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  10  *      Derived from proprietary unpublished source code,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 DRV_MODULE_VERSION      "3.109"
  71 #define DRV_MODULE_RELDATE      "April 2, 2010"
  72
  73 #define TG3_DEF_MAC_MODE        0
  74 #define TG3_DEF_RX_MODE         0
  75 #define TG3_DEF_TX_MODE         0
  76 #define TG3_DEF_MSG_ENABLE        \
  77         (NETIF_MSG_DRV          | \
  78          NETIF_MSG_PROBE        | \
  79          NETIF_MSG_LINK         | \
  80          NETIF_MSG_TIMER        | \
  81          NETIF_MSG_IFDOWN       | \
  82          NETIF_MSG_IFUP         | \
  83          NETIF_MSG_RX_ERR       | \
  84          NETIF_MSG_TX_ERR)
  85
  86 /* length of time before we decide the hardware is borked,
  87  * and dev->tx_timeout() should be called to fix the problem
  88  */
  89 #define TG3_TX_TIMEOUT                  (5 * HZ)
  90
  91 /* hardware minimum and maximum for a single frame's data payload */
  92 #define TG3_MIN_MTU                     60
  93 #define TG3_MAX_MTU(tp) \
  94         ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
  95
  96 /* These numbers seem to be hard coded in the NIC firmware somehow.
  97  * You can't change the ring sizes, but you can change where you place
  98  * them in the NIC onboard memory.
  99  */
 100 #define TG3_RX_RING_SIZE                512
 101 #define TG3_DEF_RX_RING_PENDING         200
 102 #define TG3_RX_JUMBO_RING_SIZE          256
 103 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 104 #define TG3_RSS_INDIR_TBL_SIZE          128
 105
 106 /* Do not place this n-ring entries value into the tp struct itself,
 107  * we really want to expose these constants to GCC so that modulo et
 108  * al.  operations are done with shifts and masks instead of with
 109  * hw multiply/modulo instructions.  Another solution would be to
 110  * replace things like '% foo' with '& (foo - 1)'.
 111  */
 112 #define TG3_RX_RCB_RING_SIZE(tp)        \
 113         (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
 114           !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
 115
 116 #define TG3_TX_RING_SIZE                512
 117 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 118
 119 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 120                                  TG3_RX_RING_SIZE)
 121 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
 122                                  TG3_RX_JUMBO_RING_SIZE)
 123 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 124                                  TG3_RX_RCB_RING_SIZE(tp))
 125 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 126                                  TG3_TX_RING_SIZE)
 127 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 128
 129 #define TG3_DMA_BYTE_ENAB               64
 130
 131 #define TG3_RX_STD_DMA_SZ               1536
 132 #define TG3_RX_JMB_DMA_SZ               9046
 133
 134 #define TG3_RX_DMA_TO_MAP_SZ(x)         ((x) + TG3_DMA_BYTE_ENAB)
 135
 136 #define TG3_RX_STD_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
 137 #define TG3_RX_JMB_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
 138
 139 #define TG3_RX_STD_BUFF_RING_SIZE \
 140         (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
 141
 142 #define TG3_RX_JMB_BUFF_RING_SIZE \
 143         (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
 144
 145 #define TG3_RSS_MIN_NUM_MSIX_VECS       2
 146
 147 /* minimum number of free TX descriptors required to wake up TX process */
 148 #define TG3_TX_WAKEUP_THRESH(tnapi)             ((tnapi)->tx_pending / 4)
 149
 150 #define TG3_RAW_IP_ALIGN 2
 151
 152 /* number of ETHTOOL_GSTATS u64's */
 153 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 154
 155 #define TG3_NUM_TEST            6
 156
 157 #define TG3_FW_UPDATE_TIMEOUT_SEC       5
 158
 159 #define FIRMWARE_TG3            "tigon/tg3.bin"
 160 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 161 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 162
 163 static char version[] __devinitdata =
 164         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")";
 165
 166 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 167 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 168 MODULE_LICENSE("GPL");
 169 MODULE_VERSION(DRV_MODULE_VERSION);
 170 MODULE_FIRMWARE(FIRMWARE_TG3);
 171 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 172 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 173
 174 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 175 module_param(tg3_debug, int, 0);
 176 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 177
 178 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 234         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 235         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 236         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 237         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 238         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 239         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
 240         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
 241         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 242         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 243         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 244         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
 245         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
 246         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
 247         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
 248         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
 249         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
 250         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
 251         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
 252         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
 253         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
 254         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 255         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 256         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 257         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 258         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 259         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 260         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 261         {}
 262 };
 263
 264 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 265
 266 static const struct {
 267         const char string[ETH_GSTRING_LEN];
 268 } ethtool_stats_keys[TG3_NUM_STATS] = {
 269         { "rx_octets" },
 270         { "rx_fragments" },
 271         { "rx_ucast_packets" },
 272         { "rx_mcast_packets" },
 273         { "rx_bcast_packets" },
 274         { "rx_fcs_errors" },
 275         { "rx_align_errors" },
 276         { "rx_xon_pause_rcvd" },
 277         { "rx_xoff_pause_rcvd" },
 278         { "rx_mac_ctrl_rcvd" },
 279         { "rx_xoff_entered" },
 280         { "rx_frame_too_long_errors" },
 281         { "rx_jabbers" },
 282         { "rx_undersize_packets" },
 283         { "rx_in_length_errors" },
 284         { "rx_out_length_errors" },
 285         { "rx_64_or_less_octet_packets" },
 286         { "rx_65_to_127_octet_packets" },
 287         { "rx_128_to_255_octet_packets" },
 288         { "rx_256_to_511_octet_packets" },
 289         { "rx_512_to_1023_octet_packets" },
 290         { "rx_1024_to_1522_octet_packets" },
 291         { "rx_1523_to_2047_octet_packets" },
 292         { "rx_2048_to_4095_octet_packets" },
 293         { "rx_4096_to_8191_octet_packets" },
 294         { "rx_8192_to_9022_octet_packets" },
 295
 296         { "tx_octets" },
 297         { "tx_collisions" },
 298
 299         { "tx_xon_sent" },
 300         { "tx_xoff_sent" },
 301         { "tx_flow_control" },
 302         { "tx_mac_errors" },
 303         { "tx_single_collisions" },
 304         { "tx_mult_collisions" },
 305         { "tx_deferred" },
 306         { "tx_excessive_collisions" },
 307         { "tx_late_collisions" },
 308         { "tx_collide_2times" },
 309         { "tx_collide_3times" },
 310         { "tx_collide_4times" },
 311         { "tx_collide_5times" },
 312         { "tx_collide_6times" },
 313         { "tx_collide_7times" },
 314         { "tx_collide_8times" },
 315         { "tx_collide_9times" },
 316         { "tx_collide_10times" },
 317         { "tx_collide_11times" },
 318         { "tx_collide_12times" },
 319         { "tx_collide_13times" },
 320         { "tx_collide_14times" },
 321         { "tx_collide_15times" },
 322         { "tx_ucast_packets" },
 323         { "tx_mcast_packets" },
 324         { "tx_bcast_packets" },
 325         { "tx_carrier_sense_errors" },
 326         { "tx_discards" },
 327         { "tx_errors" },
 328
 329         { "dma_writeq_full" },
 330         { "dma_write_prioq_full" },
 331         { "rxbds_empty" },
 332         { "rx_discards" },
 333         { "rx_errors" },
 334         { "rx_threshold_hit" },
 335
 336         { "dma_readq_full" },
 337         { "dma_read_prioq_full" },
 338         { "tx_comp_queue_full" },
 339
 340         { "ring_set_send_prod_index" },
 341         { "ring_status_update" },
 342         { "nic_irqs" },
 343         { "nic_avoided_irqs" },
 344         { "nic_tx_threshold_hit" }
 345 };
 346
 347 static const struct {
 348         const char string[ETH_GSTRING_LEN];
 349 } ethtool_test_keys[TG3_NUM_TEST] = {
 350         { "nvram test     (online) " },
 351         { "link test      (online) " },
 352         { "register test  (offline)" },
 353         { "memory test    (offline)" },
 354         { "loopback test  (offline)" },
 355         { "interrupt test (offline)" },
 356 };
 357
 358 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 359 {
 360         writel(val, tp->regs + off);
 361 }
 362
 363 static u32 tg3_read32(struct tg3 *tp, u32 off)
 364 {
 365         return (readl(tp->regs + off));
 366 }
 367
 368 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 369 {
 370         writel(val, tp->aperegs + off);
 371 }
 372
 373 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 374 {
 375         return (readl(tp->aperegs + off));
 376 }
 377
 378 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 379 {
 380         unsigned long flags;
 381
 382         spin_lock_irqsave(&tp->indirect_lock, flags);
 383         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 384         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 385         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 386 }
 387
 388 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 389 {
 390         writel(val, tp->regs + off);
 391         readl(tp->regs + off);
 392 }
 393
 394 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 395 {
 396         unsigned long flags;
 397         u32 val;
 398
 399         spin_lock_irqsave(&tp->indirect_lock, flags);
 400         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 401         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 402         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 403         return val;
 404 }
 405
 406 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 407 {
 408         unsigned long flags;
 409
 410         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 411                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 412                                        TG3_64BIT_REG_LOW, val);
 413                 return;
 414         }
 415         if (off == TG3_RX_STD_PROD_IDX_REG) {
 416                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 417                                        TG3_64BIT_REG_LOW, val);
 418                 return;
 419         }
 420
 421         spin_lock_irqsave(&tp->indirect_lock, flags);
 422         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 423         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 424         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 425
 426         /* In indirect mode when disabling interrupts, we also need
 427          * to clear the interrupt bit in the GRC local ctrl register.
 428          */
 429         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 430             (val == 0x1)) {
 431                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 432                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 433         }
 434 }
 435
 436 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 437 {
 438         unsigned long flags;
 439         u32 val;
 440
 441         spin_lock_irqsave(&tp->indirect_lock, flags);
 442         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 443         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 444         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 445         return val;
 446 }
 447
 448 /* usec_wait specifies the wait time in usec when writing to certain registers
 449  * where it is unsafe to read back the register without some delay.
 450  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 451  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 452  */
 453 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 454 {
 455         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 456             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 457                 /* Non-posted methods */
 458                 tp->write32(tp, off, val);
 459         else {
 460                 /* Posted method */
 461                 tg3_write32(tp, off, val);
 462                 if (usec_wait)
 463                         udelay(usec_wait);
 464                 tp->read32(tp, off);
 465         }
 466         /* Wait again after the read for the posted method to guarantee that
 467          * the wait time is met.
 468          */
 469         if (usec_wait)
 470                 udelay(usec_wait);
 471 }
 472
 473 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 474 {
 475         tp->write32_mbox(tp, off, val);
 476         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 477             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 478                 tp->read32_mbox(tp, off);
 479 }
 480
 481 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 482 {
 483         void __iomem *mbox = tp->regs + off;
 484         writel(val, mbox);
 485         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 486                 writel(val, mbox);
 487         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 488                 readl(mbox);
 489 }
 490
 491 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 492 {
 493         return (readl(tp->regs + off + GRCMBOX_BASE));
 494 }
 495
 496 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 497 {
 498         writel(val, tp->regs + off + GRCMBOX_BASE);
 499 }
 500
 501 #define tw32_mailbox(reg, val)          tp->write32_mbox(tp, reg, val)
 502 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 503 #define tw32_rx_mbox(reg, val)          tp->write32_rx_mbox(tp, reg, val)
 504 #define tw32_tx_mbox(reg, val)          tp->write32_tx_mbox(tp, reg, val)
 505 #define tr32_mailbox(reg)               tp->read32_mbox(tp, reg)
 506
 507 #define tw32(reg, val)                  tp->write32(tp, reg, val)
 508 #define tw32_f(reg, val)                _tw32_flush(tp, (reg), (val), 0)
 509 #define tw32_wait_f(reg, val, us)       _tw32_flush(tp, (reg), (val), (us))
 510 #define tr32(reg)                       tp->read32(tp, reg)
 511
 512 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 513 {
 514         unsigned long flags;
 515
 516         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 517             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 518                 return;
 519
 520         spin_lock_irqsave(&tp->indirect_lock, flags);
 521         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 522                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 523                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 524
 525                 /* Always leave this as zero. */
 526                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 527         } else {
 528                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 529                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 530
 531                 /* Always leave this as zero. */
 532                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 533         }
 534         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 535 }
 536
 537 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 538 {
 539         unsigned long flags;
 540
 541         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 542             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 543                 *val = 0;
 544                 return;
 545         }
 546
 547         spin_lock_irqsave(&tp->indirect_lock, flags);
 548         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 549                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 550                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 551
 552                 /* Always leave this as zero. */
 553                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 554         } else {
 555                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 556                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 557
 558                 /* Always leave this as zero. */
 559                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 560         }
 561         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 562 }
 563
 564 static void tg3_ape_lock_init(struct tg3 *tp)
 565 {
 566         int i;
 567
 568         /* Make sure the driver hasn't any stale locks. */
 569         for (i = 0; i < 8; i++)
 570                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 571                                 APE_LOCK_GRANT_DRIVER);
 572 }
 573
 574 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 575 {
 576         int i, off;
 577         int ret = 0;
 578         u32 status;
 579
 580         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 581                 return 0;
 582
 583         switch (locknum) {
 584         case TG3_APE_LOCK_GRC:
 585         case TG3_APE_LOCK_MEM:
 586                 break;
 587         default:
 588                 return -EINVAL;
 589         }
 590
 591         off = 4 * locknum;
 592
 593         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 594
 595         /* Wait for up to 1 millisecond to acquire lock. */
 596         for (i = 0; i < 100; i++) {
 597                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 598                 if (status == APE_LOCK_GRANT_DRIVER)
 599                         break;
 600                 udelay(10);
 601         }
 602
 603         if (status != APE_LOCK_GRANT_DRIVER) {
 604                 /* Revoke the lock request. */
 605                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 606                                 APE_LOCK_GRANT_DRIVER);
 607
 608                 ret = -EBUSY;
 609         }
 610
 611         return ret;
 612 }
 613
 614 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 615 {
 616         int off;
 617
 618         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 619                 return;
 620
 621         switch (locknum) {
 622         case TG3_APE_LOCK_GRC:
 623         case TG3_APE_LOCK_MEM:
 624                 break;
 625         default:
 626                 return;
 627         }
 628
 629         off = 4 * locknum;
 630         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 631 }
 632
 633 static void tg3_disable_ints(struct tg3 *tp)
 634 {
 635         int i;
 636
 637         tw32(TG3PCI_MISC_HOST_CTRL,
 638              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 639         for (i = 0; i < tp->irq_max; i++)
 640                 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
 641 }
 642
 643 static void tg3_enable_ints(struct tg3 *tp)
 644 {
 645         int i;
 646
 647         tp->irq_sync = 0;
 648         wmb();
 649
 650         tw32(TG3PCI_MISC_HOST_CTRL,
 651              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 652
 653         tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
 654         for (i = 0; i < tp->irq_cnt; i++) {
 655                 struct tg3_napi *tnapi = &tp->napi[i];
 656
 657                 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 658                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 659                         tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 660
 661                 tp->coal_now |= tnapi->coal_now;
 662         }
 663
 664         /* Force an initial interrupt */
 665         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 666             (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
 667                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 668         else
 669                 tw32(HOSTCC_MODE, tp->coal_now);
 670
 671         tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
 672 }
 673
 674 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
 675 {
 676         struct tg3 *tp = tnapi->tp;
 677         struct tg3_hw_status *sblk = tnapi->hw_status;
 678         unsigned int work_exists = 0;
 679
 680         /* check for phy events */
 681         if (!(tp->tg3_flags &
 682               (TG3_FLAG_USE_LINKCHG_REG |
 683                TG3_FLAG_POLL_SERDES))) {
 684                 if (sblk->status & SD_STATUS_LINK_CHG)
 685                         work_exists = 1;
 686         }
 687         /* check for RX/TX work to do */
 688         if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
 689             *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
 690                 work_exists = 1;
 691
 692         return work_exists;
 693 }
 694
 695 /* tg3_int_reenable
 696  *  similar to tg3_enable_ints, but it accurately determines whether there
 697  *  is new work pending and can return without flushing the PIO write
 698  *  which reenables interrupts
 699  */
 700 static void tg3_int_reenable(struct tg3_napi *tnapi)
 701 {
 702         struct tg3 *tp = tnapi->tp;
 703
 704         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
 705         mmiowb();
 706
 707         /* When doing tagged status, this work check is unnecessary.
 708          * The last_tag we write above tells the chip which piece of
 709          * work we've completed.
 710          */
 711         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 712             tg3_has_work(tnapi))
 713                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 714                      HOSTCC_MODE_ENABLE | tnapi->coal_now);
 715 }
 716
 717 static void tg3_napi_disable(struct tg3 *tp)
 718 {
 719         int i;
 720
 721         for (i = tp->irq_cnt - 1; i >= 0; i--)
 722                 napi_disable(&tp->napi[i].napi);
 723 }
 724
 725 static void tg3_napi_enable(struct tg3 *tp)
 726 {
 727         int i;
 728
 729         for (i = 0; i < tp->irq_cnt; i++)
 730                 napi_enable(&tp->napi[i].napi);
 731 }
 732
 733 static inline void tg3_netif_stop(struct tg3 *tp)
 734 {
 735         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 736         tg3_napi_disable(tp);
 737         netif_tx_disable(tp->dev);
 738 }
 739
 740 static inline void tg3_netif_start(struct tg3 *tp)
 741 {
 742         /* NOTE: unconditional netif_tx_wake_all_queues is only
 743          * appropriate so long as all callers are assured to
 744          * have free tx slots (such as after tg3_init_hw)
 745          */
 746         netif_tx_wake_all_queues(tp->dev);
 747
 748         tg3_napi_enable(tp);
 749         tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
 750         tg3_enable_ints(tp);
 751 }
 752
 753 static void tg3_switch_clocks(struct tg3 *tp)
 754 {
 755         u32 clock_ctrl;
 756         u32 orig_clock_ctrl;
 757
 758         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 759             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 760                 return;
 761
 762         clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 763
 764         orig_clock_ctrl = clock_ctrl;
 765         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 766                        CLOCK_CTRL_CLKRUN_OENABLE |
 767                        0x1f);
 768         tp->pci_clock_ctrl = clock_ctrl;
 769
 770         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 771                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 772                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 773                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 774                 }
 775         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 776                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 777                             clock_ctrl |
 778                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 779                             40);
 780                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 781                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 782                             40);
 783         }
 784         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 785 }
 786
 787 #define PHY_BUSY_LOOPS  5000
 788
 789 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 790 {
 791         u32 frame_val;
 792         unsigned int loops;
 793         int ret;
 794
 795         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 796                 tw32_f(MAC_MI_MODE,
 797                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 798                 udelay(80);
 799         }
 800
 801         *val = 0x0;
 802
 803         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 804                       MI_COM_PHY_ADDR_MASK);
 805         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 806                       MI_COM_REG_ADDR_MASK);
 807         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 808
 809         tw32_f(MAC_MI_COM, frame_val);
 810
 811         loops = PHY_BUSY_LOOPS;
 812         while (loops != 0) {
 813                 udelay(10);
 814                 frame_val = tr32(MAC_MI_COM);
 815
 816                 if ((frame_val & MI_COM_BUSY) == 0) {
 817                         udelay(5);
 818                         frame_val = tr32(MAC_MI_COM);
 819                         break;
 820                 }
 821                 loops -= 1;
 822         }
 823
 824         ret = -EBUSY;
 825         if (loops != 0) {
 826                 *val = frame_val & MI_COM_DATA_MASK;
 827                 ret = 0;
 828         }
 829
 830         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 831                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 832                 udelay(80);
 833         }
 834
 835         return ret;
 836 }
 837
 838 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 839 {
 840         u32 frame_val;
 841         unsigned int loops;
 842         int ret;
 843
 844         if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
 845             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 846                 return 0;
 847
 848         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 849                 tw32_f(MAC_MI_MODE,
 850                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 851                 udelay(80);
 852         }
 853
 854         frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
 855                       MI_COM_PHY_ADDR_MASK);
 856         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 857                       MI_COM_REG_ADDR_MASK);
 858         frame_val |= (val & MI_COM_DATA_MASK);
 859         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 860
 861         tw32_f(MAC_MI_COM, frame_val);
 862
 863         loops = PHY_BUSY_LOOPS;
 864         while (loops != 0) {
 865                 udelay(10);
 866                 frame_val = tr32(MAC_MI_COM);
 867                 if ((frame_val & MI_COM_BUSY) == 0) {
 868                         udelay(5);
 869                         frame_val = tr32(MAC_MI_COM);
 870                         break;
 871                 }
 872                 loops -= 1;
 873         }
 874
 875         ret = -EBUSY;
 876         if (loops != 0)
 877                 ret = 0;
 878
 879         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 880                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 881                 udelay(80);
 882         }
 883
 884         return ret;
 885 }
 886
 887 static int tg3_bmcr_reset(struct tg3 *tp)
 888 {
 889         u32 phy_control;
 890         int limit, err;
 891
 892         /* OK, reset it, and poll the BMCR_RESET bit until it
 893          * clears or we time out.
 894          */
 895         phy_control = BMCR_RESET;
 896         err = tg3_writephy(tp, MII_BMCR, phy_control);
 897         if (err != 0)
 898                 return -EBUSY;
 899
 900         limit = 5000;
 901         while (limit--) {
 902                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 903                 if (err != 0)
 904                         return -EBUSY;
 905
 906                 if ((phy_control & BMCR_RESET) == 0) {
 907                         udelay(40);
 908                         break;
 909                 }
 910                 udelay(10);
 911         }
 912         if (limit < 0)
 913                 return -EBUSY;
 914
 915         return 0;
 916 }
 917
 918 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 919 {
 920         struct tg3 *tp = bp->priv;
 921         u32 val;
 922
 923         spin_lock_bh(&tp->lock);
 924
 925         if (tg3_readphy(tp, reg, &val))
 926                 val = -EIO;
 927
 928         spin_unlock_bh(&tp->lock);
 929
 930         return val;
 931 }
 932
 933 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 934 {
 935         struct tg3 *tp = bp->priv;
 936         u32 ret = 0;
 937
 938         spin_lock_bh(&tp->lock);
 939
 940         if (tg3_writephy(tp, reg, val))
 941                 ret = -EIO;
 942
 943         spin_unlock_bh(&tp->lock);
 944
 945         return ret;
 946 }
 947
 948 static int tg3_mdio_reset(struct mii_bus *bp)
 949 {
 950         return 0;
 951 }
 952
 953 static void tg3_mdio_config_5785(struct tg3 *tp)
 954 {
 955         u32 val;
 956         struct phy_device *phydev;
 957
 958         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 959         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 960         case PHY_ID_BCM50610:
 961         case PHY_ID_BCM50610M:
 962                 val = MAC_PHYCFG2_50610_LED_MODES;
 963                 break;
 964         case PHY_ID_BCMAC131:
 965                 val = MAC_PHYCFG2_AC131_LED_MODES;
 966                 break;
 967         case PHY_ID_RTL8211C:
 968                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 969                 break;
 970         case PHY_ID_RTL8201E:
 971                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 972                 break;
 973         default:
 974                 return;
 975         }
 976
 977         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 978                 tw32(MAC_PHYCFG2, val);
 979
 980                 val = tr32(MAC_PHYCFG1);
 981                 val &= ~(MAC_PHYCFG1_RGMII_INT |
 982                          MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
 983                 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
 984                 tw32(MAC_PHYCFG1, val);
 985
 986                 return;
 987         }
 988
 989         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE))
 990                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 991                        MAC_PHYCFG2_FMODE_MASK_MASK |
 992                        MAC_PHYCFG2_GMODE_MASK_MASK |
 993                        MAC_PHYCFG2_ACT_MASK_MASK   |
 994                        MAC_PHYCFG2_QUAL_MASK_MASK |
 995                        MAC_PHYCFG2_INBAND_ENABLE;
 996
 997         tw32(MAC_PHYCFG2, val);
 998
 999         val = tr32(MAC_PHYCFG1);
1000         val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
1001                  MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
1002         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1003                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1004                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
1005                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1006                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1007         }
1008         val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1009                MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1010         tw32(MAC_PHYCFG1, val);
1011
1012         val = tr32(MAC_EXT_RGMII_MODE);
1013         val &= ~(MAC_RGMII_MODE_RX_INT_B |
1014                  MAC_RGMII_MODE_RX_QUALITY |
1015                  MAC_RGMII_MODE_RX_ACTIVITY |
1016                  MAC_RGMII_MODE_RX_ENG_DET |
1017                  MAC_RGMII_MODE_TX_ENABLE |
1018                  MAC_RGMII_MODE_TX_LOWPWR |
1019                  MAC_RGMII_MODE_TX_RESET);
1020         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1021                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1022                         val |= MAC_RGMII_MODE_RX_INT_B |
1023                                MAC_RGMII_MODE_RX_QUALITY |
1024                                MAC_RGMII_MODE_RX_ACTIVITY |
1025                                MAC_RGMII_MODE_RX_ENG_DET;
1026                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1027                         val |= MAC_RGMII_MODE_TX_ENABLE |
1028                                MAC_RGMII_MODE_TX_LOWPWR |
1029                                MAC_RGMII_MODE_TX_RESET;
1030         }
1031         tw32(MAC_EXT_RGMII_MODE, val);
1032 }
1033
1034 static void tg3_mdio_start(struct tg3 *tp)
1035 {
1036         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1037         tw32_f(MAC_MI_MODE, tp->mi_mode);
1038         udelay(80);
1039
1040         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1041             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1042                 tg3_mdio_config_5785(tp);
1043 }
1044
1045 static int tg3_mdio_init(struct tg3 *tp)
1046 {
1047         int i;
1048         u32 reg;
1049         struct phy_device *phydev;
1050
1051         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1052                 u32 funcnum, is_serdes;
1053
1054                 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1055                 if (funcnum)
1056                         tp->phy_addr = 2;
1057                 else
1058                         tp->phy_addr = 1;
1059
1060                 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1061                         is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1062                 else
1063                         is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1064                                     TG3_CPMU_PHY_STRAP_IS_SERDES;
1065                 if (is_serdes)
1066                         tp->phy_addr += 7;
1067         } else
1068                 tp->phy_addr = TG3_PHY_MII_ADDR;
1069
1070         tg3_mdio_start(tp);
1071
1072         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1073             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1074                 return 0;
1075
1076         tp->mdio_bus = mdiobus_alloc();
1077         if (tp->mdio_bus == NULL)
1078                 return -ENOMEM;
1079
1080         tp->mdio_bus->name     = "tg3 mdio bus";
1081         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1082                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1083         tp->mdio_bus->priv     = tp;
1084         tp->mdio_bus->parent   = &tp->pdev->dev;
1085         tp->mdio_bus->read     = &tg3_mdio_read;
1086         tp->mdio_bus->write    = &tg3_mdio_write;
1087         tp->mdio_bus->reset    = &tg3_mdio_reset;
1088         tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1089         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1090
1091         for (i = 0; i < PHY_MAX_ADDR; i++)
1092                 tp->mdio_bus->irq[i] = PHY_POLL;
1093
1094         /* The bus registration will look for all the PHYs on the mdio bus.
1095          * Unfortunately, it does not ensure the PHY is powered up before
1096          * accessing the PHY ID registers.  A chip reset is the
1097          * quickest way to bring the device back to an operational state..
1098          */
1099         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1100                 tg3_bmcr_reset(tp);
1101
1102         i = mdiobus_register(tp->mdio_bus);
1103         if (i) {
1104                 dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i);
1105                 mdiobus_free(tp->mdio_bus);
1106                 return i;
1107         }
1108
1109         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1110
1111         if (!phydev || !phydev->drv) {
1112                 dev_warn(&tp->pdev->dev, "No PHY devices\n");
1113                 mdiobus_unregister(tp->mdio_bus);
1114                 mdiobus_free(tp->mdio_bus);
1115                 return -ENODEV;
1116         }
1117
1118         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1119         case PHY_ID_BCM57780:
1120                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1121                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1122                 break;
1123         case PHY_ID_BCM50610:
1124         case PHY_ID_BCM50610M:
1125                 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1126                                      PHY_BRCM_RX_REFCLK_UNUSED |
1127                                      PHY_BRCM_DIS_TXCRXC_NOENRGY |
1128                                      PHY_BRCM_AUTO_PWRDWN_ENABLE;
1129                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)
1130                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1131                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1132                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1133                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1134                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1135                 /* fallthru */
1136         case PHY_ID_RTL8211C:
1137                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1138                 break;
1139         case PHY_ID_RTL8201E:
1140         case PHY_ID_BCMAC131:
1141                 phydev->interface = PHY_INTERFACE_MODE_MII;
1142                 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1143                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
1144                 break;
1145         }
1146
1147         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1148
1149         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1150                 tg3_mdio_config_5785(tp);
1151
1152         return 0;
1153 }
1154
1155 static void tg3_mdio_fini(struct tg3 *tp)
1156 {
1157         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1158                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1159                 mdiobus_unregister(tp->mdio_bus);
1160                 mdiobus_free(tp->mdio_bus);
1161         }
1162 }
1163
1164 /* tp->lock is held. */
1165 static inline void tg3_generate_fw_event(struct tg3 *tp)
1166 {
1167         u32 val;
1168
1169         val = tr32(GRC_RX_CPU_EVENT);
1170         val |= GRC_RX_CPU_DRIVER_EVENT;
1171         tw32_f(GRC_RX_CPU_EVENT, val);
1172
1173         tp->last_event_jiffies = jiffies;
1174 }
1175
1176 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1177
1178 /* tp->lock is held. */
1179 static void tg3_wait_for_event_ack(struct tg3 *tp)
1180 {
1181         int i;
1182         unsigned int delay_cnt;
1183         long time_remain;
1184
1185         /* If enough time has passed, no wait is necessary. */
1186         time_remain = (long)(tp->last_event_jiffies + 1 +
1187                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1188                       (long)jiffies;
1189         if (time_remain < 0)
1190                 return;
1191
1192         /* Check if we can shorten the wait time. */
1193         delay_cnt = jiffies_to_usecs(time_remain);
1194         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1195                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1196         delay_cnt = (delay_cnt >> 3) + 1;
1197
1198         for (i = 0; i < delay_cnt; i++) {
1199                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1200                         break;
1201                 udelay(8);
1202         }
1203 }
1204
1205 /* tp->lock is held. */
1206 static void tg3_ump_link_report(struct tg3 *tp)
1207 {
1208         u32 reg;
1209         u32 val;
1210
1211         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1212             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1213                 return;
1214
1215         tg3_wait_for_event_ack(tp);
1216
1217         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1218
1219         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1220
1221         val = 0;
1222         if (!tg3_readphy(tp, MII_BMCR, &reg))
1223                 val = reg << 16;
1224         if (!tg3_readphy(tp, MII_BMSR, &reg))
1225                 val |= (reg & 0xffff);
1226         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1227
1228         val = 0;
1229         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1230                 val = reg << 16;
1231         if (!tg3_readphy(tp, MII_LPA, &reg))
1232                 val |= (reg & 0xffff);
1233         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1234
1235         val = 0;
1236         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1237                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1238                         val = reg << 16;
1239                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1240                         val |= (reg & 0xffff);
1241         }
1242         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1243
1244         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1245                 val = reg << 16;
1246         else
1247                 val = 0;
1248         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1249
1250         tg3_generate_fw_event(tp);
1251 }
1252
1253 static void tg3_link_report(struct tg3 *tp)
1254 {
1255         if (!netif_carrier_ok(tp->dev)) {
1256                 netif_info(tp, link, tp->dev, "Link is down\n");
1257                 tg3_ump_link_report(tp);
1258         } else if (netif_msg_link(tp)) {
1259                 netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
1260                             (tp->link_config.active_speed == SPEED_1000 ?
1261                              1000 :
1262                              (tp->link_config.active_speed == SPEED_100 ?
1263                               100 : 10)),
1264                             (tp->link_config.active_duplex == DUPLEX_FULL ?
1265                              "full" : "half"));
1266
1267                 netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
1268                             (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1269                             "on" : "off",
1270                             (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1271                             "on" : "off");
1272                 tg3_ump_link_report(tp);
1273         }
1274 }
1275
1276 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1277 {
1278         u16 miireg;
1279
1280         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1281                 miireg = ADVERTISE_PAUSE_CAP;
1282         else if (flow_ctrl & FLOW_CTRL_TX)
1283                 miireg = ADVERTISE_PAUSE_ASYM;
1284         else if (flow_ctrl & FLOW_CTRL_RX)
1285                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1286         else
1287                 miireg = 0;
1288
1289         return miireg;
1290 }
1291
1292 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1293 {
1294         u16 miireg;
1295
1296         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1297                 miireg = ADVERTISE_1000XPAUSE;
1298         else if (flow_ctrl & FLOW_CTRL_TX)
1299                 miireg = ADVERTISE_1000XPSE_ASYM;
1300         else if (flow_ctrl & FLOW_CTRL_RX)
1301                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1302         else
1303                 miireg = 0;
1304
1305         return miireg;
1306 }
1307
1308 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1309 {
1310         u8 cap = 0;
1311
1312         if (lcladv & ADVERTISE_1000XPAUSE) {
1313                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1314                         if (rmtadv & LPA_1000XPAUSE)
1315                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1316                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1317                                 cap = FLOW_CTRL_RX;
1318                 } else {
1319                         if (rmtadv & LPA_1000XPAUSE)
1320                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1321                 }
1322         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1323                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1324                         cap = FLOW_CTRL_TX;
1325         }
1326
1327         return cap;
1328 }
1329
1330 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1331 {
1332         u8 autoneg;
1333         u8 flowctrl = 0;
1334         u32 old_rx_mode = tp->rx_mode;
1335         u32 old_tx_mode = tp->tx_mode;
1336
1337         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1338                 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1339         else
1340                 autoneg = tp->link_config.autoneg;
1341
1342         if (autoneg == AUTONEG_ENABLE &&
1343             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1344                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1345                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1346                 else
1347                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1348         } else
1349                 flowctrl = tp->link_config.flowctrl;
1350
1351         tp->link_config.active_flowctrl = flowctrl;
1352
1353         if (flowctrl & FLOW_CTRL_RX)
1354                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1355         else
1356                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1357
1358         if (old_rx_mode != tp->rx_mode)
1359                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1360
1361         if (flowctrl & FLOW_CTRL_TX)
1362                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1363         else
1364                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1365
1366         if (old_tx_mode != tp->tx_mode)
1367                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1368 }
1369
1370 static void tg3_adjust_link(struct net_device *dev)
1371 {
1372         u8 oldflowctrl, linkmesg = 0;
1373         u32 mac_mode, lcl_adv, rmt_adv;
1374         struct tg3 *tp = netdev_priv(dev);
1375         struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1376
1377         spin_lock_bh(&tp->lock);
1378
1379         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1380                                     MAC_MODE_HALF_DUPLEX);
1381
1382         oldflowctrl = tp->link_config.active_flowctrl;
1383
1384         if (phydev->link) {
1385                 lcl_adv = 0;
1386                 rmt_adv = 0;
1387
1388                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1389                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1390                 else if (phydev->speed == SPEED_1000 ||
1391                          GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1392                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1393                 else
1394                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1395
1396                 if (phydev->duplex == DUPLEX_HALF)
1397                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1398                 else {
1399                         lcl_adv = tg3_advert_flowctrl_1000T(
1400                                   tp->link_config.flowctrl);
1401
1402                         if (phydev->pause)
1403                                 rmt_adv = LPA_PAUSE_CAP;
1404                         if (phydev->asym_pause)
1405                                 rmt_adv |= LPA_PAUSE_ASYM;
1406                 }
1407
1408                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1409         } else
1410                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1411
1412         if (mac_mode != tp->mac_mode) {
1413                 tp->mac_mode = mac_mode;
1414                 tw32_f(MAC_MODE, tp->mac_mode);
1415                 udelay(40);
1416         }
1417
1418         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1419                 if (phydev->speed == SPEED_10)
1420                         tw32(MAC_MI_STAT,
1421                              MAC_MI_STAT_10MBPS_MODE |
1422                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1423                 else
1424                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1425         }
1426
1427         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1428                 tw32(MAC_TX_LENGTHS,
1429                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1430                       (6 << TX_LENGTHS_IPG_SHIFT) |
1431                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1432         else
1433                 tw32(MAC_TX_LENGTHS,
1434                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1435                       (6 << TX_LENGTHS_IPG_SHIFT) |
1436                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1437
1438         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1439             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1440             phydev->speed != tp->link_config.active_speed ||
1441             phydev->duplex != tp->link_config.active_duplex ||
1442             oldflowctrl != tp->link_config.active_flowctrl)
1443                 linkmesg = 1;
1444
1445         tp->link_config.active_speed = phydev->speed;
1446         tp->link_config.active_duplex = phydev->duplex;
1447
1448         spin_unlock_bh(&tp->lock);
1449
1450         if (linkmesg)
1451                 tg3_link_report(tp);
1452 }
1453
1454 static int tg3_phy_init(struct tg3 *tp)
1455 {
1456         struct phy_device *phydev;
1457
1458         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1459                 return 0;
1460
1461         /* Bring the PHY back to a known state. */
1462         tg3_bmcr_reset(tp);
1463
1464         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1465
1466         /* Attach the MAC to the PHY. */
1467         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1468                              phydev->dev_flags, phydev->interface);
1469         if (IS_ERR(phydev)) {
1470                 dev_err(&tp->pdev->dev, "Could not attach to PHY\n");
1471                 return PTR_ERR(phydev);
1472         }
1473
1474         /* Mask with MAC supported features. */
1475         switch (phydev->interface) {
1476         case PHY_INTERFACE_MODE_GMII:
1477         case PHY_INTERFACE_MODE_RGMII:
1478                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1479                         phydev->supported &= (PHY_GBIT_FEATURES |
1480                                               SUPPORTED_Pause |
1481                                               SUPPORTED_Asym_Pause);
1482                         break;
1483                 }
1484                 /* fallthru */
1485         case PHY_INTERFACE_MODE_MII:
1486                 phydev->supported &= (PHY_BASIC_FEATURES |
1487                                       SUPPORTED_Pause |
1488                                       SUPPORTED_Asym_Pause);
1489                 break;
1490         default:
1491                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1492                 return -EINVAL;
1493         }
1494
1495         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1496
1497         phydev->advertising = phydev->supported;
1498
1499         return 0;
1500 }
1501
1502 static void tg3_phy_start(struct tg3 *tp)
1503 {
1504         struct phy_device *phydev;
1505
1506         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1507                 return;
1508
1509         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1510
1511         if (tp->link_config.phy_is_low_power) {
1512                 tp->link_config.phy_is_low_power = 0;
1513                 phydev->speed = tp->link_config.orig_speed;
1514                 phydev->duplex = tp->link_config.orig_duplex;
1515                 phydev->autoneg = tp->link_config.orig_autoneg;
1516                 phydev->advertising = tp->link_config.orig_advertising;
1517         }
1518
1519         phy_start(phydev);
1520
1521         phy_start_aneg(phydev);
1522 }
1523
1524 static void tg3_phy_stop(struct tg3 *tp)
1525 {
1526         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1527                 return;
1528
1529         phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1530 }
1531
1532 static void tg3_phy_fini(struct tg3 *tp)
1533 {
1534         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1535                 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1536                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1537         }
1538 }
1539
1540 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1541 {
1542         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1543         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1544 }
1545
1546 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1547 {
1548         u32 phytest;
1549
1550         if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1551                 u32 phy;
1552
1553                 tg3_writephy(tp, MII_TG3_FET_TEST,
1554                              phytest | MII_TG3_FET_SHADOW_EN);
1555                 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1556                         if (enable)
1557                                 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1558                         else
1559                                 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1560                         tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1561                 }
1562                 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1563         }
1564 }
1565
1566 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1567 {
1568         u32 reg;
1569
1570         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1571                 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1572              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1573                 return;
1574
1575         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1576                 tg3_phy_fet_toggle_apd(tp, enable);
1577                 return;
1578         }
1579
1580         reg = MII_TG3_MISC_SHDW_WREN |
1581               MII_TG3_MISC_SHDW_SCR5_SEL |
1582               MII_TG3_MISC_SHDW_SCR5_LPED |
1583               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1584               MII_TG3_MISC_SHDW_SCR5_SDTL |
1585               MII_TG3_MISC_SHDW_SCR5_C125OE;
1586         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1587                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1588
1589         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1590
1591
1592         reg = MII_TG3_MISC_SHDW_WREN |
1593               MII_TG3_MISC_SHDW_APD_SEL |
1594               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1595         if (enable)
1596                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1597
1598         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1599 }
1600
1601 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1602 {
1603         u32 phy;
1604
1605         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1606             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1607                 return;
1608
1609         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1610                 u32 ephy;
1611
1612                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1613                         u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1614
1615                         tg3_writephy(tp, MII_TG3_FET_TEST,
1616                                      ephy | MII_TG3_FET_SHADOW_EN);
1617                         if (!tg3_readphy(tp, reg, &phy)) {
1618                                 if (enable)
1619                                         phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1620                                 else
1621                                         phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1622                                 tg3_writephy(tp, reg, phy);
1623                         }
1624                         tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1625                 }
1626         } else {
1627                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1628                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1629                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1630                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1631                         if (enable)
1632                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1633                         else
1634                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1635                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1636                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1637                 }
1638         }
1639 }
1640
1641 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1642 {
1643         u32 val;
1644
1645         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1646                 return;
1647
1648         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1649             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1650                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1651                              (val | (1 << 15) | (1 << 4)));
1652 }
1653
1654 static void tg3_phy_apply_otp(struct tg3 *tp)
1655 {
1656         u32 otp, phy;
1657
1658         if (!tp->phy_otp)
1659                 return;
1660
1661         otp = tp->phy_otp;
1662
1663         /* Enable SM_DSP clock and tx 6dB coding. */
1664         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1665               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1666               MII_TG3_AUXCTL_ACTL_TX_6DB;
1667         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1668
1669         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1670         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1671         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1672
1673         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1674               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1675         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1676
1677         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1678         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1679         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1680
1681         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1682         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1683
1684         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1685         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1686
1687         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1688               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1689         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1690
1691         /* Turn off SM_DSP clock. */
1692         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1693               MII_TG3_AUXCTL_ACTL_TX_6DB;
1694         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1695 }
1696
1697 static int tg3_wait_macro_done(struct tg3 *tp)
1698 {
1699         int limit = 100;
1700
1701         while (limit--) {
1702                 u32 tmp32;
1703
1704                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1705                         if ((tmp32 & 0x1000) == 0)
1706                                 break;
1707                 }
1708         }
1709         if (limit < 0)
1710                 return -EBUSY;
1711
1712         return 0;
1713 }
1714
1715 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1716 {
1717         static const u32 test_pat[4][6] = {
1718         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1719         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1720         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1721         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1722         };
1723         int chan;
1724
1725         for (chan = 0; chan < 4; chan++) {
1726                 int i;
1727
1728                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1729                              (chan * 0x2000) | 0x0200);
1730                 tg3_writephy(tp, 0x16, 0x0002);
1731
1732                 for (i = 0; i < 6; i++)
1733                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1734                                      test_pat[chan][i]);
1735
1736                 tg3_writephy(tp, 0x16, 0x0202);
1737                 if (tg3_wait_macro_done(tp)) {
1738                         *resetp = 1;
1739                         return -EBUSY;
1740                 }
1741
1742                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1743                              (chan * 0x2000) | 0x0200);
1744                 tg3_writephy(tp, 0x16, 0x0082);
1745                 if (tg3_wait_macro_done(tp)) {
1746                         *resetp = 1;
1747                         return -EBUSY;
1748                 }
1749
1750                 tg3_writephy(tp, 0x16, 0x0802);
1751                 if (tg3_wait_macro_done(tp)) {
1752                         *resetp = 1;
1753                         return -EBUSY;
1754                 }
1755
1756                 for (i = 0; i < 6; i += 2) {
1757                         u32 low, high;
1758
1759                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1760                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1761                             tg3_wait_macro_done(tp)) {
1762                                 *resetp = 1;
1763                                 return -EBUSY;
1764                         }
1765                         low &= 0x7fff;
1766                         high &= 0x000f;
1767                         if (low != test_pat[chan][i] ||
1768                             high != test_pat[chan][i+1]) {
1769                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1770                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1771                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1772
1773                                 return -EBUSY;
1774                         }
1775                 }
1776         }
1777
1778         return 0;
1779 }
1780
1781 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1782 {
1783         int chan;
1784
1785         for (chan = 0; chan < 4; chan++) {
1786                 int i;
1787
1788                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1789                              (chan * 0x2000) | 0x0200);
1790                 tg3_writephy(tp, 0x16, 0x0002);
1791                 for (i = 0; i < 6; i++)
1792                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1793                 tg3_writephy(tp, 0x16, 0x0202);
1794                 if (tg3_wait_macro_done(tp))
1795                         return -EBUSY;
1796         }
1797
1798         return 0;
1799 }
1800
1801 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1802 {
1803         u32 reg32, phy9_orig;
1804         int retries, do_phy_reset, err;
1805
1806         retries = 10;
1807         do_phy_reset = 1;
1808         do {
1809                 if (do_phy_reset) {
1810                         err = tg3_bmcr_reset(tp);
1811                         if (err)
1812                                 return err;
1813                         do_phy_reset = 0;
1814                 }
1815
1816                 /* Disable transmitter and interrupt.  */
1817                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1818                         continue;
1819
1820                 reg32 |= 0x3000;
1821                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1822
1823                 /* Set full-duplex, 1000 mbps.  */
1824                 tg3_writephy(tp, MII_BMCR,
1825                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1826
1827                 /* Set to master mode.  */
1828                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1829                         continue;
1830
1831                 tg3_writephy(tp, MII_TG3_CTRL,
1832                              (MII_TG3_CTRL_AS_MASTER |
1833                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1834
1835                 /* Enable SM_DSP_CLOCK and 6dB.  */
1836                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1837
1838                 /* Block the PHY control access.  */
1839                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1840                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1841
1842                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1843                 if (!err)
1844                         break;
1845         } while (--retries);
1846
1847         err = tg3_phy_reset_chanpat(tp);
1848         if (err)
1849                 return err;
1850
1851         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1852         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1853
1854         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1855         tg3_writephy(tp, 0x16, 0x0000);
1856
1857         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1858             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1859                 /* Set Extended packet length bit for jumbo frames */
1860                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1861         } else {
1862                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1863         }
1864
1865         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1866
1867         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1868                 reg32 &= ~0x3000;
1869                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1870         } else if (!err)
1871                 err = -EBUSY;
1872
1873         return err;
1874 }
1875
1876 /* This will reset the tigon3 PHY if there is no valid
1877  * link unless the FORCE argument is non-zero.
1878  */
1879 static int tg3_phy_reset(struct tg3 *tp)
1880 {
1881         u32 cpmuctrl;
1882         u32 phy_status;
1883         int err;
1884
1885         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1886                 u32 val;
1887
1888                 val = tr32(GRC_MISC_CFG);
1889                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1890                 udelay(40);
1891         }
1892         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1893         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1894         if (err != 0)
1895                 return -EBUSY;
1896
1897         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1898                 netif_carrier_off(tp->dev);
1899                 tg3_link_report(tp);
1900         }
1901
1902         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1903             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1904             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1905                 err = tg3_phy_reset_5703_4_5(tp);
1906                 if (err)
1907                         return err;
1908                 goto out;
1909         }
1910
1911         cpmuctrl = 0;
1912         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1913             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1914                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1915                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1916                         tw32(TG3_CPMU_CTRL,
1917                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1918         }
1919
1920         err = tg3_bmcr_reset(tp);
1921         if (err)
1922                 return err;
1923
1924         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1925                 u32 phy;
1926
1927                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1928                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1929
1930                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1931         }
1932
1933         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1934             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1935                 u32 val;
1936
1937                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1938                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1939                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1940                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1941                         udelay(40);
1942                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1943                 }
1944         }
1945
1946         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
1947             (tp->tg3_flags2 & TG3_FLG2_MII_SERDES))
1948                 return 0;
1949
1950         tg3_phy_apply_otp(tp);
1951
1952         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1953                 tg3_phy_toggle_apd(tp, true);
1954         else
1955                 tg3_phy_toggle_apd(tp, false);
1956
1957 out:
1958         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1959                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1960                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1961                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1962                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1963                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1964                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1965         }
1966         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1967                 tg3_writephy(tp, 0x1c, 0x8d68);
1968                 tg3_writephy(tp, 0x1c, 0x8d68);
1969         }
1970         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1971                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1972                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1973                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1974                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1975                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1976                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1977                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1978                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1979         } else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1980                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1981                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1982                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1983                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1984                         tg3_writephy(tp, MII_TG3_TEST1,
1985                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1986                 } else
1987                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1988                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1989         }
1990         /* Set Extended packet length bit (bit 14) on all chips that */
1991         /* support jumbo frames */
1992         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
1993                 /* Cannot do read-modify-write on 5401 */
1994                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1995         } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1996                 u32 phy_reg;
1997
1998                 /* Set bit 14 with read-modify-write to preserve other bits */
1999                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
2000                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
2001                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
2002         }
2003
2004         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2005          * jumbo frames transmission.
