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 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  10  *      Derived from proprietary unpublished source code,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/if_vlan.h>
  36 #include <linux/ip.h>
  37 #include <linux/tcp.h>
  38 #include <linux/workqueue.h>
  39 #include <linux/prefetch.h>
  40 #include <linux/dma-mapping.h>
  41
  42 #include <net/checksum.h>
  43
  44 #include <asm/system.h>
  45 #include <asm/io.h>
  46 #include <asm/byteorder.h>
  47 #include <asm/uaccess.h>
  48
  49 #ifdef CONFIG_SPARC64
  50 #include <asm/idprom.h>
  51 #include <asm/oplib.h>
  52 #include <asm/pbm.h>
  53 #endif
  54
  55 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  56 #define TG3_VLAN_TAG_USED 1
  57 #else
  58 #define TG3_VLAN_TAG_USED 0
  59 #endif
  60
  61 #ifdef NETIF_F_TSO
  62 #define TG3_TSO_SUPPORT 1
  63 #else
  64 #define TG3_TSO_SUPPORT 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.69"
  72 #define DRV_MODULE_RELDATE      "November 15, 2006"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 105
 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_flags2 & TG3_FLG2_5705_PLUS) ?  512 : 1024)
 114
 115 #define TG3_TX_RING_SIZE                512
 116 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 117
 118 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 119                                  TG3_RX_RING_SIZE)
 120 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
 121                                  TG3_RX_JUMBO_RING_SIZE)
 122 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 123                                    TG3_RX_RCB_RING_SIZE(tp))
 124 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 125                                  TG3_TX_RING_SIZE)
 126 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 127
 128 #define RX_PKT_BUF_SZ           (1536 + tp->rx_offset + 64)
 129 #define RX_JUMBO_PKT_BUF_SZ     (9046 + tp->rx_offset + 64)
 130
 131 /* minimum number of free TX descriptors required to wake up TX process */
 132 #define TG3_TX_WAKEUP_THRESH(tp)                ((tp)->tx_pending / 4)
 133
 134 /* number of ETHTOOL_GSTATS u64's */
 135 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 136
 137 #define TG3_NUM_TEST            6
 138
 139 static char version[] __devinitdata =
 140         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 141
 142 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 143 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 144 MODULE_LICENSE("GPL");
 145 MODULE_VERSION(DRV_MODULE_VERSION);
 146
 147 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 148 module_param(tg3_debug, int, 0);
 149 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 150
 151 static struct pci_device_id tg3_pci_tbl[] = {
 152         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 153         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 154         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 155         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 156         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 157         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 158         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 159         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 160         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 161         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 211         {}
 212 };
 213
 214 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 215
 216 static const struct {
 217         const char string[ETH_GSTRING_LEN];
 218 } ethtool_stats_keys[TG3_NUM_STATS] = {
 219         { "rx_octets" },
 220         { "rx_fragments" },
 221         { "rx_ucast_packets" },
 222         { "rx_mcast_packets" },
 223         { "rx_bcast_packets" },
 224         { "rx_fcs_errors" },
 225         { "rx_align_errors" },
 226         { "rx_xon_pause_rcvd" },
 227         { "rx_xoff_pause_rcvd" },
 228         { "rx_mac_ctrl_rcvd" },
 229         { "rx_xoff_entered" },
 230         { "rx_frame_too_long_errors" },
 231         { "rx_jabbers" },
 232         { "rx_undersize_packets" },
 233         { "rx_in_length_errors" },
 234         { "rx_out_length_errors" },
 235         { "rx_64_or_less_octet_packets" },
 236         { "rx_65_to_127_octet_packets" },
 237         { "rx_128_to_255_octet_packets" },
 238         { "rx_256_to_511_octet_packets" },
 239         { "rx_512_to_1023_octet_packets" },
 240         { "rx_1024_to_1522_octet_packets" },
 241         { "rx_1523_to_2047_octet_packets" },
 242         { "rx_2048_to_4095_octet_packets" },
 243         { "rx_4096_to_8191_octet_packets" },
 244         { "rx_8192_to_9022_octet_packets" },
 245
 246         { "tx_octets" },
 247         { "tx_collisions" },
 248
 249         { "tx_xon_sent" },
 250         { "tx_xoff_sent" },
 251         { "tx_flow_control" },
 252         { "tx_mac_errors" },
 253         { "tx_single_collisions" },
 254         { "tx_mult_collisions" },
 255         { "tx_deferred" },
 256         { "tx_excessive_collisions" },
 257         { "tx_late_collisions" },
 258         { "tx_collide_2times" },
 259         { "tx_collide_3times" },
 260         { "tx_collide_4times" },
 261         { "tx_collide_5times" },
 262         { "tx_collide_6times" },
 263         { "tx_collide_7times" },
 264         { "tx_collide_8times" },
 265         { "tx_collide_9times" },
 266         { "tx_collide_10times" },
 267         { "tx_collide_11times" },
 268         { "tx_collide_12times" },
 269         { "tx_collide_13times" },
 270         { "tx_collide_14times" },
 271         { "tx_collide_15times" },
 272         { "tx_ucast_packets" },
 273         { "tx_mcast_packets" },
 274         { "tx_bcast_packets" },
 275         { "tx_carrier_sense_errors" },
 276         { "tx_discards" },
 277         { "tx_errors" },
 278
 279         { "dma_writeq_full" },
 280         { "dma_write_prioq_full" },
 281         { "rxbds_empty" },
 282         { "rx_discards" },
 283         { "rx_errors" },
 284         { "rx_threshold_hit" },
 285
 286         { "dma_readq_full" },
 287         { "dma_read_prioq_full" },
 288         { "tx_comp_queue_full" },
 289
 290         { "ring_set_send_prod_index" },
 291         { "ring_status_update" },
 292         { "nic_irqs" },
 293         { "nic_avoided_irqs" },
 294         { "nic_tx_threshold_hit" }
 295 };
 296
 297 static const struct {
 298         const char string[ETH_GSTRING_LEN];
 299 } ethtool_test_keys[TG3_NUM_TEST] = {
 300         { "nvram test     (online) " },
 301         { "link test      (online) " },
 302         { "register test  (offline)" },
 303         { "memory test    (offline)" },
 304         { "loopback test  (offline)" },
 305         { "interrupt test (offline)" },
 306 };
 307
 308 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 309 {
 310         writel(val, tp->regs + off);
 311 }
 312
 313 static u32 tg3_read32(struct tg3 *tp, u32 off)
 314 {
 315         return (readl(tp->regs + off));
 316 }
 317
 318 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 319 {
 320         unsigned long flags;
 321
 322         spin_lock_irqsave(&tp->indirect_lock, flags);
 323         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 324         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 325         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 326 }
 327
 328 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 329 {
 330         writel(val, tp->regs + off);
 331         readl(tp->regs + off);
 332 }
 333
 334 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 335 {
 336         unsigned long flags;
 337         u32 val;
 338
 339         spin_lock_irqsave(&tp->indirect_lock, flags);
 340         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 341         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 342         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 343         return val;
 344 }
 345
 346 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 347 {
 348         unsigned long flags;
 349
 350         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 351                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 352                                        TG3_64BIT_REG_LOW, val);
 353                 return;
 354         }
 355         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 356                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 357                                        TG3_64BIT_REG_LOW, val);
 358                 return;
 359         }
 360
 361         spin_lock_irqsave(&tp->indirect_lock, flags);
 362         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 363         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 364         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 365
 366         /* In indirect mode when disabling interrupts, we also need
 367          * to clear the interrupt bit in the GRC local ctrl register.
 368          */
 369         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 370             (val == 0x1)) {
 371                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 372                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 373         }
 374 }
 375
 376 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 377 {
 378         unsigned long flags;
 379         u32 val;
 380
 381         spin_lock_irqsave(&tp->indirect_lock, flags);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 383         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 384         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 385         return val;
 386 }
 387
 388 /* usec_wait specifies the wait time in usec when writing to certain registers
 389  * where it is unsafe to read back the register without some delay.
 390  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 391  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 392  */
 393 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 394 {
 395         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 396             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 397                 /* Non-posted methods */
 398                 tp->write32(tp, off, val);
 399         else {
 400                 /* Posted method */
 401                 tg3_write32(tp, off, val);
 402                 if (usec_wait)
 403                         udelay(usec_wait);
 404                 tp->read32(tp, off);
 405         }
 406         /* Wait again after the read for the posted method to guarantee that
 407          * the wait time is met.
 408          */
 409         if (usec_wait)
 410                 udelay(usec_wait);
 411 }
 412
 413 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 414 {
 415         tp->write32_mbox(tp, off, val);
 416         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 417             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 418                 tp->read32_mbox(tp, off);
 419 }
 420
 421 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 422 {
 423         void __iomem *mbox = tp->regs + off;
 424         writel(val, mbox);
 425         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 426                 writel(val, mbox);
 427         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 428                 readl(mbox);
 429 }
 430
 431 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 432 {
 433         return (readl(tp->regs + off + GRCMBOX_BASE));
 434 }
 435
 436 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 437 {
 438         writel(val, tp->regs + off + GRCMBOX_BASE);
 439 }
 440
 441 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 442 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 443 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 444 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 445 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 446
 447 #define tw32(reg,val)           tp->write32(tp, reg, val)
 448 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 449 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 450 #define tr32(reg)               tp->read32(tp, reg)
 451
 452 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 453 {
 454         unsigned long flags;
 455
 456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 457             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 458                 return;
 459
 460         spin_lock_irqsave(&tp->indirect_lock, flags);
 461         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 462                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 464
 465                 /* Always leave this as zero. */
 466                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 467         } else {
 468                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 469                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 470
 471                 /* Always leave this as zero. */
 472                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 473         }
 474         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 475 }
 476
 477 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 478 {
 479         unsigned long flags;
 480
 481         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 482             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 483                 *val = 0;
 484                 return;
 485         }
 486
 487         spin_lock_irqsave(&tp->indirect_lock, flags);
 488         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 489                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 490                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 491
 492                 /* Always leave this as zero. */
 493                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 494         } else {
 495                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 497
 498                 /* Always leave this as zero. */
 499                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         }
 501         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 502 }
 503
 504 static void tg3_disable_ints(struct tg3 *tp)
 505 {
 506         tw32(TG3PCI_MISC_HOST_CTRL,
 507              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 508         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 509 }
 510
 511 static inline void tg3_cond_int(struct tg3 *tp)
 512 {
 513         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 514             (tp->hw_status->status & SD_STATUS_UPDATED))
 515                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 516         else
 517                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 518                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 519 }
 520
 521 static void tg3_enable_ints(struct tg3 *tp)
 522 {
 523         tp->irq_sync = 0;
 524         wmb();
 525
 526         tw32(TG3PCI_MISC_HOST_CTRL,
 527              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 528         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 529                        (tp->last_tag << 24));
 530         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 531                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 532                                (tp->last_tag << 24));
 533         tg3_cond_int(tp);
 534 }
 535
 536 static inline unsigned int tg3_has_work(struct tg3 *tp)
 537 {
 538         struct tg3_hw_status *sblk = tp->hw_status;
 539         unsigned int work_exists = 0;
 540
 541         /* check for phy events */
 542         if (!(tp->tg3_flags &
 543               (TG3_FLAG_USE_LINKCHG_REG |
 544                TG3_FLAG_POLL_SERDES))) {
 545                 if (sblk->status & SD_STATUS_LINK_CHG)
 546                         work_exists = 1;
 547         }
 548         /* check for RX/TX work to do */
 549         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 550             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 551                 work_exists = 1;
 552
 553         return work_exists;
 554 }
 555
 556 /* tg3_restart_ints
 557  *  similar to tg3_enable_ints, but it accurately determines whether there
 558  *  is new work pending and can return without flushing the PIO write
 559  *  which reenables interrupts
 560  */
 561 static void tg3_restart_ints(struct tg3 *tp)
 562 {
 563         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 564                      tp->last_tag << 24);
 565         mmiowb();
 566
 567         /* When doing tagged status, this work check is unnecessary.
 568          * The last_tag we write above tells the chip which piece of
 569          * work we've completed.
 570          */
 571         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 572             tg3_has_work(tp))
 573                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 574                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 575 }
 576
 577 static inline void tg3_netif_stop(struct tg3 *tp)
 578 {
 579         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 580         netif_poll_disable(tp->dev);
 581         netif_tx_disable(tp->dev);
 582 }
 583
 584 static inline void tg3_netif_start(struct tg3 *tp)
 585 {
 586         netif_wake_queue(tp->dev);
 587         /* NOTE: unconditional netif_wake_queue is only appropriate
 588          * so long as all callers are assured to have free tx slots
 589          * (such as after tg3_init_hw)
 590          */
 591         netif_poll_enable(tp->dev);
 592         tp->hw_status->status |= SD_STATUS_UPDATED;
 593         tg3_enable_ints(tp);
 594 }
 595
 596 static void tg3_switch_clocks(struct tg3 *tp)
 597 {
 598         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 599         u32 orig_clock_ctrl;
 600
 601         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 602                 return;
 603
 604         orig_clock_ctrl = clock_ctrl;
 605         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 606                        CLOCK_CTRL_CLKRUN_OENABLE |
 607                        0x1f);
 608         tp->pci_clock_ctrl = clock_ctrl;
 609
 610         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 611                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 612                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 613                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 614                 }
 615         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 616                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 617                             clock_ctrl |
 618                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 619                             40);
 620                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 621                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 622                             40);
 623         }
 624         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 625 }
 626
 627 #define PHY_BUSY_LOOPS  5000
 628
 629 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 630 {
 631         u32 frame_val;
 632         unsigned int loops;
 633         int ret;
 634
 635         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 636                 tw32_f(MAC_MI_MODE,
 637                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 638                 udelay(80);
 639         }
 640
 641         *val = 0x0;
 642
 643         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 644                       MI_COM_PHY_ADDR_MASK);
 645         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 646                       MI_COM_REG_ADDR_MASK);
 647         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 648
 649         tw32_f(MAC_MI_COM, frame_val);
 650
 651         loops = PHY_BUSY_LOOPS;
 652         while (loops != 0) {
 653                 udelay(10);
 654                 frame_val = tr32(MAC_MI_COM);
 655
 656                 if ((frame_val & MI_COM_BUSY) == 0) {
 657                         udelay(5);
 658                         frame_val = tr32(MAC_MI_COM);
 659                         break;
 660                 }
 661                 loops -= 1;
 662         }
 663
 664         ret = -EBUSY;
 665         if (loops != 0) {
 666                 *val = frame_val & MI_COM_DATA_MASK;
 667                 ret = 0;
 668         }
 669
 670         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 671                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 672                 udelay(80);
 673         }
 674
 675         return ret;
 676 }
 677
 678 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 679 {
 680         u32 frame_val;
 681         unsigned int loops;
 682         int ret;
 683
 684         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 685             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 686                 return 0;
 687
 688         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 689                 tw32_f(MAC_MI_MODE,
 690                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 691                 udelay(80);
 692         }
 693
 694         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 695                       MI_COM_PHY_ADDR_MASK);
 696         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 697                       MI_COM_REG_ADDR_MASK);
 698         frame_val |= (val & MI_COM_DATA_MASK);
 699         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 700
 701         tw32_f(MAC_MI_COM, frame_val);
 702
 703         loops = PHY_BUSY_LOOPS;
 704         while (loops != 0) {
 705                 udelay(10);
 706                 frame_val = tr32(MAC_MI_COM);
 707                 if ((frame_val & MI_COM_BUSY) == 0) {
 708                         udelay(5);
 709                         frame_val = tr32(MAC_MI_COM);
 710                         break;
 711                 }
 712                 loops -= 1;
 713         }
 714
 715         ret = -EBUSY;
 716         if (loops != 0)
 717                 ret = 0;
 718
 719         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 720                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 721                 udelay(80);
 722         }
 723
 724         return ret;
 725 }
 726
 727 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 728 {
 729         u32 val;
 730
 731         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
 732                 return;
 733
 734         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
 735             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
 736                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
 737                              (val | (1 << 15) | (1 << 4)));
 738 }
 739
 740 static int tg3_bmcr_reset(struct tg3 *tp)
 741 {
 742         u32 phy_control;
 743         int limit, err;
 744
 745         /* OK, reset it, and poll the BMCR_RESET bit until it
 746          * clears or we time out.
 747          */
 748         phy_control = BMCR_RESET;
 749         err = tg3_writephy(tp, MII_BMCR, phy_control);
 750         if (err != 0)
 751                 return -EBUSY;
 752
 753         limit = 5000;
 754         while (limit--) {
 755                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 756                 if (err != 0)
 757                         return -EBUSY;
 758
 759                 if ((phy_control & BMCR_RESET) == 0) {
 760                         udelay(40);
 761                         break;
 762                 }
 763                 udelay(10);
 764         }
 765         if (limit <= 0)
 766                 return -EBUSY;
 767
 768         return 0;
 769 }
 770
 771 static int tg3_wait_macro_done(struct tg3 *tp)
 772 {
 773         int limit = 100;
 774
 775         while (limit--) {
 776                 u32 tmp32;
 777
 778                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
 779                         if ((tmp32 & 0x1000) == 0)
 780                                 break;
 781                 }
 782         }
 783         if (limit <= 0)
 784                 return -EBUSY;
 785
 786         return 0;
 787 }
 788
 789 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
 790 {
 791         static const u32 test_pat[4][6] = {
 792         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
 793         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
 794         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
 795         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
 796         };
 797         int chan;
 798
 799         for (chan = 0; chan < 4; chan++) {
 800                 int i;
 801
 802                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 803                              (chan * 0x2000) | 0x0200);
 804                 tg3_writephy(tp, 0x16, 0x0002);
 805
 806                 for (i = 0; i < 6; i++)
 807                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
 808                                      test_pat[chan][i]);
 809
 810                 tg3_writephy(tp, 0x16, 0x0202);
 811                 if (tg3_wait_macro_done(tp)) {
 812                         *resetp = 1;
 813                         return -EBUSY;
 814                 }
 815
 816                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 817                              (chan * 0x2000) | 0x0200);
 818                 tg3_writephy(tp, 0x16, 0x0082);
 819                 if (tg3_wait_macro_done(tp)) {
 820                         *resetp = 1;
 821                         return -EBUSY;
 822                 }
 823
 824                 tg3_writephy(tp, 0x16, 0x0802);
 825                 if (tg3_wait_macro_done(tp)) {
 826                         *resetp = 1;
 827                         return -EBUSY;
 828                 }
 829
 830                 for (i = 0; i < 6; i += 2) {
 831                         u32 low, high;
 832
 833                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
 834                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
 835                             tg3_wait_macro_done(tp)) {
 836                                 *resetp = 1;
 837                                 return -EBUSY;
 838                         }
 839                         low &= 0x7fff;
 840                         high &= 0x000f;
 841                         if (low != test_pat[chan][i] ||
 842                             high != test_pat[chan][i+1]) {
 843                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
 844                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
 845                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
 846
 847                                 return -EBUSY;
 848                         }
 849                 }
 850         }
 851
 852         return 0;
 853 }
 854
 855 static int tg3_phy_reset_chanpat(struct tg3 *tp)
 856 {
 857         int chan;
 858
 859         for (chan = 0; chan < 4; chan++) {
 860                 int i;
 861
 862                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 863                              (chan * 0x2000) | 0x0200);
 864                 tg3_writephy(tp, 0x16, 0x0002);
 865                 for (i = 0; i < 6; i++)
 866                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
 867                 tg3_writephy(tp, 0x16, 0x0202);
 868                 if (tg3_wait_macro_done(tp))
 869                         return -EBUSY;
 870         }
 871
 872         return 0;
 873 }
 874
 875 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 876 {
 877         u32 reg32, phy9_orig;
 878         int retries, do_phy_reset, err;
 879
 880         retries = 10;
 881         do_phy_reset = 1;
 882         do {
 883                 if (do_phy_reset) {
 884                         err = tg3_bmcr_reset(tp);
 885                         if (err)
 886                                 return err;
 887                         do_phy_reset = 0;
 888                 }
 889
 890                 /* Disable transmitter and interrupt.  */
 891                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
 892                         continue;
 893
 894                 reg32 |= 0x3000;
 895                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 896
 897                 /* Set full-duplex, 1000 mbps.  */
 898                 tg3_writephy(tp, MII_BMCR,
 899                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
 900
 901                 /* Set to master mode.  */
 902                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
 903                         continue;
 904
 905                 tg3_writephy(tp, MII_TG3_CTRL,
 906                              (MII_TG3_CTRL_AS_MASTER |
 907                               MII_TG3_CTRL_ENABLE_AS_MASTER));
 908
 909                 /* Enable SM_DSP_CLOCK and 6dB.  */
 910                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 911
 912                 /* Block the PHY control access.  */
 913                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 914                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
 915
 916                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
 917                 if (!err)
 918                         break;
 919         } while (--retries);
 920
 921         err = tg3_phy_reset_chanpat(tp);
 922         if (err)
 923                 return err;
 924
 925         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 926         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
 927
 928         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 929         tg3_writephy(tp, 0x16, 0x0000);
 930
 931         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 933                 /* Set Extended packet length bit for jumbo frames */
 934                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
 935         }
 936         else {
 937                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 938         }
 939
 940         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
 941
 942         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
 943                 reg32 &= ~0x3000;
 944                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 945         } else if (!err)
 946                 err = -EBUSY;
 947
 948         return err;
 949 }
 950
 951 static void tg3_link_report(struct tg3 *);
 952
 953 /* This will reset the tigon3 PHY if there is no valid
 954  * link unless the FORCE argument is non-zero.
 955  */
 956 static int tg3_phy_reset(struct tg3 *tp)
 957 {
 958         u32 phy_status;
 959         int err;
 960
 961         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
 962         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
 963         if (err != 0)
 964                 return -EBUSY;
 965
 966         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
 967                 netif_carrier_off(tp->dev);
 968                 tg3_link_report(tp);
 969         }
 970
 971         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 972             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
 973             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
 974                 err = tg3_phy_reset_5703_4_5(tp);
 975                 if (err)
 976                         return err;
 977                 goto out;
 978         }
 979
 980         err = tg3_bmcr_reset(tp);
 981         if (err)
 982                 return err;
 983
 984 out:
 985         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
 986                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 987                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
 988                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
 989                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
 990                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
 991                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 992         }
 993         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
 994                 tg3_writephy(tp, 0x1c, 0x8d68);
 995                 tg3_writephy(tp, 0x1c, 0x8d68);
 996         }
 997         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
 998                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 999                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1000                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1001                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1002                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1003                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1004                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1005                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1006         }
1007         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1008                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1009                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1010                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1011                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1012         }
1013         /* Set Extended packet length bit (bit 14) on all chips that */
1014         /* support jumbo frames */
1015         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1016                 /* Cannot do read-modify-write on 5401 */
1017                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1018         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1019                 u32 phy_reg;
1020
1021                 /* Set bit 14 with read-modify-write to preserve other bits */
1022                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1023                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1024                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1025         }
1026
1027         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1028          * jumbo frames transmission.
1029          */
1030         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1031                 u32 phy_reg;
1032
1033                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1034                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1035                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1036         }
1037
1038         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1039                 u32 phy_reg;
1040
1041                 /* adjust output voltage */
1042                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1043
1044                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1045                         u32 phy_reg2;
1046
1047                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1048                                      phy_reg | MII_TG3_EPHY_SHADOW_EN);
1049                         /* Enable auto-MDIX */
1050                         if (!tg3_readphy(tp, 0x10, &phy_reg2))
1051                                 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1052                         tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1053                 }
1054         }
1055
1056         tg3_phy_set_wirespeed(tp);
1057         return 0;
1058 }
1059
1060 static void tg3_frob_aux_power(struct tg3 *tp)
1061 {
1062         struct tg3 *tp_peer = tp;
1063
1064         if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
1065                 return;
1066
1067         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1068             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1069                 struct net_device *dev_peer;
1070
1071                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1072                 /* remove_one() may have been run on the peer. */
1073                 if (!dev_peer)
1074                         tp_peer = tp;
1075                 else
1076                         tp_peer = netdev_priv(dev_peer);
1077         }
1078
1079         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1080             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1081             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1082             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1083                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1084                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1085                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1086                                     (GRC_LCLCTRL_GPIO_OE0 |
1087                                      GRC_LCLCTRL_GPIO_OE1 |
1088                                      GRC_LCLCTRL_GPIO_OE2 |
1089                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1090                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1091                                     100);
1092                 } else {
1093                         u32 no_gpio2;
1094                         u32 grc_local_ctrl = 0;
1095
1096                         if (tp_peer != tp &&
1097                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1098                                 return;
1099
1100                         /* Workaround to prevent overdrawing Amps. */
1101                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1102                             ASIC_REV_5714) {
1103                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1104                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1105                                             grc_local_ctrl, 100);
1106                         }
1107
1108                         /* On 5753 and variants, GPIO2 cannot be used. */
1109                         no_gpio2 = tp->nic_sram_data_cfg &
1110                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1111
1112                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1113                                          GRC_LCLCTRL_GPIO_OE1 |
1114                                          GRC_LCLCTRL_GPIO_OE2 |
1115                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1116                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1117                         if (no_gpio2) {
1118                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1119                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1120                         }
1121                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1122                                                     grc_local_ctrl, 100);
1123
1124                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1125
1126                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1127                                                     grc_local_ctrl, 100);
1128
1129                         if (!no_gpio2) {
1130                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1131                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1132                                             grc_local_ctrl, 100);
1133                         }
1134                 }
1135         } else {
1136                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1137                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1138                         if (tp_peer != tp &&
1139                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1140                                 return;
1141
1142                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1143                                     (GRC_LCLCTRL_GPIO_OE1 |
1144                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1145
1146                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1147                                     GRC_LCLCTRL_GPIO_OE1, 100);
1148
1149                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1150                                     (GRC_LCLCTRL_GPIO_OE1 |
1151                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1152                 }
1153         }
1154 }
1155
1156 static int tg3_setup_phy(struct tg3 *, int);
1157
1158 #define RESET_KIND_SHUTDOWN     0
1159 #define RESET_KIND_INIT         1
1160 #define RESET_KIND_SUSPEND      2
1161
1162 static void tg3_write_sig_post_reset(struct tg3 *, int);
1163 static int tg3_halt_cpu(struct tg3 *, u32);
1164 static int tg3_nvram_lock(struct tg3 *);
1165 static void tg3_nvram_unlock(struct tg3 *);
1166
1167 static void tg3_power_down_phy(struct tg3 *tp)
1168 {
1169         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
1170                 return;
1171
1172         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1173                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1174                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1175                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1176         }
1177
1178         /* The PHY should not be powered down on some chips because
1179          * of bugs.
1180          */
1181         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1182             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1183             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1184              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1185                 return;
1186         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1187 }
1188
1189 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1190 {
1191         u32 misc_host_ctrl;
1192         u16 power_control, power_caps;
1193         int pm = tp->pm_cap;
1194
1195         /* Make sure register accesses (indirect or otherwise)
1196          * will function correctly.
1197          */
1198         pci_write_config_dword(tp->pdev,
1199                                TG3PCI_MISC_HOST_CTRL,
1200                                tp->misc_host_ctrl);
1201
1202         pci_read_config_word(tp->pdev,
1203                              pm + PCI_PM_CTRL,
1204                              &power_control);
1205         power_control |= PCI_PM_CTRL_PME_STATUS;
1206         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1207         switch (state) {
1208         case PCI_D0:
1209                 power_control |= 0;
1210                 pci_write_config_word(tp->pdev,
1211                                       pm + PCI_PM_CTRL,
1212                                       power_control);
1213                 udelay(100);    /* Delay after power state change */
1214
1215                 /* Switch out of Vaux if it is not a LOM */
1216                 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
1217                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1218
1219                 return 0;
1220
1221         case PCI_D1:
1222                 power_control |= 1;
1223                 break;
1224
1225         case PCI_D2:
1226                 power_control |= 2;
1227                 break;
1228
1229         case PCI_D3hot:
1230                 power_control |= 3;
1231                 break;
1232
1233         default:
1234                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1235                        "requested.\n",
1236                        tp->dev->name, state);
1237                 return -EINVAL;
1238         };
1239
1240         power_control |= PCI_PM_CTRL_PME_ENABLE;
1241
1242         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1243         tw32(TG3PCI_MISC_HOST_CTRL,
1244              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1245
1246         if (tp->link_config.phy_is_low_power == 0) {
1247                 tp->link_config.phy_is_low_power = 1;
1248                 tp->link_config.orig_speed = tp->link_config.speed;
1249                 tp->link_config.orig_duplex = tp->link_config.duplex;
1250                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1251         }
1252
1253         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1254                 tp->link_config.speed = SPEED_10;
1255                 tp->link_config.duplex = DUPLEX_HALF;
1256                 tp->link_config.autoneg = AUTONEG_ENABLE;
1257                 tg3_setup_phy(tp, 0);
1258         }
1259
1260         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1261                 u32 val;
1262
1263                 val = tr32(GRC_VCPU_EXT_CTRL);
1264                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1265         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1266                 int i;
1267                 u32 val;
1268
1269                 for (i = 0; i < 200; i++) {
1270                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1271                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1272                                 break;
1273                         msleep(1);
1274                 }
1275         }
1276         tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1277                                              WOL_DRV_STATE_SHUTDOWN |
1278                                              WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1279
1280         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1281
1282         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1283                 u32 mac_mode;
1284
1285                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1286                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1287                         udelay(40);
1288
1289                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1290                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1291                         else
1292                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1293
1294                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1295                             !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1296                                 mac_mode |= MAC_MODE_LINK_POLARITY;
1297                 } else {
1298                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1299                 }
1300
1301                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1302                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1303
1304                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1305                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1306                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1307
1308                 tw32_f(MAC_MODE, mac_mode);
1309                 udelay(100);
1310
1311                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1312                 udelay(10);
1313         }
1314
1315         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1316             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1317              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1318                 u32 base_val;
1319
1320                 base_val = tp->pci_clock_ctrl;
1321                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1322                              CLOCK_CTRL_TXCLK_DISABLE);
1323
1324                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1325                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1326         } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
1327                 /* do nothing */
1328         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1329                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1330                 u32 newbits1, newbits2;
1331
1332                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1333                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1334                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1335                                     CLOCK_CTRL_TXCLK_DISABLE |
1336                                     CLOCK_CTRL_ALTCLK);
1337                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1338                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1339                         newbits1 = CLOCK_CTRL_625_CORE;
1340                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1341                 } else {
1342                         newbits1 = CLOCK_CTRL_ALTCLK;
1343                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1344                 }
1345
1346                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1347                             40);
1348
1349                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1350                             40);
1351
1352                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1353                         u32 newbits3;
1354
1355                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1356                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1357                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1358                                             CLOCK_CTRL_TXCLK_DISABLE |
1359                                             CLOCK_CTRL_44MHZ_CORE);
1360                         } else {
1361                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1362                         }
1363
1364                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1365                                     tp->pci_clock_ctrl | newbits3, 40);
1366                 }
1367         }
1368
1369         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1370             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1371                 tg3_power_down_phy(tp);
1372
1373         tg3_frob_aux_power(tp);
1374
1375         /* Workaround for unstable PLL clock */
1376         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1377             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1378                 u32 val = tr32(0x7d00);
1379
1380                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1381                 tw32(0x7d00, val);
1382                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1383                         int err;
1384
1385                         err = tg3_nvram_lock(tp);
1386                         tg3_halt_cpu(tp, RX_CPU_BASE);
1387                         if (!err)
1388                                 tg3_nvram_unlock(tp);
1389                 }
1390         }
1391
1392         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1393
1394         /* Finally, set the new power state. */
1395         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1396         udelay(100);    /* Delay after power state change */
1397
1398         return 0;
1399 }
1400
1401 static void tg3_link_report(struct tg3 *tp)
1402 {
1403         if (!netif_carrier_ok(tp->dev)) {
1404                 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1405         } else {
1406                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1407                        tp->dev->name,
1408                        (tp->link_config.active_speed == SPEED_1000 ?
1409                         1000 :
1410                         (tp->link_config.active_speed == SPEED_100 ?
1411                          100 : 10)),
1412                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1413                         "full" : "half"));
1414
1415                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1416                        "%s for RX.\n",
1417                        tp->dev->name,
1418                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1419                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1420         }
1421 }
1422
1423 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1424 {
1425         u32 new_tg3_flags = 0;
1426         u32 old_rx_mode = tp->rx_mode;
1427         u32 old_tx_mode = tp->tx_mode;
1428
1429         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1430
1431                 /* Convert 1000BaseX flow control bits to 1000BaseT
1432                  * bits before resolving flow control.
1433                  */
1434                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1435                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1436                                        ADVERTISE_PAUSE_ASYM);
1437                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1438
1439                         if (local_adv & ADVERTISE_1000XPAUSE)
1440                                 local_adv |= ADVERTISE_PAUSE_CAP;
1441                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1442                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1443                         if (remote_adv & LPA_1000XPAUSE)
1444                                 remote_adv |= LPA_PAUSE_CAP;
1445                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1446                                 remote_adv |= LPA_PAUSE_ASYM;
1447                 }
1448
1449                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1450                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1451                                 if (remote_adv & LPA_PAUSE_CAP)
1452                                         new_tg3_flags |=
1453                                                 (TG3_FLAG_RX_PAUSE |
1454                                                 TG3_FLAG_TX_PAUSE);
1455                                 else if (remote_adv & LPA_PAUSE_ASYM)
1456                                         new_tg3_flags |=
1457                                                 (TG3_FLAG_RX_PAUSE);
1458                         } else {
1459                                 if (remote_adv & LPA_PAUSE_CAP)
1460                                         new_tg3_flags |=
1461                                                 (TG3_FLAG_RX_PAUSE |
1462                                                 TG3_FLAG_TX_PAUSE);
1463                         }
1464                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1465                         if ((remote_adv & LPA_PAUSE_CAP) &&
1466                         (remote_adv & LPA_PAUSE_ASYM))
1467                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1468                 }
1469
1470                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1471                 tp->tg3_flags |= new_tg3_flags;
1472         } else {
1473                 new_tg3_flags = tp->tg3_flags;
1474         }
1475
1476         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1477                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1478         else
1479                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1480
1481         if (old_rx_mode != tp->rx_mode) {
1482                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1483         }
1484
1485         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1486                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1487         else
1488                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1489
1490         if (old_tx_mode != tp->tx_mode) {
1491                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1492         }
1493 }
1494
1495 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1496 {
1497         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1498         case MII_TG3_AUX_STAT_10HALF:
1499                 *speed = SPEED_10;
1500                 *duplex = DUPLEX_HALF;
1501                 break;
1502
1503         case MII_TG3_AUX_STAT_10FULL:
1504                 *speed = SPEED_10;
1505                 *duplex = DUPLEX_FULL;
1506                 break;
1507
1508         case MII_TG3_AUX_STAT_100HALF:
1509                 *speed = SPEED_100;
1510                 *duplex = DUPLEX_HALF;
1511                 break;
1512
1513         case MII_TG3_AUX_STAT_100FULL:
1514                 *speed = SPEED_100;
1515                 *duplex = DUPLEX_FULL;
1516                 break;
1517
1518         case MII_TG3_AUX_STAT_1000HALF:
1519                 *speed = SPEED_1000;
1520                 *duplex = DUPLEX_HALF;
1521                 break;
1522
1523         case MII_TG3_AUX_STAT_1000FULL:
1524                 *speed = SPEED_1000;
1525                 *duplex = DUPLEX_FULL;
1526                 break;
1527
1528         default:
1529                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1530                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1531                                  SPEED_10;
1532                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1533                                   DUPLEX_HALF;
1534                         break;
1535                 }
1536                 *speed = SPEED_INVALID;
1537                 *duplex = DUPLEX_INVALID;
1538                 break;
1539         };
1540 }
1541
1542 static void tg3_phy_copper_begin(struct tg3 *tp)
1543 {
1544         u32 new_adv;
1545         int i;
1546
1547         if (tp->link_config.phy_is_low_power) {
1548                 /* Entering low power mode.  Disable gigabit and
1549                  * 100baseT advertisements.
1550                  */
1551                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1552
1553                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1554                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1555                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1556                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1557
1558                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1559         } else if (tp->link_config.speed == SPEED_INVALID) {
1560                 tp->link_config.advertising =
1561                         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1562                          ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1563                          ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1564                          ADVERTISED_Autoneg | ADVERTISED_MII);
1565
1566                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1567                         tp->link_config.advertising &=
1568                                 ~(ADVERTISED_1000baseT_Half |
1569                                   ADVERTISED_1000baseT_Full);
1570
1571                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1572                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1573                         new_adv |= ADVERTISE_10HALF;
1574                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1575                         new_adv |= ADVERTISE_10FULL;
1576                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1577                         new_adv |= ADVERTISE_100HALF;
1578                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1579                         new_adv |= ADVERTISE_100FULL;
1580                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1581
1582                 if (tp->link_config.advertising &
1583                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1584                         new_adv = 0;
1585                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1586                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1587                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1588                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1589                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1590                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1591                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1592                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1593                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1594                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1595                 } else {
1596                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1597                 }
1598         } else {
1599                 /* Asking for a specific link mode. */
1600                 if (tp->link_config.speed == SPEED_1000) {
1601                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1602                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1603
1604                         if (tp->link_config.duplex == DUPLEX_FULL)
1605                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1606                         else
1607                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1608                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1609                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1610                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1611                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1612                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1613                 } else {
1614                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1615
1616                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1617                         if (tp->link_config.speed == SPEED_100) {
1618                                 if (tp->link_config.duplex == DUPLEX_FULL)
1619                                         new_adv |= ADVERTISE_100FULL;
1620                                 else
1621                                         new_adv |= ADVERTISE_100HALF;
1622                         } else {
1623                                 if (tp->link_config.duplex == DUPLEX_FULL)
1624                                         new_adv |= ADVERTISE_10FULL;
1625                                 else
1626                                         new_adv |= ADVERTISE_10HALF;
1627                         }
1628                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1629                 }
1630         }
1631
1632         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1633             tp->link_config.speed != SPEED_INVALID) {
1634                 u32 bmcr, orig_bmcr;
1635
1636                 tp->link_config.active_speed = tp->link_config.speed;
1637                 tp->link_config.active_duplex = tp->link_config.duplex;
1638
1639                 bmcr = 0;
1640                 switch (tp->link_config.speed) {
1641                 default:
1642                 case SPEED_10:
1643                         break;
1644
1645                 case SPEED_100:
1646                         bmcr |= BMCR_SPEED100;
1647                         break;
1648
1649                 case SPEED_1000:
1650                         bmcr |= TG3_BMCR_SPEED1000;
1651                         break;
1652                 };
1653
1654                 if (tp->link_config.duplex == DUPLEX_FULL)
1655                         bmcr |= BMCR_FULLDPLX;
1656
1657                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1658                     (bmcr != orig_bmcr)) {
1659                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1660                         for (i = 0; i < 1500; i++) {
1661                                 u32 tmp;
1662
1663                                 udelay(10);
1664                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1665                                     tg3_readphy(tp, MII_BMSR, &tmp))
1666                                         continue;
1667                                 if (!(tmp & BMSR_LSTATUS)) {
1668                                         udelay(40);
1669                                         break;
1670                                 }
1671                         }
1672                         tg3_writephy(tp, MII_BMCR, bmcr);
1673                         udelay(40);
1674                 }
1675         } else {
1676                 tg3_writephy(tp, MII_BMCR,
1677                              BMCR_ANENABLE | BMCR_ANRESTART);
1678         }
1679 }
1680
1681 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1682 {
1683         int err;
1684
1685         /* Turn off tap power management. */
1686         /* Set Extended packet length bit */
1687         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1688
1689         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1690         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1691
1692         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1693         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1694
1695         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1696         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1697
1698         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1699         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1700
1701         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1702         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1703
1704         udelay(40);
1705
1706         return err;
1707 }
1708
1709 static int tg3_copper_is_advertising_all(struct tg3 *tp)
1710 {
1711         u32 adv_reg, all_mask;
1712
1713         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1714                 return 0;
1715
1716         all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1717                     ADVERTISE_100HALF | ADVERTISE_100FULL);
1718         if ((adv_reg & all_mask) != all_mask)
1719                 return 0;
1720         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1721                 u32 tg3_ctrl;
1722
1723                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1724                         return 0;
1725
1726                 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1727                             MII_TG3_CTRL_ADV_1000_FULL);
1728                 if ((tg3_ctrl & all_mask) != all_mask)
1729                         return 0;
1730         }
1731         return 1;
1732 }
1733
1734 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1735 {
1736         int current_link_up;
1737         u32 bmsr, dummy;
1738         u16 current_speed;
1739         u8 current_duplex;
1740         int i, err;
1741
1742         tw32(MAC_EVENT, 0);
1743
1744         tw32_f(MAC_STATUS,
1745              (MAC_STATUS_SYNC_CHANGED |
1746               MAC_STATUS_CFG_CHANGED |
1747               MAC_STATUS_MI_COMPLETION |
1748               MAC_STATUS_LNKSTATE_CHANGED));
1749         udelay(40);
1750
1751         tp->mi_mode = MAC_MI_MODE_BASE;
1752         tw32_f(MAC_MI_MODE, tp->mi_mode);
1753         udelay(80);
1754
1755         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1756
1757         /* Some third-party PHYs need to be reset on link going
1758          * down.
