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  10  *      Derived from proprietary unpublished source code,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      "3.106"
  72 #define DRV_MODULE_RELDATE      "January 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_STD_IBND_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_STD_IBND_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_STD_IBND_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 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1039                 u32 funcnum, is_serdes;
1040
1041                 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1042                 if (funcnum)
1043                         tp->phy_addr = 2;
1044                 else
1045                         tp->phy_addr = 1;
1046
1047                 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1048                         is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1049                 else
1050                         is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1051                                     TG3_CPMU_PHY_STRAP_IS_SERDES;
1052                 if (is_serdes)
1053                         tp->phy_addr += 7;
1054         } else
1055                 tp->phy_addr = TG3_PHY_MII_ADDR;
1056
1057         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1058             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1059                 tg3_mdio_config_5785(tp);
1060 }
1061
1062 static int tg3_mdio_init(struct tg3 *tp)
1063 {
1064         int i;
1065         u32 reg;
1066         struct phy_device *phydev;
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_STD_IBND_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                         ri->skb = NULL;
4663
4664                         pci_unmap_single(tp->pdev, dma_addr, skb_size,
4665                                          PCI_DMA_FROMDEVICE);
4666
4667                         skb_put(skb, len);
4668                 } else {
4669                         struct sk_buff *copy_skb;
4670
4671                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4672                                        desc_idx, *post_ptr);
4673
4674                         copy_skb = netdev_alloc_skb(tp->dev,
4675                                                     len + TG3_RAW_IP_ALIGN);
4676                         if (copy_skb == NULL)
4677                                 goto drop_it_no_recycle;
4678
4679                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4680                         skb_put(copy_skb, len);
4681                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4682                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4683                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4684
4685                         /* We'll reuse the original ring buffer. */
4686                         skb = copy_skb;
4687                 }
4688
4689                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4690                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4691                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4692                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4693                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4694                 else
4695                         skb->ip_summed = CHECKSUM_NONE;
4696
4697                 skb->protocol = eth_type_trans(skb, tp->dev);
4698
4699                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4700                     skb->protocol != htons(ETH_P_8021Q)) {
4701                         dev_kfree_skb(skb);
4702                         goto next_pkt;
4703                 }
4704
4705 #if TG3_VLAN_TAG_USED
4706                 if (tp->vlgrp != NULL &&
4707                     desc->type_flags & RXD_FLAG_VLAN) {
4708                         vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4709                                          desc->err_vlan & RXD_VLAN_MASK, skb);
4710                 } else
4711 #endif
4712                         napi_gro_receive(&tnapi->napi, skb);
4713
4714                 received++;
4715                 budget--;
4716
4717 next_pkt:
4718                 (*post_ptr)++;
4719
4720                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4721                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4722                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4723                                      tpr->rx_std_prod_idx);
4724                         work_mask &= ~RXD_OPAQUE_RING_STD;
4725                         rx_std_posted = 0;
4726                 }
4727 next_pkt_nopost:
4728                 sw_idx++;
4729                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4730
4731                 /* Refresh hw_idx to see if there is new work */
4732                 if (sw_idx == hw_idx) {
4733                         hw_idx = *(tnapi->rx_rcb_prod_idx);
4734                         rmb();
4735                 }
4736         }
4737
4738         /* ACK the status ring. */
4739         tnapi->rx_rcb_ptr = sw_idx;
4740         tw32_rx_mbox(tnapi->consmbox, sw_idx);
4741
4742         /* Refill RX ring(s). */
4743         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4744                 if (work_mask & RXD_OPAQUE_RING_STD) {
4745                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4746                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4747                                      tpr->rx_std_prod_idx);
4748                 }
4749                 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4750                         tpr->rx_jmb_prod_idx = jmb_prod_idx %
4751                                                TG3_RX_JUMBO_RING_SIZE;
4752                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4753                                      tpr->rx_jmb_prod_idx);
4754                 }
4755                 mmiowb();
4756         } else if (work_mask) {
4757                 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4758                  * updated before the producer indices can be updated.
4759                  */
4760                 smp_wmb();
4761
4762                 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4763                 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
4764
4765                 if (tnapi != &tp->napi[1])
4766                         napi_schedule(&tp->napi[1].napi);
4767         }
4768
4769         return received;
4770 }
4771
4772 static void tg3_poll_link(struct tg3 *tp)
4773 {
4774         /* handle link change and other phy events */
4775         if (!(tp->tg3_flags &
4776               (TG3_FLAG_USE_LINKCHG_REG |
4777                TG3_FLAG_POLL_SERDES))) {
4778                 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4779
4780                 if (sblk->status & SD_STATUS_LINK_CHG) {
4781                         sblk->status = SD_STATUS_UPDATED |
4782                                        (sblk->status & ~SD_STATUS_LINK_CHG);
4783                         spin_lock(&tp->lock);
4784                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4785                                 tw32_f(MAC_STATUS,
4786                                      (MAC_STATUS_SYNC_CHANGED |
4787                                       MAC_STATUS_CFG_CHANGED |
4788                                       MAC_STATUS_MI_COMPLETION |
4789                                       MAC_STATUS_LNKSTATE_CHANGED));
4790                                 udelay(40);
4791                         } else
4792                                 tg3_setup_phy(tp, 0);
4793                         spin_unlock(&tp->lock);
4794                 }
4795         }
4796 }
4797
4798 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4799                                 struct tg3_rx_prodring_set *dpr,
4800                                 struct tg3_rx_prodring_set *spr)
4801 {
4802         u32 si, di, cpycnt, src_prod_idx;
4803         int i, err = 0;
4804
4805         while (1) {
4806                 src_prod_idx = spr->rx_std_prod_idx;
4807
4808                 /* Make sure updates to the rx_std_buffers[] entries and the
4809                  * standard producer index are seen in the correct order.
4810                  */
4811                 smp_rmb();
4812
4813                 if (spr->rx_std_cons_idx == src_prod_idx)
4814                         break;
4815
4816                 if (spr->rx_std_cons_idx < src_prod_idx)
4817                         cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4818                 else
4819                         cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4820
4821                 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4822
4823                 si = spr->rx_std_cons_idx;
4824                 di = dpr->rx_std_prod_idx;
4825
4826                 for (i = di; i < di + cpycnt; i++) {
4827                         if (dpr->rx_std_buffers[i].skb) {
4828                                 cpycnt = i - di;
4829                                 err = -ENOSPC;
4830                                 break;
4831                         }
4832                 }
4833
4834                 if (!cpycnt)
4835                         break;
4836
4837                 /* Ensure that updates to the rx_std_buffers ring and the
4838                  * shadowed hardware producer ring from tg3_recycle_skb() are
4839                  * ordered correctly WRT the skb check above.
4840                  */
4841                 smp_rmb();
4842
4843                 memcpy(&dpr->rx_std_buffers[di],
4844                        &spr->rx_std_buffers[si],
4845                        cpycnt * sizeof(struct ring_info));
4846
4847                 for (i = 0; i < cpycnt; i++, di++, si++) {
4848                         struct tg3_rx_buffer_desc *sbd, *dbd;
4849                         sbd = &spr->rx_std[si];
4850                         dbd = &dpr->rx_std[di];
4851                         dbd->addr_hi = sbd->addr_hi;
4852                         dbd->addr_lo = sbd->addr_lo;
4853                 }
4854
4855                 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4856                                        TG3_RX_RING_SIZE;
4857                 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4858                                        TG3_RX_RING_SIZE;
4859         }
4860
4861         while (1) {
4862                 src_prod_idx = spr->rx_jmb_prod_idx;
4863
4864                 /* Make sure updates to the rx_jmb_buffers[] entries and
4865                  * the jumbo producer index are seen in the correct order.
4866                  */
4867                 smp_rmb();
4868
4869                 if (spr->rx_jmb_cons_idx == src_prod_idx)
4870                         break;
4871
4872                 if (spr->rx_jmb_cons_idx < src_prod_idx)
4873                         cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4874                 else
4875                         cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4876
4877                 cpycnt = min(cpycnt,
4878                              TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4879
4880                 si = spr->rx_jmb_cons_idx;
4881                 di = dpr->rx_jmb_prod_idx;
4882
4883                 for (i = di; i < di + cpycnt; i++) {
4884                         if (dpr->rx_jmb_buffers[i].skb) {
4885                                 cpycnt = i - di;
4886                                 err = -ENOSPC;
4887                                 break;
4888                         }
4889                 }
4890
4891                 if (!cpycnt)
4892                         break;
4893
4894                 /* Ensure that updates to the rx_jmb_buffers ring and the
4895                  * shadowed hardware producer ring from tg3_recycle_skb() are
4896                  * ordered correctly WRT the skb check above.
4897                  */
4898                 smp_rmb();
4899
4900                 memcpy(&dpr->rx_jmb_buffers[di],
4901                        &spr->rx_jmb_buffers[si],
4902                        cpycnt * sizeof(struct ring_info));
4903
4904                 for (i = 0; i < cpycnt; i++, di++, si++) {
4905                         struct tg3_rx_buffer_desc *sbd, *dbd;
4906                         sbd = &spr->rx_jmb[si].std;
4907                         dbd = &dpr->rx_jmb[di].std;
4908                         dbd->addr_hi = sbd->addr_hi;
4909                         dbd->addr_lo = sbd->addr_lo;
4910                 }
4911
4912                 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4913                                        TG3_RX_JUMBO_RING_SIZE;
4914                 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4915                                        TG3_RX_JUMBO_RING_SIZE;
4916         }
4917
4918         return err;
4919 }
4920
4921 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4922 {
4923         struct tg3 *tp = tnapi->tp;
4924
4925         /* run TX completion thread */
4926         if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4927                 tg3_tx(tnapi);
4928                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4929                         return work_done;
4930         }
4931
4932         /* run RX thread, within the bounds set by NAPI.
4933          * All RX "locking" is done by ensuring outside
4934          * code synchronizes with tg3->napi.poll()
4935          */
4936         if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4937                 work_done += tg3_rx(tnapi, budget - work_done);
4938
4939         if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4940                 struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
4941                 int i, err = 0;
4942                 u32 std_prod_idx = dpr->rx_std_prod_idx;
4943                 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
4944
4945                 for (i = 1; i < tp->irq_cnt; i++)
4946                         err |= tg3_rx_prodring_xfer(tp, dpr,
4947                                                     tp->napi[i].prodring);
4948
4949                 wmb();
4950
4951                 if (std_prod_idx != dpr->rx_std_prod_idx)
4952                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4953                                      dpr->rx_std_prod_idx);
4954
4955                 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
4956                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4957                                      dpr->rx_jmb_prod_idx);
4958
4959                 mmiowb();
4960
4961                 if (err)
4962                         tw32_f(HOSTCC_MODE, tp->coal_now);
4963         }
4964
4965         return work_done;
4966 }
4967
4968 static int tg3_poll_msix(struct napi_struct *napi, int budget)
4969 {
4970         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4971         struct tg3 *tp = tnapi->tp;
4972         int work_done = 0;
4973         struct tg3_hw_status *sblk = tnapi->hw_status;
4974
4975         while (1) {
4976                 work_done = tg3_poll_work(tnapi, work_done, budget);
4977
4978                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4979                         goto tx_recovery;
4980
4981                 if (unlikely(work_done >= budget))
4982                         break;
4983
4984                 /* tp->last_tag is used in tg3_restart_ints() below
4985                  * to tell the hw how much work has been processed,
4986                  * so we must read it before checking for more work.
4987                  */
4988                 tnapi->last_tag = sblk->status_tag;
4989                 tnapi->last_irq_tag = tnapi->last_tag;
4990                 rmb();
4991
4992                 /* check for RX/TX work to do */
4993                 if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4994                     *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
4995                         napi_complete(napi);
4996                         /* Reenable interrupts. */
4997                         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
4998                         mmiowb();
4999                         break;
5000                 }
5001         }
5002
5003         return work_done;
5004
5005 tx_recovery:
5006         /* work_done is guaranteed to be less than budget. */
5007         napi_complete(napi);
5008         schedule_work(&tp->reset_task);
5009         return work_done;
5010 }
5011
5012 static int tg3_poll(struct napi_struct *napi, int budget)
5013 {
5014         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5015         struct tg3 *tp = tnapi->tp;
5016         int work_done = 0;
5017         struct tg3_hw_status *sblk = tnapi->hw_status;
5018
5019         while (1) {
5020                 tg3_poll_link(tp);
5021
5022                 work_done = tg3_poll_work(tnapi, work_done, budget);
5023
5024                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5025                         goto tx_recovery;
5026
5027                 if (unlikely(work_done >= budget))
5028                         break;
5029
5030                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5031                         /* tp->last_tag is used in tg3_int_reenable() below
5032                          * to tell the hw how much work has been processed,
5033                          * so we must read it before checking for more work.
5034                          */
5035                         tnapi->last_tag = sblk->status_tag;
5036                         tnapi->last_irq_tag = tnapi->last_tag;
5037                         rmb();
5038                 } else
5039                         sblk->status &= ~SD_STATUS_UPDATED;
5040
5041                 if (likely(!tg3_has_work(tnapi))) {
5042                         napi_complete(napi);
5043                         tg3_int_reenable(tnapi);
5044                         break;
5045                 }
5046         }
5047
5048         return work_done;
5049
5050 tx_recovery:
5051         /* work_done is guaranteed to be less than budget. */
5052         napi_complete(napi);
5053         schedule_work(&tp->reset_task);
5054         return work_done;
5055 }
5056
5057 static void tg3_irq_quiesce(struct tg3 *tp)
5058 {
5059         int i;
5060
5061         BUG_ON(tp->irq_sync);
5062
5063         tp->irq_sync = 1;
5064         smp_mb();
5065
5066         for (i = 0; i < tp->irq_cnt; i++)
5067                 synchronize_irq(tp->napi[i].irq_vec);
5068 }
5069
5070 static inline int tg3_irq_sync(struct tg3 *tp)
5071 {
5072         return tp->irq_sync;
5073 }
5074
5075 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5076  * If irq_sync is non-zero, then the IRQ handler must be synchronized
5077  * with as well.  Most of the time, this is not necessary except when
5078  * shutting down the device.
5079  */
5080 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5081 {
5082         spin_lock_bh(&tp->lock);
5083         if (irq_sync)
5084                 tg3_irq_quiesce(tp);
5085 }
5086
5087 static inline void tg3_full_unlock(struct tg3 *tp)
5088 {
5089         spin_unlock_bh(&tp->lock);
5090 }
5091
5092 /* One-shot MSI handler - Chip automatically disables interrupt
5093  * after sending MSI so driver doesn't have to do it.
5094  */
5095 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5096 {
5097         struct tg3_napi *tnapi = dev_id;
5098         struct tg3 *tp = tnapi->tp;
5099
5100         prefetch(tnapi->hw_status);
5101         if (tnapi->rx_rcb)
5102                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5103
5104         if (likely(!tg3_irq_sync(tp)))
5105                 napi_schedule(&tnapi->napi);
5106
5107         return IRQ_HANDLED;
5108 }
5109
5110 /* MSI ISR - No need to check for interrupt sharing and no need to
5111  * flush status block and interrupt mailbox. PCI ordering rules
5112  * guarantee that MSI will arrive after the status block.
5113  */
5114 static irqreturn_t tg3_msi(int irq, void *dev_id)
5115 {
5116         struct tg3_napi *tnapi = dev_id;
5117         struct tg3 *tp = tnapi->tp;
5118
5119         prefetch(tnapi->hw_status);
5120         if (tnapi->rx_rcb)
5121                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5122         /*
5123          * Writing any value to intr-mbox-0 clears PCI INTA# and
5124          * chip-internal interrupt pending events.
5125          * Writing non-zero to intr-mbox-0 additional tells the
5126          * NIC to stop sending us irqs, engaging "in-intr-handler"
5127          * event coalescing.
5128          */
5129         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5130         if (likely(!tg3_irq_sync(tp)))
5131                 napi_schedule(&tnapi->napi);
5132
5133         return IRQ_RETVAL(1);
5134 }
5135
5136 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5137 {
5138         struct tg3_napi *tnapi = dev_id;
5139         struct tg3 *tp = tnapi->tp;
5140         struct tg3_hw_status *sblk = tnapi->hw_status;
5141         unsigned int handled = 1;
5142
5143         /* In INTx mode, it is possible for the interrupt to arrive at
5144          * the CPU before the status block posted prior to the interrupt.
5145          * Reading the PCI State register will confirm whether the
5146          * interrupt is ours and will flush the status block.
5147          */
5148         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5149                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5150                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5151                         handled = 0;
5152                         goto out;
5153                 }
5154         }
5155
5156         /*
5157          * Writing any value to intr-mbox-0 clears PCI INTA# and
5158          * chip-internal interrupt pending events.
5159          * Writing non-zero to intr-mbox-0 additional tells the
5160          * NIC to stop sending us irqs, engaging "in-intr-handler"
5161          * event coalescing.
5162          *
5163          * Flush the mailbox to de-assert the IRQ immediately to prevent
5164          * spurious interrupts.  The flush impacts performance but
5165          * excessive spurious interrupts can be worse in some cases.
5166          */
5167         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5168         if (tg3_irq_sync(tp))
5169                 goto out;
5170         sblk->status &= ~SD_STATUS_UPDATED;
5171         if (likely(tg3_has_work(tnapi))) {
5172                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5173                 napi_schedule(&tnapi->napi);
5174         } else {
5175                 /* No work, shared interrupt perhaps?  re-enable
5176                  * interrupts, and flush that PCI write
5177                  */
5178                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5179                                0x00000000);
5180         }
5181 out:
5182         return IRQ_RETVAL(handled);
5183 }
5184
5185 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5186 {
5187         struct tg3_napi *tnapi = dev_id;
5188         struct tg3 *tp = tnapi->tp;
5189         struct tg3_hw_status *sblk = tnapi->hw_status;
5190         unsigned int handled = 1;
5191
5192         /* In INTx mode, it is possible for the interrupt to arrive at
5193          * the CPU before the status block posted prior to the interrupt.
5194          * Reading the PCI State register will confirm whether the
5195          * interrupt is ours and will flush the status block.
5196          */
5197         if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5198                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5199                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5200                         handled = 0;
5201                         goto out;
5202                 }
5203         }
5204
5205         /*
5206          * writing any value to intr-mbox-0 clears PCI INTA# and
5207          * chip-internal interrupt pending events.
5208          * writing non-zero to intr-mbox-0 additional tells the
5209          * NIC to stop sending us irqs, engaging "in-intr-handler"
5210          * event coalescing.
5211          *
5212          * Flush the mailbox to de-assert the IRQ immediately to prevent
5213          * spurious interrupts.  The flush impacts performance but
5214          * excessive spurious interrupts can be worse in some cases.
5215          */
5216         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5217
5218         /*
5219          * In a shared interrupt configuration, sometimes other devices'
5220          * interrupts will scream.  We record the current status tag here
5221          * so that the above check can report that the screaming interrupts
5222          * are unhandled.  Eventually they will be silenced.
5223          */
5224         tnapi->last_irq_tag = sblk->status_tag;
5225
5226         if (tg3_irq_sync(tp))
5227                 goto out;
5228
5229         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5230
5231         napi_schedule(&tnapi->napi);
5232
5233 out:
5234         return IRQ_RETVAL(handled);
5235 }
5236
5237 /* ISR for interrupt test */
5238 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5239 {
5240         struct tg3_napi *tnapi = dev_id;
5241         struct tg3 *tp = tnapi->tp;
5242         struct tg3_hw_status *sblk = tnapi->hw_status;
5243
5244         if ((sblk->status & SD_STATUS_UPDATED) ||
5245             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5246                 tg3_disable_ints(tp);
5247                 return IRQ_RETVAL(1);
5248         }
5249         return IRQ_RETVAL(0);
5250 }
5251
5252 static int tg3_init_hw(struct tg3 *, int);
5253 static int tg3_halt(struct tg3 *, int, int);
5254
5255 /* Restart hardware after configuration changes, self-test, etc.
5256  * Invoked with tp->lock held.
5257  */
5258 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5259         __releases(tp->lock)
5260         __acquires(tp->lock)
5261 {
5262         int err;
5263
5264         err = tg3_init_hw(tp, reset_phy);
5265         if (err) {
5266                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
5267                        "aborting.\n", tp->dev->name);
5268                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5269                 tg3_full_unlock(tp);
5270                 del_timer_sync(&tp->timer);
5271                 tp->irq_sync = 0;
5272                 tg3_napi_enable(tp);
5273                 dev_close(tp->dev);
5274                 tg3_full_lock(tp, 0);
5275         }
5276         return err;
5277 }
5278
5279 #ifdef CONFIG_NET_POLL_CONTROLLER
5280 static void tg3_poll_controller(struct net_device *dev)
5281 {
5282         int i;
5283         struct tg3 *tp = netdev_priv(dev);
5284
5285         for (i = 0; i < tp->irq_cnt; i++)
5286                 tg3_interrupt(tp->napi[i].irq_vec, dev);
5287 }
5288 #endif
5289
5290 static void tg3_reset_task(struct work_struct *work)
5291 {
5292         struct tg3 *tp = container_of(work, struct tg3, reset_task);
5293         int err;
5294         unsigned int restart_timer;
5295
5296         tg3_full_lock(tp, 0);
5297
5298         if (!netif_running(tp->dev)) {
5299                 tg3_full_unlock(tp);
5300                 return;
5301         }
5302
5303         tg3_full_unlock(tp);
5304
5305         tg3_phy_stop(tp);
5306
5307         tg3_netif_stop(tp);
5308
5309         tg3_full_lock(tp, 1);
5310
5311         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5312         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5313
5314         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5315                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5316                 tp->write32_rx_mbox = tg3_write_flush_reg32;
5317                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5318                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5319         }
5320
5321         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5322         err = tg3_init_hw(tp, 1);
5323         if (err)
5324                 goto out;
5325
5326         tg3_netif_start(tp);
5327
5328         if (restart_timer)
5329                 mod_timer(&tp->timer, jiffies + 1);
5330
5331 out:
5332         tg3_full_unlock(tp);
5333
5334         if (!err)
5335                 tg3_phy_start(tp);
5336 }
5337
5338 static void tg3_dump_short_state(struct tg3 *tp)
5339 {
5340         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5341                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5342         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5343                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5344 }
5345
5346 static void tg3_tx_timeout(struct net_device *dev)
5347 {
5348         struct tg3 *tp = netdev_priv(dev);
5349
5350         if (netif_msg_tx_err(tp)) {
5351                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5352                        dev->name);
5353                 tg3_dump_short_state(tp);
5354         }
5355
5356         schedule_work(&tp->reset_task);
5357 }
5358
5359 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5360 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5361 {
5362         u32 base = (u32) mapping & 0xffffffff;
5363
5364         return ((base > 0xffffdcc0) &&
5365                 (base + len + 8 < base));
5366 }
5367
5368 /* Test for DMA addresses > 40-bit */
5369 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5370                                           int len)
5371 {
5372 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5373         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5374                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5375         return 0;
5376 #else
5377         return 0;
5378 #endif
5379 }
5380
5381 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5382
5383 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5384 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5385                                        struct sk_buff *skb, u32 last_plus_one,
5386                                        u32 *start, u32 base_flags, u32 mss)
5387 {
5388         struct tg3 *tp = tnapi->tp;
5389         struct sk_buff *new_skb;
5390         dma_addr_t new_addr = 0;
5391         u32 entry = *start;
5392         int i, ret = 0;
5393
5394         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5395                 new_skb = skb_copy(skb, GFP_ATOMIC);
5396         else {
5397                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5398
5399                 new_skb = skb_copy_expand(skb,
5400                                           skb_headroom(skb) + more_headroom,
5401                                           skb_tailroom(skb), GFP_ATOMIC);
5402         }
5403
5404         if (!new_skb) {
5405                 ret = -1;
5406         } else {
5407                 /* New SKB is guaranteed to be linear. */
5408                 entry = *start;
5409                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5410                                           PCI_DMA_TODEVICE);
5411                 /* Make sure the mapping succeeded */
5412                 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5413                         ret = -1;
5414                         dev_kfree_skb(new_skb);
5415                         new_skb = NULL;
5416
5417                 /* Make sure new skb does not cross any 4G boundaries.
5418                  * Drop the packet if it does.
5419                  */
5420                 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5421                             tg3_4g_overflow_test(new_addr, new_skb->len)) {
5422                         pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5423                                          PCI_DMA_TODEVICE);
5424                         ret = -1;
5425                         dev_kfree_skb(new_skb);
5426                         new_skb = NULL;
5427                 } else {
5428                         tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5429                                     base_flags, 1 | (mss << 1));
5430                         *start = NEXT_TX(entry);
5431                 }
5432         }
5433
5434         /* Now clean up the sw ring entries. */
5435         i = 0;
5436         while (entry != last_plus_one) {
5437                 int len;
5438
5439                 if (i == 0)
5440                         len = skb_headlen(skb);
5441                 else
5442                         len = skb_shinfo(skb)->frags[i-1].size;
5443
5444                 pci_unmap_single(tp->pdev,
5445                                  pci_unmap_addr(&tnapi->tx_buffers[entry],
5446                                                 mapping),
5447                                  len, PCI_DMA_TODEVICE);
5448                 if (i == 0) {
5449                         tnapi->tx_buffers[entry].skb = new_skb;
5450                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5451                                            new_addr);
5452                 } else {
5453                         tnapi->tx_buffers[entry].skb = NULL;
5454                 }
5455                 entry = NEXT_TX(entry);
5456                 i++;
5457         }
5458
5459         dev_kfree_skb(skb);
5460
5461         return ret;
5462 }
5463
5464 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5465                         dma_addr_t mapping, int len, u32 flags,
5466                         u32 mss_and_is_end)
5467 {
5468         struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5469         int is_end = (mss_and_is_end & 0x1);
5470         u32 mss = (mss_and_is_end >> 1);
5471         u32 vlan_tag = 0;
5472
5473         if (is_end)
5474                 flags |= TXD_FLAG_END;
5475         if (flags & TXD_FLAG_VLAN) {
5476                 vlan_tag = flags >> 16;
5477                 flags &= 0xffff;
5478         }
5479         vlan_tag |= (mss << TXD_MSS_SHIFT);
5480
5481         txd->addr_hi = ((u64) mapping >> 32);
5482         txd->addr_lo = ((u64) mapping & 0xffffffff);
5483         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5484         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5485 }
5486
5487 /* hard_start_xmit for devices that don't have any bugs and
5488  * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5489  */
5490 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5491                                   struct net_device *dev)
5492 {
5493         struct tg3 *tp = netdev_priv(dev);
5494         u32 len, entry, base_flags, mss;
5495         dma_addr_t mapping;
5496         struct tg3_napi *tnapi;
5497         struct netdev_queue *txq;
5498         unsigned int i, last;
5499
5500
5501         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5502         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5503         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5504                 tnapi++;
5505
5506         /* We are running in BH disabled context with netif_tx_lock
5507          * and TX reclaim runs via tp->napi.poll inside of a software
5508          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5509          * no IRQ context deadlocks to worry about either.  Rejoice!
5510          */
5511         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5512                 if (!netif_tx_queue_stopped(txq)) {
5513                         netif_tx_stop_queue(txq);
5514
5515                         /* This is a hard error, log it. */
5516                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5517                                "queue awake!\n", dev->name);
5518                 }
5519                 return NETDEV_TX_BUSY;
5520         }
5521
5522         entry = tnapi->tx_prod;
5523         base_flags = 0;
5524         mss = 0;
5525         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5526                 int tcp_opt_len, ip_tcp_len;
5527                 u32 hdrlen;
5528
5529                 if (skb_header_cloned(skb) &&
5530                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5531                         dev_kfree_skb(skb);
5532                         goto out_unlock;
5533                 }
5534
5535                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5536                         hdrlen = skb_headlen(skb) - ETH_HLEN;
5537                 else {
5538                         struct iphdr *iph = ip_hdr(skb);
5539
5540                         tcp_opt_len = tcp_optlen(skb);
5541                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5542
5543                         iph->check = 0;
5544                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5545                         hdrlen = ip_tcp_len + tcp_opt_len;
5546                 }
5547
5548                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5549                         mss |= (hdrlen & 0xc) << 12;
5550                         if (hdrlen & 0x10)
5551                                 base_flags |= 0x00000010;
5552                         base_flags |= (hdrlen & 0x3e0) << 5;
5553                 } else
5554                         mss |= hdrlen << 9;
5555
5556                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5557                                TXD_FLAG_CPU_POST_DMA);
5558
5559                 tcp_hdr(skb)->check = 0;
5560
5561         }
5562         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5563                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5564 #if TG3_VLAN_TAG_USED
5565         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5566                 base_flags |= (TXD_FLAG_VLAN |
5567                                (vlan_tx_tag_get(skb) << 16));
5568 #endif
5569
5570         len = skb_headlen(skb);
5571
5572         /* Queue skb data, a.k.a. the main skb fragment. */
5573         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5574         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5575                 dev_kfree_skb(skb);
5576                 goto out_unlock;
5577         }
5578
5579         tnapi->tx_buffers[entry].skb = skb;
5580         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5581
5582         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5583             !mss && skb->len > ETH_DATA_LEN)
5584                 base_flags |= TXD_FLAG_JMB_PKT;
5585
5586         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5587                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5588
5589         entry = NEXT_TX(entry);
5590
5591         /* Now loop through additional data fragments, and queue them. */
5592         if (skb_shinfo(skb)->nr_frags > 0) {
5593                 last = skb_shinfo(skb)->nr_frags - 1;
5594                 for (i = 0; i <= last; i++) {
5595                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5596
5597                         len = frag->size;
5598                         mapping = pci_map_page(tp->pdev,
5599                                                frag->page,
5600                                                frag->page_offset,
5601                                                len, PCI_DMA_TODEVICE);
5602                         if (pci_dma_mapping_error(tp->pdev, mapping))
5603                                 goto dma_error;
5604
5605                         tnapi->tx_buffers[entry].skb = NULL;
5606                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5607                                            mapping);
5608
5609                         tg3_set_txd(tnapi, entry, mapping, len,
5610                                     base_flags, (i == last) | (mss << 1));
5611
5612                         entry = NEXT_TX(entry);
5613                 }
5614         }
5615
5616         /* Packets are ready, update Tx producer idx local and on card. */
5617         tw32_tx_mbox(tnapi->prodmbox, entry);
5618
5619         tnapi->tx_prod = entry;
5620         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5621                 netif_tx_stop_queue(txq);
5622                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5623                         netif_tx_wake_queue(txq);
5624         }
5625
5626 out_unlock:
5627         mmiowb();
5628
5629         return NETDEV_TX_OK;
5630
5631 dma_error:
5632         last = i;
5633         entry = tnapi->tx_prod;
5634         tnapi->tx_buffers[entry].skb = NULL;
5635         pci_unmap_single(tp->pdev,
5636                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5637                          skb_headlen(skb),
5638                          PCI_DMA_TODEVICE);
5639         for (i = 0; i <= last; i++) {
5640                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5641                 entry = NEXT_TX(entry);
5642
5643                 pci_unmap_page(tp->pdev,
5644                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5645                                               mapping),
5646                                frag->size, PCI_DMA_TODEVICE);
5647         }
5648
5649         dev_kfree_skb(skb);
5650         return NETDEV_TX_OK;
5651 }
5652
5653 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5654                                           struct net_device *);
5655
5656 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5657  * TSO header is greater than 80 bytes.
5658  */
5659 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5660 {
5661         struct sk_buff *segs, *nskb;
5662         u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5663
5664         /* Estimate the number of fragments in the worst case */
5665         if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5666                 netif_stop_queue(tp->dev);
5667                 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5668                         return NETDEV_TX_BUSY;
5669
5670                 netif_wake_queue(tp->dev);
5671         }
5672
5673         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5674         if (IS_ERR(segs))
5675                 goto tg3_tso_bug_end;
5676
5677         do {
5678                 nskb = segs;
5679                 segs = segs->next;
5680                 nskb->next = NULL;
5681                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5682         } while (segs);
5683
5684 tg3_tso_bug_end:
5685         dev_kfree_skb(skb);
5686
5687         return NETDEV_TX_OK;
5688 }
5689
5690 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5691  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5692  */
5693 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5694                                           struct net_device *dev)
5695 {
5696         struct tg3 *tp = netdev_priv(dev);
5697         u32 len, entry, base_flags, mss;
5698         int would_hit_hwbug;
5699         dma_addr_t mapping;
5700         struct tg3_napi *tnapi;
5701         struct netdev_queue *txq;
5702         unsigned int i, last;
5703
5704
5705         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5706         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5707         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5708                 tnapi++;
5709
5710         /* We are running in BH disabled context with netif_tx_lock
5711          * and TX reclaim runs via tp->napi.poll inside of a software
5712          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5713          * no IRQ context deadlocks to worry about either.  Rejoice!
5714          */
5715         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5716                 if (!netif_tx_queue_stopped(txq)) {
5717                         netif_tx_stop_queue(txq);
5718
5719                         /* This is a hard error, log it. */
5720                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5721                                "queue awake!\n", dev->name);
5722                 }
5723                 return NETDEV_TX_BUSY;
5724         }
5725
5726         entry = tnapi->tx_prod;
5727         base_flags = 0;
5728         if (skb->ip_summed == CHECKSUM_PARTIAL)
5729                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5730
5731         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5732                 struct iphdr *iph;
5733                 u32 tcp_opt_len, ip_tcp_len, hdr_len;
5734
5735                 if (skb_header_cloned(skb) &&
5736                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5737                         dev_kfree_skb(skb);
5738                         goto out_unlock;
5739                 }
5740
5741                 tcp_opt_len = tcp_optlen(skb);
5742                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5743
5744                 hdr_len = ip_tcp_len + tcp_opt_len;
5745                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5746                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5747                         return (tg3_tso_bug(tp, skb));
5748
5749                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5750                                TXD_FLAG_CPU_POST_DMA);
5751
5752                 iph = ip_hdr(skb);
5753                 iph->check = 0;
5754                 iph->tot_len = htons(mss + hdr_len);
5755                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5756                         tcp_hdr(skb)->check = 0;
5757                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5758                 } else
5759                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5760                                                                  iph->daddr, 0,
5761                                                                  IPPROTO_TCP,
5762                                                                  0);
5763
5764                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5765                         mss |= (hdr_len & 0xc) << 12;
5766                         if (hdr_len & 0x10)
5767                                 base_flags |= 0x00000010;
5768                         base_flags |= (hdr_len & 0x3e0) << 5;
5769                 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5770                         mss |= hdr_len << 9;
5771                 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5772                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5773                         if (tcp_opt_len || iph->ihl > 5) {
5774                                 int tsflags;
5775
5776                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5777                                 mss |= (tsflags << 11);
5778                         }
5779                 } else {
5780                         if (tcp_opt_len || iph->ihl > 5) {
5781                                 int tsflags;
5782
5783                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5784                                 base_flags |= tsflags << 12;
5785                         }
5786                 }
5787         }
5788 #if TG3_VLAN_TAG_USED
5789         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5790                 base_flags |= (TXD_FLAG_VLAN |
5791                                (vlan_tx_tag_get(skb) << 16));
5792 #endif
5793
5794         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5795             !mss && skb->len > ETH_DATA_LEN)
5796                 base_flags |= TXD_FLAG_JMB_PKT;
5797
5798         len = skb_headlen(skb);
5799
5800         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5801         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5802                 dev_kfree_skb(skb);
5803                 goto out_unlock;
5804         }
5805
5806         tnapi->tx_buffers[entry].skb = skb;
5807         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5808
5809         would_hit_hwbug = 0;
5810
5811         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5812                 would_hit_hwbug = 1;
5813
5814         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5815             tg3_4g_overflow_test(mapping, len))
5816                 would_hit_hwbug = 1;
5817
5818         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5819             tg3_40bit_overflow_test(tp, mapping, len))
5820                 would_hit_hwbug = 1;
5821
5822         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5823                 would_hit_hwbug = 1;
5824
5825         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5826                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5827
5828         entry = NEXT_TX(entry);
5829
5830         /* Now loop through additional data fragments, and queue them. */
5831         if (skb_shinfo(skb)->nr_frags > 0) {
5832                 last = skb_shinfo(skb)->nr_frags - 1;
5833                 for (i = 0; i <= last; i++) {
5834                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5835
5836                         len = frag->size;
5837                         mapping = pci_map_page(tp->pdev,
5838                                                frag->page,
5839                                                frag->page_offset,
5840                                                len, PCI_DMA_TODEVICE);
5841
5842                         tnapi->tx_buffers[entry].skb = NULL;
5843                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5844                                            mapping);
5845                         if (pci_dma_mapping_error(tp->pdev, mapping))
5846                                 goto dma_error;
5847
5848                         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5849                             len <= 8)
5850                                 would_hit_hwbug = 1;
5851
5852                         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5853                             tg3_4g_overflow_test(mapping, len))
5854                                 would_hit_hwbug = 1;
5855
5856                         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5857                             tg3_40bit_overflow_test(tp, mapping, len))
5858                                 would_hit_hwbug = 1;
5859
5860                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5861                                 tg3_set_txd(tnapi, entry, mapping, len,
5862                                             base_flags, (i == last)|(mss << 1));
5863                         else
5864                                 tg3_set_txd(tnapi, entry, mapping, len,
5865                                             base_flags, (i == last));
5866
5867                         entry = NEXT_TX(entry);
5868                 }
5869         }
5870
5871         if (would_hit_hwbug) {
5872                 u32 last_plus_one = entry;
5873                 u32 start;
5874
5875                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5876                 start &= (TG3_TX_RING_SIZE - 1);
5877
5878                 /* If the workaround fails due to memory/mapping
5879                  * failure, silently drop this packet.