2006          */
2007         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2008                 u32 phy_reg;
2009
2010                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
2011                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
2012                                      phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2013         }
2014
2015         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2016                 /* adjust output voltage */
2017                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2018         }
2019
2020         tg3_phy_toggle_automdix(tp, 1);
2021         tg3_phy_set_wirespeed(tp);
2022         return 0;
2023 }
2024
2025 static void tg3_frob_aux_power(struct tg3 *tp)
2026 {
2027         struct tg3 *tp_peer = tp;
2028
2029         /* The GPIOs do something completely different on 57765. */
2030         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
2031             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
2032                 return;
2033
2034         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2035             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2036             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2037                 struct net_device *dev_peer;
2038
2039                 dev_peer = pci_get_drvdata(tp->pdev_peer);
2040                 /* remove_one() may have been run on the peer. */
2041                 if (!dev_peer)
2042                         tp_peer = tp;
2043                 else
2044                         tp_peer = netdev_priv(dev_peer);
2045         }
2046
2047         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2048             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2049             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2050             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2051                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2052                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2053                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2054                                     (GRC_LCLCTRL_GPIO_OE0 |
2055                                      GRC_LCLCTRL_GPIO_OE1 |
2056                                      GRC_LCLCTRL_GPIO_OE2 |
2057                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
2058                                      GRC_LCLCTRL_GPIO_OUTPUT1),
2059                                     100);
2060                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2061                            tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2062                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2063                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2064                                              GRC_LCLCTRL_GPIO_OE1 |
2065                                              GRC_LCLCTRL_GPIO_OE2 |
2066                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
2067                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
2068                                              tp->grc_local_ctrl;
2069                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2070
2071                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2072                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2073
2074                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2075                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2076                 } else {
2077                         u32 no_gpio2;
2078                         u32 grc_local_ctrl = 0;
2079
2080                         if (tp_peer != tp &&
2081                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2082                                 return;
2083
2084                         /* Workaround to prevent overdrawing Amps. */
2085                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2086                             ASIC_REV_5714) {
2087                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2088                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2089                                             grc_local_ctrl, 100);
2090                         }
2091
2092                         /* On 5753 and variants, GPIO2 cannot be used. */
2093                         no_gpio2 = tp->nic_sram_data_cfg &
2094                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
2095
2096                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2097                                          GRC_LCLCTRL_GPIO_OE1 |
2098                                          GRC_LCLCTRL_GPIO_OE2 |
2099                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
2100                                          GRC_LCLCTRL_GPIO_OUTPUT2;
2101                         if (no_gpio2) {
2102                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2103                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
2104                         }
2105                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2106                                                     grc_local_ctrl, 100);
2107
2108                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2109
2110                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2111                                                     grc_local_ctrl, 100);
2112
2113                         if (!no_gpio2) {
2114                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2115                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2116                                             grc_local_ctrl, 100);
2117                         }
2118                 }
2119         } else {
2120                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2121                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2122                         if (tp_peer != tp &&
2123                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2124                                 return;
2125
2126                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2127                                     (GRC_LCLCTRL_GPIO_OE1 |
2128                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2129
2130                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2131                                     GRC_LCLCTRL_GPIO_OE1, 100);
2132
2133                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2134                                     (GRC_LCLCTRL_GPIO_OE1 |
2135                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2136                 }
2137         }
2138 }
2139
2140 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2141 {
2142         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2143                 return 1;
2144         else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
2145                 if (speed != SPEED_10)
2146                         return 1;
2147         } else if (speed == SPEED_10)
2148                 return 1;
2149
2150         return 0;
2151 }
2152
2153 static int tg3_setup_phy(struct tg3 *, int);
2154
2155 #define RESET_KIND_SHUTDOWN     0
2156 #define RESET_KIND_INIT         1
2157 #define RESET_KIND_SUSPEND      2
2158
2159 static void tg3_write_sig_post_reset(struct tg3 *, int);
2160 static int tg3_halt_cpu(struct tg3 *, u32);
2161
2162 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2163 {
2164         u32 val;
2165
2166         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2167                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2168                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2169                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2170
2171                         sg_dig_ctrl |=
2172                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2173                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2174                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2175                 }
2176                 return;
2177         }
2178
2179         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2180                 tg3_bmcr_reset(tp);
2181                 val = tr32(GRC_MISC_CFG);
2182                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2183                 udelay(40);
2184                 return;
2185         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2186                 u32 phytest;
2187                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2188                         u32 phy;
2189
2190                         tg3_writephy(tp, MII_ADVERTISE, 0);
2191                         tg3_writephy(tp, MII_BMCR,
2192                                      BMCR_ANENABLE | BMCR_ANRESTART);
2193
2194                         tg3_writephy(tp, MII_TG3_FET_TEST,
2195                                      phytest | MII_TG3_FET_SHADOW_EN);
2196                         if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2197                                 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2198                                 tg3_writephy(tp,
2199                                              MII_TG3_FET_SHDW_AUXMODE4,
2200                                              phy);
2201                         }
2202                         tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2203                 }
2204                 return;
2205         } else if (do_low_power) {
2206                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2207                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2208
2209                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2210                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2211                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2212                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2213                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2214         }
2215
2216         /* The PHY should not be powered down on some chips because
2217          * of bugs.
2218          */
2219         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2220             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2221             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2222              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2223                 return;
2224
2225         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2226             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2227                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2228                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2229                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2230                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2231         }
2232
2233         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2234 }
2235
2236 /* tp->lock is held. */
2237 static int tg3_nvram_lock(struct tg3 *tp)
2238 {
2239         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2240                 int i;
2241
2242                 if (tp->nvram_lock_cnt == 0) {
2243                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2244                         for (i = 0; i < 8000; i++) {
2245                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2246                                         break;
2247                                 udelay(20);
2248                         }
2249                         if (i == 8000) {
2250                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2251                                 return -ENODEV;
2252                         }
2253                 }
2254                 tp->nvram_lock_cnt++;
2255         }
2256         return 0;
2257 }
2258
2259 /* tp->lock is held. */
2260 static void tg3_nvram_unlock(struct tg3 *tp)
2261 {
2262         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2263                 if (tp->nvram_lock_cnt > 0)
2264                         tp->nvram_lock_cnt--;
2265                 if (tp->nvram_lock_cnt == 0)
2266                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2267         }
2268 }
2269
2270 /* tp->lock is held. */
2271 static void tg3_enable_nvram_access(struct tg3 *tp)
2272 {
2273         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2274             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2275                 u32 nvaccess = tr32(NVRAM_ACCESS);
2276
2277                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2278         }
2279 }
2280
2281 /* tp->lock is held. */
2282 static void tg3_disable_nvram_access(struct tg3 *tp)
2283 {
2284         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2285             !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2286                 u32 nvaccess = tr32(NVRAM_ACCESS);
2287
2288                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2289         }
2290 }
2291
2292 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2293                                         u32 offset, u32 *val)
2294 {
2295         u32 tmp;
2296         int i;
2297
2298         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2299                 return -EINVAL;
2300
2301         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2302                                         EEPROM_ADDR_DEVID_MASK |
2303                                         EEPROM_ADDR_READ);
2304         tw32(GRC_EEPROM_ADDR,
2305              tmp |
2306              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2307              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2308               EEPROM_ADDR_ADDR_MASK) |
2309              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2310
2311         for (i = 0; i < 1000; i++) {
2312                 tmp = tr32(GRC_EEPROM_ADDR);
2313
2314                 if (tmp & EEPROM_ADDR_COMPLETE)
2315                         break;
2316                 msleep(1);
2317         }
2318         if (!(tmp & EEPROM_ADDR_COMPLETE))
2319                 return -EBUSY;
2320
2321         tmp = tr32(GRC_EEPROM_DATA);
2322
2323         /*
2324          * The data will always be opposite the native endian
2325          * format.  Perform a blind byteswap to compensate.
2326          */
2327         *val = swab32(tmp);
2328
2329         return 0;
2330 }
2331
2332 #define NVRAM_CMD_TIMEOUT 10000
2333
2334 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2335 {
2336         int i;
2337
2338         tw32(NVRAM_CMD, nvram_cmd);
2339         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2340                 udelay(10);
2341                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2342                         udelay(10);
2343                         break;
2344                 }
2345         }
2346
2347         if (i == NVRAM_CMD_TIMEOUT)
2348                 return -EBUSY;
2349
2350         return 0;
2351 }
2352
2353 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2354 {
2355         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2356             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2357             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2358            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2359             (tp->nvram_jedecnum == JEDEC_ATMEL))
2360
2361                 addr = ((addr / tp->nvram_pagesize) <<
2362                         ATMEL_AT45DB0X1B_PAGE_POS) +
2363                        (addr % tp->nvram_pagesize);
2364
2365         return addr;
2366 }
2367
2368 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2369 {
2370         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2371             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2372             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2373            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2374             (tp->nvram_jedecnum == JEDEC_ATMEL))
2375
2376                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2377                         tp->nvram_pagesize) +
2378                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2379
2380         return addr;
2381 }
2382
2383 /* NOTE: Data read in from NVRAM is byteswapped according to
2384  * the byteswapping settings for all other register accesses.
2385  * tg3 devices are BE devices, so on a BE machine, the data
2386  * returned will be exactly as it is seen in NVRAM.  On a LE
2387  * machine, the 32-bit value will be byteswapped.
2388  */
2389 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2390 {
2391         int ret;
2392
2393         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2394                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2395
2396         offset = tg3_nvram_phys_addr(tp, offset);
2397
2398         if (offset > NVRAM_ADDR_MSK)
2399                 return -EINVAL;
2400
2401         ret = tg3_nvram_lock(tp);
2402         if (ret)
2403                 return ret;
2404
2405         tg3_enable_nvram_access(tp);
2406
2407         tw32(NVRAM_ADDR, offset);
2408         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2409                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2410
2411         if (ret == 0)
2412                 *val = tr32(NVRAM_RDDATA);
2413
2414         tg3_disable_nvram_access(tp);
2415
2416         tg3_nvram_unlock(tp);
2417
2418         return ret;
2419 }
2420
2421 /* Ensures NVRAM data is in bytestream format. */
2422 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2423 {
2424         u32 v;
2425         int res = tg3_nvram_read(tp, offset, &v);
2426         if (!res)
2427                 *val = cpu_to_be32(v);
2428         return res;
2429 }
2430
2431 /* tp->lock is held. */
2432 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2433 {
2434         u32 addr_high, addr_low;
2435         int i;
2436
2437         addr_high = ((tp->dev->dev_addr[0] << 8) |
2438                      tp->dev->dev_addr[1]);
2439         addr_low = ((tp->dev->dev_addr[2] << 24) |
2440                     (tp->dev->dev_addr[3] << 16) |
2441                     (tp->dev->dev_addr[4] <<  8) |
2442                     (tp->dev->dev_addr[5] <<  0));
2443         for (i = 0; i < 4; i++) {
2444                 if (i == 1 && skip_mac_1)
2445                         continue;
2446                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2447                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2448         }
2449
2450         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2451             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2452                 for (i = 0; i < 12; i++) {
2453                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2454                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2455                 }
2456         }
2457
2458         addr_high = (tp->dev->dev_addr[0] +
2459                      tp->dev->dev_addr[1] +
2460                      tp->dev->dev_addr[2] +
2461                      tp->dev->dev_addr[3] +
2462                      tp->dev->dev_addr[4] +
2463                      tp->dev->dev_addr[5]) &
2464                 TX_BACKOFF_SEED_MASK;
2465         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2466 }
2467
2468 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2469 {
2470         u32 misc_host_ctrl;
2471         bool device_should_wake, do_low_power;
2472
2473         /* Make sure register accesses (indirect or otherwise)
2474          * will function correctly.
2475          */
2476         pci_write_config_dword(tp->pdev,
2477                                TG3PCI_MISC_HOST_CTRL,
2478                                tp->misc_host_ctrl);
2479
2480         switch (state) {
2481         case PCI_D0:
2482                 pci_enable_wake(tp->pdev, state, false);
2483                 pci_set_power_state(tp->pdev, PCI_D0);
2484
2485                 /* Switch out of Vaux if it is a NIC */
2486                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2487                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2488
2489                 return 0;
2490
2491         case PCI_D1:
2492         case PCI_D2:
2493         case PCI_D3hot:
2494                 break;
2495
2496         default:
2497                 netdev_err(tp->dev, "Invalid power state (D%d) requested\n",
2498                            state);
2499                 return -EINVAL;
2500         }
2501
2502         /* Restore the CLKREQ setting. */
2503         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2504                 u16 lnkctl;
2505
2506                 pci_read_config_word(tp->pdev,
2507                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2508                                      &lnkctl);
2509                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2510                 pci_write_config_word(tp->pdev,
2511                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2512                                       lnkctl);
2513         }
2514
2515         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2516         tw32(TG3PCI_MISC_HOST_CTRL,
2517              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2518
2519         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2520                              device_may_wakeup(&tp->pdev->dev) &&
2521                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2522
2523         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2524                 do_low_power = false;
2525                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2526                     !tp->link_config.phy_is_low_power) {
2527                         struct phy_device *phydev;
2528                         u32 phyid, advertising;
2529
2530                         phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2531
2532                         tp->link_config.phy_is_low_power = 1;
2533
2534                         tp->link_config.orig_speed = phydev->speed;
2535                         tp->link_config.orig_duplex = phydev->duplex;
2536                         tp->link_config.orig_autoneg = phydev->autoneg;
2537                         tp->link_config.orig_advertising = phydev->advertising;
2538
2539                         advertising = ADVERTISED_TP |
2540                                       ADVERTISED_Pause |
2541                                       ADVERTISED_Autoneg |
2542                                       ADVERTISED_10baseT_Half;
2543
2544                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2545                             device_should_wake) {
2546                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2547                                         advertising |=
2548                                                 ADVERTISED_100baseT_Half |
2549                                                 ADVERTISED_100baseT_Full |
2550                                                 ADVERTISED_10baseT_Full;
2551                                 else
2552                                         advertising |= ADVERTISED_10baseT_Full;
2553                         }
2554
2555                         phydev->advertising = advertising;
2556
2557                         phy_start_aneg(phydev);
2558
2559                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2560                         if (phyid != PHY_ID_BCMAC131) {
2561                                 phyid &= PHY_BCM_OUI_MASK;
2562                                 if (phyid == PHY_BCM_OUI_1 ||
2563                                     phyid == PHY_BCM_OUI_2 ||
2564                                     phyid == PHY_BCM_OUI_3)
2565                                         do_low_power = true;
2566                         }
2567                 }
2568         } else {
2569                 do_low_power = true;
2570
2571                 if (tp->link_config.phy_is_low_power == 0) {
2572                         tp->link_config.phy_is_low_power = 1;
2573                         tp->link_config.orig_speed = tp->link_config.speed;
2574                         tp->link_config.orig_duplex = tp->link_config.duplex;
2575                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2576                 }
2577
2578                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2579                         tp->link_config.speed = SPEED_10;
2580                         tp->link_config.duplex = DUPLEX_HALF;
2581                         tp->link_config.autoneg = AUTONEG_ENABLE;
2582                         tg3_setup_phy(tp, 0);
2583                 }
2584         }
2585
2586         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2587                 u32 val;
2588
2589                 val = tr32(GRC_VCPU_EXT_CTRL);
2590                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2591         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2592                 int i;
2593                 u32 val;
2594
2595                 for (i = 0; i < 200; i++) {
2596                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2597                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2598                                 break;
2599                         msleep(1);
2600                 }
2601         }
2602         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2603                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2604                                                      WOL_DRV_STATE_SHUTDOWN |
2605                                                      WOL_DRV_WOL |
2606                                                      WOL_SET_MAGIC_PKT);
2607
2608         if (device_should_wake) {
2609                 u32 mac_mode;
2610
2611                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2612                         if (do_low_power) {
2613                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2614                                 udelay(40);
2615                         }
2616
2617                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2618                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2619                         else
2620                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2621
2622                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2623                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2624                             ASIC_REV_5700) {
2625                                 u32 speed = (tp->tg3_flags &
2626                                              TG3_FLAG_WOL_SPEED_100MB) ?
2627                                              SPEED_100 : SPEED_10;
2628                                 if (tg3_5700_link_polarity(tp, speed))
2629                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2630                                 else
2631                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2632                         }
2633                 } else {
2634                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2635                 }
2636
2637                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2638                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2639
2640                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2641                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2642                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2643                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2644                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2645                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2646
2647                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2648                         mac_mode |= tp->mac_mode &
2649                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2650                         if (mac_mode & MAC_MODE_APE_TX_EN)
2651                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2652                 }
2653
2654                 tw32_f(MAC_MODE, mac_mode);
2655                 udelay(100);
2656
2657                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2658                 udelay(10);
2659         }
2660
2661         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2662             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2663              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2664                 u32 base_val;
2665
2666                 base_val = tp->pci_clock_ctrl;
2667                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2668                              CLOCK_CTRL_TXCLK_DISABLE);
2669
2670                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2671                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2672         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2673                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2674                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2675                 /* do nothing */
2676         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2677                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2678                 u32 newbits1, newbits2;
2679
2680                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2681                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2682                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2683                                     CLOCK_CTRL_TXCLK_DISABLE |
2684                                     CLOCK_CTRL_ALTCLK);
2685                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2686                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2687                         newbits1 = CLOCK_CTRL_625_CORE;
2688                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2689                 } else {
2690                         newbits1 = CLOCK_CTRL_ALTCLK;
2691                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2692                 }
2693
2694                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2695                             40);
2696
2697                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2698                             40);
2699
2700                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2701                         u32 newbits3;
2702
2703                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2704                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2705                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2706                                             CLOCK_CTRL_TXCLK_DISABLE |
2707                                             CLOCK_CTRL_44MHZ_CORE);
2708                         } else {
2709                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2710                         }
2711
2712                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2713                                     tp->pci_clock_ctrl | newbits3, 40);
2714                 }
2715         }
2716
2717         if (!(device_should_wake) &&
2718             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2719                 tg3_power_down_phy(tp, do_low_power);
2720
2721         tg3_frob_aux_power(tp);
2722
2723         /* Workaround for unstable PLL clock */
2724         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2725             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2726                 u32 val = tr32(0x7d00);
2727
2728                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2729                 tw32(0x7d00, val);
2730                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2731                         int err;
2732
2733                         err = tg3_nvram_lock(tp);
2734                         tg3_halt_cpu(tp, RX_CPU_BASE);
2735                         if (!err)
2736                                 tg3_nvram_unlock(tp);
2737                 }
2738         }
2739
2740         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2741
2742         if (device_should_wake)
2743                 pci_enable_wake(tp->pdev, state, true);
2744
2745         /* Finally, set the new power state. */
2746         pci_set_power_state(tp->pdev, state);
2747
2748         return 0;
2749 }
2750
2751 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2752 {
2753         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2754         case MII_TG3_AUX_STAT_10HALF:
2755                 *speed = SPEED_10;
2756                 *duplex = DUPLEX_HALF;
2757                 break;
2758
2759         case MII_TG3_AUX_STAT_10FULL:
2760                 *speed = SPEED_10;
2761                 *duplex = DUPLEX_FULL;
2762                 break;
2763
2764         case MII_TG3_AUX_STAT_100HALF:
2765                 *speed = SPEED_100;
2766                 *duplex = DUPLEX_HALF;
2767                 break;
2768
2769         case MII_TG3_AUX_STAT_100FULL:
2770                 *speed = SPEED_100;
2771                 *duplex = DUPLEX_FULL;
2772                 break;
2773
2774         case MII_TG3_AUX_STAT_1000HALF:
2775                 *speed = SPEED_1000;
2776                 *duplex = DUPLEX_HALF;
2777                 break;
2778
2779         case MII_TG3_AUX_STAT_1000FULL:
2780                 *speed = SPEED_1000;
2781                 *duplex = DUPLEX_FULL;
2782                 break;
2783
2784         default:
2785                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2786                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2787                                  SPEED_10;
2788                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2789                                   DUPLEX_HALF;
2790                         break;
2791                 }
2792                 *speed = SPEED_INVALID;
2793                 *duplex = DUPLEX_INVALID;
2794                 break;
2795         }
2796 }
2797
2798 static void tg3_phy_copper_begin(struct tg3 *tp)
2799 {
2800         u32 new_adv;
2801         int i;
2802
2803         if (tp->link_config.phy_is_low_power) {
2804                 /* Entering low power mode.  Disable gigabit and
2805                  * 100baseT advertisements.
2806                  */
2807                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2808
2809                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2810                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2811                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2812                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2813
2814                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2815         } else if (tp->link_config.speed == SPEED_INVALID) {
2816                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2817                         tp->link_config.advertising &=
2818                                 ~(ADVERTISED_1000baseT_Half |
2819                                   ADVERTISED_1000baseT_Full);
2820
2821                 new_adv = ADVERTISE_CSMA;
2822                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2823                         new_adv |= ADVERTISE_10HALF;
2824                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2825                         new_adv |= ADVERTISE_10FULL;
2826                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2827                         new_adv |= ADVERTISE_100HALF;
2828                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2829                         new_adv |= ADVERTISE_100FULL;
2830
2831                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2832
2833                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2834
2835                 if (tp->link_config.advertising &
2836                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2837                         new_adv = 0;
2838                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2839                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2840                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2841                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2842                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2843                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2844                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2845                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2846                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2847                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2848                 } else {
2849                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2850                 }
2851         } else {
2852                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2853                 new_adv |= ADVERTISE_CSMA;
2854
2855                 /* Asking for a specific link mode. */
2856                 if (tp->link_config.speed == SPEED_1000) {
2857                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2858
2859                         if (tp->link_config.duplex == DUPLEX_FULL)
2860                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2861                         else
2862                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2863                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2864                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2865                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2866                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2867                 } else {
2868                         if (tp->link_config.speed == SPEED_100) {
2869                                 if (tp->link_config.duplex == DUPLEX_FULL)
2870                                         new_adv |= ADVERTISE_100FULL;
2871                                 else
2872                                         new_adv |= ADVERTISE_100HALF;
2873                         } else {
2874                                 if (tp->link_config.duplex == DUPLEX_FULL)
2875                                         new_adv |= ADVERTISE_10FULL;
2876                                 else
2877                                         new_adv |= ADVERTISE_10HALF;
2878                         }
2879                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2880
2881                         new_adv = 0;
2882                 }
2883
2884                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2885         }
2886
2887         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2888             tp->link_config.speed != SPEED_INVALID) {
2889                 u32 bmcr, orig_bmcr;
2890
2891                 tp->link_config.active_speed = tp->link_config.speed;
2892                 tp->link_config.active_duplex = tp->link_config.duplex;
2893
2894                 bmcr = 0;
2895                 switch (tp->link_config.speed) {
2896                 default:
2897                 case SPEED_10:
2898                         break;
2899
2900                 case SPEED_100:
2901                         bmcr |= BMCR_SPEED100;
2902                         break;
2903
2904                 case SPEED_1000:
2905                         bmcr |= TG3_BMCR_SPEED1000;
2906                         break;
2907                 }
2908
2909                 if (tp->link_config.duplex == DUPLEX_FULL)
2910                         bmcr |= BMCR_FULLDPLX;
2911
2912                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2913                     (bmcr != orig_bmcr)) {
2914                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2915                         for (i = 0; i < 1500; i++) {
2916                                 u32 tmp;
2917
2918                                 udelay(10);
2919                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2920                                     tg3_readphy(tp, MII_BMSR, &tmp))
2921                                         continue;
2922                                 if (!(tmp & BMSR_LSTATUS)) {
2923                                         udelay(40);
2924                                         break;
2925                                 }
2926                         }
2927                         tg3_writephy(tp, MII_BMCR, bmcr);
2928                         udelay(40);
2929                 }
2930         } else {
2931                 tg3_writephy(tp, MII_BMCR,
2932                              BMCR_ANENABLE | BMCR_ANRESTART);
2933         }
2934 }
2935
2936 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2937 {
2938         int err;
2939
2940         /* Turn off tap power management. */
2941         /* Set Extended packet length bit */
2942         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2943
2944         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2945         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2946
2947         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2948         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2949
2950         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2951         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2952
2953         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2954         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2955
2956         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2957         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2958
2959         udelay(40);
2960
2961         return err;
2962 }
2963
2964 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2965 {
2966         u32 adv_reg, all_mask = 0;
2967
2968         if (mask & ADVERTISED_10baseT_Half)
2969                 all_mask |= ADVERTISE_10HALF;
2970         if (mask & ADVERTISED_10baseT_Full)
2971                 all_mask |= ADVERTISE_10FULL;
2972         if (mask & ADVERTISED_100baseT_Half)
2973                 all_mask |= ADVERTISE_100HALF;
2974         if (mask & ADVERTISED_100baseT_Full)
2975                 all_mask |= ADVERTISE_100FULL;
2976
2977         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2978                 return 0;
2979
2980         if ((adv_reg & all_mask) != all_mask)
2981                 return 0;
2982         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2983                 u32 tg3_ctrl;
2984
2985                 all_mask = 0;
2986                 if (mask & ADVERTISED_1000baseT_Half)
2987                         all_mask |= ADVERTISE_1000HALF;
2988                 if (mask & ADVERTISED_1000baseT_Full)
2989                         all_mask |= ADVERTISE_1000FULL;
2990
2991                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2992                         return 0;
2993
2994                 if ((tg3_ctrl & all_mask) != all_mask)
2995                         return 0;
2996         }
2997         return 1;
2998 }
2999
3000 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
3001 {
3002         u32 curadv, reqadv;
3003
3004         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
3005                 return 1;
3006
3007         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
3008         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
3009
3010         if (tp->link_config.active_duplex == DUPLEX_FULL) {
3011                 if (curadv != reqadv)
3012                         return 0;
3013
3014                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3015                         tg3_readphy(tp, MII_LPA, rmtadv);
3016         } else {
3017                 /* Reprogram the advertisement register, even if it
3018                  * does not affect the current link.  If the link
3019                  * gets renegotiated in the future, we can save an
3020                  * additional renegotiation cycle by advertising
3021                  * it correctly in the first place.
3022                  */
3023                 if (curadv != reqadv) {
3024                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3025                                      ADVERTISE_PAUSE_ASYM);
3026                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3027                 }
3028         }
3029
3030         return 1;
3031 }
3032
3033 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3034 {
3035         int current_link_up;
3036         u32 bmsr, dummy;
3037         u32 lcl_adv, rmt_adv;
3038         u16 current_speed;
3039         u8 current_duplex;
3040         int i, err;
3041
3042         tw32(MAC_EVENT, 0);
3043
3044         tw32_f(MAC_STATUS,
3045              (MAC_STATUS_SYNC_CHANGED |
3046               MAC_STATUS_CFG_CHANGED |
3047               MAC_STATUS_MI_COMPLETION |
3048               MAC_STATUS_LNKSTATE_CHANGED));
3049         udelay(40);
3050
3051         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3052                 tw32_f(MAC_MI_MODE,
3053                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3054                 udelay(80);
3055         }
3056
3057         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3058
3059         /* Some third-party PHYs need to be reset on link going
3060          * down.
3061          */
3062         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3063              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3064              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3065             netif_carrier_ok(tp->dev)) {
3066                 tg3_readphy(tp, MII_BMSR, &bmsr);
3067                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3068                     !(bmsr & BMSR_LSTATUS))
3069                         force_reset = 1;
3070         }
3071         if (force_reset)
3072                 tg3_phy_reset(tp);
3073
3074         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
3075                 tg3_readphy(tp, MII_BMSR, &bmsr);
3076                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3077                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3078                         bmsr = 0;
3079
3080                 if (!(bmsr & BMSR_LSTATUS)) {
3081                         err = tg3_init_5401phy_dsp(tp);
3082                         if (err)
3083                                 return err;
3084
3085                         tg3_readphy(tp, MII_BMSR, &bmsr);
3086                         for (i = 0; i < 1000; i++) {
3087                                 udelay(10);
3088                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3089                                     (bmsr & BMSR_LSTATUS)) {
3090                                         udelay(40);
3091                                         break;
3092                                 }
3093                         }
3094
3095                         if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
3096                             TG3_PHY_REV_BCM5401_B0 &&
3097                             !(bmsr & BMSR_LSTATUS) &&
3098                             tp->link_config.active_speed == SPEED_1000) {
3099                                 err = tg3_phy_reset(tp);
3100                                 if (!err)
3101                                         err = tg3_init_5401phy_dsp(tp);
3102                                 if (err)
3103                                         return err;
3104                         }
3105                 }
3106         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3107                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3108                 /* 5701 {A0,B0} CRC bug workaround */
3109                 tg3_writephy(tp, 0x15, 0x0a75);
3110                 tg3_writephy(tp, 0x1c, 0x8c68);
3111                 tg3_writephy(tp, 0x1c, 0x8d68);
3112                 tg3_writephy(tp, 0x1c, 0x8c68);
3113         }
3114
3115         /* Clear pending interrupts... */
3116         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3117         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3118
3119         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3120                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3121         else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
3122                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3123
3124         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3125             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3126                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3127                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
3128                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3129                 else
3130                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3131         }
3132
3133         current_link_up = 0;
3134         current_speed = SPEED_INVALID;
3135         current_duplex = DUPLEX_INVALID;
3136
3137         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3138                 u32 val;
3139
3140                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3141                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3142                 if (!(val & (1 << 10))) {
3143                         val |= (1 << 10);
3144                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3145                         goto relink;
3146                 }
3147         }
3148
3149         bmsr = 0;
3150         for (i = 0; i < 100; i++) {
3151                 tg3_readphy(tp, MII_BMSR, &bmsr);
3152                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3153                     (bmsr & BMSR_LSTATUS))
3154                         break;
3155                 udelay(40);
3156         }
3157
3158         if (bmsr & BMSR_LSTATUS) {
3159                 u32 aux_stat, bmcr;
3160
3161                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3162                 for (i = 0; i < 2000; i++) {
3163                         udelay(10);
3164                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3165                             aux_stat)
3166                                 break;
3167                 }
3168
3169                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3170                                              &current_speed,
3171                                              &current_duplex);
3172
3173                 bmcr = 0;
3174                 for (i = 0; i < 200; i++) {
3175                         tg3_readphy(tp, MII_BMCR, &bmcr);
3176                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3177                                 continue;
3178                         if (bmcr && bmcr != 0x7fff)
3179                                 break;
3180                         udelay(10);
3181                 }
3182
3183                 lcl_adv = 0;
3184                 rmt_adv = 0;
3185
3186                 tp->link_config.active_speed = current_speed;
3187                 tp->link_config.active_duplex = current_duplex;
3188
3189                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3190                         if ((bmcr & BMCR_ANENABLE) &&
3191                             tg3_copper_is_advertising_all(tp,
3192                                                 tp->link_config.advertising)) {
3193                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3194                                                                   &rmt_adv))
3195                                         current_link_up = 1;
3196                         }
3197                 } else {
3198                         if (!(bmcr & BMCR_ANENABLE) &&
3199                             tp->link_config.speed == current_speed &&
3200                             tp->link_config.duplex == current_duplex &&
3201                             tp->link_config.flowctrl ==
3202                             tp->link_config.active_flowctrl) {
3203                                 current_link_up = 1;
3204                         }
3205                 }
3206
3207                 if (current_link_up == 1 &&
3208                     tp->link_config.active_duplex == DUPLEX_FULL)
3209                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3210         }
3211
3212 relink:
3213         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3214                 u32 tmp;
3215
3216                 tg3_phy_copper_begin(tp);
3217
3218                 tg3_readphy(tp, MII_BMSR, &tmp);
3219                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3220                     (tmp & BMSR_LSTATUS))
3221                         current_link_up = 1;
3222         }
3223
3224         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3225         if (current_link_up == 1) {
3226                 if (tp->link_config.active_speed == SPEED_100 ||
3227                     tp->link_config.active_speed == SPEED_10)
3228                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3229                 else
3230                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3231         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3232                 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3233         else
3234                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3235
3236         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3237         if (tp->link_config.active_duplex == DUPLEX_HALF)
3238                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3239
3240         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3241                 if (current_link_up == 1 &&
3242                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3243                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3244                 else
3245                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3246         }
3247
3248         /* ??? Without this setting Netgear GA302T PHY does not
3249          * ??? send/receive packets...
3250          */
3251         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
3252             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3253                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3254                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3255                 udelay(80);
3256         }
3257
3258         tw32_f(MAC_MODE, tp->mac_mode);
3259         udelay(40);
3260
3261         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3262                 /* Polled via timer. */
3263                 tw32_f(MAC_EVENT, 0);
3264         } else {
3265                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3266         }
3267         udelay(40);
3268
3269         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3270             current_link_up == 1 &&
3271             tp->link_config.active_speed == SPEED_1000 &&
3272             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3273              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3274                 udelay(120);
3275                 tw32_f(MAC_STATUS,
3276                      (MAC_STATUS_SYNC_CHANGED |
3277                       MAC_STATUS_CFG_CHANGED));
3278                 udelay(40);
3279                 tg3_write_mem(tp,
3280                               NIC_SRAM_FIRMWARE_MBOX,
3281                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3282         }
3283
3284         /* Prevent send BD corruption. */
3285         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3286                 u16 oldlnkctl, newlnkctl;
3287
3288                 pci_read_config_word(tp->pdev,
3289                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3290                                      &oldlnkctl);
3291                 if (tp->link_config.active_speed == SPEED_100 ||
3292                     tp->link_config.active_speed == SPEED_10)
3293                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3294                 else
3295                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3296                 if (newlnkctl != oldlnkctl)
3297                         pci_write_config_word(tp->pdev,
3298                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3299                                               newlnkctl);
3300         }
3301
3302         if (current_link_up != netif_carrier_ok(tp->dev)) {
3303                 if (current_link_up)
3304                         netif_carrier_on(tp->dev);
3305                 else
3306                         netif_carrier_off(tp->dev);
3307                 tg3_link_report(tp);
3308         }
3309
3310         return 0;
3311 }
3312
3313 struct tg3_fiber_aneginfo {
3314         int state;
3315 #define ANEG_STATE_UNKNOWN              0
3316 #define ANEG_STATE_AN_ENABLE            1
3317 #define ANEG_STATE_RESTART_INIT         2
3318 #define ANEG_STATE_RESTART              3
3319 #define ANEG_STATE_DISABLE_LINK_OK      4
3320 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3321 #define ANEG_STATE_ABILITY_DETECT       6
3322 #define ANEG_STATE_ACK_DETECT_INIT      7
3323 #define ANEG_STATE_ACK_DETECT           8
3324 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3325 #define ANEG_STATE_COMPLETE_ACK         10
3326 #define ANEG_STATE_IDLE_DETECT_INIT     11
3327 #define ANEG_STATE_IDLE_DETECT          12
3328 #define ANEG_STATE_LINK_OK              13
3329 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3330 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3331
3332         u32 flags;
3333 #define MR_AN_ENABLE            0x00000001
3334 #define MR_RESTART_AN           0x00000002
3335 #define MR_AN_COMPLETE          0x00000004
3336 #define MR_PAGE_RX              0x00000008
3337 #define MR_NP_LOADED            0x00000010
3338 #define MR_TOGGLE_TX            0x00000020
3339 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3340 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3341 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3342 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3343 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3344 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3345 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3346 #define MR_TOGGLE_RX            0x00002000
3347 #define MR_NP_RX                0x00004000
3348
3349 #define MR_LINK_OK              0x80000000
3350
3351         unsigned long link_time, cur_time;
3352
3353         u32 ability_match_cfg;
3354         int ability_match_count;
3355
3356         char ability_match, idle_match, ack_match;
3357
3358         u32 txconfig, rxconfig;
3359 #define ANEG_CFG_NP             0x00000080
3360 #define ANEG_CFG_ACK            0x00000040
3361 #define ANEG_CFG_RF2            0x00000020
3362 #define ANEG_CFG_RF1            0x00000010
3363 #define ANEG_CFG_PS2            0x00000001
3364 #define ANEG_CFG_PS1            0x00008000
3365 #define ANEG_CFG_HD             0x00004000
3366 #define ANEG_CFG_FD             0x00002000
3367 #define ANEG_CFG_INVAL          0x00001f06
3368
3369 };
3370 #define ANEG_OK         0
3371 #define ANEG_DONE       1
3372 #define ANEG_TIMER_ENAB 2
3373 #define ANEG_FAILED     -1
3374
3375 #define ANEG_STATE_SETTLE_TIME  10000
3376
3377 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3378                                    struct tg3_fiber_aneginfo *ap)
3379 {
3380         u16 flowctrl;
3381         unsigned long delta;
3382         u32 rx_cfg_reg;
3383         int ret;
3384
3385         if (ap->state == ANEG_STATE_UNKNOWN) {
3386                 ap->rxconfig = 0;
3387                 ap->link_time = 0;
3388                 ap->cur_time = 0;
3389                 ap->ability_match_cfg = 0;
3390                 ap->ability_match_count = 0;
3391                 ap->ability_match = 0;
3392                 ap->idle_match = 0;
3393                 ap->ack_match = 0;
3394         }
3395         ap->cur_time++;
3396
3397         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3398                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3399
3400                 if (rx_cfg_reg != ap->ability_match_cfg) {
3401                         ap->ability_match_cfg = rx_cfg_reg;
3402                         ap->ability_match = 0;
3403                         ap->ability_match_count = 0;
3404                 } else {
3405                         if (++ap->ability_match_count > 1) {
3406                                 ap->ability_match = 1;
3407                                 ap->ability_match_cfg = rx_cfg_reg;
3408                         }
3409                 }
3410                 if (rx_cfg_reg & ANEG_CFG_ACK)
3411                         ap->ack_match = 1;
3412                 else
3413                         ap->ack_match = 0;
3414
3415                 ap->idle_match = 0;
3416         } else {
3417                 ap->idle_match = 1;
3418                 ap->ability_match_cfg = 0;
3419                 ap->ability_match_count = 0;
3420                 ap->ability_match = 0;
3421                 ap->ack_match = 0;
3422
3423                 rx_cfg_reg = 0;
3424         }
3425
3426         ap->rxconfig = rx_cfg_reg;
3427         ret = ANEG_OK;
3428
3429         switch (ap->state) {
3430         case ANEG_STATE_UNKNOWN:
3431                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3432                         ap->state = ANEG_STATE_AN_ENABLE;
3433
3434                 /* fallthru */
3435         case ANEG_STATE_AN_ENABLE:
3436                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3437                 if (ap->flags & MR_AN_ENABLE) {
3438                         ap->link_time = 0;
3439                         ap->cur_time = 0;
3440                         ap->ability_match_cfg = 0;
3441                         ap->ability_match_count = 0;
3442                         ap->ability_match = 0;
3443                         ap->idle_match = 0;
3444                         ap->ack_match = 0;
3445
3446                         ap->state = ANEG_STATE_RESTART_INIT;
3447                 } else {
3448                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3449                 }
3450                 break;
3451
3452         case ANEG_STATE_RESTART_INIT:
3453                 ap->link_time = ap->cur_time;
3454                 ap->flags &= ~(MR_NP_LOADED);
3455                 ap->txconfig = 0;
3456                 tw32(MAC_TX_AUTO_NEG, 0);
3457                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3458                 tw32_f(MAC_MODE, tp->mac_mode);
3459                 udelay(40);
3460
3461                 ret = ANEG_TIMER_ENAB;
3462                 ap->state = ANEG_STATE_RESTART;
3463
3464                 /* fallthru */
3465         case ANEG_STATE_RESTART:
3466                 delta = ap->cur_time - ap->link_time;
3467                 if (delta > ANEG_STATE_SETTLE_TIME)
3468                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3469                 else
3470                         ret = ANEG_TIMER_ENAB;
3471                 break;
3472
3473         case ANEG_STATE_DISABLE_LINK_OK:
3474                 ret = ANEG_DONE;
3475                 break;
3476
3477         case ANEG_STATE_ABILITY_DETECT_INIT:
3478                 ap->flags &= ~(MR_TOGGLE_TX);
3479                 ap->txconfig = ANEG_CFG_FD;
3480                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3481                 if (flowctrl & ADVERTISE_1000XPAUSE)
3482                         ap->txconfig |= ANEG_CFG_PS1;
3483                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3484                         ap->txconfig |= ANEG_CFG_PS2;
3485                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3486                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3487                 tw32_f(MAC_MODE, tp->mac_mode);
3488                 udelay(40);
3489
3490                 ap->state = ANEG_STATE_ABILITY_DETECT;
3491                 break;
3492
3493         case ANEG_STATE_ABILITY_DETECT:
3494                 if (ap->ability_match != 0 && ap->rxconfig != 0)
3495                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3496                 break;
3497
3498         case ANEG_STATE_ACK_DETECT_INIT:
3499                 ap->txconfig |= ANEG_CFG_ACK;
3500                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3501                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3502                 tw32_f(MAC_MODE, tp->mac_mode);
3503                 udelay(40);
3504
3505                 ap->state = ANEG_STATE_ACK_DETECT;
3506
3507                 /* fallthru */
3508         case ANEG_STATE_ACK_DETECT:
3509                 if (ap->ack_match != 0) {
3510                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3511                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3512                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3513                         } else {
3514                                 ap->state = ANEG_STATE_AN_ENABLE;
3515                         }
3516                 } else if (ap->ability_match != 0 &&
3517                            ap->rxconfig == 0) {
3518                         ap->state = ANEG_STATE_AN_ENABLE;
3519                 }
3520                 break;
3521
3522         case ANEG_STATE_COMPLETE_ACK_INIT:
3523                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3524                         ret = ANEG_FAILED;
3525                         break;
3526                 }
3527                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3528                                MR_LP_ADV_HALF_DUPLEX |
3529                                MR_LP_ADV_SYM_PAUSE |
3530                                MR_LP_ADV_ASYM_PAUSE |
3531                                MR_LP_ADV_REMOTE_FAULT1 |
3532                                MR_LP_ADV_REMOTE_FAULT2 |
3533                                MR_LP_ADV_NEXT_PAGE |
3534                                MR_TOGGLE_RX |
3535                                MR_NP_RX);
3536                 if (ap->rxconfig & ANEG_CFG_FD)
3537                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3538                 if (ap->rxconfig & ANEG_CFG_HD)
3539                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3540                 if (ap->rxconfig & ANEG_CFG_PS1)
3541                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3542                 if (ap->rxconfig & ANEG_CFG_PS2)
3543                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3544                 if (ap->rxconfig & ANEG_CFG_RF1)
3545                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3546                 if (ap->rxconfig & ANEG_CFG_RF2)
3547                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3548                 if (ap->rxconfig & ANEG_CFG_NP)
3549                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3550
3551                 ap->link_time = ap->cur_time;
3552
3553                 ap->flags ^= (MR_TOGGLE_TX);
3554                 if (ap->rxconfig & 0x0008)
3555                         ap->flags |= MR_TOGGLE_RX;
3556                 if (ap->rxconfig & ANEG_CFG_NP)
3557                         ap->flags |= MR_NP_RX;
3558                 ap->flags |= MR_PAGE_RX;
3559
3560                 ap->state = ANEG_STATE_COMPLETE_ACK;
3561                 ret = ANEG_TIMER_ENAB;
3562                 break;
3563
3564         case ANEG_STATE_COMPLETE_ACK:
3565                 if (ap->ability_match != 0 &&
3566                     ap->rxconfig == 0) {
3567                         ap->state = ANEG_STATE_AN_ENABLE;
3568                         break;
3569                 }
3570                 delta = ap->cur_time - ap->link_time;
3571                 if (delta > ANEG_STATE_SETTLE_TIME) {
3572                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3573                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3574                         } else {
3575                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3576                                     !(ap->flags & MR_NP_RX)) {
3577                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3578                                 } else {
3579                                         ret = ANEG_FAILED;
3580                                 }
3581                         }
3582                 }
3583                 break;
3584
3585         case ANEG_STATE_IDLE_DETECT_INIT:
3586                 ap->link_time = ap->cur_time;
3587                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3588                 tw32_f(MAC_MODE, tp->mac_mode);
3589                 udelay(40);
3590
3591                 ap->state = ANEG_STATE_IDLE_DETECT;
3592                 ret = ANEG_TIMER_ENAB;
3593                 break;
3594
3595         case ANEG_STATE_IDLE_DETECT:
3596                 if (ap->ability_match != 0 &&
3597                     ap->rxconfig == 0) {
3598                         ap->state = ANEG_STATE_AN_ENABLE;
3599                         break;
3600                 }
3601                 delta = ap->cur_time - ap->link_time;
3602                 if (delta > ANEG_STATE_SETTLE_TIME) {
3603                         /* XXX another gem from the Broadcom driver :( */
3604                         ap->state = ANEG_STATE_LINK_OK;
3605                 }
3606                 break;
3607
3608         case ANEG_STATE_LINK_OK:
3609                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3610                 ret = ANEG_DONE;
3611                 break;
3612
3613         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3614                 /* ??? unimplemented */
3615                 break;
3616
3617         case ANEG_STATE_NEXT_PAGE_WAIT:
3618                 /* ??? unimplemented */
3619                 break;
3620
3621         default:
3622                 ret = ANEG_FAILED;
3623                 break;
3624         }
3625
3626         return ret;
3627 }
3628
3629 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3630 {
3631         int res = 0;
3632         struct tg3_fiber_aneginfo aninfo;
3633         int status = ANEG_FAILED;
3634         unsigned int tick;
3635         u32 tmp;
3636
3637         tw32_f(MAC_TX_AUTO_NEG, 0);
3638
3639         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3640         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3641         udelay(40);
3642
3643         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3644         udelay(40);
3645
3646         memset(&aninfo, 0, sizeof(aninfo));
3647         aninfo.flags |= MR_AN_ENABLE;
3648         aninfo.state = ANEG_STATE_UNKNOWN;
3649         aninfo.cur_time = 0;
3650         tick = 0;
3651         while (++tick < 195000) {
3652                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3653                 if (status == ANEG_DONE || status == ANEG_FAILED)
3654                         break;
3655
3656                 udelay(1);
3657         }
3658
3659         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3660         tw32_f(MAC_MODE, tp->mac_mode);
3661         udelay(40);
3662
3663         *txflags = aninfo.txconfig;
3664         *rxflags = aninfo.flags;
3665
3666         if (status == ANEG_DONE &&
3667             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3668                              MR_LP_ADV_FULL_DUPLEX)))
3669                 res = 1;
3670
3671         return res;
3672 }
3673
3674 static void tg3_init_bcm8002(struct tg3 *tp)
3675 {
3676         u32 mac_status = tr32(MAC_STATUS);
3677         int i;
3678
3679         /* Reset when initting first time or we have a link. */
3680         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3681             !(mac_status & MAC_STATUS_PCS_SYNCED))
3682                 return;
3683
3684         /* Set PLL lock range. */
3685         tg3_writephy(tp, 0x16, 0x8007);
3686
3687         /* SW reset */
3688         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3689
3690         /* Wait for reset to complete. */
3691         /* XXX schedule_timeout() ... */
3692         for (i = 0; i < 500; i++)
3693                 udelay(10);
3694
3695         /* Config mode; select PMA/Ch 1 regs. */
3696         tg3_writephy(tp, 0x10, 0x8411);
3697
3698         /* Enable auto-lock and comdet, select txclk for tx. */
3699         tg3_writephy(tp, 0x11, 0x0a10);
3700
3701         tg3_writephy(tp, 0x18, 0x00a0);
3702         tg3_writephy(tp, 0x16, 0x41ff);
3703
3704         /* Assert and deassert POR. */
3705         tg3_writephy(tp, 0x13, 0x0400);
3706         udelay(40);
3707         tg3_writephy(tp, 0x13, 0x0000);
3708
3709         tg3_writephy(tp, 0x11, 0x0a50);
3710         udelay(40);
3711         tg3_writephy(tp, 0x11, 0x0a10);
3712
3713         /* Wait for signal to stabilize */
3714         /* XXX schedule_timeout() ... */
3715         for (i = 0; i < 15000; i++)
3716                 udelay(10);
3717
3718         /* Deselect the channel register so we can read the PHYID
3719          * later.
3720          */
3721         tg3_writephy(tp, 0x10, 0x8011);
3722 }
3723
3724 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3725 {
3726         u16 flowctrl;
3727         u32 sg_dig_ctrl, sg_dig_status;
3728         u32 serdes_cfg, expected_sg_dig_ctrl;
3729         int workaround, port_a;
3730         int current_link_up;
3731
3732         serdes_cfg = 0;
3733         expected_sg_dig_ctrl = 0;
3734         workaround = 0;
3735         port_a = 1;
3736         current_link_up = 0;
3737
3738         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3739             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3740                 workaround = 1;
3741                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3742                         port_a = 0;
3743
3744                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3745                 /* preserve bits 20-23 for voltage regulator */
3746                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3747         }
3748
3749         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3750
3751         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3752                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3753                         if (workaround) {
3754                                 u32 val = serdes_cfg;
3755
3756                                 if (port_a)
3757                                         val |= 0xc010000;
3758                                 else
3759                                         val |= 0x4010000;
3760                                 tw32_f(MAC_SERDES_CFG, val);
3761                         }
3762
3763                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3764                 }
3765                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3766                         tg3_setup_flow_control(tp, 0, 0);
3767                         current_link_up = 1;
3768                 }
3769                 goto out;
3770         }
3771
3772         /* Want auto-negotiation.  */
3773         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3774
3775         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3776         if (flowctrl & ADVERTISE_1000XPAUSE)
3777                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3778         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3779                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3780
3781         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3782                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3783                     tp->serdes_counter &&
3784                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3785                                     MAC_STATUS_RCVD_CFG)) ==
3786                      MAC_STATUS_PCS_SYNCED)) {
3787                         tp->serdes_counter--;
3788                         current_link_up = 1;
3789                         goto out;
3790                 }
3791 restart_autoneg:
3792                 if (workaround)
3793                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3794                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3795                 udelay(5);
3796                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3797
3798                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3799                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3800         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3801                                  MAC_STATUS_SIGNAL_DET)) {
3802                 sg_dig_status = tr32(SG_DIG_STATUS);
3803                 mac_status = tr32(MAC_STATUS);
3804
3805                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3806                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3807                         u32 local_adv = 0, remote_adv = 0;
3808
3809                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3810                                 local_adv |= ADVERTISE_1000XPAUSE;
3811                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3812                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3813
3814                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3815                                 remote_adv |= LPA_1000XPAUSE;
3816                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3817                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3818
3819                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3820                         current_link_up = 1;
3821                         tp->serdes_counter = 0;
3822                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3823                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3824                         if (tp->serdes_counter)
3825                                 tp->serdes_counter--;
3826                         else {
3827                                 if (workaround) {
3828                                         u32 val = serdes_cfg;
3829
3830                                         if (port_a)
3831                                                 val |= 0xc010000;
3832                                         else
3833                                                 val |= 0x4010000;
3834
3835                                         tw32_f(MAC_SERDES_CFG, val);
3836                                 }
3837
3838                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3839                                 udelay(40);
3840
3841                                 /* Link parallel detection - link is up */
3842                                 /* only if we have PCS_SYNC and not */
3843                                 /* receiving config code words */
3844                                 mac_status = tr32(MAC_STATUS);
3845                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3846                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3847                                         tg3_setup_flow_control(tp, 0, 0);
3848                                         current_link_up = 1;
3849                                         tp->tg3_flags2 |=
3850                                                 TG3_FLG2_PARALLEL_DETECT;
3851                                         tp->serdes_counter =
3852                                                 SERDES_PARALLEL_DET_TIMEOUT;
3853                                 } else
3854                                         goto restart_autoneg;
3855                         }
3856                 }
3857         } else {
3858                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3859                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3860         }
3861
3862 out:
3863         return current_link_up;
3864 }
3865
3866 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3867 {
3868         int current_link_up = 0;
3869
3870         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3871                 goto out;
3872
3873         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3874                 u32 txflags, rxflags;
3875                 int i;
3876
3877                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3878                         u32 local_adv = 0, remote_adv = 0;
3879
3880                         if (txflags & ANEG_CFG_PS1)
3881                                 local_adv |= ADVERTISE_1000XPAUSE;
3882                         if (txflags & ANEG_CFG_PS2)
3883                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3884
3885                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3886                                 remote_adv |= LPA_1000XPAUSE;
3887                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3888                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3889
3890                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3891
3892                         current_link_up = 1;
3893                 }
3894                 for (i = 0; i < 30; i++) {
3895                         udelay(20);
3896                         tw32_f(MAC_STATUS,
3897                                (MAC_STATUS_SYNC_CHANGED |
3898                                 MAC_STATUS_CFG_CHANGED));
3899                         udelay(40);
3900                         if ((tr32(MAC_STATUS) &
3901                              (MAC_STATUS_SYNC_CHANGED |
3902                               MAC_STATUS_CFG_CHANGED)) == 0)
3903                                 break;
3904                 }
3905
3906                 mac_status = tr32(MAC_STATUS);
3907                 if (current_link_up == 0 &&
3908                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3909                     !(mac_status & MAC_STATUS_RCVD_CFG))
3910                         current_link_up = 1;
3911         } else {
3912                 tg3_setup_flow_control(tp, 0, 0);
3913
3914                 /* Forcing 1000FD link up. */
3915                 current_link_up = 1;
3916
3917                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3918                 udelay(40);
3919
3920                 tw32_f(MAC_MODE, tp->mac_mode);
3921                 udelay(40);
3922         }
3923
3924 out:
3925         return current_link_up;
3926 }
3927
3928 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3929 {
3930         u32 orig_pause_cfg;
3931         u16 orig_active_speed;
3932         u8 orig_active_duplex;
3933         u32 mac_status;
3934         int current_link_up;
3935         int i;
3936
3937         orig_pause_cfg = tp->link_config.active_flowctrl;
3938         orig_active_speed = tp->link_config.active_speed;
3939         orig_active_duplex = tp->link_config.active_duplex;
3940
3941         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3942             netif_carrier_ok(tp->dev) &&
3943             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3944                 mac_status = tr32(MAC_STATUS);
3945                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3946                                MAC_STATUS_SIGNAL_DET |
3947                                MAC_STATUS_CFG_CHANGED |
3948                                MAC_STATUS_RCVD_CFG);
3949                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3950                                    MAC_STATUS_SIGNAL_DET)) {
3951                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3952                                             MAC_STATUS_CFG_CHANGED));
3953                         return 0;
3954                 }
3955         }
3956
3957         tw32_f(MAC_TX_AUTO_NEG, 0);
3958
3959         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3960         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3961         tw32_f(MAC_MODE, tp->mac_mode);
3962         udelay(40);
3963
3964         if (tp->phy_id == TG3_PHY_ID_BCM8002)
3965                 tg3_init_bcm8002(tp);
3966
3967         /* Enable link change event even when serdes polling.  */
3968         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3969         udelay(40);
3970
3971         current_link_up = 0;
3972         mac_status = tr32(MAC_STATUS);
3973
3974         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3975                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3976         else
3977                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3978
3979         tp->napi[0].hw_status->status =
3980                 (SD_STATUS_UPDATED |
3981                  (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
3982
3983         for (i = 0; i < 100; i++) {
3984                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3985                                     MAC_STATUS_CFG_CHANGED));
3986                 udelay(5);
3987                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3988                                          MAC_STATUS_CFG_CHANGED |
3989                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3990                         break;
3991         }
3992
3993         mac_status = tr32(MAC_STATUS);
3994         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3995                 current_link_up = 0;
3996                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3997                     tp->serdes_counter == 0) {
3998                         tw32_f(MAC_MODE, (tp->mac_mode |
3999                                           MAC_MODE_SEND_CONFIGS));
4000                         udelay(1);
4001                         tw32_f(MAC_MODE, tp->mac_mode);
4002                 }
4003         }
4004
4005         if (current_link_up == 1) {
4006                 tp->link_config.active_speed = SPEED_1000;
4007                 tp->link_config.active_duplex = DUPLEX_FULL;
4008                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4009                                     LED_CTRL_LNKLED_OVERRIDE |
4010                                     LED_CTRL_1000MBPS_ON));
4011         } else {
4012                 tp->link_config.active_speed = SPEED_INVALID;
4013                 tp->link_config.active_duplex = DUPLEX_INVALID;
4014                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4015                                     LED_CTRL_LNKLED_OVERRIDE |
4016                                     LED_CTRL_TRAFFIC_OVERRIDE));
4017         }
4018
4019         if (current_link_up != netif_carrier_ok(tp->dev)) {
4020                 if (current_link_up)
4021                         netif_carrier_on(tp->dev);
4022                 else
4023                         netif_carrier_off(tp->dev);
4024                 tg3_link_report(tp);
4025         } else {
4026                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4027                 if (orig_pause_cfg != now_pause_cfg ||
4028                     orig_active_speed != tp->link_config.active_speed ||
4029                     orig_active_duplex != tp->link_config.active_duplex)
4030                         tg3_link_report(tp);
4031         }
4032
4033         return 0;
4034 }
4035
4036 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4037 {
4038         int current_link_up, err = 0;
4039         u32 bmsr, bmcr;
4040         u16 current_speed;
4041         u8 current_duplex;
4042         u32 local_adv, remote_adv;
4043
4044         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4045         tw32_f(MAC_MODE, tp->mac_mode);
4046         udelay(40);
4047
4048         tw32(MAC_EVENT, 0);
4049
4050         tw32_f(MAC_STATUS,
4051              (MAC_STATUS_SYNC_CHANGED |
4052               MAC_STATUS_CFG_CHANGED |
4053               MAC_STATUS_MI_COMPLETION |
4054               MAC_STATUS_LNKSTATE_CHANGED));
4055         udelay(40);
4056
4057         if (force_reset)
4058                 tg3_phy_reset(tp);
4059
4060         current_link_up = 0;
4061         current_speed = SPEED_INVALID;
4062         current_duplex = DUPLEX_INVALID;
4063
4064         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4065         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4066         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4067                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4068                         bmsr |= BMSR_LSTATUS;
4069                 else
4070                         bmsr &= ~BMSR_LSTATUS;
4071         }
4072
4073         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4074
4075         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4076             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4077                 /* do nothing, just check for link up at the end */
4078         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4079                 u32 adv, new_adv;
4080
4081                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4082                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4083                                   ADVERTISE_1000XPAUSE |
4084                                   ADVERTISE_1000XPSE_ASYM |
4085                                   ADVERTISE_SLCT);
4086
4087                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4088
4089                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4090                         new_adv |= ADVERTISE_1000XHALF;
4091                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4092                         new_adv |= ADVERTISE_1000XFULL;
4093
4094                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4095                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
4096                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4097                         tg3_writephy(tp, MII_BMCR, bmcr);
4098
4099                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4100                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4101                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4102
4103                         return err;
4104                 }
4105         } else {
4106                 u32 new_bmcr;
4107
4108                 bmcr &= ~BMCR_SPEED1000;
4109                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4110
4111                 if (tp->link_config.duplex == DUPLEX_FULL)
4112                         new_bmcr |= BMCR_FULLDPLX;
4113
4114                 if (new_bmcr != bmcr) {
4115                         /* BMCR_SPEED1000 is a reserved bit that needs
4116                          * to be set on write.