1759          */
1760         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1761              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1762              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1763             netif_carrier_ok(tp->dev)) {
1764                 tg3_readphy(tp, MII_BMSR, &bmsr);
1765                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1766                     !(bmsr & BMSR_LSTATUS))
1767                         force_reset = 1;
1768         }
1769         if (force_reset)
1770                 tg3_phy_reset(tp);
1771
1772         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1773                 tg3_readphy(tp, MII_BMSR, &bmsr);
1774                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1775                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1776                         bmsr = 0;
1777
1778                 if (!(bmsr & BMSR_LSTATUS)) {
1779                         err = tg3_init_5401phy_dsp(tp);
1780                         if (err)
1781                                 return err;
1782
1783                         tg3_readphy(tp, MII_BMSR, &bmsr);
1784                         for (i = 0; i < 1000; i++) {
1785                                 udelay(10);
1786                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1787                                     (bmsr & BMSR_LSTATUS)) {
1788                                         udelay(40);
1789                                         break;
1790                                 }
1791                         }
1792
1793                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1794                             !(bmsr & BMSR_LSTATUS) &&
1795                             tp->link_config.active_speed == SPEED_1000) {
1796                                 err = tg3_phy_reset(tp);
1797                                 if (!err)
1798                                         err = tg3_init_5401phy_dsp(tp);
1799                                 if (err)
1800                                         return err;
1801                         }
1802                 }
1803         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1804                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1805                 /* 5701 {A0,B0} CRC bug workaround */
1806                 tg3_writephy(tp, 0x15, 0x0a75);
1807                 tg3_writephy(tp, 0x1c, 0x8c68);
1808                 tg3_writephy(tp, 0x1c, 0x8d68);
1809                 tg3_writephy(tp, 0x1c, 0x8c68);
1810         }
1811
1812         /* Clear pending interrupts... */
1813         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1814         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1815
1816         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1817                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1818         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1819                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1820
1821         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1822             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1823                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1824                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1825                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1826                 else
1827                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1828         }
1829
1830         current_link_up = 0;
1831         current_speed = SPEED_INVALID;
1832         current_duplex = DUPLEX_INVALID;
1833
1834         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1835                 u32 val;
1836
1837                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1838                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1839                 if (!(val & (1 << 10))) {
1840                         val |= (1 << 10);
1841                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1842                         goto relink;
1843                 }
1844         }
1845
1846         bmsr = 0;
1847         for (i = 0; i < 100; i++) {
1848                 tg3_readphy(tp, MII_BMSR, &bmsr);
1849                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850                     (bmsr & BMSR_LSTATUS))
1851                         break;
1852                 udelay(40);
1853         }
1854
1855         if (bmsr & BMSR_LSTATUS) {
1856                 u32 aux_stat, bmcr;
1857
1858                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1859                 for (i = 0; i < 2000; i++) {
1860                         udelay(10);
1861                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1862                             aux_stat)
1863                                 break;
1864                 }
1865
1866                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1867                                              &current_speed,
1868                                              &current_duplex);
1869
1870                 bmcr = 0;
1871                 for (i = 0; i < 200; i++) {
1872                         tg3_readphy(tp, MII_BMCR, &bmcr);
1873                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1874                                 continue;
1875                         if (bmcr && bmcr != 0x7fff)
1876                                 break;
1877                         udelay(10);
1878                 }
1879
1880                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1881                         if (bmcr & BMCR_ANENABLE) {
1882                                 current_link_up = 1;
1883
1884                                 /* Force autoneg restart if we are exiting
1885                                  * low power mode.
1886                                  */
1887                                 if (!tg3_copper_is_advertising_all(tp))
1888                                         current_link_up = 0;
1889                         } else {
1890                                 current_link_up = 0;
1891                         }
1892                 } else {
1893                         if (!(bmcr & BMCR_ANENABLE) &&
1894                             tp->link_config.speed == current_speed &&
1895                             tp->link_config.duplex == current_duplex) {
1896                                 current_link_up = 1;
1897                         } else {
1898                                 current_link_up = 0;
1899                         }
1900                 }
1901
1902                 tp->link_config.active_speed = current_speed;
1903                 tp->link_config.active_duplex = current_duplex;
1904         }
1905
1906         if (current_link_up == 1 &&
1907             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1908             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1909                 u32 local_adv, remote_adv;
1910
1911                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1912                         local_adv = 0;
1913                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1914
1915                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1916                         remote_adv = 0;
1917
1918                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1919
1920                 /* If we are not advertising full pause capability,
1921                  * something is wrong.  Bring the link down and reconfigure.
1922                  */
1923                 if (local_adv != ADVERTISE_PAUSE_CAP) {
1924                         current_link_up = 0;
1925                 } else {
1926                         tg3_setup_flow_control(tp, local_adv, remote_adv);
1927                 }
1928         }
1929 relink:
1930         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1931                 u32 tmp;
1932
1933                 tg3_phy_copper_begin(tp);
1934
1935                 tg3_readphy(tp, MII_BMSR, &tmp);
1936                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1937                     (tmp & BMSR_LSTATUS))
1938                         current_link_up = 1;
1939         }
1940
1941         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1942         if (current_link_up == 1) {
1943                 if (tp->link_config.active_speed == SPEED_100 ||
1944                     tp->link_config.active_speed == SPEED_10)
1945                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1946                 else
1947                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1948         } else
1949                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1950
1951         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1952         if (tp->link_config.active_duplex == DUPLEX_HALF)
1953                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1954
1955         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1956         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1957                 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1958                     (current_link_up == 1 &&
1959                      tp->link_config.active_speed == SPEED_10))
1960                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1961         } else {
1962                 if (current_link_up == 1)
1963                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1964         }
1965
1966         /* ??? Without this setting Netgear GA302T PHY does not
1967          * ??? send/receive packets...
1968          */
1969         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1970             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1971                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1972                 tw32_f(MAC_MI_MODE, tp->mi_mode);
1973                 udelay(80);
1974         }
1975
1976         tw32_f(MAC_MODE, tp->mac_mode);
1977         udelay(40);
1978
1979         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1980                 /* Polled via timer. */
1981                 tw32_f(MAC_EVENT, 0);
1982         } else {
1983                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1984         }
1985         udelay(40);
1986
1987         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1988             current_link_up == 1 &&
1989             tp->link_config.active_speed == SPEED_1000 &&
1990             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1991              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1992                 udelay(120);
1993                 tw32_f(MAC_STATUS,
1994                      (MAC_STATUS_SYNC_CHANGED |
1995                       MAC_STATUS_CFG_CHANGED));
1996                 udelay(40);
1997                 tg3_write_mem(tp,
1998                               NIC_SRAM_FIRMWARE_MBOX,
1999                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2000         }
2001
2002         if (current_link_up != netif_carrier_ok(tp->dev)) {
2003                 if (current_link_up)
2004                         netif_carrier_on(tp->dev);
2005                 else
2006                         netif_carrier_off(tp->dev);
2007                 tg3_link_report(tp);
2008         }
2009
2010         return 0;
2011 }
2012
2013 struct tg3_fiber_aneginfo {
2014         int state;
2015 #define ANEG_STATE_UNKNOWN              0
2016 #define ANEG_STATE_AN_ENABLE            1
2017 #define ANEG_STATE_RESTART_INIT         2
2018 #define ANEG_STATE_RESTART              3
2019 #define ANEG_STATE_DISABLE_LINK_OK      4
2020 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2021 #define ANEG_STATE_ABILITY_DETECT       6
2022 #define ANEG_STATE_ACK_DETECT_INIT      7
2023 #define ANEG_STATE_ACK_DETECT           8
2024 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2025 #define ANEG_STATE_COMPLETE_ACK         10
2026 #define ANEG_STATE_IDLE_DETECT_INIT     11
2027 #define ANEG_STATE_IDLE_DETECT          12
2028 #define ANEG_STATE_LINK_OK              13
2029 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2030 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2031
2032         u32 flags;
2033 #define MR_AN_ENABLE            0x00000001
2034 #define MR_RESTART_AN           0x00000002
2035 #define MR_AN_COMPLETE          0x00000004
2036 #define MR_PAGE_RX              0x00000008
2037 #define MR_NP_LOADED            0x00000010
2038 #define MR_TOGGLE_TX            0x00000020
2039 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2040 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2041 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2042 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2043 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2044 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2045 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2046 #define MR_TOGGLE_RX            0x00002000
2047 #define MR_NP_RX                0x00004000
2048
2049 #define MR_LINK_OK              0x80000000
2050
2051         unsigned long link_time, cur_time;
2052
2053         u32 ability_match_cfg;
2054         int ability_match_count;
2055
2056         char ability_match, idle_match, ack_match;
2057
2058         u32 txconfig, rxconfig;
2059 #define ANEG_CFG_NP             0x00000080
2060 #define ANEG_CFG_ACK            0x00000040
2061 #define ANEG_CFG_RF2            0x00000020
2062 #define ANEG_CFG_RF1            0x00000010
2063 #define ANEG_CFG_PS2            0x00000001
2064 #define ANEG_CFG_PS1            0x00008000
2065 #define ANEG_CFG_HD             0x00004000
2066 #define ANEG_CFG_FD             0x00002000
2067 #define ANEG_CFG_INVAL          0x00001f06
2068
2069 };
2070 #define ANEG_OK         0
2071 #define ANEG_DONE       1
2072 #define ANEG_TIMER_ENAB 2
2073 #define ANEG_FAILED     -1
2074
2075 #define ANEG_STATE_SETTLE_TIME  10000
2076
2077 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2078                                    struct tg3_fiber_aneginfo *ap)
2079 {
2080         unsigned long delta;
2081         u32 rx_cfg_reg;
2082         int ret;
2083
2084         if (ap->state == ANEG_STATE_UNKNOWN) {
2085                 ap->rxconfig = 0;
2086                 ap->link_time = 0;
2087                 ap->cur_time = 0;
2088                 ap->ability_match_cfg = 0;
2089                 ap->ability_match_count = 0;
2090                 ap->ability_match = 0;
2091                 ap->idle_match = 0;
2092                 ap->ack_match = 0;
2093         }
2094         ap->cur_time++;
2095
2096         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2097                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2098
2099                 if (rx_cfg_reg != ap->ability_match_cfg) {
2100                         ap->ability_match_cfg = rx_cfg_reg;
2101                         ap->ability_match = 0;
2102                         ap->ability_match_count = 0;
2103                 } else {
2104                         if (++ap->ability_match_count > 1) {
2105                                 ap->ability_match = 1;
2106                                 ap->ability_match_cfg = rx_cfg_reg;
2107                         }
2108                 }
2109                 if (rx_cfg_reg & ANEG_CFG_ACK)
2110                         ap->ack_match = 1;
2111                 else
2112                         ap->ack_match = 0;
2113
2114                 ap->idle_match = 0;
2115         } else {
2116                 ap->idle_match = 1;
2117                 ap->ability_match_cfg = 0;
2118                 ap->ability_match_count = 0;
2119                 ap->ability_match = 0;
2120                 ap->ack_match = 0;
2121
2122                 rx_cfg_reg = 0;
2123         }
2124
2125         ap->rxconfig = rx_cfg_reg;
2126         ret = ANEG_OK;
2127
2128         switch(ap->state) {
2129         case ANEG_STATE_UNKNOWN:
2130                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2131                         ap->state = ANEG_STATE_AN_ENABLE;
2132
2133                 /* fallthru */
2134         case ANEG_STATE_AN_ENABLE:
2135                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2136                 if (ap->flags & MR_AN_ENABLE) {
2137                         ap->link_time = 0;
2138                         ap->cur_time = 0;
2139                         ap->ability_match_cfg = 0;
2140                         ap->ability_match_count = 0;
2141                         ap->ability_match = 0;
2142                         ap->idle_match = 0;
2143                         ap->ack_match = 0;
2144
2145                         ap->state = ANEG_STATE_RESTART_INIT;
2146                 } else {
2147                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2148                 }
2149                 break;
2150
2151         case ANEG_STATE_RESTART_INIT:
2152                 ap->link_time = ap->cur_time;
2153                 ap->flags &= ~(MR_NP_LOADED);
2154                 ap->txconfig = 0;
2155                 tw32(MAC_TX_AUTO_NEG, 0);
2156                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2157                 tw32_f(MAC_MODE, tp->mac_mode);
2158                 udelay(40);
2159
2160                 ret = ANEG_TIMER_ENAB;
2161                 ap->state = ANEG_STATE_RESTART;
2162
2163                 /* fallthru */
2164         case ANEG_STATE_RESTART:
2165                 delta = ap->cur_time - ap->link_time;
2166                 if (delta > ANEG_STATE_SETTLE_TIME) {
2167                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2168                 } else {
2169                         ret = ANEG_TIMER_ENAB;
2170                 }
2171                 break;
2172
2173         case ANEG_STATE_DISABLE_LINK_OK:
2174                 ret = ANEG_DONE;
2175                 break;
2176
2177         case ANEG_STATE_ABILITY_DETECT_INIT:
2178                 ap->flags &= ~(MR_TOGGLE_TX);
2179                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2180                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2181                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2182                 tw32_f(MAC_MODE, tp->mac_mode);
2183                 udelay(40);
2184
2185                 ap->state = ANEG_STATE_ABILITY_DETECT;
2186                 break;
2187
2188         case ANEG_STATE_ABILITY_DETECT:
2189                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2190                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2191                 }
2192                 break;
2193
2194         case ANEG_STATE_ACK_DETECT_INIT:
2195                 ap->txconfig |= ANEG_CFG_ACK;
2196                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2197                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2198                 tw32_f(MAC_MODE, tp->mac_mode);
2199                 udelay(40);
2200
2201                 ap->state = ANEG_STATE_ACK_DETECT;
2202
2203                 /* fallthru */
2204         case ANEG_STATE_ACK_DETECT:
2205                 if (ap->ack_match != 0) {
2206                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2207                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2208                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2209                         } else {
2210                                 ap->state = ANEG_STATE_AN_ENABLE;
2211                         }
2212                 } else if (ap->ability_match != 0 &&
2213                            ap->rxconfig == 0) {
2214                         ap->state = ANEG_STATE_AN_ENABLE;
2215                 }
2216                 break;
2217
2218         case ANEG_STATE_COMPLETE_ACK_INIT:
2219                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2220                         ret = ANEG_FAILED;
2221                         break;
2222                 }
2223                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2224                                MR_LP_ADV_HALF_DUPLEX |
2225                                MR_LP_ADV_SYM_PAUSE |
2226                                MR_LP_ADV_ASYM_PAUSE |
2227                                MR_LP_ADV_REMOTE_FAULT1 |
2228                                MR_LP_ADV_REMOTE_FAULT2 |
2229                                MR_LP_ADV_NEXT_PAGE |
2230                                MR_TOGGLE_RX |
2231                                MR_NP_RX);
2232                 if (ap->rxconfig & ANEG_CFG_FD)
2233                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2234                 if (ap->rxconfig & ANEG_CFG_HD)
2235                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2236                 if (ap->rxconfig & ANEG_CFG_PS1)
2237                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2238                 if (ap->rxconfig & ANEG_CFG_PS2)
2239                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2240                 if (ap->rxconfig & ANEG_CFG_RF1)
2241                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2242                 if (ap->rxconfig & ANEG_CFG_RF2)
2243                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2244                 if (ap->rxconfig & ANEG_CFG_NP)
2245                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2246
2247                 ap->link_time = ap->cur_time;
2248
2249                 ap->flags ^= (MR_TOGGLE_TX);
2250                 if (ap->rxconfig & 0x0008)
2251                         ap->flags |= MR_TOGGLE_RX;
2252                 if (ap->rxconfig & ANEG_CFG_NP)
2253                         ap->flags |= MR_NP_RX;
2254                 ap->flags |= MR_PAGE_RX;
2255
2256                 ap->state = ANEG_STATE_COMPLETE_ACK;
2257                 ret = ANEG_TIMER_ENAB;
2258                 break;
2259
2260         case ANEG_STATE_COMPLETE_ACK:
2261                 if (ap->ability_match != 0 &&
2262                     ap->rxconfig == 0) {
2263                         ap->state = ANEG_STATE_AN_ENABLE;
2264                         break;
2265                 }
2266                 delta = ap->cur_time - ap->link_time;
2267                 if (delta > ANEG_STATE_SETTLE_TIME) {
2268                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2269                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2270                         } else {
2271                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2272                                     !(ap->flags & MR_NP_RX)) {
2273                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2274                                 } else {
2275                                         ret = ANEG_FAILED;
2276                                 }
2277                         }
2278                 }
2279                 break;
2280
2281         case ANEG_STATE_IDLE_DETECT_INIT:
2282                 ap->link_time = ap->cur_time;
2283                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2284                 tw32_f(MAC_MODE, tp->mac_mode);
2285                 udelay(40);
2286
2287                 ap->state = ANEG_STATE_IDLE_DETECT;
2288                 ret = ANEG_TIMER_ENAB;
2289                 break;
2290
2291         case ANEG_STATE_IDLE_DETECT:
2292                 if (ap->ability_match != 0 &&
2293                     ap->rxconfig == 0) {
2294                         ap->state = ANEG_STATE_AN_ENABLE;
2295                         break;
2296                 }
2297                 delta = ap->cur_time - ap->link_time;
2298                 if (delta > ANEG_STATE_SETTLE_TIME) {
2299                         /* XXX another gem from the Broadcom driver :( */
2300                         ap->state = ANEG_STATE_LINK_OK;
2301                 }
2302                 break;
2303
2304         case ANEG_STATE_LINK_OK:
2305                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2306                 ret = ANEG_DONE;
2307                 break;
2308
2309         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2310                 /* ??? unimplemented */
2311                 break;
2312
2313         case ANEG_STATE_NEXT_PAGE_WAIT:
2314                 /* ??? unimplemented */
2315                 break;
2316
2317         default:
2318                 ret = ANEG_FAILED;
2319                 break;
2320         };
2321
2322         return ret;
2323 }
2324
2325 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2326 {
2327         int res = 0;
2328         struct tg3_fiber_aneginfo aninfo;
2329         int status = ANEG_FAILED;
2330         unsigned int tick;
2331         u32 tmp;
2332
2333         tw32_f(MAC_TX_AUTO_NEG, 0);
2334
2335         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2336         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2337         udelay(40);
2338
2339         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2340         udelay(40);
2341
2342         memset(&aninfo, 0, sizeof(aninfo));
2343         aninfo.flags |= MR_AN_ENABLE;
2344         aninfo.state = ANEG_STATE_UNKNOWN;
2345         aninfo.cur_time = 0;
2346         tick = 0;
2347         while (++tick < 195000) {
2348                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2349                 if (status == ANEG_DONE || status == ANEG_FAILED)
2350                         break;
2351
2352                 udelay(1);
2353         }
2354
2355         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2356         tw32_f(MAC_MODE, tp->mac_mode);
2357         udelay(40);
2358
2359         *flags = aninfo.flags;
2360
2361         if (status == ANEG_DONE &&
2362             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2363                              MR_LP_ADV_FULL_DUPLEX)))
2364                 res = 1;
2365
2366         return res;
2367 }
2368
2369 static void tg3_init_bcm8002(struct tg3 *tp)
2370 {
2371         u32 mac_status = tr32(MAC_STATUS);
2372         int i;
2373
2374         /* Reset when initting first time or we have a link. */
2375         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2376             !(mac_status & MAC_STATUS_PCS_SYNCED))
2377                 return;
2378
2379         /* Set PLL lock range. */
2380         tg3_writephy(tp, 0x16, 0x8007);
2381
2382         /* SW reset */
2383         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2384
2385         /* Wait for reset to complete. */
2386         /* XXX schedule_timeout() ... */
2387         for (i = 0; i < 500; i++)
2388                 udelay(10);
2389
2390         /* Config mode; select PMA/Ch 1 regs. */
2391         tg3_writephy(tp, 0x10, 0x8411);
2392
2393         /* Enable auto-lock and comdet, select txclk for tx. */
2394         tg3_writephy(tp, 0x11, 0x0a10);
2395
2396         tg3_writephy(tp, 0x18, 0x00a0);
2397         tg3_writephy(tp, 0x16, 0x41ff);
2398
2399         /* Assert and deassert POR. */
2400         tg3_writephy(tp, 0x13, 0x0400);
2401         udelay(40);
2402         tg3_writephy(tp, 0x13, 0x0000);
2403
2404         tg3_writephy(tp, 0x11, 0x0a50);
2405         udelay(40);
2406         tg3_writephy(tp, 0x11, 0x0a10);
2407
2408         /* Wait for signal to stabilize */
2409         /* XXX schedule_timeout() ... */
2410         for (i = 0; i < 15000; i++)
2411                 udelay(10);
2412
2413         /* Deselect the channel register so we can read the PHYID
2414          * later.
2415          */
2416         tg3_writephy(tp, 0x10, 0x8011);
2417 }
2418
2419 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2420 {
2421         u32 sg_dig_ctrl, sg_dig_status;
2422         u32 serdes_cfg, expected_sg_dig_ctrl;
2423         int workaround, port_a;
2424         int current_link_up;
2425
2426         serdes_cfg = 0;
2427         expected_sg_dig_ctrl = 0;
2428         workaround = 0;
2429         port_a = 1;
2430         current_link_up = 0;
2431
2432         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2433             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2434                 workaround = 1;
2435                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2436                         port_a = 0;
2437
2438                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2439                 /* preserve bits 20-23 for voltage regulator */
2440                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2441         }
2442
2443         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2444
2445         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2446                 if (sg_dig_ctrl & (1 << 31)) {
2447                         if (workaround) {
2448                                 u32 val = serdes_cfg;
2449
2450                                 if (port_a)
2451                                         val |= 0xc010000;
2452                                 else
2453                                         val |= 0x4010000;
2454                                 tw32_f(MAC_SERDES_CFG, val);
2455                         }
2456                         tw32_f(SG_DIG_CTRL, 0x01388400);
2457                 }
2458                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2459                         tg3_setup_flow_control(tp, 0, 0);
2460                         current_link_up = 1;
2461                 }
2462                 goto out;
2463         }
2464
2465         /* Want auto-negotiation.  */
2466         expected_sg_dig_ctrl = 0x81388400;
2467
2468         /* Pause capability */
2469         expected_sg_dig_ctrl |= (1 << 11);
2470
2471         /* Asymettric pause */
2472         expected_sg_dig_ctrl |= (1 << 12);
2473
2474         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2475                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2476                     tp->serdes_counter &&
2477                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2478                                     MAC_STATUS_RCVD_CFG)) ==
2479                      MAC_STATUS_PCS_SYNCED)) {
2480                         tp->serdes_counter--;
2481                         current_link_up = 1;
2482                         goto out;
2483                 }
2484 restart_autoneg:
2485                 if (workaround)
2486                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2487                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2488                 udelay(5);
2489                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2490
2491                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2492                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2493         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2494                                  MAC_STATUS_SIGNAL_DET)) {
2495                 sg_dig_status = tr32(SG_DIG_STATUS);
2496                 mac_status = tr32(MAC_STATUS);
2497
2498                 if ((sg_dig_status & (1 << 1)) &&
2499                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2500                         u32 local_adv, remote_adv;
2501
2502                         local_adv = ADVERTISE_PAUSE_CAP;
2503                         remote_adv = 0;
2504                         if (sg_dig_status & (1 << 19))
2505                                 remote_adv |= LPA_PAUSE_CAP;
2506                         if (sg_dig_status & (1 << 20))
2507                                 remote_adv |= LPA_PAUSE_ASYM;
2508
2509                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2510                         current_link_up = 1;
2511                         tp->serdes_counter = 0;
2512                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2513                 } else if (!(sg_dig_status & (1 << 1))) {
2514                         if (tp->serdes_counter)
2515                                 tp->serdes_counter--;
2516                         else {
2517                                 if (workaround) {
2518                                         u32 val = serdes_cfg;
2519
2520                                         if (port_a)
2521                                                 val |= 0xc010000;
2522                                         else
2523                                                 val |= 0x4010000;
2524
2525                                         tw32_f(MAC_SERDES_CFG, val);
2526                                 }
2527
2528                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2529                                 udelay(40);
2530
2531                                 /* Link parallel detection - link is up */
2532                                 /* only if we have PCS_SYNC and not */
2533                                 /* receiving config code words */
2534                                 mac_status = tr32(MAC_STATUS);
2535                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2536                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2537                                         tg3_setup_flow_control(tp, 0, 0);
2538                                         current_link_up = 1;
2539                                         tp->tg3_flags2 |=
2540                                                 TG3_FLG2_PARALLEL_DETECT;
2541                                         tp->serdes_counter =
2542                                                 SERDES_PARALLEL_DET_TIMEOUT;
2543                                 } else
2544                                         goto restart_autoneg;
2545                         }
2546                 }
2547         } else {
2548                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2549                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2550         }
2551
2552 out:
2553         return current_link_up;
2554 }
2555
2556 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2557 {
2558         int current_link_up = 0;
2559
2560         if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2561                 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2562                 goto out;
2563         }
2564
2565         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2566                 u32 flags;
2567                 int i;
2568
2569                 if (fiber_autoneg(tp, &flags)) {
2570                         u32 local_adv, remote_adv;
2571
2572                         local_adv = ADVERTISE_PAUSE_CAP;
2573                         remote_adv = 0;
2574                         if (flags & MR_LP_ADV_SYM_PAUSE)
2575                                 remote_adv |= LPA_PAUSE_CAP;
2576                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2577                                 remote_adv |= LPA_PAUSE_ASYM;
2578
2579                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2580
2581                         tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2582                         current_link_up = 1;
2583                 }
2584                 for (i = 0; i < 30; i++) {
2585                         udelay(20);
2586                         tw32_f(MAC_STATUS,
2587                                (MAC_STATUS_SYNC_CHANGED |
2588                                 MAC_STATUS_CFG_CHANGED));
2589                         udelay(40);
2590                         if ((tr32(MAC_STATUS) &
2591                              (MAC_STATUS_SYNC_CHANGED |
2592                               MAC_STATUS_CFG_CHANGED)) == 0)
2593                                 break;
2594                 }
2595
2596                 mac_status = tr32(MAC_STATUS);
2597                 if (current_link_up == 0 &&
2598                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2599                     !(mac_status & MAC_STATUS_RCVD_CFG))
2600                         current_link_up = 1;
2601         } else {
2602                 /* Forcing 1000FD link up. */
2603                 current_link_up = 1;
2604                 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2605
2606                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2607                 udelay(40);
2608         }
2609
2610 out:
2611         return current_link_up;
2612 }
2613
2614 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2615 {
2616         u32 orig_pause_cfg;
2617         u16 orig_active_speed;
2618         u8 orig_active_duplex;
2619         u32 mac_status;
2620         int current_link_up;
2621         int i;
2622
2623         orig_pause_cfg =
2624                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2625                                   TG3_FLAG_TX_PAUSE));
2626         orig_active_speed = tp->link_config.active_speed;
2627         orig_active_duplex = tp->link_config.active_duplex;
2628
2629         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2630             netif_carrier_ok(tp->dev) &&
2631             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2632                 mac_status = tr32(MAC_STATUS);
2633                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2634                                MAC_STATUS_SIGNAL_DET |
2635                                MAC_STATUS_CFG_CHANGED |
2636                                MAC_STATUS_RCVD_CFG);
2637                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2638                                    MAC_STATUS_SIGNAL_DET)) {
2639                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2640                                             MAC_STATUS_CFG_CHANGED));
2641                         return 0;
2642                 }
2643         }
2644
2645         tw32_f(MAC_TX_AUTO_NEG, 0);
2646
2647         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2648         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2649         tw32_f(MAC_MODE, tp->mac_mode);
2650         udelay(40);
2651
2652         if (tp->phy_id == PHY_ID_BCM8002)
2653                 tg3_init_bcm8002(tp);
2654
2655         /* Enable link change event even when serdes polling.  */
2656         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2657         udelay(40);
2658
2659         current_link_up = 0;
2660         mac_status = tr32(MAC_STATUS);
2661
2662         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2663                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2664         else
2665                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2666
2667         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2668         tw32_f(MAC_MODE, tp->mac_mode);
2669         udelay(40);
2670
2671         tp->hw_status->status =
2672                 (SD_STATUS_UPDATED |
2673                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2674
2675         for (i = 0; i < 100; i++) {
2676                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2677                                     MAC_STATUS_CFG_CHANGED));
2678                 udelay(5);
2679                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2680                                          MAC_STATUS_CFG_CHANGED |
2681                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2682                         break;
2683         }
2684
2685         mac_status = tr32(MAC_STATUS);
2686         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2687                 current_link_up = 0;
2688                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2689                     tp->serdes_counter == 0) {
2690                         tw32_f(MAC_MODE, (tp->mac_mode |
2691                                           MAC_MODE_SEND_CONFIGS));
2692                         udelay(1);
2693                         tw32_f(MAC_MODE, tp->mac_mode);
2694                 }
2695         }
2696
2697         if (current_link_up == 1) {
2698                 tp->link_config.active_speed = SPEED_1000;
2699                 tp->link_config.active_duplex = DUPLEX_FULL;
2700                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2701                                     LED_CTRL_LNKLED_OVERRIDE |
2702                                     LED_CTRL_1000MBPS_ON));
2703         } else {
2704                 tp->link_config.active_speed = SPEED_INVALID;
2705                 tp->link_config.active_duplex = DUPLEX_INVALID;
2706                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2707                                     LED_CTRL_LNKLED_OVERRIDE |
2708                                     LED_CTRL_TRAFFIC_OVERRIDE));
2709         }
2710
2711         if (current_link_up != netif_carrier_ok(tp->dev)) {
2712                 if (current_link_up)
2713                         netif_carrier_on(tp->dev);
2714                 else
2715                         netif_carrier_off(tp->dev);
2716                 tg3_link_report(tp);
2717         } else {
2718                 u32 now_pause_cfg =
2719                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2720                                          TG3_FLAG_TX_PAUSE);
2721                 if (orig_pause_cfg != now_pause_cfg ||
2722                     orig_active_speed != tp->link_config.active_speed ||
2723                     orig_active_duplex != tp->link_config.active_duplex)
2724                         tg3_link_report(tp);
2725         }
2726
2727         return 0;
2728 }
2729
2730 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2731 {
2732         int current_link_up, err = 0;
2733         u32 bmsr, bmcr;
2734         u16 current_speed;
2735         u8 current_duplex;
2736
2737         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2738         tw32_f(MAC_MODE, tp->mac_mode);
2739         udelay(40);
2740
2741         tw32(MAC_EVENT, 0);
2742
2743         tw32_f(MAC_STATUS,
2744              (MAC_STATUS_SYNC_CHANGED |
2745               MAC_STATUS_CFG_CHANGED |
2746               MAC_STATUS_MI_COMPLETION |
2747               MAC_STATUS_LNKSTATE_CHANGED));
2748         udelay(40);
2749
2750         if (force_reset)
2751                 tg3_phy_reset(tp);
2752
2753         current_link_up = 0;
2754         current_speed = SPEED_INVALID;
2755         current_duplex = DUPLEX_INVALID;
2756
2757         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2758         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2759         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2760                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2761                         bmsr |= BMSR_LSTATUS;
2762                 else
2763                         bmsr &= ~BMSR_LSTATUS;
2764         }
2765
2766         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2767
2768         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2769             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2770                 /* do nothing, just check for link up at the end */
2771         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2772                 u32 adv, new_adv;
2773
2774                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2775                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2776                                   ADVERTISE_1000XPAUSE |
2777                                   ADVERTISE_1000XPSE_ASYM |
2778                                   ADVERTISE_SLCT);
2779
2780                 /* Always advertise symmetric PAUSE just like copper */
2781                 new_adv |= ADVERTISE_1000XPAUSE;
2782
2783                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2784                         new_adv |= ADVERTISE_1000XHALF;
2785                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2786                         new_adv |= ADVERTISE_1000XFULL;
2787
2788                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2789                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2790                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2791                         tg3_writephy(tp, MII_BMCR, bmcr);
2792
2793                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2794                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2795                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2796
2797                         return err;
2798                 }
2799         } else {
2800                 u32 new_bmcr;
2801
2802                 bmcr &= ~BMCR_SPEED1000;
2803                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2804
2805                 if (tp->link_config.duplex == DUPLEX_FULL)
2806                         new_bmcr |= BMCR_FULLDPLX;
2807
2808                 if (new_bmcr != bmcr) {
2809                         /* BMCR_SPEED1000 is a reserved bit that needs
2810                          * to be set on write.
2811                          */
2812                         new_bmcr |= BMCR_SPEED1000;
2813
2814                         /* Force a linkdown */
2815                         if (netif_carrier_ok(tp->dev)) {
2816                                 u32 adv;
2817
2818                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2819                                 adv &= ~(ADVERTISE_1000XFULL |
2820                                          ADVERTISE_1000XHALF |
2821                                          ADVERTISE_SLCT);
2822                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2823                                 tg3_writephy(tp, MII_BMCR, bmcr |
2824                                                            BMCR_ANRESTART |
2825                                                            BMCR_ANENABLE);
2826                                 udelay(10);
2827                                 netif_carrier_off(tp->dev);
2828                         }
2829                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2830                         bmcr = new_bmcr;
2831                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2832                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2833                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2834                             ASIC_REV_5714) {
2835                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2836                                         bmsr |= BMSR_LSTATUS;
2837                                 else
2838                                         bmsr &= ~BMSR_LSTATUS;
2839                         }
2840                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2841                 }
2842         }
2843
2844         if (bmsr & BMSR_LSTATUS) {
2845                 current_speed = SPEED_1000;
2846                 current_link_up = 1;
2847                 if (bmcr & BMCR_FULLDPLX)
2848                         current_duplex = DUPLEX_FULL;
2849                 else
2850                         current_duplex = DUPLEX_HALF;
2851
2852                 if (bmcr & BMCR_ANENABLE) {
2853                         u32 local_adv, remote_adv, common;
2854
2855                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2856                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2857                         common = local_adv & remote_adv;
2858                         if (common & (ADVERTISE_1000XHALF |
2859                                       ADVERTISE_1000XFULL)) {
2860                                 if (common & ADVERTISE_1000XFULL)
2861                                         current_duplex = DUPLEX_FULL;
2862                                 else
2863                                         current_duplex = DUPLEX_HALF;
2864
2865                                 tg3_setup_flow_control(tp, local_adv,
2866                                                        remote_adv);
2867                         }
2868                         else
2869                                 current_link_up = 0;
2870                 }
2871         }
2872
2873         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2874         if (tp->link_config.active_duplex == DUPLEX_HALF)
2875                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2876
2877         tw32_f(MAC_MODE, tp->mac_mode);
2878         udelay(40);
2879
2880         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2881
2882         tp->link_config.active_speed = current_speed;
2883         tp->link_config.active_duplex = current_duplex;
2884
2885         if (current_link_up != netif_carrier_ok(tp->dev)) {
2886                 if (current_link_up)
2887                         netif_carrier_on(tp->dev);
2888                 else {
2889                         netif_carrier_off(tp->dev);
2890                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2891                 }
2892                 tg3_link_report(tp);
2893         }
2894         return err;
2895 }
2896
2897 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2898 {
2899         if (tp->serdes_counter) {
2900                 /* Give autoneg time to complete. */
2901                 tp->serdes_counter--;
2902                 return;
2903         }
2904         if (!netif_carrier_ok(tp->dev) &&
2905             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2906                 u32 bmcr;
2907
2908                 tg3_readphy(tp, MII_BMCR, &bmcr);
2909                 if (bmcr & BMCR_ANENABLE) {
2910                         u32 phy1, phy2;
2911
2912                         /* Select shadow register 0x1f */
2913                         tg3_writephy(tp, 0x1c, 0x7c00);
2914                         tg3_readphy(tp, 0x1c, &phy1);
2915
2916                         /* Select expansion interrupt status register */
2917                         tg3_writephy(tp, 0x17, 0x0f01);
2918                         tg3_readphy(tp, 0x15, &phy2);
2919                         tg3_readphy(tp, 0x15, &phy2);
2920
2921                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2922                                 /* We have signal detect and not receiving
2923                                  * config code words, link is up by parallel
2924                                  * detection.
2925                                  */
2926
2927                                 bmcr &= ~BMCR_ANENABLE;
2928                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2929                                 tg3_writephy(tp, MII_BMCR, bmcr);
2930                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2931                         }
2932                 }
2933         }
2934         else if (netif_carrier_ok(tp->dev) &&
2935                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2936                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2937                 u32 phy2;
2938
2939                 /* Select expansion interrupt status register */
2940                 tg3_writephy(tp, 0x17, 0x0f01);
2941                 tg3_readphy(tp, 0x15, &phy2);
2942                 if (phy2 & 0x20) {
2943                         u32 bmcr;
2944
2945                         /* Config code words received, turn on autoneg. */
2946                         tg3_readphy(tp, MII_BMCR, &bmcr);
2947                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2948
2949                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2950
2951                 }
2952         }
2953 }
2954
2955 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2956 {
2957         int err;
2958
2959         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2960                 err = tg3_setup_fiber_phy(tp, force_reset);
2961         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2962                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
2963         } else {
2964                 err = tg3_setup_copper_phy(tp, force_reset);
2965         }
2966
2967         if (tp->link_config.active_speed == SPEED_1000 &&
2968             tp->link_config.active_duplex == DUPLEX_HALF)
2969                 tw32(MAC_TX_LENGTHS,
2970                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2971                       (6 << TX_LENGTHS_IPG_SHIFT) |
2972                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2973         else
2974                 tw32(MAC_TX_LENGTHS,
2975                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2976                       (6 << TX_LENGTHS_IPG_SHIFT) |
2977                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2978
2979         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2980                 if (netif_carrier_ok(tp->dev)) {
2981                         tw32(HOSTCC_STAT_COAL_TICKS,
2982                              tp->coal.stats_block_coalesce_usecs);
2983                 } else {
2984                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
2985                 }
2986         }
2987
2988         return err;
2989 }
2990
2991 /* This is called whenever we suspect that the system chipset is re-
2992  * ordering the sequence of MMIO to the tx send mailbox. The symptom
2993  * is bogus tx completions. We try to recover by setting the
2994  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
2995  * in the workqueue.
2996  */
2997 static void tg3_tx_recover(struct tg3 *tp)
2998 {
2999         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3000                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3001
3002         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3003                "mapped I/O cycles to the network device, attempting to "
3004                "recover. Please report the problem to the driver maintainer "
3005                "and include system chipset information.\n", tp->dev->name);
3006
3007         spin_lock(&tp->lock);
3008         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3009         spin_unlock(&tp->lock);
3010 }
3011
3012 static inline u32 tg3_tx_avail(struct tg3 *tp)
3013 {
3014         smp_mb();
3015         return (tp->tx_pending -
3016                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3017 }
3018
3019 /* Tigon3 never reports partial packet sends.  So we do not
3020  * need special logic to handle SKBs that have not had all
3021  * of their frags sent yet, like SunGEM does.
3022  */
3023 static void tg3_tx(struct tg3 *tp)
3024 {
3025         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3026         u32 sw_idx = tp->tx_cons;
3027
3028         while (sw_idx != hw_idx) {
3029                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3030                 struct sk_buff *skb = ri->skb;
3031                 int i, tx_bug = 0;
3032
3033                 if (unlikely(skb == NULL)) {
3034                         tg3_tx_recover(tp);
3035                         return;
3036                 }
3037
3038                 pci_unmap_single(tp->pdev,
3039                                  pci_unmap_addr(ri, mapping),
3040                                  skb_headlen(skb),
3041                                  PCI_DMA_TODEVICE);
3042
3043                 ri->skb = NULL;
3044
3045                 sw_idx = NEXT_TX(sw_idx);
3046
3047                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3048                         ri = &tp->tx_buffers[sw_idx];
3049                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3050                                 tx_bug = 1;
3051
3052                         pci_unmap_page(tp->pdev,
3053                                        pci_unmap_addr(ri, mapping),
3054                                        skb_shinfo(skb)->frags[i].size,
3055                                        PCI_DMA_TODEVICE);
3056
3057                         sw_idx = NEXT_TX(sw_idx);
3058                 }
3059
3060                 dev_kfree_skb(skb);
3061
3062                 if (unlikely(tx_bug)) {
3063                         tg3_tx_recover(tp);
3064                         return;
3065                 }
3066         }
3067
3068         tp->tx_cons = sw_idx;
3069
3070         /* Need to make the tx_cons update visible to tg3_start_xmit()
3071          * before checking for netif_queue_stopped().  Without the
3072          * memory barrier, there is a small possibility that tg3_start_xmit()
3073          * will miss it and cause the queue to be stopped forever.