5880                  */
5881                 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5882                                                 &start, base_flags, mss))
5883                         goto out_unlock;
5884
5885                 entry = start;
5886         }
5887
5888         /* Packets are ready, update Tx producer idx local and on card. */
5889         tw32_tx_mbox(tnapi->prodmbox, entry);
5890
5891         tnapi->tx_prod = entry;
5892         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5893                 netif_tx_stop_queue(txq);
5894                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5895                         netif_tx_wake_queue(txq);
5896         }
5897
5898 out_unlock:
5899         mmiowb();
5900
5901         return NETDEV_TX_OK;
5902
5903 dma_error:
5904         last = i;
5905         entry = tnapi->tx_prod;
5906         tnapi->tx_buffers[entry].skb = NULL;
5907         pci_unmap_single(tp->pdev,
5908                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5909                          skb_headlen(skb),
5910                          PCI_DMA_TODEVICE);
5911         for (i = 0; i <= last; i++) {
5912                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5913                 entry = NEXT_TX(entry);
5914
5915                 pci_unmap_page(tp->pdev,
5916                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5917                                               mapping),
5918                                frag->size, PCI_DMA_TODEVICE);
5919         }
5920
5921         dev_kfree_skb(skb);
5922         return NETDEV_TX_OK;
5923 }
5924
5925 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5926                                int new_mtu)
5927 {
5928         dev->mtu = new_mtu;
5929
5930         if (new_mtu > ETH_DATA_LEN) {
5931                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5932                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5933                         ethtool_op_set_tso(dev, 0);
5934                 }
5935                 else
5936                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5937         } else {
5938                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5939                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5940                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5941         }
5942 }
5943
5944 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5945 {
5946         struct tg3 *tp = netdev_priv(dev);
5947         int err;
5948
5949         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5950                 return -EINVAL;
5951
5952         if (!netif_running(dev)) {
5953                 /* We'll just catch it later when the
5954                  * device is up'd.
5955                  */
5956                 tg3_set_mtu(dev, tp, new_mtu);
5957                 return 0;
5958         }
5959
5960         tg3_phy_stop(tp);
5961
5962         tg3_netif_stop(tp);
5963
5964         tg3_full_lock(tp, 1);
5965
5966         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5967
5968         tg3_set_mtu(dev, tp, new_mtu);
5969
5970         err = tg3_restart_hw(tp, 0);
5971
5972         if (!err)
5973                 tg3_netif_start(tp);
5974
5975         tg3_full_unlock(tp);
5976
5977         if (!err)
5978                 tg3_phy_start(tp);
5979
5980         return err;
5981 }
5982
5983 static void tg3_rx_prodring_free(struct tg3 *tp,
5984                                  struct tg3_rx_prodring_set *tpr)
5985 {
5986         int i;
5987
5988         if (tpr != &tp->prodring[0]) {
5989                 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
5990                      i = (i + 1) % TG3_RX_RING_SIZE)
5991                         tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5992                                         tp->rx_pkt_map_sz);
5993
5994                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5995                         for (i = tpr->rx_jmb_cons_idx;
5996                              i != tpr->rx_jmb_prod_idx;
5997                              i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
5998                                 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
5999                                                 TG3_RX_JMB_MAP_SZ);
6000                         }
6001                 }
6002
6003                 return;
6004         }
6005
6006         for (i = 0; i < TG3_RX_RING_SIZE; i++)
6007                 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6008                                 tp->rx_pkt_map_sz);
6009
6010         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6011                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
6012                         tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6013                                         TG3_RX_JMB_MAP_SZ);
6014         }
6015 }
6016
6017 /* Initialize tx/rx rings for packet processing.
6018  *
6019  * The chip has been shut down and the driver detached from
6020  * the networking, so no interrupts or new tx packets will
6021  * end up in the driver.  tp->{tx,}lock are held and thus
6022  * we may not sleep.
6023  */
6024 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6025                                  struct tg3_rx_prodring_set *tpr)
6026 {
6027         u32 i, rx_pkt_dma_sz;
6028
6029         tpr->rx_std_cons_idx = 0;
6030         tpr->rx_std_prod_idx = 0;
6031         tpr->rx_jmb_cons_idx = 0;
6032         tpr->rx_jmb_prod_idx = 0;
6033
6034         if (tpr != &tp->prodring[0]) {
6035                 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
6036                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6037                         memset(&tpr->rx_jmb_buffers[0], 0,
6038                                TG3_RX_JMB_BUFF_RING_SIZE);
6039                 goto done;
6040         }
6041
6042         /* Zero out all descriptors. */
6043         memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
6044
6045         rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6046         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6047             tp->dev->mtu > ETH_DATA_LEN)
6048                 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6049         tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6050
6051         /* Initialize invariants of the rings, we only set this
6052          * stuff once.  This works because the card does not
6053          * write into the rx buffer posting rings.
6054          */
6055         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
6056                 struct tg3_rx_buffer_desc *rxd;
6057
6058                 rxd = &tpr->rx_std[i];
6059                 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6060                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6061                 rxd->opaque = (RXD_OPAQUE_RING_STD |
6062                                (i << RXD_OPAQUE_INDEX_SHIFT));
6063         }
6064
6065         /* Now allocate fresh SKBs for each rx ring. */
6066         for (i = 0; i < tp->rx_pending; i++) {
6067                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6068                         printk(KERN_WARNING PFX
6069                                "%s: Using a smaller RX standard ring, "
6070                                "only %d out of %d buffers were allocated "
6071                                "successfully.\n",
6072                                tp->dev->name, i, tp->rx_pending);
6073                         if (i == 0)
6074                                 goto initfail;
6075                         tp->rx_pending = i;
6076                         break;
6077                 }
6078         }
6079
6080         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6081                 goto done;
6082
6083         memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
6084
6085         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6086                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6087                         struct tg3_rx_buffer_desc *rxd;
6088
6089                         rxd = &tpr->rx_jmb[i].std;
6090                         rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6091                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6092                                 RXD_FLAG_JUMBO;
6093                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6094                                (i << RXD_OPAQUE_INDEX_SHIFT));
6095                 }
6096
6097                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
6098                         if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO,
6099                                              i) < 0) {
6100                                 printk(KERN_WARNING PFX
6101                                        "%s: Using a smaller RX jumbo ring, "
6102                                        "only %d out of %d buffers were "
6103                                        "allocated successfully.\n",
6104                                        tp->dev->name, i, tp->rx_jumbo_pending);
6105                                 if (i == 0)
6106                                         goto initfail;
6107                                 tp->rx_jumbo_pending = i;
6108                                 break;
6109                         }
6110                 }
6111         }
6112
6113 done:
6114         return 0;
6115
6116 initfail:
6117         tg3_rx_prodring_free(tp, tpr);
6118         return -ENOMEM;
6119 }
6120
6121 static void tg3_rx_prodring_fini(struct tg3 *tp,
6122                                  struct tg3_rx_prodring_set *tpr)
6123 {
6124         kfree(tpr->rx_std_buffers);
6125         tpr->rx_std_buffers = NULL;
6126         kfree(tpr->rx_jmb_buffers);
6127         tpr->rx_jmb_buffers = NULL;
6128         if (tpr->rx_std) {
6129                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
6130                                     tpr->rx_std, tpr->rx_std_mapping);
6131                 tpr->rx_std = NULL;
6132         }
6133         if (tpr->rx_jmb) {
6134                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
6135                                     tpr->rx_jmb, tpr->rx_jmb_mapping);
6136                 tpr->rx_jmb = NULL;
6137         }
6138 }
6139
6140 static int tg3_rx_prodring_init(struct tg3 *tp,
6141                                 struct tg3_rx_prodring_set *tpr)
6142 {
6143         tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
6144         if (!tpr->rx_std_buffers)
6145                 return -ENOMEM;
6146
6147         tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6148                                            &tpr->rx_std_mapping);
6149         if (!tpr->rx_std)
6150                 goto err_out;
6151
6152         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6153                 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
6154                                               GFP_KERNEL);
6155                 if (!tpr->rx_jmb_buffers)
6156                         goto err_out;
6157
6158                 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6159                                                    TG3_RX_JUMBO_RING_BYTES,
6160                                                    &tpr->rx_jmb_mapping);
6161                 if (!tpr->rx_jmb)
6162                         goto err_out;
6163         }
6164
6165         return 0;
6166
6167 err_out:
6168         tg3_rx_prodring_fini(tp, tpr);
6169         return -ENOMEM;
6170 }
6171
6172 /* Free up pending packets in all rx/tx rings.
6173  *
6174  * The chip has been shut down and the driver detached from
6175  * the networking, so no interrupts or new tx packets will
6176  * end up in the driver.  tp->{tx,}lock is not held and we are not
6177  * in an interrupt context and thus may sleep.
6178  */
6179 static void tg3_free_rings(struct tg3 *tp)
6180 {
6181         int i, j;
6182
6183         for (j = 0; j < tp->irq_cnt; j++) {
6184                 struct tg3_napi *tnapi = &tp->napi[j];
6185
6186                 if (!tnapi->tx_buffers)
6187                         continue;
6188
6189                 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6190                         struct ring_info *txp;
6191                         struct sk_buff *skb;
6192                         unsigned int k;
6193
6194                         txp = &tnapi->tx_buffers[i];
6195                         skb = txp->skb;
6196
6197                         if (skb == NULL) {
6198                                 i++;
6199                                 continue;
6200                         }
6201
6202                         pci_unmap_single(tp->pdev,
6203                                          pci_unmap_addr(txp, mapping),
6204                                          skb_headlen(skb),
6205                                          PCI_DMA_TODEVICE);
6206                         txp->skb = NULL;
6207
6208                         i++;
6209
6210                         for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6211                                 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6212                                 pci_unmap_page(tp->pdev,
6213                                                pci_unmap_addr(txp, mapping),
6214                                                skb_shinfo(skb)->frags[k].size,
6215                                                PCI_DMA_TODEVICE);
6216                                 i++;
6217                         }
6218
6219                         dev_kfree_skb_any(skb);
6220                 }
6221
6222                 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6223         }
6224 }
6225
6226 /* Initialize tx/rx rings for packet processing.
6227  *
6228  * The chip has been shut down and the driver detached from
6229  * the networking, so no interrupts or new tx packets will
6230  * end up in the driver.  tp->{tx,}lock are held and thus
6231  * we may not sleep.
6232  */
6233 static int tg3_init_rings(struct tg3 *tp)
6234 {
6235         int i;
6236
6237         /* Free up all the SKBs. */
6238         tg3_free_rings(tp);
6239
6240         for (i = 0; i < tp->irq_cnt; i++) {
6241                 struct tg3_napi *tnapi = &tp->napi[i];
6242
6243                 tnapi->last_tag = 0;
6244                 tnapi->last_irq_tag = 0;
6245                 tnapi->hw_status->status = 0;
6246                 tnapi->hw_status->status_tag = 0;
6247                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6248
6249                 tnapi->tx_prod = 0;
6250                 tnapi->tx_cons = 0;
6251                 if (tnapi->tx_ring)
6252                         memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6253
6254                 tnapi->rx_rcb_ptr = 0;
6255                 if (tnapi->rx_rcb)
6256                         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6257
6258                 if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
6259                         tg3_free_rings(tp);
6260                         return -ENOMEM;
6261                 }
6262         }
6263
6264         return 0;
6265 }
6266
6267 /*
6268  * Must not be invoked with interrupt sources disabled and
6269  * the hardware shutdown down.
6270  */
6271 static void tg3_free_consistent(struct tg3 *tp)
6272 {
6273         int i;
6274
6275         for (i = 0; i < tp->irq_cnt; i++) {
6276                 struct tg3_napi *tnapi = &tp->napi[i];
6277
6278                 if (tnapi->tx_ring) {
6279                         pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6280                                 tnapi->tx_ring, tnapi->tx_desc_mapping);
6281                         tnapi->tx_ring = NULL;
6282                 }
6283
6284                 kfree(tnapi->tx_buffers);
6285                 tnapi->tx_buffers = NULL;
6286
6287                 if (tnapi->rx_rcb) {
6288                         pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6289                                             tnapi->rx_rcb,
6290                                             tnapi->rx_rcb_mapping);
6291                         tnapi->rx_rcb = NULL;
6292                 }
6293
6294                 if (tnapi->hw_status) {
6295                         pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6296                                             tnapi->hw_status,
6297                                             tnapi->status_mapping);
6298                         tnapi->hw_status = NULL;
6299                 }
6300         }
6301
6302         if (tp->hw_stats) {
6303                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6304                                     tp->hw_stats, tp->stats_mapping);
6305                 tp->hw_stats = NULL;
6306         }
6307
6308         for (i = 0; i < tp->irq_cnt; i++)
6309                 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
6310 }
6311
6312 /*
6313  * Must not be invoked with interrupt sources disabled and
6314  * the hardware shutdown down.  Can sleep.
6315  */
6316 static int tg3_alloc_consistent(struct tg3 *tp)
6317 {
6318         int i;
6319
6320         for (i = 0; i < tp->irq_cnt; i++) {
6321                 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6322                         goto err_out;
6323         }
6324
6325         tp->hw_stats = pci_alloc_consistent(tp->pdev,
6326                                             sizeof(struct tg3_hw_stats),
6327                                             &tp->stats_mapping);
6328         if (!tp->hw_stats)
6329                 goto err_out;
6330
6331         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6332
6333         for (i = 0; i < tp->irq_cnt; i++) {
6334                 struct tg3_napi *tnapi = &tp->napi[i];
6335                 struct tg3_hw_status *sblk;
6336
6337                 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6338                                                         TG3_HW_STATUS_SIZE,
6339                                                         &tnapi->status_mapping);
6340                 if (!tnapi->hw_status)
6341                         goto err_out;
6342
6343                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6344                 sblk = tnapi->hw_status;
6345
6346                 /* If multivector TSS is enabled, vector 0 does not handle
6347                  * tx interrupts.  Don't allocate any resources for it.
6348                  */
6349                 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6350                     (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6351                         tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6352                                                     TG3_TX_RING_SIZE,
6353                                                     GFP_KERNEL);
6354                         if (!tnapi->tx_buffers)
6355                                 goto err_out;
6356
6357                         tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6358                                                               TG3_TX_RING_BYTES,
6359                                                        &tnapi->tx_desc_mapping);
6360                         if (!tnapi->tx_ring)
6361                                 goto err_out;
6362                 }
6363
6364                 /*
6365                  * When RSS is enabled, the status block format changes
6366                  * slightly.  The "rx_jumbo_consumer", "reserved",
6367                  * and "rx_mini_consumer" members get mapped to the
6368                  * other three rx return ring producer indexes.
6369                  */
6370                 switch (i) {
6371                 default:
6372                         tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6373                         break;
6374                 case 2:
6375                         tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6376                         break;
6377                 case 3:
6378                         tnapi->rx_rcb_prod_idx = &sblk->reserved;
6379                         break;
6380                 case 4:
6381                         tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6382                         break;
6383                 }
6384
6385                 tnapi->prodring = &tp->prodring[i];
6386
6387                 /*
6388                  * If multivector RSS is enabled, vector 0 does not handle
6389                  * rx or tx interrupts.  Don't allocate any resources for it.
6390                  */
6391                 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6392                         continue;
6393
6394                 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6395                                                      TG3_RX_RCB_RING_BYTES(tp),
6396                                                      &tnapi->rx_rcb_mapping);
6397                 if (!tnapi->rx_rcb)
6398                         goto err_out;
6399
6400                 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6401         }
6402
6403         return 0;
6404
6405 err_out:
6406         tg3_free_consistent(tp);
6407         return -ENOMEM;
6408 }
6409
6410 #define MAX_WAIT_CNT 1000
6411
6412 /* To stop a block, clear the enable bit and poll till it
6413  * clears.  tp->lock is held.
6414  */
6415 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6416 {
6417         unsigned int i;
6418         u32 val;
6419
6420         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6421                 switch (ofs) {
6422                 case RCVLSC_MODE:
6423                 case DMAC_MODE:
6424                 case MBFREE_MODE:
6425                 case BUFMGR_MODE:
6426                 case MEMARB_MODE:
6427                         /* We can't enable/disable these bits of the
6428                          * 5705/5750, just say success.
6429                          */
6430                         return 0;
6431
6432                 default:
6433                         break;
6434                 }
6435         }
6436
6437         val = tr32(ofs);
6438         val &= ~enable_bit;
6439         tw32_f(ofs, val);
6440
6441         for (i = 0; i < MAX_WAIT_CNT; i++) {
6442                 udelay(100);
6443                 val = tr32(ofs);
6444                 if ((val & enable_bit) == 0)
6445                         break;
6446         }
6447
6448         if (i == MAX_WAIT_CNT && !silent) {
6449                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
6450                        "ofs=%lx enable_bit=%x\n",
6451                        ofs, enable_bit);
6452                 return -ENODEV;
6453         }
6454
6455         return 0;
6456 }
6457
6458 /* tp->lock is held. */
6459 static int tg3_abort_hw(struct tg3 *tp, int silent)
6460 {
6461         int i, err;
6462
6463         tg3_disable_ints(tp);
6464
6465         tp->rx_mode &= ~RX_MODE_ENABLE;
6466         tw32_f(MAC_RX_MODE, tp->rx_mode);
6467         udelay(10);
6468
6469         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6470         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6471         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6472         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6473         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6474         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6475
6476         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6477         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6478         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6479         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6480         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6481         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6482         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6483
6484         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6485         tw32_f(MAC_MODE, tp->mac_mode);
6486         udelay(40);
6487
6488         tp->tx_mode &= ~TX_MODE_ENABLE;
6489         tw32_f(MAC_TX_MODE, tp->tx_mode);
6490
6491         for (i = 0; i < MAX_WAIT_CNT; i++) {
6492                 udelay(100);
6493                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6494                         break;
6495         }
6496         if (i >= MAX_WAIT_CNT) {
6497                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
6498                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6499                        tp->dev->name, tr32(MAC_TX_MODE));
6500                 err |= -ENODEV;
6501         }
6502
6503         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6504         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6505         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6506
6507         tw32(FTQ_RESET, 0xffffffff);
6508         tw32(FTQ_RESET, 0x00000000);
6509
6510         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6511         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6512
6513         for (i = 0; i < tp->irq_cnt; i++) {
6514                 struct tg3_napi *tnapi = &tp->napi[i];
6515                 if (tnapi->hw_status)
6516                         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6517         }
6518         if (tp->hw_stats)
6519                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6520
6521         return err;
6522 }
6523
6524 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6525 {
6526         int i;
6527         u32 apedata;
6528
6529         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6530         if (apedata != APE_SEG_SIG_MAGIC)
6531                 return;
6532
6533         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6534         if (!(apedata & APE_FW_STATUS_READY))
6535                 return;
6536
6537         /* Wait for up to 1 millisecond for APE to service previous event. */
6538         for (i = 0; i < 10; i++) {
6539                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6540                         return;
6541
6542                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6543
6544                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6545                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6546                                         event | APE_EVENT_STATUS_EVENT_PENDING);
6547
6548                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6549
6550                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6551                         break;
6552
6553                 udelay(100);
6554         }
6555
6556         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6557                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6558 }
6559
6560 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6561 {
6562         u32 event;
6563         u32 apedata;
6564
6565         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6566                 return;
6567
6568         switch (kind) {
6569                 case RESET_KIND_INIT:
6570                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6571                                         APE_HOST_SEG_SIG_MAGIC);
6572                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6573                                         APE_HOST_SEG_LEN_MAGIC);
6574                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6575                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6576                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6577                                         APE_HOST_DRIVER_ID_MAGIC);
6578                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6579                                         APE_HOST_BEHAV_NO_PHYLOCK);
6580
6581                         event = APE_EVENT_STATUS_STATE_START;
6582                         break;
6583                 case RESET_KIND_SHUTDOWN:
6584                         /* With the interface we are currently using,
6585                          * APE does not track driver state.  Wiping
6586                          * out the HOST SEGMENT SIGNATURE forces
6587                          * the APE to assume OS absent status.
6588                          */
6589                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6590
6591                         event = APE_EVENT_STATUS_STATE_UNLOAD;
6592                         break;
6593                 case RESET_KIND_SUSPEND:
6594                         event = APE_EVENT_STATUS_STATE_SUSPEND;
6595                         break;
6596                 default:
6597                         return;
6598         }
6599
6600         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6601
6602         tg3_ape_send_event(tp, event);
6603 }
6604
6605 /* tp->lock is held. */
6606 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6607 {
6608         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6609                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6610
6611         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6612                 switch (kind) {
6613                 case RESET_KIND_INIT:
6614                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6615                                       DRV_STATE_START);
6616                         break;
6617
6618                 case RESET_KIND_SHUTDOWN:
6619                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6620                                       DRV_STATE_UNLOAD);
6621                         break;
6622
6623                 case RESET_KIND_SUSPEND:
6624                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6625                                       DRV_STATE_SUSPEND);
6626                         break;
6627
6628                 default:
6629                         break;
6630                 }
6631         }
6632
6633         if (kind == RESET_KIND_INIT ||
6634             kind == RESET_KIND_SUSPEND)
6635                 tg3_ape_driver_state_change(tp, kind);
6636 }
6637
6638 /* tp->lock is held. */
6639 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6640 {
6641         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6642                 switch (kind) {
6643                 case RESET_KIND_INIT:
6644                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6645                                       DRV_STATE_START_DONE);
6646                         break;
6647
6648                 case RESET_KIND_SHUTDOWN:
6649                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6650                                       DRV_STATE_UNLOAD_DONE);
6651                         break;
6652
6653                 default:
6654                         break;
6655                 }
6656         }
6657
6658         if (kind == RESET_KIND_SHUTDOWN)
6659                 tg3_ape_driver_state_change(tp, kind);
6660 }
6661
6662 /* tp->lock is held. */
6663 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6664 {
6665         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6666                 switch (kind) {
6667                 case RESET_KIND_INIT:
6668                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6669                                       DRV_STATE_START);
6670                         break;
6671
6672                 case RESET_KIND_SHUTDOWN:
6673                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6674                                       DRV_STATE_UNLOAD);
6675                         break;
6676
6677                 case RESET_KIND_SUSPEND:
6678                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6679                                       DRV_STATE_SUSPEND);
6680                         break;
6681
6682                 default:
6683                         break;
6684                 }
6685         }
6686 }
6687
6688 static int tg3_poll_fw(struct tg3 *tp)
6689 {
6690         int i;
6691         u32 val;
6692
6693         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6694                 /* Wait up to 20ms for init done. */
6695                 for (i = 0; i < 200; i++) {
6696                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6697                                 return 0;
6698                         udelay(100);
6699                 }
6700                 return -ENODEV;
6701         }
6702
6703         /* Wait for firmware initialization to complete. */
6704         for (i = 0; i < 100000; i++) {
6705                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6706                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6707                         break;
6708                 udelay(10);
6709         }
6710
6711         /* Chip might not be fitted with firmware.  Some Sun onboard
6712          * parts are configured like that.  So don't signal the timeout
6713          * of the above loop as an error, but do report the lack of
6714          * running firmware once.
6715          */
6716         if (i >= 100000 &&
6717             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6718                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6719
6720                 printk(KERN_INFO PFX "%s: No firmware running.\n",
6721                        tp->dev->name);
6722         }
6723
6724         if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6725                 /* The 57765 A0 needs a little more
6726                  * time to do some important work.
6727                  */
6728                 mdelay(10);
6729         }
6730
6731         return 0;
6732 }
6733
6734 /* Save PCI command register before chip reset */
6735 static void tg3_save_pci_state(struct tg3 *tp)
6736 {
6737         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6738 }
6739
6740 /* Restore PCI state after chip reset */
6741 static void tg3_restore_pci_state(struct tg3 *tp)
6742 {
6743         u32 val;
6744
6745         /* Re-enable indirect register accesses. */
6746         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6747                                tp->misc_host_ctrl);
6748
6749         /* Set MAX PCI retry to zero. */
6750         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6751         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6752             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6753                 val |= PCISTATE_RETRY_SAME_DMA;
6754         /* Allow reads and writes to the APE register and memory space. */
6755         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6756                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6757                        PCISTATE_ALLOW_APE_SHMEM_WR;
6758         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6759
6760         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6761
6762         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6763                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6764                         pcie_set_readrq(tp->pdev, 4096);
6765                 else {
6766                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6767                                               tp->pci_cacheline_sz);
6768                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6769                                               tp->pci_lat_timer);
6770                 }
6771         }
6772
6773         /* Make sure PCI-X relaxed ordering bit is clear. */
6774         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6775                 u16 pcix_cmd;
6776
6777                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6778                                      &pcix_cmd);
6779                 pcix_cmd &= ~PCI_X_CMD_ERO;
6780                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6781                                       pcix_cmd);
6782         }
6783
6784         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6785
6786                 /* Chip reset on 5780 will reset MSI enable bit,
6787                  * so need to restore it.
6788                  */
6789                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6790                         u16 ctrl;
6791
6792                         pci_read_config_word(tp->pdev,
6793                                              tp->msi_cap + PCI_MSI_FLAGS,
6794                                              &ctrl);
6795                         pci_write_config_word(tp->pdev,
6796                                               tp->msi_cap + PCI_MSI_FLAGS,
6797                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6798                         val = tr32(MSGINT_MODE);
6799                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6800                 }
6801         }
6802 }
6803
6804 static void tg3_stop_fw(struct tg3 *);
6805
6806 /* tp->lock is held. */
6807 static int tg3_chip_reset(struct tg3 *tp)
6808 {
6809         u32 val;
6810         void (*write_op)(struct tg3 *, u32, u32);
6811         int i, err;
6812
6813         tg3_nvram_lock(tp);
6814
6815         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6816
6817         /* No matching tg3_nvram_unlock() after this because
6818          * chip reset below will undo the nvram lock.
6819          */
6820         tp->nvram_lock_cnt = 0;
6821
6822         /* GRC_MISC_CFG core clock reset will clear the memory
6823          * enable bit in PCI register 4 and the MSI enable bit
6824          * on some chips, so we save relevant registers here.
6825          */
6826         tg3_save_pci_state(tp);
6827
6828         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6829             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6830                 tw32(GRC_FASTBOOT_PC, 0);
6831
6832         /*
6833          * We must avoid the readl() that normally takes place.
6834          * It locks machines, causes machine checks, and other
6835          * fun things.  So, temporarily disable the 5701
6836          * hardware workaround, while we do the reset.
6837          */
6838         write_op = tp->write32;
6839         if (write_op == tg3_write_flush_reg32)
6840                 tp->write32 = tg3_write32;
6841
6842         /* Prevent the irq handler from reading or writing PCI registers
6843          * during chip reset when the memory enable bit in the PCI command
6844          * register may be cleared.  The chip does not generate interrupt
6845          * at this time, but the irq handler may still be called due to irq
6846          * sharing or irqpoll.
6847          */
6848         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6849         for (i = 0; i < tp->irq_cnt; i++) {
6850                 struct tg3_napi *tnapi = &tp->napi[i];
6851                 if (tnapi->hw_status) {
6852                         tnapi->hw_status->status = 0;
6853                         tnapi->hw_status->status_tag = 0;
6854                 }
6855                 tnapi->last_tag = 0;
6856                 tnapi->last_irq_tag = 0;
6857         }
6858         smp_mb();
6859
6860         for (i = 0; i < tp->irq_cnt; i++)
6861                 synchronize_irq(tp->napi[i].irq_vec);
6862
6863         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6864                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6865                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6866         }
6867
6868         /* do the reset */
6869         val = GRC_MISC_CFG_CORECLK_RESET;
6870
6871         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6872                 if (tr32(0x7e2c) == 0x60) {
6873                         tw32(0x7e2c, 0x20);
6874                 }
6875                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6876                         tw32(GRC_MISC_CFG, (1 << 29));
6877                         val |= (1 << 29);
6878                 }
6879         }
6880
6881         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6882                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6883                 tw32(GRC_VCPU_EXT_CTRL,
6884                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6885         }
6886
6887         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6888                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6889         tw32(GRC_MISC_CFG, val);
6890
6891         /* restore 5701 hardware bug workaround write method */
6892         tp->write32 = write_op;
6893
6894         /* Unfortunately, we have to delay before the PCI read back.
6895          * Some 575X chips even will not respond to a PCI cfg access
6896          * when the reset command is given to the chip.
6897          *
6898          * How do these hardware designers expect things to work
6899          * properly if the PCI write is posted for a long period
6900          * of time?  It is always necessary to have some method by
6901          * which a register read back can occur to push the write
6902          * out which does the reset.
6903          *
6904          * For most tg3 variants the trick below was working.
6905          * Ho hum...
6906          */
6907         udelay(120);
6908
6909         /* Flush PCI posted writes.  The normal MMIO registers
6910          * are inaccessible at this time so this is the only
6911          * way to make this reliably (actually, this is no longer
6912          * the case, see above).  I tried to use indirect
6913          * register read/write but this upset some 5701 variants.
6914          */
6915         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6916
6917         udelay(120);
6918
6919         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6920                 u16 val16;
6921
6922                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6923                         int i;
6924                         u32 cfg_val;
6925
6926                         /* Wait for link training to complete.  */
6927                         for (i = 0; i < 5000; i++)
6928                                 udelay(100);
6929
6930                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6931                         pci_write_config_dword(tp->pdev, 0xc4,
6932                                                cfg_val | (1 << 15));
6933                 }
6934
6935                 /* Clear the "no snoop" and "relaxed ordering" bits. */
6936                 pci_read_config_word(tp->pdev,
6937                                      tp->pcie_cap + PCI_EXP_DEVCTL,
6938                                      &val16);
6939                 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6940                            PCI_EXP_DEVCTL_NOSNOOP_EN);
6941                 /*
6942                  * Older PCIe devices only support the 128 byte
6943                  * MPS setting.  Enforce the restriction.
6944                  */
6945                 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6946                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6947                         val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6948                 pci_write_config_word(tp->pdev,
6949                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6950                                       val16);
6951
6952                 pcie_set_readrq(tp->pdev, 4096);
6953
6954                 /* Clear error status */
6955                 pci_write_config_word(tp->pdev,
6956                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6957                                       PCI_EXP_DEVSTA_CED |
6958                                       PCI_EXP_DEVSTA_NFED |
6959                                       PCI_EXP_DEVSTA_FED |
6960                                       PCI_EXP_DEVSTA_URD);
6961         }
6962
6963         tg3_restore_pci_state(tp);
6964
6965         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6966
6967         val = 0;
6968         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6969                 val = tr32(MEMARB_MODE);
6970         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6971
6972         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6973                 tg3_stop_fw(tp);
6974                 tw32(0x5000, 0x400);
6975         }
6976
6977         tw32(GRC_MODE, tp->grc_mode);
6978
6979         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6980                 val = tr32(0xc4);
6981
6982                 tw32(0xc4, val | (1 << 15));
6983         }
6984
6985         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6986             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6987                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6988                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6989                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6990                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6991         }
6992
6993         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6994                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6995                 tw32_f(MAC_MODE, tp->mac_mode);
6996         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6997                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6998                 tw32_f(MAC_MODE, tp->mac_mode);
6999         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7000                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
7001                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
7002                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
7003                 tw32_f(MAC_MODE, tp->mac_mode);
7004         } else
7005                 tw32_f(MAC_MODE, 0);
7006         udelay(40);
7007
7008         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
7009
7010         err = tg3_poll_fw(tp);
7011         if (err)
7012                 return err;
7013
7014         tg3_mdio_start(tp);
7015
7016         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7017                 u8 phy_addr;
7018
7019                 phy_addr = tp->phy_addr;
7020                 tp->phy_addr = TG3_PHY_PCIE_ADDR;
7021
7022                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7023                              TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
7024                 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
7025                       TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
7026                       TG3_PCIEPHY_TX0CTRL1_NB_EN;
7027                 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
7028                 udelay(10);
7029
7030                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7031                              TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
7032                 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
7033                       TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
7034                 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
7035                 udelay(10);
7036
7037                 tp->phy_addr = phy_addr;
7038         }
7039
7040         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7041             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7042             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7043             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
7044             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
7045                 val = tr32(0x7c00);
7046
7047                 tw32(0x7c00, val | (1 << 25));
7048         }
7049
7050         /* Reprobe ASF enable state.  */
7051         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7052         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7053         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7054         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7055                 u32 nic_cfg;
7056
7057                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7058                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7059                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7060                         tp->last_event_jiffies = jiffies;
7061                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7062                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7063                 }
7064         }
7065
7066         return 0;
7067 }
7068
7069 /* tp->lock is held. */
7070 static void tg3_stop_fw(struct tg3 *tp)
7071 {
7072         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7073            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7074                 /* Wait for RX cpu to ACK the previous event. */
7075                 tg3_wait_for_event_ack(tp);
7076
7077                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7078
7079                 tg3_generate_fw_event(tp);
7080
7081                 /* Wait for RX cpu to ACK this event. */
7082                 tg3_wait_for_event_ack(tp);
7083         }
7084 }
7085
7086 /* tp->lock is held. */
7087 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7088 {
7089         int err;
7090
7091         tg3_stop_fw(tp);
7092
7093         tg3_write_sig_pre_reset(tp, kind);
7094
7095         tg3_abort_hw(tp, silent);
7096         err = tg3_chip_reset(tp);
7097
7098         __tg3_set_mac_addr(tp, 0);
7099
7100         tg3_write_sig_legacy(tp, kind);
7101         tg3_write_sig_post_reset(tp, kind);
7102
7103         if (err)
7104                 return err;
7105
7106         return 0;
7107 }
7108
7109 #define RX_CPU_SCRATCH_BASE     0x30000
7110 #define RX_CPU_SCRATCH_SIZE     0x04000
7111 #define TX_CPU_SCRATCH_BASE     0x34000
7112 #define TX_CPU_SCRATCH_SIZE     0x04000
7113
7114 /* tp->lock is held. */
7115 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7116 {
7117         int i;
7118
7119         BUG_ON(offset == TX_CPU_BASE &&
7120             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7121
7122         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7123                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7124
7125                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7126                 return 0;
7127         }
7128         if (offset == RX_CPU_BASE) {
7129                 for (i = 0; i < 10000; i++) {
7130                         tw32(offset + CPU_STATE, 0xffffffff);
7131                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7132                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7133                                 break;
7134                 }
7135
7136                 tw32(offset + CPU_STATE, 0xffffffff);
7137                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
7138                 udelay(10);
7139         } else {
7140                 for (i = 0; i < 10000; i++) {
7141                         tw32(offset + CPU_STATE, 0xffffffff);
7142                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7143                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7144                                 break;
7145                 }
7146         }
7147
7148         if (i >= 10000) {
7149                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
7150                        "and %s CPU\n",
7151                        tp->dev->name,
7152                        (offset == RX_CPU_BASE ? "RX" : "TX"));
7153                 return -ENODEV;
7154         }
7155
7156         /* Clear firmware's nvram arbitration. */
7157         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7158                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7159         return 0;
7160 }
7161
7162 struct fw_info {
7163         unsigned int fw_base;
7164         unsigned int fw_len;
7165         const __be32 *fw_data;
7166 };
7167
7168 /* tp->lock is held. */
7169 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7170                                  int cpu_scratch_size, struct fw_info *info)
7171 {
7172         int err, lock_err, i;
7173         void (*write_op)(struct tg3 *, u32, u32);
7174
7175         if (cpu_base == TX_CPU_BASE &&
7176             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7177                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
7178                        "TX cpu firmware on %s which is 5705.\n",
7179                        tp->dev->name);
7180                 return -EINVAL;
7181         }
7182
7183         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7184                 write_op = tg3_write_mem;
7185         else
7186                 write_op = tg3_write_indirect_reg32;
7187
7188         /* It is possible that bootcode is still loading at this point.
