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) 2005-2009 Broadcom Corporation.
   8  *
   9  * Firmware is:
  10  *      Derived from proprietary unpublished source code,
  11  *      Copyright (C) 2000-2003 Broadcom Corporation.
  12  *
  13  *      Permission is hereby granted for the distribution of this firmware
  14  *      data in hexadecimal or equivalent format, provided this copyright
  15  *      notice is accompanying it.
  16  */
  17
  18
  19 #include <linux/module.h>
  20 #include <linux/moduleparam.h>
  21 #include <linux/kernel.h>
  22 #include <linux/types.h>
  23 #include <linux/compiler.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <linux/in.h>
  27 #include <linux/init.h>
  28 #include <linux/ioport.h>
  29 #include <linux/pci.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/mii.h>
  35 #include <linux/phy.h>
  36 #include <linux/brcmphy.h>
  37 #include <linux/if_vlan.h>
  38 #include <linux/ip.h>
  39 #include <linux/tcp.h>
  40 #include <linux/workqueue.h>
  41 #include <linux/prefetch.h>
  42 #include <linux/dma-mapping.h>
  43 #include <linux/firmware.h>
  44
  45 #include <net/checksum.h>
  46 #include <net/ip.h>
  47
  48 #include <asm/system.h>
  49 #include <asm/io.h>
  50 #include <asm/byteorder.h>
  51 #include <asm/uaccess.h>
  52
  53 #ifdef CONFIG_SPARC
  54 #include <asm/idprom.h>
  55 #include <asm/prom.h>
  56 #endif
  57
  58 #define BAR_0   0
  59 #define BAR_2   2
  60
  61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  62 #define TG3_VLAN_TAG_USED 1
  63 #else
  64 #define TG3_VLAN_TAG_USED 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.101"
  72 #define DRV_MODULE_RELDATE      "August 28, 2009"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 105
 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_ext_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 TG3_DMA_BYTE_ENAB               64
 129
 130 #define TG3_RX_STD_DMA_SZ               1536
 131 #define TG3_RX_JMB_DMA_SZ               9046
 132
 133 #define TG3_RX_DMA_TO_MAP_SZ(x)         ((x) + TG3_DMA_BYTE_ENAB)
 134
 135 #define TG3_RX_STD_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
 136 #define TG3_RX_JMB_MAP_SZ               TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
 137
 138 /* minimum number of free TX descriptors required to wake up TX process */
 139 #define TG3_TX_WAKEUP_THRESH(tnapi)             ((tnapi)->tx_pending / 4)
 140
 141 #define TG3_RAW_IP_ALIGN 2
 142
 143 /* number of ETHTOOL_GSTATS u64's */
 144 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 145
 146 #define TG3_NUM_TEST            6
 147
 148 #define FIRMWARE_TG3            "tigon/tg3.bin"
 149 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 150 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 151
 152 static char version[] __devinitdata =
 153         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 154
 155 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 156 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 157 MODULE_LICENSE("GPL");
 158 MODULE_VERSION(DRV_MODULE_VERSION);
 159 MODULE_FIRMWARE(FIRMWARE_TG3);
 160 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 161 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 162
 163 #define TG3_RSS_MIN_NUM_MSIX_VECS       2
 164
 165 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 166 module_param(tg3_debug, int, 0);
 167 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 168
 169 static struct pci_device_id tg3_pci_tbl[] = {
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 234         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 235         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
 236         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 237         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 238         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 239         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 240         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 241         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 242         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 243         {}
 244 };
 245
 246 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 247
 248 static const struct {
 249         const char string[ETH_GSTRING_LEN];
 250 } ethtool_stats_keys[TG3_NUM_STATS] = {
 251         { "rx_octets" },
 252         { "rx_fragments" },
 253         { "rx_ucast_packets" },
 254         { "rx_mcast_packets" },
 255         { "rx_bcast_packets" },
 256         { "rx_fcs_errors" },
 257         { "rx_align_errors" },
 258         { "rx_xon_pause_rcvd" },
 259         { "rx_xoff_pause_rcvd" },
 260         { "rx_mac_ctrl_rcvd" },
 261         { "rx_xoff_entered" },
 262         { "rx_frame_too_long_errors" },
 263         { "rx_jabbers" },
 264         { "rx_undersize_packets" },
 265         { "rx_in_length_errors" },
 266         { "rx_out_length_errors" },
 267         { "rx_64_or_less_octet_packets" },
 268         { "rx_65_to_127_octet_packets" },
 269         { "rx_128_to_255_octet_packets" },
 270         { "rx_256_to_511_octet_packets" },
 271         { "rx_512_to_1023_octet_packets" },
 272         { "rx_1024_to_1522_octet_packets" },
 273         { "rx_1523_to_2047_octet_packets" },
 274         { "rx_2048_to_4095_octet_packets" },
 275         { "rx_4096_to_8191_octet_packets" },
 276         { "rx_8192_to_9022_octet_packets" },
 277
 278         { "tx_octets" },
 279         { "tx_collisions" },
 280
 281         { "tx_xon_sent" },
 282         { "tx_xoff_sent" },
 283         { "tx_flow_control" },
 284         { "tx_mac_errors" },
 285         { "tx_single_collisions" },
 286         { "tx_mult_collisions" },
 287         { "tx_deferred" },
 288         { "tx_excessive_collisions" },
 289         { "tx_late_collisions" },
 290         { "tx_collide_2times" },
 291         { "tx_collide_3times" },
 292         { "tx_collide_4times" },
 293         { "tx_collide_5times" },
 294         { "tx_collide_6times" },
 295         { "tx_collide_7times" },
 296         { "tx_collide_8times" },
 297         { "tx_collide_9times" },
 298         { "tx_collide_10times" },
 299         { "tx_collide_11times" },
 300         { "tx_collide_12times" },
 301         { "tx_collide_13times" },
 302         { "tx_collide_14times" },
 303         { "tx_collide_15times" },
 304         { "tx_ucast_packets" },
 305         { "tx_mcast_packets" },
 306         { "tx_bcast_packets" },
 307         { "tx_carrier_sense_errors" },
 308         { "tx_discards" },
 309         { "tx_errors" },
 310
 311         { "dma_writeq_full" },
 312         { "dma_write_prioq_full" },
 313         { "rxbds_empty" },
 314         { "rx_discards" },
 315         { "rx_errors" },
 316         { "rx_threshold_hit" },
 317
 318         { "dma_readq_full" },
 319         { "dma_read_prioq_full" },
 320         { "tx_comp_queue_full" },
 321
 322         { "ring_set_send_prod_index" },
 323         { "ring_status_update" },
 324         { "nic_irqs" },
 325         { "nic_avoided_irqs" },
 326         { "nic_tx_threshold_hit" }
 327 };
 328
 329 static const struct {
 330         const char string[ETH_GSTRING_LEN];
 331 } ethtool_test_keys[TG3_NUM_TEST] = {
 332         { "nvram test     (online) " },
 333         { "link test      (online) " },
 334         { "register test  (offline)" },
 335         { "memory test    (offline)" },
 336         { "loopback test  (offline)" },
 337         { "interrupt test (offline)" },
 338 };
 339
 340 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 341 {
 342         writel(val, tp->regs + off);
 343 }
 344
 345 static u32 tg3_read32(struct tg3 *tp, u32 off)
 346 {
 347         return (readl(tp->regs + off));
 348 }
 349
 350 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 351 {
 352         writel(val, tp->aperegs + off);
 353 }
 354
 355 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 356 {
 357         return (readl(tp->aperegs + off));
 358 }
 359
 360 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 361 {
 362         unsigned long flags;
 363
 364         spin_lock_irqsave(&tp->indirect_lock, flags);
 365         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 366         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 367         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 368 }
 369
 370 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 371 {
 372         writel(val, tp->regs + off);
 373         readl(tp->regs + off);
 374 }
 375
 376 static u32 tg3_read_indirect_reg32(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);
 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 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 389 {
 390         unsigned long flags;
 391
 392         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 393                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 394                                        TG3_64BIT_REG_LOW, val);
 395                 return;
 396         }
 397         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 398                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 399                                        TG3_64BIT_REG_LOW, val);
 400                 return;
 401         }
 402
 403         spin_lock_irqsave(&tp->indirect_lock, flags);
 404         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 405         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 406         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 407
 408         /* In indirect mode when disabling interrupts, we also need
 409          * to clear the interrupt bit in the GRC local ctrl register.
 410          */
 411         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 412             (val == 0x1)) {
 413                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 414                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 415         }
 416 }
 417
 418 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 419 {
 420         unsigned long flags;
 421         u32 val;
 422
 423         spin_lock_irqsave(&tp->indirect_lock, flags);
 424         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 425         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 426         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 427         return val;
 428 }
 429
 430 /* usec_wait specifies the wait time in usec when writing to certain registers
 431  * where it is unsafe to read back the register without some delay.
 432  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 433  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 434  */
 435 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 436 {
 437         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 438             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 439                 /* Non-posted methods */
 440                 tp->write32(tp, off, val);
 441         else {
 442                 /* Posted method */
 443                 tg3_write32(tp, off, val);
 444                 if (usec_wait)
 445                         udelay(usec_wait);
 446                 tp->read32(tp, off);
 447         }
 448         /* Wait again after the read for the posted method to guarantee that
 449          * the wait time is met.
 450          */
 451         if (usec_wait)
 452                 udelay(usec_wait);
 453 }
 454
 455 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 456 {
 457         tp->write32_mbox(tp, off, val);
 458         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 459             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 460                 tp->read32_mbox(tp, off);
 461 }
 462
 463 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 464 {
 465         void __iomem *mbox = tp->regs + off;
 466         writel(val, mbox);
 467         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 468                 writel(val, mbox);
 469         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 470                 readl(mbox);
 471 }
 472
 473 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 474 {
 475         return (readl(tp->regs + off + GRCMBOX_BASE));
 476 }
 477
 478 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 479 {
 480         writel(val, tp->regs + off + GRCMBOX_BASE);
 481 }
 482
 483 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 484 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 485 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 486 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 487 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 488
 489 #define tw32(reg,val)           tp->write32(tp, reg, val)
 490 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 491 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 492 #define tr32(reg)               tp->read32(tp, reg)
 493
 494 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 495 {
 496         unsigned long flags;
 497
 498         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 499             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 500                 return;
 501
 502         spin_lock_irqsave(&tp->indirect_lock, flags);
 503         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 504                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 505                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 506
 507                 /* Always leave this as zero. */
 508                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 509         } else {
 510                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 511                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 512
 513                 /* Always leave this as zero. */
 514                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 515         }
 516         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 517 }
 518
 519 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 520 {
 521         unsigned long flags;
 522
 523         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 524             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 525                 *val = 0;
 526                 return;
 527         }
 528
 529         spin_lock_irqsave(&tp->indirect_lock, flags);
 530         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 531                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 532                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 533
 534                 /* Always leave this as zero. */
 535                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 536         } else {
 537                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 538                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 539
 540                 /* Always leave this as zero. */
 541                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 542         }
 543         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 544 }
 545
 546 static void tg3_ape_lock_init(struct tg3 *tp)
 547 {
 548         int i;
 549
 550         /* Make sure the driver hasn't any stale locks. */
 551         for (i = 0; i < 8; i++)
 552                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 553                                 APE_LOCK_GRANT_DRIVER);
 554 }
 555
 556 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 557 {
 558         int i, off;
 559         int ret = 0;
 560         u32 status;
 561
 562         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 563                 return 0;
 564
 565         switch (locknum) {
 566                 case TG3_APE_LOCK_GRC:
 567                 case TG3_APE_LOCK_MEM:
 568                         break;
 569                 default:
 570                         return -EINVAL;
 571         }
 572
 573         off = 4 * locknum;
 574
 575         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 576
 577         /* Wait for up to 1 millisecond to acquire lock. */
 578         for (i = 0; i < 100; i++) {
 579                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 580                 if (status == APE_LOCK_GRANT_DRIVER)
 581                         break;
 582                 udelay(10);
 583         }
 584
 585         if (status != APE_LOCK_GRANT_DRIVER) {
 586                 /* Revoke the lock request. */
 587                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 588                                 APE_LOCK_GRANT_DRIVER);
 589
 590                 ret = -EBUSY;
 591         }
 592
 593         return ret;
 594 }
 595
 596 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 597 {
 598         int off;
 599
 600         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 601                 return;
 602
 603         switch (locknum) {
 604                 case TG3_APE_LOCK_GRC:
 605                 case TG3_APE_LOCK_MEM:
 606                         break;
 607                 default:
 608                         return;
 609         }
 610
 611         off = 4 * locknum;
 612         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 613 }
 614
 615 static void tg3_disable_ints(struct tg3 *tp)
 616 {
 617         tw32(TG3PCI_MISC_HOST_CTRL,
 618              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 619         tw32_mailbox_f(tp->napi[0].int_mbox, 0x00000001);
 620 }
 621
 622 static void tg3_enable_ints(struct tg3 *tp)
 623 {
 624         u32 coal_now;
 625         struct tg3_napi *tnapi = &tp->napi[0];
 626         tp->irq_sync = 0;
 627         wmb();
 628
 629         tw32(TG3PCI_MISC_HOST_CTRL,
 630              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 631         tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 632         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 633                 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
 634
 635         coal_now = tnapi->coal_now;
 636
 637         /* Force an initial interrupt */
 638         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 639             (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
 640                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 641         else
 642                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 643                      HOSTCC_MODE_ENABLE | coal_now);
 644 }
 645
 646 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
 647 {
 648         struct tg3 *tp = tnapi->tp;
 649         struct tg3_hw_status *sblk = tnapi->hw_status;
 650         unsigned int work_exists = 0;
 651
 652         /* check for phy events */
 653         if (!(tp->tg3_flags &
 654               (TG3_FLAG_USE_LINKCHG_REG |
 655                TG3_FLAG_POLL_SERDES))) {
 656                 if (sblk->status & SD_STATUS_LINK_CHG)
 657                         work_exists = 1;
 658         }
 659         /* check for RX/TX work to do */
 660         if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
 661             sblk->idx[0].rx_producer != tnapi->rx_rcb_ptr)
 662                 work_exists = 1;
 663
 664         return work_exists;
 665 }
 666
 667 /* tg3_int_reenable
 668  *  similar to tg3_enable_ints, but it accurately determines whether there
 669  *  is new work pending and can return without flushing the PIO write
 670  *  which reenables interrupts
 671  */
 672 static void tg3_int_reenable(struct tg3_napi *tnapi)
 673 {
 674         struct tg3 *tp = tnapi->tp;
 675
 676         tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
 677         mmiowb();
 678
 679         /* When doing tagged status, this work check is unnecessary.
 680          * The last_tag we write above tells the chip which piece of
 681          * work we've completed.
 682          */
 683         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 684             tg3_has_work(tnapi))
 685                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 686                      HOSTCC_MODE_ENABLE | tnapi->coal_now);
 687 }
 688
 689 static inline void tg3_netif_stop(struct tg3 *tp)
 690 {
 691         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 692         napi_disable(&tp->napi[0].napi);
 693         netif_tx_disable(tp->dev);
 694 }
 695
 696 static inline void tg3_netif_start(struct tg3 *tp)
 697 {
 698         struct tg3_napi *tnapi = &tp->napi[0];
 699         netif_wake_queue(tp->dev);
 700         /* NOTE: unconditional netif_wake_queue is only appropriate
 701          * so long as all callers are assured to have free tx slots
 702          * (such as after tg3_init_hw)
 703          */
 704         napi_enable(&tnapi->napi);
 705         tnapi->hw_status->status |= SD_STATUS_UPDATED;
 706         tg3_enable_ints(tp);
 707 }
 708
 709 static void tg3_switch_clocks(struct tg3 *tp)
 710 {
 711         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 712         u32 orig_clock_ctrl;
 713
 714         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 715             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 716                 return;
 717
 718         orig_clock_ctrl = clock_ctrl;
 719         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 720                        CLOCK_CTRL_CLKRUN_OENABLE |
 721                        0x1f);
 722         tp->pci_clock_ctrl = clock_ctrl;
 723
 724         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 725                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 726                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 727                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 728                 }
 729         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 730                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 731                             clock_ctrl |
 732                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 733                             40);
 734                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 735                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 736                             40);
 737         }
 738         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 739 }
 740
 741 #define PHY_BUSY_LOOPS  5000
 742
 743 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 744 {
 745         u32 frame_val;
 746         unsigned int loops;
 747         int ret;
 748
 749         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 750                 tw32_f(MAC_MI_MODE,
 751                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 752                 udelay(80);
 753         }
 754
 755         *val = 0x0;
 756
 757         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 758                       MI_COM_PHY_ADDR_MASK);
 759         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 760                       MI_COM_REG_ADDR_MASK);
 761         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 762
 763         tw32_f(MAC_MI_COM, frame_val);
 764
 765         loops = PHY_BUSY_LOOPS;
 766         while (loops != 0) {
 767                 udelay(10);
 768                 frame_val = tr32(MAC_MI_COM);
 769
 770                 if ((frame_val & MI_COM_BUSY) == 0) {
 771                         udelay(5);
 772                         frame_val = tr32(MAC_MI_COM);
 773                         break;
 774                 }
 775                 loops -= 1;
 776         }
 777
 778         ret = -EBUSY;
 779         if (loops != 0) {
 780                 *val = frame_val & MI_COM_DATA_MASK;
 781                 ret = 0;
 782         }
 783
 784         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 785                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 786                 udelay(80);
 787         }
 788
 789         return ret;
 790 }
 791
 792 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 793 {
 794         u32 frame_val;
 795         unsigned int loops;
 796         int ret;
 797
 798         if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
 799             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 800                 return 0;
 801
 802         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 803                 tw32_f(MAC_MI_MODE,
 804                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 805                 udelay(80);
 806         }
 807
 808         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 809                       MI_COM_PHY_ADDR_MASK);
 810         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 811                       MI_COM_REG_ADDR_MASK);
 812         frame_val |= (val & MI_COM_DATA_MASK);
 813         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 814
 815         tw32_f(MAC_MI_COM, frame_val);
 816
 817         loops = PHY_BUSY_LOOPS;
 818         while (loops != 0) {
 819                 udelay(10);
 820                 frame_val = tr32(MAC_MI_COM);
 821                 if ((frame_val & MI_COM_BUSY) == 0) {
 822                         udelay(5);
 823                         frame_val = tr32(MAC_MI_COM);
 824                         break;
 825                 }
 826                 loops -= 1;
 827         }
 828
 829         ret = -EBUSY;
 830         if (loops != 0)
 831                 ret = 0;
 832
 833         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 834                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 835                 udelay(80);
 836         }
 837
 838         return ret;
 839 }
 840
 841 static int tg3_bmcr_reset(struct tg3 *tp)
 842 {
 843         u32 phy_control;
 844         int limit, err;
 845
 846         /* OK, reset it, and poll the BMCR_RESET bit until it
 847          * clears or we time out.
 848          */
 849         phy_control = BMCR_RESET;
 850         err = tg3_writephy(tp, MII_BMCR, phy_control);
 851         if (err != 0)
 852                 return -EBUSY;
 853
 854         limit = 5000;
 855         while (limit--) {
 856                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 857                 if (err != 0)
 858                         return -EBUSY;
 859
 860                 if ((phy_control & BMCR_RESET) == 0) {
 861                         udelay(40);
 862                         break;
 863                 }
 864                 udelay(10);
 865         }
 866         if (limit < 0)
 867                 return -EBUSY;
 868
 869         return 0;
 870 }
 871
 872 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 873 {
 874         struct tg3 *tp = bp->priv;
 875         u32 val;
 876
 877         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 878                 return -EAGAIN;
 879
 880         if (tg3_readphy(tp, reg, &val))
 881                 return -EIO;
 882
 883         return val;
 884 }
 885
 886 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 887 {
 888         struct tg3 *tp = bp->priv;
 889
 890         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 891                 return -EAGAIN;
 892
 893         if (tg3_writephy(tp, reg, val))
 894                 return -EIO;
 895
 896         return 0;
 897 }
 898
 899 static int tg3_mdio_reset(struct mii_bus *bp)
 900 {
 901         return 0;
 902 }
 903
 904 static void tg3_mdio_config_5785(struct tg3 *tp)
 905 {
 906         u32 val;
 907         struct phy_device *phydev;
 908
 909         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
 910         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 911         case TG3_PHY_ID_BCM50610:
 912                 val = MAC_PHYCFG2_50610_LED_MODES;
 913                 break;
 914         case TG3_PHY_ID_BCMAC131:
 915                 val = MAC_PHYCFG2_AC131_LED_MODES;
 916                 break;
 917         case TG3_PHY_ID_RTL8211C:
 918                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 919                 break;
 920         case TG3_PHY_ID_RTL8201E:
 921                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 922                 break;
 923         default:
 924                 return;
 925         }
 926
 927         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 928                 tw32(MAC_PHYCFG2, val);
 929
 930                 val = tr32(MAC_PHYCFG1);
 931                 val &= ~(MAC_PHYCFG1_RGMII_INT |
 932                          MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
 933                 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
 934                 tw32(MAC_PHYCFG1, val);
 935
 936                 return;
 937         }
 938
 939         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
 940                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 941                        MAC_PHYCFG2_FMODE_MASK_MASK |
 942                        MAC_PHYCFG2_GMODE_MASK_MASK |
 943                        MAC_PHYCFG2_ACT_MASK_MASK   |
 944                        MAC_PHYCFG2_QUAL_MASK_MASK |
 945                        MAC_PHYCFG2_INBAND_ENABLE;
 946
 947         tw32(MAC_PHYCFG2, val);
 948
 949         val = tr32(MAC_PHYCFG1);
 950         val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
 951                  MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
 952         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
 953                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 954                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
 955                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 956                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
 957         }
 958         val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
 959                MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
 960         tw32(MAC_PHYCFG1, val);
 961
 962         val = tr32(MAC_EXT_RGMII_MODE);
 963         val &= ~(MAC_RGMII_MODE_RX_INT_B |
 964                  MAC_RGMII_MODE_RX_QUALITY |
 965                  MAC_RGMII_MODE_RX_ACTIVITY |
 966                  MAC_RGMII_MODE_RX_ENG_DET |
 967                  MAC_RGMII_MODE_TX_ENABLE |
 968                  MAC_RGMII_MODE_TX_LOWPWR |
 969                  MAC_RGMII_MODE_TX_RESET);
 970         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
 971                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 972                         val |= MAC_RGMII_MODE_RX_INT_B |
 973                                MAC_RGMII_MODE_RX_QUALITY |
 974                                MAC_RGMII_MODE_RX_ACTIVITY |
 975                                MAC_RGMII_MODE_RX_ENG_DET;
 976                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 977                         val |= MAC_RGMII_MODE_TX_ENABLE |
 978                                MAC_RGMII_MODE_TX_LOWPWR |
 979                                MAC_RGMII_MODE_TX_RESET;
 980         }
 981         tw32(MAC_EXT_RGMII_MODE, val);
 982 }
 983
 984 static void tg3_mdio_start(struct tg3 *tp)
 985 {
 986         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
 987                 mutex_lock(&tp->mdio_bus->mdio_lock);
 988                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
 989                 mutex_unlock(&tp->mdio_bus->mdio_lock);
 990         }
 991
 992         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
 993         tw32_f(MAC_MI_MODE, tp->mi_mode);
 994         udelay(80);
 995
 996         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
 997             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
 998                 tg3_mdio_config_5785(tp);
 999 }
1000
1001 static void tg3_mdio_stop(struct tg3 *tp)
1002 {
1003         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1004                 mutex_lock(&tp->mdio_bus->mdio_lock);
1005                 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED;
1006                 mutex_unlock(&tp->mdio_bus->mdio_lock);
1007         }
1008 }
1009
1010 static int tg3_mdio_init(struct tg3 *tp)
1011 {
1012         int i;
1013         u32 reg;
1014         struct phy_device *phydev;
1015
1016         tg3_mdio_start(tp);
1017
1018         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1019             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1020                 return 0;
1021
1022         tp->mdio_bus = mdiobus_alloc();
1023         if (tp->mdio_bus == NULL)
1024                 return -ENOMEM;
1025
1026         tp->mdio_bus->name     = "tg3 mdio bus";
1027         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1028                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1029         tp->mdio_bus->priv     = tp;
1030         tp->mdio_bus->parent   = &tp->pdev->dev;
1031         tp->mdio_bus->read     = &tg3_mdio_read;
1032         tp->mdio_bus->write    = &tg3_mdio_write;
1033         tp->mdio_bus->reset    = &tg3_mdio_reset;
1034         tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
1035         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1036
1037         for (i = 0; i < PHY_MAX_ADDR; i++)
1038                 tp->mdio_bus->irq[i] = PHY_POLL;
1039
1040         /* The bus registration will look for all the PHYs on the mdio bus.
1041          * Unfortunately, it does not ensure the PHY is powered up before
1042          * accessing the PHY ID registers.  A chip reset is the
1043          * quickest way to bring the device back to an operational state..
1044          */
1045         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1046                 tg3_bmcr_reset(tp);
1047
1048         i = mdiobus_register(tp->mdio_bus);
1049         if (i) {
1050                 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1051                         tp->dev->name, i);
1052                 mdiobus_free(tp->mdio_bus);
1053                 return i;
1054         }
1055
1056         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1057
1058         if (!phydev || !phydev->drv) {
1059                 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1060                 mdiobus_unregister(tp->mdio_bus);
1061                 mdiobus_free(tp->mdio_bus);
1062                 return -ENODEV;
1063         }
1064
1065         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1066         case TG3_PHY_ID_BCM57780:
1067                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1068                 break;
1069         case TG3_PHY_ID_BCM50610:
1070                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1071                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1072                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1073                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1074                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1075                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1076                 /* fallthru */
1077         case TG3_PHY_ID_RTL8211C:
1078                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1079                 break;
1080         case TG3_PHY_ID_RTL8201E:
1081         case TG3_PHY_ID_BCMAC131:
1082                 phydev->interface = PHY_INTERFACE_MODE_MII;
1083                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
1084                 break;
1085         }
1086
1087         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1088
1089         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1090                 tg3_mdio_config_5785(tp);
1091
1092         return 0;
1093 }
1094
1095 static void tg3_mdio_fini(struct tg3 *tp)
1096 {
1097         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1098                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1099                 mdiobus_unregister(tp->mdio_bus);
1100                 mdiobus_free(tp->mdio_bus);
1101                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
1102         }
1103 }
1104
1105 /* tp->lock is held. */
1106 static inline void tg3_generate_fw_event(struct tg3 *tp)
1107 {
1108         u32 val;
1109
1110         val = tr32(GRC_RX_CPU_EVENT);
1111         val |= GRC_RX_CPU_DRIVER_EVENT;
1112         tw32_f(GRC_RX_CPU_EVENT, val);
1113
1114         tp->last_event_jiffies = jiffies;
1115 }
1116
1117 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1118
1119 /* tp->lock is held. */
1120 static void tg3_wait_for_event_ack(struct tg3 *tp)
1121 {
1122         int i;
1123         unsigned int delay_cnt;
1124         long time_remain;
1125
1126         /* If enough time has passed, no wait is necessary. */
1127         time_remain = (long)(tp->last_event_jiffies + 1 +
1128                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1129                       (long)jiffies;
1130         if (time_remain < 0)
1131                 return;
1132
1133         /* Check if we can shorten the wait time. */
1134         delay_cnt = jiffies_to_usecs(time_remain);
1135         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1136                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1137         delay_cnt = (delay_cnt >> 3) + 1;
1138
1139         for (i = 0; i < delay_cnt; i++) {
1140                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1141                         break;
1142                 udelay(8);
1143         }
1144 }
1145
1146 /* tp->lock is held. */
1147 static void tg3_ump_link_report(struct tg3 *tp)
1148 {
1149         u32 reg;
1150         u32 val;
1151
1152         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1153             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1154                 return;
1155
1156         tg3_wait_for_event_ack(tp);
1157
1158         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1159
1160         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1161
1162         val = 0;
1163         if (!tg3_readphy(tp, MII_BMCR, &reg))
1164                 val = reg << 16;
1165         if (!tg3_readphy(tp, MII_BMSR, &reg))
1166                 val |= (reg & 0xffff);
1167         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1168
1169         val = 0;
1170         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1171                 val = reg << 16;
1172         if (!tg3_readphy(tp, MII_LPA, &reg))
1173                 val |= (reg & 0xffff);
1174         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1175
1176         val = 0;
1177         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1178                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1179                         val = reg << 16;
1180                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1181                         val |= (reg & 0xffff);
1182         }
1183         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1184
1185         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1186                 val = reg << 16;
1187         else
1188                 val = 0;
1189         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1190
1191         tg3_generate_fw_event(tp);
1192 }
1193
1194 static void tg3_link_report(struct tg3 *tp)
1195 {
1196         if (!netif_carrier_ok(tp->dev)) {
1197                 if (netif_msg_link(tp))
1198                         printk(KERN_INFO PFX "%s: Link is down.\n",
1199                                tp->dev->name);
1200                 tg3_ump_link_report(tp);
1201         } else if (netif_msg_link(tp)) {
1202                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1203                        tp->dev->name,
1204                        (tp->link_config.active_speed == SPEED_1000 ?
1205                         1000 :
1206                         (tp->link_config.active_speed == SPEED_100 ?
1207                          100 : 10)),
1208                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1209                         "full" : "half"));
1210
1211                 printk(KERN_INFO PFX
1212                        "%s: Flow control is %s for TX and %s for RX.\n",
1213                        tp->dev->name,
1214                        (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1215                        "on" : "off",
1216                        (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1217                        "on" : "off");
1218                 tg3_ump_link_report(tp);
1219         }
1220 }
1221
1222 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1223 {
1224         u16 miireg;
1225
1226         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1227                 miireg = ADVERTISE_PAUSE_CAP;
1228         else if (flow_ctrl & FLOW_CTRL_TX)
1229                 miireg = ADVERTISE_PAUSE_ASYM;
1230         else if (flow_ctrl & FLOW_CTRL_RX)
1231                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1232         else
1233                 miireg = 0;
1234
1235         return miireg;
1236 }
1237
1238 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1239 {
1240         u16 miireg;
1241
1242         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1243                 miireg = ADVERTISE_1000XPAUSE;
1244         else if (flow_ctrl & FLOW_CTRL_TX)
1245                 miireg = ADVERTISE_1000XPSE_ASYM;
1246         else if (flow_ctrl & FLOW_CTRL_RX)
1247                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1248         else
1249                 miireg = 0;
1250
1251         return miireg;
1252 }
1253
1254 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1255 {
1256         u8 cap = 0;
1257
1258         if (lcladv & ADVERTISE_1000XPAUSE) {
1259                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1260                         if (rmtadv & LPA_1000XPAUSE)
1261                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1262                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1263                                 cap = FLOW_CTRL_RX;
1264                 } else {
1265                         if (rmtadv & LPA_1000XPAUSE)
1266                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1267                 }
1268         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1269                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1270                         cap = FLOW_CTRL_TX;
1271         }
1272
1273         return cap;
1274 }
1275
1276 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1277 {
1278         u8 autoneg;
1279         u8 flowctrl = 0;
1280         u32 old_rx_mode = tp->rx_mode;
1281         u32 old_tx_mode = tp->tx_mode;
1282
1283         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1284                 autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
1285         else
1286                 autoneg = tp->link_config.autoneg;
1287
1288         if (autoneg == AUTONEG_ENABLE &&
1289             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1290                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1291                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1292                 else
1293                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1294         } else
1295                 flowctrl = tp->link_config.flowctrl;
1296
1297         tp->link_config.active_flowctrl = flowctrl;
1298
1299         if (flowctrl & FLOW_CTRL_RX)
1300                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1301         else
1302                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1303
1304         if (old_rx_mode != tp->rx_mode)
1305                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1306
1307         if (flowctrl & FLOW_CTRL_TX)
1308                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1309         else
1310                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1311
1312         if (old_tx_mode != tp->tx_mode)
1313                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1314 }
1315
1316 static void tg3_adjust_link(struct net_device *dev)
1317 {
1318         u8 oldflowctrl, linkmesg = 0;
1319         u32 mac_mode, lcl_adv, rmt_adv;
1320         struct tg3 *tp = netdev_priv(dev);
1321         struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1322
1323         spin_lock(&tp->lock);
1324
1325         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1326                                     MAC_MODE_HALF_DUPLEX);
1327
1328         oldflowctrl = tp->link_config.active_flowctrl;
1329
1330         if (phydev->link) {
1331                 lcl_adv = 0;
1332                 rmt_adv = 0;
1333
1334                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1335                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1336                 else
1337                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1338
1339                 if (phydev->duplex == DUPLEX_HALF)
1340                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1341                 else {
1342                         lcl_adv = tg3_advert_flowctrl_1000T(
1343                                   tp->link_config.flowctrl);
1344
1345                         if (phydev->pause)
1346                                 rmt_adv = LPA_PAUSE_CAP;
1347                         if (phydev->asym_pause)
1348                                 rmt_adv |= LPA_PAUSE_ASYM;
1349                 }
1350
1351                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1352         } else
1353                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1354
1355         if (mac_mode != tp->mac_mode) {
1356                 tp->mac_mode = mac_mode;
1357                 tw32_f(MAC_MODE, tp->mac_mode);
1358                 udelay(40);
1359         }
1360
1361         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1362                 if (phydev->speed == SPEED_10)
1363                         tw32(MAC_MI_STAT,
1364                              MAC_MI_STAT_10MBPS_MODE |
1365                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1366                 else
1367                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1368         }
1369
1370         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1371                 tw32(MAC_TX_LENGTHS,
1372                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1373                       (6 << TX_LENGTHS_IPG_SHIFT) |
1374                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1375         else
1376                 tw32(MAC_TX_LENGTHS,
1377                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1378                       (6 << TX_LENGTHS_IPG_SHIFT) |
1379                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1380
1381         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1382             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1383             phydev->speed != tp->link_config.active_speed ||
1384             phydev->duplex != tp->link_config.active_duplex ||
1385             oldflowctrl != tp->link_config.active_flowctrl)
1386             linkmesg = 1;
1387
1388         tp->link_config.active_speed = phydev->speed;
1389         tp->link_config.active_duplex = phydev->duplex;
1390
1391         spin_unlock(&tp->lock);
1392
1393         if (linkmesg)
1394                 tg3_link_report(tp);
1395 }
1396
1397 static int tg3_phy_init(struct tg3 *tp)
1398 {
1399         struct phy_device *phydev;
1400
1401         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1402                 return 0;
1403
1404         /* Bring the PHY back to a known state. */
1405         tg3_bmcr_reset(tp);
1406
1407         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1408
1409         /* Attach the MAC to the PHY. */
1410         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1411                              phydev->dev_flags, phydev->interface);
1412         if (IS_ERR(phydev)) {
1413                 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1414                 return PTR_ERR(phydev);
1415         }
1416
1417         /* Mask with MAC supported features. */
1418         switch (phydev->interface) {
1419         case PHY_INTERFACE_MODE_GMII:
1420         case PHY_INTERFACE_MODE_RGMII:
1421                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1422                         phydev->supported &= (PHY_GBIT_FEATURES |
1423                                               SUPPORTED_Pause |
1424                                               SUPPORTED_Asym_Pause);
1425                         break;
1426                 }
1427                 /* fallthru */
1428         case PHY_INTERFACE_MODE_MII:
1429                 phydev->supported &= (PHY_BASIC_FEATURES |
1430                                       SUPPORTED_Pause |
1431                                       SUPPORTED_Asym_Pause);
1432                 break;
1433         default:
1434                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1435                 return -EINVAL;
1436         }
1437
1438         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1439
1440         phydev->advertising = phydev->supported;
1441
1442         return 0;
1443 }
1444
1445 static void tg3_phy_start(struct tg3 *tp)
1446 {
1447         struct phy_device *phydev;
1448
1449         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1450                 return;
1451
1452         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1453
1454         if (tp->link_config.phy_is_low_power) {
1455                 tp->link_config.phy_is_low_power = 0;
1456                 phydev->speed = tp->link_config.orig_speed;
1457                 phydev->duplex = tp->link_config.orig_duplex;
1458                 phydev->autoneg = tp->link_config.orig_autoneg;
1459                 phydev->advertising = tp->link_config.orig_advertising;
1460         }
1461
1462         phy_start(phydev);
1463
1464         phy_start_aneg(phydev);
1465 }
1466
1467 static void tg3_phy_stop(struct tg3 *tp)
1468 {
1469         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1470                 return;
1471
1472         phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
1473 }
1474
1475 static void tg3_phy_fini(struct tg3 *tp)
1476 {
1477         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1478                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1479                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1480         }
1481 }
1482
1483 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1484 {
1485         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1486         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1487 }
1488
1489 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1490 {
1491         u32 phytest;
1492
1493         if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1494                 u32 phy;
1495
1496                 tg3_writephy(tp, MII_TG3_FET_TEST,
1497                              phytest | MII_TG3_FET_SHADOW_EN);
1498                 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1499                         if (enable)
1500                                 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1501                         else
1502                                 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1503                         tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1504                 }
1505                 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1506         }
1507 }
1508
1509 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1510 {
1511         u32 reg;
1512
1513         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
1514                 return;
1515
1516         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1517                 tg3_phy_fet_toggle_apd(tp, enable);
1518                 return;
1519         }
1520
1521         reg = MII_TG3_MISC_SHDW_WREN |
1522               MII_TG3_MISC_SHDW_SCR5_SEL |
1523               MII_TG3_MISC_SHDW_SCR5_LPED |
1524               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1525               MII_TG3_MISC_SHDW_SCR5_SDTL |
1526               MII_TG3_MISC_SHDW_SCR5_C125OE;
1527         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1528                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1529
1530         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1531
1532
1533         reg = MII_TG3_MISC_SHDW_WREN |
1534               MII_TG3_MISC_SHDW_APD_SEL |
1535               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1536         if (enable)
1537                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1538
1539         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1540 }
1541
1542 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1543 {
1544         u32 phy;
1545
1546         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1547             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1548                 return;
1549
1550         if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1551                 u32 ephy;
1552
1553                 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1554                         u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1555
1556                         tg3_writephy(tp, MII_TG3_FET_TEST,
1557                                      ephy | MII_TG3_FET_SHADOW_EN);
1558                         if (!tg3_readphy(tp, reg, &phy)) {
1559                                 if (enable)
1560                                         phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1561                                 else
1562                                         phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1563                                 tg3_writephy(tp, reg, phy);
1564                         }
1565                         tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1566                 }
1567         } else {
1568                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1569                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1570                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1571                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1572                         if (enable)
1573                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1574                         else
1575                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1576                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1577                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1578                 }
1579         }
1580 }
1581
1582 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1583 {
1584         u32 val;
1585
1586         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1587                 return;
1588
1589         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1590             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1591                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1592                              (val | (1 << 15) | (1 << 4)));
1593 }
1594
1595 static void tg3_phy_apply_otp(struct tg3 *tp)
1596 {
1597         u32 otp, phy;
1598
1599         if (!tp->phy_otp)
1600                 return;
1601
1602         otp = tp->phy_otp;
1603
1604         /* Enable SM_DSP clock and tx 6dB coding. */
1605         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1606               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1607               MII_TG3_AUXCTL_ACTL_TX_6DB;
1608         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1609
1610         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1611         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1612         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1613
1614         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1615               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1616         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1617
1618         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1619         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1620         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1621
1622         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1623         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1624
1625         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1626         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1627
1628         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1629               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1630         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1631
1632         /* Turn off SM_DSP clock. */
1633         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1634               MII_TG3_AUXCTL_ACTL_TX_6DB;
1635         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1636 }
1637
1638 static int tg3_wait_macro_done(struct tg3 *tp)
1639 {
1640         int limit = 100;
1641
1642         while (limit--) {
1643                 u32 tmp32;
1644
1645                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1646                         if ((tmp32 & 0x1000) == 0)
1647                                 break;
1648                 }
1649         }
1650         if (limit < 0)
1651                 return -EBUSY;
1652
1653         return 0;
1654 }
1655
1656 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1657 {
1658         static const u32 test_pat[4][6] = {
1659         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1660         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1661         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1662         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1663         };
1664         int chan;
1665
1666         for (chan = 0; chan < 4; chan++) {
1667                 int i;
1668
1669                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1670                              (chan * 0x2000) | 0x0200);
1671                 tg3_writephy(tp, 0x16, 0x0002);
1672
1673                 for (i = 0; i < 6; i++)
1674                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1675                                      test_pat[chan][i]);
1676
1677                 tg3_writephy(tp, 0x16, 0x0202);
1678                 if (tg3_wait_macro_done(tp)) {
1679                         *resetp = 1;
1680                         return -EBUSY;
1681                 }
1682
1683                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1684                              (chan * 0x2000) | 0x0200);
1685                 tg3_writephy(tp, 0x16, 0x0082);
1686                 if (tg3_wait_macro_done(tp)) {
1687                         *resetp = 1;
1688                         return -EBUSY;
1689                 }
1690
1691                 tg3_writephy(tp, 0x16, 0x0802);
1692                 if (tg3_wait_macro_done(tp)) {
1693                         *resetp = 1;
1694                         return -EBUSY;
1695                 }
1696
1697                 for (i = 0; i < 6; i += 2) {
1698                         u32 low, high;
1699
1700                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1701                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1702                             tg3_wait_macro_done(tp)) {
1703                                 *resetp = 1;
1704                                 return -EBUSY;
1705                         }
1706                         low &= 0x7fff;
1707                         high &= 0x000f;
1708                         if (low != test_pat[chan][i] ||
1709                             high != test_pat[chan][i+1]) {
1710                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1711                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1712                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1713
1714                                 return -EBUSY;
1715                         }
1716                 }
1717         }
1718
1719         return 0;
1720 }
1721
1722 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1723 {
1724         int chan;
1725
1726         for (chan = 0; chan < 4; chan++) {
1727                 int i;
1728
1729                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1730                              (chan * 0x2000) | 0x0200);
1731                 tg3_writephy(tp, 0x16, 0x0002);
1732                 for (i = 0; i < 6; i++)
1733                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1734                 tg3_writephy(tp, 0x16, 0x0202);
1735                 if (tg3_wait_macro_done(tp))
1736                         return -EBUSY;
1737         }
1738
1739         return 0;
1740 }
1741
1742 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1743 {
1744         u32 reg32, phy9_orig;
1745         int retries, do_phy_reset, err;
1746
1747         retries = 10;
1748         do_phy_reset = 1;
1749         do {
1750                 if (do_phy_reset) {
1751                         err = tg3_bmcr_reset(tp);
1752                         if (err)
1753                                 return err;
1754                         do_phy_reset = 0;
1755                 }
1756
1757                 /* Disable transmitter and interrupt.  */
1758                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1759                         continue;
1760
1761                 reg32 |= 0x3000;
1762                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1763
1764                 /* Set full-duplex, 1000 mbps.  */
1765                 tg3_writephy(tp, MII_BMCR,
1766                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1767
1768                 /* Set to master mode.  */
1769                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1770                         continue;
1771
1772                 tg3_writephy(tp, MII_TG3_CTRL,
1773                              (MII_TG3_CTRL_AS_MASTER |
1774                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1775
1776                 /* Enable SM_DSP_CLOCK and 6dB.  */
1777                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1778
1779                 /* Block the PHY control access.  */
1780                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1781                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1782
1783                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1784                 if (!err)
1785                         break;
1786         } while (--retries);
1787
1788         err = tg3_phy_reset_chanpat(tp);
1789         if (err)
1790                 return err;
1791
1792         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1793         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1794
1795         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1796         tg3_writephy(tp, 0x16, 0x0000);
1797
1798         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1799             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1800                 /* Set Extended packet length bit for jumbo frames */
1801                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1802         }
1803         else {
1804                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1805         }
1806
1807         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1808
1809         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1810                 reg32 &= ~0x3000;
1811                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1812         } else if (!err)
1813                 err = -EBUSY;
1814
1815         return err;
1816 }
1817
1818 /* This will reset the tigon3 PHY if there is no valid
1819  * link unless the FORCE argument is non-zero.