4117                          */
4118                         new_bmcr |= BMCR_SPEED1000;
4119
4120                         /* Force a linkdown */
4121                         if (netif_carrier_ok(tp->dev)) {
4122                                 u32 adv;
4123
4124                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4125                                 adv &= ~(ADVERTISE_1000XFULL |
4126                                          ADVERTISE_1000XHALF |
4127                                          ADVERTISE_SLCT);
4128                                 tg3_writephy(tp, MII_ADVERTISE, adv);
4129                                 tg3_writephy(tp, MII_BMCR, bmcr |
4130                                                            BMCR_ANRESTART |
4131                                                            BMCR_ANENABLE);
4132                                 udelay(10);
4133                                 netif_carrier_off(tp->dev);
4134                         }
4135                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4136                         bmcr = new_bmcr;
4137                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4138                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4139                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4140                             ASIC_REV_5714) {
4141                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4142                                         bmsr |= BMSR_LSTATUS;
4143                                 else
4144                                         bmsr &= ~BMSR_LSTATUS;
4145                         }
4146                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4147                 }
4148         }
4149
4150         if (bmsr & BMSR_LSTATUS) {
4151                 current_speed = SPEED_1000;
4152                 current_link_up = 1;
4153                 if (bmcr & BMCR_FULLDPLX)
4154                         current_duplex = DUPLEX_FULL;
4155                 else
4156                         current_duplex = DUPLEX_HALF;
4157
4158                 local_adv = 0;
4159                 remote_adv = 0;
4160
4161                 if (bmcr & BMCR_ANENABLE) {
4162                         u32 common;
4163
4164                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4165                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4166                         common = local_adv & remote_adv;
4167                         if (common & (ADVERTISE_1000XHALF |
4168                                       ADVERTISE_1000XFULL)) {
4169                                 if (common & ADVERTISE_1000XFULL)
4170                                         current_duplex = DUPLEX_FULL;
4171                                 else
4172                                         current_duplex = DUPLEX_HALF;
4173                         } else {
4174                                 current_link_up = 0;
4175                         }
4176                 }
4177         }
4178
4179         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4180                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4181
4182         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4183         if (tp->link_config.active_duplex == DUPLEX_HALF)
4184                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4185
4186         tw32_f(MAC_MODE, tp->mac_mode);
4187         udelay(40);
4188
4189         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4190
4191         tp->link_config.active_speed = current_speed;
4192         tp->link_config.active_duplex = current_duplex;
4193
4194         if (current_link_up != netif_carrier_ok(tp->dev)) {
4195                 if (current_link_up)
4196                         netif_carrier_on(tp->dev);
4197                 else {
4198                         netif_carrier_off(tp->dev);
4199                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4200                 }
4201                 tg3_link_report(tp);
4202         }
4203         return err;
4204 }
4205
4206 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4207 {
4208         if (tp->serdes_counter) {
4209                 /* Give autoneg time to complete. */
4210                 tp->serdes_counter--;
4211                 return;
4212         }
4213
4214         if (!netif_carrier_ok(tp->dev) &&
4215             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4216                 u32 bmcr;
4217
4218                 tg3_readphy(tp, MII_BMCR, &bmcr);
4219                 if (bmcr & BMCR_ANENABLE) {
4220                         u32 phy1, phy2;
4221
4222                         /* Select shadow register 0x1f */
4223                         tg3_writephy(tp, 0x1c, 0x7c00);
4224                         tg3_readphy(tp, 0x1c, &phy1);
4225
4226                         /* Select expansion interrupt status register */
4227                         tg3_writephy(tp, 0x17, 0x0f01);
4228                         tg3_readphy(tp, 0x15, &phy2);
4229                         tg3_readphy(tp, 0x15, &phy2);
4230
4231                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4232                                 /* We have signal detect and not receiving
4233                                  * config code words, link is up by parallel
4234                                  * detection.
4235                                  */
4236
4237                                 bmcr &= ~BMCR_ANENABLE;
4238                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4239                                 tg3_writephy(tp, MII_BMCR, bmcr);
4240                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4241                         }
4242                 }
4243         } else if (netif_carrier_ok(tp->dev) &&
4244                    (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4245                    (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4246                 u32 phy2;
4247
4248                 /* Select expansion interrupt status register */
4249                 tg3_writephy(tp, 0x17, 0x0f01);
4250                 tg3_readphy(tp, 0x15, &phy2);
4251                 if (phy2 & 0x20) {
4252                         u32 bmcr;
4253
4254                         /* Config code words received, turn on autoneg. */
4255                         tg3_readphy(tp, MII_BMCR, &bmcr);
4256                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4257
4258                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4259
4260                 }
4261         }
4262 }
4263
4264 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4265 {
4266         int err;
4267
4268         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
4269                 err = tg3_setup_fiber_phy(tp, force_reset);
4270         else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
4271                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4272         else
4273                 err = tg3_setup_copper_phy(tp, force_reset);
4274
4275         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4276                 u32 val, scale;
4277
4278                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4279                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4280                         scale = 65;
4281                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4282                         scale = 6;
4283                 else
4284                         scale = 12;
4285
4286                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4287                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4288                 tw32(GRC_MISC_CFG, val);
4289         }
4290
4291         if (tp->link_config.active_speed == SPEED_1000 &&
4292             tp->link_config.active_duplex == DUPLEX_HALF)
4293                 tw32(MAC_TX_LENGTHS,
4294                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4295                       (6 << TX_LENGTHS_IPG_SHIFT) |
4296                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4297         else
4298                 tw32(MAC_TX_LENGTHS,
4299                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4300                       (6 << TX_LENGTHS_IPG_SHIFT) |
4301                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4302
4303         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4304                 if (netif_carrier_ok(tp->dev)) {
4305                         tw32(HOSTCC_STAT_COAL_TICKS,
4306                              tp->coal.stats_block_coalesce_usecs);
4307                 } else {
4308                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4309                 }
4310         }
4311
4312         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4313                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4314                 if (!netif_carrier_ok(tp->dev))
4315                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4316                               tp->pwrmgmt_thresh;
4317                 else
4318                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4319                 tw32(PCIE_PWR_MGMT_THRESH, val);
4320         }
4321
4322         return err;
4323 }
4324
4325 /* This is called whenever we suspect that the system chipset is re-
4326  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4327  * is bogus tx completions. We try to recover by setting the
4328  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4329  * in the workqueue.
4330  */
4331 static void tg3_tx_recover(struct tg3 *tp)
4332 {
4333         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4334                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4335
4336         netdev_warn(tp->dev,
4337                     "The system may be re-ordering memory-mapped I/O "
4338                     "cycles to the network device, attempting to recover. "
4339                     "Please report the problem to the driver maintainer "
4340                     "and include system chipset information.\n");
4341
4342         spin_lock(&tp->lock);
4343         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4344         spin_unlock(&tp->lock);
4345 }
4346
4347 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4348 {
4349         smp_mb();
4350         return tnapi->tx_pending -
4351                ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4352 }
4353
4354 /* Tigon3 never reports partial packet sends.  So we do not
4355  * need special logic to handle SKBs that have not had all
4356  * of their frags sent yet, like SunGEM does.
4357  */
4358 static void tg3_tx(struct tg3_napi *tnapi)
4359 {
4360         struct tg3 *tp = tnapi->tp;
4361         u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4362         u32 sw_idx = tnapi->tx_cons;
4363         struct netdev_queue *txq;
4364         int index = tnapi - tp->napi;
4365
4366         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
4367                 index--;
4368
4369         txq = netdev_get_tx_queue(tp->dev, index);
4370
4371         while (sw_idx != hw_idx) {
4372                 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
4373                 struct sk_buff *skb = ri->skb;
4374                 int i, tx_bug = 0;
4375
4376                 if (unlikely(skb == NULL)) {
4377                         tg3_tx_recover(tp);
4378                         return;
4379                 }
4380
4381                 pci_unmap_single(tp->pdev,
4382                                  pci_unmap_addr(ri, mapping),
4383                                  skb_headlen(skb),
4384                                  PCI_DMA_TODEVICE);
4385
4386                 ri->skb = NULL;
4387
4388                 sw_idx = NEXT_TX(sw_idx);
4389
4390                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4391                         ri = &tnapi->tx_buffers[sw_idx];
4392                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4393                                 tx_bug = 1;
4394
4395                         pci_unmap_page(tp->pdev,
4396                                        pci_unmap_addr(ri, mapping),
4397                                        skb_shinfo(skb)->frags[i].size,
4398                                        PCI_DMA_TODEVICE);
4399                         sw_idx = NEXT_TX(sw_idx);
4400                 }
4401
4402                 dev_kfree_skb(skb);
4403
4404                 if (unlikely(tx_bug)) {
4405                         tg3_tx_recover(tp);
4406                         return;
4407                 }
4408         }
4409
4410         tnapi->tx_cons = sw_idx;
4411
4412         /* Need to make the tx_cons update visible to tg3_start_xmit()
4413          * before checking for netif_queue_stopped().  Without the
4414          * memory barrier, there is a small possibility that tg3_start_xmit()
4415          * will miss it and cause the queue to be stopped forever.
4416          */
4417         smp_mb();
4418
4419         if (unlikely(netif_tx_queue_stopped(txq) &&
4420                      (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4421                 __netif_tx_lock(txq, smp_processor_id());
4422                 if (netif_tx_queue_stopped(txq) &&
4423                     (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4424                         netif_tx_wake_queue(txq);
4425                 __netif_tx_unlock(txq);
4426         }
4427 }
4428
4429 static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4430 {
4431         if (!ri->skb)
4432                 return;
4433
4434         pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
4435                          map_sz, PCI_DMA_FROMDEVICE);
4436         dev_kfree_skb_any(ri->skb);
4437         ri->skb = NULL;
4438 }
4439
4440 /* Returns size of skb allocated or < 0 on error.
4441  *
4442  * We only need to fill in the address because the other members
4443  * of the RX descriptor are invariant, see tg3_init_rings.
4444  *
4445  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4446  * posting buffers we only dirty the first cache line of the RX
4447  * descriptor (containing the address).  Whereas for the RX status
4448  * buffers the cpu only reads the last cacheline of the RX descriptor
4449  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4450  */
4451 static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
4452                             u32 opaque_key, u32 dest_idx_unmasked)
4453 {
4454         struct tg3_rx_buffer_desc *desc;
4455         struct ring_info *map, *src_map;
4456         struct sk_buff *skb;
4457         dma_addr_t mapping;
4458         int skb_size, dest_idx;
4459
4460         src_map = NULL;
4461         switch (opaque_key) {
4462         case RXD_OPAQUE_RING_STD:
4463                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4464                 desc = &tpr->rx_std[dest_idx];
4465                 map = &tpr->rx_std_buffers[dest_idx];
4466                 skb_size = tp->rx_pkt_map_sz;
4467                 break;
4468
4469         case RXD_OPAQUE_RING_JUMBO:
4470                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4471                 desc = &tpr->rx_jmb[dest_idx].std;
4472                 map = &tpr->rx_jmb_buffers[dest_idx];
4473                 skb_size = TG3_RX_JMB_MAP_SZ;
4474                 break;
4475
4476         default:
4477                 return -EINVAL;
4478         }
4479
4480         /* Do not overwrite any of the map or rp information
4481          * until we are sure we can commit to a new buffer.
4482          *
4483          * Callers depend upon this behavior and assume that
4484          * we leave everything unchanged if we fail.
4485          */
4486         skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4487         if (skb == NULL)
4488                 return -ENOMEM;
4489
4490         skb_reserve(skb, tp->rx_offset);
4491
4492         mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4493                                  PCI_DMA_FROMDEVICE);
4494         if (pci_dma_mapping_error(tp->pdev, mapping)) {
4495                 dev_kfree_skb(skb);
4496                 return -EIO;
4497         }
4498
4499         map->skb = skb;
4500         pci_unmap_addr_set(map, mapping, mapping);
4501
4502         desc->addr_hi = ((u64)mapping >> 32);
4503         desc->addr_lo = ((u64)mapping & 0xffffffff);
4504
4505         return skb_size;
4506 }
4507
4508 /* We only need to move over in the address because the other
4509  * members of the RX descriptor are invariant.  See notes above
4510  * tg3_alloc_rx_skb for full details.
4511  */
4512 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4513                            struct tg3_rx_prodring_set *dpr,
4514                            u32 opaque_key, int src_idx,
4515                            u32 dest_idx_unmasked)
4516 {
4517         struct tg3 *tp = tnapi->tp;
4518         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4519         struct ring_info *src_map, *dest_map;
4520         struct tg3_rx_prodring_set *spr = &tp->prodring[0];
4521         int dest_idx;
4522
4523         switch (opaque_key) {
4524         case RXD_OPAQUE_RING_STD:
4525                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4526                 dest_desc = &dpr->rx_std[dest_idx];
4527                 dest_map = &dpr->rx_std_buffers[dest_idx];
4528                 src_desc = &spr->rx_std[src_idx];
4529                 src_map = &spr->rx_std_buffers[src_idx];
4530                 break;
4531
4532         case RXD_OPAQUE_RING_JUMBO:
4533                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4534                 dest_desc = &dpr->rx_jmb[dest_idx].std;
4535                 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4536                 src_desc = &spr->rx_jmb[src_idx].std;
4537                 src_map = &spr->rx_jmb_buffers[src_idx];
4538                 break;
4539
4540         default:
4541                 return;
4542         }
4543
4544         dest_map->skb = src_map->skb;
4545         pci_unmap_addr_set(dest_map, mapping,
4546                            pci_unmap_addr(src_map, mapping));
4547         dest_desc->addr_hi = src_desc->addr_hi;
4548         dest_desc->addr_lo = src_desc->addr_lo;
4549
4550         /* Ensure that the update to the skb happens after the physical
4551          * addresses have been transferred to the new BD location.
4552          */
4553         smp_wmb();
4554
4555         src_map->skb = NULL;
4556 }
4557
4558 /* The RX ring scheme is composed of multiple rings which post fresh
4559  * buffers to the chip, and one special ring the chip uses to report
4560  * status back to the host.
4561  *
4562  * The special ring reports the status of received packets to the
4563  * host.  The chip does not write into the original descriptor the
4564  * RX buffer was obtained from.  The chip simply takes the original
4565  * descriptor as provided by the host, updates the status and length
4566  * field, then writes this into the next status ring entry.
4567  *
4568  * Each ring the host uses to post buffers to the chip is described
4569  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4570  * it is first placed into the on-chip ram.  When the packet's length
4571  * is known, it walks down the TG3_BDINFO entries to select the ring.
4572  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4573  * which is within the range of the new packet's length is chosen.
4574  *
4575  * The "separate ring for rx status" scheme may sound queer, but it makes
4576  * sense from a cache coherency perspective.  If only the host writes
4577  * to the buffer post rings, and only the chip writes to the rx status
4578  * rings, then cache lines never move beyond shared-modified state.
4579  * If both the host and chip were to write into the same ring, cache line
4580  * eviction could occur since both entities want it in an exclusive state.
4581  */
4582 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4583 {
4584         struct tg3 *tp = tnapi->tp;
4585         u32 work_mask, rx_std_posted = 0;
4586         u32 std_prod_idx, jmb_prod_idx;
4587         u32 sw_idx = tnapi->rx_rcb_ptr;
4588         u16 hw_idx;
4589         int received;
4590         struct tg3_rx_prodring_set *tpr = tnapi->prodring;
4591
4592         hw_idx = *(tnapi->rx_rcb_prod_idx);
4593         /*
4594          * We need to order the read of hw_idx and the read of
4595          * the opaque cookie.
4596          */
4597         rmb();
4598         work_mask = 0;
4599         received = 0;
4600         std_prod_idx = tpr->rx_std_prod_idx;
4601         jmb_prod_idx = tpr->rx_jmb_prod_idx;
4602         while (sw_idx != hw_idx && budget > 0) {
4603                 struct ring_info *ri;
4604                 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4605                 unsigned int len;
4606                 struct sk_buff *skb;
4607                 dma_addr_t dma_addr;
4608                 u32 opaque_key, desc_idx, *post_ptr;
4609
4610                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4611                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4612                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4613                         ri = &tp->prodring[0].rx_std_buffers[desc_idx];
4614                         dma_addr = pci_unmap_addr(ri, mapping);
4615                         skb = ri->skb;
4616                         post_ptr = &std_prod_idx;
4617                         rx_std_posted++;
4618                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4619                         ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
4620                         dma_addr = pci_unmap_addr(ri, mapping);
4621                         skb = ri->skb;
4622                         post_ptr = &jmb_prod_idx;
4623                 } else
4624                         goto next_pkt_nopost;
4625
4626                 work_mask |= opaque_key;
4627
4628                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4629                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4630                 drop_it:
4631                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4632                                        desc_idx, *post_ptr);
4633                 drop_it_no_recycle:
4634                         /* Other statistics kept track of by card. */
4635                         tp->net_stats.rx_dropped++;
4636                         goto next_pkt;
4637                 }
4638
4639                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4640                       ETH_FCS_LEN;
4641
4642                 if (len > RX_COPY_THRESHOLD &&
4643                     tp->rx_offset == NET_IP_ALIGN) {
4644                     /* rx_offset will likely not equal NET_IP_ALIGN
4645                      * if this is a 5701 card running in PCI-X mode
4646                      * [see tg3_get_invariants()]
4647                      */
4648                         int skb_size;
4649
4650                         skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
4651                                                     *post_ptr);
4652                         if (skb_size < 0)
4653                                 goto drop_it;
4654
4655                         pci_unmap_single(tp->pdev, dma_addr, skb_size,
4656                                          PCI_DMA_FROMDEVICE);
4657
4658                         /* Ensure that the update to the skb happens
4659                          * after the usage of the old DMA mapping.
4660                          */
4661                         smp_wmb();
4662
4663                         ri->skb = NULL;
4664
4665                         skb_put(skb, len);
4666                 } else {
4667                         struct sk_buff *copy_skb;
4668
4669                         tg3_recycle_rx(tnapi, tpr, opaque_key,
4670                                        desc_idx, *post_ptr);
4671
4672                         copy_skb = netdev_alloc_skb(tp->dev,
4673                                                     len + TG3_RAW_IP_ALIGN);
4674                         if (copy_skb == NULL)
4675                                 goto drop_it_no_recycle;
4676
4677                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4678                         skb_put(copy_skb, len);
4679                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4680                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4681                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4682
4683                         /* We'll reuse the original ring buffer. */
4684                         skb = copy_skb;
4685                 }
4686
4687                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4688                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4689                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4690                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4691                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4692                 else
4693                         skb->ip_summed = CHECKSUM_NONE;
4694
4695                 skb->protocol = eth_type_trans(skb, tp->dev);
4696
4697                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4698                     skb->protocol != htons(ETH_P_8021Q)) {
4699                         dev_kfree_skb(skb);
4700                         goto next_pkt;
4701                 }
4702
4703 #if TG3_VLAN_TAG_USED
4704                 if (tp->vlgrp != NULL &&
4705                     desc->type_flags & RXD_FLAG_VLAN) {
4706                         vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4707                                          desc->err_vlan & RXD_VLAN_MASK, skb);
4708                 } else
4709 #endif
4710                         napi_gro_receive(&tnapi->napi, skb);
4711
4712                 received++;
4713                 budget--;
4714
4715 next_pkt:
4716                 (*post_ptr)++;
4717
4718                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4719                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4720                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4721                                      tpr->rx_std_prod_idx);
4722                         work_mask &= ~RXD_OPAQUE_RING_STD;
4723                         rx_std_posted = 0;
4724                 }
4725 next_pkt_nopost:
4726                 sw_idx++;
4727                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4728
4729                 /* Refresh hw_idx to see if there is new work */
4730                 if (sw_idx == hw_idx) {
4731                         hw_idx = *(tnapi->rx_rcb_prod_idx);
4732                         rmb();
4733                 }
4734         }
4735
4736         /* ACK the status ring. */
4737         tnapi->rx_rcb_ptr = sw_idx;
4738         tw32_rx_mbox(tnapi->consmbox, sw_idx);
4739
4740         /* Refill RX ring(s). */
4741         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4742                 if (work_mask & RXD_OPAQUE_RING_STD) {
4743                         tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4744                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4745                                      tpr->rx_std_prod_idx);
4746                 }
4747                 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4748                         tpr->rx_jmb_prod_idx = jmb_prod_idx %
4749                                                TG3_RX_JUMBO_RING_SIZE;
4750                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4751                                      tpr->rx_jmb_prod_idx);
4752                 }
4753                 mmiowb();
4754         } else if (work_mask) {
4755                 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4756                  * updated before the producer indices can be updated.
4757                  */
4758                 smp_wmb();
4759
4760                 tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
4761                 tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
4762
4763                 if (tnapi != &tp->napi[1])
4764                         napi_schedule(&tp->napi[1].napi);
4765         }
4766
4767         return received;
4768 }
4769
4770 static void tg3_poll_link(struct tg3 *tp)
4771 {
4772         /* handle link change and other phy events */
4773         if (!(tp->tg3_flags &
4774               (TG3_FLAG_USE_LINKCHG_REG |
4775                TG3_FLAG_POLL_SERDES))) {
4776                 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4777
4778                 if (sblk->status & SD_STATUS_LINK_CHG) {
4779                         sblk->status = SD_STATUS_UPDATED |
4780                                        (sblk->status & ~SD_STATUS_LINK_CHG);
4781                         spin_lock(&tp->lock);
4782                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4783                                 tw32_f(MAC_STATUS,
4784                                      (MAC_STATUS_SYNC_CHANGED |
4785                                       MAC_STATUS_CFG_CHANGED |
4786                                       MAC_STATUS_MI_COMPLETION |
4787                                       MAC_STATUS_LNKSTATE_CHANGED));
4788                                 udelay(40);
4789                         } else
4790                                 tg3_setup_phy(tp, 0);
4791                         spin_unlock(&tp->lock);
4792                 }
4793         }
4794 }
4795
4796 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4797                                 struct tg3_rx_prodring_set *dpr,
4798                                 struct tg3_rx_prodring_set *spr)
4799 {
4800         u32 si, di, cpycnt, src_prod_idx;
4801         int i, err = 0;
4802
4803         while (1) {
4804                 src_prod_idx = spr->rx_std_prod_idx;
4805
4806                 /* Make sure updates to the rx_std_buffers[] entries and the
4807                  * standard producer index are seen in the correct order.
4808                  */
4809                 smp_rmb();
4810
4811                 if (spr->rx_std_cons_idx == src_prod_idx)
4812                         break;
4813
4814                 if (spr->rx_std_cons_idx < src_prod_idx)
4815                         cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4816                 else
4817                         cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
4818
4819                 cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
4820
4821                 si = spr->rx_std_cons_idx;
4822                 di = dpr->rx_std_prod_idx;
4823
4824                 for (i = di; i < di + cpycnt; i++) {
4825                         if (dpr->rx_std_buffers[i].skb) {
4826                                 cpycnt = i - di;
4827                                 err = -ENOSPC;
4828                                 break;
4829                         }
4830                 }
4831
4832                 if (!cpycnt)
4833                         break;
4834
4835                 /* Ensure that updates to the rx_std_buffers ring and the
4836                  * shadowed hardware producer ring from tg3_recycle_skb() are
4837                  * ordered correctly WRT the skb check above.
4838                  */
4839                 smp_rmb();
4840
4841                 memcpy(&dpr->rx_std_buffers[di],
4842                        &spr->rx_std_buffers[si],
4843                        cpycnt * sizeof(struct ring_info));
4844
4845                 for (i = 0; i < cpycnt; i++, di++, si++) {
4846                         struct tg3_rx_buffer_desc *sbd, *dbd;
4847                         sbd = &spr->rx_std[si];
4848                         dbd = &dpr->rx_std[di];
4849                         dbd->addr_hi = sbd->addr_hi;
4850                         dbd->addr_lo = sbd->addr_lo;
4851                 }
4852
4853                 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
4854                                        TG3_RX_RING_SIZE;
4855                 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
4856                                        TG3_RX_RING_SIZE;
4857         }
4858
4859         while (1) {
4860                 src_prod_idx = spr->rx_jmb_prod_idx;
4861
4862                 /* Make sure updates to the rx_jmb_buffers[] entries and
4863                  * the jumbo producer index are seen in the correct order.
4864                  */
4865                 smp_rmb();
4866
4867                 if (spr->rx_jmb_cons_idx == src_prod_idx)
4868                         break;
4869
4870                 if (spr->rx_jmb_cons_idx < src_prod_idx)
4871                         cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
4872                 else
4873                         cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
4874
4875                 cpycnt = min(cpycnt,
4876                              TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
4877
4878                 si = spr->rx_jmb_cons_idx;
4879                 di = dpr->rx_jmb_prod_idx;
4880
4881                 for (i = di; i < di + cpycnt; i++) {
4882                         if (dpr->rx_jmb_buffers[i].skb) {
4883                                 cpycnt = i - di;
4884                                 err = -ENOSPC;
4885                                 break;
4886                         }
4887                 }
4888
4889                 if (!cpycnt)
4890                         break;
4891
4892                 /* Ensure that updates to the rx_jmb_buffers ring and the
4893                  * shadowed hardware producer ring from tg3_recycle_skb() are
4894                  * ordered correctly WRT the skb check above.
4895                  */
4896                 smp_rmb();
4897
4898                 memcpy(&dpr->rx_jmb_buffers[di],
4899                        &spr->rx_jmb_buffers[si],
4900                        cpycnt * sizeof(struct ring_info));
4901
4902                 for (i = 0; i < cpycnt; i++, di++, si++) {
4903                         struct tg3_rx_buffer_desc *sbd, *dbd;
4904                         sbd = &spr->rx_jmb[si].std;
4905                         dbd = &dpr->rx_jmb[di].std;
4906                         dbd->addr_hi = sbd->addr_hi;
4907                         dbd->addr_lo = sbd->addr_lo;
4908                 }
4909
4910                 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
4911                                        TG3_RX_JUMBO_RING_SIZE;
4912                 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
4913                                        TG3_RX_JUMBO_RING_SIZE;
4914         }
4915
4916         return err;
4917 }
4918
4919 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4920 {
4921         struct tg3 *tp = tnapi->tp;
4922
4923         /* run TX completion thread */
4924         if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4925                 tg3_tx(tnapi);
4926                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4927                         return work_done;
4928         }
4929
4930         /* run RX thread, within the bounds set by NAPI.
4931          * All RX "locking" is done by ensuring outside
4932          * code synchronizes with tg3->napi.poll()
4933          */
4934         if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4935                 work_done += tg3_rx(tnapi, budget - work_done);
4936
4937         if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
4938                 struct tg3_rx_prodring_set *dpr = &tp->prodring[0];
4939                 int i, err = 0;
4940                 u32 std_prod_idx = dpr->rx_std_prod_idx;
4941                 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
4942
4943                 for (i = 1; i < tp->irq_cnt; i++)
4944                         err |= tg3_rx_prodring_xfer(tp, dpr,
4945                                                     tp->napi[i].prodring);
4946
4947                 wmb();
4948
4949                 if (std_prod_idx != dpr->rx_std_prod_idx)
4950                         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4951                                      dpr->rx_std_prod_idx);
4952
4953                 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
4954                         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4955                                      dpr->rx_jmb_prod_idx);
4956
4957                 mmiowb();
4958
4959                 if (err)
4960                         tw32_f(HOSTCC_MODE, tp->coal_now);
4961         }
4962
4963         return work_done;
4964 }
4965
4966 static int tg3_poll_msix(struct napi_struct *napi, int budget)
4967 {
4968         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4969         struct tg3 *tp = tnapi->tp;
4970         int work_done = 0;
4971         struct tg3_hw_status *sblk = tnapi->hw_status;
4972
4973         while (1) {
4974                 work_done = tg3_poll_work(tnapi, work_done, budget);
4975
4976                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4977                         goto tx_recovery;
4978
4979                 if (unlikely(work_done >= budget))
4980                         break;
4981
4982                 /* tp->last_tag is used in tg3_int_reenable() below
4983                  * to tell the hw how much work has been processed,
4984                  * so we must read it before checking for more work.
4985                  */
4986                 tnapi->last_tag = sblk->status_tag;
4987                 tnapi->last_irq_tag = tnapi->last_tag;
4988                 rmb();
4989
4990                 /* check for RX/TX work to do */
4991                 if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4992                            *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
4993                         napi_complete(napi);
4994                         /* Reenable interrupts. */
4995                         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
4996                         mmiowb();
4997                         break;
4998                 }
4999         }
5000
5001         return work_done;
5002
5003 tx_recovery:
5004         /* work_done is guaranteed to be less than budget. */
5005         napi_complete(napi);
5006         schedule_work(&tp->reset_task);
5007         return work_done;
5008 }
5009
5010 static int tg3_poll(struct napi_struct *napi, int budget)
5011 {
5012         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5013         struct tg3 *tp = tnapi->tp;
5014         int work_done = 0;
5015         struct tg3_hw_status *sblk = tnapi->hw_status;
5016
5017         while (1) {
5018                 tg3_poll_link(tp);
5019
5020                 work_done = tg3_poll_work(tnapi, work_done, budget);
5021
5022                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5023                         goto tx_recovery;
5024
5025                 if (unlikely(work_done >= budget))
5026                         break;
5027
5028                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5029                         /* tp->last_tag is used in tg3_int_reenable() below
5030                          * to tell the hw how much work has been processed,
5031                          * so we must read it before checking for more work.
5032                          */
5033                         tnapi->last_tag = sblk->status_tag;
5034                         tnapi->last_irq_tag = tnapi->last_tag;
5035                         rmb();
5036                 } else
5037                         sblk->status &= ~SD_STATUS_UPDATED;
5038
5039                 if (likely(!tg3_has_work(tnapi))) {
5040                         napi_complete(napi);
5041                         tg3_int_reenable(tnapi);
5042                         break;
5043                 }
5044         }
5045
5046         return work_done;
5047
5048 tx_recovery:
5049         /* work_done is guaranteed to be less than budget. */
5050         napi_complete(napi);
5051         schedule_work(&tp->reset_task);
5052         return work_done;
5053 }
5054
5055 static void tg3_irq_quiesce(struct tg3 *tp)
5056 {
5057         int i;
5058
5059         BUG_ON(tp->irq_sync);
5060
5061         tp->irq_sync = 1;
5062         smp_mb();
5063
5064         for (i = 0; i < tp->irq_cnt; i++)
5065                 synchronize_irq(tp->napi[i].irq_vec);
5066 }
5067
5068 static inline int tg3_irq_sync(struct tg3 *tp)
5069 {
5070         return tp->irq_sync;
5071 }
5072
5073 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5074  * If irq_sync is non-zero, then the IRQ handler must be synchronized
5075  * with as well.  Most of the time, this is not necessary except when
5076  * shutting down the device.
5077  */
5078 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5079 {
5080         spin_lock_bh(&tp->lock);
5081         if (irq_sync)
5082                 tg3_irq_quiesce(tp);
5083 }
5084
5085 static inline void tg3_full_unlock(struct tg3 *tp)
5086 {
5087         spin_unlock_bh(&tp->lock);
5088 }
5089
5090 /* One-shot MSI handler - Chip automatically disables interrupt
5091  * after sending MSI so driver doesn't have to do it.
5092  */
5093 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5094 {
5095         struct tg3_napi *tnapi = dev_id;
5096         struct tg3 *tp = tnapi->tp;
5097
5098         prefetch(tnapi->hw_status);
5099         if (tnapi->rx_rcb)
5100                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5101
5102         if (likely(!tg3_irq_sync(tp)))
5103                 napi_schedule(&tnapi->napi);
5104
5105         return IRQ_HANDLED;
5106 }
5107
5108 /* MSI ISR - No need to check for interrupt sharing and no need to
5109  * flush status block and interrupt mailbox. PCI ordering rules
5110  * guarantee that MSI will arrive after the status block.
5111  */
5112 static irqreturn_t tg3_msi(int irq, void *dev_id)
5113 {
5114         struct tg3_napi *tnapi = dev_id;
5115         struct tg3 *tp = tnapi->tp;
5116
5117         prefetch(tnapi->hw_status);
5118         if (tnapi->rx_rcb)
5119                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5120         /*
5121          * Writing any value to intr-mbox-0 clears PCI INTA# and
5122          * chip-internal interrupt pending events.
5123          * Writing non-zero to intr-mbox-0 additional tells the
5124          * NIC to stop sending us irqs, engaging "in-intr-handler"
5125          * event coalescing.
5126          */
5127         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5128         if (likely(!tg3_irq_sync(tp)))
5129                 napi_schedule(&tnapi->napi);
5130
5131         return IRQ_RETVAL(1);
5132 }
5133
5134 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5135 {
5136         struct tg3_napi *tnapi = dev_id;
5137         struct tg3 *tp = tnapi->tp;
5138         struct tg3_hw_status *sblk = tnapi->hw_status;
5139         unsigned int handled = 1;
5140
5141         /* In INTx mode, it is possible for the interrupt to arrive at
5142          * the CPU before the status block posted prior to the interrupt.
5143          * Reading the PCI State register will confirm whether the
5144          * interrupt is ours and will flush the status block.
5145          */
5146         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5147                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5148                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5149                         handled = 0;
5150                         goto out;
5151                 }
5152         }
5153
5154         /*
5155          * Writing any value to intr-mbox-0 clears PCI INTA# and
5156          * chip-internal interrupt pending events.
5157          * Writing non-zero to intr-mbox-0 additional tells the
5158          * NIC to stop sending us irqs, engaging "in-intr-handler"
5159          * event coalescing.
5160          *
5161          * Flush the mailbox to de-assert the IRQ immediately to prevent
5162          * spurious interrupts.  The flush impacts performance but
5163          * excessive spurious interrupts can be worse in some cases.
5164          */
5165         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5166         if (tg3_irq_sync(tp))
5167                 goto out;
5168         sblk->status &= ~SD_STATUS_UPDATED;
5169         if (likely(tg3_has_work(tnapi))) {
5170                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5171                 napi_schedule(&tnapi->napi);
5172         } else {
5173                 /* No work, shared interrupt perhaps?  re-enable
5174                  * interrupts, and flush that PCI write
5175                  */
5176                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5177                                0x00000000);
5178         }
5179 out:
5180         return IRQ_RETVAL(handled);
5181 }
5182
5183 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5184 {
5185         struct tg3_napi *tnapi = dev_id;
5186         struct tg3 *tp = tnapi->tp;
5187         struct tg3_hw_status *sblk = tnapi->hw_status;
5188         unsigned int handled = 1;
5189
5190         /* In INTx mode, it is possible for the interrupt to arrive at
5191          * the CPU before the status block posted prior to the interrupt.
5192          * Reading the PCI State register will confirm whether the
5193          * interrupt is ours and will flush the status block.
5194          */
5195         if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5196                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5197                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5198                         handled = 0;
5199                         goto out;
5200                 }
5201         }
5202
5203         /*
5204          * writing any value to intr-mbox-0 clears PCI INTA# and
5205          * chip-internal interrupt pending events.
5206          * writing non-zero to intr-mbox-0 additional tells the
5207          * NIC to stop sending us irqs, engaging "in-intr-handler"
5208          * event coalescing.
5209          *
5210          * Flush the mailbox to de-assert the IRQ immediately to prevent
5211          * spurious interrupts.  The flush impacts performance but
5212          * excessive spurious interrupts can be worse in some cases.
5213          */
5214         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5215
5216         /*
5217          * In a shared interrupt configuration, sometimes other devices'
5218          * interrupts will scream.  We record the current status tag here
5219          * so that the above check can report that the screaming interrupts
5220          * are unhandled.  Eventually they will be silenced.
5221          */
5222         tnapi->last_irq_tag = sblk->status_tag;
5223
5224         if (tg3_irq_sync(tp))
5225                 goto out;
5226
5227         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5228
5229         napi_schedule(&tnapi->napi);
5230
5231 out:
5232         return IRQ_RETVAL(handled);
5233 }
5234
5235 /* ISR for interrupt test */
5236 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5237 {
5238         struct tg3_napi *tnapi = dev_id;
5239         struct tg3 *tp = tnapi->tp;
5240         struct tg3_hw_status *sblk = tnapi->hw_status;
5241
5242         if ((sblk->status & SD_STATUS_UPDATED) ||
5243             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5244                 tg3_disable_ints(tp);
5245                 return IRQ_RETVAL(1);
5246         }
5247         return IRQ_RETVAL(0);
5248 }
5249
5250 static int tg3_init_hw(struct tg3 *, int);
5251 static int tg3_halt(struct tg3 *, int, int);
5252
5253 /* Restart hardware after configuration changes, self-test, etc.
5254  * Invoked with tp->lock held.
5255  */
5256 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5257         __releases(tp->lock)
5258         __acquires(tp->lock)
5259 {
5260         int err;
5261
5262         err = tg3_init_hw(tp, reset_phy);
5263         if (err) {
5264                 netdev_err(tp->dev,
5265                            "Failed to re-initialize device, aborting\n");
5266                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5267                 tg3_full_unlock(tp);
5268                 del_timer_sync(&tp->timer);
5269                 tp->irq_sync = 0;
5270                 tg3_napi_enable(tp);
5271                 dev_close(tp->dev);
5272                 tg3_full_lock(tp, 0);
5273         }
5274         return err;
5275 }
5276
5277 #ifdef CONFIG_NET_POLL_CONTROLLER
5278 static void tg3_poll_controller(struct net_device *dev)
5279 {
5280         int i;
5281         struct tg3 *tp = netdev_priv(dev);
5282
5283         for (i = 0; i < tp->irq_cnt; i++)
5284                 tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
5285 }
5286 #endif
5287
5288 static void tg3_reset_task(struct work_struct *work)
5289 {
5290         struct tg3 *tp = container_of(work, struct tg3, reset_task);
5291         int err;
5292         unsigned int restart_timer;
5293
5294         tg3_full_lock(tp, 0);
5295
5296         if (!netif_running(tp->dev)) {
5297                 tg3_full_unlock(tp);
5298                 return;
5299         }
5300
5301         tg3_full_unlock(tp);
5302
5303         tg3_phy_stop(tp);
5304
5305         tg3_netif_stop(tp);
5306
5307         tg3_full_lock(tp, 1);
5308
5309         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5310         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5311
5312         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5313                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5314                 tp->write32_rx_mbox = tg3_write_flush_reg32;
5315                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5316                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5317         }
5318
5319         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5320         err = tg3_init_hw(tp, 1);
5321         if (err)
5322                 goto out;
5323
5324         tg3_netif_start(tp);
5325
5326         if (restart_timer)
5327                 mod_timer(&tp->timer, jiffies + 1);
5328
5329 out:
5330         tg3_full_unlock(tp);
5331
5332         if (!err)
5333                 tg3_phy_start(tp);
5334 }
5335
5336 static void tg3_dump_short_state(struct tg3 *tp)
5337 {
5338         netdev_err(tp->dev, "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5339                    tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5340         netdev_err(tp->dev, "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5341                    tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5342 }
5343
5344 static void tg3_tx_timeout(struct net_device *dev)
5345 {
5346         struct tg3 *tp = netdev_priv(dev);
5347
5348         if (netif_msg_tx_err(tp)) {
5349                 netdev_err(dev, "transmit timed out, resetting\n");
5350                 tg3_dump_short_state(tp);
5351         }
5352
5353         schedule_work(&tp->reset_task);
5354 }
5355
5356 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5357 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5358 {
5359         u32 base = (u32) mapping & 0xffffffff;
5360
5361         return ((base > 0xffffdcc0) &&
5362                 (base + len + 8 < base));
5363 }
5364
5365 /* Test for DMA addresses > 40-bit */
5366 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5367                                           int len)
5368 {
5369 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5370         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5371                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5372         return 0;
5373 #else
5374         return 0;
5375 #endif
5376 }
5377
5378 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5379
5380 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5381 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5382                                        struct sk_buff *skb, u32 last_plus_one,
5383                                        u32 *start, u32 base_flags, u32 mss)
5384 {
5385         struct tg3 *tp = tnapi->tp;
5386         struct sk_buff *new_skb;
5387         dma_addr_t new_addr = 0;
5388         u32 entry = *start;
5389         int i, ret = 0;
5390
5391         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5392                 new_skb = skb_copy(skb, GFP_ATOMIC);
5393         else {
5394                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5395
5396                 new_skb = skb_copy_expand(skb,
5397                                           skb_headroom(skb) + more_headroom,
5398                                           skb_tailroom(skb), GFP_ATOMIC);
5399         }
5400
5401         if (!new_skb) {
5402                 ret = -1;
5403         } else {
5404                 /* New SKB is guaranteed to be linear. */
5405                 entry = *start;
5406                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5407                                           PCI_DMA_TODEVICE);
5408                 /* Make sure the mapping succeeded */
5409                 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5410                         ret = -1;
5411                         dev_kfree_skb(new_skb);
5412                         new_skb = NULL;
5413
5414                 /* Make sure new skb does not cross any 4G boundaries.
5415                  * Drop the packet if it does.
5416                  */
5417                 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5418                             tg3_4g_overflow_test(new_addr, new_skb->len)) {
5419                         pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5420                                          PCI_DMA_TODEVICE);
5421                         ret = -1;
5422                         dev_kfree_skb(new_skb);
5423                         new_skb = NULL;
5424                 } else {
5425                         tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5426                                     base_flags, 1 | (mss << 1));
5427                         *start = NEXT_TX(entry);
5428                 }
5429         }
5430
5431         /* Now clean up the sw ring entries. */
5432         i = 0;
5433         while (entry != last_plus_one) {
5434                 int len;
5435
5436                 if (i == 0)
5437                         len = skb_headlen(skb);
5438                 else
5439                         len = skb_shinfo(skb)->frags[i-1].size;
5440
5441                 pci_unmap_single(tp->pdev,
5442                                  pci_unmap_addr(&tnapi->tx_buffers[entry],
5443                                                 mapping),
5444                                  len, PCI_DMA_TODEVICE);
5445                 if (i == 0) {
5446                         tnapi->tx_buffers[entry].skb = new_skb;
5447                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5448                                            new_addr);
5449                 } else {
5450                         tnapi->tx_buffers[entry].skb = NULL;
5451                 }
5452                 entry = NEXT_TX(entry);
5453                 i++;
5454         }
5455
5456         dev_kfree_skb(skb);
5457
5458         return ret;
5459 }
5460
5461 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5462                         dma_addr_t mapping, int len, u32 flags,
5463                         u32 mss_and_is_end)
5464 {
5465         struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5466         int is_end = (mss_and_is_end & 0x1);
5467         u32 mss = (mss_and_is_end >> 1);
5468         u32 vlan_tag = 0;
5469
5470         if (is_end)
5471                 flags |= TXD_FLAG_END;
5472         if (flags & TXD_FLAG_VLAN) {
5473                 vlan_tag = flags >> 16;
5474                 flags &= 0xffff;
5475         }
5476         vlan_tag |= (mss << TXD_MSS_SHIFT);
5477
5478         txd->addr_hi = ((u64) mapping >> 32);
5479         txd->addr_lo = ((u64) mapping & 0xffffffff);
5480         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5481         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5482 }
5483
5484 /* hard_start_xmit for devices that don't have any bugs and
5485  * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5486  */
5487 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5488                                   struct net_device *dev)
5489 {
5490         struct tg3 *tp = netdev_priv(dev);
5491         u32 len, entry, base_flags, mss;
5492         dma_addr_t mapping;
5493         struct tg3_napi *tnapi;
5494         struct netdev_queue *txq;
5495         unsigned int i, last;
5496
5497         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5498         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5499         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5500                 tnapi++;
5501
5502         /* We are running in BH disabled context with netif_tx_lock
5503          * and TX reclaim runs via tp->napi.poll inside of a software
5504          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5505          * no IRQ context deadlocks to worry about either.  Rejoice!
5506          */
5507         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5508                 if (!netif_tx_queue_stopped(txq)) {
5509                         netif_tx_stop_queue(txq);
5510
5511                         /* This is a hard error, log it. */
5512                         netdev_err(dev,
5513                                    "BUG! Tx Ring full when queue awake!\n");
5514                 }
5515                 return NETDEV_TX_BUSY;
5516         }
5517
5518         entry = tnapi->tx_prod;
5519         base_flags = 0;
5520         mss = 0;
5521         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5522                 int tcp_opt_len, ip_tcp_len;
5523                 u32 hdrlen;
5524
5525                 if (skb_header_cloned(skb) &&
5526                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5527                         dev_kfree_skb(skb);
5528                         goto out_unlock;
5529                 }
5530
5531                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5532                         hdrlen = skb_headlen(skb) - ETH_HLEN;
5533                 else {
5534                         struct iphdr *iph = ip_hdr(skb);
5535
5536                         tcp_opt_len = tcp_optlen(skb);
5537                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5538
5539                         iph->check = 0;
5540                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5541                         hdrlen = ip_tcp_len + tcp_opt_len;
5542                 }
5543
5544                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5545                         mss |= (hdrlen & 0xc) << 12;
5546                         if (hdrlen & 0x10)
5547                                 base_flags |= 0x00000010;
5548                         base_flags |= (hdrlen & 0x3e0) << 5;
5549                 } else
5550                         mss |= hdrlen << 9;
5551
5552                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5553                                TXD_FLAG_CPU_POST_DMA);
5554
5555                 tcp_hdr(skb)->check = 0;
5556
5557         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5558                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5559         }
5560
5561 #if TG3_VLAN_TAG_USED
5562         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5563                 base_flags |= (TXD_FLAG_VLAN |
5564                                (vlan_tx_tag_get(skb) << 16));
5565 #endif
5566
5567         len = skb_headlen(skb);
5568
5569         /* Queue skb data, a.k.a. the main skb fragment. */
5570         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5571         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5572                 dev_kfree_skb(skb);
5573                 goto out_unlock;
5574         }
5575
5576         tnapi->tx_buffers[entry].skb = skb;
5577         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5578
5579         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5580             !mss && skb->len > ETH_DATA_LEN)
5581                 base_flags |= TXD_FLAG_JMB_PKT;
5582
5583         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5584                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5585
5586         entry = NEXT_TX(entry);
5587
5588         /* Now loop through additional data fragments, and queue them. */
5589         if (skb_shinfo(skb)->nr_frags > 0) {
5590                 last = skb_shinfo(skb)->nr_frags - 1;
5591                 for (i = 0; i <= last; i++) {
5592                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5593
5594                         len = frag->size;
5595                         mapping = pci_map_page(tp->pdev,
5596                                                frag->page,
5597                                                frag->page_offset,
5598                                                len, PCI_DMA_TODEVICE);
5599                         if (pci_dma_mapping_error(tp->pdev, mapping))
5600                                 goto dma_error;
5601
5602                         tnapi->tx_buffers[entry].skb = NULL;
5603                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5604                                            mapping);
5605
5606                         tg3_set_txd(tnapi, entry, mapping, len,
5607                                     base_flags, (i == last) | (mss << 1));
5608
5609                         entry = NEXT_TX(entry);
5610                 }
5611         }
5612
5613         /* Packets are ready, update Tx producer idx local and on card. */
5614         tw32_tx_mbox(tnapi->prodmbox, entry);
5615
5616         tnapi->tx_prod = entry;
5617         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5618                 netif_tx_stop_queue(txq);
5619                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5620                         netif_tx_wake_queue(txq);
5621         }
5622
5623 out_unlock:
5624         mmiowb();
5625
5626         return NETDEV_TX_OK;
5627
5628 dma_error:
5629         last = i;
5630         entry = tnapi->tx_prod;
5631         tnapi->tx_buffers[entry].skb = NULL;
5632         pci_unmap_single(tp->pdev,
5633                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5634                          skb_headlen(skb),
5635                          PCI_DMA_TODEVICE);
5636         for (i = 0; i <= last; i++) {
5637                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5638                 entry = NEXT_TX(entry);
5639
5640                 pci_unmap_page(tp->pdev,
5641                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5642                                               mapping),
5643                                frag->size, PCI_DMA_TODEVICE);
5644         }
5645
5646         dev_kfree_skb(skb);
5647         return NETDEV_TX_OK;
5648 }
5649
5650 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5651                                           struct net_device *);
5652
5653 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5654  * TSO header is greater than 80 bytes.
