power) {
2810                 /* Entering low power mode.  Disable gigabit and
2811                  * 100baseT advertisements.
2812                  */
2813                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2814
2815                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2816                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2817                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2818                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2819
2820                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2821         } else if (tp->link_config.speed == SPEED_INVALID) {
2822                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2823                         tp->link_config.advertising &=
2824                                 ~(ADVERTISED_1000baseT_Half |
2825                                   ADVERTISED_1000baseT_Full);
2826
2827                 new_adv = ADVERTISE_CSMA;
2828                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2829                         new_adv |= ADVERTISE_10HALF;
2830                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2831                         new_adv |= ADVERTISE_10FULL;
2832                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2833                         new_adv |= ADVERTISE_100HALF;
2834                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2835                         new_adv |= ADVERTISE_100FULL;
2836
2837                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2838
2839                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2840
2841                 if (tp->link_config.advertising &
2842                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2843                         new_adv = 0;
2844                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2845                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2846                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2847                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2848                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2849                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2850                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2851                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2852                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2853                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2854                 } else {
2855                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2856                 }
2857         } else {
2858                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2859                 new_adv |= ADVERTISE_CSMA;
2860
2861                 /* Asking for a specific link mode. */
2862                 if (tp->link_config.speed == SPEED_1000) {
2863                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2864
2865                         if (tp->link_config.duplex == DUPLEX_FULL)
2866                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2867                         else
2868                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2869                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2870                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2871                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2872                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2873                 } else {
2874                         if (tp->link_config.speed == SPEED_100) {
2875                                 if (tp->link_config.duplex == DUPLEX_FULL)
2876                                         new_adv |= ADVERTISE_100FULL;
2877                                 else
2878                                         new_adv |= ADVERTISE_100HALF;
2879                         } else {
2880                                 if (tp->link_config.duplex == DUPLEX_FULL)
2881                                         new_adv |= ADVERTISE_10FULL;
2882                                 else
2883                                         new_adv |= ADVERTISE_10HALF;
2884                         }
2885                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2886
2887                         new_adv = 0;
2888                 }
2889
2890                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2891         }
2892
2893         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2894             tp->link_config.speed != SPEED_INVALID) {
2895                 u32 bmcr, orig_bmcr;
2896
2897                 tp->link_config.active_speed = tp->link_config.speed;
2898                 tp->link_config.active_duplex = tp->link_config.duplex;
2899
2900                 bmcr = 0;
2901                 switch (tp->link_config.speed) {
2902                 default:
2903                 case SPEED_10:
2904                         break;
2905
2906                 case SPEED_100:
2907                         bmcr |= BMCR_SPEED100;
2908                         break;
2909
2910                 case SPEED_1000:
2911                         bmcr |= TG3_BMCR_SPEED1000;
2912                         break;
2913                 }
2914
2915                 if (tp->link_config.duplex == DUPLEX_FULL)
2916                         bmcr |= BMCR_FULLDPLX;
2917
2918                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2919                     (bmcr != orig_bmcr)) {
2920                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2921                         for (i = 0; i < 1500; i++) {
2922                                 u32 tmp;
2923
2924                                 udelay(10);
2925                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2926                                     tg3_readphy(tp, MII_BMSR, &tmp))
2927                                         continue;
2928                                 if (!(tmp & BMSR_LSTATUS)) {
2929                                         udelay(40);
2930                                         break;
2931                                 }
2932                         }
2933                         tg3_writephy(tp, MII_BMCR, bmcr);
2934                         udelay(40);
2935                 }
2936         } else {
2937                 tg3_writephy(tp, MII_BMCR,
2938                              BMCR_ANENABLE | BMCR_ANRESTART);
2939         }
2940 }
2941
2942 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2943 {
2944         int err;
2945
2946         /* Turn off tap power management. */
2947         /* Set Extended packet length bit */
2948         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2949
2950         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2951         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2952
2953         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2954         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2955
2956         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2957         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2958
2959         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2960         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2961
2962         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2963         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2964
2965         udelay(40);
2966
2967         return err;
2968 }
2969
2970 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2971 {
2972         u32 adv_reg, all_mask = 0;
2973
2974         if (mask & ADVERTISED_10baseT_Half)
2975                 all_mask |= ADVERTISE_10HALF;
2976         if (mask & ADVERTISED_10baseT_Full)
2977                 all_mask |= ADVERTISE_10FULL;
2978         if (mask & ADVERTISED_100baseT_Half)
2979                 all_mask |= ADVERTISE_100HALF;
2980         if (mask & ADVERTISED_100baseT_Full)
2981                 all_mask |= ADVERTISE_100FULL;
2982
2983         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2984                 return 0;
2985
2986         if ((adv_reg & all_mask) != all_mask)
2987                 return 0;
2988         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2989                 u32 tg3_ctrl;
2990
2991                 all_mask = 0;
2992                 if (mask & ADVERTISED_1000baseT_Half)
2993                         all_mask |= ADVERTISE_1000HALF;
2994                 if (mask & ADVERTISED_1000baseT_Full)
2995                         all_mask |= ADVERTISE_1000FULL;
2996
2997                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2998                         return 0;
2999
3000                 if ((tg3_ctrl & all_mask) != all_mask)
3001                         return 0;
3002         }
3003         return 1;
3004 }
3005
3006 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
3007 {
3008         u32 curadv, reqadv;
3009
3010         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
3011                 return 1;
3012
3013         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
3014         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
3015
3016         if (tp->link_config.active_duplex == DUPLEX_FULL) {
3017                 if (curadv != reqadv)
3018                         return 0;
3019
3020                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3021                         tg3_readphy(tp, MII_LPA, rmtadv);
3022         } else {
3023                 /* Reprogram the advertisement register, even if it
3024                  * does not affect the current link.  If the link
3025                  * gets renegotiated in the future, we can save an
3026                  * additional renegotiation cycle by advertising
3027                  * it correctly in the first place.
3028                  */
3029                 if (curadv != reqadv) {
3030                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3031                                      ADVERTISE_PAUSE_ASYM);
3032                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3033                 }
3034         }
3035
3036         return 1;
3037 }
3038
3039 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3040 {
3041         int current_link_up;
3042         u32 bmsr, dummy;
3043         u32 lcl_adv, rmt_adv;
3044         u16 current_speed;
3045         u8 current_duplex;
3046         int i, err;
3047
3048         tw32(MAC_EVENT, 0);
3049
3050         tw32_f(MAC_STATUS,
3051              (MAC_STATUS_SYNC_CHANGED |
3052               MAC_STATUS_CFG_CHANGED |
3053               MAC_STATUS_MI_COMPLETION |
3054               MAC_STATUS_LNKSTATE_CHANGED));
3055         udelay(40);
3056
3057         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3058                 tw32_f(MAC_MI_MODE,
3059                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3060                 udelay(80);
3061         }
3062
3063         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3064
3065         /* Some third-party PHYs need to be reset on link going
3066          * down.
3067          */
3068         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3069              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3070              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3071             netif_carrier_ok(tp->dev)) {
3072                 tg3_readphy(tp, MII_BMSR, &bmsr);
3073                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3074                     !(bmsr & BMSR_LSTATUS))
3075                         force_reset = 1;
3076         }
3077         if (force_reset)
3078                 tg3_phy_reset(tp);
3079
3080         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
3081                 tg3_readphy(tp, MII_BMSR, &bmsr);
3082                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3083                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3084                         bmsr = 0;
3085
3086                 if (!(bmsr & BMSR_LSTATUS)) {
3087                         err = tg3_init_5401phy_dsp(tp);
3088                         if (err)
3089                                 return err;
3090
3091                         tg3_readphy(tp, MII_BMSR, &bmsr);
3092                         for (i = 0; i < 1000; i++) {
3093                                 udelay(10);
3094                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3095                                     (bmsr & BMSR_LSTATUS)) {
3096                                         udelay(40);
3097                                         break;
3098                                 }
3099                         }
3100
3101                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
3102                             !(bmsr & BMSR_LSTATUS) &&
3103                             tp->link_config.active_speed == SPEED_1000) {
3104                                 err = tg3_phy_reset(tp);
3105                                 if (!err)
3106                                         err = tg3_init_5401phy_dsp(tp);
3107                                 if (err)
3108                                         return err;
3109                         }
3110                 }
3111         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3112                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3113                 /* 5701 {A0,B0} CRC bug workaround */
3114                 tg3_writephy(tp, 0x15, 0x0a75);
3115                 tg3_writephy(tp, 0x1c, 0x8c68);
3116                 tg3_writephy(tp, 0x1c, 0x8d68);
3117                 tg3_writephy(tp, 0x1c, 0x8c68);
3118         }
3119
3120         /* Clear pending interrupts... */
3121         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3122         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3123
3124         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3125                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3126         else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
3127                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3128
3129         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3130             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3131                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3132                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
3133                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3134                 else
3135                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3136         }
3137
3138         current_link_up = 0;
3139         current_speed = SPEED_INVALID;
3140         current_duplex = DUPLEX_INVALID;
3141
3142         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3143                 u32 val;
3144
3145                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3146                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3147                 if (!(val & (1 << 10))) {
3148                         val |= (1 << 10);
3149                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3150                         goto relink;
3151                 }
3152         }
3153
3154         bmsr = 0;
3155         for (i = 0; i < 100; i++) {
3156                 tg3_readphy(tp, MII_BMSR, &bmsr);
3157                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3158                     (bmsr & BMSR_LSTATUS))
3159                         break;
3160                 udelay(40);
3161         }
3162
3163         if (bmsr & BMSR_LSTATUS) {
3164                 u32 aux_stat, bmcr;
3165
3166                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3167                 for (i = 0; i < 2000; i++) {
3168                         udelay(10);
3169                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3170                             aux_stat)
3171                                 break;
3172                 }
3173
3174                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3175                                              &current_speed,
3176                                              &current_duplex);
3177
3178                 bmcr = 0;
3179                 for (i = 0; i < 200; i++) {
3180                         tg3_readphy(tp, MII_BMCR, &bmcr);
3181                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3182                                 continue;
3183                         if (bmcr && bmcr != 0x7fff)
3184                                 break;
3185                         udelay(10);
3186                 }
3187
3188                 lcl_adv = 0;
3189                 rmt_adv = 0;
3190
3191                 tp->link_config.active_speed = current_speed;
3192                 tp->link_config.active_duplex = current_duplex;
3193
3194                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3195                         if ((bmcr & BMCR_ANENABLE) &&
3196                             tg3_copper_is_advertising_all(tp,
3197                                                 tp->link_config.advertising)) {
3198                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3199                                                                   &rmt_adv))
3200                                         current_link_up = 1;
3201                         }
3202                 } else {
3203                         if (!(bmcr & BMCR_ANENABLE) &&
3204                             tp->link_config.speed == current_speed &&
3205                             tp->link_config.duplex == current_duplex &&
3206                             tp->link_config.flowctrl ==
3207                             tp->link_config.active_flowctrl) {
3208                                 current_link_up = 1;
3209                         }
3210                 }
3211
3212                 if (current_link_up == 1 &&
3213                     tp->link_config.active_duplex == DUPLEX_FULL)
3214                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3215         }
3216
3217 relink:
3218         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3219                 u32 tmp;
3220
3221                 tg3_phy_copper_begin(tp);
3222
3223                 tg3_readphy(tp, MII_BMSR, &tmp);
3224                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3225                     (tmp & BMSR_LSTATUS))
3226                         current_link_up = 1;
3227         }
3228
3229         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3230         if (current_link_up == 1) {
3231                 if (tp->link_config.active_speed == SPEED_100 ||
3232                     tp->link_config.active_speed == SPEED_10)
3233                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3234                 else
3235                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3236         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3237                 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3238         else
3239                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3240
3241         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3242         if (tp->link_config.active_duplex == DUPLEX_HALF)
3243                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3244
3245         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3246                 if (current_link_up == 1 &&
3247                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3248                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3249                 else
3250                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3251         }
3252
3253         /* ??? Without this setting Netgear GA302T PHY does not
3254          * ??? send/receive packets...
3255          */
3256         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3257             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3258                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3259                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3260                 udelay(80);
3261         }
3262
3263         tw32_f(MAC_MODE, tp->mac_mode);
3264         udelay(40);
3265
3266         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3267                 /* Polled via timer. */
3268                 tw32_f(MAC_EVENT, 0);
3269         } else {
3270                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3271         }
3272         udelay(40);
3273
3274         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3275             current_link_up == 1 &&
3276             tp->link_config.active_speed == SPEED_1000 &&
3277             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3278              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3279                 udelay(120);
3280                 tw32_f(MAC_STATUS,
3281                      (MAC_STATUS_SYNC_CHANGED |
3282                       MAC_STATUS_CFG_CHANGED));
3283                 udelay(40);
3284                 tg3_write_mem(tp,
3285                               NIC_SRAM_FIRMWARE_MBOX,
3286                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3287         }
3288
3289         /* Prevent send BD corruption. */
3290         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3291                 u16 oldlnkctl, newlnkctl;
3292
3293                 pci_read_config_word(tp->pdev,
3294                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3295                                      &oldlnkctl);
3296                 if (tp->link_config.active_speed == SPEED_100 ||
3297                     tp->link_config.active_speed == SPEED_10)
3298                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3299                 else
3300                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3301                 if (newlnkctl != oldlnkctl)
3302                         pci_write_config_word(tp->pdev,
3303                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3304                                               newlnkctl);
3305         }
3306
3307         if (current_link_up != netif_carrier_ok(tp->dev)) {
3308                 if (current_link_up)
3309                         netif_carrier_on(tp->dev);
3310                 else
3311                         netif_carrier_off(tp->dev);
3312                 tg3_link_report(tp);
3313         }
3314
3315         return 0;
3316 }
3317
3318 struct tg3_fiber_aneginfo {
3319         int state;
3320 #define ANEG_STATE_UNKNOWN              0
3321 #define ANEG_STATE_AN_ENABLE            1
3322 #define ANEG_STATE_RESTART_INIT         2
3323 #define ANEG_STATE_RESTART              3
3324 #define ANEG_STATE_DISABLE_LINK_OK      4
3325 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3326 #define ANEG_STATE_ABILITY_DETECT       6
3327 #define ANEG_STATE_ACK_DETECT_INIT      7
3328 #define ANEG_STATE_ACK_DETECT           8
3329 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3330 #define ANEG_STATE_COMPLETE_ACK         10
3331 #define ANEG_STATE_IDLE_DETECT_INIT     11
3332 #define ANEG_STATE_IDLE_DETECT          12
3333 #define ANEG_STATE_LINK_OK              13
3334 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3335 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3336
3337         u32 flags;
3338 #define MR_AN_ENABLE            0x00000001
3339 #define MR_RESTART_AN           0x00000002
3340 #define MR_AN_COMPLETE          0x00000004
3341 #define MR_PAGE_RX              0x00000008
3342 #define MR_NP_LOADED            0x00000010
3343 #define MR_TOGGLE_TX            0x00000020
3344 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3345 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3346 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3347 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3348 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3349 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3350 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3351 #define MR_TOGGLE_RX            0x00002000
3352 #define MR_NP_RX                0x00004000
3353
3354 #define MR_LINK_OK              0x80000000
3355
3356         unsigned long link_time, cur_time;
3357
3358         u32 ability_match_cfg;
3359         int ability_match_count;
3360
3361         char ability_match, idle_match, ack_match;
3362
3363         u32 txconfig, rxconfig;
3364 #define ANEG_CFG_NP             0x00000080
3365 #define ANEG_CFG_ACK            0x00000040
3366 #define ANEG_CFG_RF2            0x00000020
3367 #define ANEG_CFG_RF1            0x00000010
3368 #define ANEG_CFG_PS2            0x00000001
3369 #define ANEG_CFG_PS1            0x00008000
3370 #define ANEG_CFG_HD             0x00004000
3371 #define ANEG_CFG_FD             0x00002000
3372 #define ANEG_CFG_INVAL          0x00001f06
3373
3374 };
3375 #define ANEG_OK         0
3376 #define ANEG_DONE       1
3377 #define ANEG_TIMER_ENAB 2
3378 #define ANEG_FAILED     -1
3379
3380 #define ANEG_STATE_SETTLE_TIME  10000
3381
3382 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3383                                    struct tg3_fiber_aneginfo *ap)
3384 {
3385         u16 flowctrl;
3386         unsigned long delta;
3387         u32 rx_cfg_reg;
3388         int ret;
3389
3390         if (ap->state == ANEG_STATE_UNKNOWN) {
3391                 ap->rxconfig = 0;
3392                 ap->link_time = 0;
3393                 ap->cur_time = 0;
3394                 ap->ability_match_cfg = 0;
3395                 ap->ability_match_count = 0;
3396                 ap->ability_match = 0;
3397                 ap->idle_match = 0;
3398                 ap->ack_match = 0;
3399         }
3400         ap->cur_time++;
3401
3402         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3403                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3404
3405                 if (rx_cfg_reg != ap->ability_match_cfg) {
3406                         ap->ability_match_cfg = rx_cfg_reg;
3407                         ap->ability_match = 0;
3408                         ap->ability_match_count = 0;
3409                 } else {
3410                         if (++ap->ability_match_count > 1) {
3411                                 ap->ability_match = 1;
3412                                 ap->ability_match_cfg = rx_cfg_reg;
3413                         }
3414                 }
3415                 if (rx_cfg_reg & ANEG_CFG_ACK)
3416                         ap->ack_match = 1;
3417                 else
3418                         ap->ack_match = 0;
3419
3420                 ap->idle_match = 0;
3421         } else {
3422                 ap->idle_match = 1;
3423                 ap->ability_match_cfg = 0;
3424                 ap->ability_match_count = 0;
3425                 ap->ability_match = 0;
3426                 ap->ack_match = 0;
3427
3428                 rx_cfg_reg = 0;
3429         }
3430
3431         ap->rxconfig = rx_cfg_reg;
3432         ret = ANEG_OK;
3433
3434         switch(ap->state) {
3435         case ANEG_STATE_UNKNOWN:
3436                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3437                         ap->state = ANEG_STATE_AN_ENABLE;
3438
3439                 /* fallthru */
3440         case ANEG_STATE_AN_ENABLE:
3441                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3442                 if (ap->flags & MR_AN_ENABLE) {
3443                         ap->link_time = 0;
3444                         ap->cur_time = 0;
3445                         ap->ability_match_cfg = 0;
3446                         ap->ability_match_count = 0;
3447                         ap->ability_match = 0;
3448                         ap->idle_match = 0;
3449                         ap->ack_match = 0;
3450
3451                         ap->state = ANEG_STATE_RESTART_INIT;
3452                 } else {
3453                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3454                 }
3455                 break;
3456
3457         case ANEG_STATE_RESTART_INIT:
3458                 ap->link_time = ap->cur_time;
3459                 ap->flags &= ~(MR_NP_LOADED);
3460                 ap->txconfig = 0;
3461                 tw32(MAC_TX_AUTO_NEG, 0);
3462                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3463                 tw32_f(MAC_MODE, tp->mac_mode);
3464                 udelay(40);
3465
3466                 ret = ANEG_TIMER_ENAB;
3467                 ap->state = ANEG_STATE_RESTART;
3468
3469                 /* fallthru */
3470         case ANEG_STATE_RESTART:
3471                 delta = ap->cur_time - ap->link_time;
3472                 if (delta > ANEG_STATE_SETTLE_TIME) {
3473                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3474                 } else {
3475                         ret = ANEG_TIMER_ENAB;
3476                 }
3477                 break;
3478
3479         case ANEG_STATE_DISABLE_LINK_OK:
3480                 ret = ANEG_DONE;
3481                 break;
3482
3483         case ANEG_STATE_ABILITY_DETECT_INIT:
3484                 ap->flags &= ~(MR_TOGGLE_TX);
3485                 ap->txconfig = ANEG_CFG_FD;
3486                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3487                 if (flowctrl & ADVERTISE_1000XPAUSE)
3488                         ap->txconfig |= ANEG_CFG_PS1;
3489                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3490                         ap->txconfig |= ANEG_CFG_PS2;
3491                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3492                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3493                 tw32_f(MAC_MODE, tp->mac_mode);
3494                 udelay(40);
3495
3496                 ap->state = ANEG_STATE_ABILITY_DETECT;
3497                 break;
3498
3499         case ANEG_STATE_ABILITY_DETECT:
3500                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3501                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3502                 }
3503                 break;
3504
3505         case ANEG_STATE_ACK_DETECT_INIT:
3506                 ap->txconfig |= ANEG_CFG_ACK;
3507                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3508                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3509                 tw32_f(MAC_MODE, tp->mac_mode);
3510                 udelay(40);
3511
3512                 ap->state = ANEG_STATE_ACK_DETECT;
3513
3514                 /* fallthru */
3515         case ANEG_STATE_ACK_DETECT:
3516                 if (ap->ack_match != 0) {
3517                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3518                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3519                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3520                         } else {
3521                                 ap->state = ANEG_STATE_AN_ENABLE;
3522                         }
3523                 } else if (ap->ability_match != 0 &&
3524                            ap->rxconfig == 0) {
3525                         ap->state = ANEG_STATE_AN_ENABLE;
3526                 }
3527                 break;
3528
3529         case ANEG_STATE_COMPLETE_ACK_INIT:
3530                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3531                         ret = ANEG_FAILED;
3532                         break;
3533                 }
3534                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3535                                MR_LP_ADV_HALF_DUPLEX |
3536                                MR_LP_ADV_SYM_PAUSE |
3537                                MR_LP_ADV_ASYM_PAUSE |
3538                                MR_LP_ADV_REMOTE_FAULT1 |
3539                                MR_LP_ADV_REMOTE_FAULT2 |
3540                                MR_LP_ADV_NEXT_PAGE |
3541                                MR_TOGGLE_RX |
3542                                MR_NP_RX);
3543                 if (ap->rxconfig & ANEG_CFG_FD)
3544                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3545                 if (ap->rxconfig & ANEG_CFG_HD)
3546                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3547                 if (ap->rxconfig & ANEG_CFG_PS1)
3548                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3549                 if (ap->rxconfig & ANEG_CFG_PS2)
3550                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3551                 if (ap->rxconfig & ANEG_CFG_RF1)
3552                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3553                 if (ap->rxconfig & ANEG_CFG_RF2)
3554                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3555                 if (ap->rxconfig & ANEG_CFG_NP)
3556                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3557
3558                 ap->link_time = ap->cur_time;
3559
3560                 ap->flags ^= (MR_TOGGLE_TX);
3561                 if (ap->rxconfig & 0x0008)
3562                         ap->flags |= MR_TOGGLE_RX;
3563                 if (ap->rxconfig & ANEG_CFG_NP)
3564                         ap->flags |= MR_NP_RX;
3565                 ap->flags |= MR_PAGE_RX;
3566
3567                 ap->state = ANEG_STATE_COMPLETE_ACK;
3568                 ret = ANEG_TIMER_ENAB;
3569                 break;
3570
3571         case ANEG_STATE_COMPLETE_ACK:
3572                 if (ap->ability_match != 0 &&
3573                     ap->rxconfig == 0) {
3574                         ap->state = ANEG_STATE_AN_ENABLE;
3575                         break;
3576                 }
3577                 delta = ap->cur_time - ap->link_time;
3578                 if (delta > ANEG_STATE_SETTLE_TIME) {
3579                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3580                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3581                         } else {
3582                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3583                                     !(ap->flags & MR_NP_RX)) {
3584                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3585                                 } else {
3586                                         ret = ANEG_FAILED;
3587                                 }
3588                         }
3589                 }
3590                 break;
3591
3592         case ANEG_STATE_IDLE_DETECT_INIT:
3593                 ap->link_time = ap->cur_time;
3594                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3595                 tw32_f(MAC_MODE, tp->mac_mode);
3596                 udelay(40);
3597
3598                 ap->state = ANEG_STATE_IDLE_DETECT;
3599                 ret = ANEG_TIMER_ENAB;
3600                 break;
3601
3602         case ANEG_STATE_IDLE_DETECT:
3603                 if (ap->ability_match != 0 &&
3604                     ap->rxconfig == 0) {
3605                         ap->state = ANEG_STATE_AN_ENABLE;
3606                         break;
3607                 }
3608                 delta = ap->cur_time - ap->link_time;
3609                 if (delta > ANEG_STATE_SETTLE_TIME) {
3610                         /* XXX another gem from the Broadcom driver :( */
3611                         ap->state = ANEG_STATE_LINK_OK;
3612                 }
3613                 break;
3614
3615         case ANEG_STATE_LINK_OK:
3616                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3617                 ret = ANEG_DONE;
3618                 break;
3619
3620         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3621                 /* ??? unimplemented */
3622                 break;
3623
3624         case ANEG_STATE_NEXT_PAGE_WAIT:
3625                 /* ??? unimplemented */
3626                 break;
3627
3628         default:
3629                 ret = ANEG_FAILED;
3630                 break;
3631         }
3632
3633         return ret;
3634 }
3635
3636 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3637 {
3638         int res = 0;
3639         struct tg3_fiber_aneginfo aninfo;
3640         int status = ANEG_FAILED;
3641         unsigned int tick;
3642         u32 tmp;
3643
3644         tw32_f(MAC_TX_AUTO_NEG, 0);
3645
3646         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3647         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3648         udelay(40);
3649
3650         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3651         udelay(40);
3652
3653         memset(&aninfo, 0, sizeof(aninfo));
3654         aninfo.flags |= MR_AN_ENABLE;
3655         aninfo.state = ANEG_STATE_UNKNOWN;
3656         aninfo.cur_time = 0;
3657         tick = 0;
3658         while (++tick < 195000) {
3659                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3660                 if (status == ANEG_DONE || status == ANEG_FAILED)
3661                         break;
3662
3663                 udelay(1);
3664         }
3665
3666         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3667         tw32_f(MAC_MODE, tp->mac_mode);
3668         udelay(40);
3669
3670         *txflags = aninfo.txconfig;
3671         *rxflags = aninfo.flags;
3672
3673         if (status == ANEG_DONE &&
3674             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3675                              MR_LP_ADV_FULL_DUPLEX)))
3676                 res = 1;
3677
3678         return res;
3679 }
3680
3681 static void tg3_init_bcm8002(struct tg3 *tp)
3682 {
3683         u32 mac_status = tr32(MAC_STATUS);
3684         int i;
3685
3686         /* Reset when initting first time or we have a link. */
3687         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3688             !(mac_status & MAC_STATUS_PCS_SYNCED))
3689                 return;
3690
3691         /* Set PLL lock range. */
3692         tg3_writephy(tp, 0x16, 0x8007);
3693
3694         /* SW reset */
3695         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3696
3697         /* Wait for reset to complete. */
3698         /* XXX schedule_timeout() ... */
3699         for (i = 0; i < 500; i++)
3700                 udelay(10);
3701
3702         /* Config mode; select PMA/Ch 1 regs. */
3703         tg3_writephy(tp, 0x10, 0x8411);
3704
3705         /* Enable auto-lock and comdet, select txclk for tx. */
3706         tg3_writephy(tp, 0x11, 0x0a10);
3707
3708         tg3_writephy(tp, 0x18, 0x00a0);
3709         tg3_writephy(tp, 0x16, 0x41ff);
3710
3711         /* Assert and deassert POR. */
3712         tg3_writephy(tp, 0x13, 0x0400);
3713         udelay(40);
3714         tg3_writephy(tp, 0x13, 0x0000);
3715
3716         tg3_writephy(tp, 0x11, 0x0a50);
3717         udelay(40);
3718         tg3_writephy(tp, 0x11, 0x0a10);
3719
3720         /* Wait for signal to stabilize */
3721         /* XXX schedule_timeout() ... */
3722         for (i = 0; i < 15000; i++)
3723                 udelay(10);
3724
3725         /* Deselect the channel register so we can read the PHYID
3726          * later.
3727          */
3728         tg3_writephy(tp, 0x10, 0x8011);
3729 }
3730
3731 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3732 {
3733         u16 flowctrl;
3734         u32 sg_dig_ctrl, sg_dig_status;
3735         u32 serdes_cfg, expected_sg_dig_ctrl;
3736         int workaround, port_a;
3737         int current_link_up;
3738
3739         serdes_cfg = 0;
3740         expected_sg_dig_ctrl = 0;
3741         workaround = 0;
3742         port_a = 1;
3743         current_link_up = 0;
3744
3745         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3746             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3747                 workaround = 1;
3748                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3749                         port_a = 0;
3750
3751                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3752                 /* preserve bits 20-23 for voltage regulator */
3753                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3754         }
3755
3756         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3757
3758         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3759                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3760                         if (workaround) {
3761                                 u32 val = serdes_cfg;
3762
3763                                 if (port_a)
3764                                         val |= 0xc010000;
3765                                 else
3766                                         val |= 0x4010000;
3767                                 tw32_f(MAC_SERDES_CFG, val);
3768                         }
3769
3770                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3771                 }
3772                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3773                         tg3_setup_flow_control(tp, 0, 0);
3774                         current_link_up = 1;
3775                 }
3776                 goto out;
3777         }
3778
3779         /* Want auto-negotiation.  */
3780         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3781
3782         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3783         if (flowctrl & ADVERTISE_1000XPAUSE)
3784                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3785         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3786                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3787
3788         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3789                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3790                     tp->serdes_counter &&
3791                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3792                                     MAC_STATUS_RCVD_CFG)) ==
3793                      MAC_STATUS_PCS_SYNCED)) {
3794                         tp->serdes_counter--;
3795                         current_link_up = 1;
3796                         goto out;
3797                 }
3798 restart_autoneg:
3799                 if (workaround)
3800                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3801                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3802                 udelay(5);
3803                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3804
3805                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3806                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3807         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3808                                  MAC_STATUS_SIGNAL_DET)) {
3809                 sg_dig_status = tr32(SG_DIG_STATUS);
3810                 mac_status = tr32(MAC_STATUS);
3811
3812                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3813                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3814                         u32 local_adv = 0, remote_adv = 0;
3815
3816                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3817                                 local_adv |= ADVERTISE_1000XPAUSE;
3818                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3819                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3820
3821                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3822                                 remote_adv |= LPA_1000XPAUSE;
3823                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3824                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3825
3826                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3827                         current_link_up = 1;
3828                         tp->serdes_counter = 0;
3829                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3830                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3831                         if (tp->serdes_counter)
3832                                 tp->serdes_counter--;
3833                         else {
3834                                 if (workaround) {
3835                                         u32 val = serdes_cfg;
3836
3837                                         if (port_a)
3838                                                 val |= 0xc010000;
3839                                         else
3840                                                 val |= 0x4010000;
3841
3842                                         tw32_f(MAC_SERDES_CFG, val);
3843                                 }
3844
3845                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3846                                 udelay(40);
3847
3848                                 /* Link parallel detection - link is up */
3849                                 /* only if we have PCS_SYNC and not */
3850                                 /* receiving config code words */
3851                                 mac_status = tr32(MAC_STATUS);
3852                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3853                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3854                                         tg3_setup_flow_control(tp, 0, 0);
3855                                         current_link_up = 1;
3856                                         tp->tg3_flags2 |=
3857                                                 TG3_FLG2_PARALLEL_DETECT;
3858                                         tp->serdes_counter =
3859                                                 SERDES_PARALLEL_DET_TIMEOUT;
3860                                 } else
3861                                         goto restart_autoneg;
3862                         }
3863                 }
3864         } else {
3865                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3866                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3867         }
3868
3869 out:
3870         return current_link_up;
3871 }
3872
3873 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3874 {
3875         int current_link_up = 0;
3876
3877         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3878                 goto out;
3879
3880         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3881                 u32 txflags, rxflags;
3882                 int i;
3883
3884                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3885                         u32 local_adv = 0, remote_adv = 0;
3886
3887                         if (txflags & ANEG_CFG_PS1)
3888                                 local_adv |= ADVERTISE_1000XPAUSE;
3889                         if (txflags & ANEG_CFG_PS2)
3890                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3891
3892                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3893                                 remote_adv |= LPA_1000XPAUSE;
3894                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3895                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3896
3897                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3898
3899                         current_link_up = 1;
3900                 }
3901                 for (i = 0; i < 30; i++) {
3902                         udelay(20);
3903                         tw32_f(MAC_STATUS,
3904                                (MAC_STATUS_SYNC_CHANGED |
3905                                 MAC_STATUS_CFG_CHANGED));
3906                         udelay(40);
3907                         if ((tr32(MAC_STATUS) &
3908                              (MAC_STATUS_SYNC_CHANGED |
3909                               MAC_STATUS_CFG_CHANGED)) == 0)
3910                                 break;
3911                 }
3912
3913                 mac_status = tr32(MAC_STATUS);
3914                 if (current_link_up == 0 &&
3915                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3916                     !(mac_status & MAC_STATUS_RCVD_CFG))
3917                         current_link_up = 1;
3918         } else {
3919                 tg3_setup_flow_control(tp, 0, 0);
3920
3921                 /* Forcing 1000FD link up. */
3922                 current_link_up = 1;
3923
3924                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3925                 udelay(40);
3926
3927                 tw32_f(MAC_MODE, tp->mac_mode);
3928                 udelay(40);
3929         }
3930
3931 out:
3932         return current_link_up;
3933 }
3934
3935 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3936 {
3937         u32 orig_pause_cfg;
3938         u16 orig_active_speed;
3939         u8 orig_active_duplex;
3940         u32 mac_status;
3941         int current_link_up;
3942         int i;
3943
3944         orig_pause_cfg = tp->link_config.active_flowctrl;
3945         orig_active_speed = tp->link_config.active_speed;
3946         orig_active_duplex = tp->link_config.active_duplex;
3947
3948         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3949             netif_carrier_ok(tp->dev) &&
3950             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3951                 mac_status = tr32(MAC_STATUS);
3952                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3953                                MAC_STATUS_SIGNAL_DET |
3954                                MAC_STATUS_CFG_CHANGED |
3955                                MAC_STATUS_RCVD_CFG);
3956                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3957                                    MAC_STATUS_SIGNAL_DET)) {
3958                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3959                                             MAC_STATUS_CFG_CHANGED));
3960                         return 0;
3961                 }
3962         }
3963
3964         tw32_f(MAC_TX_AUTO_NEG, 0);
3965
3966         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3967         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3968         tw32_f(MAC_MODE, tp->mac_mode);
3969         udelay(40);
3970
3971         if (tp->phy_id == PHY_ID_BCM8002)
3972                 tg3_init_bcm8002(tp);
3973
3974         /* Enable link change event even when serdes polling.  */
3975         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3976         udelay(40);
3977
3978         current_link_up = 0;
3979         mac_status = tr32(MAC_STATUS);
3980
3981         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3982                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3983         else
3984                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3985
3986         tp->napi[0].hw_status->status =
3987                 (SD_STATUS_UPDATED |
3988                  (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
3989
3990         for (i = 0; i < 100; i++) {
3991                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3992                                     MAC_STATUS_CFG_CHANGED));
3993                 udelay(5);
3994                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3995                                          MAC_STATUS_CFG_CHANGED |
3996                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3997                         break;
3998         }
3999
4000         mac_status = tr32(MAC_STATUS);
4001         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
4002                 current_link_up = 0;
4003                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
4004                     tp->serdes_counter == 0) {
4005                         tw32_f(MAC_MODE, (tp->mac_mode |
4006                                           MAC_MODE_SEND_CONFIGS));
4007                         udelay(1);
4008                         tw32_f(MAC_MODE, tp->mac_mode);
4009                 }
4010         }
4011
4012         if (current_link_up == 1) {
4013                 tp->link_config.active_speed = SPEED_1000;
4014                 tp->link_config.active_duplex = DUPLEX_FULL;
4015                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4016                                     LED_CTRL_LNKLED_OVERRIDE |
4017                                     LED_CTRL_1000MBPS_ON));
4018         } else {
4019                 tp->link_config.active_speed = SPEED_INVALID;
4020                 tp->link_config.active_duplex = DUPLEX_INVALID;
4021                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4022                                     LED_CTRL_LNKLED_OVERRIDE |
4023                                     LED_CTRL_TRAFFIC_OVERRIDE));
4024         }
4025
4026         if (current_link_up != netif_carrier_ok(tp->dev)) {
4027                 if (current_link_up)
4028                         netif_carrier_on(tp->dev);
4029                 else
4030                         netif_carrier_off(tp->dev);
4031                 tg3_link_report(tp);
4032         } else {
4033                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4034                 if (orig_pause_cfg != now_pause_cfg ||
4035                     orig_active_speed != tp->link_config.active_speed ||
4036                     orig_active_duplex != tp->link_config.active_duplex)
4037                         tg3_link_report(tp);
4038         }
4039
4040         return 0;
4041 }
4042
4043 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4044 {
4045         int current_link_up, err = 0;
4046         u32 bmsr, bmcr;
4047         u16 current_speed;
4048         u8 current_duplex;
4049         u32 local_adv, remote_adv;
4050
4051         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4052         tw32_f(MAC_MODE, tp->mac_mode);
4053         udelay(40);
4054
4055         tw32(MAC_EVENT, 0);
4056
4057         tw32_f(MAC_STATUS,
4058              (MAC_STATUS_SYNC_CHANGED |
4059               MAC_STATUS_CFG_CHANGED |
4060               MAC_STATUS_MI_COMPLETION |
4061               MAC_STATUS_LNKSTATE_CHANGED));
4062         udelay(40);
4063
4064         if (force_reset)
4065                 tg3_phy_reset(tp);
4066
4067         current_link_up = 0;
4068         current_speed = SPEED_INVALID;
4069         current_duplex = DUPLEX_INVALID;
4070
4071         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4072         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4073         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4074                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4075                         bmsr |= BMSR_LSTATUS;
4076                 else
4077                         bmsr &= ~BMSR_LSTATUS;
4078         }
4079
4080         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4081
4082         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4083             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4084                 /* do nothing, just check for link up at the end */
4085         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4086                 u32 adv, new_adv;
4087
4088                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4089                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4090                                   ADVERTISE_1000XPAUSE |
4091                                   ADVERTISE_1000XPSE_ASYM |
4092                                   ADVERTISE_SLCT);
4093
4094                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4095
4096                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4097                         new_adv |= ADVERTISE_1000XHALF;
4098                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4099                         new_adv |= ADVERTISE_1000XFULL;
4100
4101                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4102                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
4103                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4104                         tg3_writephy(tp, MII_BMCR, bmcr);
4105
4106                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4107                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4108                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4109
4110                         return err;
4111                 }
4112         } else {
4113                 u32 new_bmcr;
4114
4115                 bmcr &= ~BMCR_SPEED1000;
4116                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4117
4118                 if (tp->link_config.duplex == DUPLEX_FULL)
4119                         new_bmcr |= BMCR_FULLDPLX;
4120
4121                 if (new_bmcr != bmcr) {
4122                         /* BMCR_SPEED1000 is a reserved bit that needs
4123                          * to be set on write.
4124                          */
4125                         new_bmcr |= BMCR_SPEED1000;
4126
4127                         /* Force a linkdown */
4128                         if (netif_carrier_ok(tp->dev)) {
4129                                 u32 adv;
4130
4131                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4132                                 adv &= ~(ADVERTISE_1000XFULL |
4133                                          ADVERTISE_1000XHALF |
4134                                          ADVERTISE_SLCT);
4135                                 tg3_writephy(tp, MII_ADVERTISE, adv);
4136                                 tg3_writephy(tp, MII_BMCR, bmcr |
4137                                                            BMCR_ANRESTART |
4138                                                            BMCR_ANENABLE);
4139                                 udelay(10);
4140                                 netif_carrier_off(tp->dev);
4141                         }
4142                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4143                         bmcr = new_bmcr;
4144                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4145                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4146                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4147                             ASIC_REV_5714) {
4148                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4149                                         bmsr |= BMSR_LSTATUS;
4150                                 else
4151                                         bmsr &= ~BMSR_LSTATUS;
4152                         }
4153                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4154                 }
4155         }
4156
4157         if (bmsr & BMSR_LSTATUS) {
4158                 current_speed = SPEED_1000;
4159                 current_link_up = 1;
4160                 if (bmcr & BMCR_FULLDPLX)
4161                         current_duplex = DUPLEX_FULL;
4162                 else
4163                         current_duplex = DUPLEX_HALF;
4164
4165                 local_adv = 0;
4166                 remote_adv = 0;
4167
4168                 if (bmcr & BMCR_ANENABLE) {
4169                         u32 common;
4170
4171                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4172                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4173                         common = local_adv & remote_adv;
4174                         if (common & (ADVERTISE_1000XHALF |
4175                                       ADVERTISE_1000XFULL)) {
4176                                 if (common & ADVERTISE_1000XFULL)
4177                                         current_duplex = DUPLEX_FULL;
4178                                 else
4179                                         current_duplex = DUPLEX_HALF;
4180                         }
4181                         else
4182                                 current_link_up = 0;
4183                 }
4184         }
4185
4186         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4187                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4188
4189         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4190         if (tp->link_config.active_duplex == DUPLEX_HALF)
4191                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4192
4193         tw32_f(MAC_MODE, tp->mac_mode);
4194         udelay(40);
4195
4196         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4197
4198         tp->link_config.active_speed = current_speed;
4199         tp->link_config.active_duplex = current_duplex;
4200
4201         if (current_link_up != netif_carrier_ok(tp->dev)) {
4202                 if (current_link_up)
4203                         netif_carrier_on(tp->dev);
4204                 else {
4205                         netif_carrier_off(tp->dev);
4206                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4207                 }
4208                 tg3_link_report(tp);
4209         }
4210         return err;
4211 }
4212
4213 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4214 {
4215         if (tp->serdes_counter) {
4216                 /* Give autoneg time to complete. */
4217                 tp->serdes_counter--;
4218                 return;
4219         }
4220         if (!netif_carrier_ok(tp->dev) &&
4221             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4222                 u32 bmcr;
4223
4224                 tg3_readphy(tp, MII_BMCR, &bmcr);
4225                 if (bmcr & BMCR_ANENABLE) {
4226                         u32 phy1, phy2;
4227
4228                         /* Select shadow register 0x1f */
4229                         tg3_writephy(tp, 0x1c, 0x7c00);
4230                         tg3_readphy(tp, 0x1c, &phy1);
4231
4232                         /* Select expansion interrupt status register */
4233                         tg3_writephy(tp, 0x17, 0x0f01);
4234                         tg3_readphy(tp, 0x15, &phy2);
4235                         tg3_readphy(tp, 0x15, &phy2);
4236
4237                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4238                                 /* We have signal detect and not receiving
4239                                  * config code words, link is up by parallel
4240                                  * detection.