1820  */
1821 static int tg3_phy_reset(struct tg3 *tp)
1822 {
1823         u32 cpmuctrl;
1824         u32 phy_status;
1825         int err;
1826
1827         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1828                 u32 val;
1829
1830                 val = tr32(GRC_MISC_CFG);
1831                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1832                 udelay(40);
1833         }
1834         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1835         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1836         if (err != 0)
1837                 return -EBUSY;
1838
1839         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1840                 netif_carrier_off(tp->dev);
1841                 tg3_link_report(tp);
1842         }
1843
1844         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1845             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1846             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1847                 err = tg3_phy_reset_5703_4_5(tp);
1848                 if (err)
1849                         return err;
1850                 goto out;
1851         }
1852
1853         cpmuctrl = 0;
1854         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1855             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1856                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1857                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1858                         tw32(TG3_CPMU_CTRL,
1859                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1860         }
1861
1862         err = tg3_bmcr_reset(tp);
1863         if (err)
1864                 return err;
1865
1866         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1867                 u32 phy;
1868
1869                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1870                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1871
1872                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1873         }
1874
1875         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1876             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1877                 u32 val;
1878
1879                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1880                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1881                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1882                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1883                         udelay(40);
1884                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1885                 }
1886         }
1887
1888         tg3_phy_apply_otp(tp);
1889
1890         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1891                 tg3_phy_toggle_apd(tp, true);
1892         else
1893                 tg3_phy_toggle_apd(tp, false);
1894
1895 out:
1896         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1897                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1898                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1899                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1900                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1901                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1902                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1903         }
1904         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1905                 tg3_writephy(tp, 0x1c, 0x8d68);
1906                 tg3_writephy(tp, 0x1c, 0x8d68);
1907         }
1908         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1909                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1910                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1911                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1912                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1913                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1914                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1915                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1916                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1917         }
1918         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1919                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1920                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1921                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1922                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1923                         tg3_writephy(tp, MII_TG3_TEST1,
1924                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1925                 } else
1926                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1927                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1928         }
1929         /* Set Extended packet length bit (bit 14) on all chips that */
1930         /* support jumbo frames */
1931         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1932                 /* Cannot do read-modify-write on 5401 */
1933                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1934         } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1935                 u32 phy_reg;
1936
1937                 /* Set bit 14 with read-modify-write to preserve other bits */
1938                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1939                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1940                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1941         }
1942
1943         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1944          * jumbo frames transmission.
1945          */
1946         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1947                 u32 phy_reg;
1948
1949                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1950                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1951                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1952         }
1953
1954         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1955                 /* adjust output voltage */
1956                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
1957         }
1958
1959         tg3_phy_toggle_automdix(tp, 1);
1960         tg3_phy_set_wirespeed(tp);
1961         return 0;
1962 }
1963
1964 static void tg3_frob_aux_power(struct tg3 *tp)
1965 {
1966         struct tg3 *tp_peer = tp;
1967
1968         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1969                 return;
1970
1971         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1972             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1973                 struct net_device *dev_peer;
1974
1975                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1976                 /* remove_one() may have been run on the peer. */
1977                 if (!dev_peer)
1978                         tp_peer = tp;
1979                 else
1980                         tp_peer = netdev_priv(dev_peer);
1981         }
1982
1983         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1984             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1985             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1986             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1987                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1988                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1989                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1990                                     (GRC_LCLCTRL_GPIO_OE0 |
1991                                      GRC_LCLCTRL_GPIO_OE1 |
1992                                      GRC_LCLCTRL_GPIO_OE2 |
1993                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1994                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1995                                     100);
1996                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
1997                            tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
1998                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
1999                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2000                                              GRC_LCLCTRL_GPIO_OE1 |
2001                                              GRC_LCLCTRL_GPIO_OE2 |
2002                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
2003                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
2004                                              tp->grc_local_ctrl;
2005                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2006
2007                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2008                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2009
2010                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2011                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2012                 } else {
2013                         u32 no_gpio2;
2014                         u32 grc_local_ctrl = 0;
2015
2016                         if (tp_peer != tp &&
2017                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2018                                 return;
2019
2020                         /* Workaround to prevent overdrawing Amps. */
2021                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2022                             ASIC_REV_5714) {
2023                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2024                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2025                                             grc_local_ctrl, 100);
2026                         }
2027
2028                         /* On 5753 and variants, GPIO2 cannot be used. */
2029                         no_gpio2 = tp->nic_sram_data_cfg &
2030                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
2031
2032                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2033                                          GRC_LCLCTRL_GPIO_OE1 |
2034                                          GRC_LCLCTRL_GPIO_OE2 |
2035                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
2036                                          GRC_LCLCTRL_GPIO_OUTPUT2;
2037                         if (no_gpio2) {
2038                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2039                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
2040                         }
2041                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2042                                                     grc_local_ctrl, 100);
2043
2044                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2045
2046                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2047                                                     grc_local_ctrl, 100);
2048
2049                         if (!no_gpio2) {
2050                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2051                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2052                                             grc_local_ctrl, 100);
2053                         }
2054                 }
2055         } else {
2056                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2057                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2058                         if (tp_peer != tp &&
2059                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2060                                 return;
2061
2062                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2063                                     (GRC_LCLCTRL_GPIO_OE1 |
2064                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2065
2066                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2067                                     GRC_LCLCTRL_GPIO_OE1, 100);
2068
2069                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2070                                     (GRC_LCLCTRL_GPIO_OE1 |
2071                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2072                 }
2073         }
2074 }
2075
2076 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2077 {
2078         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2079                 return 1;
2080         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2081                 if (speed != SPEED_10)
2082                         return 1;
2083         } else if (speed == SPEED_10)
2084                 return 1;
2085
2086         return 0;
2087 }
2088
2089 static int tg3_setup_phy(struct tg3 *, int);
2090
2091 #define RESET_KIND_SHUTDOWN     0
2092 #define RESET_KIND_INIT         1
2093 #define RESET_KIND_SUSPEND      2
2094
2095 static void tg3_write_sig_post_reset(struct tg3 *, int);
2096 static int tg3_halt_cpu(struct tg3 *, u32);
2097
2098 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2099 {
2100         u32 val;
2101
2102         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2103                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2104                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2105                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2106
2107                         sg_dig_ctrl |=
2108                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2109                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2110                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2111                 }
2112                 return;
2113         }
2114
2115         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2116                 tg3_bmcr_reset(tp);
2117                 val = tr32(GRC_MISC_CFG);
2118                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2119                 udelay(40);
2120                 return;
2121         } else if (do_low_power) {
2122                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2123                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2124
2125                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2126                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2127                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2128                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2129                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2130         }
2131
2132         /* The PHY should not be powered down on some chips because
2133          * of bugs.
2134          */
2135         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2136             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2137             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2138              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2139                 return;
2140
2141         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2142             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2143                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2144                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2145                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2146                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2147         }
2148
2149         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2150 }
2151
2152 /* tp->lock is held. */
2153 static int tg3_nvram_lock(struct tg3 *tp)
2154 {
2155         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2156                 int i;
2157
2158                 if (tp->nvram_lock_cnt == 0) {
2159                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2160                         for (i = 0; i < 8000; i++) {
2161                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2162                                         break;
2163                                 udelay(20);
2164                         }
2165                         if (i == 8000) {
2166                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2167                                 return -ENODEV;
2168                         }
2169                 }
2170                 tp->nvram_lock_cnt++;
2171         }
2172         return 0;
2173 }
2174
2175 /* tp->lock is held. */
2176 static void tg3_nvram_unlock(struct tg3 *tp)
2177 {
2178         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2179                 if (tp->nvram_lock_cnt > 0)
2180                         tp->nvram_lock_cnt--;
2181                 if (tp->nvram_lock_cnt == 0)
2182                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2183         }
2184 }
2185
2186 /* tp->lock is held. */
2187 static void tg3_enable_nvram_access(struct tg3 *tp)
2188 {
2189         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2190             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2191                 u32 nvaccess = tr32(NVRAM_ACCESS);
2192
2193                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2194         }
2195 }
2196
2197 /* tp->lock is held. */
2198 static void tg3_disable_nvram_access(struct tg3 *tp)
2199 {
2200         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2201             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2202                 u32 nvaccess = tr32(NVRAM_ACCESS);
2203
2204                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2205         }
2206 }
2207
2208 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2209                                         u32 offset, u32 *val)
2210 {
2211         u32 tmp;
2212         int i;
2213
2214         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2215                 return -EINVAL;
2216
2217         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2218                                         EEPROM_ADDR_DEVID_MASK |
2219                                         EEPROM_ADDR_READ);
2220         tw32(GRC_EEPROM_ADDR,
2221              tmp |
2222              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2223              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2224               EEPROM_ADDR_ADDR_MASK) |
2225              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2226
2227         for (i = 0; i < 1000; i++) {
2228                 tmp = tr32(GRC_EEPROM_ADDR);
2229
2230                 if (tmp & EEPROM_ADDR_COMPLETE)
2231                         break;
2232                 msleep(1);
2233         }
2234         if (!(tmp & EEPROM_ADDR_COMPLETE))
2235                 return -EBUSY;
2236
2237         tmp = tr32(GRC_EEPROM_DATA);
2238
2239         /*
2240          * The data will always be opposite the native endian
2241          * format.  Perform a blind byteswap to compensate.
2242          */
2243         *val = swab32(tmp);
2244
2245         return 0;
2246 }
2247
2248 #define NVRAM_CMD_TIMEOUT 10000
2249
2250 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2251 {
2252         int i;
2253
2254         tw32(NVRAM_CMD, nvram_cmd);
2255         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2256                 udelay(10);
2257                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2258                         udelay(10);
2259                         break;
2260                 }
2261         }
2262
2263         if (i == NVRAM_CMD_TIMEOUT)
2264                 return -EBUSY;
2265
2266         return 0;
2267 }
2268
2269 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2270 {
2271         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2272             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2273             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2274            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2275             (tp->nvram_jedecnum == JEDEC_ATMEL))
2276
2277                 addr = ((addr / tp->nvram_pagesize) <<
2278                         ATMEL_AT45DB0X1B_PAGE_POS) +
2279                        (addr % tp->nvram_pagesize);
2280
2281         return addr;
2282 }
2283
2284 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2285 {
2286         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2287             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2288             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2289            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2290             (tp->nvram_jedecnum == JEDEC_ATMEL))
2291
2292                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2293                         tp->nvram_pagesize) +
2294                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2295
2296         return addr;
2297 }
2298
2299 /* NOTE: Data read in from NVRAM is byteswapped according to
2300  * the byteswapping settings for all other register accesses.
2301  * tg3 devices are BE devices, so on a BE machine, the data
2302  * returned will be exactly as it is seen in NVRAM.  On a LE
2303  * machine, the 32-bit value will be byteswapped.
2304  */
2305 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2306 {
2307         int ret;
2308
2309         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2310                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2311
2312         offset = tg3_nvram_phys_addr(tp, offset);
2313
2314         if (offset > NVRAM_ADDR_MSK)
2315                 return -EINVAL;
2316
2317         ret = tg3_nvram_lock(tp);
2318         if (ret)
2319                 return ret;
2320
2321         tg3_enable_nvram_access(tp);
2322
2323         tw32(NVRAM_ADDR, offset);
2324         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2325                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2326
2327         if (ret == 0)
2328                 *val = tr32(NVRAM_RDDATA);
2329
2330         tg3_disable_nvram_access(tp);
2331
2332         tg3_nvram_unlock(tp);
2333
2334         return ret;
2335 }
2336
2337 /* Ensures NVRAM data is in bytestream format. */
2338 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2339 {
2340         u32 v;
2341         int res = tg3_nvram_read(tp, offset, &v);
2342         if (!res)
2343                 *val = cpu_to_be32(v);
2344         return res;
2345 }
2346
2347 /* tp->lock is held. */
2348 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2349 {
2350         u32 addr_high, addr_low;
2351         int i;
2352
2353         addr_high = ((tp->dev->dev_addr[0] << 8) |
2354                      tp->dev->dev_addr[1]);
2355         addr_low = ((tp->dev->dev_addr[2] << 24) |
2356                     (tp->dev->dev_addr[3] << 16) |
2357                     (tp->dev->dev_addr[4] <<  8) |
2358                     (tp->dev->dev_addr[5] <<  0));
2359         for (i = 0; i < 4; i++) {
2360                 if (i == 1 && skip_mac_1)
2361                         continue;
2362                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2363                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2364         }
2365
2366         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2367             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2368                 for (i = 0; i < 12; i++) {
2369                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2370                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2371                 }
2372         }
2373
2374         addr_high = (tp->dev->dev_addr[0] +
2375                      tp->dev->dev_addr[1] +
2376                      tp->dev->dev_addr[2] +
2377                      tp->dev->dev_addr[3] +
2378                      tp->dev->dev_addr[4] +
2379                      tp->dev->dev_addr[5]) &
2380                 TX_BACKOFF_SEED_MASK;
2381         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2382 }
2383
2384 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2385 {
2386         u32 misc_host_ctrl;
2387         bool device_should_wake, do_low_power;
2388
2389         /* Make sure register accesses (indirect or otherwise)
2390          * will function correctly.
2391          */
2392         pci_write_config_dword(tp->pdev,
2393                                TG3PCI_MISC_HOST_CTRL,
2394                                tp->misc_host_ctrl);
2395
2396         switch (state) {
2397         case PCI_D0:
2398                 pci_enable_wake(tp->pdev, state, false);
2399                 pci_set_power_state(tp->pdev, PCI_D0);
2400
2401                 /* Switch out of Vaux if it is a NIC */
2402                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2403                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2404
2405                 return 0;
2406
2407         case PCI_D1:
2408         case PCI_D2:
2409         case PCI_D3hot:
2410                 break;
2411
2412         default:
2413                 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2414                         tp->dev->name, state);
2415                 return -EINVAL;
2416         }
2417
2418         /* Restore the CLKREQ setting. */
2419         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2420                 u16 lnkctl;
2421
2422                 pci_read_config_word(tp->pdev,
2423                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2424                                      &lnkctl);
2425                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2426                 pci_write_config_word(tp->pdev,
2427                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2428                                       lnkctl);
2429         }
2430
2431         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2432         tw32(TG3PCI_MISC_HOST_CTRL,
2433              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2434
2435         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2436                              device_may_wakeup(&tp->pdev->dev) &&
2437                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2438
2439         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2440                 do_low_power = false;
2441                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2442                     !tp->link_config.phy_is_low_power) {
2443                         struct phy_device *phydev;
2444                         u32 phyid, advertising;
2445
2446                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
2447
2448                         tp->link_config.phy_is_low_power = 1;
2449
2450                         tp->link_config.orig_speed = phydev->speed;
2451                         tp->link_config.orig_duplex = phydev->duplex;
2452                         tp->link_config.orig_autoneg = phydev->autoneg;
2453                         tp->link_config.orig_advertising = phydev->advertising;
2454
2455                         advertising = ADVERTISED_TP |
2456                                       ADVERTISED_Pause |
2457                                       ADVERTISED_Autoneg |
2458                                       ADVERTISED_10baseT_Half;
2459
2460                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2461                             device_should_wake) {
2462                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2463                                         advertising |=
2464                                                 ADVERTISED_100baseT_Half |
2465                                                 ADVERTISED_100baseT_Full |
2466                                                 ADVERTISED_10baseT_Full;
2467                                 else
2468                                         advertising |= ADVERTISED_10baseT_Full;
2469                         }
2470
2471                         phydev->advertising = advertising;
2472
2473                         phy_start_aneg(phydev);
2474
2475                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2476                         if (phyid != TG3_PHY_ID_BCMAC131) {
2477                                 phyid &= TG3_PHY_OUI_MASK;
2478                                 if (phyid == TG3_PHY_OUI_1 ||
2479                                     phyid == TG3_PHY_OUI_2 ||
2480                                     phyid == TG3_PHY_OUI_3)
2481                                         do_low_power = true;
2482                         }
2483                 }
2484         } else {
2485                 do_low_power = true;
2486
2487                 if (tp->link_config.phy_is_low_power == 0) {
2488                         tp->link_config.phy_is_low_power = 1;
2489                         tp->link_config.orig_speed = tp->link_config.speed;
2490                         tp->link_config.orig_duplex = tp->link_config.duplex;
2491                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2492                 }
2493
2494                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2495                         tp->link_config.speed = SPEED_10;
2496                         tp->link_config.duplex = DUPLEX_HALF;
2497                         tp->link_config.autoneg = AUTONEG_ENABLE;
2498                         tg3_setup_phy(tp, 0);
2499                 }
2500         }
2501
2502         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2503                 u32 val;
2504
2505                 val = tr32(GRC_VCPU_EXT_CTRL);
2506                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2507         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2508                 int i;
2509                 u32 val;
2510
2511                 for (i = 0; i < 200; i++) {
2512                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2513                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2514                                 break;
2515                         msleep(1);
2516                 }
2517         }
2518         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2519                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2520                                                      WOL_DRV_STATE_SHUTDOWN |
2521                                                      WOL_DRV_WOL |
2522                                                      WOL_SET_MAGIC_PKT);
2523
2524         if (device_should_wake) {
2525                 u32 mac_mode;
2526
2527                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2528                         if (do_low_power) {
2529                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2530                                 udelay(40);
2531                         }
2532
2533                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2534                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2535                         else
2536                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2537
2538                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2539                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2540                             ASIC_REV_5700) {
2541                                 u32 speed = (tp->tg3_flags &
2542                                              TG3_FLAG_WOL_SPEED_100MB) ?
2543                                              SPEED_100 : SPEED_10;
2544                                 if (tg3_5700_link_polarity(tp, speed))
2545                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2546                                 else
2547                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2548                         }
2549                 } else {
2550                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2551                 }
2552
2553                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2554                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2555
2556                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2557                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2558                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2559                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2560                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2561                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2562
2563                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2564                         mac_mode |= tp->mac_mode &
2565                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2566                         if (mac_mode & MAC_MODE_APE_TX_EN)
2567                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2568                 }
2569
2570                 tw32_f(MAC_MODE, mac_mode);
2571                 udelay(100);
2572
2573                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2574                 udelay(10);
2575         }
2576
2577         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2578             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2579              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2580                 u32 base_val;
2581
2582                 base_val = tp->pci_clock_ctrl;
2583                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2584                              CLOCK_CTRL_TXCLK_DISABLE);
2585
2586                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2587                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2588         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2589                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2590                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2591                 /* do nothing */
2592         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2593                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2594                 u32 newbits1, newbits2;
2595
2596                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2597                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2598                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2599                                     CLOCK_CTRL_TXCLK_DISABLE |
2600                                     CLOCK_CTRL_ALTCLK);
2601                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2602                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2603                         newbits1 = CLOCK_CTRL_625_CORE;
2604                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2605                 } else {
2606                         newbits1 = CLOCK_CTRL_ALTCLK;
2607                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2608                 }
2609
2610                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2611                             40);
2612
2613                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2614                             40);
2615
2616                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2617                         u32 newbits3;
2618
2619                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2620                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2621                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2622                                             CLOCK_CTRL_TXCLK_DISABLE |
2623                                             CLOCK_CTRL_44MHZ_CORE);
2624                         } else {
2625                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2626                         }
2627
2628                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2629                                     tp->pci_clock_ctrl | newbits3, 40);
2630                 }
2631         }
2632
2633         if (!(device_should_wake) &&
2634             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2635                 tg3_power_down_phy(tp, do_low_power);
2636
2637         tg3_frob_aux_power(tp);
2638
2639         /* Workaround for unstable PLL clock */
2640         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2641             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2642                 u32 val = tr32(0x7d00);
2643
2644                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2645                 tw32(0x7d00, val);
2646                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2647                         int err;
2648
2649                         err = tg3_nvram_lock(tp);
2650                         tg3_halt_cpu(tp, RX_CPU_BASE);
2651                         if (!err)
2652                                 tg3_nvram_unlock(tp);
2653                 }
2654         }
2655
2656         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2657
2658         if (device_should_wake)
2659                 pci_enable_wake(tp->pdev, state, true);
2660
2661         /* Finally, set the new power state. */
2662         pci_set_power_state(tp->pdev, state);
2663
2664         return 0;
2665 }
2666
2667 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2668 {
2669         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2670         case MII_TG3_AUX_STAT_10HALF:
2671                 *speed = SPEED_10;
2672                 *duplex = DUPLEX_HALF;
2673                 break;
2674
2675         case MII_TG3_AUX_STAT_10FULL:
2676                 *speed = SPEED_10;
2677                 *duplex = DUPLEX_FULL;
2678                 break;
2679
2680         case MII_TG3_AUX_STAT_100HALF:
2681                 *speed = SPEED_100;
2682                 *duplex = DUPLEX_HALF;
2683                 break;
2684
2685         case MII_TG3_AUX_STAT_100FULL:
2686                 *speed = SPEED_100;
2687                 *duplex = DUPLEX_FULL;
2688                 break;
2689
2690         case MII_TG3_AUX_STAT_1000HALF:
2691                 *speed = SPEED_1000;
2692                 *duplex = DUPLEX_HALF;
2693                 break;
2694
2695         case MII_TG3_AUX_STAT_1000FULL:
2696                 *speed = SPEED_1000;
2697                 *duplex = DUPLEX_FULL;
2698                 break;
2699
2700         default:
2701                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2702                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2703                                  SPEED_10;
2704                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2705                                   DUPLEX_HALF;
2706                         break;
2707                 }
2708                 *speed = SPEED_INVALID;
2709                 *duplex = DUPLEX_INVALID;
2710                 break;
2711         }
2712 }
2713
2714 static void tg3_phy_copper_begin(struct tg3 *tp)
2715 {
2716         u32 new_adv;
2717         int i;
2718
2719         if (tp->link_config.phy_is_low_power) {
2720                 /* Entering low power mode.  Disable gigabit and
2721                  * 100baseT advertisements.
2722                  */
2723                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2724
2725                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2726                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2727                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2728                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2729
2730                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2731         } else if (tp->link_config.speed == SPEED_INVALID) {
2732                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2733                         tp->link_config.advertising &=
2734                                 ~(ADVERTISED_1000baseT_Half |
2735                                   ADVERTISED_1000baseT_Full);
2736
2737                 new_adv = ADVERTISE_CSMA;
2738                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2739                         new_adv |= ADVERTISE_10HALF;
2740                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2741                         new_adv |= ADVERTISE_10FULL;
2742                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2743                         new_adv |= ADVERTISE_100HALF;
2744                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2745                         new_adv |= ADVERTISE_100FULL;
2746
2747                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2748
2749                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2750
2751                 if (tp->link_config.advertising &
2752                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2753                         new_adv = 0;
2754                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2755                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2756                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2757                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2758                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2759                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2760                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2761                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2762                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2763                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2764                 } else {
2765                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2766                 }
2767         } else {
2768                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2769                 new_adv |= ADVERTISE_CSMA;
2770
2771                 /* Asking for a specific link mode. */
2772                 if (tp->link_config.speed == SPEED_1000) {
2773                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2774
2775                         if (tp->link_config.duplex == DUPLEX_FULL)
2776                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2777                         else
2778                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2779                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2780                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2781                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2782                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2783                 } else {
2784                         if (tp->link_config.speed == SPEED_100) {
2785                                 if (tp->link_config.duplex == DUPLEX_FULL)
2786                                         new_adv |= ADVERTISE_100FULL;
2787                                 else
2788                                         new_adv |= ADVERTISE_100HALF;
2789                         } else {
2790                                 if (tp->link_config.duplex == DUPLEX_FULL)
2791                                         new_adv |= ADVERTISE_10FULL;
2792                                 else
2793                                         new_adv |= ADVERTISE_10HALF;
2794                         }
2795                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2796
2797                         new_adv = 0;
2798                 }
2799
2800                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2801         }
2802
2803         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2804             tp->link_config.speed != SPEED_INVALID) {
2805                 u32 bmcr, orig_bmcr;
2806
2807                 tp->link_config.active_speed = tp->link_config.speed;
2808                 tp->link_config.active_duplex = tp->link_config.duplex;
2809
2810                 bmcr = 0;
2811                 switch (tp->link_config.speed) {
2812                 default:
2813                 case SPEED_10:
2814                         break;
2815
2816                 case SPEED_100:
2817                         bmcr |= BMCR_SPEED100;
2818                         break;
2819
2820                 case SPEED_1000:
2821                         bmcr |= TG3_BMCR_SPEED1000;
2822                         break;
2823                 }
2824
2825                 if (tp->link_config.duplex == DUPLEX_FULL)
2826                         bmcr |= BMCR_FULLDPLX;
2827
2828                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2829                     (bmcr != orig_bmcr)) {
2830                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2831                         for (i = 0; i < 1500; i++) {
2832                                 u32 tmp;
2833
2834                                 udelay(10);
2835                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2836                                     tg3_readphy(tp, MII_BMSR, &tmp))
2837                                         continue;
2838                                 if (!(tmp & BMSR_LSTATUS)) {
2839                                         udelay(40);
2840                                         break;
2841                                 }
2842                         }
2843                         tg3_writephy(tp, MII_BMCR, bmcr);
2844                         udelay(40);
2845                 }
2846         } else {
2847                 tg3_writephy(tp, MII_BMCR,
2848                              BMCR_ANENABLE | BMCR_ANRESTART);
2849         }
2850 }
2851
2852 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2853 {
2854         int err;
2855
2856         /* Turn off tap power management. */
2857         /* Set Extended packet length bit */
2858         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2859
2860         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2861         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2862
2863         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2864         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2865
2866         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2867         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2868
2869         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2870         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2871
2872         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2873         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2874
2875         udelay(40);
2876
2877         return err;
2878 }
2879
2880 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2881 {
2882         u32 adv_reg, all_mask = 0;
2883
2884         if (mask & ADVERTISED_10baseT_Half)
2885                 all_mask |= ADVERTISE_10HALF;
2886         if (mask & ADVERTISED_10baseT_Full)
2887                 all_mask |= ADVERTISE_10FULL;
2888         if (mask & ADVERTISED_100baseT_Half)
2889                 all_mask |= ADVERTISE_100HALF;
2890         if (mask & ADVERTISED_100baseT_Full)
2891                 all_mask |= ADVERTISE_100FULL;
2892
2893         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2894                 return 0;
2895
2896         if ((adv_reg & all_mask) != all_mask)
2897                 return 0;
2898         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2899                 u32 tg3_ctrl;
2900
2901                 all_mask = 0;
2902                 if (mask & ADVERTISED_1000baseT_Half)
2903                         all_mask |= ADVERTISE_1000HALF;
2904                 if (mask & ADVERTISED_1000baseT_Full)
2905                         all_mask |= ADVERTISE_1000FULL;
2906
2907                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2908                         return 0;
2909
2910                 if ((tg3_ctrl & all_mask) != all_mask)
2911                         return 0;
2912         }
2913         return 1;
2914 }
2915
2916 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2917 {
2918         u32 curadv, reqadv;
2919
2920         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2921                 return 1;
2922
2923         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2924         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2925
2926         if (tp->link_config.active_duplex == DUPLEX_FULL) {
2927                 if (curadv != reqadv)
2928                         return 0;
2929
2930                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2931                         tg3_readphy(tp, MII_LPA, rmtadv);
2932         } else {
2933                 /* Reprogram the advertisement register, even if it
2934                  * does not affect the current link.  If the link
2935                  * gets renegotiated in the future, we can save an
2936                  * additional renegotiation cycle by advertising
2937                  * it correctly in the first place.
2938                  */
2939                 if (curadv != reqadv) {
2940                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
2941                                      ADVERTISE_PAUSE_ASYM);
2942                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
2943                 }
2944         }
2945
2946         return 1;
2947 }
2948
2949 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
2950 {
2951         int current_link_up;
2952         u32 bmsr, dummy;
2953         u32 lcl_adv, rmt_adv;
2954         u16 current_speed;
2955         u8 current_duplex;
2956         int i, err;
2957
2958         tw32(MAC_EVENT, 0);
2959
2960         tw32_f(MAC_STATUS,
2961              (MAC_STATUS_SYNC_CHANGED |
2962               MAC_STATUS_CFG_CHANGED |
2963               MAC_STATUS_MI_COMPLETION |
2964               MAC_STATUS_LNKSTATE_CHANGED));
2965         udelay(40);
2966
2967         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
2968                 tw32_f(MAC_MI_MODE,
2969                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
2970                 udelay(80);
2971         }
2972
2973         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
2974
2975         /* Some third-party PHYs need to be reset on link going
2976          * down.
2977          */
2978         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2979              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2980              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
2981             netif_carrier_ok(tp->dev)) {
2982                 tg3_readphy(tp, MII_BMSR, &bmsr);
2983                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2984                     !(bmsr & BMSR_LSTATUS))
2985                         force_reset = 1;
2986         }
2987         if (force_reset)
2988                 tg3_phy_reset(tp);
2989
2990         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
2991                 tg3_readphy(tp, MII_BMSR, &bmsr);
2992                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
2993                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
2994                         bmsr = 0;
2995
2996                 if (!(bmsr & BMSR_LSTATUS)) {
2997                         err = tg3_init_5401phy_dsp(tp);
2998                         if (err)
2999                                 return err;
3000
3001                         tg3_readphy(tp, MII_BMSR, &bmsr);
3002                         for (i = 0; i < 1000; i++) {
3003                                 udelay(10);
3004                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3005                                     (bmsr & BMSR_LSTATUS)) {
3006                                         udelay(40);
3007                                         break;
3008                                 }
3009                         }
3010
3011                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
3012                             !(bmsr & BMSR_LSTATUS) &&
3013                             tp->link_config.active_speed == SPEED_1000) {
3014                                 err = tg3_phy_reset(tp);
3015                                 if (!err)
3016                                         err = tg3_init_5401phy_dsp(tp);
3017                                 if (err)
3018                                         return err;
3019                         }
3020                 }
3021         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3022                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3023                 /* 5701 {A0,B0} CRC bug workaround */
3024                 tg3_writephy(tp, 0x15, 0x0a75);
3025                 tg3_writephy(tp, 0x1c, 0x8c68);
3026                 tg3_writephy(tp, 0x1c, 0x8d68);
3027                 tg3_writephy(tp, 0x1c, 0x8c68);
3028         }
3029
3030         /* Clear pending interrupts... */
3031         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3032         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3033
3034         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3035                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3036         else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
3037                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3038
3039         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3040             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3041                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3042                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
3043                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3044                 else
3045                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3046         }
3047
3048         current_link_up = 0;
3049         current_speed = SPEED_INVALID;
3050         current_duplex = DUPLEX_INVALID;
3051
3052         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3053                 u32 val;
3054
3055                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3056                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3057                 if (!(val & (1 << 10))) {
3058                         val |= (1 << 10);
3059                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3060                         goto relink;
3061                 }
3062         }
3063
3064         bmsr = 0;
3065         for (i = 0; i < 100; i++) {
3066                 tg3_readphy(tp, MII_BMSR, &bmsr);
3067                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3068                     (bmsr & BMSR_LSTATUS))
3069                         break;
3070                 udelay(40);
3071         }
3072
3073         if (bmsr & BMSR_LSTATUS) {
3074                 u32 aux_stat, bmcr;
3075
3076                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3077                 for (i = 0; i < 2000; i++) {
3078                         udelay(10);
3079                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3080                             aux_stat)
3081                                 break;
3082                 }
3083
3084                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3085                                              &current_speed,
3086                                              &current_duplex);
3087
3088                 bmcr = 0;
3089                 for (i = 0; i < 200; i++) {
3090                         tg3_readphy(tp, MII_BMCR, &bmcr);
3091                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3092                                 continue;
3093                         if (bmcr && bmcr != 0x7fff)
3094                                 break;
3095                         udelay(10);
3096                 }
3097
3098                 lcl_adv = 0;
3099                 rmt_adv = 0;
3100
3101                 tp->link_config.active_speed = current_speed;
3102                 tp->link_config.active_duplex = current_duplex;
3103
3104                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3105                         if ((bmcr & BMCR_ANENABLE) &&
3106                             tg3_copper_is_advertising_all(tp,
3107                                                 tp->link_config.advertising)) {
3108                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3109                                                                   &rmt_adv))
3110                                         current_link_up = 1;
3111                         }
3112                 } else {
3113                         if (!(bmcr & BMCR_ANENABLE) &&
3114                             tp->link_config.speed == current_speed &&
3115                             tp->link_config.duplex == current_duplex &&
3116                             tp->link_config.flowctrl ==
3117                             tp->link_config.active_flowctrl) {
3118                                 current_link_up = 1;
3119                         }
3120                 }
3121
3122                 if (current_link_up == 1 &&
3123                     tp->link_config.active_duplex == DUPLEX_FULL)
3124                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3125         }
3126
3127 relink:
3128         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3129                 u32 tmp;
3130
3131                 tg3_phy_copper_begin(tp);
3132
3133                 tg3_readphy(tp, MII_BMSR, &tmp);
3134                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3135                     (tmp & BMSR_LSTATUS))
3136                         current_link_up = 1;
3137         }
3138
3139         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3140         if (current_link_up == 1) {
3141                 if (tp->link_config.active_speed == SPEED_100 ||
3142                     tp->link_config.active_speed == SPEED_10)
3143                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3144                 else
3145                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3146         } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3147                 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3148         else
3149                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3150
3151         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3152         if (tp->link_config.active_duplex == DUPLEX_HALF)
3153                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3154
3155         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3156                 if (current_link_up == 1 &&
3157                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3158                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3159                 else
3160                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3161         }
3162
3163         /* ??? Without this setting Netgear GA302T PHY does not
3164          * ??? send/receive packets...