7189          * Get the nvram lock first before halting the cpu.
7190          */
7191         lock_err = tg3_nvram_lock(tp);
7192         err = tg3_halt_cpu(tp, cpu_base);
7193         if (!lock_err)
7194                 tg3_nvram_unlock(tp);
7195         if (err)
7196                 goto out;
7197
7198         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7199                 write_op(tp, cpu_scratch_base + i, 0);
7200         tw32(cpu_base + CPU_STATE, 0xffffffff);
7201         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7202         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7203                 write_op(tp, (cpu_scratch_base +
7204                               (info->fw_base & 0xffff) +
7205                               (i * sizeof(u32))),
7206                               be32_to_cpu(info->fw_data[i]));
7207
7208         err = 0;
7209
7210 out:
7211         return err;
7212 }
7213
7214 /* tp->lock is held. */
7215 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7216 {
7217         struct fw_info info;
7218         const __be32 *fw_data;
7219         int err, i;
7220
7221         fw_data = (void *)tp->fw->data;
7222
7223         /* Firmware blob starts with version numbers, followed by
7224            start address and length. We are setting complete length.
7225            length = end_address_of_bss - start_address_of_text.
7226            Remainder is the blob to be loaded contiguously
7227            from start address. */
7228
7229         info.fw_base = be32_to_cpu(fw_data[1]);
7230         info.fw_len = tp->fw->size - 12;
7231         info.fw_data = &fw_data[3];
7232
7233         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7234                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7235                                     &info);
7236         if (err)
7237                 return err;
7238
7239         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7240                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7241                                     &info);
7242         if (err)
7243                 return err;
7244
7245         /* Now startup only the RX cpu. */
7246         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7247         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7248
7249         for (i = 0; i < 5; i++) {
7250                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7251                         break;
7252                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7253                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
7254                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7255                 udelay(1000);
7256         }
7257         if (i >= 5) {
7258                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
7259                        "to set RX CPU PC, is %08x should be %08x\n",
7260                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
7261                        info.fw_base);
7262                 return -ENODEV;
7263         }
7264         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7265         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
7266
7267         return 0;
7268 }
7269
7270 /* 5705 needs a special version of the TSO firmware.  */
7271
7272 /* tp->lock is held. */
7273 static int tg3_load_tso_firmware(struct tg3 *tp)
7274 {
7275         struct fw_info info;
7276         const __be32 *fw_data;
7277         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7278         int err, i;
7279
7280         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7281                 return 0;
7282
7283         fw_data = (void *)tp->fw->data;
7284
7285         /* Firmware blob starts with version numbers, followed by
7286            start address and length. We are setting complete length.
7287            length = end_address_of_bss - start_address_of_text.
7288            Remainder is the blob to be loaded contiguously
7289            from start address. */
7290
7291         info.fw_base = be32_to_cpu(fw_data[1]);
7292         cpu_scratch_size = tp->fw_len;
7293         info.fw_len = tp->fw->size - 12;
7294         info.fw_data = &fw_data[3];
7295
7296         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7297                 cpu_base = RX_CPU_BASE;
7298                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7299         } else {
7300                 cpu_base = TX_CPU_BASE;
7301                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7302                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7303         }
7304
7305         err = tg3_load_firmware_cpu(tp, cpu_base,
7306                                     cpu_scratch_base, cpu_scratch_size,
7307                                     &info);
7308         if (err)
7309                 return err;
7310
7311         /* Now startup the cpu. */
7312         tw32(cpu_base + CPU_STATE, 0xffffffff);
7313         tw32_f(cpu_base + CPU_PC, info.fw_base);
7314
7315         for (i = 0; i < 5; i++) {
7316                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7317                         break;
7318                 tw32(cpu_base + CPU_STATE, 0xffffffff);
7319                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
7320                 tw32_f(cpu_base + CPU_PC, info.fw_base);
7321                 udelay(1000);
7322         }
7323         if (i >= 5) {
7324                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
7325                        "to set CPU PC, is %08x should be %08x\n",
7326                        tp->dev->name, tr32(cpu_base + CPU_PC),
7327                        info.fw_base);
7328                 return -ENODEV;
7329         }
7330         tw32(cpu_base + CPU_STATE, 0xffffffff);
7331         tw32_f(cpu_base + CPU_MODE,  0x00000000);
7332         return 0;
7333 }
7334
7335
7336 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7337 {
7338         struct tg3 *tp = netdev_priv(dev);
7339         struct sockaddr *addr = p;
7340         int err = 0, skip_mac_1 = 0;
7341
7342         if (!is_valid_ether_addr(addr->sa_data))
7343                 return -EINVAL;
7344
7345         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7346
7347         if (!netif_running(dev))
7348                 return 0;
7349
7350         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7351                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7352
7353                 addr0_high = tr32(MAC_ADDR_0_HIGH);
7354                 addr0_low = tr32(MAC_ADDR_0_LOW);
7355                 addr1_high = tr32(MAC_ADDR_1_HIGH);
7356                 addr1_low = tr32(MAC_ADDR_1_LOW);
7357
7358                 /* Skip MAC addr 1 if ASF is using it. */
7359                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7360                     !(addr1_high == 0 && addr1_low == 0))
7361                         skip_mac_1 = 1;
7362         }
7363         spin_lock_bh(&tp->lock);
7364         __tg3_set_mac_addr(tp, skip_mac_1);
7365         spin_unlock_bh(&tp->lock);
7366
7367         return err;
7368 }
7369
7370 /* tp->lock is held. */
7371 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7372                            dma_addr_t mapping, u32 maxlen_flags,
7373                            u32 nic_addr)
7374 {
7375         tg3_write_mem(tp,
7376                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7377                       ((u64) mapping >> 32));
7378         tg3_write_mem(tp,
7379                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7380                       ((u64) mapping & 0xffffffff));
7381         tg3_write_mem(tp,
7382                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7383                        maxlen_flags);
7384
7385         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7386                 tg3_write_mem(tp,
7387                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7388                               nic_addr);
7389 }
7390
7391 static void __tg3_set_rx_mode(struct net_device *);
7392 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7393 {
7394         int i;
7395
7396         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7397                 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7398                 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7399                 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7400         } else {
7401                 tw32(HOSTCC_TXCOL_TICKS, 0);
7402                 tw32(HOSTCC_TXMAX_FRAMES, 0);
7403                 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7404         }
7405
7406         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7407                 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7408                 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7409                 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7410         } else {
7411                 tw32(HOSTCC_RXCOL_TICKS, 0);
7412                 tw32(HOSTCC_RXMAX_FRAMES, 0);
7413                 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7414         }
7415
7416         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7417                 u32 val = ec->stats_block_coalesce_usecs;
7418
7419                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7420                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7421
7422                 if (!netif_carrier_ok(tp->dev))
7423                         val = 0;
7424
7425                 tw32(HOSTCC_STAT_COAL_TICKS, val);
7426         }
7427
7428         for (i = 0; i < tp->irq_cnt - 1; i++) {
7429                 u32 reg;
7430
7431                 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7432                 tw32(reg, ec->rx_coalesce_usecs);
7433                 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7434                 tw32(reg, ec->rx_max_coalesced_frames);
7435                 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7436                 tw32(reg, ec->rx_max_coalesced_frames_irq);
7437
7438                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7439                         reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7440                         tw32(reg, ec->tx_coalesce_usecs);
7441                         reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7442                         tw32(reg, ec->tx_max_coalesced_frames);
7443                         reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7444                         tw32(reg, ec->tx_max_coalesced_frames_irq);
7445                 }
7446         }
7447
7448         for (; i < tp->irq_max - 1; i++) {
7449                 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7450                 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7451                 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7452
7453                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7454                         tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7455                         tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7456                         tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7457                 }
7458         }
7459 }
7460
7461 /* tp->lock is held. */
7462 static void tg3_rings_reset(struct tg3 *tp)
7463 {
7464         int i;
7465         u32 stblk, txrcb, rxrcb, limit;
7466         struct tg3_napi *tnapi = &tp->napi[0];
7467
7468         /* Disable all transmit rings but the first. */
7469         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7470                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7471         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7472                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7473         else
7474                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7475
7476         for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7477              txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7478                 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7479                               BDINFO_FLAGS_DISABLED);
7480
7481
7482         /* Disable all receive return rings but the first. */
7483         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7484                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7485         else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7486                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7487         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7488                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7489                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7490         else
7491                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7492
7493         for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7494              rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7495                 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7496                               BDINFO_FLAGS_DISABLED);
7497
7498         /* Disable interrupts */
7499         tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7500
7501         /* Zero mailbox registers. */
7502         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7503                 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7504                         tp->napi[i].tx_prod = 0;
7505                         tp->napi[i].tx_cons = 0;
7506                         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7507                                 tw32_mailbox(tp->napi[i].prodmbox, 0);
7508                         tw32_rx_mbox(tp->napi[i].consmbox, 0);
7509                         tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7510                 }
7511                 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7512                         tw32_mailbox(tp->napi[0].prodmbox, 0);
7513         } else {
7514                 tp->napi[0].tx_prod = 0;
7515                 tp->napi[0].tx_cons = 0;
7516                 tw32_mailbox(tp->napi[0].prodmbox, 0);
7517                 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7518         }
7519
7520         /* Make sure the NIC-based send BD rings are disabled. */
7521         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7522                 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7523                 for (i = 0; i < 16; i++)
7524                         tw32_tx_mbox(mbox + i * 8, 0);
7525         }
7526
7527         txrcb = NIC_SRAM_SEND_RCB;
7528         rxrcb = NIC_SRAM_RCV_RET_RCB;
7529
7530         /* Clear status block in ram. */
7531         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7532
7533         /* Set status block DMA address */
7534         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7535              ((u64) tnapi->status_mapping >> 32));
7536         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7537              ((u64) tnapi->status_mapping & 0xffffffff));
7538
7539         if (tnapi->tx_ring) {
7540                 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7541                                (TG3_TX_RING_SIZE <<
7542                                 BDINFO_FLAGS_MAXLEN_SHIFT),
7543                                NIC_SRAM_TX_BUFFER_DESC);
7544                 txrcb += TG3_BDINFO_SIZE;
7545         }
7546
7547         if (tnapi->rx_rcb) {
7548                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7549                                (TG3_RX_RCB_RING_SIZE(tp) <<
7550                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7551                 rxrcb += TG3_BDINFO_SIZE;
7552         }
7553
7554         stblk = HOSTCC_STATBLCK_RING1;
7555
7556         for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7557                 u64 mapping = (u64)tnapi->status_mapping;
7558                 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7559                 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7560
7561                 /* Clear status block in ram. */
7562                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7563
7564                 if (tnapi->tx_ring) {
7565                         tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7566                                        (TG3_TX_RING_SIZE <<
7567                                         BDINFO_FLAGS_MAXLEN_SHIFT),
7568                                        NIC_SRAM_TX_BUFFER_DESC);
7569                         txrcb += TG3_BDINFO_SIZE;
7570                 }
7571
7572                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7573                                (TG3_RX_RCB_RING_SIZE(tp) <<
7574                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7575
7576                 stblk += 8;
7577                 rxrcb += TG3_BDINFO_SIZE;
7578         }
7579 }
7580
7581 /* tp->lock is held. */
7582 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7583 {
7584         u32 val, rdmac_mode;
7585         int i, err, limit;
7586         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7587
7588         tg3_disable_ints(tp);
7589
7590         tg3_stop_fw(tp);
7591
7592         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7593
7594         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
7595                 tg3_abort_hw(tp, 1);
7596         }
7597
7598         if (reset_phy &&
7599             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
7600                 tg3_phy_reset(tp);
7601
7602         err = tg3_chip_reset(tp);
7603         if (err)
7604                 return err;
7605
7606         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7607
7608         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7609                 val = tr32(TG3_CPMU_CTRL);
7610                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7611                 tw32(TG3_CPMU_CTRL, val);
7612
7613                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7614                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7615                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7616                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7617
7618                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7619                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7620                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7621                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7622
7623                 val = tr32(TG3_CPMU_HST_ACC);
7624                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7625                 val |= CPMU_HST_ACC_MACCLK_6_25;
7626                 tw32(TG3_CPMU_HST_ACC, val);
7627         }
7628
7629         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7630                 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7631                 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7632                        PCIE_PWR_MGMT_L1_THRESH_4MS;
7633                 tw32(PCIE_PWR_MGMT_THRESH, val);
7634
7635                 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7636                 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7637
7638                 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7639
7640                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7641                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7642         }
7643
7644         if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7645                 u32 grc_mode = tr32(GRC_MODE);
7646
7647                 /* Access the lower 1K of PL PCIE block registers. */
7648                 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7649                 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7650
7651                 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7652                 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7653                      val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7654
7655                 tw32(GRC_MODE, grc_mode);
7656         }
7657
7658         /* This works around an issue with Athlon chipsets on
7659          * B3 tigon3 silicon.  This bit has no effect on any
7660          * other revision.  But do not set this on PCI Express
7661          * chips and don't even touch the clocks if the CPMU is present.
7662          */
7663         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7664                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7665                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7666                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7667         }
7668
7669         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7670             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7671                 val = tr32(TG3PCI_PCISTATE);
7672                 val |= PCISTATE_RETRY_SAME_DMA;
7673                 tw32(TG3PCI_PCISTATE, val);
7674         }
7675
7676         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7677                 /* Allow reads and writes to the
7678                  * APE register and memory space.
7679                  */
7680                 val = tr32(TG3PCI_PCISTATE);
7681                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7682                        PCISTATE_ALLOW_APE_SHMEM_WR;
7683                 tw32(TG3PCI_PCISTATE, val);
7684         }
7685
7686         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7687                 /* Enable some hw fixes.  */
7688                 val = tr32(TG3PCI_MSI_DATA);
7689                 val |= (1 << 26) | (1 << 28) | (1 << 29);
7690                 tw32(TG3PCI_MSI_DATA, val);
7691         }
7692
7693         /* Descriptor ring init may make accesses to the
7694          * NIC SRAM area to setup the TX descriptors, so we
7695          * can only do this after the hardware has been
7696          * successfully reset.
7697          */
7698         err = tg3_init_rings(tp);
7699         if (err)
7700                 return err;
7701
7702         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7703             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7704                 val = tr32(TG3PCI_DMA_RW_CTRL) &
7705                       ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7706                 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7707         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7708                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7709                 /* This value is determined during the probe time DMA
7710                  * engine test, tg3_test_dma.
7711                  */
7712                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7713         }
7714
7715         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7716                           GRC_MODE_4X_NIC_SEND_RINGS |
7717                           GRC_MODE_NO_TX_PHDR_CSUM |
7718                           GRC_MODE_NO_RX_PHDR_CSUM);
7719         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7720
7721         /* Pseudo-header checksum is done by hardware logic and not
7722          * the offload processers, so make the chip do the pseudo-
7723          * header checksums on receive.  For transmit it is more
7724          * convenient to do the pseudo-header checksum in software
7725          * as Linux does that on transmit for us in all cases.
7726          */
7727         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7728
7729         tw32(GRC_MODE,
7730              tp->grc_mode |
7731              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7732
7733         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
7734         val = tr32(GRC_MISC_CFG);
7735         val &= ~0xff;
7736         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7737         tw32(GRC_MISC_CFG, val);
7738
7739         /* Initialize MBUF/DESC pool. */
7740         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7741                 /* Do nothing.  */
7742         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7743                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7744                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7745                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7746                 else
7747                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7748                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7749                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7750         }
7751         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7752                 int fw_len;
7753
7754                 fw_len = tp->fw_len;
7755                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7756                 tw32(BUFMGR_MB_POOL_ADDR,
7757                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7758                 tw32(BUFMGR_MB_POOL_SIZE,
7759                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7760         }
7761
7762         if (tp->dev->mtu <= ETH_DATA_LEN) {
7763                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7764                      tp->bufmgr_config.mbuf_read_dma_low_water);
7765                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7766                      tp->bufmgr_config.mbuf_mac_rx_low_water);
7767                 tw32(BUFMGR_MB_HIGH_WATER,
7768                      tp->bufmgr_config.mbuf_high_water);
7769         } else {
7770                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7771                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7772                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7773                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7774                 tw32(BUFMGR_MB_HIGH_WATER,
7775                      tp->bufmgr_config.mbuf_high_water_jumbo);
7776         }
7777         tw32(BUFMGR_DMA_LOW_WATER,
7778              tp->bufmgr_config.dma_low_water);
7779         tw32(BUFMGR_DMA_HIGH_WATER,
7780              tp->bufmgr_config.dma_high_water);
7781
7782         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7783         for (i = 0; i < 2000; i++) {
7784                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7785                         break;
7786                 udelay(10);
7787         }
7788         if (i >= 2000) {
7789                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7790                        tp->dev->name);
7791                 return -ENODEV;
7792         }
7793
7794         /* Setup replenish threshold. */
7795         val = tp->rx_pending / 8;
7796         if (val == 0)
7797                 val = 1;
7798         else if (val > tp->rx_std_max_post)
7799                 val = tp->rx_std_max_post;
7800         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7801                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7802                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7803
7804                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7805                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7806         }
7807
7808         tw32(RCVBDI_STD_THRESH, val);
7809
7810         /* Initialize TG3_BDINFO's at:
7811          *  RCVDBDI_STD_BD:     standard eth size rx ring
7812          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
7813          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
7814          *
7815          * like so:
7816          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
7817          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
7818          *                              ring attribute flags
7819          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
7820          *
7821          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7822          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7823          *
7824          * The size of each ring is fixed in the firmware, but the location is
7825          * configurable.
7826          */
7827         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7828              ((u64) tpr->rx_std_mapping >> 32));
7829         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7830              ((u64) tpr->rx_std_mapping & 0xffffffff));
7831         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7832                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7833                      NIC_SRAM_RX_BUFFER_DESC);
7834
7835         /* Disable the mini ring */
7836         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7837                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7838                      BDINFO_FLAGS_DISABLED);
7839
7840         /* Program the jumbo buffer descriptor ring control
7841          * blocks on those devices that have them.
7842          */
7843         if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7844             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7845                 /* Setup replenish threshold. */
7846                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7847
7848                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7849                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7850                              ((u64) tpr->rx_jmb_mapping >> 32));
7851                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7852                              ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7853                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7854                              (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7855                              BDINFO_FLAGS_USE_EXT_RECV);
7856                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7857                                 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7858                                      NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7859                 } else {
7860                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7861                              BDINFO_FLAGS_DISABLED);
7862                 }
7863
7864                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7865                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7866                         val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7867                               (RX_STD_MAX_SIZE << 2);
7868                 else
7869                         val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7870         } else
7871                 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7872
7873         tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7874
7875         tpr->rx_std_prod_idx = tp->rx_pending;
7876         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
7877
7878         tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7879                           tp->rx_jumbo_pending : 0;
7880         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
7881
7882         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7883             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7884                 tw32(STD_REPLENISH_LWM, 32);
7885                 tw32(JMB_REPLENISH_LWM, 16);
7886         }
7887
7888         tg3_rings_reset(tp);
7889
7890         /* Initialize MAC address and backoff seed. */
7891         __tg3_set_mac_addr(tp, 0);
7892
7893         /* MTU + ethernet header + FCS + optional VLAN tag */
7894         tw32(MAC_RX_MTU_SIZE,
7895              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7896
7897         /* The slot time is changed by tg3_setup_phy if we
7898          * run at gigabit with half duplex.
7899          */
7900         tw32(MAC_TX_LENGTHS,
7901              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7902              (6 << TX_LENGTHS_IPG_SHIFT) |
7903              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7904
7905         /* Receive rules. */
7906         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7907         tw32(RCVLPC_CONFIG, 0x0181);
7908
7909         /* Calculate RDMAC_MODE setting early, we need it to determine
7910          * the RCVLPC_STATE_ENABLE mask.
7911          */
7912         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7913                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7914                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7915                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7916                       RDMAC_MODE_LNGREAD_ENAB);
7917
7918         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7919                 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
7920
7921         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7922             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7923             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7924                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7925                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7926                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7927
7928         /* If statement applies to 5705 and 5750 PCI devices only */
7929         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7930              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7931             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7932                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7933                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7934                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7935                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7936                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7937                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7938                 }
7939         }
7940
7941         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7942                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7943
7944         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7945                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7946
7947         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7948             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7949             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7950                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7951
7952         /* Receive/send statistics. */
7953         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7954                 val = tr32(RCVLPC_STATS_ENABLE);
7955                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7956                 tw32(RCVLPC_STATS_ENABLE, val);
7957         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7958                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7959                 val = tr32(RCVLPC_STATS_ENABLE);
7960                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7961                 tw32(RCVLPC_STATS_ENABLE, val);
7962         } else {
7963                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7964         }
7965         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7966         tw32(SNDDATAI_STATSENAB, 0xffffff);
7967         tw32(SNDDATAI_STATSCTRL,
7968              (SNDDATAI_SCTRL_ENABLE |
7969               SNDDATAI_SCTRL_FASTUPD));
7970
7971         /* Setup host coalescing engine. */
7972         tw32(HOSTCC_MODE, 0);
7973         for (i = 0; i < 2000; i++) {
7974                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7975                         break;
7976                 udelay(10);
7977         }
7978
7979         __tg3_set_coalesce(tp, &tp->coal);
7980
7981         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7982                 /* Status/statistics block address.  See tg3_timer,
7983                  * the tg3_periodic_fetch_stats call there, and
7984                  * tg3_get_stats to see how this works for 5705/5750 chips.
7985                  */
7986                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7987                      ((u64) tp->stats_mapping >> 32));
7988                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7989                      ((u64) tp->stats_mapping & 0xffffffff));
7990                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7991
7992                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7993
7994                 /* Clear statistics and status block memory areas */
7995                 for (i = NIC_SRAM_STATS_BLK;
7996                      i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7997                      i += sizeof(u32)) {
7998                         tg3_write_mem(tp, i, 0);
7999                         udelay(40);
8000                 }
8001         }
8002
8003         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
8004
8005         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
8006         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
8007         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8008                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
8009
8010         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8011                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
8012                 /* reset to prevent losing 1st rx packet intermittently */
8013                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8014                 udelay(10);
8015         }
8016
8017         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8018                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
8019         else
8020                 tp->mac_mode = 0;
8021         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
8022                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
8023         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8024             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8025             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8026                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8027         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8028         udelay(40);
8029
8030         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8031          * If TG3_FLG2_IS_NIC is zero, we should read the
8032          * register to preserve the GPIO settings for LOMs. The GPIOs,
8033          * whether used as inputs or outputs, are set by boot code after
8034          * reset.
8035          */
8036         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8037                 u32 gpio_mask;
8038
8039                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8040                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8041                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8042
8043                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8044                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8045                                      GRC_LCLCTRL_GPIO_OUTPUT3;
8046
8047                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8048                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8049
8050                 tp->grc_local_ctrl &= ~gpio_mask;
8051                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8052
8053                 /* GPIO1 must be driven high for eeprom write protect */
8054                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8055                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8056                                                GRC_LCLCTRL_GPIO_OUTPUT1);
8057         }
8058         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8059         udelay(100);
8060
8061         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8062                 val = tr32(MSGINT_MODE);
8063                 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8064                 tw32(MSGINT_MODE, val);
8065         }
8066
8067         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8068                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8069                 udelay(40);
8070         }
8071
8072         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8073                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8074                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8075                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8076                WDMAC_MODE_LNGREAD_ENAB);
8077
8078         /* If statement applies to 5705 and 5750 PCI devices only */
8079         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8080              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8081             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8082                 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8083                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8084                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8085                         /* nothing */
8086                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8087                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8088                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8089                         val |= WDMAC_MODE_RX_ACCEL;
8090                 }
8091         }
8092
8093         /* Enable host coalescing bug fix */
8094         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8095                 val |= WDMAC_MODE_STATUS_TAG_FIX;
8096
8097         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8098                 val |= WDMAC_MODE_BURST_ALL_DATA;
8099
8100         tw32_f(WDMAC_MODE, val);
8101         udelay(40);
8102
8103         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8104                 u16 pcix_cmd;
8105
8106                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8107                                      &pcix_cmd);
8108                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8109                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8110                         pcix_cmd |= PCI_X_CMD_READ_2K;
8111                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8112                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8113                         pcix_cmd |= PCI_X_CMD_READ_2K;
8114                 }
8115                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8116                                       pcix_cmd);
8117         }
8118
8119         tw32_f(RDMAC_MODE, rdmac_mode);
8120         udelay(40);
8121
8122         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8123         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8124                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8125
8126         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8127                 tw32(SNDDATAC_MODE,
8128                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8129         else
8130                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8131
8132         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8133         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8134         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8135         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8136         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8137                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8138         val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8139         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8140                 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8141         tw32(SNDBDI_MODE, val);
8142         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8143
8144         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8145                 err = tg3_load_5701_a0_firmware_fix(tp);
8146                 if (err)
8147                         return err;
8148         }
8149
8150         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8151                 err = tg3_load_tso_firmware(tp);
8152                 if (err)
8153                         return err;
8154         }
8155
8156         tp->tx_mode = TX_MODE_ENABLE;
8157         tw32_f(MAC_TX_MODE, tp->tx_mode);
8158         udelay(100);
8159
8160         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8161                 u32 reg = MAC_RSS_INDIR_TBL_0;
8162                 u8 *ent = (u8 *)&val;
8163
8164                 /* Setup the indirection table */
8165                 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8166                         int idx = i % sizeof(val);
8167
8168                         ent[idx] = i % (tp->irq_cnt - 1);
8169                         if (idx == sizeof(val) - 1) {
8170                                 tw32(reg, val);
8171                                 reg += 4;
8172                         }
8173                 }
8174
8175                 /* Setup the "secret" hash key. */
8176                 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8177                 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8178                 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8179                 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8180                 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8181                 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8182                 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8183                 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8184                 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8185                 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8186         }
8187
8188         tp->rx_mode = RX_MODE_ENABLE;
8189         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8190                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8191
8192         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8193                 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8194                                RX_MODE_RSS_ITBL_HASH_BITS_7 |
8195                                RX_MODE_RSS_IPV6_HASH_EN |
8196                                RX_MODE_RSS_TCP_IPV6_HASH_EN |
8197                                RX_MODE_RSS_IPV4_HASH_EN |
8198                                RX_MODE_RSS_TCP_IPV4_HASH_EN;
8199
8200         tw32_f(MAC_RX_MODE, tp->rx_mode);
8201         udelay(10);
8202
8203         tw32(MAC_LED_CTRL, tp->led_ctrl);
8204
8205         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8206         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8207                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8208                 udelay(10);
8209         }
8210         tw32_f(MAC_RX_MODE, tp->rx_mode);
8211         udelay(10);
8212
8213         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8214                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8215                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
8216                         /* Set drive transmission level to 1.2V  */
8217                         /* only if the signal pre-emphasis bit is not set  */
8218                         val = tr32(MAC_SERDES_CFG);
8219                         val &= 0xfffff000;
8220                         val |= 0x880;
8221                         tw32(MAC_SERDES_CFG, val);
8222                 }
8223                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8224                         tw32(MAC_SERDES_CFG, 0x616000);
8225         }
8226
8227         /* Prevent chip from dropping frames when flow control
8228          * is enabled.
8229          */
8230         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8231                 val = 1;
8232         else
8233                 val = 2;
8234         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8235
8236         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8237             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8238                 /* Use hardware link auto-negotiation */
8239                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8240         }
8241
8242         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
8243             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8244                 u32 tmp;
8245
8246                 tmp = tr32(SERDES_RX_CTRL);
8247                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8248                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8249                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8250                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8251         }
8252
8253         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8254                 if (tp->link_config.phy_is_low_power) {
8255                         tp->link_config.phy_is_low_power = 0;
8256                         tp->link_config.speed = tp->link_config.orig_speed;
8257                         tp->link_config.duplex = tp->link_config.orig_duplex;
8258                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
8259                 }
8260
8261                 err = tg3_setup_phy(tp, 0);
8262                 if (err)
8263                         return err;
8264
8265                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8266                     !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
8267                         u32 tmp;
8268
8269                         /* Clear CRC stats. */
8270                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8271                                 tg3_writephy(tp, MII_TG3_TEST1,
8272                                              tmp | MII_TG3_TEST1_CRC_EN);
8273                                 tg3_readphy(tp, 0x14, &tmp);
8274                         }
8275                 }
8276         }
8277
8278         __tg3_set_rx_mode(tp->dev);
8279
8280         /* Initialize receive rules. */
8281         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
8282         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8283         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
8284         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8285
8286         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8287             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8288                 limit = 8;
8289         else
8290                 limit = 16;
8291         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8292                 limit -= 4;
8293         switch (limit) {
8294         case 16:
8295                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
8296         case 15:
8297                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
8298         case 14:
8299                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
8300         case 13:
8301                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
8302         case 12:
8303                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
8304         case 11:
8305                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
8306         case 10:
8307                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
8308         case 9:
8309                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
8310         case 8:
8311                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
8312         case 7:
8313                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
8314         case 6:
8315                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
8316         case 5:
8317                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
8318         case 4:
8319                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
8320         case 3:
8321                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
8322         case 2:
8323         case 1:
8324
8325         default:
8326                 break;
8327         }
8328
8329         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8330                 /* Write our heartbeat update interval to APE. */
8331                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8332                                 APE_HOST_HEARTBEAT_INT_DISABLE);
8333
8334         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8335
8336         return 0;
8337 }
8338
8339 /* Called at device open time to get the chip ready for
8340  * packet processing.  Invoked with tp->lock held.
8341  */
8342 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8343 {
8344         tg3_switch_clocks(tp);
8345
8346         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8347
8348         return tg3_reset_hw(tp, reset_phy);
8349 }
8350
8351 #define TG3_STAT_ADD32(PSTAT, REG) \
8352 do {    u32 __val = tr32(REG); \
8353         (PSTAT)->low += __val; \
8354         if ((PSTAT)->low < __val) \
8355                 (PSTAT)->high += 1; \
8356 } while (0)
8357
8358 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8359 {
8360         struct tg3_hw_stats *sp = tp->hw_stats;
8361
8362         if (!netif_carrier_ok(tp->dev))
8363                 return;
8364
8365         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8366         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8367         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8368         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8369         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8370         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8371         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8372         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8373         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8374         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8375         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8376         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8377         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8378
8379         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8380         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8381         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8382         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8383         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8384         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8385         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8386         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8387         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8388         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8389         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8390         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8391         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8392         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8393
8394         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8395         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8396         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8397 }
8398
8399 static void tg3_timer(unsigned long __opaque)
8400 {
8401         struct tg3 *tp = (struct tg3 *) __opaque;
8402
8403         if (tp->irq_sync)
8404                 goto restart_timer;
8405
8406         spin_lock(&tp->lock);
8407
8408         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8409                 /* All of this garbage is because when using non-tagged
8410                  * IRQ status the mailbox/status_block protocol the chip
8411                  * uses with the cpu is race prone.
8412                  */
8413                 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8414                         tw32(GRC_LOCAL_CTRL,
8415                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8416                 } else {
8417                         tw32(HOSTCC_MODE, tp->coalesce_mode |
8418                              HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8419                 }
8420
8421                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8422                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8423                         spin_unlock(&tp->lock);
8424                         schedule_work(&tp->reset_task);
8425                         return;
8426                 }
8427         }
8428
8429         /* This part only runs once per second. */
8430         if (!--tp->timer_counter) {
8431                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8432                         tg3_periodic_fetch_stats(tp);
8433
8434                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8435                         u32 mac_stat;
8436                         int phy_event;
8437
8438                         mac_stat = tr32(MAC_STATUS);
8439
8440                         phy_event = 0;
8441                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8442                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8443                                         phy_event = 1;
8444                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8445                                 phy_event = 1;
8446
8447                         if (phy_event)
8448                                 tg3_setup_phy(tp, 0);
8449                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8450                         u32 mac_stat = tr32(MAC_STATUS);
8451                         int need_setup = 0;
8452
8453                         if (netif_carrier_ok(tp->dev) &&
8454                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8455                                 need_setup = 1;
8456                         }
8457                         if (! netif_carrier_ok(tp->dev) &&
8458                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
8459                                          MAC_STATUS_SIGNAL_DET))) {
8460                                 need_setup = 1;
8461                         }
8462                         if (need_setup) {
8463                                 if (!tp->serdes_counter) {
8464                                         tw32_f(MAC_MODE,
8465                                              (tp->mac_mode &
8466                                               ~MAC_MODE_PORT_MODE_MASK));
8467                                         udelay(40);
8468                                         tw32_f(MAC_MODE, tp->mac_mode);
8469                                         udelay(40);
8470                                 }
8471                                 tg3_setup_phy(tp, 0);
8472                         }
8473                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8474                         tg3_serdes_parallel_detect(tp);
8475
8476                 tp->timer_counter = tp->timer_multiplier;
8477         }
8478
8479         /* Heartbeat is only sent once every 2 seconds.
8480          *
8481          * The heartbeat is to tell the ASF firmware that the host
8482          * driver is still alive.  In the event that the OS crashes,
8483          * ASF needs to reset the hardware to free up the FIFO space
8484          * that may be filled with rx packets destined for the host.
8485          * If the FIFO is full, ASF will no longer function properly.
8486          *
8487          * Unintended resets have been reported on real time kernels
8488          * where the timer doesn't run on time.  Netpoll will also have
8489          * same problem.
8490          *
8491          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8492          * to check the ring condition when the heartbeat is expiring
8493          * before doing the reset.  This will prevent most unintended
8494          * resets.
8495          */
8496         if (!--tp->asf_counter) {
8497                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8498                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8499                         tg3_wait_for_event_ack(tp);
8500
8501                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8502                                       FWCMD_NICDRV_ALIVE3);
8503                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8504                         /* 5 seconds timeout */
8505                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
8506
8507                         tg3_generate_fw_event(tp);
8508                 }
8509                 tp->asf_counter = tp->asf_multiplier;
8510         }
8511
8512         spin_unlock(&tp->lock);
8513
8514 restart_timer:
8515         tp->timer.expires = jiffies + tp->timer_offset;
8516         add_timer(&tp->timer);
8517 }
8518
8519 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8520 {
8521         irq_handler_t fn;
8522         unsigned long flags;
8523         char *name;
8524         struct tg3_napi *tnapi = &tp->napi[irq_num];
8525
8526         if (tp->irq_cnt == 1)
8527                 name = tp->dev->name;
8528         else {
8529                 name = &tnapi->irq_lbl[0];
8530                 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8531                 name[IFNAMSIZ-1] = 0;
8532         }
8533
8534         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8535                 fn = tg3_msi;
8536                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8537                         fn = tg3_msi_1shot;
8538                 flags = IRQF_SAMPLE_RANDOM;
8539         } else {
8540                 fn = tg3_interrupt;
8541                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8542                         fn = tg3_interrupt_tagged;
8543                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8544         }
8545
8546         return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8547 }
8548
8549 static int tg3_test_interrupt(struct tg3 *tp)
8550 {
8551         struct tg3_napi *tnapi = &tp->napi[0];
8552         struct net_device *dev = tp->dev;
8553         int err, i, intr_ok = 0;
8554         u32 val;
8555
8556         if (!netif_running(dev))
8557                 return -ENODEV;
8558
8559         tg3_disable_ints(tp);
8560
8561         free_irq(tnapi->irq_vec, tnapi);
8562
8563         /*
8564          * Turn off MSI one shot mode.  Otherwise this test has no
8565          * observable way to know whether the interrupt was delivered.