4241                                  */
4242
4243                                 bmcr &= ~BMCR_ANENABLE;
4244                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4245                                 tg3_writephy(tp, MII_BMCR, bmcr);
4246                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4247                         }
4248                 }
4249         }
4250         else if (netif_carrier_ok(tp->dev) &&
4251                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4252                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4253                 u32 phy2;
4254
4255                 /* Select expansion interrupt status register */
4256                 tg3_writephy(tp, 0x17, 0x0f01);
4257                 tg3_readphy(tp, 0x15, &phy2);
4258                 if (phy2 & 0x20) {
4259                         u32 bmcr;
4260
4261                         /* Config code words received, turn on autoneg. */
4262                         tg3_readphy(tp, MII_BMCR, &bmcr);
4263                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4264
4265                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4266
4267                 }
4268         }
4269 }
4270
4271 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4272 {
4273         int err;
4274
4275         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4276                 err = tg3_setup_fiber_phy(tp, force_reset);
4277         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4278                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4279         } else {
4280                 err = tg3_setup_copper_phy(tp, force_reset);
4281         }
4282
4283         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4284                 u32 val, scale;
4285
4286                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4287                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4288                         scale = 65;
4289                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4290                         scale = 6;
4291                 else
4292                         scale = 12;
4293
4294                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4295                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4296                 tw32(GRC_MISC_CFG, val);
4297         }
4298
4299         if (tp->link_config.active_speed == SPEED_1000 &&
4300             tp->link_config.active_duplex == DUPLEX_HALF)
4301                 tw32(MAC_TX_LENGTHS,
4302                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4303                       (6 << TX_LENGTHS_IPG_SHIFT) |
4304                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4305         else
4306                 tw32(MAC_TX_LENGTHS,
4307                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4308                       (6 << TX_LENGTHS_IPG_SHIFT) |
4309                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4310
4311         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4312                 if (netif_carrier_ok(tp->dev)) {
4313                         tw32(HOSTCC_STAT_COAL_TICKS,
4314                              tp->coal.stats_block_coalesce_usecs);
4315                 } else {
4316                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4317                 }
4318         }
4319
4320         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4321                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4322                 if (!netif_carrier_ok(tp->dev))
4323                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4324                               tp->pwrmgmt_thresh;
4325                 else
4326                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4327                 tw32(PCIE_PWR_MGMT_THRESH, val);
4328         }
4329
4330         return err;
4331 }
4332
4333 /* This is called whenever we suspect that the system chipset is re-
4334  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4335  * is bogus tx completions. We try to recover by setting the
4336  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4337  * in the workqueue.
4338  */
4339 static void tg3_tx_recover(struct tg3 *tp)
4340 {
4341         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4342                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4343
4344         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4345                "mapped I/O cycles to the network device, attempting to "
4346                "recover. Please report the problem to the driver maintainer "
4347                "and include system chipset information.\n", tp->dev->name);
4348
4349         spin_lock(&tp->lock);
4350         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4351         spin_unlock(&tp->lock);
4352 }
4353
4354 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4355 {
4356         smp_mb();
4357         return tnapi->tx_pending -
4358                ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4359 }
4360
4361 /* Tigon3 never reports partial packet sends.  So we do not
4362  * need special logic to handle SKBs that have not had all
4363  * of their frags sent yet, like SunGEM does.
4364  */
4365 static void tg3_tx(struct tg3_napi *tnapi)
4366 {
4367         struct tg3 *tp = tnapi->tp;
4368         u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4369         u32 sw_idx = tnapi->tx_cons;
4370         struct netdev_queue *txq;
4371         int index = tnapi - tp->napi;
4372
4373         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
4374                 index--;
4375
4376         txq = netdev_get_tx_queue(tp->dev, index);
4377
4378         while (sw_idx != hw_idx) {
4379                 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
4380                 struct sk_buff *skb = ri->skb;
4381                 int i, tx_bug = 0;
4382
4383                 if (unlikely(skb == NULL)) {
4384                         tg3_tx_recover(tp);
4385                         return;
4386                 }
4387
4388                 pci_unmap_single(tp->pdev,
4389                                  pci_unmap_addr(ri, mapping),
4390                                  skb_headlen(skb),
4391                                  PCI_DMA_TODEVICE);
4392
4393                 ri->skb = NULL;
4394
4395                 sw_idx = NEXT_TX(sw_idx);
4396
4397                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4398                         ri = &tnapi->tx_buffers[sw_idx];
4399                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4400                                 tx_bug = 1;
4401
4402                         pci_unmap_page(tp->pdev,
4403                                        pci_unmap_addr(ri, mapping),
4404                                        skb_shinfo(skb)->frags[i].size,
4405                                        PCI_DMA_TODEVICE);
4406                         sw_idx = NEXT_TX(sw_idx);
4407                 }
4408
4409                 dev_kfree_skb(skb);
4410
4411                 if (unlikely(tx_bug)) {
4412                         tg3_tx_recover(tp);
4413                         return;
4414                 }
4415         }
4416
4417         tnapi->tx_cons = sw_idx;
4418
4419         /* Need to make the tx_cons update visible to tg3_start_xmit()
4420          * before checking for netif_queue_stopped().  Without the
4421          * memory barrier, there is a small possibility that tg3_start_xmit()
4422          * will miss it and cause the queue to be stopped forever.
4423          */
4424         smp_mb();
4425
4426         if (unlikely(netif_tx_queue_stopped(txq) &&
4427                      (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4428                 __netif_tx_lock(txq, smp_processor_id());
4429                 if (netif_tx_queue_stopped(txq) &&
4430                     (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4431                         netif_tx_wake_queue(txq);
4432                 __netif_tx_unlock(txq);
4433         }
4434 }
4435
4436 static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4437 {
4438         if (!ri->skb)
4439                 return;
4440
4441         pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
4442                          map_sz, PCI_DMA_FROMDEVICE);
4443         dev_kfree_skb_any(ri->skb);
4444         ri->skb = NULL;
4445 }
4446
4447 /* Returns size of skb allocated or < 0 on error.
4448  *
4449  * We only need to fill in the address because the other members
4450  * of the RX descriptor are invariant, see tg3_init_rings.
4451  *
4452  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4453  * posting buffers we only dirty the first cache line of the RX
4454  * descriptor (containing the address).  Whereas for the RX status
4455  * buffers the cpu only reads the last cacheline of the RX descriptor
4456  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4457  */
4458 static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
4459                             u32 opaque_key, u32 dest_idx_unmasked)
4460 {
4461         struct tg3_rx_buffer_desc *desc;
4462         struct ring_info *map, *src_map;
4463         struct sk_buff *skb;
4464         dma_addr_t mapping;
4465         int skb_size, dest_idx;
4466
4467         src_map = NULL;
4468         switch (opaque_key) {
4469         case RXD_OPAQUE_RING_STD:
4470                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4471                 desc = &tpr->rx_std[dest_idx];
4472                 map = &tpr->rx_std_buffers[dest_idx];
4473                 skb_size = tp->rx_pkt_map_sz;
4474                 break;
4475
4476         case RXD_OPAQUE_RING_JUMBO:
4477                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4478                 desc = &tpr->rx_jmb[dest_idx].std;
4479                 map = &tpr->rx_jmb_buffers[dest_idx];
4480                 skb_size = TG3_RX_JMB_MAP_SZ;
4481                 break;
4482
4483         default:
4484                 return -EINVAL;
4485         }
4486
4487         /* Do not overwrite any of the map or rp information
4488          * until we are sure we can commit to a new buffer.
4489          *
4490          * Callers depend upon this behavior and assume that
4491          * we leave everything unchanged if we fail.
4492          */
4493         skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4494         if (skb == NULL)
4495                 return -ENOMEM;
4496
4497         skb_reserve(skb, tp->rx_offset);
4498
4499         mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4500                                  PCI_DMA_FROMDEVICE);
4501         if (pci_dma_mapping_error(tp->pdev, mapping)) {
4502                 dev_kfree_skb(skb);
4503                 return -EIO;
4504         }
4505
4506         map->skb = skb;
4507         pci_unmap_addr_set(map, mapping, mapping);
4508
4509         desc->addr_hi = ((u64)mapping >> 32);
4510         desc->addr_lo = ((u64)mapping & 0xffffffff);
4511
4512         return skb_size;
4513 }
4514
4515 /* We only need to move over in the address because the other
4516  * members of the RX descriptor are invariant.  See notes above
4517  * tg3_alloc_rx_skb for full details.
4518  */
4519 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4520                            struct tg3_rx_prodring_set *dpr,
4521                            u32 opaque_key, int src_idx,
4522                            u32 dest_idx_unmasked)
4523 {
4524         struct tg3 *tp = tnapi->tp;
4525         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4526         struct ring_info *src_map, *dest_map;
4527         int dest_idx;
4528         struct tg3_rx_prodring_set *spr = &tp->prodring[0];
4529
4530         switch (opaque_key) {
4531         case RXD_OPAQUE_RING_STD:
4532                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4533                 dest_desc = &dpr->rx_std[dest_idx];
4534                 dest_map = &dpr->rx_std_buffers[dest_idx];
4535                 src_desc = &spr->rx_std[src_idx];
4536                 src_map = &spr->rx_std_buffers[src_idx];
4537                 break;
4538
4539         case RXD_OPAQUE_RING_JUMBO:
4540                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4541                 dest_desc = &dpr->rx_jmb[dest_idx].std;
4542                 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4543                 src_desc = &spr->rx_jmb[src_idx].std;
4544                 src_map = &spr->rx_jmb_buffers[src_idx];
4545                 break;
4546
4547         default:
4548                 return;
4549         }
4550
4551         dest_map->skb = src_map->skb;
4552         pci_unmap_addr_set(dest_map, mapping,
4553                            pci_unmap_addr(src_map, mapping));
4554         dest_desc->addr_hi = src_desc->addr_hi;
4555         dest_desc->addr_lo = src_desc->addr_lo;
4556
4557         /* Ensure that the update to the skb happens after the physical
4558          * addresses have been transferred to the new BD location.
4559          */
4560         smp_wmb();
4561
4562         src_map->skb = NULL;
4563 }
4564
4565 /* The RX ring scheme is composed of multiple rings which post fresh
4566  * buffers to the chip, and one special ring the chip uses to report
4567  * status back to the host.
4568  *
4569  * The special ring reports the status of received packets to the
4570  * host.  The chip does not write into the original descriptor the
4571  * RX buffer was obtained from.  The chip simply takes the original
4572  * descriptor as provided by the host, updates the status and length
4573  * field, then writes this into the next status ring entry.
4574  *
4575  * Each ring the host uses to post buffers to the chip is described
4576  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4577  * it is first placed into the on-chip ram.  When the packet's length
4578  * is known, it walks down the TG3_BDINFO entries to select the ring.
4579  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4580  * which is within the range of the new packet's length is chosen.
4581  *
4582  * The "separate ring for rx status" scheme may sound queer, but it makes
4583  * sense from a cache coherency perspective.  If only the host writes
4584  * to the buffer post rings, and only the chip writes to the rx status
4585  * rings, then cache lines never move beyond shared-modified state.
4586  * If both the host and chip were to write into the same ring, cache line
4587  * eviction could occur since both entities want it in an exclusive state.
4588  */
4589 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4590 {
4591         struct tg3 *tp = tnapi->tp;
4592         u32 work_mask, rx_std_posted = 0;
4593         u32 std_prod_idx, jmb_prod_idx;
4594         u32 sw_idx = tnapi->rx_rcb_ptr;
4595         u16 hw_idx;
4596         int received;
4597         struct tg3_rx_prodring_set *tpr = tnapi->prodring;
4598
4599         hw_idx = *(tnapi->rx_rcb_prod_idx);
4600         /*
4601          * We need to order the read of hw_idx and the read of
4602          * the opaque cookie.
4603          */
4604         rmb();
4605         work_mask = 0;
4606         received = 0;
4607         std_prod_idx = tpr->rx_std_prod_idx;
4608         jmb_prod_idx = tpr->rx_jmb_prod_idx;
4609         while (sw_idx != hw_idx && budget > 0) {
4610                 struct ring_info *ri;
4611                 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4612                 unsigned int len;
4613                 struct sk_buff *skb;
4614                 dma_addr_t dma_addr;
4615                 u32 opaque_key, desc_idx, *post_ptr;
4616
4617                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4618                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4619                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4620                         ri = &tp->prodring[0].rx_std_buffers[desc_idx];
4621                         dma_addr = pci_unmap_addr(ri, mapping);
4622                         skb = ri->skb;
4623                         post_ptr = &std_prod_idx;
4624                         rx_std_posted++;
4625                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4626                         ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
4627                         dma_addr = pci_unmap_addr(ri, mapping);
4628                         skb = ri->skb;
4629                         post_ptr = &jmb_prod_idx;
4630                 } else
4631                         goto next_pkt_nopost;
4632
4633                 work_mask |= opaque_key;
4634
4635                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4636                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4637                 drop_it:
4638                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4639                                        desc_idx, *post_ptr);
4640                 drop_it_no_recycle:
4641                         /* Other statistics kept track of by card. */
4642                         tp->net_stats.rx_dropped++;
4643                         goto next_pkt;
4644                 }
4645
4646                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4647                       ETH_FCS_LEN;
4648
4649                 if (len > RX_COPY_THRESHOLD &&
4650                     tp->rx_offset == NET_IP_ALIGN) {
4651                     /* rx_offset will likely not equal NET_IP_ALIGN
4652                      * if this is a 5701 card running in PCI-X mode
4653                      * [see tg3_get_invariants()]
4654                      */
4655                         int skb_size;
4656
4657                         skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
4658                                                     *post_ptr);
4659                         if (skb_size < 0)
4660                                 goto drop_it;
4661
4662                         pci_unmap_single(tp->pdev, dma_addr, skb_size,
4663                                          PCI_DMA_FROMDEVICE);
4664
4665                         /* Ensure that the update to the skb happens
4666                          * after the usage of the old DMA mapping.
4667                          */
4668                         smp_wmb();
4669
4670                         ri->skb = NULL;
4671
4672                         skb_put(skb, len);
4673                 } else {
4674                         struct sk_buff *copy_skb;
4675
4676                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4677                                        desc_idx, *post_ptr);
4678
4679                         copy_skb = netdev_alloc_skb(tp->dev,
4680                                                     len + TG3_RAW_IP_ALIGN);
4681                         if (copy_skb == NULL)
4682                                 goto drop_it_no_recycle;
4683
4684                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4685                         skb_put(copy_skb, len);
4686                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4687                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4688                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4689
4690                         /* We'll reuse the original ring buffer. */
4691                         skb = copy_skb;
4692                 }
4693
4694                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4695                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4696                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4697                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4698                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4699                 else
4700                         skb->ip_summed = CHECKSUM_NONE;
4701
4702                 skb->protocol = eth_type_trans(skb, tp->dev);
4703
4704                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4705                     skb->protocol != htons(ETH_P_8021Q)) {
4706                         dev_kfree_skb(skb);
4707                         goto next_pkt;
4708                 }
4709
4710 #if TG3_VLAN_TAG_USED
4711                 if (tp->vlgrp != NULL &&
4712                     desc->type_flags & RXD_FLAG_VLAN) {
4713                         vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4714                                          desc->err_vlan & RXD_VLAN_MASK, skb);
4715                 } else
4716 #endif
4717                         napi_gro_receive(&tnapi->napi, skb);
4718
4719                 received++;
4720                 budget--;
4721
4722 next_pkt:
4723                 (*post_ptr)++;
4724
4725                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4726                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4727                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4728                                      tpr->rx_std_prod_idx);
4729                         work_mask &= ~RXD_OPAQUE_RING_STD;
4730                         rx_std_posted = 0;
4731                 }
4732 next_pkt_nopost:
4733                 sw_idx++;
4734                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4735
4736                 /* Refresh hw_idx to see if there is new work */
4737                 if (sw_idx == hw_idx) {
4738                         hw_idx = *(tnapi->rx_rcb_prod_idx);
4739                         rmb();
4740                 }
4741         }
4742
4743         /* ACK the status ring. */
4744         tnapi->rx_rcb_ptr = sw_idx;
4745         tw32_rx_mbox(tnapi->consmbox, sw_idx);
4746
4747         /* Refill RX ring(s). */
4748         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4749                 if (work_mask & RXD_OPAQUE_RING_STD) {
4750                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4751                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4752                                      tpr->rx_std_prod_idx);
4753                 }
4754                 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4755                         tpr->rx_jmb_prod_idx = jmb_prod_idx %
4756                                                TG3_RX_JUMBO_RING_SIZE;
4757                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4758                                      tpr->rx_jmb_prod_idx);
4759                 }
4760                 mmiowb();
4761         } else if (work_mask) {
4762                 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4763                  * updated before the producer indices can be updated.
4764                  */
4765                 smp_wmb();
4766
4767                 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4768                 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
4769
4770                 if (tnapi != &tp->napi[1])
4771                         napi_schedule(&tp->napi[1].napi);
4772         }
4773
4774         return received;
4775 }
4776
4777 static void tg3_poll_link(struct tg3 *tp)
4778 {
4779         /* handle link change and other phy events */
4780         if (!(tp->tg3_flags &
4781               (TG3_FLAG_USE_LINKCHG_REG |
4782                TG3_FLAG_POLL_SERDES))) {
4783                 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4784
4785                 if (sblk->status & SD_STATUS_LINK_CHG) {
4786                         sblk->status = SD_STATUS_UPDATED |
4787                                        (sblk->status & ~SD_STATUS_LINK_CHG);
4788                         spin_lock(&tp->lock);
4789                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4790                                 tw32_f(MAC_STATUS,
4791                                      (MAC_STATUS_SYNC_CHANGED |
4792                                       MAC_STATUS_CFG_CHANGED |
4793                                       MAC_STATUS_MI_COMPLETION |
4794                                       MAC_STATUS_LNKSTATE_CHANGED));
4795                                 udelay(40);
4796                         } else
4797                                 tg3_setup_phy(tp, 0);
4798                         spin_unlock(&tp->lock);
4799                 }
4800         }
4801 }
4802
4803 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4804                                 struct tg3_rx_prodring_set *dpr,
4805                                 struct tg3_rx_prodring_set *spr)
4806 {
4807         u32 si, di, cpycnt, src_prod_idx;
4808         int i, err = 0;
4809
4810         while (1) {
4811                 src_prod_idx = spr->rx_std_prod_idx;
4812
4813                 /* Make sure updates to the rx_std_buffers[] entries and the
4814                  * standard producer index are seen in the correct order.
4815                  */
4816                 smp_rmb();
4817
4818                 if (spr->rx_std_cons_idx == src_prod_idx)
4819                         break;
4820
4821                 if (spr->rx_std_cons_idx < src_prod_idx)
4822                         cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4823                 else
4824                         cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4825
4826                 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4827
4828                 si = spr->rx_std_cons_idx;
4829                 di = dpr->rx_std_prod_idx;
4830
4831                 for (i = di; i < di + cpycnt; i++) {
4832                         if (dpr->rx_std_buffers[i].skb) {
4833                                 cpycnt = i - di;
4834                                 err = -ENOSPC;
4835                                 break;
4836                         }
4837                 }
4838
4839                 if (!cpycnt)
4840                         break;
4841
4842                 /* Ensure that updates to the rx_std_buffers ring and the
4843                  * shadowed hardware producer ring from tg3_recycle_skb() are
4844                  * ordered correctly WRT the skb check above.
4845                  */
4846                 smp_rmb();
4847
4848                 memcpy(&dpr->rx_std_buffers[di],
4849                        &spr->rx_std_buffers[si],
4850                        cpycnt * sizeof(struct ring_info));
4851
4852                 for (i = 0; i < cpycnt; i++, di++, si++) {
4853                         struct tg3_rx_buffer_desc *sbd, *dbd;
4854                         sbd = &spr->rx_std[si];
4855                         dbd = &dpr->rx_std[di];
4856                         dbd->addr_hi = sbd->addr_hi;
4857                         dbd->addr_lo = sbd->addr_lo;
4858                 }
4859
4860                 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4861                                        TG3_RX_RING_SIZE;
4862                 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4863                                        TG3_RX_RING_SIZE;
4864         }
4865
4866         while (1) {
4867                 src_prod_idx = spr->rx_jmb_prod_idx;
4868
4869                 /* Make sure updates to the rx_jmb_buffers[] entries and
4870                  * the jumbo producer index are seen in the correct order.
4871                  */
4872                 smp_rmb();
4873
4874                 if (spr->rx_jmb_cons_idx == src_prod_idx)
4875                         break;
4876
4877                 if (spr->rx_jmb_cons_idx < src_prod_idx)
4878                         cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4879                 else
4880                         cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4881
4882                 cpycnt = min(cpycnt,
4883                              TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4884
4885                 si = spr->rx_jmb_cons_idx;
4886                 di = dpr->rx_jmb_prod_idx;
4887
4888                 for (i = di; i < di + cpycnt; i++) {
4889                         if (dpr->rx_jmb_buffers[i].skb) {
4890                                 cpycnt = i - di;
4891                                 err = -ENOSPC;
4892                                 break;
4893                         }
4894                 }
4895
4896                 if (!cpycnt)
4897                         break;
4898
4899                 /* Ensure that updates to the rx_jmb_buffers ring and the
4900                  * shadowed hardware producer ring from tg3_recycle_skb() are
4901                  * ordered correctly WRT the skb check above.
4902                  */
4903                 smp_rmb();
4904
4905                 memcpy(&dpr->rx_jmb_buffers[di],
4906                        &spr->rx_jmb_buffers[si],
4907                        cpycnt * sizeof(struct ring_info));
4908
4909                 for (i = 0; i < cpycnt; i++, di++, si++) {
4910                         struct tg3_rx_buffer_desc *sbd, *dbd;
4911                         sbd = &spr->rx_jmb[si].std;
4912                         dbd = &dpr->rx_jmb[di].std;
4913                         dbd->addr_hi = sbd->addr_hi;
4914                         dbd->addr_lo = sbd->addr_lo;
4915                 }
4916
4917                 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4918                                        TG3_RX_JUMBO_RING_SIZE;
4919                 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4920                                        TG3_RX_JUMBO_RING_SIZE;
4921         }
4922
4923         return err;
4924 }
4925
4926 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4927 {
4928         struct tg3 *tp = tnapi->tp;
4929
4930         /* run TX completion thread */
4931         if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4932                 tg3_tx(tnapi);
4933                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4934                         return work_done;
4935         }
4936
4937         /* run RX thread, within the bounds set by NAPI.
4938          * All RX "locking" is done by ensuring outside
4939          * code synchronizes with tg3->napi.poll()
4940          */
4941         if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4942                 work_done += tg3_rx(tnapi, budget - work_done);
4943
4944         if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4945                 struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
4946                 int i, err = 0;
4947                 u32 std_prod_idx = dpr->rx_std_prod_idx;
4948                 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
4949
4950                 for (i = 1; i < tp->irq_cnt; i++)
4951                         err |= tg3_rx_prodring_xfer(tp, dpr,
4952                                                     tp->napi[i].prodring);
4953
4954                 wmb();
4955
4956                 if (std_prod_idx != dpr->rx_std_prod_idx)
4957                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4958                                      dpr->rx_std_prod_idx);
4959
4960                 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
4961                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4962                                      dpr->rx_jmb_prod_idx);
4963
4964                 mmiowb();
4965
4966                 if (err)
4967                         tw32_f(HOSTCC_MODE, tp->coal_now);
4968         }
4969
4970         return work_done;
4971 }
4972
4973 static int tg3_poll_msix(struct napi_struct *napi, int budget)
4974 {
4975         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4976         struct tg3 *tp = tnapi->tp;
4977         int work_done = 0;
4978         struct tg3_hw_status *sblk = tnapi->hw_status;
4979
4980         while (1) {
4981                 work_done = tg3_poll_work(tnapi, work_done, budget);
4982
4983                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4984                         goto tx_recovery;
4985
4986                 if (unlikely(work_done >= budget))
4987                         break;
4988
4989                 /* tp->last_tag is used in tg3_restart_ints() below
4990                  * to tell the hw how much work has been processed,
4991                  * so we must read it before checking for more work.
4992                  */
4993                 tnapi->last_tag = sblk->status_tag;
4994                 tnapi->last_irq_tag = tnapi->last_tag;
4995                 rmb();
4996
4997                 /* check for RX/TX work to do */
4998                 if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4999                     *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
5000                         napi_complete(napi);
5001                         /* Reenable interrupts. */
5002                         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
5003                         mmiowb();
5004                         break;
5005                 }
5006         }
5007
5008         return work_done;
5009
5010 tx_recovery:
5011         /* work_done is guaranteed to be less than budget. */
5012         napi_complete(napi);
5013         schedule_work(&tp->reset_task);
5014         return work_done;
5015 }
5016
5017 static int tg3_poll(struct napi_struct *napi, int budget)
5018 {
5019         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5020         struct tg3 *tp = tnapi->tp;
5021         int work_done = 0;
5022         struct tg3_hw_status *sblk = tnapi->hw_status;
5023
5024         while (1) {
5025                 tg3_poll_link(tp);
5026
5027                 work_done = tg3_poll_work(tnapi, work_done, budget);
5028
5029                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5030                         goto tx_recovery;
5031
5032                 if (unlikely(work_done >= budget))
5033                         break;
5034
5035                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5036                         /* tp->last_tag is used in tg3_int_reenable() below
5037                          * to tell the hw how much work has been processed,
5038                          * so we must read it before checking for more work.
5039                          */
5040                         tnapi->last_tag = sblk->status_tag;
5041                         tnapi->last_irq_tag = tnapi->last_tag;
5042                         rmb();
5043                 } else
5044                         sblk->status &= ~SD_STATUS_UPDATED;
5045
5046                 if (likely(!tg3_has_work(tnapi))) {
5047                         napi_complete(napi);
5048                         tg3_int_reenable(tnapi);
5049                         break;
5050                 }
5051         }
5052
5053         return work_done;
5054
5055 tx_recovery:
5056         /* work_done is guaranteed to be less than budget. */
5057         napi_complete(napi);
5058         schedule_work(&tp->reset_task);
5059         return work_done;
5060 }
5061
5062 static void tg3_irq_quiesce(struct tg3 *tp)
5063 {
5064         int i;
5065
5066         BUG_ON(tp->irq_sync);
5067
5068         tp->irq_sync = 1;
5069         smp_mb();
5070
5071         for (i = 0; i < tp->irq_cnt; i++)
5072                 synchronize_irq(tp->napi[i].irq_vec);
5073 }
5074
5075 static inline int tg3_irq_sync(struct tg3 *tp)
5076 {
5077         return tp->irq_sync;
5078 }
5079
5080 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5081  * If irq_sync is non-zero, then the IRQ handler must be synchronized
5082  * with as well.  Most of the time, this is not necessary except when
5083  * shutting down the device.
5084  */
5085 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5086 {
5087         spin_lock_bh(&tp->lock);
5088         if (irq_sync)
5089                 tg3_irq_quiesce(tp);
5090 }
5091
5092 static inline void tg3_full_unlock(struct tg3 *tp)
5093 {
5094         spin_unlock_bh(&tp->lock);
5095 }
5096
5097 /* One-shot MSI handler - Chip automatically disables interrupt
5098  * after sending MSI so driver doesn't have to do it.
5099  */
5100 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5101 {
5102         struct tg3_napi *tnapi = dev_id;
5103         struct tg3 *tp = tnapi->tp;
5104
5105         prefetch(tnapi->hw_status);
5106         if (tnapi->rx_rcb)
5107                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5108
5109         if (likely(!tg3_irq_sync(tp)))
5110                 napi_schedule(&tnapi->napi);
5111
5112         return IRQ_HANDLED;
5113 }
5114
5115 /* MSI ISR - No need to check for interrupt sharing and no need to
5116  * flush status block and interrupt mailbox. PCI ordering rules
5117  * guarantee that MSI will arrive after the status block.
5118  */
5119 static irqreturn_t tg3_msi(int irq, void *dev_id)
5120 {
5121         struct tg3_napi *tnapi = dev_id;
5122         struct tg3 *tp = tnapi->tp;
5123
5124         prefetch(tnapi->hw_status);
5125         if (tnapi->rx_rcb)
5126                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5127         /*
5128          * Writing any value to intr-mbox-0 clears PCI INTA# and
5129          * chip-internal interrupt pending events.
5130          * Writing non-zero to intr-mbox-0 additional tells the
5131          * NIC to stop sending us irqs, engaging "in-intr-handler"
5132          * event coalescing.
5133          */
5134         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5135         if (likely(!tg3_irq_sync(tp)))
5136                 napi_schedule(&tnapi->napi);
5137
5138         return IRQ_RETVAL(1);
5139 }
5140
5141 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5142 {
5143         struct tg3_napi *tnapi = dev_id;
5144         struct tg3 *tp = tnapi->tp;
5145         struct tg3_hw_status *sblk = tnapi->hw_status;
5146         unsigned int handled = 1;
5147
5148         /* In INTx mode, it is possible for the interrupt to arrive at
5149          * the CPU before the status block posted prior to the interrupt.
5150          * Reading the PCI State register will confirm whether the
5151          * interrupt is ours and will flush the status block.
5152          */
5153         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5154                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5155                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5156                         handled = 0;
5157                         goto out;
5158                 }
5159         }
5160
5161         /*
5162          * Writing any value to intr-mbox-0 clears PCI INTA# and
5163          * chip-internal interrupt pending events.
5164          * Writing non-zero to intr-mbox-0 additional tells the
5165          * NIC to stop sending us irqs, engaging "in-intr-handler"
5166          * event coalescing.
5167          *
5168          * Flush the mailbox to de-assert the IRQ immediately to prevent
5169          * spurious interrupts.  The flush impacts performance but
5170          * excessive spurious interrupts can be worse in some cases.
5171          */
5172         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5173         if (tg3_irq_sync(tp))
5174                 goto out;
5175         sblk->status &= ~SD_STATUS_UPDATED;
5176         if (likely(tg3_has_work(tnapi))) {
5177                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5178                 napi_schedule(&tnapi->napi);
5179         } else {
5180                 /* No work, shared interrupt perhaps?  re-enable
5181                  * interrupts, and flush that PCI write
5182                  */
5183                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5184                                0x00000000);
5185         }
5186 out:
5187         return IRQ_RETVAL(handled);
5188 }
5189
5190 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5191 {
5192         struct tg3_napi *tnapi = dev_id;
5193         struct tg3 *tp = tnapi->tp;
5194         struct tg3_hw_status *sblk = tnapi->hw_status;
5195         unsigned int handled = 1;
5196
5197         /* In INTx mode, it is possible for the interrupt to arrive at
5198          * the CPU before the status block posted prior to the interrupt.
5199          * Reading the PCI State register will confirm whether the
5200          * interrupt is ours and will flush the status block.
5201          */
5202         if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5203                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5204                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5205                         handled = 0;
5206                         goto out;
5207                 }
5208         }
5209
5210         /*
5211          * writing any value to intr-mbox-0 clears PCI INTA# and
5212          * chip-internal interrupt pending events.
5213          * writing non-zero to intr-mbox-0 additional tells the
5214          * NIC to stop sending us irqs, engaging "in-intr-handler"
5215          * event coalescing.
5216          *
5217          * Flush the mailbox to de-assert the IRQ immediately to prevent
5218          * spurious interrupts.  The flush impacts performance but
5219          * excessive spurious interrupts can be worse in some cases.
5220          */
5221         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5222
5223         /*
5224          * In a shared interrupt configuration, sometimes other devices'
5225          * interrupts will scream.  We record the current status tag here
5226          * so that the above check can report that the screaming interrupts
5227          * are unhandled.  Eventually they will be silenced.
5228          */
5229         tnapi->last_irq_tag = sblk->status_tag;
5230
5231         if (tg3_irq_sync(tp))
5232                 goto out;
5233
5234         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5235
5236         napi_schedule(&tnapi->napi);
5237
5238 out:
5239         return IRQ_RETVAL(handled);
5240 }
5241
5242 /* ISR for interrupt test */
5243 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5244 {
5245         struct tg3_napi *tnapi = dev_id;
5246         struct tg3 *tp = tnapi->tp;
5247         struct tg3_hw_status *sblk = tnapi->hw_status;
5248
5249         if ((sblk->status & SD_STATUS_UPDATED) ||
5250             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5251                 tg3_disable_ints(tp);
5252                 return IRQ_RETVAL(1);
5253         }
5254         return IRQ_RETVAL(0);
5255 }
5256
5257 static int tg3_init_hw(struct tg3 *, int);
5258 static int tg3_halt(struct tg3 *, int, int);
5259
5260 /* Restart hardware after configuration changes, self-test, etc.
5261  * Invoked with tp->lock held.
5262  */
5263 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5264         __releases(tp->lock)
5265         __acquires(tp->lock)
5266 {
5267         int err;
5268
5269         err = tg3_init_hw(tp, reset_phy);
5270         if (err) {
5271                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
5272                        "aborting.\n", tp->dev->name);
5273                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5274                 tg3_full_unlock(tp);
5275                 del_timer_sync(&tp->timer);
5276                 tp->irq_sync = 0;
5277                 tg3_napi_enable(tp);
5278                 dev_close(tp->dev);
5279                 tg3_full_lock(tp, 0);
5280         }
5281         return err;
5282 }
5283
5284 #ifdef CONFIG_NET_POLL_CONTROLLER
5285 static void tg3_poll_controller(struct net_device *dev)
5286 {
5287         int i;
5288         struct tg3 *tp = netdev_priv(dev);
5289
5290         for (i = 0; i < tp->irq_cnt; i++)
5291                 tg3_interrupt(tp->napi[i].irq_vec, dev);
5292 }
5293 #endif
5294
5295 static void tg3_reset_task(struct work_struct *work)
5296 {
5297         struct tg3 *tp = container_of(work, struct tg3, reset_task);
5298         int err;
5299         unsigned int restart_timer;
5300
5301         tg3_full_lock(tp, 0);
5302
5303         if (!netif_running(tp->dev)) {
5304                 tg3_full_unlock(tp);
5305                 return;
5306         }
5307
5308         tg3_full_unlock(tp);
5309
5310         tg3_phy_stop(tp);
5311
5312         tg3_netif_stop(tp);
5313
5314         tg3_full_lock(tp, 1);
5315
5316         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5317         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5318
5319         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5320                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5321                 tp->write32_rx_mbox = tg3_write_flush_reg32;
5322                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5323                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5324         }
5325
5326         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5327         err = tg3_init_hw(tp, 1);
5328         if (err)
5329                 goto out;
5330
5331         tg3_netif_start(tp);
5332
5333         if (restart_timer)
5334                 mod_timer(&tp->timer, jiffies + 1);
5335
5336 out:
5337         tg3_full_unlock(tp);
5338
5339         if (!err)
5340                 tg3_phy_start(tp);
5341 }
5342
5343 static void tg3_dump_short_state(struct tg3 *tp)
5344 {
5345         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5346                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5347         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5348                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5349 }
5350
5351 static void tg3_tx_timeout(struct net_device *dev)
5352 {
5353         struct tg3 *tp = netdev_priv(dev);
5354
5355         if (netif_msg_tx_err(tp)) {
5356                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5357                        dev->name);
5358                 tg3_dump_short_state(tp);
5359         }
5360
5361         schedule_work(&tp->reset_task);
5362 }
5363
5364 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5365 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5366 {
5367         u32 base = (u32) mapping & 0xffffffff;
5368
5369         return ((base > 0xffffdcc0) &&
5370                 (base + len + 8 < base));
5371 }
5372
5373 /* Test for DMA addresses > 40-bit */
5374 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5375                                           int len)
5376 {
5377 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5378         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5379                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5380         return 0;
5381 #else
5382         return 0;
5383 #endif
5384 }
5385
5386 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5387
5388 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5389 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5390                                        struct sk_buff *skb, u32 last_plus_one,
5391                                        u32 *start, u32 base_flags, u32 mss)
5392 {
5393         struct tg3 *tp = tnapi->tp;
5394         struct sk_buff *new_skb;
5395         dma_addr_t new_addr = 0;
5396         u32 entry = *start;
5397         int i, ret = 0;
5398
5399         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5400                 new_skb = skb_copy(skb, GFP_ATOMIC);
5401         else {
5402                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5403
5404                 new_skb = skb_copy_expand(skb,
5405                                           skb_headroom(skb) + more_headroom,
5406                                           skb_tailroom(skb), GFP_ATOMIC);
5407         }
5408
5409         if (!new_skb) {
5410                 ret = -1;
5411         } else {
5412                 /* New SKB is guaranteed to be linear. */
5413                 entry = *start;
5414                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5415                                           PCI_DMA_TODEVICE);
5416                 /* Make sure the mapping succeeded */
5417                 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5418                         ret = -1;
5419                         dev_kfree_skb(new_skb);
5420                         new_skb = NULL;
5421
5422                 /* Make sure new skb does not cross any 4G boundaries.
5423                  * Drop the packet if it does.
5424                  */
5425                 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5426                             tg3_4g_overflow_test(new_addr, new_skb->len)) {
5427                         pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5428                                          PCI_DMA_TODEVICE);
5429                         ret = -1;
5430                         dev_kfree_skb(new_skb);
5431                         new_skb = NULL;
5432                 } else {
5433                         tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5434                                     base_flags, 1 | (mss << 1));
5435                         *start = NEXT_TX(entry);
5436                 }
5437         }
5438
5439         /* Now clean up the sw ring entries. */
5440         i = 0;
5441         while (entry != last_plus_one) {
5442                 int len;
5443
5444                 if (i == 0)
5445                         len = skb_headlen(skb);
5446                 else
5447                         len = skb_shinfo(skb)->frags[i-1].size;
5448
5449                 pci_unmap_single(tp->pdev,
5450                                  pci_unmap_addr(&tnapi->tx_buffers[entry],
5451                                                 mapping),
5452                                  len, PCI_DMA_TODEVICE);
5453                 if (i == 0) {
5454                         tnapi->tx_buffers[entry].skb = new_skb;
5455                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5456                                            new_addr);
5457                 } else {
5458                         tnapi->tx_buffers[entry].skb = NULL;
5459                 }
5460                 entry = NEXT_TX(entry);
5461                 i++;
5462         }
5463
5464         dev_kfree_skb(skb);
5465
5466         return ret;
5467 }
5468
5469 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5470                         dma_addr_t mapping, int len, u32 flags,
5471                         u32 mss_and_is_end)
5472 {
5473         struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5474         int is_end = (mss_and_is_end & 0x1);
5475         u32 mss = (mss_and_is_end >> 1);
5476         u32 vlan_tag = 0;
5477
5478         if (is_end)
5479                 flags |= TXD_FLAG_END;
5480         if (flags & TXD_FLAG_VLAN) {
5481                 vlan_tag = flags >> 16;
5482                 flags &= 0xffff;
5483         }
5484         vlan_tag |= (mss << TXD_MSS_SHIFT);
5485
5486         txd->addr_hi = ((u64) mapping >> 32);
5487         txd->addr_lo = ((u64) mapping & 0xffffffff);
5488         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5489         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5490 }
5491
5492 /* hard_start_xmit for devices that don't have any bugs and
5493  * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5494  */
5495 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5496                                   struct net_device *dev)
5497 {
5498         struct tg3 *tp = netdev_priv(dev);
5499         u32 len, entry, base_flags, mss;
5500         dma_addr_t mapping;
5501         struct tg3_napi *tnapi;
5502         struct netdev_queue *txq;
5503         unsigned int i, last;
5504
5505
5506         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5507         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5508         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5509                 tnapi++;
5510
5511         /* We are running in BH disabled context with netif_tx_lock
5512          * and TX reclaim runs via tp->napi.poll inside of a software
5513          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5514          * no IRQ context deadlocks to worry about either.  Rejoice!
5515          */
5516         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5517                 if (!netif_tx_queue_stopped(txq)) {
5518                         netif_tx_stop_queue(txq);
5519
5520                         /* This is a hard error, log it. */
5521                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5522                                "queue awake!\n", dev->name);
5523                 }
5524                 return NETDEV_TX_BUSY;
5525         }
5526
5527         entry = tnapi->tx_prod;
5528         base_flags = 0;
5529         mss = 0;
5530         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5531                 int tcp_opt_len, ip_tcp_len;
5532                 u32 hdrlen;
5533
5534                 if (skb_header_cloned(skb) &&
5535                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5536                         dev_kfree_skb(skb);
5537                         goto out_unlock;
5538                 }
5539
5540                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5541                         hdrlen = skb_headlen(skb) - ETH_HLEN;
5542                 else {
5543                         struct iphdr *iph = ip_hdr(skb);
5544
5545                         tcp_opt_len = tcp_optlen(skb);
5546                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5547
5548                         iph->check = 0;
5549                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5550                         hdrlen = ip_tcp_len + tcp_opt_len;
5551                 }
5552
5553                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5554                         mss |= (hdrlen & 0xc) << 12;
5555                         if (hdrlen & 0x10)
5556                                 base_flags |= 0x00000010;
5557                         base_flags |= (hdrlen & 0x3e0) << 5;
5558                 } else
5559                         mss |= hdrlen << 9;
5560
5561                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5562                                TXD_FLAG_CPU_POST_DMA);
5563
5564                 tcp_hdr(skb)->check = 0;
5565
5566         }
5567         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5568                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5569 #if TG3_VLAN_TAG_USED
5570         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5571                 base_flags |= (TXD_FLAG_VLAN |
5572                                (vlan_tx_tag_get(skb) << 16));
5573 #endif
5574
5575         len = skb_headlen(skb);
5576
5577         /* Queue skb data, a.k.a. the main skb fragment. */
5578         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5579         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5580                 dev_kfree_skb(skb);
5581                 goto out_unlock;
5582         }
5583
5584         tnapi->tx_buffers[entry].skb = skb;
5585         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5586
5587         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5588             !mss && skb->len > ETH_DATA_LEN)
5589                 base_flags |= TXD_FLAG_JMB_PKT;
5590
5591         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5592                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5593
5594         entry = NEXT_TX(entry);
5595
5596         /* Now loop through additional data fragments, and queue them. */
5597         if (skb_shinfo(skb)->nr_frags > 0) {
5598                 last = skb_shinfo(skb)->nr_frags - 1;
5599                 for (i = 0; i <= last; i++) {
5600                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5601
5602                         len = frag->size;
5603                         mapping = pci_map_page(tp->pdev,
5604                                                frag->page,
5605                                                frag->page_offset,
5606                                                len, PCI_DMA_TODEVICE);
5607                         if (pci_dma_mapping_error(tp->pdev, mapping))
5608                                 goto dma_error;
5609
5610                         tnapi->tx_buffers[entry].skb = NULL;
5611                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5612                                            mapping);
5613
5614                         tg3_set_txd(tnapi, entry, mapping, len,
5615                                     base_flags, (i == last) | (mss << 1));
5616
5617                         entry = NEXT_TX(entry);
5618                 }
5619         }
5620
5621         /* Packets are ready, update Tx producer idx local and on card. */
5622         tw32_tx_mbox(tnapi->prodmbox, entry);
5623
5624         tnapi->tx_prod = entry;
5625         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5626                 netif_tx_stop_queue(txq);
5627                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5628                         netif_tx_wake_queue(txq);
5629         }
5630
5631 out_unlock:
5632         mmiowb();
5633
5634         return NETDEV_TX_OK;
5635
5636 dma_error:
5637         last = i;
5638         entry = tnapi->tx_prod;
5639         tnapi->tx_buffers[entry].skb = NULL;
5640         pci_unmap_single(tp->pdev,
5641                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5642                          skb_headlen(skb),
5643                          PCI_DMA_TODEVICE);
5644         for (i = 0; i <= last; i++) {
5645                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5646                 entry = NEXT_TX(entry);
5647
5648                 pci_unmap_page(tp->pdev,
5649                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5650                                               mapping),
5651                                frag->size, PCI_DMA_TODEVICE);
5652         }
5653
5654         dev_kfree_skb(skb);
5655         return NETDEV_TX_OK;
5656 }
5657
5658 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5659                                           struct net_device *);
5660
5661 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5662  * TSO header is greater than 80 bytes.