3165          */
3166         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3167             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3168                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3169                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3170                 udelay(80);
3171         }
3172
3173         tw32_f(MAC_MODE, tp->mac_mode);
3174         udelay(40);
3175
3176         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3177                 /* Polled via timer. */
3178                 tw32_f(MAC_EVENT, 0);
3179         } else {
3180                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3181         }
3182         udelay(40);
3183
3184         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3185             current_link_up == 1 &&
3186             tp->link_config.active_speed == SPEED_1000 &&
3187             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3188              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3189                 udelay(120);
3190                 tw32_f(MAC_STATUS,
3191                      (MAC_STATUS_SYNC_CHANGED |
3192                       MAC_STATUS_CFG_CHANGED));
3193                 udelay(40);
3194                 tg3_write_mem(tp,
3195                               NIC_SRAM_FIRMWARE_MBOX,
3196                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3197         }
3198
3199         /* Prevent send BD corruption. */
3200         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3201                 u16 oldlnkctl, newlnkctl;
3202
3203                 pci_read_config_word(tp->pdev,
3204                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3205                                      &oldlnkctl);
3206                 if (tp->link_config.active_speed == SPEED_100 ||
3207                     tp->link_config.active_speed == SPEED_10)
3208                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3209                 else
3210                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3211                 if (newlnkctl != oldlnkctl)
3212                         pci_write_config_word(tp->pdev,
3213                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3214                                               newlnkctl);
3215         } else if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
3216                 u32 newreg, oldreg = tr32(TG3_PCIE_LNKCTL);
3217                 if (tp->link_config.active_speed == SPEED_100 ||
3218                     tp->link_config.active_speed == SPEED_10)
3219                         newreg = oldreg & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
3220                 else
3221                         newreg = oldreg | TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
3222                 if (newreg != oldreg)
3223                         tw32(TG3_PCIE_LNKCTL, newreg);
3224         }
3225
3226         if (current_link_up != netif_carrier_ok(tp->dev)) {
3227                 if (current_link_up)
3228                         netif_carrier_on(tp->dev);
3229                 else
3230                         netif_carrier_off(tp->dev);
3231                 tg3_link_report(tp);
3232         }
3233
3234         return 0;
3235 }
3236
3237 struct tg3_fiber_aneginfo {
3238         int state;
3239 #define ANEG_STATE_UNKNOWN              0
3240 #define ANEG_STATE_AN_ENABLE            1
3241 #define ANEG_STATE_RESTART_INIT         2
3242 #define ANEG_STATE_RESTART              3
3243 #define ANEG_STATE_DISABLE_LINK_OK      4
3244 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3245 #define ANEG_STATE_ABILITY_DETECT       6
3246 #define ANEG_STATE_ACK_DETECT_INIT      7
3247 #define ANEG_STATE_ACK_DETECT           8
3248 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3249 #define ANEG_STATE_COMPLETE_ACK         10
3250 #define ANEG_STATE_IDLE_DETECT_INIT     11
3251 #define ANEG_STATE_IDLE_DETECT          12
3252 #define ANEG_STATE_LINK_OK              13
3253 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3254 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3255
3256         u32 flags;
3257 #define MR_AN_ENABLE            0x00000001
3258 #define MR_RESTART_AN           0x00000002
3259 #define MR_AN_COMPLETE          0x00000004
3260 #define MR_PAGE_RX              0x00000008
3261 #define MR_NP_LOADED            0x00000010
3262 #define MR_TOGGLE_TX            0x00000020
3263 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3264 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3265 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3266 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3267 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3268 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3269 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3270 #define MR_TOGGLE_RX            0x00002000
3271 #define MR_NP_RX                0x00004000
3272
3273 #define MR_LINK_OK              0x80000000
3274
3275         unsigned long link_time, cur_time;
3276
3277         u32 ability_match_cfg;
3278         int ability_match_count;
3279
3280         char ability_match, idle_match, ack_match;
3281
3282         u32 txconfig, rxconfig;
3283 #define ANEG_CFG_NP             0x00000080
3284 #define ANEG_CFG_ACK            0x00000040
3285 #define ANEG_CFG_RF2            0x00000020
3286 #define ANEG_CFG_RF1            0x00000010
3287 #define ANEG_CFG_PS2            0x00000001
3288 #define ANEG_CFG_PS1            0x00008000
3289 #define ANEG_CFG_HD             0x00004000
3290 #define ANEG_CFG_FD             0x00002000
3291 #define ANEG_CFG_INVAL          0x00001f06
3292
3293 };
3294 #define ANEG_OK         0
3295 #define ANEG_DONE       1
3296 #define ANEG_TIMER_ENAB 2
3297 #define ANEG_FAILED     -1
3298
3299 #define ANEG_STATE_SETTLE_TIME  10000
3300
3301 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3302                                    struct tg3_fiber_aneginfo *ap)
3303 {
3304         u16 flowctrl;
3305         unsigned long delta;
3306         u32 rx_cfg_reg;
3307         int ret;
3308
3309         if (ap->state == ANEG_STATE_UNKNOWN) {
3310                 ap->rxconfig = 0;
3311                 ap->link_time = 0;
3312                 ap->cur_time = 0;
3313                 ap->ability_match_cfg = 0;
3314                 ap->ability_match_count = 0;
3315                 ap->ability_match = 0;
3316                 ap->idle_match = 0;
3317                 ap->ack_match = 0;
3318         }
3319         ap->cur_time++;
3320
3321         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3322                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3323
3324                 if (rx_cfg_reg != ap->ability_match_cfg) {
3325                         ap->ability_match_cfg = rx_cfg_reg;
3326                         ap->ability_match = 0;
3327                         ap->ability_match_count = 0;
3328                 } else {
3329                         if (++ap->ability_match_count > 1) {
3330                                 ap->ability_match = 1;
3331                                 ap->ability_match_cfg = rx_cfg_reg;
3332                         }
3333                 }
3334                 if (rx_cfg_reg & ANEG_CFG_ACK)
3335                         ap->ack_match = 1;
3336                 else
3337                         ap->ack_match = 0;
3338
3339                 ap->idle_match = 0;
3340         } else {
3341                 ap->idle_match = 1;
3342                 ap->ability_match_cfg = 0;
3343                 ap->ability_match_count = 0;
3344                 ap->ability_match = 0;
3345                 ap->ack_match = 0;
3346
3347                 rx_cfg_reg = 0;
3348         }
3349
3350         ap->rxconfig = rx_cfg_reg;
3351         ret = ANEG_OK;
3352
3353         switch(ap->state) {
3354         case ANEG_STATE_UNKNOWN:
3355                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3356                         ap->state = ANEG_STATE_AN_ENABLE;
3357
3358                 /* fallthru */
3359         case ANEG_STATE_AN_ENABLE:
3360                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3361                 if (ap->flags & MR_AN_ENABLE) {
3362                         ap->link_time = 0;
3363                         ap->cur_time = 0;
3364                         ap->ability_match_cfg = 0;
3365                         ap->ability_match_count = 0;
3366                         ap->ability_match = 0;
3367                         ap->idle_match = 0;
3368                         ap->ack_match = 0;
3369
3370                         ap->state = ANEG_STATE_RESTART_INIT;
3371                 } else {
3372                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3373                 }
3374                 break;
3375
3376         case ANEG_STATE_RESTART_INIT:
3377                 ap->link_time = ap->cur_time;
3378                 ap->flags &= ~(MR_NP_LOADED);
3379                 ap->txconfig = 0;
3380                 tw32(MAC_TX_AUTO_NEG, 0);
3381                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3382                 tw32_f(MAC_MODE, tp->mac_mode);
3383                 udelay(40);
3384
3385                 ret = ANEG_TIMER_ENAB;
3386                 ap->state = ANEG_STATE_RESTART;
3387
3388                 /* fallthru */
3389         case ANEG_STATE_RESTART:
3390                 delta = ap->cur_time - ap->link_time;
3391                 if (delta > ANEG_STATE_SETTLE_TIME) {
3392                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3393                 } else {
3394                         ret = ANEG_TIMER_ENAB;
3395                 }
3396                 break;
3397
3398         case ANEG_STATE_DISABLE_LINK_OK:
3399                 ret = ANEG_DONE;
3400                 break;
3401
3402         case ANEG_STATE_ABILITY_DETECT_INIT:
3403                 ap->flags &= ~(MR_TOGGLE_TX);
3404                 ap->txconfig = ANEG_CFG_FD;
3405                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3406                 if (flowctrl & ADVERTISE_1000XPAUSE)
3407                         ap->txconfig |= ANEG_CFG_PS1;
3408                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3409                         ap->txconfig |= ANEG_CFG_PS2;
3410                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3411                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3412                 tw32_f(MAC_MODE, tp->mac_mode);
3413                 udelay(40);
3414
3415                 ap->state = ANEG_STATE_ABILITY_DETECT;
3416                 break;
3417
3418         case ANEG_STATE_ABILITY_DETECT:
3419                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3420                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3421                 }
3422                 break;
3423
3424         case ANEG_STATE_ACK_DETECT_INIT:
3425                 ap->txconfig |= ANEG_CFG_ACK;
3426                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3427                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3428                 tw32_f(MAC_MODE, tp->mac_mode);
3429                 udelay(40);
3430
3431                 ap->state = ANEG_STATE_ACK_DETECT;
3432
3433                 /* fallthru */
3434         case ANEG_STATE_ACK_DETECT:
3435                 if (ap->ack_match != 0) {
3436                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3437                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3438                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3439                         } else {
3440                                 ap->state = ANEG_STATE_AN_ENABLE;
3441                         }
3442                 } else if (ap->ability_match != 0 &&
3443                            ap->rxconfig == 0) {
3444                         ap->state = ANEG_STATE_AN_ENABLE;
3445                 }
3446                 break;
3447
3448         case ANEG_STATE_COMPLETE_ACK_INIT:
3449                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3450                         ret = ANEG_FAILED;
3451                         break;
3452                 }
3453                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3454                                MR_LP_ADV_HALF_DUPLEX |
3455                                MR_LP_ADV_SYM_PAUSE |
3456                                MR_LP_ADV_ASYM_PAUSE |
3457                                MR_LP_ADV_REMOTE_FAULT1 |
3458                                MR_LP_ADV_REMOTE_FAULT2 |
3459                                MR_LP_ADV_NEXT_PAGE |
3460                                MR_TOGGLE_RX |
3461                                MR_NP_RX);
3462                 if (ap->rxconfig & ANEG_CFG_FD)
3463                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3464                 if (ap->rxconfig & ANEG_CFG_HD)
3465                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3466                 if (ap->rxconfig & ANEG_CFG_PS1)
3467                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3468                 if (ap->rxconfig & ANEG_CFG_PS2)
3469                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3470                 if (ap->rxconfig & ANEG_CFG_RF1)
3471                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3472                 if (ap->rxconfig & ANEG_CFG_RF2)
3473                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3474                 if (ap->rxconfig & ANEG_CFG_NP)
3475                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3476
3477                 ap->link_time = ap->cur_time;
3478
3479                 ap->flags ^= (MR_TOGGLE_TX);
3480                 if (ap->rxconfig & 0x0008)
3481                         ap->flags |= MR_TOGGLE_RX;
3482                 if (ap->rxconfig & ANEG_CFG_NP)
3483                         ap->flags |= MR_NP_RX;
3484                 ap->flags |= MR_PAGE_RX;
3485
3486                 ap->state = ANEG_STATE_COMPLETE_ACK;
3487                 ret = ANEG_TIMER_ENAB;
3488                 break;
3489
3490         case ANEG_STATE_COMPLETE_ACK:
3491                 if (ap->ability_match != 0 &&
3492                     ap->rxconfig == 0) {
3493                         ap->state = ANEG_STATE_AN_ENABLE;
3494                         break;
3495                 }
3496                 delta = ap->cur_time - ap->link_time;
3497                 if (delta > ANEG_STATE_SETTLE_TIME) {
3498                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3499                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3500                         } else {
3501                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3502                                     !(ap->flags & MR_NP_RX)) {
3503                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3504                                 } else {
3505                                         ret = ANEG_FAILED;
3506                                 }
3507                         }
3508                 }
3509                 break;
3510
3511         case ANEG_STATE_IDLE_DETECT_INIT:
3512                 ap->link_time = ap->cur_time;
3513                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3514                 tw32_f(MAC_MODE, tp->mac_mode);
3515                 udelay(40);
3516
3517                 ap->state = ANEG_STATE_IDLE_DETECT;
3518                 ret = ANEG_TIMER_ENAB;
3519                 break;
3520
3521         case ANEG_STATE_IDLE_DETECT:
3522                 if (ap->ability_match != 0 &&
3523                     ap->rxconfig == 0) {
3524                         ap->state = ANEG_STATE_AN_ENABLE;
3525                         break;
3526                 }
3527                 delta = ap->cur_time - ap->link_time;
3528                 if (delta > ANEG_STATE_SETTLE_TIME) {
3529                         /* XXX another gem from the Broadcom driver :( */
3530                         ap->state = ANEG_STATE_LINK_OK;
3531                 }
3532                 break;
3533
3534         case ANEG_STATE_LINK_OK:
3535                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3536                 ret = ANEG_DONE;
3537                 break;
3538
3539         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3540                 /* ??? unimplemented */
3541                 break;
3542
3543         case ANEG_STATE_NEXT_PAGE_WAIT:
3544                 /* ??? unimplemented */
3545                 break;
3546
3547         default:
3548                 ret = ANEG_FAILED;
3549                 break;
3550         }
3551
3552         return ret;
3553 }
3554
3555 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3556 {
3557         int res = 0;
3558         struct tg3_fiber_aneginfo aninfo;
3559         int status = ANEG_FAILED;
3560         unsigned int tick;
3561         u32 tmp;
3562
3563         tw32_f(MAC_TX_AUTO_NEG, 0);
3564
3565         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3566         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3567         udelay(40);
3568
3569         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3570         udelay(40);
3571
3572         memset(&aninfo, 0, sizeof(aninfo));
3573         aninfo.flags |= MR_AN_ENABLE;
3574         aninfo.state = ANEG_STATE_UNKNOWN;
3575         aninfo.cur_time = 0;
3576         tick = 0;
3577         while (++tick < 195000) {
3578                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3579                 if (status == ANEG_DONE || status == ANEG_FAILED)
3580                         break;
3581
3582                 udelay(1);
3583         }
3584
3585         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3586         tw32_f(MAC_MODE, tp->mac_mode);
3587         udelay(40);
3588
3589         *txflags = aninfo.txconfig;
3590         *rxflags = aninfo.flags;
3591
3592         if (status == ANEG_DONE &&
3593             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3594                              MR_LP_ADV_FULL_DUPLEX)))
3595                 res = 1;
3596
3597         return res;
3598 }
3599
3600 static void tg3_init_bcm8002(struct tg3 *tp)
3601 {
3602         u32 mac_status = tr32(MAC_STATUS);
3603         int i;
3604
3605         /* Reset when initting first time or we have a link. */
3606         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3607             !(mac_status & MAC_STATUS_PCS_SYNCED))
3608                 return;
3609
3610         /* Set PLL lock range. */
3611         tg3_writephy(tp, 0x16, 0x8007);
3612
3613         /* SW reset */
3614         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3615
3616         /* Wait for reset to complete. */
3617         /* XXX schedule_timeout() ... */
3618         for (i = 0; i < 500; i++)
3619                 udelay(10);
3620
3621         /* Config mode; select PMA/Ch 1 regs. */
3622         tg3_writephy(tp, 0x10, 0x8411);
3623
3624         /* Enable auto-lock and comdet, select txclk for tx. */
3625         tg3_writephy(tp, 0x11, 0x0a10);
3626
3627         tg3_writephy(tp, 0x18, 0x00a0);
3628         tg3_writephy(tp, 0x16, 0x41ff);
3629
3630         /* Assert and deassert POR. */
3631         tg3_writephy(tp, 0x13, 0x0400);
3632         udelay(40);
3633         tg3_writephy(tp, 0x13, 0x0000);
3634
3635         tg3_writephy(tp, 0x11, 0x0a50);
3636         udelay(40);
3637         tg3_writephy(tp, 0x11, 0x0a10);
3638
3639         /* Wait for signal to stabilize */
3640         /* XXX schedule_timeout() ... */
3641         for (i = 0; i < 15000; i++)
3642                 udelay(10);
3643
3644         /* Deselect the channel register so we can read the PHYID
3645          * later.
3646          */
3647         tg3_writephy(tp, 0x10, 0x8011);
3648 }
3649
3650 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3651 {
3652         u16 flowctrl;
3653         u32 sg_dig_ctrl, sg_dig_status;
3654         u32 serdes_cfg, expected_sg_dig_ctrl;
3655         int workaround, port_a;
3656         int current_link_up;
3657
3658         serdes_cfg = 0;
3659         expected_sg_dig_ctrl = 0;
3660         workaround = 0;
3661         port_a = 1;
3662         current_link_up = 0;
3663
3664         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3665             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3666                 workaround = 1;
3667                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3668                         port_a = 0;
3669
3670                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3671                 /* preserve bits 20-23 for voltage regulator */
3672                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3673         }
3674
3675         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3676
3677         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3678                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3679                         if (workaround) {
3680                                 u32 val = serdes_cfg;
3681
3682                                 if (port_a)
3683                                         val |= 0xc010000;
3684                                 else
3685                                         val |= 0x4010000;
3686                                 tw32_f(MAC_SERDES_CFG, val);
3687                         }
3688
3689                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3690                 }
3691                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3692                         tg3_setup_flow_control(tp, 0, 0);
3693                         current_link_up = 1;
3694                 }
3695                 goto out;
3696         }
3697
3698         /* Want auto-negotiation.  */
3699         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3700
3701         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3702         if (flowctrl & ADVERTISE_1000XPAUSE)
3703                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3704         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3705                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3706
3707         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3708                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3709                     tp->serdes_counter &&
3710                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3711                                     MAC_STATUS_RCVD_CFG)) ==
3712                      MAC_STATUS_PCS_SYNCED)) {
3713                         tp->serdes_counter--;
3714                         current_link_up = 1;
3715                         goto out;
3716                 }
3717 restart_autoneg:
3718                 if (workaround)
3719                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3720                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3721                 udelay(5);
3722                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3723
3724                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3725                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3726         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3727                                  MAC_STATUS_SIGNAL_DET)) {
3728                 sg_dig_status = tr32(SG_DIG_STATUS);
3729                 mac_status = tr32(MAC_STATUS);
3730
3731                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3732                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3733                         u32 local_adv = 0, remote_adv = 0;
3734
3735                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3736                                 local_adv |= ADVERTISE_1000XPAUSE;
3737                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3738                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3739
3740                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3741                                 remote_adv |= LPA_1000XPAUSE;
3742                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3743                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3744
3745                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3746                         current_link_up = 1;
3747                         tp->serdes_counter = 0;
3748                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3749                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3750                         if (tp->serdes_counter)
3751                                 tp->serdes_counter--;
3752                         else {
3753                                 if (workaround) {
3754                                         u32 val = serdes_cfg;
3755
3756                                         if (port_a)
3757                                                 val |= 0xc010000;
3758                                         else
3759                                                 val |= 0x4010000;
3760
3761                                         tw32_f(MAC_SERDES_CFG, val);
3762                                 }
3763
3764                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3765                                 udelay(40);
3766
3767                                 /* Link parallel detection - link is up */
3768                                 /* only if we have PCS_SYNC and not */
3769                                 /* receiving config code words */
3770                                 mac_status = tr32(MAC_STATUS);
3771                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3772                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3773                                         tg3_setup_flow_control(tp, 0, 0);
3774                                         current_link_up = 1;
3775                                         tp->tg3_flags2 |=
3776                                                 TG3_FLG2_PARALLEL_DETECT;
3777                                         tp->serdes_counter =
3778                                                 SERDES_PARALLEL_DET_TIMEOUT;
3779                                 } else
3780                                         goto restart_autoneg;
3781                         }
3782                 }
3783         } else {
3784                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3785                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3786         }
3787
3788 out:
3789         return current_link_up;
3790 }
3791
3792 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3793 {
3794         int current_link_up = 0;
3795
3796         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3797                 goto out;
3798
3799         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3800                 u32 txflags, rxflags;
3801                 int i;
3802
3803                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3804                         u32 local_adv = 0, remote_adv = 0;
3805
3806                         if (txflags & ANEG_CFG_PS1)
3807                                 local_adv |= ADVERTISE_1000XPAUSE;
3808                         if (txflags & ANEG_CFG_PS2)
3809                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3810
3811                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3812                                 remote_adv |= LPA_1000XPAUSE;
3813                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3814                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3815
3816                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3817
3818                         current_link_up = 1;
3819                 }
3820                 for (i = 0; i < 30; i++) {
3821                         udelay(20);
3822                         tw32_f(MAC_STATUS,
3823                                (MAC_STATUS_SYNC_CHANGED |
3824                                 MAC_STATUS_CFG_CHANGED));
3825                         udelay(40);
3826                         if ((tr32(MAC_STATUS) &
3827                              (MAC_STATUS_SYNC_CHANGED |
3828                               MAC_STATUS_CFG_CHANGED)) == 0)
3829                                 break;
3830                 }
3831
3832                 mac_status = tr32(MAC_STATUS);
3833                 if (current_link_up == 0 &&
3834                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3835                     !(mac_status & MAC_STATUS_RCVD_CFG))
3836                         current_link_up = 1;
3837         } else {
3838                 tg3_setup_flow_control(tp, 0, 0);
3839
3840                 /* Forcing 1000FD link up. */
3841                 current_link_up = 1;
3842
3843                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3844                 udelay(40);
3845
3846                 tw32_f(MAC_MODE, tp->mac_mode);
3847                 udelay(40);
3848         }
3849
3850 out:
3851         return current_link_up;
3852 }
3853
3854 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3855 {
3856         u32 orig_pause_cfg;
3857         u16 orig_active_speed;
3858         u8 orig_active_duplex;
3859         u32 mac_status;
3860         int current_link_up;
3861         int i;
3862
3863         orig_pause_cfg = tp->link_config.active_flowctrl;
3864         orig_active_speed = tp->link_config.active_speed;
3865         orig_active_duplex = tp->link_config.active_duplex;
3866
3867         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3868             netif_carrier_ok(tp->dev) &&
3869             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3870                 mac_status = tr32(MAC_STATUS);
3871                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3872                                MAC_STATUS_SIGNAL_DET |
3873                                MAC_STATUS_CFG_CHANGED |
3874                                MAC_STATUS_RCVD_CFG);
3875                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3876                                    MAC_STATUS_SIGNAL_DET)) {
3877                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3878                                             MAC_STATUS_CFG_CHANGED));
3879                         return 0;
3880                 }
3881         }
3882
3883         tw32_f(MAC_TX_AUTO_NEG, 0);
3884
3885         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3886         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3887         tw32_f(MAC_MODE, tp->mac_mode);
3888         udelay(40);
3889
3890         if (tp->phy_id == PHY_ID_BCM8002)
3891                 tg3_init_bcm8002(tp);
3892
3893         /* Enable link change event even when serdes polling.  */
3894         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3895         udelay(40);
3896
3897         current_link_up = 0;
3898         mac_status = tr32(MAC_STATUS);
3899
3900         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3901                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3902         else
3903                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3904
3905         tp->napi[0].hw_status->status =
3906                 (SD_STATUS_UPDATED |
3907                  (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
3908
3909         for (i = 0; i < 100; i++) {
3910                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3911                                     MAC_STATUS_CFG_CHANGED));
3912                 udelay(5);
3913                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3914                                          MAC_STATUS_CFG_CHANGED |
3915                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3916                         break;
3917         }
3918
3919         mac_status = tr32(MAC_STATUS);
3920         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3921                 current_link_up = 0;
3922                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3923                     tp->serdes_counter == 0) {
3924                         tw32_f(MAC_MODE, (tp->mac_mode |
3925                                           MAC_MODE_SEND_CONFIGS));
3926                         udelay(1);
3927                         tw32_f(MAC_MODE, tp->mac_mode);
3928                 }
3929         }
3930
3931         if (current_link_up == 1) {
3932                 tp->link_config.active_speed = SPEED_1000;
3933                 tp->link_config.active_duplex = DUPLEX_FULL;
3934                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3935                                     LED_CTRL_LNKLED_OVERRIDE |
3936                                     LED_CTRL_1000MBPS_ON));
3937         } else {
3938                 tp->link_config.active_speed = SPEED_INVALID;
3939                 tp->link_config.active_duplex = DUPLEX_INVALID;
3940                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3941                                     LED_CTRL_LNKLED_OVERRIDE |
3942                                     LED_CTRL_TRAFFIC_OVERRIDE));
3943         }
3944
3945         if (current_link_up != netif_carrier_ok(tp->dev)) {
3946                 if (current_link_up)
3947                         netif_carrier_on(tp->dev);
3948                 else
3949                         netif_carrier_off(tp->dev);
3950                 tg3_link_report(tp);
3951         } else {
3952                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
3953                 if (orig_pause_cfg != now_pause_cfg ||
3954                     orig_active_speed != tp->link_config.active_speed ||
3955                     orig_active_duplex != tp->link_config.active_duplex)
3956                         tg3_link_report(tp);
3957         }
3958
3959         return 0;
3960 }
3961
3962 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
3963 {
3964         int current_link_up, err = 0;
3965         u32 bmsr, bmcr;
3966         u16 current_speed;
3967         u8 current_duplex;
3968         u32 local_adv, remote_adv;
3969
3970         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3971         tw32_f(MAC_MODE, tp->mac_mode);
3972         udelay(40);
3973
3974         tw32(MAC_EVENT, 0);
3975
3976         tw32_f(MAC_STATUS,
3977              (MAC_STATUS_SYNC_CHANGED |
3978               MAC_STATUS_CFG_CHANGED |
3979               MAC_STATUS_MI_COMPLETION |
3980               MAC_STATUS_LNKSTATE_CHANGED));
3981         udelay(40);
3982
3983         if (force_reset)
3984                 tg3_phy_reset(tp);
3985
3986         current_link_up = 0;
3987         current_speed = SPEED_INVALID;
3988         current_duplex = DUPLEX_INVALID;
3989
3990         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3991         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3992         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
3993                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
3994                         bmsr |= BMSR_LSTATUS;
3995                 else
3996                         bmsr &= ~BMSR_LSTATUS;
3997         }
3998
3999         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4000
4001         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4002             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4003                 /* do nothing, just check for link up at the end */
4004         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4005                 u32 adv, new_adv;
4006
4007                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4008                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4009                                   ADVERTISE_1000XPAUSE |
4010                                   ADVERTISE_1000XPSE_ASYM |
4011                                   ADVERTISE_SLCT);
4012
4013                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4014
4015                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4016                         new_adv |= ADVERTISE_1000XHALF;
4017                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4018                         new_adv |= ADVERTISE_1000XFULL;
4019
4020                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4021                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
4022                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4023                         tg3_writephy(tp, MII_BMCR, bmcr);
4024
4025                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4026                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4027                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4028
4029                         return err;
4030                 }
4031         } else {
4032                 u32 new_bmcr;
4033
4034                 bmcr &= ~BMCR_SPEED1000;
4035                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4036
4037                 if (tp->link_config.duplex == DUPLEX_FULL)
4038                         new_bmcr |= BMCR_FULLDPLX;
4039
4040                 if (new_bmcr != bmcr) {
4041                         /* BMCR_SPEED1000 is a reserved bit that needs
4042                          * to be set on write.
4043                          */
4044                         new_bmcr |= BMCR_SPEED1000;
4045
4046                         /* Force a linkdown */
4047                         if (netif_carrier_ok(tp->dev)) {
4048                                 u32 adv;
4049
4050                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4051                                 adv &= ~(ADVERTISE_1000XFULL |
4052                                          ADVERTISE_1000XHALF |
4053                                          ADVERTISE_SLCT);
4054                                 tg3_writephy(tp, MII_ADVERTISE, adv);
4055                                 tg3_writephy(tp, MII_BMCR, bmcr |
4056                                                            BMCR_ANRESTART |
4057                                                            BMCR_ANENABLE);
4058                                 udelay(10);
4059                                 netif_carrier_off(tp->dev);
4060                         }
4061                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4062                         bmcr = new_bmcr;
4063                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4064                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4065                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4066                             ASIC_REV_5714) {
4067                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4068                                         bmsr |= BMSR_LSTATUS;
4069                                 else
4070                                         bmsr &= ~BMSR_LSTATUS;
4071                         }
4072                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4073                 }
4074         }
4075
4076         if (bmsr & BMSR_LSTATUS) {
4077                 current_speed = SPEED_1000;
4078                 current_link_up = 1;
4079                 if (bmcr & BMCR_FULLDPLX)
4080                         current_duplex = DUPLEX_FULL;
4081                 else
4082                         current_duplex = DUPLEX_HALF;
4083
4084                 local_adv = 0;
4085                 remote_adv = 0;
4086
4087                 if (bmcr & BMCR_ANENABLE) {
4088                         u32 common;
4089
4090                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4091                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4092                         common = local_adv & remote_adv;
4093                         if (common & (ADVERTISE_1000XHALF |
4094                                       ADVERTISE_1000XFULL)) {
4095                                 if (common & ADVERTISE_1000XFULL)
4096                                         current_duplex = DUPLEX_FULL;
4097                                 else
4098                                         current_duplex = DUPLEX_HALF;
4099                         }
4100                         else
4101                                 current_link_up = 0;
4102                 }
4103         }
4104
4105         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4106                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4107
4108         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4109         if (tp->link_config.active_duplex == DUPLEX_HALF)
4110                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4111
4112         tw32_f(MAC_MODE, tp->mac_mode);
4113         udelay(40);
4114
4115         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4116
4117         tp->link_config.active_speed = current_speed;
4118         tp->link_config.active_duplex = current_duplex;
4119
4120         if (current_link_up != netif_carrier_ok(tp->dev)) {
4121                 if (current_link_up)
4122                         netif_carrier_on(tp->dev);
4123                 else {
4124                         netif_carrier_off(tp->dev);
4125                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4126                 }
4127                 tg3_link_report(tp);
4128         }
4129         return err;
4130 }
4131
4132 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4133 {
4134         if (tp->serdes_counter) {
4135                 /* Give autoneg time to complete. */
4136                 tp->serdes_counter--;
4137                 return;
4138         }
4139         if (!netif_carrier_ok(tp->dev) &&
4140             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4141                 u32 bmcr;
4142
4143                 tg3_readphy(tp, MII_BMCR, &bmcr);
4144                 if (bmcr & BMCR_ANENABLE) {
4145                         u32 phy1, phy2;
4146
4147                         /* Select shadow register 0x1f */
4148                         tg3_writephy(tp, 0x1c, 0x7c00);
4149                         tg3_readphy(tp, 0x1c, &phy1);
4150
4151                         /* Select expansion interrupt status register */
4152                         tg3_writephy(tp, 0x17, 0x0f01);
4153                         tg3_readphy(tp, 0x15, &phy2);
4154                         tg3_readphy(tp, 0x15, &phy2);
4155
4156                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4157                                 /* We have signal detect and not receiving
4158                                  * config code words, link is up by parallel
4159                                  * detection.
4160                                  */
4161
4162                                 bmcr &= ~BMCR_ANENABLE;
4163                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4164                                 tg3_writephy(tp, MII_BMCR, bmcr);
4165                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4166                         }
4167                 }
4168         }
4169         else if (netif_carrier_ok(tp->dev) &&
4170                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4171                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4172                 u32 phy2;
4173
4174                 /* Select expansion interrupt status register */
4175                 tg3_writephy(tp, 0x17, 0x0f01);
4176                 tg3_readphy(tp, 0x15, &phy2);
4177                 if (phy2 & 0x20) {
4178                         u32 bmcr;
4179
4180                         /* Config code words received, turn on autoneg. */
4181                         tg3_readphy(tp, MII_BMCR, &bmcr);
4182                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4183
4184                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4185
4186                 }
4187         }
4188 }
4189
4190 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4191 {
4192         int err;
4193
4194         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4195                 err = tg3_setup_fiber_phy(tp, force_reset);
4196         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4197                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4198         } else {
4199                 err = tg3_setup_copper_phy(tp, force_reset);
4200         }
4201
4202         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4203                 u32 val, scale;
4204
4205                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4206                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4207                         scale = 65;
4208                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4209                         scale = 6;
4210                 else
4211                         scale = 12;
4212
4213                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4214                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4215                 tw32(GRC_MISC_CFG, val);
4216         }
4217
4218         if (tp->link_config.active_speed == SPEED_1000 &&
4219             tp->link_config.active_duplex == DUPLEX_HALF)
4220                 tw32(MAC_TX_LENGTHS,
4221                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4222                       (6 << TX_LENGTHS_IPG_SHIFT) |
4223                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4224         else
4225                 tw32(MAC_TX_LENGTHS,
4226                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4227                       (6 << TX_LENGTHS_IPG_SHIFT) |
4228                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4229
4230         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4231                 if (netif_carrier_ok(tp->dev)) {
4232                         tw32(HOSTCC_STAT_COAL_TICKS,
4233                              tp->coal.stats_block_coalesce_usecs);
4234                 } else {
4235                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4236                 }
4237         }
4238
4239         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4240                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4241                 if (!netif_carrier_ok(tp->dev))
4242                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4243                               tp->pwrmgmt_thresh;
4244                 else
4245                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4246                 tw32(PCIE_PWR_MGMT_THRESH, val);
4247         }
4248
4249         return err;
4250 }
4251
4252 /* This is called whenever we suspect that the system chipset is re-
4253  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4254  * is bogus tx completions. We try to recover by setting the
4255  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4256  * in the workqueue.
4257  */
4258 static void tg3_tx_recover(struct tg3 *tp)
4259 {
4260         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4261                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4262
4263         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4264                "mapped I/O cycles to the network device, attempting to "
4265                "recover. Please report the problem to the driver maintainer "
4266                "and include system chipset information.\n", tp->dev->name);
4267
4268         spin_lock(&tp->lock);
4269         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4270         spin_unlock(&tp->lock);
4271 }
4272
4273 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4274 {
4275         smp_mb();
4276         return tnapi->tx_pending -
4277                ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4278 }
4279
4280 /* Tigon3 never reports partial packet sends.  So we do not
4281  * need special logic to handle SKBs that have not had all
4282  * of their frags sent yet, like SunGEM does.
4283  */
4284 static void tg3_tx(struct tg3_napi *tnapi)
4285 {
4286         struct tg3 *tp = tnapi->tp;
4287         u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4288         u32 sw_idx = tnapi->tx_cons;
4289
4290         while (sw_idx != hw_idx) {
4291                 struct tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
4292                 struct sk_buff *skb = ri->skb;
4293                 int i, tx_bug = 0;
4294
4295                 if (unlikely(skb == NULL)) {
4296                         tg3_tx_recover(tp);
4297                         return;
4298                 }
4299
4300                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
4301
4302                 ri->skb = NULL;
4303
4304                 sw_idx = NEXT_TX(sw_idx);
4305
4306                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4307                         ri = &tnapi->tx_buffers[sw_idx];
4308                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4309                                 tx_bug = 1;
4310                         sw_idx = NEXT_TX(sw_idx);
4311                 }
4312
4313                 dev_kfree_skb(skb);
4314
4315                 if (unlikely(tx_bug)) {
4316                         tg3_tx_recover(tp);
4317                         return;
4318                 }
4319         }
4320
4321         tnapi->tx_cons = sw_idx;
4322
4323         /* Need to make the tx_cons update visible to tg3_start_xmit()
4324          * before checking for netif_queue_stopped().  Without the
4325          * memory barrier, there is a small possibility that tg3_start_xmit()
4326          * will miss it and cause the queue to be stopped forever.
4327          */
4328         smp_mb();
4329
4330         if (unlikely(netif_queue_stopped(tp->dev) &&
4331                      (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4332                 netif_tx_lock(tp->dev);
4333                 if (netif_queue_stopped(tp->dev) &&
4334                     (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4335                         netif_wake_queue(tp->dev);
4336                 netif_tx_unlock(tp->dev);
4337         }
4338 }
4339
4340 /* Returns size of skb allocated or < 0 on error.
4341  *
4342  * We only need to fill in the address because the other members
4343  * of the RX descriptor are invariant, see tg3_init_rings.
4344  *
4345  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4346  * posting buffers we only dirty the first cache line of the RX
4347  * descriptor (containing the address).  Whereas for the RX status
4348  * buffers the cpu only reads the last cacheline of the RX descriptor
4349  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4350  */
4351 static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
4352                             int src_idx, u32 dest_idx_unmasked)
4353 {
4354         struct tg3 *tp = tnapi->tp;
4355         struct tg3_rx_buffer_desc *desc;
4356         struct ring_info *map, *src_map;
4357         struct sk_buff *skb;
4358         dma_addr_t mapping;
4359         int skb_size, dest_idx;
4360         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
4361
4362         src_map = NULL;
4363         switch (opaque_key) {
4364         case RXD_OPAQUE_RING_STD:
4365                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4366                 desc = &tpr->rx_std[dest_idx];
4367                 map = &tpr->rx_std_buffers[dest_idx];
4368                 if (src_idx >= 0)
4369                         src_map = &tpr->rx_std_buffers[src_idx];
4370                 skb_size = tp->rx_pkt_map_sz;
4371                 break;
4372
4373         case RXD_OPAQUE_RING_JUMBO:
4374                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4375                 desc = &tpr->rx_jmb[dest_idx].std;
4376                 map = &tpr->rx_jmb_buffers[dest_idx];
4377                 if (src_idx >= 0)
4378                         src_map = &tpr->rx_jmb_buffers[src_idx];
4379                 skb_size = TG3_RX_JMB_MAP_SZ;
4380                 break;
4381
4382         default:
4383                 return -EINVAL;
4384         }
4385
4386         /* Do not overwrite any of the map or rp information
4387          * until we are sure we can commit to a new buffer.
4388          *
4389          * Callers depend upon this behavior and assume that
4390          * we leave everything unchanged if we fail.
4391          */
4392         skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4393         if (skb == NULL)
4394                 return -ENOMEM;
4395
4396         skb_reserve(skb, tp->rx_offset);
4397
4398         mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4399                                  PCI_DMA_FROMDEVICE);
4400
4401         map->skb = skb;
4402         pci_unmap_addr_set(map, mapping, mapping);
4403
4404         if (src_map != NULL)
4405                 src_map->skb = NULL;
4406
4407         desc->addr_hi = ((u64)mapping >> 32);
4408         desc->addr_lo = ((u64)mapping & 0xffffffff);
4409
4410         return skb_size;
4411 }
4412
4413 /* We only need to move over in the address because the other
4414  * members of the RX descriptor are invariant.  See notes above
4415  * tg3_alloc_rx_skb for full details.