3074          */
3075         smp_mb();
3076
3077         if (unlikely(netif_queue_stopped(tp->dev) &&
3078                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
3079                 netif_tx_lock(tp->dev);
3080                 if (netif_queue_stopped(tp->dev) &&
3081                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
3082                         netif_wake_queue(tp->dev);
3083                 netif_tx_unlock(tp->dev);
3084         }
3085 }
3086
3087 /* Returns size of skb allocated or < 0 on error.
3088  *
3089  * We only need to fill in the address because the other members
3090  * of the RX descriptor are invariant, see tg3_init_rings.
3091  *
3092  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3093  * posting buffers we only dirty the first cache line of the RX
3094  * descriptor (containing the address).  Whereas for the RX status
3095  * buffers the cpu only reads the last cacheline of the RX descriptor
3096  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3097  */
3098 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3099                             int src_idx, u32 dest_idx_unmasked)
3100 {
3101         struct tg3_rx_buffer_desc *desc;
3102         struct ring_info *map, *src_map;
3103         struct sk_buff *skb;
3104         dma_addr_t mapping;
3105         int skb_size, dest_idx;
3106
3107         src_map = NULL;
3108         switch (opaque_key) {
3109         case RXD_OPAQUE_RING_STD:
3110                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3111                 desc = &tp->rx_std[dest_idx];
3112                 map = &tp->rx_std_buffers[dest_idx];
3113                 if (src_idx >= 0)
3114                         src_map = &tp->rx_std_buffers[src_idx];
3115                 skb_size = tp->rx_pkt_buf_sz;
3116                 break;
3117
3118         case RXD_OPAQUE_RING_JUMBO:
3119                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3120                 desc = &tp->rx_jumbo[dest_idx];
3121                 map = &tp->rx_jumbo_buffers[dest_idx];
3122                 if (src_idx >= 0)
3123                         src_map = &tp->rx_jumbo_buffers[src_idx];
3124                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3125                 break;
3126
3127         default:
3128                 return -EINVAL;
3129         };
3130
3131         /* Do not overwrite any of the map or rp information
3132          * until we are sure we can commit to a new buffer.
3133          *
3134          * Callers depend upon this behavior and assume that
3135          * we leave everything unchanged if we fail.
3136          */
3137         skb = netdev_alloc_skb(tp->dev, skb_size);
3138         if (skb == NULL)
3139                 return -ENOMEM;
3140
3141         skb_reserve(skb, tp->rx_offset);
3142
3143         mapping = pci_map_single(tp->pdev, skb->data,
3144                                  skb_size - tp->rx_offset,
3145                                  PCI_DMA_FROMDEVICE);
3146
3147         map->skb = skb;
3148         pci_unmap_addr_set(map, mapping, mapping);
3149
3150         if (src_map != NULL)
3151                 src_map->skb = NULL;
3152
3153         desc->addr_hi = ((u64)mapping >> 32);
3154         desc->addr_lo = ((u64)mapping & 0xffffffff);
3155
3156         return skb_size;
3157 }
3158
3159 /* We only need to move over in the address because the other
3160  * members of the RX descriptor are invariant.  See notes above
3161  * tg3_alloc_rx_skb for full details.
3162  */
3163 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3164                            int src_idx, u32 dest_idx_unmasked)
3165 {
3166         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3167         struct ring_info *src_map, *dest_map;
3168         int dest_idx;
3169
3170         switch (opaque_key) {
3171         case RXD_OPAQUE_RING_STD:
3172                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3173                 dest_desc = &tp->rx_std[dest_idx];
3174                 dest_map = &tp->rx_std_buffers[dest_idx];
3175                 src_desc = &tp->rx_std[src_idx];
3176                 src_map = &tp->rx_std_buffers[src_idx];
3177                 break;
3178
3179         case RXD_OPAQUE_RING_JUMBO:
3180                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3181                 dest_desc = &tp->rx_jumbo[dest_idx];
3182                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3183                 src_desc = &tp->rx_jumbo[src_idx];
3184                 src_map = &tp->rx_jumbo_buffers[src_idx];
3185                 break;
3186
3187         default:
3188                 return;
3189         };
3190
3191         dest_map->skb = src_map->skb;
3192         pci_unmap_addr_set(dest_map, mapping,
3193                            pci_unmap_addr(src_map, mapping));
3194         dest_desc->addr_hi = src_desc->addr_hi;
3195         dest_desc->addr_lo = src_desc->addr_lo;
3196
3197         src_map->skb = NULL;
3198 }
3199
3200 #if TG3_VLAN_TAG_USED
3201 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3202 {
3203         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3204 }
3205 #endif
3206
3207 /* The RX ring scheme is composed of multiple rings which post fresh
3208  * buffers to the chip, and one special ring the chip uses to report
3209  * status back to the host.
3210  *
3211  * The special ring reports the status of received packets to the
3212  * host.  The chip does not write into the original descriptor the
3213  * RX buffer was obtained from.  The chip simply takes the original
3214  * descriptor as provided by the host, updates the status and length
3215  * field, then writes this into the next status ring entry.
3216  *
3217  * Each ring the host uses to post buffers to the chip is described
3218  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3219  * it is first placed into the on-chip ram.  When the packet's length
3220  * is known, it walks down the TG3_BDINFO entries to select the ring.
3221  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3222  * which is within the range of the new packet's length is chosen.
3223  *
3224  * The "separate ring for rx status" scheme may sound queer, but it makes
3225  * sense from a cache coherency perspective.  If only the host writes
3226  * to the buffer post rings, and only the chip writes to the rx status
3227  * rings, then cache lines never move beyond shared-modified state.
3228  * If both the host and chip were to write into the same ring, cache line
3229  * eviction could occur since both entities want it in an exclusive state.
3230  */
3231 static int tg3_rx(struct tg3 *tp, int budget)
3232 {
3233         u32 work_mask, rx_std_posted = 0;
3234         u32 sw_idx = tp->rx_rcb_ptr;
3235         u16 hw_idx;
3236         int received;
3237
3238         hw_idx = tp->hw_status->idx[0].rx_producer;
3239         /*
3240          * We need to order the read of hw_idx and the read of
3241          * the opaque cookie.
3242          */
3243         rmb();
3244         work_mask = 0;
3245         received = 0;
3246         while (sw_idx != hw_idx && budget > 0) {
3247                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3248                 unsigned int len;
3249                 struct sk_buff *skb;
3250                 dma_addr_t dma_addr;
3251                 u32 opaque_key, desc_idx, *post_ptr;
3252
3253                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3254                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3255                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3256                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3257                                                   mapping);
3258                         skb = tp->rx_std_buffers[desc_idx].skb;
3259                         post_ptr = &tp->rx_std_ptr;
3260                         rx_std_posted++;
3261                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3262                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3263                                                   mapping);
3264                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3265                         post_ptr = &tp->rx_jumbo_ptr;
3266                 }
3267                 else {
3268                         goto next_pkt_nopost;
3269                 }
3270
3271                 work_mask |= opaque_key;
3272
3273                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3274                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3275                 drop_it:
3276                         tg3_recycle_rx(tp, opaque_key,
3277                                        desc_idx, *post_ptr);
3278                 drop_it_no_recycle:
3279                         /* Other statistics kept track of by card. */
3280                         tp->net_stats.rx_dropped++;
3281                         goto next_pkt;
3282                 }
3283
3284                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3285
3286                 if (len > RX_COPY_THRESHOLD
3287                         && tp->rx_offset == 2
3288                         /* rx_offset != 2 iff this is a 5701 card running
3289                          * in PCI-X mode [see tg3_get_invariants()] */
3290                 ) {
3291                         int skb_size;
3292
3293                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3294                                                     desc_idx, *post_ptr);
3295                         if (skb_size < 0)
3296                                 goto drop_it;
3297
3298                         pci_unmap_single(tp->pdev, dma_addr,
3299                                          skb_size - tp->rx_offset,
3300                                          PCI_DMA_FROMDEVICE);
3301
3302                         skb_put(skb, len);
3303                 } else {
3304                         struct sk_buff *copy_skb;
3305
3306                         tg3_recycle_rx(tp, opaque_key,
3307                                        desc_idx, *post_ptr);
3308
3309                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3310                         if (copy_skb == NULL)
3311                                 goto drop_it_no_recycle;
3312
3313                         skb_reserve(copy_skb, 2);
3314                         skb_put(copy_skb, len);
3315                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3316                         memcpy(copy_skb->data, skb->data, len);
3317                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3318
3319                         /* We'll reuse the original ring buffer. */
3320                         skb = copy_skb;
3321                 }
3322
3323                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3324                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3325                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3326                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3327                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3328                 else
3329                         skb->ip_summed = CHECKSUM_NONE;
3330
3331                 skb->protocol = eth_type_trans(skb, tp->dev);
3332 #if TG3_VLAN_TAG_USED
3333                 if (tp->vlgrp != NULL &&
3334                     desc->type_flags & RXD_FLAG_VLAN) {
3335                         tg3_vlan_rx(tp, skb,
3336                                     desc->err_vlan & RXD_VLAN_MASK);
3337                 } else
3338 #endif
3339                         netif_receive_skb(skb);
3340
3341                 tp->dev->last_rx = jiffies;
3342                 received++;
3343                 budget--;
3344
3345 next_pkt:
3346                 (*post_ptr)++;
3347
3348                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3349                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3350
3351                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3352                                      TG3_64BIT_REG_LOW, idx);
3353                         work_mask &= ~RXD_OPAQUE_RING_STD;
3354                         rx_std_posted = 0;
3355                 }
3356 next_pkt_nopost:
3357                 sw_idx++;
3358                 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
3359
3360                 /* Refresh hw_idx to see if there is new work */
3361                 if (sw_idx == hw_idx) {
3362                         hw_idx = tp->hw_status->idx[0].rx_producer;
3363                         rmb();
3364                 }
3365         }
3366
3367         /* ACK the status ring. */
3368         tp->rx_rcb_ptr = sw_idx;
3369         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3370
3371         /* Refill RX ring(s). */
3372         if (work_mask & RXD_OPAQUE_RING_STD) {
3373                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3374                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3375                              sw_idx);
3376         }
3377         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3378                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3379                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3380                              sw_idx);
3381         }
3382         mmiowb();
3383
3384         return received;
3385 }
3386
3387 static int tg3_poll(struct net_device *netdev, int *budget)
3388 {
3389         struct tg3 *tp = netdev_priv(netdev);
3390         struct tg3_hw_status *sblk = tp->hw_status;
3391         int done;
3392
3393         /* handle link change and other phy events */
3394         if (!(tp->tg3_flags &
3395               (TG3_FLAG_USE_LINKCHG_REG |
3396                TG3_FLAG_POLL_SERDES))) {
3397                 if (sblk->status & SD_STATUS_LINK_CHG) {
3398                         sblk->status = SD_STATUS_UPDATED |
3399                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3400                         spin_lock(&tp->lock);
3401                         tg3_setup_phy(tp, 0);
3402                         spin_unlock(&tp->lock);
3403                 }
3404         }
3405
3406         /* run TX completion thread */
3407         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3408                 tg3_tx(tp);
3409                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3410                         netif_rx_complete(netdev);
3411                         schedule_work(&tp->reset_task);
3412                         return 0;
3413                 }
3414         }
3415
3416         /* run RX thread, within the bounds set by NAPI.
3417          * All RX "locking" is done by ensuring outside
3418          * code synchronizes with dev->poll()
3419          */
3420         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3421                 int orig_budget = *budget;
3422                 int work_done;
3423
3424                 if (orig_budget > netdev->quota)
3425                         orig_budget = netdev->quota;
3426
3427                 work_done = tg3_rx(tp, orig_budget);
3428
3429                 *budget -= work_done;
3430                 netdev->quota -= work_done;
3431         }
3432
3433         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3434                 tp->last_tag = sblk->status_tag;
3435                 rmb();
3436         } else
3437                 sblk->status &= ~SD_STATUS_UPDATED;
3438
3439         /* if no more work, tell net stack and NIC we're done */
3440         done = !tg3_has_work(tp);
3441         if (done) {
3442                 netif_rx_complete(netdev);
3443                 tg3_restart_ints(tp);
3444         }
3445
3446         return (done ? 0 : 1);
3447 }
3448
3449 static void tg3_irq_quiesce(struct tg3 *tp)
3450 {
3451         BUG_ON(tp->irq_sync);
3452
3453         tp->irq_sync = 1;
3454         smp_mb();
3455
3456         synchronize_irq(tp->pdev->irq);
3457 }
3458
3459 static inline int tg3_irq_sync(struct tg3 *tp)
3460 {
3461         return tp->irq_sync;
3462 }
3463
3464 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3465  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3466  * with as well.  Most of the time, this is not necessary except when
3467  * shutting down the device.
3468  */
3469 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3470 {
3471         if (irq_sync)
3472                 tg3_irq_quiesce(tp);
3473         spin_lock_bh(&tp->lock);
3474 }
3475
3476 static inline void tg3_full_unlock(struct tg3 *tp)
3477 {
3478         spin_unlock_bh(&tp->lock);
3479 }
3480
3481 /* One-shot MSI handler - Chip automatically disables interrupt
3482  * after sending MSI so driver doesn't have to do it.
3483  */
3484 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
3485 {
3486         struct net_device *dev = dev_id;
3487         struct tg3 *tp = netdev_priv(dev);
3488
3489         prefetch(tp->hw_status);
3490         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3491
3492         if (likely(!tg3_irq_sync(tp)))
3493                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3494
3495         return IRQ_HANDLED;
3496 }
3497
3498 /* MSI ISR - No need to check for interrupt sharing and no need to
3499  * flush status block and interrupt mailbox. PCI ordering rules
3500  * guarantee that MSI will arrive after the status block.
3501  */
3502 static irqreturn_t tg3_msi(int irq, void *dev_id)
3503 {
3504         struct net_device *dev = dev_id;
3505         struct tg3 *tp = netdev_priv(dev);
3506
3507         prefetch(tp->hw_status);
3508         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3509         /*
3510          * Writing any value to intr-mbox-0 clears PCI INTA# and
3511          * chip-internal interrupt pending events.
3512          * Writing non-zero to intr-mbox-0 additional tells the
3513          * NIC to stop sending us irqs, engaging "in-intr-handler"
3514          * event coalescing.
3515          */
3516         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3517         if (likely(!tg3_irq_sync(tp)))
3518                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3519
3520         return IRQ_RETVAL(1);
3521 }
3522
3523 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
3524 {
3525         struct net_device *dev = dev_id;
3526         struct tg3 *tp = netdev_priv(dev);
3527         struct tg3_hw_status *sblk = tp->hw_status;
3528         unsigned int handled = 1;
3529
3530         /* In INTx mode, it is possible for the interrupt to arrive at
3531          * the CPU before the status block posted prior to the interrupt.
3532          * Reading the PCI State register will confirm whether the
3533          * interrupt is ours and will flush the status block.
3534          */
3535         if ((sblk->status & SD_STATUS_UPDATED) ||
3536             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3537                 /*
3538                  * Writing any value to intr-mbox-0 clears PCI INTA# and
3539                  * chip-internal interrupt pending events.
3540                  * Writing non-zero to intr-mbox-0 additional tells the
3541                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3542                  * event coalescing.
3543                  */
3544                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3545                              0x00000001);
3546                 if (tg3_irq_sync(tp))
3547                         goto out;
3548                 sblk->status &= ~SD_STATUS_UPDATED;
3549                 if (likely(tg3_has_work(tp))) {
3550                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3551                         netif_rx_schedule(dev);         /* schedule NAPI poll */
3552                 } else {
3553                         /* No work, shared interrupt perhaps?  re-enable
3554                          * interrupts, and flush that PCI write
3555                          */
3556                         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3557                                 0x00000000);
3558                 }
3559         } else {        /* shared interrupt */
3560                 handled = 0;
3561         }
3562 out:
3563         return IRQ_RETVAL(handled);
3564 }
3565
3566 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
3567 {
3568         struct net_device *dev = dev_id;
3569         struct tg3 *tp = netdev_priv(dev);
3570         struct tg3_hw_status *sblk = tp->hw_status;
3571         unsigned int handled = 1;
3572
3573         /* In INTx mode, it is possible for the interrupt to arrive at
3574          * the CPU before the status block posted prior to the interrupt.
3575          * Reading the PCI State register will confirm whether the
3576          * interrupt is ours and will flush the status block.
3577          */
3578         if ((sblk->status_tag != tp->last_tag) ||
3579             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3580                 /*
3581                  * writing any value to intr-mbox-0 clears PCI INTA# and
3582                  * chip-internal interrupt pending events.
3583                  * writing non-zero to intr-mbox-0 additional tells the
3584                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3585                  * event coalescing.
3586                  */
3587                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3588                              0x00000001);
3589                 if (tg3_irq_sync(tp))
3590                         goto out;
3591                 if (netif_rx_schedule_prep(dev)) {
3592                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3593                         /* Update last_tag to mark that this status has been
3594                          * seen. Because interrupt may be shared, we may be
3595                          * racing with tg3_poll(), so only update last_tag
3596                          * if tg3_poll() is not scheduled.
3597                          */
3598                         tp->last_tag = sblk->status_tag;
3599                         __netif_rx_schedule(dev);
3600                 }
3601         } else {        /* shared interrupt */
3602                 handled = 0;
3603         }
3604 out:
3605         return IRQ_RETVAL(handled);
3606 }
3607
3608 /* ISR for interrupt test */
3609 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
3610 {
3611         struct net_device *dev = dev_id;
3612         struct tg3 *tp = netdev_priv(dev);
3613         struct tg3_hw_status *sblk = tp->hw_status;
3614
3615         if ((sblk->status & SD_STATUS_UPDATED) ||
3616             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3617                 tg3_disable_ints(tp);
3618                 return IRQ_RETVAL(1);
3619         }
3620         return IRQ_RETVAL(0);
3621 }
3622
3623 static int tg3_init_hw(struct tg3 *, int);
3624 static int tg3_halt(struct tg3 *, int, int);
3625
3626 /* Restart hardware after configuration changes, self-test, etc.
3627  * Invoked with tp->lock held.
3628  */
3629 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3630 {
3631         int err;
3632
3633         err = tg3_init_hw(tp, reset_phy);
3634         if (err) {
3635                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3636                        "aborting.\n", tp->dev->name);
3637                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3638                 tg3_full_unlock(tp);
3639                 del_timer_sync(&tp->timer);
3640                 tp->irq_sync = 0;
3641                 netif_poll_enable(tp->dev);
3642                 dev_close(tp->dev);
3643                 tg3_full_lock(tp, 0);
3644         }
3645         return err;
3646 }
3647
3648 #ifdef CONFIG_NET_POLL_CONTROLLER
3649 static void tg3_poll_controller(struct net_device *dev)
3650 {
3651         struct tg3 *tp = netdev_priv(dev);
3652
3653         tg3_interrupt(tp->pdev->irq, dev);
3654 }
3655 #endif
3656
3657 static void tg3_reset_task(struct work_struct *work)
3658 {
3659         struct tg3 *tp = container_of(work, struct tg3, reset_task);
3660         unsigned int restart_timer;
3661
3662         tg3_full_lock(tp, 0);
3663         tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3664
3665         if (!netif_running(tp->dev)) {
3666                 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3667                 tg3_full_unlock(tp);
3668                 return;
3669         }
3670
3671         tg3_full_unlock(tp);
3672
3673         tg3_netif_stop(tp);
3674
3675         tg3_full_lock(tp, 1);
3676
3677         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3678         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3679
3680         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3681                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3682                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3683                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3684                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3685         }
3686
3687         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3688         if (tg3_init_hw(tp, 1))
3689                 goto out;
3690
3691         tg3_netif_start(tp);
3692
3693         if (restart_timer)
3694                 mod_timer(&tp->timer, jiffies + 1);
3695
3696 out:
3697         tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3698
3699         tg3_full_unlock(tp);
3700 }
3701
3702 static void tg3_tx_timeout(struct net_device *dev)
3703 {
3704         struct tg3 *tp = netdev_priv(dev);
3705
3706         printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3707                dev->name);
3708
3709         schedule_work(&tp->reset_task);
3710 }
3711
3712 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3713 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3714 {
3715         u32 base = (u32) mapping & 0xffffffff;
3716
3717         return ((base > 0xffffdcc0) &&
3718                 (base + len + 8 < base));
3719 }
3720
3721 /* Test for DMA addresses > 40-bit */
3722 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3723                                           int len)
3724 {
3725 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3726         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3727                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3728         return 0;
3729 #else
3730         return 0;
3731 #endif
3732 }
3733
3734 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3735
3736 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3737 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3738                                        u32 last_plus_one, u32 *start,
3739                                        u32 base_flags, u32 mss)
3740 {
3741         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3742         dma_addr_t new_addr = 0;
3743         u32 entry = *start;
3744         int i, ret = 0;
3745
3746         if (!new_skb) {
3747                 ret = -1;
3748         } else {
3749                 /* New SKB is guaranteed to be linear. */
3750                 entry = *start;
3751                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3752                                           PCI_DMA_TODEVICE);
3753                 /* Make sure new skb does not cross any 4G boundaries.
3754                  * Drop the packet if it does.
3755                  */
3756                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3757                         ret = -1;
3758                         dev_kfree_skb(new_skb);
3759                         new_skb = NULL;
3760                 } else {
3761                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3762                                     base_flags, 1 | (mss << 1));
3763                         *start = NEXT_TX(entry);
3764                 }
3765         }
3766
3767         /* Now clean up the sw ring entries. */
3768         i = 0;
3769         while (entry != last_plus_one) {
3770                 int len;
3771
3772                 if (i == 0)
3773                         len = skb_headlen(skb);
3774                 else
3775                         len = skb_shinfo(skb)->frags[i-1].size;
3776                 pci_unmap_single(tp->pdev,
3777                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3778                                  len, PCI_DMA_TODEVICE);
3779                 if (i == 0) {
3780                         tp->tx_buffers[entry].skb = new_skb;
3781                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3782                 } else {
3783                         tp->tx_buffers[entry].skb = NULL;
3784                 }
3785                 entry = NEXT_TX(entry);
3786                 i++;
3787         }
3788
3789         dev_kfree_skb(skb);
3790
3791         return ret;
3792 }
3793
3794 static void tg3_set_txd(struct tg3 *tp, int entry,
3795                         dma_addr_t mapping, int len, u32 flags,
3796                         u32 mss_and_is_end)
3797 {
3798         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3799         int is_end = (mss_and_is_end & 0x1);
3800         u32 mss = (mss_and_is_end >> 1);
3801         u32 vlan_tag = 0;
3802
3803         if (is_end)
3804                 flags |= TXD_FLAG_END;
3805         if (flags & TXD_FLAG_VLAN) {
3806                 vlan_tag = flags >> 16;
3807                 flags &= 0xffff;
3808         }
3809         vlan_tag |= (mss << TXD_MSS_SHIFT);
3810
3811         txd->addr_hi = ((u64) mapping >> 32);
3812         txd->addr_lo = ((u64) mapping & 0xffffffff);
3813         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3814         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3815 }
3816
3817 /* hard_start_xmit for devices that don't have any bugs and
3818  * support TG3_FLG2_HW_TSO_2 only.
3819  */
3820 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3821 {
3822         struct tg3 *tp = netdev_priv(dev);
3823         dma_addr_t mapping;
3824         u32 len, entry, base_flags, mss;
3825
3826         len = skb_headlen(skb);
3827
3828         /* We are running in BH disabled context with netif_tx_lock
3829          * and TX reclaim runs via tp->poll inside of a software
3830          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3831          * no IRQ context deadlocks to worry about either.  Rejoice!
3832          */
3833         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3834                 if (!netif_queue_stopped(dev)) {
3835                         netif_stop_queue(dev);
3836
3837                         /* This is a hard error, log it. */
3838                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3839                                "queue awake!\n", dev->name);
3840                 }
3841                 return NETDEV_TX_BUSY;
3842         }
3843
3844         entry = tp->tx_prod;
3845         base_flags = 0;
3846 #if TG3_TSO_SUPPORT != 0
3847         mss = 0;
3848         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3849             (mss = skb_shinfo(skb)->gso_size) != 0) {
3850                 int tcp_opt_len, ip_tcp_len;
3851
3852                 if (skb_header_cloned(skb) &&
3853                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3854                         dev_kfree_skb(skb);
3855                         goto out_unlock;
3856                 }
3857
3858                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3859                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3860                 else {
3861                         tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3862                         ip_tcp_len = (skb->nh.iph->ihl * 4) +
3863                                      sizeof(struct tcphdr);
3864
3865                         skb->nh.iph->check = 0;
3866                         skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3867                                                      tcp_opt_len);
3868                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3869                 }
3870
3871                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3872                                TXD_FLAG_CPU_POST_DMA);
3873
3874                 skb->h.th->check = 0;
3875
3876         }
3877         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3878                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3879 #else
3880         mss = 0;
3881         if (skb->ip_summed == CHECKSUM_PARTIAL)
3882                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3883 #endif
3884 #if TG3_VLAN_TAG_USED
3885         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3886                 base_flags |= (TXD_FLAG_VLAN |
3887                                (vlan_tx_tag_get(skb) << 16));
3888 #endif
3889
3890         /* Queue skb data, a.k.a. the main skb fragment. */
3891         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3892
3893         tp->tx_buffers[entry].skb = skb;
3894         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3895
3896         tg3_set_txd(tp, entry, mapping, len, base_flags,
3897                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3898
3899         entry = NEXT_TX(entry);
3900
3901         /* Now loop through additional data fragments, and queue them. */
3902         if (skb_shinfo(skb)->nr_frags > 0) {
3903                 unsigned int i, last;
3904
3905                 last = skb_shinfo(skb)->nr_frags - 1;
3906                 for (i = 0; i <= last; i++) {
3907                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3908
3909                         len = frag->size;
3910                         mapping = pci_map_page(tp->pdev,
3911                                                frag->page,
3912                                                frag->page_offset,
3913                                                len, PCI_DMA_TODEVICE);
3914
3915                         tp->tx_buffers[entry].skb = NULL;
3916                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3917
3918                         tg3_set_txd(tp, entry, mapping, len,
3919                                     base_flags, (i == last) | (mss << 1));
3920
3921                         entry = NEXT_TX(entry);
3922                 }
3923         }
3924
3925         /* Packets are ready, update Tx producer idx local and on card. */
3926         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3927
3928         tp->tx_prod = entry;
3929         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
3930                 netif_stop_queue(dev);
3931                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
3932                         netif_wake_queue(tp->dev);
3933         }
3934
3935 out_unlock:
3936         mmiowb();
3937
3938         dev->trans_start = jiffies;
3939
3940         return NETDEV_TX_OK;
3941 }
3942
3943 #if TG3_TSO_SUPPORT != 0
3944 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3945
3946 /* Use GSO to workaround a rare TSO bug that may be triggered when the
3947  * TSO header is greater than 80 bytes.
3948  */
3949 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3950 {
3951         struct sk_buff *segs, *nskb;
3952
3953         /* Estimate the number of fragments in the worst case */
3954         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
3955                 netif_stop_queue(tp->dev);
3956                 return NETDEV_TX_BUSY;
3957         }
3958
3959         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
3960         if (unlikely(IS_ERR(segs)))
3961                 goto tg3_tso_bug_end;
3962
3963         do {
3964                 nskb = segs;
3965                 segs = segs->next;
3966                 nskb->next = NULL;
3967                 tg3_start_xmit_dma_bug(nskb, tp->dev);
3968         } while (segs);
3969
3970 tg3_tso_bug_end:
3971         dev_kfree_skb(skb);
3972
3973         return NETDEV_TX_OK;
3974 }
3975 #endif
3976
3977 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
3978  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
3979  */
3980 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
3981 {
3982         struct tg3 *tp = netdev_priv(dev);
3983         dma_addr_t mapping;
3984         u32 len, entry, base_flags, mss;
3985         int would_hit_hwbug;
3986
3987         len = skb_headlen(skb);
3988
3989         /* We are running in BH disabled context with netif_tx_lock
3990          * and TX reclaim runs via tp->poll inside of a software
3991          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3992          * no IRQ context deadlocks to worry about either.  Rejoice!
3993          */
3994         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3995                 if (!netif_queue_stopped(dev)) {
3996                         netif_stop_queue(dev);
3997
3998                         /* This is a hard error, log it. */
3999                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4000                                "queue awake!\n", dev->name);
4001                 }
4002                 return NETDEV_TX_BUSY;
4003         }
4004
4005         entry = tp->tx_prod;
4006         base_flags = 0;
4007         if (skb->ip_summed == CHECKSUM_PARTIAL)
4008                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4009 #if TG3_TSO_SUPPORT != 0
4010         mss = 0;
4011         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
4012             (mss = skb_shinfo(skb)->gso_size) != 0) {
4013                 int tcp_opt_len, ip_tcp_len, hdr_len;
4014
4015                 if (skb_header_cloned(skb) &&
4016                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4017                         dev_kfree_skb(skb);
4018                         goto out_unlock;
4019                 }
4020
4021                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4022                 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4023
4024                 hdr_len = ip_tcp_len + tcp_opt_len;
4025                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4026                              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
4027                         return (tg3_tso_bug(tp, skb));
4028
4029                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4030                                TXD_FLAG_CPU_POST_DMA);
4031
4032                 skb->nh.iph->check = 0;
4033                 skb->nh.iph->tot_len = htons(mss + hdr_len);
4034                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4035                         skb->h.th->check = 0;
4036                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4037                 }
4038                 else {
4039                         skb->h.th->check =
4040                                 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4041                                                    skb->nh.iph->daddr,
4042                                                    0, IPPROTO_TCP, 0);
4043                 }
4044
4045                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4046                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4047                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4048                                 int tsflags;
4049
4050                                 tsflags = ((skb->nh.iph->ihl - 5) +
4051                                            (tcp_opt_len >> 2));
4052                                 mss |= (tsflags << 11);
4053                         }
4054                 } else {
4055                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4056                                 int tsflags;
4057
4058                                 tsflags = ((skb->nh.iph->ihl - 5) +
4059                                            (tcp_opt_len >> 2));
4060                                 base_flags |= tsflags << 12;
4061                         }
4062                 }
4063         }
4064 #else
4065         mss = 0;
4066 #endif
4067 #if TG3_VLAN_TAG_USED
4068         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4069                 base_flags |= (TXD_FLAG_VLAN |
4070                                (vlan_tx_tag_get(skb) << 16));
4071 #endif
4072
4073         /* Queue skb data, a.k.a. the main skb fragment. */
4074         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4075
4076         tp->tx_buffers[entry].skb = skb;
4077         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4078
4079         would_hit_hwbug = 0;
4080
4081         if (tg3_4g_overflow_test(mapping, len))
4082                 would_hit_hwbug = 1;
4083
4084         tg3_set_txd(tp, entry, mapping, len, base_flags,
4085                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4086
4087         entry = NEXT_TX(entry);
4088
4089         /* Now loop through additional data fragments, and queue them. */
4090         if (skb_shinfo(skb)->nr_frags > 0) {
4091                 unsigned int i, last;
4092
4093                 last = skb_shinfo(skb)->nr_frags - 1;
4094                 for (i = 0; i <= last; i++) {
4095                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4096
4097                         len = frag->size;
4098                         mapping = pci_map_page(tp->pdev,
4099                                                frag->page,
4100                                                frag->page_offset,
4101                                                len, PCI_DMA_TODEVICE);
4102
4103                         tp->tx_buffers[entry].skb = NULL;
4104                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4105
4106                         if (tg3_4g_overflow_test(mapping, len))
4107                                 would_hit_hwbug = 1;
4108
4109                         if (tg3_40bit_overflow_test(tp, mapping, len))
4110                                 would_hit_hwbug = 1;
4111
4112                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4113                                 tg3_set_txd(tp, entry, mapping, len,
4114                                             base_flags, (i == last)|(mss << 1));
4115                         else
4116                                 tg3_set_txd(tp, entry, mapping, len,
4117                                             base_flags, (i == last));
4118
4119                         entry = NEXT_TX(entry);
4120                 }
4121         }
4122
4123         if (would_hit_hwbug) {
4124                 u32 last_plus_one = entry;
4125                 u32 start;
4126
4127                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4128                 start &= (TG3_TX_RING_SIZE - 1);
4129
4130                 /* If the workaround fails due to memory/mapping
4131                  * failure, silently drop this packet.
4132                  */
4133                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4134                                                 &start, base_flags, mss))
4135                         goto out_unlock;
4136
4137                 entry = start;
4138         }
4139
4140         /* Packets are ready, update Tx producer idx local and on card. */
4141         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4142
4143         tp->tx_prod = entry;
4144         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4145                 netif_stop_queue(dev);
4146                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
4147                         netif_wake_queue(tp->dev);
4148         }
4149
4150 out_unlock:
4151         mmiowb();
4152
4153         dev->trans_start = jiffies;
4154
4155         return NETDEV_TX_OK;
4156 }
4157
4158 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4159                                int new_mtu)
4160 {
4161         dev->mtu = new_mtu;
4162
4163         if (new_mtu > ETH_DATA_LEN) {
4164                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4165                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4166                         ethtool_op_set_tso(dev, 0);
4167                 }
4168                 else
4169                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4170         } else {
4171                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4172                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4173                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4174         }
4175 }
4176
4177 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4178 {
4179         struct tg3 *tp = netdev_priv(dev);
4180         int err;
4181
4182         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4183                 return -EINVAL;
4184
4185         if (!netif_running(dev)) {
4186                 /* We'll just catch it later when the
4187                  * device is up'd.
4188                  */
4189                 tg3_set_mtu(dev, tp, new_mtu);
4190                 return 0;
4191         }
4192
4193         tg3_netif_stop(tp);
4194
4195         tg3_full_lock(tp, 1);
4196
4197         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4198
4199         tg3_set_mtu(dev, tp, new_mtu);
4200
4201         err = tg3_restart_hw(tp, 0);
4202
4203         if (!err)
4204                 tg3_netif_start(tp);
4205
4206         tg3_full_unlock(tp);
4207
4208         return err;
4209 }
4210
4211 /* Free up pending packets in all rx/tx rings.
4212  *
4213  * The chip has been shut down and the driver detached from
4214  * the networking, so no interrupts or new tx packets will
4215  * end up in the driver.  tp->{tx,}lock is not held and we are not
4216  * in an interrupt context and thus may sleep.
4217  */
4218 static void tg3_free_rings(struct tg3 *tp)
4219 {
4220         struct ring_info *rxp;
4221         int i;
4222
4223         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4224                 rxp = &tp->rx_std_buffers[i];
4225
4226                 if (rxp->skb == NULL)
4227                         continue;
4228                 pci_unmap_single(tp->pdev,
4229                                  pci_unmap_addr(rxp, mapping),
4230                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4231                                  PCI_DMA_FROMDEVICE);
4232                 dev_kfree_skb_any(rxp->skb);
4233                 rxp->skb = NULL;
4234         }
4235
4236         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4237                 rxp = &tp->rx_jumbo_buffers[i];
4238
4239                 if (rxp->skb == NULL)
4240                         continue;
4241                 pci_unmap_single(tp->pdev,
4242                                  pci_unmap_addr(rxp, mapping),
4243                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4244                                  PCI_DMA_FROMDEVICE);
4245                 dev_kfree_skb_any(rxp->skb);
4246                 rxp->skb = NULL;
4247         }
4248
4249         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4250                 struct tx_ring_info *txp;
4251                 struct sk_buff *skb;
4252                 int j;
4253
4254                 txp = &tp->tx_buffers[i];
4255                 skb = txp->skb;
4256
4257                 if (skb == NULL) {
4258                         i++;
4259                         continue;
4260                 }
4261
4262                 pci_unmap_single(tp->pdev,
4263                                  pci_unmap_addr(txp, mapping),
4264                                  skb_headlen(skb),
4265                                  PCI_DMA_TODEVICE);
4266                 txp->skb = NULL;
4267
4268                 i++;
4269
4270                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4271                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4272                         pci_unmap_page(tp->pdev,
4273                                        pci_unmap_addr(txp, mapping),
4274                                        skb_shinfo(skb)->frags[j].size,
4275                                        PCI_DMA_TODEVICE);
4276                         i++;
4277                 }
4278
4279                 dev_kfree_skb_any(skb);
4280         }
4281 }
4282
4283 /* Initialize tx/rx rings for packet processing.
4284  *
4285  * The chip has been shut down and the driver detached from
4286  * the networking, so no interrupts or new tx packets will
4287  * end up in the driver.  tp->{tx,}lock are held and thus
4288  * we may not sleep.
4289  */
4290 static int tg3_init_rings(struct tg3 *tp)
4291 {
4292         u32 i;
4293
4294         /* Free up all the SKBs. */
4295         tg3_free_rings(tp);
4296
4297         /* Zero out all descriptors. */
4298         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4299         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4300         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4301         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4302
4303         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4304         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4305             (tp->dev->mtu > ETH_DATA_LEN))
4306                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4307
4308         /* Initialize invariants of the rings, we only set this
4309          * stuff once.  This works because the card does not
4310          * write into the rx buffer posting rings.
4311          */
4312         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4313                 struct tg3_rx_buffer_desc *rxd;
4314
4315                 rxd = &tp->rx_std[i];
4316                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4317                         << RXD_LEN_SHIFT;
4318                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4319                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4320                                (i << RXD_OPAQUE_INDEX_SHIFT));
4321         }
4322
4323         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4324                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4325                         struct tg3_rx_buffer_desc *rxd;
4326
4327                         rxd = &tp->rx_jumbo[i];
4328                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4329                                 << RXD_LEN_SHIFT;
4330                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4331                                 RXD_FLAG_JUMBO;
4332                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4333                                (i << RXD_OPAQUE_INDEX_SHIFT));
4334                 }
4335         }
4336
4337         /* Now allocate fresh SKBs for each rx ring. */
4338         for (i = 0; i < tp->rx_pending; i++) {
4339                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4340                         printk(KERN_WARNING PFX
4341                                "%s: Using a smaller RX standard ring, "
4342                                "only %d out of %d buffers were allocated "
4343                                "successfully.\n",
4344                                tp->dev->name, i, tp->rx_pending);
4345                         if (i == 0)
4346                                 return -ENOMEM;
4347                         tp->rx_pending = i;
4348                         break;
4349                 }
4350         }
4351
4352         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4353                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4354                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4355                                              -1, i) < 0) {
4356                                 printk(KERN_WARNING PFX
4357                                        "%s: Using a smaller RX jumbo ring, "
4358                                        "only %d out of %d buffers were "
4359                                        "allocated successfully.\n",
4360                                        tp->dev->name, i, tp->rx_jumbo_pending);
4361                                 if (i == 0) {
4362                                         tg3_free_rings(tp);
4363                                         return -ENOMEM;
4364                                 }
4365                                 tp->rx_jumbo_pending = i;
4366                                 break;
4367                         }
4368                 }
4369         }
4370         return 0;
4371 }
4372
4373 /*
4374  * Must not be invoked with interrupt sources disabled and
4375  * the hardware shutdown down.
4376  */
4377 static void tg3_free_consistent(struct tg3 *tp)
4378 {
4379         kfree(tp->rx_std_buffers);
4380         tp->rx_std_buffers = NULL;
4381         if (tp->rx_std) {
4382                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4383                                     tp->rx_std, tp->rx_std_mapping);
4384                 tp->rx_std = NULL;
4385         }
4386         if (tp->rx_jumbo) {
4387                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4388                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4389                 tp->rx_jumbo = NULL;
4390         }
4391         if (tp->rx_rcb) {
4392                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4393                                     tp->rx_rcb, tp->rx_rcb_mapping);
4394                 tp->rx_rcb = NULL;
4395         }
4396         if (tp->tx_ring) {
4397                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4398                         tp->tx_ring, tp->tx_desc_mapping);
4399                 tp->tx_ring = NULL;
4400         }
4401         if (tp->hw_status) {
4402                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4403                                     tp->hw_status, tp->status_mapping);
4404                 tp->hw_status = NULL;
4405         }
4406         if (tp->hw_stats) {
4407                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4408                                     tp->hw_stats, tp->stats_mapping);
4409                 tp->hw_stats = NULL;
4410         }
4411 }
4412
4413 /*
4414  * Must not be invoked with interrupt sources disabled and
4415  * the hardware shutdown down.  Can sleep.