5663  */
5664 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5665 {
5666         struct sk_buff *segs, *nskb;
5667         u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5668
5669         /* Estimate the number of fragments in the worst case */
5670         if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5671                 netif_stop_queue(tp->dev);
5672                 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5673                         return NETDEV_TX_BUSY;
5674
5675                 netif_wake_queue(tp->dev);
5676         }
5677
5678         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5679         if (IS_ERR(segs))
5680                 goto tg3_tso_bug_end;
5681
5682         do {
5683                 nskb = segs;
5684                 segs = segs->next;
5685                 nskb->next = NULL;
5686                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5687         } while (segs);
5688
5689 tg3_tso_bug_end:
5690         dev_kfree_skb(skb);
5691
5692         return NETDEV_TX_OK;
5693 }
5694
5695 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5696  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5697  */
5698 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5699                                           struct net_device *dev)
5700 {
5701         struct tg3 *tp = netdev_priv(dev);
5702         u32 len, entry, base_flags, mss;
5703         int would_hit_hwbug;
5704         dma_addr_t mapping;
5705         struct tg3_napi *tnapi;
5706         struct netdev_queue *txq;
5707         unsigned int i, last;
5708
5709
5710         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5711         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5712         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5713                 tnapi++;
5714
5715         /* We are running in BH disabled context with netif_tx_lock
5716          * and TX reclaim runs via tp->napi.poll inside of a software
5717          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5718          * no IRQ context deadlocks to worry about either.  Rejoice!
5719          */
5720         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5721                 if (!netif_tx_queue_stopped(txq)) {
5722                         netif_tx_stop_queue(txq);
5723
5724                         /* This is a hard error, log it. */
5725                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5726                                "queue awake!\n", dev->name);
5727                 }
5728                 return NETDEV_TX_BUSY;
5729         }
5730
5731         entry = tnapi->tx_prod;
5732         base_flags = 0;
5733         if (skb->ip_summed == CHECKSUM_PARTIAL)
5734                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5735
5736         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5737                 struct iphdr *iph;
5738                 u32 tcp_opt_len, ip_tcp_len, hdr_len;
5739
5740                 if (skb_header_cloned(skb) &&
5741                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5742                         dev_kfree_skb(skb);
5743                         goto out_unlock;
5744                 }
5745
5746                 tcp_opt_len = tcp_optlen(skb);
5747                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5748
5749                 hdr_len = ip_tcp_len + tcp_opt_len;
5750                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5751                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5752                         return (tg3_tso_bug(tp, skb));
5753
5754                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5755                                TXD_FLAG_CPU_POST_DMA);
5756
5757                 iph = ip_hdr(skb);
5758                 iph->check = 0;
5759                 iph->tot_len = htons(mss + hdr_len);
5760                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5761                         tcp_hdr(skb)->check = 0;
5762                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5763                 } else
5764                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5765                                                                  iph->daddr, 0,
5766                                                                  IPPROTO_TCP,
5767                                                                  0);
5768
5769                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5770                         mss |= (hdr_len & 0xc) << 12;
5771                         if (hdr_len & 0x10)
5772                                 base_flags |= 0x00000010;
5773                         base_flags |= (hdr_len & 0x3e0) << 5;
5774                 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5775                         mss |= hdr_len << 9;
5776                 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5777                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5778                         if (tcp_opt_len || iph->ihl > 5) {
5779                                 int tsflags;
5780
5781                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5782                                 mss |= (tsflags << 11);
5783                         }
5784                 } else {
5785                         if (tcp_opt_len || iph->ihl > 5) {
5786                                 int tsflags;
5787
5788                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5789                                 base_flags |= tsflags << 12;
5790                         }
5791                 }
5792         }
5793 #if TG3_VLAN_TAG_USED
5794         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5795                 base_flags |= (TXD_FLAG_VLAN |
5796                                (vlan_tx_tag_get(skb) << 16));
5797 #endif
5798
5799         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5800             !mss && skb->len > ETH_DATA_LEN)
5801                 base_flags |= TXD_FLAG_JMB_PKT;
5802
5803         len = skb_headlen(skb);
5804
5805         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5806         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5807                 dev_kfree_skb(skb);
5808                 goto out_unlock;
5809         }
5810
5811         tnapi->tx_buffers[entry].skb = skb;
5812         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5813
5814         would_hit_hwbug = 0;
5815
5816         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5817                 would_hit_hwbug = 1;
5818
5819         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5820             tg3_4g_overflow_test(mapping, len))
5821                 would_hit_hwbug = 1;
5822
5823         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5824             tg3_40bit_overflow_test(tp, mapping, len))
5825                 would_hit_hwbug = 1;
5826
5827         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5828                 would_hit_hwbug = 1;
5829
5830         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5831                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5832
5833         entry = NEXT_TX(entry);
5834
5835         /* Now loop through additional data fragments, and queue them. */
5836         if (skb_shinfo(skb)->nr_frags > 0) {
5837                 last = skb_shinfo(skb)->nr_frags - 1;
5838                 for (i = 0; i <= last; i++) {
5839                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5840
5841                         len = frag->size;
5842                         mapping = pci_map_page(tp->pdev,
5843                                                frag->page,
5844                                                frag->page_offset,
5845                                                len, PCI_DMA_TODEVICE);
5846
5847                         tnapi->tx_buffers[entry].skb = NULL;
5848                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5849                                            mapping);
5850                         if (pci_dma_mapping_error(tp->pdev, mapping))
5851                                 goto dma_error;
5852
5853                         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5854                             len <= 8)
5855                                 would_hit_hwbug = 1;
5856
5857                         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5858                             tg3_4g_overflow_test(mapping, len))
5859                                 would_hit_hwbug = 1;
5860
5861                         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5862                             tg3_40bit_overflow_test(tp, mapping, len))
5863                                 would_hit_hwbug = 1;
5864
5865                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5866                                 tg3_set_txd(tnapi, entry, mapping, len,
5867                                             base_flags, (i == last)|(mss << 1));
5868                         else
5869                                 tg3_set_txd(tnapi, entry, mapping, len,
5870                                             base_flags, (i == last));
5871
5872                         entry = NEXT_TX(entry);
5873                 }
5874         }
5875
5876         if (would_hit_hwbug) {
5877                 u32 last_plus_one = entry;
5878                 u32 start;
5879
5880                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5881                 start &= (TG3_TX_RING_SIZE - 1);
5882
5883                 /* If the workaround fails due to memory/mapping
5884                  * failure, silently drop this packet.
5885                  */
5886                 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5887                                                 &start, base_flags, mss))
5888                         goto out_unlock;
5889
5890                 entry = start;
5891         }
5892
5893         /* Packets are ready, update Tx producer idx local and on card. */
5894         tw32_tx_mbox(tnapi->prodmbox, entry);
5895
5896         tnapi->tx_prod = entry;
5897         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5898                 netif_tx_stop_queue(txq);
5899                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5900                         netif_tx_wake_queue(txq);
5901         }
5902
5903 out_unlock:
5904         mmiowb();
5905
5906         return NETDEV_TX_OK;
5907
5908 dma_error:
5909         last = i;
5910         entry = tnapi->tx_prod;
5911         tnapi->tx_buffers[entry].skb = NULL;
5912         pci_unmap_single(tp->pdev,
5913                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5914                          skb_headlen(skb),
5915                          PCI_DMA_TODEVICE);
5916         for (i = 0; i <= last; i++) {
5917                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5918                 entry = NEXT_TX(entry);
5919
5920                 pci_unmap_page(tp->pdev,
5921                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5922                                               mapping),
5923                                frag->size, PCI_DMA_TODEVICE);
5924         }
5925
5926         dev_kfree_skb(skb);
5927         return NETDEV_TX_OK;
5928 }
5929
5930 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5931                                int new_mtu)
5932 {
5933         dev->mtu = new_mtu;
5934
5935         if (new_mtu > ETH_DATA_LEN) {
5936                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5937                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5938                         ethtool_op_set_tso(dev, 0);
5939                 }
5940                 else
5941                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5942         } else {
5943                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5944                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5945                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5946         }
5947 }
5948
5949 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5950 {
5951         struct tg3 *tp = netdev_priv(dev);
5952         int err;
5953
5954         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5955                 return -EINVAL;
5956
5957         if (!netif_running(dev)) {
5958                 /* We'll just catch it later when the
5959                  * device is up'd.
5960                  */
5961                 tg3_set_mtu(dev, tp, new_mtu);
5962                 return 0;
5963         }
5964
5965         tg3_phy_stop(tp);
5966
5967         tg3_netif_stop(tp);
5968
5969         tg3_full_lock(tp, 1);
5970
5971         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5972
5973         tg3_set_mtu(dev, tp, new_mtu);
5974
5975         err = tg3_restart_hw(tp, 0);
5976
5977         if (!err)
5978                 tg3_netif_start(tp);
5979
5980         tg3_full_unlock(tp);
5981
5982         if (!err)
5983                 tg3_phy_start(tp);
5984
5985         return err;
5986 }
5987
5988 static void tg3_rx_prodring_free(struct tg3 *tp,
5989                                  struct tg3_rx_prodring_set *tpr)
5990 {
5991         int i;
5992
5993         if (tpr != &tp->prodring[0]) {
5994                 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
5995                      i = (i + 1) % TG3_RX_RING_SIZE)
5996                         tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5997                                         tp->rx_pkt_map_sz);
5998
5999                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6000                         for (i = tpr->rx_jmb_cons_idx;
6001                              i != tpr->rx_jmb_prod_idx;
6002                              i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
6003                                 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6004                                                 TG3_RX_JMB_MAP_SZ);
6005                         }
6006                 }
6007
6008                 return;
6009         }
6010
6011         for (i = 0; i < TG3_RX_RING_SIZE; i++)
6012                 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6013                                 tp->rx_pkt_map_sz);
6014
6015         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6016                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
6017                         tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6018                                         TG3_RX_JMB_MAP_SZ);
6019         }
6020 }
6021
6022 /* Initialize tx/rx rings for packet processing.
6023  *
6024  * The chip has been shut down and the driver detached from
6025  * the networking, so no interrupts or new tx packets will
6026  * end up in the driver.  tp->{tx,}lock are held and thus
6027  * we may not sleep.
6028  */
6029 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6030                                  struct tg3_rx_prodring_set *tpr)
6031 {
6032         u32 i, rx_pkt_dma_sz;
6033
6034         tpr->rx_std_cons_idx = 0;
6035         tpr->rx_std_prod_idx = 0;
6036         tpr->rx_jmb_cons_idx = 0;
6037         tpr->rx_jmb_prod_idx = 0;
6038
6039         if (tpr != &tp->prodring[0]) {
6040                 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
6041                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6042                         memset(&tpr->rx_jmb_buffers[0], 0,
6043                                TG3_RX_JMB_BUFF_RING_SIZE);
6044                 goto done;
6045         }
6046
6047         /* Zero out all descriptors. */
6048         memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
6049
6050         rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6051         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6052             tp->dev->mtu > ETH_DATA_LEN)
6053                 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6054         tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6055
6056         /* Initialize invariants of the rings, we only set this
6057          * stuff once.  This works because the card does not
6058          * write into the rx buffer posting rings.
6059          */
6060         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
6061                 struct tg3_rx_buffer_desc *rxd;
6062
6063                 rxd = &tpr->rx_std[i];
6064                 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6065                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6066                 rxd->opaque = (RXD_OPAQUE_RING_STD |
6067                                (i << RXD_OPAQUE_INDEX_SHIFT));
6068         }
6069
6070         /* Now allocate fresh SKBs for each rx ring. */
6071         for (i = 0; i < tp->rx_pending; i++) {
6072                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6073                         printk(KERN_WARNING PFX
6074                                "%s: Using a smaller RX standard ring, "
6075                                "only %d out of %d buffers were allocated "
6076                                "successfully.\n",
6077                                tp->dev->name, i, tp->rx_pending);
6078                         if (i == 0)
6079                                 goto initfail;
6080                         tp->rx_pending = i;
6081                         break;
6082                 }
6083         }
6084
6085         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6086                 goto done;
6087
6088         memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
6089
6090         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
6091                 goto done;
6092
6093         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6094                 struct tg3_rx_buffer_desc *rxd;
6095
6096                 rxd = &tpr->rx_jmb[i].std;
6097                 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6098                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6099                                   RXD_FLAG_JUMBO;
6100                 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6101                        (i << RXD_OPAQUE_INDEX_SHIFT));
6102         }
6103
6104         for (i = 0; i < tp->rx_jumbo_pending; i++) {
6105                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) {
6106                         printk(KERN_WARNING PFX
6107                                "%s: Using a smaller RX jumbo ring, "
6108                                "only %d out of %d buffers were "
6109                                "allocated successfully.\n",
6110                                tp->dev->name, i, tp->rx_jumbo_pending);
6111                         if (i == 0)
6112                                 goto initfail;
6113                         tp->rx_jumbo_pending = i;
6114                         break;
6115                 }
6116         }
6117
6118 done:
6119         return 0;
6120
6121 initfail:
6122         tg3_rx_prodring_free(tp, tpr);
6123         return -ENOMEM;
6124 }
6125
6126 static void tg3_rx_prodring_fini(struct tg3 *tp,
6127                                  struct tg3_rx_prodring_set *tpr)
6128 {
6129         kfree(tpr->rx_std_buffers);
6130         tpr->rx_std_buffers = NULL;
6131         kfree(tpr->rx_jmb_buffers);
6132         tpr->rx_jmb_buffers = NULL;
6133         if (tpr->rx_std) {
6134                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
6135                                     tpr->rx_std, tpr->rx_std_mapping);
6136                 tpr->rx_std = NULL;
6137         }
6138         if (tpr->rx_jmb) {
6139                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
6140                                     tpr->rx_jmb, tpr->rx_jmb_mapping);
6141                 tpr->rx_jmb = NULL;
6142         }
6143 }
6144
6145 static int tg3_rx_prodring_init(struct tg3 *tp,
6146                                 struct tg3_rx_prodring_set *tpr)
6147 {
6148         tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
6149         if (!tpr->rx_std_buffers)
6150                 return -ENOMEM;
6151
6152         tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6153                                            &tpr->rx_std_mapping);
6154         if (!tpr->rx_std)
6155                 goto err_out;
6156
6157         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6158                 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
6159                                               GFP_KERNEL);
6160                 if (!tpr->rx_jmb_buffers)
6161                         goto err_out;
6162
6163                 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6164                                                    TG3_RX_JUMBO_RING_BYTES,
6165                                                    &tpr->rx_jmb_mapping);
6166                 if (!tpr->rx_jmb)
6167                         goto err_out;
6168         }
6169
6170         return 0;
6171
6172 err_out:
6173         tg3_rx_prodring_fini(tp, tpr);
6174         return -ENOMEM;
6175 }
6176
6177 /* Free up pending packets in all rx/tx rings.
6178  *
6179  * The chip has been shut down and the driver detached from
6180  * the networking, so no interrupts or new tx packets will
6181  * end up in the driver.  tp->{tx,}lock is not held and we are not
6182  * in an interrupt context and thus may sleep.
6183  */
6184 static void tg3_free_rings(struct tg3 *tp)
6185 {
6186         int i, j;
6187
6188         for (j = 0; j < tp->irq_cnt; j++) {
6189                 struct tg3_napi *tnapi = &tp->napi[j];
6190
6191                 if (!tnapi->tx_buffers)
6192                         continue;
6193
6194                 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6195                         struct ring_info *txp;
6196                         struct sk_buff *skb;
6197                         unsigned int k;
6198
6199                         txp = &tnapi->tx_buffers[i];
6200                         skb = txp->skb;
6201
6202                         if (skb == NULL) {
6203                                 i++;
6204                                 continue;
6205                         }
6206
6207                         pci_unmap_single(tp->pdev,
6208                                          pci_unmap_addr(txp, mapping),
6209                                          skb_headlen(skb),
6210                                          PCI_DMA_TODEVICE);
6211                         txp->skb = NULL;
6212
6213                         i++;
6214
6215                         for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6216                                 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6217                                 pci_unmap_page(tp->pdev,
6218                                                pci_unmap_addr(txp, mapping),
6219                                                skb_shinfo(skb)->frags[k].size,
6220                                                PCI_DMA_TODEVICE);
6221                                 i++;
6222                         }
6223
6224                         dev_kfree_skb_any(skb);
6225                 }
6226
6227                 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6228         }
6229 }
6230
6231 /* Initialize tx/rx rings for packet processing.
6232  *
6233  * The chip has been shut down and the driver detached from
6234  * the networking, so no interrupts or new tx packets will
6235  * end up in the driver.  tp->{tx,}lock are held and thus
6236  * we may not sleep.
6237  */
6238 static int tg3_init_rings(struct tg3 *tp)
6239 {
6240         int i;
6241
6242         /* Free up all the SKBs. */
6243         tg3_free_rings(tp);
6244
6245         for (i = 0; i < tp->irq_cnt; i++) {
6246                 struct tg3_napi *tnapi = &tp->napi[i];
6247
6248                 tnapi->last_tag = 0;
6249                 tnapi->last_irq_tag = 0;
6250                 tnapi->hw_status->status = 0;
6251                 tnapi->hw_status->status_tag = 0;
6252                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6253
6254                 tnapi->tx_prod = 0;
6255                 tnapi->tx_cons = 0;
6256                 if (tnapi->tx_ring)
6257                         memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6258
6259                 tnapi->rx_rcb_ptr = 0;
6260                 if (tnapi->rx_rcb)
6261                         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6262
6263                 if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
6264                         tg3_free_rings(tp);
6265                         return -ENOMEM;
6266                 }
6267         }
6268
6269         return 0;
6270 }
6271
6272 /*
6273  * Must not be invoked with interrupt sources disabled and
6274  * the hardware shutdown down.
6275  */
6276 static void tg3_free_consistent(struct tg3 *tp)
6277 {
6278         int i;
6279
6280         for (i = 0; i < tp->irq_cnt; i++) {
6281                 struct tg3_napi *tnapi = &tp->napi[i];
6282
6283                 if (tnapi->tx_ring) {
6284                         pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6285                                 tnapi->tx_ring, tnapi->tx_desc_mapping);
6286                         tnapi->tx_ring = NULL;
6287                 }
6288
6289                 kfree(tnapi->tx_buffers);
6290                 tnapi->tx_buffers = NULL;
6291
6292                 if (tnapi->rx_rcb) {
6293                         pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6294                                             tnapi->rx_rcb,
6295                                             tnapi->rx_rcb_mapping);
6296                         tnapi->rx_rcb = NULL;
6297                 }
6298
6299                 if (tnapi->hw_status) {
6300                         pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6301                                             tnapi->hw_status,
6302                                             tnapi->status_mapping);
6303                         tnapi->hw_status = NULL;
6304                 }
6305         }
6306
6307         if (tp->hw_stats) {
6308                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6309                                     tp->hw_stats, tp->stats_mapping);
6310                 tp->hw_stats = NULL;
6311         }
6312
6313         for (i = 0; i < tp->irq_cnt; i++)
6314                 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
6315 }
6316
6317 /*
6318  * Must not be invoked with interrupt sources disabled and
6319  * the hardware shutdown down.  Can sleep.
6320  */
6321 static int tg3_alloc_consistent(struct tg3 *tp)
6322 {
6323         int i;
6324
6325         for (i = 0; i < tp->irq_cnt; i++) {
6326                 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6327                         goto err_out;
6328         }
6329
6330         tp->hw_stats = pci_alloc_consistent(tp->pdev,
6331                                             sizeof(struct tg3_hw_stats),
6332                                             &tp->stats_mapping);
6333         if (!tp->hw_stats)
6334                 goto err_out;
6335
6336         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6337
6338         for (i = 0; i < tp->irq_cnt; i++) {
6339                 struct tg3_napi *tnapi = &tp->napi[i];
6340                 struct tg3_hw_status *sblk;
6341
6342                 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6343                                                         TG3_HW_STATUS_SIZE,
6344                                                         &tnapi->status_mapping);
6345                 if (!tnapi->hw_status)
6346                         goto err_out;
6347
6348                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6349                 sblk = tnapi->hw_status;
6350
6351                 /* If multivector TSS is enabled, vector 0 does not handle
6352                  * tx interrupts.  Don't allocate any resources for it.
6353                  */
6354                 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6355                     (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6356                         tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6357                                                     TG3_TX_RING_SIZE,
6358                                                     GFP_KERNEL);
6359                         if (!tnapi->tx_buffers)
6360                                 goto err_out;
6361
6362                         tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6363                                                               TG3_TX_RING_BYTES,
6364                                                        &tnapi->tx_desc_mapping);
6365                         if (!tnapi->tx_ring)
6366                                 goto err_out;
6367                 }
6368
6369                 /*
6370                  * When RSS is enabled, the status block format changes
6371                  * slightly.  The "rx_jumbo_consumer", "reserved",
6372                  * and "rx_mini_consumer" members get mapped to the
6373                  * other three rx return ring producer indexes.
6374                  */
6375                 switch (i) {
6376                 default:
6377                         tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6378                         break;
6379                 case 2:
6380                         tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6381                         break;
6382                 case 3:
6383                         tnapi->rx_rcb_prod_idx = &sblk->reserved;
6384                         break;
6385                 case 4:
6386                         tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6387                         break;
6388                 }
6389
6390                 tnapi->prodring = &tp->prodring[i];
6391
6392                 /*
6393                  * If multivector RSS is enabled, vector 0 does not handle
6394                  * rx or tx interrupts.  Don't allocate any resources for it.
6395                  */
6396                 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6397                         continue;
6398
6399                 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6400                                                      TG3_RX_RCB_RING_BYTES(tp),
6401                                                      &tnapi->rx_rcb_mapping);
6402                 if (!tnapi->rx_rcb)
6403                         goto err_out;
6404
6405                 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6406         }
6407
6408         return 0;
6409
6410 err_out:
6411         tg3_free_consistent(tp);
6412         return -ENOMEM;
6413 }
6414
6415 #define MAX_WAIT_CNT 1000
6416
6417 /* To stop a block, clear the enable bit and poll till it
6418  * clears.  tp->lock is held.
6419  */
6420 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6421 {
6422         unsigned int i;
6423         u32 val;
6424
6425         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6426                 switch (ofs) {
6427                 case RCVLSC_MODE:
6428                 case DMAC_MODE:
6429                 case MBFREE_MODE:
6430                 case BUFMGR_MODE:
6431                 case MEMARB_MODE:
6432                         /* We can't enable/disable these bits of the
6433                          * 5705/5750, just say success.
6434                          */
6435                         return 0;
6436
6437                 default:
6438                         break;
6439                 }
6440         }
6441
6442         val = tr32(ofs);
6443         val &= ~enable_bit;
6444         tw32_f(ofs, val);
6445
6446         for (i = 0; i < MAX_WAIT_CNT; i++) {
6447                 udelay(100);
6448                 val = tr32(ofs);
6449                 if ((val & enable_bit) == 0)
6450                         break;
6451         }
6452
6453         if (i == MAX_WAIT_CNT && !silent) {
6454                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
6455                        "ofs=%lx enable_bit=%x\n",
6456                        ofs, enable_bit);
6457                 return -ENODEV;
6458         }
6459
6460         return 0;
6461 }
6462
6463 /* tp->lock is held. */
6464 static int tg3_abort_hw(struct tg3 *tp, int silent)
6465 {
6466         int i, err;
6467
6468         tg3_disable_ints(tp);
6469
6470         tp->rx_mode &= ~RX_MODE_ENABLE;
6471         tw32_f(MAC_RX_MODE, tp->rx_mode);
6472         udelay(10);
6473
6474         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6475         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6476         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6477         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6478         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6479         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6480
6481         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6482         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6483         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6484         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6485         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6486         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6487         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6488
6489         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6490         tw32_f(MAC_MODE, tp->mac_mode);
6491         udelay(40);
6492
6493         tp->tx_mode &= ~TX_MODE_ENABLE;
6494         tw32_f(MAC_TX_MODE, tp->tx_mode);
6495
6496         for (i = 0; i < MAX_WAIT_CNT; i++) {
6497                 udelay(100);
6498                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6499                         break;
6500         }
6501         if (i >= MAX_WAIT_CNT) {
6502                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
6503                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6504                        tp->dev->name, tr32(MAC_TX_MODE));
6505                 err |= -ENODEV;
6506         }
6507
6508         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6509         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6510         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6511
6512         tw32(FTQ_RESET, 0xffffffff);
6513         tw32(FTQ_RESET, 0x00000000);
6514
6515         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6516         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6517
6518         for (i = 0; i < tp->irq_cnt; i++) {
6519                 struct tg3_napi *tnapi = &tp->napi[i];
6520                 if (tnapi->hw_status)
6521                         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6522         }
6523         if (tp->hw_stats)
6524                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6525
6526         return err;
6527 }
6528
6529 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6530 {
6531         int i;
6532         u32 apedata;
6533
6534         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6535         if (apedata != APE_SEG_SIG_MAGIC)
6536                 return;
6537
6538         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6539         if (!(apedata & APE_FW_STATUS_READY))
6540                 return;
6541
6542         /* Wait for up to 1 millisecond for APE to service previous event. */
6543         for (i = 0; i < 10; i++) {
6544                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6545                         return;
6546
6547                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6548
6549                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6550                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6551                                         event | APE_EVENT_STATUS_EVENT_PENDING);
6552
6553                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6554
6555                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6556                         break;
6557
6558                 udelay(100);
6559         }
6560
6561         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6562                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6563 }
6564
6565 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6566 {
6567         u32 event;
6568         u32 apedata;
6569
6570         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6571                 return;
6572
6573         switch (kind) {
6574                 case RESET_KIND_INIT:
6575                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6576                                         APE_HOST_SEG_SIG_MAGIC);
6577                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6578                                         APE_HOST_SEG_LEN_MAGIC);
6579                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6580                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6581                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6582                                         APE_HOST_DRIVER_ID_MAGIC);
6583                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6584                                         APE_HOST_BEHAV_NO_PHYLOCK);
6585
6586                         event = APE_EVENT_STATUS_STATE_START;
6587                         break;
6588                 case RESET_KIND_SHUTDOWN:
6589                         /* With the interface we are currently using,
6590                          * APE does not track driver state.  Wiping
6591                          * out the HOST SEGMENT SIGNATURE forces
6592                          * the APE to assume OS absent status.
6593                          */
6594                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6595
6596                         event = APE_EVENT_STATUS_STATE_UNLOAD;
6597                         break;
6598                 case RESET_KIND_SUSPEND:
6599                         event = APE_EVENT_STATUS_STATE_SUSPEND;
6600                         break;
6601                 default:
6602                         return;
6603         }
6604
6605         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6606
6607         tg3_ape_send_event(tp, event);
6608 }
6609
6610 /* tp->lock is held. */
6611 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6612 {
6613         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6614                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6615
6616         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6617                 switch (kind) {
6618                 case RESET_KIND_INIT:
6619                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6620                                       DRV_STATE_START);
6621                         break;
6622
6623                 case RESET_KIND_SHUTDOWN:
6624                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6625                                       DRV_STATE_UNLOAD);
6626                         break;
6627
6628                 case RESET_KIND_SUSPEND:
6629                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6630                                       DRV_STATE_SUSPEND);
6631                         break;
6632
6633                 default:
6634                         break;
6635                 }
6636         }
6637
6638         if (kind == RESET_KIND_INIT ||
6639             kind == RESET_KIND_SUSPEND)
6640                 tg3_ape_driver_state_change(tp, kind);
6641 }
6642
6643 /* tp->lock is held. */
6644 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6645 {
6646         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6647                 switch (kind) {
6648                 case RESET_KIND_INIT:
6649                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6650                                       DRV_STATE_START_DONE);
6651                         break;
6652
6653                 case RESET_KIND_SHUTDOWN:
6654                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6655                                       DRV_STATE_UNLOAD_DONE);
6656                         break;
6657
6658                 default:
6659                         break;
6660                 }
6661         }
6662
6663         if (kind == RESET_KIND_SHUTDOWN)
6664                 tg3_ape_driver_state_change(tp, kind);
6665 }
6666
6667 /* tp->lock is held. */
6668 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6669 {
6670         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6671                 switch (kind) {
6672                 case RESET_KIND_INIT:
6673                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6674                                       DRV_STATE_START);
6675                         break;
6676
6677                 case RESET_KIND_SHUTDOWN:
6678                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6679                                       DRV_STATE_UNLOAD);
6680                         break;
6681
6682                 case RESET_KIND_SUSPEND:
6683                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6684                                       DRV_STATE_SUSPEND);
6685                         break;
6686
6687                 default:
6688                         break;
6689                 }
6690         }
6691 }
6692
6693 static int tg3_poll_fw(struct tg3 *tp)
6694 {
6695         int i;
6696         u32 val;
6697
6698         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6699                 /* Wait up to 20ms for init done. */
6700                 for (i = 0; i < 200; i++) {
6701                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6702                                 return 0;
6703                         udelay(100);
6704                 }
6705                 return -ENODEV;
6706         }
6707
6708         /* Wait for firmware initialization to complete. */
6709         for (i = 0; i < 100000; i++) {
6710                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6711                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6712                         break;
6713                 udelay(10);
6714         }
6715
6716         /* Chip might not be fitted with firmware.  Some Sun onboard
6717          * parts are configured like that.  So don't signal the timeout
6718          * of the above loop as an error, but do report the lack of
6719          * running firmware once.
6720          */
6721         if (i >= 100000 &&
6722             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6723                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6724
6725                 printk(KERN_INFO PFX "%s: No firmware running.\n",
6726                        tp->dev->name);
6727         }
6728
6729         if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6730                 /* The 57765 A0 needs a little more
6731                  * time to do some important work.
6732                  */
6733                 mdelay(10);
6734         }
6735
6736         return 0;
6737 }
6738
6739 /* Save PCI command register before chip reset */
6740 static void tg3_save_pci_state(struct tg3 *tp)
6741 {
6742         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6743 }
6744
6745 /* Restore PCI state after chip reset */
6746 static void tg3_restore_pci_state(struct tg3 *tp)
6747 {
6748         u32 val;
6749
6750         /* Re-enable indirect register accesses. */
6751         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6752                                tp->misc_host_ctrl);
6753
6754         /* Set MAX PCI retry to zero. */
6755         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6756         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6757             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6758                 val |= PCISTATE_RETRY_SAME_DMA;
6759         /* Allow reads and writes to the APE register and memory space. */
6760         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6761                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6762                        PCISTATE_ALLOW_APE_SHMEM_WR;
6763         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6764
6765         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6766
6767         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6768                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6769                         pcie_set_readrq(tp->pdev, 4096);
6770                 else {
6771                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6772                                               tp->pci_cacheline_sz);
6773                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6774                                               tp->pci_lat_timer);
6775                 }
6776         }
6777
6778         /* Make sure PCI-X relaxed ordering bit is clear. */
6779         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6780                 u16 pcix_cmd;
6781
6782                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6783                                      &pcix_cmd);
6784                 pcix_cmd &= ~PCI_X_CMD_ERO;
6785                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6786                                       pcix_cmd);
6787         }
6788
6789         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6790
6791                 /* Chip reset on 5780 will reset MSI enable bit,
6792                  * so need to restore it.
6793                  */
6794                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6795                         u16 ctrl;
6796
6797                         pci_read_config_word(tp->pdev,
6798                                              tp->msi_cap + PCI_MSI_FLAGS,
6799                                              &ctrl);
6800                         pci_write_config_word(tp->pdev,
6801                                               tp->msi_cap + PCI_MSI_FLAGS,
6802                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6803                         val = tr32(MSGINT_MODE);
6804                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6805                 }
6806         }
6807 }
6808
6809 static void tg3_stop_fw(struct tg3 *);
6810
6811 /* tp->lock is held. */
6812 static int tg3_chip_reset(struct tg3 *tp)
6813 {
6814         u32 val;
6815         void (*write_op)(struct tg3 *, u32, u32);
6816         int i, err;
6817
6818         tg3_nvram_lock(tp);
6819
6820         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6821
6822         /* No matching tg3_nvram_unlock() after this because
6823          * chip reset below will undo the nvram lock.
6824          */
6825         tp->nvram_lock_cnt = 0;
6826
6827         /* GRC_MISC_CFG core clock reset will clear the memory
6828          * enable bit in PCI register 4 and the MSI enable bit
6829          * on some chips, so we save relevant registers here.
6830          */
6831         tg3_save_pci_state(tp);
6832
6833         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6834             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6835                 tw32(GRC_FASTBOOT_PC, 0);
6836
6837         /*
6838          * We must avoid the readl() that normally takes place.
6839          * It locks machines, causes machine checks, and other
6840          * fun things.  So, temporarily disable the 5701
6841          * hardware workaround, while we do the reset.
6842          */
6843         write_op = tp->write32;
6844         if (write_op == tg3_write_flush_reg32)
6845                 tp->write32 = tg3_write32;
6846
6847         /* Prevent the irq handler from reading or writing PCI registers
6848          * during chip reset when the memory enable bit in the PCI command
6849          * register may be cleared.  The chip does not generate interrupt
6850          * at this time, but the irq handler may still be called due to irq
6851          * sharing or irqpoll.
6852          */
6853         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6854         for (i = 0; i < tp->irq_cnt; i++) {
6855                 struct tg3_napi *tnapi = &tp->napi[i];
6856                 if (tnapi->hw_status) {
6857                         tnapi->hw_status->status = 0;
6858                         tnapi->hw_status->status_tag = 0;
6859                 }
6860                 tnapi->last_tag = 0;
6861                 tnapi->last_irq_tag = 0;
6862         }
6863         smp_mb();
6864
6865         for (i = 0; i < tp->irq_cnt; i++)
6866                 synchronize_irq(tp->napi[i].irq_vec);
6867
6868         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6869                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6870                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6871         }
6872
6873         /* do the reset */
6874         val = GRC_MISC_CFG_CORECLK_RESET;
6875
6876         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6877                 if (tr32(0x7e2c) == 0x60) {
6878                         tw32(0x7e2c, 0x20);
6879                 }
6880                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6881                         tw32(GRC_MISC_CFG, (1 << 29));
6882                         val |= (1 << 29);
6883                 }
6884         }
6885
6886         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6887                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6888                 tw32(GRC_VCPU_EXT_CTRL,
6889                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6890         }
6891
6892         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6893                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6894         tw32(GRC_MISC_CFG, val);
6895
6896         /* restore 5701 hardware bug workaround write method */
6897         tp->write32 = write_op;
6898
6899         /* Unfortunately, we have to delay before the PCI read back.
6900          * Some 575X chips even will not respond to a PCI cfg access
6901          * when the reset command is given to the chip.
6902          *
6903          * How do these hardware designers expect things to work
6904          * properly if the PCI write is posted for a long period
6905          * of time?  It is always necessary to have some method by
6906          * which a register read back can occur to push the write
6907          * out which does the reset.
6908          *
6909          * For most tg3 variants the trick below was working.
6910          * Ho hum...
6911          */
6912         udelay(120);
6913
6914         /* Flush PCI posted writes.  The normal MMIO registers
6915          * are inaccessible at this time so this is the only
6916          * way to make this reliably (actually, this is no longer
6917          * the case, see above).  I tried to use indirect
6918          * register read/write but this upset some 5701 variants.
6919          */
6920         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6921
6922         udelay(120);
6923
6924         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6925                 u16 val16;
6926
6927                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6928                         int i;
6929                         u32 cfg_val;
6930
6931                         /* Wait for link training to complete.  */
6932                         for (i = 0; i < 5000; i++)
6933                                 udelay(100);
6934
6935                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6936                         pci_write_config_dword(tp->pdev, 0xc4,
6937                                                cfg_val | (1 << 15));
6938                 }
6939
6940                 /* Clear the "no snoop" and "relaxed ordering" bits. */
6941                 pci_read_config_word(tp->pdev,
6942                                      tp->pcie_cap + PCI_EXP_DEVCTL,
6943                                      &val16);
6944                 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6945                            PCI_EXP_DEVCTL_NOSNOOP_EN);
6946                 /*
6947                  * Older PCIe devices only support the 128 byte
6948                  * MPS setting.  Enforce the restriction.
6949                  */
6950                 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6951                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6952                         val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6953                 pci_write_config_word(tp->pdev,
6954                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6955                                       val16);
6956
6957                 pcie_set_readrq(tp->pdev, 4096);
6958
6959                 /* Clear error status */
6960                 pci_write_config_word(tp->pdev,
6961                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6962                                       PCI_EXP_DEVSTA_CED |
6963                                       PCI_EXP_DEVSTA_NFED |
6964                                       PCI_EXP_DEVSTA_FED |
6965                                       PCI_EXP_DEVSTA_URD);
6966         }
6967
6968         tg3_restore_pci_state(tp);
6969
6970         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6971
6972         val = 0;
6973         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6974                 val = tr32(MEMARB_MODE);
6975         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6976
6977         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6978                 tg3_stop_fw(tp);
6979                 tw32(0x5000, 0x400);
6980         }
6981
6982         tw32(GRC_MODE, tp->grc_mode);
6983
6984         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6985                 val = tr32(0xc4);
6986
6987                 tw32(0xc4, val | (1 << 15));
6988         }
6989
6990         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6991             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6992                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6993                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6994                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6995                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6996         }
6997
6998         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6999                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
7000                 tw32_f(MAC_MODE, tp->mac_mode);
7001         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7002                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
7003                 tw32_f(MAC_MODE, tp->mac_mode);
7004         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7005                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
7006                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
7007                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
7008                 tw32_f(MAC_MODE, tp->mac_mode);
7009         } else
7010                 tw32_f(MAC_MODE, 0);
7011         udelay(40);
7012
7013         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
7014
7015         err = tg3_poll_fw(tp);
7016         if (err)
7017                 return err;
7018
7019         tg3_mdio_start(tp);
7020
7021         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7022                 u8 phy_addr;
7023
7024                 phy_addr = tp->phy_addr;
7025                 tp->phy_addr = TG3_PHY_PCIE_ADDR;
7026
7027                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7028                              TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
7029                 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
7030                       TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
7031                       TG3_PCIEPHY_TX0CTRL1_NB_EN;
7032                 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
7033                 udelay(10);
7034
7035                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7036                              TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
7037                 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
7038                       TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
7039                 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
7040                 udelay(10);
7041
7042                 tp->phy_addr = phy_addr;
7043         }
7044
7045         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7046             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7047             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7048             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
7049             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
7050                 val = tr32(0x7c00);
7051
7052                 tw32(0x7c00, val | (1 << 25));
7053         }
7054
7055         /* Reprobe ASF enable state.  */
7056         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7057         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7058         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7059         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7060                 u32 nic_cfg;
7061
7062                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7063                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7064                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7065                         tp->last_event_jiffies = jiffies;
7066                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7067                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7068                 }
7069         }
7070
7071         return 0;
7072 }
7073
7074 /* tp->lock is held. */
7075 static void tg3_stop_fw(struct tg3 *tp)
7076 {
7077         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7078            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7079                 /* Wait for RX cpu to ACK the previous event. */
7080                 tg3_wait_for_event_ack(tp);
7081
7082                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7083
7084                 tg3_generate_fw_event(tp);
7085
7086                 /* Wait for RX cpu to ACK this event. */
7087                 tg3_wait_for_event_ack(tp);
7088         }
7089 }
7090
7091 /* tp->lock is held. */
7092 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7093 {
7094         int err;
7095
7096         tg3_stop_fw(tp);
7097
7098         tg3_write_sig_pre_reset(tp, kind);
7099
7100         tg3_abort_hw(tp, silent);
7101         err = tg3_chip_reset(tp);
7102
7103         __tg3_set_mac_addr(tp, 0);
7104
7105         tg3_write_sig_legacy(tp, kind);
7106         tg3_write_sig_post_reset(tp, kind);
7107
7108         if (err)
7109                 return err;
7110
7111         return 0;
7112 }
7113
7114 #define RX_CPU_SCRATCH_BASE     0x30000
7115 #define RX_CPU_SCRATCH_SIZE     0x04000
7116 #define TX_CPU_SCRATCH_BASE     0x34000
7117 #define TX_CPU_SCRATCH_SIZE     0x04000
7118
7119 /* tp->lock is held. */
7120 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7121 {
7122         int i;
7123
7124         BUG_ON(offset == TX_CPU_BASE &&
7125             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7126
7127         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7128                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7129
7130                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7131                 return 0;
7132         }
7133         if (offset == RX_CPU_BASE) {
7134                 for (i = 0; i < 10000; i++) {
7135                         tw32(offset + CPU_STATE, 0xffffffff);
7136                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7137                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7138                                 break;
7139                 }
7140
7141                 tw32(offset + CPU_STATE, 0xffffffff);
7142                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
7143                 udelay(10);
7144         } else {
7145                 for (i = 0; i < 10000; i++) {
7146                         tw32(offset + CPU_STATE, 0xffffffff);
7147                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7148                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7149                                 break;
7150                 }
7151         }
7152
7153         if (i >= 10000) {
7154                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
7155                        "and %s CPU\n",
7156                        tp->dev->name,
7157                        (offset == RX_CPU_BASE ? "RX" : "TX"));
7158                 return -ENODEV;
7159         }
7160
7161         /* Clear firmware's nvram arbitration. */
7162         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7163                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7164         return 0;
7165 }
7166
7167 struct fw_info {
7168         unsigned int fw_base;
7169         unsigned int fw_len;
7170         const __be32 *fw_data;
7171 };
7172
7173 /* tp->lock is held. */
7174 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7175                                  int cpu_scratch_size, struct fw_info *info)
7176 {
7177         int err, lock_err, i;
7178         void (*write_op)(struct tg3 *, u32, u32);
7179
7180         if (cpu_base == TX_CPU_BASE &&
7181             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7182                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
7183                        "TX cpu firmware on %s which is 5705.\n",
7184                        tp->dev->name);
7185                 return -EINVAL;
7186         }
7187
7188         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7189                 write_op = tg3_write_mem;
7190         else
7191                 write_op = tg3_write_indirect_reg32;
7192
7193         /* It is possible that bootcode is still loading at this point.
7194          * Get the nvram lock first before halting the cpu.
7195          */
7196         lock_err = tg3_nvram_lock(tp);
7197         err = tg3_halt_cpu(tp, cpu_base);
7198         if (!lock_err)
7199                 tg3_nvram_unlock(tp);
7200         if (err)
7201                 goto out;
7202
7203         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7204                 write_op(tp, cpu_scratch_base + i, 0);
7205         tw32(cpu_base + CPU_STATE, 0xffffffff);
7206         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7207         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7208                 write_op(tp, (cpu_scratch_base +
7209                               (info->fw_base & 0xffff) +
7210                               (i * sizeof(u32))),
7211                               be32_to_cpu(info->fw_data[i]));
7212
7213         err = 0;
7214
7215 out:
7216         return err;
7217 }
7218
7219 /* tp->lock is held. */
7220 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7221 {
7222         struct fw_info info;
7223         const __be32 *fw_data;
7224         int err, i;
7225
7226         fw_data = (void *)tp->fw->data;
7227
7228         /* Firmware blob starts with version numbers, followed by
7229            start address and length. We are setting complete length.
7230            length = end_address_of_bss - start_address_of_text.