4416  */
4417 static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
4418                            int src_idx, u32 dest_idx_unmasked)
4419 {
4420         struct tg3 *tp = tnapi->tp;
4421         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4422         struct ring_info *src_map, *dest_map;
4423         int dest_idx;
4424         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
4425
4426         switch (opaque_key) {
4427         case RXD_OPAQUE_RING_STD:
4428                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4429                 dest_desc = &tpr->rx_std[dest_idx];
4430                 dest_map = &tpr->rx_std_buffers[dest_idx];
4431                 src_desc = &tpr->rx_std[src_idx];
4432                 src_map = &tpr->rx_std_buffers[src_idx];
4433                 break;
4434
4435         case RXD_OPAQUE_RING_JUMBO:
4436                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4437                 dest_desc = &tpr->rx_jmb[dest_idx].std;
4438                 dest_map = &tpr->rx_jmb_buffers[dest_idx];
4439                 src_desc = &tpr->rx_jmb[src_idx].std;
4440                 src_map = &tpr->rx_jmb_buffers[src_idx];
4441                 break;
4442
4443         default:
4444                 return;
4445         }
4446
4447         dest_map->skb = src_map->skb;
4448         pci_unmap_addr_set(dest_map, mapping,
4449                            pci_unmap_addr(src_map, mapping));
4450         dest_desc->addr_hi = src_desc->addr_hi;
4451         dest_desc->addr_lo = src_desc->addr_lo;
4452
4453         src_map->skb = NULL;
4454 }
4455
4456 /* The RX ring scheme is composed of multiple rings which post fresh
4457  * buffers to the chip, and one special ring the chip uses to report
4458  * status back to the host.
4459  *
4460  * The special ring reports the status of received packets to the
4461  * host.  The chip does not write into the original descriptor the
4462  * RX buffer was obtained from.  The chip simply takes the original
4463  * descriptor as provided by the host, updates the status and length
4464  * field, then writes this into the next status ring entry.
4465  *
4466  * Each ring the host uses to post buffers to the chip is described
4467  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4468  * it is first placed into the on-chip ram.  When the packet's length
4469  * is known, it walks down the TG3_BDINFO entries to select the ring.
4470  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4471  * which is within the range of the new packet's length is chosen.
4472  *
4473  * The "separate ring for rx status" scheme may sound queer, but it makes
4474  * sense from a cache coherency perspective.  If only the host writes
4475  * to the buffer post rings, and only the chip writes to the rx status
4476  * rings, then cache lines never move beyond shared-modified state.
4477  * If both the host and chip were to write into the same ring, cache line
4478  * eviction could occur since both entities want it in an exclusive state.
4479  */
4480 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4481 {
4482         struct tg3 *tp = tnapi->tp;
4483         u32 work_mask, rx_std_posted = 0;
4484         u32 sw_idx = tnapi->rx_rcb_ptr;
4485         u16 hw_idx;
4486         int received;
4487         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
4488
4489         hw_idx = tnapi->hw_status->idx[0].rx_producer;
4490         /*
4491          * We need to order the read of hw_idx and the read of
4492          * the opaque cookie.
4493          */
4494         rmb();
4495         work_mask = 0;
4496         received = 0;
4497         while (sw_idx != hw_idx && budget > 0) {
4498                 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4499                 unsigned int len;
4500                 struct sk_buff *skb;
4501                 dma_addr_t dma_addr;
4502                 u32 opaque_key, desc_idx, *post_ptr;
4503
4504                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4505                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4506                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4507                         struct ring_info *ri = &tpr->rx_std_buffers[desc_idx];
4508                         dma_addr = pci_unmap_addr(ri, mapping);
4509                         skb = ri->skb;
4510                         post_ptr = &tpr->rx_std_ptr;
4511                         rx_std_posted++;
4512                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4513                         struct ring_info *ri = &tpr->rx_jmb_buffers[desc_idx];
4514                         dma_addr = pci_unmap_addr(ri, mapping);
4515                         skb = ri->skb;
4516                         post_ptr = &tpr->rx_jmb_ptr;
4517                 } else
4518                         goto next_pkt_nopost;
4519
4520                 work_mask |= opaque_key;
4521
4522                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4523                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4524                 drop_it:
4525                         tg3_recycle_rx(tnapi, opaque_key,
4526                                        desc_idx, *post_ptr);
4527                 drop_it_no_recycle:
4528                         /* Other statistics kept track of by card. */
4529                         tp->net_stats.rx_dropped++;
4530                         goto next_pkt;
4531                 }
4532
4533                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4534                       ETH_FCS_LEN;
4535
4536                 if (len > RX_COPY_THRESHOLD
4537                         && tp->rx_offset == NET_IP_ALIGN
4538                         /* rx_offset will likely not equal NET_IP_ALIGN
4539                          * if this is a 5701 card running in PCI-X mode
4540                          * [see tg3_get_invariants()]
4541                          */
4542                 ) {
4543                         int skb_size;
4544
4545                         skb_size = tg3_alloc_rx_skb(tnapi, opaque_key,
4546                                                     desc_idx, *post_ptr);
4547                         if (skb_size < 0)
4548                                 goto drop_it;
4549
4550                         pci_unmap_single(tp->pdev, dma_addr, skb_size,
4551                                          PCI_DMA_FROMDEVICE);
4552
4553                         skb_put(skb, len);
4554                 } else {
4555                         struct sk_buff *copy_skb;
4556
4557                         tg3_recycle_rx(tnapi, opaque_key,
4558                                        desc_idx, *post_ptr);
4559
4560                         copy_skb = netdev_alloc_skb(tp->dev,
4561                                                     len + TG3_RAW_IP_ALIGN);
4562                         if (copy_skb == NULL)
4563                                 goto drop_it_no_recycle;
4564
4565                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4566                         skb_put(copy_skb, len);
4567                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4568                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4569                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4570
4571                         /* We'll reuse the original ring buffer. */
4572                         skb = copy_skb;
4573                 }
4574
4575                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4576                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4577                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4578                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4579                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4580                 else
4581                         skb->ip_summed = CHECKSUM_NONE;
4582
4583                 skb->protocol = eth_type_trans(skb, tp->dev);
4584
4585                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4586                     skb->protocol != htons(ETH_P_8021Q)) {
4587                         dev_kfree_skb(skb);
4588                         goto next_pkt;
4589                 }
4590
4591 #if TG3_VLAN_TAG_USED
4592                 if (tp->vlgrp != NULL &&
4593                     desc->type_flags & RXD_FLAG_VLAN) {
4594                         vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4595                                          desc->err_vlan & RXD_VLAN_MASK, skb);
4596                 } else
4597 #endif
4598                         napi_gro_receive(&tnapi->napi, skb);
4599
4600                 received++;
4601                 budget--;
4602
4603 next_pkt:
4604                 (*post_ptr)++;
4605
4606                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4607                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4608
4609                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4610                                      TG3_64BIT_REG_LOW, idx);
4611                         work_mask &= ~RXD_OPAQUE_RING_STD;
4612                         rx_std_posted = 0;
4613                 }
4614 next_pkt_nopost:
4615                 sw_idx++;
4616                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4617
4618                 /* Refresh hw_idx to see if there is new work */
4619                 if (sw_idx == hw_idx) {
4620                         hw_idx = tnapi->hw_status->idx[0].rx_producer;
4621                         rmb();
4622                 }
4623         }
4624
4625         /* ACK the status ring. */
4626         tnapi->rx_rcb_ptr = sw_idx;
4627         tw32_rx_mbox(tnapi->consmbox, sw_idx);
4628
4629         /* Refill RX ring(s). */
4630         if (work_mask & RXD_OPAQUE_RING_STD) {
4631                 sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
4632                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4633                              sw_idx);
4634         }
4635         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4636                 sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
4637                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4638                              sw_idx);
4639         }
4640         mmiowb();
4641
4642         return received;
4643 }
4644
4645 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4646 {
4647         struct tg3 *tp = tnapi->tp;
4648         struct tg3_hw_status *sblk = tnapi->hw_status;
4649
4650         /* handle link change and other phy events */
4651         if (!(tp->tg3_flags &
4652               (TG3_FLAG_USE_LINKCHG_REG |
4653                TG3_FLAG_POLL_SERDES))) {
4654                 if (sblk->status & SD_STATUS_LINK_CHG) {
4655                         sblk->status = SD_STATUS_UPDATED |
4656                                 (sblk->status & ~SD_STATUS_LINK_CHG);
4657                         spin_lock(&tp->lock);
4658                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4659                                 tw32_f(MAC_STATUS,
4660                                      (MAC_STATUS_SYNC_CHANGED |
4661                                       MAC_STATUS_CFG_CHANGED |
4662                                       MAC_STATUS_MI_COMPLETION |
4663                                       MAC_STATUS_LNKSTATE_CHANGED));
4664                                 udelay(40);
4665                         } else
4666                                 tg3_setup_phy(tp, 0);
4667                         spin_unlock(&tp->lock);
4668                 }
4669         }
4670
4671         /* run TX completion thread */
4672         if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4673                 tg3_tx(tnapi);
4674                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4675                         return work_done;
4676         }
4677
4678         /* run RX thread, within the bounds set by NAPI.
4679          * All RX "locking" is done by ensuring outside
4680          * code synchronizes with tg3->napi.poll()
4681          */
4682         if (sblk->idx[0].rx_producer != tnapi->rx_rcb_ptr)
4683                 work_done += tg3_rx(tnapi, budget - work_done);
4684
4685         return work_done;
4686 }
4687
4688 static int tg3_poll(struct napi_struct *napi, int budget)
4689 {
4690         struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4691         struct tg3 *tp = tnapi->tp;
4692         int work_done = 0;
4693         struct tg3_hw_status *sblk = tnapi->hw_status;
4694
4695         while (1) {
4696                 work_done = tg3_poll_work(tnapi, work_done, budget);
4697
4698                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4699                         goto tx_recovery;
4700
4701                 if (unlikely(work_done >= budget))
4702                         break;
4703
4704                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
4705                         /* tp->last_tag is used in tg3_int_reenable() below
4706                          * to tell the hw how much work has been processed,
4707                          * so we must read it before checking for more work.
4708                          */
4709                         tnapi->last_tag = sblk->status_tag;
4710                         tnapi->last_irq_tag = tnapi->last_tag;
4711                         rmb();
4712                 } else
4713                         sblk->status &= ~SD_STATUS_UPDATED;
4714
4715                 if (likely(!tg3_has_work(tnapi))) {
4716                         napi_complete(napi);
4717                         tg3_int_reenable(tnapi);
4718                         break;
4719                 }
4720         }
4721
4722         return work_done;
4723
4724 tx_recovery:
4725         /* work_done is guaranteed to be less than budget. */
4726         napi_complete(napi);
4727         schedule_work(&tp->reset_task);
4728         return work_done;
4729 }
4730
4731 static void tg3_irq_quiesce(struct tg3 *tp)
4732 {
4733         int i;
4734
4735         BUG_ON(tp->irq_sync);
4736
4737         tp->irq_sync = 1;
4738         smp_mb();
4739
4740         for (i = 0; i < tp->irq_cnt; i++)
4741                 synchronize_irq(tp->napi[i].irq_vec);
4742 }
4743
4744 static inline int tg3_irq_sync(struct tg3 *tp)
4745 {
4746         return tp->irq_sync;
4747 }
4748
4749 /* Fully shutdown all tg3 driver activity elsewhere in the system.
4750  * If irq_sync is non-zero, then the IRQ handler must be synchronized
4751  * with as well.  Most of the time, this is not necessary except when
4752  * shutting down the device.
4753  */
4754 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4755 {
4756         spin_lock_bh(&tp->lock);
4757         if (irq_sync)
4758                 tg3_irq_quiesce(tp);
4759 }
4760
4761 static inline void tg3_full_unlock(struct tg3 *tp)
4762 {
4763         spin_unlock_bh(&tp->lock);
4764 }
4765
4766 /* One-shot MSI handler - Chip automatically disables interrupt
4767  * after sending MSI so driver doesn't have to do it.
4768  */
4769 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
4770 {
4771         struct tg3_napi *tnapi = dev_id;
4772         struct tg3 *tp = tnapi->tp;
4773
4774         prefetch(tnapi->hw_status);
4775         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4776
4777         if (likely(!tg3_irq_sync(tp)))
4778                 napi_schedule(&tnapi->napi);
4779
4780         return IRQ_HANDLED;
4781 }
4782
4783 /* MSI ISR - No need to check for interrupt sharing and no need to
4784  * flush status block and interrupt mailbox. PCI ordering rules
4785  * guarantee that MSI will arrive after the status block.
4786  */
4787 static irqreturn_t tg3_msi(int irq, void *dev_id)
4788 {
4789         struct tg3_napi *tnapi = dev_id;
4790         struct tg3 *tp = tnapi->tp;
4791
4792         prefetch(tnapi->hw_status);
4793         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4794         /*
4795          * Writing any value to intr-mbox-0 clears PCI INTA# and
4796          * chip-internal interrupt pending events.
4797          * Writing non-zero to intr-mbox-0 additional tells the
4798          * NIC to stop sending us irqs, engaging "in-intr-handler"
4799          * event coalescing.
4800          */
4801         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4802         if (likely(!tg3_irq_sync(tp)))
4803                 napi_schedule(&tnapi->napi);
4804
4805         return IRQ_RETVAL(1);
4806 }
4807
4808 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
4809 {
4810         struct tg3_napi *tnapi = dev_id;
4811         struct tg3 *tp = tnapi->tp;
4812         struct tg3_hw_status *sblk = tnapi->hw_status;
4813         unsigned int handled = 1;
4814
4815         /* In INTx mode, it is possible for the interrupt to arrive at
4816          * the CPU before the status block posted prior to the interrupt.
4817          * Reading the PCI State register will confirm whether the
4818          * interrupt is ours and will flush the status block.
4819          */
4820         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4821                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4822                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4823                         handled = 0;
4824                         goto out;
4825                 }
4826         }
4827
4828         /*
4829          * Writing any value to intr-mbox-0 clears PCI INTA# and
4830          * chip-internal interrupt pending events.
4831          * Writing non-zero to intr-mbox-0 additional tells the
4832          * NIC to stop sending us irqs, engaging "in-intr-handler"
4833          * event coalescing.
4834          *
4835          * Flush the mailbox to de-assert the IRQ immediately to prevent
4836          * spurious interrupts.  The flush impacts performance but
4837          * excessive spurious interrupts can be worse in some cases.
4838          */
4839         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4840         if (tg3_irq_sync(tp))
4841                 goto out;
4842         sblk->status &= ~SD_STATUS_UPDATED;
4843         if (likely(tg3_has_work(tnapi))) {
4844                 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4845                 napi_schedule(&tnapi->napi);
4846         } else {
4847                 /* No work, shared interrupt perhaps?  re-enable
4848                  * interrupts, and flush that PCI write
4849                  */
4850                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4851                                0x00000000);
4852         }
4853 out:
4854         return IRQ_RETVAL(handled);
4855 }
4856
4857 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
4858 {
4859         struct tg3_napi *tnapi = dev_id;
4860         struct tg3 *tp = tnapi->tp;
4861         struct tg3_hw_status *sblk = tnapi->hw_status;
4862         unsigned int handled = 1;
4863
4864         /* In INTx mode, it is possible for the interrupt to arrive at
4865          * the CPU before the status block posted prior to the interrupt.
4866          * Reading the PCI State register will confirm whether the
4867          * interrupt is ours and will flush the status block.
4868          */
4869         if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
4870                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4871                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4872                         handled = 0;
4873                         goto out;
4874                 }
4875         }
4876
4877         /*
4878          * writing any value to intr-mbox-0 clears PCI INTA# and
4879          * chip-internal interrupt pending events.
4880          * writing non-zero to intr-mbox-0 additional tells the
4881          * NIC to stop sending us irqs, engaging "in-intr-handler"
4882          * event coalescing.
4883          *
4884          * Flush the mailbox to de-assert the IRQ immediately to prevent
4885          * spurious interrupts.  The flush impacts performance but
4886          * excessive spurious interrupts can be worse in some cases.
4887          */
4888         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4889
4890         /*
4891          * In a shared interrupt configuration, sometimes other devices'
4892          * interrupts will scream.  We record the current status tag here
4893          * so that the above check can report that the screaming interrupts
4894          * are unhandled.  Eventually they will be silenced.
4895          */
4896         tnapi->last_irq_tag = sblk->status_tag;
4897
4898         if (tg3_irq_sync(tp))
4899                 goto out;
4900
4901         prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4902
4903         napi_schedule(&tnapi->napi);
4904
4905 out:
4906         return IRQ_RETVAL(handled);
4907 }
4908
4909 /* ISR for interrupt test */
4910 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
4911 {
4912         struct tg3_napi *tnapi = dev_id;
4913         struct tg3 *tp = tnapi->tp;
4914         struct tg3_hw_status *sblk = tnapi->hw_status;
4915
4916         if ((sblk->status & SD_STATUS_UPDATED) ||
4917             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4918                 tg3_disable_ints(tp);
4919                 return IRQ_RETVAL(1);
4920         }
4921         return IRQ_RETVAL(0);
4922 }
4923
4924 static int tg3_init_hw(struct tg3 *, int);
4925 static int tg3_halt(struct tg3 *, int, int);
4926
4927 /* Restart hardware after configuration changes, self-test, etc.
4928  * Invoked with tp->lock held.
4929  */
4930 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
4931         __releases(tp->lock)
4932         __acquires(tp->lock)
4933 {
4934         int err;
4935
4936         err = tg3_init_hw(tp, reset_phy);
4937         if (err) {
4938                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
4939                        "aborting.\n", tp->dev->name);
4940                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4941                 tg3_full_unlock(tp);
4942                 del_timer_sync(&tp->timer);
4943                 tp->irq_sync = 0;
4944                 napi_enable(&tp->napi[0].napi);
4945                 dev_close(tp->dev);
4946                 tg3_full_lock(tp, 0);
4947         }
4948         return err;
4949 }
4950
4951 #ifdef CONFIG_NET_POLL_CONTROLLER
4952 static void tg3_poll_controller(struct net_device *dev)
4953 {
4954         int i;
4955         struct tg3 *tp = netdev_priv(dev);
4956
4957         for (i = 0; i < tp->irq_cnt; i++)
4958                 tg3_interrupt(tp->napi[i].irq_vec, dev);
4959 }
4960 #endif
4961
4962 static void tg3_reset_task(struct work_struct *work)
4963 {
4964         struct tg3 *tp = container_of(work, struct tg3, reset_task);
4965         int err;
4966         unsigned int restart_timer;
4967
4968         tg3_full_lock(tp, 0);
4969
4970         if (!netif_running(tp->dev)) {
4971                 tg3_full_unlock(tp);
4972                 return;
4973         }
4974
4975         tg3_full_unlock(tp);
4976
4977         tg3_phy_stop(tp);
4978
4979         tg3_netif_stop(tp);
4980
4981         tg3_full_lock(tp, 1);
4982
4983         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
4984         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
4985
4986         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
4987                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
4988                 tp->write32_rx_mbox = tg3_write_flush_reg32;
4989                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
4990                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
4991         }
4992
4993         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
4994         err = tg3_init_hw(tp, 1);
4995         if (err)
4996                 goto out;
4997
4998         tg3_netif_start(tp);
4999
5000         if (restart_timer)
5001                 mod_timer(&tp->timer, jiffies + 1);
5002
5003 out:
5004         tg3_full_unlock(tp);
5005
5006         if (!err)
5007                 tg3_phy_start(tp);
5008 }
5009
5010 static void tg3_dump_short_state(struct tg3 *tp)
5011 {
5012         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5013                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5014         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5015                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5016 }
5017
5018 static void tg3_tx_timeout(struct net_device *dev)
5019 {
5020         struct tg3 *tp = netdev_priv(dev);
5021
5022         if (netif_msg_tx_err(tp)) {
5023                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5024                        dev->name);
5025                 tg3_dump_short_state(tp);
5026         }
5027
5028         schedule_work(&tp->reset_task);
5029 }
5030
5031 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5032 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5033 {
5034         u32 base = (u32) mapping & 0xffffffff;
5035
5036         return ((base > 0xffffdcc0) &&
5037                 (base + len + 8 < base));
5038 }
5039
5040 /* Test for DMA addresses > 40-bit */
5041 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5042                                           int len)
5043 {
5044 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5045         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5046                 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5047         return 0;
5048 #else
5049         return 0;
5050 #endif
5051 }
5052
5053 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5054
5055 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5056 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
5057                                        u32 last_plus_one, u32 *start,
5058                                        u32 base_flags, u32 mss)
5059 {
5060         struct tg3_napi *tnapi = &tp->napi[0];
5061         struct sk_buff *new_skb;
5062         dma_addr_t new_addr = 0;
5063         u32 entry = *start;
5064         int i, ret = 0;
5065
5066         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5067                 new_skb = skb_copy(skb, GFP_ATOMIC);
5068         else {
5069                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5070
5071                 new_skb = skb_copy_expand(skb,
5072                                           skb_headroom(skb) + more_headroom,
5073                                           skb_tailroom(skb), GFP_ATOMIC);
5074         }
5075
5076         if (!new_skb) {
5077                 ret = -1;
5078         } else {
5079                 /* New SKB is guaranteed to be linear. */
5080                 entry = *start;
5081                 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
5082                 new_addr = skb_shinfo(new_skb)->dma_head;
5083
5084                 /* Make sure new skb does not cross any 4G boundaries.
5085                  * Drop the packet if it does.
5086                  */
5087                 if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
5088                         if (!ret)
5089                                 skb_dma_unmap(&tp->pdev->dev, new_skb,
5090                                               DMA_TO_DEVICE);
5091                         ret = -1;
5092                         dev_kfree_skb(new_skb);
5093                         new_skb = NULL;
5094                 } else {
5095                         tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5096                                     base_flags, 1 | (mss << 1));
5097                         *start = NEXT_TX(entry);
5098                 }
5099         }
5100
5101         /* Now clean up the sw ring entries. */
5102         i = 0;
5103         while (entry != last_plus_one) {
5104                 if (i == 0)
5105                         tnapi->tx_buffers[entry].skb = new_skb;
5106                 else
5107                         tnapi->tx_buffers[entry].skb = NULL;
5108                 entry = NEXT_TX(entry);
5109                 i++;
5110         }
5111
5112         skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5113         dev_kfree_skb(skb);
5114
5115         return ret;
5116 }
5117
5118 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5119                         dma_addr_t mapping, int len, u32 flags,
5120                         u32 mss_and_is_end)
5121 {
5122         struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5123         int is_end = (mss_and_is_end & 0x1);
5124         u32 mss = (mss_and_is_end >> 1);
5125         u32 vlan_tag = 0;
5126
5127         if (is_end)
5128                 flags |= TXD_FLAG_END;
5129         if (flags & TXD_FLAG_VLAN) {
5130                 vlan_tag = flags >> 16;
5131                 flags &= 0xffff;
5132         }
5133         vlan_tag |= (mss << TXD_MSS_SHIFT);
5134
5135         txd->addr_hi = ((u64) mapping >> 32);
5136         txd->addr_lo = ((u64) mapping & 0xffffffff);
5137         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5138         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5139 }
5140
5141 /* hard_start_xmit for devices that don't have any bugs and
5142  * support TG3_FLG2_HW_TSO_2 only.
5143  */
5144 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5145                                   struct net_device *dev)
5146 {
5147         struct tg3 *tp = netdev_priv(dev);
5148         u32 len, entry, base_flags, mss;
5149         struct skb_shared_info *sp;
5150         dma_addr_t mapping;
5151         struct tg3_napi *tnapi = &tp->napi[0];
5152
5153         len = skb_headlen(skb);
5154
5155         /* We are running in BH disabled context with netif_tx_lock
5156          * and TX reclaim runs via tp->napi.poll inside of a software
5157          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5158          * no IRQ context deadlocks to worry about either.  Rejoice!
5159          */
5160         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5161                 if (!netif_queue_stopped(dev)) {
5162                         netif_stop_queue(dev);
5163
5164                         /* This is a hard error, log it. */
5165                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5166                                "queue awake!\n", dev->name);
5167                 }
5168                 return NETDEV_TX_BUSY;
5169         }
5170
5171         entry = tnapi->tx_prod;
5172         base_flags = 0;
5173         mss = 0;
5174         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5175                 int tcp_opt_len, ip_tcp_len;
5176
5177                 if (skb_header_cloned(skb) &&
5178                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5179                         dev_kfree_skb(skb);
5180                         goto out_unlock;
5181                 }
5182
5183                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5184                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
5185                 else {
5186                         struct iphdr *iph = ip_hdr(skb);
5187
5188                         tcp_opt_len = tcp_optlen(skb);
5189                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5190
5191                         iph->check = 0;
5192                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5193                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
5194                 }
5195
5196                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5197                                TXD_FLAG_CPU_POST_DMA);
5198
5199                 tcp_hdr(skb)->check = 0;
5200
5201         }
5202         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5203                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5204 #if TG3_VLAN_TAG_USED
5205         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5206                 base_flags |= (TXD_FLAG_VLAN |
5207                                (vlan_tx_tag_get(skb) << 16));
5208 #endif
5209
5210         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5211                 dev_kfree_skb(skb);
5212                 goto out_unlock;
5213         }
5214
5215         sp = skb_shinfo(skb);
5216
5217         mapping = sp->dma_head;
5218
5219         tnapi->tx_buffers[entry].skb = skb;
5220
5221         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5222                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5223
5224         entry = NEXT_TX(entry);
5225
5226         /* Now loop through additional data fragments, and queue them. */
5227         if (skb_shinfo(skb)->nr_frags > 0) {
5228                 unsigned int i, last;
5229
5230                 last = skb_shinfo(skb)->nr_frags - 1;
5231                 for (i = 0; i <= last; i++) {
5232                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5233
5234                         len = frag->size;
5235                         mapping = sp->dma_maps[i];
5236                         tnapi->tx_buffers[entry].skb = NULL;
5237
5238                         tg3_set_txd(tnapi, entry, mapping, len,
5239                                     base_flags, (i == last) | (mss << 1));
5240
5241                         entry = NEXT_TX(entry);
5242                 }
5243         }
5244
5245         /* Packets are ready, update Tx producer idx local and on card. */
5246         tw32_tx_mbox(tnapi->prodmbox, entry);
5247
5248         tnapi->tx_prod = entry;
5249         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5250                 netif_stop_queue(dev);
5251                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5252                         netif_wake_queue(tp->dev);
5253         }
5254
5255 out_unlock:
5256         mmiowb();
5257
5258         return NETDEV_TX_OK;
5259 }
5260
5261 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5262                                           struct net_device *);
5263
5264 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5265  * TSO header is greater than 80 bytes.
5266  */
5267 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5268 {
5269         struct sk_buff *segs, *nskb;
5270         u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5271
5272         /* Estimate the number of fragments in the worst case */
5273         if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5274                 netif_stop_queue(tp->dev);
5275                 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5276                         return NETDEV_TX_BUSY;
5277
5278                 netif_wake_queue(tp->dev);
5279         }
5280
5281         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5282         if (IS_ERR(segs))
5283                 goto tg3_tso_bug_end;
5284
5285         do {
5286                 nskb = segs;
5287                 segs = segs->next;
5288                 nskb->next = NULL;
5289                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5290         } while (segs);
5291
5292 tg3_tso_bug_end:
5293         dev_kfree_skb(skb);
5294
5295         return NETDEV_TX_OK;
5296 }
5297
5298 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5299  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5300  */
5301 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5302                                           struct net_device *dev)
5303 {
5304         struct tg3 *tp = netdev_priv(dev);
5305         u32 len, entry, base_flags, mss;
5306         struct skb_shared_info *sp;
5307         int would_hit_hwbug;
5308         dma_addr_t mapping;
5309         struct tg3_napi *tnapi = &tp->napi[0];
5310
5311         len = skb_headlen(skb);
5312
5313         /* We are running in BH disabled context with netif_tx_lock
5314          * and TX reclaim runs via tp->napi.poll inside of a software
5315          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5316          * no IRQ context deadlocks to worry about either.  Rejoice!
5317          */
5318         if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5319                 if (!netif_queue_stopped(dev)) {
5320                         netif_stop_queue(dev);
5321
5322                         /* This is a hard error, log it. */
5323                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5324                                "queue awake!\n", dev->name);
5325                 }
5326                 return NETDEV_TX_BUSY;
5327         }
5328
5329         entry = tnapi->tx_prod;
5330         base_flags = 0;
5331         if (skb->ip_summed == CHECKSUM_PARTIAL)
5332                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5333         mss = 0;
5334         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5335                 struct iphdr *iph;
5336                 int tcp_opt_len, ip_tcp_len, hdr_len;
5337
5338                 if (skb_header_cloned(skb) &&
5339                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5340                         dev_kfree_skb(skb);
5341                         goto out_unlock;
5342                 }
5343
5344                 tcp_opt_len = tcp_optlen(skb);
5345                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5346
5347                 hdr_len = ip_tcp_len + tcp_opt_len;
5348                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5349                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5350                         return (tg3_tso_bug(tp, skb));
5351
5352                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5353                                TXD_FLAG_CPU_POST_DMA);
5354
5355                 iph = ip_hdr(skb);
5356                 iph->check = 0;
5357                 iph->tot_len = htons(mss + hdr_len);
5358                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5359                         tcp_hdr(skb)->check = 0;
5360                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5361                 } else
5362                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5363                                                                  iph->daddr, 0,
5364                                                                  IPPROTO_TCP,
5365                                                                  0);
5366
5367                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
5368                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
5369                         if (tcp_opt_len || iph->ihl > 5) {
5370                                 int tsflags;
5371
5372                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5373                                 mss |= (tsflags << 11);
5374                         }
5375                 } else {
5376                         if (tcp_opt_len || iph->ihl > 5) {
5377                                 int tsflags;
5378
5379                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5380                                 base_flags |= tsflags << 12;
5381                         }
5382                 }
5383         }
5384 #if TG3_VLAN_TAG_USED
5385         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5386                 base_flags |= (TXD_FLAG_VLAN |
5387                                (vlan_tx_tag_get(skb) << 16));
5388 #endif
5389
5390         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5391                 dev_kfree_skb(skb);
5392                 goto out_unlock;
5393         }
5394
5395         sp = skb_shinfo(skb);
5396
5397         mapping = sp->dma_head;
5398
5399         tnapi->tx_buffers[entry].skb = skb;
5400
5401         would_hit_hwbug = 0;
5402
5403         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5404                 would_hit_hwbug = 1;
5405         else if (tg3_4g_overflow_test(mapping, len))
5406                 would_hit_hwbug = 1;
5407
5408         tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5409                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5410
5411         entry = NEXT_TX(entry);
5412
5413         /* Now loop through additional data fragments, and queue them. */
5414         if (skb_shinfo(skb)->nr_frags > 0) {
5415                 unsigned int i, last;
5416
5417                 last = skb_shinfo(skb)->nr_frags - 1;
5418                 for (i = 0; i <= last; i++) {
5419                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5420
5421                         len = frag->size;
5422                         mapping = sp->dma_maps[i];
5423
5424                         tnapi->tx_buffers[entry].skb = NULL;
5425
5426                         if (tg3_4g_overflow_test(mapping, len))
5427                                 would_hit_hwbug = 1;
5428
5429                         if (tg3_40bit_overflow_test(tp, mapping, len))
5430                                 would_hit_hwbug = 1;
5431
5432                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5433                                 tg3_set_txd(tnapi, entry, mapping, len,
5434                                             base_flags, (i == last)|(mss << 1));
5435                         else
5436                                 tg3_set_txd(tnapi, entry, mapping, len,
5437                                             base_flags, (i == last));
5438
5439                         entry = NEXT_TX(entry);
5440                 }
5441         }
5442
5443         if (would_hit_hwbug) {
5444                 u32 last_plus_one = entry;
5445                 u32 start;
5446
5447                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5448                 start &= (TG3_TX_RING_SIZE - 1);
5449
5450                 /* If the workaround fails due to memory/mapping
5451                  * failure, silently drop this packet.
5452                  */
5453                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
5454                                                 &start, base_flags, mss))
5455                         goto out_unlock;
5456
5457                 entry = start;
5458         }
5459
5460         /* Packets are ready, update Tx producer idx local and on card. */
5461         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, entry);
5462
5463         tnapi->tx_prod = entry;
5464         if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5465                 netif_stop_queue(dev);
5466                 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5467                         netif_wake_queue(tp->dev);
5468         }
5469
5470 out_unlock:
5471         mmiowb();
5472
5473         return NETDEV_TX_OK;
5474 }
5475
5476 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5477                                int new_mtu)
5478 {
5479         dev->mtu = new_mtu;
5480
5481         if (new_mtu > ETH_DATA_LEN) {
5482                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5483                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5484                         ethtool_op_set_tso(dev, 0);
5485                 }
5486                 else
5487                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5488         } else {
5489                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5490                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5491                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5492         }
5493 }
5494
5495 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5496 {
5497         struct tg3 *tp = netdev_priv(dev);
5498         int err;
5499
5500         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5501                 return -EINVAL;
5502
5503         if (!netif_running(dev)) {
5504                 /* We'll just catch it later when the
5505                  * device is up'd.
5506                  */
5507                 tg3_set_mtu(dev, tp, new_mtu);
5508                 return 0;
5509         }
5510
5511         tg3_phy_stop(tp);
5512
5513         tg3_netif_stop(tp);
5514
5515         tg3_full_lock(tp, 1);
5516
5517         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5518
5519         tg3_set_mtu(dev, tp, new_mtu);
5520
5521         err = tg3_restart_hw(tp, 0);
5522
5523         if (!err)
5524                 tg3_netif_start(tp);
5525
5526         tg3_full_unlock(tp);
5527
5528         if (!err)
5529                 tg3_phy_start(tp);
5530
5531         return err;
5532 }
5533
5534 static void tg3_rx_prodring_free(struct tg3 *tp,
5535                                  struct tg3_rx_prodring_set *tpr)
5536 {
5537         int i;
5538         struct ring_info *rxp;
5539
5540         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5541                 rxp = &tpr->rx_std_buffers[i];
5542
5543                 if (rxp->skb == NULL)
5544                         continue;
5545
5546                 pci_unmap_single(tp->pdev,
5547                                  pci_unmap_addr(rxp, mapping),
5548                                  tp->rx_pkt_map_sz,
5549                                  PCI_DMA_FROMDEVICE);
5550                 dev_kfree_skb_any(rxp->skb);
5551                 rxp->skb = NULL;
5552         }
5553
5554         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5555                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5556                         rxp = &tpr->rx_jmb_buffers[i];
5557
5558                         if (rxp->skb == NULL)
5559                                 continue;
5560
5561                         pci_unmap_single(tp->pdev,
5562                                          pci_unmap_addr(rxp, mapping),
5563                                          TG3_RX_JMB_MAP_SZ,
5564                                          PCI_DMA_FROMDEVICE);
5565                         dev_kfree_skb_any(rxp->skb);
5566                         rxp->skb = NULL;
5567                 }
5568         }
5569 }
5570
5571 /* Initialize tx/rx rings for packet processing.
5572  *
5573  * The chip has been shut down and the driver detached from
5574  * the networking, so no interrupts or new tx packets will
5575  * end up in the driver.  tp->{tx,}lock are held and thus
5576  * we may not sleep.
5577  */
5578 static int tg3_rx_prodring_alloc(struct tg3 *tp,
5579                                  struct tg3_rx_prodring_set *tpr)
5580 {
5581         u32 i, rx_pkt_dma_sz;
5582         struct tg3_napi *tnapi = &tp->napi[0];
5583
5584         /* Zero out all descriptors. */
5585         memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
5586
5587         rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
5588         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
5589             tp->dev->mtu > ETH_DATA_LEN)
5590                 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
5591         tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
5592
5593         /* Initialize invariants of the rings, we only set this
5594          * stuff once.  This works because the card does not
5595          * write into the rx buffer posting rings.
5596          */
5597         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5598                 struct tg3_rx_buffer_desc *rxd;
5599
5600                 rxd = &tpr->rx_std[i];
5601                 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
5602                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5603                 rxd->opaque = (RXD_OPAQUE_RING_STD |
5604                                (i << RXD_OPAQUE_INDEX_SHIFT));
5605         }
5606
5607         /* Now allocate fresh SKBs for each rx ring. */
5608         for (i = 0; i < tp->rx_pending; i++) {
5609                 if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, -1, i) < 0) {
5610                         printk(KERN_WARNING PFX
5611                                "%s: Using a smaller RX standard ring, "
5612                                "only %d out of %d buffers were allocated "
5613                                "successfully.\n",
5614                                tp->dev->name, i, tp->rx_pending);
5615                         if (i == 0)
5616                                 goto initfail;
5617                         tp->rx_pending = i;
5618                         break;
5619                 }
5620         }
5621
5622         if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
5623                 goto done;
5624
5625         memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
5626
5627         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5628                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5629                         struct tg3_rx_buffer_desc *rxd;
5630
5631                         rxd = &tpr->rx_jmb[i].std;
5632                         rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
5633                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5634                                 RXD_FLAG_JUMBO;
5635                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5636                                (i << RXD_OPAQUE_INDEX_SHIFT));
5637                 }
5638
5639                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
5640                         if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_JUMBO,
5641                                              -1, i) < 0) {
5642                                 printk(KERN_WARNING PFX
5643                                        "%s: Using a smaller RX jumbo ring, "
5644                                        "only %d out of %d buffers were "
5645                                        "allocated successfully.\n",
5646                                        tp->dev->name, i, tp->rx_jumbo_pending);
5647                                 if (i == 0)
5648                                         goto initfail;
5649                                 tp->rx_jumbo_pending = i;
5650                                 break;
5651                         }
5652                 }
5653         }
5654
5655 done:
5656         return 0;
5657
5658 initfail:
5659         tg3_rx_prodring_free(tp, tpr);
5660         return -ENOMEM;
5661 }
5662
5663 static void tg3_rx_prodring_fini(struct tg3 *tp,
5664                                  struct tg3_rx_prodring_set *tpr)
5665 {
5666         kfree(tpr->rx_std_buffers);
5667         tpr->rx_std_buffers = NULL;
5668         kfree(tpr->rx_jmb_buffers);
5669         tpr->rx_jmb_buffers = NULL;
5670         if (tpr->rx_std) {
5671                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
5672                                     tpr->rx_std, tpr->rx_std_mapping);
5673                 tpr->rx_std = NULL;
5674         }
5675         if (tpr->rx_jmb) {
5676                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5677                                     tpr->rx_jmb, tpr->rx_jmb_mapping);
5678                 tpr->rx_jmb = NULL;
5679         }
5680 }
5681
5682 static int tg3_rx_prodring_init(struct tg3 *tp,
5683                                 struct tg3_rx_prodring_set *tpr)
5684 {
5685         tpr->rx_std_buffers = kzalloc(sizeof(struct ring_info) *
5686                                       TG3_RX_RING_SIZE, GFP_KERNEL);
5687         if (!tpr->rx_std_buffers)
5688                 return -ENOMEM;
5689
5690         tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5691                                            &tpr->rx_std_mapping);
5692         if (!tpr->rx_std)
5693                 goto err_out;
5694
5695         if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5696                 tpr->rx_jmb_buffers = kzalloc(sizeof(struct ring_info) *
5697                                               TG3_RX_JUMBO_RING_SIZE,
5698                                               GFP_KERNEL);
5699                 if (!tpr->rx_jmb_buffers)
5700                         goto err_out;
5701
5702                 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
5703                                                    TG3_RX_JUMBO_RING_BYTES,
5704                                                    &tpr->rx_jmb_mapping);
5705                 if (!tpr->rx_jmb)
5706                         goto err_out;
5707         }
5708
5709         return 0;
5710
5711 err_out:
5712         tg3_rx_prodring_fini(tp, tpr);
5713         return -ENOMEM;
5714 }
5715
5716 /* Free up pending packets in all rx/tx rings.