5655  */
5656 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5657 {
5658         struct sk_buff *segs, *nskb;
5659         u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5660
5661         /* Estimate the number of fragments in the worst case */
5662         if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5663                 netif_stop_queue(tp->dev);
5664                 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5665                         return NETDEV_TX_BUSY;
5666
5667                 netif_wake_queue(tp->dev);
5668         }
5669
5670         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5671         if (IS_ERR(segs))
5672                 goto tg3_tso_bug_end;
5673
5674         do {
5675                 nskb = segs;
5676                 segs = segs->next;
5677                 nskb->next = NULL;
5678                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5679         } while (segs);
5680
5681 tg3_tso_bug_end:
5682         dev_kfree_skb(skb);
5683
5684         return NETDEV_TX_OK;
5685 }
5686
5687 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5688  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5689  */
5690 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5691                                           struct net_device *dev)
5692 {
5693         struct tg3 *tp = netdev_priv(dev);
5694         u32 len, entry, base_flags, mss;
5695         int would_hit_hwbug;
5696         dma_addr_t mapping;
5697         struct tg3_napi *tnapi;
5698         struct netdev_queue *txq;
5699         unsigned int i, last;
5700
5701         txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5702         tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5703         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5704                 tnapi++;
5705
5706         /* We are running in BH disabled context with netif_tx_lock
5707          * and TX reclaim runs via tp->napi.poll inside of a software
5708          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5709          * no IRQ context deadlocks to worry about either.  Rejoice!
5710          */
5711         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5712                 if (!netif_tx_queue_stopped(txq)) {
5713                         netif_tx_stop_queue(txq);
5714
5715                         /* This is a hard error, log it. */
5716                         netdev_err(dev,
5717                                    "BUG! Tx Ring full when queue awake!\n");
5718                 }
5719                 return NETDEV_TX_BUSY;
5720         }
5721
5722         entry = tnapi->tx_prod;
5723         base_flags = 0;
5724         if (skb->ip_summed == CHECKSUM_PARTIAL)
5725                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5726
5727         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5728                 struct iphdr *iph;
5729                 u32 tcp_opt_len, ip_tcp_len, hdr_len;
5730
5731                 if (skb_header_cloned(skb) &&
5732                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5733                         dev_kfree_skb(skb);
5734                         goto out_unlock;
5735                 }
5736
5737                 tcp_opt_len = tcp_optlen(skb);
5738                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5739
5740                 hdr_len = ip_tcp_len + tcp_opt_len;
5741                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5742                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5743                         return (tg3_tso_bug(tp, skb));
5744
5745                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5746                                TXD_FLAG_CPU_POST_DMA);
5747
5748                 iph = ip_hdr(skb);
5749                 iph->check = 0;
5750                 iph->tot_len = htons(mss + hdr_len);
5751                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5752                         tcp_hdr(skb)->check = 0;
5753                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5754                 } else
5755                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5756                                                                  iph->daddr, 0,
5757                                                                  IPPROTO_TCP,
5758                                                                  0);
5759
5760                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5761                         mss |= (hdr_len & 0xc) << 12;
5762                         if (hdr_len & 0x10)
5763                                 base_flags |= 0x00000010;
5764                         base_flags |= (hdr_len & 0x3e0) << 5;
5765                 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5766                         mss |= hdr_len << 9;
5767                 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5768                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5769                         if (tcp_opt_len || iph->ihl > 5) {
5770                                 int tsflags;
5771
5772                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5773                                 mss |= (tsflags << 11);
5774                         }
5775                 } else {
5776                         if (tcp_opt_len || iph->ihl > 5) {
5777                                 int tsflags;
5778
5779                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5780                                 base_flags |= tsflags << 12;
5781                         }
5782                 }
5783         }
5784 #if TG3_VLAN_TAG_USED
5785         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5786                 base_flags |= (TXD_FLAG_VLAN |
5787                                (vlan_tx_tag_get(skb) << 16));
5788 #endif
5789
5790         if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5791             !mss && skb->len > ETH_DATA_LEN)
5792                 base_flags |= TXD_FLAG_JMB_PKT;
5793
5794         len = skb_headlen(skb);
5795
5796         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5797         if (pci_dma_mapping_error(tp->pdev, mapping)) {
5798                 dev_kfree_skb(skb);
5799                 goto out_unlock;
5800         }
5801
5802         tnapi->tx_buffers[entry].skb = skb;
5803         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5804
5805         would_hit_hwbug = 0;
5806
5807         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5808                 would_hit_hwbug = 1;
5809
5810         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5811             tg3_4g_overflow_test(mapping, len))
5812                 would_hit_hwbug = 1;
5813
5814         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5815             tg3_40bit_overflow_test(tp, mapping, len))
5816                 would_hit_hwbug = 1;
5817
5818         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5819                 would_hit_hwbug = 1;
5820
5821         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5822                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5823
5824         entry = NEXT_TX(entry);
5825
5826         /* Now loop through additional data fragments, and queue them. */
5827         if (skb_shinfo(skb)->nr_frags > 0) {
5828                 last = skb_shinfo(skb)->nr_frags - 1;
5829                 for (i = 0; i <= last; i++) {
5830                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5831
5832                         len = frag->size;
5833                         mapping = pci_map_page(tp->pdev,
5834                                                frag->page,
5835                                                frag->page_offset,
5836                                                len, PCI_DMA_TODEVICE);
5837
5838                         tnapi->tx_buffers[entry].skb = NULL;
5839                         pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5840                                            mapping);
5841                         if (pci_dma_mapping_error(tp->pdev, mapping))
5842                                 goto dma_error;
5843
5844                         if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5845                             len <= 8)
5846                                 would_hit_hwbug = 1;
5847
5848                         if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5849                             tg3_4g_overflow_test(mapping, len))
5850                                 would_hit_hwbug = 1;
5851
5852                         if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5853                             tg3_40bit_overflow_test(tp, mapping, len))
5854                                 would_hit_hwbug = 1;
5855
5856                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5857                                 tg3_set_txd(tnapi, entry, mapping, len,
5858                                             base_flags, (i == last)|(mss << 1));
5859                         else
5860                                 tg3_set_txd(tnapi, entry, mapping, len,
5861                                             base_flags, (i == last));
5862
5863                         entry = NEXT_TX(entry);
5864                 }
5865         }
5866
5867         if (would_hit_hwbug) {
5868                 u32 last_plus_one = entry;
5869                 u32 start;
5870
5871                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5872                 start &= (TG3_TX_RING_SIZE - 1);
5873
5874                 /* If the workaround fails due to memory/mapping
5875                  * failure, silently drop this packet.
5876                  */
5877                 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5878                                                 &start, base_flags, mss))
5879                         goto out_unlock;
5880
5881                 entry = start;
5882         }
5883
5884         /* Packets are ready, update Tx producer idx local and on card. */
5885         tw32_tx_mbox(tnapi->prodmbox, entry);
5886
5887         tnapi->tx_prod = entry;
5888         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5889                 netif_tx_stop_queue(txq);
5890                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5891                         netif_tx_wake_queue(txq);
5892         }
5893
5894 out_unlock:
5895         mmiowb();
5896
5897         return NETDEV_TX_OK;
5898
5899 dma_error:
5900         last = i;
5901         entry = tnapi->tx_prod;
5902         tnapi->tx_buffers[entry].skb = NULL;
5903         pci_unmap_single(tp->pdev,
5904                          pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5905                          skb_headlen(skb),
5906                          PCI_DMA_TODEVICE);
5907         for (i = 0; i <= last; i++) {
5908                 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5909                 entry = NEXT_TX(entry);
5910
5911                 pci_unmap_page(tp->pdev,
5912                                pci_unmap_addr(&tnapi->tx_buffers[entry],
5913                                               mapping),
5914                                frag->size, PCI_DMA_TODEVICE);
5915         }
5916
5917         dev_kfree_skb(skb);
5918         return NETDEV_TX_OK;
5919 }
5920
5921 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5922                                int new_mtu)
5923 {
5924         dev->mtu = new_mtu;
5925
5926         if (new_mtu > ETH_DATA_LEN) {
5927                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5928                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5929                         ethtool_op_set_tso(dev, 0);
5930                 } else {
5931                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5932                 }
5933         } else {
5934                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5935                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5936                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5937         }
5938 }
5939
5940 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5941 {
5942         struct tg3 *tp = netdev_priv(dev);
5943         int err;
5944
5945         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5946                 return -EINVAL;
5947
5948         if (!netif_running(dev)) {
5949                 /* We'll just catch it later when the
5950                  * device is up'd.
5951                  */
5952                 tg3_set_mtu(dev, tp, new_mtu);
5953                 return 0;
5954         }
5955
5956         tg3_phy_stop(tp);
5957
5958         tg3_netif_stop(tp);
5959
5960         tg3_full_lock(tp, 1);
5961
5962         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5963
5964         tg3_set_mtu(dev, tp, new_mtu);
5965
5966         err = tg3_restart_hw(tp, 0);
5967
5968         if (!err)
5969                 tg3_netif_start(tp);
5970
5971         tg3_full_unlock(tp);
5972
5973         if (!err)
5974                 tg3_phy_start(tp);
5975
5976         return err;
5977 }
5978
5979 static void tg3_rx_prodring_free(struct tg3 *tp,
5980                                  struct tg3_rx_prodring_set *tpr)
5981 {
5982         int i;
5983
5984         if (tpr != &tp->prodring[0]) {
5985                 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
5986                      i = (i + 1) % TG3_RX_RING_SIZE)
5987                         tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
5988                                         tp->rx_pkt_map_sz);
5989
5990                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5991                         for (i = tpr->rx_jmb_cons_idx;
5992                              i != tpr->rx_jmb_prod_idx;
5993                              i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
5994                                 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
5995                                                 TG3_RX_JMB_MAP_SZ);
5996                         }
5997                 }
5998
5999                 return;
6000         }
6001
6002         for (i = 0; i < TG3_RX_RING_SIZE; i++)
6003                 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6004                                 tp->rx_pkt_map_sz);
6005
6006         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6007                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
6008                         tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6009                                         TG3_RX_JMB_MAP_SZ);
6010         }
6011 }
6012
6013 /* Initialize rx rings for packet processing.
6014  *
6015  * The chip has been shut down and the driver detached from
6016  * the networking, so no interrupts or new tx packets will
6017  * end up in the driver.  tp->{tx,}lock are held and thus
6018  * we may not sleep.
6019  */
6020 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6021                                  struct tg3_rx_prodring_set *tpr)
6022 {
6023         u32 i, rx_pkt_dma_sz;
6024
6025         tpr->rx_std_cons_idx = 0;
6026         tpr->rx_std_prod_idx = 0;
6027         tpr->rx_jmb_cons_idx = 0;
6028         tpr->rx_jmb_prod_idx = 0;
6029
6030         if (tpr != &tp->prodring[0]) {
6031                 memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
6032                 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6033                         memset(&tpr->rx_jmb_buffers[0], 0,
6034                                TG3_RX_JMB_BUFF_RING_SIZE);
6035                 goto done;
6036         }
6037
6038         /* Zero out all descriptors. */
6039         memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
6040
6041         rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6042         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6043             tp->dev->mtu > ETH_DATA_LEN)
6044                 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6045         tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6046
6047         /* Initialize invariants of the rings, we only set this
6048          * stuff once.  This works because the card does not
6049          * write into the rx buffer posting rings.
6050          */
6051         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
6052                 struct tg3_rx_buffer_desc *rxd;
6053
6054                 rxd = &tpr->rx_std[i];
6055                 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6056                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6057                 rxd->opaque = (RXD_OPAQUE_RING_STD |
6058                                (i << RXD_OPAQUE_INDEX_SHIFT));
6059         }
6060
6061         /* Now allocate fresh SKBs for each rx ring. */
6062         for (i = 0; i < tp->rx_pending; i++) {
6063                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6064                         netdev_warn(tp->dev,
6065                                     "Using a smaller RX standard ring. Only "
6066                                     "%d out of %d buffers were allocated "
6067                                     "successfully\n", i, tp->rx_pending);
6068                         if (i == 0)
6069                                 goto initfail;
6070                         tp->rx_pending = i;
6071                         break;
6072                 }
6073         }
6074
6075         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6076                 goto done;
6077
6078         memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
6079
6080         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
6081                 goto done;
6082
6083         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
6084                 struct tg3_rx_buffer_desc *rxd;
6085
6086                 rxd = &tpr->rx_jmb[i].std;
6087                 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6088                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6089                                   RXD_FLAG_JUMBO;
6090                 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6091                        (i << RXD_OPAQUE_INDEX_SHIFT));
6092         }
6093
6094         for (i = 0; i < tp->rx_jumbo_pending; i++) {
6095                 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) {
6096                         netdev_warn(tp->dev,
6097                                     "Using a smaller RX jumbo ring. Only %d "
6098                                     "out of %d buffers were allocated "
6099                                     "successfully\n", i, tp->rx_jumbo_pending);
6100                         if (i == 0)
6101                                 goto initfail;
6102                         tp->rx_jumbo_pending = i;
6103                         break;
6104                 }
6105         }
6106
6107 done:
6108         return 0;
6109
6110 initfail:
6111         tg3_rx_prodring_free(tp, tpr);
6112         return -ENOMEM;
6113 }
6114
6115 static void tg3_rx_prodring_fini(struct tg3 *tp,
6116                                  struct tg3_rx_prodring_set *tpr)
6117 {
6118         kfree(tpr->rx_std_buffers);
6119         tpr->rx_std_buffers = NULL;
6120         kfree(tpr->rx_jmb_buffers);
6121         tpr->rx_jmb_buffers = NULL;
6122         if (tpr->rx_std) {
6123                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
6124                                     tpr->rx_std, tpr->rx_std_mapping);
6125                 tpr->rx_std = NULL;
6126         }
6127         if (tpr->rx_jmb) {
6128                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
6129                                     tpr->rx_jmb, tpr->rx_jmb_mapping);
6130                 tpr->rx_jmb = NULL;
6131         }
6132 }
6133
6134 static int tg3_rx_prodring_init(struct tg3 *tp,
6135                                 struct tg3_rx_prodring_set *tpr)
6136 {
6137         tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
6138         if (!tpr->rx_std_buffers)
6139                 return -ENOMEM;
6140
6141         tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
6142                                            &tpr->rx_std_mapping);
6143         if (!tpr->rx_std)
6144                 goto err_out;
6145
6146         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6147                 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
6148                                               GFP_KERNEL);
6149                 if (!tpr->rx_jmb_buffers)
6150                         goto err_out;
6151
6152                 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6153                                                    TG3_RX_JUMBO_RING_BYTES,
6154                                                    &tpr->rx_jmb_mapping);
6155                 if (!tpr->rx_jmb)
6156                         goto err_out;
6157         }
6158
6159         return 0;
6160
6161 err_out:
6162         tg3_rx_prodring_fini(tp, tpr);
6163         return -ENOMEM;
6164 }
6165
6166 /* Free up pending packets in all rx/tx rings.
6167  *
6168  * The chip has been shut down and the driver detached from
6169  * the networking, so no interrupts or new tx packets will
6170  * end up in the driver.  tp->{tx,}lock is not held and we are not
6171  * in an interrupt context and thus may sleep.
6172  */
6173 static void tg3_free_rings(struct tg3 *tp)
6174 {
6175         int i, j;
6176
6177         for (j = 0; j < tp->irq_cnt; j++) {
6178                 struct tg3_napi *tnapi = &tp->napi[j];
6179
6180                 if (!tnapi->tx_buffers)
6181                         continue;
6182
6183                 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6184                         struct ring_info *txp;
6185                         struct sk_buff *skb;
6186                         unsigned int k;
6187
6188                         txp = &tnapi->tx_buffers[i];
6189                         skb = txp->skb;
6190
6191                         if (skb == NULL) {
6192                                 i++;
6193                                 continue;
6194                         }
6195
6196                         pci_unmap_single(tp->pdev,
6197                                          pci_unmap_addr(txp, mapping),
6198                                          skb_headlen(skb),
6199                                          PCI_DMA_TODEVICE);
6200                         txp->skb = NULL;
6201
6202                         i++;
6203
6204                         for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6205                                 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6206                                 pci_unmap_page(tp->pdev,
6207                                                pci_unmap_addr(txp, mapping),
6208                                                skb_shinfo(skb)->frags[k].size,
6209                                                PCI_DMA_TODEVICE);
6210                                 i++;
6211                         }
6212
6213                         dev_kfree_skb_any(skb);
6214                 }
6215
6216                 tg3_rx_prodring_free(tp, &tp->prodring[j]);
6217         }
6218 }
6219
6220 /* Initialize tx/rx rings for packet processing.
6221  *
6222  * The chip has been shut down and the driver detached from
6223  * the networking, so no interrupts or new tx packets will
6224  * end up in the driver.  tp->{tx,}lock are held and thus
6225  * we may not sleep.
6226  */
6227 static int tg3_init_rings(struct tg3 *tp)
6228 {
6229         int i;
6230
6231         /* Free up all the SKBs. */
6232         tg3_free_rings(tp);
6233
6234         for (i = 0; i < tp->irq_cnt; i++) {
6235                 struct tg3_napi *tnapi = &tp->napi[i];
6236
6237                 tnapi->last_tag = 0;
6238                 tnapi->last_irq_tag = 0;
6239                 tnapi->hw_status->status = 0;
6240                 tnapi->hw_status->status_tag = 0;
6241                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6242
6243                 tnapi->tx_prod = 0;
6244                 tnapi->tx_cons = 0;
6245                 if (tnapi->tx_ring)
6246                         memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6247
6248                 tnapi->rx_rcb_ptr = 0;
6249                 if (tnapi->rx_rcb)
6250                         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6251
6252                 if (tg3_rx_prodring_alloc(tp, &tp->prodring[i])) {
6253                         tg3_free_rings(tp);
6254                         return -ENOMEM;
6255                 }
6256         }
6257
6258         return 0;
6259 }
6260
6261 /*
6262  * Must not be invoked with interrupt sources disabled and
6263  * the hardware shutdown down.
6264  */
6265 static void tg3_free_consistent(struct tg3 *tp)
6266 {
6267         int i;
6268
6269         for (i = 0; i < tp->irq_cnt; i++) {
6270                 struct tg3_napi *tnapi = &tp->napi[i];
6271
6272                 if (tnapi->tx_ring) {
6273                         pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6274                                 tnapi->tx_ring, tnapi->tx_desc_mapping);
6275                         tnapi->tx_ring = NULL;
6276                 }
6277
6278                 kfree(tnapi->tx_buffers);
6279                 tnapi->tx_buffers = NULL;
6280
6281                 if (tnapi->rx_rcb) {
6282                         pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6283                                             tnapi->rx_rcb,
6284                                             tnapi->rx_rcb_mapping);
6285                         tnapi->rx_rcb = NULL;
6286                 }
6287
6288                 if (tnapi->hw_status) {
6289                         pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6290                                             tnapi->hw_status,
6291                                             tnapi->status_mapping);
6292                         tnapi->hw_status = NULL;
6293                 }
6294         }
6295
6296         if (tp->hw_stats) {
6297                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6298                                     tp->hw_stats, tp->stats_mapping);
6299                 tp->hw_stats = NULL;
6300         }
6301
6302         for (i = 0; i < tp->irq_cnt; i++)
6303                 tg3_rx_prodring_fini(tp, &tp->prodring[i]);
6304 }
6305
6306 /*
6307  * Must not be invoked with interrupt sources disabled and
6308  * the hardware shutdown down.  Can sleep.
6309  */
6310 static int tg3_alloc_consistent(struct tg3 *tp)
6311 {
6312         int i;
6313
6314         for (i = 0; i < tp->irq_cnt; i++) {
6315                 if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
6316                         goto err_out;
6317         }
6318
6319         tp->hw_stats = pci_alloc_consistent(tp->pdev,
6320                                             sizeof(struct tg3_hw_stats),
6321                                             &tp->stats_mapping);
6322         if (!tp->hw_stats)
6323                 goto err_out;
6324
6325         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6326
6327         for (i = 0; i < tp->irq_cnt; i++) {
6328                 struct tg3_napi *tnapi = &tp->napi[i];
6329                 struct tg3_hw_status *sblk;
6330
6331                 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6332                                                         TG3_HW_STATUS_SIZE,
6333                                                         &tnapi->status_mapping);
6334                 if (!tnapi->hw_status)
6335                         goto err_out;
6336
6337                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6338                 sblk = tnapi->hw_status;
6339
6340                 /* If multivector TSS is enabled, vector 0 does not handle
6341                  * tx interrupts.  Don't allocate any resources for it.
6342                  */
6343                 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6344                     (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6345                         tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6346                                                     TG3_TX_RING_SIZE,
6347                                                     GFP_KERNEL);
6348                         if (!tnapi->tx_buffers)
6349                                 goto err_out;
6350
6351                         tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6352                                                               TG3_TX_RING_BYTES,
6353                                                        &tnapi->tx_desc_mapping);
6354                         if (!tnapi->tx_ring)
6355                                 goto err_out;
6356                 }
6357
6358                 /*
6359                  * When RSS is enabled, the status block format changes
6360                  * slightly.  The "rx_jumbo_consumer", "reserved",
6361                  * and "rx_mini_consumer" members get mapped to the
6362                  * other three rx return ring producer indexes.
6363                  */
6364                 switch (i) {
6365                 default:
6366                         tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6367                         break;
6368                 case 2:
6369                         tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6370                         break;
6371                 case 3:
6372                         tnapi->rx_rcb_prod_idx = &sblk->reserved;
6373                         break;
6374                 case 4:
6375                         tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6376                         break;
6377                 }
6378
6379                 tnapi->prodring = &tp->prodring[i];
6380
6381                 /*
6382                  * If multivector RSS is enabled, vector 0 does not handle
6383                  * rx or tx interrupts.  Don't allocate any resources for it.
6384                  */
6385                 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6386                         continue;
6387
6388                 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6389                                                      TG3_RX_RCB_RING_BYTES(tp),
6390                                                      &tnapi->rx_rcb_mapping);
6391                 if (!tnapi->rx_rcb)
6392                         goto err_out;
6393
6394                 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6395         }
6396
6397         return 0;
6398
6399 err_out:
6400         tg3_free_consistent(tp);
6401         return -ENOMEM;
6402 }
6403
6404 #define MAX_WAIT_CNT 1000
6405
6406 /* To stop a block, clear the enable bit and poll till it
6407  * clears.  tp->lock is held.
6408  */
6409 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6410 {
6411         unsigned int i;
6412         u32 val;
6413
6414         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6415                 switch (ofs) {
6416                 case RCVLSC_MODE:
6417                 case DMAC_MODE:
6418                 case MBFREE_MODE:
6419                 case BUFMGR_MODE:
6420                 case MEMARB_MODE:
6421                         /* We can't enable/disable these bits of the
6422                          * 5705/5750, just say success.
6423                          */
6424                         return 0;
6425
6426                 default:
6427                         break;
6428                 }
6429         }
6430
6431         val = tr32(ofs);
6432         val &= ~enable_bit;
6433         tw32_f(ofs, val);
6434
6435         for (i = 0; i < MAX_WAIT_CNT; i++) {
6436                 udelay(100);
6437                 val = tr32(ofs);
6438                 if ((val & enable_bit) == 0)
6439                         break;
6440         }
6441
6442         if (i == MAX_WAIT_CNT && !silent) {
6443                 dev_err(&tp->pdev->dev,
6444                         "tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
6445                         ofs, enable_bit);
6446                 return -ENODEV;
6447         }
6448
6449         return 0;
6450 }
6451
6452 /* tp->lock is held. */
6453 static int tg3_abort_hw(struct tg3 *tp, int silent)
6454 {
6455         int i, err;
6456
6457         tg3_disable_ints(tp);
6458
6459         tp->rx_mode &= ~RX_MODE_ENABLE;
6460         tw32_f(MAC_RX_MODE, tp->rx_mode);
6461         udelay(10);
6462
6463         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6464         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6465         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6466         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6467         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6468         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6469
6470         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6471         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6472         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6473         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6474         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6475         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6476         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6477
6478         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6479         tw32_f(MAC_MODE, tp->mac_mode);
6480         udelay(40);
6481
6482         tp->tx_mode &= ~TX_MODE_ENABLE;
6483         tw32_f(MAC_TX_MODE, tp->tx_mode);
6484
6485         for (i = 0; i < MAX_WAIT_CNT; i++) {
6486                 udelay(100);
6487                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6488                         break;
6489         }
6490         if (i >= MAX_WAIT_CNT) {
6491                 dev_err(&tp->pdev->dev,
6492                         "%s timed out, TX_MODE_ENABLE will not clear "
6493                         "MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE));
6494                 err |= -ENODEV;
6495         }
6496
6497         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6498         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6499         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6500
6501         tw32(FTQ_RESET, 0xffffffff);
6502         tw32(FTQ_RESET, 0x00000000);
6503
6504         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6505         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6506
6507         for (i = 0; i < tp->irq_cnt; i++) {
6508                 struct tg3_napi *tnapi = &tp->napi[i];
6509                 if (tnapi->hw_status)
6510                         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6511         }
6512         if (tp->hw_stats)
6513                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6514
6515         return err;
6516 }
6517
6518 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6519 {
6520         int i;
6521         u32 apedata;
6522
6523         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6524         if (apedata != APE_SEG_SIG_MAGIC)
6525                 return;
6526
6527         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6528         if (!(apedata & APE_FW_STATUS_READY))
6529                 return;
6530
6531         /* Wait for up to 1 millisecond for APE to service previous event. */
6532         for (i = 0; i < 10; i++) {
6533                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6534                         return;
6535
6536                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6537
6538                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6539                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6540                                         event | APE_EVENT_STATUS_EVENT_PENDING);
6541
6542                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6543
6544                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6545                         break;
6546
6547                 udelay(100);
6548         }
6549
6550         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6551                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6552 }
6553
6554 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6555 {
6556         u32 event;
6557         u32 apedata;
6558
6559         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6560                 return;
6561
6562         switch (kind) {
6563         case RESET_KIND_INIT:
6564                 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6565                                 APE_HOST_SEG_SIG_MAGIC);
6566                 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6567                                 APE_HOST_SEG_LEN_MAGIC);
6568                 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6569                 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6570                 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6571                                 APE_HOST_DRIVER_ID_MAGIC);
6572                 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6573                                 APE_HOST_BEHAV_NO_PHYLOCK);
6574
6575                 event = APE_EVENT_STATUS_STATE_START;
6576                 break;
6577         case RESET_KIND_SHUTDOWN:
6578                 /* With the interface we are currently using,
6579                  * APE does not track driver state.  Wiping
6580                  * out the HOST SEGMENT SIGNATURE forces
6581                  * the APE to assume OS absent status.
6582                  */
6583                 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6584
6585                 event = APE_EVENT_STATUS_STATE_UNLOAD;
6586                 break;
6587         case RESET_KIND_SUSPEND:
6588                 event = APE_EVENT_STATUS_STATE_SUSPEND;
6589                 break;
6590         default:
6591                 return;
6592         }
6593
6594         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6595
6596         tg3_ape_send_event(tp, event);
6597 }
6598
6599 /* tp->lock is held. */
6600 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6601 {
6602         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6603                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6604
6605         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6606                 switch (kind) {
6607                 case RESET_KIND_INIT:
6608                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6609                                       DRV_STATE_START);
6610                         break;
6611
6612                 case RESET_KIND_SHUTDOWN:
6613                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6614                                       DRV_STATE_UNLOAD);
6615                         break;
6616
6617                 case RESET_KIND_SUSPEND:
6618                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6619                                       DRV_STATE_SUSPEND);
6620                         break;
6621
6622                 default:
6623                         break;
6624                 }
6625         }
6626
6627         if (kind == RESET_KIND_INIT ||
6628             kind == RESET_KIND_SUSPEND)
6629                 tg3_ape_driver_state_change(tp, kind);
6630 }
6631
6632 /* tp->lock is held. */
6633 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6634 {
6635         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6636                 switch (kind) {
6637                 case RESET_KIND_INIT:
6638                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6639                                       DRV_STATE_START_DONE);
6640                         break;
6641
6642                 case RESET_KIND_SHUTDOWN:
6643                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6644                                       DRV_STATE_UNLOAD_DONE);
6645                         break;
6646
6647                 default:
6648                         break;
6649                 }
6650         }
6651
6652         if (kind == RESET_KIND_SHUTDOWN)
6653                 tg3_ape_driver_state_change(tp, kind);
6654 }
6655
6656 /* tp->lock is held. */
6657 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6658 {
6659         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6660                 switch (kind) {
6661                 case RESET_KIND_INIT:
6662                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6663                                       DRV_STATE_START);
6664                         break;
6665
6666                 case RESET_KIND_SHUTDOWN:
6667                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6668                                       DRV_STATE_UNLOAD);
6669                         break;
6670
6671                 case RESET_KIND_SUSPEND:
6672                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6673                                       DRV_STATE_SUSPEND);
6674                         break;
6675
6676                 default:
6677                         break;
6678                 }
6679         }
6680 }
6681
6682 static int tg3_poll_fw(struct tg3 *tp)
6683 {
6684         int i;
6685         u32 val;
6686
6687         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6688                 /* Wait up to 20ms for init done. */
6689                 for (i = 0; i < 200; i++) {
6690                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6691                                 return 0;
6692                         udelay(100);
6693                 }
6694                 return -ENODEV;
6695         }
6696
6697         /* Wait for firmware initialization to complete. */
6698         for (i = 0; i < 100000; i++) {
6699                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6700                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6701                         break;
6702                 udelay(10);
6703         }
6704
6705         /* Chip might not be fitted with firmware.  Some Sun onboard
6706          * parts are configured like that.  So don't signal the timeout
6707          * of the above loop as an error, but do report the lack of
6708          * running firmware once.
6709          */
6710         if (i >= 100000 &&
6711             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6712                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6713
6714                 netdev_info(tp->dev, "No firmware running\n");
6715         }
6716
6717         if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6718                 /* The 57765 A0 needs a little more
6719                  * time to do some important work.
6720                  */
6721                 mdelay(10);
6722         }
6723
6724         return 0;
6725 }
6726
6727 /* Save PCI command register before chip reset */
6728 static void tg3_save_pci_state(struct tg3 *tp)
6729 {
6730         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6731 }
6732
6733 /* Restore PCI state after chip reset */
6734 static void tg3_restore_pci_state(struct tg3 *tp)
6735 {
6736         u32 val;
6737
6738         /* Re-enable indirect register accesses. */
6739         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6740                                tp->misc_host_ctrl);
6741
6742         /* Set MAX PCI retry to zero. */
6743         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6744         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6745             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6746                 val |= PCISTATE_RETRY_SAME_DMA;
6747         /* Allow reads and writes to the APE register and memory space. */
6748         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6749                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6750                        PCISTATE_ALLOW_APE_SHMEM_WR;
6751         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6752
6753         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6754
6755         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6756                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6757                         pcie_set_readrq(tp->pdev, 4096);
6758                 else {
6759                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6760                                               tp->pci_cacheline_sz);
6761                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6762                                               tp->pci_lat_timer);
6763                 }
6764         }
6765
6766         /* Make sure PCI-X relaxed ordering bit is clear. */
6767         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6768                 u16 pcix_cmd;
6769
6770                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6771                                      &pcix_cmd);
6772                 pcix_cmd &= ~PCI_X_CMD_ERO;
6773                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6774                                       pcix_cmd);
6775         }
6776
6777         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6778
6779                 /* Chip reset on 5780 will reset MSI enable bit,
6780                  * so need to restore it.
6781                  */
6782                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6783                         u16 ctrl;
6784
6785                         pci_read_config_word(tp->pdev,
6786                                              tp->msi_cap + PCI_MSI_FLAGS,
6787                                              &ctrl);
6788                         pci_write_config_word(tp->pdev,
6789                                               tp->msi_cap + PCI_MSI_FLAGS,
6790                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6791                         val = tr32(MSGINT_MODE);
6792                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6793                 }
6794         }
6795 }
6796
6797 static void tg3_stop_fw(struct tg3 *);
6798
6799 /* tp->lock is held. */
6800 static int tg3_chip_reset(struct tg3 *tp)
6801 {
6802         u32 val;
6803         void (*write_op)(struct tg3 *, u32, u32);
6804         int i, err;
6805
6806         tg3_nvram_lock(tp);
6807
6808         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6809
6810         /* No matching tg3_nvram_unlock() after this because
6811          * chip reset below will undo the nvram lock.
6812          */
6813         tp->nvram_lock_cnt = 0;
6814
6815         /* GRC_MISC_CFG core clock reset will clear the memory
6816          * enable bit in PCI register 4 and the MSI enable bit
6817          * on some chips, so we save relevant registers here.
6818          */
6819         tg3_save_pci_state(tp);
6820
6821         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6822             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6823                 tw32(GRC_FASTBOOT_PC, 0);
6824
6825         /*
6826          * We must avoid the readl() that normally takes place.
6827          * It locks machines, causes machine checks, and other
6828          * fun things.  So, temporarily disable the 5701
6829          * hardware workaround, while we do the reset.
6830          */
6831         write_op = tp->write32;
6832         if (write_op == tg3_write_flush_reg32)
6833                 tp->write32 = tg3_write32;
6834
6835         /* Prevent the irq handler from reading or writing PCI registers
6836          * during chip reset when the memory enable bit in the PCI command
6837          * register may be cleared.  The chip does not generate interrupt
6838          * at this time, but the irq handler may still be called due to irq
6839          * sharing or irqpoll.
6840          */
6841         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6842         for (i = 0; i < tp->irq_cnt; i++) {
6843                 struct tg3_napi *tnapi = &tp->napi[i];
6844                 if (tnapi->hw_status) {
6845                         tnapi->hw_status->status = 0;
6846                         tnapi->hw_status->status_tag = 0;
6847                 }
6848                 tnapi->last_tag = 0;
6849                 tnapi->last_irq_tag = 0;
6850         }
6851         smp_mb();
6852
6853         for (i = 0; i < tp->irq_cnt; i++)
6854                 synchronize_irq(tp->napi[i].irq_vec);
6855
6856         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6857                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6858                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6859         }
6860
6861         /* do the reset */
6862         val = GRC_MISC_CFG_CORECLK_RESET;
6863
6864         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6865                 if (tr32(0x7e2c) == 0x60) {
6866                         tw32(0x7e2c, 0x20);
6867                 }
6868                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6869                         tw32(GRC_MISC_CFG, (1 << 29));
6870                         val |= (1 << 29);
6871                 }
6872         }
6873
6874         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6875                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6876                 tw32(GRC_VCPU_EXT_CTRL,
6877                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6878         }
6879
6880         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6881                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6882         tw32(GRC_MISC_CFG, val);
6883
6884         /* restore 5701 hardware bug workaround write method */
6885         tp->write32 = write_op;
6886
6887         /* Unfortunately, we have to delay before the PCI read back.
6888          * Some 575X chips even will not respond to a PCI cfg access
6889          * when the reset command is given to the chip.
6890          *
6891          * How do these hardware designers expect things to work
6892          * properly if the PCI write is posted for a long period
6893          * of time?  It is always necessary to have some method by
6894          * which a register read back can occur to push the write
6895          * out which does the reset.
6896          *
6897          * For most tg3 variants the trick below was working.
6898          * Ho hum...
6899          */
6900         udelay(120);
6901
6902         /* Flush PCI posted writes.  The normal MMIO registers
6903          * are inaccessible at this time so this is the only
6904          * way to make this reliably (actually, this is no longer
6905          * the case, see above).  I tried to use indirect
6906          * register read/write but this upset some 5701 variants.
6907          */
6908         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6909
6910         udelay(120);
6911
6912         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6913                 u16 val16;
6914
6915                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6916                         int i;
6917                         u32 cfg_val;
6918
6919                         /* Wait for link training to complete.  */
6920                         for (i = 0; i < 5000; i++)
6921                                 udelay(100);
6922
6923                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6924                         pci_write_config_dword(tp->pdev, 0xc4,
6925                                                cfg_val | (1 << 15));
6926                 }
6927
6928                 /* Clear the "no snoop" and "relaxed ordering" bits. */
6929                 pci_read_config_word(tp->pdev,
6930                                      tp->pcie_cap + PCI_EXP_DEVCTL,
6931                                      &val16);
6932                 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6933                            PCI_EXP_DEVCTL_NOSNOOP_EN);
6934                 /*
6935                  * Older PCIe devices only support the 128 byte
6936                  * MPS setting.  Enforce the restriction.
6937                  */
6938                 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6939                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6940                         val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6941                 pci_write_config_word(tp->pdev,
6942                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6943                                       val16);
6944
6945                 pcie_set_readrq(tp->pdev, 4096);
6946
6947                 /* Clear error status */
6948                 pci_write_config_word(tp->pdev,
6949                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6950                                       PCI_EXP_DEVSTA_CED |
6951                                       PCI_EXP_DEVSTA_NFED |
6952                                       PCI_EXP_DEVSTA_FED |
6953                                       PCI_EXP_DEVSTA_URD);
6954         }
6955
6956         tg3_restore_pci_state(tp);
6957
6958         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6959
6960         val = 0;
6961         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6962                 val = tr32(MEMARB_MODE);
6963         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6964
6965         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6966                 tg3_stop_fw(tp);
6967                 tw32(0x5000, 0x400);
6968         }
6969
6970         tw32(GRC_MODE, tp->grc_mode);
6971
6972         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6973                 val = tr32(0xc4);
6974
6975                 tw32(0xc4, val | (1 << 15));
6976         }
6977
6978         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6979             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6980                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6981                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6982                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6983                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6984         }
6985
6986         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6987                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6988                 tw32_f(MAC_MODE, tp->mac_mode);
6989         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6990                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6991                 tw32_f(MAC_MODE, tp->mac_mode);
6992         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6993                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6994                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6995                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6996                 tw32_f(MAC_MODE, tp->mac_mode);
6997         } else
6998                 tw32_f(MAC_MODE, 0);
6999         udelay(40);
7000
7001         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
7002
7003         err = tg3_poll_fw(tp);
7004         if (err)
7005                 return err;
7006
7007         tg3_mdio_start(tp);
7008
7009         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7010                 u8 phy_addr;
7011
7012                 phy_addr = tp->phy_addr;
7013                 tp->phy_addr = TG3_PHY_PCIE_ADDR;
7014
7015                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7016                              TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
7017                 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
7018                       TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
7019                       TG3_PCIEPHY_TX0CTRL1_NB_EN;
7020                 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
7021                 udelay(10);
7022
7023                 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
7024                              TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
7025                 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
7026                       TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
7027                 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
7028                 udelay(10);
7029
7030                 tp->phy_addr = phy_addr;
7031         }
7032
7033         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7034             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7035             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7036             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
7037             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
7038                 val = tr32(0x7c00);
7039
7040                 tw32(0x7c00, val | (1 << 25));
7041         }
7042
7043         /* Reprobe ASF enable state.  */
7044         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7045         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7046         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7047         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7048                 u32 nic_cfg;
7049
7050                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7051                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7052                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7053                         tp->last_event_jiffies = jiffies;
7054                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7055                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7056                 }
7057         }
7058
7059         return 0;
7060 }
7061
7062 /* tp->lock is held. */
7063 static void tg3_stop_fw(struct tg3 *tp)
7064 {
7065         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7066            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7067                 /* Wait for RX cpu to ACK the previous event. */
7068                 tg3_wait_for_event_ack(tp);
7069
7070                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7071
7072                 tg3_generate_fw_event(tp);
7073
7074                 /* Wait for RX cpu to ACK this event. */
7075                 tg3_wait_for_event_ack(tp);
7076         }
7077 }
7078
7079 /* tp->lock is held. */
7080 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7081 {
7082         int err;
7083
7084         tg3_stop_fw(tp);
7085
7086         tg3_write_sig_pre_reset(tp, kind);
7087
7088         tg3_abort_hw(tp, silent);
7089         err = tg3_chip_reset(tp);
7090
7091         __tg3_set_mac_addr(tp, 0);
7092
7093         tg3_write_sig_legacy(tp, kind);
7094         tg3_write_sig_post_reset(tp, kind);
7095
7096         if (err)
7097                 return err;
7098
7099         return 0;
7100 }
7101
7102 #define RX_CPU_SCRATCH_BASE     0x30000
7103 #define RX_CPU_SCRATCH_SIZE     0x04000
7104 #define TX_CPU_SCRATCH_BASE     0x34000
7105 #define TX_CPU_SCRATCH_SIZE     0x04000
7106
7107 /* tp->lock is held. */
7108 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7109 {
7110         int i;
7111
7112         BUG_ON(offset == TX_CPU_BASE &&
7113             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7114
7115         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7116                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7117
7118                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7119                 return 0;
7120         }
7121         if (offset == RX_CPU_BASE) {
7122                 for (i = 0; i < 10000; i++) {
7123                         tw32(offset + CPU_STATE, 0xffffffff);
7124                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7125                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7126                                 break;
7127                 }
7128
7129                 tw32(offset + CPU_STATE, 0xffffffff);
7130                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
7131                 udelay(10);
7132         } else {
7133                 for (i = 0; i < 10000; i++) {
7134                         tw32(offset + CPU_STATE, 0xffffffff);
7135                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
7136                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7137                                 break;
7138                 }
7139         }
7140
7141         if (i >= 10000) {
7142                 netdev_err(tp->dev, "%s timed out, %s CPU\n",
7143                            __func__, offset == RX_CPU_BASE ? "RX" : "TX");
7144                 return -ENODEV;
7145         }
7146
7147         /* Clear firmware's nvram arbitration. */
7148         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7149                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7150         return 0;
7151 }
7152
7153 struct fw_info {
7154         unsigned int fw_base;
7155         unsigned int fw_len;
7156         const __be32 *fw_data;
7157 };
7158
7159 /* tp->lock is held. */
7160 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7161                                  int cpu_scratch_size, struct fw_info *info)
7162 {
7163         int err, lock_err, i;
7164         void (*write_op)(struct tg3 *, u32, u32);
7165
7166         if (cpu_base == TX_CPU_BASE &&
7167             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7168                 netdev_err(tp->dev,
7169                            "%s: Trying to load TX cpu firmware which is 5705\n",
7170                            __func__);
7171                 return -EINVAL;
7172         }
7173
7174         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7175                 write_op = tg3_write_mem;
7176         else
7177                 write_op = tg3_write_indirect_reg32;
7178
7179         /* It is possible that bootcode is still loading at this point.
7180          * Get the nvram lock first before halting the cpu.
7181          */
7182         lock_err = tg3_nvram_lock(tp);
7183         err = tg3_halt_cpu(tp, cpu_base);
7184         if (!lock_err)
7185                 tg3_nvram_unlock(tp);
7186         if (err)
7187                 goto out;
7188
7189         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7190                 write_op(tp, cpu_scratch_base + i, 0);
7191         tw32(cpu_base + CPU_STATE, 0xffffffff);
7192         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7193         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7194                 write_op(tp, (cpu_scratch_base +
7195                               (info->fw_base & 0xffff) +
7196                               (i * sizeof(u32))),
7197                               be32_to_cpu(info->fw_data[i]));
7198
7199         err = 0;
7200
7201 out:
7202         return err;
7203 }
7204
7205 /* tp->lock is held. */
7206 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7207 {
7208         struct fw_info info;
7209         const __be32 *fw_data;
7210         int err, i;
7211
7212         fw_data = (void *)tp->fw->data;
7213
7214         /* Firmware blob starts with version numbers, followed by
7215            start address and length. We are setting complete length.
7216            length = end_address_of_bss - start_address_of_text.
7217            Remainder is the blob to be loaded contiguously
7218            from start address. */
7219
7220         info.fw_base = be32_to_cpu(fw_data[1]);
7221         info.fw_len = tp->fw->size - 12;
7222         info.fw_data = &fw_data[3];
7223
7224         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7225                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7226                                     &info);
7227         if (err)
7228                 return err;
7229
7230         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7231                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7232                                     &info);
7233         if (err)
7234                 return err;
7235
7236         /* Now startup only the RX cpu. */
7237         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7238         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7239
7240         for (i = 0; i < 5; i++) {
7241                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7242                         break;
7243                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7244                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
7245                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7246                 udelay(1000);
7247         }
7248         if (i >= 5) {
7249                 netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x "
7250                            "should be %08x\n", __func__,
7251                            tr32(RX_CPU_BASE + CPU_PC), info.fw_base);
7252                 return -ENODEV;
7253         }
7254         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7255         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
7256
7257         return 0;
7258 }
7259
7260 /* 5705 needs a special version of the TSO firmware.  */
7261
7262 /* tp->lock is held. */
7263 static int tg3_load_tso_firmware(struct tg3 *tp)
7264 {
7265         struct fw_info info;
7266         const __be32 *fw_data;
7267         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7268         int err, i;
7269
7270         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7271                 return 0;
7272
7273         fw_data = (void *)tp->fw->data;
7274
7275         /* Firmware blob starts with version numbers, followed by
7276            start address and length. We are setting complete length.
7277            length = end_address_of_bss - start_address_of_text.