7231            Remainder is the blob to be loaded contiguously
7232            from start address. */
7233
7234         info.fw_base = be32_to_cpu(fw_data[1]);
7235         info.fw_len = tp->fw->size - 12;
7236         info.fw_data = &fw_data[3];
7237
7238         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7239                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7240                                     &info);
7241         if (err)
7242                 return err;
7243
7244         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7245                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7246                                     &info);
7247         if (err)
7248                 return err;
7249
7250         /* Now startup only the RX cpu. */
7251         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7252         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7253
7254         for (i = 0; i < 5; i++) {
7255                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7256                         break;
7257                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7258                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
7259                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7260                 udelay(1000);
7261         }
7262         if (i >= 5) {
7263                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
7264                        "to set RX CPU PC, is %08x should be %08x\n",
7265                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
7266                        info.fw_base);
7267                 return -ENODEV;
7268         }
7269         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7270         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
7271
7272         return 0;
7273 }
7274
7275 /* 5705 needs a special version of the TSO firmware.  */
7276
7277 /* tp->lock is held. */
7278 static int tg3_load_tso_firmware(struct tg3 *tp)
7279 {
7280         struct fw_info info;
7281         const __be32 *fw_data;
7282         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7283         int err, i;
7284
7285         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7286                 return 0;
7287
7288         fw_data = (void *)tp->fw->data;
7289
7290         /* Firmware blob starts with version numbers, followed by
7291            start address and length. We are setting complete length.
7292            length = end_address_of_bss - start_address_of_text.
7293            Remainder is the blob to be loaded contiguously
7294            from start address. */
7295
7296         info.fw_base = be32_to_cpu(fw_data[1]);
7297         cpu_scratch_size = tp->fw_len;
7298         info.fw_len = tp->fw->size - 12;
7299         info.fw_data = &fw_data[3];
7300
7301         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7302                 cpu_base = RX_CPU_BASE;
7303                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7304         } else {
7305                 cpu_base = TX_CPU_BASE;
7306                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7307                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7308         }
7309
7310         err = tg3_load_firmware_cpu(tp, cpu_base,
7311                                     cpu_scratch_base, cpu_scratch_size,
7312                                     &info);
7313         if (err)
7314                 return err;
7315
7316         /* Now startup the cpu. */
7317         tw32(cpu_base + CPU_STATE, 0xffffffff);
7318         tw32_f(cpu_base + CPU_PC, info.fw_base);
7319
7320         for (i = 0; i < 5; i++) {
7321                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7322                         break;
7323                 tw32(cpu_base + CPU_STATE, 0xffffffff);
7324                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
7325                 tw32_f(cpu_base + CPU_PC, info.fw_base);
7326                 udelay(1000);
7327         }
7328         if (i >= 5) {
7329                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
7330                        "to set CPU PC, is %08x should be %08x\n",
7331                        tp->dev->name, tr32(cpu_base + CPU_PC),
7332                        info.fw_base);
7333                 return -ENODEV;
7334         }
7335         tw32(cpu_base + CPU_STATE, 0xffffffff);
7336         tw32_f(cpu_base + CPU_MODE,  0x00000000);
7337         return 0;
7338 }
7339
7340
7341 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7342 {
7343         struct tg3 *tp = netdev_priv(dev);
7344         struct sockaddr *addr = p;
7345         int err = 0, skip_mac_1 = 0;
7346
7347         if (!is_valid_ether_addr(addr->sa_data))
7348                 return -EINVAL;
7349
7350         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7351
7352         if (!netif_running(dev))
7353                 return 0;
7354
7355         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7356                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7357
7358                 addr0_high = tr32(MAC_ADDR_0_HIGH);
7359                 addr0_low = tr32(MAC_ADDR_0_LOW);
7360                 addr1_high = tr32(MAC_ADDR_1_HIGH);
7361                 addr1_low = tr32(MAC_ADDR_1_LOW);
7362
7363                 /* Skip MAC addr 1 if ASF is using it. */
7364                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7365                     !(addr1_high == 0 && addr1_low == 0))
7366                         skip_mac_1 = 1;
7367         }
7368         spin_lock_bh(&tp->lock);
7369         __tg3_set_mac_addr(tp, skip_mac_1);
7370         spin_unlock_bh(&tp->lock);
7371
7372         return err;
7373 }
7374
7375 /* tp->lock is held. */
7376 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7377                            dma_addr_t mapping, u32 maxlen_flags,
7378                            u32 nic_addr)
7379 {
7380         tg3_write_mem(tp,
7381                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7382                       ((u64) mapping >> 32));
7383         tg3_write_mem(tp,
7384                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7385                       ((u64) mapping & 0xffffffff));
7386         tg3_write_mem(tp,
7387                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7388                        maxlen_flags);
7389
7390         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7391                 tg3_write_mem(tp,
7392                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7393                               nic_addr);
7394 }
7395
7396 static void __tg3_set_rx_mode(struct net_device *);
7397 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7398 {
7399         int i;
7400
7401         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7402                 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7403                 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7404                 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7405         } else {
7406                 tw32(HOSTCC_TXCOL_TICKS, 0);
7407                 tw32(HOSTCC_TXMAX_FRAMES, 0);
7408                 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7409         }
7410
7411         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7412                 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7413                 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7414                 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7415         } else {
7416                 tw32(HOSTCC_RXCOL_TICKS, 0);
7417                 tw32(HOSTCC_RXMAX_FRAMES, 0);
7418                 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7419         }
7420
7421         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7422                 u32 val = ec->stats_block_coalesce_usecs;
7423
7424                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7425                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7426
7427                 if (!netif_carrier_ok(tp->dev))
7428                         val = 0;
7429
7430                 tw32(HOSTCC_STAT_COAL_TICKS, val);
7431         }
7432
7433         for (i = 0; i < tp->irq_cnt - 1; i++) {
7434                 u32 reg;
7435
7436                 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7437                 tw32(reg, ec->rx_coalesce_usecs);
7438                 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7439                 tw32(reg, ec->rx_max_coalesced_frames);
7440                 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7441                 tw32(reg, ec->rx_max_coalesced_frames_irq);
7442
7443                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7444                         reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7445                         tw32(reg, ec->tx_coalesce_usecs);
7446                         reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7447                         tw32(reg, ec->tx_max_coalesced_frames);
7448                         reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7449                         tw32(reg, ec->tx_max_coalesced_frames_irq);
7450                 }
7451         }
7452
7453         for (; i < tp->irq_max - 1; i++) {
7454                 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7455                 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7456                 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7457
7458                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7459                         tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7460                         tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7461                         tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7462                 }
7463         }
7464 }
7465
7466 /* tp->lock is held. */
7467 static void tg3_rings_reset(struct tg3 *tp)
7468 {
7469         int i;
7470         u32 stblk, txrcb, rxrcb, limit;
7471         struct tg3_napi *tnapi = &tp->napi[0];
7472
7473         /* Disable all transmit rings but the first. */
7474         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7475                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7476         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7477                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7478         else
7479                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7480
7481         for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7482              txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7483                 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7484                               BDINFO_FLAGS_DISABLED);
7485
7486
7487         /* Disable all receive return rings but the first. */
7488         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7489                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7490         else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7491                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7492         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7493                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7494                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7495         else
7496                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7497
7498         for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7499              rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7500                 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7501                               BDINFO_FLAGS_DISABLED);
7502
7503         /* Disable interrupts */
7504         tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7505
7506         /* Zero mailbox registers. */
7507         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7508                 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7509                         tp->napi[i].tx_prod = 0;
7510                         tp->napi[i].tx_cons = 0;
7511                         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7512                                 tw32_mailbox(tp->napi[i].prodmbox, 0);
7513                         tw32_rx_mbox(tp->napi[i].consmbox, 0);
7514                         tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7515                 }
7516                 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7517                         tw32_mailbox(tp->napi[0].prodmbox, 0);
7518         } else {
7519                 tp->napi[0].tx_prod = 0;
7520                 tp->napi[0].tx_cons = 0;
7521                 tw32_mailbox(tp->napi[0].prodmbox, 0);
7522                 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7523         }
7524
7525         /* Make sure the NIC-based send BD rings are disabled. */
7526         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7527                 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7528                 for (i = 0; i < 16; i++)
7529                         tw32_tx_mbox(mbox + i * 8, 0);
7530         }
7531
7532         txrcb = NIC_SRAM_SEND_RCB;
7533         rxrcb = NIC_SRAM_RCV_RET_RCB;
7534
7535         /* Clear status block in ram. */
7536         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7537
7538         /* Set status block DMA address */
7539         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7540              ((u64) tnapi->status_mapping >> 32));
7541         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7542              ((u64) tnapi->status_mapping & 0xffffffff));
7543
7544         if (tnapi->tx_ring) {
7545                 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7546                                (TG3_TX_RING_SIZE <<
7547                                 BDINFO_FLAGS_MAXLEN_SHIFT),
7548                                NIC_SRAM_TX_BUFFER_DESC);
7549                 txrcb += TG3_BDINFO_SIZE;
7550         }
7551
7552         if (tnapi->rx_rcb) {
7553                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7554                                (TG3_RX_RCB_RING_SIZE(tp) <<
7555                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7556                 rxrcb += TG3_BDINFO_SIZE;
7557         }
7558
7559         stblk = HOSTCC_STATBLCK_RING1;
7560
7561         for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7562                 u64 mapping = (u64)tnapi->status_mapping;
7563                 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7564                 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7565
7566                 /* Clear status block in ram. */
7567                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7568
7569                 if (tnapi->tx_ring) {
7570                         tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7571                                        (TG3_TX_RING_SIZE <<
7572                                         BDINFO_FLAGS_MAXLEN_SHIFT),
7573                                        NIC_SRAM_TX_BUFFER_DESC);
7574                         txrcb += TG3_BDINFO_SIZE;
7575                 }
7576
7577                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7578                                (TG3_RX_RCB_RING_SIZE(tp) <<
7579                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7580
7581                 stblk += 8;
7582                 rxrcb += TG3_BDINFO_SIZE;
7583         }
7584 }
7585
7586 /* tp->lock is held. */
7587 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7588 {
7589         u32 val, rdmac_mode;
7590         int i, err, limit;
7591         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7592
7593         tg3_disable_ints(tp);
7594
7595         tg3_stop_fw(tp);
7596
7597         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7598
7599         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
7600                 tg3_abort_hw(tp, 1);
7601         }
7602
7603         if (reset_phy)
7604                 tg3_phy_reset(tp);
7605
7606         err = tg3_chip_reset(tp);
7607         if (err)
7608                 return err;
7609
7610         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7611
7612         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7613                 val = tr32(TG3_CPMU_CTRL);
7614                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7615                 tw32(TG3_CPMU_CTRL, val);
7616
7617                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7618                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7619                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7620                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7621
7622                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7623                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7624                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7625                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7626
7627                 val = tr32(TG3_CPMU_HST_ACC);
7628                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7629                 val |= CPMU_HST_ACC_MACCLK_6_25;
7630                 tw32(TG3_CPMU_HST_ACC, val);
7631         }
7632
7633         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7634                 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7635                 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7636                        PCIE_PWR_MGMT_L1_THRESH_4MS;
7637                 tw32(PCIE_PWR_MGMT_THRESH, val);
7638
7639                 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7640                 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7641
7642                 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7643
7644                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7645                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7646         }
7647
7648         if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7649                 u32 grc_mode = tr32(GRC_MODE);
7650
7651                 /* Access the lower 1K of PL PCIE block registers. */
7652                 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7653                 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7654
7655                 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7656                 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7657                      val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7658
7659                 tw32(GRC_MODE, grc_mode);
7660         }
7661
7662         /* This works around an issue with Athlon chipsets on
7663          * B3 tigon3 silicon.  This bit has no effect on any
7664          * other revision.  But do not set this on PCI Express
7665          * chips and don't even touch the clocks if the CPMU is present.
7666          */
7667         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7668                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7669                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7670                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7671         }
7672
7673         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7674             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7675                 val = tr32(TG3PCI_PCISTATE);
7676                 val |= PCISTATE_RETRY_SAME_DMA;
7677                 tw32(TG3PCI_PCISTATE, val);
7678         }
7679
7680         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7681                 /* Allow reads and writes to the
7682                  * APE register and memory space.
7683                  */
7684                 val = tr32(TG3PCI_PCISTATE);
7685                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7686                        PCISTATE_ALLOW_APE_SHMEM_WR;
7687                 tw32(TG3PCI_PCISTATE, val);
7688         }
7689
7690         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7691                 /* Enable some hw fixes.  */
7692                 val = tr32(TG3PCI_MSI_DATA);
7693                 val |= (1 << 26) | (1 << 28) | (1 << 29);
7694                 tw32(TG3PCI_MSI_DATA, val);
7695         }
7696
7697         /* Descriptor ring init may make accesses to the
7698          * NIC SRAM area to setup the TX descriptors, so we
7699          * can only do this after the hardware has been
7700          * successfully reset.
7701          */
7702         err = tg3_init_rings(tp);
7703         if (err)
7704                 return err;
7705
7706         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7707             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7708                 val = tr32(TG3PCI_DMA_RW_CTRL) &
7709                       ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7710                 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7711         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7712                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7713                 /* This value is determined during the probe time DMA
7714                  * engine test, tg3_test_dma.
7715                  */
7716                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7717         }
7718
7719         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7720                           GRC_MODE_4X_NIC_SEND_RINGS |
7721                           GRC_MODE_NO_TX_PHDR_CSUM |
7722                           GRC_MODE_NO_RX_PHDR_CSUM);
7723         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7724
7725         /* Pseudo-header checksum is done by hardware logic and not
7726          * the offload processers, so make the chip do the pseudo-
7727          * header checksums on receive.  For transmit it is more
7728          * convenient to do the pseudo-header checksum in software
7729          * as Linux does that on transmit for us in all cases.
7730          */
7731         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7732
7733         tw32(GRC_MODE,
7734              tp->grc_mode |
7735              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7736
7737         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
7738         val = tr32(GRC_MISC_CFG);
7739         val &= ~0xff;
7740         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7741         tw32(GRC_MISC_CFG, val);
7742
7743         /* Initialize MBUF/DESC pool. */
7744         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7745                 /* Do nothing.  */
7746         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7747                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7748                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7749                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7750                 else
7751                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7752                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7753                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7754         }
7755         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7756                 int fw_len;
7757
7758                 fw_len = tp->fw_len;
7759                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7760                 tw32(BUFMGR_MB_POOL_ADDR,
7761                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7762                 tw32(BUFMGR_MB_POOL_SIZE,
7763                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7764         }
7765
7766         if (tp->dev->mtu <= ETH_DATA_LEN) {
7767                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7768                      tp->bufmgr_config.mbuf_read_dma_low_water);
7769                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7770                      tp->bufmgr_config.mbuf_mac_rx_low_water);
7771                 tw32(BUFMGR_MB_HIGH_WATER,
7772                      tp->bufmgr_config.mbuf_high_water);
7773         } else {
7774                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7775                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7776                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7777                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7778                 tw32(BUFMGR_MB_HIGH_WATER,
7779                      tp->bufmgr_config.mbuf_high_water_jumbo);
7780         }
7781         tw32(BUFMGR_DMA_LOW_WATER,
7782              tp->bufmgr_config.dma_low_water);
7783         tw32(BUFMGR_DMA_HIGH_WATER,
7784              tp->bufmgr_config.dma_high_water);
7785
7786         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7787         for (i = 0; i < 2000; i++) {
7788                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7789                         break;
7790                 udelay(10);
7791         }
7792         if (i >= 2000) {
7793                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7794                        tp->dev->name);
7795                 return -ENODEV;
7796         }
7797
7798         /* Setup replenish threshold. */
7799         val = tp->rx_pending / 8;
7800         if (val == 0)
7801                 val = 1;
7802         else if (val > tp->rx_std_max_post)
7803                 val = tp->rx_std_max_post;
7804         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7805                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7806                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7807
7808                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7809                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7810         }
7811
7812         tw32(RCVBDI_STD_THRESH, val);
7813
7814         /* Initialize TG3_BDINFO's at:
7815          *  RCVDBDI_STD_BD:     standard eth size rx ring
7816          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
7817          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
7818          *
7819          * like so:
7820          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
7821          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
7822          *                              ring attribute flags
7823          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
7824          *
7825          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7826          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7827          *
7828          * The size of each ring is fixed in the firmware, but the location is
7829          * configurable.
7830          */
7831         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7832              ((u64) tpr->rx_std_mapping >> 32));
7833         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7834              ((u64) tpr->rx_std_mapping & 0xffffffff));
7835         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7836                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7837                      NIC_SRAM_RX_BUFFER_DESC);
7838
7839         /* Disable the mini ring */
7840         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7841                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7842                      BDINFO_FLAGS_DISABLED);
7843
7844         /* Program the jumbo buffer descriptor ring control
7845          * blocks on those devices that have them.
7846          */
7847         if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7848             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7849                 /* Setup replenish threshold. */
7850                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7851
7852                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7853                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7854                              ((u64) tpr->rx_jmb_mapping >> 32));
7855                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7856                              ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7857                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7858                              (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7859                              BDINFO_FLAGS_USE_EXT_RECV);
7860                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7861                                 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7862                                      NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7863                 } else {
7864                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7865                              BDINFO_FLAGS_DISABLED);
7866                 }
7867
7868                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7869                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7870                         val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7871                               (RX_STD_MAX_SIZE << 2);
7872                 else
7873                         val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7874         } else
7875                 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7876
7877         tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7878
7879         tpr->rx_std_prod_idx = tp->rx_pending;
7880         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
7881
7882         tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7883                           tp->rx_jumbo_pending : 0;
7884         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
7885
7886         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7887             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7888                 tw32(STD_REPLENISH_LWM, 32);
7889                 tw32(JMB_REPLENISH_LWM, 16);
7890         }
7891
7892         tg3_rings_reset(tp);
7893
7894         /* Initialize MAC address and backoff seed. */
7895         __tg3_set_mac_addr(tp, 0);
7896
7897         /* MTU + ethernet header + FCS + optional VLAN tag */
7898         tw32(MAC_RX_MTU_SIZE,
7899              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7900
7901         /* The slot time is changed by tg3_setup_phy if we
7902          * run at gigabit with half duplex.
7903          */
7904         tw32(MAC_TX_LENGTHS,
7905              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7906              (6 << TX_LENGTHS_IPG_SHIFT) |
7907              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7908
7909         /* Receive rules. */
7910         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7911         tw32(RCVLPC_CONFIG, 0x0181);
7912
7913         /* Calculate RDMAC_MODE setting early, we need it to determine
7914          * the RCVLPC_STATE_ENABLE mask.
7915          */
7916         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7917                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7918                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7919                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7920                       RDMAC_MODE_LNGREAD_ENAB);
7921
7922         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7923                 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
7924
7925         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7926             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7927             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7928                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7929                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7930                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7931
7932         /* If statement applies to 5705 and 5750 PCI devices only */
7933         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7934              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7935             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7936                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7937                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7938                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7939                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7940                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7941                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7942                 }
7943         }
7944
7945         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7946                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7947
7948         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7949                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7950
7951         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7952             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7953             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7954                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7955
7956         /* Receive/send statistics. */
7957         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7958                 val = tr32(RCVLPC_STATS_ENABLE);
7959                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7960                 tw32(RCVLPC_STATS_ENABLE, val);
7961         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7962                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7963                 val = tr32(RCVLPC_STATS_ENABLE);
7964                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7965                 tw32(RCVLPC_STATS_ENABLE, val);
7966         } else {
7967                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7968         }
7969         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7970         tw32(SNDDATAI_STATSENAB, 0xffffff);
7971         tw32(SNDDATAI_STATSCTRL,
7972              (SNDDATAI_SCTRL_ENABLE |
7973               SNDDATAI_SCTRL_FASTUPD));
7974
7975         /* Setup host coalescing engine. */
7976         tw32(HOSTCC_MODE, 0);
7977         for (i = 0; i < 2000; i++) {
7978                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7979                         break;
7980                 udelay(10);
7981         }
7982
7983         __tg3_set_coalesce(tp, &tp->coal);
7984
7985         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7986                 /* Status/statistics block address.  See tg3_timer,
7987                  * the tg3_periodic_fetch_stats call there, and
7988                  * tg3_get_stats to see how this works for 5705/5750 chips.
7989                  */
7990                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7991                      ((u64) tp->stats_mapping >> 32));
7992                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7993                      ((u64) tp->stats_mapping & 0xffffffff));
7994                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7995
7996                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7997
7998                 /* Clear statistics and status block memory areas */
7999                 for (i = NIC_SRAM_STATS_BLK;
8000                      i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
8001                      i += sizeof(u32)) {
8002                         tg3_write_mem(tp, i, 0);
8003                         udelay(40);
8004                 }
8005         }
8006
8007         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
8008
8009         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
8010         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
8011         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8012                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
8013
8014         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8015                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
8016                 /* reset to prevent losing 1st rx packet intermittently */
8017                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8018                 udelay(10);
8019         }
8020
8021         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8022                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
8023         else
8024                 tp->mac_mode = 0;
8025         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
8026                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
8027         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8028             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8029             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8030                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8031         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8032         udelay(40);
8033
8034         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8035          * If TG3_FLG2_IS_NIC is zero, we should read the
8036          * register to preserve the GPIO settings for LOMs. The GPIOs,
8037          * whether used as inputs or outputs, are set by boot code after
8038          * reset.
8039          */
8040         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8041                 u32 gpio_mask;
8042
8043                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8044                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8045                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8046
8047                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8048                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8049                                      GRC_LCLCTRL_GPIO_OUTPUT3;
8050
8051                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8052                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8053
8054                 tp->grc_local_ctrl &= ~gpio_mask;
8055                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8056
8057                 /* GPIO1 must be driven high for eeprom write protect */
8058                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8059                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8060                                                GRC_LCLCTRL_GPIO_OUTPUT1);
8061         }
8062         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8063         udelay(100);
8064
8065         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8066                 val = tr32(MSGINT_MODE);
8067                 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8068                 tw32(MSGINT_MODE, val);
8069         }
8070
8071         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8072                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8073                 udelay(40);
8074         }
8075
8076         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8077                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8078                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8079                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8080                WDMAC_MODE_LNGREAD_ENAB);
8081
8082         /* If statement applies to 5705 and 5750 PCI devices only */
8083         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8084              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8085             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8086                 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8087                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8088                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8089                         /* nothing */
8090                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8091                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8092                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8093                         val |= WDMAC_MODE_RX_ACCEL;
8094                 }
8095         }
8096
8097         /* Enable host coalescing bug fix */
8098         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8099                 val |= WDMAC_MODE_STATUS_TAG_FIX;
8100
8101         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8102                 val |= WDMAC_MODE_BURST_ALL_DATA;
8103
8104         tw32_f(WDMAC_MODE, val);
8105         udelay(40);
8106
8107         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8108                 u16 pcix_cmd;
8109
8110                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8111                                      &pcix_cmd);
8112                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8113                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8114                         pcix_cmd |= PCI_X_CMD_READ_2K;
8115                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8116                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8117                         pcix_cmd |= PCI_X_CMD_READ_2K;
8118                 }
8119                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8120                                       pcix_cmd);
8121         }
8122
8123         tw32_f(RDMAC_MODE, rdmac_mode);
8124         udelay(40);
8125
8126         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8127         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8128                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8129
8130         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8131                 tw32(SNDDATAC_MODE,
8132                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8133         else
8134                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8135
8136         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8137         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8138         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8139         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8140         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8141                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8142         val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8143         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8144                 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8145         tw32(SNDBDI_MODE, val);
8146         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8147
8148         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8149                 err = tg3_load_5701_a0_firmware_fix(tp);
8150                 if (err)
8151                         return err;
8152         }
8153
8154         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8155                 err = tg3_load_tso_firmware(tp);
8156                 if (err)
8157                         return err;
8158         }
8159
8160         tp->tx_mode = TX_MODE_ENABLE;
8161         tw32_f(MAC_TX_MODE, tp->tx_mode);
8162         udelay(100);
8163
8164         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8165                 u32 reg = MAC_RSS_INDIR_TBL_0;
8166                 u8 *ent = (u8 *)&val;
8167
8168                 /* Setup the indirection table */
8169                 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8170                         int idx = i % sizeof(val);
8171
8172                         ent[idx] = i % (tp->irq_cnt - 1);
8173                         if (idx == sizeof(val) - 1) {
8174                                 tw32(reg, val);
8175                                 reg += 4;
8176                         }
8177                 }
8178
8179                 /* Setup the "secret" hash key. */
8180                 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8181                 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8182                 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8183                 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8184                 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8185                 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8186                 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8187                 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8188                 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8189                 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8190         }
8191
8192         tp->rx_mode = RX_MODE_ENABLE;
8193         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8194                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8195
8196         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8197                 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8198                                RX_MODE_RSS_ITBL_HASH_BITS_7 |
8199                                RX_MODE_RSS_IPV6_HASH_EN |
8200                                RX_MODE_RSS_TCP_IPV6_HASH_EN |
8201                                RX_MODE_RSS_IPV4_HASH_EN |
8202                                RX_MODE_RSS_TCP_IPV4_HASH_EN;
8203
8204         tw32_f(MAC_RX_MODE, tp->rx_mode);
8205         udelay(10);
8206
8207         tw32(MAC_LED_CTRL, tp->led_ctrl);
8208
8209         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8210         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8211                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8212                 udelay(10);
8213         }
8214         tw32_f(MAC_RX_MODE, tp->rx_mode);
8215         udelay(10);
8216
8217         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8218                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8219                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
8220                         /* Set drive transmission level to 1.2V  */
8221                         /* only if the signal pre-emphasis bit is not set  */
8222                         val = tr32(MAC_SERDES_CFG);
8223                         val &= 0xfffff000;
8224                         val |= 0x880;
8225                         tw32(MAC_SERDES_CFG, val);
8226                 }
8227                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8228                         tw32(MAC_SERDES_CFG, 0x616000);
8229         }
8230
8231         /* Prevent chip from dropping frames when flow control
8232          * is enabled.
8233          */
8234         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8235                 val = 1;
8236         else
8237                 val = 2;
8238         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8239
8240         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8241             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8242                 /* Use hardware link auto-negotiation */
8243                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8244         }
8245
8246         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
8247             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8248                 u32 tmp;
8249
8250                 tmp = tr32(SERDES_RX_CTRL);
8251                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8252                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8253                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8254                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8255         }
8256
8257         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8258                 if (tp->link_config.phy_is_low_power) {
8259                         tp->link_config.phy_is_low_power = 0;
8260                         tp->link_config.speed = tp->link_config.orig_speed;
8261                         tp->link_config.duplex = tp->link_config.orig_duplex;
8262                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
8263                 }
8264
8265                 err = tg3_setup_phy(tp, 0);
8266                 if (err)
8267                         return err;
8268
8269                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8270                     !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
8271                         u32 tmp;
8272
8273                         /* Clear CRC stats. */
8274                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8275                                 tg3_writephy(tp, MII_TG3_TEST1,
8276                                              tmp | MII_TG3_TEST1_CRC_EN);
8277                                 tg3_readphy(tp, 0x14, &tmp);
8278                         }
8279                 }
8280         }
8281
8282         __tg3_set_rx_mode(tp->dev);
8283
8284         /* Initialize receive rules. */
8285         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
8286         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8287         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
8288         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8289
8290         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8291             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8292                 limit = 8;
8293         else
8294                 limit = 16;
8295         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8296                 limit -= 4;
8297         switch (limit) {
8298         case 16:
8299                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
8300         case 15:
8301                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
8302         case 14:
8303                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
8304         case 13:
8305                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
8306         case 12:
8307                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
8308         case 11:
8309                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
8310         case 10:
8311                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
8312         case 9:
8313                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
8314         case 8:
8315                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
8316         case 7:
8317                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
8318         case 6:
8319                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
8320         case 5:
8321                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
8322         case 4:
8323                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
8324         case 3:
8325                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
8326         case 2:
8327         case 1:
8328
8329         default:
8330                 break;
8331         }
8332
8333         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8334                 /* Write our heartbeat update interval to APE. */
8335                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8336                                 APE_HOST_HEARTBEAT_INT_DISABLE);
8337
8338         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8339
8340         return 0;
8341 }
8342
8343 /* Called at device open time to get the chip ready for
8344  * packet processing.  Invoked with tp->lock held.
8345  */
8346 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8347 {
8348         tg3_switch_clocks(tp);
8349
8350         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8351
8352         return tg3_reset_hw(tp, reset_phy);
8353 }
8354
8355 #define TG3_STAT_ADD32(PSTAT, REG) \
8356 do {    u32 __val = tr32(REG); \
8357         (PSTAT)->low += __val; \
8358         if ((PSTAT)->low < __val) \
8359                 (PSTAT)->high += 1; \
8360 } while (0)
8361
8362 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8363 {
8364         struct tg3_hw_stats *sp = tp->hw_stats;
8365
8366         if (!netif_carrier_ok(tp->dev))
8367                 return;
8368
8369         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8370         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8371         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8372         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8373         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8374         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8375         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8376         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8377         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8378         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8379         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8380         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8381         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8382
8383         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8384         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8385         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8386         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8387         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8388         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8389         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8390         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8391         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8392         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8393         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8394         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8395         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8396         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8397
8398         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8399         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8400         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8401 }
8402
8403 static void tg3_timer(unsigned long __opaque)
8404 {
8405         struct tg3 *tp = (struct tg3 *) __opaque;
8406
8407         if (tp->irq_sync)
8408                 goto restart_timer;
8409
8410         spin_lock(&tp->lock);
8411
8412         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8413                 /* All of this garbage is because when using non-tagged
8414                  * IRQ status the mailbox/status_block protocol the chip
8415                  * uses with the cpu is race prone.
8416                  */
8417                 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8418                         tw32(GRC_LOCAL_CTRL,
8419                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8420                 } else {
8421                         tw32(HOSTCC_MODE, tp->coalesce_mode |
8422                              HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8423                 }
8424
8425                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8426                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8427                         spin_unlock(&tp->lock);
8428                         schedule_work(&tp->reset_task);
8429                         return;
8430                 }
8431         }
8432
8433         /* This part only runs once per second. */
8434         if (!--tp->timer_counter) {
8435                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8436                         tg3_periodic_fetch_stats(tp);
8437
8438                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8439                         u32 mac_stat;
8440                         int phy_event;
8441
8442                         mac_stat = tr32(MAC_STATUS);
8443
8444                         phy_event = 0;
8445                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8446                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8447                                         phy_event = 1;
8448                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8449                                 phy_event = 1;
8450
8451                         if (phy_event)
8452                                 tg3_setup_phy(tp, 0);
8453                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8454                         u32 mac_stat = tr32(MAC_STATUS);
8455                         int need_setup = 0;
8456
8457                         if (netif_carrier_ok(tp->dev) &&
8458                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8459                                 need_setup = 1;
8460                         }
8461                         if (! netif_carrier_ok(tp->dev) &&
8462                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
8463                                          MAC_STATUS_SIGNAL_DET))) {
8464                                 need_setup = 1;
8465                         }
8466                         if (need_setup) {
8467                                 if (!tp->serdes_counter) {
8468                                         tw32_f(MAC_MODE,
8469                                              (tp->mac_mode &
8470                                               ~MAC_MODE_PORT_MODE_MASK));
8471                                         udelay(40);
8472                                         tw32_f(MAC_MODE, tp->mac_mode);
8473                                         udelay(40);
8474                                 }
8475                                 tg3_setup_phy(tp, 0);
8476                         }
8477                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8478                         tg3_serdes_parallel_detect(tp);
8479
8480                 tp->timer_counter = tp->timer_multiplier;
8481         }
8482
8483         /* Heartbeat is only sent once every 2 seconds.
8484          *
8485          * The heartbeat is to tell the ASF firmware that the host
8486          * driver is still alive.  In the event that the OS crashes,
8487          * ASF needs to reset the hardware to free up the FIFO space
8488          * that may be filled with rx packets destined for the host.
8489          * If the FIFO is full, ASF will no longer function properly.
8490          *
8491          * Unintended resets have been reported on real time kernels
8492          * where the timer doesn't run on time.  Netpoll will also have
8493          * same problem.
8494          *
8495          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8496          * to check the ring condition when the heartbeat is expiring
8497          * before doing the reset.  This will prevent most unintended
8498          * resets.
8499          */
8500         if (!--tp->asf_counter) {
8501                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8502                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8503                         tg3_wait_for_event_ack(tp);
8504
8505                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8506                                       FWCMD_NICDRV_ALIVE3);
8507                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8508                         /* 5 seconds timeout */
8509                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
8510
8511                         tg3_generate_fw_event(tp);
8512                 }
8513                 tp->asf_counter = tp->asf_multiplier;
8514         }
8515
8516         spin_unlock(&tp->lock);
8517
8518 restart_timer:
8519         tp->timer.expires = jiffies + tp->timer_offset;
8520         add_timer(&tp->timer);
8521 }
8522
8523 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8524 {
8525         irq_handler_t fn;
8526         unsigned long flags;
8527         char *name;
8528         struct tg3_napi *tnapi = &tp->napi[irq_num];
8529
8530         if (tp->irq_cnt == 1)
8531                 name = tp->dev->name;
8532         else {
8533                 name = &tnapi->irq_lbl[0];
8534                 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8535                 name[IFNAMSIZ-1] = 0;
8536         }
8537
8538         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8539                 fn = tg3_msi;
8540                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8541                         fn = tg3_msi_1shot;
8542                 flags = IRQF_SAMPLE_RANDOM;
8543         } else {
8544                 fn = tg3_interrupt;
8545                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8546                         fn = tg3_interrupt_tagged;
8547                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8548         }
8549
8550         return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8551 }
8552
8553 static int tg3_test_interrupt(struct tg3 *tp)
8554 {
8555         struct tg3_napi *tnapi = &tp->napi[0];
8556         struct net_device *dev = tp->dev;
8557         int err, i, intr_ok = 0;
8558         u32 val;
8559
8560         if (!netif_running(dev))
8561                 return -ENODEV;
8562
8563         tg3_disable_ints(tp);
8564
8565         free_irq(tnapi->irq_vec, tnapi);
8566
8567         /*
8568          * Turn off MSI one shot mode.  Otherwise this test has no
8569          * observable way to know whether the interrupt was delivered.
8570          */
8571         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8572              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8573             (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8574                 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8575                 tw32(MSGINT_MODE, val);
8576         }
8577
8578         err = request_irq(tnapi->irq_vec, tg3_test_isr,
8579                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8580         if (err)
8581                 return err;
8582
8583         tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8584         tg3_enable_ints(tp);
8585
8586         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8587                tnapi->coal_now);
8588
8589         for (i = 0; i < 5; i++) {
8590                 u32 int_mbox, misc_host_ctrl;
8591
8592                 int_mbox = tr32_mailbox(tnapi->int_mbox);
8593                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8594
8595                 if ((int_mbox != 0) ||
8596                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8597                         intr_ok = 1;
8598                         break;
8599                 }
8600
8601                 msleep(10);
8602         }
8603
8604         tg3_disable_ints(tp);
8605
8606         free_irq(tnapi->irq_vec, tnapi);
8607
8608         err = tg3_request_irq(tp, 0);
8609
8610         if (err)
8611                 return err;
8612
8613         if (intr_ok) {
8614                 /* Reenable MSI one shot mode. */
8615                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8616                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8617                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8618                         val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8619                         tw32(MSGINT_MODE, val);
8620                 }
8621                 return 0;
8622         }
8623
8624         return -EIO;
8625 }
8626
8627 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8628  * successfully restored
8629  */
8630 static int tg3_test_msi(struct tg3 *tp)
8631 {
8632         int err;
8633         u16 pci_cmd;
8634
8635         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8636                 return 0;
8637
8638         /* Turn off SERR reporting in case MSI terminates with Master
8639          * Abort.
8640          */
8641         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8642         pci_write_config_word(tp->pdev, PCI_COMMAND,
8643                               pci_cmd & ~PCI_COMMAND_SERR);
8644
8645         err = tg3_test_interrupt(tp);
8646
8647         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8648
8649         if (!err)
8650                 return 0;
8651
8652         /* other failures */
8653         if (err != -EIO)
8654                 return err;
8655
8656         /* MSI test failed, go back to INTx mode */
8657         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
8658                "switching to INTx mode. Please report this failure to "
8659                "the PCI maintainer and include system chipset information.\n",
8660                        tp->dev->name);
8661
8662         free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8663
8664         pci_disable_msi(tp->pdev);
8665
8666         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8667
8668         err = tg3_request_irq(tp, 0);
8669         if (err)
8670                 return err;
8671
8672         /* Need to reset the chip because the MSI cycle may have terminated
8673          * with Master Abort.
8674          */
8675         tg3_full_lock(tp, 1);
8676
8677         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8678         err = tg3_init_hw(tp, 1);
8679
8680         tg3_full_unlock(tp);
8681
8682         if (err)
8683                 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8684
8685         return err;
8686 }
8687
8688 static int tg3_request_firmware(struct tg3 *tp)
8689 {
8690         const __be32 *fw_data;
8691
8692         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8693                 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
8694                        tp->dev->name, tp->fw_needed);
8695                 return -ENOENT;
8696         }
8697
8698         fw_data = (void *)tp->fw->data;
8699
8700         /* Firmware blob starts with version numbers, followed by
8701          * start address and _full_ length including BSS sections
8702          * (which must be longer than the actual data, of course
8703          */
8704
8705         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
8706         if (tp->fw_len < (tp->fw->size - 12)) {
8707                 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
8708                        tp->dev->name, tp->fw_len, tp->fw_needed);
8709                 release_firmware(tp->fw);
8710                 tp->fw = NULL;
8711                 return -EINVAL;
8712         }
8713
8714         /* We no longer need firmware; we have it. */
8715         tp->fw_needed = NULL;
8716         return 0;
8717 }
8718
8719 static bool tg3_enable_msix(struct tg3 *tp)
8720 {
8721         int i, rc, cpus = num_online_cpus();
8722         struct msix_entry msix_ent[tp->irq_max];
8723
8724         if (cpus == 1)
8725                 /* Just fallback to the simpler MSI mode. */
8726                 return false;
8727
8728         /*
8729          * We want as many rx rings enabled as there are cpus.
8730          * The first MSIX vector only deals with link interrupts, etc,
8731          * so we add one to the number of vectors we are requesting.
8732          */
8733         tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8734
8735         for (i = 0; i < tp->irq_max; i++) {
8736                 msix_ent[i].entry  = i;
8737                 msix_ent[i].vector = 0;
8738         }
8739
8740         rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8741         if (rc != 0) {
8742                 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8743                         return false;
8744                 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8745                         return false;
8746                 printk(KERN_NOTICE
8747                        "%s: Requested %d MSI-X vectors, received %d\n",
8748                        tp->dev->name, tp->irq_cnt, rc);
8749                 tp->irq_cnt = rc;
8750         }
8751
8752         tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8753
8754         for (i = 0; i < tp->irq_max; i++)
8755                 tp->napi[i].irq_vec = msix_ent[i].vector;
8756
8757         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8758                 tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
8759                 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8760         } else
8761                 tp->dev->real_num_tx_queues = 1;
8762
8763         return true;
8764 }
8765
8766 static void tg3_ints_init(struct tg3 *tp)
8767 {
8768         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8769             !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8770                 /* All MSI supporting chips should support tagged
8771                  * status.  Assert that this is the case.
8772                  */
8773                 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
8774                        "Not using MSI.\n", tp->dev->name);
8775                 goto defcfg;
8776         }
8777
8778         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8779                 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8780         else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8781                  pci_enable_msi(tp->pdev) == 0)
8782                 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8783
8784         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8785                 u32 msi_mode = tr32(MSGINT_MODE);
8786                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8787                         msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8788                 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8789         }
8790 defcfg:
8791         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8792                 tp->irq_cnt = 1;
8793                 tp->napi[0].irq_vec = tp->pdev->irq;
8794                 tp->dev->real_num_tx_queues = 1;
8795         }
8796 }
8797
8798 static void tg3_ints_fini(struct tg3 *tp)
8799 {
8800         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8801                 pci_disable_msix(tp->pdev);
8802         else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8803                 pci_disable_msi(tp->pdev);
8804         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8805         tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
8806 }
8807
8808 static int tg3_open(struct net_device *dev)
8809 {
8810         struct tg3 *tp = netdev_priv(dev);
8811         int i, err;
8812
8813         if (tp->fw_needed) {
8814                 err = tg3_request_firmware(tp);
8815                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8816                         if (err)
8817                                 return err;
8818                 } else if (err) {
8819                         printk(KERN_WARNING "%s: TSO capability disabled.\n",
8820                                tp->dev->name);
8821                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8822                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8823                         printk(KERN_NOTICE "%s: TSO capability restored.\n",
8824                                tp->dev->name);
8825                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8826                 }
8827         }
8828
8829         netif_carrier_off(tp->dev);
8830
8831         err = tg3_set_power_state(tp, PCI_D0);
8832         if (err)
8833                 return err;
8834
8835         tg3_full_lock(tp, 0);
8836
8837         tg3_disable_ints(tp);
8838         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8839
8840         tg3_full_unlock(tp);
8841
8842         /*
8843          * Setup interrupts first so we know how
8844          * many NAPI resources to allocate
8845          */
8846         tg3_ints_init(tp);
8847
8848         /* The placement of this call is tied
8849          * to the setup and use of Host TX descriptors.