5717  *
5718  * The chip has been shut down and the driver detached from
5719  * the networking, so no interrupts or new tx packets will
5720  * end up in the driver.  tp->{tx,}lock is not held and we are not
5721  * in an interrupt context and thus may sleep.
5722  */
5723 static void tg3_free_rings(struct tg3 *tp)
5724 {
5725         struct tg3_napi *tnapi = &tp->napi[0];
5726         int i;
5727
5728         for (i = 0; i < TG3_TX_RING_SIZE; ) {
5729                 struct tx_ring_info *txp;
5730                 struct sk_buff *skb;
5731
5732                 txp = &tnapi->tx_buffers[i];
5733                 skb = txp->skb;
5734
5735                 if (skb == NULL) {
5736                         i++;
5737                         continue;
5738                 }
5739
5740                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5741
5742                 txp->skb = NULL;
5743
5744                 i += skb_shinfo(skb)->nr_frags + 1;
5745
5746                 dev_kfree_skb_any(skb);
5747         }
5748
5749         tg3_rx_prodring_free(tp, &tp->prodring[0]);
5750 }
5751
5752 /* Initialize tx/rx rings for packet processing.
5753  *
5754  * The chip has been shut down and the driver detached from
5755  * the networking, so no interrupts or new tx packets will
5756  * end up in the driver.  tp->{tx,}lock are held and thus
5757  * we may not sleep.
5758  */
5759 static int tg3_init_rings(struct tg3 *tp)
5760 {
5761         struct tg3_napi *tnapi = &tp->napi[0];
5762
5763         /* Free up all the SKBs. */
5764         tg3_free_rings(tp);
5765
5766         /* Zero out all descriptors. */
5767         memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
5768
5769         tnapi->rx_rcb_ptr = 0;
5770         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5771
5772         return tg3_rx_prodring_alloc(tp, &tp->prodring[0]);
5773 }
5774
5775 /*
5776  * Must not be invoked with interrupt sources disabled and
5777  * the hardware shutdown down.
5778  */
5779 static void tg3_free_consistent(struct tg3 *tp)
5780 {
5781         struct tg3_napi *tnapi = &tp->napi[0];
5782
5783         kfree(tnapi->tx_buffers);
5784         tnapi->tx_buffers = NULL;
5785         if (tnapi->tx_ring) {
5786                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5787                         tnapi->tx_ring, tnapi->tx_desc_mapping);
5788                 tnapi->tx_ring = NULL;
5789         }
5790         if (tnapi->rx_rcb) {
5791                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5792                                     tnapi->rx_rcb, tnapi->rx_rcb_mapping);
5793                 tnapi->rx_rcb = NULL;
5794         }
5795         if (tnapi->hw_status) {
5796                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5797                                     tnapi->hw_status,
5798                                     tnapi->status_mapping);
5799                 tnapi->hw_status = NULL;
5800         }
5801         if (tp->hw_stats) {
5802                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5803                                     tp->hw_stats, tp->stats_mapping);
5804                 tp->hw_stats = NULL;
5805         }
5806         tg3_rx_prodring_fini(tp, &tp->prodring[0]);
5807 }
5808
5809 /*
5810  * Must not be invoked with interrupt sources disabled and
5811  * the hardware shutdown down.  Can sleep.
5812  */
5813 static int tg3_alloc_consistent(struct tg3 *tp)
5814 {
5815         struct tg3_napi *tnapi = &tp->napi[0];
5816
5817         if (tg3_rx_prodring_init(tp, &tp->prodring[0]))
5818                 return -ENOMEM;
5819
5820         tnapi->tx_buffers = kzalloc(sizeof(struct tx_ring_info) *
5821                                     TG3_TX_RING_SIZE, GFP_KERNEL);
5822         if (!tnapi->tx_buffers)
5823                 goto err_out;
5824
5825         tnapi->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
5826                                               &tnapi->tx_desc_mapping);
5827         if (!tnapi->tx_ring)
5828                 goto err_out;
5829
5830         tnapi->hw_status = pci_alloc_consistent(tp->pdev,
5831                                                 TG3_HW_STATUS_SIZE,
5832                                                 &tnapi->status_mapping);
5833         if (!tnapi->hw_status)
5834                 goto err_out;
5835
5836         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
5837
5838         tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
5839                                              TG3_RX_RCB_RING_BYTES(tp),
5840                                              &tnapi->rx_rcb_mapping);
5841         if (!tnapi->rx_rcb)
5842                 goto err_out;
5843
5844         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5845
5846         tp->hw_stats = pci_alloc_consistent(tp->pdev,
5847                                             sizeof(struct tg3_hw_stats),
5848                                             &tp->stats_mapping);
5849         if (!tp->hw_stats)
5850                 goto err_out;
5851
5852         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5853
5854         return 0;
5855
5856 err_out:
5857         tg3_free_consistent(tp);
5858         return -ENOMEM;
5859 }
5860
5861 #define MAX_WAIT_CNT 1000
5862
5863 /* To stop a block, clear the enable bit and poll till it
5864  * clears.  tp->lock is held.
5865  */
5866 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
5867 {
5868         unsigned int i;
5869         u32 val;
5870
5871         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5872                 switch (ofs) {
5873                 case RCVLSC_MODE:
5874                 case DMAC_MODE:
5875                 case MBFREE_MODE:
5876                 case BUFMGR_MODE:
5877                 case MEMARB_MODE:
5878                         /* We can't enable/disable these bits of the
5879                          * 5705/5750, just say success.
5880                          */
5881                         return 0;
5882
5883                 default:
5884                         break;
5885                 }
5886         }
5887
5888         val = tr32(ofs);
5889         val &= ~enable_bit;
5890         tw32_f(ofs, val);
5891
5892         for (i = 0; i < MAX_WAIT_CNT; i++) {
5893                 udelay(100);
5894                 val = tr32(ofs);
5895                 if ((val & enable_bit) == 0)
5896                         break;
5897         }
5898
5899         if (i == MAX_WAIT_CNT && !silent) {
5900                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
5901                        "ofs=%lx enable_bit=%x\n",
5902                        ofs, enable_bit);
5903                 return -ENODEV;
5904         }
5905
5906         return 0;
5907 }
5908
5909 /* tp->lock is held. */
5910 static int tg3_abort_hw(struct tg3 *tp, int silent)
5911 {
5912         int i, err;
5913         struct tg3_napi *tnapi = &tp->napi[0];
5914
5915         tg3_disable_ints(tp);
5916
5917         tp->rx_mode &= ~RX_MODE_ENABLE;
5918         tw32_f(MAC_RX_MODE, tp->rx_mode);
5919         udelay(10);
5920
5921         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
5922         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
5923         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
5924         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
5925         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
5926         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
5927
5928         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
5929         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
5930         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
5931         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
5932         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
5933         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
5934         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
5935
5936         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
5937         tw32_f(MAC_MODE, tp->mac_mode);
5938         udelay(40);
5939
5940         tp->tx_mode &= ~TX_MODE_ENABLE;
5941         tw32_f(MAC_TX_MODE, tp->tx_mode);
5942
5943         for (i = 0; i < MAX_WAIT_CNT; i++) {
5944                 udelay(100);
5945                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
5946                         break;
5947         }
5948         if (i >= MAX_WAIT_CNT) {
5949                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
5950                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
5951                        tp->dev->name, tr32(MAC_TX_MODE));
5952                 err |= -ENODEV;
5953         }
5954
5955         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
5956         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
5957         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
5958
5959         tw32(FTQ_RESET, 0xffffffff);
5960         tw32(FTQ_RESET, 0x00000000);
5961
5962         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
5963         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
5964
5965         if (tnapi->hw_status)
5966                 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
5967         if (tp->hw_stats)
5968                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5969
5970         return err;
5971 }
5972
5973 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
5974 {
5975         int i;
5976         u32 apedata;
5977
5978         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
5979         if (apedata != APE_SEG_SIG_MAGIC)
5980                 return;
5981
5982         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
5983         if (!(apedata & APE_FW_STATUS_READY))
5984                 return;
5985
5986         /* Wait for up to 1 millisecond for APE to service previous event. */
5987         for (i = 0; i < 10; i++) {
5988                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
5989                         return;
5990
5991                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
5992
5993                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5994                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
5995                                         event | APE_EVENT_STATUS_EVENT_PENDING);
5996
5997                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
5998
5999                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6000                         break;
6001
6002                 udelay(100);
6003         }
6004
6005         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6006                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6007 }
6008
6009 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6010 {
6011         u32 event;
6012         u32 apedata;
6013
6014         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6015                 return;
6016
6017         switch (kind) {
6018                 case RESET_KIND_INIT:
6019                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6020                                         APE_HOST_SEG_SIG_MAGIC);
6021                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6022                                         APE_HOST_SEG_LEN_MAGIC);
6023                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6024                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6025                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6026                                         APE_HOST_DRIVER_ID_MAGIC);
6027                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6028                                         APE_HOST_BEHAV_NO_PHYLOCK);
6029
6030                         event = APE_EVENT_STATUS_STATE_START;
6031                         break;
6032                 case RESET_KIND_SHUTDOWN:
6033                         /* With the interface we are currently using,
6034                          * APE does not track driver state.  Wiping
6035                          * out the HOST SEGMENT SIGNATURE forces
6036                          * the APE to assume OS absent status.
6037                          */
6038                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6039
6040                         event = APE_EVENT_STATUS_STATE_UNLOAD;
6041                         break;
6042                 case RESET_KIND_SUSPEND:
6043                         event = APE_EVENT_STATUS_STATE_SUSPEND;
6044                         break;
6045                 default:
6046                         return;
6047         }
6048
6049         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6050
6051         tg3_ape_send_event(tp, event);
6052 }
6053
6054 /* tp->lock is held. */
6055 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6056 {
6057         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6058                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6059
6060         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6061                 switch (kind) {
6062                 case RESET_KIND_INIT:
6063                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6064                                       DRV_STATE_START);
6065                         break;
6066
6067                 case RESET_KIND_SHUTDOWN:
6068                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6069                                       DRV_STATE_UNLOAD);
6070                         break;
6071
6072                 case RESET_KIND_SUSPEND:
6073                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6074                                       DRV_STATE_SUSPEND);
6075                         break;
6076
6077                 default:
6078                         break;
6079                 }
6080         }
6081
6082         if (kind == RESET_KIND_INIT ||
6083             kind == RESET_KIND_SUSPEND)
6084                 tg3_ape_driver_state_change(tp, kind);
6085 }
6086
6087 /* tp->lock is held. */
6088 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6089 {
6090         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6091                 switch (kind) {
6092                 case RESET_KIND_INIT:
6093                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6094                                       DRV_STATE_START_DONE);
6095                         break;
6096
6097                 case RESET_KIND_SHUTDOWN:
6098                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6099                                       DRV_STATE_UNLOAD_DONE);
6100                         break;
6101
6102                 default:
6103                         break;
6104                 }
6105         }
6106
6107         if (kind == RESET_KIND_SHUTDOWN)
6108                 tg3_ape_driver_state_change(tp, kind);
6109 }
6110
6111 /* tp->lock is held. */
6112 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6113 {
6114         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6115                 switch (kind) {
6116                 case RESET_KIND_INIT:
6117                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6118                                       DRV_STATE_START);
6119                         break;
6120
6121                 case RESET_KIND_SHUTDOWN:
6122                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6123                                       DRV_STATE_UNLOAD);
6124                         break;
6125
6126                 case RESET_KIND_SUSPEND:
6127                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6128                                       DRV_STATE_SUSPEND);
6129                         break;
6130
6131                 default:
6132                         break;
6133                 }
6134         }
6135 }
6136
6137 static int tg3_poll_fw(struct tg3 *tp)
6138 {
6139         int i;
6140         u32 val;
6141
6142         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6143                 /* Wait up to 20ms for init done. */
6144                 for (i = 0; i < 200; i++) {
6145                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6146                                 return 0;
6147                         udelay(100);
6148                 }
6149                 return -ENODEV;
6150         }
6151
6152         /* Wait for firmware initialization to complete. */
6153         for (i = 0; i < 100000; i++) {
6154                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6155                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6156                         break;
6157                 udelay(10);
6158         }
6159
6160         /* Chip might not be fitted with firmware.  Some Sun onboard
6161          * parts are configured like that.  So don't signal the timeout
6162          * of the above loop as an error, but do report the lack of
6163          * running firmware once.
6164          */
6165         if (i >= 100000 &&
6166             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6167                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6168
6169                 printk(KERN_INFO PFX "%s: No firmware running.\n",
6170                        tp->dev->name);
6171         }
6172
6173         return 0;
6174 }
6175
6176 /* Save PCI command register before chip reset */
6177 static void tg3_save_pci_state(struct tg3 *tp)
6178 {
6179         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6180 }
6181
6182 /* Restore PCI state after chip reset */
6183 static void tg3_restore_pci_state(struct tg3 *tp)
6184 {
6185         u32 val;
6186
6187         /* Re-enable indirect register accesses. */
6188         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6189                                tp->misc_host_ctrl);
6190
6191         /* Set MAX PCI retry to zero. */
6192         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6193         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6194             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6195                 val |= PCISTATE_RETRY_SAME_DMA;
6196         /* Allow reads and writes to the APE register and memory space. */
6197         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6198                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6199                        PCISTATE_ALLOW_APE_SHMEM_WR;
6200         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6201
6202         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6203
6204         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6205                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6206                         pcie_set_readrq(tp->pdev, 4096);
6207                 else {
6208                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6209                                               tp->pci_cacheline_sz);
6210                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6211                                               tp->pci_lat_timer);
6212                 }
6213         }
6214
6215         /* Make sure PCI-X relaxed ordering bit is clear. */
6216         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6217                 u16 pcix_cmd;
6218
6219                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6220                                      &pcix_cmd);
6221                 pcix_cmd &= ~PCI_X_CMD_ERO;
6222                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6223                                       pcix_cmd);
6224         }
6225
6226         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6227
6228                 /* Chip reset on 5780 will reset MSI enable bit,
6229                  * so need to restore it.
6230                  */
6231                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6232                         u16 ctrl;
6233
6234                         pci_read_config_word(tp->pdev,
6235                                              tp->msi_cap + PCI_MSI_FLAGS,
6236                                              &ctrl);
6237                         pci_write_config_word(tp->pdev,
6238                                               tp->msi_cap + PCI_MSI_FLAGS,
6239                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6240                         val = tr32(MSGINT_MODE);
6241                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6242                 }
6243         }
6244 }
6245
6246 static void tg3_stop_fw(struct tg3 *);
6247
6248 /* tp->lock is held. */
6249 static int tg3_chip_reset(struct tg3 *tp)
6250 {
6251         u32 val;
6252         void (*write_op)(struct tg3 *, u32, u32);
6253         int i, err;
6254
6255         tg3_nvram_lock(tp);
6256
6257         tg3_mdio_stop(tp);
6258
6259         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6260
6261         /* No matching tg3_nvram_unlock() after this because
6262          * chip reset below will undo the nvram lock.
6263          */
6264         tp->nvram_lock_cnt = 0;
6265
6266         /* GRC_MISC_CFG core clock reset will clear the memory
6267          * enable bit in PCI register 4 and the MSI enable bit
6268          * on some chips, so we save relevant registers here.
6269          */
6270         tg3_save_pci_state(tp);
6271
6272         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6273             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6274                 tw32(GRC_FASTBOOT_PC, 0);
6275
6276         /*
6277          * We must avoid the readl() that normally takes place.
6278          * It locks machines, causes machine checks, and other
6279          * fun things.  So, temporarily disable the 5701
6280          * hardware workaround, while we do the reset.
6281          */
6282         write_op = tp->write32;
6283         if (write_op == tg3_write_flush_reg32)
6284                 tp->write32 = tg3_write32;
6285
6286         /* Prevent the irq handler from reading or writing PCI registers
6287          * during chip reset when the memory enable bit in the PCI command
6288          * register may be cleared.  The chip does not generate interrupt
6289          * at this time, but the irq handler may still be called due to irq
6290          * sharing or irqpoll.
6291          */
6292         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6293         if (tp->napi[0].hw_status) {
6294                 tp->napi[0].hw_status->status = 0;
6295                 tp->napi[0].hw_status->status_tag = 0;
6296         }
6297         tp->napi[0].last_tag = 0;
6298         tp->napi[0].last_irq_tag = 0;
6299         smp_mb();
6300
6301         for (i = 0; i < tp->irq_cnt; i++)
6302                 synchronize_irq(tp->napi[i].irq_vec);
6303
6304         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6305                 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6306                 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6307         }
6308
6309         /* do the reset */
6310         val = GRC_MISC_CFG_CORECLK_RESET;
6311
6312         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6313                 if (tr32(0x7e2c) == 0x60) {
6314                         tw32(0x7e2c, 0x20);
6315                 }
6316                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6317                         tw32(GRC_MISC_CFG, (1 << 29));
6318                         val |= (1 << 29);
6319                 }
6320         }
6321
6322         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6323                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6324                 tw32(GRC_VCPU_EXT_CTRL,
6325                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6326         }
6327
6328         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6329                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6330         tw32(GRC_MISC_CFG, val);
6331
6332         /* restore 5701 hardware bug workaround write method */
6333         tp->write32 = write_op;
6334
6335         /* Unfortunately, we have to delay before the PCI read back.
6336          * Some 575X chips even will not respond to a PCI cfg access
6337          * when the reset command is given to the chip.
6338          *
6339          * How do these hardware designers expect things to work
6340          * properly if the PCI write is posted for a long period
6341          * of time?  It is always necessary to have some method by
6342          * which a register read back can occur to push the write
6343          * out which does the reset.
6344          *
6345          * For most tg3 variants the trick below was working.
6346          * Ho hum...
6347          */
6348         udelay(120);
6349
6350         /* Flush PCI posted writes.  The normal MMIO registers
6351          * are inaccessible at this time so this is the only
6352          * way to make this reliably (actually, this is no longer
6353          * the case, see above).  I tried to use indirect
6354          * register read/write but this upset some 5701 variants.
6355          */
6356         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6357
6358         udelay(120);
6359
6360         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6361                 u16 val16;
6362
6363                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6364                         int i;
6365                         u32 cfg_val;
6366
6367                         /* Wait for link training to complete.  */
6368                         for (i = 0; i < 5000; i++)
6369                                 udelay(100);
6370
6371                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6372                         pci_write_config_dword(tp->pdev, 0xc4,
6373                                                cfg_val | (1 << 15));
6374                 }
6375
6376                 /* Clear the "no snoop" and "relaxed ordering" bits. */
6377                 pci_read_config_word(tp->pdev,
6378                                      tp->pcie_cap + PCI_EXP_DEVCTL,
6379                                      &val16);
6380                 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6381                            PCI_EXP_DEVCTL_NOSNOOP_EN);
6382                 /*
6383                  * Older PCIe devices only support the 128 byte
6384                  * MPS setting.  Enforce the restriction.
6385                  */
6386                 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6387                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6388                         val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6389                 pci_write_config_word(tp->pdev,
6390                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6391                                       val16);
6392
6393                 pcie_set_readrq(tp->pdev, 4096);
6394
6395                 /* Clear error status */
6396                 pci_write_config_word(tp->pdev,
6397                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6398                                       PCI_EXP_DEVSTA_CED |
6399                                       PCI_EXP_DEVSTA_NFED |
6400                                       PCI_EXP_DEVSTA_FED |
6401                                       PCI_EXP_DEVSTA_URD);
6402         }
6403
6404         tg3_restore_pci_state(tp);
6405
6406         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6407
6408         val = 0;
6409         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6410                 val = tr32(MEMARB_MODE);
6411         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6412
6413         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6414                 tg3_stop_fw(tp);
6415                 tw32(0x5000, 0x400);
6416         }
6417
6418         tw32(GRC_MODE, tp->grc_mode);
6419
6420         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6421                 val = tr32(0xc4);
6422
6423                 tw32(0xc4, val | (1 << 15));
6424         }
6425
6426         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6427             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6428                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6429                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6430                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6431                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6432         }
6433
6434         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6435                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6436                 tw32_f(MAC_MODE, tp->mac_mode);
6437         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6438                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6439                 tw32_f(MAC_MODE, tp->mac_mode);
6440         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6441                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6442                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6443                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6444                 tw32_f(MAC_MODE, tp->mac_mode);
6445         } else
6446                 tw32_f(MAC_MODE, 0);
6447         udelay(40);
6448
6449         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6450
6451         err = tg3_poll_fw(tp);
6452         if (err)
6453                 return err;
6454
6455         tg3_mdio_start(tp);
6456
6457         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
6458             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6459                 val = tr32(0x7c00);
6460
6461                 tw32(0x7c00, val | (1 << 25));
6462         }
6463
6464         /* Reprobe ASF enable state.  */
6465         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6466         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6467         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6468         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6469                 u32 nic_cfg;
6470
6471                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6472                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6473                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
6474                         tp->last_event_jiffies = jiffies;
6475                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
6476                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6477                 }
6478         }
6479
6480         return 0;
6481 }
6482
6483 /* tp->lock is held. */
6484 static void tg3_stop_fw(struct tg3 *tp)
6485 {
6486         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6487            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
6488                 /* Wait for RX cpu to ACK the previous event. */
6489                 tg3_wait_for_event_ack(tp);
6490
6491                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
6492
6493                 tg3_generate_fw_event(tp);
6494
6495                 /* Wait for RX cpu to ACK this event. */
6496                 tg3_wait_for_event_ack(tp);
6497         }
6498 }
6499
6500 /* tp->lock is held. */
6501 static int tg3_halt(struct tg3 *tp, int kind, int silent)
6502 {
6503         int err;
6504
6505         tg3_stop_fw(tp);
6506
6507         tg3_write_sig_pre_reset(tp, kind);
6508
6509         tg3_abort_hw(tp, silent);
6510         err = tg3_chip_reset(tp);
6511
6512         __tg3_set_mac_addr(tp, 0);
6513
6514         tg3_write_sig_legacy(tp, kind);
6515         tg3_write_sig_post_reset(tp, kind);
6516
6517         if (err)
6518                 return err;
6519
6520         return 0;
6521 }
6522
6523 #define RX_CPU_SCRATCH_BASE     0x30000
6524 #define RX_CPU_SCRATCH_SIZE     0x04000
6525 #define TX_CPU_SCRATCH_BASE     0x34000
6526 #define TX_CPU_SCRATCH_SIZE     0x04000
6527
6528 /* tp->lock is held. */
6529 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6530 {
6531         int i;
6532
6533         BUG_ON(offset == TX_CPU_BASE &&
6534             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
6535
6536         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6537                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6538
6539                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6540                 return 0;
6541         }
6542         if (offset == RX_CPU_BASE) {
6543                 for (i = 0; i < 10000; i++) {
6544                         tw32(offset + CPU_STATE, 0xffffffff);
6545                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6546                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6547                                 break;
6548                 }
6549
6550                 tw32(offset + CPU_STATE, 0xffffffff);
6551                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
6552                 udelay(10);
6553         } else {
6554                 for (i = 0; i < 10000; i++) {
6555                         tw32(offset + CPU_STATE, 0xffffffff);
6556                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6557                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6558                                 break;
6559                 }
6560         }
6561
6562         if (i >= 10000) {
6563                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6564                        "and %s CPU\n",
6565                        tp->dev->name,
6566                        (offset == RX_CPU_BASE ? "RX" : "TX"));
6567                 return -ENODEV;
6568         }
6569
6570         /* Clear firmware's nvram arbitration. */
6571         if (tp->tg3_flags & TG3_FLAG_NVRAM)
6572                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
6573         return 0;
6574 }
6575
6576 struct fw_info {
6577         unsigned int fw_base;
6578         unsigned int fw_len;
6579         const __be32 *fw_data;
6580 };
6581
6582 /* tp->lock is held. */
6583 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6584                                  int cpu_scratch_size, struct fw_info *info)
6585 {
6586         int err, lock_err, i;
6587         void (*write_op)(struct tg3 *, u32, u32);
6588
6589         if (cpu_base == TX_CPU_BASE &&
6590             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6591                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6592                        "TX cpu firmware on %s which is 5705.\n",
6593                        tp->dev->name);
6594                 return -EINVAL;
6595         }
6596
6597         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6598                 write_op = tg3_write_mem;
6599         else
6600                 write_op = tg3_write_indirect_reg32;
6601
6602         /* It is possible that bootcode is still loading at this point.
6603          * Get the nvram lock first before halting the cpu.
6604          */
6605         lock_err = tg3_nvram_lock(tp);
6606         err = tg3_halt_cpu(tp, cpu_base);
6607         if (!lock_err)
6608                 tg3_nvram_unlock(tp);
6609         if (err)
6610                 goto out;
6611
6612         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6613                 write_op(tp, cpu_scratch_base + i, 0);
6614         tw32(cpu_base + CPU_STATE, 0xffffffff);
6615         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
6616         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
6617                 write_op(tp, (cpu_scratch_base +
6618                               (info->fw_base & 0xffff) +
6619                               (i * sizeof(u32))),
6620                               be32_to_cpu(info->fw_data[i]));
6621
6622         err = 0;
6623
6624 out:
6625         return err;
6626 }
6627
6628 /* tp->lock is held. */
6629 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6630 {
6631         struct fw_info info;
6632         const __be32 *fw_data;
6633         int err, i;
6634
6635         fw_data = (void *)tp->fw->data;
6636
6637         /* Firmware blob starts with version numbers, followed by
6638            start address and length. We are setting complete length.
6639            length = end_address_of_bss - start_address_of_text.
6640            Remainder is the blob to be loaded contiguously
6641            from start address. */
6642
6643         info.fw_base = be32_to_cpu(fw_data[1]);
6644         info.fw_len = tp->fw->size - 12;
6645         info.fw_data = &fw_data[3];
6646
6647         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6648                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6649                                     &info);
6650         if (err)
6651                 return err;
6652
6653         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6654                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6655                                     &info);
6656         if (err)
6657                 return err;
6658
6659         /* Now startup only the RX cpu. */
6660         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6661         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6662
6663         for (i = 0; i < 5; i++) {
6664                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
6665                         break;
6666                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6667                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
6668                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6669                 udelay(1000);
6670         }
6671         if (i >= 5) {
6672                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6673                        "to set RX CPU PC, is %08x should be %08x\n",
6674                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
6675                        info.fw_base);
6676                 return -ENODEV;
6677         }
6678         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6679         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
6680
6681         return 0;
6682 }
6683
6684 /* 5705 needs a special version of the TSO firmware.  */
6685
6686 /* tp->lock is held. */
6687 static int tg3_load_tso_firmware(struct tg3 *tp)
6688 {
6689         struct fw_info info;
6690         const __be32 *fw_data;
6691         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6692         int err, i;
6693
6694         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6695                 return 0;
6696
6697         fw_data = (void *)tp->fw->data;
6698
6699         /* Firmware blob starts with version numbers, followed by
6700            start address and length. We are setting complete length.
6701            length = end_address_of_bss - start_address_of_text.
6702            Remainder is the blob to be loaded contiguously
6703            from start address. */
6704
6705         info.fw_base = be32_to_cpu(fw_data[1]);
6706         cpu_scratch_size = tp->fw_len;
6707         info.fw_len = tp->fw->size - 12;
6708         info.fw_data = &fw_data[3];
6709
6710         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6711                 cpu_base = RX_CPU_BASE;
6712                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6713         } else {
6714                 cpu_base = TX_CPU_BASE;
6715                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6716                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6717         }
6718
6719         err = tg3_load_firmware_cpu(tp, cpu_base,
6720                                     cpu_scratch_base, cpu_scratch_size,
6721                                     &info);
6722         if (err)
6723                 return err;
6724
6725         /* Now startup the cpu. */
6726         tw32(cpu_base + CPU_STATE, 0xffffffff);
6727         tw32_f(cpu_base + CPU_PC, info.fw_base);
6728
6729         for (i = 0; i < 5; i++) {
6730                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
6731                         break;
6732                 tw32(cpu_base + CPU_STATE, 0xffffffff);
6733                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
6734                 tw32_f(cpu_base + CPU_PC, info.fw_base);
6735                 udelay(1000);
6736         }
6737         if (i >= 5) {
6738                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6739                        "to set CPU PC, is %08x should be %08x\n",
6740                        tp->dev->name, tr32(cpu_base + CPU_PC),
6741                        info.fw_base);
6742                 return -ENODEV;
6743         }
6744         tw32(cpu_base + CPU_STATE, 0xffffffff);
6745         tw32_f(cpu_base + CPU_MODE,  0x00000000);
6746         return 0;
6747 }
6748
6749
6750 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6751 {
6752         struct tg3 *tp = netdev_priv(dev);
6753         struct sockaddr *addr = p;
6754         int err = 0, skip_mac_1 = 0;
6755
6756         if (!is_valid_ether_addr(addr->sa_data))
6757                 return -EINVAL;
6758
6759         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6760
6761         if (!netif_running(dev))
6762                 return 0;
6763
6764         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6765                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6766
6767                 addr0_high = tr32(MAC_ADDR_0_HIGH);
6768                 addr0_low = tr32(MAC_ADDR_0_LOW);
6769                 addr1_high = tr32(MAC_ADDR_1_HIGH);
6770                 addr1_low = tr32(MAC_ADDR_1_LOW);
6771
6772                 /* Skip MAC addr 1 if ASF is using it. */
6773                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6774                     !(addr1_high == 0 && addr1_low == 0))
6775                         skip_mac_1 = 1;
6776         }
6777         spin_lock_bh(&tp->lock);
6778         __tg3_set_mac_addr(tp, skip_mac_1);
6779         spin_unlock_bh(&tp->lock);
6780
6781         return err;
6782 }
6783
6784 /* tp->lock is held. */
6785 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6786                            dma_addr_t mapping, u32 maxlen_flags,
6787                            u32 nic_addr)
6788 {
6789         tg3_write_mem(tp,
6790                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6791                       ((u64) mapping >> 32));
6792         tg3_write_mem(tp,
6793                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6794                       ((u64) mapping & 0xffffffff));
6795         tg3_write_mem(tp,
6796                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6797                        maxlen_flags);
6798
6799         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6800                 tg3_write_mem(tp,
6801                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6802                               nic_addr);
6803 }
6804
6805 static void __tg3_set_rx_mode(struct net_device *);
6806 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6807 {
6808         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6809         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6810         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6811         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6812         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6813                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6814                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6815         }
6816         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6817         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6818         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6819                 u32 val = ec->stats_block_coalesce_usecs;
6820
6821                 if (!netif_carrier_ok(tp->dev))
6822                         val = 0;
6823
6824                 tw32(HOSTCC_STAT_COAL_TICKS, val);
6825         }
6826 }
6827
6828 /* tp->lock is held. */
6829 static void tg3_rings_reset(struct tg3 *tp)
6830 {
6831         int i;
6832         u32 txrcb, rxrcb, limit;
6833         struct tg3_napi *tnapi = &tp->napi[0];
6834
6835         /* Disable all transmit rings but the first. */
6836         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6837                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
6838         else
6839                 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
6840
6841         for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
6842              txrcb < limit; txrcb += TG3_BDINFO_SIZE)
6843                 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
6844                               BDINFO_FLAGS_DISABLED);
6845
6846
6847         /* Disable all receive return rings but the first. */
6848         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6849                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
6850         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6851                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
6852         else
6853                 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
6854
6855         for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
6856              rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
6857                 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
6858                               BDINFO_FLAGS_DISABLED);
6859
6860         /* Disable interrupts */
6861         tw32_mailbox_f(tp->napi[0].int_mbox, 1);
6862
6863         /* Zero mailbox registers. */
6864         tp->napi[0].tx_prod = 0;
6865         tp->napi[0].tx_cons = 0;
6866         tw32_mailbox(tp->napi[0].prodmbox, 0);
6867         tw32_rx_mbox(tp->napi[0].consmbox, 0);
6868
6869         /* Make sure the NIC-based send BD rings are disabled. */
6870         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6871                 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
6872                 for (i = 0; i < 16; i++)
6873                         tw32_tx_mbox(mbox + i * 8, 0);
6874         }
6875
6876         txrcb = NIC_SRAM_SEND_RCB;
6877         rxrcb = NIC_SRAM_RCV_RET_RCB;
6878
6879         /* Clear status block in ram. */
6880         memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6881
6882         /* Set status block DMA address */
6883         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6884              ((u64) tnapi->status_mapping >> 32));
6885         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6886              ((u64) tnapi->status_mapping & 0xffffffff));
6887
6888         tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
6889                        (TG3_TX_RING_SIZE <<
6890                         BDINFO_FLAGS_MAXLEN_SHIFT),
6891                        NIC_SRAM_TX_BUFFER_DESC);
6892
6893         tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
6894                        (TG3_RX_RCB_RING_SIZE(tp) <<
6895                         BDINFO_FLAGS_MAXLEN_SHIFT), 0);
6896 }
6897
6898 /* tp->lock is held. */
6899 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6900 {
6901         u32 val, rdmac_mode;
6902         int i, err, limit;
6903         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
6904
6905         tg3_disable_ints(tp);
6906
6907         tg3_stop_fw(tp);
6908
6909         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6910
6911         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6912                 tg3_abort_hw(tp, 1);
6913         }
6914
6915         if (reset_phy &&
6916             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
6917                 tg3_phy_reset(tp);
6918
6919         err = tg3_chip_reset(tp);
6920         if (err)
6921                 return err;
6922
6923         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6924
6925         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
6926                 val = tr32(TG3_CPMU_CTRL);
6927                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6928                 tw32(TG3_CPMU_CTRL, val);
6929
6930                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
6931                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
6932                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
6933                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
6934
6935                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
6936                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
6937                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
6938                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
6939
6940                 val = tr32(TG3_CPMU_HST_ACC);
6941                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
6942                 val |= CPMU_HST_ACC_MACCLK_6_25;
6943                 tw32(TG3_CPMU_HST_ACC, val);
6944         }
6945
6946         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6947                 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
6948                 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
6949                        PCIE_PWR_MGMT_L1_THRESH_4MS;
6950                 tw32(PCIE_PWR_MGMT_THRESH, val);
6951
6952                 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
6953                 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
6954
6955                 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
6956         }
6957
6958         if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
6959                 val = tr32(TG3_PCIE_LNKCTL);
6960                 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG)
6961                         val |= TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
6962                 else
6963                         val &= ~TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
6964                 tw32(TG3_PCIE_LNKCTL, val);
6965         }
6966
6967         /* This works around an issue with Athlon chipsets on
6968          * B3 tigon3 silicon.  This bit has no effect on any
6969          * other revision.  But do not set this on PCI Express
6970          * chips and don't even touch the clocks if the CPMU is present.
6971          */
6972         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6973                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6974                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6975                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6976         }
6977
6978         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6979             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6980                 val = tr32(TG3PCI_PCISTATE);
6981                 val |= PCISTATE_RETRY_SAME_DMA;
6982                 tw32(TG3PCI_PCISTATE, val);
6983         }
6984
6985         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6986                 /* Allow reads and writes to the
6987                  * APE register and memory space.
6988                  */
6989                 val = tr32(TG3PCI_PCISTATE);
6990                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6991                        PCISTATE_ALLOW_APE_SHMEM_WR;
6992                 tw32(TG3PCI_PCISTATE, val);
6993         }
6994
6995         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6996                 /* Enable some hw fixes.  */
6997                 val = tr32(TG3PCI_MSI_DATA);
6998                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6999                 tw32(TG3PCI_MSI_DATA, val);
7000         }
7001
7002         /* Descriptor ring init may make accesses to the
7003          * NIC SRAM area to setup the TX descriptors, so we
7004          * can only do this after the hardware has been
7005          * successfully reset.
7006          */
7007         err = tg3_init_rings(tp);
7008         if (err)
7009                 return err;
7010
7011         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7012             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7013                 /* This value is determined during the probe time DMA
7014                  * engine test, tg3_test_dma.
7015                  */
7016                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7017         }
7018
7019         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7020                           GRC_MODE_4X_NIC_SEND_RINGS |
7021                           GRC_MODE_NO_TX_PHDR_CSUM |
7022                           GRC_MODE_NO_RX_PHDR_CSUM);
7023         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7024
7025         /* Pseudo-header checksum is done by hardware logic and not
7026          * the offload processers, so make the chip do the pseudo-
7027          * header checksums on receive.  For transmit it is more
7028          * convenient to do the pseudo-header checksum in software
7029          * as Linux does that on transmit for us in all cases.
7030          */
7031         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7032
7033         tw32(GRC_MODE,
7034              tp->grc_mode |
7035              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7036
7037         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
7038         val = tr32(GRC_MISC_CFG);
7039         val &= ~0xff;
7040         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7041         tw32(GRC_MISC_CFG, val);
7042
7043         /* Initialize MBUF/DESC pool. */
7044         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7045                 /* Do nothing.  */
7046         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7047                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7048                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7049                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7050                 else
7051                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7052                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7053                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7054         }
7055         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7056                 int fw_len;
7057
7058                 fw_len = tp->fw_len;
7059                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7060                 tw32(BUFMGR_MB_POOL_ADDR,
7061                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7062                 tw32(BUFMGR_MB_POOL_SIZE,
7063                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7064         }
7065
7066         if (tp->dev->mtu <= ETH_DATA_LEN) {
7067                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7068                      tp->bufmgr_config.mbuf_read_dma_low_water);
7069                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7070                      tp->bufmgr_config.mbuf_mac_rx_low_water);
7071                 tw32(BUFMGR_MB_HIGH_WATER,
7072                      tp->bufmgr_config.mbuf_high_water);
7073         } else {
7074                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7075                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7076                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7077                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7078                 tw32(BUFMGR_MB_HIGH_WATER,
7079                      tp->bufmgr_config.mbuf_high_water_jumbo);
7080         }
7081         tw32(BUFMGR_DMA_LOW_WATER,
7082              tp->bufmgr_config.dma_low_water);
7083         tw32(BUFMGR_DMA_HIGH_WATER,
7084              tp->bufmgr_config.dma_high_water);
7085
7086         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7087         for (i = 0; i < 2000; i++) {
7088                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7089                         break;
7090                 udelay(10);
7091         }
7092         if (i >= 2000) {
7093                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7094                        tp->dev->name);
7095                 return -ENODEV;
7096         }
7097
7098         /* Setup replenish threshold. */
7099         val = tp->rx_pending / 8;
7100         if (val == 0)
7101                 val = 1;
7102         else if (val > tp->rx_std_max_post)
7103                 val = tp->rx_std_max_post;
7104         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7105                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7106                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7107
7108                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7109                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7110         }
7111
7112         tw32(RCVBDI_STD_THRESH, val);
7113
7114         /* Initialize TG3_BDINFO's at:
7115          *  RCVDBDI_STD_BD:     standard eth size rx ring
7116          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
7117          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
7118          *
7119          * like so:
7120          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
7121          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
7122          *                              ring attribute flags
7123          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
7124          *
7125          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7126          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7127          *
7128          * The size of each ring is fixed in the firmware, but the location is
7129          * configurable.