7278            Remainder is the blob to be loaded contiguously
7279            from start address. */
7280
7281         info.fw_base = be32_to_cpu(fw_data[1]);
7282         cpu_scratch_size = tp->fw_len;
7283         info.fw_len = tp->fw->size - 12;
7284         info.fw_data = &fw_data[3];
7285
7286         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7287                 cpu_base = RX_CPU_BASE;
7288                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7289         } else {
7290                 cpu_base = TX_CPU_BASE;
7291                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7292                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7293         }
7294
7295         err = tg3_load_firmware_cpu(tp, cpu_base,
7296                                     cpu_scratch_base, cpu_scratch_size,
7297                                     &info);
7298         if (err)
7299                 return err;
7300
7301         /* Now startup the cpu. */
7302         tw32(cpu_base + CPU_STATE, 0xffffffff);
7303         tw32_f(cpu_base + CPU_PC, info.fw_base);
7304
7305         for (i = 0; i < 5; i++) {
7306                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7307                         break;
7308                 tw32(cpu_base + CPU_STATE, 0xffffffff);
7309                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
7310                 tw32_f(cpu_base + CPU_PC, info.fw_base);
7311                 udelay(1000);
7312         }
7313         if (i >= 5) {
7314                 netdev_err(tp->dev,
7315                            "%s fails to set CPU PC, is %08x should be %08x\n",
7316                            __func__, tr32(cpu_base + CPU_PC), info.fw_base);
7317                 return -ENODEV;
7318         }
7319         tw32(cpu_base + CPU_STATE, 0xffffffff);
7320         tw32_f(cpu_base + CPU_MODE,  0x00000000);
7321         return 0;
7322 }
7323
7324
7325 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7326 {
7327         struct tg3 *tp = netdev_priv(dev);
7328         struct sockaddr *addr = p;
7329         int err = 0, skip_mac_1 = 0;
7330
7331         if (!is_valid_ether_addr(addr->sa_data))
7332                 return -EINVAL;
7333
7334         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7335
7336         if (!netif_running(dev))
7337                 return 0;
7338
7339         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7340                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7341
7342                 addr0_high = tr32(MAC_ADDR_0_HIGH);
7343                 addr0_low = tr32(MAC_ADDR_0_LOW);
7344                 addr1_high = tr32(MAC_ADDR_1_HIGH);
7345                 addr1_low = tr32(MAC_ADDR_1_LOW);
7346
7347                 /* Skip MAC addr 1 if ASF is using it. */
7348                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7349                     !(addr1_high == 0 && addr1_low == 0))
7350                         skip_mac_1 = 1;
7351         }
7352         spin_lock_bh(&tp->lock);
7353         __tg3_set_mac_addr(tp, skip_mac_1);
7354         spin_unlock_bh(&tp->lock);
7355
7356         return err;
7357 }
7358
7359 /* tp->lock is held. */
7360 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7361                            dma_addr_t mapping, u32 maxlen_flags,
7362                            u32 nic_addr)
7363 {
7364         tg3_write_mem(tp,
7365                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7366                       ((u64) mapping >> 32));
7367         tg3_write_mem(tp,
7368                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7369                       ((u64) mapping & 0xffffffff));
7370         tg3_write_mem(tp,
7371                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7372                        maxlen_flags);
7373
7374         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7375                 tg3_write_mem(tp,
7376                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7377                               nic_addr);
7378 }
7379
7380 static void __tg3_set_rx_mode(struct net_device *);
7381 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7382 {
7383         int i;
7384
7385         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7386                 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7387                 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7388                 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7389         } else {
7390                 tw32(HOSTCC_TXCOL_TICKS, 0);
7391                 tw32(HOSTCC_TXMAX_FRAMES, 0);
7392                 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7393         }
7394
7395         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7396                 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7397                 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7398                 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7399         } else {
7400                 tw32(HOSTCC_RXCOL_TICKS, 0);
7401                 tw32(HOSTCC_RXMAX_FRAMES, 0);
7402                 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7403         }
7404
7405         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7406                 u32 val = ec->stats_block_coalesce_usecs;
7407
7408                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7409                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7410
7411                 if (!netif_carrier_ok(tp->dev))
7412                         val = 0;
7413
7414                 tw32(HOSTCC_STAT_COAL_TICKS, val);
7415         }
7416
7417         for (i = 0; i < tp->irq_cnt - 1; i++) {
7418                 u32 reg;
7419
7420                 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7421                 tw32(reg, ec->rx_coalesce_usecs);
7422                 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7423                 tw32(reg, ec->rx_max_coalesced_frames);
7424                 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7425                 tw32(reg, ec->rx_max_coalesced_frames_irq);
7426
7427                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7428                         reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7429                         tw32(reg, ec->tx_coalesce_usecs);
7430                         reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7431                         tw32(reg, ec->tx_max_coalesced_frames);
7432                         reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7433                         tw32(reg, ec->tx_max_coalesced_frames_irq);
7434                 }
7435         }
7436
7437         for (; i < tp->irq_max - 1; i++) {
7438                 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7439                 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7440                 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7441
7442                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7443                         tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7444                         tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7445                         tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7446                 }
7447         }
7448 }
7449
7450 /* tp->lock is held. */
7451 static void tg3_rings_reset(struct tg3 *tp)
7452 {
7453         int i;
7454         u32 stblk, txrcb, rxrcb, limit;
7455         struct tg3_napi *tnapi = &tp->napi[0];
7456
7457         /* Disable all transmit rings but the first. */
7458         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7459                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7460         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7461                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7462         else
7463                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7464
7465         for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7466              txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7467                 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7468                               BDINFO_FLAGS_DISABLED);
7469
7470
7471         /* Disable all receive return rings but the first. */
7472         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7473                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7474         else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7475                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7476         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7477                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7478                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7479         else
7480                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7481
7482         for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7483              rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7484                 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7485                               BDINFO_FLAGS_DISABLED);
7486
7487         /* Disable interrupts */
7488         tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7489
7490         /* Zero mailbox registers. */
7491         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7492                 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7493                         tp->napi[i].tx_prod = 0;
7494                         tp->napi[i].tx_cons = 0;
7495                         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7496                                 tw32_mailbox(tp->napi[i].prodmbox, 0);
7497                         tw32_rx_mbox(tp->napi[i].consmbox, 0);
7498                         tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7499                 }
7500                 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7501                         tw32_mailbox(tp->napi[0].prodmbox, 0);
7502         } else {
7503                 tp->napi[0].tx_prod = 0;
7504                 tp->napi[0].tx_cons = 0;
7505                 tw32_mailbox(tp->napi[0].prodmbox, 0);
7506                 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7507         }
7508
7509         /* Make sure the NIC-based send BD rings are disabled. */
7510         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7511                 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7512                 for (i = 0; i < 16; i++)
7513                         tw32_tx_mbox(mbox + i * 8, 0);
7514         }
7515
7516         txrcb = NIC_SRAM_SEND_RCB;
7517         rxrcb = NIC_SRAM_RCV_RET_RCB;
7518
7519         /* Clear status block in ram. */
7520         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7521
7522         /* Set status block DMA address */
7523         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7524              ((u64) tnapi->status_mapping >> 32));
7525         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7526              ((u64) tnapi->status_mapping & 0xffffffff));
7527
7528         if (tnapi->tx_ring) {
7529                 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7530                                (TG3_TX_RING_SIZE <<
7531                                 BDINFO_FLAGS_MAXLEN_SHIFT),
7532                                NIC_SRAM_TX_BUFFER_DESC);
7533                 txrcb += TG3_BDINFO_SIZE;
7534         }
7535
7536         if (tnapi->rx_rcb) {
7537                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7538                                (TG3_RX_RCB_RING_SIZE(tp) <<
7539                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7540                 rxrcb += TG3_BDINFO_SIZE;
7541         }
7542
7543         stblk = HOSTCC_STATBLCK_RING1;
7544
7545         for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7546                 u64 mapping = (u64)tnapi->status_mapping;
7547                 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7548                 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7549
7550                 /* Clear status block in ram. */
7551                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7552
7553                 if (tnapi->tx_ring) {
7554                         tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7555                                        (TG3_TX_RING_SIZE <<
7556                                         BDINFO_FLAGS_MAXLEN_SHIFT),
7557                                        NIC_SRAM_TX_BUFFER_DESC);
7558                         txrcb += TG3_BDINFO_SIZE;
7559                 }
7560
7561                 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7562                                (TG3_RX_RCB_RING_SIZE(tp) <<
7563                                 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7564
7565                 stblk += 8;
7566                 rxrcb += TG3_BDINFO_SIZE;
7567         }
7568 }
7569
7570 /* tp->lock is held. */
7571 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7572 {
7573         u32 val, rdmac_mode;
7574         int i, err, limit;
7575         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7576
7577         tg3_disable_ints(tp);
7578
7579         tg3_stop_fw(tp);
7580
7581         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7582
7583         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)
7584                 tg3_abort_hw(tp, 1);
7585
7586         if (reset_phy)
7587                 tg3_phy_reset(tp);
7588
7589         err = tg3_chip_reset(tp);
7590         if (err)
7591                 return err;
7592
7593         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7594
7595         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7596                 val = tr32(TG3_CPMU_CTRL);
7597                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7598                 tw32(TG3_CPMU_CTRL, val);
7599
7600                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7601                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7602                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7603                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7604
7605                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7606                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7607                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7608                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7609
7610                 val = tr32(TG3_CPMU_HST_ACC);
7611                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7612                 val |= CPMU_HST_ACC_MACCLK_6_25;
7613                 tw32(TG3_CPMU_HST_ACC, val);
7614         }
7615
7616         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7617                 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7618                 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7619                        PCIE_PWR_MGMT_L1_THRESH_4MS;
7620                 tw32(PCIE_PWR_MGMT_THRESH, val);
7621
7622                 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7623                 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7624
7625                 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7626
7627                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7628                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7629         }
7630
7631         if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7632                 u32 grc_mode = tr32(GRC_MODE);
7633
7634                 /* Access the lower 1K of PL PCIE block registers. */
7635                 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7636                 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7637
7638                 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7639                 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7640                      val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7641
7642                 tw32(GRC_MODE, grc_mode);
7643         }
7644
7645         if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
7646                 u32 grc_mode = tr32(GRC_MODE);
7647
7648                 /* Access the lower 1K of PL PCIE block registers. */
7649                 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7650                 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7651
7652                 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5);
7653                 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5,
7654                      val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ);
7655
7656                 tw32(GRC_MODE, grc_mode);
7657
7658                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7659                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7660                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7661                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7662         }
7663
7664         /* This works around an issue with Athlon chipsets on
7665          * B3 tigon3 silicon.  This bit has no effect on any
7666          * other revision.  But do not set this on PCI Express
7667          * chips and don't even touch the clocks if the CPMU is present.
7668          */
7669         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7670                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7671                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7672                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7673         }
7674
7675         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7676             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7677                 val = tr32(TG3PCI_PCISTATE);
7678                 val |= PCISTATE_RETRY_SAME_DMA;
7679                 tw32(TG3PCI_PCISTATE, val);
7680         }
7681
7682         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7683                 /* Allow reads and writes to the
7684                  * APE register and memory space.
7685                  */
7686                 val = tr32(TG3PCI_PCISTATE);
7687                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7688                        PCISTATE_ALLOW_APE_SHMEM_WR;
7689                 tw32(TG3PCI_PCISTATE, val);
7690         }
7691
7692         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7693                 /* Enable some hw fixes.  */
7694                 val = tr32(TG3PCI_MSI_DATA);
7695                 val |= (1 << 26) | (1 << 28) | (1 << 29);
7696                 tw32(TG3PCI_MSI_DATA, val);
7697         }
7698
7699         /* Descriptor ring init may make accesses to the
7700          * NIC SRAM area to setup the TX descriptors, so we
7701          * can only do this after the hardware has been
7702          * successfully reset.
7703          */
7704         err = tg3_init_rings(tp);
7705         if (err)
7706                 return err;
7707
7708         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7709             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7710                 val = tr32(TG3PCI_DMA_RW_CTRL) &
7711                       ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7712                 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0)
7713                         val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
7714                 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7715         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7716                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7717                 /* This value is determined during the probe time DMA
7718                  * engine test, tg3_test_dma.
7719                  */
7720                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7721         }
7722
7723         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7724                           GRC_MODE_4X_NIC_SEND_RINGS |
7725                           GRC_MODE_NO_TX_PHDR_CSUM |
7726                           GRC_MODE_NO_RX_PHDR_CSUM);
7727         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7728
7729         /* Pseudo-header checksum is done by hardware logic and not
7730          * the offload processers, so make the chip do the pseudo-
7731          * header checksums on receive.  For transmit it is more
7732          * convenient to do the pseudo-header checksum in software
7733          * as Linux does that on transmit for us in all cases.
7734          */
7735         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7736
7737         tw32(GRC_MODE,
7738              tp->grc_mode |
7739              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7740
7741         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
7742         val = tr32(GRC_MISC_CFG);
7743         val &= ~0xff;
7744         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7745         tw32(GRC_MISC_CFG, val);
7746
7747         /* Initialize MBUF/DESC pool. */
7748         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7749                 /* Do nothing.  */
7750         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7751                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7752                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7753                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7754                 else
7755                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7756                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7757                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7758         } else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7759                 int fw_len;
7760
7761                 fw_len = tp->fw_len;
7762                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7763                 tw32(BUFMGR_MB_POOL_ADDR,
7764                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7765                 tw32(BUFMGR_MB_POOL_SIZE,
7766                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7767         }
7768
7769         if (tp->dev->mtu <= ETH_DATA_LEN) {
7770                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7771                      tp->bufmgr_config.mbuf_read_dma_low_water);
7772                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7773                      tp->bufmgr_config.mbuf_mac_rx_low_water);
7774                 tw32(BUFMGR_MB_HIGH_WATER,
7775                      tp->bufmgr_config.mbuf_high_water);
7776         } else {
7777                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7778                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7779                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7780                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7781                 tw32(BUFMGR_MB_HIGH_WATER,
7782                      tp->bufmgr_config.mbuf_high_water_jumbo);
7783         }
7784         tw32(BUFMGR_DMA_LOW_WATER,
7785              tp->bufmgr_config.dma_low_water);
7786         tw32(BUFMGR_DMA_HIGH_WATER,
7787              tp->bufmgr_config.dma_high_water);
7788
7789         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7790         for (i = 0; i < 2000; i++) {
7791                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7792                         break;
7793                 udelay(10);
7794         }
7795         if (i >= 2000) {
7796                 netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
7797                 return -ENODEV;
7798         }
7799
7800         /* Setup replenish threshold. */
7801         val = tp->rx_pending / 8;
7802         if (val == 0)
7803                 val = 1;
7804         else if (val > tp->rx_std_max_post)
7805                 val = tp->rx_std_max_post;
7806         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7807                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7808                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7809
7810                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7811                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7812         }
7813
7814         tw32(RCVBDI_STD_THRESH, val);
7815
7816         /* Initialize TG3_BDINFO's at:
7817          *  RCVDBDI_STD_BD:     standard eth size rx ring
7818          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
7819          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
7820          *
7821          * like so:
7822          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
7823          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
7824          *                              ring attribute flags
7825          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
7826          *
7827          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7828          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7829          *
7830          * The size of each ring is fixed in the firmware, but the location is
7831          * configurable.
7832          */
7833         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7834              ((u64) tpr->rx_std_mapping >> 32));
7835         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7836              ((u64) tpr->rx_std_mapping & 0xffffffff));
7837         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7838                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7839                      NIC_SRAM_RX_BUFFER_DESC);
7840
7841         /* Disable the mini ring */
7842         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7843                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7844                      BDINFO_FLAGS_DISABLED);
7845
7846         /* Program the jumbo buffer descriptor ring control
7847          * blocks on those devices that have them.
7848          */
7849         if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7850             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7851                 /* Setup replenish threshold. */
7852                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7853
7854                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7855                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7856                              ((u64) tpr->rx_jmb_mapping >> 32));
7857                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7858                              ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7859                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7860                              (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7861                              BDINFO_FLAGS_USE_EXT_RECV);
7862                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717)
7863                                 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7864                                      NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7865                 } else {
7866                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7867                              BDINFO_FLAGS_DISABLED);
7868                 }
7869
7870                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7871                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7872                         val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7873                               (RX_STD_MAX_SIZE << 2);
7874                 else
7875                         val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7876         } else
7877                 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7878
7879         tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7880
7881         tpr->rx_std_prod_idx = tp->rx_pending;
7882         tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
7883
7884         tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7885                           tp->rx_jumbo_pending : 0;
7886         tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
7887
7888         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7889             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
7890                 tw32(STD_REPLENISH_LWM, 32);
7891                 tw32(JMB_REPLENISH_LWM, 16);
7892         }
7893
7894         tg3_rings_reset(tp);
7895
7896         /* Initialize MAC address and backoff seed. */
7897         __tg3_set_mac_addr(tp, 0);
7898
7899         /* MTU + ethernet header + FCS + optional VLAN tag */
7900         tw32(MAC_RX_MTU_SIZE,
7901              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7902
7903         /* The slot time is changed by tg3_setup_phy if we
7904          * run at gigabit with half duplex.
7905          */
7906         tw32(MAC_TX_LENGTHS,
7907              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7908              (6 << TX_LENGTHS_IPG_SHIFT) |
7909              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7910
7911         /* Receive rules. */
7912         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7913         tw32(RCVLPC_CONFIG, 0x0181);
7914
7915         /* Calculate RDMAC_MODE setting early, we need it to determine
7916          * the RCVLPC_STATE_ENABLE mask.
7917          */
7918         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7919                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7920                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7921                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7922                       RDMAC_MODE_LNGREAD_ENAB);
7923
7924         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7925                 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
7926
7927         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7928             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7929             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7930                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7931                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7932                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7933
7934         /* If statement applies to 5705 and 5750 PCI devices only */
7935         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7936              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7937             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7938                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7939                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7940                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7941                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7942                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7943                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7944                 }
7945         }
7946
7947         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7948                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7949
7950         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7951                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7952
7953         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7954             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7955             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7956                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7957
7958         /* Receive/send statistics. */
7959         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7960                 val = tr32(RCVLPC_STATS_ENABLE);
7961                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7962                 tw32(RCVLPC_STATS_ENABLE, val);
7963         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7964                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7965                 val = tr32(RCVLPC_STATS_ENABLE);
7966                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7967                 tw32(RCVLPC_STATS_ENABLE, val);
7968         } else {
7969                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7970         }
7971         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7972         tw32(SNDDATAI_STATSENAB, 0xffffff);
7973         tw32(SNDDATAI_STATSCTRL,
7974              (SNDDATAI_SCTRL_ENABLE |
7975               SNDDATAI_SCTRL_FASTUPD));
7976
7977         /* Setup host coalescing engine. */
7978         tw32(HOSTCC_MODE, 0);
7979         for (i = 0; i < 2000; i++) {
7980                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7981                         break;
7982                 udelay(10);
7983         }
7984
7985         __tg3_set_coalesce(tp, &tp->coal);
7986
7987         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7988                 /* Status/statistics block address.  See tg3_timer,
7989                  * the tg3_periodic_fetch_stats call there, and
7990                  * tg3_get_stats to see how this works for 5705/5750 chips.
7991                  */
7992                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7993                      ((u64) tp->stats_mapping >> 32));
7994                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7995                      ((u64) tp->stats_mapping & 0xffffffff));
7996                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7997
7998                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7999
8000                 /* Clear statistics and status block memory areas */
8001                 for (i = NIC_SRAM_STATS_BLK;
8002                      i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
8003                      i += sizeof(u32)) {
8004                         tg3_write_mem(tp, i, 0);
8005                         udelay(40);
8006                 }
8007         }
8008
8009         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
8010
8011         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
8012         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
8013         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8014                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
8015
8016         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8017                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
8018                 /* reset to prevent losing 1st rx packet intermittently */
8019                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8020                 udelay(10);
8021         }
8022
8023         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8024                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
8025         else
8026                 tp->mac_mode = 0;
8027         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
8028                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
8029         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8030             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8031             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8032                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8033         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8034         udelay(40);
8035
8036         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8037          * If TG3_FLG2_IS_NIC is zero, we should read the
8038          * register to preserve the GPIO settings for LOMs. The GPIOs,
8039          * whether used as inputs or outputs, are set by boot code after
8040          * reset.
8041          */
8042         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8043                 u32 gpio_mask;
8044
8045                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8046                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8047                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8048
8049                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8050                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8051                                      GRC_LCLCTRL_GPIO_OUTPUT3;
8052
8053                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8054                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8055
8056                 tp->grc_local_ctrl &= ~gpio_mask;
8057                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8058
8059                 /* GPIO1 must be driven high for eeprom write protect */
8060                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8061                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8062                                                GRC_LCLCTRL_GPIO_OUTPUT1);
8063         }
8064         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8065         udelay(100);
8066
8067         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8068                 val = tr32(MSGINT_MODE);
8069                 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8070                 tw32(MSGINT_MODE, val);
8071         }
8072
8073         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8074                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8075                 udelay(40);
8076         }
8077
8078         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8079                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8080                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8081                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8082                WDMAC_MODE_LNGREAD_ENAB);
8083
8084         /* If statement applies to 5705 and 5750 PCI devices only */
8085         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8086              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8087             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8088                 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8089                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8090                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8091                         /* nothing */
8092                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8093                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8094                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8095                         val |= WDMAC_MODE_RX_ACCEL;
8096                 }
8097         }
8098
8099         /* Enable host coalescing bug fix */
8100         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8101                 val |= WDMAC_MODE_STATUS_TAG_FIX;
8102
8103         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8104                 val |= WDMAC_MODE_BURST_ALL_DATA;
8105
8106         tw32_f(WDMAC_MODE, val);
8107         udelay(40);
8108
8109         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8110                 u16 pcix_cmd;
8111
8112                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8113                                      &pcix_cmd);
8114                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8115                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8116                         pcix_cmd |= PCI_X_CMD_READ_2K;
8117                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8118                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8119                         pcix_cmd |= PCI_X_CMD_READ_2K;
8120                 }
8121                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8122                                       pcix_cmd);
8123         }
8124
8125         tw32_f(RDMAC_MODE, rdmac_mode);
8126         udelay(40);
8127
8128         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8129         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8130                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8131
8132         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8133                 tw32(SNDDATAC_MODE,
8134                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8135         else
8136                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8137
8138         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8139         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8140         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
8141         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8142         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8143                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8144         val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8145         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8146                 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8147         tw32(SNDBDI_MODE, val);
8148         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8149
8150         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8151                 err = tg3_load_5701_a0_firmware_fix(tp);
8152                 if (err)
8153                         return err;
8154         }
8155
8156         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8157                 err = tg3_load_tso_firmware(tp);
8158                 if (err)
8159                         return err;
8160         }
8161
8162         tp->tx_mode = TX_MODE_ENABLE;
8163         tw32_f(MAC_TX_MODE, tp->tx_mode);
8164         udelay(100);
8165
8166         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8167                 u32 reg = MAC_RSS_INDIR_TBL_0;
8168                 u8 *ent = (u8 *)&val;
8169
8170                 /* Setup the indirection table */
8171                 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8172                         int idx = i % sizeof(val);
8173
8174                         ent[idx] = i % (tp->irq_cnt - 1);
8175                         if (idx == sizeof(val) - 1) {
8176                                 tw32(reg, val);
8177                                 reg += 4;
8178                         }
8179                 }
8180
8181                 /* Setup the "secret" hash key. */
8182                 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8183                 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8184                 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8185                 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8186                 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8187                 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8188                 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8189                 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8190                 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8191                 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8192         }
8193
8194         tp->rx_mode = RX_MODE_ENABLE;
8195         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8196                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8197
8198         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8199                 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8200                                RX_MODE_RSS_ITBL_HASH_BITS_7 |
8201                                RX_MODE_RSS_IPV6_HASH_EN |
8202                                RX_MODE_RSS_TCP_IPV6_HASH_EN |
8203                                RX_MODE_RSS_IPV4_HASH_EN |
8204                                RX_MODE_RSS_TCP_IPV4_HASH_EN;
8205
8206         tw32_f(MAC_RX_MODE, tp->rx_mode);
8207         udelay(10);
8208
8209         tw32(MAC_LED_CTRL, tp->led_ctrl);
8210
8211         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8212         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8213                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8214                 udelay(10);
8215         }
8216         tw32_f(MAC_RX_MODE, tp->rx_mode);
8217         udelay(10);
8218
8219         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
8220                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8221                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
8222                         /* Set drive transmission level to 1.2V  */
8223                         /* only if the signal pre-emphasis bit is not set  */
8224                         val = tr32(MAC_SERDES_CFG);
8225                         val &= 0xfffff000;
8226                         val |= 0x880;
8227                         tw32(MAC_SERDES_CFG, val);
8228                 }
8229                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8230                         tw32(MAC_SERDES_CFG, 0x616000);
8231         }
8232
8233         /* Prevent chip from dropping frames when flow control
8234          * is enabled.
8235          */
8236         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8237                 val = 1;
8238         else
8239                 val = 2;
8240         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8241
8242         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8243             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8244                 /* Use hardware link auto-negotiation */
8245                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8246         }
8247
8248         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
8249             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8250                 u32 tmp;
8251
8252                 tmp = tr32(SERDES_RX_CTRL);
8253                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8254                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8255                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8256                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8257         }
8258
8259         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8260                 if (tp->link_config.phy_is_low_power) {
8261                         tp->link_config.phy_is_low_power = 0;
8262                         tp->link_config.speed = tp->link_config.orig_speed;
8263                         tp->link_config.duplex = tp->link_config.orig_duplex;
8264                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
8265                 }
8266
8267                 err = tg3_setup_phy(tp, 0);
8268                 if (err)
8269                         return err;
8270
8271                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8272                     !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
8273                         u32 tmp;
8274
8275                         /* Clear CRC stats. */
8276                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8277                                 tg3_writephy(tp, MII_TG3_TEST1,
8278                                              tmp | MII_TG3_TEST1_CRC_EN);
8279                                 tg3_readphy(tp, 0x14, &tmp);
8280                         }
8281                 }
8282         }
8283
8284         __tg3_set_rx_mode(tp->dev);
8285
8286         /* Initialize receive rules. */
8287         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
8288         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8289         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
8290         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8291
8292         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8293             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8294                 limit = 8;
8295         else
8296                 limit = 16;
8297         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8298                 limit -= 4;
8299         switch (limit) {
8300         case 16:
8301                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
8302         case 15:
8303                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
8304         case 14:
8305                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
8306         case 13:
8307                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
8308         case 12:
8309                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
8310         case 11:
8311                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
8312         case 10:
8313                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
8314         case 9:
8315                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
8316         case 8:
8317                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
8318         case 7:
8319                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
8320         case 6:
8321                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
8322         case 5:
8323                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
8324         case 4:
8325                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
8326         case 3:
8327                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
8328         case 2:
8329         case 1:
8330
8331         default:
8332                 break;
8333         }
8334
8335         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8336                 /* Write our heartbeat update interval to APE. */
8337                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8338                                 APE_HOST_HEARTBEAT_INT_DISABLE);
8339
8340         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8341
8342         return 0;
8343 }
8344
8345 /* Called at device open time to get the chip ready for
8346  * packet processing.  Invoked with tp->lock held.
8347  */
8348 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8349 {
8350         tg3_switch_clocks(tp);
8351
8352         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8353
8354         return tg3_reset_hw(tp, reset_phy);
8355 }
8356
8357 #define TG3_STAT_ADD32(PSTAT, REG) \
8358 do {    u32 __val = tr32(REG); \
8359         (PSTAT)->low += __val; \
8360         if ((PSTAT)->low < __val) \
8361                 (PSTAT)->high += 1; \
8362 } while (0)
8363
8364 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8365 {
8366         struct tg3_hw_stats *sp = tp->hw_stats;
8367
8368         if (!netif_carrier_ok(tp->dev))
8369                 return;
8370
8371         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8372         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8373         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8374         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8375         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8376         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8377         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8378         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8379         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8380         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8381         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8382         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8383         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8384
8385         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8386         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8387         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8388         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8389         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8390         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8391         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8392         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8393         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8394         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8395         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8396         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8397         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8398         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8399
8400         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8401         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8402         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8403 }
8404
8405 static void tg3_timer(unsigned long __opaque)
8406 {
8407         struct tg3 *tp = (struct tg3 *) __opaque;
8408
8409         if (tp->irq_sync)
8410                 goto restart_timer;
8411
8412         spin_lock(&tp->lock);
8413
8414         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8415                 /* All of this garbage is because when using non-tagged
8416                  * IRQ status the mailbox/status_block protocol the chip
8417                  * uses with the cpu is race prone.
8418                  */
8419                 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8420                         tw32(GRC_LOCAL_CTRL,
8421                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8422                 } else {
8423                         tw32(HOSTCC_MODE, tp->coalesce_mode |
8424                              HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8425                 }
8426
8427                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8428                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8429                         spin_unlock(&tp->lock);
8430                         schedule_work(&tp->reset_task);
8431                         return;
8432                 }
8433         }
8434
8435         /* This part only runs once per second. */
8436         if (!--tp->timer_counter) {
8437                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8438                         tg3_periodic_fetch_stats(tp);
8439
8440                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8441                         u32 mac_stat;
8442                         int phy_event;
8443
8444                         mac_stat = tr32(MAC_STATUS);
8445
8446                         phy_event = 0;
8447                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8448                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8449                                         phy_event = 1;
8450                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8451                                 phy_event = 1;
8452
8453                         if (phy_event)
8454                                 tg3_setup_phy(tp, 0);
8455                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8456                         u32 mac_stat = tr32(MAC_STATUS);
8457                         int need_setup = 0;
8458
8459                         if (netif_carrier_ok(tp->dev) &&
8460                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8461                                 need_setup = 1;
8462                         }
8463                         if (! netif_carrier_ok(tp->dev) &&
8464                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
8465                                          MAC_STATUS_SIGNAL_DET))) {
8466                                 need_setup = 1;
8467                         }
8468                         if (need_setup) {
8469                                 if (!tp->serdes_counter) {
8470                                         tw32_f(MAC_MODE,
8471                                              (tp->mac_mode &
8472                                               ~MAC_MODE_PORT_MODE_MASK));
8473                                         udelay(40);
8474                                         tw32_f(MAC_MODE, tp->mac_mode);
8475                                         udelay(40);
8476                                 }
8477                                 tg3_setup_phy(tp, 0);
8478                         }
8479                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8480                         tg3_serdes_parallel_detect(tp);
8481
8482                 tp->timer_counter = tp->timer_multiplier;
8483         }
8484
8485         /* Heartbeat is only sent once every 2 seconds.
8486          *
8487          * The heartbeat is to tell the ASF firmware that the host
8488          * driver is still alive.  In the event that the OS crashes,
8489          * ASF needs to reset the hardware to free up the FIFO space
8490          * that may be filled with rx packets destined for the host.
8491          * If the FIFO is full, ASF will no longer function properly.
8492          *
8493          * Unintended resets have been reported on real time kernels
8494          * where the timer doesn't run on time.  Netpoll will also have
8495          * same problem.
8496          *
8497          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8498          * to check the ring condition when the heartbeat is expiring
8499          * before doing the reset.  This will prevent most unintended
8500          * resets.
8501          */
8502         if (!--tp->asf_counter) {
8503                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8504                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8505                         tg3_wait_for_event_ack(tp);
8506
8507                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8508                                       FWCMD_NICDRV_ALIVE3);
8509                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8510                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX,
8511                                       TG3_FW_UPDATE_TIMEOUT_SEC);
8512
8513                         tg3_generate_fw_event(tp);
8514                 }
8515                 tp->asf_counter = tp->asf_multiplier;
8516         }
8517
8518         spin_unlock(&tp->lock);
8519
8520 restart_timer:
8521         tp->timer.expires = jiffies + tp->timer_offset;
8522         add_timer(&tp->timer);
8523 }
8524
8525 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8526 {
8527         irq_handler_t fn;
8528         unsigned long flags;
8529         char *name;
8530         struct tg3_napi *tnapi = &tp->napi[irq_num];
8531
8532         if (tp->irq_cnt == 1)
8533                 name = tp->dev->name;
8534         else {
8535                 name = &tnapi->irq_lbl[0];
8536                 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8537                 name[IFNAMSIZ-1] = 0;
8538         }
8539
8540         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8541                 fn = tg3_msi;
8542                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8543                         fn = tg3_msi_1shot;
8544                 flags = IRQF_SAMPLE_RANDOM;
8545         } else {
8546                 fn = tg3_interrupt;
8547                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8548                         fn = tg3_interrupt_tagged;
8549                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8550         }
8551
8552         return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8553 }
8554
8555 static int tg3_test_interrupt(struct tg3 *tp)
8556 {
8557         struct tg3_napi *tnapi = &tp->napi[0];
8558         struct net_device *dev = tp->dev;
8559         int err, i, intr_ok = 0;
8560         u32 val;
8561
8562         if (!netif_running(dev))
8563                 return -ENODEV;
8564
8565         tg3_disable_ints(tp);
8566
8567         free_irq(tnapi->irq_vec, tnapi);
8568
8569         /*
8570          * Turn off MSI one shot mode.  Otherwise this test has no
8571          * observable way to know whether the interrupt was delivered.
8572          */
8573         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8574              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8575             (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8576                 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8577                 tw32(MSGINT_MODE, val);
8578         }
8579
8580         err = request_irq(tnapi->irq_vec, tg3_test_isr,
8581                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8582         if (err)
8583                 return err;
8584
8585         tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8586         tg3_enable_ints(tp);
8587
8588         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8589                tnapi->coal_now);
8590
8591         for (i = 0; i < 5; i++) {
8592                 u32 int_mbox, misc_host_ctrl;
8593
8594                 int_mbox = tr32_mailbox(tnapi->int_mbox);
8595                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8596
8597                 if ((int_mbox != 0) ||
8598                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8599                         intr_ok = 1;
8600                         break;
8601                 }
8602
8603                 msleep(10);
8604         }
8605
8606         tg3_disable_ints(tp);
8607
8608         free_irq(tnapi->irq_vec, tnapi);
8609
8610         err = tg3_request_irq(tp, 0);
8611
8612         if (err)
8613                 return err;
8614
8615         if (intr_ok) {
8616                 /* Reenable MSI one shot mode. */
8617                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8618                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
8619                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8620                         val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8621                         tw32(MSGINT_MODE, val);
8622                 }
8623                 return 0;
8624         }
8625
8626         return -EIO;
8627 }
8628
8629 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8630  * successfully restored
8631  */
8632 static int tg3_test_msi(struct tg3 *tp)
8633 {
8634         int err;
8635         u16 pci_cmd;
8636
8637         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8638                 return 0;
8639
8640         /* Turn off SERR reporting in case MSI terminates with Master
8641          * Abort.
8642          */
8643         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8644         pci_write_config_word(tp->pdev, PCI_COMMAND,
8645                               pci_cmd & ~PCI_COMMAND_SERR);
8646
8647         err = tg3_test_interrupt(tp);
8648
8649         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8650
8651         if (!err)
8652                 return 0;
8653
8654         /* other failures */
8655         if (err != -EIO)
8656                 return err;
8657
8658         /* MSI test failed, go back to INTx mode */
8659         netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching "
8660                     "to INTx mode. Please report this failure to the PCI "
8661                     "maintainer and include system chipset information\n");
8662
8663         free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8664
8665         pci_disable_msi(tp->pdev);
8666
8667         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8668
8669         err = tg3_request_irq(tp, 0);
8670         if (err)
8671                 return err;
8672
8673         /* Need to reset the chip because the MSI cycle may have terminated
8674          * with Master Abort.
8675          */
8676         tg3_full_lock(tp, 1);
8677
8678         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8679         err = tg3_init_hw(tp, 1);
8680
8681         tg3_full_unlock(tp);
8682
8683         if (err)
8684                 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8685
8686         return err;
8687 }
8688
8689 static int tg3_request_firmware(struct tg3 *tp)
8690 {
8691         const __be32 *fw_data;
8692
8693         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8694                 netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
8695                            tp->fw_needed);
8696                 return -ENOENT;
8697         }
8698
8699         fw_data = (void *)tp->fw->data;
8700
8701         /* Firmware blob starts with version numbers, followed by
8702          * start address and _full_ length including BSS sections
8703          * (which must be longer than the actual data, of course
8704          */
8705
8706         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
8707         if (tp->fw_len < (tp->fw->size - 12)) {
8708                 netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
8709                            tp->fw_len, tp->fw_needed);
8710                 release_firmware(tp->fw);
8711                 tp->fw = NULL;
8712                 return -EINVAL;
8713         }
8714
8715         /* We no longer need firmware; we have it. */
8716         tp->fw_needed = NULL;
8717         return 0;
8718 }
8719
8720 static bool tg3_enable_msix(struct tg3 *tp)
8721 {
8722         int i, rc, cpus = num_online_cpus();
8723         struct msix_entry msix_ent[tp->irq_max];
8724
8725         if (cpus == 1)
8726                 /* Just fallback to the simpler MSI mode. */
8727                 return false;
8728
8729         /*
8730          * We want as many rx rings enabled as there are cpus.
8731          * The first MSIX vector only deals with link interrupts, etc,
8732          * so we add one to the number of vectors we are requesting.
8733          */
8734         tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8735
8736         for (i = 0; i < tp->irq_max; i++) {
8737                 msix_ent[i].entry  = i;
8738                 msix_ent[i].vector = 0;
8739         }
8740
8741         rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8742         if (rc != 0) {
8743                 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8744                         return false;
8745                 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8746                         return false;
8747                 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
8748                               tp->irq_cnt, rc);
8749                 tp->irq_cnt = rc;
8750         }
8751
8752         tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8753
8754         for (i = 0; i < tp->irq_max; i++)
8755                 tp->napi[i].irq_vec = msix_ent[i].vector;
8756
8757         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
8758                 tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
8759                 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8760         } else
8761                 tp->dev->real_num_tx_queues = 1;
8762
8763         return true;
8764 }
8765
8766 static void tg3_ints_init(struct tg3 *tp)
8767 {
8768         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8769             !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8770                 /* All MSI supporting chips should support tagged
8771                  * status.  Assert that this is the case.
8772                  */
8773                 netdev_warn(tp->dev,
8774                             "MSI without TAGGED_STATUS? Not using MSI\n");
8775                 goto defcfg;
8776         }
8777
8778         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8779                 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8780         else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8781                  pci_enable_msi(tp->pdev) == 0)
8782                 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8783
8784         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8785                 u32 msi_mode = tr32(MSGINT_MODE);
8786                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8787                         msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8788                 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8789         }
8790 defcfg:
8791         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8792                 tp->irq_cnt = 1;
8793                 tp->napi[0].irq_vec = tp->pdev->irq;
8794                 tp->dev->real_num_tx_queues = 1;
8795         }
8796 }
8797
8798 static void tg3_ints_fini(struct tg3 *tp)
8799 {
8800         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8801                 pci_disable_msix(tp->pdev);
8802         else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8803                 pci_disable_msi(tp->pdev);
8804         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8805         tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
8806 }
8807
8808 static int tg3_open(struct net_device *dev)
8809 {
8810         struct tg3 *tp = netdev_priv(dev);
8811         int i, err;
8812
8813         if (tp->fw_needed) {
8814                 err = tg3_request_firmware(tp);
8815                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8816                         if (err)
8817                                 return err;
8818                 } else if (err) {
8819                         netdev_warn(tp->dev, "TSO capability disabled\n");
8820                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8821                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8822                         netdev_notice(tp->dev, "TSO capability restored\n");
8823                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8824                 }
8825         }
8826
8827         netif_carrier_off(tp->dev);
8828
8829         err = tg3_set_power_state(tp, PCI_D0);
8830         if (err)
8831                 return err;
8832
8833         tg3_full_lock(tp, 0);
8834
8835         tg3_disable_ints(tp);
8836         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8837
8838         tg3_full_unlock(tp);
8839
8840         /*
8841          * Setup interrupts first so we know how
8842          * many NAPI resources to allocate
8843          */
8844         tg3_ints_init(tp);
8845
8846         /* The placement of this call is tied
8847          * to the setup and use of Host TX descriptors.
8848          */
8849         err = tg3_alloc_consistent(tp);
8850         if (err)
8851                 goto err_out1;
8852
8853         tg3_napi_enable(tp);
8854
8855         for (i = 0; i < tp->irq_cnt; i++) {
8856                 struct tg3_napi *tnapi = &tp->napi[i];
8857                 err = tg3_request_irq(tp, i);
8858                 if (err) {
8859                         for (i--; i >= 0; i--)
8860                                 free_irq(tnapi->irq_vec, tnapi);
8861                         break;
8862                 }
8863         }
8864
8865         if (err)
8866                 goto err_out2;
8867
8868         tg3_full_lock(tp, 0);
8869
8870         err = tg3_init_hw(tp, 1);
8871         if (err) {
8872                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8873                 tg3_free_rings(tp);
8874         } else {
8875                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8876                         tp->timer_offset = HZ;
8877                 else
8878                         tp->timer_offset = HZ / 10;
8879
8880                 BUG_ON(tp->timer_offset > HZ);
8881                 tp->timer_counter = tp->timer_multiplier =
8882                         (HZ / tp->timer_offset);
8883                 tp->asf_counter = tp->asf_multiplier =
8884                         ((HZ / tp->timer_offset) * 2);
8885
8886                 init_timer(&tp->timer);
8887                 tp->timer.expires = jiffies + tp->timer_offset;
8888                 tp->timer.data = (unsigned long) tp;
8889                 tp->timer.function = tg3_timer;
8890         }
8891
8892         tg3_full_unlock(tp);
8893
8894         if (err)
8895                 goto err_out3;
8896
8897         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8898                 err = tg3_test_msi(tp);
8899
8900                 if (err) {
8901                         tg3_full_lock(tp, 0);
8902                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8903                         tg3_free_rings(tp);
8904                         tg3_full_unlock(tp);
8905
8906                         goto err_out2;
8907                 }
8908
8909                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8910                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 &&
8911                     (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8912                     (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8913                         u32 val = tr32(PCIE_TRANSACTION_CFG);
8914
8915                         tw32(PCIE_TRANSACTION_CFG,
8916                              val | PCIE_TRANS_CFG_1SHOT_MSI);
8917                 }
8918         }
8919
8920         tg3_phy_start(tp);
8921
8922         tg3_full_lock(tp, 0);
8923
8924         add_timer(&tp->timer);
8925         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8926         tg3_enable_ints(tp);
8927
8928         tg3_full_unlock(tp);
8929
8930         netif_tx_start_all_queues(dev);
8931
8932         return 0;
8933
8934 err_out3:
8935         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8936                 struct tg3_napi *tnapi = &tp->napi[i];
8937                 free_irq(tnapi->irq_vec, tnapi);
8938         }
8939
8940 err_out2:
8941         tg3_napi_disable(tp);
8942         tg3_free_consistent(tp);
8943
8944 err_out1:
8945         tg3_ints_fini(tp);
8946         return err;
8947 }
8948
8949 static struct net_device_stats *tg3_get_stats(struct net_device *);
8950 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8951
8952 static int tg3_close(struct net_device *dev)
8953 {
8954         int i;
8955         struct tg3 *tp = netdev_priv(dev);
8956
8957         tg3_napi_disable(tp);
8958         cancel_work_sync(&tp->reset_task);
8959
8960         netif_tx_stop_all_queues(dev);
8961
8962         del_timer_sync(&tp->timer);
8963
8964         tg3_phy_stop(tp);
8965
8966         tg3_full_lock(tp, 1);
8967
8968         tg3_disable_ints(tp);
8969
8970         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8971         tg3_free_rings(tp);
8972         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8973
8974         tg3_full_unlock(tp);
8975
8976         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8977                 struct tg3_napi *tnapi = &tp->napi[i];
8978                 free_irq(tnapi->irq_vec, tnapi);
8979         }
8980
8981         tg3_ints_fini(tp);
8982
8983         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8984                sizeof(tp->net_stats_prev));
8985         memcpy(&tp->estats_prev, tg3_get_estats(tp),
8986                sizeof(tp->estats_prev));
8987
8988         tg3_free_consistent(tp);
8989
8990         tg3_set_power_state(tp, PCI_D3hot);
8991
8992         netif_carrier_off(tp->dev);
8993
8994         return 0;
8995 }
8996
8997 static inline unsigned long get_stat64(tg3_stat64_t *val)
8998 {
8999         unsigned long ret;
9000
9001 #if (BITS_PER_LONG == 32)
9002         ret = val->low;
9003 #else
9004         ret = ((u64)val->high << 32) | ((u64)val->low);
9005 #endif
9006         return ret;
9007 }
9008
9009 static inline u64 get_estat64(tg3_stat64_t *val)
9010 {
9011        return ((u64)val->high << 32) | ((u64)val->low);
9012 }
9013
9014 static unsigned long calc_crc_errors(struct tg3 *tp)
9015 {
9016         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9017
9018         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9019             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9020              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9021                 u32 val;
9022
9023                 spin_lock_bh(&tp->lock);
9024                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9025                         tg3_writephy(tp, MII_TG3_TEST1,
9026                                      val | MII_TG3_TEST1_CRC_EN);
9027                         tg3_readphy(tp, 0x14, &val);
9028                 } else
9029                         val = 0;
9030                 spin_unlock_bh(&tp->lock);
9031
9032                 tp->phy_crc_errors += val;
9033
9034                 return tp->phy_crc_errors;
9035         }
9036
9037         return get_stat64(&hw_stats->rx_fcs_errors);
9038 }
9039
9040 #define ESTAT_ADD(member) \
9041         estats->member =        old_estats->member + \
9042                                 get_estat64(&hw_stats->member)
9043
9044 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9045 {
9046         struct tg3_ethtool_stats *estats = &tp->estats;
9047         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9048         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9049
9050         if (!hw_stats)
9051                 return old_estats;
9052
9053         ESTAT_ADD(rx_octets);
9054         ESTAT_ADD(rx_fragments);
9055         ESTAT_ADD(rx_ucast_packets);
9056         ESTAT_ADD(rx_mcast_packets);
9057         ESTAT_ADD(rx_bcast_packets);
9058         ESTAT_ADD(rx_fcs_errors);
9059         ESTAT_ADD(rx_align_errors);
9060         ESTAT_ADD(rx_xon_pause_rcvd);
9061         ESTAT_ADD(rx_xoff_pause_rcvd);
9062         ESTAT_ADD(rx_mac_ctrl_rcvd);
9063         ESTAT_ADD(rx_xoff_entered);
9064         ESTAT_ADD(rx_frame_too_long_errors);
9065         ESTAT_ADD(rx_jabbers);
9066         ESTAT_ADD(rx_undersize_packets);
9067         ESTAT_ADD(rx_in_length_errors);
9068         ESTAT_ADD(rx_out_length_errors);
9069         ESTAT_ADD(rx_64_or_less_octet_packets);
9070         ESTAT_ADD(rx_65_to_127_octet_packets);
9071         ESTAT_ADD(rx_128_to_255_octet_packets);
9072         ESTAT_ADD(rx_256_to_511_octet_packets);
9073         ESTAT_ADD(rx_512_to_1023_octet_packets);
9074         ESTAT_ADD(rx_1024_to_1522_octet_packets);
9075         ESTAT_ADD(rx_1523_to_2047_octet_packets);
9076         ESTAT_ADD(rx_2048_to_4095_octet_packets);
9077         ESTAT_ADD(rx_4096_to_8191_octet_packets);
9078         ESTAT_ADD(rx_8192_to_9022_octet_packets);
9079
9080         ESTAT_ADD(tx_octets);
9081         ESTAT_ADD(tx_collisions);
9082         ESTAT_ADD(tx_xon_sent);
9083         ESTAT_ADD(tx_xoff_sent);
9084         ESTAT_ADD(tx_flow_control);
9085         ESTAT_ADD(tx_mac_errors);
9086         ESTAT_ADD(tx_single_collisions);
9087         ESTAT_ADD(tx_mult_collisions);
9088         ESTAT_ADD(tx_deferred);
9089         ESTAT_ADD(tx_excessive_collisions);
9090         ESTAT_ADD(tx_late_collisions);
9091         ESTAT_ADD(tx_collide_2times);
9092         ESTAT_ADD(tx_collide_3times);
9093         ESTAT_ADD(tx_collide_4times);
9094         ESTAT_ADD(tx_collide_5times);
9095         ESTAT_ADD(tx_collide_6times);
9096         ESTAT_ADD(tx_collide_7times);
9097         ESTAT_ADD(tx_collide_8times);
9098         ESTAT_ADD(tx_collide_9times);
9099         ESTAT_ADD(tx_collide_10times);
9100         ESTAT_ADD(tx_collide_11times);
9101         ESTAT_ADD(tx_collide_12times);
9102         ESTAT_ADD(tx_collide_13times);
9103         ESTAT_ADD(tx_collide_14times);
9104         ESTAT_ADD(tx_collide_15times);
9105         ESTAT_ADD(tx_ucast_packets);
9106         ESTAT_ADD(tx_mcast_packets);
9107         ESTAT_ADD(tx_bcast_packets);
9108         ESTAT_ADD(tx_carrier_sense_errors);
9109         ESTAT_ADD(tx_discards);
9110         ESTAT_ADD(tx_errors);
9111
9112         ESTAT_ADD(dma_writeq_full);
9113         ESTAT_ADD(dma_write_prioq_full);
9114         ESTAT_ADD(rxbds_empty);
9115         ESTAT_ADD(rx_discards);
9116         ESTAT_ADD(rx_errors);
9117         ESTAT_ADD(rx_threshold_hit);
9118
9119         ESTAT_ADD(dma_readq_full);
9120         ESTAT_ADD(dma_read_prioq_full);
9121         ESTAT_ADD(tx_comp_queue_full);
9122
9123         ESTAT_ADD(ring_set_send_prod_index);
9124         ESTAT_ADD(ring_status_update);
9125         ESTAT_ADD(nic_irqs);
9126         ESTAT_ADD(nic_avoided_irqs);
9127         ESTAT_ADD(nic_tx_threshold_hit);
9128
9129         return estats;
9130 }
9131
9132 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
9133 {
9134         struct tg3 *tp = netdev_priv(dev);
9135         struct net_device_stats *stats = &tp->net_stats;
9136         struct net_device_stats *old_stats = &tp->net_stats_prev;
9137         struct tg3_hw_stats *hw_stats = tp->hw_stats;
9138
9139         if (!hw_stats)
9140                 return old_stats;
9141
9142         stats->rx_packets = old_stats->rx_packets +
9143                 get_stat64(&hw_stats->rx_ucast_packets) +
9144                 get_stat64(&hw_stats->rx_mcast_packets) +
9145                 get_stat64(&hw_stats->rx_bcast_packets);
9146
9147         stats->tx_packets = old_stats->tx_packets +
9148                 get_stat64(&hw_stats->tx_ucast_packets) +
9149                 get_stat64(&hw_stats->tx_mcast_packets) +
9150                 get_stat64(&hw_stats->tx_bcast_packets);
9151
9152         stats->rx_bytes = old_stats->rx_bytes +
9153                 get_stat64(&hw_stats->rx_octets);
9154         stats->tx_bytes = old_stats->tx_bytes +
9155                 get_stat64(&hw_stats->tx_octets);
9156
9157         stats->rx_errors = old_stats->rx_errors +
9158                 get_stat64(&hw_stats->rx_errors);
9159         stats->tx_errors = old_stats->tx_errors +
9160                 get_stat64(&hw_stats->tx_errors) +
9161                 get_stat64(&hw_stats->tx_mac_errors) +
9162                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9163                 get_stat64(&hw_stats->tx_discards);
9164
9165         stats->multicast = old_stats->multicast +
9166                 get_stat64(&hw_stats->rx_mcast_packets);
9167         stats->collisions = old_stats->collisions +
9168                 get_stat64(&hw_stats->tx_collisions);
9169
9170         stats->rx_length_errors = old_stats->rx_length_errors +
9171                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9172                 get_stat64(&hw_stats->rx_undersize_packets);
9173
9174         stats->rx_over_errors = old_stats->rx_over_errors +
9175                 get_stat64(&hw_stats->rxbds_empty);
9176         stats->rx_frame_errors = old_stats->rx_frame_errors +
9177                 get_stat64(&hw_stats->rx_align_errors);
9178         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9179                 get_stat64(&hw_stats->tx_discards);
9180         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9181                 get_stat64(&hw_stats->tx_carrier_sense_errors);
9182
9183         stats->rx_crc_errors = old_stats->rx_crc_errors +
9184                 calc_crc_errors(tp);
9185
9186         stats->rx_missed_errors = old_stats->rx_missed_errors +
9187                 get_stat64(&hw_stats->rx_discards);
9188
9189         return stats;
9190 }
9191
9192 static inline u32 calc_crc(unsigned char *buf, int len)
9193 {
9194         u32 reg;
9195         u32 tmp;
9196         int j, k;
9197
9198         reg = 0xffffffff;
9199
9200         for (j = 0; j < len; j++) {
9201                 reg ^= buf[j];
9202
9203                 for (k = 0; k < 8; k++) {
9204                         tmp = reg & 0x01;
9205
9206                         reg >>= 1;
9207
9208                         if (tmp)
9209                                 reg ^= 0xedb88320;
9210                 }
9211         }
9212
9213         return ~reg;
9214 }
9215
9216 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9217 {
9218         /* accept or reject all multicast frames */
9219         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9220         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9221         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9222         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9223 }
9224
9225 static void __tg3_set_rx_mode(struct net_device *dev)
9226 {
9227         struct tg3 *tp = netdev_priv(dev);
9228         u32 rx_mode;
9229
9230         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9231                                   RX_MODE_KEEP_VLAN_TAG);
9232
9233         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9234          * flag clear.
9235          */
9236 #if TG3_VLAN_TAG_USED
9237         if (!tp->vlgrp &&
9238             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9239                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9240 #else
9241         /* By definition, VLAN is disabled always in this
9242          * case.