8850          */
8851         err = tg3_alloc_consistent(tp);
8852         if (err)
8853                 goto err_out1;
8854
8855         tg3_napi_enable(tp);
8856
8857         for (i = 0; i < tp->irq_cnt; i++) {
8858                 struct tg3_napi *tnapi = &tp->napi[i];
8859                 err = tg3_request_irq(tp, i);
8860                 if (err) {
8861                         for (i--; i >= 0; i--)
8862                                 free_irq(tnapi->irq_vec, tnapi);
8863                         break;
8864                 }
8865         }
8866
8867         if (err)
8868                 goto err_out2;
8869
8870         tg3_full_lock(tp, 0);
8871
8872         err = tg3_init_hw(tp, 1);
8873         if (err) {
8874                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8875                 tg3_free_rings(tp);
8876         } else {
8877                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8878                         tp->timer_offset = HZ;
8879                 else
8880                         tp->timer_offset = HZ / 10;
8881
8882                 BUG_ON(tp->timer_offset > HZ);
8883                 tp->timer_counter = tp->timer_multiplier =
8884                         (HZ / tp->timer_offset);
8885                 tp->asf_counter = tp->asf_multiplier =
8886                         ((HZ / tp->timer_offset) * 2);
8887
8888                 init_timer(&tp->timer);
8889                 tp->timer.expires = jiffies + tp->timer_offset;
8890                 tp->timer.data = (unsigned long) tp;
8891                 tp->timer.function = tg3_timer;
8892         }
8893
8894         tg3_full_unlock(tp);
8895
8896         if (err)
8897                 goto err_out3;
8898
8899         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8900                 err = tg3_test_msi(tp);
8901
8902                 if (err) {
8903                         tg3_full_lock(tp, 0);
8904                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8905                         tg3_free_rings(tp);
8906                         tg3_full_unlock(tp);
8907
8908                         goto err_out2;
8909                 }
8910
8911                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8912                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 &&
8913                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8914                     (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8915                         u32 val = tr32(PCIE_TRANSACTION_CFG);
8916
8917                         tw32(PCIE_TRANSACTION_CFG,
8918                              val | PCIE_TRANS_CFG_1SHOT_MSI);
8919                 }
8920         }
8921
8922         tg3_phy_start(tp);
8923
8924         tg3_full_lock(tp, 0);
8925
8926         add_timer(&tp->timer);
8927         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8928         tg3_enable_ints(tp);
8929
8930         tg3_full_unlock(tp);
8931
8932         netif_tx_start_all_queues(dev);
8933
8934         return 0;
8935
8936 err_out3:
8937         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8938                 struct tg3_napi *tnapi = &tp->napi[i];
8939                 free_irq(tnapi->irq_vec, tnapi);
8940         }
8941
8942 err_out2:
8943         tg3_napi_disable(tp);
8944         tg3_free_consistent(tp);
8945
8946 err_out1:
8947         tg3_ints_fini(tp);
8948         return err;
8949 }
8950
8951 #if 0
8952 /*static*/ void tg3_dump_state(struct tg3 *tp)
8953 {
8954         u32 val32, val32_2, val32_3, val32_4, val32_5;
8955         u16 val16;
8956         int i;
8957         struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
8958
8959         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8960         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8961         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8962                val16, val32);
8963
8964         /* MAC block */
8965         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8966                tr32(MAC_MODE), tr32(MAC_STATUS));
8967         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8968                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8969         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8970                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8971         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8972                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8973
8974         /* Send data initiator control block */
8975         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8976                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8977         printk("       SNDDATAI_STATSCTRL[%08x]\n",
8978                tr32(SNDDATAI_STATSCTRL));
8979
8980         /* Send data completion control block */
8981         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8982
8983         /* Send BD ring selector block */
8984         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8985                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8986
8987         /* Send BD initiator control block */
8988         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8989                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8990
8991         /* Send BD completion control block */
8992         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8993
8994         /* Receive list placement control block */
8995         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8996                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8997         printk("       RCVLPC_STATSCTRL[%08x]\n",
8998                tr32(RCVLPC_STATSCTRL));
8999
9000         /* Receive data and receive BD initiator control block */
9001         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
9002                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
9003
9004         /* Receive data completion control block */
9005         printk("DEBUG: RCVDCC_MODE[%08x]\n",
9006                tr32(RCVDCC_MODE));
9007
9008         /* Receive BD initiator control block */
9009         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
9010                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
9011
9012         /* Receive BD completion control block */
9013         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
9014                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
9015
9016         /* Receive list selector control block */
9017         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
9018                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
9019
9020         /* Mbuf cluster free block */
9021         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
9022                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
9023
9024         /* Host coalescing control block */
9025         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
9026                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
9027         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
9028                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
9029                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
9030         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
9031                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
9032                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
9033         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
9034                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
9035         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
9036                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
9037
9038         /* Memory arbiter control block */
9039         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
9040                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
9041
9042         /* Buffer manager control block */
9043         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
9044                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
9045         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
9046                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
9047         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
9048                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
9049                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
9050                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
9051
9052         /* Read DMA control block */
9053         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
9054                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
9055
9056         /* Write DMA control block */
9057         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
9058                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
9059
9060         /* DMA completion block */
9061         printk("DEBUG: DMAC_MODE[%08x]\n",
9062                tr32(DMAC_MODE));
9063
9064         /* GRC block */
9065         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
9066                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
9067         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
9068                tr32(GRC_LOCAL_CTRL));
9069
9070         /* TG3_BDINFOs */
9071         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
9072                tr32(RCVDBDI_JUMBO_BD + 0x0),
9073                tr32(RCVDBDI_JUMBO_BD + 0x4),
9074                tr32(RCVDBDI_JUMBO_BD + 0x8),
9075                tr32(RCVDBDI_JUMBO_BD + 0xc));
9076         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
9077                tr32(RCVDBDI_STD_BD + 0x0),
9078                tr32(RCVDBDI_STD_BD + 0x4),
9079                tr32(RCVDBDI_STD_BD + 0x8),
9080                tr32(RCVDBDI_STD_BD + 0xc));
9081         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
9082                tr32(RCVDBDI_MINI_BD + 0x0),
9083                tr32(RCVDBDI_MINI_BD + 0x4),
9084                tr32(RCVDBDI_MINI_BD + 0x8),
9085                tr32(RCVDBDI_MINI_BD + 0xc));
9086
9087         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
9088         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
9089         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
9090         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
9091         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
9092                val32, val32_2, val32_3, val32_4);
9093
9094         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
9095         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
9096         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
9097         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
9098         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
9099                val32, val32_2, val32_3, val32_4);
9100
9101         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
9102         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
9103         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
9104         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
9105         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
9106         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
9107                val32, val32_2, val32_3, val32_4, val32_5);
9108
9109         /* SW status block */
9110         printk(KERN_DEBUG
9111          "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
9112                sblk->status,
9113                sblk->status_tag,
9114                sblk->rx_jumbo_consumer,
9115                sblk->rx_consumer,
9116                sblk->rx_mini_consumer,
9117                sblk->idx[0].rx_producer,
9118                sblk->idx[0].tx_consumer);
9119
9120         /* SW statistics block */
9121         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
9122                ((u32 *)tp->hw_stats)[0],
9123                ((u32 *)tp->hw_stats)[1],
9124                ((u32 *)tp->hw_stats)[2],
9125                ((u32 *)tp->hw_stats)[3]);
9126
9127         /* Mailboxes */
9128         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
9129                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
9130                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
9131                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
9132                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
9133
9134         /* NIC side send descriptors. */
9135         for (i = 0; i < 6; i++) {
9136                 unsigned long txd;
9137
9138                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
9139                         + (i * sizeof(struct tg3_tx_buffer_desc));
9140                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
9141                        i,
9142                        readl(txd + 0x0), readl(txd + 0x4),
9143                        readl(txd + 0x8), readl(txd + 0xc));
9144         }
9145
9146         /* NIC side RX descriptors. */
9147         for (i = 0; i < 6; i++) {
9148                 unsigned long rxd;
9149
9150                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
9151                         + (i * sizeof(struct tg3_rx_buffer_desc));
9152                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
9153                        i,
9154                        readl(rxd + 0x0), readl(rxd + 0x4),
9155                        readl(rxd + 0x8), readl(rxd + 0xc));
9156                 rxd += (4 * sizeof(u32));
9157                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
9158                        i,
9159                        readl(rxd + 0x0), readl(rxd + 0x4),
9160                        readl(rxd + 0x8), readl(rxd + 0xc));
9161         }
9162
9163         for (i = 0; i < 6; i++) {
9164                 unsigned long rxd;
9165
9166                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
9167                         + (i * sizeof(struct tg3_rx_buffer_desc));
9168                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
9169                        i,
9170                        readl(rxd + 0x0), readl(rxd + 0x4),
9171                        readl(rxd + 0x8), readl(rxd + 0xc));
9172                 rxd += (4 * sizeof(u32));
9173                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
9174                        i,
9175                        readl(rxd + 0x0), readl(rxd + 0x4),
9176                        readl(rxd + 0x8), readl(rxd + 0xc));
9177         }
9178 }
9179 #endif
9180
9181 static struct net_device_stats *tg3_get_stats(struct net_device *);
9182 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9183
9184 static int tg3_close(struct net_device *dev)
9185 {
9186         int i;
9187         struct tg3 *tp = netdev_priv(dev);
9188
9189         tg3_napi_disable(tp);
9190         cancel_work_sync(&tp->reset_task);
9191
9192         netif_tx_stop_all_queues(dev);
9193
9194         del_timer_sync(&tp->timer);
9195
9196         tg3_phy_stop(tp);
9197
9198         tg3_full_lock(tp, 1);
9199 #if 0
9200         tg3_dump_state(tp);
9201 #endif
9202
9203         tg3_disable_ints(tp);
9204
9205         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9206         tg3_free_rings(tp);
9207         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9208
9209         tg3_full_unlock(tp);
9210
9211         for (i = tp->irq_cnt - 1; i >= 0; i--) {
9212                 struct tg3_napi *tnapi = &tp->napi[i];
9213                 free_irq(tnapi->irq_vec, tnapi);
9214         }
9215
9216         tg3_ints_fini(tp);
9217
9218         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
9219                sizeof(tp->net_stats_prev));
9220         memcpy(&tp->estats_prev, tg3_get_estats(tp),
9221                sizeof(tp->estats_prev));
9222
9223         tg3_free_consistent(tp);
9224
9225         tg3_set_power_state(tp, PCI_D3hot);
9226
9227         netif_carrier_off(tp->dev);
9228
9229         return 0;
9230 }
9231
9232 static inline unsigned long get_stat64(tg3_stat64_t *val)
9233 {
9234         unsigned long ret;
9235
9236 #if (BITS_PER_LONG == 32)
9237         ret = val->low;
9238 #else
9239         ret = ((u64)val->high << 32) | ((u64)val->low);
9240 #endif
9241         return ret;
9242 }
9243
9244 static inline u64 get_estat64(tg3_stat64_t *val)
9245 {
9246        return ((u64)val->high << 32) | ((u64)val->low);
9247 }
9248
9249 static unsigned long calc_crc_errors(struct tg3 *tp)
9250 {
9251         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9252
9253         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9254             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9255              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9256                 u32 val;
9257
9258                 spin_lock_bh(&tp->lock);
9259                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9260                         tg3_writephy(tp, MII_TG3_TEST1,
9261                                      val | MII_TG3_TEST1_CRC_EN);
9262                         tg3_readphy(tp, 0x14, &val);
9263                 } else
9264                         val = 0;
9265                 spin_unlock_bh(&tp->lock);
9266
9267                 tp->phy_crc_errors += val;
9268
9269                 return tp->phy_crc_errors;
9270         }
9271
9272         return get_stat64(&hw_stats->rx_fcs_errors);
9273 }
9274
9275 #define ESTAT_ADD(member) \
9276         estats->member =        old_estats->member + \
9277                                 get_estat64(&hw_stats->member)
9278
9279 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9280 {
9281         struct tg3_ethtool_stats *estats = &tp->estats;
9282         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9283         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9284
9285         if (!hw_stats)
9286                 return old_estats;
9287
9288         ESTAT_ADD(rx_octets);
9289         ESTAT_ADD(rx_fragments);
9290         ESTAT_ADD(rx_ucast_packets);
9291         ESTAT_ADD(rx_mcast_packets);
9292         ESTAT_ADD(rx_bcast_packets);
9293         ESTAT_ADD(rx_fcs_errors);
9294         ESTAT_ADD(rx_align_errors);
9295         ESTAT_ADD(rx_xon_pause_rcvd);
9296         ESTAT_ADD(rx_xoff_pause_rcvd);
9297         ESTAT_ADD(rx_mac_ctrl_rcvd);
9298         ESTAT_ADD(rx_xoff_entered);
9299         ESTAT_ADD(rx_frame_too_long_errors);
9300         ESTAT_ADD(rx_jabbers);
9301         ESTAT_ADD(rx_undersize_packets);
9302         ESTAT_ADD(rx_in_length_errors);
9303         ESTAT_ADD(rx_out_length_errors);
9304         ESTAT_ADD(rx_64_or_less_octet_packets);
9305         ESTAT_ADD(rx_65_to_127_octet_packets);
9306         ESTAT_ADD(rx_128_to_255_octet_packets);
9307         ESTAT_ADD(rx_256_to_511_octet_packets);
9308         ESTAT_ADD(rx_512_to_1023_octet_packets);
9309         ESTAT_ADD(rx_1024_to_1522_octet_packets);
9310         ESTAT_ADD(rx_1523_to_2047_octet_packets);
9311         ESTAT_ADD(rx_2048_to_4095_octet_packets);
9312         ESTAT_ADD(rx_4096_to_8191_octet_packets);
9313         ESTAT_ADD(rx_8192_to_9022_octet_packets);
9314
9315         ESTAT_ADD(tx_octets);
9316         ESTAT_ADD(tx_collisions);
9317         ESTAT_ADD(tx_xon_sent);
9318         ESTAT_ADD(tx_xoff_sent);
9319         ESTAT_ADD(tx_flow_control);
9320         ESTAT_ADD(tx_mac_errors);
9321         ESTAT_ADD(tx_single_collisions);
9322         ESTAT_ADD(tx_mult_collisions);
9323         ESTAT_ADD(tx_deferred);
9324         ESTAT_ADD(tx_excessive_collisions);
9325         ESTAT_ADD(tx_late_collisions);
9326         ESTAT_ADD(tx_collide_2times);
9327         ESTAT_ADD(tx_collide_3times);
9328         ESTAT_ADD(tx_collide_4times);
9329         ESTAT_ADD(tx_collide_5times);
9330         ESTAT_ADD(tx_collide_6times);
9331         ESTAT_ADD(tx_collide_7times);
9332         ESTAT_ADD(tx_collide_8times);
9333         ESTAT_ADD(tx_collide_9times);
9334         ESTAT_ADD(tx_collide_10times);
9335         ESTAT_ADD(tx_collide_11times);
9336         ESTAT_ADD(tx_collide_12times);
9337         ESTAT_ADD(tx_collide_13times);
9338         ESTAT_ADD(tx_collide_14times);
9339         ESTAT_ADD(tx_collide_15times);
9340         ESTAT_ADD(tx_ucast_packets);
9341         ESTAT_ADD(tx_mcast_packets);
9342         ESTAT_ADD(tx_bcast_packets);
9343         ESTAT_ADD(tx_carrier_sense_errors);
9344         ESTAT_ADD(tx_discards);
9345         ESTAT_ADD(tx_errors);
9346
9347         ESTAT_ADD(dma_writeq_full);
9348         ESTAT_ADD(dma_write_prioq_full);
9349         ESTAT_ADD(rxbds_empty);
9350         ESTAT_ADD(rx_discards);
9351         ESTAT_ADD(rx_errors);
9352         ESTAT_ADD(rx_threshold_hit);
9353
9354         ESTAT_ADD(dma_readq_full);
9355         ESTAT_ADD(dma_read_prioq_full);
9356         ESTAT_ADD(tx_comp_queue_full);
9357
9358         ESTAT_ADD(ring_set_send_prod_index);
9359         ESTAT_ADD(ring_status_update);
9360         ESTAT_ADD(nic_irqs);
9361         ESTAT_ADD(nic_avoided_irqs);
9362         ESTAT_ADD(nic_tx_threshold_hit);
9363
9364         return estats;
9365 }
9366
9367 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
9368 {
9369         struct tg3 *tp = netdev_priv(dev);
9370         struct net_device_stats *stats = &tp->net_stats;
9371         struct net_device_stats *old_stats = &tp->net_stats_prev;
9372         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9373
9374         if (!hw_stats)
9375                 return old_stats;
9376
9377         stats->rx_packets = old_stats->rx_packets +
9378                 get_stat64(&hw_stats->rx_ucast_packets) +
9379                 get_stat64(&hw_stats->rx_mcast_packets) +
9380                 get_stat64(&hw_stats->rx_bcast_packets);
9381
9382         stats->tx_packets = old_stats->tx_packets +
9383                 get_stat64(&hw_stats->tx_ucast_packets) +
9384                 get_stat64(&hw_stats->tx_mcast_packets) +
9385                 get_stat64(&hw_stats->tx_bcast_packets);
9386
9387         stats->rx_bytes = old_stats->rx_bytes +
9388                 get_stat64(&hw_stats->rx_octets);
9389         stats->tx_bytes = old_stats->tx_bytes +
9390                 get_stat64(&hw_stats->tx_octets);
9391
9392         stats->rx_errors = old_stats->rx_errors +
9393                 get_stat64(&hw_stats->rx_errors);
9394         stats->tx_errors = old_stats->tx_errors +
9395                 get_stat64(&hw_stats->tx_errors) +
9396                 get_stat64(&hw_stats->tx_mac_errors) +
9397                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9398                 get_stat64(&hw_stats->tx_discards);
9399
9400         stats->multicast = old_stats->multicast +
9401                 get_stat64(&hw_stats->rx_mcast_packets);
9402         stats->collisions = old_stats->collisions +
9403                 get_stat64(&hw_stats->tx_collisions);
9404
9405         stats->rx_length_errors = old_stats->rx_length_errors +
9406                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9407                 get_stat64(&hw_stats->rx_undersize_packets);
9408
9409         stats->rx_over_errors = old_stats->rx_over_errors +
9410                 get_stat64(&hw_stats->rxbds_empty);
9411         stats->rx_frame_errors = old_stats->rx_frame_errors +
9412                 get_stat64(&hw_stats->rx_align_errors);
9413         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9414                 get_stat64(&hw_stats->tx_discards);
9415         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9416                 get_stat64(&hw_stats->tx_carrier_sense_errors);
9417
9418         stats->rx_crc_errors = old_stats->rx_crc_errors +
9419                 calc_crc_errors(tp);
9420
9421         stats->rx_missed_errors = old_stats->rx_missed_errors +
9422                 get_stat64(&hw_stats->rx_discards);
9423
9424         return stats;
9425 }
9426
9427 static inline u32 calc_crc(unsigned char *buf, int len)
9428 {
9429         u32 reg;
9430         u32 tmp;
9431         int j, k;
9432
9433         reg = 0xffffffff;
9434
9435         for (j = 0; j < len; j++) {
9436                 reg ^= buf[j];
9437
9438                 for (k = 0; k < 8; k++) {
9439                         tmp = reg & 0x01;
9440
9441                         reg >>= 1;
9442
9443                         if (tmp) {
9444                                 reg ^= 0xedb88320;
9445                         }
9446                 }
9447         }
9448
9449         return ~reg;
9450 }
9451
9452 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9453 {
9454         /* accept or reject all multicast frames */
9455         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9456         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9457         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9458         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9459 }
9460
9461 static void __tg3_set_rx_mode(struct net_device *dev)
9462 {
9463         struct tg3 *tp = netdev_priv(dev);
9464         u32 rx_mode;
9465
9466         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9467                                   RX_MODE_KEEP_VLAN_TAG);
9468
9469         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9470          * flag clear.
9471          */
9472 #if TG3_VLAN_TAG_USED
9473         if (!tp->vlgrp &&
9474             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9475                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9476 #else
9477         /* By definition, VLAN is disabled always in this
9478          * case.
9479          */
9480         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9481                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9482 #endif
9483
9484         if (dev->flags & IFF_PROMISC) {
9485                 /* Promiscuous mode. */
9486                 rx_mode |= RX_MODE_PROMISC;
9487         } else if (dev->flags & IFF_ALLMULTI) {
9488                 /* Accept all multicast. */
9489                 tg3_set_multi (tp, 1);
9490         } else if (netdev_mc_empty(dev)) {
9491                 /* Reject all multicast. */
9492                 tg3_set_multi (tp, 0);
9493         } else {
9494                 /* Accept one or more multicast(s). */
9495                 struct dev_mc_list *mclist;
9496                 unsigned int i;
9497                 u32 mc_filter[4] = { 0, };
9498                 u32 regidx;
9499                 u32 bit;
9500                 u32 crc;
9501
9502                 for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
9503                      i++, mclist = mclist->next) {
9504
9505                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9506                         bit = ~crc & 0x7f;
9507                         regidx = (bit & 0x60) >> 5;
9508                         bit &= 0x1f;
9509                         mc_filter[regidx] |= (1 << bit);
9510                 }
9511
9512                 tw32(MAC_HASH_REG_0, mc_filter[0]);
9513                 tw32(MAC_HASH_REG_1, mc_filter[1]);
9514                 tw32(MAC_HASH_REG_2, mc_filter[2]);
9515                 tw32(MAC_HASH_REG_3, mc_filter[3]);
9516         }
9517
9518         if (rx_mode != tp->rx_mode) {
9519                 tp->rx_mode = rx_mode;
9520                 tw32_f(MAC_RX_MODE, rx_mode);
9521                 udelay(10);
9522         }
9523 }
9524
9525 static void tg3_set_rx_mode(struct net_device *dev)
9526 {
9527         struct tg3 *tp = netdev_priv(dev);
9528
9529         if (!netif_running(dev))
9530                 return;
9531
9532         tg3_full_lock(tp, 0);
9533         __tg3_set_rx_mode(dev);
9534         tg3_full_unlock(tp);
9535 }
9536
9537 #define TG3_REGDUMP_LEN         (32 * 1024)
9538
9539 static int tg3_get_regs_len(struct net_device *dev)
9540 {
9541         return TG3_REGDUMP_LEN;
9542 }
9543
9544 static void tg3_get_regs(struct net_device *dev,
9545                 struct ethtool_regs *regs, void *_p)
9546 {
9547         u32 *p = _p;
9548         struct tg3 *tp = netdev_priv(dev);
9549         u8 *orig_p = _p;
9550         int i;
9551
9552         regs->version = 0;
9553
9554         memset(p, 0, TG3_REGDUMP_LEN);
9555
9556         if (tp->link_config.phy_is_low_power)
9557                 return;
9558
9559         tg3_full_lock(tp, 0);
9560
9561 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
9562 #define GET_REG32_LOOP(base,len)                \
9563 do {    p = (u32 *)(orig_p + (base));           \
9564         for (i = 0; i < len; i += 4)            \
9565                 __GET_REG32((base) + i);        \
9566 } while (0)
9567 #define GET_REG32_1(reg)                        \
9568 do {    p = (u32 *)(orig_p + (reg));            \
9569         __GET_REG32((reg));                     \
9570 } while (0)
9571
9572         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9573         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9574         GET_REG32_LOOP(MAC_MODE, 0x4f0);
9575         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9576         GET_REG32_1(SNDDATAC_MODE);
9577         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9578         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9579         GET_REG32_1(SNDBDC_MODE);
9580         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9581         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9582         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9583         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9584         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9585         GET_REG32_1(RCVDCC_MODE);
9586         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9587         GET_REG32_LOOP(RCVCC_MODE, 0x14);
9588         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9589         GET_REG32_1(MBFREE_MODE);
9590         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9591         GET_REG32_LOOP(MEMARB_MODE, 0x10);
9592         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9593         GET_REG32_LOOP(RDMAC_MODE, 0x08);
9594         GET_REG32_LOOP(WDMAC_MODE, 0x08);
9595         GET_REG32_1(RX_CPU_MODE);
9596         GET_REG32_1(RX_CPU_STATE);
9597         GET_REG32_1(RX_CPU_PGMCTR);
9598         GET_REG32_1(RX_CPU_HWBKPT);
9599         GET_REG32_1(TX_CPU_MODE);
9600         GET_REG32_1(TX_CPU_STATE);
9601         GET_REG32_1(TX_CPU_PGMCTR);
9602         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9603         GET_REG32_LOOP(FTQ_RESET, 0x120);
9604         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9605         GET_REG32_1(DMAC_MODE);
9606         GET_REG32_LOOP(GRC_MODE, 0x4c);
9607         if (tp->tg3_flags & TG3_FLAG_NVRAM)
9608                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9609
9610 #undef __GET_REG32
9611 #undef GET_REG32_LOOP
9612 #undef GET_REG32_1
9613
9614         tg3_full_unlock(tp);
9615 }
9616
9617 static int tg3_get_eeprom_len(struct net_device *dev)
9618 {
9619         struct tg3 *tp = netdev_priv(dev);
9620
9621         return tp->nvram_size;
9622 }
9623
9624 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9625 {
9626         struct tg3 *tp = netdev_priv(dev);
9627         int ret;
9628         u8  *pd;
9629         u32 i, offset, len, b_offset, b_count;
9630         __be32 val;
9631
9632         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9633                 return -EINVAL;
9634
9635         if (tp->link_config.phy_is_low_power)
9636                 return -EAGAIN;
9637
9638         offset = eeprom->offset;
9639         len = eeprom->len;
9640         eeprom->len = 0;
9641
9642         eeprom->magic = TG3_EEPROM_MAGIC;
9643
9644         if (offset & 3) {
9645                 /* adjustments to start on required 4 byte boundary */
9646                 b_offset = offset & 3;
9647                 b_count = 4 - b_offset;
9648                 if (b_count > len) {
9649                         /* i.e. offset=1 len=2 */
9650                         b_count = len;
9651                 }
9652                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9653                 if (ret)
9654                         return ret;
9655                 memcpy(data, ((char*)&val) + b_offset, b_count);
9656                 len -= b_count;
9657                 offset += b_count;
9658                 eeprom->len += b_count;
9659         }
9660
9661         /* read bytes upto the last 4 byte boundary */
9662         pd = &data[eeprom->len];
9663         for (i = 0; i < (len - (len & 3)); i += 4) {
9664                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9665                 if (ret) {
9666                         eeprom->len += i;
9667                         return ret;
9668                 }
9669                 memcpy(pd + i, &val, 4);
9670         }
9671         eeprom->len += i;
9672
9673         if (len & 3) {
9674                 /* read last bytes not ending on 4 byte boundary */
9675                 pd = &data[eeprom->len];
9676                 b_count = len & 3;
9677                 b_offset = offset + len - b_count;
9678                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9679                 if (ret)
9680                         return ret;
9681                 memcpy(pd, &val, b_count);
9682                 eeprom->len += b_count;
9683         }
9684         return 0;
9685 }
9686
9687 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9688
9689 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9690 {
9691         struct tg3 *tp = netdev_priv(dev);
9692         int ret;
9693         u32 offset, len, b_offset, odd_len;
9694         u8 *buf;
9695         __be32 start, end;
9696
9697         if (tp->link_config.phy_is_low_power)
9698                 return -EAGAIN;
9699
9700         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9701             eeprom->magic != TG3_EEPROM_MAGIC)
9702                 return -EINVAL;
9703
9704         offset = eeprom->offset;
9705         len = eeprom->len;
9706
9707         if ((b_offset = (offset & 3))) {
9708                 /* adjustments to start on required 4 byte boundary */
9709                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9710                 if (ret)
9711                         return ret;
9712                 len += b_offset;
9713                 offset &= ~3;
9714                 if (len < 4)
9715                         len = 4;
9716         }
9717
9718         odd_len = 0;
9719         if (len & 3) {
9720                 /* adjustments to end on required 4 byte boundary */
9721                 odd_len = 1;
9722                 len = (len + 3) & ~3;
9723                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9724                 if (ret)
9725                         return ret;
9726         }
9727
9728         buf = data;
9729         if (b_offset || odd_len) {
9730                 buf = kmalloc(len, GFP_KERNEL);
9731                 if (!buf)
9732                         return -ENOMEM;
9733                 if (b_offset)
9734                         memcpy(buf, &start, 4);
9735                 if (odd_len)
9736                         memcpy(buf+len-4, &end, 4);
9737                 memcpy(buf + b_offset, data, eeprom->len);
9738         }
9739
9740         ret = tg3_nvram_write_block(tp, offset, len, buf);
9741
9742         if (buf != data)
9743                 kfree(buf);
9744
9745         return ret;
9746 }
9747
9748 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9749 {
9750         struct tg3 *tp = netdev_priv(dev);
9751
9752         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9753                 struct phy_device *phydev;
9754                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9755                         return -EAGAIN;
9756                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9757                 return phy_ethtool_gset(phydev, cmd);
9758         }
9759
9760         cmd->supported = (SUPPORTED_Autoneg);
9761
9762         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9763                 cmd->supported |= (SUPPORTED_1000baseT_Half |
9764                                    SUPPORTED_1000baseT_Full);
9765
9766         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
9767                 cmd->supported |= (SUPPORTED_100baseT_Half |
9768                                   SUPPORTED_100baseT_Full |
9769                                   SUPPORTED_10baseT_Half |
9770                                   SUPPORTED_10baseT_Full |
9771                                   SUPPORTED_TP);
9772                 cmd->port = PORT_TP;
9773         } else {
9774                 cmd->supported |= SUPPORTED_FIBRE;
9775                 cmd->port = PORT_FIBRE;
9776         }
9777
9778         cmd->advertising = tp->link_config.advertising;
9779         if (netif_running(dev)) {
9780                 cmd->speed = tp->link_config.active_speed;
9781                 cmd->duplex = tp->link_config.active_duplex;
9782         }
9783         cmd->phy_address = tp->phy_addr;
9784         cmd->transceiver = XCVR_INTERNAL;
9785         cmd->autoneg = tp->link_config.autoneg;
9786         cmd->maxtxpkt = 0;
9787         cmd->maxrxpkt = 0;
9788         return 0;
9789 }
9790
9791 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9792 {
9793         struct tg3 *tp = netdev_priv(dev);
9794
9795         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9796                 struct phy_device *phydev;
9797                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9798                         return -EAGAIN;
9799                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9800                 return phy_ethtool_sset(phydev, cmd);
9801         }
9802
9803         if (cmd->autoneg != AUTONEG_ENABLE &&
9804             cmd->autoneg != AUTONEG_DISABLE)
9805                 return -EINVAL;
9806
9807         if (cmd->autoneg == AUTONEG_DISABLE &&
9808             cmd->duplex != DUPLEX_FULL &&
9809             cmd->duplex != DUPLEX_HALF)
9810                 return -EINVAL;
9811
9812         if (cmd->autoneg == AUTONEG_ENABLE) {
9813                 u32 mask = ADVERTISED_Autoneg |
9814                            ADVERTISED_Pause |
9815                            ADVERTISED_Asym_Pause;
9816
9817                 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9818                         mask |= ADVERTISED_1000baseT_Half |
9819                                 ADVERTISED_1000baseT_Full;
9820
9821                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9822                         mask |= ADVERTISED_100baseT_Half |
9823                                 ADVERTISED_100baseT_Full |
9824                                 ADVERTISED_10baseT_Half |
9825                                 ADVERTISED_10baseT_Full |
9826                                 ADVERTISED_TP;
9827                 else
9828                         mask |= ADVERTISED_FIBRE;
9829
9830                 if (cmd->advertising & ~mask)
9831                         return -EINVAL;
9832
9833                 mask &= (ADVERTISED_1000baseT_Half |
9834                          ADVERTISED_1000baseT_Full |
9835                          ADVERTISED_100baseT_Half |
9836                          ADVERTISED_100baseT_Full |
9837                          ADVERTISED_10baseT_Half |
9838                          ADVERTISED_10baseT_Full);
9839
9840                 cmd->advertising &= mask;
9841         } else {
9842                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9843                         if (cmd->speed != SPEED_1000)
9844                                 return -EINVAL;
9845
9846                         if (cmd->duplex != DUPLEX_FULL)
9847                                 return -EINVAL;
9848                 } else {
9849                         if (cmd->speed != SPEED_100 &&
9850                             cmd->speed != SPEED_10)
9851                                 return -EINVAL;
9852                 }
9853         }
9854
9855         tg3_full_lock(tp, 0);
9856
9857         tp->link_config.autoneg = cmd->autoneg;
9858         if (cmd->autoneg == AUTONEG_ENABLE) {
9859                 tp->link_config.advertising = (cmd->advertising |
9860                                               ADVERTISED_Autoneg);
9861                 tp->link_config.speed = SPEED_INVALID;
9862                 tp->link_config.duplex = DUPLEX_INVALID;
9863         } else {
9864                 tp->link_config.advertising = 0;
9865                 tp->link_config.speed = cmd->speed;
9866                 tp->link_config.duplex = cmd->duplex;
9867         }
9868
9869         tp->link_config.orig_speed = tp->link_config.speed;
9870         tp->link_config.orig_duplex = tp->link_config.duplex;
9871         tp->link_config.orig_autoneg = tp->link_config.autoneg;
9872
9873         if (netif_running(dev))
9874                 tg3_setup_phy(tp, 1);
9875
9876         tg3_full_unlock(tp);
9877
9878         return 0;
9879 }
9880
9881 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9882 {
9883         struct tg3 *tp = netdev_priv(dev);
9884
9885         strcpy(info->driver, DRV_MODULE_NAME);
9886         strcpy(info->version, DRV_MODULE_VERSION);
9887         strcpy(info->fw_version, tp->fw_ver);
9888         strcpy(info->bus_info, pci_name(tp->pdev));
9889 }
9890
9891 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9892 {
9893         struct tg3 *tp = netdev_priv(dev);
9894
9895         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9896             device_can_wakeup(&tp->pdev->dev))
9897                 wol->supported = WAKE_MAGIC;
9898         else
9899                 wol->supported = 0;
9900         wol->wolopts = 0;
9901         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9902             device_can_wakeup(&tp->pdev->dev))
9903                 wol->wolopts = WAKE_MAGIC;
9904         memset(&wol->sopass, 0, sizeof(wol->sopass));
9905 }
9906
9907 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9908 {
9909         struct tg3 *tp = netdev_priv(dev);
9910         struct device *dp = &tp->pdev->dev;
9911
9912         if (wol->wolopts & ~WAKE_MAGIC)
9913                 return -EINVAL;
9914         if ((wol->wolopts & WAKE_MAGIC) &&
9915             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9916                 return -EINVAL;
9917
9918         spin_lock_bh(&tp->lock);
9919         if (wol->wolopts & WAKE_MAGIC) {
9920                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9921                 device_set_wakeup_enable(dp, true);
9922         } else {
9923                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9924                 device_set_wakeup_enable(dp, false);
9925         }
9926         spin_unlock_bh(&tp->lock);
9927
9928         return 0;
9929 }
9930
9931 static u32 tg3_get_msglevel(struct net_device *dev)
9932 {
9933         struct tg3 *tp = netdev_priv(dev);
9934         return tp->msg_enable;
9935 }
9936
9937 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9938 {
9939         struct tg3 *tp = netdev_priv(dev);
9940         tp->msg_enable = value;
9941 }
9942
9943 static int tg3_set_tso(struct net_device *dev, u32 value)
9944 {
9945         struct tg3 *tp = netdev_priv(dev);
9946
9947         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9948                 if (value)
9949                         return -EINVAL;
9950                 return 0;
9951         }
9952         if ((dev->features & NETIF_F_IPV6_CSUM) &&
9953             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9954              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9955                 if (value) {
9956                         dev->features |= NETIF_F_TSO6;
9957                         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9958                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9959                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9960                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9961                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9962                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9963                                 dev->features |= NETIF_F_TSO_ECN;
9964                 } else
9965                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9966         }
9967         return ethtool_op_set_tso(dev, value);
9968 }
9969
9970 static int tg3_nway_reset(struct net_device *dev)
9971 {
9972         struct tg3 *tp = netdev_priv(dev);
9973         int r;
9974
9975         if (!netif_running(dev))
9976                 return -EAGAIN;
9977
9978         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9979                 return -EINVAL;
9980
9981         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9982                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9983                         return -EAGAIN;
9984                 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9985         } else {
9986                 u32 bmcr;
9987
9988                 spin_lock_bh(&tp->lock);
9989                 r = -EINVAL;
9990                 tg3_readphy(tp, MII_BMCR, &bmcr);
9991                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9992                     ((bmcr & BMCR_ANENABLE) ||
9993                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9994                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9995                                                    BMCR_ANENABLE);
9996                         r = 0;
9997                 }
9998                 spin_unlock_bh(&tp->lock);
9999         }
10000
10001         return r;
10002 }
10003
10004 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10005 {
10006         struct tg3 *tp = netdev_priv(dev);
10007
10008         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
10009         ering->rx_mini_max_pending = 0;
10010         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10011                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
10012         else
10013                 ering->rx_jumbo_max_pending = 0;
10014
10015         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
10016
10017         ering->rx_pending = tp->rx_pending;
10018         ering->rx_mini_pending = 0;
10019         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10020                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
10021         else
10022                 ering->rx_jumbo_pending = 0;
10023
10024         ering->tx_pending = tp->napi[0].tx_pending;
10025 }
10026
10027 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10028 {
10029         struct tg3 *tp = netdev_priv(dev);
10030         int i, irq_sync = 0, err = 0;
10031
10032         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
10033             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
10034             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
10035             (ering->tx_pending <= MAX_SKB_FRAGS) ||
10036             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
10037              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
10038                 return -EINVAL;
10039
10040         if (netif_running(dev)) {
10041                 tg3_phy_stop(tp);
10042                 tg3_netif_stop(tp);
10043                 irq_sync = 1;
10044         }
10045
10046         tg3_full_lock(tp, irq_sync);
10047
10048         tp->rx_pending = ering->rx_pending;
10049
10050         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
10051             tp->rx_pending > 63)
10052                 tp->rx_pending = 63;
10053         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
10054
10055         for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
10056                 tp->napi[i].tx_pending = ering->tx_pending;
10057
10058         if (netif_running(dev)) {
10059                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10060                 err = tg3_restart_hw(tp, 1);
10061                 if (!err)
10062                         tg3_netif_start(tp);
10063         }
10064
10065         tg3_full_unlock(tp);
10066
10067         if (irq_sync && !err)
10068                 tg3_phy_start(tp);
10069
10070         return err;
10071 }
10072
10073 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10074 {
10075         struct tg3 *tp = netdev_priv(dev);
10076
10077         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
10078
10079         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
10080                 epause->rx_pause = 1;
10081         else
10082                 epause->rx_pause = 0;
10083
10084         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
10085                 epause->tx_pause = 1;
10086         else
10087                 epause->tx_pause = 0;
10088 }
10089
10090 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10091 {
10092         struct tg3 *tp = netdev_priv(dev);
10093         int err = 0;
10094
10095         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10096                 u32 newadv;
10097                 struct phy_device *phydev;
10098
10099                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10100
10101                 if (!(phydev->supported & SUPPORTED_Pause) ||
10102                     (!(phydev->supported & SUPPORTED_Asym_Pause) &&
10103                      ((epause->rx_pause && !epause->tx_pause) ||
10104                       (!epause->rx_pause && epause->tx_pause))))
10105                         return -EINVAL;
10106
10107                 tp->link_config.flowctrl = 0;
10108                 if (epause->rx_pause) {
10109                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
10110
10111                         if (epause->tx_pause) {
10112                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10113                                 newadv = ADVERTISED_Pause;
10114                         } else
10115                                 newadv = ADVERTISED_Pause |
10116                                          ADVERTISED_Asym_Pause;
10117                 } else if (epause->tx_pause) {
10118                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
10119                         newadv = ADVERTISED_Asym_Pause;
10120                 } else
10121                         newadv = 0;
10122
10123                 if (epause->autoneg)
10124                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10125                 else
10126                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10127
10128                 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
10129                         u32 oldadv = phydev->advertising &
10130                                      (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
10131                         if (oldadv != newadv) {
10132                                 phydev->advertising &=
10133                                         ~(ADVERTISED_Pause |
10134                                           ADVERTISED_Asym_Pause);
10135                                 phydev->advertising |= newadv;
10136                                 if (phydev->autoneg) {
10137                                         /*
10138                                          * Always renegotiate the link to
10139                                          * inform our link partner of our
10140                                          * flow control settings, even if the
10141                                          * flow control is forced.  Let
10142                                          * tg3_adjust_link() do the final
10143                                          * flow control setup.