8566          */
8567         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8568              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8569             (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8570                 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8571                 tw32(MSGINT_MODE, val);
8572         }
8573
8574         err = request_irq(tnapi->irq_vec, tg3_test_isr,
8575                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8576         if (err)
8577                 return err;
8578
8579         tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8580         tg3_enable_ints(tp);
8581
8582         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8583                tnapi->coal_now);
8584
8585         for (i = 0; i < 5; i++) {
8586                 u32 int_mbox, misc_host_ctrl;
8587
8588                 int_mbox = tr32_mailbox(tnapi->int_mbox);
8589                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8590
8591                 if ((int_mbox != 0) ||
8592                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8593                         intr_ok = 1;
8594                         break;
8595                 }
8596
8597                 msleep(10);
8598         }
8599
8600         tg3_disable_ints(tp);
8601
8602         free_irq(tnapi->irq_vec, tnapi);
8603
8604         err = tg3_request_irq(tp, 0);
8605
8606         if (err)
8607                 return err;
8608
8609         if (intr_ok) {
8610                 /* Reenable MSI one shot mode. */
8611                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8612                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8613                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8614                         val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8615                         tw32(MSGINT_MODE, val);
8616                 }
8617                 return 0;
8618         }
8619
8620         return -EIO;
8621 }
8622
8623 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8624  * successfully restored
8625  */
8626 static int tg3_test_msi(struct tg3 *tp)
8627 {
8628         int err;
8629         u16 pci_cmd;
8630
8631         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8632                 return 0;
8633
8634         /* Turn off SERR reporting in case MSI terminates with Master
8635          * Abort.
8636          */
8637         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8638         pci_write_config_word(tp->pdev, PCI_COMMAND,
8639                               pci_cmd & ~PCI_COMMAND_SERR);
8640
8641         err = tg3_test_interrupt(tp);
8642
8643         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8644
8645         if (!err)
8646                 return 0;
8647
8648         /* other failures */
8649         if (err != -EIO)
8650                 return err;
8651
8652         /* MSI test failed, go back to INTx mode */
8653         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
8654                "switching to INTx mode. Please report this failure to "
8655                "the PCI maintainer and include system chipset information.\n",
8656                        tp->dev->name);
8657
8658         free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8659
8660         pci_disable_msi(tp->pdev);
8661
8662         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8663
8664         err = tg3_request_irq(tp, 0);
8665         if (err)
8666                 return err;
8667
8668         /* Need to reset the chip because the MSI cycle may have terminated
8669          * with Master Abort.
8670          */
8671         tg3_full_lock(tp, 1);
8672
8673         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8674         err = tg3_init_hw(tp, 1);
8675
8676         tg3_full_unlock(tp);
8677
8678         if (err)
8679                 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8680
8681         return err;
8682 }
8683
8684 static int tg3_request_firmware(struct tg3 *tp)
8685 {
8686         const __be32 *fw_data;
8687
8688         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8689                 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
8690                        tp->dev->name, tp->fw_needed);
8691                 return -ENOENT;
8692         }
8693
8694         fw_data = (void *)tp->fw->data;
8695
8696         /* Firmware blob starts with version numbers, followed by
8697          * start address and _full_ length including BSS sections
8698          * (which must be longer than the actual data, of course
8699          */
8700
8701         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
8702         if (tp->fw_len < (tp->fw->size - 12)) {
8703                 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
8704                        tp->dev->name, tp->fw_len, tp->fw_needed);
8705                 release_firmware(tp->fw);
8706                 tp->fw = NULL;
8707                 return -EINVAL;
8708         }
8709
8710         /* We no longer need firmware; we have it. */
8711         tp->fw_needed = NULL;
8712         return 0;
8713 }
8714
8715 static bool tg3_enable_msix(struct tg3 *tp)
8716 {
8717         int i, rc, cpus = num_online_cpus();
8718         struct msix_entry msix_ent[tp->irq_max];
8719
8720         if (cpus == 1)
8721                 /* Just fallback to the simpler MSI mode. */
8722                 return false;
8723
8724         /*
8725          * We want as many rx rings enabled as there are cpus.
8726          * The first MSIX vector only deals with link interrupts, etc,
8727          * so we add one to the number of vectors we are requesting.
8728          */
8729         tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8730
8731         for (i = 0; i < tp->irq_max; i++) {
8732                 msix_ent[i].entry  = i;
8733                 msix_ent[i].vector = 0;
8734         }
8735
8736         rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8737         if (rc != 0) {
8738                 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8739                         return false;
8740                 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8741                         return false;
8742                 printk(KERN_NOTICE
8743                        "%s: Requested %d MSI-X vectors, received %d\n",
8744                        tp->dev->name, tp->irq_cnt, rc);
8745                 tp->irq_cnt = rc;
8746         }
8747
8748         tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8749
8750         for (i = 0; i < tp->irq_max; i++)
8751                 tp->napi[i].irq_vec = msix_ent[i].vector;
8752
8753         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8754                 tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
8755                 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8756         } else
8757                 tp->dev->real_num_tx_queues = 1;
8758
8759         return true;
8760 }
8761
8762 static void tg3_ints_init(struct tg3 *tp)
8763 {
8764         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8765             !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8766                 /* All MSI supporting chips should support tagged
8767                  * status.  Assert that this is the case.
8768                  */
8769                 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
8770                        "Not using MSI.\n", tp->dev->name);
8771                 goto defcfg;
8772         }
8773
8774         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8775                 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8776         else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8777                  pci_enable_msi(tp->pdev) == 0)
8778                 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8779
8780         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8781                 u32 msi_mode = tr32(MSGINT_MODE);
8782                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8783                         msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8784                 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8785         }
8786 defcfg:
8787         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8788                 tp->irq_cnt = 1;
8789                 tp->napi[0].irq_vec = tp->pdev->irq;
8790                 tp->dev->real_num_tx_queues = 1;
8791         }
8792 }
8793
8794 static void tg3_ints_fini(struct tg3 *tp)
8795 {
8796         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8797                 pci_disable_msix(tp->pdev);
8798         else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8799                 pci_disable_msi(tp->pdev);
8800         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8801         tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
8802 }
8803
8804 static int tg3_open(struct net_device *dev)
8805 {
8806         struct tg3 *tp = netdev_priv(dev);
8807         int i, err;
8808
8809         if (tp->fw_needed) {
8810                 err = tg3_request_firmware(tp);
8811                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8812                         if (err)
8813                                 return err;
8814                 } else if (err) {
8815                         printk(KERN_WARNING "%s: TSO capability disabled.\n",
8816                                tp->dev->name);
8817                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8818                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8819                         printk(KERN_NOTICE "%s: TSO capability restored.\n",
8820                                tp->dev->name);
8821                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8822                 }
8823         }
8824
8825         netif_carrier_off(tp->dev);
8826
8827         err = tg3_set_power_state(tp, PCI_D0);
8828         if (err)
8829                 return err;
8830
8831         tg3_full_lock(tp, 0);
8832
8833         tg3_disable_ints(tp);
8834         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8835
8836         tg3_full_unlock(tp);
8837
8838         /*
8839          * Setup interrupts first so we know how
8840          * many NAPI resources to allocate
8841          */
8842         tg3_ints_init(tp);
8843
8844         /* The placement of this call is tied
8845          * to the setup and use of Host TX descriptors.
8846          */
8847         err = tg3_alloc_consistent(tp);
8848         if (err)
8849                 goto err_out1;
8850
8851         tg3_napi_enable(tp);
8852
8853         for (i = 0; i < tp->irq_cnt; i++) {
8854                 struct tg3_napi *tnapi = &tp->napi[i];
8855                 err = tg3_request_irq(tp, i);
8856                 if (err) {
8857                         for (i--; i >= 0; i--)
8858                                 free_irq(tnapi->irq_vec, tnapi);
8859                         break;
8860                 }
8861         }
8862
8863         if (err)
8864                 goto err_out2;
8865
8866         tg3_full_lock(tp, 0);
8867
8868         err = tg3_init_hw(tp, 1);
8869         if (err) {
8870                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8871                 tg3_free_rings(tp);
8872         } else {
8873                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8874                         tp->timer_offset = HZ;
8875                 else
8876                         tp->timer_offset = HZ / 10;
8877
8878                 BUG_ON(tp->timer_offset > HZ);
8879                 tp->timer_counter = tp->timer_multiplier =
8880                         (HZ / tp->timer_offset);
8881                 tp->asf_counter = tp->asf_multiplier =
8882                         ((HZ / tp->timer_offset) * 2);
8883
8884                 init_timer(&tp->timer);
8885                 tp->timer.expires = jiffies + tp->timer_offset;
8886                 tp->timer.data = (unsigned long) tp;
8887                 tp->timer.function = tg3_timer;
8888         }
8889
8890         tg3_full_unlock(tp);
8891
8892         if (err)
8893                 goto err_out3;
8894
8895         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8896                 err = tg3_test_msi(tp);
8897
8898                 if (err) {
8899                         tg3_full_lock(tp, 0);
8900                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8901                         tg3_free_rings(tp);
8902                         tg3_full_unlock(tp);
8903
8904                         goto err_out2;
8905                 }
8906
8907                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8908                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 &&
8909                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8910                     (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8911                         u32 val = tr32(PCIE_TRANSACTION_CFG);
8912
8913                         tw32(PCIE_TRANSACTION_CFG,
8914                              val | PCIE_TRANS_CFG_1SHOT_MSI);
8915                 }
8916         }
8917
8918         tg3_phy_start(tp);
8919
8920         tg3_full_lock(tp, 0);
8921
8922         add_timer(&tp->timer);
8923         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8924         tg3_enable_ints(tp);
8925
8926         tg3_full_unlock(tp);
8927
8928         netif_tx_start_all_queues(dev);
8929
8930         return 0;
8931
8932 err_out3:
8933         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8934                 struct tg3_napi *tnapi = &tp->napi[i];
8935                 free_irq(tnapi->irq_vec, tnapi);
8936         }
8937
8938 err_out2:
8939         tg3_napi_disable(tp);
8940         tg3_free_consistent(tp);
8941
8942 err_out1:
8943         tg3_ints_fini(tp);
8944         return err;
8945 }
8946
8947 #if 0
8948 /*static*/ void tg3_dump_state(struct tg3 *tp)
8949 {
8950         u32 val32, val32_2, val32_3, val32_4, val32_5;
8951         u16 val16;
8952         int i;
8953         struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
8954
8955         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8956         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8957         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8958                val16, val32);
8959
8960         /* MAC block */
8961         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8962                tr32(MAC_MODE), tr32(MAC_STATUS));
8963         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8964                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8965         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8966                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8967         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8968                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8969
8970         /* Send data initiator control block */
8971         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8972                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8973         printk("       SNDDATAI_STATSCTRL[%08x]\n",
8974                tr32(SNDDATAI_STATSCTRL));
8975
8976         /* Send data completion control block */
8977         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8978
8979         /* Send BD ring selector block */
8980         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8981                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8982
8983         /* Send BD initiator control block */
8984         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8985                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8986
8987         /* Send BD completion control block */
8988         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8989
8990         /* Receive list placement control block */
8991         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8992                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8993         printk("       RCVLPC_STATSCTRL[%08x]\n",
8994                tr32(RCVLPC_STATSCTRL));
8995
8996         /* Receive data and receive BD initiator control block */
8997         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8998                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8999
9000         /* Receive data completion control block */
9001         printk("DEBUG: RCVDCC_MODE[%08x]\n",
9002                tr32(RCVDCC_MODE));
9003
9004         /* Receive BD initiator control block */
9005         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
9006                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
9007
9008         /* Receive BD completion control block */
9009         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
9010                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
9011
9012         /* Receive list selector control block */
9013         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
9014                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
9015
9016         /* Mbuf cluster free block */
9017         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
9018                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
9019
9020         /* Host coalescing control block */
9021         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
9022                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
9023         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
9024                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
9025                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
9026         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
9027                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
9028                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
9029         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
9030                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
9031         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
9032                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
9033
9034         /* Memory arbiter control block */
9035         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
9036                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
9037
9038         /* Buffer manager control block */
9039         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
9040                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
9041         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
9042                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
9043         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
9044                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
9045                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
9046                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
9047
9048         /* Read DMA control block */
9049         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
9050                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
9051
9052         /* Write DMA control block */
9053         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
9054                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
9055
9056         /* DMA completion block */
9057         printk("DEBUG: DMAC_MODE[%08x]\n",
9058                tr32(DMAC_MODE));
9059
9060         /* GRC block */
9061         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
9062                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
9063         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
9064                tr32(GRC_LOCAL_CTRL));
9065
9066         /* TG3_BDINFOs */
9067         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
9068                tr32(RCVDBDI_JUMBO_BD + 0x0),
9069                tr32(RCVDBDI_JUMBO_BD + 0x4),
9070                tr32(RCVDBDI_JUMBO_BD + 0x8),
9071                tr32(RCVDBDI_JUMBO_BD + 0xc));
9072         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
9073                tr32(RCVDBDI_STD_BD + 0x0),
9074                tr32(RCVDBDI_STD_BD + 0x4),
9075                tr32(RCVDBDI_STD_BD + 0x8),
9076                tr32(RCVDBDI_STD_BD + 0xc));
9077         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
9078                tr32(RCVDBDI_MINI_BD + 0x0),
9079                tr32(RCVDBDI_MINI_BD + 0x4),
9080                tr32(RCVDBDI_MINI_BD + 0x8),
9081                tr32(RCVDBDI_MINI_BD + 0xc));
9082
9083         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
9084         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
9085         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
9086         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
9087         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
9088                val32, val32_2, val32_3, val32_4);
9089
9090         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
9091         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
9092         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
9093         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
9094         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
9095                val32, val32_2, val32_3, val32_4);
9096
9097         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
9098         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
9099         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
9100         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
9101         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
9102         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
9103                val32, val32_2, val32_3, val32_4, val32_5);
9104
9105         /* SW status block */
9106         printk(KERN_DEBUG
9107          "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
9108                sblk->status,
9109                sblk->status_tag,
9110                sblk->rx_jumbo_consumer,
9111                sblk->rx_consumer,
9112                sblk->rx_mini_consumer,
9113                sblk->idx[0].rx_producer,
9114                sblk->idx[0].tx_consumer);
9115
9116         /* SW statistics block */
9117         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
9118                ((u32 *)tp->hw_stats)[0],
9119                ((u32 *)tp->hw_stats)[1],
9120                ((u32 *)tp->hw_stats)[2],
9121                ((u32 *)tp->hw_stats)[3]);
9122
9123         /* Mailboxes */
9124         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
9125                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
9126                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
9127                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
9128                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
9129
9130         /* NIC side send descriptors. */
9131         for (i = 0; i < 6; i++) {
9132                 unsigned long txd;
9133
9134                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
9135                         + (i * sizeof(struct tg3_tx_buffer_desc));
9136                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
9137                        i,
9138                        readl(txd + 0x0), readl(txd + 0x4),
9139                        readl(txd + 0x8), readl(txd + 0xc));
9140         }
9141
9142         /* NIC side RX descriptors. */
9143         for (i = 0; i < 6; i++) {
9144                 unsigned long rxd;
9145
9146                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
9147                         + (i * sizeof(struct tg3_rx_buffer_desc));
9148                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
9149                        i,
9150                        readl(rxd + 0x0), readl(rxd + 0x4),
9151                        readl(rxd + 0x8), readl(rxd + 0xc));
9152                 rxd += (4 * sizeof(u32));
9153                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
9154                        i,
9155                        readl(rxd + 0x0), readl(rxd + 0x4),
9156                        readl(rxd + 0x8), readl(rxd + 0xc));
9157         }
9158
9159         for (i = 0; i < 6; i++) {
9160                 unsigned long rxd;
9161
9162                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
9163                         + (i * sizeof(struct tg3_rx_buffer_desc));
9164                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
9165                        i,
9166                        readl(rxd + 0x0), readl(rxd + 0x4),
9167                        readl(rxd + 0x8), readl(rxd + 0xc));
9168                 rxd += (4 * sizeof(u32));
9169                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
9170                        i,
9171                        readl(rxd + 0x0), readl(rxd + 0x4),
9172                        readl(rxd + 0x8), readl(rxd + 0xc));
9173         }
9174 }
9175 #endif
9176
9177 static struct net_device_stats *tg3_get_stats(struct net_device *);
9178 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9179
9180 static int tg3_close(struct net_device *dev)
9181 {
9182         int i;
9183         struct tg3 *tp = netdev_priv(dev);
9184
9185         tg3_napi_disable(tp);
9186         cancel_work_sync(&tp->reset_task);
9187
9188         netif_tx_stop_all_queues(dev);
9189
9190         del_timer_sync(&tp->timer);
9191
9192         tg3_phy_stop(tp);
9193
9194         tg3_full_lock(tp, 1);
9195 #if 0
9196         tg3_dump_state(tp);
9197 #endif
9198
9199         tg3_disable_ints(tp);
9200
9201         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9202         tg3_free_rings(tp);
9203         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9204
9205         tg3_full_unlock(tp);
9206
9207         for (i = tp->irq_cnt - 1; i >= 0; i--) {
9208                 struct tg3_napi *tnapi = &tp->napi[i];
9209                 free_irq(tnapi->irq_vec, tnapi);
9210         }
9211
9212         tg3_ints_fini(tp);
9213
9214         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
9215                sizeof(tp->net_stats_prev));
9216         memcpy(&tp->estats_prev, tg3_get_estats(tp),
9217                sizeof(tp->estats_prev));
9218
9219         tg3_free_consistent(tp);
9220
9221         tg3_set_power_state(tp, PCI_D3hot);
9222
9223         netif_carrier_off(tp->dev);
9224
9225         return 0;
9226 }
9227
9228 static inline unsigned long get_stat64(tg3_stat64_t *val)
9229 {
9230         unsigned long ret;
9231
9232 #if (BITS_PER_LONG == 32)
9233         ret = val->low;
9234 #else
9235         ret = ((u64)val->high << 32) | ((u64)val->low);
9236 #endif
9237         return ret;
9238 }
9239
9240 static inline u64 get_estat64(tg3_stat64_t *val)
9241 {
9242        return ((u64)val->high << 32) | ((u64)val->low);
9243 }
9244
9245 static unsigned long calc_crc_errors(struct tg3 *tp)
9246 {
9247         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9248
9249         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9250             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9251              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9252                 u32 val;
9253
9254                 spin_lock_bh(&tp->lock);
9255                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9256                         tg3_writephy(tp, MII_TG3_TEST1,
9257                                      val | MII_TG3_TEST1_CRC_EN);
9258                         tg3_readphy(tp, 0x14, &val);
9259                 } else
9260                         val = 0;
9261                 spin_unlock_bh(&tp->lock);
9262
9263                 tp->phy_crc_errors += val;
9264
9265                 return tp->phy_crc_errors;
9266         }
9267
9268         return get_stat64(&hw_stats->rx_fcs_errors);
9269 }
9270
9271 #define ESTAT_ADD(member) \
9272         estats->member =        old_estats->member + \
9273                                 get_estat64(&hw_stats->member)
9274
9275 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9276 {
9277         struct tg3_ethtool_stats *estats = &tp->estats;
9278         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9279         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9280
9281         if (!hw_stats)
9282                 return old_estats;
9283
9284         ESTAT_ADD(rx_octets);
9285         ESTAT_ADD(rx_fragments);
9286         ESTAT_ADD(rx_ucast_packets);
9287         ESTAT_ADD(rx_mcast_packets);
9288         ESTAT_ADD(rx_bcast_packets);
9289         ESTAT_ADD(rx_fcs_errors);
9290         ESTAT_ADD(rx_align_errors);
9291         ESTAT_ADD(rx_xon_pause_rcvd);
9292         ESTAT_ADD(rx_xoff_pause_rcvd);
9293         ESTAT_ADD(rx_mac_ctrl_rcvd);
9294         ESTAT_ADD(rx_xoff_entered);
9295         ESTAT_ADD(rx_frame_too_long_errors);
9296         ESTAT_ADD(rx_jabbers);
9297         ESTAT_ADD(rx_undersize_packets);
9298         ESTAT_ADD(rx_in_length_errors);
9299         ESTAT_ADD(rx_out_length_errors);
9300         ESTAT_ADD(rx_64_or_less_octet_packets);
9301         ESTAT_ADD(rx_65_to_127_octet_packets);
9302         ESTAT_ADD(rx_128_to_255_octet_packets);
9303         ESTAT_ADD(rx_256_to_511_octet_packets);
9304         ESTAT_ADD(rx_512_to_1023_octet_packets);
9305         ESTAT_ADD(rx_1024_to_1522_octet_packets);
9306         ESTAT_ADD(rx_1523_to_2047_octet_packets);
9307         ESTAT_ADD(rx_2048_to_4095_octet_packets);
9308         ESTAT_ADD(rx_4096_to_8191_octet_packets);
9309         ESTAT_ADD(rx_8192_to_9022_octet_packets);
9310
9311         ESTAT_ADD(tx_octets);
9312         ESTAT_ADD(tx_collisions);
9313         ESTAT_ADD(tx_xon_sent);
9314         ESTAT_ADD(tx_xoff_sent);
9315         ESTAT_ADD(tx_flow_control);
9316         ESTAT_ADD(tx_mac_errors);
9317         ESTAT_ADD(tx_single_collisions);
9318         ESTAT_ADD(tx_mult_collisions);
9319         ESTAT_ADD(tx_deferred);
9320         ESTAT_ADD(tx_excessive_collisions);
9321         ESTAT_ADD(tx_late_collisions);
9322         ESTAT_ADD(tx_collide_2times);
9323         ESTAT_ADD(tx_collide_3times);
9324         ESTAT_ADD(tx_collide_4times);
9325         ESTAT_ADD(tx_collide_5times);
9326         ESTAT_ADD(tx_collide_6times);
9327         ESTAT_ADD(tx_collide_7times);
9328         ESTAT_ADD(tx_collide_8times);
9329         ESTAT_ADD(tx_collide_9times);
9330         ESTAT_ADD(tx_collide_10times);
9331         ESTAT_ADD(tx_collide_11times);
9332         ESTAT_ADD(tx_collide_12times);
9333         ESTAT_ADD(tx_collide_13times);
9334         ESTAT_ADD(tx_collide_14times);
9335         ESTAT_ADD(tx_collide_15times);
9336         ESTAT_ADD(tx_ucast_packets);
9337         ESTAT_ADD(tx_mcast_packets);
9338         ESTAT_ADD(tx_bcast_packets);
9339         ESTAT_ADD(tx_carrier_sense_errors);
9340         ESTAT_ADD(tx_discards);
9341         ESTAT_ADD(tx_errors);
9342
9343         ESTAT_ADD(dma_writeq_full);
9344         ESTAT_ADD(dma_write_prioq_full);
9345         ESTAT_ADD(rxbds_empty);
9346         ESTAT_ADD(rx_discards);
9347         ESTAT_ADD(rx_errors);
9348         ESTAT_ADD(rx_threshold_hit);
9349
9350         ESTAT_ADD(dma_readq_full);
9351         ESTAT_ADD(dma_read_prioq_full);
9352         ESTAT_ADD(tx_comp_queue_full);
9353
9354         ESTAT_ADD(ring_set_send_prod_index);
9355         ESTAT_ADD(ring_status_update);
9356         ESTAT_ADD(nic_irqs);
9357         ESTAT_ADD(nic_avoided_irqs);
9358         ESTAT_ADD(nic_tx_threshold_hit);
9359
9360         return estats;
9361 }
9362
9363 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
9364 {
9365         struct tg3 *tp = netdev_priv(dev);
9366         struct net_device_stats *stats = &tp->net_stats;
9367         struct net_device_stats *old_stats = &tp->net_stats_prev;
9368         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9369
9370         if (!hw_stats)
9371                 return old_stats;
9372
9373         stats->rx_packets = old_stats->rx_packets +
9374                 get_stat64(&hw_stats->rx_ucast_packets) +
9375                 get_stat64(&hw_stats->rx_mcast_packets) +
9376                 get_stat64(&hw_stats->rx_bcast_packets);
9377
9378         stats->tx_packets = old_stats->tx_packets +
9379                 get_stat64(&hw_stats->tx_ucast_packets) +
9380                 get_stat64(&hw_stats->tx_mcast_packets) +
9381                 get_stat64(&hw_stats->tx_bcast_packets);
9382
9383         stats->rx_bytes = old_stats->rx_bytes +
9384                 get_stat64(&hw_stats->rx_octets);
9385         stats->tx_bytes = old_stats->tx_bytes +
9386                 get_stat64(&hw_stats->tx_octets);
9387
9388         stats->rx_errors = old_stats->rx_errors +
9389                 get_stat64(&hw_stats->rx_errors);
9390         stats->tx_errors = old_stats->tx_errors +
9391                 get_stat64(&hw_stats->tx_errors) +
9392                 get_stat64(&hw_stats->tx_mac_errors) +
9393                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9394                 get_stat64(&hw_stats->tx_discards);
9395
9396         stats->multicast = old_stats->multicast +
9397                 get_stat64(&hw_stats->rx_mcast_packets);
9398         stats->collisions = old_stats->collisions +
9399                 get_stat64(&hw_stats->tx_collisions);
9400
9401         stats->rx_length_errors = old_stats->rx_length_errors +
9402                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9403                 get_stat64(&hw_stats->rx_undersize_packets);
9404
9405         stats->rx_over_errors = old_stats->rx_over_errors +
9406                 get_stat64(&hw_stats->rxbds_empty);
9407         stats->rx_frame_errors = old_stats->rx_frame_errors +
9408                 get_stat64(&hw_stats->rx_align_errors);
9409         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9410                 get_stat64(&hw_stats->tx_discards);
9411         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9412                 get_stat64(&hw_stats->tx_carrier_sense_errors);
9413
9414         stats->rx_crc_errors = old_stats->rx_crc_errors +
9415                 calc_crc_errors(tp);
9416
9417         stats->rx_missed_errors = old_stats->rx_missed_errors +
9418                 get_stat64(&hw_stats->rx_discards);
9419
9420         return stats;
9421 }
9422
9423 static inline u32 calc_crc(unsigned char *buf, int len)
9424 {
9425         u32 reg;
9426         u32 tmp;
9427         int j, k;
9428
9429         reg = 0xffffffff;
9430
9431         for (j = 0; j < len; j++) {
9432                 reg ^= buf[j];
9433
9434                 for (k = 0; k < 8; k++) {
9435                         tmp = reg & 0x01;
9436
9437                         reg >>= 1;
9438
9439                         if (tmp) {
9440                                 reg ^= 0xedb88320;
9441                         }
9442                 }
9443         }
9444
9445         return ~reg;
9446 }
9447
9448 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9449 {
9450         /* accept or reject all multicast frames */
9451         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9452         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9453         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9454         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9455 }
9456
9457 static void __tg3_set_rx_mode(struct net_device *dev)
9458 {
9459         struct tg3 *tp = netdev_priv(dev);
9460         u32 rx_mode;
9461
9462         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9463                                   RX_MODE_KEEP_VLAN_TAG);
9464
9465         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9466          * flag clear.
9467          */
9468 #if TG3_VLAN_TAG_USED
9469         if (!tp->vlgrp &&
9470             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9471                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9472 #else
9473         /* By definition, VLAN is disabled always in this
9474          * case.