4416  */
4417 static int tg3_alloc_consistent(struct tg3 *tp)
4418 {
4419         tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
4420                                       (TG3_RX_RING_SIZE +
4421                                        TG3_RX_JUMBO_RING_SIZE)) +
4422                                      (sizeof(struct tx_ring_info) *
4423                                       TG3_TX_RING_SIZE),
4424                                      GFP_KERNEL);
4425         if (!tp->rx_std_buffers)
4426                 return -ENOMEM;
4427
4428         memset(tp->rx_std_buffers, 0,
4429                (sizeof(struct ring_info) *
4430                 (TG3_RX_RING_SIZE +
4431                  TG3_RX_JUMBO_RING_SIZE)) +
4432                (sizeof(struct tx_ring_info) *
4433                 TG3_TX_RING_SIZE));
4434
4435         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4436         tp->tx_buffers = (struct tx_ring_info *)
4437                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4438
4439         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4440                                           &tp->rx_std_mapping);
4441         if (!tp->rx_std)
4442                 goto err_out;
4443
4444         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4445                                             &tp->rx_jumbo_mapping);
4446
4447         if (!tp->rx_jumbo)
4448                 goto err_out;
4449
4450         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4451                                           &tp->rx_rcb_mapping);
4452         if (!tp->rx_rcb)
4453                 goto err_out;
4454
4455         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4456                                            &tp->tx_desc_mapping);
4457         if (!tp->tx_ring)
4458                 goto err_out;
4459
4460         tp->hw_status = pci_alloc_consistent(tp->pdev,
4461                                              TG3_HW_STATUS_SIZE,
4462                                              &tp->status_mapping);
4463         if (!tp->hw_status)
4464                 goto err_out;
4465
4466         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4467                                             sizeof(struct tg3_hw_stats),
4468                                             &tp->stats_mapping);
4469         if (!tp->hw_stats)
4470                 goto err_out;
4471
4472         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4473         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4474
4475         return 0;
4476
4477 err_out:
4478         tg3_free_consistent(tp);
4479         return -ENOMEM;
4480 }
4481
4482 #define MAX_WAIT_CNT 1000
4483
4484 /* To stop a block, clear the enable bit and poll till it
4485  * clears.  tp->lock is held.
4486  */
4487 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4488 {
4489         unsigned int i;
4490         u32 val;
4491
4492         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4493                 switch (ofs) {
4494                 case RCVLSC_MODE:
4495                 case DMAC_MODE:
4496                 case MBFREE_MODE:
4497                 case BUFMGR_MODE:
4498                 case MEMARB_MODE:
4499                         /* We can't enable/disable these bits of the
4500                          * 5705/5750, just say success.
4501                          */
4502                         return 0;
4503
4504                 default:
4505                         break;
4506                 };
4507         }
4508
4509         val = tr32(ofs);
4510         val &= ~enable_bit;
4511         tw32_f(ofs, val);
4512
4513         for (i = 0; i < MAX_WAIT_CNT; i++) {
4514                 udelay(100);
4515                 val = tr32(ofs);
4516                 if ((val & enable_bit) == 0)
4517                         break;
4518         }
4519
4520         if (i == MAX_WAIT_CNT && !silent) {
4521                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4522                        "ofs=%lx enable_bit=%x\n",
4523                        ofs, enable_bit);
4524                 return -ENODEV;
4525         }
4526
4527         return 0;
4528 }
4529
4530 /* tp->lock is held. */
4531 static int tg3_abort_hw(struct tg3 *tp, int silent)
4532 {
4533         int i, err;
4534
4535         tg3_disable_ints(tp);
4536
4537         tp->rx_mode &= ~RX_MODE_ENABLE;
4538         tw32_f(MAC_RX_MODE, tp->rx_mode);
4539         udelay(10);
4540
4541         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4542         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4543         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4544         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4545         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4546         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4547
4548         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4549         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4550         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4551         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4552         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4553         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4554         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4555
4556         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4557         tw32_f(MAC_MODE, tp->mac_mode);
4558         udelay(40);
4559
4560         tp->tx_mode &= ~TX_MODE_ENABLE;
4561         tw32_f(MAC_TX_MODE, tp->tx_mode);
4562
4563         for (i = 0; i < MAX_WAIT_CNT; i++) {
4564                 udelay(100);
4565                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4566                         break;
4567         }
4568         if (i >= MAX_WAIT_CNT) {
4569                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4570                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4571                        tp->dev->name, tr32(MAC_TX_MODE));
4572                 err |= -ENODEV;
4573         }
4574
4575         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4576         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4577         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4578
4579         tw32(FTQ_RESET, 0xffffffff);
4580         tw32(FTQ_RESET, 0x00000000);
4581
4582         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4583         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4584
4585         if (tp->hw_status)
4586                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4587         if (tp->hw_stats)
4588                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4589
4590         return err;
4591 }
4592
4593 /* tp->lock is held. */
4594 static int tg3_nvram_lock(struct tg3 *tp)
4595 {
4596         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4597                 int i;
4598
4599                 if (tp->nvram_lock_cnt == 0) {
4600                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4601                         for (i = 0; i < 8000; i++) {
4602                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4603                                         break;
4604                                 udelay(20);
4605                         }
4606                         if (i == 8000) {
4607                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4608                                 return -ENODEV;
4609                         }
4610                 }
4611                 tp->nvram_lock_cnt++;
4612         }
4613         return 0;
4614 }
4615
4616 /* tp->lock is held. */
4617 static void tg3_nvram_unlock(struct tg3 *tp)
4618 {
4619         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4620                 if (tp->nvram_lock_cnt > 0)
4621                         tp->nvram_lock_cnt--;
4622                 if (tp->nvram_lock_cnt == 0)
4623                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4624         }
4625 }
4626
4627 /* tp->lock is held. */
4628 static void tg3_enable_nvram_access(struct tg3 *tp)
4629 {
4630         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4631             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4632                 u32 nvaccess = tr32(NVRAM_ACCESS);
4633
4634                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4635         }
4636 }
4637
4638 /* tp->lock is held. */
4639 static void tg3_disable_nvram_access(struct tg3 *tp)
4640 {
4641         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4642             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4643                 u32 nvaccess = tr32(NVRAM_ACCESS);
4644
4645                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4646         }
4647 }
4648
4649 /* tp->lock is held. */
4650 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4651 {
4652         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4653                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4654
4655         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4656                 switch (kind) {
4657                 case RESET_KIND_INIT:
4658                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4659                                       DRV_STATE_START);
4660                         break;
4661
4662                 case RESET_KIND_SHUTDOWN:
4663                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4664                                       DRV_STATE_UNLOAD);
4665                         break;
4666
4667                 case RESET_KIND_SUSPEND:
4668                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4669                                       DRV_STATE_SUSPEND);
4670                         break;
4671
4672                 default:
4673                         break;
4674                 };
4675         }
4676 }
4677
4678 /* tp->lock is held. */
4679 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4680 {
4681         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4682                 switch (kind) {
4683                 case RESET_KIND_INIT:
4684                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4685                                       DRV_STATE_START_DONE);
4686                         break;
4687
4688                 case RESET_KIND_SHUTDOWN:
4689                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4690                                       DRV_STATE_UNLOAD_DONE);
4691                         break;
4692
4693                 default:
4694                         break;
4695                 };
4696         }
4697 }
4698
4699 /* tp->lock is held. */
4700 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4701 {
4702         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4703                 switch (kind) {
4704                 case RESET_KIND_INIT:
4705                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4706                                       DRV_STATE_START);
4707                         break;
4708
4709                 case RESET_KIND_SHUTDOWN:
4710                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4711                                       DRV_STATE_UNLOAD);
4712                         break;
4713
4714                 case RESET_KIND_SUSPEND:
4715                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4716                                       DRV_STATE_SUSPEND);
4717                         break;
4718
4719                 default:
4720                         break;
4721                 };
4722         }
4723 }
4724
4725 static int tg3_poll_fw(struct tg3 *tp)
4726 {
4727         int i;
4728         u32 val;
4729
4730         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4731                 /* Wait up to 20ms for init done. */
4732                 for (i = 0; i < 200; i++) {
4733                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4734                                 return 0;
4735                         udelay(100);
4736                 }
4737                 return -ENODEV;
4738         }
4739
4740         /* Wait for firmware initialization to complete. */
4741         for (i = 0; i < 100000; i++) {
4742                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4743                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4744                         break;
4745                 udelay(10);
4746         }
4747
4748         /* Chip might not be fitted with firmware.  Some Sun onboard
4749          * parts are configured like that.  So don't signal the timeout
4750          * of the above loop as an error, but do report the lack of
4751          * running firmware once.
4752          */
4753         if (i >= 100000 &&
4754             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4755                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4756
4757                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4758                        tp->dev->name);
4759         }
4760
4761         return 0;
4762 }
4763
4764 static void tg3_stop_fw(struct tg3 *);
4765
4766 /* tp->lock is held. */
4767 static int tg3_chip_reset(struct tg3 *tp)
4768 {
4769         u32 val;
4770         void (*write_op)(struct tg3 *, u32, u32);
4771         int err;
4772
4773         tg3_nvram_lock(tp);
4774
4775         /* No matching tg3_nvram_unlock() after this because
4776          * chip reset below will undo the nvram lock.
4777          */
4778         tp->nvram_lock_cnt = 0;
4779
4780         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4781             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4782             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4783                 tw32(GRC_FASTBOOT_PC, 0);
4784
4785         /*
4786          * We must avoid the readl() that normally takes place.
4787          * It locks machines, causes machine checks, and other
4788          * fun things.  So, temporarily disable the 5701
4789          * hardware workaround, while we do the reset.
4790          */
4791         write_op = tp->write32;
4792         if (write_op == tg3_write_flush_reg32)
4793                 tp->write32 = tg3_write32;
4794
4795         /* do the reset */
4796         val = GRC_MISC_CFG_CORECLK_RESET;
4797
4798         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4799                 if (tr32(0x7e2c) == 0x60) {
4800                         tw32(0x7e2c, 0x20);
4801                 }
4802                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4803                         tw32(GRC_MISC_CFG, (1 << 29));
4804                         val |= (1 << 29);
4805                 }
4806         }
4807
4808         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4809                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4810                 tw32(GRC_VCPU_EXT_CTRL,
4811                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4812         }
4813
4814         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4815                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4816         tw32(GRC_MISC_CFG, val);
4817
4818         /* restore 5701 hardware bug workaround write method */
4819         tp->write32 = write_op;
4820
4821         /* Unfortunately, we have to delay before the PCI read back.
4822          * Some 575X chips even will not respond to a PCI cfg access
4823          * when the reset command is given to the chip.
4824          *
4825          * How do these hardware designers expect things to work
4826          * properly if the PCI write is posted for a long period
4827          * of time?  It is always necessary to have some method by
4828          * which a register read back can occur to push the write
4829          * out which does the reset.
4830          *
4831          * For most tg3 variants the trick below was working.
4832          * Ho hum...
4833          */
4834         udelay(120);
4835
4836         /* Flush PCI posted writes.  The normal MMIO registers
4837          * are inaccessible at this time so this is the only
4838          * way to make this reliably (actually, this is no longer
4839          * the case, see above).  I tried to use indirect
4840          * register read/write but this upset some 5701 variants.
4841          */
4842         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4843
4844         udelay(120);
4845
4846         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4847                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4848                         int i;
4849                         u32 cfg_val;
4850
4851                         /* Wait for link training to complete.  */
4852                         for (i = 0; i < 5000; i++)
4853                                 udelay(100);
4854
4855                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4856                         pci_write_config_dword(tp->pdev, 0xc4,
4857                                                cfg_val | (1 << 15));
4858                 }
4859                 /* Set PCIE max payload size and clear error status.  */
4860                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4861         }
4862
4863         /* Re-enable indirect register accesses. */
4864         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4865                                tp->misc_host_ctrl);
4866
4867         /* Set MAX PCI retry to zero. */
4868         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4869         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4870             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4871                 val |= PCISTATE_RETRY_SAME_DMA;
4872         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4873
4874         pci_restore_state(tp->pdev);
4875
4876         /* Make sure PCI-X relaxed ordering bit is clear. */
4877         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4878         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4879         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4880
4881         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4882                 u32 val;
4883
4884                 /* Chip reset on 5780 will reset MSI enable bit,
4885                  * so need to restore it.
4886                  */
4887                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4888                         u16 ctrl;
4889
4890                         pci_read_config_word(tp->pdev,
4891                                              tp->msi_cap + PCI_MSI_FLAGS,
4892                                              &ctrl);
4893                         pci_write_config_word(tp->pdev,
4894                                               tp->msi_cap + PCI_MSI_FLAGS,
4895                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4896                         val = tr32(MSGINT_MODE);
4897                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4898                 }
4899
4900                 val = tr32(MEMARB_MODE);
4901                 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4902
4903         } else
4904                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4905
4906         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4907                 tg3_stop_fw(tp);
4908                 tw32(0x5000, 0x400);
4909         }
4910
4911         tw32(GRC_MODE, tp->grc_mode);
4912
4913         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4914                 u32 val = tr32(0xc4);
4915
4916                 tw32(0xc4, val | (1 << 15));
4917         }
4918
4919         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4920             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4921                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4922                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4923                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4924                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4925         }
4926
4927         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4928                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4929                 tw32_f(MAC_MODE, tp->mac_mode);
4930         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4931                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4932                 tw32_f(MAC_MODE, tp->mac_mode);
4933         } else
4934                 tw32_f(MAC_MODE, 0);
4935         udelay(40);
4936
4937         err = tg3_poll_fw(tp);
4938         if (err)
4939                 return err;
4940
4941         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4942             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4943                 u32 val = tr32(0x7c00);
4944
4945                 tw32(0x7c00, val | (1 << 25));
4946         }
4947
4948         /* Reprobe ASF enable state.  */
4949         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4950         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4951         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4952         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4953                 u32 nic_cfg;
4954
4955                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4956                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4957                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4958                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
4959                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4960                 }
4961         }
4962
4963         return 0;
4964 }
4965
4966 /* tp->lock is held. */
4967 static void tg3_stop_fw(struct tg3 *tp)
4968 {
4969         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4970                 u32 val;
4971                 int i;
4972
4973                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4974                 val = tr32(GRC_RX_CPU_EVENT);
4975                 val |= (1 << 14);
4976                 tw32(GRC_RX_CPU_EVENT, val);
4977
4978                 /* Wait for RX cpu to ACK the event.  */
4979                 for (i = 0; i < 100; i++) {
4980                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4981                                 break;
4982                         udelay(1);
4983                 }
4984         }
4985 }
4986
4987 /* tp->lock is held. */
4988 static int tg3_halt(struct tg3 *tp, int kind, int silent)
4989 {
4990         int err;
4991
4992         tg3_stop_fw(tp);
4993
4994         tg3_write_sig_pre_reset(tp, kind);
4995
4996         tg3_abort_hw(tp, silent);
4997         err = tg3_chip_reset(tp);
4998
4999         tg3_write_sig_legacy(tp, kind);
5000         tg3_write_sig_post_reset(tp, kind);
5001
5002         if (err)
5003                 return err;
5004
5005         return 0;
5006 }
5007
5008 #define TG3_FW_RELEASE_MAJOR    0x0
5009 #define TG3_FW_RELASE_MINOR     0x0
5010 #define TG3_FW_RELEASE_FIX      0x0
5011 #define TG3_FW_START_ADDR       0x08000000
5012 #define TG3_FW_TEXT_ADDR        0x08000000
5013 #define TG3_FW_TEXT_LEN         0x9c0
5014 #define TG3_FW_RODATA_ADDR      0x080009c0
5015 #define TG3_FW_RODATA_LEN       0x60
5016 #define TG3_FW_DATA_ADDR        0x08000a40
5017 #define TG3_FW_DATA_LEN         0x20
5018 #define TG3_FW_SBSS_ADDR        0x08000a60
5019 #define TG3_FW_SBSS_LEN         0xc
5020 #define TG3_FW_BSS_ADDR         0x08000a70
5021 #define TG3_FW_BSS_LEN          0x10
5022
5023 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5024         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5025         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5026         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5027         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5028         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5029         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5030         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5031         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5032         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5033         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5034         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5035         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5036         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5037         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5038         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5039         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5040         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5041         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5042         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5043         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5044         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5045         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5046         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5047         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5048         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5049         0, 0, 0, 0, 0, 0,
5050         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5051         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5052         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5053         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5054         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5055         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5056         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5057         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5058         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5059         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5060         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5061         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5062         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5063         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5064         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5065         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5066         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5067         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5068         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5069         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5070         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5071         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5072         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5073         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5074         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5075         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5076         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5077         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5078         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5079         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5080         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5081         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5082         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5083         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5084         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5085         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5086         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5087         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5088         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5089         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5090         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5091         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5092         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5093         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5094         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5095         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5096         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5097         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5098         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5099         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5100         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5101         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5102         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5103         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5104         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5105         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5106         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5107         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5108         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5109         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5110         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5111         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5112         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5113         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5114         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5115 };
5116
5117 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5118         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5119         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5120         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5121         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5122         0x00000000
5123 };
5124
5125 #if 0 /* All zeros, don't eat up space with it. */
5126 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5127         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5128         0x00000000, 0x00000000, 0x00000000, 0x00000000
5129 };
5130 #endif
5131
5132 #define RX_CPU_SCRATCH_BASE     0x30000
5133 #define RX_CPU_SCRATCH_SIZE     0x04000
5134 #define TX_CPU_SCRATCH_BASE     0x34000
5135 #define TX_CPU_SCRATCH_SIZE     0x04000
5136
5137 /* tp->lock is held. */
5138 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5139 {
5140         int i;
5141
5142         BUG_ON(offset == TX_CPU_BASE &&
5143             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5144
5145         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5146                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5147
5148                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5149                 return 0;
5150         }
5151         if (offset == RX_CPU_BASE) {
5152                 for (i = 0; i < 10000; i++) {
5153                         tw32(offset + CPU_STATE, 0xffffffff);
5154                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5155                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5156                                 break;
5157                 }
5158
5159                 tw32(offset + CPU_STATE, 0xffffffff);
5160                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5161                 udelay(10);
5162         } else {
5163                 for (i = 0; i < 10000; i++) {
5164                         tw32(offset + CPU_STATE, 0xffffffff);
5165                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5166                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5167                                 break;
5168                 }
5169         }
5170
5171         if (i >= 10000) {
5172                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5173                        "and %s CPU\n",
5174                        tp->dev->name,
5175                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5176                 return -ENODEV;
5177         }
5178
5179         /* Clear firmware's nvram arbitration. */
5180         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5181                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5182         return 0;
5183 }
5184
5185 struct fw_info {
5186         unsigned int text_base;
5187         unsigned int text_len;
5188         const u32 *text_data;
5189         unsigned int rodata_base;
5190         unsigned int rodata_len;
5191         const u32 *rodata_data;
5192         unsigned int data_base;
5193         unsigned int data_len;
5194         const u32 *data_data;
5195 };
5196
5197 /* tp->lock is held. */
5198 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5199                                  int cpu_scratch_size, struct fw_info *info)
5200 {
5201         int err, lock_err, i;
5202         void (*write_op)(struct tg3 *, u32, u32);
5203
5204         if (cpu_base == TX_CPU_BASE &&
5205             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5206                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5207                        "TX cpu firmware on %s which is 5705.\n",
5208                        tp->dev->name);
5209                 return -EINVAL;
5210         }
5211
5212         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5213                 write_op = tg3_write_mem;
5214         else
5215                 write_op = tg3_write_indirect_reg32;
5216
5217         /* It is possible that bootcode is still loading at this point.
5218          * Get the nvram lock first before halting the cpu.
5219          */
5220         lock_err = tg3_nvram_lock(tp);
5221         err = tg3_halt_cpu(tp, cpu_base);
5222         if (!lock_err)
5223                 tg3_nvram_unlock(tp);
5224         if (err)
5225                 goto out;
5226
5227         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5228                 write_op(tp, cpu_scratch_base + i, 0);
5229         tw32(cpu_base + CPU_STATE, 0xffffffff);
5230         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5231         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5232                 write_op(tp, (cpu_scratch_base +
5233                               (info->text_base & 0xffff) +
5234                               (i * sizeof(u32))),
5235                          (info->text_data ?
5236                           info->text_data[i] : 0));
5237         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5238                 write_op(tp, (cpu_scratch_base +
5239                               (info->rodata_base & 0xffff) +
5240                               (i * sizeof(u32))),
5241                          (info->rodata_data ?
5242                           info->rodata_data[i] : 0));
5243         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5244                 write_op(tp, (cpu_scratch_base +
5245                               (info->data_base & 0xffff) +
5246                               (i * sizeof(u32))),
5247                          (info->data_data ?
5248                           info->data_data[i] : 0));
5249
5250         err = 0;
5251
5252 out:
5253         return err;
5254 }
5255
5256 /* tp->lock is held. */
5257 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5258 {
5259         struct fw_info info;
5260         int err, i;
5261
5262         info.text_base = TG3_FW_TEXT_ADDR;
5263         info.text_len = TG3_FW_TEXT_LEN;
5264         info.text_data = &tg3FwText[0];
5265         info.rodata_base = TG3_FW_RODATA_ADDR;
5266         info.rodata_len = TG3_FW_RODATA_LEN;
5267         info.rodata_data = &tg3FwRodata[0];
5268         info.data_base = TG3_FW_DATA_ADDR;
5269         info.data_len = TG3_FW_DATA_LEN;
5270         info.data_data = NULL;
5271
5272         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5273                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5274                                     &info);
5275         if (err)
5276                 return err;
5277
5278         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5279                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5280                                     &info);
5281         if (err)
5282                 return err;
5283
5284         /* Now startup only the RX cpu. */
5285         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5286         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5287
5288         for (i = 0; i < 5; i++) {
5289                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5290                         break;
5291                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5292                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5293                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5294                 udelay(1000);
5295         }
5296         if (i >= 5) {
5297                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5298                        "to set RX CPU PC, is %08x should be %08x\n",
5299                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5300                        TG3_FW_TEXT_ADDR);
5301                 return -ENODEV;
5302         }
5303         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5304         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5305
5306         return 0;
5307 }
5308
5309 #if TG3_TSO_SUPPORT != 0
5310
5311 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5312 #define TG3_TSO_FW_RELASE_MINOR         0x6
5313 #define TG3_TSO_FW_RELEASE_FIX          0x0
5314 #define TG3_TSO_FW_START_ADDR           0x08000000
5315 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5316 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5317 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5318 #define TG3_TSO_FW_RODATA_LEN           0x60
5319 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5320 #define TG3_TSO_FW_DATA_LEN             0x30
5321 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5322 #define TG3_TSO_FW_SBSS_LEN             0x2c
5323 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5324 #define TG3_TSO_FW_BSS_LEN              0x894
5325
5326 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5327         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5328         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5329         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5330         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5331         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5332         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5333         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5334         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5335         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5336         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5337         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5338         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5339         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5340         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5341         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5342         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5343         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5344         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5345         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5346         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5347         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5348         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5349         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5350         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5351         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5352         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5353         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5354         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5355         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5356         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5357         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5358         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5359         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5360         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5361         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5362         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5363         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5364         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5365         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5366         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5367         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5368         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5369         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5370         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5371         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5372         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5373         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5374         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5375         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5376         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5377         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5378         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5379         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5380         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5381         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5382         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5383         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5384         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5385         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5386         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5387         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5388         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5389         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5390         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5391         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5392         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5393         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5394         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5395         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5396         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5397         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5398         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5399         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5400         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5401         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5402         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5403         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5404         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5405         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5406         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5407         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5408         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5409         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5410         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5411         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5412         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5413         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5414         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5415         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5416         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5417         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5418         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5419         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5420         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5421         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5422         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5423         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5424         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5425         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5426         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5427         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5428         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5429         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5430         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5431         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5432         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5433         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5434         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5435         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5436         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5437         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5438         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5439         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5440         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5441         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5442         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5443         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5444         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5445         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5446         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5447         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5448         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5449         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5450         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5451         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5452         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5453         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5454         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5455         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5456         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5457         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5458         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5459         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5460         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5461         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5462         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5463         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5464         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5465         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5466         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5467         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5468         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5469         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5470         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5471         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5472         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5473         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5474         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5475         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5476         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5477         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5478         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5479         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5480         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5481         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5482         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5483         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5484         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5485         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5486         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5487         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5488         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5489         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5490         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5491         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5492         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5493         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5494         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5495         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5496         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5497         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5498         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5499         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5500         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5501         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5502         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5503         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5504         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5505         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5506         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5507         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5508         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5509         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5510         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5511         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5512         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5513         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5514         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5515         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5516         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5517         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5518         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5519         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5520         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5521         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5522         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5523         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5524         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5525         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5526         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5527         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5528         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5529         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5530         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5531         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5532         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5533         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5534         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5535         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5536         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5537         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5538         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5539         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5540         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5541         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5542         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5543         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5544         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5545         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5546         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5547         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5548         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5549         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5550         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5551         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5552         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5553         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5554         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5555         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5556         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5557         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5558         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5559         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5560         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5561         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5562         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5563         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5564         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5565         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5566         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5567         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5568         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5569         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5570         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5571         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5572         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5573         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5574         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5575         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5576         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5577         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5578         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5579         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5580         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5581         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5582         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5583         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5584         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5585         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5586         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5587         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5588         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5589         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5590         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5591         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5592         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5593         0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5594         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5595         0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5596         0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5597         0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5598         0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5599         0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5600         0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5601         0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5602         0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5603         0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5604         0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5605         0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5606         0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5607         0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5608         0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5609         0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5610         0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5611 };
5612
5613 static const u32 tg3TsoFwRodata[] = {
5614         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5615         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5616         0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5617         0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5618         0x00000000,
5619 };
5620
5621 static const u32 tg3TsoFwData[] = {
5622         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5623         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5624         0x00000000,
5625 };
5626
5627 /* 5705 needs a special version of the TSO firmware.  */
5628 #define TG3_TSO5_FW_RELEASE_MAJOR       0x1
5629 #define TG3_TSO5_FW_RELASE_MINOR        0x2
5630 #define TG3_TSO5_FW_RELEASE_FIX         0x0
5631 #define TG3_TSO5_FW_START_ADDR          0x00010000
5632 #define TG3_TSO5_FW_TEXT_ADDR           0x00010000
5633 #define TG3_TSO5_FW_TEXT_LEN            0xe90
5634 #define TG3_TSO5_FW_RODATA_ADDR         0x00010e90
5635 #define TG3_TSO5_FW_RODATA_LEN          0x50
5636 #define TG3_TSO5_FW_DATA_ADDR           0x00010f00
5637 #define TG3_TSO5_FW_DATA_LEN            0x20
5638 #define TG3_TSO5_FW_SBSS_ADDR           0x00010f20
5639 #define TG3_TSO5_FW_SBSS_LEN            0x28
5640 #define TG3_TSO5_FW_BSS_ADDR            0x00010f50
5641 #define TG3_TSO5_FW_BSS_LEN             0x88
5642
5643 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5644         0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5645         0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5646         0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5647         0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5648         0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5649         0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5650         0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5651         0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5652         0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5653         0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5654         0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5655         0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5656         0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5657         0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5658         0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5659         0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5660         0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5661         0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5662         0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5663         0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5664         0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5665         0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5666         0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5667         0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5668         0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5669         0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5670         0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5671         0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5672         0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5673         0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5674         0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5675         0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5676         0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5677         0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5678         0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5679         0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5680         0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5681         0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5682         0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5683         0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5684         0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5685         0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5686         0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5687         0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5688         0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5689         0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5690         0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5691         0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5692         0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5693         0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5694         0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5695         0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5696         0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5697         0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5698         0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5699         0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5700         0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5701         0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5702         0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5703         0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5704         0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5705         0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5706         0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5707         0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5708         0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5709         0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5710         0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5711         0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5712         0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5713         0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5714         0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5715         0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5716         0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5717         0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5718         0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5719         0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5720         0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5721         0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5722         0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5723         0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5724         0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5725         0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5726         0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5727         0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5728         0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5729         0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5730         0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5731         0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5732         0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5733         0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5734         0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5735         0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5736         0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5737         0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5738         0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5739         0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5740         0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5741         0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5742         0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5743         0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5744         0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5745         0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5746         0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5747         0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5748         0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5749         0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5750         0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5751         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5752         0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5753         0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5754         0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5755         0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5756         0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5757         0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5758         0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5759         0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5760         0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5761         0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5762         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5763         0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5764         0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5765         0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5766         0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5767         0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5768         0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5769         0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5770         0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5771         0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5772         0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5773         0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5774         0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5775         0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5776         0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5777         0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5778         0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5779         0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5780         0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5781         0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5782         0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5783         0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5784         0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5785         0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5786         0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5787         0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5788         0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5789         0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5790         0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5791         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5792         0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5793         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5794         0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5795         0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5796         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5797         0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5798         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5799         0x00000000, 0x00000000, 0x00000000,
5800 };
5801
5802 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5803         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5804         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5805         0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5806         0x00000000, 0x00000000, 0x00000000,
5807 };
5808
5809 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5810         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5811         0x00000000, 0x00000000, 0x00000000,
5812 };
5813
5814 /* tp->lock is held. */
5815 static int tg3_load_tso_firmware(struct tg3 *tp)
5816 {
5817         struct fw_info info;
5818         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5819         int err, i;
5820
5821         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5822                 return 0;
5823
5824         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5825                 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5826                 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5827                 info.text_data = &tg3Tso5FwText[0];
5828                 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5829                 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5830                 info.rodata_data = &tg3Tso5FwRodata[0];
5831                 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5832                 info.data_len = TG3_TSO5_FW_DATA_LEN;
5833                 info.data_data = &tg3Tso5FwData[0];
5834                 cpu_base = RX_CPU_BASE;
5835                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5836                 cpu_scratch_size = (info.text_len +
5837                                     info.rodata_len +
5838                                     info.data_len +
5839                                     TG3_TSO5_FW_SBSS_LEN +
5840                                     TG3_TSO5_FW_BSS_LEN);
5841         } else {
5842                 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5843                 info.text_len = TG3_TSO_FW_TEXT_LEN;
5844                 info.text_data = &tg3TsoFwText[0];
5845                 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5846                 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5847                 info.rodata_data = &tg3TsoFwRodata[0];
5848                 info.data_base = TG3_TSO_FW_DATA_ADDR;
5849                 info.data_len = TG3_TSO_FW_DATA_LEN;
5850                 info.data_data = &tg3TsoFwData[0];
5851                 cpu_base = TX_CPU_BASE;
5852                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5853                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5854         }
5855
5856         err = tg3_load_firmware_cpu(tp, cpu_base,
5857                                     cpu_scratch_base, cpu_scratch_size,
5858                                     &info);
5859         if (err)
5860                 return err;
5861
5862         /* Now startup the cpu. */
5863         tw32(cpu_base + CPU_STATE, 0xffffffff);
5864         tw32_f(cpu_base + CPU_PC,    info.text_base);
5865
5866         for (i = 0; i < 5; i++) {
5867                 if (tr32(cpu_base + CPU_PC) == info.text_base)
5868                         break;
5869                 tw32(cpu_base + CPU_STATE, 0xffffffff);
5870                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
5871                 tw32_f(cpu_base + CPU_PC,    info.text_base);
5872                 udelay(1000);
5873         }
5874         if (i >= 5) {
5875                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5876                        "to set CPU PC, is %08x should be %08x\n",
5877                        tp->dev->name, tr32(cpu_base + CPU_PC),
5878                        info.text_base);
5879                 return -ENODEV;
5880         }
5881         tw32(cpu_base + CPU_STATE, 0xffffffff);
5882         tw32_f(cpu_base + CPU_MODE,  0x00000000);
5883         return 0;
5884 }
5885
5886 #endif /* TG3_TSO_SUPPORT != 0 */
5887
5888 /* tp->lock is held. */
5889 static void __tg3_set_mac_addr(struct tg3 *tp)
5890 {
5891         u32 addr_high, addr_low;
5892         int i;
5893
5894         addr_high = ((tp->dev->dev_addr[0] << 8) |
5895                      tp->dev->dev_addr[1]);
5896         addr_low = ((tp->dev->dev_addr[2] << 24) |
5897                     (tp->dev->dev_addr[3] << 16) |
5898                     (tp->dev->dev_addr[4] <<  8) |
5899                     (tp->dev->dev_addr[5] <<  0));
5900         for (i = 0; i < 4; i++) {
5901                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5902                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5903         }
5904
5905         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5906             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5907                 for (i = 0; i < 12; i++) {
5908                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5909                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5910                 }
5911         }
5912
5913         addr_high = (tp->dev->dev_addr[0] +
5914                      tp->dev->dev_addr[1] +
5915                      tp->dev->dev_addr[2] +
5916                      tp->dev->dev_addr[3] +
5917                      tp->dev->dev_addr[4] +
5918                      tp->dev->dev_addr[5]) &
5919                 TX_BACKOFF_SEED_MASK;
5920         tw32(MAC_TX_BACKOFF_SEED, addr_high);
5921 }
5922
5923 static int tg3_set_mac_addr(struct net_device *dev, void *p)
5924 {
5925         struct tg3 *tp = netdev_priv(dev);
5926         struct sockaddr *addr = p;
5927         int err = 0;
5928
5929         if (!is_valid_ether_addr(addr->sa_data))
5930                 return -EINVAL;
5931
5932         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5933
5934         if (!netif_running(dev))
5935                 return 0;
5936
5937         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5938                 /* Reset chip so that ASF can re-init any MAC addresses it
5939                  * needs.
5940                  */
5941                 tg3_netif_stop(tp);
5942                 tg3_full_lock(tp, 1);
5943
5944                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5945                 err = tg3_restart_hw(tp, 0);
5946                 if (!err)
5947                         tg3_netif_start(tp);
5948                 tg3_full_unlock(tp);
5949         } else {
5950                 spin_lock_bh(&tp->lock);
5951                 __tg3_set_mac_addr(tp);
5952                 spin_unlock_bh(&tp->lock);
5953         }
5954
5955         return err;
5956 }
5957
5958 /* tp->lock is held. */
5959 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5960                            dma_addr_t mapping, u32 maxlen_flags,
5961                            u32 nic_addr)
5962 {
5963         tg3_write_mem(tp,
5964                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5965                       ((u64) mapping >> 32));
5966         tg3_write_mem(tp,
5967                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5968                       ((u64) mapping & 0xffffffff));
5969         tg3_write_mem(tp,
5970                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5971                        maxlen_flags);
5972
5973         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5974                 tg3_write_mem(tp,
5975                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5976                               nic_addr);
5977 }
5978
5979 static void __tg3_set_rx_mode(struct net_device *);
5980 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
5981 {
5982         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5983         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5984         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5985         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5986         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5987                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5988                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5989         }
5990         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5991         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5992         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5993                 u32 val = ec->stats_block_coalesce_usecs;
5994
5995                 if (!netif_carrier_ok(tp->dev))
5996                         val = 0;
5997
5998                 tw32(HOSTCC_STAT_COAL_TICKS, val);
5999         }
6000 }
6001
6002 /* tp->lock is held. */
6003 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6004 {
6005         u32 val, rdmac_mode;
6006         int i, err, limit;
6007
6008         tg3_disable_ints(tp);
6009
6010         tg3_stop_fw(tp);
6011
6012         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6013
6014         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6015                 tg3_abort_hw(tp, 1);
6016         }
6017
6018         if (reset_phy)
6019                 tg3_phy_reset(tp);
6020
6021         err = tg3_chip_reset(tp);
6022         if (err)
6023                 return err;
6024
6025         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6026
6027         /* This works around an issue with Athlon chipsets on
6028          * B3 tigon3 silicon.  This bit has no effect on any
6029          * other revision.  But do not set this on PCI Express
6030          * chips.
6031          */
6032         if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6033                 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6034         tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6035
6036         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6037             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6038                 val = tr32(TG3PCI_PCISTATE);
6039                 val |= PCISTATE_RETRY_SAME_DMA;
6040                 tw32(TG3PCI_PCISTATE, val);
6041         }
6042
6043         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6044                 /* Enable some hw fixes.  */
6045                 val = tr32(TG3PCI_MSI_DATA);
6046                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6047                 tw32(TG3PCI_MSI_DATA, val);
6048         }
6049
6050         /* Descriptor ring init may make accesses to the
6051          * NIC SRAM area to setup the TX descriptors, so we
6052          * can only do this after the hardware has been
6053          * successfully reset.
6054          */
6055         err = tg3_init_rings(tp);
6056         if (err)
6057                 return err;
6058
6059         /* This value is determined during the probe time DMA
6060          * engine test, tg3_test_dma.
6061          */
6062         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6063
6064         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6065                           GRC_MODE_4X_NIC_SEND_RINGS |
6066                           GRC_MODE_NO_TX_PHDR_CSUM |
6067                           GRC_MODE_NO_RX_PHDR_CSUM);
6068         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6069
6070         /* Pseudo-header checksum is done by hardware logic and not
6071          * the offload processers, so make the chip do the pseudo-
6072          * header checksums on receive.  For transmit it is more
6073          * convenient to do the pseudo-header checksum in software
6074          * as Linux does that on transmit for us in all cases.
6075          */
6076         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6077
6078         tw32(GRC_MODE,
6079              tp->grc_mode |
6080              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6081
6082         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6083         val = tr32(GRC_MISC_CFG);
6084         val &= ~0xff;
6085         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6086         tw32(GRC_MISC_CFG, val);
6087
6088         /* Initialize MBUF/DESC pool. */
6089         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6090                 /* Do nothing.  */
6091         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6092                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6093                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6094                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6095                 else
6096                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6097                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6098                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6099         }
6100 #if TG3_TSO_SUPPORT != 0
6101         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6102                 int fw_len;
6103
6104                 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6105                           TG3_TSO5_FW_RODATA_LEN +
6106                           TG3_TSO5_FW_DATA_LEN +
6107                           TG3_TSO5_FW_SBSS_LEN +
6108                           TG3_TSO5_FW_BSS_LEN);
6109                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6110                 tw32(BUFMGR_MB_POOL_ADDR,
6111                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6112                 tw32(BUFMGR_MB_POOL_SIZE,
6113                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6114         }
6115 #endif
6116
6117         if (tp->dev->mtu <= ETH_DATA_LEN) {
6118                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6119                      tp->bufmgr_config.mbuf_read_dma_low_water);
6120                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6121                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6122                 tw32(BUFMGR_MB_HIGH_WATER,
6123                      tp->bufmgr_config.mbuf_high_water);
6124         } else {
6125                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6126                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6127                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6128                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6129                 tw32(BUFMGR_MB_HIGH_WATER,
6130                      tp->bufmgr_config.mbuf_high_water_jumbo);
6131         }
6132         tw32(BUFMGR_DMA_LOW_WATER,
6133              tp->bufmgr_config.dma_low_water);
6134         tw32(BUFMGR_DMA_HIGH_WATER,
6135              tp->bufmgr_config.dma_high_water);
6136
6137         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6138         for (i = 0; i < 2000; i++) {
6139                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6140                         break;
6141                 udelay(10);
6142         }
6143         if (i >= 2000) {
6144                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6145                        tp->dev->name);
6146                 return -ENODEV;
6147         }
6148
6149         /* Setup replenish threshold. */
6150         val = tp->rx_pending / 8;
6151         if (val == 0)
6152                 val = 1;
6153         else if (val > tp->rx_std_max_post)
6154                 val = tp->rx_std_max_post;
6155         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6156                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6157                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6158
6159                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6160                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6161         }
6162
6163         tw32(RCVBDI_STD_THRESH, val);
6164
6165         /* Initialize TG3_BDINFO's at:
6166          *  RCVDBDI_STD_BD:     standard eth size rx ring
6167          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6168          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6169          *
6170          * like so:
6171          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6172          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6173          *                              ring attribute flags
6174          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6175          *
6176          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6177          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6178          *
6179          * The size of each ring is fixed in the firmware, but the location is
6180          * configurable.
6181          */
6182         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6183              ((u64) tp->rx_std_mapping >> 32));
6184         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6185              ((u64) tp->rx_std_mapping & 0xffffffff));
6186         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6187              NIC_SRAM_RX_BUFFER_DESC);
6188
6189         /* Don't even try to program the JUMBO/MINI buffer descriptor
6190          * configs on 5705.
6191          */
6192         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6193                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6194                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6195         } else {
6196                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6197                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6198
6199                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6200                      BDINFO_FLAGS_DISABLED);
6201
6202                 /* Setup replenish threshold. */
6203                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6204
6205                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6206                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6207                              ((u64) tp->rx_jumbo_mapping >> 32));
6208                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6209                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6210                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6211                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6212                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6213                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6214                 } else {
6215                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6216                              BDINFO_FLAGS_DISABLED);
6217                 }
6218
6219         }
6220
6221         /* There is only one send ring on 5705/5750, no need to explicitly
6222          * disable the others.