9243          */
9244         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9245                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9246 #endif
9247
9248         if (dev->flags & IFF_PROMISC) {
9249                 /* Promiscuous mode. */
9250                 rx_mode |= RX_MODE_PROMISC;
9251         } else if (dev->flags & IFF_ALLMULTI) {
9252                 /* Accept all multicast. */
9253                 tg3_set_multi (tp, 1);
9254         } else if (netdev_mc_empty(dev)) {
9255                 /* Reject all multicast. */
9256                 tg3_set_multi (tp, 0);
9257         } else {
9258                 /* Accept one or more multicast(s). */
9259                 struct netdev_hw_addr *ha;
9260                 u32 mc_filter[4] = { 0, };
9261                 u32 regidx;
9262                 u32 bit;
9263                 u32 crc;
9264
9265                 netdev_for_each_mc_addr(ha, dev) {
9266                         crc = calc_crc(ha->addr, ETH_ALEN);
9267                         bit = ~crc & 0x7f;
9268                         regidx = (bit & 0x60) >> 5;
9269                         bit &= 0x1f;
9270                         mc_filter[regidx] |= (1 << bit);
9271                 }
9272
9273                 tw32(MAC_HASH_REG_0, mc_filter[0]);
9274                 tw32(MAC_HASH_REG_1, mc_filter[1]);
9275                 tw32(MAC_HASH_REG_2, mc_filter[2]);
9276                 tw32(MAC_HASH_REG_3, mc_filter[3]);
9277         }
9278
9279         if (rx_mode != tp->rx_mode) {
9280                 tp->rx_mode = rx_mode;
9281                 tw32_f(MAC_RX_MODE, rx_mode);
9282                 udelay(10);
9283         }
9284 }
9285
9286 static void tg3_set_rx_mode(struct net_device *dev)
9287 {
9288         struct tg3 *tp = netdev_priv(dev);
9289
9290         if (!netif_running(dev))
9291                 return;
9292
9293         tg3_full_lock(tp, 0);
9294         __tg3_set_rx_mode(dev);
9295         tg3_full_unlock(tp);
9296 }
9297
9298 #define TG3_REGDUMP_LEN         (32 * 1024)
9299
9300 static int tg3_get_regs_len(struct net_device *dev)
9301 {
9302         return TG3_REGDUMP_LEN;
9303 }
9304
9305 static void tg3_get_regs(struct net_device *dev,
9306                 struct ethtool_regs *regs, void *_p)
9307 {
9308         u32 *p = _p;
9309         struct tg3 *tp = netdev_priv(dev);
9310         u8 *orig_p = _p;
9311         int i;
9312
9313         regs->version = 0;
9314
9315         memset(p, 0, TG3_REGDUMP_LEN);
9316
9317         if (tp->link_config.phy_is_low_power)
9318                 return;
9319
9320         tg3_full_lock(tp, 0);
9321
9322 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
9323 #define GET_REG32_LOOP(base,len)                \
9324 do {    p = (u32 *)(orig_p + (base));           \
9325         for (i = 0; i < len; i += 4)            \
9326                 __GET_REG32((base) + i);        \
9327 } while (0)
9328 #define GET_REG32_1(reg)                        \
9329 do {    p = (u32 *)(orig_p + (reg));            \
9330         __GET_REG32((reg));                     \
9331 } while (0)
9332
9333         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9334         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9335         GET_REG32_LOOP(MAC_MODE, 0x4f0);
9336         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9337         GET_REG32_1(SNDDATAC_MODE);
9338         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9339         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9340         GET_REG32_1(SNDBDC_MODE);
9341         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9342         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9343         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9344         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9345         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9346         GET_REG32_1(RCVDCC_MODE);
9347         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9348         GET_REG32_LOOP(RCVCC_MODE, 0x14);
9349         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9350         GET_REG32_1(MBFREE_MODE);
9351         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9352         GET_REG32_LOOP(MEMARB_MODE, 0x10);
9353         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9354         GET_REG32_LOOP(RDMAC_MODE, 0x08);
9355         GET_REG32_LOOP(WDMAC_MODE, 0x08);
9356         GET_REG32_1(RX_CPU_MODE);
9357         GET_REG32_1(RX_CPU_STATE);
9358         GET_REG32_1(RX_CPU_PGMCTR);
9359         GET_REG32_1(RX_CPU_HWBKPT);
9360         GET_REG32_1(TX_CPU_MODE);
9361         GET_REG32_1(TX_CPU_STATE);
9362         GET_REG32_1(TX_CPU_PGMCTR);
9363         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9364         GET_REG32_LOOP(FTQ_RESET, 0x120);
9365         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9366         GET_REG32_1(DMAC_MODE);
9367         GET_REG32_LOOP(GRC_MODE, 0x4c);
9368         if (tp->tg3_flags & TG3_FLAG_NVRAM)
9369                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9370
9371 #undef __GET_REG32
9372 #undef GET_REG32_LOOP
9373 #undef GET_REG32_1
9374
9375         tg3_full_unlock(tp);
9376 }
9377
9378 static int tg3_get_eeprom_len(struct net_device *dev)
9379 {
9380         struct tg3 *tp = netdev_priv(dev);
9381
9382         return tp->nvram_size;
9383 }
9384
9385 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9386 {
9387         struct tg3 *tp = netdev_priv(dev);
9388         int ret;
9389         u8  *pd;
9390         u32 i, offset, len, b_offset, b_count;
9391         __be32 val;
9392
9393         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9394                 return -EINVAL;
9395
9396         if (tp->link_config.phy_is_low_power)
9397                 return -EAGAIN;
9398
9399         offset = eeprom->offset;
9400         len = eeprom->len;
9401         eeprom->len = 0;
9402
9403         eeprom->magic = TG3_EEPROM_MAGIC;
9404
9405         if (offset & 3) {
9406                 /* adjustments to start on required 4 byte boundary */
9407                 b_offset = offset & 3;
9408                 b_count = 4 - b_offset;
9409                 if (b_count > len) {
9410                         /* i.e. offset=1 len=2 */
9411                         b_count = len;
9412                 }
9413                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9414                 if (ret)
9415                         return ret;
9416                 memcpy(data, ((char*)&val) + b_offset, b_count);
9417                 len -= b_count;
9418                 offset += b_count;
9419                 eeprom->len += b_count;
9420         }
9421
9422         /* read bytes upto the last 4 byte boundary */
9423         pd = &data[eeprom->len];
9424         for (i = 0; i < (len - (len & 3)); i += 4) {
9425                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9426                 if (ret) {
9427                         eeprom->len += i;
9428                         return ret;
9429                 }
9430                 memcpy(pd + i, &val, 4);
9431         }
9432         eeprom->len += i;
9433
9434         if (len & 3) {
9435                 /* read last bytes not ending on 4 byte boundary */
9436                 pd = &data[eeprom->len];
9437                 b_count = len & 3;
9438                 b_offset = offset + len - b_count;
9439                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9440                 if (ret)
9441                         return ret;
9442                 memcpy(pd, &val, b_count);
9443                 eeprom->len += b_count;
9444         }
9445         return 0;
9446 }
9447
9448 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9449
9450 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9451 {
9452         struct tg3 *tp = netdev_priv(dev);
9453         int ret;
9454         u32 offset, len, b_offset, odd_len;
9455         u8 *buf;
9456         __be32 start, end;
9457
9458         if (tp->link_config.phy_is_low_power)
9459                 return -EAGAIN;
9460
9461         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9462             eeprom->magic != TG3_EEPROM_MAGIC)
9463                 return -EINVAL;
9464
9465         offset = eeprom->offset;
9466         len = eeprom->len;
9467
9468         if ((b_offset = (offset & 3))) {
9469                 /* adjustments to start on required 4 byte boundary */
9470                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9471                 if (ret)
9472                         return ret;
9473                 len += b_offset;
9474                 offset &= ~3;
9475                 if (len < 4)
9476                         len = 4;
9477         }
9478
9479         odd_len = 0;
9480         if (len & 3) {
9481                 /* adjustments to end on required 4 byte boundary */
9482                 odd_len = 1;
9483                 len = (len + 3) & ~3;
9484                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9485                 if (ret)
9486                         return ret;
9487         }
9488
9489         buf = data;
9490         if (b_offset || odd_len) {
9491                 buf = kmalloc(len, GFP_KERNEL);
9492                 if (!buf)
9493                         return -ENOMEM;
9494                 if (b_offset)
9495                         memcpy(buf, &start, 4);
9496                 if (odd_len)
9497                         memcpy(buf+len-4, &end, 4);
9498                 memcpy(buf + b_offset, data, eeprom->len);
9499         }
9500
9501         ret = tg3_nvram_write_block(tp, offset, len, buf);
9502
9503         if (buf != data)
9504                 kfree(buf);
9505
9506         return ret;
9507 }
9508
9509 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9510 {
9511         struct tg3 *tp = netdev_priv(dev);
9512
9513         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9514                 struct phy_device *phydev;
9515                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9516                         return -EAGAIN;
9517                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9518                 return phy_ethtool_gset(phydev, cmd);
9519         }
9520
9521         cmd->supported = (SUPPORTED_Autoneg);
9522
9523         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9524                 cmd->supported |= (SUPPORTED_1000baseT_Half |
9525                                    SUPPORTED_1000baseT_Full);
9526
9527         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
9528                 cmd->supported |= (SUPPORTED_100baseT_Half |
9529                                   SUPPORTED_100baseT_Full |
9530                                   SUPPORTED_10baseT_Half |
9531                                   SUPPORTED_10baseT_Full |
9532                                   SUPPORTED_TP);
9533                 cmd->port = PORT_TP;
9534         } else {
9535                 cmd->supported |= SUPPORTED_FIBRE;
9536                 cmd->port = PORT_FIBRE;
9537         }
9538
9539         cmd->advertising = tp->link_config.advertising;
9540         if (netif_running(dev)) {
9541                 cmd->speed = tp->link_config.active_speed;
9542                 cmd->duplex = tp->link_config.active_duplex;
9543         }
9544         cmd->phy_address = tp->phy_addr;
9545         cmd->transceiver = XCVR_INTERNAL;
9546         cmd->autoneg = tp->link_config.autoneg;
9547         cmd->maxtxpkt = 0;
9548         cmd->maxrxpkt = 0;
9549         return 0;
9550 }
9551
9552 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9553 {
9554         struct tg3 *tp = netdev_priv(dev);
9555
9556         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9557                 struct phy_device *phydev;
9558                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9559                         return -EAGAIN;
9560                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9561                 return phy_ethtool_sset(phydev, cmd);
9562         }
9563
9564         if (cmd->autoneg != AUTONEG_ENABLE &&
9565             cmd->autoneg != AUTONEG_DISABLE)
9566                 return -EINVAL;
9567
9568         if (cmd->autoneg == AUTONEG_DISABLE &&
9569             cmd->duplex != DUPLEX_FULL &&
9570             cmd->duplex != DUPLEX_HALF)
9571                 return -EINVAL;
9572
9573         if (cmd->autoneg == AUTONEG_ENABLE) {
9574                 u32 mask = ADVERTISED_Autoneg |
9575                            ADVERTISED_Pause |
9576                            ADVERTISED_Asym_Pause;
9577
9578                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9579                         mask |= ADVERTISED_1000baseT_Half |
9580                                 ADVERTISED_1000baseT_Full;
9581
9582                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9583                         mask |= ADVERTISED_100baseT_Half |
9584                                 ADVERTISED_100baseT_Full |
9585                                 ADVERTISED_10baseT_Half |
9586                                 ADVERTISED_10baseT_Full |
9587                                 ADVERTISED_TP;
9588                 else
9589                         mask |= ADVERTISED_FIBRE;
9590
9591                 if (cmd->advertising & ~mask)
9592                         return -EINVAL;
9593
9594                 mask &= (ADVERTISED_1000baseT_Half |
9595                          ADVERTISED_1000baseT_Full |
9596                          ADVERTISED_100baseT_Half |
9597                          ADVERTISED_100baseT_Full |
9598                          ADVERTISED_10baseT_Half |
9599                          ADVERTISED_10baseT_Full);
9600
9601                 cmd->advertising &= mask;
9602         } else {
9603                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9604                         if (cmd->speed != SPEED_1000)
9605                                 return -EINVAL;
9606
9607                         if (cmd->duplex != DUPLEX_FULL)
9608                                 return -EINVAL;
9609                 } else {
9610                         if (cmd->speed != SPEED_100 &&
9611                             cmd->speed != SPEED_10)
9612                                 return -EINVAL;
9613                 }
9614         }
9615
9616         tg3_full_lock(tp, 0);
9617
9618         tp->link_config.autoneg = cmd->autoneg;
9619         if (cmd->autoneg == AUTONEG_ENABLE) {
9620                 tp->link_config.advertising = (cmd->advertising |
9621                                               ADVERTISED_Autoneg);
9622                 tp->link_config.speed = SPEED_INVALID;
9623                 tp->link_config.duplex = DUPLEX_INVALID;
9624         } else {
9625                 tp->link_config.advertising = 0;
9626                 tp->link_config.speed = cmd->speed;
9627                 tp->link_config.duplex = cmd->duplex;
9628         }
9629
9630         tp->link_config.orig_speed = tp->link_config.speed;
9631         tp->link_config.orig_duplex = tp->link_config.duplex;
9632         tp->link_config.orig_autoneg = tp->link_config.autoneg;
9633
9634         if (netif_running(dev))
9635                 tg3_setup_phy(tp, 1);
9636
9637         tg3_full_unlock(tp);
9638
9639         return 0;
9640 }
9641
9642 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9643 {
9644         struct tg3 *tp = netdev_priv(dev);
9645
9646         strcpy(info->driver, DRV_MODULE_NAME);
9647         strcpy(info->version, DRV_MODULE_VERSION);
9648         strcpy(info->fw_version, tp->fw_ver);
9649         strcpy(info->bus_info, pci_name(tp->pdev));
9650 }
9651
9652 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9653 {
9654         struct tg3 *tp = netdev_priv(dev);
9655
9656         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9657             device_can_wakeup(&tp->pdev->dev))
9658                 wol->supported = WAKE_MAGIC;
9659         else
9660                 wol->supported = 0;
9661         wol->wolopts = 0;
9662         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9663             device_can_wakeup(&tp->pdev->dev))
9664                 wol->wolopts = WAKE_MAGIC;
9665         memset(&wol->sopass, 0, sizeof(wol->sopass));
9666 }
9667
9668 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9669 {
9670         struct tg3 *tp = netdev_priv(dev);
9671         struct device *dp = &tp->pdev->dev;
9672
9673         if (wol->wolopts & ~WAKE_MAGIC)
9674                 return -EINVAL;
9675         if ((wol->wolopts & WAKE_MAGIC) &&
9676             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9677                 return -EINVAL;
9678
9679         spin_lock_bh(&tp->lock);
9680         if (wol->wolopts & WAKE_MAGIC) {
9681                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9682                 device_set_wakeup_enable(dp, true);
9683         } else {
9684                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9685                 device_set_wakeup_enable(dp, false);
9686         }
9687         spin_unlock_bh(&tp->lock);
9688
9689         return 0;
9690 }
9691
9692 static u32 tg3_get_msglevel(struct net_device *dev)
9693 {
9694         struct tg3 *tp = netdev_priv(dev);
9695         return tp->msg_enable;
9696 }
9697
9698 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9699 {
9700         struct tg3 *tp = netdev_priv(dev);
9701         tp->msg_enable = value;
9702 }
9703
9704 static int tg3_set_tso(struct net_device *dev, u32 value)
9705 {
9706         struct tg3 *tp = netdev_priv(dev);
9707
9708         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9709                 if (value)
9710                         return -EINVAL;
9711                 return 0;
9712         }
9713         if ((dev->features & NETIF_F_IPV6_CSUM) &&
9714             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9715              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9716                 if (value) {
9717                         dev->features |= NETIF_F_TSO6;
9718                         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9719                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9720                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9721                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9722                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9723                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9724                                 dev->features |= NETIF_F_TSO_ECN;
9725                 } else
9726                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9727         }
9728         return ethtool_op_set_tso(dev, value);
9729 }
9730
9731 static int tg3_nway_reset(struct net_device *dev)
9732 {
9733         struct tg3 *tp = netdev_priv(dev);
9734         int r;
9735
9736         if (!netif_running(dev))
9737                 return -EAGAIN;
9738
9739         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9740                 return -EINVAL;
9741
9742         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9743                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9744                         return -EAGAIN;
9745                 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9746         } else {
9747                 u32 bmcr;
9748
9749                 spin_lock_bh(&tp->lock);
9750                 r = -EINVAL;
9751                 tg3_readphy(tp, MII_BMCR, &bmcr);
9752                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9753                     ((bmcr & BMCR_ANENABLE) ||
9754                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9755                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9756                                                    BMCR_ANENABLE);
9757                         r = 0;
9758                 }
9759                 spin_unlock_bh(&tp->lock);
9760         }
9761
9762         return r;
9763 }
9764
9765 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9766 {
9767         struct tg3 *tp = netdev_priv(dev);
9768
9769         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9770         ering->rx_mini_max_pending = 0;
9771         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9772                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9773         else
9774                 ering->rx_jumbo_max_pending = 0;
9775
9776         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
9777
9778         ering->rx_pending = tp->rx_pending;
9779         ering->rx_mini_pending = 0;
9780         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9781                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9782         else
9783                 ering->rx_jumbo_pending = 0;
9784
9785         ering->tx_pending = tp->napi[0].tx_pending;
9786 }
9787
9788 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9789 {
9790         struct tg3 *tp = netdev_priv(dev);
9791         int i, irq_sync = 0, err = 0;
9792
9793         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9794             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
9795             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9796             (ering->tx_pending <= MAX_SKB_FRAGS) ||
9797             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
9798              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
9799                 return -EINVAL;
9800
9801         if (netif_running(dev)) {
9802                 tg3_phy_stop(tp);
9803                 tg3_netif_stop(tp);
9804                 irq_sync = 1;
9805         }
9806
9807         tg3_full_lock(tp, irq_sync);
9808
9809         tp->rx_pending = ering->rx_pending;
9810
9811         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9812             tp->rx_pending > 63)
9813                 tp->rx_pending = 63;
9814         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
9815
9816         for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9817                 tp->napi[i].tx_pending = ering->tx_pending;
9818
9819         if (netif_running(dev)) {
9820                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9821                 err = tg3_restart_hw(tp, 1);
9822                 if (!err)
9823                         tg3_netif_start(tp);
9824         }
9825
9826         tg3_full_unlock(tp);
9827
9828         if (irq_sync && !err)
9829                 tg3_phy_start(tp);
9830
9831         return err;
9832 }
9833
9834 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9835 {
9836         struct tg3 *tp = netdev_priv(dev);
9837
9838         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
9839
9840         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
9841                 epause->rx_pause = 1;
9842         else
9843                 epause->rx_pause = 0;
9844
9845         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
9846                 epause->tx_pause = 1;
9847         else
9848                 epause->tx_pause = 0;
9849 }
9850
9851 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9852 {
9853         struct tg3 *tp = netdev_priv(dev);
9854         int err = 0;
9855
9856         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9857                 u32 newadv;
9858                 struct phy_device *phydev;
9859
9860                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9861
9862                 if (!(phydev->supported & SUPPORTED_Pause) ||
9863                     (!(phydev->supported & SUPPORTED_Asym_Pause) &&
9864                      ((epause->rx_pause && !epause->tx_pause) ||
9865                       (!epause->rx_pause && epause->tx_pause))))
9866                         return -EINVAL;
9867
9868                 tp->link_config.flowctrl = 0;
9869                 if (epause->rx_pause) {
9870                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
9871
9872                         if (epause->tx_pause) {
9873                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9874                                 newadv = ADVERTISED_Pause;
9875                         } else
9876                                 newadv = ADVERTISED_Pause |
9877                                          ADVERTISED_Asym_Pause;
9878                 } else if (epause->tx_pause) {
9879                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
9880                         newadv = ADVERTISED_Asym_Pause;
9881                 } else
9882                         newadv = 0;
9883
9884                 if (epause->autoneg)
9885                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9886                 else
9887                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9888
9889                 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9890                         u32 oldadv = phydev->advertising &
9891                                      (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
9892                         if (oldadv != newadv) {
9893                                 phydev->advertising &=
9894                                         ~(ADVERTISED_Pause |
9895                                           ADVERTISED_Asym_Pause);
9896                                 phydev->advertising |= newadv;
9897                                 if (phydev->autoneg) {
9898                                         /*
9899                                          * Always renegotiate the link to
9900                                          * inform our link partner of our
9901                                          * flow control settings, even if the
9902                                          * flow control is forced.  Let
9903                                          * tg3_adjust_link() do the final
9904                                          * flow control setup.
9905                                          */
9906                                         return phy_start_aneg(phydev);
9907                                 }
9908                         }
9909
9910                         if (!epause->autoneg)
9911                                 tg3_setup_flow_control(tp, 0, 0);
9912                 } else {
9913                         tp->link_config.orig_advertising &=
9914                                         ~(ADVERTISED_Pause |
9915                                           ADVERTISED_Asym_Pause);
9916                         tp->link_config.orig_advertising |= newadv;
9917                 }
9918         } else {
9919                 int irq_sync = 0;
9920
9921                 if (netif_running(dev)) {
9922                         tg3_netif_stop(tp);
9923                         irq_sync = 1;
9924                 }
9925
9926                 tg3_full_lock(tp, irq_sync);
9927
9928                 if (epause->autoneg)
9929                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9930                 else
9931                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9932                 if (epause->rx_pause)
9933                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
9934                 else
9935                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9936                 if (epause->tx_pause)
9937                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
9938                 else
9939                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9940
9941                 if (netif_running(dev)) {
9942                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9943                         err = tg3_restart_hw(tp, 1);
9944                         if (!err)
9945                                 tg3_netif_start(tp);
9946                 }
9947
9948                 tg3_full_unlock(tp);
9949         }
9950
9951         return err;
9952 }
9953
9954 static u32 tg3_get_rx_csum(struct net_device *dev)
9955 {
9956         struct tg3 *tp = netdev_priv(dev);
9957         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9958 }
9959
9960 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9961 {
9962         struct tg3 *tp = netdev_priv(dev);
9963
9964         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9965                 if (data != 0)
9966                         return -EINVAL;
9967                 return 0;
9968         }
9969
9970         spin_lock_bh(&tp->lock);
9971         if (data)
9972                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9973         else
9974                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9975         spin_unlock_bh(&tp->lock);
9976
9977         return 0;
9978 }
9979
9980 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9981 {
9982         struct tg3 *tp = netdev_priv(dev);
9983
9984         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9985                 if (data != 0)
9986                         return -EINVAL;
9987                 return 0;
9988         }
9989
9990         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9991                 ethtool_op_set_tx_ipv6_csum(dev, data);
9992         else
9993                 ethtool_op_set_tx_csum(dev, data);
9994
9995         return 0;
9996 }
9997
9998 static int tg3_get_sset_count (struct net_device *dev, int sset)
9999 {
10000         switch (sset) {
10001         case ETH_SS_TEST:
10002                 return TG3_NUM_TEST;
10003         case ETH_SS_STATS:
10004                 return TG3_NUM_STATS;
10005         default:
10006                 return -EOPNOTSUPP;
10007         }
10008 }
10009
10010 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
10011 {
10012         switch (stringset) {
10013         case ETH_SS_STATS:
10014                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
10015                 break;
10016         case ETH_SS_TEST:
10017                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
10018                 break;
10019         default:
10020                 WARN_ON(1);     /* we need a WARN() */
10021                 break;
10022         }
10023 }
10024
10025 static int tg3_phys_id(struct net_device *dev, u32 data)
10026 {
10027         struct tg3 *tp = netdev_priv(dev);
10028         int i;
10029
10030         if (!netif_running(tp->dev))
10031                 return -EAGAIN;
10032
10033         if (data == 0)
10034                 data = UINT_MAX / 2;
10035
10036         for (i = 0; i < (data * 2); i++) {
10037                 if ((i % 2) == 0)
10038                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10039                                            LED_CTRL_1000MBPS_ON |
10040                                            LED_CTRL_100MBPS_ON |
10041                                            LED_CTRL_10MBPS_ON |
10042                                            LED_CTRL_TRAFFIC_OVERRIDE |
10043                                            LED_CTRL_TRAFFIC_BLINK |
10044                                            LED_CTRL_TRAFFIC_LED);
10045
10046                 else
10047                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10048                                            LED_CTRL_TRAFFIC_OVERRIDE);
10049
10050                 if (msleep_interruptible(500))
10051                         break;
10052         }
10053         tw32(MAC_LED_CTRL, tp->led_ctrl);
10054         return 0;
10055 }
10056
10057 static void tg3_get_ethtool_stats (struct net_device *dev,
10058                                    struct ethtool_stats *estats, u64 *tmp_stats)
10059 {
10060         struct tg3 *tp = netdev_priv(dev);
10061         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10062 }
10063
10064 #define NVRAM_TEST_SIZE 0x100
10065 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
10066 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
10067 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
10068 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10069 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10070
10071 static int tg3_test_nvram(struct tg3 *tp)
10072 {
10073         u32 csum, magic;
10074         __be32 *buf;
10075         int i, j, k, err = 0, size;
10076
10077         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10078                 return 0;
10079
10080         if (tg3_nvram_read(tp, 0, &magic) != 0)
10081                 return -EIO;
10082
10083         if (magic == TG3_EEPROM_MAGIC)
10084                 size = NVRAM_TEST_SIZE;
10085         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10086                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10087                     TG3_EEPROM_SB_FORMAT_1) {
10088                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10089                         case TG3_EEPROM_SB_REVISION_0:
10090                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10091                                 break;
10092                         case TG3_EEPROM_SB_REVISION_2:
10093                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10094                                 break;
10095                         case TG3_EEPROM_SB_REVISION_3:
10096                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10097                                 break;
10098                         default:
10099                                 return 0;
10100                         }
10101                 } else
10102                         return 0;
10103         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10104                 size = NVRAM_SELFBOOT_HW_SIZE;
10105         else
10106                 return -EIO;
10107
10108         buf = kmalloc(size, GFP_KERNEL);
10109         if (buf == NULL)
10110                 return -ENOMEM;
10111
10112         err = -EIO;
10113         for (i = 0, j = 0; i < size; i += 4, j++) {
10114                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10115                 if (err)
10116                         break;
10117         }
10118         if (i < size)
10119                 goto out;
10120
10121         /* Selfboot format */
10122         magic = be32_to_cpu(buf[0]);
10123         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10124             TG3_EEPROM_MAGIC_FW) {
10125                 u8 *buf8 = (u8 *) buf, csum8 = 0;
10126
10127                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10128                     TG3_EEPROM_SB_REVISION_2) {
10129                         /* For rev 2, the csum doesn't include the MBA. */
10130                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10131                                 csum8 += buf8[i];
10132                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10133                                 csum8 += buf8[i];
10134                 } else {
10135                         for (i = 0; i < size; i++)
10136                                 csum8 += buf8[i];
10137                 }
10138
10139                 if (csum8 == 0) {
10140                         err = 0;
10141                         goto out;
10142                 }
10143
10144                 err = -EIO;
10145                 goto out;
10146         }
10147
10148         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10149             TG3_EEPROM_MAGIC_HW) {
10150                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10151                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10152                 u8 *buf8 = (u8 *) buf;
10153
10154                 /* Separate the parity bits and the data bytes.  */
10155                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10156                         if ((i == 0) || (i == 8)) {
10157                                 int l;
10158                                 u8 msk;
10159
10160                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10161                                         parity[k++] = buf8[i] & msk;
10162                                 i++;
10163                         } else if (i == 16) {
10164                                 int l;
10165                                 u8 msk;
10166
10167                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10168                                         parity[k++] = buf8[i] & msk;
10169                                 i++;
10170
10171                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10172                                         parity[k++] = buf8[i] & msk;
10173                                 i++;
10174                         }
10175                         data[j++] = buf8[i];
10176                 }
10177
10178                 err = -EIO;
10179                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10180                         u8 hw8 = hweight8(data[i]);
10181
10182                         if ((hw8 & 0x1) && parity[i])
10183                                 goto out;
10184                         else if (!(hw8 & 0x1) && !parity[i])
10185                                 goto out;
10186                 }
10187                 err = 0;
10188                 goto out;
10189         }
10190
10191         /* Bootstrap checksum at offset 0x10 */
10192         csum = calc_crc((unsigned char *) buf, 0x10);
10193         if (csum != be32_to_cpu(buf[0x10/4]))
10194                 goto out;
10195
10196         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10197         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10198         if (csum != be32_to_cpu(buf[0xfc/4]))
10199                 goto out;
10200
10201         err = 0;
10202
10203 out:
10204         kfree(buf);
10205         return err;
10206 }
10207
10208 #define TG3_SERDES_TIMEOUT_SEC  2
10209 #define TG3_COPPER_TIMEOUT_SEC  6
10210
10211 static int tg3_test_link(struct tg3 *tp)
10212 {
10213         int i, max;
10214
10215         if (!netif_running(tp->dev))
10216                 return -ENODEV;
10217
10218         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10219                 max = TG3_SERDES_TIMEOUT_SEC;
10220         else
10221                 max = TG3_COPPER_TIMEOUT_SEC;
10222
10223         for (i = 0; i < max; i++) {
10224                 if (netif_carrier_ok(tp->dev))
10225                         return 0;
10226
10227                 if (msleep_interruptible(1000))
10228                         break;
10229         }
10230
10231         return -EIO;
10232 }
10233
10234 /* Only test the commonly used registers */
10235 static int tg3_test_registers(struct tg3 *tp)
10236 {
10237         int i, is_5705, is_5750;
10238         u32 offset, read_mask, write_mask, val, save_val, read_val;
10239         static struct {
10240                 u16 offset;
10241                 u16 flags;
10242 #define TG3_FL_5705     0x1
10243 #define TG3_FL_NOT_5705 0x2
10244 #define TG3_FL_NOT_5788 0x4
10245 #define TG3_FL_NOT_5750 0x8
10246                 u32 read_mask;
10247                 u32 write_mask;
10248         } reg_tbl[] = {
10249                 /* MAC Control Registers */
10250                 { MAC_MODE, TG3_FL_NOT_5705,
10251                         0x00000000, 0x00ef6f8c },
10252                 { MAC_MODE, TG3_FL_5705,
10253                         0x00000000, 0x01ef6b8c },
10254                 { MAC_STATUS, TG3_FL_NOT_5705,
10255                         0x03800107, 0x00000000 },
10256                 { MAC_STATUS, TG3_FL_5705,
10257                         0x03800100, 0x00000000 },
10258                 { MAC_ADDR_0_HIGH, 0x0000,
10259                         0x00000000, 0x0000ffff },
10260                 { MAC_ADDR_0_LOW, 0x0000,
10261                         0x00000000, 0xffffffff },
10262                 { MAC_RX_MTU_SIZE, 0x0000,
10263                         0x00000000, 0x0000ffff },
10264                 { MAC_TX_MODE, 0x0000,
10265                         0x00000000, 0x00000070 },
10266                 { MAC_TX_LENGTHS, 0x0000,
10267                         0x00000000, 0x00003fff },
10268                 { MAC_RX_MODE, TG3_FL_NOT_5705,
10269                         0x00000000, 0x000007fc },
10270                 { MAC_RX_MODE, TG3_FL_5705,
10271                         0x00000000, 0x000007dc },
10272                 { MAC_HASH_REG_0, 0x0000,
10273                         0x00000000, 0xffffffff },
10274                 { MAC_HASH_REG_1, 0x0000,
10275                         0x00000000, 0xffffffff },
10276                 { MAC_HASH_REG_2, 0x0000,
10277                         0x00000000, 0xffffffff },
10278                 { MAC_HASH_REG_3, 0x0000,
10279                         0x00000000, 0xffffffff },
10280
10281                 /* Receive Data and Receive BD Initiator Control Registers. */
10282                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10283                         0x00000000, 0xffffffff },
10284                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10285                         0x00000000, 0xffffffff },
10286                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10287                         0x00000000, 0x00000003 },
10288                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10289                         0x00000000, 0xffffffff },
10290                 { RCVDBDI_STD_BD+0, 0x0000,
10291                         0x00000000, 0xffffffff },
10292                 { RCVDBDI_STD_BD+4, 0x0000,
10293                         0x00000000, 0xffffffff },
10294                 { RCVDBDI_STD_BD+8, 0x0000,
10295                         0x00000000, 0xffff0002 },
10296                 { RCVDBDI_STD_BD+0xc, 0x0000,
10297                         0x00000000, 0xffffffff },
10298
10299                 /* Receive BD Initiator Control Registers. */
10300                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10301                         0x00000000, 0xffffffff },
10302                 { RCVBDI_STD_THRESH, TG3_FL_5705,
10303                         0x00000000, 0x000003ff },
10304                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10305                         0x00000000, 0xffffffff },
10306
10307                 /* Host Coalescing Control Registers. */
10308                 { HOSTCC_MODE, TG3_FL_NOT_5705,
10309                         0x00000000, 0x00000004 },
10310                 { HOSTCC_MODE, TG3_FL_5705,
10311                         0x00000000, 0x000000f6 },
10312                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10313                         0x00000000, 0xffffffff },
10314                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10315                         0x00000000, 0x000003ff },
10316                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10317                         0x00000000, 0xffffffff },
10318                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10319                         0x00000000, 0x000003ff },
10320                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10321                         0x00000000, 0xffffffff },
10322                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10323                         0x00000000, 0x000000ff },
10324                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10325                         0x00000000, 0xffffffff },
10326                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10327                         0x00000000, 0x000000ff },
10328                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10329                         0x00000000, 0xffffffff },
10330                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10331                         0x00000000, 0xffffffff },
10332                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10333                         0x00000000, 0xffffffff },
10334                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10335                         0x00000000, 0x000000ff },
10336                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10337                         0x00000000, 0xffffffff },
10338                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10339                         0x00000000, 0x000000ff },
10340                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10341                         0x00000000, 0xffffffff },
10342                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10343                         0x00000000, 0xffffffff },
10344                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10345                         0x00000000, 0xffffffff },
10346                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10347                         0x00000000, 0xffffffff },
10348                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10349                         0x00000000, 0xffffffff },
10350                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10351                         0xffffffff, 0x00000000 },
10352                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10353                         0xffffffff, 0x00000000 },
10354
10355                 /* Buffer Manager Control Registers. */
10356                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10357                         0x00000000, 0x007fff80 },
10358                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10359                         0x00000000, 0x007fffff },
10360                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10361                         0x00000000, 0x0000003f },
10362                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10363                         0x00000000, 0x000001ff },
10364                 { BUFMGR_MB_HIGH_WATER, 0x0000,
10365                         0x00000000, 0x000001ff },
10366                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10367                         0xffffffff, 0x00000000 },
10368                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10369                         0xffffffff, 0x00000000 },
10370
10371                 /* Mailbox Registers */
10372                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10373                         0x00000000, 0x000001ff },
10374                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10375                         0x00000000, 0x000001ff },
10376                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10377                         0x00000000, 0x000007ff },
10378                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10379                         0x00000000, 0x000001ff },
10380
10381                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10382         };
10383
10384         is_5705 = is_5750 = 0;
10385         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10386                 is_5705 = 1;
10387                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10388                         is_5750 = 1;
10389         }
10390
10391         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10392                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10393                         continue;
10394
10395                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10396                         continue;
10397
10398                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10399                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
10400                         continue;
10401
10402                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10403                         continue;
10404
10405                 offset = (u32) reg_tbl[i].offset;
10406                 read_mask = reg_tbl[i].read_mask;
10407                 write_mask = reg_tbl[i].write_mask;
10408
10409                 /* Save the original register content */
10410                 save_val = tr32(offset);
10411
10412                 /* Determine the read-only value. */
10413                 read_val = save_val & read_mask;
10414
10415                 /* Write zero to the register, then make sure the read-only bits
10416                  * are not changed and the read/write bits are all zeros.
10417                  */
10418                 tw32(offset, 0);
10419
10420                 val = tr32(offset);
10421
10422                 /* Test the read-only and read/write bits. */
10423                 if (((val & read_mask) != read_val) || (val & write_mask))
10424                         goto out;
10425
10426                 /* Write ones to all the bits defined by RdMask and WrMask, then
10427                  * make sure the read-only bits are not changed and the
10428                  * read/write bits are all ones.
10429                  */
10430                 tw32(offset, read_mask | write_mask);
10431
10432                 val = tr32(offset);
10433
10434                 /* Test the read-only bits. */
10435                 if ((val & read_mask) != read_val)
10436                         goto out;
10437
10438                 /* Test the read/write bits. */
10439                 if ((val & write_mask) != write_mask)
10440                         goto out;
10441
10442                 tw32(offset, save_val);
10443         }
10444
10445         return 0;
10446
10447 out:
10448         if (netif_msg_hw(tp))
10449                 netdev_err(tp->dev,
10450                            "Register test failed at offset %x\n", offset);
10451         tw32(offset, save_val);
10452         return -EIO;
10453 }
10454
10455 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10456 {
10457         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10458         int i;
10459         u32 j;
10460
10461         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10462                 for (j = 0; j < len; j += 4) {
10463                         u32 val;
10464
10465                         tg3_write_mem(tp, offset + j, test_pattern[i]);
10466                         tg3_read_mem(tp, offset + j, &val);
10467                         if (val != test_pattern[i])
10468                                 return -EIO;
10469                 }
10470         }
10471         return 0;
10472 }
10473
10474 static int tg3_test_memory(struct tg3 *tp)
10475 {
10476         static struct mem_entry {
10477                 u32 offset;
10478                 u32 len;
10479         } mem_tbl_570x[] = {
10480                 { 0x00000000, 0x00b50},
10481                 { 0x00002000, 0x1c000},
10482                 { 0xffffffff, 0x00000}
10483         }, mem_tbl_5705[] = {
10484                 { 0x00000100, 0x0000c},
10485                 { 0x00000200, 0x00008},
10486                 { 0x00004000, 0x00800},
10487                 { 0x00006000, 0x01000},
10488                 { 0x00008000, 0x02000},
10489                 { 0x00010000, 0x0e000},
10490                 { 0xffffffff, 0x00000}
10491         }, mem_tbl_5755[] = {
10492                 { 0x00000200, 0x00008},
10493                 { 0x00004000, 0x00800},
10494                 { 0x00006000, 0x00800},
10495                 { 0x00008000, 0x02000},
10496                 { 0x00010000, 0x0c000},
10497                 { 0xffffffff, 0x00000}
10498         }, mem_tbl_5906[] = {
10499                 { 0x00000200, 0x00008},
10500                 { 0x00004000, 0x00400},
10501                 { 0x00006000, 0x00400},
10502                 { 0x00008000, 0x01000},
10503                 { 0x00010000, 0x01000},
10504                 { 0xffffffff, 0x00000}
10505         }, mem_tbl_5717[] = {
10506                 { 0x00000200, 0x00008},
10507                 { 0x00010000, 0x0a000},
10508                 { 0x00020000, 0x13c00},
10509                 { 0xffffffff, 0x00000}
10510         }, mem_tbl_57765[] = {
10511                 { 0x00000200, 0x00008},
10512                 { 0x00004000, 0x00800},
10513                 { 0x00006000, 0x09800},
10514                 { 0x00010000, 0x0a000},
10515                 { 0xffffffff, 0x00000}
10516         };
10517         struct mem_entry *mem_tbl;
10518         int err = 0;
10519         int i;
10520
10521         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
10522                 mem_tbl = mem_tbl_5717;
10523         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10524                 mem_tbl = mem_tbl_57765;
10525         else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10526                 mem_tbl = mem_tbl_5755;
10527         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10528                 mem_tbl = mem_tbl_5906;
10529         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10530                 mem_tbl = mem_tbl_5705;
10531         else
10532                 mem_tbl = mem_tbl_570x;
10533
10534         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10535                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10536                     mem_tbl[i].len)) != 0)
10537                         break;
10538         }
10539
10540         return err;
10541 }
10542
10543 #define TG3_MAC_LOOPBACK        0
10544 #define TG3_PHY_LOOPBACK        1
10545
10546 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10547 {
10548         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10549         u32 desc_idx, coal_now;
10550         struct sk_buff *skb, *rx_skb;
10551         u8 *tx_data;
10552         dma_addr_t map;
10553         int num_pkts, tx_len, rx_len, i, err;
10554         struct tg3_rx_buffer_desc *desc;
10555         struct tg3_napi *tnapi, *rnapi;
10556         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10557
10558         tnapi = &tp->napi[0];
10559         rnapi = &tp->napi[0];
10560         if (tp->irq_cnt > 1) {
10561                 rnapi = &tp->napi[1];
10562                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
10563                         tnapi = &tp->napi[1];
10564         }
10565         coal_now = tnapi->coal_now | rnapi->coal_now;
10566
10567         if (loopback_mode == TG3_MAC_LOOPBACK) {
10568                 /* HW errata - mac loopback fails in some cases on 5780.
10569                  * Normal traffic and PHY loopback are not affected by
10570                  * errata.
10571                  */
10572                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10573                         return 0;
10574
10575                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10576                            MAC_MODE_PORT_INT_LPBACK;
10577                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10578                         mac_mode |= MAC_MODE_LINK_POLARITY;
10579                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10580                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10581                 else
10582                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10583                 tw32(MAC_MODE, mac_mode);
10584         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10585                 u32 val;
10586
10587                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10588                         tg3_phy_fet_toggle_apd(tp, false);
10589                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10590                 } else
10591                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10592
10593                 tg3_phy_toggle_automdix(tp, 0);
10594
10595                 tg3_writephy(tp, MII_BMCR, val);
10596                 udelay(40);
10597
10598                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10599                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10600                         tg3_writephy(tp, MII_TG3_FET_PTEST,
10601                                      MII_TG3_FET_PTEST_FRC_TX_LINK |
10602                                      MII_TG3_FET_PTEST_FRC_TX_LOCK);
10603                         /* The write needs to be flushed for the AC131 */
10604                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10605                                 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
10606                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10607                 } else
10608                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10609
10610                 /* reset to prevent losing 1st rx packet intermittently */
10611                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10612                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10613                         udelay(10);
10614                         tw32_f(MAC_RX_MODE, tp->rx_mode);
10615                 }
10616                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10617                         u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
10618                         if (masked_phy_id == TG3_PHY_ID_BCM5401)
10619                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10620                         else if (masked_phy_id == TG3_PHY_ID_BCM5411)
10621                                 mac_mode |= MAC_MODE_LINK_POLARITY;
10622                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
10623                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10624                 }
10625                 tw32(MAC_MODE, mac_mode);
10626         } else {
10627                 return -EINVAL;
10628         }
10629
10630         err = -EIO;
10631
10632         tx_len = 1514;
10633         skb = netdev_alloc_skb(tp->dev, tx_len);
10634         if (!skb)
10635                 return -ENOMEM;
10636
10637         tx_data = skb_put(skb, tx_len);
10638         memcpy(tx_data, tp->dev->dev_addr, 6);
10639         memset(tx_data + 6, 0x0, 8);
10640
10641         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10642
10643         for (i = 14; i < tx_len; i++)
10644                 tx_data[i] = (u8) (i & 0xff);
10645
10646         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10647         if (pci_dma_mapping_error(tp->pdev, map)) {
10648                 dev_kfree_skb(skb);
10649                 return -EIO;
10650         }
10651
10652         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10653                rnapi->coal_now);
10654
10655         udelay(10);
10656
10657         rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10658
10659         num_pkts = 0;
10660
10661         tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10662
10663         tnapi->tx_prod++;
10664         num_pkts++;
10665
10666         tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10667         tr32_mailbox(tnapi->prodmbox);
10668
10669         udelay(10);
10670
10671         /* 350 usec to allow enough time on some 10/100 Mbps devices.  */
10672         for (i = 0; i < 35; i++) {
10673                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10674                        coal_now);
10675
10676                 udelay(10);
10677
10678                 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10679                 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10680                 if ((tx_idx == tnapi->tx_prod) &&
10681                     (rx_idx == (rx_start_idx + num_pkts)))
10682                         break;
10683         }
10684
10685         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10686         dev_kfree_skb(skb);
10687
10688         if (tx_idx != tnapi->tx_prod)
10689                 goto out;
10690
10691         if (rx_idx != rx_start_idx + num_pkts)
10692                 goto out;
10693
10694         desc = &rnapi->rx_rcb[rx_start_idx];
10695         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10696         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10697         if (opaque_key != RXD_OPAQUE_RING_STD)
10698                 goto out;
10699
10700         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10701             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10702                 goto out;
10703
10704         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10705         if (rx_len != tx_len)
10706                 goto out;
10707
10708         rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10709
10710         map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10711         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10712
10713         for (i = 14; i < tx_len; i++) {
10714                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10715                         goto out;
10716         }
10717         err = 0;
10718
10719         /* tg3_free_rings will unmap and free the rx_skb */
10720 out:
10721         return err;
10722 }
10723
10724 #define TG3_MAC_LOOPBACK_FAILED         1
10725 #define TG3_PHY_LOOPBACK_FAILED         2
10726 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
10727                                          TG3_PHY_LOOPBACK_FAILED)
10728
10729 static int tg3_test_loopback(struct tg3 *tp)
10730 {
10731         int err = 0;
10732         u32 cpmuctrl = 0;
10733
10734         if (!netif_running(tp->dev))
10735                 return TG3_LOOPBACK_FAILED;
10736
10737         err = tg3_reset_hw(tp, 1);
10738         if (err)
10739                 return TG3_LOOPBACK_FAILED;
10740
10741         /* Turn off gphy autopowerdown. */
10742         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10743                 tg3_phy_toggle_apd(tp, false);
10744
10745         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10746                 int i;
10747                 u32 status;
10748
10749                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10750
10751                 /* Wait for up to 40 microseconds to acquire lock. */
10752                 for (i = 0; i < 4; i++) {
10753                         status = tr32(TG3_CPMU_MUTEX_GNT);
10754                         if (status == CPMU_MUTEX_GNT_DRIVER)
10755                                 break;
10756                         udelay(10);
10757                 }
10758
10759                 if (status != CPMU_MUTEX_GNT_DRIVER)
10760                         return TG3_LOOPBACK_FAILED;
10761
10762                 /* Turn off link-based power management. */
10763                 cpmuctrl = tr32(TG3_CPMU_CTRL);
10764                 tw32(TG3_CPMU_CTRL,
10765                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10766                                   CPMU_CTRL_LINK_AWARE_MODE));
10767         }
10768
10769         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10770                 err |= TG3_MAC_LOOPBACK_FAILED;
10771
10772         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10773                 tw32(TG3_CPMU_CTRL, cpmuctrl);
10774
10775                 /* Release the mutex */
10776                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10777         }
10778
10779         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10780             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
10781                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10782                         err |= TG3_PHY_LOOPBACK_FAILED;
10783         }
10784
10785         /* Re-enable gphy autopowerdown. */
10786         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10787                 tg3_phy_toggle_apd(tp, true);
10788
10789         return err;
10790 }
10791
10792 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10793                           u64 *data)
10794 {
10795         struct tg3 *tp = netdev_priv(dev);
10796
10797         if (tp->link_config.phy_is_low_power)
10798                 tg3_set_power_state(tp, PCI_D0);
10799
10800         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10801
10802         if (tg3_test_nvram(tp) != 0) {
10803                 etest->flags |= ETH_TEST_FL_FAILED;
10804                 data[0] = 1;
10805         }
10806         if (tg3_test_link(tp) != 0) {
10807                 etest->flags |= ETH_TEST_FL_FAILED;
10808                 data[1] = 1;
10809         }
10810         if (etest->flags & ETH_TEST_FL_OFFLINE) {
10811                 int err, err2 = 0, irq_sync = 0;
10812
10813                 if (netif_running(dev)) {
10814                         tg3_phy_stop(tp);
10815                         tg3_netif_stop(tp);
10816                         irq_sync = 1;
10817                 }
10818
10819                 tg3_full_lock(tp, irq_sync);
10820
10821                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
10822                 err = tg3_nvram_lock(tp);
10823                 tg3_halt_cpu(tp, RX_CPU_BASE);
10824                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10825                         tg3_halt_cpu(tp, TX_CPU_BASE);
10826                 if (!err)
10827                         tg3_nvram_unlock(tp);
10828
10829                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
10830                         tg3_phy_reset(tp);
10831
10832                 if (tg3_test_registers(tp) != 0) {
10833                         etest->flags |= ETH_TEST_FL_FAILED;
10834                         data[2] = 1;
10835                 }
10836                 if (tg3_test_memory(tp) != 0) {
10837                         etest->flags |= ETH_TEST_FL_FAILED;
10838                         data[3] = 1;
10839                 }
10840                 if ((data[4] = tg3_test_loopback(tp)) != 0)
10841                         etest->flags |= ETH_TEST_FL_FAILED;
10842
10843                 tg3_full_unlock(tp);
10844
10845                 if (tg3_test_interrupt(tp) != 0) {
10846                         etest->flags |= ETH_TEST_FL_FAILED;
10847                         data[5] = 1;
10848                 }
10849
10850                 tg3_full_lock(tp, 0);
10851
10852                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10853                 if (netif_running(dev)) {
10854                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
10855                         err2 = tg3_restart_hw(tp, 1);
10856                         if (!err2)
10857                                 tg3_netif_start(tp);
10858                 }
10859
10860                 tg3_full_unlock(tp);
10861
10862                 if (irq_sync && !err2)
10863                         tg3_phy_start(tp);
10864         }
10865         if (tp->link_config.phy_is_low_power)
10866                 tg3_set_power_state(tp, PCI_D3hot);
10867
10868 }
10869
10870 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10871 {
10872         struct mii_ioctl_data *data = if_mii(ifr);
10873         struct tg3 *tp = netdev_priv(dev);
10874         int err;
10875
10876         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10877                 struct phy_device *phydev;
10878                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10879                         return -EAGAIN;
10880                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10881                 return phy_mii_ioctl(phydev, data, cmd);
10882         }
10883
10884         switch (cmd) {
10885         case SIOCGMIIPHY:
10886                 data->phy_id = tp->phy_addr;
10887
10888                 /* fallthru */
10889         case SIOCGMIIREG: {
10890                 u32 mii_regval;
10891
10892                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10893                         break;                  /* We have no PHY */
10894
10895                 if (tp->link_config.phy_is_low_power)
10896                         return -EAGAIN;
10897
10898                 spin_lock_bh(&tp->lock);
10899                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
10900                 spin_unlock_bh(&tp->lock);
10901
10902                 data->val_out = mii_regval;
10903
10904                 return err;
10905         }
10906
10907         case SIOCSMIIREG:
10908                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10909                         break;                  /* We have no PHY */
10910
10911                 if (tp->link_config.phy_is_low_power)
10912                         return -EAGAIN;
10913
10914                 spin_lock_bh(&tp->lock);
10915                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10916                 spin_unlock_bh(&tp->lock);
10917
10918                 return err;
10919
10920         default:
10921                 /* do nothing */
10922                 break;
10923         }
10924         return -EOPNOTSUPP;
10925 }
10926
10927 #if TG3_VLAN_TAG_USED
10928 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10929 {
10930         struct tg3 *tp = netdev_priv(dev);
10931
10932         if (!netif_running(dev)) {
10933                 tp->vlgrp = grp;
10934                 return;
10935         }
10936
10937         tg3_netif_stop(tp);
10938
10939         tg3_full_lock(tp, 0);
10940
10941         tp->vlgrp = grp;
10942
10943         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10944         __tg3_set_rx_mode(dev);
10945
10946         tg3_netif_start(tp);
10947
10948         tg3_full_unlock(tp);
10949 }
10950 #endif
10951
10952 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10953 {
10954         struct tg3 *tp = netdev_priv(dev);
10955
10956         memcpy(ec, &tp->coal, sizeof(*ec));
10957         return 0;
10958 }
10959
10960 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10961 {
10962         struct tg3 *tp = netdev_priv(dev);
10963         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10964         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10965
10966         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10967                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10968                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10969                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10970                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10971         }
10972
10973         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10974             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10975             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10976             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10977             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10978             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10979             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10980             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10981             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10982             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10983                 return -EINVAL;
10984
10985         /* No rx interrupts will be generated if both are zero */
10986         if ((ec->rx_coalesce_usecs == 0) &&
10987             (ec->rx_max_coalesced_frames == 0))
10988                 return -EINVAL;
10989
10990         /* No tx interrupts will be generated if both are zero */
10991         if ((ec->tx_coalesce_usecs == 0) &&
10992             (ec->tx_max_coalesced_frames == 0))
10993                 return -EINVAL;
10994
10995         /* Only copy relevant parameters, ignore all others. */
10996         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10997         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10998         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10999         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11000         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11001         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11002         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11003         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11004         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11005
11006         if (netif_running(dev)) {
11007                 tg3_full_lock(tp, 0);
11008                 __tg3_set_coalesce(tp, &tp->coal);
11009                 tg3_full_unlock(tp);
11010         }
11011         return 0;
11012 }
11013
11014 static const struct ethtool_ops tg3_ethtool_ops = {
11015         .get_settings           = tg3_get_settings,
11016         .set_settings           = tg3_set_settings,
11017         .get_drvinfo            = tg3_get_drvinfo,
11018         .get_regs_len           = tg3_get_regs_len,
11019         .get_regs               = tg3_get_regs,
11020         .get_wol                = tg3_get_wol,
11021         .set_wol                = tg3_set_wol,
11022         .get_msglevel           = tg3_get_msglevel,
11023         .set_msglevel           = tg3_set_msglevel,
11024         .nway_reset             = tg3_nway_reset,
11025         .get_link               = ethtool_op_get_link,
11026         .get_eeprom_len         = tg3_get_eeprom_len,
11027         .get_eeprom             = tg3_get_eeprom,
11028         .set_eeprom             = tg3_set_eeprom,
11029         .get_ringparam          = tg3_get_ringparam,
11030         .set_ringparam          = tg3_set_ringparam,
11031         .get_pauseparam         = tg3_get_pauseparam,
11032         .set_pauseparam         = tg3_set_pauseparam,
11033         .get_rx_csum            = tg3_get_rx_csum,
11034         .set_rx_csum            = tg3_set_rx_csum,
11035         .set_tx_csum            = tg3_set_tx_csum,
11036         .set_sg                 = ethtool_op_set_sg,
11037         .set_tso                = tg3_set_tso,
11038         .self_test              = tg3_self_test,
11039         .get_strings            = tg3_get_strings,
11040         .phys_id                = tg3_phys_id,
11041         .get_ethtool_stats      = tg3_get_ethtool_stats,
11042         .get_coalesce           = tg3_get_coalesce,
11043         .set_coalesce           = tg3_set_coalesce,
11044         .get_sset_count         = tg3_get_sset_count,
11045 };
11046
11047 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11048 {
11049         u32 cursize, val, magic;
11050
11051         tp->nvram_size = EEPROM_CHIP_SIZE;
11052
11053         if (tg3_nvram_read(tp, 0, &magic) != 0)
11054                 return;
11055
11056         if ((magic != TG3_EEPROM_MAGIC) &&
11057             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11058             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11059                 return;
11060
11061         /*
11062          * Size the chip by reading offsets at increasing powers of two.