9475          */
9476         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9477                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9478 #endif
9479
9480         if (dev->flags & IFF_PROMISC) {
9481                 /* Promiscuous mode. */
9482                 rx_mode |= RX_MODE_PROMISC;
9483         } else if (dev->flags & IFF_ALLMULTI) {
9484                 /* Accept all multicast. */
9485                 tg3_set_multi (tp, 1);
9486         } else if (netdev_mc_empty(dev)) {
9487                 /* Reject all multicast. */
9488                 tg3_set_multi (tp, 0);
9489         } else {
9490                 /* Accept one or more multicast(s). */
9491                 struct dev_mc_list *mclist;
9492                 unsigned int i;
9493                 u32 mc_filter[4] = { 0, };
9494                 u32 regidx;
9495                 u32 bit;
9496                 u32 crc;
9497
9498                 for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
9499                      i++, mclist = mclist->next) {
9500
9501                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9502                         bit = ~crc & 0x7f;
9503                         regidx = (bit & 0x60) >> 5;
9504                         bit &= 0x1f;
9505                         mc_filter[regidx] |= (1 << bit);
9506                 }
9507
9508                 tw32(MAC_HASH_REG_0, mc_filter[0]);
9509                 tw32(MAC_HASH_REG_1, mc_filter[1]);
9510                 tw32(MAC_HASH_REG_2, mc_filter[2]);
9511                 tw32(MAC_HASH_REG_3, mc_filter[3]);
9512         }
9513
9514         if (rx_mode != tp->rx_mode) {
9515                 tp->rx_mode = rx_mode;
9516                 tw32_f(MAC_RX_MODE, rx_mode);
9517                 udelay(10);
9518         }
9519 }
9520
9521 static void tg3_set_rx_mode(struct net_device *dev)
9522 {
9523         struct tg3 *tp = netdev_priv(dev);
9524
9525         if (!netif_running(dev))
9526                 return;
9527
9528         tg3_full_lock(tp, 0);
9529         __tg3_set_rx_mode(dev);
9530         tg3_full_unlock(tp);
9531 }
9532
9533 #define TG3_REGDUMP_LEN         (32 * 1024)
9534
9535 static int tg3_get_regs_len(struct net_device *dev)
9536 {
9537         return TG3_REGDUMP_LEN;
9538 }
9539
9540 static void tg3_get_regs(struct net_device *dev,
9541                 struct ethtool_regs *regs, void *_p)
9542 {
9543         u32 *p = _p;
9544         struct tg3 *tp = netdev_priv(dev);
9545         u8 *orig_p = _p;
9546         int i;
9547
9548         regs->version = 0;
9549
9550         memset(p, 0, TG3_REGDUMP_LEN);
9551
9552         if (tp->link_config.phy_is_low_power)
9553                 return;
9554
9555         tg3_full_lock(tp, 0);
9556
9557 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
9558 #define GET_REG32_LOOP(base,len)                \
9559 do {    p = (u32 *)(orig_p + (base));           \
9560         for (i = 0; i < len; i += 4)            \
9561                 __GET_REG32((base) + i);        \
9562 } while (0)
9563 #define GET_REG32_1(reg)                        \
9564 do {    p = (u32 *)(orig_p + (reg));            \
9565         __GET_REG32((reg));                     \
9566 } while (0)
9567
9568         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9569         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9570         GET_REG32_LOOP(MAC_MODE, 0x4f0);
9571         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9572         GET_REG32_1(SNDDATAC_MODE);
9573         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9574         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9575         GET_REG32_1(SNDBDC_MODE);
9576         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9577         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9578         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9579         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9580         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9581         GET_REG32_1(RCVDCC_MODE);
9582         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9583         GET_REG32_LOOP(RCVCC_MODE, 0x14);
9584         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9585         GET_REG32_1(MBFREE_MODE);
9586         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9587         GET_REG32_LOOP(MEMARB_MODE, 0x10);
9588         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9589         GET_REG32_LOOP(RDMAC_MODE, 0x08);
9590         GET_REG32_LOOP(WDMAC_MODE, 0x08);
9591         GET_REG32_1(RX_CPU_MODE);
9592         GET_REG32_1(RX_CPU_STATE);
9593         GET_REG32_1(RX_CPU_PGMCTR);
9594         GET_REG32_1(RX_CPU_HWBKPT);
9595         GET_REG32_1(TX_CPU_MODE);
9596         GET_REG32_1(TX_CPU_STATE);
9597         GET_REG32_1(TX_CPU_PGMCTR);
9598         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9599         GET_REG32_LOOP(FTQ_RESET, 0x120);
9600         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9601         GET_REG32_1(DMAC_MODE);
9602         GET_REG32_LOOP(GRC_MODE, 0x4c);
9603         if (tp->tg3_flags & TG3_FLAG_NVRAM)
9604                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9605
9606 #undef __GET_REG32
9607 #undef GET_REG32_LOOP
9608 #undef GET_REG32_1
9609
9610         tg3_full_unlock(tp);
9611 }
9612
9613 static int tg3_get_eeprom_len(struct net_device *dev)
9614 {
9615         struct tg3 *tp = netdev_priv(dev);
9616
9617         return tp->nvram_size;
9618 }
9619
9620 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9621 {
9622         struct tg3 *tp = netdev_priv(dev);
9623         int ret;
9624         u8  *pd;
9625         u32 i, offset, len, b_offset, b_count;
9626         __be32 val;
9627
9628         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9629                 return -EINVAL;
9630
9631         if (tp->link_config.phy_is_low_power)
9632                 return -EAGAIN;
9633
9634         offset = eeprom->offset;
9635         len = eeprom->len;
9636         eeprom->len = 0;
9637
9638         eeprom->magic = TG3_EEPROM_MAGIC;
9639
9640         if (offset & 3) {
9641                 /* adjustments to start on required 4 byte boundary */
9642                 b_offset = offset & 3;
9643                 b_count = 4 - b_offset;
9644                 if (b_count > len) {
9645                         /* i.e. offset=1 len=2 */
9646                         b_count = len;
9647                 }
9648                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9649                 if (ret)
9650                         return ret;
9651                 memcpy(data, ((char*)&val) + b_offset, b_count);
9652                 len -= b_count;
9653                 offset += b_count;
9654                 eeprom->len += b_count;
9655         }
9656
9657         /* read bytes upto the last 4 byte boundary */
9658         pd = &data[eeprom->len];
9659         for (i = 0; i < (len - (len & 3)); i += 4) {
9660                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9661                 if (ret) {
9662                         eeprom->len += i;
9663                         return ret;
9664                 }
9665                 memcpy(pd + i, &val, 4);
9666         }
9667         eeprom->len += i;
9668
9669         if (len & 3) {
9670                 /* read last bytes not ending on 4 byte boundary */
9671                 pd = &data[eeprom->len];
9672                 b_count = len & 3;
9673                 b_offset = offset + len - b_count;
9674                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9675                 if (ret)
9676                         return ret;
9677                 memcpy(pd, &val, b_count);
9678                 eeprom->len += b_count;
9679         }
9680         return 0;
9681 }
9682
9683 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9684
9685 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9686 {
9687         struct tg3 *tp = netdev_priv(dev);
9688         int ret;
9689         u32 offset, len, b_offset, odd_len;
9690         u8 *buf;
9691         __be32 start, end;
9692
9693         if (tp->link_config.phy_is_low_power)
9694                 return -EAGAIN;
9695
9696         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9697             eeprom->magic != TG3_EEPROM_MAGIC)
9698                 return -EINVAL;
9699
9700         offset = eeprom->offset;
9701         len = eeprom->len;
9702
9703         if ((b_offset = (offset & 3))) {
9704                 /* adjustments to start on required 4 byte boundary */
9705                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9706                 if (ret)
9707                         return ret;
9708                 len += b_offset;
9709                 offset &= ~3;
9710                 if (len < 4)
9711                         len = 4;
9712         }
9713
9714         odd_len = 0;
9715         if (len & 3) {
9716                 /* adjustments to end on required 4 byte boundary */
9717                 odd_len = 1;
9718                 len = (len + 3) & ~3;
9719                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9720                 if (ret)
9721                         return ret;
9722         }
9723
9724         buf = data;
9725         if (b_offset || odd_len) {
9726                 buf = kmalloc(len, GFP_KERNEL);
9727                 if (!buf)
9728                         return -ENOMEM;
9729                 if (b_offset)
9730                         memcpy(buf, &start, 4);
9731                 if (odd_len)
9732                         memcpy(buf+len-4, &end, 4);
9733                 memcpy(buf + b_offset, data, eeprom->len);
9734         }
9735
9736         ret = tg3_nvram_write_block(tp, offset, len, buf);
9737
9738         if (buf != data)
9739                 kfree(buf);
9740
9741         return ret;
9742 }
9743
9744 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9745 {
9746         struct tg3 *tp = netdev_priv(dev);
9747
9748         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9749                 struct phy_device *phydev;
9750                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9751                         return -EAGAIN;
9752                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9753                 return phy_ethtool_gset(phydev, cmd);
9754         }
9755
9756         cmd->supported = (SUPPORTED_Autoneg);
9757
9758         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9759                 cmd->supported |= (SUPPORTED_1000baseT_Half |
9760                                    SUPPORTED_1000baseT_Full);
9761
9762         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
9763                 cmd->supported |= (SUPPORTED_100baseT_Half |
9764                                   SUPPORTED_100baseT_Full |
9765                                   SUPPORTED_10baseT_Half |
9766                                   SUPPORTED_10baseT_Full |
9767                                   SUPPORTED_TP);
9768                 cmd->port = PORT_TP;
9769         } else {
9770                 cmd->supported |= SUPPORTED_FIBRE;
9771                 cmd->port = PORT_FIBRE;
9772         }
9773
9774         cmd->advertising = tp->link_config.advertising;
9775         if (netif_running(dev)) {
9776                 cmd->speed = tp->link_config.active_speed;
9777                 cmd->duplex = tp->link_config.active_duplex;
9778         }
9779         cmd->phy_address = tp->phy_addr;
9780         cmd->transceiver = XCVR_INTERNAL;
9781         cmd->autoneg = tp->link_config.autoneg;
9782         cmd->maxtxpkt = 0;
9783         cmd->maxrxpkt = 0;
9784         return 0;
9785 }
9786
9787 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9788 {
9789         struct tg3 *tp = netdev_priv(dev);
9790
9791         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9792                 struct phy_device *phydev;
9793                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9794                         return -EAGAIN;
9795                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9796                 return phy_ethtool_sset(phydev, cmd);
9797         }
9798
9799         if (cmd->autoneg != AUTONEG_ENABLE &&
9800             cmd->autoneg != AUTONEG_DISABLE)
9801                 return -EINVAL;
9802
9803         if (cmd->autoneg == AUTONEG_DISABLE &&
9804             cmd->duplex != DUPLEX_FULL &&
9805             cmd->duplex != DUPLEX_HALF)
9806                 return -EINVAL;
9807
9808         if (cmd->autoneg == AUTONEG_ENABLE) {
9809                 u32 mask = ADVERTISED_Autoneg |
9810                            ADVERTISED_Pause |
9811                            ADVERTISED_Asym_Pause;
9812
9813                 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9814                         mask |= ADVERTISED_1000baseT_Half |
9815                                 ADVERTISED_1000baseT_Full;
9816
9817                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9818                         mask |= ADVERTISED_100baseT_Half |
9819                                 ADVERTISED_100baseT_Full |
9820                                 ADVERTISED_10baseT_Half |
9821                                 ADVERTISED_10baseT_Full |
9822                                 ADVERTISED_TP;
9823                 else
9824                         mask |= ADVERTISED_FIBRE;
9825
9826                 if (cmd->advertising & ~mask)
9827                         return -EINVAL;
9828
9829                 mask &= (ADVERTISED_1000baseT_Half |
9830                          ADVERTISED_1000baseT_Full |
9831                          ADVERTISED_100baseT_Half |
9832                          ADVERTISED_100baseT_Full |
9833                          ADVERTISED_10baseT_Half |
9834                          ADVERTISED_10baseT_Full);
9835
9836                 cmd->advertising &= mask;
9837         } else {
9838                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9839                         if (cmd->speed != SPEED_1000)
9840                                 return -EINVAL;
9841
9842                         if (cmd->duplex != DUPLEX_FULL)
9843                                 return -EINVAL;
9844                 } else {
9845                         if (cmd->speed != SPEED_100 &&
9846                             cmd->speed != SPEED_10)
9847                                 return -EINVAL;
9848                 }
9849         }
9850
9851         tg3_full_lock(tp, 0);
9852
9853         tp->link_config.autoneg = cmd->autoneg;
9854         if (cmd->autoneg == AUTONEG_ENABLE) {
9855                 tp->link_config.advertising = (cmd->advertising |
9856                                               ADVERTISED_Autoneg);
9857                 tp->link_config.speed = SPEED_INVALID;
9858                 tp->link_config.duplex = DUPLEX_INVALID;
9859         } else {
9860                 tp->link_config.advertising = 0;
9861                 tp->link_config.speed = cmd->speed;
9862                 tp->link_config.duplex = cmd->duplex;
9863         }
9864
9865         tp->link_config.orig_speed = tp->link_config.speed;
9866         tp->link_config.orig_duplex = tp->link_config.duplex;
9867         tp->link_config.orig_autoneg = tp->link_config.autoneg;
9868
9869         if (netif_running(dev))
9870                 tg3_setup_phy(tp, 1);
9871
9872         tg3_full_unlock(tp);
9873
9874         return 0;
9875 }
9876
9877 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9878 {
9879         struct tg3 *tp = netdev_priv(dev);
9880
9881         strcpy(info->driver, DRV_MODULE_NAME);
9882         strcpy(info->version, DRV_MODULE_VERSION);
9883         strcpy(info->fw_version, tp->fw_ver);
9884         strcpy(info->bus_info, pci_name(tp->pdev));
9885 }
9886
9887 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9888 {
9889         struct tg3 *tp = netdev_priv(dev);
9890
9891         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9892             device_can_wakeup(&tp->pdev->dev))
9893                 wol->supported = WAKE_MAGIC;
9894         else
9895                 wol->supported = 0;
9896         wol->wolopts = 0;
9897         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9898             device_can_wakeup(&tp->pdev->dev))
9899                 wol->wolopts = WAKE_MAGIC;
9900         memset(&wol->sopass, 0, sizeof(wol->sopass));
9901 }
9902
9903 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9904 {
9905         struct tg3 *tp = netdev_priv(dev);
9906         struct device *dp = &tp->pdev->dev;
9907
9908         if (wol->wolopts & ~WAKE_MAGIC)
9909                 return -EINVAL;
9910         if ((wol->wolopts & WAKE_MAGIC) &&
9911             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9912                 return -EINVAL;
9913
9914         spin_lock_bh(&tp->lock);
9915         if (wol->wolopts & WAKE_MAGIC) {
9916                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9917                 device_set_wakeup_enable(dp, true);
9918         } else {
9919                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9920                 device_set_wakeup_enable(dp, false);
9921         }
9922         spin_unlock_bh(&tp->lock);
9923
9924         return 0;
9925 }
9926
9927 static u32 tg3_get_msglevel(struct net_device *dev)
9928 {
9929         struct tg3 *tp = netdev_priv(dev);
9930         return tp->msg_enable;
9931 }
9932
9933 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9934 {
9935         struct tg3 *tp = netdev_priv(dev);
9936         tp->msg_enable = value;
9937 }
9938
9939 static int tg3_set_tso(struct net_device *dev, u32 value)
9940 {
9941         struct tg3 *tp = netdev_priv(dev);
9942
9943         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9944                 if (value)
9945                         return -EINVAL;
9946                 return 0;
9947         }
9948         if ((dev->features & NETIF_F_IPV6_CSUM) &&
9949             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9950              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9951                 if (value) {
9952                         dev->features |= NETIF_F_TSO6;
9953                         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9954                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9955                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9956                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9957                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9958                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9959                                 dev->features |= NETIF_F_TSO_ECN;
9960                 } else
9961                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9962         }
9963         return ethtool_op_set_tso(dev, value);
9964 }
9965
9966 static int tg3_nway_reset(struct net_device *dev)
9967 {
9968         struct tg3 *tp = netdev_priv(dev);
9969         int r;
9970
9971         if (!netif_running(dev))
9972                 return -EAGAIN;
9973
9974         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9975                 return -EINVAL;
9976
9977         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9978                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9979                         return -EAGAIN;
9980                 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9981         } else {
9982                 u32 bmcr;
9983
9984                 spin_lock_bh(&tp->lock);
9985                 r = -EINVAL;
9986                 tg3_readphy(tp, MII_BMCR, &bmcr);
9987                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9988                     ((bmcr & BMCR_ANENABLE) ||
9989                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9990                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9991                                                    BMCR_ANENABLE);
9992                         r = 0;
9993                 }
9994                 spin_unlock_bh(&tp->lock);
9995         }
9996
9997         return r;
9998 }
9999
10000 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10001 {
10002         struct tg3 *tp = netdev_priv(dev);
10003
10004         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
10005         ering->rx_mini_max_pending = 0;
10006         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10007                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
10008         else
10009                 ering->rx_jumbo_max_pending = 0;
10010
10011         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
10012
10013         ering->rx_pending = tp->rx_pending;
10014         ering->rx_mini_pending = 0;
10015         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10016                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
10017         else
10018                 ering->rx_jumbo_pending = 0;
10019
10020         ering->tx_pending = tp->napi[0].tx_pending;
10021 }
10022
10023 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10024 {
10025         struct tg3 *tp = netdev_priv(dev);
10026         int i, irq_sync = 0, err = 0;
10027
10028         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
10029             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
10030             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
10031             (ering->tx_pending <= MAX_SKB_FRAGS) ||
10032             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
10033              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
10034                 return -EINVAL;
10035
10036         if (netif_running(dev)) {
10037                 tg3_phy_stop(tp);
10038                 tg3_netif_stop(tp);
10039                 irq_sync = 1;
10040         }
10041
10042         tg3_full_lock(tp, irq_sync);
10043
10044         tp->rx_pending = ering->rx_pending;
10045
10046         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
10047             tp->rx_pending > 63)
10048                 tp->rx_pending = 63;
10049         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
10050
10051         for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
10052                 tp->napi[i].tx_pending = ering->tx_pending;
10053
10054         if (netif_running(dev)) {
10055                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10056                 err = tg3_restart_hw(tp, 1);
10057                 if (!err)
10058                         tg3_netif_start(tp);
10059         }
10060
10061         tg3_full_unlock(tp);
10062
10063         if (irq_sync && !err)
10064                 tg3_phy_start(tp);
10065
10066         return err;
10067 }
10068
10069 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10070 {
10071         struct tg3 *tp = netdev_priv(dev);
10072
10073         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
10074
10075         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
10076                 epause->rx_pause = 1;
10077         else
10078                 epause->rx_pause = 0;
10079
10080         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
10081                 epause->tx_pause = 1;
10082         else
10083                 epause->tx_pause = 0;
10084 }
10085
10086 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10087 {
10088         struct tg3 *tp = netdev_priv(dev);
10089         int err = 0;
10090
10091         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10092                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10093                         return -EAGAIN;
10094
10095                 if (epause->autoneg) {
10096                         u32 newadv;
10097                         struct phy_device *phydev;
10098
10099                         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10100
10101                         if (epause->rx_pause) {
10102                                 if (epause->tx_pause)
10103                                         newadv = ADVERTISED_Pause;
10104                                 else
10105                                         newadv = ADVERTISED_Pause |
10106                                                  ADVERTISED_Asym_Pause;
10107                         } else if (epause->tx_pause) {
10108                                 newadv = ADVERTISED_Asym_Pause;
10109                         } else
10110                                 newadv = 0;
10111
10112                         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
10113                                 u32 oldadv = phydev->advertising &
10114                                              (ADVERTISED_Pause |
10115                                               ADVERTISED_Asym_Pause);
10116                                 if (oldadv != newadv) {
10117                                         phydev->advertising &=
10118                                                 ~(ADVERTISED_Pause |
10119                                                   ADVERTISED_Asym_Pause);
10120                                         phydev->advertising |= newadv;
10121                                         err = phy_start_aneg(phydev);
10122                                 }
10123                         } else {
10124                                 tp->link_config.advertising &=
10125                                                 ~(ADVERTISED_Pause |
10126                                                   ADVERTISED_Asym_Pause);
10127                                 tp->link_config.advertising |= newadv;
10128                         }
10129                 } else {
10130                         if (epause->rx_pause)
10131                                 tp->link_config.flowctrl |= FLOW_CTRL_RX;
10132                         else
10133                                 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10134
10135                         if (epause->tx_pause)
10136                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10137                         else
10138                                 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10139
10140                         if (netif_running(dev))
10141                                 tg3_setup_flow_control(tp, 0, 0);
10142                 }
10143         } else {
10144                 int irq_sync = 0;
10145
10146                 if (netif_running(dev)) {
10147                         tg3_netif_stop(tp);
10148                         irq_sync = 1;
10149                 }
10150
10151                 tg3_full_lock(tp, irq_sync);
10152
10153                 if (epause->autoneg)
10154                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10155                 else
10156                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10157                 if (epause->rx_pause)
10158                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
10159                 else
10160                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10161                 if (epause->tx_pause)
10162                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
10163                 else
10164                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10165
10166                 if (netif_running(dev)) {
10167                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10168                         err = tg3_restart_hw(tp, 1);
10169                         if (!err)
10170                                 tg3_netif_start(tp);
10171                 }
10172
10173                 tg3_full_unlock(tp);
10174         }
10175
10176         return err;
10177 }
10178
10179 static u32 tg3_get_rx_csum(struct net_device *dev)
10180 {
10181         struct tg3 *tp = netdev_priv(dev);
10182         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10183 }
10184
10185 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10186 {
10187         struct tg3 *tp = netdev_priv(dev);
10188
10189         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10190                 if (data != 0)
10191                         return -EINVAL;
10192                 return 0;
10193         }
10194
10195         spin_lock_bh(&tp->lock);
10196         if (data)
10197                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10198         else
10199                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10200         spin_unlock_bh(&tp->lock);
10201
10202         return 0;
10203 }
10204
10205 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10206 {
10207         struct tg3 *tp = netdev_priv(dev);
10208
10209         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10210                 if (data != 0)
10211                         return -EINVAL;
10212                 return 0;
10213         }
10214
10215         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10216                 ethtool_op_set_tx_ipv6_csum(dev, data);
10217         else
10218                 ethtool_op_set_tx_csum(dev, data);
10219
10220         return 0;
10221 }
10222
10223 static int tg3_get_sset_count (struct net_device *dev, int sset)
10224 {
10225         switch (sset) {
10226         case ETH_SS_TEST:
10227                 return TG3_NUM_TEST;
10228         case ETH_SS_STATS:
10229                 return TG3_NUM_STATS;
10230         default:
10231                 return -EOPNOTSUPP;
10232         }
10233 }
10234
10235 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
10236 {
10237         switch (stringset) {
10238         case ETH_SS_STATS:
10239                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
10240                 break;
10241         case ETH_SS_TEST:
10242                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
10243                 break;
10244         default:
10245                 WARN_ON(1);     /* we need a WARN() */
10246                 break;
10247         }
10248 }
10249
10250 static int tg3_phys_id(struct net_device *dev, u32 data)
10251 {
10252         struct tg3 *tp = netdev_priv(dev);
10253         int i;
10254
10255         if (!netif_running(tp->dev))
10256                 return -EAGAIN;
10257
10258         if (data == 0)
10259                 data = UINT_MAX / 2;
10260
10261         for (i = 0; i < (data * 2); i++) {
10262                 if ((i % 2) == 0)
10263                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10264                                            LED_CTRL_1000MBPS_ON |
10265                                            LED_CTRL_100MBPS_ON |
10266                                            LED_CTRL_10MBPS_ON |
10267                                            LED_CTRL_TRAFFIC_OVERRIDE |
10268                                            LED_CTRL_TRAFFIC_BLINK |
10269                                            LED_CTRL_TRAFFIC_LED);
10270
10271                 else
10272                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10273                                            LED_CTRL_TRAFFIC_OVERRIDE);
10274
10275                 if (msleep_interruptible(500))
10276                         break;
10277         }
10278         tw32(MAC_LED_CTRL, tp->led_ctrl);
10279         return 0;
10280 }
10281
10282 static void tg3_get_ethtool_stats (struct net_device *dev,
10283                                    struct ethtool_stats *estats, u64 *tmp_stats)
10284 {
10285         struct tg3 *tp = netdev_priv(dev);
10286         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10287 }
10288
10289 #define NVRAM_TEST_SIZE 0x100
10290 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
10291 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
10292 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
10293 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10294 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10295
10296 static int tg3_test_nvram(struct tg3 *tp)
10297 {
10298         u32 csum, magic;
10299         __be32 *buf;
10300         int i, j, k, err = 0, size;
10301
10302         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10303                 return 0;
10304
10305         if (tg3_nvram_read(tp, 0, &magic) != 0)
10306                 return -EIO;
10307
10308         if (magic == TG3_EEPROM_MAGIC)
10309                 size = NVRAM_TEST_SIZE;
10310         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10311                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10312                     TG3_EEPROM_SB_FORMAT_1) {
10313                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10314                         case TG3_EEPROM_SB_REVISION_0:
10315                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10316                                 break;
10317                         case TG3_EEPROM_SB_REVISION_2:
10318                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10319                                 break;
10320                         case TG3_EEPROM_SB_REVISION_3:
10321                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10322                                 break;
10323                         default:
10324                                 return 0;
10325                         }
10326                 } else
10327                         return 0;
10328         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10329                 size = NVRAM_SELFBOOT_HW_SIZE;
10330         else
10331                 return -EIO;
10332
10333         buf = kmalloc(size, GFP_KERNEL);
10334         if (buf == NULL)
10335                 return -ENOMEM;
10336
10337         err = -EIO;
10338         for (i = 0, j = 0; i < size; i += 4, j++) {
10339                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10340                 if (err)
10341                         break;
10342         }
10343         if (i < size)
10344                 goto out;
10345
10346         /* Selfboot format */
10347         magic = be32_to_cpu(buf[0]);
10348         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10349             TG3_EEPROM_MAGIC_FW) {
10350                 u8 *buf8 = (u8 *) buf, csum8 = 0;
10351
10352                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10353                     TG3_EEPROM_SB_REVISION_2) {
10354                         /* For rev 2, the csum doesn't include the MBA. */
10355                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10356                                 csum8 += buf8[i];
10357                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10358                                 csum8 += buf8[i];
10359                 } else {
10360                         for (i = 0; i < size; i++)
10361                                 csum8 += buf8[i];
10362                 }
10363
10364                 if (csum8 == 0) {
10365                         err = 0;
10366                         goto out;
10367                 }
10368
10369                 err = -EIO;
10370                 goto out;
10371         }
10372
10373         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10374             TG3_EEPROM_MAGIC_HW) {
10375                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10376                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10377                 u8 *buf8 = (u8 *) buf;
10378
10379                 /* Separate the parity bits and the data bytes.  */
10380                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10381                         if ((i == 0) || (i == 8)) {
10382                                 int l;
10383                                 u8 msk;
10384
10385                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10386                                         parity[k++] = buf8[i] & msk;
10387                                 i++;
10388                         }
10389                         else if (i == 16) {
10390                                 int l;
10391                                 u8 msk;
10392
10393                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10394                                         parity[k++] = buf8[i] & msk;
10395                                 i++;
10396
10397                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10398                                         parity[k++] = buf8[i] & msk;
10399                                 i++;
10400                         }
10401                         data[j++] = buf8[i];
10402                 }
10403
10404                 err = -EIO;
10405                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10406                         u8 hw8 = hweight8(data[i]);
10407
10408                         if ((hw8 & 0x1) && parity[i])
10409                                 goto out;
10410                         else if (!(hw8 & 0x1) && !parity[i])
10411                                 goto out;
10412                 }
10413                 err = 0;
10414                 goto out;
10415         }
10416
10417         /* Bootstrap checksum at offset 0x10 */
10418         csum = calc_crc((unsigned char *) buf, 0x10);
10419         if (csum != be32_to_cpu(buf[0x10/4]))
10420                 goto out;
10421
10422         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10423         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10424         if (csum != be32_to_cpu(buf[0xfc/4]))
10425                 goto out;
10426
10427         err = 0;
10428
10429 out:
10430         kfree(buf);
10431         return err;
10432 }
10433
10434 #define TG3_SERDES_TIMEOUT_SEC  2
10435 #define TG3_COPPER_TIMEOUT_SEC  6
10436
10437 static int tg3_test_link(struct tg3 *tp)
10438 {
10439         int i, max;
10440
10441         if (!netif_running(tp->dev))
10442                 return -ENODEV;
10443
10444         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10445                 max = TG3_SERDES_TIMEOUT_SEC;
10446         else
10447                 max = TG3_COPPER_TIMEOUT_SEC;
10448
10449         for (i = 0; i < max; i++) {
10450                 if (netif_carrier_ok(tp->dev))
10451                         return 0;
10452
10453                 if (msleep_interruptible(1000))
10454                         break;
10455         }
10456
10457         return -EIO;
10458 }
10459
10460 /* Only test the commonly used registers */
10461 static int tg3_test_registers(struct tg3 *tp)
10462 {
10463         int i, is_5705, is_5750;
10464         u32 offset, read_mask, write_mask, val, save_val, read_val;
10465         static struct {
10466                 u16 offset;
10467                 u16 flags;
10468 #define TG3_FL_5705     0x1
10469 #define TG3_FL_NOT_5705 0x2
10470 #define TG3_FL_NOT_5788 0x4
10471 #define TG3_FL_NOT_5750 0x8
10472                 u32 read_mask;
10473                 u32 write_mask;
10474         } reg_tbl[] = {
10475                 /* MAC Control Registers */
10476                 { MAC_MODE, TG3_FL_NOT_5705,
10477                         0x00000000, 0x00ef6f8c },
10478                 { MAC_MODE, TG3_FL_5705,
10479                         0x00000000, 0x01ef6b8c },
10480                 { MAC_STATUS, TG3_FL_NOT_5705,
10481                         0x03800107, 0x00000000 },
10482                 { MAC_STATUS, TG3_FL_5705,
10483                         0x03800100, 0x00000000 },
10484                 { MAC_ADDR_0_HIGH, 0x0000,
10485                         0x00000000, 0x0000ffff },
10486                 { MAC_ADDR_0_LOW, 0x0000,
10487                         0x00000000, 0xffffffff },
10488                 { MAC_RX_MTU_SIZE, 0x0000,
10489                         0x00000000, 0x0000ffff },
10490                 { MAC_TX_MODE, 0x0000,
10491                         0x00000000, 0x00000070 },
10492                 { MAC_TX_LENGTHS, 0x0000,
10493                         0x00000000, 0x00003fff },
10494                 { MAC_RX_MODE, TG3_FL_NOT_5705,
10495                         0x00000000, 0x000007fc },
10496                 { MAC_RX_MODE, TG3_FL_5705,
10497                         0x00000000, 0x000007dc },
10498                 { MAC_HASH_REG_0, 0x0000,
10499                         0x00000000, 0xffffffff },
10500                 { MAC_HASH_REG_1, 0x0000,
10501                         0x00000000, 0xffffffff },
10502                 { MAC_HASH_REG_2, 0x0000,
10503                         0x00000000, 0xffffffff },
10504                 { MAC_HASH_REG_3, 0x0000,
10505                         0x00000000, 0xffffffff },
10506
10507                 /* Receive Data and Receive BD Initiator Control Registers. */
10508                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10509                         0x00000000, 0xffffffff },
10510                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10511                         0x00000000, 0xffffffff },
10512                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10513                         0x00000000, 0x00000003 },
10514                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10515                         0x00000000, 0xffffffff },
10516                 { RCVDBDI_STD_BD+0, 0x0000,
10517                         0x00000000, 0xffffffff },
10518                 { RCVDBDI_STD_BD+4, 0x0000,
10519                         0x00000000, 0xffffffff },
10520                 { RCVDBDI_STD_BD+8, 0x0000,
10521                         0x00000000, 0xffff0002 },
10522                 { RCVDBDI_STD_BD+0xc, 0x0000,
10523                         0x00000000, 0xffffffff },
10524
10525                 /* Receive BD Initiator Control Registers. */
10526                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10527                         0x00000000, 0xffffffff },
10528                 { RCVBDI_STD_THRESH, TG3_FL_5705,
10529                         0x00000000, 0x000003ff },
10530                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10531                         0x00000000, 0xffffffff },
10532
10533                 /* Host Coalescing Control Registers. */
10534                 { HOSTCC_MODE, TG3_FL_NOT_5705,
10535                         0x00000000, 0x00000004 },
10536                 { HOSTCC_MODE, TG3_FL_5705,
10537                         0x00000000, 0x000000f6 },
10538                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10539                         0x00000000, 0xffffffff },
10540                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10541                         0x00000000, 0x000003ff },
10542                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10543                         0x00000000, 0xffffffff },
10544                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10545                         0x00000000, 0x000003ff },
10546                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10547                         0x00000000, 0xffffffff },
10548                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10549                         0x00000000, 0x000000ff },
10550                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10551                         0x00000000, 0xffffffff },
10552                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10553                         0x00000000, 0x000000ff },
10554                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10555                         0x00000000, 0xffffffff },
10556                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10557                         0x00000000, 0xffffffff },
10558                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10559                         0x00000000, 0xffffffff },
10560                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10561                         0x00000000, 0x000000ff },
10562                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10563                         0x00000000, 0xffffffff },
10564                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10565                         0x00000000, 0x000000ff },
10566                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10567                         0x00000000, 0xffffffff },
10568                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10569                         0x00000000, 0xffffffff },
10570                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10571                         0x00000000, 0xffffffff },
10572                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10573                         0x00000000, 0xffffffff },
10574                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10575                         0x00000000, 0xffffffff },
10576                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10577                         0xffffffff, 0x00000000 },
10578                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10579                         0xffffffff, 0x00000000 },
10580
10581                 /* Buffer Manager Control Registers. */
10582                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10583                         0x00000000, 0x007fff80 },
10584                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10585                         0x00000000, 0x007fffff },
10586                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10587                         0x00000000, 0x0000003f },
10588                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10589                         0x00000000, 0x000001ff },
10590                 { BUFMGR_MB_HIGH_WATER, 0x0000,
10591                         0x00000000, 0x000001ff },
10592                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10593                         0xffffffff, 0x00000000 },
10594                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10595                         0xffffffff, 0x00000000 },
10596
10597                 /* Mailbox Registers */
10598                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10599                         0x00000000, 0x000001ff },
10600                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10601                         0x00000000, 0x000001ff },
10602                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10603                         0x00000000, 0x000007ff },
10604                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10605                         0x00000000, 0x000001ff },
10606
10607                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10608         };
10609
10610         is_5705 = is_5750 = 0;
10611         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10612                 is_5705 = 1;
10613                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10614                         is_5750 = 1;
10615         }
10616
10617         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10618                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10619                         continue;
10620
10621                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10622                         continue;
10623
10624                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10625                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
10626                         continue;
10627
10628                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10629                         continue;
10630
10631                 offset = (u32) reg_tbl[i].offset;
10632                 read_mask = reg_tbl[i].read_mask;
10633                 write_mask = reg_tbl[i].write_mask;
10634
10635                 /* Save the original register content */
10636                 save_val = tr32(offset);
10637
10638                 /* Determine the read-only value. */
10639                 read_val = save_val & read_mask;
10640
10641                 /* Write zero to the register, then make sure the read-only bits
10642                  * are not changed and the read/write bits are all zeros.
10643                  */
10644                 tw32(offset, 0);
10645
10646                 val = tr32(offset);
10647
10648                 /* Test the read-only and read/write bits. */
10649                 if (((val & read_mask) != read_val) || (val & write_mask))
10650                         goto out;
10651
10652                 /* Write ones to all the bits defined by RdMask and WrMask, then
10653                  * make sure the read-only bits are not changed and the
10654                  * read/write bits are all ones.
10655                  */
10656                 tw32(offset, read_mask | write_mask);
10657
10658                 val = tr32(offset);
10659
10660                 /* Test the read-only bits. */
10661                 if ((val & read_mask) != read_val)
10662                         goto out;
10663
10664                 /* Test the read/write bits. */
10665                 if ((val & write_mask) != write_mask)
10666                         goto out;
10667
10668                 tw32(offset, save_val);
10669         }
10670
10671         return 0;
10672
10673 out:
10674         if (netif_msg_hw(tp))
10675                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
10676                        offset);
10677         tw32(offset, save_val);
10678         return -EIO;
10679 }
10680
10681 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10682 {
10683         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10684         int i;
10685         u32 j;
10686
10687         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10688                 for (j = 0; j < len; j += 4) {
10689                         u32 val;
10690
10691                         tg3_write_mem(tp, offset + j, test_pattern[i]);
10692                         tg3_read_mem(tp, offset + j, &val);
10693                         if (val != test_pattern[i])
10694                                 return -EIO;
10695                 }
10696         }
10697         return 0;
10698 }
10699
10700 static int tg3_test_memory(struct tg3 *tp)
10701 {
10702         static struct mem_entry {
10703                 u32 offset;
10704                 u32 len;
10705         } mem_tbl_570x[] = {
10706                 { 0x00000000, 0x00b50},
10707                 { 0x00002000, 0x1c000},
10708                 { 0xffffffff, 0x00000}
10709         }, mem_tbl_5705[] = {
10710                 { 0x00000100, 0x0000c},
10711                 { 0x00000200, 0x00008},
10712                 { 0x00004000, 0x00800},
10713                 { 0x00006000, 0x01000},
10714                 { 0x00008000, 0x02000},
10715                 { 0x00010000, 0x0e000},
10716                 { 0xffffffff, 0x00000}
10717         }, mem_tbl_5755[] = {
10718                 { 0x00000200, 0x00008},
10719                 { 0x00004000, 0x00800},
10720                 { 0x00006000, 0x00800},
10721                 { 0x00008000, 0x02000},
10722                 { 0x00010000, 0x0c000},
10723                 { 0xffffffff, 0x00000}
10724         }, mem_tbl_5906[] = {
10725                 { 0x00000200, 0x00008},
10726                 { 0x00004000, 0x00400},
10727                 { 0x00006000, 0x00400},
10728                 { 0x00008000, 0x01000},
10729                 { 0x00010000, 0x01000},
10730                 { 0xffffffff, 0x00000}
10731         }, mem_tbl_5717[] = {
10732                 { 0x00000200, 0x00008},
10733                 { 0x00010000, 0x0a000},
10734                 { 0x00020000, 0x13c00},
10735                 { 0xffffffff, 0x00000}
10736         }, mem_tbl_57765[] = {
10737                 { 0x00000200, 0x00008},
10738                 { 0x00004000, 0x00800},
10739                 { 0x00006000, 0x09800},
10740                 { 0x00010000, 0x0a000},
10741                 { 0xffffffff, 0x00000}
10742         };
10743         struct mem_entry *mem_tbl;
10744         int err = 0;
10745         int i;
10746
10747         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
10748                 mem_tbl = mem_tbl_5717;
10749         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10750                 mem_tbl = mem_tbl_57765;
10751         else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10752                 mem_tbl = mem_tbl_5755;
10753         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10754                 mem_tbl = mem_tbl_5906;
10755         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10756                 mem_tbl = mem_tbl_5705;
10757         else
10758                 mem_tbl = mem_tbl_570x;
10759
10760         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10761                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10762                     mem_tbl[i].len)) != 0)
10763                         break;
10764         }
10765
10766         return err;
10767 }
10768
10769 #define TG3_MAC_LOOPBACK        0
10770 #define TG3_PHY_LOOPBACK        1
10771
10772 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10773 {
10774         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10775         u32 desc_idx, coal_now;
10776         struct sk_buff *skb, *rx_skb;
10777         u8 *tx_data;
10778         dma_addr_t map;
10779         int num_pkts, tx_len, rx_len, i, err;
10780         struct tg3_rx_buffer_desc *desc;
10781         struct tg3_napi *tnapi, *rnapi;
10782         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10783
10784         if (tp->irq_cnt > 1) {
10785                 tnapi = &tp->napi[1];
10786                 rnapi = &tp->napi[1];
10787         } else {
10788                 tnapi = &tp->napi[0];
10789                 rnapi = &tp->napi[0];
10790         }
10791         coal_now = tnapi->coal_now | rnapi->coal_now;
10792
10793         if (loopback_mode == TG3_MAC_LOOPBACK) {
10794                 /* HW errata - mac loopback fails in some cases on 5780.
10795                  * Normal traffic and PHY loopback are not affected by
10796                  * errata.