7130          */
7131         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7132              ((u64) tpr->rx_std_mapping >> 32));
7133         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7134              ((u64) tpr->rx_std_mapping & 0xffffffff));
7135         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7136              NIC_SRAM_RX_BUFFER_DESC);
7137
7138         /* Disable the mini ring */
7139         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7140                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7141                      BDINFO_FLAGS_DISABLED);
7142
7143         /* Program the jumbo buffer descriptor ring control
7144          * blocks on those devices that have them.
7145          */
7146         if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7147             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7148                 /* Setup replenish threshold. */
7149                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7150
7151                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7152                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7153                              ((u64) tpr->rx_jmb_mapping >> 32));
7154                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7155                              ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7156                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7157                              (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7158                              BDINFO_FLAGS_USE_EXT_RECV);
7159                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7160                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7161                 } else {
7162                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7163                              BDINFO_FLAGS_DISABLED);
7164                 }
7165
7166                 val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7167         } else
7168                 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7169
7170         tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7171
7172         tpr->rx_std_ptr = tp->rx_pending;
7173         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
7174                      tpr->rx_std_ptr);
7175
7176         tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7177                           tp->rx_jumbo_pending : 0;
7178         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
7179                      tpr->rx_jmb_ptr);
7180
7181         tg3_rings_reset(tp);
7182
7183         /* Initialize MAC address and backoff seed. */
7184         __tg3_set_mac_addr(tp, 0);
7185
7186         /* MTU + ethernet header + FCS + optional VLAN tag */
7187         tw32(MAC_RX_MTU_SIZE,
7188              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7189
7190         /* The slot time is changed by tg3_setup_phy if we
7191          * run at gigabit with half duplex.
7192          */
7193         tw32(MAC_TX_LENGTHS,
7194              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7195              (6 << TX_LENGTHS_IPG_SHIFT) |
7196              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7197
7198         /* Receive rules. */
7199         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7200         tw32(RCVLPC_CONFIG, 0x0181);
7201
7202         /* Calculate RDMAC_MODE setting early, we need it to determine
7203          * the RCVLPC_STATE_ENABLE mask.
7204          */
7205         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7206                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7207                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7208                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7209                       RDMAC_MODE_LNGREAD_ENAB);
7210
7211         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7212             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7213             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7214                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7215                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7216                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7217
7218         /* If statement applies to 5705 and 5750 PCI devices only */
7219         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7220              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7221             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7222                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7223                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7224                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7225                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7226                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7227                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7228                 }
7229         }
7230
7231         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7232                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7233
7234         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7235                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7236
7237         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7238             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7239                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7240
7241         /* Receive/send statistics. */
7242         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7243                 val = tr32(RCVLPC_STATS_ENABLE);
7244                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7245                 tw32(RCVLPC_STATS_ENABLE, val);
7246         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7247                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7248                 val = tr32(RCVLPC_STATS_ENABLE);
7249                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7250                 tw32(RCVLPC_STATS_ENABLE, val);
7251         } else {
7252                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7253         }
7254         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7255         tw32(SNDDATAI_STATSENAB, 0xffffff);
7256         tw32(SNDDATAI_STATSCTRL,
7257              (SNDDATAI_SCTRL_ENABLE |
7258               SNDDATAI_SCTRL_FASTUPD));
7259
7260         /* Setup host coalescing engine. */
7261         tw32(HOSTCC_MODE, 0);
7262         for (i = 0; i < 2000; i++) {
7263                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7264                         break;
7265                 udelay(10);
7266         }
7267
7268         __tg3_set_coalesce(tp, &tp->coal);
7269
7270         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7271                 /* Status/statistics block address.  See tg3_timer,
7272                  * the tg3_periodic_fetch_stats call there, and
7273                  * tg3_get_stats to see how this works for 5705/5750 chips.
7274                  */
7275                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7276                      ((u64) tp->stats_mapping >> 32));
7277                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7278                      ((u64) tp->stats_mapping & 0xffffffff));
7279                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7280
7281                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7282
7283                 /* Clear statistics and status block memory areas */
7284                 for (i = NIC_SRAM_STATS_BLK;
7285                      i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7286                      i += sizeof(u32)) {
7287                         tg3_write_mem(tp, i, 0);
7288                         udelay(40);
7289                 }
7290         }
7291
7292         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7293
7294         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7295         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7296         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7297                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7298
7299         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7300                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7301                 /* reset to prevent losing 1st rx packet intermittently */
7302                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7303                 udelay(10);
7304         }
7305
7306         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7307                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7308         else
7309                 tp->mac_mode = 0;
7310         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7311                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7312         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7313             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7314             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7315                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
7316         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7317         udelay(40);
7318
7319         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
7320          * If TG3_FLG2_IS_NIC is zero, we should read the
7321          * register to preserve the GPIO settings for LOMs. The GPIOs,
7322          * whether used as inputs or outputs, are set by boot code after
7323          * reset.
7324          */
7325         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
7326                 u32 gpio_mask;
7327
7328                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7329                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7330                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
7331
7332                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7333                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7334                                      GRC_LCLCTRL_GPIO_OUTPUT3;
7335
7336                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7337                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7338
7339                 tp->grc_local_ctrl &= ~gpio_mask;
7340                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7341
7342                 /* GPIO1 must be driven high for eeprom write protect */
7343                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7344                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7345                                                GRC_LCLCTRL_GPIO_OUTPUT1);
7346         }
7347         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7348         udelay(100);
7349
7350         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7351                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7352                 udelay(40);
7353         }
7354
7355         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7356                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7357                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7358                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7359                WDMAC_MODE_LNGREAD_ENAB);
7360
7361         /* If statement applies to 5705 and 5750 PCI devices only */
7362         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7363              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7364             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7365                 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
7366                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7367                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7368                         /* nothing */
7369                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7370                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7371                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7372                         val |= WDMAC_MODE_RX_ACCEL;
7373                 }
7374         }
7375
7376         /* Enable host coalescing bug fix */
7377         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7378                 val |= WDMAC_MODE_STATUS_TAG_FIX;
7379
7380         tw32_f(WDMAC_MODE, val);
7381         udelay(40);
7382
7383         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7384                 u16 pcix_cmd;
7385
7386                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7387                                      &pcix_cmd);
7388                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
7389                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7390                         pcix_cmd |= PCI_X_CMD_READ_2K;
7391                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
7392                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7393                         pcix_cmd |= PCI_X_CMD_READ_2K;
7394                 }
7395                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7396                                       pcix_cmd);
7397         }
7398
7399         tw32_f(RDMAC_MODE, rdmac_mode);
7400         udelay(40);
7401
7402         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7403         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7404                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
7405
7406         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7407                 tw32(SNDDATAC_MODE,
7408                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7409         else
7410                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7411
7412         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7413         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7414         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7415         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
7416         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7417                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
7418         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
7419         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7420
7421         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7422                 err = tg3_load_5701_a0_firmware_fix(tp);
7423                 if (err)
7424                         return err;
7425         }
7426
7427         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7428                 err = tg3_load_tso_firmware(tp);
7429                 if (err)
7430                         return err;
7431         }
7432
7433         tp->tx_mode = TX_MODE_ENABLE;
7434         tw32_f(MAC_TX_MODE, tp->tx_mode);
7435         udelay(100);
7436
7437         tp->rx_mode = RX_MODE_ENABLE;
7438         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7439                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7440
7441         tw32_f(MAC_RX_MODE, tp->rx_mode);
7442         udelay(10);
7443
7444         tw32(MAC_LED_CTRL, tp->led_ctrl);
7445
7446         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
7447         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7448                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7449                 udelay(10);
7450         }
7451         tw32_f(MAC_RX_MODE, tp->rx_mode);
7452         udelay(10);
7453
7454         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7455                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7456                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7457                         /* Set drive transmission level to 1.2V  */
7458                         /* only if the signal pre-emphasis bit is not set  */
7459                         val = tr32(MAC_SERDES_CFG);
7460                         val &= 0xfffff000;
7461                         val |= 0x880;
7462                         tw32(MAC_SERDES_CFG, val);
7463                 }
7464                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7465                         tw32(MAC_SERDES_CFG, 0x616000);
7466         }
7467
7468         /* Prevent chip from dropping frames when flow control
7469          * is enabled.
7470          */
7471         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7472
7473         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7474             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7475                 /* Use hardware link auto-negotiation */
7476                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7477         }
7478
7479         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7480             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7481                 u32 tmp;
7482
7483                 tmp = tr32(SERDES_RX_CTRL);
7484                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7485                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7486                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7487                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7488         }
7489
7490         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7491                 if (tp->link_config.phy_is_low_power) {
7492                         tp->link_config.phy_is_low_power = 0;
7493                         tp->link_config.speed = tp->link_config.orig_speed;
7494                         tp->link_config.duplex = tp->link_config.orig_duplex;
7495                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
7496                 }
7497
7498                 err = tg3_setup_phy(tp, 0);
7499                 if (err)
7500                         return err;
7501
7502                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7503                     !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
7504                         u32 tmp;
7505
7506                         /* Clear CRC stats. */
7507                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7508                                 tg3_writephy(tp, MII_TG3_TEST1,
7509                                              tmp | MII_TG3_TEST1_CRC_EN);
7510                                 tg3_readphy(tp, 0x14, &tmp);
7511                         }
7512                 }
7513         }
7514
7515         __tg3_set_rx_mode(tp->dev);
7516
7517         /* Initialize receive rules. */
7518         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
7519         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7520         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
7521         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7522
7523         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7524             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
7525                 limit = 8;
7526         else
7527                 limit = 16;
7528         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7529                 limit -= 4;
7530         switch (limit) {
7531         case 16:
7532                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
7533         case 15:
7534                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
7535         case 14:
7536                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
7537         case 13:
7538                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
7539         case 12:
7540                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
7541         case 11:
7542                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
7543         case 10:
7544                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
7545         case 9:
7546                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
7547         case 8:
7548                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
7549         case 7:
7550                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
7551         case 6:
7552                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
7553         case 5:
7554                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
7555         case 4:
7556                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
7557         case 3:
7558                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
7559         case 2:
7560         case 1:
7561
7562         default:
7563                 break;
7564         }
7565
7566         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7567                 /* Write our heartbeat update interval to APE. */
7568                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7569                                 APE_HOST_HEARTBEAT_INT_DISABLE);
7570
7571         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7572
7573         return 0;
7574 }
7575
7576 /* Called at device open time to get the chip ready for
7577  * packet processing.  Invoked with tp->lock held.
7578  */
7579 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7580 {
7581         tg3_switch_clocks(tp);
7582
7583         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7584
7585         return tg3_reset_hw(tp, reset_phy);
7586 }
7587
7588 #define TG3_STAT_ADD32(PSTAT, REG) \
7589 do {    u32 __val = tr32(REG); \
7590         (PSTAT)->low += __val; \
7591         if ((PSTAT)->low < __val) \
7592                 (PSTAT)->high += 1; \
7593 } while (0)
7594
7595 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7596 {
7597         struct tg3_hw_stats *sp = tp->hw_stats;
7598
7599         if (!netif_carrier_ok(tp->dev))
7600                 return;
7601
7602         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7603         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7604         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7605         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7606         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7607         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7608         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7609         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7610         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7611         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7612         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7613         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7614         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7615
7616         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7617         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7618         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7619         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7620         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7621         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7622         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7623         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7624         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7625         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7626         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7627         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7628         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7629         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
7630
7631         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7632         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7633         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
7634 }
7635
7636 static void tg3_timer(unsigned long __opaque)
7637 {
7638         struct tg3 *tp = (struct tg3 *) __opaque;
7639
7640         if (tp->irq_sync)
7641                 goto restart_timer;
7642
7643         spin_lock(&tp->lock);
7644
7645         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7646                 /* All of this garbage is because when using non-tagged
7647                  * IRQ status the mailbox/status_block protocol the chip
7648                  * uses with the cpu is race prone.
7649                  */
7650                 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
7651                         tw32(GRC_LOCAL_CTRL,
7652                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7653                 } else {
7654                         tw32(HOSTCC_MODE, tp->coalesce_mode |
7655                              HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
7656                 }
7657
7658                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7659                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
7660                         spin_unlock(&tp->lock);
7661                         schedule_work(&tp->reset_task);
7662                         return;
7663                 }
7664         }
7665
7666         /* This part only runs once per second. */
7667         if (!--tp->timer_counter) {
7668                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7669                         tg3_periodic_fetch_stats(tp);
7670
7671                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7672                         u32 mac_stat;
7673                         int phy_event;
7674
7675                         mac_stat = tr32(MAC_STATUS);
7676
7677                         phy_event = 0;
7678                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7679                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7680                                         phy_event = 1;
7681                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7682                                 phy_event = 1;
7683
7684                         if (phy_event)
7685                                 tg3_setup_phy(tp, 0);
7686                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7687                         u32 mac_stat = tr32(MAC_STATUS);
7688                         int need_setup = 0;
7689
7690                         if (netif_carrier_ok(tp->dev) &&
7691                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7692                                 need_setup = 1;
7693                         }
7694                         if (! netif_carrier_ok(tp->dev) &&
7695                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
7696                                          MAC_STATUS_SIGNAL_DET))) {
7697                                 need_setup = 1;
7698                         }
7699                         if (need_setup) {
7700                                 if (!tp->serdes_counter) {
7701                                         tw32_f(MAC_MODE,
7702                                              (tp->mac_mode &
7703                                               ~MAC_MODE_PORT_MODE_MASK));
7704                                         udelay(40);
7705                                         tw32_f(MAC_MODE, tp->mac_mode);
7706                                         udelay(40);
7707                                 }
7708                                 tg3_setup_phy(tp, 0);
7709                         }
7710                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7711                         tg3_serdes_parallel_detect(tp);
7712
7713                 tp->timer_counter = tp->timer_multiplier;
7714         }
7715
7716         /* Heartbeat is only sent once every 2 seconds.
7717          *
7718          * The heartbeat is to tell the ASF firmware that the host
7719          * driver is still alive.  In the event that the OS crashes,
7720          * ASF needs to reset the hardware to free up the FIFO space
7721          * that may be filled with rx packets destined for the host.
7722          * If the FIFO is full, ASF will no longer function properly.
7723          *
7724          * Unintended resets have been reported on real time kernels
7725          * where the timer doesn't run on time.  Netpoll will also have
7726          * same problem.
7727          *
7728          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7729          * to check the ring condition when the heartbeat is expiring
7730          * before doing the reset.  This will prevent most unintended
7731          * resets.
7732          */
7733         if (!--tp->asf_counter) {
7734                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7735                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7736                         tg3_wait_for_event_ack(tp);
7737
7738                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
7739                                       FWCMD_NICDRV_ALIVE3);
7740                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
7741                         /* 5 seconds timeout */
7742                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
7743
7744                         tg3_generate_fw_event(tp);
7745                 }
7746                 tp->asf_counter = tp->asf_multiplier;
7747         }
7748
7749         spin_unlock(&tp->lock);
7750
7751 restart_timer:
7752         tp->timer.expires = jiffies + tp->timer_offset;
7753         add_timer(&tp->timer);
7754 }
7755
7756 static int tg3_request_irq(struct tg3 *tp, int irq_num)
7757 {
7758         irq_handler_t fn;
7759         unsigned long flags;
7760         char *name;
7761         struct tg3_napi *tnapi = &tp->napi[irq_num];
7762
7763         if (tp->irq_cnt == 1)
7764                 name = tp->dev->name;
7765         else {
7766                 name = &tnapi->irq_lbl[0];
7767                 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
7768                 name[IFNAMSIZ-1] = 0;
7769         }
7770
7771         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
7772                 fn = tg3_msi;
7773                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7774                         fn = tg3_msi_1shot;
7775                 flags = IRQF_SAMPLE_RANDOM;
7776         } else {
7777                 fn = tg3_interrupt;
7778                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7779                         fn = tg3_interrupt_tagged;
7780                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
7781         }
7782
7783         return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
7784 }
7785
7786 static int tg3_test_interrupt(struct tg3 *tp)
7787 {
7788         struct tg3_napi *tnapi = &tp->napi[0];
7789         struct net_device *dev = tp->dev;
7790         int err, i, intr_ok = 0;
7791
7792         if (!netif_running(dev))
7793                 return -ENODEV;
7794
7795         tg3_disable_ints(tp);
7796
7797         free_irq(tnapi->irq_vec, tnapi);
7798
7799         err = request_irq(tnapi->irq_vec, tg3_test_isr,
7800                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
7801         if (err)
7802                 return err;
7803
7804         tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
7805         tg3_enable_ints(tp);
7806
7807         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7808                tnapi->coal_now);
7809
7810         for (i = 0; i < 5; i++) {
7811                 u32 int_mbox, misc_host_ctrl;
7812
7813                 int_mbox = tr32_mailbox(tnapi->int_mbox);
7814                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7815
7816                 if ((int_mbox != 0) ||
7817                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7818                         intr_ok = 1;
7819                         break;
7820                 }
7821
7822                 msleep(10);
7823         }
7824
7825         tg3_disable_ints(tp);
7826
7827         free_irq(tnapi->irq_vec, tnapi);
7828
7829         err = tg3_request_irq(tp, 0);
7830
7831         if (err)
7832                 return err;
7833
7834         if (intr_ok)
7835                 return 0;
7836
7837         return -EIO;
7838 }
7839
7840 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7841  * successfully restored
7842  */
7843 static int tg3_test_msi(struct tg3 *tp)
7844 {
7845         int err;
7846         u16 pci_cmd;
7847
7848         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7849                 return 0;
7850
7851         /* Turn off SERR reporting in case MSI terminates with Master
7852          * Abort.
7853          */
7854         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7855         pci_write_config_word(tp->pdev, PCI_COMMAND,
7856                               pci_cmd & ~PCI_COMMAND_SERR);
7857
7858         err = tg3_test_interrupt(tp);
7859
7860         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7861
7862         if (!err)
7863                 return 0;
7864
7865         /* other failures */
7866         if (err != -EIO)
7867                 return err;
7868
7869         /* MSI test failed, go back to INTx mode */
7870         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7871                "switching to INTx mode. Please report this failure to "
7872                "the PCI maintainer and include system chipset information.\n",
7873                        tp->dev->name);
7874
7875         free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
7876
7877         pci_disable_msi(tp->pdev);
7878
7879         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7880
7881         err = tg3_request_irq(tp, 0);
7882         if (err)
7883                 return err;
7884
7885         /* Need to reset the chip because the MSI cycle may have terminated
7886          * with Master Abort.
7887          */
7888         tg3_full_lock(tp, 1);
7889
7890         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7891         err = tg3_init_hw(tp, 1);
7892
7893         tg3_full_unlock(tp);
7894
7895         if (err)
7896                 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
7897
7898         return err;
7899 }
7900
7901 static int tg3_request_firmware(struct tg3 *tp)
7902 {
7903         const __be32 *fw_data;
7904
7905         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
7906                 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
7907                        tp->dev->name, tp->fw_needed);
7908                 return -ENOENT;
7909         }
7910
7911         fw_data = (void *)tp->fw->data;
7912
7913         /* Firmware blob starts with version numbers, followed by
7914          * start address and _full_ length including BSS sections
7915          * (which must be longer than the actual data, of course
7916          */
7917
7918         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
7919         if (tp->fw_len < (tp->fw->size - 12)) {
7920                 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
7921                        tp->dev->name, tp->fw_len, tp->fw_needed);
7922                 release_firmware(tp->fw);
7923                 tp->fw = NULL;
7924                 return -EINVAL;
7925         }
7926
7927         /* We no longer need firmware; we have it. */
7928         tp->fw_needed = NULL;
7929         return 0;
7930 }
7931
7932 static bool tg3_enable_msix(struct tg3 *tp)
7933 {
7934         int i, rc, cpus = num_online_cpus();
7935         struct msix_entry msix_ent[tp->irq_max];
7936
7937         if (cpus == 1)
7938                 /* Just fallback to the simpler MSI mode. */
7939                 return false;
7940
7941         /*
7942          * We want as many rx rings enabled as there are cpus.
7943          * The first MSIX vector only deals with link interrupts, etc,
7944          * so we add one to the number of vectors we are requesting.
7945          */
7946         tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
7947
7948         for (i = 0; i < tp->irq_max; i++) {
7949                 msix_ent[i].entry  = i;
7950                 msix_ent[i].vector = 0;
7951         }
7952
7953         rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
7954         if (rc != 0) {
7955                 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
7956                         return false;
7957                 if (pci_enable_msix(tp->pdev, msix_ent, rc))
7958                         return false;
7959                 printk(KERN_NOTICE
7960                        "%s: Requested %d MSI-X vectors, received %d\n",
7961                        tp->dev->name, tp->irq_cnt, rc);
7962                 tp->irq_cnt = rc;
7963         }
7964
7965         for (i = 0; i < tp->irq_max; i++)
7966                 tp->napi[i].irq_vec = msix_ent[i].vector;
7967
7968         return true;
7969 }
7970
7971 static void tg3_ints_init(struct tg3 *tp)
7972 {
7973         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
7974             !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7975                 /* All MSI supporting chips should support tagged
7976                  * status.  Assert that this is the case.
7977                  */
7978                 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7979                        "Not using MSI.\n", tp->dev->name);
7980                 goto defcfg;
7981         }
7982
7983         if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
7984                 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
7985         else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
7986                  pci_enable_msi(tp->pdev) == 0)
7987                 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7988
7989         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
7990                 u32 msi_mode = tr32(MSGINT_MODE);
7991                 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7992         }
7993 defcfg:
7994         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7995                 tp->irq_cnt = 1;
7996                 tp->napi[0].irq_vec = tp->pdev->irq;
7997         }
7998 }
7999
8000 static void tg3_ints_fini(struct tg3 *tp)
8001 {
8002         if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8003                 pci_disable_msix(tp->pdev);
8004         else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8005                 pci_disable_msi(tp->pdev);
8006         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8007 }
8008
8009 static int tg3_open(struct net_device *dev)
8010 {
8011         struct tg3 *tp = netdev_priv(dev);
8012         int i, err;
8013
8014         if (tp->fw_needed) {
8015                 err = tg3_request_firmware(tp);
8016                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8017                         if (err)
8018                                 return err;
8019                 } else if (err) {
8020                         printk(KERN_WARNING "%s: TSO capability disabled.\n",
8021                                tp->dev->name);
8022                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8023                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8024                         printk(KERN_NOTICE "%s: TSO capability restored.\n",
8025                                tp->dev->name);
8026                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8027                 }
8028         }
8029
8030         netif_carrier_off(tp->dev);
8031
8032         err = tg3_set_power_state(tp, PCI_D0);
8033         if (err)
8034                 return err;
8035
8036         tg3_full_lock(tp, 0);
8037
8038         tg3_disable_ints(tp);
8039         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8040
8041         tg3_full_unlock(tp);
8042
8043         /*
8044          * Setup interrupts first so we know how
8045          * many NAPI resources to allocate
8046          */
8047         tg3_ints_init(tp);
8048
8049         /* The placement of this call is tied
8050          * to the setup and use of Host TX descriptors.
8051          */
8052         err = tg3_alloc_consistent(tp);
8053         if (err)
8054                 goto err_out1;
8055
8056         napi_enable(&tp->napi[0].napi);
8057
8058         for (i = 0; i < tp->irq_cnt; i++) {
8059                 struct tg3_napi *tnapi = &tp->napi[i];
8060                 err = tg3_request_irq(tp, i);
8061                 if (err) {
8062                         for (i--; i >= 0; i--)
8063                                 free_irq(tnapi->irq_vec, tnapi);
8064                         break;
8065                 }
8066         }
8067
8068         if (err)
8069                 goto err_out2;
8070
8071         tg3_full_lock(tp, 0);
8072
8073         err = tg3_init_hw(tp, 1);
8074         if (err) {
8075                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8076                 tg3_free_rings(tp);
8077         } else {
8078                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8079                         tp->timer_offset = HZ;
8080                 else
8081                         tp->timer_offset = HZ / 10;
8082
8083                 BUG_ON(tp->timer_offset > HZ);
8084                 tp->timer_counter = tp->timer_multiplier =
8085                         (HZ / tp->timer_offset);
8086                 tp->asf_counter = tp->asf_multiplier =
8087                         ((HZ / tp->timer_offset) * 2);
8088
8089                 init_timer(&tp->timer);
8090                 tp->timer.expires = jiffies + tp->timer_offset;
8091                 tp->timer.data = (unsigned long) tp;
8092                 tp->timer.function = tg3_timer;
8093         }
8094
8095         tg3_full_unlock(tp);
8096
8097         if (err)
8098                 goto err_out3;
8099
8100         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8101                 err = tg3_test_msi(tp);
8102
8103                 if (err) {
8104                         tg3_full_lock(tp, 0);
8105                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8106                         tg3_free_rings(tp);
8107                         tg3_full_unlock(tp);
8108
8109                         goto err_out2;
8110                 }
8111
8112                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8113                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
8114                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
8115
8116                                 tw32(PCIE_TRANSACTION_CFG,
8117                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
8118                         }
8119                 }
8120         }
8121
8122         tg3_phy_start(tp);
8123
8124         tg3_full_lock(tp, 0);
8125
8126         add_timer(&tp->timer);
8127         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8128         tg3_enable_ints(tp);
8129
8130         tg3_full_unlock(tp);
8131
8132         netif_start_queue(dev);
8133
8134         return 0;
8135
8136 err_out3:
8137         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8138                 struct tg3_napi *tnapi = &tp->napi[i];
8139                 free_irq(tnapi->irq_vec, tnapi);
8140         }
8141
8142 err_out2:
8143         napi_disable(&tp->napi[0].napi);
8144         tg3_free_consistent(tp);
8145
8146 err_out1:
8147         tg3_ints_fini(tp);
8148         return err;
8149 }
8150
8151 #if 0
8152 /*static*/ void tg3_dump_state(struct tg3 *tp)
8153 {
8154         u32 val32, val32_2, val32_3, val32_4, val32_5;
8155         u16 val16;
8156         int i;
8157         struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
8158
8159         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8160         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8161         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8162                val16, val32);
8163
8164         /* MAC block */
8165         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8166                tr32(MAC_MODE), tr32(MAC_STATUS));
8167         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8168                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8169         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8170                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8171         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8172                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8173
8174         /* Send data initiator control block */
8175         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8176                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8177         printk("       SNDDATAI_STATSCTRL[%08x]\n",
8178                tr32(SNDDATAI_STATSCTRL));
8179
8180         /* Send data completion control block */
8181         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8182
8183         /* Send BD ring selector block */
8184         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8185                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8186
8187         /* Send BD initiator control block */
8188         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8189                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8190
8191         /* Send BD completion control block */
8192         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8193
8194         /* Receive list placement control block */
8195         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8196                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8197         printk("       RCVLPC_STATSCTRL[%08x]\n",
8198                tr32(RCVLPC_STATSCTRL));
8199
8200         /* Receive data and receive BD initiator control block */
8201         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8202                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8203
8204         /* Receive data completion control block */
8205         printk("DEBUG: RCVDCC_MODE[%08x]\n",
8206                tr32(RCVDCC_MODE));
8207
8208         /* Receive BD initiator control block */
8209         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
8210                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
8211
8212         /* Receive BD completion control block */
8213         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
8214                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
8215
8216         /* Receive list selector control block */
8217         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
8218                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
8219
8220         /* Mbuf cluster free block */
8221         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
8222                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
8223
8224         /* Host coalescing control block */
8225         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
8226                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
8227         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
8228                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8229                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8230         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
8231                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8232                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8233         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
8234                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
8235         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
8236                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
8237
8238         /* Memory arbiter control block */
8239         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
8240                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
8241
8242         /* Buffer manager control block */
8243         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
8244                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
8245         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
8246                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
8247         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
8248                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
8249                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
8250                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
8251
8252         /* Read DMA control block */
8253         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
8254                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
8255
8256         /* Write DMA control block */
8257         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
8258                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
8259
8260         /* DMA completion block */
8261         printk("DEBUG: DMAC_MODE[%08x]\n",
8262                tr32(DMAC_MODE));
8263
8264         /* GRC block */
8265         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
8266                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
8267         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
8268                tr32(GRC_LOCAL_CTRL));
8269
8270         /* TG3_BDINFOs */
8271         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
8272                tr32(RCVDBDI_JUMBO_BD + 0x0),
8273                tr32(RCVDBDI_JUMBO_BD + 0x4),
8274                tr32(RCVDBDI_JUMBO_BD + 0x8),
8275                tr32(RCVDBDI_JUMBO_BD + 0xc));
8276         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
8277                tr32(RCVDBDI_STD_BD + 0x0),
8278                tr32(RCVDBDI_STD_BD + 0x4),
8279                tr32(RCVDBDI_STD_BD + 0x8),
8280                tr32(RCVDBDI_STD_BD + 0xc));
8281         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
8282                tr32(RCVDBDI_MINI_BD + 0x0),
8283                tr32(RCVDBDI_MINI_BD + 0x4),
8284                tr32(RCVDBDI_MINI_BD + 0x8),
8285                tr32(RCVDBDI_MINI_BD + 0xc));
8286
8287         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8288         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8289         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8290         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8291         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8292                val32, val32_2, val32_3, val32_4);
8293
8294         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8295         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8296         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8297         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8298         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8299                val32, val32_2, val32_3, val32_4);
8300
8301         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8302         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8303         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8304         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8305         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8306         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8307                val32, val32_2, val32_3, val32_4, val32_5);
8308
8309         /* SW status block */
8310         printk(KERN_DEBUG
8311          "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8312                sblk->status,
8313                sblk->status_tag,
8314                sblk->rx_jumbo_consumer,
8315                sblk->rx_consumer,
8316                sblk->rx_mini_consumer,
8317                sblk->idx[0].rx_producer,
8318                sblk->idx[0].tx_consumer);
8319
8320         /* SW statistics block */
8321         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8322                ((u32 *)tp->hw_stats)[0],
8323                ((u32 *)tp->hw_stats)[1],
8324                ((u32 *)tp->hw_stats)[2],
8325                ((u32 *)tp->hw_stats)[3]);
8326
8327         /* Mailboxes */
8328         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
8329                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8330                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8331                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8332                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
8333
8334         /* NIC side send descriptors. */
8335         for (i = 0; i < 6; i++) {
8336                 unsigned long txd;
8337
8338                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8339                         + (i * sizeof(struct tg3_tx_buffer_desc));
8340                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8341                        i,
8342                        readl(txd + 0x0), readl(txd + 0x4),
8343                        readl(txd + 0x8), readl(txd + 0xc));
8344         }
8345
8346         /* NIC side RX descriptors. */
8347         for (i = 0; i < 6; i++) {
8348                 unsigned long rxd;
8349
8350                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8351                         + (i * sizeof(struct tg3_rx_buffer_desc));
8352                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8353                        i,
8354                        readl(rxd + 0x0), readl(rxd + 0x4),
8355                        readl(rxd + 0x8), readl(rxd + 0xc));
8356                 rxd += (4 * sizeof(u32));
8357                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8358                        i,
8359                        readl(rxd + 0x0), readl(rxd + 0x4),
8360                        readl(rxd + 0x8), readl(rxd + 0xc));
8361         }
8362
8363         for (i = 0; i < 6; i++) {
8364                 unsigned long rxd;
8365
8366                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8367                         + (i * sizeof(struct tg3_rx_buffer_desc));
8368                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8369                        i,
8370                        readl(rxd + 0x0), readl(rxd + 0x4),
8371                        readl(rxd + 0x8), readl(rxd + 0xc));
8372                 rxd += (4 * sizeof(u32));
8373                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8374                        i,
8375                        readl(rxd + 0x0), readl(rxd + 0x4),
8376                        readl(rxd + 0x8), readl(rxd + 0xc));
8377         }
8378 }
8379 #endif
8380
8381 static struct net_device_stats *tg3_get_stats(struct net_device *);
8382 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8383
8384 static int tg3_close(struct net_device *dev)
8385 {
8386         int i;
8387         struct tg3 *tp = netdev_priv(dev);
8388
8389         napi_disable(&tp->napi[0].napi);
8390         cancel_work_sync(&tp->reset_task);
8391
8392         netif_stop_queue(dev);
8393
8394         del_timer_sync(&tp->timer);
8395
8396         tg3_full_lock(tp, 1);
8397 #if 0
8398         tg3_dump_state(tp);
8399 #endif
8400
8401         tg3_disable_ints(tp);
8402
8403         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8404         tg3_free_rings(tp);
8405         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8406
8407         tg3_full_unlock(tp);
8408
8409         for (i = tp->irq_cnt - 1; i >= 0; i--) {
8410                 struct tg3_napi *tnapi = &tp->napi[i];
8411                 free_irq(tnapi->irq_vec, tnapi);
8412         }
8413
8414         tg3_ints_fini(tp);
8415
8416         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8417                sizeof(tp->net_stats_prev));
8418         memcpy(&tp->estats_prev, tg3_get_estats(tp),
8419                sizeof(tp->estats_prev));
8420
8421         tg3_free_consistent(tp);
8422
8423         tg3_set_power_state(tp, PCI_D3hot);
8424
8425         netif_carrier_off(tp->dev);
8426
8427         return 0;
8428 }
8429
8430 static inline unsigned long get_stat64(tg3_stat64_t *val)
8431 {
8432         unsigned long ret;
8433
8434 #if (BITS_PER_LONG == 32)
8435         ret = val->low;
8436 #else
8437         ret = ((u64)val->high << 32) | ((u64)val->low);
8438 #endif
8439         return ret;
8440 }
8441
8442 static inline u64 get_estat64(tg3_stat64_t *val)
8443 {
8444        return ((u64)val->high << 32) | ((u64)val->low);
8445 }
8446
8447 static unsigned long calc_crc_errors(struct tg3 *tp)
8448 {
8449         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8450
8451         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8452             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8453              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
8454                 u32 val;
8455
8456                 spin_lock_bh(&tp->lock);
8457                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8458                         tg3_writephy(tp, MII_TG3_TEST1,
8459                                      val | MII_TG3_TEST1_CRC_EN);
8460                         tg3_readphy(tp, 0x14, &val);
8461                 } else
8462                         val = 0;
8463                 spin_unlock_bh(&tp->lock);
8464
8465                 tp->phy_crc_errors += val;
8466
8467                 return tp->phy_crc_errors;
8468         }
8469
8470         return get_stat64(&hw_stats->rx_fcs_errors);
8471 }
8472
8473 #define ESTAT_ADD(member) \
8474         estats->member =        old_estats->member + \
8475                                 get_estat64(&hw_stats->member)
8476
8477 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8478 {
8479         struct tg3_ethtool_stats *estats = &tp->estats;
8480         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8481         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8482
8483         if (!hw_stats)
8484                 return old_estats;
8485
8486         ESTAT_ADD(rx_octets);
8487         ESTAT_ADD(rx_fragments);
8488         ESTAT_ADD(rx_ucast_packets);
8489         ESTAT_ADD(rx_mcast_packets);
8490         ESTAT_ADD(rx_bcast_packets);
8491         ESTAT_ADD(rx_fcs_errors);
8492         ESTAT_ADD(rx_align_errors);
8493         ESTAT_ADD(rx_xon_pause_rcvd);
8494         ESTAT_ADD(rx_xoff_pause_rcvd);
8495         ESTAT_ADD(rx_mac_ctrl_rcvd);
8496         ESTAT_ADD(rx_xoff_entered);
8497         ESTAT_ADD(rx_frame_too_long_errors);
8498         ESTAT_ADD(rx_jabbers);
8499         ESTAT_ADD(rx_undersize_packets);
8500         ESTAT_ADD(rx_in_length_errors);
8501         ESTAT_ADD(rx_out_length_errors);
8502         ESTAT_ADD(rx_64_or_less_octet_packets);
8503         ESTAT_ADD(rx_65_to_127_octet_packets);
8504         ESTAT_ADD(rx_128_to_255_octet_packets);
8505         ESTAT_ADD(rx_256_to_511_octet_packets);
8506         ESTAT_ADD(rx_512_to_1023_octet_packets);
8507         ESTAT_ADD(rx_1024_to_1522_octet_packets);
8508         ESTAT_ADD(rx_1523_to_2047_octet_packets);
8509         ESTAT_ADD(rx_2048_to_4095_octet_packets);
8510         ESTAT_ADD(rx_4096_to_8191_octet_packets);
8511         ESTAT_ADD(rx_8192_to_9022_octet_packets);
8512
8513         ESTAT_ADD(tx_octets);
8514         ESTAT_ADD(tx_collisions);
8515         ESTAT_ADD(tx_xon_sent);
8516         ESTAT_ADD(tx_xoff_sent);
8517         ESTAT_ADD(tx_flow_control);
8518         ESTAT_ADD(tx_mac_errors);
8519         ESTAT_ADD(tx_single_collisions);
8520         ESTAT_ADD(tx_mult_collisions);
8521         ESTAT_ADD(tx_deferred);
8522         ESTAT_ADD(tx_excessive_collisions);
8523         ESTAT_ADD(tx_late_collisions);
8524         ESTAT_ADD(tx_collide_2times);
8525         ESTAT_ADD(tx_collide_3times);
8526         ESTAT_ADD(tx_collide_4times);
8527         ESTAT_ADD(tx_collide_5times);
8528         ESTAT_ADD(tx_collide_6times);
8529         ESTAT_ADD(tx_collide_7times);
8530         ESTAT_ADD(tx_collide_8times);
8531         ESTAT_ADD(tx_collide_9times);
8532         ESTAT_ADD(tx_collide_10times);
8533         ESTAT_ADD(tx_collide_11times);
8534         ESTAT_ADD(tx_collide_12times);
8535         ESTAT_ADD(tx_collide_13times);
8536         ESTAT_ADD(tx_collide_14times);
8537         ESTAT_ADD(tx_collide_15times);
8538         ESTAT_ADD(tx_ucast_packets);
8539         ESTAT_ADD(tx_mcast_packets);
8540         ESTAT_ADD(tx_bcast_packets);
8541         ESTAT_ADD(tx_carrier_sense_errors);
8542         ESTAT_ADD(tx_discards);
8543         ESTAT_ADD(tx_errors);
8544
8545         ESTAT_ADD(dma_writeq_full);
8546         ESTAT_ADD(dma_write_prioq_full);
8547         ESTAT_ADD(rxbds_empty);
8548         ESTAT_ADD(rx_discards);
8549         ESTAT_ADD(rx_errors);
8550         ESTAT_ADD(rx_threshold_hit);
8551
8552         ESTAT_ADD(dma_readq_full);
8553         ESTAT_ADD(dma_read_prioq_full);
8554         ESTAT_ADD(tx_comp_queue_full);
8555
8556         ESTAT_ADD(ring_set_send_prod_index);
8557         ESTAT_ADD(ring_status_update);
8558         ESTAT_ADD(nic_irqs);
8559         ESTAT_ADD(nic_avoided_irqs);
8560         ESTAT_ADD(nic_tx_threshold_hit);
8561
8562         return estats;
8563 }
8564
8565 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8566 {
8567         struct tg3 *tp = netdev_priv(dev);
8568         struct net_device_stats *stats = &tp->net_stats;
8569         struct net_device_stats *old_stats = &tp->net_stats_prev;
8570         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8571
8572         if (!hw_stats)
8573                 return old_stats;
8574
8575         stats->rx_packets = old_stats->rx_packets +
8576                 get_stat64(&hw_stats->rx_ucast_packets) +
8577                 get_stat64(&hw_stats->rx_mcast_packets) +
8578                 get_stat64(&hw_stats->rx_bcast_packets);
8579
8580         stats->tx_packets = old_stats->tx_packets +
8581                 get_stat64(&hw_stats->tx_ucast_packets) +
8582                 get_stat64(&hw_stats->tx_mcast_packets) +
8583                 get_stat64(&hw_stats->tx_bcast_packets);
8584
8585         stats->rx_bytes = old_stats->rx_bytes +
8586                 get_stat64(&hw_stats->rx_octets);
8587         stats->tx_bytes = old_stats->tx_bytes +
8588                 get_stat64(&hw_stats->tx_octets);
8589
8590         stats->rx_errors = old_stats->rx_errors +
8591                 get_stat64(&hw_stats->rx_errors);
8592         stats->tx_errors = old_stats->tx_errors +
8593                 get_stat64(&hw_stats->tx_errors) +
8594                 get_stat64(&hw_stats->tx_mac_errors) +
8595                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
8596                 get_stat64(&hw_stats->tx_discards);
8597
8598         stats->multicast = old_stats->multicast +
8599                 get_stat64(&hw_stats->rx_mcast_packets);
8600         stats->collisions = old_stats->collisions +
8601                 get_stat64(&hw_stats->tx_collisions);
8602
8603         stats->rx_length_errors = old_stats->rx_length_errors +
8604                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
8605                 get_stat64(&hw_stats->rx_undersize_packets);
8606
8607         stats->rx_over_errors = old_stats->rx_over_errors +
8608                 get_stat64(&hw_stats->rxbds_empty);
8609         stats->rx_frame_errors = old_stats->rx_frame_errors +
8610                 get_stat64(&hw_stats->rx_align_errors);
8611         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
8612                 get_stat64(&hw_stats->tx_discards);
8613         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
8614                 get_stat64(&hw_stats->tx_carrier_sense_errors);
8615
8616         stats->rx_crc_errors = old_stats->rx_crc_errors +
8617                 calc_crc_errors(tp);
8618
8619         stats->rx_missed_errors = old_stats->rx_missed_errors +
8620                 get_stat64(&hw_stats->rx_discards);
8621
8622         return stats;
8623 }
8624
8625 static inline u32 calc_crc(unsigned char *buf, int len)
8626 {
8627         u32 reg;
8628         u32 tmp;
8629         int j, k;
8630
8631         reg = 0xffffffff;
8632
8633         for (j = 0; j < len; j++) {
8634                 reg ^= buf[j];
8635
8636                 for (k = 0; k < 8; k++) {
8637                         tmp = reg & 0x01;
8638
8639                         reg >>= 1;
8640
8641                         if (tmp) {
8642                                 reg ^= 0xedb88320;
8643                         }
8644                 }
8645         }
8646
8647         return ~reg;
8648 }
8649
8650 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
8651 {
8652         /* accept or reject all multicast frames */
8653         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
8654         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
8655         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
8656         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
8657 }
8658
8659 static void __tg3_set_rx_mode(struct net_device *dev)
8660 {
8661         struct tg3 *tp = netdev_priv(dev);
8662         u32 rx_mode;
8663
8664         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
8665                                   RX_MODE_KEEP_VLAN_TAG);
8666
8667         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
8668          * flag clear.