10144                                          */
10145                                         return phy_start_aneg(phydev);
10146                                 }
10147                         }
10148
10149                         if (!epause->autoneg)
10150                                 tg3_setup_flow_control(tp, 0, 0);
10151                 } else {
10152                         tp->link_config.orig_advertising &=
10153                                         ~(ADVERTISED_Pause |
10154                                           ADVERTISED_Asym_Pause);
10155                         tp->link_config.orig_advertising |= newadv;
10156                 }
10157         } else {
10158                 int irq_sync = 0;
10159
10160                 if (netif_running(dev)) {
10161                         tg3_netif_stop(tp);
10162                         irq_sync = 1;
10163                 }
10164
10165                 tg3_full_lock(tp, irq_sync);
10166
10167                 if (epause->autoneg)
10168                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10169                 else
10170                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10171                 if (epause->rx_pause)
10172                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
10173                 else
10174                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10175                 if (epause->tx_pause)
10176                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
10177                 else
10178                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10179
10180                 if (netif_running(dev)) {
10181                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10182                         err = tg3_restart_hw(tp, 1);
10183                         if (!err)
10184                                 tg3_netif_start(tp);
10185                 }
10186
10187                 tg3_full_unlock(tp);
10188         }
10189
10190         return err;
10191 }
10192
10193 static u32 tg3_get_rx_csum(struct net_device *dev)
10194 {
10195         struct tg3 *tp = netdev_priv(dev);
10196         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10197 }
10198
10199 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10200 {
10201         struct tg3 *tp = netdev_priv(dev);
10202
10203         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10204                 if (data != 0)
10205                         return -EINVAL;
10206                 return 0;
10207         }
10208
10209         spin_lock_bh(&tp->lock);
10210         if (data)
10211                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10212         else
10213                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10214         spin_unlock_bh(&tp->lock);
10215
10216         return 0;
10217 }
10218
10219 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10220 {
10221         struct tg3 *tp = netdev_priv(dev);
10222
10223         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10224                 if (data != 0)
10225                         return -EINVAL;
10226                 return 0;
10227         }
10228
10229         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10230                 ethtool_op_set_tx_ipv6_csum(dev, data);
10231         else
10232                 ethtool_op_set_tx_csum(dev, data);
10233
10234         return 0;
10235 }
10236
10237 static int tg3_get_sset_count (struct net_device *dev, int sset)
10238 {
10239         switch (sset) {
10240         case ETH_SS_TEST:
10241                 return TG3_NUM_TEST;
10242         case ETH_SS_STATS:
10243                 return TG3_NUM_STATS;
10244         default:
10245                 return -EOPNOTSUPP;
10246         }
10247 }
10248
10249 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
10250 {
10251         switch (stringset) {
10252         case ETH_SS_STATS:
10253                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
10254                 break;
10255         case ETH_SS_TEST:
10256                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
10257                 break;
10258         default:
10259                 WARN_ON(1);     /* we need a WARN() */
10260                 break;
10261         }
10262 }
10263
10264 static int tg3_phys_id(struct net_device *dev, u32 data)
10265 {
10266         struct tg3 *tp = netdev_priv(dev);
10267         int i;
10268
10269         if (!netif_running(tp->dev))
10270                 return -EAGAIN;
10271
10272         if (data == 0)
10273                 data = UINT_MAX / 2;
10274
10275         for (i = 0; i < (data * 2); i++) {
10276                 if ((i % 2) == 0)
10277                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10278                                            LED_CTRL_1000MBPS_ON |
10279                                            LED_CTRL_100MBPS_ON |
10280                                            LED_CTRL_10MBPS_ON |
10281                                            LED_CTRL_TRAFFIC_OVERRIDE |
10282                                            LED_CTRL_TRAFFIC_BLINK |
10283                                            LED_CTRL_TRAFFIC_LED);
10284
10285                 else
10286                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10287                                            LED_CTRL_TRAFFIC_OVERRIDE);
10288
10289                 if (msleep_interruptible(500))
10290                         break;
10291         }
10292         tw32(MAC_LED_CTRL, tp->led_ctrl);
10293         return 0;
10294 }
10295
10296 static void tg3_get_ethtool_stats (struct net_device *dev,
10297                                    struct ethtool_stats *estats, u64 *tmp_stats)
10298 {
10299         struct tg3 *tp = netdev_priv(dev);
10300         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10301 }
10302
10303 #define NVRAM_TEST_SIZE 0x100
10304 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
10305 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
10306 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
10307 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10308 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10309
10310 static int tg3_test_nvram(struct tg3 *tp)
10311 {
10312         u32 csum, magic;
10313         __be32 *buf;
10314         int i, j, k, err = 0, size;
10315
10316         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10317                 return 0;
10318
10319         if (tg3_nvram_read(tp, 0, &magic) != 0)
10320                 return -EIO;
10321
10322         if (magic == TG3_EEPROM_MAGIC)
10323                 size = NVRAM_TEST_SIZE;
10324         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10325                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10326                     TG3_EEPROM_SB_FORMAT_1) {
10327                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10328                         case TG3_EEPROM_SB_REVISION_0:
10329                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10330                                 break;
10331                         case TG3_EEPROM_SB_REVISION_2:
10332                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10333                                 break;
10334                         case TG3_EEPROM_SB_REVISION_3:
10335                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10336                                 break;
10337                         default:
10338                                 return 0;
10339                         }
10340                 } else
10341                         return 0;
10342         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10343                 size = NVRAM_SELFBOOT_HW_SIZE;
10344         else
10345                 return -EIO;
10346
10347         buf = kmalloc(size, GFP_KERNEL);
10348         if (buf == NULL)
10349                 return -ENOMEM;
10350
10351         err = -EIO;
10352         for (i = 0, j = 0; i < size; i += 4, j++) {
10353                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10354                 if (err)
10355                         break;
10356         }
10357         if (i < size)
10358                 goto out;
10359
10360         /* Selfboot format */
10361         magic = be32_to_cpu(buf[0]);
10362         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10363             TG3_EEPROM_MAGIC_FW) {
10364                 u8 *buf8 = (u8 *) buf, csum8 = 0;
10365
10366                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10367                     TG3_EEPROM_SB_REVISION_2) {
10368                         /* For rev 2, the csum doesn't include the MBA. */
10369                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10370                                 csum8 += buf8[i];
10371                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10372                                 csum8 += buf8[i];
10373                 } else {
10374                         for (i = 0; i < size; i++)
10375                                 csum8 += buf8[i];
10376                 }
10377
10378                 if (csum8 == 0) {
10379                         err = 0;
10380                         goto out;
10381                 }
10382
10383                 err = -EIO;
10384                 goto out;
10385         }
10386
10387         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10388             TG3_EEPROM_MAGIC_HW) {
10389                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10390                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10391                 u8 *buf8 = (u8 *) buf;
10392
10393                 /* Separate the parity bits and the data bytes.  */
10394                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10395                         if ((i == 0) || (i == 8)) {
10396                                 int l;
10397                                 u8 msk;
10398
10399                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10400                                         parity[k++] = buf8[i] & msk;
10401                                 i++;
10402                         }
10403                         else if (i == 16) {
10404                                 int l;
10405                                 u8 msk;
10406
10407                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10408                                         parity[k++] = buf8[i] & msk;
10409                                 i++;
10410
10411                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10412                                         parity[k++] = buf8[i] & msk;
10413                                 i++;
10414                         }
10415                         data[j++] = buf8[i];
10416                 }
10417
10418                 err = -EIO;
10419                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10420                         u8 hw8 = hweight8(data[i]);
10421
10422                         if ((hw8 & 0x1) && parity[i])
10423                                 goto out;
10424                         else if (!(hw8 & 0x1) && !parity[i])
10425                                 goto out;
10426                 }
10427                 err = 0;
10428                 goto out;
10429         }
10430
10431         /* Bootstrap checksum at offset 0x10 */
10432         csum = calc_crc((unsigned char *) buf, 0x10);
10433         if (csum != be32_to_cpu(buf[0x10/4]))
10434                 goto out;
10435
10436         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10437         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10438         if (csum != be32_to_cpu(buf[0xfc/4]))
10439                 goto out;
10440
10441         err = 0;
10442
10443 out:
10444         kfree(buf);
10445         return err;
10446 }
10447
10448 #define TG3_SERDES_TIMEOUT_SEC  2
10449 #define TG3_COPPER_TIMEOUT_SEC  6
10450
10451 static int tg3_test_link(struct tg3 *tp)
10452 {
10453         int i, max;
10454
10455         if (!netif_running(tp->dev))
10456                 return -ENODEV;
10457
10458         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10459                 max = TG3_SERDES_TIMEOUT_SEC;
10460         else
10461                 max = TG3_COPPER_TIMEOUT_SEC;
10462
10463         for (i = 0; i < max; i++) {
10464                 if (netif_carrier_ok(tp->dev))
10465                         return 0;
10466
10467                 if (msleep_interruptible(1000))
10468                         break;
10469         }
10470
10471         return -EIO;
10472 }
10473
10474 /* Only test the commonly used registers */
10475 static int tg3_test_registers(struct tg3 *tp)
10476 {
10477         int i, is_5705, is_5750;
10478         u32 offset, read_mask, write_mask, val, save_val, read_val;
10479         static struct {
10480                 u16 offset;
10481                 u16 flags;
10482 #define TG3_FL_5705     0x1
10483 #define TG3_FL_NOT_5705 0x2
10484 #define TG3_FL_NOT_5788 0x4
10485 #define TG3_FL_NOT_5750 0x8
10486                 u32 read_mask;
10487                 u32 write_mask;
10488         } reg_tbl[] = {
10489                 /* MAC Control Registers */
10490                 { MAC_MODE, TG3_FL_NOT_5705,
10491                         0x00000000, 0x00ef6f8c },
10492                 { MAC_MODE, TG3_FL_5705,
10493                         0x00000000, 0x01ef6b8c },
10494                 { MAC_STATUS, TG3_FL_NOT_5705,
10495                         0x03800107, 0x00000000 },
10496                 { MAC_STATUS, TG3_FL_5705,
10497                         0x03800100, 0x00000000 },
10498                 { MAC_ADDR_0_HIGH, 0x0000,
10499                         0x00000000, 0x0000ffff },
10500                 { MAC_ADDR_0_LOW, 0x0000,
10501                         0x00000000, 0xffffffff },
10502                 { MAC_RX_MTU_SIZE, 0x0000,
10503                         0x00000000, 0x0000ffff },
10504                 { MAC_TX_MODE, 0x0000,
10505                         0x00000000, 0x00000070 },
10506                 { MAC_TX_LENGTHS, 0x0000,
10507                         0x00000000, 0x00003fff },
10508                 { MAC_RX_MODE, TG3_FL_NOT_5705,
10509                         0x00000000, 0x000007fc },
10510                 { MAC_RX_MODE, TG3_FL_5705,
10511                         0x00000000, 0x000007dc },
10512                 { MAC_HASH_REG_0, 0x0000,
10513                         0x00000000, 0xffffffff },
10514                 { MAC_HASH_REG_1, 0x0000,
10515                         0x00000000, 0xffffffff },
10516                 { MAC_HASH_REG_2, 0x0000,
10517                         0x00000000, 0xffffffff },
10518                 { MAC_HASH_REG_3, 0x0000,
10519                         0x00000000, 0xffffffff },
10520
10521                 /* Receive Data and Receive BD Initiator Control Registers. */
10522                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10523                         0x00000000, 0xffffffff },
10524                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10525                         0x00000000, 0xffffffff },
10526                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10527                         0x00000000, 0x00000003 },
10528                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10529                         0x00000000, 0xffffffff },
10530                 { RCVDBDI_STD_BD+0, 0x0000,
10531                         0x00000000, 0xffffffff },
10532                 { RCVDBDI_STD_BD+4, 0x0000,
10533                         0x00000000, 0xffffffff },
10534                 { RCVDBDI_STD_BD+8, 0x0000,
10535                         0x00000000, 0xffff0002 },
10536                 { RCVDBDI_STD_BD+0xc, 0x0000,
10537                         0x00000000, 0xffffffff },
10538
10539                 /* Receive BD Initiator Control Registers. */
10540                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10541                         0x00000000, 0xffffffff },
10542                 { RCVBDI_STD_THRESH, TG3_FL_5705,
10543                         0x00000000, 0x000003ff },
10544                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10545                         0x00000000, 0xffffffff },
10546
10547                 /* Host Coalescing Control Registers. */
10548                 { HOSTCC_MODE, TG3_FL_NOT_5705,
10549                         0x00000000, 0x00000004 },
10550                 { HOSTCC_MODE, TG3_FL_5705,
10551                         0x00000000, 0x000000f6 },
10552                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10553                         0x00000000, 0xffffffff },
10554                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10555                         0x00000000, 0x000003ff },
10556                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10557                         0x00000000, 0xffffffff },
10558                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10559                         0x00000000, 0x000003ff },
10560                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10561                         0x00000000, 0xffffffff },
10562                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10563                         0x00000000, 0x000000ff },
10564                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10565                         0x00000000, 0xffffffff },
10566                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10567                         0x00000000, 0x000000ff },
10568                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10569                         0x00000000, 0xffffffff },
10570                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10571                         0x00000000, 0xffffffff },
10572                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10573                         0x00000000, 0xffffffff },
10574                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10575                         0x00000000, 0x000000ff },
10576                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10577                         0x00000000, 0xffffffff },
10578                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10579                         0x00000000, 0x000000ff },
10580                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10581                         0x00000000, 0xffffffff },
10582                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10583                         0x00000000, 0xffffffff },
10584                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10585                         0x00000000, 0xffffffff },
10586                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10587                         0x00000000, 0xffffffff },
10588                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10589                         0x00000000, 0xffffffff },
10590                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10591                         0xffffffff, 0x00000000 },
10592                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10593                         0xffffffff, 0x00000000 },
10594
10595                 /* Buffer Manager Control Registers. */
10596                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10597                         0x00000000, 0x007fff80 },
10598                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10599                         0x00000000, 0x007fffff },
10600                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10601                         0x00000000, 0x0000003f },
10602                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10603                         0x00000000, 0x000001ff },
10604                 { BUFMGR_MB_HIGH_WATER, 0x0000,
10605                         0x00000000, 0x000001ff },
10606                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10607                         0xffffffff, 0x00000000 },
10608                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10609                         0xffffffff, 0x00000000 },
10610
10611                 /* Mailbox Registers */
10612                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10613                         0x00000000, 0x000001ff },
10614                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10615                         0x00000000, 0x000001ff },
10616                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10617                         0x00000000, 0x000007ff },
10618                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10619                         0x00000000, 0x000001ff },
10620
10621                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10622         };
10623
10624         is_5705 = is_5750 = 0;
10625         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10626                 is_5705 = 1;
10627                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10628                         is_5750 = 1;
10629         }
10630
10631         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10632                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10633                         continue;
10634
10635                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10636                         continue;
10637
10638                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10639                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
10640                         continue;
10641
10642                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10643                         continue;
10644
10645                 offset = (u32) reg_tbl[i].offset;
10646                 read_mask = reg_tbl[i].read_mask;
10647                 write_mask = reg_tbl[i].write_mask;
10648
10649                 /* Save the original register content */
10650                 save_val = tr32(offset);
10651
10652                 /* Determine the read-only value. */
10653                 read_val = save_val & read_mask;
10654
10655                 /* Write zero to the register, then make sure the read-only bits
10656                  * are not changed and the read/write bits are all zeros.
10657                  */
10658                 tw32(offset, 0);
10659
10660                 val = tr32(offset);
10661
10662                 /* Test the read-only and read/write bits. */
10663                 if (((val & read_mask) != read_val) || (val & write_mask))
10664                         goto out;
10665
10666                 /* Write ones to all the bits defined by RdMask and WrMask, then
10667                  * make sure the read-only bits are not changed and the
10668                  * read/write bits are all ones.
10669                  */
10670                 tw32(offset, read_mask | write_mask);
10671
10672                 val = tr32(offset);
10673
10674                 /* Test the read-only bits. */
10675                 if ((val & read_mask) != read_val)
10676                         goto out;
10677
10678                 /* Test the read/write bits. */
10679                 if ((val & write_mask) != write_mask)
10680                         goto out;
10681
10682                 tw32(offset, save_val);
10683         }
10684
10685         return 0;
10686
10687 out:
10688         if (netif_msg_hw(tp))
10689                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
10690                        offset);
10691         tw32(offset, save_val);
10692         return -EIO;
10693 }
10694
10695 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10696 {
10697         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10698         int i;
10699         u32 j;
10700
10701         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10702                 for (j = 0; j < len; j += 4) {
10703                         u32 val;
10704
10705                         tg3_write_mem(tp, offset + j, test_pattern[i]);
10706                         tg3_read_mem(tp, offset + j, &val);
10707                         if (val != test_pattern[i])
10708                                 return -EIO;
10709                 }
10710         }
10711         return 0;
10712 }
10713
10714 static int tg3_test_memory(struct tg3 *tp)
10715 {
10716         static struct mem_entry {
10717                 u32 offset;
10718                 u32 len;
10719         } mem_tbl_570x[] = {
10720                 { 0x00000000, 0x00b50},
10721                 { 0x00002000, 0x1c000},
10722                 { 0xffffffff, 0x00000}
10723         }, mem_tbl_5705[] = {
10724                 { 0x00000100, 0x0000c},
10725                 { 0x00000200, 0x00008},
10726                 { 0x00004000, 0x00800},
10727                 { 0x00006000, 0x01000},
10728                 { 0x00008000, 0x02000},
10729                 { 0x00010000, 0x0e000},
10730                 { 0xffffffff, 0x00000}
10731         }, mem_tbl_5755[] = {
10732                 { 0x00000200, 0x00008},
10733                 { 0x00004000, 0x00800},
10734                 { 0x00006000, 0x00800},
10735                 { 0x00008000, 0x02000},
10736                 { 0x00010000, 0x0c000},
10737                 { 0xffffffff, 0x00000}
10738         }, mem_tbl_5906[] = {
10739                 { 0x00000200, 0x00008},
10740                 { 0x00004000, 0x00400},
10741                 { 0x00006000, 0x00400},
10742                 { 0x00008000, 0x01000},
10743                 { 0x00010000, 0x01000},
10744                 { 0xffffffff, 0x00000}
10745         }, mem_tbl_5717[] = {
10746                 { 0x00000200, 0x00008},
10747                 { 0x00010000, 0x0a000},
10748                 { 0x00020000, 0x13c00},
10749                 { 0xffffffff, 0x00000}
10750         }, mem_tbl_57765[] = {
10751                 { 0x00000200, 0x00008},
10752                 { 0x00004000, 0x00800},
10753                 { 0x00006000, 0x09800},
10754                 { 0x00010000, 0x0a000},
10755                 { 0xffffffff, 0x00000}
10756         };
10757         struct mem_entry *mem_tbl;
10758         int err = 0;
10759         int i;
10760
10761         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
10762                 mem_tbl = mem_tbl_5717;
10763         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10764                 mem_tbl = mem_tbl_57765;
10765         else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10766                 mem_tbl = mem_tbl_5755;
10767         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10768                 mem_tbl = mem_tbl_5906;
10769         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10770                 mem_tbl = mem_tbl_5705;
10771         else
10772                 mem_tbl = mem_tbl_570x;
10773
10774         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10775                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10776                     mem_tbl[i].len)) != 0)
10777                         break;
10778         }
10779
10780         return err;
10781 }
10782
10783 #define TG3_MAC_LOOPBACK        0
10784 #define TG3_PHY_LOOPBACK        1
10785
10786 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10787 {
10788         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10789         u32 desc_idx, coal_now;
10790         struct sk_buff *skb, *rx_skb;
10791         u8 *tx_data;
10792         dma_addr_t map;
10793         int num_pkts, tx_len, rx_len, i, err;
10794         struct tg3_rx_buffer_desc *desc;
10795         struct tg3_napi *tnapi, *rnapi;
10796         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10797
10798         tnapi = &tp->napi[0];
10799         rnapi = &tp->napi[0];
10800         if (tp->irq_cnt > 1) {
10801                 rnapi = &tp->napi[1];
10802                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
10803                         tnapi = &tp->napi[1];
10804         }
10805         coal_now = tnapi->coal_now | rnapi->coal_now;
10806
10807         if (loopback_mode == TG3_MAC_LOOPBACK) {
10808                 /* HW errata - mac loopback fails in some cases on 5780.
10809                  * Normal traffic and PHY loopback are not affected by
10810                  * errata.
10811                  */
10812                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10813                         return 0;
10814
10815                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10816                            MAC_MODE_PORT_INT_LPBACK;
10817                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10818                         mac_mode |= MAC_MODE_LINK_POLARITY;
10819                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10820                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10821                 else
10822                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10823                 tw32(MAC_MODE, mac_mode);
10824         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10825                 u32 val;
10826
10827                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10828                         tg3_phy_fet_toggle_apd(tp, false);
10829                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10830                 } else
10831                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10832
10833                 tg3_phy_toggle_automdix(tp, 0);
10834
10835                 tg3_writephy(tp, MII_BMCR, val);
10836                 udelay(40);
10837
10838                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10839                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10840                         tg3_writephy(tp, MII_TG3_FET_PTEST,
10841                                      MII_TG3_FET_PTEST_FRC_TX_LINK |
10842                                      MII_TG3_FET_PTEST_FRC_TX_LOCK);
10843                         /* The write needs to be flushed for the AC131 */
10844                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10845                                 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
10846                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10847                 } else
10848                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10849
10850                 /* reset to prevent losing 1st rx packet intermittently */
10851                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10852                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10853                         udelay(10);
10854                         tw32_f(MAC_RX_MODE, tp->rx_mode);
10855                 }
10856                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10857                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10858                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10859                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10860                                 mac_mode |= MAC_MODE_LINK_POLARITY;
10861                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
10862                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10863                 }
10864                 tw32(MAC_MODE, mac_mode);
10865         }
10866         else
10867                 return -EINVAL;
10868
10869         err = -EIO;
10870
10871         tx_len = 1514;
10872         skb = netdev_alloc_skb(tp->dev, tx_len);
10873         if (!skb)
10874                 return -ENOMEM;
10875
10876         tx_data = skb_put(skb, tx_len);
10877         memcpy(tx_data, tp->dev->dev_addr, 6);
10878         memset(tx_data + 6, 0x0, 8);
10879
10880         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10881
10882         for (i = 14; i < tx_len; i++)
10883                 tx_data[i] = (u8) (i & 0xff);
10884
10885         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10886         if (pci_dma_mapping_error(tp->pdev, map)) {
10887                 dev_kfree_skb(skb);
10888                 return -EIO;
10889         }
10890
10891         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10892                rnapi->coal_now);
10893
10894         udelay(10);
10895
10896         rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10897
10898         num_pkts = 0;
10899
10900         tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10901
10902         tnapi->tx_prod++;
10903         num_pkts++;
10904
10905         tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10906         tr32_mailbox(tnapi->prodmbox);
10907
10908         udelay(10);
10909
10910         /* 350 usec to allow enough time on some 10/100 Mbps devices.  */
10911         for (i = 0; i < 35; i++) {
10912                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10913                        coal_now);
10914
10915                 udelay(10);
10916
10917                 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10918                 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10919                 if ((tx_idx == tnapi->tx_prod) &&
10920                     (rx_idx == (rx_start_idx + num_pkts)))
10921                         break;
10922         }
10923
10924         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10925         dev_kfree_skb(skb);
10926
10927         if (tx_idx != tnapi->tx_prod)
10928                 goto out;
10929
10930         if (rx_idx != rx_start_idx + num_pkts)
10931                 goto out;
10932
10933         desc = &rnapi->rx_rcb[rx_start_idx];
10934         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10935         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10936         if (opaque_key != RXD_OPAQUE_RING_STD)
10937                 goto out;
10938
10939         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10940             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10941                 goto out;
10942
10943         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10944         if (rx_len != tx_len)
10945                 goto out;
10946
10947         rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10948
10949         map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10950         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10951
10952         for (i = 14; i < tx_len; i++) {
10953                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10954                         goto out;
10955         }
10956         err = 0;
10957
10958         /* tg3_free_rings will unmap and free the rx_skb */
10959 out:
10960         return err;
10961 }
10962
10963 #define TG3_MAC_LOOPBACK_FAILED         1
10964 #define TG3_PHY_LOOPBACK_FAILED         2
10965 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
10966                                          TG3_PHY_LOOPBACK_FAILED)
10967
10968 static int tg3_test_loopback(struct tg3 *tp)
10969 {
10970         int err = 0;
10971         u32 cpmuctrl = 0;
10972
10973         if (!netif_running(tp->dev))
10974                 return TG3_LOOPBACK_FAILED;
10975
10976         err = tg3_reset_hw(tp, 1);
10977         if (err)
10978                 return TG3_LOOPBACK_FAILED;
10979
10980         /* Turn off gphy autopowerdown. */
10981         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10982                 tg3_phy_toggle_apd(tp, false);
10983
10984         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10985                 int i;
10986                 u32 status;
10987
10988                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10989
10990                 /* Wait for up to 40 microseconds to acquire lock. */
10991                 for (i = 0; i < 4; i++) {
10992                         status = tr32(TG3_CPMU_MUTEX_GNT);
10993                         if (status == CPMU_MUTEX_GNT_DRIVER)
10994                                 break;
10995                         udelay(10);
10996                 }
10997
10998                 if (status != CPMU_MUTEX_GNT_DRIVER)
10999                         return TG3_LOOPBACK_FAILED;
11000
11001                 /* Turn off link-based power management. */
11002                 cpmuctrl = tr32(TG3_CPMU_CTRL);
11003                 tw32(TG3_CPMU_CTRL,
11004                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
11005                                   CPMU_CTRL_LINK_AWARE_MODE));
11006         }
11007
11008         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
11009                 err |= TG3_MAC_LOOPBACK_FAILED;
11010
11011         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
11012                 tw32(TG3_CPMU_CTRL, cpmuctrl);
11013
11014                 /* Release the mutex */
11015                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
11016         }
11017
11018         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
11019             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
11020                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
11021                         err |= TG3_PHY_LOOPBACK_FAILED;
11022         }
11023
11024         /* Re-enable gphy autopowerdown. */
11025         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
11026                 tg3_phy_toggle_apd(tp, true);
11027
11028         return err;
11029 }
11030
11031 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
11032                           u64 *data)
11033 {
11034         struct tg3 *tp = netdev_priv(dev);
11035
11036         if (tp->link_config.phy_is_low_power)
11037                 tg3_set_power_state(tp, PCI_D0);
11038
11039         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
11040
11041         if (tg3_test_nvram(tp) != 0) {
11042                 etest->flags |= ETH_TEST_FL_FAILED;
11043                 data[0] = 1;
11044         }
11045         if (tg3_test_link(tp) != 0) {
11046                 etest->flags |= ETH_TEST_FL_FAILED;
11047                 data[1] = 1;
11048         }
11049         if (etest->flags & ETH_TEST_FL_OFFLINE) {
11050                 int err, err2 = 0, irq_sync = 0;
11051
11052                 if (netif_running(dev)) {
11053                         tg3_phy_stop(tp);
11054                         tg3_netif_stop(tp);
11055                         irq_sync = 1;
11056                 }
11057
11058                 tg3_full_lock(tp, irq_sync);
11059
11060                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
11061                 err = tg3_nvram_lock(tp);
11062                 tg3_halt_cpu(tp, RX_CPU_BASE);
11063                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11064                         tg3_halt_cpu(tp, TX_CPU_BASE);
11065                 if (!err)
11066                         tg3_nvram_unlock(tp);
11067
11068                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
11069                         tg3_phy_reset(tp);
11070
11071                 if (tg3_test_registers(tp) != 0) {
11072                         etest->flags |= ETH_TEST_FL_FAILED;
11073                         data[2] = 1;
11074                 }
11075                 if (tg3_test_memory(tp) != 0) {
11076                         etest->flags |= ETH_TEST_FL_FAILED;
11077                         data[3] = 1;
11078                 }
11079                 if ((data[4] = tg3_test_loopback(tp)) != 0)
11080                         etest->flags |= ETH_TEST_FL_FAILED;
11081
11082                 tg3_full_unlock(tp);
11083
11084                 if (tg3_test_interrupt(tp) != 0) {
11085                         etest->flags |= ETH_TEST_FL_FAILED;
11086                         data[5] = 1;
11087                 }
11088
11089                 tg3_full_lock(tp, 0);
11090
11091                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11092                 if (netif_running(dev)) {
11093                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11094                         err2 = tg3_restart_hw(tp, 1);
11095                         if (!err2)
11096                                 tg3_netif_start(tp);
11097                 }
11098
11099                 tg3_full_unlock(tp);
11100
11101                 if (irq_sync && !err2)
11102                         tg3_phy_start(tp);
11103         }
11104         if (tp->link_config.phy_is_low_power)
11105                 tg3_set_power_state(tp, PCI_D3hot);
11106
11107 }
11108
11109 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11110 {
11111         struct mii_ioctl_data *data = if_mii(ifr);
11112         struct tg3 *tp = netdev_priv(dev);
11113         int err;
11114
11115         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
11116                 struct phy_device *phydev;
11117                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
11118                         return -EAGAIN;
11119                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
11120                 return phy_mii_ioctl(phydev, data, cmd);
11121         }
11122
11123         switch(cmd) {
11124         case SIOCGMIIPHY:
11125                 data->phy_id = tp->phy_addr;
11126
11127                 /* fallthru */
11128         case SIOCGMIIREG: {
11129                 u32 mii_regval;
11130
11131                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11132                         break;                  /* We have no PHY */
11133
11134                 if (tp->link_config.phy_is_low_power)
11135                         return -EAGAIN;
11136
11137                 spin_lock_bh(&tp->lock);
11138                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
11139                 spin_unlock_bh(&tp->lock);
11140
11141                 data->val_out = mii_regval;
11142
11143                 return err;
11144         }
11145
11146         case SIOCSMIIREG:
11147                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11148                         break;                  /* We have no PHY */
11149
11150                 if (tp->link_config.phy_is_low_power)
11151                         return -EAGAIN;
11152
11153                 spin_lock_bh(&tp->lock);
11154                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
11155                 spin_unlock_bh(&tp->lock);
11156
11157                 return err;
11158
11159         default:
11160                 /* do nothing */
11161                 break;
11162         }
11163         return -EOPNOTSUPP;
11164 }
11165
11166 #if TG3_VLAN_TAG_USED
11167 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11168 {
11169         struct tg3 *tp = netdev_priv(dev);
11170
11171         if (!netif_running(dev)) {
11172                 tp->vlgrp = grp;
11173                 return;
11174         }
11175
11176         tg3_netif_stop(tp);
11177
11178         tg3_full_lock(tp, 0);
11179
11180         tp->vlgrp = grp;
11181
11182         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11183         __tg3_set_rx_mode(dev);
11184
11185         tg3_netif_start(tp);
11186
11187         tg3_full_unlock(tp);
11188 }
11189 #endif
11190
11191 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11192 {
11193         struct tg3 *tp = netdev_priv(dev);
11194
11195         memcpy(ec, &tp->coal, sizeof(*ec));
11196         return 0;
11197 }
11198
11199 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11200 {
11201         struct tg3 *tp = netdev_priv(dev);
11202         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11203         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11204
11205         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11206                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11207                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11208                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11209                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11210         }
11211
11212         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11213             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11214             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11215             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11216             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11217             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11218             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11219             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11220             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11221             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11222                 return -EINVAL;
11223
11224         /* No rx interrupts will be generated if both are zero */
11225         if ((ec->rx_coalesce_usecs == 0) &&
11226             (ec->rx_max_coalesced_frames == 0))
11227                 return -EINVAL;
11228
11229         /* No tx interrupts will be generated if both are zero */
11230         if ((ec->tx_coalesce_usecs == 0) &&
11231             (ec->tx_max_coalesced_frames == 0))
11232                 return -EINVAL;
11233
11234         /* Only copy relevant parameters, ignore all others. */
11235         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11236         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11237         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11238         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11239         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11240         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11241         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11242         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11243         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11244
11245         if (netif_running(dev)) {
11246                 tg3_full_lock(tp, 0);
11247                 __tg3_set_coalesce(tp, &tp->coal);
11248                 tg3_full_unlock(tp);
11249         }
11250         return 0;
11251 }
11252
11253 static const struct ethtool_ops tg3_ethtool_ops = {
11254         .get_settings           = tg3_get_settings,
11255         .set_settings           = tg3_set_settings,
11256         .get_drvinfo            = tg3_get_drvinfo,
11257         .get_regs_len           = tg3_get_regs_len,
11258         .get_regs               = tg3_get_regs,
11259         .get_wol                = tg3_get_wol,
11260         .set_wol                = tg3_set_wol,
11261         .get_msglevel           = tg3_get_msglevel,
11262         .set_msglevel           = tg3_set_msglevel,
11263         .nway_reset             = tg3_nway_reset,
11264         .get_link               = ethtool_op_get_link,
11265         .get_eeprom_len         = tg3_get_eeprom_len,
11266         .get_eeprom             = tg3_get_eeprom,
11267         .set_eeprom             = tg3_set_eeprom,
11268         .get_ringparam          = tg3_get_ringparam,
11269         .set_ringparam          = tg3_set_ringparam,
11270         .get_pauseparam         = tg3_get_pauseparam,
11271         .set_pauseparam         = tg3_set_pauseparam,
11272         .get_rx_csum            = tg3_get_rx_csum,
11273         .set_rx_csum            = tg3_set_rx_csum,
11274         .set_tx_csum            = tg3_set_tx_csum,
11275         .set_sg                 = ethtool_op_set_sg,
11276         .set_tso                = tg3_set_tso,
11277         .self_test              = tg3_self_test,
11278         .get_strings            = tg3_get_strings,
11279         .phys_id                = tg3_phys_id,
11280         .get_ethtool_stats      = tg3_get_ethtool_stats,
11281         .get_coalesce           = tg3_get_coalesce,
11282         .set_coalesce           = tg3_set_coalesce,
11283         .get_sset_count         = tg3_get_sset_count,
11284 };
11285
11286 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11287 {
11288         u32 cursize, val, magic;
11289
11290         tp->nvram_size = EEPROM_CHIP_SIZE;
11291
11292         if (tg3_nvram_read(tp, 0, &magic) != 0)
11293                 return;
11294
11295         if ((magic != TG3_EEPROM_MAGIC) &&
11296             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11297             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11298                 return;
11299
11300         /*
11301          * Size the chip by reading offsets at increasing powers of two.
11302          * When we encounter our validation signature, we know the addressing
11303          * has wrapped around, and thus have our chip size.
11304          */
11305         cursize = 0x10;
11306
11307         while (cursize < tp->nvram_size) {
11308                 if (tg3_nvram_read(tp, cursize, &val) != 0)
11309                         return;
11310
11311                 if (val == magic)
11312                         break;
11313
11314                 cursize <<= 1;
11315         }
11316
11317         tp->nvram_size = cursize;
11318 }
11319
11320 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11321 {
11322         u32 val;
11323
11324         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11325             tg3_nvram_read(tp, 0, &val) != 0)
11326                 return;
11327
11328         /* Selfboot format */
11329         if (val != TG3_EEPROM_MAGIC) {
11330                 tg3_get_eeprom_size(tp);
11331                 return;
11332         }
11333
11334         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11335                 if (val != 0) {
11336                         /* This is confusing.  We want to operate on the
11337                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
11338                          * call will read from NVRAM and byteswap the data
11339                          * according to the byteswapping settings for all
11340                          * other register accesses.  This ensures the data we
11341                          * want will always reside in the lower 16-bits.
11342                          * However, the data in NVRAM is in LE format, which
11343                          * means the data from the NVRAM read will always be
11344                          * opposite the endianness of the CPU.  The 16-bit
11345                          * byteswap then brings the data to CPU endianness.
11346                          */
11347                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11348                         return;
11349                 }
11350         }
11351         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11352 }
11353
11354 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11355 {
11356         u32 nvcfg1;
11357
11358         nvcfg1 = tr32(NVRAM_CFG1);
11359         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11360                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11361         } else {
11362                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11363                 tw32(NVRAM_CFG1, nvcfg1);
11364         }
11365
11366         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11367             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11368                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11369                 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11370                         tp->nvram_jedecnum = JEDEC_ATMEL;
11371                         tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11372                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11373                         break;
11374                 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11375                         tp->nvram_jedecnum = JEDEC_ATMEL;
11376                         tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11377                         break;
11378                 case FLASH_VENDOR_ATMEL_EEPROM:
11379                         tp->nvram_jedecnum = JEDEC_ATMEL;
11380                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11381                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11382                         break;
11383                 case FLASH_VENDOR_ST:
11384                         tp->nvram_jedecnum = JEDEC_ST;
11385                         tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11386                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11387                         break;
11388                 case FLASH_VENDOR_SAIFUN:
11389                         tp->nvram_jedecnum = JEDEC_SAIFUN;
11390                         tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11391                         break;
11392                 case FLASH_VENDOR_SST_SMALL:
11393                 case FLASH_VENDOR_SST_LARGE:
11394                         tp->nvram_jedecnum = JEDEC_SST;
11395                         tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11396                         break;
11397                 }
11398         } else {
11399                 tp->nvram_jedecnum = JEDEC_ATMEL;
11400                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11401                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11402         }
11403 }
11404
11405 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11406 {
11407         switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11408         case FLASH_5752PAGE_SIZE_256:
11409                 tp->nvram_pagesize = 256;
11410                 break;
11411         case FLASH_5752PAGE_SIZE_512:
11412                 tp->nvram_pagesize = 512;
11413                 break;
11414         case FLASH_5752PAGE_SIZE_1K:
11415                 tp->nvram_pagesize = 1024;
11416                 break;
11417         case FLASH_5752PAGE_SIZE_2K:
11418                 tp->nvram_pagesize = 2048;
11419                 break;
11420         case FLASH_5752PAGE_SIZE_4K:
11421                 tp->nvram_pagesize = 4096;
11422                 break;
11423         case FLASH_5752PAGE_SIZE_264:
11424                 tp->nvram_pagesize = 264;
11425                 break;
11426         case FLASH_5752PAGE_SIZE_528:
11427                 tp->nvram_pagesize = 528;
11428                 break;
11429         }
11430 }
11431
11432 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11433 {
11434         u32 nvcfg1;
11435
11436         nvcfg1 = tr32(NVRAM_CFG1);
11437
11438         /* NVRAM protection for TPM */
11439         if (nvcfg1 & (1 << 27))
11440                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11441
11442         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11443         case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11444         case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11445                 tp->nvram_jedecnum = JEDEC_ATMEL;
11446                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11447                 break;
11448         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11449                 tp->nvram_jedecnum = JEDEC_ATMEL;
11450                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11451                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11452                 break;
11453         case FLASH_5752VENDOR_ST_M45PE10:
11454         case FLASH_5752VENDOR_ST_M45PE20:
11455         case FLASH_5752VENDOR_ST_M45PE40:
11456                 tp->nvram_jedecnum = JEDEC_ST;
11457                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11458                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11459                 break;
11460         }
11461
11462         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11463                 tg3_nvram_get_pagesize(tp, nvcfg1);
11464         } else {
11465                 /* For eeprom, set pagesize to maximum eeprom size */
11466                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11467
11468                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11469                 tw32(NVRAM_CFG1, nvcfg1);
11470         }
11471 }
11472
11473 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11474 {
11475         u32 nvcfg1, protect = 0;
11476
11477         nvcfg1 = tr32(NVRAM_CFG1);
11478
11479         /* NVRAM protection for TPM */
11480         if (nvcfg1 & (1 << 27)) {
11481                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11482                 protect = 1;
11483         }
11484
11485         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11486         switch (nvcfg1) {
11487         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11488         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11489         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11490         case FLASH_5755VENDOR_ATMEL_FLASH_5:
11491                 tp->nvram_jedecnum = JEDEC_ATMEL;
11492                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11493                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11494                 tp->nvram_pagesize = 264;
11495                 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11496                     nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11497                         tp->nvram_size = (protect ? 0x3e200 :
11498                                           TG3_NVRAM_SIZE_512KB);
11499                 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11500                         tp->nvram_size = (protect ? 0x1f200 :
11501                                           TG3_NVRAM_SIZE_256KB);
11502                 else
11503                         tp->nvram_size = (protect ? 0x1f200 :
11504                                           TG3_NVRAM_SIZE_128KB);
11505                 break;
11506         case FLASH_5752VENDOR_ST_M45PE10:
11507         case FLASH_5752VENDOR_ST_M45PE20:
11508         case FLASH_5752VENDOR_ST_M45PE40:
11509                 tp->nvram_jedecnum = JEDEC_ST;
11510                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11511                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11512                 tp->nvram_pagesize = 256;
11513                 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11514                         tp->nvram_size = (protect ?
11515                                           TG3_NVRAM_SIZE_64KB :
11516                                           TG3_NVRAM_SIZE_128KB);
11517                 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11518                         tp->nvram_size = (protect ?
11519                                           TG3_NVRAM_SIZE_64KB :
11520                                           TG3_NVRAM_SIZE_256KB);
11521                 else
11522                         tp->nvram_size = (protect ?
11523                                           TG3_NVRAM_SIZE_128KB :
11524                                           TG3_NVRAM_SIZE_512KB);
11525                 break;
11526         }
11527 }
11528
11529 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11530 {
11531         u32 nvcfg1;
11532
11533         nvcfg1 = tr32(NVRAM_CFG1);
11534
11535         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11536         case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11537         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11538         case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11539         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11540                 tp->nvram_jedecnum = JEDEC_ATMEL;
11541                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11542                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11543
11544                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11545                 tw32(NVRAM_CFG1, nvcfg1);
11546                 break;
11547         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11548         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11549         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11550         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11551                 tp->nvram_jedecnum = JEDEC_ATMEL;
11552                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11553                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11554                 tp->nvram_pagesize = 264;
11555                 break;
11556         case FLASH_5752VENDOR_ST_M45PE10:
11557         case FLASH_5752VENDOR_ST_M45PE20:
11558         case FLASH_5752VENDOR_ST_M45PE40:
11559                 tp->nvram_jedecnum = JEDEC_ST;
11560                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11561                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11562                 tp->nvram_pagesize = 256;
11563                 break;
11564         }
11565 }
11566
11567 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11568 {
11569         u32 nvcfg1, protect = 0;
11570
11571         nvcfg1 = tr32(NVRAM_CFG1);
11572
11573         /* NVRAM protection for TPM */
11574         if (nvcfg1 & (1 << 27)) {
11575                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11576                 protect = 1;
11577         }
11578
11579         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11580         switch (nvcfg1) {
11581         case FLASH_5761VENDOR_ATMEL_ADB021D:
11582         case FLASH_5761VENDOR_ATMEL_ADB041D:
11583         case FLASH_5761VENDOR_ATMEL_ADB081D:
11584         case FLASH_5761VENDOR_ATMEL_ADB161D:
11585         case FLASH_5761VENDOR_ATMEL_MDB021D:
11586         case FLASH_5761VENDOR_ATMEL_MDB041D:
11587         case FLASH_5761VENDOR_ATMEL_MDB081D:
11588         case FLASH_5761VENDOR_ATMEL_MDB161D:
11589                 tp->nvram_jedecnum = JEDEC_ATMEL;
11590                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11591                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11592                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11593                 tp->nvram_pagesize = 256;
11594                 break;
11595         case FLASH_5761VENDOR_ST_A_M45PE20:
11596         case FLASH_5761VENDOR_ST_A_M45PE40:
11597         case FLASH_5761VENDOR_ST_A_M45PE80:
11598         case FLASH_5761VENDOR_ST_A_M45PE16:
11599         case FLASH_5761VENDOR_ST_M_M45PE20:
11600         case FLASH_5761VENDOR_ST_M_M45PE40:
11601         case FLASH_5761VENDOR_ST_M_M45PE80:
11602         case FLASH_5761VENDOR_ST_M_M45PE16:
11603                 tp->nvram_jedecnum = JEDEC_ST;
11604                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11605                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11606                 tp->nvram_pagesize = 256;
11607                 break;
11608         }
11609
11610         if (protect) {
11611                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11612         } else {
11613                 switch (nvcfg1) {
11614                 case FLASH_5761VENDOR_ATMEL_ADB161D:
11615                 case FLASH_5761VENDOR_ATMEL_MDB161D:
11616                 case FLASH_5761VENDOR_ST_A_M45PE16:
11617                 case FLASH_5761VENDOR_ST_M_M45PE16:
11618                         tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11619                         break;
11620                 case FLASH_5761VENDOR_ATMEL_ADB081D:
11621                 case FLASH_5761VENDOR_ATMEL_MDB081D:
11622                 case FLASH_5761VENDOR_ST_A_M45PE80:
11623                 case FLASH_5761VENDOR_ST_M_M45PE80:
11624                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11625                         break;
11626                 case FLASH_5761VENDOR_ATMEL_ADB041D:
11627                 case FLASH_5761VENDOR_ATMEL_MDB041D:
11628                 case FLASH_5761VENDOR_ST_A_M45PE40:
11629                 case FLASH_5761VENDOR_ST_M_M45PE40:
11630                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11631                         break;
11632                 case FLASH_5761VENDOR_ATMEL_ADB021D:
11633                 case FLASH_5761VENDOR_ATMEL_MDB021D:
11634                 case FLASH_5761VENDOR_ST_A_M45PE20:
11635                 case FLASH_5761VENDOR_ST_M_M45PE20:
11636                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11637                         break;
11638                 }
11639         }
11640 }
11641
11642 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11643 {
11644         tp->nvram_jedecnum = JEDEC_ATMEL;
11645         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11646         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11647 }
11648
11649 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11650 {
11651         u32 nvcfg1;
11652
11653         nvcfg1 = tr32(NVRAM_CFG1);
11654
11655         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11656         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11657         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11658                 tp->nvram_jedecnum = JEDEC_ATMEL;
11659                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11660                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11661
11662                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11663                 tw32(NVRAM_CFG1, nvcfg1);
11664                 return;
11665         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11666         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11667         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11668         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11669         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11670         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11671         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11672                 tp->nvram_jedecnum = JEDEC_ATMEL;
11673                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11674                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11675
11676                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11677                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11678                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11679                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11680                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11681                         break;
11682                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11683                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11684                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11685                         break;
11686                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11687                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11688                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11689                         break;
11690                 }
11691                 break;
11692         case FLASH_5752VENDOR_ST_M45PE10:
11693         case FLASH_5752VENDOR_ST_M45PE20:
11694         case FLASH_5752VENDOR_ST_M45PE40:
11695                 tp->nvram_jedecnum = JEDEC_ST;
11696                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11697                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11698
11699                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11700                 case FLASH_5752VENDOR_ST_M45PE10:
11701                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11702                         break;
11703                 case FLASH_5752VENDOR_ST_M45PE20:
11704                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11705                         break;
11706                 case FLASH_5752VENDOR_ST_M45PE40:
11707                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11708                         break;
11709                 }
11710                 break;
11711         default:
11712                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11713                 return;
11714         }
11715
11716         tg3_nvram_get_pagesize(tp, nvcfg1);
11717         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11718                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11719 }
11720
11721
11722 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11723 {
11724         u32 nvcfg1;
11725
11726         nvcfg1 = tr32(NVRAM_CFG1);
11727
11728         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11729         case FLASH_5717VENDOR_ATMEL_EEPROM:
11730         case FLASH_5717VENDOR_MICRO_EEPROM:
11731                 tp->nvram_jedecnum = JEDEC_ATMEL;
11732                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11733                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11734
11735                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11736                 tw32(NVRAM_CFG1, nvcfg1);
11737                 return;
11738         case FLASH_5717VENDOR_ATMEL_MDB011D:
11739         case FLASH_5717VENDOR_ATMEL_ADB011B:
11740         case FLASH_5717VENDOR_ATMEL_ADB011D:
11741         case FLASH_5717VENDOR_ATMEL_MDB021D:
11742         case FLASH_5717VENDOR_ATMEL_ADB021B:
11743         case FLASH_5717VENDOR_ATMEL_ADB021D:
11744         case FLASH_5717VENDOR_ATMEL_45USPT:
11745                 tp->nvram_jedecnum = JEDEC_ATMEL;
11746                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11747                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11748
11749                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11750                 case FLASH_5717VENDOR_ATMEL_MDB021D:
11751                 case FLASH_5717VENDOR_ATMEL_ADB021B:
11752                 case FLASH_5717VENDOR_ATMEL_ADB021D:
11753                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11754                         break;
11755                 default:
11756                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11757                         break;
11758                 }
11759                 break;
11760         case FLASH_5717VENDOR_ST_M_M25PE10:
11761         case FLASH_5717VENDOR_ST_A_M25PE10:
11762         case FLASH_5717VENDOR_ST_M_M45PE10:
11763         case FLASH_5717VENDOR_ST_A_M45PE10:
11764         case FLASH_5717VENDOR_ST_M_M25PE20:
11765         case FLASH_5717VENDOR_ST_A_M25PE20:
11766         case FLASH_5717VENDOR_ST_M_M45PE20:
11767         case FLASH_5717VENDOR_ST_A_M45PE20:
11768         case FLASH_5717VENDOR_ST_25USPT:
11769         case FLASH_5717VENDOR_ST_45USPT:
11770                 tp->nvram_jedecnum = JEDEC_ST;
11771                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11772                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11773
11774                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11775                 case FLASH_5717VENDOR_ST_M_M25PE20:
11776                 case FLASH_5717VENDOR_ST_A_M25PE20:
11777                 case FLASH_5717VENDOR_ST_M_M45PE20:
11778                 case FLASH_5717VENDOR_ST_A_M45PE20:
11779                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11780                         break;
11781                 default:
11782                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11783                         break;
11784                 }
11785                 break;
11786         default:
11787                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11788                 return;
11789         }
11790
11791         tg3_nvram_get_pagesize(tp, nvcfg1);
11792         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11793                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11794 }
11795
11796 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11797 static void __devinit tg3_nvram_init(struct tg3 *tp)
11798 {
11799         tw32_f(GRC_EEPROM_ADDR,
11800              (EEPROM_ADDR_FSM_RESET |
11801               (EEPROM_DEFAULT_CLOCK_PERIOD <<
11802                EEPROM_ADDR_CLKPERD_SHIFT)));
11803
11804         msleep(1);
11805
11806         /* Enable seeprom accesses. */
11807         tw32_f(GRC_LOCAL_CTRL,
11808              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11809         udelay(100);
11810
11811         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11812             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11813                 tp->tg3_flags |= TG3_FLAG_NVRAM;
11814
11815                 if (tg3_nvram_lock(tp)) {
11816                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
11817                                "tg3_nvram_init failed.\n", tp->dev->name);
11818                         return;
11819                 }
11820                 tg3_enable_nvram_access(tp);
11821
11822                 tp->nvram_size = 0;
11823
11824                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11825                         tg3_get_5752_nvram_info(tp);
11826                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11827                         tg3_get_5755_nvram_info(tp);
11828                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11829                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11830                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11831                         tg3_get_5787_nvram_info(tp);
11832                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11833                         tg3_get_5761_nvram_info(tp);
11834                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11835                         tg3_get_5906_nvram_info(tp);
11836                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11837                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11838                         tg3_get_57780_nvram_info(tp);
11839                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11840                         tg3_get_5717_nvram_info(tp);
11841                 else
11842                         tg3_get_nvram_info(tp);
11843
11844                 if (tp->nvram_size == 0)
11845                         tg3_get_nvram_size(tp);
11846
11847                 tg3_disable_nvram_access(tp);
11848                 tg3_nvram_unlock(tp);
11849
11850         } else {
11851                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11852
11853                 tg3_get_eeprom_size(tp);
11854         }
11855 }
11856
11857 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11858                                     u32 offset, u32 len, u8 *buf)
11859 {
11860         int i, j, rc = 0;
11861         u32 val;
11862
11863         for (i = 0; i < len; i += 4) {
11864                 u32 addr;
11865                 __be32 data;
11866
11867                 addr = offset + i;
11868
11869                 memcpy(&data, buf + i, 4);
11870
11871                 /*
11872                  * The SEEPROM interface expects the data to always be opposite
11873                  * the native endian format.  We accomplish this by reversing
11874                  * all the operations that would have been performed on the
11875                  * data from a call to tg3_nvram_read_be32().