10797                  */
10798                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10799                         return 0;
10800
10801                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10802                            MAC_MODE_PORT_INT_LPBACK;
10803                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10804                         mac_mode |= MAC_MODE_LINK_POLARITY;
10805                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10806                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10807                 else
10808                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10809                 tw32(MAC_MODE, mac_mode);
10810         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10811                 u32 val;
10812
10813                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10814                         tg3_phy_fet_toggle_apd(tp, false);
10815                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10816                 } else
10817                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10818
10819                 tg3_phy_toggle_automdix(tp, 0);
10820
10821                 tg3_writephy(tp, MII_BMCR, val);
10822                 udelay(40);
10823
10824                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10825                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10826                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10827                                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
10828                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10829                 } else
10830                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10831
10832                 /* reset to prevent losing 1st rx packet intermittently */
10833                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10834                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10835                         udelay(10);
10836                         tw32_f(MAC_RX_MODE, tp->rx_mode);
10837                 }
10838                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10839                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10840                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10841                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10842                                 mac_mode |= MAC_MODE_LINK_POLARITY;
10843                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
10844                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10845                 }
10846                 tw32(MAC_MODE, mac_mode);
10847         }
10848         else
10849                 return -EINVAL;
10850
10851         err = -EIO;
10852
10853         tx_len = 1514;
10854         skb = netdev_alloc_skb(tp->dev, tx_len);
10855         if (!skb)
10856                 return -ENOMEM;
10857
10858         tx_data = skb_put(skb, tx_len);
10859         memcpy(tx_data, tp->dev->dev_addr, 6);
10860         memset(tx_data + 6, 0x0, 8);
10861
10862         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10863
10864         for (i = 14; i < tx_len; i++)
10865                 tx_data[i] = (u8) (i & 0xff);
10866
10867         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10868         if (pci_dma_mapping_error(tp->pdev, map)) {
10869                 dev_kfree_skb(skb);
10870                 return -EIO;
10871         }
10872
10873         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10874                rnapi->coal_now);
10875
10876         udelay(10);
10877
10878         rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10879
10880         num_pkts = 0;
10881
10882         tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10883
10884         tnapi->tx_prod++;
10885         num_pkts++;
10886
10887         tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10888         tr32_mailbox(tnapi->prodmbox);
10889
10890         udelay(10);
10891
10892         /* 350 usec to allow enough time on some 10/100 Mbps devices.  */
10893         for (i = 0; i < 35; i++) {
10894                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10895                        coal_now);
10896
10897                 udelay(10);
10898
10899                 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10900                 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10901                 if ((tx_idx == tnapi->tx_prod) &&
10902                     (rx_idx == (rx_start_idx + num_pkts)))
10903                         break;
10904         }
10905
10906         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10907         dev_kfree_skb(skb);
10908
10909         if (tx_idx != tnapi->tx_prod)
10910                 goto out;
10911
10912         if (rx_idx != rx_start_idx + num_pkts)
10913                 goto out;
10914
10915         desc = &rnapi->rx_rcb[rx_start_idx];
10916         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10917         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10918         if (opaque_key != RXD_OPAQUE_RING_STD)
10919                 goto out;
10920
10921         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10922             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10923                 goto out;
10924
10925         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10926         if (rx_len != tx_len)
10927                 goto out;
10928
10929         rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10930
10931         map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10932         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10933
10934         for (i = 14; i < tx_len; i++) {
10935                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10936                         goto out;
10937         }
10938         err = 0;
10939
10940         /* tg3_free_rings will unmap and free the rx_skb */
10941 out:
10942         return err;
10943 }
10944
10945 #define TG3_MAC_LOOPBACK_FAILED         1
10946 #define TG3_PHY_LOOPBACK_FAILED         2
10947 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
10948                                          TG3_PHY_LOOPBACK_FAILED)
10949
10950 static int tg3_test_loopback(struct tg3 *tp)
10951 {
10952         int err = 0;
10953         u32 cpmuctrl = 0;
10954
10955         if (!netif_running(tp->dev))
10956                 return TG3_LOOPBACK_FAILED;
10957
10958         err = tg3_reset_hw(tp, 1);
10959         if (err)
10960                 return TG3_LOOPBACK_FAILED;
10961
10962         /* Turn off gphy autopowerdown. */
10963         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10964                 tg3_phy_toggle_apd(tp, false);
10965
10966         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10967                 int i;
10968                 u32 status;
10969
10970                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10971
10972                 /* Wait for up to 40 microseconds to acquire lock. */
10973                 for (i = 0; i < 4; i++) {
10974                         status = tr32(TG3_CPMU_MUTEX_GNT);
10975                         if (status == CPMU_MUTEX_GNT_DRIVER)
10976                                 break;
10977                         udelay(10);
10978                 }
10979
10980                 if (status != CPMU_MUTEX_GNT_DRIVER)
10981                         return TG3_LOOPBACK_FAILED;
10982
10983                 /* Turn off link-based power management. */
10984                 cpmuctrl = tr32(TG3_CPMU_CTRL);
10985                 tw32(TG3_CPMU_CTRL,
10986                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10987                                   CPMU_CTRL_LINK_AWARE_MODE));
10988         }
10989
10990         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10991                 err |= TG3_MAC_LOOPBACK_FAILED;
10992
10993         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10994                 tw32(TG3_CPMU_CTRL, cpmuctrl);
10995
10996                 /* Release the mutex */
10997                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10998         }
10999
11000         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
11001             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
11002                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
11003                         err |= TG3_PHY_LOOPBACK_FAILED;
11004         }
11005
11006         /* Re-enable gphy autopowerdown. */
11007         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
11008                 tg3_phy_toggle_apd(tp, true);
11009
11010         return err;
11011 }
11012
11013 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
11014                           u64 *data)
11015 {
11016         struct tg3 *tp = netdev_priv(dev);
11017
11018         if (tp->link_config.phy_is_low_power)
11019                 tg3_set_power_state(tp, PCI_D0);
11020
11021         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
11022
11023         if (tg3_test_nvram(tp) != 0) {
11024                 etest->flags |= ETH_TEST_FL_FAILED;
11025                 data[0] = 1;
11026         }
11027         if (tg3_test_link(tp) != 0) {
11028                 etest->flags |= ETH_TEST_FL_FAILED;
11029                 data[1] = 1;
11030         }
11031         if (etest->flags & ETH_TEST_FL_OFFLINE) {
11032                 int err, err2 = 0, irq_sync = 0;
11033
11034                 if (netif_running(dev)) {
11035                         tg3_phy_stop(tp);
11036                         tg3_netif_stop(tp);
11037                         irq_sync = 1;
11038                 }
11039
11040                 tg3_full_lock(tp, irq_sync);
11041
11042                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
11043                 err = tg3_nvram_lock(tp);
11044                 tg3_halt_cpu(tp, RX_CPU_BASE);
11045                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11046                         tg3_halt_cpu(tp, TX_CPU_BASE);
11047                 if (!err)
11048                         tg3_nvram_unlock(tp);
11049
11050                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
11051                         tg3_phy_reset(tp);
11052
11053                 if (tg3_test_registers(tp) != 0) {
11054                         etest->flags |= ETH_TEST_FL_FAILED;
11055                         data[2] = 1;
11056                 }
11057                 if (tg3_test_memory(tp) != 0) {
11058                         etest->flags |= ETH_TEST_FL_FAILED;
11059                         data[3] = 1;
11060                 }
11061                 if ((data[4] = tg3_test_loopback(tp)) != 0)
11062                         etest->flags |= ETH_TEST_FL_FAILED;
11063
11064                 tg3_full_unlock(tp);
11065
11066                 if (tg3_test_interrupt(tp) != 0) {
11067                         etest->flags |= ETH_TEST_FL_FAILED;
11068                         data[5] = 1;
11069                 }
11070
11071                 tg3_full_lock(tp, 0);
11072
11073                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11074                 if (netif_running(dev)) {
11075                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11076                         err2 = tg3_restart_hw(tp, 1);
11077                         if (!err2)
11078                                 tg3_netif_start(tp);
11079                 }
11080
11081                 tg3_full_unlock(tp);
11082
11083                 if (irq_sync && !err2)
11084                         tg3_phy_start(tp);
11085         }
11086         if (tp->link_config.phy_is_low_power)
11087                 tg3_set_power_state(tp, PCI_D3hot);
11088
11089 }
11090
11091 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11092 {
11093         struct mii_ioctl_data *data = if_mii(ifr);
11094         struct tg3 *tp = netdev_priv(dev);
11095         int err;
11096
11097         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
11098                 struct phy_device *phydev;
11099                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
11100                         return -EAGAIN;
11101                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
11102                 return phy_mii_ioctl(phydev, data, cmd);
11103         }
11104
11105         switch(cmd) {
11106         case SIOCGMIIPHY:
11107                 data->phy_id = tp->phy_addr;
11108
11109                 /* fallthru */
11110         case SIOCGMIIREG: {
11111                 u32 mii_regval;
11112
11113                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11114                         break;                  /* We have no PHY */
11115
11116                 if (tp->link_config.phy_is_low_power)
11117                         return -EAGAIN;
11118
11119                 spin_lock_bh(&tp->lock);
11120                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
11121                 spin_unlock_bh(&tp->lock);
11122
11123                 data->val_out = mii_regval;
11124
11125                 return err;
11126         }
11127
11128         case SIOCSMIIREG:
11129                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11130                         break;                  /* We have no PHY */
11131
11132                 if (tp->link_config.phy_is_low_power)
11133                         return -EAGAIN;
11134
11135                 spin_lock_bh(&tp->lock);
11136                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
11137                 spin_unlock_bh(&tp->lock);
11138
11139                 return err;
11140
11141         default:
11142                 /* do nothing */
11143                 break;
11144         }
11145         return -EOPNOTSUPP;
11146 }
11147
11148 #if TG3_VLAN_TAG_USED
11149 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11150 {
11151         struct tg3 *tp = netdev_priv(dev);
11152
11153         if (!netif_running(dev)) {
11154                 tp->vlgrp = grp;
11155                 return;
11156         }
11157
11158         tg3_netif_stop(tp);
11159
11160         tg3_full_lock(tp, 0);
11161
11162         tp->vlgrp = grp;
11163
11164         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11165         __tg3_set_rx_mode(dev);
11166
11167         tg3_netif_start(tp);
11168
11169         tg3_full_unlock(tp);
11170 }
11171 #endif
11172
11173 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11174 {
11175         struct tg3 *tp = netdev_priv(dev);
11176
11177         memcpy(ec, &tp->coal, sizeof(*ec));
11178         return 0;
11179 }
11180
11181 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11182 {
11183         struct tg3 *tp = netdev_priv(dev);
11184         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11185         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11186
11187         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11188                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11189                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11190                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11191                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11192         }
11193
11194         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11195             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11196             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11197             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11198             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11199             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11200             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11201             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11202             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11203             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11204                 return -EINVAL;
11205
11206         /* No rx interrupts will be generated if both are zero */
11207         if ((ec->rx_coalesce_usecs == 0) &&
11208             (ec->rx_max_coalesced_frames == 0))
11209                 return -EINVAL;
11210
11211         /* No tx interrupts will be generated if both are zero */
11212         if ((ec->tx_coalesce_usecs == 0) &&
11213             (ec->tx_max_coalesced_frames == 0))
11214                 return -EINVAL;
11215
11216         /* Only copy relevant parameters, ignore all others. */
11217         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11218         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11219         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11220         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11221         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11222         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11223         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11224         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11225         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11226
11227         if (netif_running(dev)) {
11228                 tg3_full_lock(tp, 0);
11229                 __tg3_set_coalesce(tp, &tp->coal);
11230                 tg3_full_unlock(tp);
11231         }
11232         return 0;
11233 }
11234
11235 static const struct ethtool_ops tg3_ethtool_ops = {
11236         .get_settings           = tg3_get_settings,
11237         .set_settings           = tg3_set_settings,
11238         .get_drvinfo            = tg3_get_drvinfo,
11239         .get_regs_len           = tg3_get_regs_len,
11240         .get_regs               = tg3_get_regs,
11241         .get_wol                = tg3_get_wol,
11242         .set_wol                = tg3_set_wol,
11243         .get_msglevel           = tg3_get_msglevel,
11244         .set_msglevel           = tg3_set_msglevel,
11245         .nway_reset             = tg3_nway_reset,
11246         .get_link               = ethtool_op_get_link,
11247         .get_eeprom_len         = tg3_get_eeprom_len,
11248         .get_eeprom             = tg3_get_eeprom,
11249         .set_eeprom             = tg3_set_eeprom,
11250         .get_ringparam          = tg3_get_ringparam,
11251         .set_ringparam          = tg3_set_ringparam,
11252         .get_pauseparam         = tg3_get_pauseparam,
11253         .set_pauseparam         = tg3_set_pauseparam,
11254         .get_rx_csum            = tg3_get_rx_csum,
11255         .set_rx_csum            = tg3_set_rx_csum,
11256         .set_tx_csum            = tg3_set_tx_csum,
11257         .set_sg                 = ethtool_op_set_sg,
11258         .set_tso                = tg3_set_tso,
11259         .self_test              = tg3_self_test,
11260         .get_strings            = tg3_get_strings,
11261         .phys_id                = tg3_phys_id,
11262         .get_ethtool_stats      = tg3_get_ethtool_stats,
11263         .get_coalesce           = tg3_get_coalesce,
11264         .set_coalesce           = tg3_set_coalesce,
11265         .get_sset_count         = tg3_get_sset_count,
11266 };
11267
11268 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11269 {
11270         u32 cursize, val, magic;
11271
11272         tp->nvram_size = EEPROM_CHIP_SIZE;
11273
11274         if (tg3_nvram_read(tp, 0, &magic) != 0)
11275                 return;
11276
11277         if ((magic != TG3_EEPROM_MAGIC) &&
11278             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11279             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11280                 return;
11281
11282         /*
11283          * Size the chip by reading offsets at increasing powers of two.
11284          * When we encounter our validation signature, we know the addressing
11285          * has wrapped around, and thus have our chip size.
11286          */
11287         cursize = 0x10;
11288
11289         while (cursize < tp->nvram_size) {
11290                 if (tg3_nvram_read(tp, cursize, &val) != 0)
11291                         return;
11292
11293                 if (val == magic)
11294                         break;
11295
11296                 cursize <<= 1;
11297         }
11298
11299         tp->nvram_size = cursize;
11300 }
11301
11302 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11303 {
11304         u32 val;
11305
11306         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11307             tg3_nvram_read(tp, 0, &val) != 0)
11308                 return;
11309
11310         /* Selfboot format */
11311         if (val != TG3_EEPROM_MAGIC) {
11312                 tg3_get_eeprom_size(tp);
11313                 return;
11314         }
11315
11316         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11317                 if (val != 0) {
11318                         /* This is confusing.  We want to operate on the
11319                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
11320                          * call will read from NVRAM and byteswap the data
11321                          * according to the byteswapping settings for all
11322                          * other register accesses.  This ensures the data we
11323                          * want will always reside in the lower 16-bits.
11324                          * However, the data in NVRAM is in LE format, which
11325                          * means the data from the NVRAM read will always be
11326                          * opposite the endianness of the CPU.  The 16-bit
11327                          * byteswap then brings the data to CPU endianness.
11328                          */
11329                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11330                         return;
11331                 }
11332         }
11333         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11334 }
11335
11336 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11337 {
11338         u32 nvcfg1;
11339
11340         nvcfg1 = tr32(NVRAM_CFG1);
11341         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11342                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11343         } else {
11344                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11345                 tw32(NVRAM_CFG1, nvcfg1);
11346         }
11347
11348         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11349             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11350                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11351                 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11352                         tp->nvram_jedecnum = JEDEC_ATMEL;
11353                         tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11354                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11355                         break;
11356                 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11357                         tp->nvram_jedecnum = JEDEC_ATMEL;
11358                         tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11359                         break;
11360                 case FLASH_VENDOR_ATMEL_EEPROM:
11361                         tp->nvram_jedecnum = JEDEC_ATMEL;
11362                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11363                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11364                         break;
11365                 case FLASH_VENDOR_ST:
11366                         tp->nvram_jedecnum = JEDEC_ST;
11367                         tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11368                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11369                         break;
11370                 case FLASH_VENDOR_SAIFUN:
11371                         tp->nvram_jedecnum = JEDEC_SAIFUN;
11372                         tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11373                         break;
11374                 case FLASH_VENDOR_SST_SMALL:
11375                 case FLASH_VENDOR_SST_LARGE:
11376                         tp->nvram_jedecnum = JEDEC_SST;
11377                         tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11378                         break;
11379                 }
11380         } else {
11381                 tp->nvram_jedecnum = JEDEC_ATMEL;
11382                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11383                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11384         }
11385 }
11386
11387 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11388 {
11389         switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11390         case FLASH_5752PAGE_SIZE_256:
11391                 tp->nvram_pagesize = 256;
11392                 break;
11393         case FLASH_5752PAGE_SIZE_512:
11394                 tp->nvram_pagesize = 512;
11395                 break;
11396         case FLASH_5752PAGE_SIZE_1K:
11397                 tp->nvram_pagesize = 1024;
11398                 break;
11399         case FLASH_5752PAGE_SIZE_2K:
11400                 tp->nvram_pagesize = 2048;
11401                 break;
11402         case FLASH_5752PAGE_SIZE_4K:
11403                 tp->nvram_pagesize = 4096;
11404                 break;
11405         case FLASH_5752PAGE_SIZE_264:
11406                 tp->nvram_pagesize = 264;
11407                 break;
11408         case FLASH_5752PAGE_SIZE_528:
11409                 tp->nvram_pagesize = 528;
11410                 break;
11411         }
11412 }
11413
11414 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11415 {
11416         u32 nvcfg1;
11417
11418         nvcfg1 = tr32(NVRAM_CFG1);
11419
11420         /* NVRAM protection for TPM */
11421         if (nvcfg1 & (1 << 27))
11422                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11423
11424         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11425         case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11426         case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11427                 tp->nvram_jedecnum = JEDEC_ATMEL;
11428                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11429                 break;
11430         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11431                 tp->nvram_jedecnum = JEDEC_ATMEL;
11432                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11433                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11434                 break;
11435         case FLASH_5752VENDOR_ST_M45PE10:
11436         case FLASH_5752VENDOR_ST_M45PE20:
11437         case FLASH_5752VENDOR_ST_M45PE40:
11438                 tp->nvram_jedecnum = JEDEC_ST;
11439                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11440                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11441                 break;
11442         }
11443
11444         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11445                 tg3_nvram_get_pagesize(tp, nvcfg1);
11446         } else {
11447                 /* For eeprom, set pagesize to maximum eeprom size */
11448                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11449
11450                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11451                 tw32(NVRAM_CFG1, nvcfg1);
11452         }
11453 }
11454
11455 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11456 {
11457         u32 nvcfg1, protect = 0;
11458
11459         nvcfg1 = tr32(NVRAM_CFG1);
11460
11461         /* NVRAM protection for TPM */
11462         if (nvcfg1 & (1 << 27)) {
11463                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11464                 protect = 1;
11465         }
11466
11467         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11468         switch (nvcfg1) {
11469         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11470         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11471         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11472         case FLASH_5755VENDOR_ATMEL_FLASH_5:
11473                 tp->nvram_jedecnum = JEDEC_ATMEL;
11474                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11475                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11476                 tp->nvram_pagesize = 264;
11477                 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11478                     nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11479                         tp->nvram_size = (protect ? 0x3e200 :
11480                                           TG3_NVRAM_SIZE_512KB);
11481                 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11482                         tp->nvram_size = (protect ? 0x1f200 :
11483                                           TG3_NVRAM_SIZE_256KB);
11484                 else
11485                         tp->nvram_size = (protect ? 0x1f200 :
11486                                           TG3_NVRAM_SIZE_128KB);
11487                 break;
11488         case FLASH_5752VENDOR_ST_M45PE10:
11489         case FLASH_5752VENDOR_ST_M45PE20:
11490         case FLASH_5752VENDOR_ST_M45PE40:
11491                 tp->nvram_jedecnum = JEDEC_ST;
11492                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11493                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11494                 tp->nvram_pagesize = 256;
11495                 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11496                         tp->nvram_size = (protect ?
11497                                           TG3_NVRAM_SIZE_64KB :
11498                                           TG3_NVRAM_SIZE_128KB);
11499                 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11500                         tp->nvram_size = (protect ?
11501                                           TG3_NVRAM_SIZE_64KB :
11502                                           TG3_NVRAM_SIZE_256KB);
11503                 else
11504                         tp->nvram_size = (protect ?
11505                                           TG3_NVRAM_SIZE_128KB :
11506                                           TG3_NVRAM_SIZE_512KB);
11507                 break;
11508         }
11509 }
11510
11511 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11512 {
11513         u32 nvcfg1;
11514
11515         nvcfg1 = tr32(NVRAM_CFG1);
11516
11517         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11518         case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11519         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11520         case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11521         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11522                 tp->nvram_jedecnum = JEDEC_ATMEL;
11523                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11524                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11525
11526                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11527                 tw32(NVRAM_CFG1, nvcfg1);
11528                 break;
11529         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11530         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11531         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11532         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11533                 tp->nvram_jedecnum = JEDEC_ATMEL;
11534                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11535                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11536                 tp->nvram_pagesize = 264;
11537                 break;
11538         case FLASH_5752VENDOR_ST_M45PE10:
11539         case FLASH_5752VENDOR_ST_M45PE20:
11540         case FLASH_5752VENDOR_ST_M45PE40:
11541                 tp->nvram_jedecnum = JEDEC_ST;
11542                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11543                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11544                 tp->nvram_pagesize = 256;
11545                 break;
11546         }
11547 }
11548
11549 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11550 {
11551         u32 nvcfg1, protect = 0;
11552
11553         nvcfg1 = tr32(NVRAM_CFG1);
11554
11555         /* NVRAM protection for TPM */
11556         if (nvcfg1 & (1 << 27)) {
11557                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11558                 protect = 1;
11559         }
11560
11561         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11562         switch (nvcfg1) {
11563         case FLASH_5761VENDOR_ATMEL_ADB021D:
11564         case FLASH_5761VENDOR_ATMEL_ADB041D:
11565         case FLASH_5761VENDOR_ATMEL_ADB081D:
11566         case FLASH_5761VENDOR_ATMEL_ADB161D:
11567         case FLASH_5761VENDOR_ATMEL_MDB021D:
11568         case FLASH_5761VENDOR_ATMEL_MDB041D:
11569         case FLASH_5761VENDOR_ATMEL_MDB081D:
11570         case FLASH_5761VENDOR_ATMEL_MDB161D:
11571                 tp->nvram_jedecnum = JEDEC_ATMEL;
11572                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11573                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11574                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11575                 tp->nvram_pagesize = 256;
11576                 break;
11577         case FLASH_5761VENDOR_ST_A_M45PE20:
11578         case FLASH_5761VENDOR_ST_A_M45PE40:
11579         case FLASH_5761VENDOR_ST_A_M45PE80:
11580         case FLASH_5761VENDOR_ST_A_M45PE16:
11581         case FLASH_5761VENDOR_ST_M_M45PE20:
11582         case FLASH_5761VENDOR_ST_M_M45PE40:
11583         case FLASH_5761VENDOR_ST_M_M45PE80:
11584         case FLASH_5761VENDOR_ST_M_M45PE16:
11585                 tp->nvram_jedecnum = JEDEC_ST;
11586                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11587                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11588                 tp->nvram_pagesize = 256;
11589                 break;
11590         }
11591
11592         if (protect) {
11593                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11594         } else {
11595                 switch (nvcfg1) {
11596                 case FLASH_5761VENDOR_ATMEL_ADB161D:
11597                 case FLASH_5761VENDOR_ATMEL_MDB161D:
11598                 case FLASH_5761VENDOR_ST_A_M45PE16:
11599                 case FLASH_5761VENDOR_ST_M_M45PE16:
11600                         tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11601                         break;
11602                 case FLASH_5761VENDOR_ATMEL_ADB081D:
11603                 case FLASH_5761VENDOR_ATMEL_MDB081D:
11604                 case FLASH_5761VENDOR_ST_A_M45PE80:
11605                 case FLASH_5761VENDOR_ST_M_M45PE80:
11606                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11607                         break;
11608                 case FLASH_5761VENDOR_ATMEL_ADB041D:
11609                 case FLASH_5761VENDOR_ATMEL_MDB041D:
11610                 case FLASH_5761VENDOR_ST_A_M45PE40:
11611                 case FLASH_5761VENDOR_ST_M_M45PE40:
11612                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11613                         break;
11614                 case FLASH_5761VENDOR_ATMEL_ADB021D:
11615                 case FLASH_5761VENDOR_ATMEL_MDB021D:
11616                 case FLASH_5761VENDOR_ST_A_M45PE20:
11617                 case FLASH_5761VENDOR_ST_M_M45PE20:
11618                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11619                         break;
11620                 }
11621         }
11622 }
11623
11624 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11625 {
11626         tp->nvram_jedecnum = JEDEC_ATMEL;
11627         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11628         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11629 }
11630
11631 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11632 {
11633         u32 nvcfg1;
11634
11635         nvcfg1 = tr32(NVRAM_CFG1);
11636
11637         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11638         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11639         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11640                 tp->nvram_jedecnum = JEDEC_ATMEL;
11641                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11642                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11643
11644                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11645                 tw32(NVRAM_CFG1, nvcfg1);
11646                 return;
11647         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11648         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11649         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11650         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11651         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11652         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11653         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11654                 tp->nvram_jedecnum = JEDEC_ATMEL;
11655                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11656                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11657
11658                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11659                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11660                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11661                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11662                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11663                         break;
11664                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11665                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11666                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11667                         break;
11668                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11669                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11670                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11671                         break;
11672                 }
11673                 break;
11674         case FLASH_5752VENDOR_ST_M45PE10:
11675         case FLASH_5752VENDOR_ST_M45PE20:
11676         case FLASH_5752VENDOR_ST_M45PE40:
11677                 tp->nvram_jedecnum = JEDEC_ST;
11678                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11679                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11680
11681                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11682                 case FLASH_5752VENDOR_ST_M45PE10:
11683                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11684                         break;
11685                 case FLASH_5752VENDOR_ST_M45PE20:
11686                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11687                         break;
11688                 case FLASH_5752VENDOR_ST_M45PE40:
11689                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11690                         break;
11691                 }
11692                 break;
11693         default:
11694                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11695                 return;
11696         }
11697
11698         tg3_nvram_get_pagesize(tp, nvcfg1);
11699         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11700                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11701 }
11702
11703
11704 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11705 {
11706         u32 nvcfg1;
11707
11708         nvcfg1 = tr32(NVRAM_CFG1);
11709
11710         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11711         case FLASH_5717VENDOR_ATMEL_EEPROM:
11712         case FLASH_5717VENDOR_MICRO_EEPROM:
11713                 tp->nvram_jedecnum = JEDEC_ATMEL;
11714                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11715                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11716
11717                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11718                 tw32(NVRAM_CFG1, nvcfg1);
11719                 return;
11720         case FLASH_5717VENDOR_ATMEL_MDB011D:
11721         case FLASH_5717VENDOR_ATMEL_ADB011B:
11722         case FLASH_5717VENDOR_ATMEL_ADB011D:
11723         case FLASH_5717VENDOR_ATMEL_MDB021D:
11724         case FLASH_5717VENDOR_ATMEL_ADB021B:
11725         case FLASH_5717VENDOR_ATMEL_ADB021D:
11726         case FLASH_5717VENDOR_ATMEL_45USPT:
11727                 tp->nvram_jedecnum = JEDEC_ATMEL;
11728                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11729                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11730
11731                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11732                 case FLASH_5717VENDOR_ATMEL_MDB021D:
11733                 case FLASH_5717VENDOR_ATMEL_ADB021B:
11734                 case FLASH_5717VENDOR_ATMEL_ADB021D:
11735                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11736                         break;
11737                 default:
11738                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11739                         break;
11740                 }
11741                 break;
11742         case FLASH_5717VENDOR_ST_M_M25PE10:
11743         case FLASH_5717VENDOR_ST_A_M25PE10:
11744         case FLASH_5717VENDOR_ST_M_M45PE10:
11745         case FLASH_5717VENDOR_ST_A_M45PE10:
11746         case FLASH_5717VENDOR_ST_M_M25PE20:
11747         case FLASH_5717VENDOR_ST_A_M25PE20:
11748         case FLASH_5717VENDOR_ST_M_M45PE20:
11749         case FLASH_5717VENDOR_ST_A_M45PE20:
11750         case FLASH_5717VENDOR_ST_25USPT:
11751         case FLASH_5717VENDOR_ST_45USPT:
11752                 tp->nvram_jedecnum = JEDEC_ST;
11753                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11754                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11755
11756                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11757                 case FLASH_5717VENDOR_ST_M_M25PE20:
11758                 case FLASH_5717VENDOR_ST_A_M25PE20:
11759                 case FLASH_5717VENDOR_ST_M_M45PE20:
11760                 case FLASH_5717VENDOR_ST_A_M45PE20:
11761                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11762                         break;
11763                 default:
11764                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11765                         break;
11766                 }
11767                 break;
11768         default:
11769                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11770                 return;
11771         }
11772
11773         tg3_nvram_get_pagesize(tp, nvcfg1);
11774         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11775                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11776 }
11777
11778 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11779 static void __devinit tg3_nvram_init(struct tg3 *tp)
11780 {
11781         tw32_f(GRC_EEPROM_ADDR,
11782              (EEPROM_ADDR_FSM_RESET |
11783               (EEPROM_DEFAULT_CLOCK_PERIOD <<
11784                EEPROM_ADDR_CLKPERD_SHIFT)));
11785
11786         msleep(1);
11787
11788         /* Enable seeprom accesses. */
11789         tw32_f(GRC_LOCAL_CTRL,
11790              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11791         udelay(100);
11792
11793         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11794             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11795                 tp->tg3_flags |= TG3_FLAG_NVRAM;
11796
11797                 if (tg3_nvram_lock(tp)) {
11798                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
11799                                "tg3_nvram_init failed.\n", tp->dev->name);
11800                         return;
11801                 }
11802                 tg3_enable_nvram_access(tp);
11803
11804                 tp->nvram_size = 0;
11805
11806                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11807                         tg3_get_5752_nvram_info(tp);
11808                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11809                         tg3_get_5755_nvram_info(tp);
11810                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11811                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11812                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11813                         tg3_get_5787_nvram_info(tp);
11814                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11815                         tg3_get_5761_nvram_info(tp);
11816                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11817                         tg3_get_5906_nvram_info(tp);
11818                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11819                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11820                         tg3_get_57780_nvram_info(tp);
11821                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11822                         tg3_get_5717_nvram_info(tp);
11823                 else
11824                         tg3_get_nvram_info(tp);
11825
11826                 if (tp->nvram_size == 0)
11827                         tg3_get_nvram_size(tp);
11828
11829                 tg3_disable_nvram_access(tp);
11830                 tg3_nvram_unlock(tp);
11831
11832         } else {
11833                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11834
11835                 tg3_get_eeprom_size(tp);
11836         }
11837 }
11838
11839 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11840                                     u32 offset, u32 len, u8 *buf)
11841 {
11842         int i, j, rc = 0;
11843         u32 val;
11844
11845         for (i = 0; i < len; i += 4) {
11846                 u32 addr;
11847                 __be32 data;
11848
11849                 addr = offset + i;
11850
11851                 memcpy(&data, buf + i, 4);
11852
11853                 /*
11854                  * The SEEPROM interface expects the data to always be opposite
11855                  * the native endian format.  We accomplish this by reversing
11856                  * all the operations that would have been performed on the
11857                  * data from a call to tg3_nvram_read_be32().
11858                  */
11859                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11860
11861                 val = tr32(GRC_EEPROM_ADDR);
11862                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11863
11864                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11865                         EEPROM_ADDR_READ);
11866                 tw32(GRC_EEPROM_ADDR, val |
11867                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
11868                         (addr & EEPROM_ADDR_ADDR_MASK) |
11869                         EEPROM_ADDR_START |
11870                         EEPROM_ADDR_WRITE);
11871
11872                 for (j = 0; j < 1000; j++) {
11873                         val = tr32(GRC_EEPROM_ADDR);
11874
11875                         if (val & EEPROM_ADDR_COMPLETE)
11876                                 break;
11877                         msleep(1);
11878                 }
11879                 if (!(val & EEPROM_ADDR_COMPLETE)) {
11880                         rc = -EBUSY;
11881                         break;
11882                 }
11883         }
11884
11885         return rc;
11886 }
11887
11888 /* offset and length are dword aligned */
11889 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11890                 u8 *buf)
11891 {
11892         int ret = 0;
11893         u32 pagesize = tp->nvram_pagesize;
11894         u32 pagemask = pagesize - 1;
11895         u32 nvram_cmd;
11896         u8 *tmp;
11897
11898         tmp = kmalloc(pagesize, GFP_KERNEL);
11899         if (tmp == NULL)
11900                 return -ENOMEM;
11901
11902         while (len) {
11903                 int j;
11904                 u32 phy_addr, page_off, size;
11905
11906                 phy_addr = offset & ~pagemask;
11907
11908                 for (j = 0; j < pagesize; j += 4) {
11909                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
11910                                                   (__be32 *) (tmp + j));
11911                         if (ret)
11912                                 break;
11913                 }
11914                 if (ret)
11915                         break;
11916
11917                 page_off = offset & pagemask;
11918                 size = pagesize;
11919                 if (len < size)
11920                         size = len;
11921
11922                 len -= size;
11923
11924                 memcpy(tmp + page_off, buf, size);
11925
11926                 offset = offset + (pagesize - page_off);
11927
11928                 tg3_enable_nvram_access(tp);
11929
11930                 /*
11931                  * Before we can erase the flash page, we need
11932                  * to issue a special "write enable" command.
11933                  */
11934                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11935
11936                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11937                         break;
11938
11939                 /* Erase the target page */
11940                 tw32(NVRAM_ADDR, phy_addr);
11941
11942                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11943                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11944
11945                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11946                         break;
11947
11948                 /* Issue another write enable to start the write. */
11949                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11950
11951                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11952                         break;
11953
11954                 for (j = 0; j < pagesize; j += 4) {
11955                         __be32 data;
11956
11957                         data = *((__be32 *) (tmp + j));
11958
11959                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
11960
11961                         tw32(NVRAM_ADDR, phy_addr + j);
11962
11963                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11964                                 NVRAM_CMD_WR;
11965
11966                         if (j == 0)
11967                                 nvram_cmd |= NVRAM_CMD_FIRST;
11968                         else if (j == (pagesize - 4))
11969                                 nvram_cmd |= NVRAM_CMD_LAST;
11970
11971                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11972                                 break;
11973                 }
11974                 if (ret)
11975                         break;
11976         }
11977
11978         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11979         tg3_nvram_exec_cmd(tp, nvram_cmd);
11980
11981         kfree(tmp);
11982
11983         return ret;
11984 }
11985
11986 /* offset and length are dword aligned */
11987 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11988                 u8 *buf)
11989 {
11990         int i, ret = 0;
11991
11992         for (i = 0; i < len; i += 4, offset += 4) {
11993                 u32 page_off, phy_addr, nvram_cmd;
11994                 __be32 data;
11995
11996                 memcpy(&data, buf + i, 4);
11997                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11998
11999                 page_off = offset % tp->nvram_pagesize;
12000
12001                 phy_addr = tg3_nvram_phys_addr(tp, offset);
12002
12003                 tw32(NVRAM_ADDR, phy_addr);
12004
12005                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
12006
12007                 if ((page_off == 0) || (i == 0))
12008                         nvram_cmd |= NVRAM_CMD_FIRST;
12009                 if (page_off == (tp->nvram_pagesize - 4))
12010                         nvram_cmd |= NVRAM_CMD_LAST;
12011
12012                 if (i == (len - 4))
12013                         nvram_cmd |= NVRAM_CMD_LAST;
12014
12015                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
12016                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
12017                     (tp->nvram_jedecnum == JEDEC_ST) &&
12018                     (nvram_cmd & NVRAM_CMD_FIRST)) {
12019
12020                         if ((ret = tg3_nvram_exec_cmd(tp,
12021                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
12022                                 NVRAM_CMD_DONE)))
12023
12024                                 break;
12025                 }
12026                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12027                         /* We always do complete word writes to eeprom. */
12028                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
12029                 }
12030
12031                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
12032                         break;
12033         }
12034         return ret;
12035 }
12036
12037 /* offset and length are dword aligned */
12038 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
12039 {
12040         int ret;
12041
12042         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12043                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
12044                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
12045                 udelay(40);
12046         }
12047
12048         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
12049                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
12050         }
12051         else {
12052                 u32 grc_mode;
12053
12054                 ret = tg3_nvram_lock(tp);
12055                 if (ret)
12056                         return ret;
12057
12058                 tg3_enable_nvram_access(tp);
12059                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
12060                     !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
12061                         tw32(NVRAM_WRITE1, 0x406);
12062
12063                 grc_mode = tr32(GRC_MODE);
12064                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
12065
12066                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
12067                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12068
12069                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
12070                                 buf);
12071                 }
12072                 else {
12073                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
12074                                 buf);
12075                 }
12076
12077                 grc_mode = tr32(GRC_MODE);
12078                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
12079
12080                 tg3_disable_nvram_access(tp);
12081                 tg3_nvram_unlock(tp);
12082         }
12083
12084         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12085                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
12086                 udelay(40);
12087         }
12088
12089         return ret;
12090 }
12091
12092 struct subsys_tbl_ent {
12093         u16 subsys_vendor, subsys_devid;
12094         u32 phy_id;
12095 };
12096
12097 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
12098         /* Broadcom boards. */
12099         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
12100         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
12101         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
12102         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
12103         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
12104         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
12105         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
12106         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
12107         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
12108         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
12109         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
12110
12111         /* 3com boards. */
12112         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
12113         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
12114         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
12115         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
12116         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
12117
12118         /* DELL boards. */
12119         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
12120         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
12121         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
12122         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
12123
12124         /* Compaq boards. */
12125         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
12126         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
12127         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
12128         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
12129         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
12130
12131         /* IBM boards. */
12132         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
12133 };
12134
12135 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
12136 {
12137         int i;
12138
12139         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12140                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12141                      tp->pdev->subsystem_vendor) &&
12142                     (subsys_id_to_phy_id[i].subsys_devid ==
12143                      tp->pdev->subsystem_device))
12144                         return &subsys_id_to_phy_id[i];
12145         }
12146         return NULL;
12147 }
12148
12149 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
12150 {
12151         u32 val;
12152         u16 pmcsr;
12153
12154         /* On some early chips the SRAM cannot be accessed in D3hot state,
12155          * so need make sure we're in D0.
12156          */
12157         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12158         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12159         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12160         msleep(1);
12161
12162         /* Make sure register accesses (indirect or otherwise)
12163          * will function correctly.
12164          */
12165         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12166                                tp->misc_host_ctrl);
12167
12168         /* The memory arbiter has to be enabled in order for SRAM accesses
12169          * to succeed.  Normally on powerup the tg3 chip firmware will make
12170          * sure it is enabled, but other entities such as system netboot
12171          * code might disable it.