11063          * When we encounter our validation signature, we know the addressing
11064          * has wrapped around, and thus have our chip size.
11065          */
11066         cursize = 0x10;
11067
11068         while (cursize < tp->nvram_size) {
11069                 if (tg3_nvram_read(tp, cursize, &val) != 0)
11070                         return;
11071
11072                 if (val == magic)
11073                         break;
11074
11075                 cursize <<= 1;
11076         }
11077
11078         tp->nvram_size = cursize;
11079 }
11080
11081 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11082 {
11083         u32 val;
11084
11085         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11086             tg3_nvram_read(tp, 0, &val) != 0)
11087                 return;
11088
11089         /* Selfboot format */
11090         if (val != TG3_EEPROM_MAGIC) {
11091                 tg3_get_eeprom_size(tp);
11092                 return;
11093         }
11094
11095         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11096                 if (val != 0) {
11097                         /* This is confusing.  We want to operate on the
11098                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
11099                          * call will read from NVRAM and byteswap the data
11100                          * according to the byteswapping settings for all
11101                          * other register accesses.  This ensures the data we
11102                          * want will always reside in the lower 16-bits.
11103                          * However, the data in NVRAM is in LE format, which
11104                          * means the data from the NVRAM read will always be
11105                          * opposite the endianness of the CPU.  The 16-bit
11106                          * byteswap then brings the data to CPU endianness.
11107                          */
11108                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11109                         return;
11110                 }
11111         }
11112         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11113 }
11114
11115 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11116 {
11117         u32 nvcfg1;
11118
11119         nvcfg1 = tr32(NVRAM_CFG1);
11120         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11121                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11122         } else {
11123                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11124                 tw32(NVRAM_CFG1, nvcfg1);
11125         }
11126
11127         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11128             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11129                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11130                 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11131                         tp->nvram_jedecnum = JEDEC_ATMEL;
11132                         tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11133                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11134                         break;
11135                 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11136                         tp->nvram_jedecnum = JEDEC_ATMEL;
11137                         tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11138                         break;
11139                 case FLASH_VENDOR_ATMEL_EEPROM:
11140                         tp->nvram_jedecnum = JEDEC_ATMEL;
11141                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11142                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11143                         break;
11144                 case FLASH_VENDOR_ST:
11145                         tp->nvram_jedecnum = JEDEC_ST;
11146                         tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11147                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11148                         break;
11149                 case FLASH_VENDOR_SAIFUN:
11150                         tp->nvram_jedecnum = JEDEC_SAIFUN;
11151                         tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11152                         break;
11153                 case FLASH_VENDOR_SST_SMALL:
11154                 case FLASH_VENDOR_SST_LARGE:
11155                         tp->nvram_jedecnum = JEDEC_SST;
11156                         tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11157                         break;
11158                 }
11159         } else {
11160                 tp->nvram_jedecnum = JEDEC_ATMEL;
11161                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11162                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11163         }
11164 }
11165
11166 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11167 {
11168         switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11169         case FLASH_5752PAGE_SIZE_256:
11170                 tp->nvram_pagesize = 256;
11171                 break;
11172         case FLASH_5752PAGE_SIZE_512:
11173                 tp->nvram_pagesize = 512;
11174                 break;
11175         case FLASH_5752PAGE_SIZE_1K:
11176                 tp->nvram_pagesize = 1024;
11177                 break;
11178         case FLASH_5752PAGE_SIZE_2K:
11179                 tp->nvram_pagesize = 2048;
11180                 break;
11181         case FLASH_5752PAGE_SIZE_4K:
11182                 tp->nvram_pagesize = 4096;
11183                 break;
11184         case FLASH_5752PAGE_SIZE_264:
11185                 tp->nvram_pagesize = 264;
11186                 break;
11187         case FLASH_5752PAGE_SIZE_528:
11188                 tp->nvram_pagesize = 528;
11189                 break;
11190         }
11191 }
11192
11193 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11194 {
11195         u32 nvcfg1;
11196
11197         nvcfg1 = tr32(NVRAM_CFG1);
11198
11199         /* NVRAM protection for TPM */
11200         if (nvcfg1 & (1 << 27))
11201                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11202
11203         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11204         case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11205         case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11206                 tp->nvram_jedecnum = JEDEC_ATMEL;
11207                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11208                 break;
11209         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11210                 tp->nvram_jedecnum = JEDEC_ATMEL;
11211                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11212                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11213                 break;
11214         case FLASH_5752VENDOR_ST_M45PE10:
11215         case FLASH_5752VENDOR_ST_M45PE20:
11216         case FLASH_5752VENDOR_ST_M45PE40:
11217                 tp->nvram_jedecnum = JEDEC_ST;
11218                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11219                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11220                 break;
11221         }
11222
11223         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11224                 tg3_nvram_get_pagesize(tp, nvcfg1);
11225         } else {
11226                 /* For eeprom, set pagesize to maximum eeprom size */
11227                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11228
11229                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11230                 tw32(NVRAM_CFG1, nvcfg1);
11231         }
11232 }
11233
11234 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11235 {
11236         u32 nvcfg1, protect = 0;
11237
11238         nvcfg1 = tr32(NVRAM_CFG1);
11239
11240         /* NVRAM protection for TPM */
11241         if (nvcfg1 & (1 << 27)) {
11242                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11243                 protect = 1;
11244         }
11245
11246         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11247         switch (nvcfg1) {
11248         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11249         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11250         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11251         case FLASH_5755VENDOR_ATMEL_FLASH_5:
11252                 tp->nvram_jedecnum = JEDEC_ATMEL;
11253                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11254                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11255                 tp->nvram_pagesize = 264;
11256                 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11257                     nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11258                         tp->nvram_size = (protect ? 0x3e200 :
11259                                           TG3_NVRAM_SIZE_512KB);
11260                 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11261                         tp->nvram_size = (protect ? 0x1f200 :
11262                                           TG3_NVRAM_SIZE_256KB);
11263                 else
11264                         tp->nvram_size = (protect ? 0x1f200 :
11265                                           TG3_NVRAM_SIZE_128KB);
11266                 break;
11267         case FLASH_5752VENDOR_ST_M45PE10:
11268         case FLASH_5752VENDOR_ST_M45PE20:
11269         case FLASH_5752VENDOR_ST_M45PE40:
11270                 tp->nvram_jedecnum = JEDEC_ST;
11271                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11272                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11273                 tp->nvram_pagesize = 256;
11274                 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11275                         tp->nvram_size = (protect ?
11276                                           TG3_NVRAM_SIZE_64KB :
11277                                           TG3_NVRAM_SIZE_128KB);
11278                 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11279                         tp->nvram_size = (protect ?
11280                                           TG3_NVRAM_SIZE_64KB :
11281                                           TG3_NVRAM_SIZE_256KB);
11282                 else
11283                         tp->nvram_size = (protect ?
11284                                           TG3_NVRAM_SIZE_128KB :
11285                                           TG3_NVRAM_SIZE_512KB);
11286                 break;
11287         }
11288 }
11289
11290 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11291 {
11292         u32 nvcfg1;
11293
11294         nvcfg1 = tr32(NVRAM_CFG1);
11295
11296         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11297         case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11298         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11299         case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11300         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11301                 tp->nvram_jedecnum = JEDEC_ATMEL;
11302                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11303                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11304
11305                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11306                 tw32(NVRAM_CFG1, nvcfg1);
11307                 break;
11308         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11309         case FLASH_5755VENDOR_ATMEL_FLASH_1:
11310         case FLASH_5755VENDOR_ATMEL_FLASH_2:
11311         case FLASH_5755VENDOR_ATMEL_FLASH_3:
11312                 tp->nvram_jedecnum = JEDEC_ATMEL;
11313                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11314                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11315                 tp->nvram_pagesize = 264;
11316                 break;
11317         case FLASH_5752VENDOR_ST_M45PE10:
11318         case FLASH_5752VENDOR_ST_M45PE20:
11319         case FLASH_5752VENDOR_ST_M45PE40:
11320                 tp->nvram_jedecnum = JEDEC_ST;
11321                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11322                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11323                 tp->nvram_pagesize = 256;
11324                 break;
11325         }
11326 }
11327
11328 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11329 {
11330         u32 nvcfg1, protect = 0;
11331
11332         nvcfg1 = tr32(NVRAM_CFG1);
11333
11334         /* NVRAM protection for TPM */
11335         if (nvcfg1 & (1 << 27)) {
11336                 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11337                 protect = 1;
11338         }
11339
11340         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11341         switch (nvcfg1) {
11342         case FLASH_5761VENDOR_ATMEL_ADB021D:
11343         case FLASH_5761VENDOR_ATMEL_ADB041D:
11344         case FLASH_5761VENDOR_ATMEL_ADB081D:
11345         case FLASH_5761VENDOR_ATMEL_ADB161D:
11346         case FLASH_5761VENDOR_ATMEL_MDB021D:
11347         case FLASH_5761VENDOR_ATMEL_MDB041D:
11348         case FLASH_5761VENDOR_ATMEL_MDB081D:
11349         case FLASH_5761VENDOR_ATMEL_MDB161D:
11350                 tp->nvram_jedecnum = JEDEC_ATMEL;
11351                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11352                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11353                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11354                 tp->nvram_pagesize = 256;
11355                 break;
11356         case FLASH_5761VENDOR_ST_A_M45PE20:
11357         case FLASH_5761VENDOR_ST_A_M45PE40:
11358         case FLASH_5761VENDOR_ST_A_M45PE80:
11359         case FLASH_5761VENDOR_ST_A_M45PE16:
11360         case FLASH_5761VENDOR_ST_M_M45PE20:
11361         case FLASH_5761VENDOR_ST_M_M45PE40:
11362         case FLASH_5761VENDOR_ST_M_M45PE80:
11363         case FLASH_5761VENDOR_ST_M_M45PE16:
11364                 tp->nvram_jedecnum = JEDEC_ST;
11365                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11366                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11367                 tp->nvram_pagesize = 256;
11368                 break;
11369         }
11370
11371         if (protect) {
11372                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11373         } else {
11374                 switch (nvcfg1) {
11375                 case FLASH_5761VENDOR_ATMEL_ADB161D:
11376                 case FLASH_5761VENDOR_ATMEL_MDB161D:
11377                 case FLASH_5761VENDOR_ST_A_M45PE16:
11378                 case FLASH_5761VENDOR_ST_M_M45PE16:
11379                         tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11380                         break;
11381                 case FLASH_5761VENDOR_ATMEL_ADB081D:
11382                 case FLASH_5761VENDOR_ATMEL_MDB081D:
11383                 case FLASH_5761VENDOR_ST_A_M45PE80:
11384                 case FLASH_5761VENDOR_ST_M_M45PE80:
11385                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11386                         break;
11387                 case FLASH_5761VENDOR_ATMEL_ADB041D:
11388                 case FLASH_5761VENDOR_ATMEL_MDB041D:
11389                 case FLASH_5761VENDOR_ST_A_M45PE40:
11390                 case FLASH_5761VENDOR_ST_M_M45PE40:
11391                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11392                         break;
11393                 case FLASH_5761VENDOR_ATMEL_ADB021D:
11394                 case FLASH_5761VENDOR_ATMEL_MDB021D:
11395                 case FLASH_5761VENDOR_ST_A_M45PE20:
11396                 case FLASH_5761VENDOR_ST_M_M45PE20:
11397                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11398                         break;
11399                 }
11400         }
11401 }
11402
11403 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11404 {
11405         tp->nvram_jedecnum = JEDEC_ATMEL;
11406         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11407         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11408 }
11409
11410 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11411 {
11412         u32 nvcfg1;
11413
11414         nvcfg1 = tr32(NVRAM_CFG1);
11415
11416         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11417         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11418         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11419                 tp->nvram_jedecnum = JEDEC_ATMEL;
11420                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11421                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11422
11423                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11424                 tw32(NVRAM_CFG1, nvcfg1);
11425                 return;
11426         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11427         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11428         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11429         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11430         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11431         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11432         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11433                 tp->nvram_jedecnum = JEDEC_ATMEL;
11434                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11435                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11436
11437                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11438                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11439                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11440                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11441                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11442                         break;
11443                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11444                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11445                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11446                         break;
11447                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11448                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11449                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11450                         break;
11451                 }
11452                 break;
11453         case FLASH_5752VENDOR_ST_M45PE10:
11454         case FLASH_5752VENDOR_ST_M45PE20:
11455         case FLASH_5752VENDOR_ST_M45PE40:
11456                 tp->nvram_jedecnum = JEDEC_ST;
11457                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11458                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11459
11460                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11461                 case FLASH_5752VENDOR_ST_M45PE10:
11462                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11463                         break;
11464                 case FLASH_5752VENDOR_ST_M45PE20:
11465                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11466                         break;
11467                 case FLASH_5752VENDOR_ST_M45PE40:
11468                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11469                         break;
11470                 }
11471                 break;
11472         default:
11473                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11474                 return;
11475         }
11476
11477         tg3_nvram_get_pagesize(tp, nvcfg1);
11478         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11479                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11480 }
11481
11482
11483 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11484 {
11485         u32 nvcfg1;
11486
11487         nvcfg1 = tr32(NVRAM_CFG1);
11488
11489         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11490         case FLASH_5717VENDOR_ATMEL_EEPROM:
11491         case FLASH_5717VENDOR_MICRO_EEPROM:
11492                 tp->nvram_jedecnum = JEDEC_ATMEL;
11493                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11494                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11495
11496                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11497                 tw32(NVRAM_CFG1, nvcfg1);
11498                 return;
11499         case FLASH_5717VENDOR_ATMEL_MDB011D:
11500         case FLASH_5717VENDOR_ATMEL_ADB011B:
11501         case FLASH_5717VENDOR_ATMEL_ADB011D:
11502         case FLASH_5717VENDOR_ATMEL_MDB021D:
11503         case FLASH_5717VENDOR_ATMEL_ADB021B:
11504         case FLASH_5717VENDOR_ATMEL_ADB021D:
11505         case FLASH_5717VENDOR_ATMEL_45USPT:
11506                 tp->nvram_jedecnum = JEDEC_ATMEL;
11507                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11508                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11509
11510                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11511                 case FLASH_5717VENDOR_ATMEL_MDB021D:
11512                 case FLASH_5717VENDOR_ATMEL_ADB021B:
11513                 case FLASH_5717VENDOR_ATMEL_ADB021D:
11514                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11515                         break;
11516                 default:
11517                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11518                         break;
11519                 }
11520                 break;
11521         case FLASH_5717VENDOR_ST_M_M25PE10:
11522         case FLASH_5717VENDOR_ST_A_M25PE10:
11523         case FLASH_5717VENDOR_ST_M_M45PE10:
11524         case FLASH_5717VENDOR_ST_A_M45PE10:
11525         case FLASH_5717VENDOR_ST_M_M25PE20:
11526         case FLASH_5717VENDOR_ST_A_M25PE20:
11527         case FLASH_5717VENDOR_ST_M_M45PE20:
11528         case FLASH_5717VENDOR_ST_A_M45PE20:
11529         case FLASH_5717VENDOR_ST_25USPT:
11530         case FLASH_5717VENDOR_ST_45USPT:
11531                 tp->nvram_jedecnum = JEDEC_ST;
11532                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11533                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11534
11535                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11536                 case FLASH_5717VENDOR_ST_M_M25PE20:
11537                 case FLASH_5717VENDOR_ST_A_M25PE20:
11538                 case FLASH_5717VENDOR_ST_M_M45PE20:
11539                 case FLASH_5717VENDOR_ST_A_M45PE20:
11540                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11541                         break;
11542                 default:
11543                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11544                         break;
11545                 }
11546                 break;
11547         default:
11548                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11549                 return;
11550         }
11551
11552         tg3_nvram_get_pagesize(tp, nvcfg1);
11553         if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11554                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11555 }
11556
11557 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11558 static void __devinit tg3_nvram_init(struct tg3 *tp)
11559 {
11560         tw32_f(GRC_EEPROM_ADDR,
11561              (EEPROM_ADDR_FSM_RESET |
11562               (EEPROM_DEFAULT_CLOCK_PERIOD <<
11563                EEPROM_ADDR_CLKPERD_SHIFT)));
11564
11565         msleep(1);
11566
11567         /* Enable seeprom accesses. */
11568         tw32_f(GRC_LOCAL_CTRL,
11569              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11570         udelay(100);
11571
11572         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11573             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11574                 tp->tg3_flags |= TG3_FLAG_NVRAM;
11575
11576                 if (tg3_nvram_lock(tp)) {
11577                         netdev_warn(tp->dev,
11578                                     "Cannot get nvram lock, %s failed\n",
11579                                     __func__);
11580                         return;
11581                 }
11582                 tg3_enable_nvram_access(tp);
11583
11584                 tp->nvram_size = 0;
11585
11586                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11587                         tg3_get_5752_nvram_info(tp);
11588                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11589                         tg3_get_5755_nvram_info(tp);
11590                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11591                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11592                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11593                         tg3_get_5787_nvram_info(tp);
11594                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11595                         tg3_get_5761_nvram_info(tp);
11596                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11597                         tg3_get_5906_nvram_info(tp);
11598                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11599                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11600                         tg3_get_57780_nvram_info(tp);
11601                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11602                         tg3_get_5717_nvram_info(tp);
11603                 else
11604                         tg3_get_nvram_info(tp);
11605
11606                 if (tp->nvram_size == 0)
11607                         tg3_get_nvram_size(tp);
11608
11609                 tg3_disable_nvram_access(tp);
11610                 tg3_nvram_unlock(tp);
11611
11612         } else {
11613                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11614
11615                 tg3_get_eeprom_size(tp);
11616         }
11617 }
11618
11619 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11620                                     u32 offset, u32 len, u8 *buf)
11621 {
11622         int i, j, rc = 0;
11623         u32 val;
11624
11625         for (i = 0; i < len; i += 4) {
11626                 u32 addr;
11627                 __be32 data;
11628
11629                 addr = offset + i;
11630
11631                 memcpy(&data, buf + i, 4);
11632
11633                 /*
11634                  * The SEEPROM interface expects the data to always be opposite
11635                  * the native endian format.  We accomplish this by reversing
11636                  * all the operations that would have been performed on the
11637                  * data from a call to tg3_nvram_read_be32().
11638                  */
11639                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11640
11641                 val = tr32(GRC_EEPROM_ADDR);
11642                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11643
11644                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11645                         EEPROM_ADDR_READ);
11646                 tw32(GRC_EEPROM_ADDR, val |
11647                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
11648                         (addr & EEPROM_ADDR_ADDR_MASK) |
11649                         EEPROM_ADDR_START |
11650                         EEPROM_ADDR_WRITE);
11651
11652                 for (j = 0; j < 1000; j++) {
11653                         val = tr32(GRC_EEPROM_ADDR);
11654
11655                         if (val & EEPROM_ADDR_COMPLETE)
11656                                 break;
11657                         msleep(1);
11658                 }
11659                 if (!(val & EEPROM_ADDR_COMPLETE)) {
11660                         rc = -EBUSY;
11661                         break;
11662                 }
11663         }
11664
11665         return rc;
11666 }
11667
11668 /* offset and length are dword aligned */
11669 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11670                 u8 *buf)
11671 {
11672         int ret = 0;
11673         u32 pagesize = tp->nvram_pagesize;
11674         u32 pagemask = pagesize - 1;
11675         u32 nvram_cmd;
11676         u8 *tmp;
11677
11678         tmp = kmalloc(pagesize, GFP_KERNEL);
11679         if (tmp == NULL)
11680                 return -ENOMEM;
11681
11682         while (len) {
11683                 int j;
11684                 u32 phy_addr, page_off, size;
11685
11686                 phy_addr = offset & ~pagemask;
11687
11688                 for (j = 0; j < pagesize; j += 4) {
11689                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
11690                                                   (__be32 *) (tmp + j));
11691                         if (ret)
11692                                 break;
11693                 }
11694                 if (ret)
11695                         break;
11696
11697                 page_off = offset & pagemask;
11698                 size = pagesize;
11699                 if (len < size)
11700                         size = len;
11701
11702                 len -= size;
11703
11704                 memcpy(tmp + page_off, buf, size);
11705
11706                 offset = offset + (pagesize - page_off);
11707
11708                 tg3_enable_nvram_access(tp);
11709
11710                 /*
11711                  * Before we can erase the flash page, we need
11712                  * to issue a special "write enable" command.
11713                  */
11714                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11715
11716                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11717                         break;
11718
11719                 /* Erase the target page */
11720                 tw32(NVRAM_ADDR, phy_addr);
11721
11722                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11723                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11724
11725                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11726                         break;
11727
11728                 /* Issue another write enable to start the write. */
11729                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11730
11731                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11732                         break;
11733
11734                 for (j = 0; j < pagesize; j += 4) {
11735                         __be32 data;
11736
11737                         data = *((__be32 *) (tmp + j));
11738
11739                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
11740
11741                         tw32(NVRAM_ADDR, phy_addr + j);
11742
11743                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11744                                 NVRAM_CMD_WR;
11745
11746                         if (j == 0)
11747                                 nvram_cmd |= NVRAM_CMD_FIRST;
11748                         else if (j == (pagesize - 4))
11749                                 nvram_cmd |= NVRAM_CMD_LAST;
11750
11751                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11752                                 break;
11753                 }
11754                 if (ret)
11755                         break;
11756         }
11757
11758         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11759         tg3_nvram_exec_cmd(tp, nvram_cmd);
11760
11761         kfree(tmp);
11762
11763         return ret;
11764 }
11765
11766 /* offset and length are dword aligned */
11767 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11768                 u8 *buf)
11769 {
11770         int i, ret = 0;
11771
11772         for (i = 0; i < len; i += 4, offset += 4) {
11773                 u32 page_off, phy_addr, nvram_cmd;
11774                 __be32 data;
11775
11776                 memcpy(&data, buf + i, 4);
11777                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11778
11779                 page_off = offset % tp->nvram_pagesize;
11780
11781                 phy_addr = tg3_nvram_phys_addr(tp, offset);
11782
11783                 tw32(NVRAM_ADDR, phy_addr);
11784
11785                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11786
11787                 if (page_off == 0 || i == 0)
11788                         nvram_cmd |= NVRAM_CMD_FIRST;
11789                 if (page_off == (tp->nvram_pagesize - 4))
11790                         nvram_cmd |= NVRAM_CMD_LAST;
11791
11792                 if (i == (len - 4))
11793                         nvram_cmd |= NVRAM_CMD_LAST;
11794
11795                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11796                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
11797                     (tp->nvram_jedecnum == JEDEC_ST) &&
11798                     (nvram_cmd & NVRAM_CMD_FIRST)) {
11799
11800                         if ((ret = tg3_nvram_exec_cmd(tp,
11801                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11802                                 NVRAM_CMD_DONE)))
11803
11804                                 break;
11805                 }
11806                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11807                         /* We always do complete word writes to eeprom. */
11808                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11809                 }
11810
11811                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11812                         break;
11813         }
11814         return ret;
11815 }
11816
11817 /* offset and length are dword aligned */
11818 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11819 {
11820         int ret;
11821
11822         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11823                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11824                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
11825                 udelay(40);
11826         }
11827
11828         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11829                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11830         } else {
11831                 u32 grc_mode;
11832
11833                 ret = tg3_nvram_lock(tp);
11834                 if (ret)
11835                         return ret;
11836
11837                 tg3_enable_nvram_access(tp);
11838                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
11839                     !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
11840                         tw32(NVRAM_WRITE1, 0x406);
11841
11842                 grc_mode = tr32(GRC_MODE);
11843                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11844
11845                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11846                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11847
11848                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
11849                                 buf);
11850                 } else {
11851                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11852                                 buf);
11853                 }
11854
11855                 grc_mode = tr32(GRC_MODE);
11856                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11857
11858                 tg3_disable_nvram_access(tp);
11859                 tg3_nvram_unlock(tp);
11860         }
11861
11862         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11863                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
11864                 udelay(40);
11865         }
11866
11867         return ret;
11868 }
11869
11870 struct subsys_tbl_ent {
11871         u16 subsys_vendor, subsys_devid;
11872         u32 phy_id;
11873 };
11874
11875 static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = {
11876         /* Broadcom boards. */
11877         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11878           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
11879         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11880           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
11881         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11882           TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
11883         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11884           TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
11885         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11886           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
11887         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11888           TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
11889         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11890           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
11891         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11892           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
11893         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11894           TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
11895         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11896           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
11897         { TG3PCI_SUBVENDOR_ID_BROADCOM,
11898           TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
11899
11900         /* 3com boards. */
11901         { TG3PCI_SUBVENDOR_ID_3COM,
11902           TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
11903         { TG3PCI_SUBVENDOR_ID_3COM,
11904           TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
11905         { TG3PCI_SUBVENDOR_ID_3COM,
11906           TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
11907         { TG3PCI_SUBVENDOR_ID_3COM,
11908           TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
11909         { TG3PCI_SUBVENDOR_ID_3COM,
11910           TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
11911
11912         /* DELL boards. */
11913         { TG3PCI_SUBVENDOR_ID_DELL,
11914           TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
11915         { TG3PCI_SUBVENDOR_ID_DELL,
11916           TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
11917         { TG3PCI_SUBVENDOR_ID_DELL,
11918           TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
11919         { TG3PCI_SUBVENDOR_ID_DELL,
11920           TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
11921
11922         /* Compaq boards. */
11923         { TG3PCI_SUBVENDOR_ID_COMPAQ,
11924           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
11925         { TG3PCI_SUBVENDOR_ID_COMPAQ,
11926           TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
11927         { TG3PCI_SUBVENDOR_ID_COMPAQ,
11928           TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
11929         { TG3PCI_SUBVENDOR_ID_COMPAQ,
11930           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
11931         { TG3PCI_SUBVENDOR_ID_COMPAQ,
11932           TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
11933
11934         /* IBM boards. */
11935         { TG3PCI_SUBVENDOR_ID_IBM,
11936           TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
11937 };
11938
11939 static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp)
11940 {
11941         int i;
11942
11943         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
11944                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
11945                      tp->pdev->subsystem_vendor) &&
11946                     (subsys_id_to_phy_id[i].subsys_devid ==
11947                      tp->pdev->subsystem_device))
11948                         return &subsys_id_to_phy_id[i];
11949         }
11950         return NULL;
11951 }
11952
11953 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
11954 {
11955         u32 val;
11956         u16 pmcsr;
11957
11958         /* On some early chips the SRAM cannot be accessed in D3hot state,
11959          * so need make sure we're in D0.
11960          */
11961         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
11962         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
11963         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
11964         msleep(1);
11965
11966         /* Make sure register accesses (indirect or otherwise)
11967          * will function correctly.
11968          */
11969         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11970                                tp->misc_host_ctrl);
11971
11972         /* The memory arbiter has to be enabled in order for SRAM accesses
11973          * to succeed.  Normally on powerup the tg3 chip firmware will make
11974          * sure it is enabled, but other entities such as system netboot
11975          * code might disable it.
11976          */
11977         val = tr32(MEMARB_MODE);
11978         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
11979
11980         tp->phy_id = TG3_PHY_ID_INVALID;
11981         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11982
11983         /* Assume an onboard device and WOL capable by default.  */
11984         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
11985
11986         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11987                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
11988                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11989                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11990                 }
11991                 val = tr32(VCPU_CFGSHDW);
11992                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
11993                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11994                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
11995                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
11996                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11997                 goto done;
11998         }
11999
12000         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12001         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12002                 u32 nic_cfg, led_cfg;
12003                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12004                 int eeprom_phy_serdes = 0;
12005
12006                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12007                 tp->nic_sram_data_cfg = nic_cfg;
12008
12009                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12010                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12011                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12012                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12013                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12014                     (ver > 0) && (ver < 0x100))
12015                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12016
12017                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12018                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12019
12020                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12021                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12022                         eeprom_phy_serdes = 1;
12023
12024                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12025                 if (nic_phy_id != 0) {
12026                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12027                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12028
12029                         eeprom_phy_id  = (id1 >> 16) << 10;
12030                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
12031                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
12032                 } else
12033                         eeprom_phy_id = 0;
12034
12035                 tp->phy_id = eeprom_phy_id;
12036                 if (eeprom_phy_serdes) {
12037                         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12038                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12039                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
12040                         else
12041                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12042                 }
12043
12044                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12045                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12046                                     SHASTA_EXT_LED_MODE_MASK);
12047                 else
12048                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12049
12050                 switch (led_cfg) {
12051                 default:
12052                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12053                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12054                         break;
12055
12056                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12057                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12058                         break;
12059
12060                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12061                         tp->led_ctrl = LED_CTRL_MODE_MAC;
12062
12063                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12064                          * read on some older 5700/5701 bootcode.
12065                          */
12066                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12067                             ASIC_REV_5700 ||
12068                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
12069                             ASIC_REV_5701)
12070                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12071
12072                         break;
12073
12074                 case SHASTA_EXT_LED_SHARED:
12075                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
12076                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12077                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12078                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12079                                                  LED_CTRL_MODE_PHY_2);
12080                         break;
12081
12082                 case SHASTA_EXT_LED_MAC:
12083                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12084                         break;
12085
12086                 case SHASTA_EXT_LED_COMBO:
12087                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
12088                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12089                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12090                                                  LED_CTRL_MODE_PHY_2);
12091                         break;
12092
12093                 }
12094
12095                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12096                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12097                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12098                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12099
12100                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12101                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12102
12103                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12104                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12105                         if ((tp->pdev->subsystem_vendor ==
12106                              PCI_VENDOR_ID_ARIMA) &&
12107                             (tp->pdev->subsystem_device == 0x205a ||
12108                              tp->pdev->subsystem_device == 0x2063))
12109                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12110                 } else {
12111                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12112                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12113                 }
12114
12115                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12116                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12117                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12118                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12119                 }
12120
12121                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12122                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12123                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12124
12125                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
12126                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12127                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12128
12129                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12130                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12131                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12132
12133                 if (cfg2 & (1 << 17))
12134                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
12135
12136                 /* serdes signal pre-emphasis in register 0x590 set by */
12137                 /* bootcode if bit 18 is set */
12138                 if (cfg2 & (1 << 18))
12139                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
12140
12141                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12142                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12143                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12144                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
12145
12146                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12147                         u32 cfg3;
12148
12149                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12150                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12151                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12152                 }
12153
12154                 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
12155                         tp->tg3_flags3 |= TG3_FLG3_RGMII_INBAND_DISABLE;
12156                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12157                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12158                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12159                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12160         }
12161 done:
12162         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12163         device_set_wakeup_enable(&tp->pdev->dev,
12164                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12165 }
12166
12167 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12168 {
12169         int i;
12170         u32 val;
12171
12172         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12173         tw32(OTP_CTRL, cmd);
12174
12175         /* Wait for up to 1 ms for command to execute. */
12176         for (i = 0; i < 100; i++) {
12177                 val = tr32(OTP_STATUS);
12178                 if (val & OTP_STATUS_CMD_DONE)
12179                         break;
12180                 udelay(10);
12181         }
12182
12183         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12184 }
12185
12186 /* Read the gphy configuration from the OTP region of the chip.  The gphy
12187  * configuration is a 32-bit value that straddles the alignment boundary.
12188  * We do two 32-bit reads and then shift and merge the results.
12189  */
12190 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12191 {
12192         u32 bhalf_otp, thalf_otp;
12193
12194         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12195
12196         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12197                 return 0;
12198
12199         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12200
12201         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12202                 return 0;
12203
12204         thalf_otp = tr32(OTP_READ_DATA);
12205
12206         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12207
12208         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12209                 return 0;
12210
12211         bhalf_otp = tr32(OTP_READ_DATA);
12212
12213         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12214 }
12215
12216 static int __devinit tg3_phy_probe(struct tg3 *tp)
12217 {
12218         u32 hw_phy_id_1, hw_phy_id_2;
12219         u32 hw_phy_id, hw_phy_id_masked;
12220         int err;
12221
12222         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12223                 return tg3_phy_init(tp);
12224
12225         /* Reading the PHY ID register can conflict with ASF
12226          * firmware access to the PHY hardware.
12227          */
12228         err = 0;
12229         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12230             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12231                 hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
12232         } else {
12233                 /* Now read the physical PHY_ID from the chip and verify
12234                  * that it is sane.  If it doesn't look good, we fall back
12235                  * to either the hard-coded table based PHY_ID and failing
12236                  * that the value found in the eeprom area.
12237                  */
12238                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12239                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12240
12241                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
12242                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12243                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
12244
12245                 hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
12246         }
12247
12248         if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
12249                 tp->phy_id = hw_phy_id;
12250                 if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
12251                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12252                 else
12253                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
12254         } else {
12255                 if (tp->phy_id != TG3_PHY_ID_INVALID) {
12256                         /* Do nothing, phy ID already set up in
12257                          * tg3_get_eeprom_hw_cfg().
12258                          */
12259                 } else {
12260                         struct subsys_tbl_ent *p;
12261
12262                         /* No eeprom signature?  Try the hardcoded
12263                          * subsys device table.
12264                          */
12265                         p = tg3_lookup_by_subsys(tp);
12266                         if (!p)
12267                                 return -ENODEV;
12268
12269                         tp->phy_id = p->phy_id;
12270                         if (!tp->phy_id ||
12271                             tp->phy_id == TG3_PHY_ID_BCM8002)
12272                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12273                 }
12274         }
12275
12276         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
12277             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12278             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12279                 u32 bmsr, adv_reg, tg3_ctrl, mask;
12280
12281                 tg3_readphy(tp, MII_BMSR, &bmsr);
12282                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12283                     (bmsr & BMSR_LSTATUS))
12284                         goto skip_phy_reset;
12285
12286                 err = tg3_phy_reset(tp);
12287                 if (err)
12288                         return err;
12289
12290                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12291                            ADVERTISE_100HALF | ADVERTISE_100FULL |
12292                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12293                 tg3_ctrl = 0;
12294                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12295                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12296                                     MII_TG3_CTRL_ADV_1000_FULL);
12297                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12298                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12299                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12300                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
12301                 }
12302
12303                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12304                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12305                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12306                 if (!tg3_copper_is_advertising_all(tp, mask)) {
12307                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12308
12309                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12310                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12311
12312                         tg3_writephy(tp, MII_BMCR,
12313                                      BMCR_ANENABLE | BMCR_ANRESTART);
12314                 }
12315                 tg3_phy_set_wirespeed(tp);
12316
12317                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12318                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12319                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12320         }
12321
12322 skip_phy_reset:
12323         if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
12324                 err = tg3_init_5401phy_dsp(tp);
12325                 if (err)
12326                         return err;
12327
12328                 err = tg3_init_5401phy_dsp(tp);
12329         }
12330
12331         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
12332                 tp->link_config.advertising =
12333                         (ADVERTISED_1000baseT_Half |
12334                          ADVERTISED_1000baseT_Full |
12335                          ADVERTISED_Autoneg |
12336                          ADVERTISED_FIBRE);
12337         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12338                 tp->link_config.advertising &=
12339                         ~(ADVERTISED_1000baseT_Half |
12340                           ADVERTISED_1000baseT_Full);
12341
12342         return err;
12343 }
12344
12345 static void __devinit tg3_read_vpd(struct tg3 *tp)
12346 {
12347         u8 vpd_data[TG3_NVM_VPD_LEN];
12348         unsigned int block_end, rosize, len;
12349         int j, i = 0;
12350         u32 magic;
12351
12352         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12353             tg3_nvram_read(tp, 0x0, &magic))
12354                 goto out_not_found;
12355
12356         if (magic == TG3_EEPROM_MAGIC) {
12357                 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12358                         u32 tmp;
12359
12360                         /* The data is in little-endian format in NVRAM.
12361                          * Use the big-endian read routines to preserve
12362                          * the byte order as it exists in NVRAM.
12363                          */
12364                         if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12365                                 goto out_not_found;
12366
12367                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12368                 }
12369         } else {
12370                 ssize_t cnt;
12371                 unsigned int pos = 0;
12372
12373                 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12374                         cnt = pci_read_vpd(tp->pdev, pos,
12375                                            TG3_NVM_VPD_LEN - pos,
12376                                            &vpd_data[pos]);
12377                         if (cnt == -ETIMEDOUT || -EINTR)
12378                                 cnt = 0;
12379                         else if (cnt < 0)
12380                                 goto out_not_found;
12381                 }
12382                 if (pos != TG3_NVM_VPD_LEN)
12383                         goto out_not_found;
12384         }
12385
12386         i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN,
12387                              PCI_VPD_LRDT_RO_DATA);
12388         if (i < 0)
12389                 goto out_not_found;
12390
12391         rosize = pci_vpd_lrdt_size(&vpd_data[i]);
12392         block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
12393         i += PCI_VPD_LRDT_TAG_SIZE;
12394
12395         if (block_end > TG3_NVM_VPD_LEN)
12396                 goto out_not_found;
12397
12398         j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12399                                       PCI_VPD_RO_KEYWORD_MFR_ID);
12400         if (j > 0) {
12401                 len = pci_vpd_info_field_size(&vpd_data[j]);
12402
12403                 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12404                 if (j + len > block_end || len != 4 ||
12405                     memcmp(&vpd_data[j], "1028", 4))
12406                         goto partno;
12407
12408                 j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12409                                               PCI_VPD_RO_KEYWORD_VENDOR0);
12410                 if (j < 0)
12411                         goto partno;
12412
12413                 len = pci_vpd_info_field_size(&vpd_data[j]);
12414
12415                 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12416                 if (j + len > block_end)
12417                         goto partno;
12418
12419                 memcpy(tp->fw_ver, &vpd_data[j], len);
12420                 strncat(tp->fw_ver, " bc ", TG3_NVM_VPD_LEN - len - 1);
12421         }
12422
12423 partno:
12424         i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12425                                       PCI_VPD_RO_KEYWORD_PARTNO);
12426         if (i < 0)
12427                 goto out_not_found;
12428
12429         len = pci_vpd_info_field_size(&vpd_data[i]);
12430
12431         i += PCI_VPD_INFO_FLD_HDR_SIZE;
12432         if (len > TG3_BPN_SIZE ||
12433             (len + i) > TG3_NVM_VPD_LEN)
12434                 goto out_not_found;
12435
12436         memcpy(tp->board_part_number, &vpd_data[i], len);
12437
12438         return;
12439
12440 out_not_found:
12441         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12442                 strcpy(tp->board_part_number, "BCM95906");
12443         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12444                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12445                 strcpy(tp->board_part_number, "BCM57780");
12446         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12447                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12448                 strcpy(tp->board_part_number, "BCM57760");
12449         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12450                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12451                 strcpy(tp->board_part_number, "BCM57790");
12452         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12453                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12454                 strcpy(tp->board_part_number, "BCM57788");
12455         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12456                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
12457                 strcpy(tp->board_part_number, "BCM57761");
12458         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12459                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
12460                 strcpy(tp->board_part_number, "BCM57765");
12461         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12462                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
12463                 strcpy(tp->board_part_number, "BCM57781");
12464         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12465                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
12466                 strcpy(tp->board_part_number, "BCM57785");
12467         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12468                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
12469                 strcpy(tp->board_part_number, "BCM57791");
12470         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12471                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12472                 strcpy(tp->board_part_number, "BCM57795");
12473         else
12474                 strcpy(tp->board_part_number, "none");
12475 }
12476
12477 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12478 {
12479         u32 val;
12480
12481         if (tg3_nvram_read(tp, offset, &val) ||
12482             (val & 0xfc000000) != 0x0c000000 ||
12483             tg3_nvram_read(tp, offset + 4, &val) ||
12484             val != 0)
12485                 return 0;
12486
12487         return 1;
12488 }
12489
12490 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12491 {
12492         u32 val, offset, start, ver_offset;
12493         int i, dst_off;
12494         bool newver = false;
12495
12496         if (tg3_nvram_read(tp, 0xc, &offset) ||
12497             tg3_nvram_read(tp, 0x4, &start))
12498                 return;
12499
12500         offset = tg3_nvram_logical_addr(tp, offset);
12501
12502         if (tg3_nvram_read(tp, offset, &val))
12503                 return;
12504
12505         if ((val & 0xfc000000) == 0x0c000000) {
12506                 if (tg3_nvram_read(tp, offset + 4, &val))
12507                         return;
12508
12509                 if (val == 0)
12510                         newver = true;
12511         }
12512
12513         dst_off = strlen(tp->fw_ver);
12514
12515         if (newver) {
12516                 if (TG3_VER_SIZE - dst_off < 16 ||
12517                     tg3_nvram_read(tp, offset + 8, &ver_offset))
12518                         return;
12519
12520                 offset = offset + ver_offset - start;
12521                 for (i = 0; i < 16; i += 4) {
12522                         __be32 v;
12523                         if (tg3_nvram_read_be32(tp, offset + i, &v))
12524                                 return;
12525
12526                         memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v));
12527                 }
12528         } else {
12529                 u32 major, minor;
12530
12531                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12532                         return;
12533
12534                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12535                         TG3_NVM_BCVER_MAJSFT;
12536                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12537                 snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off,
12538                          "v%d.%02d", major, minor);
12539         }
12540 }
12541
12542 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12543 {
12544         u32 val, major, minor;
12545
12546         /* Use native endian representation */
12547         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12548                 return;
12549
12550         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12551                 TG3_NVM_HWSB_CFG1_MAJSFT;
12552         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12553                 TG3_NVM_HWSB_CFG1_MINSFT;
12554
12555         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12556 }
12557
12558 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12559 {
12560         u32 offset, major, minor, build;
12561
12562         strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1);
12563
12564         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12565                 return;
12566
12567         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12568         case TG3_EEPROM_SB_REVISION_0:
12569                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12570                 break;
12571         case TG3_EEPROM_SB_REVISION_2:
12572                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12573                 break;
12574         case TG3_EEPROM_SB_REVISION_3:
12575                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12576                 break;
12577         case TG3_EEPROM_SB_REVISION_4:
12578                 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
12579                 break;
12580         case TG3_EEPROM_SB_REVISION_5:
12581                 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
12582                 break;
12583         default:
12584                 return;
12585         }
12586
12587         if (tg3_nvram_read(tp, offset, &val))
12588                 return;
12589
12590         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12591                 TG3_EEPROM_SB_EDH_BLD_SHFT;
12592         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12593                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12594         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
12595
12596         if (minor > 99 || build > 26)
12597                 return;
12598
12599         offset = strlen(tp->fw_ver);
12600         snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset,
12601                  " v%d.%02d", major, minor);
12602
12603         if (build > 0) {
12604                 offset = strlen(tp->fw_ver);
12605                 if (offset < TG3_VER_SIZE - 1)
12606                         tp->fw_ver[offset] = 'a' + build - 1;
12607         }
12608 }
12609
12610 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12611 {
12612         u32 val, offset, start;
12613         int i, vlen;
12614
12615         for (offset = TG3_NVM_DIR_START;
12616              offset < TG3_NVM_DIR_END;
12617              offset += TG3_NVM_DIRENT_SIZE) {
12618                 if (tg3_nvram_read(tp, offset, &val))
12619                         return;
12620
12621                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12622                         break;
12623         }
12624
12625         if (offset == TG3_NVM_DIR_END)
12626                 return;
12627
12628         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12629                 start = 0x08000000;
12630         else if (tg3_nvram_read(tp, offset - 4, &start))
12631                 return;
12632
12633         if (tg3_nvram_read(tp, offset + 4, &offset) ||
12634             !tg3_fw_img_is_valid(tp, offset) ||
12635             tg3_nvram_read(tp, offset + 8, &val))
12636                 return;
12637
12638         offset += val - start;
12639
12640         vlen = strlen(tp->fw_ver);
12641
12642         tp->fw_ver[vlen++] = ',';
12643         tp->fw_ver[vlen++] = ' ';
12644
12645         for (i = 0; i < 4; i++) {
12646                 __be32 v;
12647                 if (tg3_nvram_read_be32(tp, offset, &v))
12648                         return;
12649
12650                 offset += sizeof(v);
12651
12652                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12653                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12654                         break;
12655                 }
12656
12657                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12658                 vlen += sizeof(v);
12659         }
12660 }
12661
12662 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12663 {
12664         int vlen;
12665         u32 apedata;
12666
12667         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12668             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
12669                 return;
12670
12671         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12672         if (apedata != APE_SEG_SIG_MAGIC)
12673                 return;
12674
12675         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12676         if (!(apedata & APE_FW_STATUS_READY))
12677                 return;
12678
12679         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12680
12681         vlen = strlen(tp->fw_ver);
12682
12683         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12684                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12685                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12686                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12687                  (apedata & APE_FW_VERSION_BLDMSK));
12688 }
12689
12690 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12691 {
12692         u32 val;
12693         bool vpd_vers = false;
12694
12695         if (tp->fw_ver[0] != 0)
12696                 vpd_vers = true;
12697
12698         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12699                 strcat(tp->fw_ver, "sb");
12700                 return;
12701         }
12702
12703         if (tg3_nvram_read(tp, 0, &val))
12704                 return;
12705
12706         if (val == TG3_EEPROM_MAGIC)
12707                 tg3_read_bc_ver(tp);
12708         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12709                 tg3_read_sb_ver(tp, val);
12710         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12711                 tg3_read_hwsb_ver(tp);
12712         else
12713                 return;
12714
12715         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12716              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) || vpd_vers)
12717                 goto done;
12718
12719         tg3_read_mgmtfw_ver(tp);
12720
12721 done:
12722         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12723 }
12724
12725 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12726
12727 static int __devinit tg3_get_invariants(struct tg3 *tp)
12728 {
12729         static struct pci_device_id write_reorder_chipsets[] = {
12730                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12731                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12732                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12733                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12734                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12735                              PCI_DEVICE_ID_VIA_8385_0) },
12736                 { },
12737         };
12738         u32 misc_ctrl_reg;
12739         u32 pci_state_reg, grc_misc_cfg;
12740         u32 val;
12741         u16 pci_cmd;
12742         int err;
12743
12744         /* Force memory write invalidate off.  If we leave it on,
12745          * then on 5700_BX chips we have to enable a workaround.
12746          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12747          * to match the cacheline size.  The Broadcom driver have this
12748          * workaround but turns MWI off all the times so never uses
12749          * it.  This seems to suggest that the workaround is insufficient.
12750          */
12751         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12752         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12753         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12754
12755         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12756          * has the register indirect write enable bit set before
12757          * we try to access any of the MMIO registers.  It is also
12758          * critical that the PCI-X hw workaround situation is decided
12759          * before that as well.
12760          */
12761         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12762                               &misc_ctrl_reg);
12763
12764         tp->pci_chip_rev_id = (misc_ctrl_reg >>
12765                                MISC_HOST_CTRL_CHIPREV_SHIFT);
12766         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12767                 u32 prod_id_asic_rev;
12768
12769                 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
12770                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12771                     tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
12772                         pci_read_config_dword(tp->pdev,
12773                                               TG3PCI_GEN2_PRODID_ASICREV,
12774                                               &prod_id_asic_rev);
12775                 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
12776                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
12777                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
12778                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
12779                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
12780                          tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12781                         pci_read_config_dword(tp->pdev,
12782                                               TG3PCI_GEN15_PRODID_ASICREV,
12783                                               &prod_id_asic_rev);
12784                 else
12785                         pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12786                                               &prod_id_asic_rev);
12787
12788                 tp->pci_chip_rev_id = prod_id_asic_rev;
12789         }
12790
12791         /* Wrong chip ID in 5752 A0. This code can be removed later
12792          * as A0 is not in production.
12793          */
12794         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12795                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12796
12797         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12798          * we need to disable memory and use config. cycles
12799          * only to access all registers. The 5702/03 chips
12800          * can mistakenly decode the special cycles from the
12801          * ICH chipsets as memory write cycles, causing corruption
12802          * of register and memory space. Only certain ICH bridges
12803          * will drive special cycles with non-zero data during the
12804          * address phase which can fall within the 5703's address
12805          * range. This is not an ICH bug as the PCI spec allows
12806          * non-zero address during special cycles. However, only
12807          * these ICH bridges are known to drive non-zero addresses
12808          * during special cycles.
12809          *
12810          * Since special cycles do not cross PCI bridges, we only
12811          * enable this workaround if the 5703 is on the secondary
12812          * bus of these ICH bridges.
12813          */
12814         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12815             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12816                 static struct tg3_dev_id {
12817                         u32     vendor;
12818                         u32     device;
12819                         u32     rev;
12820                 } ich_chipsets[] = {
12821                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12822                           PCI_ANY_ID },
12823                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12824                           PCI_ANY_ID },
12825                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12826                           0xa },
12827                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12828                           PCI_ANY_ID },
12829                         { },
12830                 };
12831                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12832                 struct pci_dev *bridge = NULL;
12833
12834                 while (pci_id->vendor != 0) {
12835                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
12836                                                 bridge);
12837                         if (!bridge) {
12838                                 pci_id++;
12839                                 continue;
12840                         }
12841                         if (pci_id->rev != PCI_ANY_ID) {
12842                                 if (bridge->revision > pci_id->rev)
12843                                         continue;
12844                         }
12845                         if (bridge->subordinate &&
12846                             (bridge->subordinate->number ==
12847                              tp->pdev->bus->number)) {
12848
12849                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12850                                 pci_dev_put(bridge);
12851                                 break;
12852                         }
12853                 }
12854         }
12855
12856         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12857                 static struct tg3_dev_id {
12858                         u32     vendor;
12859                         u32     device;
12860                 } bridge_chipsets[] = {
12861                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12862                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12863                         { },
12864                 };
12865                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12866                 struct pci_dev *bridge = NULL;
12867
12868                 while (pci_id->vendor != 0) {
12869                         bridge = pci_get_device(pci_id->vendor,
12870                                                 pci_id->device,
12871                                                 bridge);
12872                         if (!bridge) {
12873                                 pci_id++;
12874                                 continue;
12875                         }
12876                         if (bridge->subordinate &&
12877                             (bridge->subordinate->number <=
12878                              tp->pdev->bus->number) &&
12879                             (bridge->subordinate->subordinate >=
12880                              tp->pdev->bus->number)) {
12881                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12882                                 pci_dev_put(bridge);
12883                                 break;
12884                         }
12885                 }
12886         }
12887
12888         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12889          * DMA addresses > 40-bit. This bridge may have other additional
12890          * 57xx devices behind it in some 4-port NIC designs for example.