6223          */
6224         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6225                 /* Clear out send RCB ring in SRAM. */
6226                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6227                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6228                                       BDINFO_FLAGS_DISABLED);
6229         }
6230
6231         tp->tx_prod = 0;
6232         tp->tx_cons = 0;
6233         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6234         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6235
6236         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6237                        tp->tx_desc_mapping,
6238                        (TG3_TX_RING_SIZE <<
6239                         BDINFO_FLAGS_MAXLEN_SHIFT),
6240                        NIC_SRAM_TX_BUFFER_DESC);
6241
6242         /* There is only one receive return ring on 5705/5750, no need
6243          * to explicitly disable the others.
6244          */
6245         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6246                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6247                      i += TG3_BDINFO_SIZE) {
6248                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6249                                       BDINFO_FLAGS_DISABLED);
6250                 }
6251         }
6252
6253         tp->rx_rcb_ptr = 0;
6254         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6255
6256         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6257                        tp->rx_rcb_mapping,
6258                        (TG3_RX_RCB_RING_SIZE(tp) <<
6259                         BDINFO_FLAGS_MAXLEN_SHIFT),
6260                        0);
6261
6262         tp->rx_std_ptr = tp->rx_pending;
6263         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6264                      tp->rx_std_ptr);
6265
6266         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6267                                                 tp->rx_jumbo_pending : 0;
6268         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6269                      tp->rx_jumbo_ptr);
6270
6271         /* Initialize MAC address and backoff seed. */
6272         __tg3_set_mac_addr(tp);
6273
6274         /* MTU + ethernet header + FCS + optional VLAN tag */
6275         tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6276
6277         /* The slot time is changed by tg3_setup_phy if we
6278          * run at gigabit with half duplex.
6279          */
6280         tw32(MAC_TX_LENGTHS,
6281              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6282              (6 << TX_LENGTHS_IPG_SHIFT) |
6283              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6284
6285         /* Receive rules. */
6286         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6287         tw32(RCVLPC_CONFIG, 0x0181);
6288
6289         /* Calculate RDMAC_MODE setting early, we need it to determine
6290          * the RCVLPC_STATE_ENABLE mask.
6291          */
6292         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6293                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6294                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6295                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6296                       RDMAC_MODE_LNGREAD_ENAB);
6297         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6298                 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
6299
6300         /* If statement applies to 5705 and 5750 PCI devices only */
6301         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6302              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6303             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6304                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6305                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6306                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6307                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6308                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6309                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6310                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6311                 }
6312         }
6313
6314         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6315                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6316
6317 #if TG3_TSO_SUPPORT != 0
6318         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6319                 rdmac_mode |= (1 << 27);
6320 #endif
6321
6322         /* Receive/send statistics. */
6323         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6324                 val = tr32(RCVLPC_STATS_ENABLE);
6325                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6326                 tw32(RCVLPC_STATS_ENABLE, val);
6327         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6328                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6329                 val = tr32(RCVLPC_STATS_ENABLE);
6330                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6331                 tw32(RCVLPC_STATS_ENABLE, val);
6332         } else {
6333                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6334         }
6335         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6336         tw32(SNDDATAI_STATSENAB, 0xffffff);
6337         tw32(SNDDATAI_STATSCTRL,
6338              (SNDDATAI_SCTRL_ENABLE |
6339               SNDDATAI_SCTRL_FASTUPD));
6340
6341         /* Setup host coalescing engine. */
6342         tw32(HOSTCC_MODE, 0);
6343         for (i = 0; i < 2000; i++) {
6344                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6345                         break;
6346                 udelay(10);
6347         }
6348
6349         __tg3_set_coalesce(tp, &tp->coal);
6350
6351         /* set status block DMA address */
6352         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6353              ((u64) tp->status_mapping >> 32));
6354         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6355              ((u64) tp->status_mapping & 0xffffffff));
6356
6357         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6358                 /* Status/statistics block address.  See tg3_timer,
6359                  * the tg3_periodic_fetch_stats call there, and
6360                  * tg3_get_stats to see how this works for 5705/5750 chips.
6361                  */
6362                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6363                      ((u64) tp->stats_mapping >> 32));
6364                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6365                      ((u64) tp->stats_mapping & 0xffffffff));
6366                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6367                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6368         }
6369
6370         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6371
6372         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6373         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6374         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6375                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6376
6377         /* Clear statistics/status block in chip, and status block in ram. */
6378         for (i = NIC_SRAM_STATS_BLK;
6379              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6380              i += sizeof(u32)) {
6381                 tg3_write_mem(tp, i, 0);
6382                 udelay(40);
6383         }
6384         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6385
6386         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6387                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6388                 /* reset to prevent losing 1st rx packet intermittently */
6389                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6390                 udelay(10);
6391         }
6392
6393         tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6394                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6395         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6396         udelay(40);
6397
6398         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6399          * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
6400          * register to preserve the GPIO settings for LOMs. The GPIOs,
6401          * whether used as inputs or outputs, are set by boot code after
6402          * reset.
6403          */
6404         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
6405                 u32 gpio_mask;
6406
6407                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
6408                             GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
6409
6410                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6411                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6412                                      GRC_LCLCTRL_GPIO_OUTPUT3;
6413
6414                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6415                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6416
6417                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6418
6419                 /* GPIO1 must be driven high for eeprom write protect */
6420                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6421                                        GRC_LCLCTRL_GPIO_OUTPUT1);
6422         }
6423         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6424         udelay(100);
6425
6426         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6427         tp->last_tag = 0;
6428
6429         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6430                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6431                 udelay(40);
6432         }
6433
6434         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6435                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6436                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6437                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6438                WDMAC_MODE_LNGREAD_ENAB);
6439
6440         /* If statement applies to 5705 and 5750 PCI devices only */
6441         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6442              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6443             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6444                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6445                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6446                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6447                         /* nothing */
6448                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6449                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6450                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6451                         val |= WDMAC_MODE_RX_ACCEL;
6452                 }
6453         }
6454
6455         /* Enable host coalescing bug fix */
6456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6457             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
6458                 val |= (1 << 29);
6459
6460         tw32_f(WDMAC_MODE, val);
6461         udelay(40);
6462
6463         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6464                 val = tr32(TG3PCI_X_CAPS);
6465                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6466                         val &= ~PCIX_CAPS_BURST_MASK;
6467                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6468                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6469                         val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6470                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6471                         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6472                                 val |= (tp->split_mode_max_reqs <<
6473                                         PCIX_CAPS_SPLIT_SHIFT);
6474                 }
6475                 tw32(TG3PCI_X_CAPS, val);
6476         }
6477
6478         tw32_f(RDMAC_MODE, rdmac_mode);
6479         udelay(40);
6480
6481         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6482         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6483                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6484         tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6485         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6486         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6487         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6488         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6489 #if TG3_TSO_SUPPORT != 0
6490         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6491                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6492 #endif
6493         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6494         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6495
6496         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6497                 err = tg3_load_5701_a0_firmware_fix(tp);
6498                 if (err)
6499                         return err;
6500         }
6501
6502 #if TG3_TSO_SUPPORT != 0
6503         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6504                 err = tg3_load_tso_firmware(tp);
6505                 if (err)
6506                         return err;
6507         }
6508 #endif
6509
6510         tp->tx_mode = TX_MODE_ENABLE;
6511         tw32_f(MAC_TX_MODE, tp->tx_mode);
6512         udelay(100);
6513
6514         tp->rx_mode = RX_MODE_ENABLE;
6515         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6516                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6517
6518         tw32_f(MAC_RX_MODE, tp->rx_mode);
6519         udelay(10);
6520
6521         if (tp->link_config.phy_is_low_power) {
6522                 tp->link_config.phy_is_low_power = 0;
6523                 tp->link_config.speed = tp->link_config.orig_speed;
6524                 tp->link_config.duplex = tp->link_config.orig_duplex;
6525                 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6526         }
6527
6528         tp->mi_mode = MAC_MI_MODE_BASE;
6529         tw32_f(MAC_MI_MODE, tp->mi_mode);
6530         udelay(80);
6531
6532         tw32(MAC_LED_CTRL, tp->led_ctrl);
6533
6534         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6535         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6536                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6537                 udelay(10);
6538         }
6539         tw32_f(MAC_RX_MODE, tp->rx_mode);
6540         udelay(10);
6541
6542         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6543                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6544                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6545                         /* Set drive transmission level to 1.2V  */
6546                         /* only if the signal pre-emphasis bit is not set  */
6547                         val = tr32(MAC_SERDES_CFG);
6548                         val &= 0xfffff000;
6549                         val |= 0x880;
6550                         tw32(MAC_SERDES_CFG, val);
6551                 }
6552                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6553                         tw32(MAC_SERDES_CFG, 0x616000);
6554         }
6555
6556         /* Prevent chip from dropping frames when flow control
6557          * is enabled.
6558          */
6559         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6560
6561         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6562             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6563                 /* Use hardware link auto-negotiation */
6564                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6565         }
6566
6567         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6568             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6569                 u32 tmp;
6570
6571                 tmp = tr32(SERDES_RX_CTRL);
6572                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6573                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6574                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6575                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6576         }
6577
6578         err = tg3_setup_phy(tp, 0);
6579         if (err)
6580                 return err;
6581
6582         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6583             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6584                 u32 tmp;
6585
6586                 /* Clear CRC stats. */
6587                 if (!tg3_readphy(tp, 0x1e, &tmp)) {
6588                         tg3_writephy(tp, 0x1e, tmp | 0x8000);
6589                         tg3_readphy(tp, 0x14, &tmp);
6590                 }
6591         }
6592
6593         __tg3_set_rx_mode(tp->dev);
6594
6595         /* Initialize receive rules. */
6596         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
6597         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6598         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
6599         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6600
6601         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6602             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6603                 limit = 8;
6604         else
6605                 limit = 16;
6606         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6607                 limit -= 4;
6608         switch (limit) {
6609         case 16:
6610                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
6611         case 15:
6612                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
6613         case 14:
6614                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
6615         case 13:
6616                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
6617         case 12:
6618                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
6619         case 11:
6620                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
6621         case 10:
6622                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
6623         case 9:
6624                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
6625         case 8:
6626                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
6627         case 7:
6628                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
6629         case 6:
6630                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
6631         case 5:
6632                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
6633         case 4:
6634                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
6635         case 3:
6636                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
6637         case 2:
6638         case 1:
6639
6640         default:
6641                 break;
6642         };
6643
6644         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6645
6646         return 0;
6647 }
6648
6649 /* Called at device open time to get the chip ready for
6650  * packet processing.  Invoked with tp->lock held.
6651  */
6652 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
6653 {
6654         int err;
6655
6656         /* Force the chip into D0. */
6657         err = tg3_set_power_state(tp, PCI_D0);
6658         if (err)
6659                 goto out;
6660
6661         tg3_switch_clocks(tp);
6662
6663         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6664
6665         err = tg3_reset_hw(tp, reset_phy);
6666
6667 out:
6668         return err;
6669 }
6670
6671 #define TG3_STAT_ADD32(PSTAT, REG) \
6672 do {    u32 __val = tr32(REG); \
6673         (PSTAT)->low += __val; \
6674         if ((PSTAT)->low < __val) \
6675                 (PSTAT)->high += 1; \
6676 } while (0)
6677
6678 static void tg3_periodic_fetch_stats(struct tg3 *tp)
6679 {
6680         struct tg3_hw_stats *sp = tp->hw_stats;
6681
6682         if (!netif_carrier_ok(tp->dev))
6683                 return;
6684
6685         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6686         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6687         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6688         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6689         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6690         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6691         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6692         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6693         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6694         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6695         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6696         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6697         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6698
6699         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6700         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6701         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6702         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6703         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6704         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6705         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6706         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6707         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6708         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6709         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6710         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6711         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6712         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6713
6714         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6715         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6716         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
6717 }
6718
6719 static void tg3_timer(unsigned long __opaque)
6720 {
6721         struct tg3 *tp = (struct tg3 *) __opaque;
6722
6723         if (tp->irq_sync)
6724                 goto restart_timer;
6725
6726         spin_lock(&tp->lock);
6727
6728         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6729                 /* All of this garbage is because when using non-tagged
6730                  * IRQ status the mailbox/status_block protocol the chip
6731                  * uses with the cpu is race prone.
6732                  */
6733                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6734                         tw32(GRC_LOCAL_CTRL,
6735                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6736                 } else {
6737                         tw32(HOSTCC_MODE, tp->coalesce_mode |
6738                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6739                 }
6740
6741                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6742                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
6743                         spin_unlock(&tp->lock);
6744                         schedule_work(&tp->reset_task);
6745                         return;
6746                 }
6747         }
6748
6749         /* This part only runs once per second. */
6750         if (!--tp->timer_counter) {
6751                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6752                         tg3_periodic_fetch_stats(tp);
6753
6754                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6755                         u32 mac_stat;
6756                         int phy_event;
6757
6758                         mac_stat = tr32(MAC_STATUS);
6759
6760                         phy_event = 0;
6761                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6762                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6763                                         phy_event = 1;
6764                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6765                                 phy_event = 1;
6766
6767                         if (phy_event)
6768                                 tg3_setup_phy(tp, 0);
6769                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6770                         u32 mac_stat = tr32(MAC_STATUS);
6771                         int need_setup = 0;
6772
6773                         if (netif_carrier_ok(tp->dev) &&
6774                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6775                                 need_setup = 1;
6776                         }
6777                         if (! netif_carrier_ok(tp->dev) &&
6778                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
6779                                          MAC_STATUS_SIGNAL_DET))) {
6780                                 need_setup = 1;
6781                         }
6782                         if (need_setup) {
6783                                 if (!tp->serdes_counter) {
6784                                         tw32_f(MAC_MODE,
6785                                              (tp->mac_mode &
6786                                               ~MAC_MODE_PORT_MODE_MASK));
6787                                         udelay(40);
6788                                         tw32_f(MAC_MODE, tp->mac_mode);
6789                                         udelay(40);
6790                                 }
6791                                 tg3_setup_phy(tp, 0);
6792                         }
6793                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6794                         tg3_serdes_parallel_detect(tp);
6795
6796                 tp->timer_counter = tp->timer_multiplier;
6797         }
6798
6799         /* Heartbeat is only sent once every 2 seconds.
6800          *
6801          * The heartbeat is to tell the ASF firmware that the host
6802          * driver is still alive.  In the event that the OS crashes,
6803          * ASF needs to reset the hardware to free up the FIFO space
6804          * that may be filled with rx packets destined for the host.
6805          * If the FIFO is full, ASF will no longer function properly.
6806          *
6807          * Unintended resets have been reported on real time kernels
6808          * where the timer doesn't run on time.  Netpoll will also have
6809          * same problem.
6810          *
6811          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6812          * to check the ring condition when the heartbeat is expiring
6813          * before doing the reset.  This will prevent most unintended
6814          * resets.
6815          */
6816         if (!--tp->asf_counter) {
6817                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6818                         u32 val;
6819
6820                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
6821                                       FWCMD_NICDRV_ALIVE3);
6822                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6823                         /* 5 seconds timeout */
6824                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
6825                         val = tr32(GRC_RX_CPU_EVENT);
6826                         val |= (1 << 14);
6827                         tw32(GRC_RX_CPU_EVENT, val);
6828                 }
6829                 tp->asf_counter = tp->asf_multiplier;
6830         }
6831
6832         spin_unlock(&tp->lock);
6833
6834 restart_timer:
6835         tp->timer.expires = jiffies + tp->timer_offset;
6836         add_timer(&tp->timer);
6837 }
6838
6839 static int tg3_request_irq(struct tg3 *tp)
6840 {
6841         irq_handler_t fn;
6842         unsigned long flags;
6843         struct net_device *dev = tp->dev;
6844
6845         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6846                 fn = tg3_msi;
6847                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6848                         fn = tg3_msi_1shot;
6849                 flags = IRQF_SAMPLE_RANDOM;
6850         } else {
6851                 fn = tg3_interrupt;
6852                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6853                         fn = tg3_interrupt_tagged;
6854                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
6855         }
6856         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6857 }
6858
6859 static int tg3_test_interrupt(struct tg3 *tp)
6860 {
6861         struct net_device *dev = tp->dev;
6862         int err, i, intr_ok = 0;
6863
6864         if (!netif_running(dev))
6865                 return -ENODEV;
6866
6867         tg3_disable_ints(tp);
6868
6869         free_irq(tp->pdev->irq, dev);
6870
6871         err = request_irq(tp->pdev->irq, tg3_test_isr,
6872                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
6873         if (err)
6874                 return err;
6875
6876         tp->hw_status->status &= ~SD_STATUS_UPDATED;
6877         tg3_enable_ints(tp);
6878
6879         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6880                HOSTCC_MODE_NOW);
6881
6882         for (i = 0; i < 5; i++) {
6883                 u32 int_mbox, misc_host_ctrl;
6884
6885                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6886                                         TG3_64BIT_REG_LOW);
6887                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6888
6889                 if ((int_mbox != 0) ||
6890                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6891                         intr_ok = 1;
6892                         break;
6893                 }
6894
6895                 msleep(10);
6896         }
6897
6898         tg3_disable_ints(tp);
6899
6900         free_irq(tp->pdev->irq, dev);
6901
6902         err = tg3_request_irq(tp);
6903
6904         if (err)
6905                 return err;
6906
6907         if (intr_ok)
6908                 return 0;
6909
6910         return -EIO;
6911 }
6912
6913 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6914  * successfully restored
6915  */
6916 static int tg3_test_msi(struct tg3 *tp)
6917 {
6918         struct net_device *dev = tp->dev;
6919         int err;
6920         u16 pci_cmd;
6921
6922         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6923                 return 0;
6924
6925         /* Turn off SERR reporting in case MSI terminates with Master
6926          * Abort.
6927          */
6928         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6929         pci_write_config_word(tp->pdev, PCI_COMMAND,
6930                               pci_cmd & ~PCI_COMMAND_SERR);
6931
6932         err = tg3_test_interrupt(tp);
6933
6934         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6935
6936         if (!err)
6937                 return 0;
6938
6939         /* other failures */
6940         if (err != -EIO)
6941                 return err;
6942
6943         /* MSI test failed, go back to INTx mode */
6944         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6945                "switching to INTx mode. Please report this failure to "
6946                "the PCI maintainer and include system chipset information.\n",
6947                        tp->dev->name);
6948
6949         free_irq(tp->pdev->irq, dev);
6950         pci_disable_msi(tp->pdev);
6951
6952         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6953
6954         err = tg3_request_irq(tp);
6955         if (err)
6956                 return err;
6957
6958         /* Need to reset the chip because the MSI cycle may have terminated
6959          * with Master Abort.
6960          */
6961         tg3_full_lock(tp, 1);
6962
6963         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6964         err = tg3_init_hw(tp, 1);
6965
6966         tg3_full_unlock(tp);
6967
6968         if (err)
6969                 free_irq(tp->pdev->irq, dev);
6970
6971         return err;
6972 }
6973
6974 static int tg3_open(struct net_device *dev)
6975 {
6976         struct tg3 *tp = netdev_priv(dev);
6977         int err;
6978
6979         tg3_full_lock(tp, 0);
6980
6981         err = tg3_set_power_state(tp, PCI_D0);
6982         if (err) {
6983                 tg3_full_unlock(tp);
6984                 return err;
6985         }
6986
6987         tg3_disable_ints(tp);
6988         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6989
6990         tg3_full_unlock(tp);
6991
6992         /* The placement of this call is tied
6993          * to the setup and use of Host TX descriptors.
6994          */
6995         err = tg3_alloc_consistent(tp);
6996         if (err)
6997                 return err;
6998
6999         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
7000             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
7001             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
7002             !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7003               (tp->pdev_peer == tp->pdev))) {
7004                 /* All MSI supporting chips should support tagged
7005                  * status.  Assert that this is the case.
7006                  */
7007                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7008                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7009                                "Not using MSI.\n", tp->dev->name);
7010                 } else if (pci_enable_msi(tp->pdev) == 0) {
7011                         u32 msi_mode;
7012
7013                         msi_mode = tr32(MSGINT_MODE);
7014                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7015                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7016                 }
7017         }
7018         err = tg3_request_irq(tp);
7019
7020         if (err) {
7021                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7022                         pci_disable_msi(tp->pdev);
7023                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7024                 }
7025                 tg3_free_consistent(tp);
7026                 return err;
7027         }
7028
7029         tg3_full_lock(tp, 0);
7030
7031         err = tg3_init_hw(tp, 1);
7032         if (err) {
7033                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7034                 tg3_free_rings(tp);
7035         } else {
7036                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7037                         tp->timer_offset = HZ;
7038                 else
7039                         tp->timer_offset = HZ / 10;
7040
7041                 BUG_ON(tp->timer_offset > HZ);
7042                 tp->timer_counter = tp->timer_multiplier =
7043                         (HZ / tp->timer_offset);
7044                 tp->asf_counter = tp->asf_multiplier =
7045                         ((HZ / tp->timer_offset) * 2);
7046
7047                 init_timer(&tp->timer);
7048                 tp->timer.expires = jiffies + tp->timer_offset;
7049                 tp->timer.data = (unsigned long) tp;
7050                 tp->timer.function = tg3_timer;
7051         }
7052
7053         tg3_full_unlock(tp);
7054
7055         if (err) {
7056                 free_irq(tp->pdev->irq, dev);
7057                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7058                         pci_disable_msi(tp->pdev);
7059                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7060                 }
7061                 tg3_free_consistent(tp);
7062                 return err;
7063         }
7064
7065         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7066                 err = tg3_test_msi(tp);
7067
7068                 if (err) {
7069                         tg3_full_lock(tp, 0);
7070
7071                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7072                                 pci_disable_msi(tp->pdev);
7073                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7074                         }
7075                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7076                         tg3_free_rings(tp);
7077                         tg3_free_consistent(tp);
7078
7079                         tg3_full_unlock(tp);
7080
7081                         return err;
7082                 }
7083
7084                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7085                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7086                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7087
7088                                 tw32(PCIE_TRANSACTION_CFG,
7089                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7090                         }
7091                 }
7092         }
7093
7094         tg3_full_lock(tp, 0);
7095
7096         add_timer(&tp->timer);
7097         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7098         tg3_enable_ints(tp);
7099
7100         tg3_full_unlock(tp);
7101
7102         netif_start_queue(dev);
7103
7104         return 0;
7105 }
7106
7107 #if 0
7108 /*static*/ void tg3_dump_state(struct tg3 *tp)
7109 {
7110         u32 val32, val32_2, val32_3, val32_4, val32_5;
7111         u16 val16;
7112         int i;
7113
7114         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7115         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7116         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7117                val16, val32);
7118
7119         /* MAC block */
7120         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7121                tr32(MAC_MODE), tr32(MAC_STATUS));
7122         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7123                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7124         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7125                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7126         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7127                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7128
7129         /* Send data initiator control block */
7130         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7131                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7132         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7133                tr32(SNDDATAI_STATSCTRL));
7134
7135         /* Send data completion control block */
7136         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7137
7138         /* Send BD ring selector block */
7139         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7140                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7141
7142         /* Send BD initiator control block */
7143         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7144                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7145
7146         /* Send BD completion control block */
7147         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7148
7149         /* Receive list placement control block */
7150         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7151                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7152         printk("       RCVLPC_STATSCTRL[%08x]\n",
7153                tr32(RCVLPC_STATSCTRL));
7154
7155         /* Receive data and receive BD initiator control block */
7156         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7157                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7158
7159         /* Receive data completion control block */
7160         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7161                tr32(RCVDCC_MODE));
7162
7163         /* Receive BD initiator control block */
7164         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7165                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7166
7167         /* Receive BD completion control block */
7168         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7169                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7170
7171         /* Receive list selector control block */
7172         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7173                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7174
7175         /* Mbuf cluster free block */
7176         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7177                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7178
7179         /* Host coalescing control block */
7180         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7181                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7182         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7183                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7184                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7185         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7186                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7187                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7188         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7189                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7190         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7191                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7192
7193         /* Memory arbiter control block */
7194         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7195                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7196
7197         /* Buffer manager control block */
7198         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7199                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7200         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7201                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7202         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7203                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7204                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7205                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7206
7207         /* Read DMA control block */
7208         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7209                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7210
7211         /* Write DMA control block */
7212         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7213                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7214
7215         /* DMA completion block */
7216         printk("DEBUG: DMAC_MODE[%08x]\n",
7217                tr32(DMAC_MODE));
7218
7219         /* GRC block */
7220         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7221                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7222         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7223                tr32(GRC_LOCAL_CTRL));
7224
7225         /* TG3_BDINFOs */
7226         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7227                tr32(RCVDBDI_JUMBO_BD + 0x0),
7228                tr32(RCVDBDI_JUMBO_BD + 0x4),
7229                tr32(RCVDBDI_JUMBO_BD + 0x8),
7230                tr32(RCVDBDI_JUMBO_BD + 0xc));
7231         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7232                tr32(RCVDBDI_STD_BD + 0x0),
7233                tr32(RCVDBDI_STD_BD + 0x4),
7234                tr32(RCVDBDI_STD_BD + 0x8),
7235                tr32(RCVDBDI_STD_BD + 0xc));
7236         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7237                tr32(RCVDBDI_MINI_BD + 0x0),
7238                tr32(RCVDBDI_MINI_BD + 0x4),
7239                tr32(RCVDBDI_MINI_BD + 0x8),
7240                tr32(RCVDBDI_MINI_BD + 0xc));
7241
7242         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7243         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7244         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7245         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7246         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7247                val32, val32_2, val32_3, val32_4);
7248
7249         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7250         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7251         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7252         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7253         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7254                val32, val32_2, val32_3, val32_4);
7255
7256         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7257         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7258         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7259         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7260         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7261         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7262                val32, val32_2, val32_3, val32_4, val32_5);
7263
7264         /* SW status block */
7265         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7266                tp->hw_status->status,
7267                tp->hw_status->status_tag,
7268                tp->hw_status->rx_jumbo_consumer,
7269                tp->hw_status->rx_consumer,
7270                tp->hw_status->rx_mini_consumer,
7271                tp->hw_status->idx[0].rx_producer,
7272                tp->hw_status->idx[0].tx_consumer);
7273
7274         /* SW statistics block */
7275         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7276                ((u32 *)tp->hw_stats)[0],
7277                ((u32 *)tp->hw_stats)[1],
7278                ((u32 *)tp->hw_stats)[2],
7279                ((u32 *)tp->hw_stats)[3]);
7280
7281         /* Mailboxes */
7282         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7283                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7284                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7285                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7286                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7287
7288         /* NIC side send descriptors. */
7289         for (i = 0; i < 6; i++) {
7290                 unsigned long txd;
7291
7292                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7293                         + (i * sizeof(struct tg3_tx_buffer_desc));
7294                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7295                        i,
7296                        readl(txd + 0x0), readl(txd + 0x4),
7297                        readl(txd + 0x8), readl(txd + 0xc));
7298         }
7299
7300         /* NIC side RX descriptors. */
7301         for (i = 0; i < 6; i++) {
7302                 unsigned long rxd;
7303
7304                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7305                         + (i * sizeof(struct tg3_rx_buffer_desc));
7306                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7307                        i,
7308                        readl(rxd + 0x0), readl(rxd + 0x4),
7309                        readl(rxd + 0x8), readl(rxd + 0xc));
7310                 rxd += (4 * sizeof(u32));
7311                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7312                        i,
7313                        readl(rxd + 0x0), readl(rxd + 0x4),
7314                        readl(rxd + 0x8), readl(rxd + 0xc));
7315         }
7316
7317         for (i = 0; i < 6; i++) {
7318                 unsigned long rxd;
7319
7320                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7321                         + (i * sizeof(struct tg3_rx_buffer_desc));
7322                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7323                        i,
7324                        readl(rxd + 0x0), readl(rxd + 0x4),
7325                        readl(rxd + 0x8), readl(rxd + 0xc));
7326                 rxd += (4 * sizeof(u32));
7327                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7328                        i,
7329                        readl(rxd + 0x0), readl(rxd + 0x4),
7330                        readl(rxd + 0x8), readl(rxd + 0xc));
7331         }
7332 }
7333 #endif
7334
7335 static struct net_device_stats *tg3_get_stats(struct net_device *);
7336 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7337
7338 static int tg3_close(struct net_device *dev)
7339 {
7340         struct tg3 *tp = netdev_priv(dev);
7341
7342         /* Calling flush_scheduled_work() may deadlock because
7343          * linkwatch_event() may be on the workqueue and it will try to get
7344          * the rtnl_lock which we are holding.
7345          */
7346         while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7347                 msleep(1);
7348
7349         netif_stop_queue(dev);
7350
7351         del_timer_sync(&tp->timer);
7352
7353         tg3_full_lock(tp, 1);
7354 #if 0
7355         tg3_dump_state(tp);
7356 #endif
7357
7358         tg3_disable_ints(tp);
7359
7360         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7361         tg3_free_rings(tp);
7362         tp->tg3_flags &=
7363                 ~(TG3_FLAG_INIT_COMPLETE |
7364                   TG3_FLAG_GOT_SERDES_FLOWCTL);
7365
7366         tg3_full_unlock(tp);
7367
7368         free_irq(tp->pdev->irq, dev);
7369         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7370                 pci_disable_msi(tp->pdev);
7371                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7372         }
7373
7374         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7375                sizeof(tp->net_stats_prev));
7376         memcpy(&tp->estats_prev, tg3_get_estats(tp),
7377                sizeof(tp->estats_prev));
7378
7379         tg3_free_consistent(tp);
7380
7381         tg3_set_power_state(tp, PCI_D3hot);
7382
7383         netif_carrier_off(tp->dev);
7384
7385         return 0;
7386 }
7387
7388 static inline unsigned long get_stat64(tg3_stat64_t *val)
7389 {
7390         unsigned long ret;
7391
7392 #if (BITS_PER_LONG == 32)
7393         ret = val->low;
7394 #else
7395         ret = ((u64)val->high << 32) | ((u64)val->low);
7396 #endif
7397         return ret;
7398 }
7399
7400 static unsigned long calc_crc_errors(struct tg3 *tp)
7401 {
7402         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7403
7404         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7405             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7406              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7407                 u32 val;
7408
7409                 spin_lock_bh(&tp->lock);
7410                 if (!tg3_readphy(tp, 0x1e, &val)) {
7411                         tg3_writephy(tp, 0x1e, val | 0x8000);
7412                         tg3_readphy(tp, 0x14, &val);
7413                 } else
7414                         val = 0;
7415                 spin_unlock_bh(&tp->lock);
7416
7417                 tp->phy_crc_errors += val;
7418
7419                 return tp->phy_crc_errors;
7420         }
7421
7422         return get_stat64(&hw_stats->rx_fcs_errors);
7423 }
7424
7425 #define ESTAT_ADD(member) \
7426         estats->member =        old_estats->member + \
7427                                 get_stat64(&hw_stats->member)
7428
7429 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7430 {
7431         struct tg3_ethtool_stats *estats = &tp->estats;
7432         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7433         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7434
7435         if (!hw_stats)
7436                 return old_estats;
7437
7438         ESTAT_ADD(rx_octets);
7439         ESTAT_ADD(rx_fragments);
7440         ESTAT_ADD(rx_ucast_packets);
7441         ESTAT_ADD(rx_mcast_packets);
7442         ESTAT_ADD(rx_bcast_packets);
7443         ESTAT_ADD(rx_fcs_errors);
7444         ESTAT_ADD(rx_align_errors);
7445         ESTAT_ADD(rx_xon_pause_rcvd);
7446         ESTAT_ADD(rx_xoff_pause_rcvd);
7447         ESTAT_ADD(rx_mac_ctrl_rcvd);
7448         ESTAT_ADD(rx_xoff_entered);
7449         ESTAT_ADD(rx_frame_too_long_errors);
7450         ESTAT_ADD(rx_jabbers);
7451         ESTAT_ADD(rx_undersize_packets);
7452         ESTAT_ADD(rx_in_length_errors);
7453         ESTAT_ADD(rx_out_length_errors);
7454         ESTAT_ADD(rx_64_or_less_octet_packets);
7455         ESTAT_ADD(rx_65_to_127_octet_packets);
7456         ESTAT_ADD(rx_128_to_255_octet_packets);
7457         ESTAT_ADD(rx_256_to_511_octet_packets);
7458         ESTAT_ADD(rx_512_to_1023_octet_packets);
7459         ESTAT_ADD(rx_1024_to_1522_octet_packets);
7460         ESTAT_ADD(rx_1523_to_2047_octet_packets);
7461         ESTAT_ADD(rx_2048_to_4095_octet_packets);
7462         ESTAT_ADD(rx_4096_to_8191_octet_packets);
7463         ESTAT_ADD(rx_8192_to_9022_octet_packets);
7464
7465         ESTAT_ADD(tx_octets);
7466         ESTAT_ADD(tx_collisions);
7467         ESTAT_ADD(tx_xon_sent);
7468         ESTAT_ADD(tx_xoff_sent);
7469         ESTAT_ADD(tx_flow_control);
7470         ESTAT_ADD(tx_mac_errors);
7471         ESTAT_ADD(tx_single_collisions);
7472         ESTAT_ADD(tx_mult_collisions);
7473         ESTAT_ADD(tx_deferred);
7474         ESTAT_ADD(tx_excessive_collisions);
7475         ESTAT_ADD(tx_late_collisions);
7476         ESTAT_ADD(tx_collide_2times);
7477         ESTAT_ADD(tx_collide_3times);
7478         ESTAT_ADD(tx_collide_4times);
7479         ESTAT_ADD(tx_collide_5times);
7480         ESTAT_ADD(tx_collide_6times);
7481         ESTAT_ADD(tx_collide_7times);
7482         ESTAT_ADD(tx_collide_8times);
7483         ESTAT_ADD(tx_collide_9times);
7484         ESTAT_ADD(tx_collide_10times);
7485         ESTAT_ADD(tx_collide_11times);
7486         ESTAT_ADD(tx_collide_12times);
7487         ESTAT_ADD(tx_collide_13times);
7488         ESTAT_ADD(tx_collide_14times);
7489         ESTAT_ADD(tx_collide_15times);
7490         ESTAT_ADD(tx_ucast_packets);
7491         ESTAT_ADD(tx_mcast_packets);
7492         ESTAT_ADD(tx_bcast_packets);
7493         ESTAT_ADD(tx_carrier_sense_errors);
7494         ESTAT_ADD(tx_discards);
7495         ESTAT_ADD(tx_errors);
7496
7497         ESTAT_ADD(dma_writeq_full);
7498         ESTAT_ADD(dma_write_prioq_full);
7499         ESTAT_ADD(rxbds_empty);
7500         ESTAT_ADD(rx_discards);
7501         ESTAT_ADD(rx_errors);
7502         ESTAT_ADD(rx_threshold_hit);
7503
7504         ESTAT_ADD(dma_readq_full);
7505         ESTAT_ADD(dma_read_prioq_full);
7506         ESTAT_ADD(tx_comp_queue_full);
7507
7508         ESTAT_ADD(ring_set_send_prod_index);
7509         ESTAT_ADD(ring_status_update);
7510         ESTAT_ADD(nic_irqs);
7511         ESTAT_ADD(nic_avoided_irqs);
7512         ESTAT_ADD(nic_tx_threshold_hit);
7513
7514         return estats;
7515 }
7516
7517 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7518 {
7519         struct tg3 *tp = netdev_priv(dev);
7520         struct net_device_stats *stats = &tp->net_stats;
7521         struct net_device_stats *old_stats = &tp->net_stats_prev;
7522         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7523
7524         if (!hw_stats)
7525                 return old_stats;
7526
7527         stats->rx_packets = old_stats->rx_packets +
7528                 get_stat64(&hw_stats->rx_ucast_packets) +
7529                 get_stat64(&hw_stats->rx_mcast_packets) +
7530                 get_stat64(&hw_stats->rx_bcast_packets);
7531
7532         stats->tx_packets = old_stats->tx_packets +
7533                 get_stat64(&hw_stats->tx_ucast_packets) +
7534                 get_stat64(&hw_stats->tx_mcast_packets) +
7535                 get_stat64(&hw_stats->tx_bcast_packets);
7536
7537         stats->rx_bytes = old_stats->rx_bytes +
7538                 get_stat64(&hw_stats->rx_octets);
7539         stats->tx_bytes = old_stats->tx_bytes +
7540                 get_stat64(&hw_stats->tx_octets);
7541
7542         stats->rx_errors = old_stats->rx_errors +
7543                 get_stat64(&hw_stats->rx_errors);
7544         stats->tx_errors = old_stats->tx_errors +
7545                 get_stat64(&hw_stats->tx_errors) +
7546                 get_stat64(&hw_stats->tx_mac_errors) +
7547                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7548                 get_stat64(&hw_stats->tx_discards);
7549
7550         stats->multicast = old_stats->multicast +
7551                 get_stat64(&hw_stats->rx_mcast_packets);
7552         stats->collisions = old_stats->collisions +
7553                 get_stat64(&hw_stats->tx_collisions);
7554
7555         stats->rx_length_errors = old_stats->rx_length_errors +
7556                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7557                 get_stat64(&hw_stats->rx_undersize_packets);
7558
7559         stats->rx_over_errors = old_stats->rx_over_errors +
7560                 get_stat64(&hw_stats->rxbds_empty);
7561         stats->rx_frame_errors = old_stats->rx_frame_errors +
7562                 get_stat64(&hw_stats->rx_align_errors);
7563         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7564                 get_stat64(&hw_stats->tx_discards);
7565         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7566                 get_stat64(&hw_stats->tx_carrier_sense_errors);
7567
7568         stats->rx_crc_errors = old_stats->rx_crc_errors +
7569                 calc_crc_errors(tp);
7570
7571         stats->rx_missed_errors = old_stats->rx_missed_errors +
7572                 get_stat64(&hw_stats->rx_discards);
7573
7574         return stats;
7575 }
7576
7577 static inline u32 calc_crc(unsigned char *buf, int len)
7578 {
7579         u32 reg;
7580         u32 tmp;
7581         int j, k;
7582
7583         reg = 0xffffffff;
7584
7585         for (j = 0; j < len; j++) {
7586                 reg ^= buf[j];
7587
7588                 for (k = 0; k < 8; k++) {
7589                         tmp = reg & 0x01;
7590
7591                         reg >>= 1;
7592
7593                         if (tmp) {
7594                                 reg ^= 0xedb88320;
7595                         }
7596                 }
7597         }
7598
7599         return ~reg;
7600 }
7601
7602 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7603 {
7604         /* accept or reject all multicast frames */
7605         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7606         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7607         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7608         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7609 }
7610
7611 static void __tg3_set_rx_mode(struct net_device *dev)
7612 {
7613         struct tg3 *tp = netdev_priv(dev);
7614         u32 rx_mode;
7615
7616         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7617                                   RX_MODE_KEEP_VLAN_TAG);
7618
7619         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7620          * flag clear.
7621          */
7622 #if TG3_VLAN_TAG_USED
7623         if (!tp->vlgrp &&
7624             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7625                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7626 #else
7627         /* By definition, VLAN is disabled always in this
7628          * case.