12172          */
12173         val = tr32(MEMARB_MODE);
12174         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12175
12176         tp->phy_id = PHY_ID_INVALID;
12177         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12178
12179         /* Assume an onboard device and WOL capable by default.  */
12180         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
12181
12182         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12183                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
12184                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12185                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12186                 }
12187                 val = tr32(VCPU_CFGSHDW);
12188                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
12189                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12190                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
12191                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
12192                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12193                 goto done;
12194         }
12195
12196         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12197         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12198                 u32 nic_cfg, led_cfg;
12199                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12200                 int eeprom_phy_serdes = 0;
12201
12202                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12203                 tp->nic_sram_data_cfg = nic_cfg;
12204
12205                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12206                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12207                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12208                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12209                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12210                     (ver > 0) && (ver < 0x100))
12211                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12212
12213                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12214                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12215
12216                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12217                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12218                         eeprom_phy_serdes = 1;
12219
12220                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12221                 if (nic_phy_id != 0) {
12222                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12223                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12224
12225                         eeprom_phy_id  = (id1 >> 16) << 10;
12226                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
12227                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
12228                 } else
12229                         eeprom_phy_id = 0;
12230
12231                 tp->phy_id = eeprom_phy_id;
12232                 if (eeprom_phy_serdes) {
12233                         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12234                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12235                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
12236                         else
12237                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12238                 }
12239
12240                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12241                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12242                                     SHASTA_EXT_LED_MODE_MASK);
12243                 else
12244                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12245
12246                 switch (led_cfg) {
12247                 default:
12248                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12249                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12250                         break;
12251
12252                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12253                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12254                         break;
12255
12256                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12257                         tp->led_ctrl = LED_CTRL_MODE_MAC;
12258
12259                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12260                          * read on some older 5700/5701 bootcode.
12261                          */
12262                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12263                             ASIC_REV_5700 ||
12264                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
12265                             ASIC_REV_5701)
12266                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12267
12268                         break;
12269
12270                 case SHASTA_EXT_LED_SHARED:
12271                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
12272                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12273                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12274                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12275                                                  LED_CTRL_MODE_PHY_2);
12276                         break;
12277
12278                 case SHASTA_EXT_LED_MAC:
12279                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12280                         break;
12281
12282                 case SHASTA_EXT_LED_COMBO:
12283                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
12284                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12285                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12286                                                  LED_CTRL_MODE_PHY_2);
12287                         break;
12288
12289                 }
12290
12291                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12292                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12293                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12294                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12295
12296                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12297                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12298
12299                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12300                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12301                         if ((tp->pdev->subsystem_vendor ==
12302                              PCI_VENDOR_ID_ARIMA) &&
12303                             (tp->pdev->subsystem_device == 0x205a ||
12304                              tp->pdev->subsystem_device == 0x2063))
12305                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12306                 } else {
12307                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12308                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12309                 }
12310
12311                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12312                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12313                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12314                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12315                 }
12316
12317                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12318                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12319                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12320
12321                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
12322                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12323                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12324
12325                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12326                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12327                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12328
12329                 if (cfg2 & (1 << 17))
12330                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
12331
12332                 /* serdes signal pre-emphasis in register 0x590 set by */
12333                 /* bootcode if bit 18 is set */
12334                 if (cfg2 & (1 << 18))
12335                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
12336
12337                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12338                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12339                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12340                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
12341
12342                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12343                         u32 cfg3;
12344
12345                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12346                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12347                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12348                 }
12349
12350                 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
12351                         tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
12352                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12353                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12354                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12355                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12356         }
12357 done:
12358         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12359         device_set_wakeup_enable(&tp->pdev->dev,
12360                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12361 }
12362
12363 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12364 {
12365         int i;
12366         u32 val;
12367
12368         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12369         tw32(OTP_CTRL, cmd);
12370
12371         /* Wait for up to 1 ms for command to execute. */
12372         for (i = 0; i < 100; i++) {
12373                 val = tr32(OTP_STATUS);
12374                 if (val & OTP_STATUS_CMD_DONE)
12375                         break;
12376                 udelay(10);
12377         }
12378
12379         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12380 }
12381
12382 /* Read the gphy configuration from the OTP region of the chip.  The gphy
12383  * configuration is a 32-bit value that straddles the alignment boundary.
12384  * We do two 32-bit reads and then shift and merge the results.
12385  */
12386 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12387 {
12388         u32 bhalf_otp, thalf_otp;
12389
12390         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12391
12392         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12393                 return 0;
12394
12395         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12396
12397         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12398                 return 0;
12399
12400         thalf_otp = tr32(OTP_READ_DATA);
12401
12402         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12403
12404         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12405                 return 0;
12406
12407         bhalf_otp = tr32(OTP_READ_DATA);
12408
12409         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12410 }
12411
12412 static int __devinit tg3_phy_probe(struct tg3 *tp)
12413 {
12414         u32 hw_phy_id_1, hw_phy_id_2;
12415         u32 hw_phy_id, hw_phy_id_masked;
12416         int err;
12417
12418         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12419                 return tg3_phy_init(tp);
12420
12421         /* Reading the PHY ID register can conflict with ASF
12422          * firmware access to the PHY hardware.
12423          */
12424         err = 0;
12425         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12426             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12427                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
12428         } else {
12429                 /* Now read the physical PHY_ID from the chip and verify
12430                  * that it is sane.  If it doesn't look good, we fall back
12431                  * to either the hard-coded table based PHY_ID and failing
12432                  * that the value found in the eeprom area.
12433                  */
12434                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12435                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12436
12437                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
12438                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12439                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
12440
12441                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
12442         }
12443
12444         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
12445                 tp->phy_id = hw_phy_id;
12446                 if (hw_phy_id_masked == PHY_ID_BCM8002)
12447                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12448                 else
12449                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
12450         } else {
12451                 if (tp->phy_id != PHY_ID_INVALID) {
12452                         /* Do nothing, phy ID already set up in
12453                          * tg3_get_eeprom_hw_cfg().
12454                          */
12455                 } else {
12456                         struct subsys_tbl_ent *p;
12457
12458                         /* No eeprom signature?  Try the hardcoded
12459                          * subsys device table.
12460                          */
12461                         p = lookup_by_subsys(tp);
12462                         if (!p)
12463                                 return -ENODEV;
12464
12465                         tp->phy_id = p->phy_id;
12466                         if (!tp->phy_id ||
12467                             tp->phy_id == PHY_ID_BCM8002)
12468                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12469                 }
12470         }
12471
12472         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
12473             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12474             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12475                 u32 bmsr, adv_reg, tg3_ctrl, mask;
12476
12477                 tg3_readphy(tp, MII_BMSR, &bmsr);
12478                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12479                     (bmsr & BMSR_LSTATUS))
12480                         goto skip_phy_reset;
12481
12482                 err = tg3_phy_reset(tp);
12483                 if (err)
12484                         return err;
12485
12486                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12487                            ADVERTISE_100HALF | ADVERTISE_100FULL |
12488                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12489                 tg3_ctrl = 0;
12490                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12491                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12492                                     MII_TG3_CTRL_ADV_1000_FULL);
12493                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12494                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12495                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12496                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
12497                 }
12498
12499                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12500                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12501                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12502                 if (!tg3_copper_is_advertising_all(tp, mask)) {
12503                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12504
12505                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12506                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12507
12508                         tg3_writephy(tp, MII_BMCR,
12509                                      BMCR_ANENABLE | BMCR_ANRESTART);
12510                 }
12511                 tg3_phy_set_wirespeed(tp);
12512
12513                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12514                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12515                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12516         }
12517
12518 skip_phy_reset:
12519         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
12520                 err = tg3_init_5401phy_dsp(tp);
12521                 if (err)
12522                         return err;
12523         }
12524
12525         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
12526                 err = tg3_init_5401phy_dsp(tp);
12527         }
12528
12529         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
12530                 tp->link_config.advertising =
12531                         (ADVERTISED_1000baseT_Half |
12532                          ADVERTISED_1000baseT_Full |
12533                          ADVERTISED_Autoneg |
12534                          ADVERTISED_FIBRE);
12535         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12536                 tp->link_config.advertising &=
12537                         ~(ADVERTISED_1000baseT_Half |
12538                           ADVERTISED_1000baseT_Full);
12539
12540         return err;
12541 }
12542
12543 static void __devinit tg3_read_partno(struct tg3 *tp)
12544 {
12545         unsigned char vpd_data[TG3_NVM_VPD_LEN];   /* in little-endian format */
12546         unsigned int i;
12547         u32 magic;
12548
12549         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12550             tg3_nvram_read(tp, 0x0, &magic))
12551                 goto out_not_found;
12552
12553         if (magic == TG3_EEPROM_MAGIC) {
12554                 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12555                         u32 tmp;
12556
12557                         /* The data is in little-endian format in NVRAM.
12558                          * Use the big-endian read routines to preserve
12559                          * the byte order as it exists in NVRAM.
12560                          */
12561                         if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12562                                 goto out_not_found;
12563
12564                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12565                 }
12566         } else {
12567                 ssize_t cnt;
12568                 unsigned int pos = 0, i = 0;
12569
12570                 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12571                         cnt = pci_read_vpd(tp->pdev, pos,
12572                                            TG3_NVM_VPD_LEN - pos,
12573                                            &vpd_data[pos]);
12574                         if (cnt == -ETIMEDOUT || -EINTR)
12575                                 cnt = 0;
12576                         else if (cnt < 0)
12577                                 goto out_not_found;
12578                 }
12579                 if (pos != TG3_NVM_VPD_LEN)
12580                         goto out_not_found;
12581         }
12582
12583         /* Now parse and find the part number. */
12584         for (i = 0; i < TG3_NVM_VPD_LEN - 2; ) {
12585                 unsigned char val = vpd_data[i];
12586                 unsigned int block_end;
12587
12588                 if (val == 0x82 || val == 0x91) {
12589                         i = (i + 3 +
12590                              (vpd_data[i + 1] +
12591                               (vpd_data[i + 2] << 8)));
12592                         continue;
12593                 }
12594
12595                 if (val != 0x90)
12596                         goto out_not_found;
12597
12598                 block_end = (i + 3 +
12599                              (vpd_data[i + 1] +
12600                               (vpd_data[i + 2] << 8)));
12601                 i += 3;
12602
12603                 if (block_end > TG3_NVM_VPD_LEN)
12604                         goto out_not_found;
12605
12606                 while (i < (block_end - 2)) {
12607                         if (vpd_data[i + 0] == 'P' &&
12608                             vpd_data[i + 1] == 'N') {
12609                                 int partno_len = vpd_data[i + 2];
12610
12611                                 i += 3;
12612                                 if (partno_len > TG3_BPN_SIZE ||
12613                                     (partno_len + i) > TG3_NVM_VPD_LEN)
12614                                         goto out_not_found;
12615
12616                                 memcpy(tp->board_part_number,
12617                                        &vpd_data[i], partno_len);
12618
12619                                 /* Success. */
12620                                 return;
12621                         }
12622                         i += 3 + vpd_data[i + 2];
12623                 }
12624
12625                 /* Part number not found. */
12626                 goto out_not_found;
12627         }
12628
12629 out_not_found:
12630         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12631                 strcpy(tp->board_part_number, "BCM95906");
12632         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12633                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12634                 strcpy(tp->board_part_number, "BCM57780");
12635         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12636                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12637                 strcpy(tp->board_part_number, "BCM57760");
12638         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12639                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12640                 strcpy(tp->board_part_number, "BCM57790");
12641         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12642                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12643                 strcpy(tp->board_part_number, "BCM57788");
12644         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
12645                 strcpy(tp->board_part_number, "BCM57765");
12646         else
12647                 strcpy(tp->board_part_number, "none");
12648 }
12649
12650 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12651 {
12652         u32 val;
12653
12654         if (tg3_nvram_read(tp, offset, &val) ||
12655             (val & 0xfc000000) != 0x0c000000 ||
12656             tg3_nvram_read(tp, offset + 4, &val) ||
12657             val != 0)
12658                 return 0;
12659
12660         return 1;
12661 }
12662
12663 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12664 {
12665         u32 val, offset, start, ver_offset;
12666         int i;
12667         bool newver = false;
12668
12669         if (tg3_nvram_read(tp, 0xc, &offset) ||
12670             tg3_nvram_read(tp, 0x4, &start))
12671                 return;
12672
12673         offset = tg3_nvram_logical_addr(tp, offset);
12674
12675         if (tg3_nvram_read(tp, offset, &val))
12676                 return;
12677
12678         if ((val & 0xfc000000) == 0x0c000000) {
12679                 if (tg3_nvram_read(tp, offset + 4, &val))
12680                         return;
12681
12682                 if (val == 0)
12683                         newver = true;
12684         }
12685
12686         if (newver) {
12687                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12688                         return;
12689
12690                 offset = offset + ver_offset - start;
12691                 for (i = 0; i < 16; i += 4) {
12692                         __be32 v;
12693                         if (tg3_nvram_read_be32(tp, offset + i, &v))
12694                                 return;
12695
12696                         memcpy(tp->fw_ver + i, &v, sizeof(v));
12697                 }
12698         } else {
12699                 u32 major, minor;
12700
12701                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12702                         return;
12703
12704                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12705                         TG3_NVM_BCVER_MAJSFT;
12706                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12707                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
12708         }
12709 }
12710
12711 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12712 {
12713         u32 val, major, minor;
12714
12715         /* Use native endian representation */
12716         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12717                 return;
12718
12719         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12720                 TG3_NVM_HWSB_CFG1_MAJSFT;
12721         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12722                 TG3_NVM_HWSB_CFG1_MINSFT;
12723
12724         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12725 }
12726
12727 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12728 {
12729         u32 offset, major, minor, build;
12730
12731         tp->fw_ver[0] = 's';
12732         tp->fw_ver[1] = 'b';
12733         tp->fw_ver[2] = '\0';
12734
12735         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12736                 return;
12737
12738         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12739         case TG3_EEPROM_SB_REVISION_0:
12740                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12741                 break;
12742         case TG3_EEPROM_SB_REVISION_2:
12743                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12744                 break;
12745         case TG3_EEPROM_SB_REVISION_3:
12746                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12747                 break;
12748         default:
12749                 return;
12750         }
12751
12752         if (tg3_nvram_read(tp, offset, &val))
12753                 return;
12754
12755         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12756                 TG3_EEPROM_SB_EDH_BLD_SHFT;
12757         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12758                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12759         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
12760
12761         if (minor > 99 || build > 26)
12762                 return;
12763
12764         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12765
12766         if (build > 0) {
12767                 tp->fw_ver[8] = 'a' + build - 1;
12768                 tp->fw_ver[9] = '\0';
12769         }
12770 }
12771
12772 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12773 {
12774         u32 val, offset, start;
12775         int i, vlen;
12776
12777         for (offset = TG3_NVM_DIR_START;
12778              offset < TG3_NVM_DIR_END;
12779              offset += TG3_NVM_DIRENT_SIZE) {
12780                 if (tg3_nvram_read(tp, offset, &val))
12781                         return;
12782
12783                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12784                         break;
12785         }
12786
12787         if (offset == TG3_NVM_DIR_END)
12788                 return;
12789
12790         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12791                 start = 0x08000000;
12792         else if (tg3_nvram_read(tp, offset - 4, &start))
12793                 return;
12794
12795         if (tg3_nvram_read(tp, offset + 4, &offset) ||
12796             !tg3_fw_img_is_valid(tp, offset) ||
12797             tg3_nvram_read(tp, offset + 8, &val))
12798                 return;
12799
12800         offset += val - start;
12801
12802         vlen = strlen(tp->fw_ver);
12803
12804         tp->fw_ver[vlen++] = ',';
12805         tp->fw_ver[vlen++] = ' ';
12806
12807         for (i = 0; i < 4; i++) {
12808                 __be32 v;
12809                 if (tg3_nvram_read_be32(tp, offset, &v))
12810                         return;
12811
12812                 offset += sizeof(v);
12813
12814                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12815                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12816                         break;
12817                 }
12818
12819                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12820                 vlen += sizeof(v);
12821         }
12822 }
12823
12824 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12825 {
12826         int vlen;
12827         u32 apedata;
12828
12829         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12830             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
12831                 return;
12832
12833         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12834         if (apedata != APE_SEG_SIG_MAGIC)
12835                 return;
12836
12837         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12838         if (!(apedata & APE_FW_STATUS_READY))
12839                 return;
12840
12841         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12842
12843         vlen = strlen(tp->fw_ver);
12844
12845         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12846                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12847                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12848                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12849                  (apedata & APE_FW_VERSION_BLDMSK));
12850 }
12851
12852 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12853 {
12854         u32 val;
12855
12856         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12857                 tp->fw_ver[0] = 's';
12858                 tp->fw_ver[1] = 'b';
12859                 tp->fw_ver[2] = '\0';
12860
12861                 return;
12862         }
12863
12864         if (tg3_nvram_read(tp, 0, &val))
12865                 return;
12866
12867         if (val == TG3_EEPROM_MAGIC)
12868                 tg3_read_bc_ver(tp);
12869         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12870                 tg3_read_sb_ver(tp, val);
12871         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12872                 tg3_read_hwsb_ver(tp);
12873         else
12874                 return;
12875
12876         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12877              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12878                 return;
12879
12880         tg3_read_mgmtfw_ver(tp);
12881
12882         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12883 }
12884
12885 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12886
12887 static int __devinit tg3_get_invariants(struct tg3 *tp)
12888 {
12889         static struct pci_device_id write_reorder_chipsets[] = {
12890                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12891                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12892                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12893                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12894                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12895                              PCI_DEVICE_ID_VIA_8385_0) },
12896                 { },
12897         };
12898         u32 misc_ctrl_reg;
12899         u32 pci_state_reg, grc_misc_cfg;
12900         u32 val;
12901         u16 pci_cmd;
12902         int err;
12903
12904         /* Force memory write invalidate off.  If we leave it on,
12905          * then on 5700_BX chips we have to enable a workaround.
12906          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12907          * to match the cacheline size.  The Broadcom driver have this
12908          * workaround but turns MWI off all the times so never uses
12909          * it.  This seems to suggest that the workaround is insufficient.
12910          */
12911         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12912         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12913         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12914
12915         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12916          * has the register indirect write enable bit set before
12917          * we try to access any of the MMIO registers.  It is also
12918          * critical that the PCI-X hw workaround situation is decided
12919          * before that as well.
12920          */
12921         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12922                               &misc_ctrl_reg);
12923
12924         tp->pci_chip_rev_id = (misc_ctrl_reg >>
12925                                MISC_HOST_CTRL_CHIPREV_SHIFT);
12926         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12927                 u32 prod_id_asic_rev;
12928
12929                 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12930                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12931                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
12932                         pci_read_config_dword(tp->pdev,
12933                                               TG3PCI_GEN2_PRODID_ASICREV,
12934                                               &prod_id_asic_rev);
12935                 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
12936                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
12937                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
12938                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
12939                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
12940                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12941                         pci_read_config_dword(tp->pdev,
12942                                               TG3PCI_GEN15_PRODID_ASICREV,
12943                                               &prod_id_asic_rev);
12944                 else
12945                         pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12946                                               &prod_id_asic_rev);
12947
12948                 tp->pci_chip_rev_id = prod_id_asic_rev;
12949         }
12950
12951         /* Wrong chip ID in 5752 A0. This code can be removed later
12952          * as A0 is not in production.
12953          */
12954         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12955                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12956
12957         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12958          * we need to disable memory and use config. cycles
12959          * only to access all registers. The 5702/03 chips
12960          * can mistakenly decode the special cycles from the
12961          * ICH chipsets as memory write cycles, causing corruption
12962          * of register and memory space. Only certain ICH bridges
12963          * will drive special cycles with non-zero data during the
12964          * address phase which can fall within the 5703's address
12965          * range. This is not an ICH bug as the PCI spec allows
12966          * non-zero address during special cycles. However, only
12967          * these ICH bridges are known to drive non-zero addresses
12968          * during special cycles.
12969          *
12970          * Since special cycles do not cross PCI bridges, we only
12971          * enable this workaround if the 5703 is on the secondary
12972          * bus of these ICH bridges.
12973          */
12974         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12975             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12976                 static struct tg3_dev_id {
12977                         u32     vendor;
12978                         u32     device;
12979                         u32     rev;
12980                 } ich_chipsets[] = {
12981                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12982                           PCI_ANY_ID },
12983                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12984                           PCI_ANY_ID },
12985                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12986                           0xa },
12987                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12988                           PCI_ANY_ID },
12989                         { },
12990                 };
12991                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12992                 struct pci_dev *bridge = NULL;
12993
12994                 while (pci_id->vendor != 0) {
12995                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
12996                                                 bridge);
12997                         if (!bridge) {
12998                                 pci_id++;
12999                                 continue;
13000                         }
13001                         if (pci_id->rev != PCI_ANY_ID) {
13002                                 if (bridge->revision > pci_id->rev)
13003                                         continue;
13004                         }
13005                         if (bridge->subordinate &&
13006                             (bridge->subordinate->number ==
13007                              tp->pdev->bus->number)) {
13008
13009                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
13010                                 pci_dev_put(bridge);
13011                                 break;
13012                         }
13013                 }
13014         }
13015
13016         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
13017                 static struct tg3_dev_id {
13018                         u32     vendor;
13019                         u32     device;
13020                 } bridge_chipsets[] = {
13021                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
13022                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
13023                         { },
13024                 };
13025                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
13026                 struct pci_dev *bridge = NULL;
13027
13028                 while (pci_id->vendor != 0) {
13029                         bridge = pci_get_device(pci_id->vendor,
13030                                                 pci_id->device,
13031                                                 bridge);
13032                         if (!bridge) {
13033                                 pci_id++;
13034                                 continue;
13035                         }
13036                         if (bridge->subordinate &&
13037                             (bridge->subordinate->number <=
13038                              tp->pdev->bus->number) &&
13039                             (bridge->subordinate->subordinate >=
13040                              tp->pdev->bus->number)) {
13041                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
13042                                 pci_dev_put(bridge);
13043                                 break;
13044                         }
13045                 }
13046         }
13047
13048         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
13049          * DMA addresses > 40-bit. This bridge may have other additional
13050          * 57xx devices behind it in some 4-port NIC designs for example.
13051          * Any tg3 device found behind the bridge will also need the 40-bit
13052          * DMA workaround.
13053          */
13054         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
13055             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13056                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
13057                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13058                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
13059         }
13060         else {
13061                 struct pci_dev *bridge = NULL;
13062
13063                 do {
13064                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
13065                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
13066                                                 bridge);
13067                         if (bridge && bridge->subordinate &&
13068                             (bridge->subordinate->number <=
13069                              tp->pdev->bus->number) &&
13070                             (bridge->subordinate->subordinate >=
13071                              tp->pdev->bus->number)) {
13072                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13073                                 pci_dev_put(bridge);
13074                                 break;
13075                         }
13076                 } while (bridge);
13077         }
13078
13079         /* Initialize misc host control in PCI block. */
13080         tp->misc_host_ctrl |= (misc_ctrl_reg &
13081                                MISC_HOST_CTRL_CHIPREV);
13082         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13083                                tp->misc_host_ctrl);
13084
13085         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
13086             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
13087             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13088                 tp->pdev_peer = tg3_find_peer(tp);
13089
13090         /* Intentionally exclude ASIC_REV_5906 */
13091         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13092             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13093             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13094             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13095             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13096             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13097             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13098             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13099                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
13100
13101         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13102             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13103             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13104             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13105             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13106                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
13107
13108         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
13109             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
13110                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
13111
13112         /* 5700 B0 chips do not support checksumming correctly due
13113          * to hardware bugs.
13114          */
13115         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
13116                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
13117         else {
13118                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
13119                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
13120                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
13121                         tp->dev->features |= NETIF_F_IPV6_CSUM;
13122         }
13123
13124         /* Determine TSO capabilities */
13125         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13126             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13127                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13128         else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13129                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13130                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13131         else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13132                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13133                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13134                     tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13135                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13136         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13137                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13138                    tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13139                 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13140                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13141                         tp->fw_needed = FIRMWARE_TG3TSO5;
13142                 else
13143                         tp->fw_needed = FIRMWARE_TG3TSO;
13144         }
13145
13146         tp->irq_max = 1;
13147
13148         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13149                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13150                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13151                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13152                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13153                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13154                      tp->pdev_peer == tp->pdev))
13155                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13156
13157                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13158                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13159                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
13160                 }
13161
13162                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13163                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13164                         tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13165                         tp->irq_max = TG3_IRQ_MAX_VECS;
13166                 }
13167         }
13168
13169         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13170             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13171                 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13172         else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13173                 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13174                 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13175         }
13176
13177         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13178             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13179                 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13180
13181         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13182              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13183                  (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13184                 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13185
13186         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13187                               &pci_state_reg);
13188
13189         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13190         if (tp->pcie_cap != 0) {
13191                 u16 lnkctl;
13192
13193                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13194
13195                 pcie_set_readrq(tp->pdev, 4096);
13196
13197                 pci_read_config_word(tp->pdev,
13198                                      tp->pcie_cap + PCI_EXP_LNKCTL,
13199                                      &lnkctl);
13200                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13201                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13202                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13203                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13204                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13205                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13206                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13207                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13208                 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13209                         tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13210                 }
13211         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13212                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13213         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13214                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13215                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13216                 if (!tp->pcix_cap) {
13217                         printk(KERN_ERR PFX "Cannot find PCI-X "
13218                                             "capability, aborting.\n");
13219                         return -EIO;
13220                 }
13221
13222                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13223                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13224         }
13225
13226         /* If we have an AMD 762 or VIA K8T800 chipset, write
13227          * reordering to the mailbox registers done by the host
13228          * controller can cause major troubles.  We read back from
13229          * every mailbox register write to force the writes to be
13230          * posted to the chip in order.
13231          */
13232         if (pci_dev_present(write_reorder_chipsets) &&
13233             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13234                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13235
13236         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13237                              &tp->pci_cacheline_sz);
13238         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13239                              &tp->pci_lat_timer);
13240         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13241             tp->pci_lat_timer < 64) {
13242                 tp->pci_lat_timer = 64;
13243                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13244                                       tp->pci_lat_timer);
13245         }
13246
13247         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13248                 /* 5700 BX chips need to have their TX producer index
13249                  * mailboxes written twice to workaround a bug.
13250                  */
13251                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13252
13253                 /* If we are in PCI-X mode, enable register write workaround.
13254                  *
13255                  * The workaround is to use indirect register accesses
13256                  * for all chip writes not to mailbox registers.
13257                  */
13258                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13259                         u32 pm_reg;
13260
13261                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13262
13263                         /* The chip can have it's power management PCI config
13264                          * space registers clobbered due to this bug.
13265                          * So explicitly force the chip into D0 here.
13266                          */
13267                         pci_read_config_dword(tp->pdev,
13268                                               tp->pm_cap + PCI_PM_CTRL,
13269                                               &pm_reg);
13270                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13271                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13272                         pci_write_config_dword(tp->pdev,
13273                                                tp->pm_cap + PCI_PM_CTRL,
13274                                                pm_reg);
13275
13276                         /* Also, force SERR#/PERR# in PCI command. */
13277                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13278                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13279                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13280                 }
13281         }
13282
13283         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13284                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13285         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13286                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13287
13288         /* Chip-specific fixup from Broadcom driver */
13289         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13290             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13291                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13292                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13293         }
13294
13295         /* Default fast path register access methods */
13296         tp->read32 = tg3_read32;
13297         tp->write32 = tg3_write32;
13298         tp->read32_mbox = tg3_read32;
13299         tp->write32_mbox = tg3_write32;
13300         tp->write32_tx_mbox = tg3_write32;
13301         tp->write32_rx_mbox = tg3_write32;
13302
13303         /* Various workaround register access methods */
13304         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13305                 tp->write32 = tg3_write_indirect_reg32;
13306         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13307                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13308                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13309                 /*
13310                  * Back to back register writes can cause problems on these
13311                  * chips, the workaround is to read back all reg writes
13312                  * except those to mailbox regs.
13313                  *
13314                  * See tg3_write_indirect_reg32().
13315                  */
13316                 tp->write32 = tg3_write_flush_reg32;
13317         }
13318
13319         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13320             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13321                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13322                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13323                         tp->write32_rx_mbox = tg3_write_flush_reg32;
13324         }
13325
13326         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13327                 tp->read32 = tg3_read_indirect_reg32;
13328                 tp->write32 = tg3_write_indirect_reg32;
13329                 tp->read32_mbox = tg3_read_indirect_mbox;
13330                 tp->write32_mbox = tg3_write_indirect_mbox;
13331                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13332                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13333
13334                 iounmap(tp->regs);
13335                 tp->regs = NULL;
13336
13337                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13338                 pci_cmd &= ~PCI_COMMAND_MEMORY;
13339                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13340         }
13341         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13342                 tp->read32_mbox = tg3_read32_mbox_5906;
13343                 tp->write32_mbox = tg3_write32_mbox_5906;
13344                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13345                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13346         }
13347
13348         if (tp->write32 == tg3_write_indirect_reg32 ||
13349             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13350              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13351               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13352                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13353
13354         /* Get eeprom hw config before calling tg3_set_power_state().
13355          * In particular, the TG3_FLG2_IS_NIC flag must be
13356          * determined before calling tg3_set_power_state() so that
13357          * we know whether or not to switch out of Vaux power.
13358          * When the flag is set, it means that GPIO1 is used for eeprom
13359          * write protect and also implies that it is a LOM where GPIOs
13360          * are not used to switch power.
13361          */
13362         tg3_get_eeprom_hw_cfg(tp);
13363
13364         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13365                 /* Allow reads and writes to the
13366                  * APE register and memory space.
13367                  */
13368                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13369                                  PCISTATE_ALLOW_APE_SHMEM_WR;
13370                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13371                                        pci_state_reg);
13372         }
13373
13374         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13375             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13376             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13377             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13378             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13379             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13380                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13381
13382         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13383          * GPIO1 driven high will bring 5700's external PHY out of reset.
13384          * It is also used as eeprom write protect on LOMs.
13385          */
13386         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13387         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13388             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13389                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13390                                        GRC_LCLCTRL_GPIO_OUTPUT1);
13391         /* Unused GPIO3 must be driven as output on 5752 because there
13392          * are no pull-up resistors on unused GPIO pins.
13393          */
13394         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13395                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13396
13397         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13398             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13399             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13400                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13401
13402         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13403             tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13404                 /* Turn off the debug UART. */
13405                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13406                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13407                         /* Keep VMain power. */
13408                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13409                                               GRC_LCLCTRL_GPIO_OUTPUT0;
13410         }
13411
13412         /* Force the chip into D0. */
13413         err = tg3_set_power_state(tp, PCI_D0);
13414         if (err) {
13415                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
13416                        pci_name(tp->pdev));
13417                 return err;
13418         }
13419
13420         /* Derive initial jumbo mode from MTU assigned in
13421          * ether_setup() via the alloc_etherdev() call
13422          */
13423         if (tp->dev->mtu > ETH_DATA_LEN &&
13424             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13425                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13426
13427         /* Determine WakeOnLan speed to use. */
13428         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13429             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13430             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13431             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13432                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13433         } else {
13434                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13435         }
13436
13437         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13438                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13439
13440         /* A few boards don't want Ethernet@WireSpeed phy feature */
13441         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13442             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13443              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13444              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13445             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
13446             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
13447                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13448
13449         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13450             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13451                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13452         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13453                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13454
13455         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13456             !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
13457             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13458             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13459             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
13460             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
13461                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13462                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13463                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13464                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13465                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13466                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13467                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
13468                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13469                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
13470                 } else
13471                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13472         }
13473
13474         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13475             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13476                 tp->phy_otp = tg3_read_otp_phycfg(tp);
13477                 if (tp->phy_otp == 0)
13478                         tp->phy_otp = TG3_OTP_DEFAULT;
13479         }
13480
13481         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13482                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13483         else
13484                 tp->mi_mode = MAC_MI_MODE_BASE;
13485
13486         tp->coalesce_mode = 0;
13487         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13488             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13489                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13490
13491         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13492             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13493                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13494
13495         err = tg3_mdio_init(tp);
13496         if (err)
13497                 return err;
13498
13499         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
13500             (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0 ||
13501                  (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
13502                 return -ENOTSUPP;
13503
13504         /* Initialize data/descriptor byte/word swapping. */
13505         val = tr32(GRC_MODE);
13506         val &= GRC_MODE_HOST_STACKUP;
13507         tw32(GRC_MODE, val | tp->grc_mode);
13508
13509         tg3_switch_clocks(tp);
13510
13511         /* Clear this out for sanity. */
13512         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13513
13514         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13515                               &pci_state_reg);
13516         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13517             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13518                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13519
13520                 if (chiprevid == CHIPREV_ID_5701_A0 ||
13521                     chiprevid == CHIPREV_ID_5701_B0 ||
13522                     chiprevid == CHIPREV_ID_5701_B2 ||
13523                     chiprevid == CHIPREV_ID_5701_B5) {
13524                         void __iomem *sram_base;
13525
13526                         /* Write some dummy words into the SRAM status block
13527                          * area, see if it reads back correctly.  If the return
13528                          * value is bad, force enable the PCIX workaround.
13529                          */
13530                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13531
13532                         writel(0x00000000, sram_base);
13533                         writel(0x00000000, sram_base + 4);
13534                         writel(0xffffffff, sram_base + 4);
13535                         if (readl(sram_base) != 0x00000000)
13536                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13537                 }
13538         }
13539
13540         udelay(50);
13541         tg3_nvram_init(tp);
13542
13543         grc_misc_cfg = tr32(GRC_MISC_CFG);
13544         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13545
13546         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13547             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13548              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13549                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13550
13551         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13552             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13553                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13554         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13555                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13556                                       HOSTCC_MODE_CLRTICK_TXBD);
13557
13558                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13559                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13560                                        tp->misc_host_ctrl);
13561         }
13562
13563         /* Preserve the APE MAC_MODE bits */
13564         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13565                 tp->mac_mode = tr32(MAC_MODE) |
13566                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13567         else
13568                 tp->mac_mode = TG3_DEF_MAC_MODE;
13569
13570         /* these are limited to 10/100 only */
13571         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13572              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13573             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13574              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13575              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13576               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13577               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13578             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13579              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13580               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13581               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13582             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13583             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
13584                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13585
13586         err = tg3_phy_probe(tp);
13587         if (err) {
13588                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
13589                        pci_name(tp->pdev), err);
13590                 /* ... but do not return immediately ... */
13591                 tg3_mdio_fini(tp);
13592         }
13593
13594         tg3_read_partno(tp);
13595         tg3_read_fw_ver(tp);
13596
13597         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13598                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13599         } else {
13600                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13601                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13602                 else
13603                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13604         }
13605
13606         /* 5700 {AX,BX} chips have a broken status block link
13607          * change bit implementation, so we must use the
13608          * status register in those cases.
13609          */
13610         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13611                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13612         else
13613                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13614
13615         /* The led_ctrl is set during tg3_phy_probe, here we might
13616          * have to force the link status polling mechanism based
13617          * upon subsystem IDs.
13618          */
13619         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13620             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13621             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13622                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13623                                   TG3_FLAG_USE_LINKCHG_REG);
13624         }
13625
13626         /* For all SERDES we poll the MAC status register. */
13627         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13628                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13629         else
13630                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13631
13632         tp->rx_offset = NET_IP_ALIGN;
13633         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13634             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13635                 tp->rx_offset = 0;
13636
13637         tp->rx_std_max_post = TG3_RX_RING_SIZE;
13638
13639         /* Increment the rx prod index on the rx std ring by at most
13640          * 8 for these chips to workaround hw errata.