12891          * Any tg3 device found behind the bridge will also need the 40-bit
12892          * DMA workaround.
12893          */
12894         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12895             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12896                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
12897                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12898                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
12899         } else {
12900                 struct pci_dev *bridge = NULL;
12901
12902                 do {
12903                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12904                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
12905                                                 bridge);
12906                         if (bridge && bridge->subordinate &&
12907                             (bridge->subordinate->number <=
12908                              tp->pdev->bus->number) &&
12909                             (bridge->subordinate->subordinate >=
12910                              tp->pdev->bus->number)) {
12911                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12912                                 pci_dev_put(bridge);
12913                                 break;
12914                         }
12915                 } while (bridge);
12916         }
12917
12918         /* Initialize misc host control in PCI block. */
12919         tp->misc_host_ctrl |= (misc_ctrl_reg &
12920                                MISC_HOST_CTRL_CHIPREV);
12921         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12922                                tp->misc_host_ctrl);
12923
12924         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
12925             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
12926             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12927                 tp->pdev_peer = tg3_find_peer(tp);
12928
12929         /* Intentionally exclude ASIC_REV_5906 */
12930         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12931             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12933             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12934             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12935             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12936             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
12937             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
12938                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
12939
12940         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12941             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12942             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
12943             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12944             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12945                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
12946
12947         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
12948             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12949                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
12950
12951         /* 5700 B0 chips do not support checksumming correctly due
12952          * to hardware bugs.
12953          */
12954         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
12955                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
12956         else {
12957                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12958                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12959                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
12960                         tp->dev->features |= NETIF_F_IPV6_CSUM;
12961         }
12962
12963         /* Determine TSO capabilities */
12964         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
12965             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
12966                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
12967         else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12968                  GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12969                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
12970         else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12971                 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
12972                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
12973                     tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
12974                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
12975         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12976                    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12977                    tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
12978                 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
12979                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
12980                         tp->fw_needed = FIRMWARE_TG3TSO5;
12981                 else
12982                         tp->fw_needed = FIRMWARE_TG3TSO;
12983         }
12984
12985         tp->irq_max = 1;
12986
12987         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12988                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
12989                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
12990                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
12991                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
12992                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
12993                      tp->pdev_peer == tp->pdev))
12994                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
12995
12996                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12997                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12998                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
12999                 }
13000
13001                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13002                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13003                         tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13004                         tp->irq_max = TG3_IRQ_MAX_VECS;
13005                 }
13006         }
13007
13008         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13009             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13010                 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13011         else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13012                 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13013                 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13014         }
13015
13016         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13017             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13018                 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13019
13020         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13021             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13022             (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13023                 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13024
13025         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13026                               &pci_state_reg);
13027
13028         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13029         if (tp->pcie_cap != 0) {
13030                 u16 lnkctl;
13031
13032                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13033
13034                 pcie_set_readrq(tp->pdev, 4096);
13035
13036                 pci_read_config_word(tp->pdev,
13037                                      tp->pcie_cap + PCI_EXP_LNKCTL,
13038                                      &lnkctl);
13039                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13040                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13041                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13042                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13043                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13044                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13045                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13046                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13047                 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13048                         tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13049                 }
13050         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13051                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13052         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13053                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13054                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13055                 if (!tp->pcix_cap) {
13056                         dev_err(&tp->pdev->dev,
13057                                 "Cannot find PCI-X capability, aborting\n");
13058                         return -EIO;
13059                 }
13060
13061                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13062                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13063         }
13064
13065         /* If we have an AMD 762 or VIA K8T800 chipset, write
13066          * reordering to the mailbox registers done by the host
13067          * controller can cause major troubles.  We read back from
13068          * every mailbox register write to force the writes to be
13069          * posted to the chip in order.
13070          */
13071         if (pci_dev_present(write_reorder_chipsets) &&
13072             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13073                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13074
13075         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13076                              &tp->pci_cacheline_sz);
13077         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13078                              &tp->pci_lat_timer);
13079         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13080             tp->pci_lat_timer < 64) {
13081                 tp->pci_lat_timer = 64;
13082                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13083                                       tp->pci_lat_timer);
13084         }
13085
13086         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13087                 /* 5700 BX chips need to have their TX producer index
13088                  * mailboxes written twice to workaround a bug.
13089                  */
13090                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13091
13092                 /* If we are in PCI-X mode, enable register write workaround.
13093                  *
13094                  * The workaround is to use indirect register accesses
13095                  * for all chip writes not to mailbox registers.
13096                  */
13097                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13098                         u32 pm_reg;
13099
13100                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13101
13102                         /* The chip can have it's power management PCI config
13103                          * space registers clobbered due to this bug.
13104                          * So explicitly force the chip into D0 here.
13105                          */
13106                         pci_read_config_dword(tp->pdev,
13107                                               tp->pm_cap + PCI_PM_CTRL,
13108                                               &pm_reg);
13109                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13110                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13111                         pci_write_config_dword(tp->pdev,
13112                                                tp->pm_cap + PCI_PM_CTRL,
13113                                                pm_reg);
13114
13115                         /* Also, force SERR#/PERR# in PCI command. */
13116                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13117                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13118                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13119                 }
13120         }
13121
13122         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13123                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13124         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13125                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13126
13127         /* Chip-specific fixup from Broadcom driver */
13128         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13129             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13130                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13131                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13132         }
13133
13134         /* Default fast path register access methods */
13135         tp->read32 = tg3_read32;
13136         tp->write32 = tg3_write32;
13137         tp->read32_mbox = tg3_read32;
13138         tp->write32_mbox = tg3_write32;
13139         tp->write32_tx_mbox = tg3_write32;
13140         tp->write32_rx_mbox = tg3_write32;
13141
13142         /* Various workaround register access methods */
13143         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13144                 tp->write32 = tg3_write_indirect_reg32;
13145         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13146                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13147                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13148                 /*
13149                  * Back to back register writes can cause problems on these
13150                  * chips, the workaround is to read back all reg writes
13151                  * except those to mailbox regs.
13152                  *
13153                  * See tg3_write_indirect_reg32().
13154                  */
13155                 tp->write32 = tg3_write_flush_reg32;
13156         }
13157
13158         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13159             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13160                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13161                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13162                         tp->write32_rx_mbox = tg3_write_flush_reg32;
13163         }
13164
13165         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13166                 tp->read32 = tg3_read_indirect_reg32;
13167                 tp->write32 = tg3_write_indirect_reg32;
13168                 tp->read32_mbox = tg3_read_indirect_mbox;
13169                 tp->write32_mbox = tg3_write_indirect_mbox;
13170                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13171                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13172
13173                 iounmap(tp->regs);
13174                 tp->regs = NULL;
13175
13176                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13177                 pci_cmd &= ~PCI_COMMAND_MEMORY;
13178                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13179         }
13180         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13181                 tp->read32_mbox = tg3_read32_mbox_5906;
13182                 tp->write32_mbox = tg3_write32_mbox_5906;
13183                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13184                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13185         }
13186
13187         if (tp->write32 == tg3_write_indirect_reg32 ||
13188             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13189              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13190               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13191                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13192
13193         /* Get eeprom hw config before calling tg3_set_power_state().
13194          * In particular, the TG3_FLG2_IS_NIC flag must be
13195          * determined before calling tg3_set_power_state() so that
13196          * we know whether or not to switch out of Vaux power.
13197          * When the flag is set, it means that GPIO1 is used for eeprom
13198          * write protect and also implies that it is a LOM where GPIOs
13199          * are not used to switch power.
13200          */
13201         tg3_get_eeprom_hw_cfg(tp);
13202
13203         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13204                 /* Allow reads and writes to the
13205                  * APE register and memory space.
13206                  */
13207                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13208                                  PCISTATE_ALLOW_APE_SHMEM_WR;
13209                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13210                                        pci_state_reg);
13211         }
13212
13213         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13214             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13215             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13216             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13217             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13218             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13219                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13220
13221         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13222          * GPIO1 driven high will bring 5700's external PHY out of reset.
13223          * It is also used as eeprom write protect on LOMs.
13224          */
13225         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13226         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13227             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13228                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13229                                        GRC_LCLCTRL_GPIO_OUTPUT1);
13230         /* Unused GPIO3 must be driven as output on 5752 because there
13231          * are no pull-up resistors on unused GPIO pins.
13232          */
13233         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13234                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13235
13236         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13237             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13238             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13239                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13240
13241         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13242             tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13243                 /* Turn off the debug UART. */
13244                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13245                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13246                         /* Keep VMain power. */
13247                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13248                                               GRC_LCLCTRL_GPIO_OUTPUT0;
13249         }
13250
13251         /* Force the chip into D0. */
13252         err = tg3_set_power_state(tp, PCI_D0);
13253         if (err) {
13254                 dev_err(&tp->pdev->dev, "Transition to D0 failed\n");
13255                 return err;
13256         }
13257
13258         /* Derive initial jumbo mode from MTU assigned in
13259          * ether_setup() via the alloc_etherdev() call
13260          */
13261         if (tp->dev->mtu > ETH_DATA_LEN &&
13262             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13263                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13264
13265         /* Determine WakeOnLan speed to use. */
13266         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13267             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13268             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13269             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13270                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13271         } else {
13272                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13273         }
13274
13275         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13276                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13277
13278         /* A few boards don't want Ethernet@WireSpeed phy feature */
13279         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13280             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13281              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13282              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13283             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
13284             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
13285                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13286
13287         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13288             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13289                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13290         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13291                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13292
13293         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13294             !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
13295             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13296             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13297             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
13298             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
13299                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13300                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13301                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13302                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13303                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13304                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13305                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
13306                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13307                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
13308                 } else
13309                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13310         }
13311
13312         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13313             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13314                 tp->phy_otp = tg3_read_otp_phycfg(tp);
13315                 if (tp->phy_otp == 0)
13316                         tp->phy_otp = TG3_OTP_DEFAULT;
13317         }
13318
13319         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13320                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13321         else
13322                 tp->mi_mode = MAC_MI_MODE_BASE;
13323
13324         tp->coalesce_mode = 0;
13325         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13326             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13327                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13328
13329         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13330             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13331                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13332
13333         err = tg3_mdio_init(tp);
13334         if (err)
13335                 return err;
13336
13337         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
13338             (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0 ||
13339                  (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
13340                 return -ENOTSUPP;
13341
13342         /* Initialize data/descriptor byte/word swapping. */
13343         val = tr32(GRC_MODE);
13344         val &= GRC_MODE_HOST_STACKUP;
13345         tw32(GRC_MODE, val | tp->grc_mode);
13346
13347         tg3_switch_clocks(tp);
13348
13349         /* Clear this out for sanity. */
13350         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13351
13352         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13353                               &pci_state_reg);
13354         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13355             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13356                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13357
13358                 if (chiprevid == CHIPREV_ID_5701_A0 ||
13359                     chiprevid == CHIPREV_ID_5701_B0 ||
13360                     chiprevid == CHIPREV_ID_5701_B2 ||
13361                     chiprevid == CHIPREV_ID_5701_B5) {
13362                         void __iomem *sram_base;
13363
13364                         /* Write some dummy words into the SRAM status block
13365                          * area, see if it reads back correctly.  If the return
13366                          * value is bad, force enable the PCIX workaround.
13367                          */
13368                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13369
13370                         writel(0x00000000, sram_base);
13371                         writel(0x00000000, sram_base + 4);
13372                         writel(0xffffffff, sram_base + 4);
13373                         if (readl(sram_base) != 0x00000000)
13374                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13375                 }
13376         }
13377
13378         udelay(50);
13379         tg3_nvram_init(tp);
13380
13381         grc_misc_cfg = tr32(GRC_MISC_CFG);
13382         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13383
13384         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13385             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13386              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13387                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13388
13389         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13390             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13391                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13392         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13393                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13394                                       HOSTCC_MODE_CLRTICK_TXBD);
13395
13396                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13397                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13398                                        tp->misc_host_ctrl);
13399         }
13400
13401         /* Preserve the APE MAC_MODE bits */
13402         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13403                 tp->mac_mode = tr32(MAC_MODE) |
13404                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13405         else
13406                 tp->mac_mode = TG3_DEF_MAC_MODE;
13407
13408         /* these are limited to 10/100 only */
13409         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13410              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13411             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13412              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13413              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13414               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13415               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13416             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13417              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13418               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13419               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13420             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13421             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13422             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
13423             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
13424                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13425
13426         err = tg3_phy_probe(tp);
13427         if (err) {
13428                 dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err);
13429                 /* ... but do not return immediately ... */
13430                 tg3_mdio_fini(tp);
13431         }
13432
13433         tg3_read_vpd(tp);
13434         tg3_read_fw_ver(tp);
13435
13436         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13437                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13438         } else {
13439                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13440                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13441                 else
13442                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13443         }
13444
13445         /* 5700 {AX,BX} chips have a broken status block link
13446          * change bit implementation, so we must use the
13447          * status register in those cases.
13448          */
13449         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13450                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13451         else
13452                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13453
13454         /* The led_ctrl is set during tg3_phy_probe, here we might
13455          * have to force the link status polling mechanism based
13456          * upon subsystem IDs.
13457          */
13458         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13459             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13460             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13461                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13462                                   TG3_FLAG_USE_LINKCHG_REG);
13463         }
13464
13465         /* For all SERDES we poll the MAC status register. */
13466         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13467                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13468         else
13469                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13470
13471         tp->rx_offset = NET_IP_ALIGN;
13472         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13473             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13474                 tp->rx_offset = 0;
13475
13476         tp->rx_std_max_post = TG3_RX_RING_SIZE;
13477
13478         /* Increment the rx prod index on the rx std ring by at most
13479          * 8 for these chips to workaround hw errata.
13480          */
13481         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13482             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13483             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13484                 tp->rx_std_max_post = 8;
13485
13486         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13487                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13488                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
13489
13490         return err;
13491 }
13492
13493 #ifdef CONFIG_SPARC
13494 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13495 {
13496         struct net_device *dev = tp->dev;
13497         struct pci_dev *pdev = tp->pdev;
13498         struct device_node *dp = pci_device_to_OF_node(pdev);
13499         const unsigned char *addr;
13500         int len;
13501
13502         addr = of_get_property(dp, "local-mac-address", &len);
13503         if (addr && len == 6) {
13504                 memcpy(dev->dev_addr, addr, 6);
13505                 memcpy(dev->perm_addr, dev->dev_addr, 6);
13506                 return 0;
13507         }
13508         return -ENODEV;
13509 }
13510
13511 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13512 {
13513         struct net_device *dev = tp->dev;
13514
13515         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13516         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13517         return 0;
13518 }
13519 #endif
13520
13521 static int __devinit tg3_get_device_address(struct tg3 *tp)
13522 {
13523         struct net_device *dev = tp->dev;
13524         u32 hi, lo, mac_offset;
13525         int addr_ok = 0;
13526
13527 #ifdef CONFIG_SPARC
13528         if (!tg3_get_macaddr_sparc(tp))
13529                 return 0;
13530 #endif
13531
13532         mac_offset = 0x7c;
13533         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13534             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13535                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13536                         mac_offset = 0xcc;
13537                 if (tg3_nvram_lock(tp))
13538                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13539                 else
13540                         tg3_nvram_unlock(tp);
13541         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13542                 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13543                         mac_offset = 0xcc;
13544         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13545                 mac_offset = 0x10;
13546
13547         /* First try to get it from MAC address mailbox. */
13548         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13549         if ((hi >> 16) == 0x484b) {
13550                 dev->dev_addr[0] = (hi >>  8) & 0xff;
13551                 dev->dev_addr[1] = (hi >>  0) & 0xff;
13552
13553                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13554                 dev->dev_addr[2] = (lo >> 24) & 0xff;
13555                 dev->dev_addr[3] = (lo >> 16) & 0xff;
13556                 dev->dev_addr[4] = (lo >>  8) & 0xff;
13557                 dev->dev_addr[5] = (lo >>  0) & 0xff;
13558
13559                 /* Some old bootcode may report a 0 MAC address in SRAM */
13560                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13561         }
13562         if (!addr_ok) {
13563                 /* Next, try NVRAM. */
13564                 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13565                     !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13566                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13567                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13568                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13569                 }
13570                 /* Finally just fetch it out of the MAC control regs. */
13571                 else {
13572                         hi = tr32(MAC_ADDR_0_HIGH);
13573                         lo = tr32(MAC_ADDR_0_LOW);
13574
13575                         dev->dev_addr[5] = lo & 0xff;
13576                         dev->dev_addr[4] = (lo >> 8) & 0xff;
13577                         dev->dev_addr[3] = (lo >> 16) & 0xff;
13578                         dev->dev_addr[2] = (lo >> 24) & 0xff;
13579                         dev->dev_addr[1] = hi & 0xff;
13580                         dev->dev_addr[0] = (hi >> 8) & 0xff;
13581                 }
13582         }
13583
13584         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13585 #ifdef CONFIG_SPARC
13586                 if (!tg3_get_default_macaddr_sparc(tp))
13587                         return 0;
13588 #endif
13589                 return -EINVAL;
13590         }
13591         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13592         return 0;
13593 }
13594
13595 #define BOUNDARY_SINGLE_CACHELINE       1
13596 #define BOUNDARY_MULTI_CACHELINE        2
13597
13598 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13599 {
13600         int cacheline_size;
13601         u8 byte;
13602         int goal;
13603
13604         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13605         if (byte == 0)
13606                 cacheline_size = 1024;
13607         else
13608                 cacheline_size = (int) byte * 4;
13609
13610         /* On 5703 and later chips, the boundary bits have no
13611          * effect.
13612          */
13613         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13614             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13615             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13616                 goto out;
13617
13618 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13619         goal = BOUNDARY_MULTI_CACHELINE;
13620 #else
13621 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13622         goal = BOUNDARY_SINGLE_CACHELINE;
13623 #else
13624         goal = 0;
13625 #endif
13626 #endif
13627
13628         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13629             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
13630                 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13631                 goto out;
13632         }
13633
13634         if (!goal)
13635                 goto out;
13636
13637         /* PCI controllers on most RISC systems tend to disconnect
13638          * when a device tries to burst across a cache-line boundary.
13639          * Therefore, letting tg3 do so just wastes PCI bandwidth.
13640          *
13641          * Unfortunately, for PCI-E there are only limited
13642          * write-side controls for this, and thus for reads
13643          * we will still get the disconnects.  We'll also waste
13644          * these PCI cycles for both read and write for chips
13645          * other than 5700 and 5701 which do not implement the
13646          * boundary bits.
13647          */
13648         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13649             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13650                 switch (cacheline_size) {
13651                 case 16:
13652                 case 32:
13653                 case 64:
13654                 case 128:
13655                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13656                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13657                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13658                         } else {
13659                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13660                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13661                         }
13662                         break;
13663
13664                 case 256:
13665                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13666                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13667                         break;
13668
13669                 default:
13670                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13671                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13672                         break;
13673                 }
13674         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13675                 switch (cacheline_size) {
13676                 case 16:
13677                 case 32:
13678                 case 64:
13679                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13680                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13681                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13682                                 break;
13683                         }
13684                         /* fallthrough */
13685                 case 128:
13686                 default:
13687                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13688                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13689                         break;
13690                 }
13691         } else {
13692                 switch (cacheline_size) {
13693                 case 16:
13694                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13695                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13696                                         DMA_RWCTRL_WRITE_BNDRY_16);
13697                                 break;
13698                         }
13699                         /* fallthrough */
13700                 case 32:
13701                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13702                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13703                                         DMA_RWCTRL_WRITE_BNDRY_32);
13704                                 break;
13705                         }
13706                         /* fallthrough */
13707                 case 64:
13708                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13709                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13710                                         DMA_RWCTRL_WRITE_BNDRY_64);
13711                                 break;
13712                         }
13713                         /* fallthrough */
13714                 case 128:
13715                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
13716                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13717                                         DMA_RWCTRL_WRITE_BNDRY_128);
13718                                 break;
13719                         }
13720                         /* fallthrough */
13721                 case 256:
13722                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
13723                                 DMA_RWCTRL_WRITE_BNDRY_256);
13724                         break;
13725                 case 512:
13726                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
13727                                 DMA_RWCTRL_WRITE_BNDRY_512);
13728                         break;
13729                 case 1024:
13730                 default:
13731                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13732                                 DMA_RWCTRL_WRITE_BNDRY_1024);
13733                         break;
13734                 }
13735         }
13736
13737 out:
13738         return val;
13739 }
13740
13741 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13742 {
13743         struct tg3_internal_buffer_desc test_desc;
13744         u32 sram_dma_descs;
13745         int i, ret;
13746
13747         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13748
13749         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13750         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13751         tw32(RDMAC_STATUS, 0);
13752         tw32(WDMAC_STATUS, 0);
13753
13754         tw32(BUFMGR_MODE, 0);
13755         tw32(FTQ_RESET, 0);
13756
13757         test_desc.addr_hi = ((u64) buf_dma) >> 32;
13758         test_desc.addr_lo = buf_dma & 0xffffffff;
13759         test_desc.nic_mbuf = 0x00002100;
13760         test_desc.len = size;
13761
13762         /*
13763          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13764          * the *second* time the tg3 driver was getting loaded after an
13765          * initial scan.
13766          *
13767          * Broadcom tells me:
13768          *   ...the DMA engine is connected to the GRC block and a DMA
13769          *   reset may affect the GRC block in some unpredictable way...
13770          *   The behavior of resets to individual blocks has not been tested.
13771          *
13772          * Broadcom noted the GRC reset will also reset all sub-components.
13773          */
13774         if (to_device) {
13775                 test_desc.cqid_sqid = (13 << 8) | 2;
13776
13777                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13778                 udelay(40);
13779         } else {
13780                 test_desc.cqid_sqid = (16 << 8) | 7;
13781
13782                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13783                 udelay(40);
13784         }
13785         test_desc.flags = 0x00000005;
13786
13787         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13788                 u32 val;
13789
13790                 val = *(((u32 *)&test_desc) + i);
13791                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13792                                        sram_dma_descs + (i * sizeof(u32)));
13793                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13794         }
13795         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13796
13797         if (to_device)
13798                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13799         else
13800                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13801
13802         ret = -ENODEV;
13803         for (i = 0; i < 40; i++) {
13804                 u32 val;
13805
13806                 if (to_device)
13807                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13808                 else
13809                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13810                 if ((val & 0xffff) == sram_dma_descs) {
13811                         ret = 0;
13812                         break;
13813                 }
13814
13815                 udelay(100);
13816         }
13817
13818         return ret;
13819 }
13820
13821 #define TEST_BUFFER_SIZE        0x2000
13822
13823 static int __devinit tg3_test_dma(struct tg3 *tp)
13824 {
13825         dma_addr_t buf_dma;
13826         u32 *buf, saved_dma_rwctrl;
13827         int ret = 0;
13828
13829         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13830         if (!buf) {
13831                 ret = -ENOMEM;
13832                 goto out_nofree;
13833         }
13834
13835         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13836                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13837
13838         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
13839
13840         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13841             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13842                 goto out;
13843
13844         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13845                 /* DMA read watermark not used on PCIE */
13846                 tp->dma_rwctrl |= 0x00180000;
13847         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
13848                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13849                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
13850                         tp->dma_rwctrl |= 0x003f0000;
13851                 else
13852                         tp->dma_rwctrl |= 0x003f000f;
13853         } else {
13854                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13855                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13856                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
13857                         u32 read_water = 0x7;
13858
13859                         /* If the 5704 is behind the EPB bridge, we can
13860                          * do the less restrictive ONE_DMA workaround for
13861                          * better performance.
13862                          */
13863                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13864                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13865                                 tp->dma_rwctrl |= 0x8000;
13866                         else if (ccval == 0x6 || ccval == 0x7)
13867                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13868
13869                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13870                                 read_water = 4;
13871                         /* Set bit 23 to enable PCIX hw bug fix */
13872                         tp->dma_rwctrl |=
13873                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13874                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13875                                 (1 << 23);
13876                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13877                         /* 5780 always in PCIX mode */
13878                         tp->dma_rwctrl |= 0x00144000;
13879                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13880                         /* 5714 always in PCIX mode */
13881                         tp->dma_rwctrl |= 0x00148000;
13882                 } else {
13883                         tp->dma_rwctrl |= 0x001b000f;
13884                 }
13885         }
13886
13887         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13888             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13889                 tp->dma_rwctrl &= 0xfffffff0;
13890
13891         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13892             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13893                 /* Remove this if it causes problems for some boards. */
13894                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13895
13896                 /* On 5700/5701 chips, we need to set this bit.
13897                  * Otherwise the chip will issue cacheline transactions
13898                  * to streamable DMA memory with not all the byte
13899                  * enables turned on.  This is an error on several
13900                  * RISC PCI controllers, in particular sparc64.
13901                  *
13902                  * On 5703/5704 chips, this bit has been reassigned
13903                  * a different meaning.  In particular, it is used
13904                  * on those chips to enable a PCI-X workaround.
13905                  */
13906                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
13907         }
13908
13909         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13910
13911 #if 0
13912         /* Unneeded, already done by tg3_get_invariants.  */
13913         tg3_switch_clocks(tp);
13914 #endif
13915
13916         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13917             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
13918                 goto out;
13919
13920         /* It is best to perform DMA test with maximum write burst size
13921          * to expose the 5700/5701 write DMA bug.
13922          */
13923         saved_dma_rwctrl = tp->dma_rwctrl;
13924         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13925         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13926
13927         while (1) {
13928                 u32 *p = buf, i;
13929
13930                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
13931                         p[i] = i;
13932
13933                 /* Send the buffer to the chip. */
13934                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
13935                 if (ret) {
13936                         dev_err(&tp->pdev->dev,
13937                                 "%s: Buffer write failed. err = %d\n",
13938                                 __func__, ret);
13939                         break;
13940                 }
13941
13942 #if 0
13943                 /* validate data reached card RAM correctly. */
13944                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13945                         u32 val;
13946                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
13947                         if (le32_to_cpu(val) != p[i]) {
13948                                 dev_err(&tp->pdev->dev,
13949                                         "%s: Buffer corrupted on device! "
13950                                         "(%d != %d)\n", __func__, val, i);
13951                                 /* ret = -ENODEV here? */
13952                         }
13953                         p[i] = 0;
13954                 }
13955 #endif
13956                 /* Now read it back. */
13957                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
13958                 if (ret) {
13959                         dev_err(&tp->pdev->dev, "%s: Buffer read failed. "
13960                                 "err = %d\n", __func__, ret);
13961                         break;
13962                 }
13963
13964                 /* Verify it. */
13965                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13966                         if (p[i] == i)
13967                                 continue;
13968
13969                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13970                             DMA_RWCTRL_WRITE_BNDRY_16) {
13971                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13972                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13973                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13974                                 break;
13975                         } else {
13976                                 dev_err(&tp->pdev->dev,
13977                                         "%s: Buffer corrupted on read back! "
13978                                         "(%d != %d)\n", __func__, p[i], i);
13979                                 ret = -ENODEV;
13980                                 goto out;
13981                         }
13982                 }
13983
13984                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
13985                         /* Success. */
13986                         ret = 0;
13987                         break;
13988                 }
13989         }
13990         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13991             DMA_RWCTRL_WRITE_BNDRY_16) {
13992                 static struct pci_device_id dma_wait_state_chipsets[] = {
13993                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
13994                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
13995                         { },
13996                 };
13997
13998                 /* DMA test passed without adjusting DMA boundary,
13999                  * now look for chipsets that are known to expose the
14000                  * DMA bug without failing the test.
14001                  */
14002                 if (pci_dev_present(dma_wait_state_chipsets)) {
14003                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14004                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14005                 } else {
14006                         /* Safe to use the calculated DMA boundary. */
14007                         tp->dma_rwctrl = saved_dma_rwctrl;
14008                 }
14009
14010                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14011         }
14012
14013 out:
14014         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14015 out_nofree:
14016         return ret;
14017 }
14018
14019 static void __devinit tg3_init_link_config(struct tg3 *tp)
14020 {
14021         tp->link_config.advertising =
14022                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14023                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14024                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14025                  ADVERTISED_Autoneg | ADVERTISED_MII);
14026         tp->link_config.speed = SPEED_INVALID;
14027         tp->link_config.duplex = DUPLEX_INVALID;
14028         tp->link_config.autoneg = AUTONEG_ENABLE;
14029         tp->link_config.active_speed = SPEED_INVALID;
14030         tp->link_config.active_duplex = DUPLEX_INVALID;
14031         tp->link_config.phy_is_low_power = 0;
14032         tp->link_config.orig_speed = SPEED_INVALID;
14033         tp->link_config.orig_duplex = DUPLEX_INVALID;
14034         tp->link_config.orig_autoneg = AUTONEG_INVALID;
14035 }
14036
14037 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14038 {
14039         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
14040             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
14041                 tp->bufmgr_config.mbuf_read_dma_low_water =
14042                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14043                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14044                         DEFAULT_MB_MACRX_LOW_WATER_57765;
14045                 tp->bufmgr_config.mbuf_high_water =
14046                         DEFAULT_MB_HIGH_WATER_57765;
14047
14048                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14049                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14050                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14051                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14052                 tp->bufmgr_config.mbuf_high_water_jumbo =
14053                         DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14054         } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14055                 tp->bufmgr_config.mbuf_read_dma_low_water =
14056                         DEFAULT_MB_RDMA_LOW_WATER_5705;
14057                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14058                         DEFAULT_MB_MACRX_LOW_WATER_5705;
14059                 tp->bufmgr_config.mbuf_high_water =
14060                         DEFAULT_MB_HIGH_WATER_5705;
14061                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14062                         tp->bufmgr_config.mbuf_mac_rx_low_water =
14063                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
14064                         tp->bufmgr_config.mbuf_high_water =
14065                                 DEFAULT_MB_HIGH_WATER_5906;
14066                 }
14067
14068                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14069                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14070                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14071                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14072                 tp->bufmgr_config.mbuf_high_water_jumbo =
14073                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14074         } else {
14075                 tp->bufmgr_config.mbuf_read_dma_low_water =
14076                         DEFAULT_MB_RDMA_LOW_WATER;
14077                 tp->bufmgr_config.mbuf_mac_rx_low_water =
14078                         DEFAULT_MB_MACRX_LOW_WATER;
14079                 tp->bufmgr_config.mbuf_high_water =
14080                         DEFAULT_MB_HIGH_WATER;
14081
14082                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14083                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14084                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14085                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14086                 tp->bufmgr_config.mbuf_high_water_jumbo =
14087                         DEFAULT_MB_HIGH_WATER_JUMBO;
14088         }
14089
14090         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14091         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14092 }
14093
14094 static char * __devinit tg3_phy_string(struct tg3 *tp)
14095 {
14096         switch (tp->phy_id & TG3_PHY_ID_MASK) {
14097         case TG3_PHY_ID_BCM5400:        return "5400";
14098         case TG3_PHY_ID_BCM5401:        return "5401";
14099         case TG3_PHY_ID_BCM5411:        return "5411";
14100         case TG3_PHY_ID_BCM5701:        return "5701";
14101         case TG3_PHY_ID_BCM5703:        return "5703";
14102         case TG3_PHY_ID_BCM5704:        return "5704";
14103         case TG3_PHY_ID_BCM5705:        return "5705";
14104         case TG3_PHY_ID_BCM5750:        return "5750";
14105         case TG3_PHY_ID_BCM5752:        return "5752";
14106         case TG3_PHY_ID_BCM5714:        return "5714";
14107         case TG3_PHY_ID_BCM5780:        return "5780";
14108         case TG3_PHY_ID_BCM5755:        return "5755";
14109         case TG3_PHY_ID_BCM5787:        return "5787";
14110         case TG3_PHY_ID_BCM5784:        return "5784";
14111         case TG3_PHY_ID_BCM5756:        return "5722/5756";
14112         case TG3_PHY_ID_BCM5906:        return "5906";
14113         case TG3_PHY_ID_BCM5761:        return "5761";
14114         case TG3_PHY_ID_BCM5718C:       return "5718C";
14115         case TG3_PHY_ID_BCM5718S:       return "5718S";
14116         case TG3_PHY_ID_BCM57765:       return "57765";
14117         case TG3_PHY_ID_BCM8002:        return "8002/serdes";
14118         case 0:                 return "serdes";
14119         default:                return "unknown";
14120         }
14121 }
14122
14123 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14124 {
14125         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14126                 strcpy(str, "PCI Express");
14127                 return str;
14128         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14129                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14130
14131                 strcpy(str, "PCIX:");
14132
14133                 if ((clock_ctrl == 7) ||
14134                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14135                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14136                         strcat(str, "133MHz");
14137                 else if (clock_ctrl == 0)
14138                         strcat(str, "33MHz");
14139                 else if (clock_ctrl == 2)
14140                         strcat(str, "50MHz");
14141                 else if (clock_ctrl == 4)
14142                         strcat(str, "66MHz");
14143                 else if (clock_ctrl == 6)
14144                         strcat(str, "100MHz");
14145         } else {
14146                 strcpy(str, "PCI:");
14147                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14148                         strcat(str, "66MHz");
14149                 else
14150                         strcat(str, "33MHz");
14151         }
14152         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14153                 strcat(str, ":32-bit");
14154         else
14155                 strcat(str, ":64-bit");
14156         return str;
14157 }
14158
14159 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14160 {
14161         struct pci_dev *peer;
14162         unsigned int func, devnr = tp->pdev->devfn & ~7;
14163
14164         for (func = 0; func < 8; func++) {
14165                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14166                 if (peer && peer != tp->pdev)
14167                         break;
14168                 pci_dev_put(peer);
14169         }
14170         /* 5704 can be configured in single-port mode, set peer to
14171          * tp->pdev in that case.
14172          */
14173         if (!peer) {
14174                 peer = tp->pdev;
14175                 return peer;
14176         }
14177
14178         /*
14179          * We don't need to keep the refcount elevated; there's no way
14180          * to remove one half of this device without removing the other
14181          */
14182         pci_dev_put(peer);
14183
14184         return peer;
14185 }
14186
14187 static void __devinit tg3_init_coal(struct tg3 *tp)
14188 {
14189         struct ethtool_coalesce *ec = &tp->coal;
14190
14191         memset(ec, 0, sizeof(*ec));
14192         ec->cmd = ETHTOOL_GCOALESCE;
14193         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14194         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14195         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14196         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14197         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14198         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14199         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14200         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14201         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14202
14203         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14204                                  HOSTCC_MODE_CLRTICK_TXBD)) {
14205                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14206                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14207                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14208                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14209         }
14210
14211         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14212                 ec->rx_coalesce_usecs_irq = 0;
14213                 ec->tx_coalesce_usecs_irq = 0;
14214                 ec->stats_block_coalesce_usecs = 0;
14215         }
14216 }
14217
14218 static const struct net_device_ops tg3_netdev_ops = {
14219         .ndo_open               = tg3_open,
14220         .ndo_stop               = tg3_close,
14221         .ndo_start_xmit         = tg3_start_xmit,
14222         .ndo_get_stats          = tg3_get_stats,
14223         .ndo_validate_addr      = eth_validate_addr,
14224         .ndo_set_multicast_list = tg3_set_rx_mode,
14225         .ndo_set_mac_address    = tg3_set_mac_addr,
14226         .ndo_do_ioctl           = tg3_ioctl,
14227         .ndo_tx_timeout         = tg3_tx_timeout,
14228         .ndo_change_mtu         = tg3_change_mtu,
14229 #if TG3_VLAN_TAG_USED
14230         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14231 #endif
14232 #ifdef CONFIG_NET_POLL_CONTROLLER
14233         .ndo_poll_controller    = tg3_poll_controller,
14234 #endif
14235 };
14236
14237 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14238         .ndo_open               = tg3_open,
14239         .ndo_stop               = tg3_close,
14240         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
14241         .ndo_get_stats          = tg3_get_stats,
14242         .ndo_validate_addr      = eth_validate_addr,
14243         .ndo_set_multicast_list = tg3_set_rx_mode,
14244         .ndo_set_mac_address    = tg3_set_mac_addr,
14245         .ndo_do_ioctl           = tg3_ioctl,
14246         .ndo_tx_timeout         = tg3_tx_timeout,
14247         .ndo_change_mtu         = tg3_change_mtu,
14248 #if TG3_VLAN_TAG_USED
14249         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
14250 #endif
14251 #ifdef CONFIG_NET_POLL_CONTROLLER
14252         .ndo_poll_controller    = tg3_poll_controller,
14253 #endif
14254 };
14255
14256 static int __devinit tg3_init_one(struct pci_dev *pdev,
14257                                   const struct pci_device_id *ent)
14258 {
14259         struct net_device *dev;
14260         struct tg3 *tp;
14261         int i, err, pm_cap;
14262         u32 sndmbx, rcvmbx, intmbx;
14263         char str[40];
14264         u64 dma_mask, persist_dma_mask;
14265
14266         printk_once(KERN_INFO "%s\n", version);
14267
14268         err = pci_enable_device(pdev);
14269         if (err) {
14270                 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
14271                 return err;
14272         }
14273
14274         err = pci_request_regions(pdev, DRV_MODULE_NAME);
14275         if (err) {
14276                 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
14277                 goto err_out_disable_pdev;
14278         }
14279
14280         pci_set_master(pdev);
14281
14282         /* Find power-management capability. */
14283         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14284         if (pm_cap == 0) {
14285                 dev_err(&pdev->dev,
14286                         "Cannot find Power Management capability, aborting\n");
14287                 err = -EIO;
14288                 goto err_out_free_res;
14289         }
14290
14291         dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14292         if (!dev) {
14293                 dev_err(&pdev->dev, "Etherdev alloc failed, aborting\n");
14294                 err = -ENOMEM;
14295                 goto err_out_free_res;
14296         }
14297
14298         SET_NETDEV_DEV(dev, &pdev->dev);
14299
14300 #if TG3_VLAN_TAG_USED
14301         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14302 #endif
14303
14304         tp = netdev_priv(dev);
14305         tp->pdev = pdev;
14306         tp->dev = dev;
14307         tp->pm_cap = pm_cap;
14308         tp->rx_mode = TG3_DEF_RX_MODE;
14309         tp->tx_mode = TG3_DEF_TX_MODE;
14310
14311         if (tg3_debug > 0)
14312                 tp->msg_enable = tg3_debug;
14313         else
14314                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14315
14316         /* The word/byte swap controls here control register access byte
14317          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
14318          * setting below.
14319          */
14320         tp->misc_host_ctrl =
14321                 MISC_HOST_CTRL_MASK_PCI_INT |
14322                 MISC_HOST_CTRL_WORD_SWAP |
14323                 MISC_HOST_CTRL_INDIR_ACCESS |
14324                 MISC_HOST_CTRL_PCISTATE_RW;
14325
14326         /* The NONFRM (non-frame) byte/word swap controls take effect
14327          * on descriptor entries, anything which isn't packet data.
14328          *
14329          * The StrongARM chips on the board (one for tx, one for rx)
14330          * are running in big-endian mode.
14331          */
14332         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14333                         GRC_MODE_WSWAP_NONFRM_DATA);
14334 #ifdef __BIG_ENDIAN
14335         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14336 #endif
14337         spin_lock_init(&tp->lock);
14338         spin_lock_init(&tp->indirect_lock);
14339         INIT_WORK(&tp->reset_task, tg3_reset_task);
14340
14341         tp->regs = pci_ioremap_bar(pdev, BAR_0);
14342         if (!tp->regs) {
14343                 dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
14344                 err = -ENOMEM;
14345                 goto err_out_free_dev;
14346         }
14347
14348         tg3_init_link_config(tp);
14349
14350         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14351         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14352
14353         dev->ethtool_ops = &tg3_ethtool_ops;
14354         dev->watchdog_timeo = TG3_TX_TIMEOUT;
14355         dev->irq = pdev->irq;
14356
14357         err = tg3_get_invariants(tp);
14358         if (err) {
14359                 dev_err(&pdev->dev,
14360                         "Problem fetching invariants of chip, aborting\n");
14361                 goto err_out_iounmap;
14362         }
14363
14364         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14365             tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
14366                 dev->netdev_ops = &tg3_netdev_ops;
14367         else
14368                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14369
14370
14371         /* The EPB bridge inside 5714, 5715, and 5780 and any
14372          * device behind the EPB cannot support DMA addresses > 40-bit.
14373          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14374          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14375          * do DMA address check in tg3_start_xmit().
14376          */
14377         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14378                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14379         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14380                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14381 #ifdef CONFIG_HIGHMEM
14382                 dma_mask = DMA_BIT_MASK(64);
14383 #endif
14384         } else
14385                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14386
14387         /* Configure DMA attributes. */
14388         if (dma_mask > DMA_BIT_MASK(32)) {
14389                 err = pci_set_dma_mask(pdev, dma_mask);
14390                 if (!err) {
14391                         dev->features |= NETIF_F_HIGHDMA;
14392                         err = pci_set_consistent_dma_mask(pdev,
14393                                                           persist_dma_mask);
14394                         if (err < 0) {
14395                                 dev_err(&pdev->dev, "Unable to obtain 64 bit "
14396                                         "DMA for consistent allocations\n");
14397                                 goto err_out_iounmap;
14398                         }
14399                 }
14400         }
14401         if (err || dma_mask == DMA_BIT_MASK(32)) {
14402                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14403                 if (err) {
14404                         dev_err(&pdev->dev,
14405                                 "No usable DMA configuration, aborting\n");
14406                         goto err_out_iounmap;
14407                 }
14408         }
14409
14410         tg3_init_bufmgr_config(tp);
14411
14412         /* Selectively allow TSO based on operating conditions */
14413         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14414             (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14415                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14416         else {
14417                 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14418                 tp->fw_needed = NULL;
14419         }
14420
14421         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14422                 tp->fw_needed = FIRMWARE_TG3;
14423
14424         /* TSO is on by default on chips that support hardware TSO.
14425          * Firmware TSO on older chips gives lower performance, so it
14426          * is off by default, but can be enabled using ethtool.
14427          */
14428         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14429             (dev->features & NETIF_F_IP_CSUM))
14430                 dev->features |= NETIF_F_TSO;
14431
14432         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14433             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14434                 if (dev->features & NETIF_F_IPV6_CSUM)
14435                         dev->features |= NETIF_F_TSO6;
14436                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14437                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14438                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14439                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14440                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14441                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
14442                         dev->features |= NETIF_F_TSO_ECN;
14443         }
14444
14445         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14446             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14447             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14448                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14449                 tp->rx_pending = 63;
14450         }
14451
14452         err = tg3_get_device_address(tp);
14453         if (err) {
14454                 dev_err(&pdev->dev,
14455                         "Could not obtain valid ethernet address, aborting\n");
14456                 goto err_out_iounmap;
14457         }
14458
14459         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14460                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14461                 if (!tp->aperegs) {
14462                         dev_err(&pdev->dev,
14463                                 "Cannot map APE registers, aborting\n");
14464                         err = -ENOMEM;
14465                         goto err_out_iounmap;
14466                 }
14467
14468                 tg3_ape_lock_init(tp);
14469
14470                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14471                         tg3_read_dash_ver(tp);
14472         }
14473
14474         /*
14475          * Reset chip in case UNDI or EFI driver did not shutdown
14476          * DMA self test will enable WDMAC and we'll see (spurious)
14477          * pending DMA on the PCI bus at that point.
14478          */
14479         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14480             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14481                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14482                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14483         }
14484
14485         err = tg3_test_dma(tp);
14486         if (err) {
14487                 dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
14488                 goto err_out_apeunmap;
14489         }
14490
14491         /* flow control autonegotiation is default behavior */
14492         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14493         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14494
14495         intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14496         rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14497         sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14498         for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14499                 struct tg3_napi *tnapi = &tp->napi[i];
14500
14501                 tnapi->tp = tp;
14502                 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14503
14504                 tnapi->int_mbox = intmbx;
14505                 if (i < 4)
14506                         intmbx += 0x8;
14507                 else
14508                         intmbx += 0x4;
14509
14510                 tnapi->consmbox = rcvmbx;
14511                 tnapi->prodmbox = sndmbx;
14512
14513                 if (i) {
14514                         tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14515                         netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14516                 } else {
14517                         tnapi->coal_now = HOSTCC_MODE_NOW;
14518                         netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14519                 }
14520
14521                 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14522                         break;
14523
14524                 /*
14525                  * If we support MSIX, we'll be using RSS.  If we're using
14526                  * RSS, the first vector only handles link interrupts and the
14527                  * remaining vectors handle rx and tx interrupts.  Reuse the
14528                  * mailbox values for the next iteration.  The values we setup
14529                  * above are still useful for the single vectored mode.
14530                  */
14531                 if (!i)
14532                         continue;
14533
14534                 rcvmbx += 0x8;
14535
14536                 if (sndmbx & 0x4)
14537                         sndmbx -= 0x4;
14538                 else
14539                         sndmbx += 0xc;
14540         }
14541
14542         tg3_init_coal(tp);
14543
14544         pci_set_drvdata(pdev, dev);
14545
14546         err = register_netdev(dev);
14547         if (err) {
14548                 dev_err(&pdev->dev, "Cannot register net device, aborting\n");
14549                 goto err_out_apeunmap;
14550         }
14551
14552         netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14553                     tp->board_part_number,
14554                     tp->pci_chip_rev_id,
14555                     tg3_bus_string(tp, str),
14556                     dev->dev_addr);
14557
14558         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14559                 struct phy_device *phydev;
14560                 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14561                 netdev_info(dev,
14562                             "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14563                             phydev->drv->name, dev_name(&phydev->dev));
14564         } else
14565                 netdev_info(dev, "attached PHY is %s (%s Ethernet) "
14566                             "(WireSpeed[%d])\n", tg3_phy_string(tp),
14567                             ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14568                              ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14569                               "10/100/1000Base-T")),
14570                             (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14571
14572         netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14573                     (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14574                     (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14575                     (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14576                     (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14577                     (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14578         netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14579                     tp->dma_rwctrl,
14580                     pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
14581                     ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
14582
14583         return 0;
14584
14585 err_out_apeunmap:
14586         if (tp->aperegs) {
14587                 iounmap(tp->aperegs);
14588                 tp->aperegs = NULL;
14589         }
14590
14591 err_out_iounmap:
14592         if (tp->regs) {
14593                 iounmap(tp->regs);
14594                 tp->regs = NULL;
14595         }
14596
14597 err_out_free_dev:
14598         free_netdev(dev);
14599
14600 err_out_free_res:
14601         pci_release_regions(pdev);
14602
14603 err_out_disable_pdev:
14604         pci_disable_device(pdev);
14605         pci_set_drvdata(pdev, NULL);
14606         return err;
14607 }
14608
14609 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14610 {
14611         struct net_device *dev = pci_get_drvdata(pdev);
14612
14613         if (dev) {
14614                 struct tg3 *tp = netdev_priv(dev);
14615
14616                 if (tp->fw)
14617                         release_firmware(tp->fw);
14618
14619                 flush_scheduled_work();
14620
14621                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14622                         tg3_phy_fini(tp);
14623                         tg3_mdio_fini(tp);
14624                 }
14625
14626                 unregister_netdev(dev);
14627                 if (tp->aperegs) {
14628                         iounmap(tp->aperegs);
14629                         tp->aperegs = NULL;
14630                 }
14631                 if (tp->regs) {
14632                         iounmap(tp->regs);
14633                         tp->regs = NULL;
14634                 }
14635                 free_netdev(dev);
14636                 pci_release_regions(pdev);
14637                 pci_disable_device(pdev);
14638                 pci_set_drvdata(pdev, NULL);
14639         }
14640 }
14641
14642 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14643 {
14644         struct net_device *dev = pci_get_drvdata(pdev);
14645         struct tg3 *tp = netdev_priv(dev);
14646         pci_power_t target_state;
14647         int err;
14648
14649         /* PCI register 4 needs to be saved whether netif_running() or not.
14650          * MSI address and data need to be saved if using MSI and
14651          * netif_running().
14652          */
14653         pci_save_state(pdev);
14654
14655         if (!netif_running(dev))
14656                 return 0;
14657
14658         flush_scheduled_work();
14659         tg3_phy_stop(tp);
14660         tg3_netif_stop(tp);
14661
14662         del_timer_sync(&tp->timer);
14663
14664         tg3_full_lock(tp, 1);
14665         tg3_disable_ints(tp);
14666         tg3_full_unlock(tp);
14667
14668         netif_device_detach(dev);
14669
14670         tg3_full_lock(tp, 0);
14671         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14672         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14673         tg3_full_unlock(tp);
14674
14675         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14676
14677         err = tg3_set_power_state(tp, target_state);
14678         if (err) {
14679                 int err2;
14680
14681                 tg3_full_lock(tp, 0);
14682
14683                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14684                 err2 = tg3_restart_hw(tp, 1);
14685                 if (err2)
14686                         goto out;
14687
14688                 tp->timer.expires = jiffies + tp->timer_offset;
14689                 add_timer(&tp->timer);
14690
14691                 netif_device_attach(dev);
14692                 tg3_netif_start(tp);
14693
14694 out:
14695                 tg3_full_unlock(tp);
14696
14697                 if (!err2)
14698                         tg3_phy_start(tp);
14699         }
14700
14701         return err;
14702 }
14703
14704 static int tg3_resume(struct pci_dev *pdev)
14705 {
14706         struct net_device *dev = pci_get_drvdata(pdev);
14707         struct tg3 *tp = netdev_priv(dev);
14708         int err;
14709
14710         pci_restore_state(tp->pdev);
14711
14712         if (!netif_running(dev))
14713                 return 0;
14714
14715         err = tg3_set_power_state(tp, PCI_D0);
14716         if (err)
14717                 return err;
14718
14719         netif_device_attach(dev);
14720
14721         tg3_full_lock(tp, 0);
14722
14723         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14724         err = tg3_restart_hw(tp, 1);
14725         if (err)
14726                 goto out;
14727
14728         tp->timer.expires = jiffies + tp->timer_offset;
14729         add_timer(&tp->timer);
14730
14731         tg3_netif_start(tp);
14732
14733 out:
14734         tg3_full_unlock(tp);
14735
14736         if (!err)
14737                 tg3_phy_start(tp);
14738
14739         return err;
14740 }
14741
14742 static struct pci_driver tg3_driver = {
14743         .name           = DRV_MODULE_NAME,
14744         .id_table       = tg3_pci_tbl,
14745         .probe          = tg3_init_one,
14746         .remove         = __devexit_p(tg3_remove_one),
14747         .suspend        = tg3_suspend,
14748         .resume         = tg3_resume
14749 };
14750
14751 static int __init tg3_init(void)
14752 {
14753         return pci_register_driver(&tg3_driver);
14754 }
14755
14756 static void __exit tg3_cleanup(void)
14757 {
14758         pci_unregister_driver(&tg3_driver);
14759 }
14760
14761 module_init(tg3_init);
14762 module_exit(tg3_cleanup);