7629          */
7630         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7631                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7632 #endif
7633
7634         if (dev->flags & IFF_PROMISC) {
7635                 /* Promiscuous mode. */
7636                 rx_mode |= RX_MODE_PROMISC;
7637         } else if (dev->flags & IFF_ALLMULTI) {
7638                 /* Accept all multicast. */
7639                 tg3_set_multi (tp, 1);
7640         } else if (dev->mc_count < 1) {
7641                 /* Reject all multicast. */
7642                 tg3_set_multi (tp, 0);
7643         } else {
7644                 /* Accept one or more multicast(s). */
7645                 struct dev_mc_list *mclist;
7646                 unsigned int i;
7647                 u32 mc_filter[4] = { 0, };
7648                 u32 regidx;
7649                 u32 bit;
7650                 u32 crc;
7651
7652                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7653                      i++, mclist = mclist->next) {
7654
7655                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7656                         bit = ~crc & 0x7f;
7657                         regidx = (bit & 0x60) >> 5;
7658                         bit &= 0x1f;
7659                         mc_filter[regidx] |= (1 << bit);
7660                 }
7661
7662                 tw32(MAC_HASH_REG_0, mc_filter[0]);
7663                 tw32(MAC_HASH_REG_1, mc_filter[1]);
7664                 tw32(MAC_HASH_REG_2, mc_filter[2]);
7665                 tw32(MAC_HASH_REG_3, mc_filter[3]);
7666         }
7667
7668         if (rx_mode != tp->rx_mode) {
7669                 tp->rx_mode = rx_mode;
7670                 tw32_f(MAC_RX_MODE, rx_mode);
7671                 udelay(10);
7672         }
7673 }
7674
7675 static void tg3_set_rx_mode(struct net_device *dev)
7676 {
7677         struct tg3 *tp = netdev_priv(dev);
7678
7679         if (!netif_running(dev))
7680                 return;
7681
7682         tg3_full_lock(tp, 0);
7683         __tg3_set_rx_mode(dev);
7684         tg3_full_unlock(tp);
7685 }
7686
7687 #define TG3_REGDUMP_LEN         (32 * 1024)
7688
7689 static int tg3_get_regs_len(struct net_device *dev)
7690 {
7691         return TG3_REGDUMP_LEN;
7692 }
7693
7694 static void tg3_get_regs(struct net_device *dev,
7695                 struct ethtool_regs *regs, void *_p)
7696 {
7697         u32 *p = _p;
7698         struct tg3 *tp = netdev_priv(dev);
7699         u8 *orig_p = _p;
7700         int i;
7701
7702         regs->version = 0;
7703
7704         memset(p, 0, TG3_REGDUMP_LEN);
7705
7706         if (tp->link_config.phy_is_low_power)
7707                 return;
7708
7709         tg3_full_lock(tp, 0);
7710
7711 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
7712 #define GET_REG32_LOOP(base,len)                \
7713 do {    p = (u32 *)(orig_p + (base));           \
7714         for (i = 0; i < len; i += 4)            \
7715                 __GET_REG32((base) + i);        \
7716 } while (0)
7717 #define GET_REG32_1(reg)                        \
7718 do {    p = (u32 *)(orig_p + (reg));            \
7719         __GET_REG32((reg));                     \
7720 } while (0)
7721
7722         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7723         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7724         GET_REG32_LOOP(MAC_MODE, 0x4f0);
7725         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7726         GET_REG32_1(SNDDATAC_MODE);
7727         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7728         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7729         GET_REG32_1(SNDBDC_MODE);
7730         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7731         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7732         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7733         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7734         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7735         GET_REG32_1(RCVDCC_MODE);
7736         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7737         GET_REG32_LOOP(RCVCC_MODE, 0x14);
7738         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7739         GET_REG32_1(MBFREE_MODE);
7740         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7741         GET_REG32_LOOP(MEMARB_MODE, 0x10);
7742         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7743         GET_REG32_LOOP(RDMAC_MODE, 0x08);
7744         GET_REG32_LOOP(WDMAC_MODE, 0x08);
7745         GET_REG32_1(RX_CPU_MODE);
7746         GET_REG32_1(RX_CPU_STATE);
7747         GET_REG32_1(RX_CPU_PGMCTR);
7748         GET_REG32_1(RX_CPU_HWBKPT);
7749         GET_REG32_1(TX_CPU_MODE);
7750         GET_REG32_1(TX_CPU_STATE);
7751         GET_REG32_1(TX_CPU_PGMCTR);
7752         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7753         GET_REG32_LOOP(FTQ_RESET, 0x120);
7754         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7755         GET_REG32_1(DMAC_MODE);
7756         GET_REG32_LOOP(GRC_MODE, 0x4c);
7757         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7758                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7759
7760 #undef __GET_REG32
7761 #undef GET_REG32_LOOP
7762 #undef GET_REG32_1
7763
7764         tg3_full_unlock(tp);
7765 }
7766
7767 static int tg3_get_eeprom_len(struct net_device *dev)
7768 {
7769         struct tg3 *tp = netdev_priv(dev);
7770
7771         return tp->nvram_size;
7772 }
7773
7774 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7775 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
7776
7777 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7778 {
7779         struct tg3 *tp = netdev_priv(dev);
7780         int ret;
7781         u8  *pd;
7782         u32 i, offset, len, val, b_offset, b_count;
7783
7784         if (tp->link_config.phy_is_low_power)
7785                 return -EAGAIN;
7786
7787         offset = eeprom->offset;
7788         len = eeprom->len;
7789         eeprom->len = 0;
7790
7791         eeprom->magic = TG3_EEPROM_MAGIC;
7792
7793         if (offset & 3) {
7794                 /* adjustments to start on required 4 byte boundary */
7795                 b_offset = offset & 3;
7796                 b_count = 4 - b_offset;
7797                 if (b_count > len) {
7798                         /* i.e. offset=1 len=2 */
7799                         b_count = len;
7800                 }
7801                 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7802                 if (ret)
7803                         return ret;
7804                 val = cpu_to_le32(val);
7805                 memcpy(data, ((char*)&val) + b_offset, b_count);
7806                 len -= b_count;
7807                 offset += b_count;
7808                 eeprom->len += b_count;
7809         }
7810
7811         /* read bytes upto the last 4 byte boundary */
7812         pd = &data[eeprom->len];
7813         for (i = 0; i < (len - (len & 3)); i += 4) {
7814                 ret = tg3_nvram_read(tp, offset + i, &val);
7815                 if (ret) {
7816                         eeprom->len += i;
7817                         return ret;
7818                 }
7819                 val = cpu_to_le32(val);
7820                 memcpy(pd + i, &val, 4);
7821         }
7822         eeprom->len += i;
7823
7824         if (len & 3) {
7825                 /* read last bytes not ending on 4 byte boundary */
7826                 pd = &data[eeprom->len];
7827                 b_count = len & 3;
7828                 b_offset = offset + len - b_count;
7829                 ret = tg3_nvram_read(tp, b_offset, &val);
7830                 if (ret)
7831                         return ret;
7832                 val = cpu_to_le32(val);
7833                 memcpy(pd, ((char*)&val), b_count);
7834                 eeprom->len += b_count;
7835         }
7836         return 0;
7837 }
7838
7839 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7840
7841 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7842 {
7843         struct tg3 *tp = netdev_priv(dev);
7844         int ret;
7845         u32 offset, len, b_offset, odd_len, start, end;
7846         u8 *buf;
7847
7848         if (tp->link_config.phy_is_low_power)
7849                 return -EAGAIN;
7850
7851         if (eeprom->magic != TG3_EEPROM_MAGIC)
7852                 return -EINVAL;
7853
7854         offset = eeprom->offset;
7855         len = eeprom->len;
7856
7857         if ((b_offset = (offset & 3))) {
7858                 /* adjustments to start on required 4 byte boundary */
7859                 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7860                 if (ret)
7861                         return ret;
7862                 start = cpu_to_le32(start);
7863                 len += b_offset;
7864                 offset &= ~3;
7865                 if (len < 4)
7866                         len = 4;
7867         }
7868
7869         odd_len = 0;
7870         if (len & 3) {
7871                 /* adjustments to end on required 4 byte boundary */
7872                 odd_len = 1;
7873                 len = (len + 3) & ~3;
7874                 ret = tg3_nvram_read(tp, offset+len-4, &end);
7875                 if (ret)
7876                         return ret;
7877                 end = cpu_to_le32(end);
7878         }
7879
7880         buf = data;
7881         if (b_offset || odd_len) {
7882                 buf = kmalloc(len, GFP_KERNEL);
7883                 if (buf == 0)
7884                         return -ENOMEM;
7885                 if (b_offset)
7886                         memcpy(buf, &start, 4);
7887                 if (odd_len)
7888                         memcpy(buf+len-4, &end, 4);
7889                 memcpy(buf + b_offset, data, eeprom->len);
7890         }
7891
7892         ret = tg3_nvram_write_block(tp, offset, len, buf);
7893
7894         if (buf != data)
7895                 kfree(buf);
7896
7897         return ret;
7898 }
7899
7900 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7901 {
7902         struct tg3 *tp = netdev_priv(dev);
7903
7904         cmd->supported = (SUPPORTED_Autoneg);
7905
7906         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7907                 cmd->supported |= (SUPPORTED_1000baseT_Half |
7908                                    SUPPORTED_1000baseT_Full);
7909
7910         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
7911                 cmd->supported |= (SUPPORTED_100baseT_Half |
7912                                   SUPPORTED_100baseT_Full |
7913                                   SUPPORTED_10baseT_Half |
7914                                   SUPPORTED_10baseT_Full |
7915                                   SUPPORTED_MII);
7916                 cmd->port = PORT_TP;
7917         } else {
7918                 cmd->supported |= SUPPORTED_FIBRE;
7919                 cmd->port = PORT_FIBRE;
7920         }
7921
7922         cmd->advertising = tp->link_config.advertising;
7923         if (netif_running(dev)) {
7924                 cmd->speed = tp->link_config.active_speed;
7925                 cmd->duplex = tp->link_config.active_duplex;
7926         }
7927         cmd->phy_address = PHY_ADDR;
7928         cmd->transceiver = 0;
7929         cmd->autoneg = tp->link_config.autoneg;
7930         cmd->maxtxpkt = 0;
7931         cmd->maxrxpkt = 0;
7932         return 0;
7933 }
7934
7935 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7936 {
7937         struct tg3 *tp = netdev_priv(dev);
7938
7939         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
7940                 /* These are the only valid advertisement bits allowed.  */
7941                 if (cmd->autoneg == AUTONEG_ENABLE &&
7942                     (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7943                                           ADVERTISED_1000baseT_Full |
7944                                           ADVERTISED_Autoneg |
7945                                           ADVERTISED_FIBRE)))
7946                         return -EINVAL;
7947                 /* Fiber can only do SPEED_1000.  */
7948                 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7949                          (cmd->speed != SPEED_1000))
7950                         return -EINVAL;
7951         /* Copper cannot force SPEED_1000.  */
7952         } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7953                    (cmd->speed == SPEED_1000))
7954                 return -EINVAL;
7955         else if ((cmd->speed == SPEED_1000) &&
7956                  (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7957                 return -EINVAL;
7958
7959         tg3_full_lock(tp, 0);
7960
7961         tp->link_config.autoneg = cmd->autoneg;
7962         if (cmd->autoneg == AUTONEG_ENABLE) {
7963                 tp->link_config.advertising = cmd->advertising;
7964                 tp->link_config.speed = SPEED_INVALID;
7965                 tp->link_config.duplex = DUPLEX_INVALID;
7966         } else {
7967                 tp->link_config.advertising = 0;
7968                 tp->link_config.speed = cmd->speed;
7969                 tp->link_config.duplex = cmd->duplex;
7970         }
7971
7972         if (netif_running(dev))
7973                 tg3_setup_phy(tp, 1);
7974
7975         tg3_full_unlock(tp);
7976
7977         return 0;
7978 }
7979
7980 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7981 {
7982         struct tg3 *tp = netdev_priv(dev);
7983
7984         strcpy(info->driver, DRV_MODULE_NAME);
7985         strcpy(info->version, DRV_MODULE_VERSION);
7986         strcpy(info->fw_version, tp->fw_ver);
7987         strcpy(info->bus_info, pci_name(tp->pdev));
7988 }
7989
7990 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7991 {
7992         struct tg3 *tp = netdev_priv(dev);
7993
7994         wol->supported = WAKE_MAGIC;
7995         wol->wolopts = 0;
7996         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
7997                 wol->wolopts = WAKE_MAGIC;
7998         memset(&wol->sopass, 0, sizeof(wol->sopass));
7999 }
8000
8001 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8002 {
8003         struct tg3 *tp = netdev_priv(dev);
8004
8005         if (wol->wolopts & ~WAKE_MAGIC)
8006                 return -EINVAL;
8007         if ((wol->wolopts & WAKE_MAGIC) &&
8008             tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
8009             !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8010                 return -EINVAL;
8011
8012         spin_lock_bh(&tp->lock);
8013         if (wol->wolopts & WAKE_MAGIC)
8014                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8015         else
8016                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8017         spin_unlock_bh(&tp->lock);
8018
8019         return 0;
8020 }
8021
8022 static u32 tg3_get_msglevel(struct net_device *dev)
8023 {
8024         struct tg3 *tp = netdev_priv(dev);
8025         return tp->msg_enable;
8026 }
8027
8028 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8029 {
8030         struct tg3 *tp = netdev_priv(dev);
8031         tp->msg_enable = value;
8032 }
8033
8034 #if TG3_TSO_SUPPORT != 0
8035 static int tg3_set_tso(struct net_device *dev, u32 value)
8036 {
8037         struct tg3 *tp = netdev_priv(dev);
8038
8039         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8040                 if (value)
8041                         return -EINVAL;
8042                 return 0;
8043         }
8044         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8045             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8046                 if (value)
8047                         dev->features |= NETIF_F_TSO6;
8048                 else
8049                         dev->features &= ~NETIF_F_TSO6;
8050         }
8051         return ethtool_op_set_tso(dev, value);
8052 }
8053 #endif
8054
8055 static int tg3_nway_reset(struct net_device *dev)
8056 {
8057         struct tg3 *tp = netdev_priv(dev);
8058         u32 bmcr;
8059         int r;
8060
8061         if (!netif_running(dev))
8062                 return -EAGAIN;
8063
8064         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8065                 return -EINVAL;
8066
8067         spin_lock_bh(&tp->lock);
8068         r = -EINVAL;
8069         tg3_readphy(tp, MII_BMCR, &bmcr);
8070         if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8071             ((bmcr & BMCR_ANENABLE) ||
8072              (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8073                 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8074                                            BMCR_ANENABLE);
8075                 r = 0;
8076         }
8077         spin_unlock_bh(&tp->lock);
8078
8079         return r;
8080 }
8081
8082 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8083 {
8084         struct tg3 *tp = netdev_priv(dev);
8085
8086         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8087         ering->rx_mini_max_pending = 0;
8088         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8089                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8090         else
8091                 ering->rx_jumbo_max_pending = 0;
8092
8093         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8094
8095         ering->rx_pending = tp->rx_pending;
8096         ering->rx_mini_pending = 0;
8097         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8098                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8099         else
8100                 ering->rx_jumbo_pending = 0;
8101
8102         ering->tx_pending = tp->tx_pending;
8103 }
8104
8105 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8106 {
8107         struct tg3 *tp = netdev_priv(dev);
8108         int irq_sync = 0, err = 0;
8109
8110         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8111             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8112             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8113             (ering->tx_pending <= MAX_SKB_FRAGS) ||
8114             ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG) &&
8115              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8116                 return -EINVAL;
8117
8118         if (netif_running(dev)) {
8119                 tg3_netif_stop(tp);
8120                 irq_sync = 1;
8121         }
8122
8123         tg3_full_lock(tp, irq_sync);
8124
8125         tp->rx_pending = ering->rx_pending;
8126
8127         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8128             tp->rx_pending > 63)
8129                 tp->rx_pending = 63;
8130         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8131         tp->tx_pending = ering->tx_pending;
8132
8133         if (netif_running(dev)) {
8134                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8135                 err = tg3_restart_hw(tp, 1);
8136                 if (!err)
8137                         tg3_netif_start(tp);
8138         }
8139
8140         tg3_full_unlock(tp);
8141
8142         return err;
8143 }
8144
8145 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8146 {
8147         struct tg3 *tp = netdev_priv(dev);
8148
8149         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8150         epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8151         epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8152 }
8153
8154 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8155 {
8156         struct tg3 *tp = netdev_priv(dev);
8157         int irq_sync = 0, err = 0;
8158
8159         if (netif_running(dev)) {
8160                 tg3_netif_stop(tp);
8161                 irq_sync = 1;
8162         }
8163
8164         tg3_full_lock(tp, irq_sync);
8165
8166         if (epause->autoneg)
8167                 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8168         else
8169                 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8170         if (epause->rx_pause)
8171                 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8172         else
8173                 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8174         if (epause->tx_pause)
8175                 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8176         else
8177                 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8178
8179         if (netif_running(dev)) {
8180                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8181                 err = tg3_restart_hw(tp, 1);
8182                 if (!err)
8183                         tg3_netif_start(tp);
8184         }
8185
8186         tg3_full_unlock(tp);
8187
8188         return err;
8189 }
8190
8191 static u32 tg3_get_rx_csum(struct net_device *dev)
8192 {
8193         struct tg3 *tp = netdev_priv(dev);
8194         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8195 }
8196
8197 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8198 {
8199         struct tg3 *tp = netdev_priv(dev);
8200
8201         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8202                 if (data != 0)
8203                         return -EINVAL;
8204                 return 0;
8205         }
8206
8207         spin_lock_bh(&tp->lock);
8208         if (data)
8209                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8210         else
8211                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8212         spin_unlock_bh(&tp->lock);
8213
8214         return 0;
8215 }
8216
8217 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8218 {
8219         struct tg3 *tp = netdev_priv(dev);
8220
8221         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8222                 if (data != 0)
8223                         return -EINVAL;
8224                 return 0;
8225         }
8226
8227         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8228             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8229                 ethtool_op_set_tx_hw_csum(dev, data);
8230         else
8231                 ethtool_op_set_tx_csum(dev, data);
8232
8233         return 0;
8234 }
8235
8236 static int tg3_get_stats_count (struct net_device *dev)
8237 {
8238         return TG3_NUM_STATS;
8239 }
8240
8241 static int tg3_get_test_count (struct net_device *dev)
8242 {
8243         return TG3_NUM_TEST;
8244 }
8245
8246 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8247 {
8248         switch (stringset) {
8249         case ETH_SS_STATS:
8250                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8251                 break;
8252         case ETH_SS_TEST:
8253                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8254                 break;
8255         default:
8256                 WARN_ON(1);     /* we need a WARN() */
8257                 break;
8258         }
8259 }
8260
8261 static int tg3_phys_id(struct net_device *dev, u32 data)
8262 {
8263         struct tg3 *tp = netdev_priv(dev);
8264         int i;
8265
8266         if (!netif_running(tp->dev))
8267                 return -EAGAIN;
8268
8269         if (data == 0)
8270                 data = 2;
8271
8272         for (i = 0; i < (data * 2); i++) {
8273                 if ((i % 2) == 0)
8274                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8275                                            LED_CTRL_1000MBPS_ON |
8276                                            LED_CTRL_100MBPS_ON |
8277                                            LED_CTRL_10MBPS_ON |
8278                                            LED_CTRL_TRAFFIC_OVERRIDE |
8279                                            LED_CTRL_TRAFFIC_BLINK |
8280                                            LED_CTRL_TRAFFIC_LED);
8281
8282                 else
8283                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8284                                            LED_CTRL_TRAFFIC_OVERRIDE);
8285
8286                 if (msleep_interruptible(500))
8287                         break;
8288         }
8289         tw32(MAC_LED_CTRL, tp->led_ctrl);
8290         return 0;
8291 }
8292
8293 static void tg3_get_ethtool_stats (struct net_device *dev,
8294                                    struct ethtool_stats *estats, u64 *tmp_stats)
8295 {
8296         struct tg3 *tp = netdev_priv(dev);
8297         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8298 }
8299
8300 #define NVRAM_TEST_SIZE 0x100
8301 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8302 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8303 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8304
8305 static int tg3_test_nvram(struct tg3 *tp)
8306 {
8307         u32 *buf, csum, magic;
8308         int i, j, err = 0, size;
8309
8310         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8311                 return -EIO;
8312
8313         if (magic == TG3_EEPROM_MAGIC)
8314                 size = NVRAM_TEST_SIZE;
8315         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8316                 if ((magic & 0xe00000) == 0x200000)
8317                         size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8318                 else
8319                         return 0;
8320         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8321                 size = NVRAM_SELFBOOT_HW_SIZE;
8322         else
8323                 return -EIO;
8324
8325         buf = kmalloc(size, GFP_KERNEL);
8326         if (buf == NULL)
8327                 return -ENOMEM;
8328
8329         err = -EIO;
8330         for (i = 0, j = 0; i < size; i += 4, j++) {
8331                 u32 val;
8332
8333                 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8334                         break;
8335                 buf[j] = cpu_to_le32(val);
8336         }
8337         if (i < size)
8338                 goto out;
8339
8340         /* Selfboot format */
8341         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8342             TG3_EEPROM_MAGIC_FW) {
8343                 u8 *buf8 = (u8 *) buf, csum8 = 0;
8344
8345                 for (i = 0; i < size; i++)
8346                         csum8 += buf8[i];
8347
8348                 if (csum8 == 0) {
8349                         err = 0;
8350                         goto out;
8351                 }
8352
8353                 err = -EIO;
8354                 goto out;
8355         }
8356
8357         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8358             TG3_EEPROM_MAGIC_HW) {
8359                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8360                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8361                 u8 *buf8 = (u8 *) buf;
8362                 int j, k;
8363
8364                 /* Separate the parity bits and the data bytes.  */
8365                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8366                         if ((i == 0) || (i == 8)) {
8367                                 int l;
8368                                 u8 msk;
8369
8370                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8371                                         parity[k++] = buf8[i] & msk;
8372                                 i++;
8373                         }
8374                         else if (i == 16) {
8375                                 int l;
8376                                 u8 msk;
8377
8378                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8379                                         parity[k++] = buf8[i] & msk;
8380                                 i++;
8381
8382                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8383                                         parity[k++] = buf8[i] & msk;
8384                                 i++;
8385                         }
8386                         data[j++] = buf8[i];
8387                 }
8388
8389                 err = -EIO;
8390                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8391                         u8 hw8 = hweight8(data[i]);
8392
8393                         if ((hw8 & 0x1) && parity[i])
8394                                 goto out;
8395                         else if (!(hw8 & 0x1) && !parity[i])
8396                                 goto out;
8397                 }
8398                 err = 0;
8399                 goto out;
8400         }
8401
8402         /* Bootstrap checksum at offset 0x10 */
8403         csum = calc_crc((unsigned char *) buf, 0x10);
8404         if(csum != cpu_to_le32(buf[0x10/4]))
8405                 goto out;
8406
8407         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8408         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8409         if (csum != cpu_to_le32(buf[0xfc/4]))
8410                  goto out;
8411
8412         err = 0;
8413
8414 out:
8415         kfree(buf);
8416         return err;
8417 }
8418
8419 #define TG3_SERDES_TIMEOUT_SEC  2
8420 #define TG3_COPPER_TIMEOUT_SEC  6
8421
8422 static int tg3_test_link(struct tg3 *tp)
8423 {
8424         int i, max;
8425
8426         if (!netif_running(tp->dev))
8427                 return -ENODEV;
8428
8429         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8430                 max = TG3_SERDES_TIMEOUT_SEC;
8431         else
8432                 max = TG3_COPPER_TIMEOUT_SEC;
8433
8434         for (i = 0; i < max; i++) {
8435                 if (netif_carrier_ok(tp->dev))
8436                         return 0;
8437
8438                 if (msleep_interruptible(1000))
8439                         break;
8440         }
8441
8442         return -EIO;
8443 }
8444
8445 /* Only test the commonly used registers */
8446 static int tg3_test_registers(struct tg3 *tp)
8447 {
8448         int i, is_5705, is_5750;
8449         u32 offset, read_mask, write_mask, val, save_val, read_val;
8450         static struct {
8451                 u16 offset;
8452                 u16 flags;
8453 #define TG3_FL_5705     0x1
8454 #define TG3_FL_NOT_5705 0x2
8455 #define TG3_FL_NOT_5788 0x4
8456 #define TG3_FL_NOT_5750 0x8
8457                 u32 read_mask;
8458                 u32 write_mask;
8459         } reg_tbl[] = {
8460                 /* MAC Control Registers */
8461                 { MAC_MODE, TG3_FL_NOT_5705,
8462                         0x00000000, 0x00ef6f8c },
8463                 { MAC_MODE, TG3_FL_5705,
8464                         0x00000000, 0x01ef6b8c },
8465                 { MAC_STATUS, TG3_FL_NOT_5705,
8466                         0x03800107, 0x00000000 },
8467                 { MAC_STATUS, TG3_FL_5705,
8468                         0x03800100, 0x00000000 },
8469                 { MAC_ADDR_0_HIGH, 0x0000,
8470                         0x00000000, 0x0000ffff },
8471                 { MAC_ADDR_0_LOW, 0x0000,
8472                         0x00000000, 0xffffffff },
8473                 { MAC_RX_MTU_SIZE, 0x0000,
8474                         0x00000000, 0x0000ffff },
8475                 { MAC_TX_MODE, 0x0000,
8476                         0x00000000, 0x00000070 },
8477                 { MAC_TX_LENGTHS, 0x0000,
8478                         0x00000000, 0x00003fff },
8479                 { MAC_RX_MODE, TG3_FL_NOT_5705,
8480                         0x00000000, 0x000007fc },
8481                 { MAC_RX_MODE, TG3_FL_5705,
8482                         0x00000000, 0x000007dc },
8483                 { MAC_HASH_REG_0, 0x0000,
8484                         0x00000000, 0xffffffff },
8485                 { MAC_HASH_REG_1, 0x0000,
8486                         0x00000000, 0xffffffff },
8487                 { MAC_HASH_REG_2, 0x0000,
8488                         0x00000000, 0xffffffff },
8489                 { MAC_HASH_REG_3, 0x0000,
8490                         0x00000000, 0xffffffff },
8491
8492                 /* Receive Data and Receive BD Initiator Control Registers. */
8493                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8494                         0x00000000, 0xffffffff },
8495                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8496                         0x00000000, 0xffffffff },
8497                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8498                         0x00000000, 0x00000003 },
8499                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8500                         0x00000000, 0xffffffff },
8501                 { RCVDBDI_STD_BD+0, 0x0000,
8502                         0x00000000, 0xffffffff },
8503                 { RCVDBDI_STD_BD+4, 0x0000,
8504                         0x00000000, 0xffffffff },
8505                 { RCVDBDI_STD_BD+8, 0x0000,
8506                         0x00000000, 0xffff0002 },
8507                 { RCVDBDI_STD_BD+0xc, 0x0000,
8508                         0x00000000, 0xffffffff },
8509
8510                 /* Receive BD Initiator Control Registers. */
8511                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8512                         0x00000000, 0xffffffff },
8513                 { RCVBDI_STD_THRESH, TG3_FL_5705,
8514                         0x00000000, 0x000003ff },
8515                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8516                         0x00000000, 0xffffffff },
8517
8518                 /* Host Coalescing Control Registers. */
8519                 { HOSTCC_MODE, TG3_FL_NOT_5705,
8520                         0x00000000, 0x00000004 },
8521                 { HOSTCC_MODE, TG3_FL_5705,
8522                         0x00000000, 0x000000f6 },
8523                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8524                         0x00000000, 0xffffffff },
8525                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8526                         0x00000000, 0x000003ff },
8527                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8528                         0x00000000, 0xffffffff },
8529                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8530                         0x00000000, 0x000003ff },
8531                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8532                         0x00000000, 0xffffffff },
8533                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8534                         0x00000000, 0x000000ff },
8535                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8536                         0x00000000, 0xffffffff },
8537                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8538                         0x00000000, 0x000000ff },
8539                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8540                         0x00000000, 0xffffffff },
8541                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8542                         0x00000000, 0xffffffff },
8543                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8544                         0x00000000, 0xffffffff },
8545                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8546                         0x00000000, 0x000000ff },
8547                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8548                         0x00000000, 0xffffffff },
8549                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8550                         0x00000000, 0x000000ff },
8551                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8552                         0x00000000, 0xffffffff },
8553                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8554                         0x00000000, 0xffffffff },
8555                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8556                         0x00000000, 0xffffffff },
8557                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8558                         0x00000000, 0xffffffff },
8559                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8560                         0x00000000, 0xffffffff },
8561                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8562                         0xffffffff, 0x00000000 },
8563                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8564                         0xffffffff, 0x00000000 },
8565
8566                 /* Buffer Manager Control Registers. */
8567                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8568                         0x00000000, 0x007fff80 },
8569                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8570                         0x00000000, 0x007fffff },
8571                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8572                         0x00000000, 0x0000003f },
8573                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8574                         0x00000000, 0x000001ff },
8575                 { BUFMGR_MB_HIGH_WATER, 0x0000,
8576                         0x00000000, 0x000001ff },
8577                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8578                         0xffffffff, 0x00000000 },
8579                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8580                         0xffffffff, 0x00000000 },
8581
8582                 /* Mailbox Registers */
8583                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8584                         0x00000000, 0x000001ff },
8585                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8586                         0x00000000, 0x000001ff },
8587                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8588                         0x00000000, 0x000007ff },
8589                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8590                         0x00000000, 0x000001ff },
8591
8592                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8593         };
8594
8595         is_5705 = is_5750 = 0;
8596         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8597                 is_5705 = 1;
8598                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8599                         is_5750 = 1;
8600         }
8601
8602         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8603                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8604                         continue;
8605
8606                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8607                         continue;
8608
8609                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8610                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
8611                         continue;
8612
8613                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8614                         continue;
8615
8616                 offset = (u32) reg_tbl[i].offset;
8617                 read_mask = reg_tbl[i].read_mask;
8618                 write_mask = reg_tbl[i].write_mask;
8619
8620                 /* Save the original register content */
8621                 save_val = tr32(offset);
8622
8623                 /* Determine the read-only value. */
8624                 read_val = save_val & read_mask;
8625
8626                 /* Write zero to the register, then make sure the read-only bits
8627                  * are not changed and the read/write bits are all zeros.
8628                  */
8629                 tw32(offset, 0);
8630
8631                 val = tr32(offset);
8632
8633                 /* Test the read-only and read/write bits. */
8634                 if (((val & read_mask) != read_val) || (val & write_mask))
8635                         goto out;
8636
8637                 /* Write ones to all the bits defined by RdMask and WrMask, then
8638                  * make sure the read-only bits are not changed and the
8639                  * read/write bits are all ones.
8640                  */
8641                 tw32(offset, read_mask | write_mask);
8642
8643                 val = tr32(offset);
8644
8645                 /* Test the read-only bits. */
8646                 if ((val & read_mask) != read_val)
8647                         goto out;
8648
8649                 /* Test the read/write bits. */
8650                 if ((val & write_mask) != write_mask)
8651                         goto out;
8652
8653                 tw32(offset, save_val);
8654         }
8655
8656         return 0;
8657
8658 out:
8659         printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
8660         tw32(offset, save_val);
8661         return -EIO;
8662 }
8663
8664 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8665 {
8666         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
8667         int i;
8668         u32 j;
8669
8670         for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8671                 for (j = 0; j < len; j += 4) {
8672                         u32 val;
8673
8674                         tg3_write_mem(tp, offset + j, test_pattern[i]);
8675                         tg3_read_mem(tp, offset + j, &val);
8676                         if (val != test_pattern[i])
8677                                 return -EIO;
8678                 }
8679         }
8680         return 0;
8681 }
8682
8683 static int tg3_test_memory(struct tg3 *tp)
8684 {
8685         static struct mem_entry {
8686                 u32 offset;
8687                 u32 len;
8688         } mem_tbl_570x[] = {
8689                 { 0x00000000, 0x00b50},
8690                 { 0x00002000, 0x1c000},
8691                 { 0xffffffff, 0x00000}
8692         }, mem_tbl_5705[] = {
8693                 { 0x00000100, 0x0000c},
8694                 { 0x00000200, 0x00008},
8695                 { 0x00004000, 0x00800},
8696                 { 0x00006000, 0x01000},
8697                 { 0x00008000, 0x02000},
8698                 { 0x00010000, 0x0e000},
8699                 { 0xffffffff, 0x00000}
8700         }, mem_tbl_5755[] = {
8701                 { 0x00000200, 0x00008},
8702                 { 0x00004000, 0x00800},
8703                 { 0x00006000, 0x00800},
8704                 { 0x00008000, 0x02000},
8705                 { 0x00010000, 0x0c000},
8706                 { 0xffffffff, 0x00000}
8707         }, mem_tbl_5906[] = {
8708                 { 0x00000200, 0x00008},
8709                 { 0x00004000, 0x00400},
8710                 { 0x00006000, 0x00400},
8711                 { 0x00008000, 0x01000},
8712                 { 0x00010000, 0x01000},
8713                 { 0xffffffff, 0x00000}
8714         };
8715         struct mem_entry *mem_tbl;
8716         int err = 0;
8717         int i;
8718
8719         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8720                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8721                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8722                         mem_tbl = mem_tbl_5755;
8723                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8724                         mem_tbl = mem_tbl_5906;
8725                 else
8726                         mem_tbl = mem_tbl_5705;
8727         } else
8728                 mem_tbl = mem_tbl_570x;
8729
8730         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8731                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8732                     mem_tbl[i].len)) != 0)
8733                         break;
8734         }
8735
8736         return err;
8737 }
8738
8739 #define TG3_MAC_LOOPBACK        0
8740 #define TG3_PHY_LOOPBACK        1
8741
8742 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
8743 {
8744         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
8745         u32 desc_idx;
8746         struct sk_buff *skb, *rx_skb;
8747         u8 *tx_data;
8748         dma_addr_t map;
8749         int num_pkts, tx_len, rx_len, i, err;
8750         struct tg3_rx_buffer_desc *desc;
8751
8752         if (loopback_mode == TG3_MAC_LOOPBACK) {
8753                 /* HW errata - mac loopback fails in some cases on 5780.
8754                  * Normal traffic and PHY loopback are not affected by
8755                  * errata.
8756                  */
8757                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8758                         return 0;
8759
8760                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8761                            MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8762                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8763                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8764                 else
8765                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8766                 tw32(MAC_MODE, mac_mode);
8767         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
8768                 u32 val;
8769
8770                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8771                         u32 phytest;
8772
8773                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8774                                 u32 phy;
8775
8776                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8777                                              phytest | MII_TG3_EPHY_SHADOW_EN);
8778                                 if (!tg3_readphy(tp, 0x1b, &phy))
8779                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
8780                                 if (!tg3_readphy(tp, 0x10, &phy))
8781                                         tg3_writephy(tp, 0x10, phy & ~0x4000);
8782                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8783                         }
8784                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8785                 } else
8786                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
8787
8788                 tg3_writephy(tp, MII_BMCR, val);
8789                 udelay(40);
8790
8791                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8792                            MAC_MODE_LINK_POLARITY;
8793                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8794                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
8795                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8796                 } else
8797                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8798
8799                 /* reset to prevent losing 1st rx packet intermittently */
8800                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8801                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8802                         udelay(10);
8803                         tw32_f(MAC_RX_MODE, tp->rx_mode);
8804                 }
8805                 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
8806                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
8807                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
8808                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8809                 }
8810                 tw32(MAC_MODE, mac_mode);
8811         }
8812         else
8813                 return -EINVAL;
8814
8815         err = -EIO;
8816
8817         tx_len = 1514;
8818         skb = netdev_alloc_skb(tp->dev, tx_len);
8819         if (!skb)
8820                 return -ENOMEM;
8821
8822         tx_data = skb_put(skb, tx_len);
8823         memcpy(tx_data, tp->dev->dev_addr, 6);
8824         memset(tx_data + 6, 0x0, 8);
8825
8826         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8827
8828         for (i = 14; i < tx_len; i++)
8829                 tx_data[i] = (u8) (i & 0xff);
8830
8831         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8832
8833         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8834              HOSTCC_MODE_NOW);
8835
8836         udelay(10);
8837
8838         rx_start_idx = tp->hw_status->idx[0].rx_producer;
8839
8840         num_pkts = 0;
8841
8842         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
8843
8844         tp->tx_prod++;
8845         num_pkts++;
8846
8847         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8848                      tp->tx_prod);
8849         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
8850
8851         udelay(10);
8852
8853         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
8854         for (i = 0; i < 25; i++) {
8855                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8856                        HOSTCC_MODE_NOW);
8857
8858                 udelay(10);
8859
8860                 tx_idx = tp->hw_status->idx[0].tx_consumer;
8861                 rx_idx = tp->hw_status->idx[0].rx_producer;
8862                 if ((tx_idx == tp->tx_prod) &&
8863                     (rx_idx == (rx_start_idx + num_pkts)))
8864                         break;
8865         }
8866
8867         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8868         dev_kfree_skb(skb);
8869
8870         if (tx_idx != tp->tx_prod)
8871                 goto out;
8872
8873         if (rx_idx != rx_start_idx + num_pkts)
8874                 goto out;
8875
8876         desc = &tp->rx_rcb[rx_start_idx];
8877         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8878         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8879         if (opaque_key != RXD_OPAQUE_RING_STD)
8880                 goto out;
8881
8882         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8883             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8884                 goto out;
8885
8886         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8887         if (rx_len != tx_len)
8888                 goto out;
8889
8890         rx_skb = tp->rx_std_buffers[desc_idx].skb;
8891
8892         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8893         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8894
8895         for (i = 14; i < tx_len; i++) {
8896                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8897                         goto out;
8898         }
8899         err = 0;
8900
8901         /* tg3_free_rings will unmap and free the rx_skb */
8902 out:
8903         return err;
8904 }
8905
8906 #define TG3_MAC_LOOPBACK_FAILED         1
8907 #define TG3_PHY_LOOPBACK_FAILED         2
8908 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
8909                                          TG3_PHY_LOOPBACK_FAILED)
8910
8911 static int tg3_test_loopback(struct tg3 *tp)
8912 {
8913         int err = 0;
8914
8915         if (!netif_running(tp->dev))
8916                 return TG3_LOOPBACK_FAILED;
8917
8918         err = tg3_reset_hw(tp, 1);
8919         if (err)
8920                 return TG3_LOOPBACK_FAILED;
8921
8922         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8923                 err |= TG3_MAC_LOOPBACK_FAILED;
8924         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8925                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8926                         err |= TG3_PHY_LOOPBACK_FAILED;
8927         }
8928
8929         return err;
8930 }
8931
8932 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8933                           u64 *data)
8934 {
8935         struct tg3 *tp = netdev_priv(dev);
8936
8937         if (tp->link_config.phy_is_low_power)
8938                 tg3_set_power_state(tp, PCI_D0);
8939
8940         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8941
8942         if (tg3_test_nvram(tp) != 0) {
8943                 etest->flags |= ETH_TEST_FL_FAILED;
8944                 data[0] = 1;
8945         }
8946         if (tg3_test_link(tp) != 0) {
8947                 etest->flags |= ETH_TEST_FL_FAILED;
8948                 data[1] = 1;
8949         }
8950         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8951                 int err, irq_sync = 0;
8952
8953                 if (netif_running(dev)) {
8954                         tg3_netif_stop(tp);
8955                         irq_sync = 1;
8956                 }
8957
8958                 tg3_full_lock(tp, irq_sync);
8959
8960                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
8961                 err = tg3_nvram_lock(tp);
8962                 tg3_halt_cpu(tp, RX_CPU_BASE);
8963                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8964                         tg3_halt_cpu(tp, TX_CPU_BASE);
8965                 if (!err)
8966                         tg3_nvram_unlock(tp);
8967
8968                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8969                         tg3_phy_reset(tp);
8970
8971                 if (tg3_test_registers(tp) != 0) {
8972                         etest->flags |= ETH_TEST_FL_FAILED;
8973                         data[2] = 1;
8974                 }
8975                 if (tg3_test_memory(tp) != 0) {
8976                         etest->flags |= ETH_TEST_FL_FAILED;
8977                         data[3] = 1;
8978                 }
8979                 if ((data[4] = tg3_test_loopback(tp)) != 0)
8980                         etest->flags |= ETH_TEST_FL_FAILED;
8981
8982                 tg3_full_unlock(tp);
8983
8984                 if (tg3_test_interrupt(tp) != 0) {
8985                         etest->flags |= ETH_TEST_FL_FAILED;
8986                         data[5] = 1;
8987                 }
8988
8989                 tg3_full_lock(tp, 0);
8990
8991                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8992                 if (netif_running(dev)) {
8993                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8994                         if (!tg3_restart_hw(tp, 1))
8995                                 tg3_netif_start(tp);
8996                 }
8997
8998                 tg3_full_unlock(tp);
8999         }
9000         if (tp->link_config.phy_is_low_power)
9001                 tg3_set_power_state(tp, PCI_D3hot);
9002
9003 }
9004
9005 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9006 {
9007         struct mii_ioctl_data *data = if_mii(ifr);
9008         struct tg3 *tp = netdev_priv(dev);
9009         int err;
9010
9011         switch(cmd) {
9012         case SIOCGMIIPHY:
9013                 data->phy_id = PHY_ADDR;
9014
9015                 /* fallthru */
9016         case SIOCGMIIREG: {
9017                 u32 mii_regval;
9018
9019                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9020                         break;                  /* We have no PHY */
9021
9022                 if (tp->link_config.phy_is_low_power)
9023                         return -EAGAIN;
9024
9025                 spin_lock_bh(&tp->lock);
9026                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9027                 spin_unlock_bh(&tp->lock);
9028
9029                 data->val_out = mii_regval;
9030
9031                 return err;
9032         }
9033
9034         case SIOCSMIIREG:
9035                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9036                         break;                  /* We have no PHY */
9037
9038                 if (!capable(CAP_NET_ADMIN))
9039                         return -EPERM;
9040
9041                 if (tp->link_config.phy_is_low_power)
9042                         return -EAGAIN;
9043
9044                 spin_lock_bh(&tp->lock);
9045                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9046                 spin_unlock_bh(&tp->lock);
9047
9048                 return err;
9049
9050         default:
9051                 /* do nothing */
9052                 break;
9053         }
9054         return -EOPNOTSUPP;
9055 }
9056
9057 #if TG3_VLAN_TAG_USED
9058 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9059 {
9060         struct tg3 *tp = netdev_priv(dev);
9061
9062         if (netif_running(dev))
9063                 tg3_netif_stop(tp);
9064
9065         tg3_full_lock(tp, 0);
9066
9067         tp->vlgrp = grp;
9068
9069         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9070         __tg3_set_rx_mode(dev);
9071
9072         tg3_full_unlock(tp);
9073
9074         if (netif_running(dev))
9075                 tg3_netif_start(tp);
9076 }
9077
9078 static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9079 {
9080         struct tg3 *tp = netdev_priv(dev);
9081
9082         if (netif_running(dev))
9083                 tg3_netif_stop(tp);
9084
9085         tg3_full_lock(tp, 0);
9086         if (tp->vlgrp)
9087                 tp->vlgrp->vlan_devices[vid] = NULL;
9088         tg3_full_unlock(tp);
9089
9090         if (netif_running(dev))
9091                 tg3_netif_start(tp);
9092 }
9093 #endif
9094
9095 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9096 {
9097         struct tg3 *tp = netdev_priv(dev);
9098
9099         memcpy(ec, &tp->coal, sizeof(*ec));
9100         return 0;
9101 }
9102
9103 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9104 {
9105         struct tg3 *tp = netdev_priv(dev);
9106         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9107         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9108
9109         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9110                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9111                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9112                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9113                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9114         }
9115
9116         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9117             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9118             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9119             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9120             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9121             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9122             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9123             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9124             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9125             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9126                 return -EINVAL;
9127
9128         /* No rx interrupts will be generated if both are zero */
9129         if ((ec->rx_coalesce_usecs == 0) &&
9130             (ec->rx_max_coalesced_frames == 0))
9131                 return -EINVAL;
9132
9133         /* No tx interrupts will be generated if both are zero */
9134         if ((ec->tx_coalesce_usecs == 0) &&
9135             (ec->tx_max_coalesced_frames == 0))
9136                 return -EINVAL;
9137
9138         /* Only copy relevant parameters, ignore all others. */
9139         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9140         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9141         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9142         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9143         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9144         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9145         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9146         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9147         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9148
9149         if (netif_running(dev)) {
9150                 tg3_full_lock(tp, 0);
9151                 __tg3_set_coalesce(tp, &tp->coal);
9152                 tg3_full_unlock(tp);
9153         }
9154         return 0;
9155 }
9156
9157 static const struct ethtool_ops tg3_ethtool_ops = {
9158         .get_settings           = tg3_get_settings,
9159         .set_settings           = tg3_set_settings,
9160         .get_drvinfo            = tg3_get_drvinfo,
9161         .get_regs_len           = tg3_get_regs_len,
9162         .get_regs               = tg3_get_regs,
9163         .get_wol                = tg3_get_wol,
9164         .set_wol                = tg3_set_wol,
9165         .get_msglevel           = tg3_get_msglevel,
9166         .set_msglevel           = tg3_set_msglevel,
9167         .nway_reset             = tg3_nway_reset,
9168         .get_link               = ethtool_op_get_link,
9169         .get_eeprom_len         = tg3_get_eeprom_len,
9170         .get_eeprom             = tg3_get_eeprom,
9171         .set_eeprom             = tg3_set_eeprom,
9172         .get_ringparam          = tg3_get_ringparam,
9173         .set_ringparam          = tg3_set_ringparam,
9174         .get_pauseparam         = tg3_get_pauseparam,
9175         .set_pauseparam         = tg3_set_pauseparam,
9176         .get_rx_csum            = tg3_get_rx_csum,
9177         .set_rx_csum            = tg3_set_rx_csum,
9178         .get_tx_csum            = ethtool_op_get_tx_csum,
9179         .set_tx_csum            = tg3_set_tx_csum,
9180         .get_sg                 = ethtool_op_get_sg,
9181         .set_sg                 = ethtool_op_set_sg,
9182 #if TG3_TSO_SUPPORT != 0
9183         .get_tso                = ethtool_op_get_tso,
9184         .set_tso                = tg3_set_tso,
9185 #endif
9186         .self_test_count        = tg3_get_test_count,
9187         .self_test              = tg3_self_test,
9188         .get_strings            = tg3_get_strings,
9189         .phys_id                = tg3_phys_id,
9190         .get_stats_count        = tg3_get_stats_count,
9191         .get_ethtool_stats      = tg3_get_ethtool_stats,
9192         .get_coalesce           = tg3_get_coalesce,
9193         .set_coalesce           = tg3_set_coalesce,
9194         .get_perm_addr          = ethtool_op_get_perm_addr,
9195 };
9196
9197 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9198 {
9199         u32 cursize, val, magic;
9200
9201         tp->nvram_size = EEPROM_CHIP_SIZE;
9202
9203         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9204                 return;
9205
9206         if ((magic != TG3_EEPROM_MAGIC) &&
9207             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9208             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9209                 return;
9210
9211         /*
9212          * Size the chip by reading offsets at increasing powers of two.