11876                  */
11877                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11878
11879                 val = tr32(GRC_EEPROM_ADDR);
11880                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11881
11882                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11883                         EEPROM_ADDR_READ);
11884                 tw32(GRC_EEPROM_ADDR, val |
11885                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
11886                         (addr & EEPROM_ADDR_ADDR_MASK) |
11887                         EEPROM_ADDR_START |
11888                         EEPROM_ADDR_WRITE);
11889
11890                 for (j = 0; j < 1000; j++) {
11891                         val = tr32(GRC_EEPROM_ADDR);
11892
11893                         if (val & EEPROM_ADDR_COMPLETE)
11894                                 break;
11895                         msleep(1);
11896                 }
11897                 if (!(val & EEPROM_ADDR_COMPLETE)) {
11898                         rc = -EBUSY;
11899                         break;
11900                 }
11901         }
11902
11903         return rc;
11904 }
11905
11906 /* offset and length are dword aligned */
11907 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11908                 u8 *buf)
11909 {
11910         int ret = 0;
11911         u32 pagesize = tp->nvram_pagesize;
11912         u32 pagemask = pagesize - 1;
11913         u32 nvram_cmd;
11914         u8 *tmp;
11915
11916         tmp = kmalloc(pagesize, GFP_KERNEL);
11917         if (tmp == NULL)
11918                 return -ENOMEM;
11919
11920         while (len) {
11921                 int j;
11922                 u32 phy_addr, page_off, size;
11923
11924                 phy_addr = offset & ~pagemask;
11925
11926                 for (j = 0; j < pagesize; j += 4) {
11927                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
11928                                                   (__be32 *) (tmp + j));
11929                         if (ret)
11930                                 break;
11931                 }
11932                 if (ret)
11933                         break;
11934
11935                 page_off = offset & pagemask;
11936                 size = pagesize;
11937                 if (len < size)
11938                         size = len;
11939
11940                 len -= size;
11941
11942                 memcpy(tmp + page_off, buf, size);
11943
11944                 offset = offset + (pagesize - page_off);
11945
11946                 tg3_enable_nvram_access(tp);
11947
11948                 /*
11949                  * Before we can erase the flash page, we need
11950                  * to issue a special "write enable" command.
11951                  */
11952                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11953
11954                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11955                         break;
11956
11957                 /* Erase the target page */
11958                 tw32(NVRAM_ADDR, phy_addr);
11959
11960                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11961                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11962
11963                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11964                         break;
11965
11966                 /* Issue another write enable to start the write. */
11967                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11968
11969                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11970                         break;
11971
11972                 for (j = 0; j < pagesize; j += 4) {
11973                         __be32 data;
11974
11975                         data = *((__be32 *) (tmp + j));
11976
11977                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
11978
11979                         tw32(NVRAM_ADDR, phy_addr + j);
11980
11981                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11982                                 NVRAM_CMD_WR;
11983
11984                         if (j == 0)
11985                                 nvram_cmd |= NVRAM_CMD_FIRST;
11986                         else if (j == (pagesize - 4))
11987                                 nvram_cmd |= NVRAM_CMD_LAST;
11988
11989                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11990                                 break;
11991                 }
11992                 if (ret)
11993                         break;
11994         }
11995
11996         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11997         tg3_nvram_exec_cmd(tp, nvram_cmd);
11998
11999         kfree(tmp);
12000
12001         return ret;
12002 }
12003
12004 /* offset and length are dword aligned */
12005 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
12006                 u8 *buf)
12007 {
12008         int i, ret = 0;
12009
12010         for (i = 0; i < len; i += 4, offset += 4) {
12011                 u32 page_off, phy_addr, nvram_cmd;
12012                 __be32 data;
12013
12014                 memcpy(&data, buf + i, 4);
12015                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
12016
12017                 page_off = offset % tp->nvram_pagesize;
12018
12019                 phy_addr = tg3_nvram_phys_addr(tp, offset);
12020
12021                 tw32(NVRAM_ADDR, phy_addr);
12022
12023                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
12024
12025                 if ((page_off == 0) || (i == 0))
12026                         nvram_cmd |= NVRAM_CMD_FIRST;
12027                 if (page_off == (tp->nvram_pagesize - 4))
12028                         nvram_cmd |= NVRAM_CMD_LAST;
12029
12030                 if (i == (len - 4))
12031                         nvram_cmd |= NVRAM_CMD_LAST;
12032
12033                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
12034                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
12035                     (tp->nvram_jedecnum == JEDEC_ST) &&
12036                     (nvram_cmd & NVRAM_CMD_FIRST)) {
12037
12038                         if ((ret = tg3_nvram_exec_cmd(tp,
12039                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
12040                                 NVRAM_CMD_DONE)))
12041
12042                                 break;
12043                 }
12044                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12045                         /* We always do complete word writes to eeprom. */
12046                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
12047                 }
12048
12049                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
12050                         break;
12051         }
12052         return ret;
12053 }
12054
12055 /* offset and length are dword aligned */
12056 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
12057 {
12058         int ret;
12059
12060         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12061                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
12062                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
12063                 udelay(40);
12064         }
12065
12066         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
12067                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
12068         }
12069         else {
12070                 u32 grc_mode;
12071
12072                 ret = tg3_nvram_lock(tp);
12073                 if (ret)
12074                         return ret;
12075
12076                 tg3_enable_nvram_access(tp);
12077                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
12078                     !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
12079                         tw32(NVRAM_WRITE1, 0x406);
12080
12081                 grc_mode = tr32(GRC_MODE);
12082                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
12083
12084                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
12085                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12086
12087                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
12088                                 buf);
12089                 }
12090                 else {
12091                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
12092                                 buf);
12093                 }
12094
12095                 grc_mode = tr32(GRC_MODE);
12096                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
12097
12098                 tg3_disable_nvram_access(tp);
12099                 tg3_nvram_unlock(tp);
12100         }
12101
12102         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12103                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
12104                 udelay(40);
12105         }
12106
12107         return ret;
12108 }
12109
12110 struct subsys_tbl_ent {
12111         u16 subsys_vendor, subsys_devid;
12112         u32 phy_id;
12113 };
12114
12115 static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = {
12116         /* Broadcom boards. */
12117         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12118           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, PHY_ID_BCM5401 },
12119         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12120           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, PHY_ID_BCM5701 },
12121         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12122           TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, PHY_ID_BCM8002 },
12123         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12124           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
12125         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12126           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, PHY_ID_BCM5701 },
12127         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12128           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, PHY_ID_BCM5701 },
12129         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12130           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
12131         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12132           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, PHY_ID_BCM5701 },
12133         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12134           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, PHY_ID_BCM5701 },
12135         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12136           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, PHY_ID_BCM5703 },
12137         { TG3PCI_SUBVENDOR_ID_BROADCOM,
12138           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, PHY_ID_BCM5703 },
12139
12140         /* 3com boards. */
12141         { TG3PCI_SUBVENDOR_ID_3COM,
12142           TG3PCI_SUBDEVICE_ID_3COM_3C996T, PHY_ID_BCM5401 },
12143         { TG3PCI_SUBVENDOR_ID_3COM,
12144           TG3PCI_SUBDEVICE_ID_3COM_3C996BT, PHY_ID_BCM5701 },
12145         { TG3PCI_SUBVENDOR_ID_3COM,
12146           TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
12147         { TG3PCI_SUBVENDOR_ID_3COM,
12148           TG3PCI_SUBDEVICE_ID_3COM_3C1000T, PHY_ID_BCM5701 },
12149         { TG3PCI_SUBVENDOR_ID_3COM,
12150           TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, PHY_ID_BCM5701 },
12151
12152         /* DELL boards. */
12153         { TG3PCI_SUBVENDOR_ID_DELL,
12154           TG3PCI_SUBDEVICE_ID_DELL_VIPER, PHY_ID_BCM5401 },
12155         { TG3PCI_SUBVENDOR_ID_DELL,
12156           TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, PHY_ID_BCM5401 },
12157         { TG3PCI_SUBVENDOR_ID_DELL,
12158           TG3PCI_SUBDEVICE_ID_DELL_MERLOT, PHY_ID_BCM5411 },
12159         { TG3PCI_SUBVENDOR_ID_DELL,
12160           TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, PHY_ID_BCM5411 },
12161
12162         /* Compaq boards. */
12163         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12164           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, PHY_ID_BCM5701 },
12165         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12166           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, PHY_ID_BCM5701 },
12167         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12168           TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
12169         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12170           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, PHY_ID_BCM5701 },
12171         { TG3PCI_SUBVENDOR_ID_COMPAQ,
12172           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, PHY_ID_BCM5701 },
12173
12174         /* IBM boards. */
12175         { TG3PCI_SUBVENDOR_ID_IBM,
12176           TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
12177 };
12178
12179 static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp)
12180 {
12181         int i;
12182
12183         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12184                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12185                      tp->pdev->subsystem_vendor) &&
12186                     (subsys_id_to_phy_id[i].subsys_devid ==
12187                      tp->pdev->subsystem_device))
12188                         return &subsys_id_to_phy_id[i];
12189         }
12190         return NULL;
12191 }
12192
12193 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
12194 {
12195         u32 val;
12196         u16 pmcsr;
12197
12198         /* On some early chips the SRAM cannot be accessed in D3hot state,
12199          * so need make sure we're in D0.
12200          */
12201         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12202         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12203         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12204         msleep(1);
12205
12206         /* Make sure register accesses (indirect or otherwise)
12207          * will function correctly.
12208          */
12209         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12210                                tp->misc_host_ctrl);
12211
12212         /* The memory arbiter has to be enabled in order for SRAM accesses
12213          * to succeed.  Normally on powerup the tg3 chip firmware will make
12214          * sure it is enabled, but other entities such as system netboot
12215          * code might disable it.
12216          */
12217         val = tr32(MEMARB_MODE);
12218         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12219
12220         tp->phy_id = PHY_ID_INVALID;
12221         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12222
12223         /* Assume an onboard device and WOL capable by default.  */
12224         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
12225
12226         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12227                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
12228                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12229                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12230                 }
12231                 val = tr32(VCPU_CFGSHDW);
12232                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
12233                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12234                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
12235                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
12236                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12237                 goto done;
12238         }
12239
12240         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12241         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12242                 u32 nic_cfg, led_cfg;
12243                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12244                 int eeprom_phy_serdes = 0;
12245
12246                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12247                 tp->nic_sram_data_cfg = nic_cfg;
12248
12249                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12250                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12251                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12252                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12253                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12254                     (ver > 0) && (ver < 0x100))
12255                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12256
12257                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12258                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12259
12260                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12261                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12262                         eeprom_phy_serdes = 1;
12263
12264                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12265                 if (nic_phy_id != 0) {
12266                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12267                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12268
12269                         eeprom_phy_id  = (id1 >> 16) << 10;
12270                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
12271                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
12272                 } else
12273                         eeprom_phy_id = 0;
12274
12275                 tp->phy_id = eeprom_phy_id;
12276                 if (eeprom_phy_serdes) {
12277                         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12278                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12279                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
12280                         else
12281                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12282                 }
12283
12284                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12285                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12286                                     SHASTA_EXT_LED_MODE_MASK);
12287                 else
12288                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12289
12290                 switch (led_cfg) {
12291                 default:
12292                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12293                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12294                         break;
12295
12296                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12297                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12298                         break;
12299
12300                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12301                         tp->led_ctrl = LED_CTRL_MODE_MAC;
12302
12303                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12304                          * read on some older 5700/5701 bootcode.
12305                          */
12306                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12307                             ASIC_REV_5700 ||
12308                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
12309                             ASIC_REV_5701)
12310                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12311
12312                         break;
12313
12314                 case SHASTA_EXT_LED_SHARED:
12315                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
12316                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12317                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12318                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12319                                                  LED_CTRL_MODE_PHY_2);
12320                         break;
12321
12322                 case SHASTA_EXT_LED_MAC:
12323                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12324                         break;
12325
12326                 case SHASTA_EXT_LED_COMBO:
12327                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
12328                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12329                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12330                                                  LED_CTRL_MODE_PHY_2);
12331                         break;
12332
12333                 }
12334
12335                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12336                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12337                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12338                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12339
12340                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12341                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12342
12343                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12344                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12345                         if ((tp->pdev->subsystem_vendor ==
12346                              PCI_VENDOR_ID_ARIMA) &&
12347                             (tp->pdev->subsystem_device == 0x205a ||
12348                              tp->pdev->subsystem_device == 0x2063))
12349                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12350                 } else {
12351                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12352                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12353                 }
12354
12355                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12356                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12357                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12358                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12359                 }
12360
12361                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12362                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12363                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12364
12365                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
12366                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12367                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12368
12369                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12370                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12371                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12372
12373                 if (cfg2 & (1 << 17))
12374                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
12375
12376                 /* serdes signal pre-emphasis in register 0x590 set by */
12377                 /* bootcode if bit 18 is set */
12378                 if (cfg2 & (1 << 18))
12379                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
12380
12381                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12382                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12383                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12384                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
12385
12386                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12387                         u32 cfg3;
12388
12389                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12390                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12391                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12392                 }
12393
12394                 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
12395                         tp->tg3_flags3 |= TG3_FLG3_RGMII_INBAND_DISABLE;
12396                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12397                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12398                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12399                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12400         }
12401 done:
12402         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12403         device_set_wakeup_enable(&tp->pdev->dev,
12404                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12405 }
12406
12407 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12408 {
12409         int i;
12410         u32 val;
12411
12412         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12413         tw32(OTP_CTRL, cmd);
12414
12415         /* Wait for up to 1 ms for command to execute. */
12416         for (i = 0; i < 100; i++) {
12417                 val = tr32(OTP_STATUS);
12418                 if (val & OTP_STATUS_CMD_DONE)
12419                         break;
12420                 udelay(10);
12421         }
12422
12423         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12424 }
12425
12426 /* Read the gphy configuration from the OTP region of the chip.  The gphy
12427  * configuration is a 32-bit value that straddles the alignment boundary.
12428  * We do two 32-bit reads and then shift and merge the results.
12429  */
12430 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12431 {
12432         u32 bhalf_otp, thalf_otp;
12433
12434         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12435
12436         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12437                 return 0;
12438
12439         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12440
12441         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12442                 return 0;
12443
12444         thalf_otp = tr32(OTP_READ_DATA);
12445
12446         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12447
12448         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12449                 return 0;
12450
12451         bhalf_otp = tr32(OTP_READ_DATA);
12452
12453         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12454 }
12455
12456 static int __devinit tg3_phy_probe(struct tg3 *tp)
12457 {
12458         u32 hw_phy_id_1, hw_phy_id_2;
12459         u32 hw_phy_id, hw_phy_id_masked;
12460         int err;
12461
12462         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12463                 return tg3_phy_init(tp);
12464
12465         /* Reading the PHY ID register can conflict with ASF
12466          * firmware access to the PHY hardware.
12467          */
12468         err = 0;
12469         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12470             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12471                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
12472         } else {
12473                 /* Now read the physical PHY_ID from the chip and verify
12474                  * that it is sane.  If it doesn't look good, we fall back
12475                  * to either the hard-coded table based PHY_ID and failing
12476                  * that the value found in the eeprom area.
12477                  */
12478                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12479                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12480
12481                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
12482                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12483                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
12484
12485                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
12486         }
12487
12488         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
12489                 tp->phy_id = hw_phy_id;
12490                 if (hw_phy_id_masked == PHY_ID_BCM8002)
12491                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12492                 else
12493                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
12494         } else {
12495                 if (tp->phy_id != PHY_ID_INVALID) {
12496                         /* Do nothing, phy ID already set up in
12497                          * tg3_get_eeprom_hw_cfg().
12498                          */
12499                 } else {
12500                         struct subsys_tbl_ent *p;
12501
12502                         /* No eeprom signature?  Try the hardcoded
12503                          * subsys device table.
12504                          */
12505                         p = tg3_lookup_by_subsys(tp);
12506                         if (!p)
12507                                 return -ENODEV;
12508
12509                         tp->phy_id = p->phy_id;
12510                         if (!tp->phy_id ||
12511                             tp->phy_id == PHY_ID_BCM8002)
12512                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12513                 }
12514         }
12515
12516         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
12517             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12518             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12519                 u32 bmsr, adv_reg, tg3_ctrl, mask;
12520
12521                 tg3_readphy(tp, MII_BMSR, &bmsr);
12522                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12523                     (bmsr & BMSR_LSTATUS))
12524                         goto skip_phy_reset;
12525
12526                 err = tg3_phy_reset(tp);
12527                 if (err)
12528                         return err;
12529
12530                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12531                            ADVERTISE_100HALF | ADVERTISE_100FULL |
12532                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12533                 tg3_ctrl = 0;
12534                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12535                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12536                                     MII_TG3_CTRL_ADV_1000_FULL);
12537                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12538                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12539                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12540                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
12541                 }
12542
12543                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12544                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12545                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12546                 if (!tg3_copper_is_advertising_all(tp, mask)) {
12547                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12548
12549                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12550                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12551
12552                         tg3_writephy(tp, MII_BMCR,
12553                                      BMCR_ANENABLE | BMCR_ANRESTART);
12554                 }
12555                 tg3_phy_set_wirespeed(tp);
12556
12557                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12558                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12559                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12560         }
12561
12562 skip_phy_reset:
12563         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
12564                 err = tg3_init_5401phy_dsp(tp);
12565                 if (err)
12566                         return err;
12567         }
12568
12569         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
12570                 err = tg3_init_5401phy_dsp(tp);
12571         }
12572
12573         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
12574                 tp->link_config.advertising =
12575                         (ADVERTISED_1000baseT_Half |
12576                          ADVERTISED_1000baseT_Full |
12577                          ADVERTISED_Autoneg |
12578                          ADVERTISED_FIBRE);
12579         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12580                 tp->link_config.advertising &=
12581                         ~(ADVERTISED_1000baseT_Half |
12582                           ADVERTISED_1000baseT_Full);
12583
12584         return err;
12585 }
12586
12587 static void __devinit tg3_read_partno(struct tg3 *tp)
12588 {
12589         unsigned char vpd_data[TG3_NVM_VPD_LEN];   /* in little-endian format */
12590         unsigned int i;
12591         u32 magic;
12592
12593         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12594             tg3_nvram_read(tp, 0x0, &magic))
12595                 goto out_not_found;
12596
12597         if (magic == TG3_EEPROM_MAGIC) {
12598                 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12599                         u32 tmp;
12600
12601                         /* The data is in little-endian format in NVRAM.
12602                          * Use the big-endian read routines to preserve
12603                          * the byte order as it exists in NVRAM.
12604                          */
12605                         if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12606                                 goto out_not_found;
12607
12608                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12609                 }
12610         } else {
12611                 ssize_t cnt;
12612                 unsigned int pos = 0, i = 0;
12613
12614                 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12615                         cnt = pci_read_vpd(tp->pdev, pos,
12616                                            TG3_NVM_VPD_LEN - pos,
12617                                            &vpd_data[pos]);
12618                         if (cnt == -ETIMEDOUT || -EINTR)
12619                                 cnt = 0;
12620                         else if (cnt < 0)
12621                                 goto out_not_found;
12622                 }
12623                 if (pos != TG3_NVM_VPD_LEN)
12624                         goto out_not_found;
12625         }
12626
12627         /* Now parse and find the part number. */
12628         for (i = 0; i < TG3_NVM_VPD_LEN - 2; ) {
12629                 unsigned char val = vpd_data[i];
12630                 unsigned int block_end;
12631
12632                 if (val == 0x82 || val == 0x91) {
12633                         i = (i + 3 +
12634                              (vpd_data[i + 1] +
12635                               (vpd_data[i + 2] << 8)));
12636                         continue;
12637                 }
12638
12639                 if (val != 0x90)
12640                         goto out_not_found;
12641
12642                 block_end = (i + 3 +
12643                              (vpd_data[i + 1] +
12644                               (vpd_data[i + 2] << 8)));
12645                 i += 3;
12646
12647                 if (block_end > TG3_NVM_VPD_LEN)
12648                         goto out_not_found;
12649
12650                 while (i < (block_end - 2)) {
12651                         if (vpd_data[i + 0] == 'P' &&
12652                             vpd_data[i + 1] == 'N') {
12653                                 int partno_len = vpd_data[i + 2];
12654
12655                                 i += 3;
12656                                 if (partno_len > TG3_BPN_SIZE ||
12657                                     (partno_len + i) > TG3_NVM_VPD_LEN)
12658                                         goto out_not_found;
12659
12660                                 memcpy(tp->board_part_number,
12661                                        &vpd_data[i], partno_len);
12662
12663                                 /* Success. */
12664                                 return;
12665                         }
12666                         i += 3 + vpd_data[i + 2];
12667                 }
12668
12669                 /* Part number not found. */
12670                 goto out_not_found;
12671         }
12672
12673 out_not_found:
12674         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12675                 strcpy(tp->board_part_number, "BCM95906");
12676         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12677                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12678                 strcpy(tp->board_part_number, "BCM57780");
12679         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12680                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12681                 strcpy(tp->board_part_number, "BCM57760");
12682         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12683                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12684                 strcpy(tp->board_part_number, "BCM57790");
12685         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12686                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12687                 strcpy(tp->board_part_number, "BCM57788");
12688         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12689                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
12690                 strcpy(tp->board_part_number, "BCM57761");
12691         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12692                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
12693                 strcpy(tp->board_part_number, "BCM57765");
12694         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12695                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
12696                 strcpy(tp->board_part_number, "BCM57781");
12697         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12698                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
12699                 strcpy(tp->board_part_number, "BCM57785");
12700         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12701                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
12702                 strcpy(tp->board_part_number, "BCM57791");
12703         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12704                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12705                 strcpy(tp->board_part_number, "BCM57795");
12706         else
12707                 strcpy(tp->board_part_number, "none");
12708 }
12709
12710 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12711 {
12712         u32 val;
12713
12714         if (tg3_nvram_read(tp, offset, &val) ||
12715             (val & 0xfc000000) != 0x0c000000 ||
12716             tg3_nvram_read(tp, offset + 4, &val) ||
12717             val != 0)
12718                 return 0;
12719
12720         return 1;
12721 }
12722
12723 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12724 {
12725         u32 val, offset, start, ver_offset;
12726         int i;
12727         bool newver = false;
12728
12729         if (tg3_nvram_read(tp, 0xc, &offset) ||
12730             tg3_nvram_read(tp, 0x4, &start))
12731                 return;
12732
12733         offset = tg3_nvram_logical_addr(tp, offset);
12734
12735         if (tg3_nvram_read(tp, offset, &val))
12736                 return;
12737
12738         if ((val & 0xfc000000) == 0x0c000000) {
12739                 if (tg3_nvram_read(tp, offset + 4, &val))
12740                         return;
12741
12742                 if (val == 0)
12743                         newver = true;
12744         }
12745
12746         if (newver) {
12747                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12748                         return;
12749
12750                 offset = offset + ver_offset - start;
12751                 for (i = 0; i < 16; i += 4) {
12752                         __be32 v;
12753                         if (tg3_nvram_read_be32(tp, offset + i, &v))
12754                                 return;
12755
12756                         memcpy(tp->fw_ver + i, &v, sizeof(v));
12757                 }
12758         } else {
12759                 u32 major, minor;
12760
12761                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12762                         return;
12763
12764                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12765                         TG3_NVM_BCVER_MAJSFT;
12766                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12767                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
12768         }
12769 }
12770
12771 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12772 {
12773         u32 val, major, minor;
12774
12775         /* Use native endian representation */
12776         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12777                 return;
12778
12779         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12780                 TG3_NVM_HWSB_CFG1_MAJSFT;
12781         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12782                 TG3_NVM_HWSB_CFG1_MINSFT;
12783
12784         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12785 }
12786
12787 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12788 {
12789         u32 offset, major, minor, build;
12790
12791         tp->fw_ver[0] = 's';
12792         tp->fw_ver[1] = 'b';
12793         tp->fw_ver[2] = '\0';
12794
12795         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12796                 return;
12797
12798         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12799         case TG3_EEPROM_SB_REVISION_0:
12800                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12801                 break;
12802         case TG3_EEPROM_SB_REVISION_2:
12803                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12804                 break;
12805         case TG3_EEPROM_SB_REVISION_3:
12806                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12807                 break;
12808         case TG3_EEPROM_SB_REVISION_4:
12809                 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
12810                 break;
12811         case TG3_EEPROM_SB_REVISION_5:
12812                 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
12813                 break;
12814         default:
12815                 return;
12816         }
12817
12818         if (tg3_nvram_read(tp, offset, &val))
12819                 return;
12820
12821         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12822                 TG3_EEPROM_SB_EDH_BLD_SHFT;
12823         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12824                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12825         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
12826
12827         if (minor > 99 || build > 26)
12828                 return;
12829
12830         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12831
12832         if (build > 0) {
12833                 tp->fw_ver[8] = 'a' + build - 1;
12834                 tp->fw_ver[9] = '\0';
12835         }
12836 }
12837
12838 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12839 {
12840         u32 val, offset, start;
12841         int i, vlen;
12842
12843         for (offset = TG3_NVM_DIR_START;
12844              offset < TG3_NVM_DIR_END;
12845              offset += TG3_NVM_DIRENT_SIZE) {
12846                 if (tg3_nvram_read(tp, offset, &val))
12847                         return;
12848
12849                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12850                         break;
12851         }
12852
12853         if (offset == TG3_NVM_DIR_END)
12854                 return;
12855
12856         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12857                 start = 0x08000000;
12858         else if (tg3_nvram_read(tp, offset - 4, &start))
12859                 return;
12860
12861         if (tg3_nvram_read(tp, offset + 4, &offset) ||
12862             !tg3_fw_img_is_valid(tp, offset) ||
12863             tg3_nvram_read(tp, offset + 8, &val))
12864                 return;
12865
12866         offset += val - start;
12867
12868         vlen = strlen(tp->fw_ver);
12869
12870         tp->fw_ver[vlen++] = ',';
12871         tp->fw_ver[vlen++] = ' ';
12872
12873         for (i = 0; i < 4; i++) {
12874                 __be32 v;
12875                 if (tg3_nvram_read_be32(tp, offset, &v))
12876                         return;
12877
12878                 offset += sizeof(v);
12879
12880                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12881                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12882                         break;
12883                 }
12884
12885                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12886                 vlen += sizeof(v);
12887         }
12888 }
12889
12890 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12891 {
12892         int vlen;
12893         u32 apedata;
12894
12895         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12896             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
12897                 return;
12898
12899         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12900         if (apedata != APE_SEG_SIG_MAGIC)
12901                 return;
12902
12903         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12904         if (!(apedata & APE_FW_STATUS_READY))
12905                 return;
12906
12907         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12908
12909         vlen = strlen(tp->fw_ver);
12910
12911         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12912                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12913                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12914                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12915                  (apedata & APE_FW_VERSION_BLDMSK));
12916 }
12917
12918 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12919 {
12920         u32 val;
12921
12922         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12923                 tp->fw_ver[0] = 's';
12924                 tp->fw_ver[1] = 'b';
12925                 tp->fw_ver[2] = '\0';
12926
12927                 return;
12928         }
12929
12930         if (tg3_nvram_read(tp, 0, &val))
12931                 return;
12932
12933         if (val == TG3_EEPROM_MAGIC)
12934                 tg3_read_bc_ver(tp);
12935         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12936                 tg3_read_sb_ver(tp, val);
12937         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12938                 tg3_read_hwsb_ver(tp);
12939         else
12940                 return;
12941
12942         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12943              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12944                 return;
12945
12946         tg3_read_mgmtfw_ver(tp);
12947
12948         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12949 }
12950
12951 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12952
12953 static int __devinit tg3_get_invariants(struct tg3 *tp)
12954 {
12955         static struct pci_device_id write_reorder_chipsets[] = {
12956                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12957                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12958                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12959                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12960                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12961                              PCI_DEVICE_ID_VIA_8385_0) },
12962                 { },
12963         };
12964         u32 misc_ctrl_reg;
12965         u32 pci_state_reg, grc_misc_cfg;
12966         u32 val;
12967         u16 pci_cmd;
12968         int err;
12969
12970         /* Force memory write invalidate off.  If we leave it on,
12971          * then on 5700_BX chips we have to enable a workaround.
12972          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12973          * to match the cacheline size.  The Broadcom driver have this
12974          * workaround but turns MWI off all the times so never uses
12975          * it.  This seems to suggest that the workaround is insufficient.
12976          */
12977         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12978         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12979         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12980
12981         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12982          * has the register indirect write enable bit set before
12983          * we try to access any of the MMIO registers.  It is also
12984          * critical that the PCI-X hw workaround situation is decided
12985          * before that as well.
12986          */
12987         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12988                               &misc_ctrl_reg);
12989
12990         tp->pci_chip_rev_id = (misc_ctrl_reg >>
12991                                MISC_HOST_CTRL_CHIPREV_SHIFT);
12992         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12993                 u32 prod_id_asic_rev;
12994
12995                 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12996                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12997                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
12998                         pci_read_config_dword(tp->pdev,
12999                                               TG3PCI_GEN2_PRODID_ASICREV,
13000                                               &prod_id_asic_rev);
13001                 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
13002                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
13003                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
13004                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
13005                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13006                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
13007                         pci_read_config_dword(tp->pdev,
13008                                               TG3PCI_GEN15_PRODID_ASICREV,
13009                                               &prod_id_asic_rev);
13010                 else
13011                         pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
13012                                               &prod_id_asic_rev);
13013
13014                 tp->pci_chip_rev_id = prod_id_asic_rev;
13015         }
13016
13017         /* Wrong chip ID in 5752 A0. This code can be removed later
13018          * as A0 is not in production.
13019          */
13020         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
13021                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
13022
13023         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
13024          * we need to disable memory and use config. cycles
13025          * only to access all registers. The 5702/03 chips
13026          * can mistakenly decode the special cycles from the
13027          * ICH chipsets as memory write cycles, causing corruption
13028          * of register and memory space. Only certain ICH bridges
13029          * will drive special cycles with non-zero data during the
13030          * address phase which can fall within the 5703's address
13031          * range. This is not an ICH bug as the PCI spec allows
13032          * non-zero address during special cycles. However, only
13033          * these ICH bridges are known to drive non-zero addresses
13034          * during special cycles.
13035          *
13036          * Since special cycles do not cross PCI bridges, we only
13037          * enable this workaround if the 5703 is on the secondary
13038          * bus of these ICH bridges.
13039          */
13040         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
13041             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
13042                 static struct tg3_dev_id {
13043                         u32     vendor;
13044                         u32     device;
13045                         u32     rev;
13046                 } ich_chipsets[] = {
13047                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
13048                           PCI_ANY_ID },
13049                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
13050                           PCI_ANY_ID },
13051                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
13052                           0xa },
13053                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
13054                           PCI_ANY_ID },
13055                         { },
13056                 };
13057                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
13058                 struct pci_dev *bridge = NULL;
13059
13060                 while (pci_id->vendor != 0) {
13061                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
13062                                                 bridge);
13063                         if (!bridge) {
13064                                 pci_id++;
13065                                 continue;
13066                         }
13067                         if (pci_id->rev != PCI_ANY_ID) {
13068                                 if (bridge->revision > pci_id->rev)
13069                                         continue;
13070                         }
13071                         if (bridge->subordinate &&
13072                             (bridge->subordinate->number ==
13073                              tp->pdev->bus->number)) {
13074
13075                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
13076                                 pci_dev_put(bridge);
13077                                 break;
13078                         }
13079                 }
13080         }
13081
13082         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
13083                 static struct tg3_dev_id {
13084                         u32     vendor;
13085                         u32     device;
13086                 } bridge_chipsets[] = {
13087                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
13088                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
13089                         { },
13090                 };
13091                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
13092                 struct pci_dev *bridge = NULL;
13093
13094                 while (pci_id->vendor != 0) {
13095                         bridge = pci_get_device(pci_id->vendor,
13096                                                 pci_id->device,
13097                                                 bridge);
13098                         if (!bridge) {
13099                                 pci_id++;
13100                                 continue;
13101                         }
13102                         if (bridge->subordinate &&
13103                             (bridge->subordinate->number <=
13104                              tp->pdev->bus->number) &&
13105                             (bridge->subordinate->subordinate >=
13106                              tp->pdev->bus->number)) {
13107                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
13108                                 pci_dev_put(bridge);
13109                                 break;
13110                         }
13111                 }
13112         }
13113
13114         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
13115          * DMA addresses > 40-bit. This bridge may have other additional
13116          * 57xx devices behind it in some 4-port NIC designs for example.
13117          * Any tg3 device found behind the bridge will also need the 40-bit
13118          * DMA workaround.
13119          */
13120         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
13121             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13122                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
13123                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13124                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
13125         }
13126         else {
13127                 struct pci_dev *bridge = NULL;
13128
13129                 do {
13130                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
13131                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
13132                                                 bridge);
13133                         if (bridge && bridge->subordinate &&
13134                             (bridge->subordinate->number <=
13135                              tp->pdev->bus->number) &&
13136                             (bridge->subordinate->subordinate >=
13137                              tp->pdev->bus->number)) {
13138                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13139                                 pci_dev_put(bridge);
13140                                 break;
13141                         }
13142                 } while (bridge);
13143         }
13144
13145         /* Initialize misc host control in PCI block. */
13146         tp->misc_host_ctrl |= (misc_ctrl_reg &
13147                                MISC_HOST_CTRL_CHIPREV);
13148         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13149                                tp->misc_host_ctrl);
13150
13151         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
13152             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
13153             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13154                 tp->pdev_peer = tg3_find_peer(tp);
13155
13156         /* Intentionally exclude ASIC_REV_5906 */
13157         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13158             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13159             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13160             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13161             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13162             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13163             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13164             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13165                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
13166
13167         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13168             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13169             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13170             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13171             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13172                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
13173
13174         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
13175             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
13176                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
13177
13178         /* 5700 B0 chips do not support checksumming correctly due
13179          * to hardware bugs.
13180          */
13181         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
13182                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
13183         else {
13184                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
13185                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
13186                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
13187                         tp->dev->features |= NETIF_F_IPV6_CSUM;
13188         }
13189
13190         /* Determine TSO capabilities */
13191         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13192             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13193                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13194         else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13195                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13196                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13197         else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13198                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13199                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13200                     tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13201                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13202         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13203                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13204                    tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13205                 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13206                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13207                         tp->fw_needed = FIRMWARE_TG3TSO5;
13208                 else
13209                         tp->fw_needed = FIRMWARE_TG3TSO;
13210         }
13211
13212         tp->irq_max = 1;
13213
13214         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13215                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13216                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13217                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13218                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13219                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13220                      tp->pdev_peer == tp->pdev))
13221                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13222
13223                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13224                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13225                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
13226                 }
13227
13228                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13229                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13230                         tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13231                         tp->irq_max = TG3_IRQ_MAX_VECS;
13232                 }
13233         }
13234
13235         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13236             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13237                 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13238         else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13239                 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13240                 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13241         }
13242
13243         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13244             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13245                 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13246
13247         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13248              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13249                  (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13250                 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13251
13252         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13253                               &pci_state_reg);
13254
13255         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13256         if (tp->pcie_cap != 0) {
13257                 u16 lnkctl;
13258
13259                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13260
13261                 pcie_set_readrq(tp->pdev, 4096);
13262
13263                 pci_read_config_word(tp->pdev,
13264                                      tp->pcie_cap + PCI_EXP_LNKCTL,
13265                                      &lnkctl);
13266                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13267                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13268                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13269                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13270                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13271                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13272                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13273                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13274                 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13275                         tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13276                 }
13277         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13278                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13279         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13280                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13281                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13282                 if (!tp->pcix_cap) {
13283                         printk(KERN_ERR PFX "Cannot find PCI-X "
13284                                             "capability, aborting.\n");
13285                         return -EIO;
13286                 }
13287
13288                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13289                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13290         }
13291
13292         /* If we have an AMD 762 or VIA K8T800 chipset, write
13293          * reordering to the mailbox registers done by the host
13294          * controller can cause major troubles.  We read back from
13295          * every mailbox register write to force the writes to be
13296          * posted to the chip in order.
13297          */
13298         if (pci_dev_present(write_reorder_chipsets) &&
13299             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13300                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13301
13302         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13303                              &tp->pci_cacheline_sz);
13304         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13305                              &tp->pci_lat_timer);
13306         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13307             tp->pci_lat_timer < 64) {
13308                 tp->pci_lat_timer = 64;
13309                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13310                                       tp->pci_lat_timer);
13311         }
13312
13313         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13314                 /* 5700 BX chips need to have their TX producer index
13315                  * mailboxes written twice to workaround a bug.
13316                  */
13317                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13318
13319                 /* If we are in PCI-X mode, enable register write workaround.
13320                  *
13321                  * The workaround is to use indirect register accesses
13322                  * for all chip writes not to mailbox registers.
13323                  */
13324                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13325                         u32 pm_reg;
13326
13327                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13328
13329                         /* The chip can have it's power management PCI config
13330                          * space registers clobbered due to this bug.
13331                          * So explicitly force the chip into D0 here.
13332                          */
13333                         pci_read_config_dword(tp->pdev,
13334                                               tp->pm_cap + PCI_PM_CTRL,
13335                                               &pm_reg);
13336                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13337                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13338                         pci_write_config_dword(tp->pdev,
13339                                                tp->pm_cap + PCI_PM_CTRL,
13340                                                pm_reg);
13341
13342                         /* Also, force SERR#/PERR# in PCI command. */
13343                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13344                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13345                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13346                 }
13347         }
13348
13349         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13350                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13351         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13352                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13353
13354         /* Chip-specific fixup from Broadcom driver */
13355         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13356             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13357                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13358                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13359         }
13360
13361         /* Default fast path register access methods */
13362         tp->read32 = tg3_read32;
13363         tp->write32 = tg3_write32;
13364         tp->read32_mbox = tg3_read32;
13365         tp->write32_mbox = tg3_write32;
13366         tp->write32_tx_mbox = tg3_write32;
13367         tp->write32_rx_mbox = tg3_write32;
13368
13369         /* Various workaround register access methods */
13370         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13371                 tp->write32 = tg3_write_indirect_reg32;
13372         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13373                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13374                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13375                 /*
13376                  * Back to back register writes can cause problems on these
13377                  * chips, the workaround is to read back all reg writes
13378                  * except those to mailbox regs.
13379                  *
13380                  * See tg3_write_indirect_reg32().
13381                  */
13382                 tp->write32 = tg3_write_flush_reg32;
13383         }
13384
13385         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13386             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13387                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13388                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13389                         tp->write32_rx_mbox = tg3_write_flush_reg32;
13390         }
13391
13392         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13393                 tp->read32 = tg3_read_indirect_reg32;
13394                 tp->write32 = tg3_write_indirect_reg32;
13395                 tp->read32_mbox = tg3_read_indirect_mbox;
13396                 tp->write32_mbox = tg3_write_indirect_mbox;
13397                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13398                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13399
13400                 iounmap(tp->regs);
13401                 tp->regs = NULL;
13402
13403                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13404                 pci_cmd &= ~PCI_COMMAND_MEMORY;
13405                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13406         }
13407         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13408                 tp->read32_mbox = tg3_read32_mbox_5906;
13409                 tp->write32_mbox = tg3_write32_mbox_5906;
13410                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13411                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13412         }
13413
13414         if (tp->write32 == tg3_write_indirect_reg32 ||
13415             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13416              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13417               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13418                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13419
13420         /* Get eeprom hw config before calling tg3_set_power_state().