8669          */
8670 #if TG3_VLAN_TAG_USED
8671         if (!tp->vlgrp &&
8672             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8673                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8674 #else
8675         /* By definition, VLAN is disabled always in this
8676          * case.
8677          */
8678         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8679                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8680 #endif
8681
8682         if (dev->flags & IFF_PROMISC) {
8683                 /* Promiscuous mode. */
8684                 rx_mode |= RX_MODE_PROMISC;
8685         } else if (dev->flags & IFF_ALLMULTI) {
8686                 /* Accept all multicast. */
8687                 tg3_set_multi (tp, 1);
8688         } else if (dev->mc_count < 1) {
8689                 /* Reject all multicast. */
8690                 tg3_set_multi (tp, 0);
8691         } else {
8692                 /* Accept one or more multicast(s). */
8693                 struct dev_mc_list *mclist;
8694                 unsigned int i;
8695                 u32 mc_filter[4] = { 0, };
8696                 u32 regidx;
8697                 u32 bit;
8698                 u32 crc;
8699
8700                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8701                      i++, mclist = mclist->next) {
8702
8703                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8704                         bit = ~crc & 0x7f;
8705                         regidx = (bit & 0x60) >> 5;
8706                         bit &= 0x1f;
8707                         mc_filter[regidx] |= (1 << bit);
8708                 }
8709
8710                 tw32(MAC_HASH_REG_0, mc_filter[0]);
8711                 tw32(MAC_HASH_REG_1, mc_filter[1]);
8712                 tw32(MAC_HASH_REG_2, mc_filter[2]);
8713                 tw32(MAC_HASH_REG_3, mc_filter[3]);
8714         }
8715
8716         if (rx_mode != tp->rx_mode) {
8717                 tp->rx_mode = rx_mode;
8718                 tw32_f(MAC_RX_MODE, rx_mode);
8719                 udelay(10);
8720         }
8721 }
8722
8723 static void tg3_set_rx_mode(struct net_device *dev)
8724 {
8725         struct tg3 *tp = netdev_priv(dev);
8726
8727         if (!netif_running(dev))
8728                 return;
8729
8730         tg3_full_lock(tp, 0);
8731         __tg3_set_rx_mode(dev);
8732         tg3_full_unlock(tp);
8733 }
8734
8735 #define TG3_REGDUMP_LEN         (32 * 1024)
8736
8737 static int tg3_get_regs_len(struct net_device *dev)
8738 {
8739         return TG3_REGDUMP_LEN;
8740 }
8741
8742 static void tg3_get_regs(struct net_device *dev,
8743                 struct ethtool_regs *regs, void *_p)
8744 {
8745         u32 *p = _p;
8746         struct tg3 *tp = netdev_priv(dev);
8747         u8 *orig_p = _p;
8748         int i;
8749
8750         regs->version = 0;
8751
8752         memset(p, 0, TG3_REGDUMP_LEN);
8753
8754         if (tp->link_config.phy_is_low_power)
8755                 return;
8756
8757         tg3_full_lock(tp, 0);
8758
8759 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
8760 #define GET_REG32_LOOP(base,len)                \
8761 do {    p = (u32 *)(orig_p + (base));           \
8762         for (i = 0; i < len; i += 4)            \
8763                 __GET_REG32((base) + i);        \
8764 } while (0)
8765 #define GET_REG32_1(reg)                        \
8766 do {    p = (u32 *)(orig_p + (reg));            \
8767         __GET_REG32((reg));                     \
8768 } while (0)
8769
8770         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8771         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8772         GET_REG32_LOOP(MAC_MODE, 0x4f0);
8773         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8774         GET_REG32_1(SNDDATAC_MODE);
8775         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8776         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8777         GET_REG32_1(SNDBDC_MODE);
8778         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8779         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8780         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8781         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8782         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8783         GET_REG32_1(RCVDCC_MODE);
8784         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8785         GET_REG32_LOOP(RCVCC_MODE, 0x14);
8786         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8787         GET_REG32_1(MBFREE_MODE);
8788         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8789         GET_REG32_LOOP(MEMARB_MODE, 0x10);
8790         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8791         GET_REG32_LOOP(RDMAC_MODE, 0x08);
8792         GET_REG32_LOOP(WDMAC_MODE, 0x08);
8793         GET_REG32_1(RX_CPU_MODE);
8794         GET_REG32_1(RX_CPU_STATE);
8795         GET_REG32_1(RX_CPU_PGMCTR);
8796         GET_REG32_1(RX_CPU_HWBKPT);
8797         GET_REG32_1(TX_CPU_MODE);
8798         GET_REG32_1(TX_CPU_STATE);
8799         GET_REG32_1(TX_CPU_PGMCTR);
8800         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8801         GET_REG32_LOOP(FTQ_RESET, 0x120);
8802         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8803         GET_REG32_1(DMAC_MODE);
8804         GET_REG32_LOOP(GRC_MODE, 0x4c);
8805         if (tp->tg3_flags & TG3_FLAG_NVRAM)
8806                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8807
8808 #undef __GET_REG32
8809 #undef GET_REG32_LOOP
8810 #undef GET_REG32_1
8811
8812         tg3_full_unlock(tp);
8813 }
8814
8815 static int tg3_get_eeprom_len(struct net_device *dev)
8816 {
8817         struct tg3 *tp = netdev_priv(dev);
8818
8819         return tp->nvram_size;
8820 }
8821
8822 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8823 {
8824         struct tg3 *tp = netdev_priv(dev);
8825         int ret;
8826         u8  *pd;
8827         u32 i, offset, len, b_offset, b_count;
8828         __be32 val;
8829
8830         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
8831                 return -EINVAL;
8832
8833         if (tp->link_config.phy_is_low_power)
8834                 return -EAGAIN;
8835
8836         offset = eeprom->offset;
8837         len = eeprom->len;
8838         eeprom->len = 0;
8839
8840         eeprom->magic = TG3_EEPROM_MAGIC;
8841
8842         if (offset & 3) {
8843                 /* adjustments to start on required 4 byte boundary */
8844                 b_offset = offset & 3;
8845                 b_count = 4 - b_offset;
8846                 if (b_count > len) {
8847                         /* i.e. offset=1 len=2 */
8848                         b_count = len;
8849                 }
8850                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
8851                 if (ret)
8852                         return ret;
8853                 memcpy(data, ((char*)&val) + b_offset, b_count);
8854                 len -= b_count;
8855                 offset += b_count;
8856                 eeprom->len += b_count;
8857         }
8858
8859         /* read bytes upto the last 4 byte boundary */
8860         pd = &data[eeprom->len];
8861         for (i = 0; i < (len - (len & 3)); i += 4) {
8862                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
8863                 if (ret) {
8864                         eeprom->len += i;
8865                         return ret;
8866                 }
8867                 memcpy(pd + i, &val, 4);
8868         }
8869         eeprom->len += i;
8870
8871         if (len & 3) {
8872                 /* read last bytes not ending on 4 byte boundary */
8873                 pd = &data[eeprom->len];
8874                 b_count = len & 3;
8875                 b_offset = offset + len - b_count;
8876                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
8877                 if (ret)
8878                         return ret;
8879                 memcpy(pd, &val, b_count);
8880                 eeprom->len += b_count;
8881         }
8882         return 0;
8883 }
8884
8885 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
8886
8887 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8888 {
8889         struct tg3 *tp = netdev_priv(dev);
8890         int ret;
8891         u32 offset, len, b_offset, odd_len;
8892         u8 *buf;
8893         __be32 start, end;
8894
8895         if (tp->link_config.phy_is_low_power)
8896                 return -EAGAIN;
8897
8898         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
8899             eeprom->magic != TG3_EEPROM_MAGIC)
8900                 return -EINVAL;
8901
8902         offset = eeprom->offset;
8903         len = eeprom->len;
8904
8905         if ((b_offset = (offset & 3))) {
8906                 /* adjustments to start on required 4 byte boundary */
8907                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
8908                 if (ret)
8909                         return ret;
8910                 len += b_offset;
8911                 offset &= ~3;
8912                 if (len < 4)
8913                         len = 4;
8914         }
8915
8916         odd_len = 0;
8917         if (len & 3) {
8918                 /* adjustments to end on required 4 byte boundary */
8919                 odd_len = 1;
8920                 len = (len + 3) & ~3;
8921                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
8922                 if (ret)
8923                         return ret;
8924         }
8925
8926         buf = data;
8927         if (b_offset || odd_len) {
8928                 buf = kmalloc(len, GFP_KERNEL);
8929                 if (!buf)
8930                         return -ENOMEM;
8931                 if (b_offset)
8932                         memcpy(buf, &start, 4);
8933                 if (odd_len)
8934                         memcpy(buf+len-4, &end, 4);
8935                 memcpy(buf + b_offset, data, eeprom->len);
8936         }
8937
8938         ret = tg3_nvram_write_block(tp, offset, len, buf);
8939
8940         if (buf != data)
8941                 kfree(buf);
8942
8943         return ret;
8944 }
8945
8946 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8947 {
8948         struct tg3 *tp = netdev_priv(dev);
8949
8950         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8951                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8952                         return -EAGAIN;
8953                 return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8954         }
8955
8956         cmd->supported = (SUPPORTED_Autoneg);
8957
8958         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8959                 cmd->supported |= (SUPPORTED_1000baseT_Half |
8960                                    SUPPORTED_1000baseT_Full);
8961
8962         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8963                 cmd->supported |= (SUPPORTED_100baseT_Half |
8964                                   SUPPORTED_100baseT_Full |
8965                                   SUPPORTED_10baseT_Half |
8966                                   SUPPORTED_10baseT_Full |
8967                                   SUPPORTED_TP);
8968                 cmd->port = PORT_TP;
8969         } else {
8970                 cmd->supported |= SUPPORTED_FIBRE;
8971                 cmd->port = PORT_FIBRE;
8972         }
8973
8974         cmd->advertising = tp->link_config.advertising;
8975         if (netif_running(dev)) {
8976                 cmd->speed = tp->link_config.active_speed;
8977                 cmd->duplex = tp->link_config.active_duplex;
8978         }
8979         cmd->phy_address = PHY_ADDR;
8980         cmd->transceiver = XCVR_INTERNAL;
8981         cmd->autoneg = tp->link_config.autoneg;
8982         cmd->maxtxpkt = 0;
8983         cmd->maxrxpkt = 0;
8984         return 0;
8985 }
8986
8987 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8988 {
8989         struct tg3 *tp = netdev_priv(dev);
8990
8991         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8992                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8993                         return -EAGAIN;
8994                 return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8995         }
8996
8997         if (cmd->autoneg != AUTONEG_ENABLE &&
8998             cmd->autoneg != AUTONEG_DISABLE)
8999                 return -EINVAL;
9000
9001         if (cmd->autoneg == AUTONEG_DISABLE &&
9002             cmd->duplex != DUPLEX_FULL &&
9003             cmd->duplex != DUPLEX_HALF)
9004                 return -EINVAL;
9005
9006         if (cmd->autoneg == AUTONEG_ENABLE) {
9007                 u32 mask = ADVERTISED_Autoneg |
9008                            ADVERTISED_Pause |
9009                            ADVERTISED_Asym_Pause;
9010
9011                 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9012                         mask |= ADVERTISED_1000baseT_Half |
9013                                 ADVERTISED_1000baseT_Full;
9014
9015                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9016                         mask |= ADVERTISED_100baseT_Half |
9017                                 ADVERTISED_100baseT_Full |
9018                                 ADVERTISED_10baseT_Half |
9019                                 ADVERTISED_10baseT_Full |
9020                                 ADVERTISED_TP;
9021                 else
9022                         mask |= ADVERTISED_FIBRE;
9023
9024                 if (cmd->advertising & ~mask)
9025                         return -EINVAL;
9026
9027                 mask &= (ADVERTISED_1000baseT_Half |
9028                          ADVERTISED_1000baseT_Full |
9029                          ADVERTISED_100baseT_Half |
9030                          ADVERTISED_100baseT_Full |
9031                          ADVERTISED_10baseT_Half |
9032                          ADVERTISED_10baseT_Full);
9033
9034                 cmd->advertising &= mask;
9035         } else {
9036                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9037                         if (cmd->speed != SPEED_1000)
9038                                 return -EINVAL;
9039
9040                         if (cmd->duplex != DUPLEX_FULL)
9041                                 return -EINVAL;
9042                 } else {
9043                         if (cmd->speed != SPEED_100 &&
9044                             cmd->speed != SPEED_10)
9045                                 return -EINVAL;
9046                 }
9047         }
9048
9049         tg3_full_lock(tp, 0);
9050
9051         tp->link_config.autoneg = cmd->autoneg;
9052         if (cmd->autoneg == AUTONEG_ENABLE) {
9053                 tp->link_config.advertising = (cmd->advertising |
9054                                               ADVERTISED_Autoneg);
9055                 tp->link_config.speed = SPEED_INVALID;
9056                 tp->link_config.duplex = DUPLEX_INVALID;
9057         } else {
9058                 tp->link_config.advertising = 0;
9059                 tp->link_config.speed = cmd->speed;
9060                 tp->link_config.duplex = cmd->duplex;
9061         }
9062
9063         tp->link_config.orig_speed = tp->link_config.speed;
9064         tp->link_config.orig_duplex = tp->link_config.duplex;
9065         tp->link_config.orig_autoneg = tp->link_config.autoneg;
9066
9067         if (netif_running(dev))
9068                 tg3_setup_phy(tp, 1);
9069
9070         tg3_full_unlock(tp);
9071
9072         return 0;
9073 }
9074
9075 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9076 {
9077         struct tg3 *tp = netdev_priv(dev);
9078
9079         strcpy(info->driver, DRV_MODULE_NAME);
9080         strcpy(info->version, DRV_MODULE_VERSION);
9081         strcpy(info->fw_version, tp->fw_ver);
9082         strcpy(info->bus_info, pci_name(tp->pdev));
9083 }
9084
9085 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9086 {
9087         struct tg3 *tp = netdev_priv(dev);
9088
9089         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9090             device_can_wakeup(&tp->pdev->dev))
9091                 wol->supported = WAKE_MAGIC;
9092         else
9093                 wol->supported = 0;
9094         wol->wolopts = 0;
9095         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9096             device_can_wakeup(&tp->pdev->dev))
9097                 wol->wolopts = WAKE_MAGIC;
9098         memset(&wol->sopass, 0, sizeof(wol->sopass));
9099 }
9100
9101 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9102 {
9103         struct tg3 *tp = netdev_priv(dev);
9104         struct device *dp = &tp->pdev->dev;
9105
9106         if (wol->wolopts & ~WAKE_MAGIC)
9107                 return -EINVAL;
9108         if ((wol->wolopts & WAKE_MAGIC) &&
9109             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9110                 return -EINVAL;
9111
9112         spin_lock_bh(&tp->lock);
9113         if (wol->wolopts & WAKE_MAGIC) {
9114                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9115                 device_set_wakeup_enable(dp, true);
9116         } else {
9117                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9118                 device_set_wakeup_enable(dp, false);
9119         }
9120         spin_unlock_bh(&tp->lock);
9121
9122         return 0;
9123 }
9124
9125 static u32 tg3_get_msglevel(struct net_device *dev)
9126 {
9127         struct tg3 *tp = netdev_priv(dev);
9128         return tp->msg_enable;
9129 }
9130
9131 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9132 {
9133         struct tg3 *tp = netdev_priv(dev);
9134         tp->msg_enable = value;
9135 }
9136
9137 static int tg3_set_tso(struct net_device *dev, u32 value)
9138 {
9139         struct tg3 *tp = netdev_priv(dev);
9140
9141         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9142                 if (value)
9143                         return -EINVAL;
9144                 return 0;
9145         }
9146         if ((dev->features & NETIF_F_IPV6_CSUM) &&
9147             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
9148                 if (value) {
9149                         dev->features |= NETIF_F_TSO6;
9150                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9151                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9152                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9153                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9154                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9155                                 dev->features |= NETIF_F_TSO_ECN;
9156                 } else
9157                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9158         }
9159         return ethtool_op_set_tso(dev, value);
9160 }
9161
9162 static int tg3_nway_reset(struct net_device *dev)
9163 {
9164         struct tg3 *tp = netdev_priv(dev);
9165         int r;
9166
9167         if (!netif_running(dev))
9168                 return -EAGAIN;
9169
9170         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9171                 return -EINVAL;
9172
9173         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9174                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9175                         return -EAGAIN;
9176                 r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
9177         } else {
9178                 u32 bmcr;
9179
9180                 spin_lock_bh(&tp->lock);
9181                 r = -EINVAL;
9182                 tg3_readphy(tp, MII_BMCR, &bmcr);
9183                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9184                     ((bmcr & BMCR_ANENABLE) ||
9185                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9186                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9187                                                    BMCR_ANENABLE);
9188                         r = 0;
9189                 }
9190                 spin_unlock_bh(&tp->lock);
9191         }
9192
9193         return r;
9194 }
9195
9196 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9197 {
9198         struct tg3 *tp = netdev_priv(dev);
9199
9200         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9201         ering->rx_mini_max_pending = 0;
9202         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9203                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9204         else
9205                 ering->rx_jumbo_max_pending = 0;
9206
9207         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
9208
9209         ering->rx_pending = tp->rx_pending;
9210         ering->rx_mini_pending = 0;
9211         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9212                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9213         else
9214                 ering->rx_jumbo_pending = 0;
9215
9216         ering->tx_pending = tp->napi[0].tx_pending;
9217 }
9218
9219 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9220 {
9221         struct tg3 *tp = netdev_priv(dev);
9222         int i, irq_sync = 0, err = 0;
9223
9224         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9225             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
9226             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9227             (ering->tx_pending <= MAX_SKB_FRAGS) ||
9228             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
9229              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
9230                 return -EINVAL;
9231
9232         if (netif_running(dev)) {
9233                 tg3_phy_stop(tp);
9234                 tg3_netif_stop(tp);
9235                 irq_sync = 1;
9236         }
9237
9238         tg3_full_lock(tp, irq_sync);
9239
9240         tp->rx_pending = ering->rx_pending;
9241
9242         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9243             tp->rx_pending > 63)
9244                 tp->rx_pending = 63;
9245         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
9246
9247         for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9248                 tp->napi[i].tx_pending = ering->tx_pending;
9249
9250         if (netif_running(dev)) {
9251                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9252                 err = tg3_restart_hw(tp, 1);
9253                 if (!err)
9254                         tg3_netif_start(tp);
9255         }
9256
9257         tg3_full_unlock(tp);
9258
9259         if (irq_sync && !err)
9260                 tg3_phy_start(tp);
9261
9262         return err;
9263 }
9264
9265 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9266 {
9267         struct tg3 *tp = netdev_priv(dev);
9268
9269         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
9270
9271         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
9272                 epause->rx_pause = 1;
9273         else
9274                 epause->rx_pause = 0;
9275
9276         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
9277                 epause->tx_pause = 1;
9278         else
9279                 epause->tx_pause = 0;
9280 }
9281
9282 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9283 {
9284         struct tg3 *tp = netdev_priv(dev);
9285         int err = 0;
9286
9287         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9288                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9289                         return -EAGAIN;
9290
9291                 if (epause->autoneg) {
9292                         u32 newadv;
9293                         struct phy_device *phydev;
9294
9295                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
9296
9297                         if (epause->rx_pause) {
9298                                 if (epause->tx_pause)
9299                                         newadv = ADVERTISED_Pause;
9300                                 else
9301                                         newadv = ADVERTISED_Pause |
9302                                                  ADVERTISED_Asym_Pause;
9303                         } else if (epause->tx_pause) {
9304                                 newadv = ADVERTISED_Asym_Pause;
9305                         } else
9306                                 newadv = 0;
9307
9308                         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9309                                 u32 oldadv = phydev->advertising &
9310                                              (ADVERTISED_Pause |
9311                                               ADVERTISED_Asym_Pause);
9312                                 if (oldadv != newadv) {
9313                                         phydev->advertising &=
9314                                                 ~(ADVERTISED_Pause |
9315                                                   ADVERTISED_Asym_Pause);
9316                                         phydev->advertising |= newadv;
9317                                         err = phy_start_aneg(phydev);
9318                                 }
9319                         } else {
9320                                 tp->link_config.advertising &=
9321                                                 ~(ADVERTISED_Pause |
9322                                                   ADVERTISED_Asym_Pause);
9323                                 tp->link_config.advertising |= newadv;
9324                         }
9325                 } else {
9326                         if (epause->rx_pause)
9327                                 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9328                         else
9329                                 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9330
9331                         if (epause->tx_pause)
9332                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9333                         else
9334                                 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9335
9336                         if (netif_running(dev))
9337                                 tg3_setup_flow_control(tp, 0, 0);
9338                 }
9339         } else {
9340                 int irq_sync = 0;
9341
9342                 if (netif_running(dev)) {
9343                         tg3_netif_stop(tp);
9344                         irq_sync = 1;
9345                 }
9346
9347                 tg3_full_lock(tp, irq_sync);
9348
9349                 if (epause->autoneg)
9350                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9351                 else
9352                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9353                 if (epause->rx_pause)
9354                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
9355                 else
9356                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9357                 if (epause->tx_pause)
9358                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
9359                 else
9360                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9361
9362                 if (netif_running(dev)) {
9363                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9364                         err = tg3_restart_hw(tp, 1);
9365                         if (!err)
9366                                 tg3_netif_start(tp);
9367                 }
9368
9369                 tg3_full_unlock(tp);
9370         }
9371
9372         return err;
9373 }
9374
9375 static u32 tg3_get_rx_csum(struct net_device *dev)
9376 {
9377         struct tg3 *tp = netdev_priv(dev);
9378         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9379 }
9380
9381 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9382 {
9383         struct tg3 *tp = netdev_priv(dev);
9384
9385         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9386                 if (data != 0)
9387                         return -EINVAL;
9388                 return 0;
9389         }
9390
9391         spin_lock_bh(&tp->lock);
9392         if (data)
9393                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9394         else
9395                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9396         spin_unlock_bh(&tp->lock);
9397
9398         return 0;
9399 }
9400
9401 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9402 {
9403         struct tg3 *tp = netdev_priv(dev);
9404
9405         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9406                 if (data != 0)
9407                         return -EINVAL;
9408                 return 0;
9409         }
9410
9411         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9412                 ethtool_op_set_tx_ipv6_csum(dev, data);
9413         else
9414                 ethtool_op_set_tx_csum(dev, data);
9415
9416         return 0;
9417 }
9418
9419 static int tg3_get_sset_count (struct net_device *dev, int sset)
9420 {
9421         switch (sset) {
9422         case ETH_SS_TEST:
9423                 return TG3_NUM_TEST;
9424         case ETH_SS_STATS:
9425                 return TG3_NUM_STATS;
9426         default:
9427                 return -EOPNOTSUPP;
9428         }
9429 }
9430
9431 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9432 {
9433         switch (stringset) {
9434         case ETH_SS_STATS:
9435                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
9436                 break;
9437         case ETH_SS_TEST:
9438                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
9439                 break;
9440         default:
9441                 WARN_ON(1);     /* we need a WARN() */
9442                 break;
9443         }
9444 }
9445
9446 static int tg3_phys_id(struct net_device *dev, u32 data)
9447 {
9448         struct tg3 *tp = netdev_priv(dev);
9449         int i;
9450
9451         if (!netif_running(tp->dev))
9452                 return -EAGAIN;
9453
9454         if (data == 0)
9455                 data = UINT_MAX / 2;
9456
9457         for (i = 0; i < (data * 2); i++) {
9458                 if ((i % 2) == 0)
9459                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9460                                            LED_CTRL_1000MBPS_ON |
9461                                            LED_CTRL_100MBPS_ON |
9462                                            LED_CTRL_10MBPS_ON |
9463                                            LED_CTRL_TRAFFIC_OVERRIDE |
9464                                            LED_CTRL_TRAFFIC_BLINK |
9465                                            LED_CTRL_TRAFFIC_LED);
9466
9467                 else
9468                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9469                                            LED_CTRL_TRAFFIC_OVERRIDE);
9470
9471                 if (msleep_interruptible(500))
9472                         break;
9473         }
9474         tw32(MAC_LED_CTRL, tp->led_ctrl);
9475         return 0;
9476 }
9477
9478 static void tg3_get_ethtool_stats (struct net_device *dev,
9479                                    struct ethtool_stats *estats, u64 *tmp_stats)
9480 {
9481         struct tg3 *tp = netdev_priv(dev);
9482         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9483 }
9484
9485 #define NVRAM_TEST_SIZE 0x100
9486 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
9487 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
9488 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
9489 #define NVRAM_SELFBOOT_HW_SIZE 0x20
9490 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
9491
9492 static int tg3_test_nvram(struct tg3 *tp)
9493 {
9494         u32 csum, magic;
9495         __be32 *buf;
9496         int i, j, k, err = 0, size;
9497
9498         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9499                 return 0;
9500
9501         if (tg3_nvram_read(tp, 0, &magic) != 0)
9502                 return -EIO;
9503
9504         if (magic == TG3_EEPROM_MAGIC)
9505                 size = NVRAM_TEST_SIZE;
9506         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
9507                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9508                     TG3_EEPROM_SB_FORMAT_1) {
9509                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9510                         case TG3_EEPROM_SB_REVISION_0:
9511                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9512                                 break;
9513                         case TG3_EEPROM_SB_REVISION_2:
9514                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9515                                 break;
9516                         case TG3_EEPROM_SB_REVISION_3:
9517                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9518                                 break;
9519                         default:
9520                                 return 0;
9521                         }
9522                 } else
9523                         return 0;
9524         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9525                 size = NVRAM_SELFBOOT_HW_SIZE;
9526         else
9527                 return -EIO;
9528
9529         buf = kmalloc(size, GFP_KERNEL);
9530         if (buf == NULL)
9531                 return -ENOMEM;
9532
9533         err = -EIO;
9534         for (i = 0, j = 0; i < size; i += 4, j++) {
9535                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9536                 if (err)
9537                         break;
9538         }
9539         if (i < size)
9540                 goto out;
9541
9542         /* Selfboot format */
9543         magic = be32_to_cpu(buf[0]);
9544         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
9545             TG3_EEPROM_MAGIC_FW) {
9546                 u8 *buf8 = (u8 *) buf, csum8 = 0;
9547
9548                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
9549                     TG3_EEPROM_SB_REVISION_2) {
9550                         /* For rev 2, the csum doesn't include the MBA. */
9551                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9552                                 csum8 += buf8[i];
9553                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9554                                 csum8 += buf8[i];
9555                 } else {
9556                         for (i = 0; i < size; i++)
9557                                 csum8 += buf8[i];
9558                 }
9559
9560                 if (csum8 == 0) {
9561                         err = 0;
9562                         goto out;
9563                 }
9564
9565                 err = -EIO;
9566                 goto out;
9567         }
9568
9569         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
9570             TG3_EEPROM_MAGIC_HW) {
9571                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
9572                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
9573                 u8 *buf8 = (u8 *) buf;
9574
9575                 /* Separate the parity bits and the data bytes.  */
9576                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
9577                         if ((i == 0) || (i == 8)) {
9578                                 int l;
9579                                 u8 msk;
9580
9581                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
9582                                         parity[k++] = buf8[i] & msk;
9583                                 i++;
9584                         }
9585                         else if (i == 16) {
9586                                 int l;
9587                                 u8 msk;
9588
9589                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
9590                                         parity[k++] = buf8[i] & msk;
9591                                 i++;
9592
9593                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
9594                                         parity[k++] = buf8[i] & msk;
9595                                 i++;
9596                         }
9597                         data[j++] = buf8[i];
9598                 }
9599
9600                 err = -EIO;
9601                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
9602                         u8 hw8 = hweight8(data[i]);
9603
9604                         if ((hw8 & 0x1) && parity[i])
9605                                 goto out;
9606                         else if (!(hw8 & 0x1) && !parity[i])
9607                                 goto out;
9608                 }
9609                 err = 0;
9610                 goto out;
9611         }
9612
9613         /* Bootstrap checksum at offset 0x10 */
9614         csum = calc_crc((unsigned char *) buf, 0x10);
9615         if (csum != be32_to_cpu(buf[0x10/4]))
9616                 goto out;
9617
9618         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
9619         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
9620         if (csum != be32_to_cpu(buf[0xfc/4]))
9621                 goto out;
9622
9623         err = 0;
9624
9625 out:
9626         kfree(buf);
9627         return err;
9628 }
9629
9630 #define TG3_SERDES_TIMEOUT_SEC  2
9631 #define TG3_COPPER_TIMEOUT_SEC  6
9632
9633 static int tg3_test_link(struct tg3 *tp)
9634 {
9635         int i, max;
9636
9637         if (!netif_running(tp->dev))
9638                 return -ENODEV;
9639
9640         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
9641                 max = TG3_SERDES_TIMEOUT_SEC;
9642         else
9643                 max = TG3_COPPER_TIMEOUT_SEC;
9644
9645         for (i = 0; i < max; i++) {
9646                 if (netif_carrier_ok(tp->dev))
9647                         return 0;
9648
9649                 if (msleep_interruptible(1000))
9650                         break;
9651         }
9652
9653         return -EIO;
9654 }
9655
9656 /* Only test the commonly used registers */
9657 static int tg3_test_registers(struct tg3 *tp)
9658 {
9659         int i, is_5705, is_5750;
9660         u32 offset, read_mask, write_mask, val, save_val, read_val;
9661         static struct {
9662                 u16 offset;
9663                 u16 flags;
9664 #define TG3_FL_5705     0x1
9665 #define TG3_FL_NOT_5705 0x2
9666 #define TG3_FL_NOT_5788 0x4
9667 #define TG3_FL_NOT_5750 0x8
9668                 u32 read_mask;
9669                 u32 write_mask;
9670         } reg_tbl[] = {
9671                 /* MAC Control Registers */
9672                 { MAC_MODE, TG3_FL_NOT_5705,
9673                         0x00000000, 0x00ef6f8c },
9674                 { MAC_MODE, TG3_FL_5705,
9675                         0x00000000, 0x01ef6b8c },
9676                 { MAC_STATUS, TG3_FL_NOT_5705,
9677                         0x03800107, 0x00000000 },
9678                 { MAC_STATUS, TG3_FL_5705,
9679                         0x03800100, 0x00000000 },
9680                 { MAC_ADDR_0_HIGH, 0x0000,
9681                         0x00000000, 0x0000ffff },
9682                 { MAC_ADDR_0_LOW, 0x0000,
9683                         0x00000000, 0xffffffff },
9684                 { MAC_RX_MTU_SIZE, 0x0000,
9685                         0x00000000, 0x0000ffff },
9686                 { MAC_TX_MODE, 0x0000,
9687                         0x00000000, 0x00000070 },
9688                 { MAC_TX_LENGTHS, 0x0000,
9689                         0x00000000, 0x00003fff },
9690                 { MAC_RX_MODE, TG3_FL_NOT_5705,
9691                         0x00000000, 0x000007fc },
9692                 { MAC_RX_MODE, TG3_FL_5705,
9693                         0x00000000, 0x000007dc },
9694                 { MAC_HASH_REG_0, 0x0000,
9695                         0x00000000, 0xffffffff },
9696                 { MAC_HASH_REG_1, 0x0000,
9697                         0x00000000, 0xffffffff },
9698                 { MAC_HASH_REG_2, 0x0000,
9699                         0x00000000, 0xffffffff },
9700                 { MAC_HASH_REG_3, 0x0000,
9701                         0x00000000, 0xffffffff },
9702
9703                 /* Receive Data and Receive BD Initiator Control Registers. */
9704                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
9705                         0x00000000, 0xffffffff },
9706                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
9707                         0x00000000, 0xffffffff },
9708                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
9709                         0x00000000, 0x00000003 },
9710                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
9711                         0x00000000, 0xffffffff },
9712                 { RCVDBDI_STD_BD+0, 0x0000,
9713                         0x00000000, 0xffffffff },
9714                 { RCVDBDI_STD_BD+4, 0x0000,
9715                         0x00000000, 0xffffffff },
9716                 { RCVDBDI_STD_BD+8, 0x0000,
9717                         0x00000000, 0xffff0002 },
9718                 { RCVDBDI_STD_BD+0xc, 0x0000,
9719                         0x00000000, 0xffffffff },
9720
9721                 /* Receive BD Initiator Control Registers. */
9722                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
9723                         0x00000000, 0xffffffff },
9724                 { RCVBDI_STD_THRESH, TG3_FL_5705,
9725                         0x00000000, 0x000003ff },
9726                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
9727                         0x00000000, 0xffffffff },
9728
9729                 /* Host Coalescing Control Registers. */
9730                 { HOSTCC_MODE, TG3_FL_NOT_5705,
9731                         0x00000000, 0x00000004 },
9732                 { HOSTCC_MODE, TG3_FL_5705,
9733                         0x00000000, 0x000000f6 },
9734                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
9735                         0x00000000, 0xffffffff },
9736                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
9737                         0x00000000, 0x000003ff },
9738                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
9739                         0x00000000, 0xffffffff },
9740                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
9741                         0x00000000, 0x000003ff },
9742                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
9743                         0x00000000, 0xffffffff },
9744                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9745                         0x00000000, 0x000000ff },
9746                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
9747                         0x00000000, 0xffffffff },
9748                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9749                         0x00000000, 0x000000ff },
9750                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
9751                         0x00000000, 0xffffffff },
9752                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
9753                         0x00000000, 0xffffffff },
9754                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9755                         0x00000000, 0xffffffff },
9756                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9757                         0x00000000, 0x000000ff },
9758                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9759                         0x00000000, 0xffffffff },
9760                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9761                         0x00000000, 0x000000ff },
9762                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
9763                         0x00000000, 0xffffffff },
9764                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
9765                         0x00000000, 0xffffffff },
9766                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
9767                         0x00000000, 0xffffffff },
9768                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
9769                         0x00000000, 0xffffffff },
9770                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
9771                         0x00000000, 0xffffffff },
9772                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
9773                         0xffffffff, 0x00000000 },
9774                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
9775                         0xffffffff, 0x00000000 },
9776
9777                 /* Buffer Manager Control Registers. */
9778                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
9779                         0x00000000, 0x007fff80 },
9780                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
9781                         0x00000000, 0x007fffff },
9782                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
9783                         0x00000000, 0x0000003f },
9784                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
9785                         0x00000000, 0x000001ff },
9786                 { BUFMGR_MB_HIGH_WATER, 0x0000,
9787                         0x00000000, 0x000001ff },
9788                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
9789                         0xffffffff, 0x00000000 },
9790                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
9791                         0xffffffff, 0x00000000 },
9792
9793                 /* Mailbox Registers */
9794                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
9795                         0x00000000, 0x000001ff },
9796                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
9797                         0x00000000, 0x000001ff },
9798                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
9799                         0x00000000, 0x000007ff },
9800                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
9801                         0x00000000, 0x000001ff },
9802
9803                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
9804         };
9805
9806         is_5705 = is_5750 = 0;
9807         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9808                 is_5705 = 1;
9809                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
9810                         is_5750 = 1;
9811         }
9812
9813         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
9814                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
9815                         continue;
9816
9817                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
9818                         continue;
9819
9820                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9821                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
9822                         continue;
9823
9824                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
9825                         continue;
9826
9827                 offset = (u32) reg_tbl[i].offset;
9828                 read_mask = reg_tbl[i].read_mask;
9829                 write_mask = reg_tbl[i].write_mask;
9830
9831                 /* Save the original register content */
9832                 save_val = tr32(offset);
9833
9834                 /* Determine the read-only value. */
9835                 read_val = save_val & read_mask;
9836
9837                 /* Write zero to the register, then make sure the read-only bits
9838                  * are not changed and the read/write bits are all zeros.