9213          * When we encounter our validation signature, we know the addressing
9214          * has wrapped around, and thus have our chip size.
9215          */
9216         cursize = 0x10;
9217
9218         while (cursize < tp->nvram_size) {
9219                 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9220                         return;
9221
9222                 if (val == magic)
9223                         break;
9224
9225                 cursize <<= 1;
9226         }
9227
9228         tp->nvram_size = cursize;
9229 }
9230
9231 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9232 {
9233         u32 val;
9234
9235         if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9236                 return;
9237
9238         /* Selfboot format */
9239         if (val != TG3_EEPROM_MAGIC) {
9240                 tg3_get_eeprom_size(tp);
9241                 return;
9242         }
9243
9244         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9245                 if (val != 0) {
9246                         tp->nvram_size = (val >> 16) * 1024;
9247                         return;
9248                 }
9249         }
9250         tp->nvram_size = 0x20000;
9251 }
9252
9253 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9254 {
9255         u32 nvcfg1;
9256
9257         nvcfg1 = tr32(NVRAM_CFG1);
9258         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9259                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9260         }
9261         else {
9262                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9263                 tw32(NVRAM_CFG1, nvcfg1);
9264         }
9265
9266         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9267             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9268                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9269                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9270                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9271                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9272                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9273                                 break;
9274                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9275                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9276                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9277                                 break;
9278                         case FLASH_VENDOR_ATMEL_EEPROM:
9279                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9280                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9281                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9282                                 break;
9283                         case FLASH_VENDOR_ST:
9284                                 tp->nvram_jedecnum = JEDEC_ST;
9285                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9286                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9287                                 break;
9288                         case FLASH_VENDOR_SAIFUN:
9289                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
9290                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9291                                 break;
9292                         case FLASH_VENDOR_SST_SMALL:
9293                         case FLASH_VENDOR_SST_LARGE:
9294                                 tp->nvram_jedecnum = JEDEC_SST;
9295                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9296                                 break;
9297                 }
9298         }
9299         else {
9300                 tp->nvram_jedecnum = JEDEC_ATMEL;
9301                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9302                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9303         }
9304 }
9305
9306 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9307 {
9308         u32 nvcfg1;
9309
9310         nvcfg1 = tr32(NVRAM_CFG1);
9311
9312         /* NVRAM protection for TPM */
9313         if (nvcfg1 & (1 << 27))
9314                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9315
9316         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9317                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9318                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9319                         tp->nvram_jedecnum = JEDEC_ATMEL;
9320                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9321                         break;
9322                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9323                         tp->nvram_jedecnum = JEDEC_ATMEL;
9324                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9325                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9326                         break;
9327                 case FLASH_5752VENDOR_ST_M45PE10:
9328                 case FLASH_5752VENDOR_ST_M45PE20:
9329                 case FLASH_5752VENDOR_ST_M45PE40:
9330                         tp->nvram_jedecnum = JEDEC_ST;
9331                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9332                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9333                         break;
9334         }
9335
9336         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9337                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9338                         case FLASH_5752PAGE_SIZE_256:
9339                                 tp->nvram_pagesize = 256;
9340                                 break;
9341                         case FLASH_5752PAGE_SIZE_512:
9342                                 tp->nvram_pagesize = 512;
9343                                 break;
9344                         case FLASH_5752PAGE_SIZE_1K:
9345                                 tp->nvram_pagesize = 1024;
9346                                 break;
9347                         case FLASH_5752PAGE_SIZE_2K:
9348                                 tp->nvram_pagesize = 2048;
9349                                 break;
9350                         case FLASH_5752PAGE_SIZE_4K:
9351                                 tp->nvram_pagesize = 4096;
9352                                 break;
9353                         case FLASH_5752PAGE_SIZE_264:
9354                                 tp->nvram_pagesize = 264;
9355                                 break;
9356                 }
9357         }
9358         else {
9359                 /* For eeprom, set pagesize to maximum eeprom size */
9360                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9361
9362                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9363                 tw32(NVRAM_CFG1, nvcfg1);
9364         }
9365 }
9366
9367 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9368 {
9369         u32 nvcfg1;
9370
9371         nvcfg1 = tr32(NVRAM_CFG1);
9372
9373         /* NVRAM protection for TPM */
9374         if (nvcfg1 & (1 << 27))
9375                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9376
9377         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9378                 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9379                 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9380                         tp->nvram_jedecnum = JEDEC_ATMEL;
9381                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9382                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9383
9384                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9385                         tw32(NVRAM_CFG1, nvcfg1);
9386                         break;
9387                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9388                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9389                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9390                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9391                 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9392                         tp->nvram_jedecnum = JEDEC_ATMEL;
9393                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9394                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9395                         tp->nvram_pagesize = 264;
9396                         break;
9397                 case FLASH_5752VENDOR_ST_M45PE10:
9398                 case FLASH_5752VENDOR_ST_M45PE20:
9399                 case FLASH_5752VENDOR_ST_M45PE40:
9400                         tp->nvram_jedecnum = JEDEC_ST;
9401                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9402                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9403                         tp->nvram_pagesize = 256;
9404                         break;
9405         }
9406 }
9407
9408 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9409 {
9410         u32 nvcfg1;
9411
9412         nvcfg1 = tr32(NVRAM_CFG1);
9413
9414         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9415                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9416                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9417                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9418                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9419                         tp->nvram_jedecnum = JEDEC_ATMEL;
9420                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9421                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9422
9423                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9424                         tw32(NVRAM_CFG1, nvcfg1);
9425                         break;
9426                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9427                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9428                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9429                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9430                         tp->nvram_jedecnum = JEDEC_ATMEL;
9431                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9432                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9433                         tp->nvram_pagesize = 264;
9434                         break;
9435                 case FLASH_5752VENDOR_ST_M45PE10:
9436                 case FLASH_5752VENDOR_ST_M45PE20:
9437                 case FLASH_5752VENDOR_ST_M45PE40:
9438                         tp->nvram_jedecnum = JEDEC_ST;
9439                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9440                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9441                         tp->nvram_pagesize = 256;
9442                         break;
9443         }
9444 }
9445
9446 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9447 {
9448         tp->nvram_jedecnum = JEDEC_ATMEL;
9449         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9450         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9451 }
9452
9453 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9454 static void __devinit tg3_nvram_init(struct tg3 *tp)
9455 {
9456         int j;
9457
9458         tw32_f(GRC_EEPROM_ADDR,
9459              (EEPROM_ADDR_FSM_RESET |
9460               (EEPROM_DEFAULT_CLOCK_PERIOD <<
9461                EEPROM_ADDR_CLKPERD_SHIFT)));
9462
9463         /* XXX schedule_timeout() ... */
9464         for (j = 0; j < 100; j++)
9465                 udelay(10);
9466
9467         /* Enable seeprom accesses. */
9468         tw32_f(GRC_LOCAL_CTRL,
9469              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9470         udelay(100);
9471
9472         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9473             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9474                 tp->tg3_flags |= TG3_FLAG_NVRAM;
9475
9476                 if (tg3_nvram_lock(tp)) {
9477                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9478                                "tg3_nvram_init failed.\n", tp->dev->name);
9479                         return;
9480                 }
9481                 tg3_enable_nvram_access(tp);
9482
9483                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9484                         tg3_get_5752_nvram_info(tp);
9485                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9486                         tg3_get_5755_nvram_info(tp);
9487                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9488                         tg3_get_5787_nvram_info(tp);
9489                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9490                         tg3_get_5906_nvram_info(tp);
9491                 else
9492                         tg3_get_nvram_info(tp);
9493
9494                 tg3_get_nvram_size(tp);
9495
9496                 tg3_disable_nvram_access(tp);
9497                 tg3_nvram_unlock(tp);
9498
9499         } else {
9500                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9501
9502                 tg3_get_eeprom_size(tp);
9503         }
9504 }
9505
9506 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9507                                         u32 offset, u32 *val)
9508 {
9509         u32 tmp;
9510         int i;
9511
9512         if (offset > EEPROM_ADDR_ADDR_MASK ||
9513             (offset % 4) != 0)
9514                 return -EINVAL;
9515
9516         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9517                                         EEPROM_ADDR_DEVID_MASK |
9518                                         EEPROM_ADDR_READ);
9519         tw32(GRC_EEPROM_ADDR,
9520              tmp |
9521              (0 << EEPROM_ADDR_DEVID_SHIFT) |
9522              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9523               EEPROM_ADDR_ADDR_MASK) |
9524              EEPROM_ADDR_READ | EEPROM_ADDR_START);
9525
9526         for (i = 0; i < 10000; i++) {
9527                 tmp = tr32(GRC_EEPROM_ADDR);
9528
9529                 if (tmp & EEPROM_ADDR_COMPLETE)
9530                         break;
9531                 udelay(100);
9532         }
9533         if (!(tmp & EEPROM_ADDR_COMPLETE))
9534                 return -EBUSY;
9535
9536         *val = tr32(GRC_EEPROM_DATA);
9537         return 0;
9538 }
9539
9540 #define NVRAM_CMD_TIMEOUT 10000
9541
9542 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9543 {
9544         int i;
9545
9546         tw32(NVRAM_CMD, nvram_cmd);
9547         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9548                 udelay(10);
9549                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9550                         udelay(10);
9551                         break;
9552                 }
9553         }
9554         if (i == NVRAM_CMD_TIMEOUT) {
9555                 return -EBUSY;
9556         }
9557         return 0;
9558 }
9559
9560 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9561 {
9562         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9563             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9564             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9565             (tp->nvram_jedecnum == JEDEC_ATMEL))
9566
9567                 addr = ((addr / tp->nvram_pagesize) <<
9568                         ATMEL_AT45DB0X1B_PAGE_POS) +
9569                        (addr % tp->nvram_pagesize);
9570
9571         return addr;
9572 }
9573
9574 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9575 {
9576         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9577             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9578             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9579             (tp->nvram_jedecnum == JEDEC_ATMEL))
9580
9581                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9582                         tp->nvram_pagesize) +
9583                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9584
9585         return addr;
9586 }
9587
9588 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9589 {
9590         int ret;
9591
9592         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9593                 return tg3_nvram_read_using_eeprom(tp, offset, val);
9594
9595         offset = tg3_nvram_phys_addr(tp, offset);
9596
9597         if (offset > NVRAM_ADDR_MSK)
9598                 return -EINVAL;
9599
9600         ret = tg3_nvram_lock(tp);
9601         if (ret)
9602                 return ret;
9603
9604         tg3_enable_nvram_access(tp);
9605
9606         tw32(NVRAM_ADDR, offset);
9607         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9608                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9609
9610         if (ret == 0)
9611                 *val = swab32(tr32(NVRAM_RDDATA));
9612
9613         tg3_disable_nvram_access(tp);
9614
9615         tg3_nvram_unlock(tp);
9616
9617         return ret;
9618 }
9619
9620 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9621 {
9622         int err;
9623         u32 tmp;
9624
9625         err = tg3_nvram_read(tp, offset, &tmp);
9626         *val = swab32(tmp);
9627         return err;
9628 }
9629
9630 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9631                                     u32 offset, u32 len, u8 *buf)
9632 {
9633         int i, j, rc = 0;
9634         u32 val;
9635
9636         for (i = 0; i < len; i += 4) {
9637                 u32 addr, data;
9638
9639                 addr = offset + i;
9640
9641                 memcpy(&data, buf + i, 4);
9642
9643                 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9644
9645                 val = tr32(GRC_EEPROM_ADDR);
9646                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9647
9648                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9649                         EEPROM_ADDR_READ);
9650                 tw32(GRC_EEPROM_ADDR, val |
9651                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
9652                         (addr & EEPROM_ADDR_ADDR_MASK) |
9653                         EEPROM_ADDR_START |
9654                         EEPROM_ADDR_WRITE);
9655
9656                 for (j = 0; j < 10000; j++) {
9657                         val = tr32(GRC_EEPROM_ADDR);
9658
9659                         if (val & EEPROM_ADDR_COMPLETE)
9660                                 break;
9661                         udelay(100);
9662                 }
9663                 if (!(val & EEPROM_ADDR_COMPLETE)) {
9664                         rc = -EBUSY;
9665                         break;
9666                 }
9667         }
9668
9669         return rc;
9670 }
9671
9672 /* offset and length are dword aligned */
9673 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9674                 u8 *buf)
9675 {
9676         int ret = 0;
9677         u32 pagesize = tp->nvram_pagesize;
9678         u32 pagemask = pagesize - 1;
9679         u32 nvram_cmd;
9680         u8 *tmp;
9681
9682         tmp = kmalloc(pagesize, GFP_KERNEL);
9683         if (tmp == NULL)
9684                 return -ENOMEM;
9685
9686         while (len) {
9687                 int j;
9688                 u32 phy_addr, page_off, size;
9689
9690                 phy_addr = offset & ~pagemask;
9691
9692                 for (j = 0; j < pagesize; j += 4) {
9693                         if ((ret = tg3_nvram_read(tp, phy_addr + j,
9694                                                 (u32 *) (tmp + j))))
9695                                 break;
9696                 }
9697                 if (ret)
9698                         break;
9699
9700                 page_off = offset & pagemask;
9701                 size = pagesize;
9702                 if (len < size)
9703                         size = len;
9704
9705                 len -= size;
9706
9707                 memcpy(tmp + page_off, buf, size);
9708
9709                 offset = offset + (pagesize - page_off);
9710
9711                 tg3_enable_nvram_access(tp);
9712
9713                 /*
9714                  * Before we can erase the flash page, we need
9715                  * to issue a special "write enable" command.
9716                  */
9717                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9718
9719                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9720                         break;
9721
9722                 /* Erase the target page */
9723                 tw32(NVRAM_ADDR, phy_addr);
9724
9725                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9726                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9727
9728                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9729                         break;
9730
9731                 /* Issue another write enable to start the write. */
9732                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9733
9734                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9735                         break;
9736
9737                 for (j = 0; j < pagesize; j += 4) {
9738                         u32 data;
9739
9740                         data = *((u32 *) (tmp + j));
9741                         tw32(NVRAM_WRDATA, cpu_to_be32(data));
9742
9743                         tw32(NVRAM_ADDR, phy_addr + j);
9744
9745                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9746                                 NVRAM_CMD_WR;
9747
9748                         if (j == 0)
9749                                 nvram_cmd |= NVRAM_CMD_FIRST;
9750                         else if (j == (pagesize - 4))
9751                                 nvram_cmd |= NVRAM_CMD_LAST;
9752
9753                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9754                                 break;
9755                 }
9756                 if (ret)
9757                         break;
9758         }
9759
9760         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9761         tg3_nvram_exec_cmd(tp, nvram_cmd);
9762
9763         kfree(tmp);
9764
9765         return ret;
9766 }
9767
9768 /* offset and length are dword aligned */
9769 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9770                 u8 *buf)
9771 {
9772         int i, ret = 0;
9773
9774         for (i = 0; i < len; i += 4, offset += 4) {
9775                 u32 data, page_off, phy_addr, nvram_cmd;
9776
9777                 memcpy(&data, buf + i, 4);
9778                 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9779
9780                 page_off = offset % tp->nvram_pagesize;
9781
9782                 phy_addr = tg3_nvram_phys_addr(tp, offset);
9783
9784                 tw32(NVRAM_ADDR, phy_addr);
9785
9786                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9787
9788                 if ((page_off == 0) || (i == 0))
9789                         nvram_cmd |= NVRAM_CMD_FIRST;
9790                 if (page_off == (tp->nvram_pagesize - 4))
9791                         nvram_cmd |= NVRAM_CMD_LAST;
9792
9793                 if (i == (len - 4))
9794                         nvram_cmd |= NVRAM_CMD_LAST;
9795
9796                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
9797                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
9798                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
9799                     (tp->nvram_jedecnum == JEDEC_ST) &&
9800                     (nvram_cmd & NVRAM_CMD_FIRST)) {
9801
9802                         if ((ret = tg3_nvram_exec_cmd(tp,
9803                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9804                                 NVRAM_CMD_DONE)))
9805
9806                                 break;
9807                 }
9808                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9809                         /* We always do complete word writes to eeprom. */
9810                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9811                 }
9812
9813                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9814                         break;
9815         }
9816         return ret;
9817 }
9818
9819 /* offset and length are dword aligned */
9820 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9821 {
9822         int ret;
9823
9824         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9825                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9826                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
9827                 udelay(40);
9828         }
9829
9830         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9831                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9832         }
9833         else {
9834                 u32 grc_mode;
9835
9836                 ret = tg3_nvram_lock(tp);
9837                 if (ret)
9838                         return ret;
9839
9840                 tg3_enable_nvram_access(tp);
9841                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9842                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
9843                         tw32(NVRAM_WRITE1, 0x406);
9844
9845                 grc_mode = tr32(GRC_MODE);
9846                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9847
9848                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9849                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9850
9851                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
9852                                 buf);
9853                 }
9854                 else {
9855                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9856                                 buf);
9857                 }
9858
9859                 grc_mode = tr32(GRC_MODE);
9860                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9861
9862                 tg3_disable_nvram_access(tp);
9863                 tg3_nvram_unlock(tp);
9864         }
9865
9866         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9867                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
9868                 udelay(40);
9869         }
9870
9871         return ret;
9872 }
9873
9874 struct subsys_tbl_ent {
9875         u16 subsys_vendor, subsys_devid;
9876         u32 phy_id;
9877 };
9878
9879 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9880         /* Broadcom boards. */
9881         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9882         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9883         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9884         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
9885         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9886         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9887         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
9888         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9889         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9890         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9891         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9892
9893         /* 3com boards. */
9894         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9895         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9896         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
9897         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9898         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9899
9900         /* DELL boards. */
9901         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9902         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9903         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9904         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9905
9906         /* Compaq boards. */
9907         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9908         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9909         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
9910         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9911         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9912
9913         /* IBM boards. */
9914         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9915 };
9916
9917 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9918 {
9919         int i;
9920
9921         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9922                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9923                      tp->pdev->subsystem_vendor) &&
9924                     (subsys_id_to_phy_id[i].subsys_devid ==
9925                      tp->pdev->subsystem_device))
9926                         return &subsys_id_to_phy_id[i];
9927         }
9928         return NULL;
9929 }
9930
9931 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
9932 {
9933         u32 val;
9934         u16 pmcsr;
9935
9936         /* On some early chips the SRAM cannot be accessed in D3hot state,
9937          * so need make sure we're in D0.
9938          */
9939         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9940         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9941         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9942         msleep(1);
9943
9944         /* Make sure register accesses (indirect or otherwise)
9945          * will function correctly.
9946          */
9947         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9948                                tp->misc_host_ctrl);
9949
9950         /* The memory arbiter has to be enabled in order for SRAM accesses
9951          * to succeed.  Normally on powerup the tg3 chip firmware will make
9952          * sure it is enabled, but other entities such as system netboot
9953          * code might disable it.
9954          */
9955         val = tr32(MEMARB_MODE);
9956         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9957
9958         tp->phy_id = PHY_ID_INVALID;
9959         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9960
9961         /* Assume an onboard device by default.  */
9962         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9963
9964         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9965                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM))
9966                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9967                 return;
9968         }
9969
9970         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9971         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9972                 u32 nic_cfg, led_cfg;
9973                 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9974                 int eeprom_phy_serdes = 0;
9975
9976                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9977                 tp->nic_sram_data_cfg = nic_cfg;
9978
9979                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9980                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9981                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9982                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9983                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9984                     (ver > 0) && (ver < 0x100))
9985                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
9986
9987                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
9988                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
9989                         eeprom_phy_serdes = 1;
9990
9991                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
9992                 if (nic_phy_id != 0) {
9993                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
9994                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
9995
9996                         eeprom_phy_id  = (id1 >> 16) << 10;
9997                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
9998                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
9999                 } else
10000                         eeprom_phy_id = 0;
10001
10002                 tp->phy_id = eeprom_phy_id;
10003                 if (eeprom_phy_serdes) {
10004                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10005                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10006                         else
10007                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10008                 }
10009
10010                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10011                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10012                                     SHASTA_EXT_LED_MODE_MASK);
10013                 else
10014                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10015
10016                 switch (led_cfg) {
10017                 default:
10018                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10019                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10020                         break;
10021
10022                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10023                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10024                         break;
10025
10026                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10027                         tp->led_ctrl = LED_CTRL_MODE_MAC;
10028
10029                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10030                          * read on some older 5700/5701 bootcode.
10031                          */
10032                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10033                             ASIC_REV_5700 ||
10034                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
10035                             ASIC_REV_5701)
10036                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10037
10038                         break;
10039
10040                 case SHASTA_EXT_LED_SHARED:
10041                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
10042                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10043                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10044                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10045                                                  LED_CTRL_MODE_PHY_2);
10046                         break;
10047
10048                 case SHASTA_EXT_LED_MAC:
10049                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10050                         break;
10051
10052                 case SHASTA_EXT_LED_COMBO:
10053                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
10054                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10055                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10056                                                  LED_CTRL_MODE_PHY_2);
10057                         break;
10058
10059                 };
10060
10061                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10062                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10063                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10064                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10065
10066                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)
10067                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10068                 else
10069                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10070
10071                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10072                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10073                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10074                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10075                 }
10076                 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10077                         tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10078
10079                 if (cfg2 & (1 << 17))
10080                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10081
10082                 /* serdes signal pre-emphasis in register 0x590 set by */
10083                 /* bootcode if bit 18 is set */
10084                 if (cfg2 & (1 << 18))
10085                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10086         }
10087 }
10088
10089 static int __devinit tg3_phy_probe(struct tg3 *tp)
10090 {
10091         u32 hw_phy_id_1, hw_phy_id_2;
10092         u32 hw_phy_id, hw_phy_id_masked;
10093         int err;
10094
10095         /* Reading the PHY ID register can conflict with ASF
10096          * firwmare access to the PHY hardware.
10097          */
10098         err = 0;
10099         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10100                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10101         } else {
10102                 /* Now read the physical PHY_ID from the chip and verify
10103                  * that it is sane.  If it doesn't look good, we fall back
10104                  * to either the hard-coded table based PHY_ID and failing
10105                  * that the value found in the eeprom area.
10106                  */
10107                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10108                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10109
10110                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
10111                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10112                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
10113
10114                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10115         }
10116
10117         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10118                 tp->phy_id = hw_phy_id;
10119                 if (hw_phy_id_masked == PHY_ID_BCM8002)
10120                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10121                 else
10122                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10123         } else {
10124                 if (tp->phy_id != PHY_ID_INVALID) {
10125                         /* Do nothing, phy ID already set up in
10126                          * tg3_get_eeprom_hw_cfg().
10127                          */
10128                 } else {
10129                         struct subsys_tbl_ent *p;
10130
10131                         /* No eeprom signature?  Try the hardcoded
10132                          * subsys device table.
10133                          */
10134                         p = lookup_by_subsys(tp);
10135                         if (!p)
10136                                 return -ENODEV;
10137
10138                         tp->phy_id = p->phy_id;
10139                         if (!tp->phy_id ||
10140                             tp->phy_id == PHY_ID_BCM8002)
10141                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10142                 }
10143         }
10144
10145         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10146             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10147                 u32 bmsr, adv_reg, tg3_ctrl;
10148
10149                 tg3_readphy(tp, MII_BMSR, &bmsr);
10150                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10151                     (bmsr & BMSR_LSTATUS))
10152                         goto skip_phy_reset;
10153
10154                 err = tg3_phy_reset(tp);
10155                 if (err)
10156                         return err;
10157
10158                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10159                            ADVERTISE_100HALF | ADVERTISE_100FULL |
10160                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10161                 tg3_ctrl = 0;
10162                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10163                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10164                                     MII_TG3_CTRL_ADV_1000_FULL);
10165                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10166                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10167                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10168                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
10169                 }
10170
10171                 if (!tg3_copper_is_advertising_all(tp)) {
10172                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10173
10174                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10175                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10176
10177                         tg3_writephy(tp, MII_BMCR,
10178                                      BMCR_ANENABLE | BMCR_ANRESTART);
10179                 }
10180                 tg3_phy_set_wirespeed(tp);
10181
10182                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10183                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10184                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10185         }
10186
10187 skip_phy_reset:
10188         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10189                 err = tg3_init_5401phy_dsp(tp);
10190                 if (err)
10191                         return err;
10192         }
10193
10194         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10195                 err = tg3_init_5401phy_dsp(tp);
10196         }
10197
10198         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10199                 tp->link_config.advertising =
10200                         (ADVERTISED_1000baseT_Half |
10201                          ADVERTISED_1000baseT_Full |
10202                          ADVERTISED_Autoneg |
10203                          ADVERTISED_FIBRE);
10204         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10205                 tp->link_config.advertising &=
10206                         ~(ADVERTISED_1000baseT_Half |
10207                           ADVERTISED_1000baseT_Full);
10208
10209         return err;
10210 }
10211
10212 static void __devinit tg3_read_partno(struct tg3 *tp)
10213 {
10214         unsigned char vpd_data[256];
10215         unsigned int i;
10216         u32 magic;
10217
10218         if (tg3_nvram_read_swab(tp, 0x0, &magic))
10219                 goto out_not_found;
10220
10221         if (magic == TG3_EEPROM_MAGIC) {
10222                 for (i = 0; i < 256; i += 4) {
10223                         u32 tmp;
10224
10225                         if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10226                                 goto out_not_found;
10227
10228                         vpd_data[i + 0] = ((tmp >>  0) & 0xff);
10229                         vpd_data[i + 1] = ((tmp >>  8) & 0xff);
10230                         vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10231                         vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10232                 }
10233         } else {
10234                 int vpd_cap;
10235
10236                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10237                 for (i = 0; i < 256; i += 4) {
10238                         u32 tmp, j = 0;
10239                         u16 tmp16;
10240
10241                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10242                                               i);
10243                         while (j++ < 100) {
10244                                 pci_read_config_word(tp->pdev, vpd_cap +
10245                                                      PCI_VPD_ADDR, &tmp16);
10246                                 if (tmp16 & 0x8000)
10247                                         break;
10248                                 msleep(1);
10249                         }
10250                         if (!(tmp16 & 0x8000))
10251                                 goto out_not_found;
10252
10253                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10254                                               &tmp);
10255                         tmp = cpu_to_le32(tmp);
10256                         memcpy(&vpd_data[i], &tmp, 4);
10257                 }
10258         }
10259
10260         /* Now parse and find the part number. */
10261         for (i = 0; i < 254; ) {
10262                 unsigned char val = vpd_data[i];
10263                 unsigned int block_end;
10264
10265                 if (val == 0x82 || val == 0x91) {
10266                         i = (i + 3 +
10267                              (vpd_data[i + 1] +
10268                               (vpd_data[i + 2] << 8)));
10269                         continue;
10270                 }
10271
10272                 if (val != 0x90)
10273                         goto out_not_found;
10274
10275                 block_end = (i + 3 +
10276                              (vpd_data[i + 1] +
10277                               (vpd_data[i + 2] << 8)));
10278                 i += 3;
10279
10280                 if (block_end > 256)
10281                         goto out_not_found;
10282
10283                 while (i < (block_end - 2)) {
10284                         if (vpd_data[i + 0] == 'P' &&
10285                             vpd_data[i + 1] == 'N') {
10286                                 int partno_len = vpd_data[i + 2];
10287
10288                                 i += 3;
10289                                 if (partno_len > 24 || (partno_len + i) > 256)
10290                                         goto out_not_found;
10291
10292                                 memcpy(tp->board_part_number,
10293                                        &vpd_data[i], partno_len);
10294
10295                                 /* Success. */
10296                                 return;
10297                         }
10298                         i += 3 + vpd_data[i + 2];
10299                 }
10300
10301                 /* Part number not found. */
10302                 goto out_not_found;
10303         }
10304
10305 out_not_found:
10306         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10307                 strcpy(tp->board_part_number, "BCM95906");
10308         else
10309                 strcpy(tp->board_part_number, "none");
10310 }
10311
10312 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10313 {
10314         u32 val, offset, start;
10315
10316         if (tg3_nvram_read_swab(tp, 0, &val))
10317                 return;
10318
10319         if (val != TG3_EEPROM_MAGIC)
10320                 return;
10321
10322         if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10323             tg3_nvram_read_swab(tp, 0x4, &start))
10324                 return;
10325
10326         offset = tg3_nvram_logical_addr(tp, offset);
10327         if (tg3_nvram_read_swab(tp, offset, &val))
10328                 return;
10329
10330         if ((val & 0xfc000000) == 0x0c000000) {
10331                 u32 ver_offset, addr;
10332                 int i;
10333
10334                 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10335                     tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10336                         return;
10337
10338                 if (val != 0)
10339                         return;
10340
10341                 addr = offset + ver_offset - start;
10342                 for (i = 0; i < 16; i += 4) {
10343                         if (tg3_nvram_read(tp, addr + i, &val))
10344                                 return;
10345
10346                         val = cpu_to_le32(val);
10347                         memcpy(tp->fw_ver + i, &val, 4);
10348                 }
10349         }
10350 }
10351
10352 static int __devinit tg3_get_invariants(struct tg3 *tp)
10353 {
10354         static struct pci_device_id write_reorder_chipsets[] = {
10355                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10356                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10357                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10358                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10359                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10360                              PCI_DEVICE_ID_VIA_8385_0) },
10361                 { },
10362         };
10363         u32 misc_ctrl_reg;
10364         u32 cacheline_sz_reg;
10365         u32 pci_state_reg, grc_misc_cfg;
10366         u32 val;
10367         u16 pci_cmd;
10368         int err, pcie_cap;
10369
10370         /* Force memory write invalidate off.  If we leave it on,
10371          * then on 5700_BX chips we have to enable a workaround.
10372          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10373          * to match the cacheline size.  The Broadcom driver have this
10374          * workaround but turns MWI off all the times so never uses
10375          * it.  This seems to suggest that the workaround is insufficient.
10376          */
10377         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10378         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10379         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10380
10381         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10382          * has the register indirect write enable bit set before
10383          * we try to access any of the MMIO registers.  It is also
10384          * critical that the PCI-X hw workaround situation is decided
10385          * before that as well.
10386          */
10387         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10388                               &misc_ctrl_reg);
10389
10390         tp->pci_chip_rev_id = (misc_ctrl_reg >>
10391                                MISC_HOST_CTRL_CHIPREV_SHIFT);
10392
10393         /* Wrong chip ID in 5752 A0. This code can be removed later
10394          * as A0 is not in production.
10395          */
10396         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10397                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10398
10399         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10400          * we need to disable memory and use config. cycles
10401          * only to access all registers. The 5702/03 chips
10402          * can mistakenly decode the special cycles from the
10403          * ICH chipsets as memory write cycles, causing corruption
10404          * of register and memory space. Only certain ICH bridges
10405          * will drive special cycles with non-zero data during the
10406          * address phase which can fall within the 5703's address
10407          * range. This is not an ICH bug as the PCI spec allows
10408          * non-zero address during special cycles. However, only
10409          * these ICH bridges are known to drive non-zero addresses
10410          * during special cycles.
10411          *
10412          * Since special cycles do not cross PCI bridges, we only
10413          * enable this workaround if the 5703 is on the secondary
10414          * bus of these ICH bridges.
10415          */
10416         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10417             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10418                 static struct tg3_dev_id {
10419                         u32     vendor;
10420                         u32     device;
10421                         u32     rev;
10422                 } ich_chipsets[] = {
10423                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10424                           PCI_ANY_ID },
10425                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10426                           PCI_ANY_ID },
10427                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10428                           0xa },
10429                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10430                           PCI_ANY_ID },
10431                         { },
10432                 };
10433                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10434                 struct pci_dev *bridge = NULL;
10435
10436                 while (pci_id->vendor != 0) {
10437                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
10438                                                 bridge);
10439                         if (!bridge) {
10440                                 pci_id++;
10441                                 continue;
10442                         }
10443                         if (pci_id->rev != PCI_ANY_ID) {
10444                                 u8 rev;
10445
10446                                 pci_read_config_byte(bridge, PCI_REVISION_ID,
10447                                                      &rev);
10448                                 if (rev > pci_id->rev)
10449                                         continue;
10450                         }
10451                         if (bridge->subordinate &&
10452                             (bridge->subordinate->number ==
10453                              tp->pdev->bus->number)) {
10454
10455                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10456                                 pci_dev_put(bridge);
10457                                 break;
10458                         }
10459                 }
10460         }
10461
10462         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10463          * DMA addresses > 40-bit. This bridge may have other additional
10464          * 57xx devices behind it in some 4-port NIC designs for example.
10465          * Any tg3 device found behind the bridge will also need the 40-bit
10466          * DMA workaround.
10467          */
10468         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10469             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10470                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10471                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10472                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10473         }
10474         else {
10475                 struct pci_dev *bridge = NULL;
10476
10477                 do {
10478                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10479                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
10480                                                 bridge);
10481                         if (bridge && bridge->subordinate &&
10482                             (bridge->subordinate->number <=
10483                              tp->pdev->bus->number) &&
10484                             (bridge->subordinate->subordinate >=
10485                              tp->pdev->bus->number)) {
10486                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10487                                 pci_dev_put(bridge);
10488                                 break;
10489                         }
10490                 } while (bridge);
10491         }
10492
10493         /* Initialize misc host control in PCI block. */
10494         tp->misc_host_ctrl |= (misc_ctrl_reg &
10495                                MISC_HOST_CTRL_CHIPREV);
10496         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10497                                tp->misc_host_ctrl);
10498
10499         pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10500                               &cacheline_sz_reg);
10501
10502         tp->pci_cacheline_sz = (cacheline_sz_reg >>  0) & 0xff;
10503         tp->pci_lat_timer    = (cacheline_sz_reg >>  8) & 0xff;
10504         tp->pci_hdr_type     = (cacheline_sz_reg >> 16) & 0xff;
10505         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
10506
10507         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10508             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10509             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10510             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10511             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
10512             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10513                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10514
10515         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10516             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10517                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10518
10519         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
10520                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10521                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10522                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10523                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
10524                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
10525                 } else {
10526                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
10527                                           TG3_FLG2_HW_TSO_1_BUG;
10528                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10529                                 ASIC_REV_5750 &&
10530                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10531                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
10532                 }
10533         }
10534
10535         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10536             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
10537             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10538             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
10539             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10540             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10541                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10542
10543         pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10544         if (pcie_cap != 0) {
10545                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
10546                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10547                         u16 lnkctl;
10548
10549                         pci_read_config_word(tp->pdev,
10550                                              pcie_cap + PCI_EXP_LNKCTL,
10551                                              &lnkctl);
10552                         if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10553                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10554                 }
10555         }
10556
10557         /* If we have an AMD 762 or VIA K8T800 chipset, write
10558          * reordering to the mailbox registers done by the host
10559          * controller can cause major troubles.  We read back from
10560          * every mailbox register write to force the writes to be
10561          * posted to the chip in order.
10562          */
10563         if (pci_dev_present(write_reorder_chipsets) &&
10564             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10565                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10566
10567         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10568             tp->pci_lat_timer < 64) {
10569                 tp->pci_lat_timer = 64;
10570
10571                 cacheline_sz_reg  = ((tp->pci_cacheline_sz & 0xff) <<  0);
10572                 cacheline_sz_reg |= ((tp->pci_lat_timer    & 0xff) <<  8);
10573                 cacheline_sz_reg |= ((tp->pci_hdr_type     & 0xff) << 16);
10574                 cacheline_sz_reg |= ((tp->pci_bist         & 0xff) << 24);
10575
10576                 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10577                                        cacheline_sz_reg);
10578         }
10579
10580         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10581                               &pci_state_reg);
10582
10583         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10584                 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10585
10586                 /* If this is a 5700 BX chipset, and we are in PCI-X
10587                  * mode, enable register write workaround.
10588                  *
10589                  * The workaround is to use indirect register accesses
10590                  * for all chip writes not to mailbox registers.
10591                  */
10592                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10593                         u32 pm_reg;
10594                         u16 pci_cmd;
10595
10596                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10597
10598                         /* The chip can have it's power management PCI config
10599                          * space registers clobbered due to this bug.
10600                          * So explicitly force the chip into D0 here.
10601                          */
10602                         pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10603                                               &pm_reg);
10604                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10605                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10606                         pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10607                                                pm_reg);
10608
10609                         /* Also, force SERR#/PERR# in PCI command. */
10610                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10611                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10612                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10613                 }
10614         }
10615
10616         /* 5700 BX chips need to have their TX producer index mailboxes
10617          * written twice to workaround a bug.