13421          * In particular, the TG3_FLG2_IS_NIC flag must be
13422          * determined before calling tg3_set_power_state() so that
13423          * we know whether or not to switch out of Vaux power.
13424          * When the flag is set, it means that GPIO1 is used for eeprom
13425          * write protect and also implies that it is a LOM where GPIOs
13426          * are not used to switch power.
13427          */
13428         tg3_get_eeprom_hw_cfg(tp);
13429
13430         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13431                 /* Allow reads and writes to the
13432                  * APE register and memory space.
13433                  */
13434                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13435                                  PCISTATE_ALLOW_APE_SHMEM_WR;
13436                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13437                                        pci_state_reg);
13438         }
13439
13440         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13441             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13442             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13443             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13444             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13445             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13446                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13447
13448         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13449          * GPIO1 driven high will bring 5700's external PHY out of reset.
13450          * It is also used as eeprom write protect on LOMs.
13451          */
13452         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13453         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13454             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13455                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13456                                        GRC_LCLCTRL_GPIO_OUTPUT1);
13457         /* Unused GPIO3 must be driven as output on 5752 because there
13458          * are no pull-up resistors on unused GPIO pins.
13459          */
13460         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13461                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13462
13463         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13464             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13465             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13466                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13467
13468         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13469             tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13470                 /* Turn off the debug UART. */
13471                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13472                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13473                         /* Keep VMain power. */
13474                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13475                                               GRC_LCLCTRL_GPIO_OUTPUT0;
13476         }
13477
13478         /* Force the chip into D0. */
13479         err = tg3_set_power_state(tp, PCI_D0);
13480         if (err) {
13481                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
13482                        pci_name(tp->pdev));
13483                 return err;
13484         }
13485
13486         /* Derive initial jumbo mode from MTU assigned in
13487          * ether_setup() via the alloc_etherdev() call
13488          */
13489         if (tp->dev->mtu > ETH_DATA_LEN &&
13490             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13491                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13492
13493         /* Determine WakeOnLan speed to use. */
13494         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13495             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13496             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13497             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13498                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13499         } else {
13500                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13501         }
13502
13503         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13504                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13505
13506         /* A few boards don't want Ethernet@WireSpeed phy feature */
13507         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13508             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13509              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13510              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13511             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
13512             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
13513                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13514
13515         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13516             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13517                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13518         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13519                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13520
13521         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13522             !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
13523             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13524             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13525             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
13526             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
13527                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13528                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13529                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13530                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13531                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13532                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13533                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
13534                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13535                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
13536                 } else
13537                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13538         }
13539
13540         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13541             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13542                 tp->phy_otp = tg3_read_otp_phycfg(tp);
13543                 if (tp->phy_otp == 0)
13544                         tp->phy_otp = TG3_OTP_DEFAULT;
13545         }
13546
13547         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13548                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13549         else
13550                 tp->mi_mode = MAC_MI_MODE_BASE;
13551
13552         tp->coalesce_mode = 0;
13553         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13554             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13555                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13556
13557         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13558             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13559                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13560
13561         err = tg3_mdio_init(tp);
13562         if (err)
13563                 return err;
13564
13565         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
13566             (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0 ||
13567                  (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
13568                 return -ENOTSUPP;
13569
13570         /* Initialize data/descriptor byte/word swapping. */
13571         val = tr32(GRC_MODE);
13572         val &= GRC_MODE_HOST_STACKUP;
13573         tw32(GRC_MODE, val | tp->grc_mode);
13574
13575         tg3_switch_clocks(tp);
13576
13577         /* Clear this out for sanity. */
13578         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13579
13580         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13581                               &pci_state_reg);
13582         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13583             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13584                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13585
13586                 if (chiprevid == CHIPREV_ID_5701_A0 ||
13587                     chiprevid == CHIPREV_ID_5701_B0 ||
13588                     chiprevid == CHIPREV_ID_5701_B2 ||
13589                     chiprevid == CHIPREV_ID_5701_B5) {
13590                         void __iomem *sram_base;
13591
13592                         /* Write some dummy words into the SRAM status block
13593                          * area, see if it reads back correctly.  If the return
13594                          * value is bad, force enable the PCIX workaround.
13595                          */
13596                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13597
13598                         writel(0x00000000, sram_base);
13599                         writel(0x00000000, sram_base + 4);
13600                         writel(0xffffffff, sram_base + 4);
13601                         if (readl(sram_base) != 0x00000000)
13602                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13603                 }
13604         }
13605
13606         udelay(50);
13607         tg3_nvram_init(tp);
13608
13609         grc_misc_cfg = tr32(GRC_MISC_CFG);
13610         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13611
13612         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13613             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13614              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13615                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13616
13617         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13618             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13619                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13620         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13621                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13622                                       HOSTCC_MODE_CLRTICK_TXBD);
13623
13624                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13625                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13626                                        tp->misc_host_ctrl);
13627         }
13628
13629         /* Preserve the APE MAC_MODE bits */
13630         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13631                 tp->mac_mode = tr32(MAC_MODE) |
13632                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13633         else
13634                 tp->mac_mode = TG3_DEF_MAC_MODE;
13635
13636         /* these are limited to 10/100 only */
13637         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13638              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13639             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13640              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13641              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13642               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13643               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13644             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13645              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13646               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13647               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13648             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13649             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13650             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
13651             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
13652                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13653
13654         err = tg3_phy_probe(tp);
13655         if (err) {
13656                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
13657                        pci_name(tp->pdev), err);
13658                 /* ... but do not return immediately ... */
13659                 tg3_mdio_fini(tp);
13660         }
13661
13662         tg3_read_partno(tp);
13663         tg3_read_fw_ver(tp);
13664
13665         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13666                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13667         } else {
13668                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13669                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13670                 else
13671                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13672         }
13673
13674         /* 5700 {AX,BX} chips have a broken status block link
13675          * change bit implementation, so we must use the
13676          * status register in those cases.
13677          */
13678         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13679                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13680         else
13681                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13682
13683         /* The led_ctrl is set during tg3_phy_probe, here we might
13684          * have to force the link status polling mechanism based
13685          * upon subsystem IDs.
13686          */
13687         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13688             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13689             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13690                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13691                                   TG3_FLAG_USE_LINKCHG_REG);
13692         }
13693
13694         /* For all SERDES we poll the MAC status register. */
13695         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13696                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13697         else
13698                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13699
13700         tp->rx_offset = NET_IP_ALIGN;
13701         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13702             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13703                 tp->rx_offset = 0;
13704
13705         tp->rx_std_max_post = TG3_RX_RING_SIZE;
13706
13707         /* Increment the rx prod index on the rx std ring by at most
13708          * 8 for these chips to workaround hw errata.
13709          */
13710         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13711             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13712             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13713                 tp->rx_std_max_post = 8;
13714
13715         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13716                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13717                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
13718
13719         return err;
13720 }
13721
13722 #ifdef CONFIG_SPARC
13723 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13724 {
13725         struct net_device *dev = tp->dev;
13726         struct pci_dev *pdev = tp->pdev;
13727         struct device_node *dp = pci_device_to_OF_node(pdev);
13728         const unsigned char *addr;
13729         int len;
13730
13731         addr = of_get_property(dp, "local-mac-address", &len);
13732         if (addr && len == 6) {
13733                 memcpy(dev->dev_addr, addr, 6);
13734                 memcpy(dev->perm_addr, dev->dev_addr, 6);
13735                 return 0;
13736         }
13737         return -ENODEV;
13738 }
13739
13740 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13741 {
13742         struct net_device *dev = tp->dev;
13743
13744         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13745         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13746         return 0;
13747 }
13748 #endif
13749
13750 static int __devinit tg3_get_device_address(struct tg3 *tp)
13751 {
13752         struct net_device *dev = tp->dev;
13753         u32 hi, lo, mac_offset;
13754         int addr_ok = 0;
13755
13756 #ifdef CONFIG_SPARC
13757         if (!tg3_get_macaddr_sparc(tp))
13758                 return 0;
13759 #endif
13760
13761         mac_offset = 0x7c;
13762         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13763             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13764                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13765                         mac_offset = 0xcc;
13766                 if (tg3_nvram_lock(tp))
13767                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13768                 else
13769                         tg3_nvram_unlock(tp);
13770         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13771                 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13772                         mac_offset = 0xcc;
13773         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13774                 mac_offset = 0x10;
13775
13776         /* First try to get it from MAC address mailbox. */
13777         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13778         if ((hi >> 16) == 0x484b) {
13779                 dev->dev_addr[0] = (hi >>  8) & 0xff;
13780                 dev->dev_addr[1] = (hi >>  0) & 0xff;
13781
13782                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13783                 dev->dev_addr[2] = (lo >> 24) & 0xff;
13784                 dev->dev_addr[3] = (lo >> 16) & 0xff;
13785                 dev->dev_addr[4] = (lo >>  8) & 0xff;
13786                 dev->dev_addr[5] = (lo >>  0) & 0xff;
13787
13788                 /* Some old bootcode may report a 0 MAC address in SRAM */
13789                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13790         }
13791         if (!addr_ok) {
13792                 /* Next, try NVRAM. */
13793                 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13794                     !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13795                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13796                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13797                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13798                 }
13799                 /* Finally just fetch it out of the MAC control regs. */
13800                 else {
13801                         hi = tr32(MAC_ADDR_0_HIGH);
13802                         lo = tr32(MAC_ADDR_0_LOW);
13803
13804                         dev->dev_addr[5] = lo & 0xff;
13805                         dev->dev_addr[4] = (lo >> 8) & 0xff;
13806                         dev->dev_addr[3] = (lo >> 16) & 0xff;
13807                         dev->dev_addr[2] = (lo >> 24) & 0xff;
13808                         dev->dev_addr[1] = hi & 0xff;
13809                         dev->dev_addr[0] = (hi >> 8) & 0xff;
13810                 }
13811         }
13812
13813         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13814 #ifdef CONFIG_SPARC
13815                 if (!tg3_get_default_macaddr_sparc(tp))
13816                         return 0;
13817 #endif
13818                 return -EINVAL;
13819         }
13820         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13821         return 0;
13822 }
13823
13824 #define BOUNDARY_SINGLE_CACHELINE       1
13825 #define BOUNDARY_MULTI_CACHELINE        2
13826
13827 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13828 {
13829         int cacheline_size;
13830         u8 byte;
13831         int goal;
13832
13833         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13834         if (byte == 0)
13835                 cacheline_size = 1024;
13836         else
13837                 cacheline_size = (int) byte * 4;
13838
13839         /* On 5703 and later chips, the boundary bits have no
13840          * effect.
13841          */
13842         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13843             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13844             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13845                 goto out;
13846
13847 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13848         goal = BOUNDARY_MULTI_CACHELINE;
13849 #else
13850 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13851         goal = BOUNDARY_SINGLE_CACHELINE;
13852 #else
13853         goal = 0;
13854 #endif
13855 #endif
13856
13857         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13858             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13859                 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13860                 goto out;
13861         }
13862
13863         if (!goal)
13864                 goto out;
13865
13866         /* PCI controllers on most RISC systems tend to disconnect
13867          * when a device tries to burst across a cache-line boundary.
13868          * Therefore, letting tg3 do so just wastes PCI bandwidth.
13869          *
13870          * Unfortunately, for PCI-E there are only limited
13871          * write-side controls for this, and thus for reads
13872          * we will still get the disconnects.  We'll also waste
13873          * these PCI cycles for both read and write for chips
13874          * other than 5700 and 5701 which do not implement the
13875          * boundary bits.
13876          */
13877         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13878             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13879                 switch (cacheline_size) {
13880                 case 16:
13881                 case 32:
13882                 case 64:
13883                 case 128:
13884                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13885                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13886                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13887                         } else {
13888                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13889                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13890                         }
13891                         break;
13892
13893                 case 256:
13894                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13895                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13896                         break;
13897
13898                 default:
13899                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13900                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13901                         break;
13902                 }
13903         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13904                 switch (cacheline_size) {
13905                 case 16:
13906                 case 32:
13907                 case 64:
13908                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13909                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13910                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13911                                 break;
13912                         }
13913                         /* fallthrough */
13914                 case 128:
13915                 default:
13916                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13917                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13918                         break;
13919                 }
13920         } else {
13921                 switch (cacheline_size) {
13922                 case 16:
13923                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13924                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13925                                         DMA_RWCTRL_WRITE_BNDRY_16);
13926                                 break;
13927                         }
13928                         /* fallthrough */
13929                 case 32:
13930                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13931                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13932                                         DMA_RWCTRL_WRITE_BNDRY_32);
13933                                 break;
13934                         }
13935                         /* fallthrough */
13936                 case 64:
13937                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13938                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13939                                         DMA_RWCTRL_WRITE_BNDRY_64);
13940                                 break;
13941                         }
13942                         /* fallthrough */
13943                 case 128:
13944                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13945                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13946                                         DMA_RWCTRL_WRITE_BNDRY_128);
13947                                 break;
13948                         }
13949                         /* fallthrough */
13950                 case 256:
13951                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
13952                                 DMA_RWCTRL_WRITE_BNDRY_256);
13953                         break;
13954                 case 512:
13955                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
13956                                 DMA_RWCTRL_WRITE_BNDRY_512);
13957                         break;
13958                 case 1024:
13959                 default:
13960                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13961                                 DMA_RWCTRL_WRITE_BNDRY_1024);
13962                         break;
13963                 }
13964         }
13965
13966 out:
13967         return val;
13968 }
13969
13970 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13971 {
13972         struct tg3_internal_buffer_desc test_desc;
13973         u32 sram_dma_descs;
13974         int i, ret;
13975
13976         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13977
13978         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13979         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13980         tw32(RDMAC_STATUS, 0);
13981         tw32(WDMAC_STATUS, 0);
13982
13983         tw32(BUFMGR_MODE, 0);
13984         tw32(FTQ_RESET, 0);
13985
13986         test_desc.addr_hi = ((u64) buf_dma) >> 32;
13987         test_desc.addr_lo = buf_dma & 0xffffffff;
13988         test_desc.nic_mbuf = 0x00002100;
13989         test_desc.len = size;
13990
13991         /*
13992          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13993          * the *second* time the tg3 driver was getting loaded after an
13994          * initial scan.
13995          *
13996          * Broadcom tells me:
13997          *   ...the DMA engine is connected to the GRC block and a DMA
13998          *   reset may affect the GRC block in some unpredictable way...
13999          *   The behavior of resets to individual blocks has not been tested.
14000          *
14001          * Broadcom noted the GRC reset will also reset all sub-components.
14002          */
14003         if (to_device) {
14004                 test_desc.cqid_sqid = (13 << 8) | 2;
14005
14006                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
14007                 udelay(40);
14008         } else {
14009                 test_desc.cqid_sqid = (16 << 8) | 7;
14010
14011                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
14012                 udelay(40);
14013         }
14014         test_desc.flags = 0x00000005;
14015
14016         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
14017                 u32 val;
14018
14019                 val = *(((u32 *)&test_desc) + i);
14020                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
14021                                        sram_dma_descs + (i * sizeof(u32)));
14022                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
14023         }
14024         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
14025
14026         if (to_device) {
14027                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
14028         } else {
14029                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
14030         }
14031
14032         ret = -ENODEV;
14033         for (i = 0; i < 40; i++) {
14034                 u32 val;
14035
14036                 if (to_device)
14037                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
14038                 else
14039                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
14040                 if ((val & 0xffff) == sram_dma_descs) {
14041                         ret = 0;
14042                         break;
14043                 }
14044
14045                 udelay(100);
14046         }
14047
14048         return ret;
14049 }
14050
14051 #define TEST_BUFFER_SIZE        0x2000
14052
14053 static int __devinit tg3_test_dma(struct tg3 *tp)
14054 {
14055         dma_addr_t buf_dma;
14056         u32 *buf, saved_dma_rwctrl;
14057         int ret = 0;
14058
14059         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
14060         if (!buf) {
14061                 ret = -ENOMEM;
14062                 goto out_nofree;
14063         }
14064
14065         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
14066                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
14067
14068         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
14069
14070         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14071             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
14072                 goto out;
14073
14074         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14075                 /* DMA read watermark not used on PCIE */
14076                 tp->dma_rwctrl |= 0x00180000;
14077         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
14078                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
14079                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
14080                         tp->dma_rwctrl |= 0x003f0000;
14081                 else
14082                         tp->dma_rwctrl |= 0x003f000f;
14083         } else {
14084                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14085                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
14086                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
14087                         u32 read_water = 0x7;
14088
14089                         /* If the 5704 is behind the EPB bridge, we can
14090                          * do the less restrictive ONE_DMA workaround for
14091                          * better performance.
14092                          */
14093                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
14094                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14095                                 tp->dma_rwctrl |= 0x8000;
14096                         else if (ccval == 0x6 || ccval == 0x7)
14097                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
14098
14099                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
14100                                 read_water = 4;
14101                         /* Set bit 23 to enable PCIX hw bug fix */
14102                         tp->dma_rwctrl |=
14103                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
14104                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
14105                                 (1 << 23);
14106                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
14107                         /* 5780 always in PCIX mode */
14108                         tp->dma_rwctrl |= 0x00144000;
14109                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
14110                         /* 5714 always in PCIX mode */
14111                         tp->dma_rwctrl |= 0x00148000;
14112                 } else {
14113                         tp->dma_rwctrl |= 0x001b000f;
14114                 }
14115         }
14116
14117         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14118             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14119                 tp->dma_rwctrl &= 0xfffffff0;
14120
14121         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
14122             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
14123                 /* Remove this if it causes problems for some boards. */
14124                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
14125
14126                 /* On 5700/5701 chips, we need to set this bit.
14127                  * Otherwise the chip will issue cacheline transactions
14128                  * to streamable DMA memory with not all the byte
14129                  * enables turned on.  This is an error on several
14130                  * RISC PCI controllers, in particular sparc64.
14131                  *
14132                  * On 5703/5704 chips, this bit has been reassigned
14133                  * a different meaning.  In particular, it is used
14134                  * on those chips to enable a PCI-X workaround.
14135                  */
14136                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
14137         }
14138
14139         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14140
14141 #if 0
14142         /* Unneeded, already done by tg3_get_invariants.  */
14143         tg3_switch_clocks(tp);
14144 #endif
14145
14146         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
14147             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
14148                 goto out;
14149
14150         /* It is best to perform DMA test with maximum write burst size
14151          * to expose the 5700/5701 write DMA bug.
14152          */
14153         saved_dma_rwctrl = tp->dma_rwctrl;
14154         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14155         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14156
14157         while (1) {
14158                 u32 *p = buf, i;
14159
14160                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
14161                         p[i] = i;
14162
14163                 /* Send the buffer to the chip. */
14164                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
14165                 if (ret) {
14166                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
14167                         break;
14168                 }
14169
14170 #if 0
14171                 /* validate data reached card RAM correctly. */
14172                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14173                         u32 val;
14174                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
14175                         if (le32_to_cpu(val) != p[i]) {
14176                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
14177                                 /* ret = -ENODEV here? */
14178                         }
14179                         p[i] = 0;
14180                 }
14181 #endif
14182                 /* Now read it back. */
14183                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
14184                 if (ret) {
14185                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
14186
14187                         break;
14188                 }
14189
14190                 /* Verify it. */
14191                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14192                         if (p[i] == i)
14193                                 continue;
14194
14195                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14196                             DMA_RWCTRL_WRITE_BNDRY_16) {
14197                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14198                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14199                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14200                                 break;
14201                         } else {
14202                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
14203                                 ret = -ENODEV;
14204                                 goto out;
14205                         }
14206                 }
14207
14208                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14209                         /* Success. */
14210                         ret = 0;
14211                         break;
14212                 }
14213         }
14214         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14215             DMA_RWCTRL_WRITE_BNDRY_16) {
14216                 static struct pci_device_id dma_wait_state_chipsets[] = {
14217                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14218                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14219                         { },
14220                 };
14221
14222                 /* DMA test passed without adjusting DMA boundary,
14223                  * now look for chipsets that are known to expose the
14224                  * DMA bug without failing the test.
14225                  */
14226                 if (pci_dev_present(dma_wait_state_chipsets)) {
14227                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14228                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14229                 }
14230                 else
14231                         /* Safe to use the calculated DMA boundary. */
14232                         tp->dma_rwctrl = saved_dma_rwctrl;
14233
14234                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14235         }
14236
14237 out:
14238         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14239 out_nofree:
14240         return ret;
14241 }
14242
14243 static void __devinit tg3_init_link_config(struct tg3 *tp)
14244 {
14245         tp->link_config.advertising =
14246                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14247                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14248                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14249                  ADVERTISED_Autoneg | ADVERTISED_MII);
14250         tp->link_config.speed = SPEED_INVALID;
14251         tp->link_config.duplex = DUPLEX_INVALID;
14252         tp->link_config.autoneg = AUTONEG_ENABLE;
14253         tp->link_config.active_speed = SPEED_INVALID;
14254         tp->link_config.active_duplex = DUPLEX_INVALID;
14255         tp->link_config.phy_is_low_power = 0;
14256         tp->link_config.orig_speed = SPEED_INVALID;
14257         tp->link_config.orig_duplex = DUPLEX_INVALID;
14258         tp->link_config.orig_autoneg = AUTONEG_INVALID;
14259 }
14260
14261 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14262 {
14263         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14264             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
14265                 tp->bufmgr_config.mbuf_read_dma_low_water =
14266                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14267                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14268                         DEFAULT_MB_MACRX_LOW_WATER_57765;
14269                 tp->bufmgr_config.mbuf_high_water =
14270                         DEFAULT_MB_HIGH_WATER_57765;
14271
14272                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14273                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14274                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14275                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14276                 tp->bufmgr_config.mbuf_high_water_jumbo =
14277                         DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14278         } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14279                 tp->bufmgr_config.mbuf_read_dma_low_water =
14280                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14281                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14282                         DEFAULT_MB_MACRX_LOW_WATER_5705;
14283                 tp->bufmgr_config.mbuf_high_water =
14284                         DEFAULT_MB_HIGH_WATER_5705;
14285                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14286                         tp->bufmgr_config.mbuf_mac_rx_low_water =
14287                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
14288                         tp->bufmgr_config.mbuf_high_water =
14289                                 DEFAULT_MB_HIGH_WATER_5906;
14290                 }
14291
14292                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14293                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14294                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14295                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14296                 tp->bufmgr_config.mbuf_high_water_jumbo =
14297                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14298         } else {
14299                 tp->bufmgr_config.mbuf_read_dma_low_water =
14300                         DEFAULT_MB_RDMA_LOW_WATER;
14301                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14302                         DEFAULT_MB_MACRX_LOW_WATER;
14303                 tp->bufmgr_config.mbuf_high_water =
14304                         DEFAULT_MB_HIGH_WATER;
14305
14306                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14307                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14308                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14309                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14310                 tp->bufmgr_config.mbuf_high_water_jumbo =
14311                         DEFAULT_MB_HIGH_WATER_JUMBO;
14312         }
14313
14314         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14315         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14316 }
14317
14318 static char * __devinit tg3_phy_string(struct tg3 *tp)
14319 {
14320         switch (tp->phy_id & PHY_ID_MASK) {
14321         case PHY_ID_BCM5400:    return "5400";
14322         case PHY_ID_BCM5401:    return "5401";
14323         case PHY_ID_BCM5411:    return "5411";
14324         case PHY_ID_BCM5701:    return "5701";
14325         case PHY_ID_BCM5703:    return "5703";
14326         case PHY_ID_BCM5704:    return "5704";
14327         case PHY_ID_BCM5705:    return "5705";
14328         case PHY_ID_BCM5750:    return "5750";
14329         case PHY_ID_BCM5752:    return "5752";
14330         case PHY_ID_BCM5714:    return "5714";
14331         case PHY_ID_BCM5780:    return "5780";
14332         case PHY_ID_BCM5755:    return "5755";
14333         case PHY_ID_BCM5787:    return "5787";
14334         case PHY_ID_BCM5784:    return "5784";
14335         case PHY_ID_BCM5756:    return "5722/5756";
14336         case PHY_ID_BCM5906:    return "5906";
14337         case PHY_ID_BCM5761:    return "5761";
14338         case PHY_ID_BCM5718C:   return "5718C";
14339         case PHY_ID_BCM5718S:   return "5718S";
14340         case PHY_ID_BCM57765:   return "57765";
14341         case PHY_ID_BCM8002:    return "8002/serdes";
14342         case 0:                 return "serdes";
14343         default:                return "unknown";
14344         }
14345 }
14346
14347 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14348 {
14349         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14350                 strcpy(str, "PCI Express");
14351                 return str;
14352         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14353                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14354
14355                 strcpy(str, "PCIX:");
14356
14357                 if ((clock_ctrl == 7) ||
14358                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14359                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14360                         strcat(str, "133MHz");
14361                 else if (clock_ctrl == 0)
14362                         strcat(str, "33MHz");
14363                 else if (clock_ctrl == 2)
14364                         strcat(str, "50MHz");
14365                 else if (clock_ctrl == 4)
14366                         strcat(str, "66MHz");
14367                 else if (clock_ctrl == 6)
14368                         strcat(str, "100MHz");
14369         } else {
14370                 strcpy(str, "PCI:");
14371                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14372                         strcat(str, "66MHz");
14373                 else
14374                         strcat(str, "33MHz");
14375         }
14376         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14377                 strcat(str, ":32-bit");
14378         else
14379                 strcat(str, ":64-bit");
14380         return str;
14381 }
14382
14383 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14384 {
14385         struct pci_dev *peer;
14386         unsigned int func, devnr = tp->pdev->devfn & ~7;
14387
14388         for (func = 0; func < 8; func++) {
14389                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14390                 if (peer && peer != tp->pdev)
14391                         break;
14392                 pci_dev_put(peer);
14393         }
14394         /* 5704 can be configured in single-port mode, set peer to
14395          * tp->pdev in that case.
14396          */
14397         if (!peer) {
14398                 peer = tp->pdev;
14399                 return peer;
14400         }
14401
14402         /*
14403          * We don't need to keep the refcount elevated; there's no way
14404          * to remove one half of this device without removing the other
14405          */
14406         pci_dev_put(peer);
14407
14408         return peer;
14409 }
14410
14411 static void __devinit tg3_init_coal(struct tg3 *tp)
14412 {
14413         struct ethtool_coalesce *ec = &tp->coal;
14414
14415         memset(ec, 0, sizeof(*ec));
14416         ec->cmd = ETHTOOL_GCOALESCE;
14417         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14418         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14419         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14420         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14421         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14422         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14423         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14424         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14425         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14426
14427         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14428                                  HOSTCC_MODE_CLRTICK_TXBD)) {
14429                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14430                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14431                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14432                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14433         }
14434
14435         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14436                 ec->rx_coalesce_usecs_irq = 0;
14437                 ec->tx_coalesce_usecs_irq = 0;
14438                 ec->stats_block_coalesce_usecs = 0;
14439         }
14440 }
14441
14442 static const struct net_device_ops tg3_netdev_ops = {
14443         .ndo_open               = tg3_open,
14444         .ndo_stop               = tg3_close,
14445         .ndo_start_xmit         = tg3_start_xmit,
14446         .ndo_get_stats          = tg3_get_stats,
14447         .ndo_validate_addr      = eth_validate_addr,
14448         .ndo_set_multicast_list = tg3_set_rx_mode,
14449         .ndo_set_mac_address    = tg3_set_mac_addr,
14450         .ndo_do_ioctl           = tg3_ioctl,
14451         .ndo_tx_timeout         = tg3_tx_timeout,
14452         .ndo_change_mtu         = tg3_change_mtu,
14453 #if TG3_VLAN_TAG_USED
14454         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14455 #endif
14456 #ifdef CONFIG_NET_POLL_CONTROLLER
14457         .ndo_poll_controller    = tg3_poll_controller,
14458 #endif
14459 };
14460
14461 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14462         .ndo_open               = tg3_open,
14463         .ndo_stop               = tg3_close,
14464         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
14465         .ndo_get_stats          = tg3_get_stats,
14466         .ndo_validate_addr      = eth_validate_addr,
14467         .ndo_set_multicast_list = tg3_set_rx_mode,
14468         .ndo_set_mac_address    = tg3_set_mac_addr,
14469         .ndo_do_ioctl           = tg3_ioctl,
14470         .ndo_tx_timeout         = tg3_tx_timeout,
14471         .ndo_change_mtu         = tg3_change_mtu,
14472 #if TG3_VLAN_TAG_USED
14473         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14474 #endif
14475 #ifdef CONFIG_NET_POLL_CONTROLLER
14476         .ndo_poll_controller    = tg3_poll_controller,
14477 #endif
14478 };
14479
14480 static int __devinit tg3_init_one(struct pci_dev *pdev,
14481                                   const struct pci_device_id *ent)
14482 {
14483         static int tg3_version_printed = 0;
14484         struct net_device *dev;
14485         struct tg3 *tp;
14486         int i, err, pm_cap;
14487         u32 sndmbx, rcvmbx, intmbx;
14488         char str[40];
14489         u64 dma_mask, persist_dma_mask;
14490
14491         if (tg3_version_printed++ == 0)
14492                 printk(KERN_INFO "%s", version);
14493
14494         err = pci_enable_device(pdev);
14495         if (err) {
14496                 printk(KERN_ERR PFX "Cannot enable PCI device, "
14497                        "aborting.\n");
14498                 return err;
14499         }
14500
14501         err = pci_request_regions(pdev, DRV_MODULE_NAME);
14502         if (err) {
14503                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
14504                        "aborting.\n");
14505                 goto err_out_disable_pdev;
14506         }
14507
14508         pci_set_master(pdev);
14509
14510         /* Find power-management capability. */
14511         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14512         if (pm_cap == 0) {
14513                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
14514                        "aborting.\n");
14515                 err = -EIO;
14516                 goto err_out_free_res;
14517         }
14518
14519         dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14520         if (!dev) {
14521                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
14522                 err = -ENOMEM;
14523                 goto err_out_free_res;
14524         }
14525
14526         SET_NETDEV_DEV(dev, &pdev->dev);
14527
14528 #if TG3_VLAN_TAG_USED
14529         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14530 #endif
14531
14532         tp = netdev_priv(dev);
14533         tp->pdev = pdev;
14534         tp->dev = dev;
14535         tp->pm_cap = pm_cap;
14536         tp->rx_mode = TG3_DEF_RX_MODE;
14537         tp->tx_mode = TG3_DEF_TX_MODE;
14538
14539         if (tg3_debug > 0)
14540                 tp->msg_enable = tg3_debug;
14541         else
14542                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14543
14544         /* The word/byte swap controls here control register access byte
14545          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
14546          * setting below.
14547          */
14548         tp->misc_host_ctrl =
14549                 MISC_HOST_CTRL_MASK_PCI_INT |
14550                 MISC_HOST_CTRL_WORD_SWAP |
14551                 MISC_HOST_CTRL_INDIR_ACCESS |
14552                 MISC_HOST_CTRL_PCISTATE_RW;
14553
14554         /* The NONFRM (non-frame) byte/word swap controls take effect
14555          * on descriptor entries, anything which isn't packet data.
14556          *
14557          * The StrongARM chips on the board (one for tx, one for rx)
14558          * are running in big-endian mode.
14559          */
14560         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14561                         GRC_MODE_WSWAP_NONFRM_DATA);
14562 #ifdef __BIG_ENDIAN
14563         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14564 #endif
14565         spin_lock_init(&tp->lock);
14566         spin_lock_init(&tp->indirect_lock);
14567         INIT_WORK(&tp->reset_task, tg3_reset_task);
14568
14569         tp->regs = pci_ioremap_bar(pdev, BAR_0);
14570         if (!tp->regs) {
14571                 printk(KERN_ERR PFX "Cannot map device registers, "
14572                        "aborting.\n");
14573                 err = -ENOMEM;
14574                 goto err_out_free_dev;
14575         }
14576
14577         tg3_init_link_config(tp);
14578
14579         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14580         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14581
14582         dev->ethtool_ops = &tg3_ethtool_ops;
14583         dev->watchdog_timeo = TG3_TX_TIMEOUT;
14584         dev->irq = pdev->irq;
14585
14586         err = tg3_get_invariants(tp);
14587         if (err) {
14588                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
14589                        "aborting.\n");
14590                 goto err_out_iounmap;
14591         }
14592
14593         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14594             tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
14595                 dev->netdev_ops = &tg3_netdev_ops;
14596         else
14597                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14598
14599
14600         /* The EPB bridge inside 5714, 5715, and 5780 and any
14601          * device behind the EPB cannot support DMA addresses > 40-bit.
14602          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14603          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14604          * do DMA address check in tg3_start_xmit().
14605          */
14606         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14607                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14608         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14609                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14610 #ifdef CONFIG_HIGHMEM
14611                 dma_mask = DMA_BIT_MASK(64);
14612 #endif
14613         } else
14614                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14615
14616         /* Configure DMA attributes. */
14617         if (dma_mask > DMA_BIT_MASK(32)) {
14618                 err = pci_set_dma_mask(pdev, dma_mask);
14619                 if (!err) {
14620                         dev->features |= NETIF_F_HIGHDMA;
14621                         err = pci_set_consistent_dma_mask(pdev,
14622                                                           persist_dma_mask);
14623                         if (err < 0) {
14624                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
14625                                        "DMA for consistent allocations\n");
14626                                 goto err_out_iounmap;
14627                         }
14628                 }
14629         }
14630         if (err || dma_mask == DMA_BIT_MASK(32)) {
14631                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14632                 if (err) {
14633                         printk(KERN_ERR PFX "No usable DMA configuration, "
14634                                "aborting.\n");
14635                         goto err_out_iounmap;
14636                 }
14637         }
14638
14639         tg3_init_bufmgr_config(tp);
14640
14641         /* Selectively allow TSO based on operating conditions */
14642         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14643             (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14644                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14645         else {
14646                 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14647                 tp->fw_needed = NULL;
14648         }
14649
14650         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14651                 tp->fw_needed = FIRMWARE_TG3;
14652
14653         /* TSO is on by default on chips that support hardware TSO.
14654          * Firmware TSO on older chips gives lower performance, so it
14655          * is off by default, but can be enabled using ethtool.
14656          */
14657         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14658             (dev->features & NETIF_F_IP_CSUM))
14659                 dev->features |= NETIF_F_TSO;
14660
14661         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14662             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14663                 if (dev->features & NETIF_F_IPV6_CSUM)
14664                         dev->features |= NETIF_F_TSO6;
14665                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14666                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14667                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14668                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14669                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14670                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
14671                         dev->features |= NETIF_F_TSO_ECN;
14672         }
14673
14674         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14675             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14676             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14677                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14678                 tp->rx_pending = 63;
14679         }
14680
14681         err = tg3_get_device_address(tp);
14682         if (err) {
14683                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
14684                        "aborting.\n");
14685                 goto err_out_iounmap;
14686         }
14687
14688         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14689                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14690                 if (!tp->aperegs) {
14691                         printk(KERN_ERR PFX "Cannot map APE registers, "
14692                                "aborting.\n");
14693                         err = -ENOMEM;
14694                         goto err_out_iounmap;
14695                 }
14696
14697                 tg3_ape_lock_init(tp);
14698
14699                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14700                         tg3_read_dash_ver(tp);
14701         }
14702
14703         /*
14704          * Reset chip in case UNDI or EFI driver did not shutdown
14705          * DMA self test will enable WDMAC and we'll see (spurious)
14706          * pending DMA on the PCI bus at that point.
14707          */
14708         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14709             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14710                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14711                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14712         }
14713
14714         err = tg3_test_dma(tp);
14715         if (err) {
14716                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
14717                 goto err_out_apeunmap;
14718         }
14719
14720         /* flow control autonegotiation is default behavior */
14721         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14722         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14723
14724         intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14725         rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14726         sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14727         for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14728                 struct tg3_napi *tnapi = &tp->napi[i];
14729
14730                 tnapi->tp = tp;
14731                 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14732
14733                 tnapi->int_mbox = intmbx;
14734                 if (i < 4)
14735                         intmbx += 0x8;
14736                 else
14737                         intmbx += 0x4;
14738
14739                 tnapi->consmbox = rcvmbx;
14740                 tnapi->prodmbox = sndmbx;
14741
14742                 if (i) {
14743                         tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14744                         netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14745                 } else {
14746                         tnapi->coal_now = HOSTCC_MODE_NOW;
14747                         netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14748                 }
14749
14750                 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14751                         break;
14752
14753                 /*
14754                  * If we support MSIX, we'll be using RSS.  If we're using
14755                  * RSS, the first vector only handles link interrupts and the
14756                  * remaining vectors handle rx and tx interrupts.  Reuse the
14757                  * mailbox values for the next iteration.  The values we setup
14758                  * above are still useful for the single vectored mode.
14759                  */
14760                 if (!i)
14761                         continue;
14762
14763                 rcvmbx += 0x8;
14764
14765                 if (sndmbx & 0x4)
14766                         sndmbx -= 0x4;
14767                 else
14768                         sndmbx += 0xc;
14769         }
14770
14771         tg3_init_coal(tp);
14772
14773         pci_set_drvdata(pdev, dev);
14774
14775         err = register_netdev(dev);
14776         if (err) {
14777                 printk(KERN_ERR PFX "Cannot register net device, "
14778                        "aborting.\n");
14779                 goto err_out_apeunmap;
14780         }
14781
14782         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14783                dev->name,
14784                tp->board_part_number,
14785                tp->pci_chip_rev_id,
14786                tg3_bus_string(tp, str),
14787                dev->dev_addr);
14788
14789         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14790                 struct phy_device *phydev;
14791                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14792                 printk(KERN_INFO
14793                        "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14794                        tp->dev->name, phydev->drv->name,
14795                        dev_name(&phydev->dev));
14796         } else
14797                 printk(KERN_INFO
14798                        "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14799                        tp->dev->name, tg3_phy_string(tp),
14800                        ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14801                         ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14802                          "10/100/1000Base-T")),
14803                        (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14804
14805         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14806                dev->name,
14807                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14808                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14809                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14810                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14811                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14812         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14813                dev->name, tp->dma_rwctrl,
14814                (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
14815                 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
14816
14817         return 0;
14818
14819 err_out_apeunmap:
14820         if (tp->aperegs) {
14821                 iounmap(tp->aperegs);
14822                 tp->aperegs = NULL;
14823         }
14824
14825 err_out_iounmap:
14826         if (tp->regs) {
14827                 iounmap(tp->regs);
14828                 tp->regs = NULL;
14829         }
14830
14831 err_out_free_dev:
14832         free_netdev(dev);
14833
14834 err_out_free_res:
14835         pci_release_regions(pdev);
14836
14837 err_out_disable_pdev:
14838         pci_disable_device(pdev);
14839         pci_set_drvdata(pdev, NULL);
14840         return err;
14841 }
14842
14843 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14844 {
14845         struct net_device *dev = pci_get_drvdata(pdev);
14846
14847         if (dev) {
14848                 struct tg3 *tp = netdev_priv(dev);
14849
14850                 if (tp->fw)
14851                         release_firmware(tp->fw);
14852
14853                 flush_scheduled_work();
14854
14855                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14856                         tg3_phy_fini(tp);
14857                         tg3_mdio_fini(tp);
14858                 }
14859
14860                 unregister_netdev(dev);
14861                 if (tp->aperegs) {
14862                         iounmap(tp->aperegs);
14863                         tp->aperegs = NULL;
14864                 }
14865                 if (tp->regs) {
14866                         iounmap(tp->regs);
14867                         tp->regs = NULL;
14868                 }
14869                 free_netdev(dev);
14870                 pci_release_regions(pdev);
14871                 pci_disable_device(pdev);
14872                 pci_set_drvdata(pdev, NULL);
14873         }
14874 }
14875
14876 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14877 {
14878         struct net_device *dev = pci_get_drvdata(pdev);
14879         struct tg3 *tp = netdev_priv(dev);
14880         pci_power_t target_state;
14881         int err;
14882
14883         /* PCI register 4 needs to be saved whether netif_running() or not.
14884          * MSI address and data need to be saved if using MSI and
14885          * netif_running().
14886          */
14887         pci_save_state(pdev);
14888
14889         if (!netif_running(dev))
14890                 return 0;
14891
14892         flush_scheduled_work();
14893         tg3_phy_stop(tp);
14894         tg3_netif_stop(tp);
14895
14896         del_timer_sync(&tp->timer);
14897
14898         tg3_full_lock(tp, 1);
14899         tg3_disable_ints(tp);
14900         tg3_full_unlock(tp);
14901
14902         netif_device_detach(dev);
14903
14904         tg3_full_lock(tp, 0);
14905         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14906         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14907         tg3_full_unlock(tp);
14908
14909         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14910
14911         err = tg3_set_power_state(tp, target_state);
14912         if (err) {
14913                 int err2;
14914
14915                 tg3_full_lock(tp, 0);
14916
14917                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14918                 err2 = tg3_restart_hw(tp, 1);
14919                 if (err2)
14920                         goto out;
14921
14922                 tp->timer.expires = jiffies + tp->timer_offset;
14923                 add_timer(&tp->timer);
14924
14925                 netif_device_attach(dev);
14926                 tg3_netif_start(tp);
14927
14928 out:
14929                 tg3_full_unlock(tp);
14930
14931                 if (!err2)
14932                         tg3_phy_start(tp);
14933         }
14934
14935         return err;
14936 }
14937
14938 static int tg3_resume(struct pci_dev *pdev)
14939 {
14940         struct net_device *dev = pci_get_drvdata(pdev);
14941         struct tg3 *tp = netdev_priv(dev);
14942         int err;
14943
14944         pci_restore_state(tp->pdev);
14945
14946         if (!netif_running(dev))
14947                 return 0;
14948
14949         err = tg3_set_power_state(tp, PCI_D0);
14950         if (err)
14951                 return err;
14952
14953         netif_device_attach(dev);
14954
14955         tg3_full_lock(tp, 0);
14956
14957         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14958         err = tg3_restart_hw(tp, 1);
14959         if (err)
14960                 goto out;
14961
14962         tp->timer.expires = jiffies + tp->timer_offset;
14963         add_timer(&tp->timer);
14964
14965         tg3_netif_start(tp);
14966
14967 out:
14968         tg3_full_unlock(tp);
14969
14970         if (!err)
14971                 tg3_phy_start(tp);
14972
14973         return err;
14974 }
14975
14976 static struct pci_driver tg3_driver = {
14977         .name           = DRV_MODULE_NAME,
14978         .id_table       = tg3_pci_tbl,
14979         .probe          = tg3_init_one,
14980         .remove         = __devexit_p(tg3_remove_one),
14981         .suspend        = tg3_suspend,
14982         .resume         = tg3_resume
14983 };
14984
14985 static int __init tg3_init(void)
14986 {
14987         return pci_register_driver(&tg3_driver);
14988 }
14989
14990 static void __exit tg3_cleanup(void)
14991 {
14992         pci_unregister_driver(&tg3_driver);
14993 }
14994
14995 module_init(tg3_init);
14996 module_exit(tg3_cleanup);