13641          */
13642         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13643             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13644             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13645                 tp->rx_std_max_post = 8;
13646
13647         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13648                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13649                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
13650
13651         return err;
13652 }
13653
13654 #ifdef CONFIG_SPARC
13655 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13656 {
13657         struct net_device *dev = tp->dev;
13658         struct pci_dev *pdev = tp->pdev;
13659         struct device_node *dp = pci_device_to_OF_node(pdev);
13660         const unsigned char *addr;
13661         int len;
13662
13663         addr = of_get_property(dp, "local-mac-address", &len);
13664         if (addr && len == 6) {
13665                 memcpy(dev->dev_addr, addr, 6);
13666                 memcpy(dev->perm_addr, dev->dev_addr, 6);
13667                 return 0;
13668         }
13669         return -ENODEV;
13670 }
13671
13672 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13673 {
13674         struct net_device *dev = tp->dev;
13675
13676         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13677         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13678         return 0;
13679 }
13680 #endif
13681
13682 static int __devinit tg3_get_device_address(struct tg3 *tp)
13683 {
13684         struct net_device *dev = tp->dev;
13685         u32 hi, lo, mac_offset;
13686         int addr_ok = 0;
13687
13688 #ifdef CONFIG_SPARC
13689         if (!tg3_get_macaddr_sparc(tp))
13690                 return 0;
13691 #endif
13692
13693         mac_offset = 0x7c;
13694         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13695             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13696                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13697                         mac_offset = 0xcc;
13698                 if (tg3_nvram_lock(tp))
13699                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13700                 else
13701                         tg3_nvram_unlock(tp);
13702         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13703                 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13704                         mac_offset = 0xcc;
13705         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13706                 mac_offset = 0x10;
13707
13708         /* First try to get it from MAC address mailbox. */
13709         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13710         if ((hi >> 16) == 0x484b) {
13711                 dev->dev_addr[0] = (hi >>  8) & 0xff;
13712                 dev->dev_addr[1] = (hi >>  0) & 0xff;
13713
13714                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13715                 dev->dev_addr[2] = (lo >> 24) & 0xff;
13716                 dev->dev_addr[3] = (lo >> 16) & 0xff;
13717                 dev->dev_addr[4] = (lo >>  8) & 0xff;
13718                 dev->dev_addr[5] = (lo >>  0) & 0xff;
13719
13720                 /* Some old bootcode may report a 0 MAC address in SRAM */
13721                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13722         }
13723         if (!addr_ok) {
13724                 /* Next, try NVRAM. */
13725                 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13726                     !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13727                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13728                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13729                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13730                 }
13731                 /* Finally just fetch it out of the MAC control regs. */
13732                 else {
13733                         hi = tr32(MAC_ADDR_0_HIGH);
13734                         lo = tr32(MAC_ADDR_0_LOW);
13735
13736                         dev->dev_addr[5] = lo & 0xff;
13737                         dev->dev_addr[4] = (lo >> 8) & 0xff;
13738                         dev->dev_addr[3] = (lo >> 16) & 0xff;
13739                         dev->dev_addr[2] = (lo >> 24) & 0xff;
13740                         dev->dev_addr[1] = hi & 0xff;
13741                         dev->dev_addr[0] = (hi >> 8) & 0xff;
13742                 }
13743         }
13744
13745         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13746 #ifdef CONFIG_SPARC
13747                 if (!tg3_get_default_macaddr_sparc(tp))
13748                         return 0;
13749 #endif
13750                 return -EINVAL;
13751         }
13752         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13753         return 0;
13754 }
13755
13756 #define BOUNDARY_SINGLE_CACHELINE       1
13757 #define BOUNDARY_MULTI_CACHELINE        2
13758
13759 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13760 {
13761         int cacheline_size;
13762         u8 byte;
13763         int goal;
13764
13765         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13766         if (byte == 0)
13767                 cacheline_size = 1024;
13768         else
13769                 cacheline_size = (int) byte * 4;
13770
13771         /* On 5703 and later chips, the boundary bits have no
13772          * effect.
13773          */
13774         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13775             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13776             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13777                 goto out;
13778
13779 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13780         goal = BOUNDARY_MULTI_CACHELINE;
13781 #else
13782 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13783         goal = BOUNDARY_SINGLE_CACHELINE;
13784 #else
13785         goal = 0;
13786 #endif
13787 #endif
13788
13789         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13790             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13791                 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13792                 goto out;
13793         }
13794
13795         if (!goal)
13796                 goto out;
13797
13798         /* PCI controllers on most RISC systems tend to disconnect
13799          * when a device tries to burst across a cache-line boundary.
13800          * Therefore, letting tg3 do so just wastes PCI bandwidth.
13801          *
13802          * Unfortunately, for PCI-E there are only limited
13803          * write-side controls for this, and thus for reads
13804          * we will still get the disconnects.  We'll also waste
13805          * these PCI cycles for both read and write for chips
13806          * other than 5700 and 5701 which do not implement the
13807          * boundary bits.
13808          */
13809         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13810             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13811                 switch (cacheline_size) {
13812                 case 16:
13813                 case 32:
13814                 case 64:
13815                 case 128:
13816                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13817                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13818                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13819                         } else {
13820                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13821                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13822                         }
13823                         break;
13824
13825                 case 256:
13826                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13827                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13828                         break;
13829
13830                 default:
13831                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13832                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13833                         break;
13834                 }
13835         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13836                 switch (cacheline_size) {
13837                 case 16:
13838                 case 32:
13839                 case 64:
13840                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13841                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13842                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13843                                 break;
13844                         }
13845                         /* fallthrough */
13846                 case 128:
13847                 default:
13848                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13849                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13850                         break;
13851                 }
13852         } else {
13853                 switch (cacheline_size) {
13854                 case 16:
13855                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13856                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13857                                         DMA_RWCTRL_WRITE_BNDRY_16);
13858                                 break;
13859                         }
13860                         /* fallthrough */
13861                 case 32:
13862                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13863                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13864                                         DMA_RWCTRL_WRITE_BNDRY_32);
13865                                 break;
13866                         }
13867                         /* fallthrough */
13868                 case 64:
13869                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13870                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13871                                         DMA_RWCTRL_WRITE_BNDRY_64);
13872                                 break;
13873                         }
13874                         /* fallthrough */
13875                 case 128:
13876                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13877                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13878                                         DMA_RWCTRL_WRITE_BNDRY_128);
13879                                 break;
13880                         }
13881                         /* fallthrough */
13882                 case 256:
13883                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
13884                                 DMA_RWCTRL_WRITE_BNDRY_256);
13885                         break;
13886                 case 512:
13887                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
13888                                 DMA_RWCTRL_WRITE_BNDRY_512);
13889                         break;
13890                 case 1024:
13891                 default:
13892                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13893                                 DMA_RWCTRL_WRITE_BNDRY_1024);
13894                         break;
13895                 }
13896         }
13897
13898 out:
13899         return val;
13900 }
13901
13902 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13903 {
13904         struct tg3_internal_buffer_desc test_desc;
13905         u32 sram_dma_descs;
13906         int i, ret;
13907
13908         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13909
13910         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13911         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13912         tw32(RDMAC_STATUS, 0);
13913         tw32(WDMAC_STATUS, 0);
13914
13915         tw32(BUFMGR_MODE, 0);
13916         tw32(FTQ_RESET, 0);
13917
13918         test_desc.addr_hi = ((u64) buf_dma) >> 32;
13919         test_desc.addr_lo = buf_dma & 0xffffffff;
13920         test_desc.nic_mbuf = 0x00002100;
13921         test_desc.len = size;
13922
13923         /*
13924          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13925          * the *second* time the tg3 driver was getting loaded after an
13926          * initial scan.
13927          *
13928          * Broadcom tells me:
13929          *   ...the DMA engine is connected to the GRC block and a DMA
13930          *   reset may affect the GRC block in some unpredictable way...
13931          *   The behavior of resets to individual blocks has not been tested.
13932          *
13933          * Broadcom noted the GRC reset will also reset all sub-components.
13934          */
13935         if (to_device) {
13936                 test_desc.cqid_sqid = (13 << 8) | 2;
13937
13938                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13939                 udelay(40);
13940         } else {
13941                 test_desc.cqid_sqid = (16 << 8) | 7;
13942
13943                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13944                 udelay(40);
13945         }
13946         test_desc.flags = 0x00000005;
13947
13948         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13949                 u32 val;
13950
13951                 val = *(((u32 *)&test_desc) + i);
13952                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13953                                        sram_dma_descs + (i * sizeof(u32)));
13954                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13955         }
13956         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13957
13958         if (to_device) {
13959                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13960         } else {
13961                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13962         }
13963
13964         ret = -ENODEV;
13965         for (i = 0; i < 40; i++) {
13966                 u32 val;
13967
13968                 if (to_device)
13969                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13970                 else
13971                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13972                 if ((val & 0xffff) == sram_dma_descs) {
13973                         ret = 0;
13974                         break;
13975                 }
13976
13977                 udelay(100);
13978         }
13979
13980         return ret;
13981 }
13982
13983 #define TEST_BUFFER_SIZE        0x2000
13984
13985 static int __devinit tg3_test_dma(struct tg3 *tp)
13986 {
13987         dma_addr_t buf_dma;
13988         u32 *buf, saved_dma_rwctrl;
13989         int ret = 0;
13990
13991         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13992         if (!buf) {
13993                 ret = -ENOMEM;
13994                 goto out_nofree;
13995         }
13996
13997         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13998                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13999
14000         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
14001
14002         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14003             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
14004                 goto out;
14005
14006         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14007                 /* DMA read watermark not used on PCIE */
14008                 tp->dma_rwctrl |= 0x00180000;
14009         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
14010                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
14011                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
14012                         tp->dma_rwctrl |= 0x003f0000;
14013                 else
14014                         tp->dma_rwctrl |= 0x003f000f;
14015         } else {
14016                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14017                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
14018                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
14019                         u32 read_water = 0x7;
14020
14021                         /* If the 5704 is behind the EPB bridge, we can
14022                          * do the less restrictive ONE_DMA workaround for
14023                          * better performance.
14024                          */
14025                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
14026                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14027                                 tp->dma_rwctrl |= 0x8000;
14028                         else if (ccval == 0x6 || ccval == 0x7)
14029                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
14030
14031                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
14032                                 read_water = 4;
14033                         /* Set bit 23 to enable PCIX hw bug fix */
14034                         tp->dma_rwctrl |=
14035                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
14036                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
14037                                 (1 << 23);
14038                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
14039                         /* 5780 always in PCIX mode */
14040                         tp->dma_rwctrl |= 0x00144000;
14041                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
14042                         /* 5714 always in PCIX mode */
14043                         tp->dma_rwctrl |= 0x00148000;
14044                 } else {
14045                         tp->dma_rwctrl |= 0x001b000f;
14046                 }
14047         }
14048
14049         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14050             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14051                 tp->dma_rwctrl &= 0xfffffff0;
14052
14053         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
14054             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
14055                 /* Remove this if it causes problems for some boards. */
14056                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
14057
14058                 /* On 5700/5701 chips, we need to set this bit.
14059                  * Otherwise the chip will issue cacheline transactions
14060                  * to streamable DMA memory with not all the byte
14061                  * enables turned on.  This is an error on several
14062                  * RISC PCI controllers, in particular sparc64.
14063                  *
14064                  * On 5703/5704 chips, this bit has been reassigned
14065                  * a different meaning.  In particular, it is used
14066                  * on those chips to enable a PCI-X workaround.
14067                  */
14068                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
14069         }
14070
14071         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14072
14073 #if 0
14074         /* Unneeded, already done by tg3_get_invariants.  */
14075         tg3_switch_clocks(tp);
14076 #endif
14077
14078         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
14079             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
14080                 goto out;
14081
14082         /* It is best to perform DMA test with maximum write burst size
14083          * to expose the 5700/5701 write DMA bug.
14084          */
14085         saved_dma_rwctrl = tp->dma_rwctrl;
14086         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14087         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14088
14089         while (1) {
14090                 u32 *p = buf, i;
14091
14092                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
14093                         p[i] = i;
14094
14095                 /* Send the buffer to the chip. */
14096                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
14097                 if (ret) {
14098                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
14099                         break;
14100                 }
14101
14102 #if 0
14103                 /* validate data reached card RAM correctly. */
14104                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14105                         u32 val;
14106                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
14107                         if (le32_to_cpu(val) != p[i]) {
14108                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
14109                                 /* ret = -ENODEV here? */
14110                         }
14111                         p[i] = 0;
14112                 }
14113 #endif
14114                 /* Now read it back. */
14115                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
14116                 if (ret) {
14117                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
14118
14119                         break;
14120                 }
14121
14122                 /* Verify it. */
14123                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14124                         if (p[i] == i)
14125                                 continue;
14126
14127                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14128                             DMA_RWCTRL_WRITE_BNDRY_16) {
14129                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14130                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14131                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14132                                 break;
14133                         } else {
14134                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
14135                                 ret = -ENODEV;
14136                                 goto out;
14137                         }
14138                 }
14139
14140                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14141                         /* Success. */
14142                         ret = 0;
14143                         break;
14144                 }
14145         }
14146         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14147             DMA_RWCTRL_WRITE_BNDRY_16) {
14148                 static struct pci_device_id dma_wait_state_chipsets[] = {
14149                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14150                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14151                         { },
14152                 };
14153
14154                 /* DMA test passed without adjusting DMA boundary,
14155                  * now look for chipsets that are known to expose the
14156                  * DMA bug without failing the test.
14157                  */
14158                 if (pci_dev_present(dma_wait_state_chipsets)) {
14159                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14160                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14161                 }
14162                 else
14163                         /* Safe to use the calculated DMA boundary. */
14164                         tp->dma_rwctrl = saved_dma_rwctrl;
14165
14166                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14167         }
14168
14169 out:
14170         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14171 out_nofree:
14172         return ret;
14173 }
14174
14175 static void __devinit tg3_init_link_config(struct tg3 *tp)
14176 {
14177         tp->link_config.advertising =
14178                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14179                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14180                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14181                  ADVERTISED_Autoneg | ADVERTISED_MII);
14182         tp->link_config.speed = SPEED_INVALID;
14183         tp->link_config.duplex = DUPLEX_INVALID;
14184         tp->link_config.autoneg = AUTONEG_ENABLE;
14185         tp->link_config.active_speed = SPEED_INVALID;
14186         tp->link_config.active_duplex = DUPLEX_INVALID;
14187         tp->link_config.phy_is_low_power = 0;
14188         tp->link_config.orig_speed = SPEED_INVALID;
14189         tp->link_config.orig_duplex = DUPLEX_INVALID;
14190         tp->link_config.orig_autoneg = AUTONEG_INVALID;
14191 }
14192
14193 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14194 {
14195         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14196             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
14197                 tp->bufmgr_config.mbuf_read_dma_low_water =
14198                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14199                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14200                         DEFAULT_MB_MACRX_LOW_WATER_57765;
14201                 tp->bufmgr_config.mbuf_high_water =
14202                         DEFAULT_MB_HIGH_WATER_57765;
14203
14204                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14205                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14206                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14207                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14208                 tp->bufmgr_config.mbuf_high_water_jumbo =
14209                         DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14210         } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14211                 tp->bufmgr_config.mbuf_read_dma_low_water =
14212                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14213                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14214                         DEFAULT_MB_MACRX_LOW_WATER_5705;
14215                 tp->bufmgr_config.mbuf_high_water =
14216                         DEFAULT_MB_HIGH_WATER_5705;
14217                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14218                         tp->bufmgr_config.mbuf_mac_rx_low_water =
14219                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
14220                         tp->bufmgr_config.mbuf_high_water =
14221                                 DEFAULT_MB_HIGH_WATER_5906;
14222                 }
14223
14224                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14225                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14226                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14227                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14228                 tp->bufmgr_config.mbuf_high_water_jumbo =
14229                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14230         } else {
14231                 tp->bufmgr_config.mbuf_read_dma_low_water =
14232                         DEFAULT_MB_RDMA_LOW_WATER;
14233                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14234                         DEFAULT_MB_MACRX_LOW_WATER;
14235                 tp->bufmgr_config.mbuf_high_water =
14236                         DEFAULT_MB_HIGH_WATER;
14237
14238                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14239                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14240                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14241                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14242                 tp->bufmgr_config.mbuf_high_water_jumbo =
14243                         DEFAULT_MB_HIGH_WATER_JUMBO;
14244         }
14245
14246         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14247         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14248 }
14249
14250 static char * __devinit tg3_phy_string(struct tg3 *tp)
14251 {
14252         switch (tp->phy_id & PHY_ID_MASK) {
14253         case PHY_ID_BCM5400:    return "5400";
14254         case PHY_ID_BCM5401:    return "5401";
14255         case PHY_ID_BCM5411:    return "5411";
14256         case PHY_ID_BCM5701:    return "5701";
14257         case PHY_ID_BCM5703:    return "5703";
14258         case PHY_ID_BCM5704:    return "5704";
14259         case PHY_ID_BCM5705:    return "5705";
14260         case PHY_ID_BCM5750:    return "5750";
14261         case PHY_ID_BCM5752:    return "5752";
14262         case PHY_ID_BCM5714:    return "5714";
14263         case PHY_ID_BCM5780:    return "5780";
14264         case PHY_ID_BCM5755:    return "5755";
14265         case PHY_ID_BCM5787:    return "5787";
14266         case PHY_ID_BCM5784:    return "5784";
14267         case PHY_ID_BCM5756:    return "5722/5756";
14268         case PHY_ID_BCM5906:    return "5906";
14269         case PHY_ID_BCM5761:    return "5761";
14270         case PHY_ID_BCM5718C:   return "5718C";
14271         case PHY_ID_BCM5718S:   return "5718S";
14272         case PHY_ID_BCM57765:   return "57765";
14273         case PHY_ID_BCM8002:    return "8002/serdes";
14274         case 0:                 return "serdes";
14275         default:                return "unknown";
14276         }
14277 }
14278
14279 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14280 {
14281         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14282                 strcpy(str, "PCI Express");
14283                 return str;
14284         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14285                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14286
14287                 strcpy(str, "PCIX:");
14288
14289                 if ((clock_ctrl == 7) ||
14290                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14291                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14292                         strcat(str, "133MHz");
14293                 else if (clock_ctrl == 0)
14294                         strcat(str, "33MHz");
14295                 else if (clock_ctrl == 2)
14296                         strcat(str, "50MHz");
14297                 else if (clock_ctrl == 4)
14298                         strcat(str, "66MHz");
14299                 else if (clock_ctrl == 6)
14300                         strcat(str, "100MHz");
14301         } else {
14302                 strcpy(str, "PCI:");
14303                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14304                         strcat(str, "66MHz");
14305                 else
14306                         strcat(str, "33MHz");
14307         }
14308         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14309                 strcat(str, ":32-bit");
14310         else
14311                 strcat(str, ":64-bit");
14312         return str;
14313 }
14314
14315 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14316 {
14317         struct pci_dev *peer;
14318         unsigned int func, devnr = tp->pdev->devfn & ~7;
14319
14320         for (func = 0; func < 8; func++) {
14321                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14322                 if (peer && peer != tp->pdev)
14323                         break;
14324                 pci_dev_put(peer);
14325         }
14326         /* 5704 can be configured in single-port mode, set peer to
14327          * tp->pdev in that case.
14328          */
14329         if (!peer) {
14330                 peer = tp->pdev;
14331                 return peer;
14332         }
14333
14334         /*
14335          * We don't need to keep the refcount elevated; there's no way
14336          * to remove one half of this device without removing the other
14337          */
14338         pci_dev_put(peer);
14339
14340         return peer;
14341 }
14342
14343 static void __devinit tg3_init_coal(struct tg3 *tp)
14344 {
14345         struct ethtool_coalesce *ec = &tp->coal;
14346
14347         memset(ec, 0, sizeof(*ec));
14348         ec->cmd = ETHTOOL_GCOALESCE;
14349         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14350         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14351         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14352         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14353         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14354         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14355         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14356         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14357         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14358
14359         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14360                                  HOSTCC_MODE_CLRTICK_TXBD)) {
14361                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14362                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14363                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14364                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14365         }
14366
14367         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14368                 ec->rx_coalesce_usecs_irq = 0;
14369                 ec->tx_coalesce_usecs_irq = 0;
14370                 ec->stats_block_coalesce_usecs = 0;
14371         }
14372 }
14373
14374 static const struct net_device_ops tg3_netdev_ops = {
14375         .ndo_open               = tg3_open,
14376         .ndo_stop               = tg3_close,
14377         .ndo_start_xmit         = tg3_start_xmit,
14378         .ndo_get_stats          = tg3_get_stats,
14379         .ndo_validate_addr      = eth_validate_addr,
14380         .ndo_set_multicast_list = tg3_set_rx_mode,
14381         .ndo_set_mac_address    = tg3_set_mac_addr,
14382         .ndo_do_ioctl           = tg3_ioctl,
14383         .ndo_tx_timeout         = tg3_tx_timeout,
14384         .ndo_change_mtu         = tg3_change_mtu,
14385 #if TG3_VLAN_TAG_USED
14386         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14387 #endif
14388 #ifdef CONFIG_NET_POLL_CONTROLLER
14389         .ndo_poll_controller    = tg3_poll_controller,
14390 #endif
14391 };
14392
14393 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14394         .ndo_open               = tg3_open,
14395         .ndo_stop               = tg3_close,
14396         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
14397         .ndo_get_stats          = tg3_get_stats,
14398         .ndo_validate_addr      = eth_validate_addr,
14399         .ndo_set_multicast_list = tg3_set_rx_mode,
14400         .ndo_set_mac_address    = tg3_set_mac_addr,
14401         .ndo_do_ioctl           = tg3_ioctl,
14402         .ndo_tx_timeout         = tg3_tx_timeout,
14403         .ndo_change_mtu         = tg3_change_mtu,
14404 #if TG3_VLAN_TAG_USED
14405         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14406 #endif
14407 #ifdef CONFIG_NET_POLL_CONTROLLER
14408         .ndo_poll_controller    = tg3_poll_controller,
14409 #endif
14410 };
14411
14412 static int __devinit tg3_init_one(struct pci_dev *pdev,
14413                                   const struct pci_device_id *ent)
14414 {
14415         static int tg3_version_printed = 0;
14416         struct net_device *dev;
14417         struct tg3 *tp;
14418         int i, err, pm_cap;
14419         u32 sndmbx, rcvmbx, intmbx;
14420         char str[40];
14421         u64 dma_mask, persist_dma_mask;
14422
14423         if (tg3_version_printed++ == 0)
14424                 printk(KERN_INFO "%s", version);
14425
14426         err = pci_enable_device(pdev);
14427         if (err) {
14428                 printk(KERN_ERR PFX "Cannot enable PCI device, "
14429                        "aborting.\n");
14430                 return err;
14431         }
14432
14433         err = pci_request_regions(pdev, DRV_MODULE_NAME);
14434         if (err) {
14435                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
14436                        "aborting.\n");
14437                 goto err_out_disable_pdev;
14438         }
14439
14440         pci_set_master(pdev);
14441
14442         /* Find power-management capability. */
14443         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14444         if (pm_cap == 0) {
14445                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
14446                        "aborting.\n");
14447                 err = -EIO;
14448                 goto err_out_free_res;
14449         }
14450
14451         dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14452         if (!dev) {
14453                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
14454                 err = -ENOMEM;
14455                 goto err_out_free_res;
14456         }
14457
14458         SET_NETDEV_DEV(dev, &pdev->dev);
14459
14460 #if TG3_VLAN_TAG_USED
14461         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14462 #endif
14463
14464         tp = netdev_priv(dev);
14465         tp->pdev = pdev;
14466         tp->dev = dev;
14467         tp->pm_cap = pm_cap;
14468         tp->rx_mode = TG3_DEF_RX_MODE;
14469         tp->tx_mode = TG3_DEF_TX_MODE;
14470
14471         if (tg3_debug > 0)
14472                 tp->msg_enable = tg3_debug;
14473         else
14474                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14475
14476         /* The word/byte swap controls here control register access byte
14477          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
14478          * setting below.
14479          */
14480         tp->misc_host_ctrl =
14481                 MISC_HOST_CTRL_MASK_PCI_INT |
14482                 MISC_HOST_CTRL_WORD_SWAP |
14483                 MISC_HOST_CTRL_INDIR_ACCESS |
14484                 MISC_HOST_CTRL_PCISTATE_RW;
14485
14486         /* The NONFRM (non-frame) byte/word swap controls take effect
14487          * on descriptor entries, anything which isn't packet data.
14488          *
14489          * The StrongARM chips on the board (one for tx, one for rx)
14490          * are running in big-endian mode.
14491          */
14492         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14493                         GRC_MODE_WSWAP_NONFRM_DATA);
14494 #ifdef __BIG_ENDIAN
14495         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14496 #endif
14497         spin_lock_init(&tp->lock);
14498         spin_lock_init(&tp->indirect_lock);
14499         INIT_WORK(&tp->reset_task, tg3_reset_task);
14500
14501         tp->regs = pci_ioremap_bar(pdev, BAR_0);
14502         if (!tp->regs) {
14503                 printk(KERN_ERR PFX "Cannot map device registers, "
14504                        "aborting.\n");
14505                 err = -ENOMEM;
14506                 goto err_out_free_dev;
14507         }
14508
14509         tg3_init_link_config(tp);
14510
14511         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14512         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14513
14514         dev->ethtool_ops = &tg3_ethtool_ops;
14515         dev->watchdog_timeo = TG3_TX_TIMEOUT;
14516         dev->irq = pdev->irq;
14517
14518         err = tg3_get_invariants(tp);
14519         if (err) {
14520                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
14521                        "aborting.\n");
14522                 goto err_out_iounmap;
14523         }
14524
14525         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14526             tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
14527                 dev->netdev_ops = &tg3_netdev_ops;
14528         else
14529                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14530
14531
14532         /* The EPB bridge inside 5714, 5715, and 5780 and any
14533          * device behind the EPB cannot support DMA addresses > 40-bit.
14534          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14535          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14536          * do DMA address check in tg3_start_xmit().
14537          */
14538         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14539                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14540         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14541                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14542 #ifdef CONFIG_HIGHMEM
14543                 dma_mask = DMA_BIT_MASK(64);
14544 #endif
14545         } else
14546                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14547
14548         /* Configure DMA attributes. */
14549         if (dma_mask > DMA_BIT_MASK(32)) {
14550                 err = pci_set_dma_mask(pdev, dma_mask);
14551                 if (!err) {
14552                         dev->features |= NETIF_F_HIGHDMA;
14553                         err = pci_set_consistent_dma_mask(pdev,
14554                                                           persist_dma_mask);
14555                         if (err < 0) {
14556                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
14557                                        "DMA for consistent allocations\n");
14558                                 goto err_out_iounmap;
14559                         }
14560                 }
14561         }
14562         if (err || dma_mask == DMA_BIT_MASK(32)) {
14563                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14564                 if (err) {
14565                         printk(KERN_ERR PFX "No usable DMA configuration, "
14566                                "aborting.\n");
14567                         goto err_out_iounmap;
14568                 }
14569         }
14570
14571         tg3_init_bufmgr_config(tp);
14572
14573         /* Selectively allow TSO based on operating conditions */
14574         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14575             (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14576                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14577         else {
14578                 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14579                 tp->fw_needed = NULL;
14580         }
14581
14582         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14583                 tp->fw_needed = FIRMWARE_TG3;
14584
14585         /* TSO is on by default on chips that support hardware TSO.
14586          * Firmware TSO on older chips gives lower performance, so it
14587          * is off by default, but can be enabled using ethtool.
14588          */
14589         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14590             (dev->features & NETIF_F_IP_CSUM))
14591                 dev->features |= NETIF_F_TSO;
14592
14593         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14594             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14595                 if (dev->features & NETIF_F_IPV6_CSUM)
14596                         dev->features |= NETIF_F_TSO6;
14597                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14598                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14599                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14600                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14601                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14602                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
14603                         dev->features |= NETIF_F_TSO_ECN;
14604         }
14605
14606         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14607             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14608             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14609                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14610                 tp->rx_pending = 63;
14611         }
14612
14613         err = tg3_get_device_address(tp);
14614         if (err) {
14615                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
14616                        "aborting.\n");
14617                 goto err_out_iounmap;
14618         }
14619
14620         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14621                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14622                 if (!tp->aperegs) {
14623                         printk(KERN_ERR PFX "Cannot map APE registers, "
14624                                "aborting.\n");
14625                         err = -ENOMEM;
14626                         goto err_out_iounmap;
14627                 }
14628
14629                 tg3_ape_lock_init(tp);
14630
14631                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14632                         tg3_read_dash_ver(tp);
14633         }
14634
14635         /*
14636          * Reset chip in case UNDI or EFI driver did not shutdown
14637          * DMA self test will enable WDMAC and we'll see (spurious)
14638          * pending DMA on the PCI bus at that point.
14639          */
14640         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14641             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14642                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14643                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14644         }
14645
14646         err = tg3_test_dma(tp);
14647         if (err) {
14648                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
14649                 goto err_out_apeunmap;
14650         }
14651
14652         /* flow control autonegotiation is default behavior */
14653         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14654         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14655
14656         intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14657         rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14658         sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14659         for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14660                 struct tg3_napi *tnapi = &tp->napi[i];
14661
14662                 tnapi->tp = tp;
14663                 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14664
14665                 tnapi->int_mbox = intmbx;
14666                 if (i < 4)
14667                         intmbx += 0x8;
14668                 else
14669                         intmbx += 0x4;
14670
14671                 tnapi->consmbox = rcvmbx;
14672                 tnapi->prodmbox = sndmbx;
14673
14674                 if (i) {
14675                         tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14676                         netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14677                 } else {
14678                         tnapi->coal_now = HOSTCC_MODE_NOW;
14679                         netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14680                 }
14681
14682                 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14683                         break;
14684
14685                 /*
14686                  * If we support MSIX, we'll be using RSS.  If we're using
14687                  * RSS, the first vector only handles link interrupts and the
14688                  * remaining vectors handle rx and tx interrupts.  Reuse the
14689                  * mailbox values for the next iteration.  The values we setup
14690                  * above are still useful for the single vectored mode.
14691                  */
14692                 if (!i)
14693                         continue;
14694
14695                 rcvmbx += 0x8;
14696
14697                 if (sndmbx & 0x4)
14698                         sndmbx -= 0x4;
14699                 else
14700                         sndmbx += 0xc;
14701         }
14702
14703         tg3_init_coal(tp);
14704
14705         pci_set_drvdata(pdev, dev);
14706
14707         err = register_netdev(dev);
14708         if (err) {
14709                 printk(KERN_ERR PFX "Cannot register net device, "
14710                        "aborting.\n");
14711                 goto err_out_apeunmap;
14712         }
14713
14714         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14715                dev->name,
14716                tp->board_part_number,
14717                tp->pci_chip_rev_id,
14718                tg3_bus_string(tp, str),
14719                dev->dev_addr);
14720
14721         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14722                 struct phy_device *phydev;
14723                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14724                 printk(KERN_INFO
14725                        "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14726                        tp->dev->name, phydev->drv->name,
14727                        dev_name(&phydev->dev));
14728         } else
14729                 printk(KERN_INFO
14730                        "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14731                        tp->dev->name, tg3_phy_string(tp),
14732                        ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14733                         ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14734                          "10/100/1000Base-T")),
14735                        (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14736
14737         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14738                dev->name,
14739                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14740                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14741                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14742                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14743                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14744         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14745                dev->name, tp->dma_rwctrl,
14746                (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
14747                 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
14748
14749         return 0;
14750
14751 err_out_apeunmap:
14752         if (tp->aperegs) {
14753                 iounmap(tp->aperegs);
14754                 tp->aperegs = NULL;
14755         }
14756
14757 err_out_iounmap:
14758         if (tp->regs) {
14759                 iounmap(tp->regs);
14760                 tp->regs = NULL;
14761         }
14762
14763 err_out_free_dev:
14764         free_netdev(dev);
14765
14766 err_out_free_res:
14767         pci_release_regions(pdev);
14768
14769 err_out_disable_pdev:
14770         pci_disable_device(pdev);
14771         pci_set_drvdata(pdev, NULL);
14772         return err;
14773 }
14774
14775 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14776 {
14777         struct net_device *dev = pci_get_drvdata(pdev);
14778
14779         if (dev) {
14780                 struct tg3 *tp = netdev_priv(dev);
14781
14782                 if (tp->fw)
14783                         release_firmware(tp->fw);
14784
14785                 flush_scheduled_work();
14786
14787                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14788                         tg3_phy_fini(tp);
14789                         tg3_mdio_fini(tp);
14790                 }
14791
14792                 unregister_netdev(dev);
14793                 if (tp->aperegs) {
14794                         iounmap(tp->aperegs);
14795                         tp->aperegs = NULL;
14796                 }
14797                 if (tp->regs) {
14798                         iounmap(tp->regs);
14799                         tp->regs = NULL;
14800                 }
14801                 free_netdev(dev);
14802                 pci_release_regions(pdev);
14803                 pci_disable_device(pdev);
14804                 pci_set_drvdata(pdev, NULL);
14805         }
14806 }
14807
14808 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14809 {
14810         struct net_device *dev = pci_get_drvdata(pdev);
14811         struct tg3 *tp = netdev_priv(dev);
14812         pci_power_t target_state;
14813         int err;
14814
14815         /* PCI register 4 needs to be saved whether netif_running() or not.
14816          * MSI address and data need to be saved if using MSI and
14817          * netif_running().
14818          */
14819         pci_save_state(pdev);
14820
14821         if (!netif_running(dev))
14822                 return 0;
14823
14824         flush_scheduled_work();
14825         tg3_phy_stop(tp);
14826         tg3_netif_stop(tp);
14827
14828         del_timer_sync(&tp->timer);
14829
14830         tg3_full_lock(tp, 1);
14831         tg3_disable_ints(tp);
14832         tg3_full_unlock(tp);
14833
14834         netif_device_detach(dev);
14835
14836         tg3_full_lock(tp, 0);
14837         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14838         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14839         tg3_full_unlock(tp);
14840
14841         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14842
14843         err = tg3_set_power_state(tp, target_state);
14844         if (err) {
14845                 int err2;
14846
14847                 tg3_full_lock(tp, 0);
14848
14849                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14850                 err2 = tg3_restart_hw(tp, 1);
14851                 if (err2)
14852                         goto out;
14853
14854                 tp->timer.expires = jiffies + tp->timer_offset;
14855                 add_timer(&tp->timer);
14856
14857                 netif_device_attach(dev);
14858                 tg3_netif_start(tp);
14859
14860 out:
14861                 tg3_full_unlock(tp);
14862
14863                 if (!err2)
14864                         tg3_phy_start(tp);
14865         }
14866
14867         return err;
14868 }
14869
14870 static int tg3_resume(struct pci_dev *pdev)
14871 {
14872         struct net_device *dev = pci_get_drvdata(pdev);
14873         struct tg3 *tp = netdev_priv(dev);
14874         int err;
14875
14876         pci_restore_state(tp->pdev);
14877
14878         if (!netif_running(dev))
14879                 return 0;
14880
14881         err = tg3_set_power_state(tp, PCI_D0);
14882         if (err)
14883                 return err;
14884
14885         netif_device_attach(dev);
14886
14887         tg3_full_lock(tp, 0);
14888
14889         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14890         err = tg3_restart_hw(tp, 1);
14891         if (err)
14892                 goto out;
14893
14894         tp->timer.expires = jiffies + tp->timer_offset;
14895         add_timer(&tp->timer);
14896
14897         tg3_netif_start(tp);
14898
14899 out:
14900         tg3_full_unlock(tp);
14901
14902         if (!err)
14903                 tg3_phy_start(tp);
14904
14905         return err;
14906 }
14907
14908 static struct pci_driver tg3_driver = {
14909         .name           = DRV_MODULE_NAME,
14910         .id_table       = tg3_pci_tbl,
14911         .probe          = tg3_init_one,
14912         .remove         = __devexit_p(tg3_remove_one),
14913         .suspend        = tg3_suspend,
14914         .resume         = tg3_resume
14915 };
14916
14917 static int __init tg3_init(void)
14918 {
14919         return pci_register_driver(&tg3_driver);
14920 }
14921
14922 static void __exit tg3_cleanup(void)
14923 {
14924         pci_unregister_driver(&tg3_driver);
14925 }
14926
14927 module_init(tg3_init);
14928 module_exit(tg3_cleanup);