10618          */
10619         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10620                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10621
10622         /* Back to back register writes can cause problems on this chip,
10623          * the workaround is to read back all reg writes except those to
10624          * mailbox regs.  See tg3_write_indirect_reg32().
10625          *
10626          * PCI Express 5750_A0 rev chips need this workaround too.
10627          */
10628         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10629             ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10630              tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10631                 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10632
10633         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10634                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10635         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10636                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10637
10638         /* Chip-specific fixup from Broadcom driver */
10639         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10640             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10641                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10642                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10643         }
10644
10645         /* Default fast path register access methods */
10646         tp->read32 = tg3_read32;
10647         tp->write32 = tg3_write32;
10648         tp->read32_mbox = tg3_read32;
10649         tp->write32_mbox = tg3_write32;
10650         tp->write32_tx_mbox = tg3_write32;
10651         tp->write32_rx_mbox = tg3_write32;
10652
10653         /* Various workaround register access methods */
10654         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10655                 tp->write32 = tg3_write_indirect_reg32;
10656         else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10657                 tp->write32 = tg3_write_flush_reg32;
10658
10659         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10660             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10661                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10662                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10663                         tp->write32_rx_mbox = tg3_write_flush_reg32;
10664         }
10665
10666         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10667                 tp->read32 = tg3_read_indirect_reg32;
10668                 tp->write32 = tg3_write_indirect_reg32;
10669                 tp->read32_mbox = tg3_read_indirect_mbox;
10670                 tp->write32_mbox = tg3_write_indirect_mbox;
10671                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10672                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10673
10674                 iounmap(tp->regs);
10675                 tp->regs = NULL;
10676
10677                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10678                 pci_cmd &= ~PCI_COMMAND_MEMORY;
10679                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10680         }
10681         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10682                 tp->read32_mbox = tg3_read32_mbox_5906;
10683                 tp->write32_mbox = tg3_write32_mbox_5906;
10684                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10685                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10686         }
10687
10688         if (tp->write32 == tg3_write_indirect_reg32 ||
10689             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10690              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10691               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
10692                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10693
10694         /* Get eeprom hw config before calling tg3_set_power_state().
10695          * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
10696          * determined before calling tg3_set_power_state() so that
10697          * we know whether or not to switch out of Vaux power.
10698          * When the flag is set, it means that GPIO1 is used for eeprom
10699          * write protect and also implies that it is a LOM where GPIOs
10700          * are not used to switch power.
10701          */
10702         tg3_get_eeprom_hw_cfg(tp);
10703
10704         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10705          * GPIO1 driven high will bring 5700's external PHY out of reset.
10706          * It is also used as eeprom write protect on LOMs.
10707          */
10708         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10709         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10710             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10711                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10712                                        GRC_LCLCTRL_GPIO_OUTPUT1);
10713         /* Unused GPIO3 must be driven as output on 5752 because there
10714          * are no pull-up resistors on unused GPIO pins.
10715          */
10716         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10717                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
10718
10719         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10720                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10721
10722         /* Force the chip into D0. */
10723         err = tg3_set_power_state(tp, PCI_D0);
10724         if (err) {
10725                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10726                        pci_name(tp->pdev));
10727                 return err;
10728         }
10729
10730         /* 5700 B0 chips do not support checksumming correctly due
10731          * to hardware bugs.
10732          */
10733         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10734                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10735
10736         /* Derive initial jumbo mode from MTU assigned in
10737          * ether_setup() via the alloc_etherdev() call
10738          */
10739         if (tp->dev->mtu > ETH_DATA_LEN &&
10740             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10741                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
10742
10743         /* Determine WakeOnLan speed to use. */
10744         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10745             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10746             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10747             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10748                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10749         } else {
10750                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10751         }
10752
10753         /* A few boards don't want Ethernet@WireSpeed phy feature */
10754         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10755             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10756              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
10757              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
10758             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
10759             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
10760                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10761
10762         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10763             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10764                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10765         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10766                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10767
10768         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10769                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10770                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
10771                         tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
10772                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10773                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10774         }
10775
10776         tp->coalesce_mode = 0;
10777         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10778             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10779                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10780
10781         /* Initialize MAC MI mode, polling disabled. */
10782         tw32_f(MAC_MI_MODE, tp->mi_mode);
10783         udelay(80);
10784
10785         /* Initialize data/descriptor byte/word swapping. */
10786         val = tr32(GRC_MODE);
10787         val &= GRC_MODE_HOST_STACKUP;
10788         tw32(GRC_MODE, val | tp->grc_mode);
10789
10790         tg3_switch_clocks(tp);
10791
10792         /* Clear this out for sanity. */
10793         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10794
10795         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10796                               &pci_state_reg);
10797         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10798             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10799                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10800
10801                 if (chiprevid == CHIPREV_ID_5701_A0 ||
10802                     chiprevid == CHIPREV_ID_5701_B0 ||
10803                     chiprevid == CHIPREV_ID_5701_B2 ||
10804                     chiprevid == CHIPREV_ID_5701_B5) {
10805                         void __iomem *sram_base;
10806
10807                         /* Write some dummy words into the SRAM status block
10808                          * area, see if it reads back correctly.  If the return
10809                          * value is bad, force enable the PCIX workaround.
10810                          */
10811                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10812
10813                         writel(0x00000000, sram_base);
10814                         writel(0x00000000, sram_base + 4);
10815                         writel(0xffffffff, sram_base + 4);
10816                         if (readl(sram_base) != 0x00000000)
10817                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10818                 }
10819         }
10820
10821         udelay(50);
10822         tg3_nvram_init(tp);
10823
10824         grc_misc_cfg = tr32(GRC_MISC_CFG);
10825         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10826
10827         /* Broadcom's driver says that CIOBE multisplit has a bug */
10828 #if 0
10829         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10830             grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10831                 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10832                 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10833         }
10834 #endif
10835         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10836             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10837              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10838                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10839
10840         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10841             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10842                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10843         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10844                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10845                                       HOSTCC_MODE_CLRTICK_TXBD);
10846
10847                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10848                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10849                                        tp->misc_host_ctrl);
10850         }
10851
10852         /* these are limited to 10/100 only */
10853         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10854              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10855             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10856              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10857              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10858               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10859               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10860             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10861              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
10862               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)) ||
10863             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10864                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10865
10866         err = tg3_phy_probe(tp);
10867         if (err) {
10868                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10869                        pci_name(tp->pdev), err);
10870                 /* ... but do not return immediately ... */
10871         }
10872
10873         tg3_read_partno(tp);
10874         tg3_read_fw_ver(tp);
10875
10876         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10877                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10878         } else {
10879                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10880                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10881                 else
10882                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10883         }
10884
10885         /* 5700 {AX,BX} chips have a broken status block link
10886          * change bit implementation, so we must use the
10887          * status register in those cases.
10888          */
10889         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10890                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10891         else
10892                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10893
10894         /* The led_ctrl is set during tg3_phy_probe, here we might
10895          * have to force the link status polling mechanism based
10896          * upon subsystem IDs.
10897          */
10898         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10899             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10900                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10901                                   TG3_FLAG_USE_LINKCHG_REG);
10902         }
10903
10904         /* For all SERDES we poll the MAC status register. */
10905         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10906                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10907         else
10908                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10909
10910         /* All chips before 5787 can get confused if TX buffers
10911          * straddle the 4GB address boundary in some cases.
10912          */
10913         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10914             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10915             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10916                 tp->dev->hard_start_xmit = tg3_start_xmit;
10917         else
10918                 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
10919
10920         tp->rx_offset = 2;
10921         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10922             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10923                 tp->rx_offset = 0;
10924
10925         tp->rx_std_max_post = TG3_RX_RING_SIZE;
10926
10927         /* Increment the rx prod index on the rx std ring by at most
10928          * 8 for these chips to workaround hw errata.
10929          */
10930         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10931             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10933                 tp->rx_std_max_post = 8;
10934
10935         /* By default, disable wake-on-lan.  User can change this
10936          * using ETHTOOL_SWOL.
10937          */
10938         tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10939
10940         return err;
10941 }
10942
10943 #ifdef CONFIG_SPARC64
10944 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10945 {
10946         struct net_device *dev = tp->dev;
10947         struct pci_dev *pdev = tp->pdev;
10948         struct pcidev_cookie *pcp = pdev->sysdata;
10949
10950         if (pcp != NULL) {
10951                 unsigned char *addr;
10952                 int len;
10953
10954                 addr = of_get_property(pcp->prom_node, "local-mac-address",
10955                                         &len);
10956                 if (addr && len == 6) {
10957                         memcpy(dev->dev_addr, addr, 6);
10958                         memcpy(dev->perm_addr, dev->dev_addr, 6);
10959                         return 0;
10960                 }
10961         }
10962         return -ENODEV;
10963 }
10964
10965 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
10966 {
10967         struct net_device *dev = tp->dev;
10968
10969         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
10970         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
10971         return 0;
10972 }
10973 #endif
10974
10975 static int __devinit tg3_get_device_address(struct tg3 *tp)
10976 {
10977         struct net_device *dev = tp->dev;
10978         u32 hi, lo, mac_offset;
10979         int addr_ok = 0;
10980
10981 #ifdef CONFIG_SPARC64
10982         if (!tg3_get_macaddr_sparc(tp))
10983                 return 0;
10984 #endif
10985
10986         mac_offset = 0x7c;
10987         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10988             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10989                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
10990                         mac_offset = 0xcc;
10991                 if (tg3_nvram_lock(tp))
10992                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
10993                 else
10994                         tg3_nvram_unlock(tp);
10995         }
10996         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10997                 mac_offset = 0x10;
10998
10999         /* First try to get it from MAC address mailbox. */
11000         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11001         if ((hi >> 16) == 0x484b) {
11002                 dev->dev_addr[0] = (hi >>  8) & 0xff;
11003                 dev->dev_addr[1] = (hi >>  0) & 0xff;
11004
11005                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11006                 dev->dev_addr[2] = (lo >> 24) & 0xff;
11007                 dev->dev_addr[3] = (lo >> 16) & 0xff;
11008                 dev->dev_addr[4] = (lo >>  8) & 0xff;
11009                 dev->dev_addr[5] = (lo >>  0) & 0xff;
11010
11011                 /* Some old bootcode may report a 0 MAC address in SRAM */
11012                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11013         }
11014         if (!addr_ok) {
11015                 /* Next, try NVRAM. */
11016                 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
11017                     !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11018                         dev->dev_addr[0] = ((hi >> 16) & 0xff);
11019                         dev->dev_addr[1] = ((hi >> 24) & 0xff);
11020                         dev->dev_addr[2] = ((lo >>  0) & 0xff);
11021                         dev->dev_addr[3] = ((lo >>  8) & 0xff);
11022                         dev->dev_addr[4] = ((lo >> 16) & 0xff);
11023                         dev->dev_addr[5] = ((lo >> 24) & 0xff);
11024                 }
11025                 /* Finally just fetch it out of the MAC control regs. */
11026                 else {
11027                         hi = tr32(MAC_ADDR_0_HIGH);
11028                         lo = tr32(MAC_ADDR_0_LOW);
11029
11030                         dev->dev_addr[5] = lo & 0xff;
11031                         dev->dev_addr[4] = (lo >> 8) & 0xff;
11032                         dev->dev_addr[3] = (lo >> 16) & 0xff;
11033                         dev->dev_addr[2] = (lo >> 24) & 0xff;
11034                         dev->dev_addr[1] = hi & 0xff;
11035                         dev->dev_addr[0] = (hi >> 8) & 0xff;
11036                 }
11037         }
11038
11039         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11040 #ifdef CONFIG_SPARC64
11041                 if (!tg3_get_default_macaddr_sparc(tp))
11042                         return 0;
11043 #endif
11044                 return -EINVAL;
11045         }
11046         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11047         return 0;
11048 }
11049
11050 #define BOUNDARY_SINGLE_CACHELINE       1
11051 #define BOUNDARY_MULTI_CACHELINE        2
11052
11053 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11054 {
11055         int cacheline_size;
11056         u8 byte;
11057         int goal;
11058
11059         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11060         if (byte == 0)
11061                 cacheline_size = 1024;
11062         else
11063                 cacheline_size = (int) byte * 4;
11064
11065         /* On 5703 and later chips, the boundary bits have no
11066          * effect.
11067          */
11068         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11069             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11070             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11071                 goto out;
11072
11073 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11074         goal = BOUNDARY_MULTI_CACHELINE;
11075 #else
11076 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11077         goal = BOUNDARY_SINGLE_CACHELINE;
11078 #else
11079         goal = 0;
11080 #endif
11081 #endif
11082
11083         if (!goal)
11084                 goto out;
11085
11086         /* PCI controllers on most RISC systems tend to disconnect
11087          * when a device tries to burst across a cache-line boundary.
11088          * Therefore, letting tg3 do so just wastes PCI bandwidth.
11089          *
11090          * Unfortunately, for PCI-E there are only limited
11091          * write-side controls for this, and thus for reads
11092          * we will still get the disconnects.  We'll also waste
11093          * these PCI cycles for both read and write for chips
11094          * other than 5700 and 5701 which do not implement the
11095          * boundary bits.
11096          */
11097         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11098             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11099                 switch (cacheline_size) {
11100                 case 16:
11101                 case 32:
11102                 case 64:
11103                 case 128:
11104                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11105                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11106                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11107                         } else {
11108                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11109                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11110                         }
11111                         break;
11112
11113                 case 256:
11114                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11115                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11116                         break;
11117
11118                 default:
11119                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11120                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11121                         break;
11122                 };
11123         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11124                 switch (cacheline_size) {
11125                 case 16:
11126                 case 32:
11127                 case 64:
11128                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11129                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11130                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11131                                 break;
11132                         }
11133                         /* fallthrough */
11134                 case 128:
11135                 default:
11136                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11137                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11138                         break;
11139                 };
11140         } else {
11141                 switch (cacheline_size) {
11142                 case 16:
11143                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11144                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11145                                         DMA_RWCTRL_WRITE_BNDRY_16);
11146                                 break;
11147                         }
11148                         /* fallthrough */
11149                 case 32:
11150                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11151                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11152                                         DMA_RWCTRL_WRITE_BNDRY_32);
11153                                 break;
11154                         }
11155                         /* fallthrough */
11156                 case 64:
11157                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11158                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11159                                         DMA_RWCTRL_WRITE_BNDRY_64);
11160                                 break;
11161                         }
11162                         /* fallthrough */
11163                 case 128:
11164                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11165                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11166                                         DMA_RWCTRL_WRITE_BNDRY_128);
11167                                 break;
11168                         }
11169                         /* fallthrough */
11170                 case 256:
11171                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
11172                                 DMA_RWCTRL_WRITE_BNDRY_256);
11173                         break;
11174                 case 512:
11175                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
11176                                 DMA_RWCTRL_WRITE_BNDRY_512);
11177                         break;
11178                 case 1024:
11179                 default:
11180                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11181                                 DMA_RWCTRL_WRITE_BNDRY_1024);
11182                         break;
11183                 };
11184         }
11185
11186 out:
11187         return val;
11188 }
11189
11190 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11191 {
11192         struct tg3_internal_buffer_desc test_desc;
11193         u32 sram_dma_descs;
11194         int i, ret;
11195
11196         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11197
11198         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11199         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11200         tw32(RDMAC_STATUS, 0);
11201         tw32(WDMAC_STATUS, 0);
11202
11203         tw32(BUFMGR_MODE, 0);
11204         tw32(FTQ_RESET, 0);
11205
11206         test_desc.addr_hi = ((u64) buf_dma) >> 32;
11207         test_desc.addr_lo = buf_dma & 0xffffffff;
11208         test_desc.nic_mbuf = 0x00002100;
11209         test_desc.len = size;
11210
11211         /*
11212          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11213          * the *second* time the tg3 driver was getting loaded after an
11214          * initial scan.
11215          *
11216          * Broadcom tells me:
11217          *   ...the DMA engine is connected to the GRC block and a DMA
11218          *   reset may affect the GRC block in some unpredictable way...
11219          *   The behavior of resets to individual blocks has not been tested.
11220          *
11221          * Broadcom noted the GRC reset will also reset all sub-components.
11222          */
11223         if (to_device) {
11224                 test_desc.cqid_sqid = (13 << 8) | 2;
11225
11226                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11227                 udelay(40);
11228         } else {
11229                 test_desc.cqid_sqid = (16 << 8) | 7;
11230
11231                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11232                 udelay(40);
11233         }
11234         test_desc.flags = 0x00000005;
11235
11236         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11237                 u32 val;
11238
11239                 val = *(((u32 *)&test_desc) + i);
11240                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11241                                        sram_dma_descs + (i * sizeof(u32)));
11242                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11243         }
11244         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11245
11246         if (to_device) {
11247                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11248         } else {
11249                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11250         }
11251
11252         ret = -ENODEV;
11253         for (i = 0; i < 40; i++) {
11254                 u32 val;
11255
11256                 if (to_device)
11257                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11258                 else
11259                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11260                 if ((val & 0xffff) == sram_dma_descs) {
11261                         ret = 0;
11262                         break;
11263                 }
11264
11265                 udelay(100);
11266         }
11267
11268         return ret;
11269 }
11270
11271 #define TEST_BUFFER_SIZE        0x2000
11272
11273 static int __devinit tg3_test_dma(struct tg3 *tp)
11274 {
11275         dma_addr_t buf_dma;
11276         u32 *buf, saved_dma_rwctrl;
11277         int ret;
11278
11279         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11280         if (!buf) {
11281                 ret = -ENOMEM;
11282                 goto out_nofree;
11283         }
11284
11285         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11286                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11287
11288         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11289
11290         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11291                 /* DMA read watermark not used on PCIE */
11292                 tp->dma_rwctrl |= 0x00180000;
11293         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11294                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11295                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11296                         tp->dma_rwctrl |= 0x003f0000;
11297                 else
11298                         tp->dma_rwctrl |= 0x003f000f;
11299         } else {
11300                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11301                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11302                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11303
11304                         /* If the 5704 is behind the EPB bridge, we can
11305                          * do the less restrictive ONE_DMA workaround for
11306                          * better performance.
11307                          */
11308                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11309                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11310                                 tp->dma_rwctrl |= 0x8000;
11311                         else if (ccval == 0x6 || ccval == 0x7)
11312                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11313
11314                         /* Set bit 23 to enable PCIX hw bug fix */
11315                         tp->dma_rwctrl |= 0x009f0000;
11316                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11317                         /* 5780 always in PCIX mode */
11318                         tp->dma_rwctrl |= 0x00144000;
11319                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11320                         /* 5714 always in PCIX mode */
11321                         tp->dma_rwctrl |= 0x00148000;
11322                 } else {
11323                         tp->dma_rwctrl |= 0x001b000f;
11324                 }
11325         }
11326
11327         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11328             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11329                 tp->dma_rwctrl &= 0xfffffff0;
11330
11331         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11332             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11333                 /* Remove this if it causes problems for some boards. */
11334                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11335
11336                 /* On 5700/5701 chips, we need to set this bit.
11337                  * Otherwise the chip will issue cacheline transactions
11338                  * to streamable DMA memory with not all the byte
11339                  * enables turned on.  This is an error on several
11340                  * RISC PCI controllers, in particular sparc64.
11341                  *
11342                  * On 5703/5704 chips, this bit has been reassigned
11343                  * a different meaning.  In particular, it is used
11344                  * on those chips to enable a PCI-X workaround.
11345                  */
11346                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11347         }
11348
11349         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11350
11351 #if 0
11352         /* Unneeded, already done by tg3_get_invariants.  */
11353         tg3_switch_clocks(tp);
11354 #endif
11355
11356         ret = 0;
11357         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11358             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11359                 goto out;
11360
11361         /* It is best to perform DMA test with maximum write burst size
11362          * to expose the 5700/5701 write DMA bug.
11363          */
11364         saved_dma_rwctrl = tp->dma_rwctrl;
11365         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11366         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11367
11368         while (1) {
11369                 u32 *p = buf, i;
11370
11371                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11372                         p[i] = i;
11373
11374                 /* Send the buffer to the chip. */
11375                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11376                 if (ret) {
11377                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11378                         break;
11379                 }
11380
11381 #if 0
11382                 /* validate data reached card RAM correctly. */
11383                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11384                         u32 val;
11385                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
11386                         if (le32_to_cpu(val) != p[i]) {
11387                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
11388                                 /* ret = -ENODEV here? */
11389                         }
11390                         p[i] = 0;
11391                 }
11392 #endif
11393                 /* Now read it back. */
11394                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11395                 if (ret) {
11396                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11397
11398                         break;
11399                 }
11400
11401                 /* Verify it. */
11402                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11403                         if (p[i] == i)
11404                                 continue;
11405
11406                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11407                             DMA_RWCTRL_WRITE_BNDRY_16) {
11408                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11409                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11410                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11411                                 break;
11412                         } else {
11413                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11414                                 ret = -ENODEV;
11415                                 goto out;
11416                         }
11417                 }
11418
11419                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11420                         /* Success. */
11421                         ret = 0;
11422                         break;
11423                 }
11424         }
11425         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11426             DMA_RWCTRL_WRITE_BNDRY_16) {
11427                 static struct pci_device_id dma_wait_state_chipsets[] = {
11428                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11429                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11430                         { },
11431                 };
11432
11433                 /* DMA test passed without adjusting DMA boundary,
11434                  * now look for chipsets that are known to expose the
11435                  * DMA bug without failing the test.
11436                  */
11437                 if (pci_dev_present(dma_wait_state_chipsets)) {
11438                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11439                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11440                 }
11441                 else
11442                         /* Safe to use the calculated DMA boundary. */
11443                         tp->dma_rwctrl = saved_dma_rwctrl;
11444
11445                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11446         }
11447
11448 out:
11449         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11450 out_nofree:
11451         return ret;
11452 }
11453
11454 static void __devinit tg3_init_link_config(struct tg3 *tp)
11455 {
11456         tp->link_config.advertising =
11457                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11458                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11459                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11460                  ADVERTISED_Autoneg | ADVERTISED_MII);
11461         tp->link_config.speed = SPEED_INVALID;
11462         tp->link_config.duplex = DUPLEX_INVALID;
11463         tp->link_config.autoneg = AUTONEG_ENABLE;
11464         tp->link_config.active_speed = SPEED_INVALID;
11465         tp->link_config.active_duplex = DUPLEX_INVALID;
11466         tp->link_config.phy_is_low_power = 0;
11467         tp->link_config.orig_speed = SPEED_INVALID;
11468         tp->link_config.orig_duplex = DUPLEX_INVALID;
11469         tp->link_config.orig_autoneg = AUTONEG_INVALID;
11470 }
11471
11472 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11473 {
11474         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11475                 tp->bufmgr_config.mbuf_read_dma_low_water =
11476                         DEFAULT_MB_RDMA_LOW_WATER_5705;
11477                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11478                         DEFAULT_MB_MACRX_LOW_WATER_5705;
11479                 tp->bufmgr_config.mbuf_high_water =
11480                         DEFAULT_MB_HIGH_WATER_5705;
11481                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11482                         tp->bufmgr_config.mbuf_mac_rx_low_water =
11483                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
11484                         tp->bufmgr_config.mbuf_high_water =
11485                                 DEFAULT_MB_HIGH_WATER_5906;
11486                 }
11487
11488                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11489                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11490                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11491                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11492                 tp->bufmgr_config.mbuf_high_water_jumbo =
11493                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11494         } else {
11495                 tp->bufmgr_config.mbuf_read_dma_low_water =
11496                         DEFAULT_MB_RDMA_LOW_WATER;
11497                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11498                         DEFAULT_MB_MACRX_LOW_WATER;
11499                 tp->bufmgr_config.mbuf_high_water =
11500                         DEFAULT_MB_HIGH_WATER;
11501
11502                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11503                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11504                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11505                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11506                 tp->bufmgr_config.mbuf_high_water_jumbo =
11507                         DEFAULT_MB_HIGH_WATER_JUMBO;
11508         }
11509
11510         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11511         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11512 }
11513
11514 static char * __devinit tg3_phy_string(struct tg3 *tp)
11515 {
11516         switch (tp->phy_id & PHY_ID_MASK) {
11517         case PHY_ID_BCM5400:    return "5400";
11518         case PHY_ID_BCM5401:    return "5401";
11519         case PHY_ID_BCM5411:    return "5411";
11520         case PHY_ID_BCM5701:    return "5701";
11521         case PHY_ID_BCM5703:    return "5703";
11522         case PHY_ID_BCM5704:    return "5704";
11523         case PHY_ID_BCM5705:    return "5705";
11524         case PHY_ID_BCM5750:    return "5750";
11525         case PHY_ID_BCM5752:    return "5752";
11526         case PHY_ID_BCM5714:    return "5714";
11527         case PHY_ID_BCM5780:    return "5780";
11528         case PHY_ID_BCM5755:    return "5755";
11529         case PHY_ID_BCM5787:    return "5787";
11530         case PHY_ID_BCM5756:    return "5722/5756";
11531         case PHY_ID_BCM5906:    return "5906";
11532         case PHY_ID_BCM8002:    return "8002/serdes";
11533         case 0:                 return "serdes";
11534         default:                return "unknown";
11535         };
11536 }
11537
11538 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11539 {
11540         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11541                 strcpy(str, "PCI Express");
11542                 return str;
11543         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11544                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11545
11546                 strcpy(str, "PCIX:");
11547
11548                 if ((clock_ctrl == 7) ||
11549                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11550                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11551                         strcat(str, "133MHz");
11552                 else if (clock_ctrl == 0)
11553                         strcat(str, "33MHz");
11554                 else if (clock_ctrl == 2)
11555                         strcat(str, "50MHz");
11556                 else if (clock_ctrl == 4)
11557                         strcat(str, "66MHz");
11558                 else if (clock_ctrl == 6)
11559                         strcat(str, "100MHz");
11560         } else {
11561                 strcpy(str, "PCI:");
11562                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11563                         strcat(str, "66MHz");
11564                 else
11565                         strcat(str, "33MHz");
11566         }
11567         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11568                 strcat(str, ":32-bit");
11569         else
11570                 strcat(str, ":64-bit");
11571         return str;
11572 }
11573
11574 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
11575 {
11576         struct pci_dev *peer;
11577         unsigned int func, devnr = tp->pdev->devfn & ~7;
11578
11579         for (func = 0; func < 8; func++) {
11580                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11581                 if (peer && peer != tp->pdev)
11582                         break;
11583                 pci_dev_put(peer);
11584         }
11585         /* 5704 can be configured in single-port mode, set peer to
11586          * tp->pdev in that case.
11587          */
11588         if (!peer) {
11589                 peer = tp->pdev;
11590                 return peer;
11591         }
11592
11593         /*
11594          * We don't need to keep the refcount elevated; there's no way
11595          * to remove one half of this device without removing the other
11596          */
11597         pci_dev_put(peer);
11598
11599         return peer;
11600 }
11601
11602 static void __devinit tg3_init_coal(struct tg3 *tp)
11603 {
11604         struct ethtool_coalesce *ec = &tp->coal;
11605
11606         memset(ec, 0, sizeof(*ec));
11607         ec->cmd = ETHTOOL_GCOALESCE;
11608         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11609         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11610         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11611         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11612         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11613         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11614         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11615         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11616         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11617
11618         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11619                                  HOSTCC_MODE_CLRTICK_TXBD)) {
11620                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11621                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11622                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11623                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11624         }
11625
11626         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11627                 ec->rx_coalesce_usecs_irq = 0;
11628                 ec->tx_coalesce_usecs_irq = 0;
11629                 ec->stats_block_coalesce_usecs = 0;
11630         }
11631 }
11632
11633 static int __devinit tg3_init_one(struct pci_dev *pdev,
11634                                   const struct pci_device_id *ent)
11635 {
11636         static int tg3_version_printed = 0;
11637         unsigned long tg3reg_base, tg3reg_len;
11638         struct net_device *dev;
11639         struct tg3 *tp;
11640         int i, err, pm_cap;
11641         char str[40];
11642         u64 dma_mask, persist_dma_mask;
11643
11644         if (tg3_version_printed++ == 0)
11645                 printk(KERN_INFO "%s", version);
11646
11647         err = pci_enable_device(pdev);
11648         if (err) {
11649                 printk(KERN_ERR PFX "Cannot enable PCI device, "
11650                        "aborting.\n");
11651                 return err;
11652         }
11653
11654         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11655                 printk(KERN_ERR PFX "Cannot find proper PCI device "
11656                        "base address, aborting.\n");
11657                 err = -ENODEV;
11658                 goto err_out_disable_pdev;
11659         }
11660
11661         err = pci_request_regions(pdev, DRV_MODULE_NAME);
11662         if (err) {
11663                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11664                        "aborting.\n");
11665                 goto err_out_disable_pdev;
11666         }
11667
11668         pci_set_master(pdev);
11669
11670         /* Find power-management capability. */
11671         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11672         if (pm_cap == 0) {
11673                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11674                        "aborting.\n");
11675                 err = -EIO;
11676                 goto err_out_free_res;
11677         }
11678
11679         tg3reg_base = pci_resource_start(pdev, 0);
11680         tg3reg_len = pci_resource_len(pdev, 0);
11681
11682         dev = alloc_etherdev(sizeof(*tp));
11683         if (!dev) {
11684                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11685                 err = -ENOMEM;
11686                 goto err_out_free_res;
11687         }
11688
11689         SET_MODULE_OWNER(dev);
11690         SET_NETDEV_DEV(dev, &pdev->dev);
11691
11692 #if TG3_VLAN_TAG_USED
11693         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11694         dev->vlan_rx_register = tg3_vlan_rx_register;
11695         dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11696 #endif
11697
11698         tp = netdev_priv(dev);
11699         tp->pdev = pdev;
11700         tp->dev = dev;
11701         tp->pm_cap = pm_cap;
11702         tp->mac_mode = TG3_DEF_MAC_MODE;
11703         tp->rx_mode = TG3_DEF_RX_MODE;
11704         tp->tx_mode = TG3_DEF_TX_MODE;
11705         tp->mi_mode = MAC_MI_MODE_BASE;
11706         if (tg3_debug > 0)
11707                 tp->msg_enable = tg3_debug;
11708         else
11709                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11710
11711         /* The word/byte swap controls here control register access byte
11712          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
11713          * setting below.
11714          */
11715         tp->misc_host_ctrl =
11716                 MISC_HOST_CTRL_MASK_PCI_INT |
11717                 MISC_HOST_CTRL_WORD_SWAP |
11718                 MISC_HOST_CTRL_INDIR_ACCESS |
11719                 MISC_HOST_CTRL_PCISTATE_RW;
11720
11721         /* The NONFRM (non-frame) byte/word swap controls take effect
11722          * on descriptor entries, anything which isn't packet data.
11723          *
11724          * The StrongARM chips on the board (one for tx, one for rx)
11725          * are running in big-endian mode.
11726          */
11727         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11728                         GRC_MODE_WSWAP_NONFRM_DATA);
11729 #ifdef __BIG_ENDIAN
11730         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11731 #endif
11732         spin_lock_init(&tp->lock);
11733         spin_lock_init(&tp->indirect_lock);
11734         INIT_WORK(&tp->reset_task, tg3_reset_task);
11735
11736         tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11737         if (tp->regs == 0UL) {
11738                 printk(KERN_ERR PFX "Cannot map device registers, "
11739                        "aborting.\n");
11740                 err = -ENOMEM;
11741                 goto err_out_free_dev;
11742         }
11743
11744         tg3_init_link_config(tp);
11745
11746         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11747         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11748         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11749
11750         dev->open = tg3_open;
11751         dev->stop = tg3_close;
11752         dev->get_stats = tg3_get_stats;
11753         dev->set_multicast_list = tg3_set_rx_mode;
11754         dev->set_mac_address = tg3_set_mac_addr;
11755         dev->do_ioctl = tg3_ioctl;
11756         dev->tx_timeout = tg3_tx_timeout;
11757         dev->poll = tg3_poll;
11758         dev->ethtool_ops = &tg3_ethtool_ops;
11759         dev->weight = 64;
11760         dev->watchdog_timeo = TG3_TX_TIMEOUT;
11761         dev->change_mtu = tg3_change_mtu;
11762         dev->irq = pdev->irq;
11763 #ifdef CONFIG_NET_POLL_CONTROLLER
11764         dev->poll_controller = tg3_poll_controller;
11765 #endif
11766
11767         err = tg3_get_invariants(tp);
11768         if (err) {
11769                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11770                        "aborting.\n");
11771                 goto err_out_iounmap;
11772         }
11773
11774         /* The EPB bridge inside 5714, 5715, and 5780 and any
11775          * device behind the EPB cannot support DMA addresses > 40-bit.
11776          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11777          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11778          * do DMA address check in tg3_start_xmit().
11779          */
11780         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11781                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11782         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
11783                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11784 #ifdef CONFIG_HIGHMEM
11785                 dma_mask = DMA_64BIT_MASK;
11786 #endif
11787         } else
11788                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11789
11790         /* Configure DMA attributes. */
11791         if (dma_mask > DMA_32BIT_MASK) {
11792                 err = pci_set_dma_mask(pdev, dma_mask);
11793                 if (!err) {
11794                         dev->features |= NETIF_F_HIGHDMA;
11795                         err = pci_set_consistent_dma_mask(pdev,
11796                                                           persist_dma_mask);
11797                         if (err < 0) {
11798                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11799                                        "DMA for consistent allocations\n");
11800                                 goto err_out_iounmap;
11801                         }
11802                 }
11803         }
11804         if (err || dma_mask == DMA_32BIT_MASK) {
11805                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11806                 if (err) {
11807                         printk(KERN_ERR PFX "No usable DMA configuration, "
11808                                "aborting.\n");
11809                         goto err_out_iounmap;
11810                 }
11811         }
11812
11813         tg3_init_bufmgr_config(tp);
11814
11815 #if TG3_TSO_SUPPORT != 0
11816         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11817                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11818         }
11819         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11820             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11821             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
11822             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11823             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11824                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11825         } else {
11826                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11827         }
11828
11829         /* TSO is on by default on chips that support hardware TSO.
11830          * Firmware TSO on older chips gives lower performance, so it
11831          * is off by default, but can be enabled using ethtool.
11832          */
11833         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11834                 dev->features |= NETIF_F_TSO;
11835                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11836                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
11837                         dev->features |= NETIF_F_TSO6;
11838         }
11839
11840 #endif
11841
11842         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11843             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11844             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11845                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11846                 tp->rx_pending = 63;
11847         }
11848
11849         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11850             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11851                 tp->pdev_peer = tg3_find_peer(tp);
11852
11853         err = tg3_get_device_address(tp);
11854         if (err) {
11855                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11856                        "aborting.\n");
11857                 goto err_out_iounmap;
11858         }
11859
11860         /*
11861          * Reset chip in case UNDI or EFI driver did not shutdown
11862          * DMA self test will enable WDMAC and we'll see (spurious)
11863          * pending DMA on the PCI bus at that point.
11864          */
11865         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11866             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11867                 pci_save_state(tp->pdev);
11868                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
11869                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11870         }
11871
11872         err = tg3_test_dma(tp);
11873         if (err) {
11874                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11875                 goto err_out_iounmap;
11876         }
11877
11878         /* Tigon3 can do ipv4 only... and some chips have buggy
11879          * checksumming.
11880          */
11881         if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
11882                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11883                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
11884                         dev->features |= NETIF_F_HW_CSUM;
11885                 else
11886                         dev->features |= NETIF_F_IP_CSUM;
11887                 dev->features |= NETIF_F_SG;
11888                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11889         } else
11890                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11891
11892         /* flow control autonegotiation is default behavior */
11893         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11894
11895         tg3_init_coal(tp);
11896
11897         /* Now that we have fully setup the chip, save away a snapshot
11898          * of the PCI config space.  We need to restore this after
11899          * GRC_MISC_CFG core clock resets and some resume events.
11900          */
11901         pci_save_state(tp->pdev);
11902
11903         err = register_netdev(dev);
11904         if (err) {
11905                 printk(KERN_ERR PFX "Cannot register net device, "
11906                        "aborting.\n");
11907                 goto err_out_iounmap;
11908         }
11909
11910         pci_set_drvdata(pdev, dev);
11911
11912         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
11913                dev->name,
11914                tp->board_part_number,
11915                tp->pci_chip_rev_id,
11916                tg3_phy_string(tp),
11917                tg3_bus_string(tp, str),
11918                (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
11919
11920         for (i = 0; i < 6; i++)
11921                 printk("%2.2x%c", dev->dev_addr[i],
11922                        i == 5 ? '\n' : ':');
11923
11924         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11925                "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11926                "TSOcap[%d] \n",
11927                dev->name,
11928                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11929                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11930                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11931                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11932                (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11933                (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11934                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
11935         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11936                dev->name, tp->dma_rwctrl,
11937                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11938                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
11939
11940         netif_carrier_off(tp->dev);
11941
11942         return 0;
11943
11944 err_out_iounmap:
11945         if (tp->regs) {
11946                 iounmap(tp->regs);
11947                 tp->regs = NULL;
11948         }
11949
11950 err_out_free_dev:
11951         free_netdev(dev);
11952
11953 err_out_free_res:
11954         pci_release_regions(pdev);
11955
11956 err_out_disable_pdev:
11957         pci_disable_device(pdev);
11958         pci_set_drvdata(pdev, NULL);
11959         return err;
11960 }
11961
11962 static void __devexit tg3_remove_one(struct pci_dev *pdev)
11963 {
11964         struct net_device *dev = pci_get_drvdata(pdev);
11965
11966         if (dev) {
11967                 struct tg3 *tp = netdev_priv(dev);
11968
11969                 flush_scheduled_work();
11970                 unregister_netdev(dev);
11971                 if (tp->regs) {
11972                         iounmap(tp->regs);
11973                         tp->regs = NULL;
11974                 }
11975                 free_netdev(dev);
11976                 pci_release_regions(pdev);
11977                 pci_disable_device(pdev);
11978                 pci_set_drvdata(pdev, NULL);
11979         }
11980 }
11981
11982 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
11983 {
11984         struct net_device *dev = pci_get_drvdata(pdev);
11985         struct tg3 *tp = netdev_priv(dev);
11986         int err;
11987
11988         if (!netif_running(dev))
11989                 return 0;
11990
11991         flush_scheduled_work();
11992         tg3_netif_stop(tp);
11993
11994         del_timer_sync(&tp->timer);
11995
11996         tg3_full_lock(tp, 1);
11997         tg3_disable_ints(tp);
11998         tg3_full_unlock(tp);
11999
12000         netif_device_detach(dev);
12001
12002         tg3_full_lock(tp, 0);
12003         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
12004         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
12005         tg3_full_unlock(tp);
12006
12007         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12008         if (err) {
12009                 tg3_full_lock(tp, 0);
12010
12011                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12012                 if (tg3_restart_hw(tp, 1))
12013                         goto out;
12014
12015                 tp->timer.expires = jiffies + tp->timer_offset;
12016                 add_timer(&tp->timer);
12017
12018                 netif_device_attach(dev);
12019                 tg3_netif_start(tp);
12020
12021 out:
12022                 tg3_full_unlock(tp);
12023         }
12024
12025         return err;
12026 }
12027
12028 static int tg3_resume(struct pci_dev *pdev)
12029 {
12030         struct net_device *dev = pci_get_drvdata(pdev);
12031         struct tg3 *tp = netdev_priv(dev);
12032         int err;
12033
12034         if (!netif_running(dev))
12035                 return 0;
12036
12037         pci_restore_state(tp->pdev);
12038
12039         err = tg3_set_power_state(tp, PCI_D0);
12040         if (err)
12041                 return err;
12042
12043         netif_device_attach(dev);
12044
12045         tg3_full_lock(tp, 0);
12046
12047         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12048         err = tg3_restart_hw(tp, 1);
12049         if (err)
12050                 goto out;
12051
12052         tp->timer.expires = jiffies + tp->timer_offset;
12053         add_timer(&tp->timer);
12054
12055         tg3_netif_start(tp);
12056
12057 out:
12058         tg3_full_unlock(tp);
12059
12060         return err;
12061 }
12062
12063 static struct pci_driver tg3_driver = {
12064         .name           = DRV_MODULE_NAME,
12065         .id_table       = tg3_pci_tbl,
12066         .probe          = tg3_init_one,
12067         .remove         = __devexit_p(tg3_remove_one),
12068         .suspend        = tg3_suspend,
12069         .resume         = tg3_resume
12070 };
12071
12072 static int __init tg3_init(void)
12073 {
12074         return pci_register_driver(&tg3_driver);
12075 }
12076
12077 static void __exit tg3_cleanup(void)
12078 {
12079         pci_unregister_driver(&tg3_driver);
12080 }
12081
12082 module_init(tg3_init);
12083 module_exit(tg3_cleanup);