9839                  */
9840                 tw32(offset, 0);
9841
9842                 val = tr32(offset);
9843
9844                 /* Test the read-only and read/write bits. */
9845                 if (((val & read_mask) != read_val) || (val & write_mask))
9846                         goto out;
9847
9848                 /* Write ones to all the bits defined by RdMask and WrMask, then
9849                  * make sure the read-only bits are not changed and the
9850                  * read/write bits are all ones.
9851                  */
9852                 tw32(offset, read_mask | write_mask);
9853
9854                 val = tr32(offset);
9855
9856                 /* Test the read-only bits. */
9857                 if ((val & read_mask) != read_val)
9858                         goto out;
9859
9860                 /* Test the read/write bits. */
9861                 if ((val & write_mask) != write_mask)
9862                         goto out;
9863
9864                 tw32(offset, save_val);
9865         }
9866
9867         return 0;
9868
9869 out:
9870         if (netif_msg_hw(tp))
9871                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9872                        offset);
9873         tw32(offset, save_val);
9874         return -EIO;
9875 }
9876
9877 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9878 {
9879         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
9880         int i;
9881         u32 j;
9882
9883         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
9884                 for (j = 0; j < len; j += 4) {
9885                         u32 val;
9886
9887                         tg3_write_mem(tp, offset + j, test_pattern[i]);
9888                         tg3_read_mem(tp, offset + j, &val);
9889                         if (val != test_pattern[i])
9890                                 return -EIO;
9891                 }
9892         }
9893         return 0;
9894 }
9895
9896 static int tg3_test_memory(struct tg3 *tp)
9897 {
9898         static struct mem_entry {
9899                 u32 offset;
9900                 u32 len;
9901         } mem_tbl_570x[] = {
9902                 { 0x00000000, 0x00b50},
9903                 { 0x00002000, 0x1c000},
9904                 { 0xffffffff, 0x00000}
9905         }, mem_tbl_5705[] = {
9906                 { 0x00000100, 0x0000c},
9907                 { 0x00000200, 0x00008},
9908                 { 0x00004000, 0x00800},
9909                 { 0x00006000, 0x01000},
9910                 { 0x00008000, 0x02000},
9911                 { 0x00010000, 0x0e000},
9912                 { 0xffffffff, 0x00000}
9913         }, mem_tbl_5755[] = {
9914                 { 0x00000200, 0x00008},
9915                 { 0x00004000, 0x00800},
9916                 { 0x00006000, 0x00800},
9917                 { 0x00008000, 0x02000},
9918                 { 0x00010000, 0x0c000},
9919                 { 0xffffffff, 0x00000}
9920         }, mem_tbl_5906[] = {
9921                 { 0x00000200, 0x00008},
9922                 { 0x00004000, 0x00400},
9923                 { 0x00006000, 0x00400},
9924                 { 0x00008000, 0x01000},
9925                 { 0x00010000, 0x01000},
9926                 { 0xffffffff, 0x00000}
9927         };
9928         struct mem_entry *mem_tbl;
9929         int err = 0;
9930         int i;
9931
9932         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9933                 mem_tbl = mem_tbl_5755;
9934         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9935                 mem_tbl = mem_tbl_5906;
9936         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
9937                 mem_tbl = mem_tbl_5705;
9938         else
9939                 mem_tbl = mem_tbl_570x;
9940
9941         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9942                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9943                     mem_tbl[i].len)) != 0)
9944                         break;
9945         }
9946
9947         return err;
9948 }
9949
9950 #define TG3_MAC_LOOPBACK        0
9951 #define TG3_PHY_LOOPBACK        1
9952
9953 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
9954 {
9955         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
9956         u32 desc_idx, coal_now;
9957         struct sk_buff *skb, *rx_skb;
9958         u8 *tx_data;
9959         dma_addr_t map;
9960         int num_pkts, tx_len, rx_len, i, err;
9961         struct tg3_rx_buffer_desc *desc;
9962         struct tg3_napi *tnapi, *rnapi;
9963         struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
9964
9965         tnapi = &tp->napi[0];
9966         rnapi = &tp->napi[0];
9967         coal_now = tnapi->coal_now | rnapi->coal_now;
9968
9969         if (loopback_mode == TG3_MAC_LOOPBACK) {
9970                 /* HW errata - mac loopback fails in some cases on 5780.
9971                  * Normal traffic and PHY loopback are not affected by
9972                  * errata.
9973                  */
9974                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9975                         return 0;
9976
9977                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
9978                            MAC_MODE_PORT_INT_LPBACK;
9979                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9980                         mac_mode |= MAC_MODE_LINK_POLARITY;
9981                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9982                         mac_mode |= MAC_MODE_PORT_MODE_MII;
9983                 else
9984                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
9985                 tw32(MAC_MODE, mac_mode);
9986         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
9987                 u32 val;
9988
9989                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
9990                         tg3_phy_fet_toggle_apd(tp, false);
9991                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9992                 } else
9993                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
9994
9995                 tg3_phy_toggle_automdix(tp, 0);
9996
9997                 tg3_writephy(tp, MII_BMCR, val);
9998                 udelay(40);
9999
10000                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10001                 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10002                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10003                                 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
10004                         mac_mode |= MAC_MODE_PORT_MODE_MII;
10005                 } else
10006                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
10007
10008                 /* reset to prevent losing 1st rx packet intermittently */
10009                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10010                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10011                         udelay(10);
10012                         tw32_f(MAC_RX_MODE, tp->rx_mode);
10013                 }
10014                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10015                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10016                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10017                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10018                                 mac_mode |= MAC_MODE_LINK_POLARITY;
10019                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
10020                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10021                 }
10022                 tw32(MAC_MODE, mac_mode);
10023         }
10024         else
10025                 return -EINVAL;
10026
10027         err = -EIO;
10028
10029         tx_len = 1514;
10030         skb = netdev_alloc_skb(tp->dev, tx_len);
10031         if (!skb)
10032                 return -ENOMEM;
10033
10034         tx_data = skb_put(skb, tx_len);
10035         memcpy(tx_data, tp->dev->dev_addr, 6);
10036         memset(tx_data + 6, 0x0, 8);
10037
10038         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10039
10040         for (i = 14; i < tx_len; i++)
10041                 tx_data[i] = (u8) (i & 0xff);
10042
10043         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10044
10045         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10046                rnapi->coal_now);
10047
10048         udelay(10);
10049
10050         rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10051
10052         num_pkts = 0;
10053
10054         tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10055
10056         tnapi->tx_prod++;
10057         num_pkts++;
10058
10059         tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10060         tr32_mailbox(tnapi->prodmbox);
10061
10062         udelay(10);
10063
10064         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
10065         for (i = 0; i < 25; i++) {
10066                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10067                        coal_now);
10068
10069                 udelay(10);
10070
10071                 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10072                 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10073                 if ((tx_idx == tnapi->tx_prod) &&
10074                     (rx_idx == (rx_start_idx + num_pkts)))
10075                         break;
10076         }
10077
10078         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10079         dev_kfree_skb(skb);
10080
10081         if (tx_idx != tnapi->tx_prod)
10082                 goto out;
10083
10084         if (rx_idx != rx_start_idx + num_pkts)
10085                 goto out;
10086
10087         desc = &rnapi->rx_rcb[rx_start_idx];
10088         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10089         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10090         if (opaque_key != RXD_OPAQUE_RING_STD)
10091                 goto out;
10092
10093         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10094             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10095                 goto out;
10096
10097         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10098         if (rx_len != tx_len)
10099                 goto out;
10100
10101         rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10102
10103         map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10104         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10105
10106         for (i = 14; i < tx_len; i++) {
10107                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10108                         goto out;
10109         }
10110         err = 0;
10111
10112         /* tg3_free_rings will unmap and free the rx_skb */
10113 out:
10114         return err;
10115 }
10116
10117 #define TG3_MAC_LOOPBACK_FAILED         1
10118 #define TG3_PHY_LOOPBACK_FAILED         2
10119 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
10120                                          TG3_PHY_LOOPBACK_FAILED)
10121
10122 static int tg3_test_loopback(struct tg3 *tp)
10123 {
10124         int err = 0;
10125         u32 cpmuctrl = 0;
10126
10127         if (!netif_running(tp->dev))
10128                 return TG3_LOOPBACK_FAILED;
10129
10130         err = tg3_reset_hw(tp, 1);
10131         if (err)
10132                 return TG3_LOOPBACK_FAILED;
10133
10134         /* Turn off gphy autopowerdown. */
10135         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10136                 tg3_phy_toggle_apd(tp, false);
10137
10138         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10139                 int i;
10140                 u32 status;
10141
10142                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10143
10144                 /* Wait for up to 40 microseconds to acquire lock. */
10145                 for (i = 0; i < 4; i++) {
10146                         status = tr32(TG3_CPMU_MUTEX_GNT);
10147                         if (status == CPMU_MUTEX_GNT_DRIVER)
10148                                 break;
10149                         udelay(10);
10150                 }
10151
10152                 if (status != CPMU_MUTEX_GNT_DRIVER)
10153                         return TG3_LOOPBACK_FAILED;
10154
10155                 /* Turn off link-based power management. */
10156                 cpmuctrl = tr32(TG3_CPMU_CTRL);
10157                 tw32(TG3_CPMU_CTRL,
10158                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10159                                   CPMU_CTRL_LINK_AWARE_MODE));
10160         }
10161
10162         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10163                 err |= TG3_MAC_LOOPBACK_FAILED;
10164
10165         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10166                 tw32(TG3_CPMU_CTRL, cpmuctrl);
10167
10168                 /* Release the mutex */
10169                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10170         }
10171
10172         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10173             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
10174                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10175                         err |= TG3_PHY_LOOPBACK_FAILED;
10176         }
10177
10178         /* Re-enable gphy autopowerdown. */
10179         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10180                 tg3_phy_toggle_apd(tp, true);
10181
10182         return err;
10183 }
10184
10185 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10186                           u64 *data)
10187 {
10188         struct tg3 *tp = netdev_priv(dev);
10189
10190         if (tp->link_config.phy_is_low_power)
10191                 tg3_set_power_state(tp, PCI_D0);
10192
10193         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10194
10195         if (tg3_test_nvram(tp) != 0) {
10196                 etest->flags |= ETH_TEST_FL_FAILED;
10197                 data[0] = 1;
10198         }
10199         if (tg3_test_link(tp) != 0) {
10200                 etest->flags |= ETH_TEST_FL_FAILED;
10201                 data[1] = 1;
10202         }
10203         if (etest->flags & ETH_TEST_FL_OFFLINE) {
10204                 int err, err2 = 0, irq_sync = 0;
10205
10206                 if (netif_running(dev)) {
10207                         tg3_phy_stop(tp);
10208                         tg3_netif_stop(tp);
10209                         irq_sync = 1;
10210                 }
10211
10212                 tg3_full_lock(tp, irq_sync);
10213
10214                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
10215                 err = tg3_nvram_lock(tp);
10216                 tg3_halt_cpu(tp, RX_CPU_BASE);
10217                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10218                         tg3_halt_cpu(tp, TX_CPU_BASE);
10219                 if (!err)
10220                         tg3_nvram_unlock(tp);
10221
10222                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
10223                         tg3_phy_reset(tp);
10224
10225                 if (tg3_test_registers(tp) != 0) {
10226                         etest->flags |= ETH_TEST_FL_FAILED;
10227                         data[2] = 1;
10228                 }
10229                 if (tg3_test_memory(tp) != 0) {
10230                         etest->flags |= ETH_TEST_FL_FAILED;
10231                         data[3] = 1;
10232                 }
10233                 if ((data[4] = tg3_test_loopback(tp)) != 0)
10234                         etest->flags |= ETH_TEST_FL_FAILED;
10235
10236                 tg3_full_unlock(tp);
10237
10238                 if (tg3_test_interrupt(tp) != 0) {
10239                         etest->flags |= ETH_TEST_FL_FAILED;
10240                         data[5] = 1;
10241                 }
10242
10243                 tg3_full_lock(tp, 0);
10244
10245                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10246                 if (netif_running(dev)) {
10247                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
10248                         err2 = tg3_restart_hw(tp, 1);
10249                         if (!err2)
10250                                 tg3_netif_start(tp);
10251                 }
10252
10253                 tg3_full_unlock(tp);
10254
10255                 if (irq_sync && !err2)
10256                         tg3_phy_start(tp);
10257         }
10258         if (tp->link_config.phy_is_low_power)
10259                 tg3_set_power_state(tp, PCI_D3hot);
10260
10261 }
10262
10263 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10264 {
10265         struct mii_ioctl_data *data = if_mii(ifr);
10266         struct tg3 *tp = netdev_priv(dev);
10267         int err;
10268
10269         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10270                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10271                         return -EAGAIN;
10272                 return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
10273         }
10274
10275         switch(cmd) {
10276         case SIOCGMIIPHY:
10277                 data->phy_id = PHY_ADDR;
10278
10279                 /* fallthru */
10280         case SIOCGMIIREG: {
10281                 u32 mii_regval;
10282
10283                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10284                         break;                  /* We have no PHY */
10285
10286                 if (tp->link_config.phy_is_low_power)
10287                         return -EAGAIN;
10288
10289                 spin_lock_bh(&tp->lock);
10290                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
10291                 spin_unlock_bh(&tp->lock);
10292
10293                 data->val_out = mii_regval;
10294
10295                 return err;
10296         }
10297
10298         case SIOCSMIIREG:
10299                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10300                         break;                  /* We have no PHY */
10301
10302                 if (!capable(CAP_NET_ADMIN))
10303                         return -EPERM;
10304
10305                 if (tp->link_config.phy_is_low_power)
10306                         return -EAGAIN;
10307
10308                 spin_lock_bh(&tp->lock);
10309                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10310                 spin_unlock_bh(&tp->lock);
10311
10312                 return err;
10313
10314         default:
10315                 /* do nothing */
10316                 break;
10317         }
10318         return -EOPNOTSUPP;
10319 }
10320
10321 #if TG3_VLAN_TAG_USED
10322 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10323 {
10324         struct tg3 *tp = netdev_priv(dev);
10325
10326         if (!netif_running(dev)) {
10327                 tp->vlgrp = grp;
10328                 return;
10329         }
10330
10331         tg3_netif_stop(tp);
10332
10333         tg3_full_lock(tp, 0);
10334
10335         tp->vlgrp = grp;
10336
10337         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10338         __tg3_set_rx_mode(dev);
10339
10340         tg3_netif_start(tp);
10341
10342         tg3_full_unlock(tp);
10343 }
10344 #endif
10345
10346 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10347 {
10348         struct tg3 *tp = netdev_priv(dev);
10349
10350         memcpy(ec, &tp->coal, sizeof(*ec));
10351         return 0;
10352 }
10353
10354 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10355 {
10356         struct tg3 *tp = netdev_priv(dev);
10357         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10358         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10359
10360         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10361                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10362                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10363                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10364                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10365         }
10366
10367         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10368             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10369             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10370             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10371             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10372             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10373             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10374             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10375             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10376             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10377                 return -EINVAL;
10378
10379         /* No rx interrupts will be generated if both are zero */
10380         if ((ec->rx_coalesce_usecs == 0) &&
10381             (ec->rx_max_coalesced_frames == 0))
10382                 return -EINVAL;
10383
10384         /* No tx interrupts will be generated if both are zero */
10385         if ((ec->tx_coalesce_usecs == 0) &&
10386             (ec->tx_max_coalesced_frames == 0))
10387                 return -EINVAL;
10388
10389         /* Only copy relevant parameters, ignore all others. */
10390         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10391         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10392         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10393         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10394         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10395         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10396         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10397         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10398         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10399
10400         if (netif_running(dev)) {
10401                 tg3_full_lock(tp, 0);
10402                 __tg3_set_coalesce(tp, &tp->coal);
10403                 tg3_full_unlock(tp);
10404         }
10405         return 0;
10406 }
10407
10408 static const struct ethtool_ops tg3_ethtool_ops = {
10409         .get_settings           = tg3_get_settings,
10410         .set_settings           = tg3_set_settings,
10411         .get_drvinfo            = tg3_get_drvinfo,
10412         .get_regs_len           = tg3_get_regs_len,
10413         .get_regs               = tg3_get_regs,
10414         .get_wol                = tg3_get_wol,
10415         .set_wol                = tg3_set_wol,
10416         .get_msglevel           = tg3_get_msglevel,
10417         .set_msglevel           = tg3_set_msglevel,
10418         .nway_reset             = tg3_nway_reset,
10419         .get_link               = ethtool_op_get_link,
10420         .get_eeprom_len         = tg3_get_eeprom_len,
10421         .get_eeprom             = tg3_get_eeprom,
10422         .set_eeprom             = tg3_set_eeprom,
10423         .get_ringparam          = tg3_get_ringparam,
10424         .set_ringparam          = tg3_set_ringparam,
10425         .get_pauseparam         = tg3_get_pauseparam,
10426         .set_pauseparam         = tg3_set_pauseparam,
10427         .get_rx_csum            = tg3_get_rx_csum,
10428         .set_rx_csum            = tg3_set_rx_csum,
10429         .set_tx_csum            = tg3_set_tx_csum,
10430         .set_sg                 = ethtool_op_set_sg,
10431         .set_tso                = tg3_set_tso,
10432         .self_test              = tg3_self_test,
10433         .get_strings            = tg3_get_strings,
10434         .phys_id                = tg3_phys_id,
10435         .get_ethtool_stats      = tg3_get_ethtool_stats,
10436         .get_coalesce           = tg3_get_coalesce,
10437         .set_coalesce           = tg3_set_coalesce,
10438         .get_sset_count         = tg3_get_sset_count,
10439 };
10440
10441 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10442 {
10443         u32 cursize, val, magic;
10444
10445         tp->nvram_size = EEPROM_CHIP_SIZE;
10446
10447         if (tg3_nvram_read(tp, 0, &magic) != 0)
10448                 return;
10449
10450         if ((magic != TG3_EEPROM_MAGIC) &&
10451             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10452             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
10453                 return;
10454
10455         /*
10456          * Size the chip by reading offsets at increasing powers of two.
10457          * When we encounter our validation signature, we know the addressing
10458          * has wrapped around, and thus have our chip size.
10459          */
10460         cursize = 0x10;
10461
10462         while (cursize < tp->nvram_size) {
10463                 if (tg3_nvram_read(tp, cursize, &val) != 0)
10464                         return;
10465
10466                 if (val == magic)
10467                         break;
10468
10469                 cursize <<= 1;
10470         }
10471
10472         tp->nvram_size = cursize;
10473 }
10474
10475 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10476 {
10477         u32 val;
10478
10479         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
10480             tg3_nvram_read(tp, 0, &val) != 0)
10481                 return;
10482
10483         /* Selfboot format */
10484         if (val != TG3_EEPROM_MAGIC) {
10485                 tg3_get_eeprom_size(tp);
10486                 return;
10487         }
10488
10489         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
10490                 if (val != 0) {
10491                         /* This is confusing.  We want to operate on the
10492                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
10493                          * call will read from NVRAM and byteswap the data
10494                          * according to the byteswapping settings for all
10495                          * other register accesses.  This ensures the data we
10496                          * want will always reside in the lower 16-bits.
10497                          * However, the data in NVRAM is in LE format, which
10498                          * means the data from the NVRAM read will always be
10499                          * opposite the endianness of the CPU.  The 16-bit
10500                          * byteswap then brings the data to CPU endianness.
10501                          */
10502                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
10503                         return;
10504                 }
10505         }
10506         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10507 }
10508
10509 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10510 {
10511         u32 nvcfg1;
10512
10513         nvcfg1 = tr32(NVRAM_CFG1);
10514         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10515                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10516         } else {
10517                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10518                 tw32(NVRAM_CFG1, nvcfg1);
10519         }
10520
10521         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
10522             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10523                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
10524                 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10525                         tp->nvram_jedecnum = JEDEC_ATMEL;
10526                         tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10527                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10528                         break;
10529                 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10530                         tp->nvram_jedecnum = JEDEC_ATMEL;
10531                         tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10532                         break;
10533                 case FLASH_VENDOR_ATMEL_EEPROM:
10534                         tp->nvram_jedecnum = JEDEC_ATMEL;
10535                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10536                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10537                         break;
10538                 case FLASH_VENDOR_ST:
10539                         tp->nvram_jedecnum = JEDEC_ST;
10540                         tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10541                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10542                         break;
10543                 case FLASH_VENDOR_SAIFUN:
10544                         tp->nvram_jedecnum = JEDEC_SAIFUN;
10545                         tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10546                         break;
10547                 case FLASH_VENDOR_SST_SMALL:
10548                 case FLASH_VENDOR_SST_LARGE:
10549                         tp->nvram_jedecnum = JEDEC_SST;
10550                         tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10551                         break;
10552                 }
10553         } else {
10554                 tp->nvram_jedecnum = JEDEC_ATMEL;
10555                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10556                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10557         }
10558 }
10559
10560 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
10561 {
10562         u32 nvcfg1;
10563
10564         nvcfg1 = tr32(NVRAM_CFG1);
10565
10566         /* NVRAM protection for TPM */
10567         if (nvcfg1 & (1 << 27))
10568                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10569
10570         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10571         case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
10572         case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
10573                 tp->nvram_jedecnum = JEDEC_ATMEL;
10574                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10575                 break;
10576         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10577                 tp->nvram_jedecnum = JEDEC_ATMEL;
10578                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10579                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10580                 break;
10581         case FLASH_5752VENDOR_ST_M45PE10:
10582         case FLASH_5752VENDOR_ST_M45PE20:
10583         case FLASH_5752VENDOR_ST_M45PE40:
10584                 tp->nvram_jedecnum = JEDEC_ST;
10585                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10586                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10587                 break;
10588         }
10589
10590         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
10591                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10592                 case FLASH_5752PAGE_SIZE_256:
10593                         tp->nvram_pagesize = 256;
10594                         break;
10595                 case FLASH_5752PAGE_SIZE_512:
10596                         tp->nvram_pagesize = 512;
10597                         break;
10598                 case FLASH_5752PAGE_SIZE_1K:
10599                         tp->nvram_pagesize = 1024;
10600                         break;
10601                 case FLASH_5752PAGE_SIZE_2K:
10602                         tp->nvram_pagesize = 2048;
10603                         break;
10604                 case FLASH_5752PAGE_SIZE_4K:
10605                         tp->nvram_pagesize = 4096;
10606                         break;
10607                 case FLASH_5752PAGE_SIZE_264:
10608                         tp->nvram_pagesize = 264;
10609                         break;
10610                 }
10611         } else {
10612                 /* For eeprom, set pagesize to maximum eeprom size */
10613                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10614
10615                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10616                 tw32(NVRAM_CFG1, nvcfg1);
10617         }
10618 }
10619
10620 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
10621 {
10622         u32 nvcfg1, protect = 0;
10623
10624         nvcfg1 = tr32(NVRAM_CFG1);
10625
10626         /* NVRAM protection for TPM */
10627         if (nvcfg1 & (1 << 27)) {
10628                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10629                 protect = 1;
10630         }
10631
10632         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10633         switch (nvcfg1) {
10634         case FLASH_5755VENDOR_ATMEL_FLASH_1:
10635         case FLASH_5755VENDOR_ATMEL_FLASH_2:
10636         case FLASH_5755VENDOR_ATMEL_FLASH_3:
10637         case FLASH_5755VENDOR_ATMEL_FLASH_5:
10638                 tp->nvram_jedecnum = JEDEC_ATMEL;
10639                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10640                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10641                 tp->nvram_pagesize = 264;
10642                 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
10643                     nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
10644                         tp->nvram_size = (protect ? 0x3e200 :
10645                                           TG3_NVRAM_SIZE_512KB);
10646                 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
10647                         tp->nvram_size = (protect ? 0x1f200 :
10648                                           TG3_NVRAM_SIZE_256KB);
10649                 else
10650                         tp->nvram_size = (protect ? 0x1f200 :
10651                                           TG3_NVRAM_SIZE_128KB);
10652                 break;
10653         case FLASH_5752VENDOR_ST_M45PE10:
10654         case FLASH_5752VENDOR_ST_M45PE20:
10655         case FLASH_5752VENDOR_ST_M45PE40:
10656                 tp->nvram_jedecnum = JEDEC_ST;
10657                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10658                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10659                 tp->nvram_pagesize = 256;
10660                 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
10661                         tp->nvram_size = (protect ?
10662                                           TG3_NVRAM_SIZE_64KB :
10663                                           TG3_NVRAM_SIZE_128KB);
10664                 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
10665                         tp->nvram_size = (protect ?
10666                                           TG3_NVRAM_SIZE_64KB :
10667                                           TG3_NVRAM_SIZE_256KB);
10668                 else
10669                         tp->nvram_size = (protect ?
10670                                           TG3_NVRAM_SIZE_128KB :
10671                                           TG3_NVRAM_SIZE_512KB);
10672                 break;
10673         }
10674 }
10675
10676 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
10677 {
10678         u32 nvcfg1;
10679
10680         nvcfg1 = tr32(NVRAM_CFG1);
10681
10682         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10683         case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
10684         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10685         case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
10686         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10687                 tp->nvram_jedecnum = JEDEC_ATMEL;
10688                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10689                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10690
10691                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10692                 tw32(NVRAM_CFG1, nvcfg1);
10693                 break;
10694         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10695         case FLASH_5755VENDOR_ATMEL_FLASH_1:
10696         case FLASH_5755VENDOR_ATMEL_FLASH_2:
10697         case FLASH_5755VENDOR_ATMEL_FLASH_3:
10698                 tp->nvram_jedecnum = JEDEC_ATMEL;
10699                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10700                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10701                 tp->nvram_pagesize = 264;
10702                 break;
10703         case FLASH_5752VENDOR_ST_M45PE10:
10704         case FLASH_5752VENDOR_ST_M45PE20:
10705         case FLASH_5752VENDOR_ST_M45PE40:
10706                 tp->nvram_jedecnum = JEDEC_ST;
10707                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10708                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10709                 tp->nvram_pagesize = 256;
10710                 break;
10711         }
10712 }
10713
10714 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
10715 {
10716         u32 nvcfg1, protect = 0;
10717
10718         nvcfg1 = tr32(NVRAM_CFG1);
10719
10720         /* NVRAM protection for TPM */
10721         if (nvcfg1 & (1 << 27)) {
10722                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10723                 protect = 1;
10724         }
10725
10726         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10727         switch (nvcfg1) {
10728         case FLASH_5761VENDOR_ATMEL_ADB021D:
10729         case FLASH_5761VENDOR_ATMEL_ADB041D:
10730         case FLASH_5761VENDOR_ATMEL_ADB081D:
10731         case FLASH_5761VENDOR_ATMEL_ADB161D:
10732         case FLASH_5761VENDOR_ATMEL_MDB021D:
10733         case FLASH_5761VENDOR_ATMEL_MDB041D:
10734         case FLASH_5761VENDOR_ATMEL_MDB081D:
10735         case FLASH_5761VENDOR_ATMEL_MDB161D:
10736                 tp->nvram_jedecnum = JEDEC_ATMEL;
10737                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10738                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10739                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10740                 tp->nvram_pagesize = 256;
10741                 break;
10742         case FLASH_5761VENDOR_ST_A_M45PE20:
10743         case FLASH_5761VENDOR_ST_A_M45PE40:
10744         case FLASH_5761VENDOR_ST_A_M45PE80:
10745         case FLASH_5761VENDOR_ST_A_M45PE16:
10746         case FLASH_5761VENDOR_ST_M_M45PE20:
10747         case FLASH_5761VENDOR_ST_M_M45PE40:
10748         case FLASH_5761VENDOR_ST_M_M45PE80:
10749         case FLASH_5761VENDOR_ST_M_M45PE16:
10750                 tp->nvram_jedecnum = JEDEC_ST;
10751                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10752                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10753                 tp->nvram_pagesize = 256;
10754                 break;
10755         }
10756
10757         if (protect) {
10758                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
10759         } else {
10760                 switch (nvcfg1) {
10761                 case FLASH_5761VENDOR_ATMEL_ADB161D:
10762                 case FLASH_5761VENDOR_ATMEL_MDB161D:
10763                 case FLASH_5761VENDOR_ST_A_M45PE16:
10764                 case FLASH_5761VENDOR_ST_M_M45PE16:
10765                         tp->nvram_size = TG3_NVRAM_SIZE_2MB;
10766                         break;
10767                 case FLASH_5761VENDOR_ATMEL_ADB081D:
10768                 case FLASH_5761VENDOR_ATMEL_MDB081D:
10769                 case FLASH_5761VENDOR_ST_A_M45PE80:
10770                 case FLASH_5761VENDOR_ST_M_M45PE80:
10771                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
10772                         break;
10773                 case FLASH_5761VENDOR_ATMEL_ADB041D:
10774                 case FLASH_5761VENDOR_ATMEL_MDB041D:
10775                 case FLASH_5761VENDOR_ST_A_M45PE40:
10776                 case FLASH_5761VENDOR_ST_M_M45PE40:
10777                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10778                         break;
10779                 case FLASH_5761VENDOR_ATMEL_ADB021D:
10780                 case FLASH_5761VENDOR_ATMEL_MDB021D:
10781                 case FLASH_5761VENDOR_ST_A_M45PE20:
10782                 case FLASH_5761VENDOR_ST_M_M45PE20:
10783                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10784                         break;
10785                 }
10786         }
10787 }
10788
10789 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
10790 {
10791         tp->nvram_jedecnum = JEDEC_ATMEL;
10792         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10793         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10794 }
10795
10796 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
10797 {
10798         u32 nvcfg1;
10799
10800         nvcfg1 = tr32(NVRAM_CFG1);
10801
10802         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10803         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10804         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10805                 tp->nvram_jedecnum = JEDEC_ATMEL;
10806                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10807                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10808
10809                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10810                 tw32(NVRAM_CFG1, nvcfg1);
10811                 return;
10812         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10813         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10814         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10815         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10816         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10817         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10818         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10819                 tp->nvram_jedecnum = JEDEC_ATMEL;
10820                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10821                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10822
10823                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10824                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10825                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10826                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10827                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10828                         break;
10829                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10830                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10831                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10832                         break;
10833                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10834                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10835                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10836                         break;
10837                 }
10838                 break;
10839         case FLASH_5752VENDOR_ST_M45PE10:
10840         case FLASH_5752VENDOR_ST_M45PE20:
10841         case FLASH_5752VENDOR_ST_M45PE40:
10842                 tp->nvram_jedecnum = JEDEC_ST;
10843                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10844                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10845
10846                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10847                 case FLASH_5752VENDOR_ST_M45PE10:
10848                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10849                         break;
10850                 case FLASH_5752VENDOR_ST_M45PE20:
10851                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10852                         break;
10853                 case FLASH_5752VENDOR_ST_M45PE40:
10854                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10855                         break;
10856                 }
10857                 break;
10858         default:
10859                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
10860                 return;
10861         }
10862
10863         switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10864         case FLASH_5752PAGE_SIZE_256:
10865                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10866                 tp->nvram_pagesize = 256;
10867                 break;
10868         case FLASH_5752PAGE_SIZE_512:
10869                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10870                 tp->nvram_pagesize = 512;
10871                 break;
10872         case FLASH_5752PAGE_SIZE_1K:
10873                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10874                 tp->nvram_pagesize = 1024;
10875                 break;
10876         case FLASH_5752PAGE_SIZE_2K:
10877                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10878                 tp->nvram_pagesize = 2048;
10879                 break;
10880         case FLASH_5752PAGE_SIZE_4K:
10881                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10882                 tp->nvram_pagesize = 4096;
10883                 break;
10884         case FLASH_5752PAGE_SIZE_264:
10885                 tp->nvram_pagesize = 264;
10886                 break;
10887         case FLASH_5752PAGE_SIZE_528:
10888                 tp->nvram_pagesize = 528;
10889                 break;
10890         }
10891 }
10892
10893 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
10894 static void __devinit tg3_nvram_init(struct tg3 *tp)
10895 {
10896         tw32_f(GRC_EEPROM_ADDR,
10897              (EEPROM_ADDR_FSM_RESET |
10898               (EEPROM_DEFAULT_CLOCK_PERIOD <<
10899                EEPROM_ADDR_CLKPERD_SHIFT)));
10900
10901         msleep(1);
10902
10903         /* Enable seeprom accesses. */
10904         tw32_f(GRC_LOCAL_CTRL,
10905              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
10906         udelay(100);
10907
10908         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
10909             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
10910                 tp->tg3_flags |= TG3_FLAG_NVRAM;
10911
10912                 if (tg3_nvram_lock(tp)) {
10913                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
10914                                "tg3_nvram_init failed.\n", tp->dev->name);
10915                         return;
10916                 }
10917                 tg3_enable_nvram_access(tp);
10918
10919                 tp->nvram_size = 0;
10920
10921                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10922                         tg3_get_5752_nvram_info(tp);
10923                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10924                         tg3_get_5755_nvram_info(tp);
10925                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10926                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
10927                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10928                         tg3_get_5787_nvram_info(tp);
10929                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
10930                         tg3_get_5761_nvram_info(tp);
10931                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10932                         tg3_get_5906_nvram_info(tp);
10933                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
10934                         tg3_get_57780_nvram_info(tp);
10935                 else
10936                         tg3_get_nvram_info(tp);
10937
10938                 if (tp->nvram_size == 0)
10939                         tg3_get_nvram_size(tp);
10940
10941                 tg3_disable_nvram_access(tp);
10942                 tg3_nvram_unlock(tp);
10943
10944         } else {
10945                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
10946
10947                 tg3_get_eeprom_size(tp);
10948         }
10949 }
10950
10951 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10952                                     u32 offset, u32 len, u8 *buf)
10953 {
10954         int i, j, rc = 0;
10955         u32 val;
10956
10957         for (i = 0; i < len; i += 4) {
10958                 u32 addr;
10959                 __be32 data;
10960
10961                 addr = offset + i;
10962
10963                 memcpy(&data, buf + i, 4);
10964
10965                 /*
10966                  * The SEEPROM interface expects the data to always be opposite
10967                  * the native endian format.  We accomplish this by reversing
10968                  * all the operations that would have been performed on the
10969                  * data from a call to tg3_nvram_read_be32().
10970                  */
10971                 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
10972
10973                 val = tr32(GRC_EEPROM_ADDR);
10974                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10975
10976                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10977                         EEPROM_ADDR_READ);
10978                 tw32(GRC_EEPROM_ADDR, val |
10979                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
10980                         (addr & EEPROM_ADDR_ADDR_MASK) |
10981                         EEPROM_ADDR_START |
10982                         EEPROM_ADDR_WRITE);
10983
10984                 for (j = 0; j < 1000; j++) {
10985                         val = tr32(GRC_EEPROM_ADDR);
10986
10987                         if (val & EEPROM_ADDR_COMPLETE)
10988                                 break;
10989                         msleep(1);
10990                 }
10991                 if (!(val & EEPROM_ADDR_COMPLETE)) {
10992                         rc = -EBUSY;
10993                         break;
10994                 }
10995         }
10996
10997         return rc;
10998 }
10999
11000 /* offset and length are dword aligned */
11001 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11002                 u8 *buf)
11003 {
11004         int ret = 0;
11005         u32 pagesize = tp->nvram_pagesize;
11006         u32 pagemask = pagesize - 1;
11007         u32 nvram_cmd;
11008         u8 *tmp;
11009
11010         tmp = kmalloc(pagesize, GFP_KERNEL);
11011         if (tmp == NULL)
11012                 return -ENOMEM;
11013
11014         while (len) {
11015                 int j;
11016                 u32 phy_addr, page_off, size;
11017
11018                 phy_addr = offset & ~pagemask;
11019
11020                 for (j = 0; j < pagesize; j += 4) {
11021                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
11022                                                   (__be32 *) (tmp + j));
11023                         if (ret)
11024                                 break;
11025                 }
11026                 if (ret)
11027                         break;
11028
11029                 page_off = offset & pagemask;
11030                 size = pagesize;
11031                 if (len < size)
11032                         size = len;
11033
11034                 len -= size;
11035
11036                 memcpy(tmp + page_off, buf, size);
11037
11038                 offset = offset + (pagesize - page_off);
11039
11040                 tg3_enable_nvram_access(tp);
11041
11042                 /*
11043                  * Before we can erase the flash page, we need
11044                  * to issue a special "write enable" command.
11045                  */
11046                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11047
11048                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11049                         break;
11050
11051                 /* Erase the target page */
11052                 tw32(NVRAM_ADDR, phy_addr);
11053
11054                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11055                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11056
11057                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11058                         break;
11059
11060                 /* Issue another write enable to start the write. */
11061                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11062
11063                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11064                         break;
11065
11066                 for (j = 0; j < pagesize; j += 4) {
11067                         __be32 data;
11068
11069                         data = *((__be32 *) (tmp + j));
11070
11071                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
11072
11073                         tw32(NVRAM_ADDR, phy_addr + j);
11074
11075                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11076                                 NVRAM_CMD_WR;
11077
11078                         if (j == 0)
11079                                 nvram_cmd |= NVRAM_CMD_FIRST;
11080                         else if (j == (pagesize - 4))
11081                                 nvram_cmd |= NVRAM_CMD_LAST;
11082
11083                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11084                                 break;
11085                 }
11086                 if (ret)
11087                         break;
11088         }
11089
11090         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11091         tg3_nvram_exec_cmd(tp, nvram_cmd);
11092
11093         kfree(tmp);
11094
11095         return ret;
11096 }
11097
11098 /* offset and length are dword aligned */
11099 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11100                 u8 *buf)
11101 {
11102         int i, ret = 0;
11103
11104         for (i = 0; i < len; i += 4, offset += 4) {
11105                 u32 page_off, phy_addr, nvram_cmd;
11106                 __be32 data;
11107
11108                 memcpy(&data, buf + i, 4);
11109                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11110
11111                 page_off = offset % tp->nvram_pagesize;
11112
11113                 phy_addr = tg3_nvram_phys_addr(tp, offset);
11114
11115                 tw32(NVRAM_ADDR, phy_addr);
11116
11117                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11118
11119                 if ((page_off == 0) || (i == 0))
11120                         nvram_cmd |= NVRAM_CMD_FIRST;
11121                 if (page_off == (tp->nvram_pagesize - 4))
11122                         nvram_cmd |= NVRAM_CMD_LAST;
11123
11124                 if (i == (len - 4))
11125                         nvram_cmd |= NVRAM_CMD_LAST;
11126
11127                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11128                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
11129                     (tp->nvram_jedecnum == JEDEC_ST) &&
11130                     (nvram_cmd & NVRAM_CMD_FIRST)) {
11131
11132                         if ((ret = tg3_nvram_exec_cmd(tp,
11133                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11134                                 NVRAM_CMD_DONE)))
11135
11136                                 break;
11137                 }
11138                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11139                         /* We always do complete word writes to eeprom. */
11140                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11141                 }
11142
11143                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11144                         break;
11145         }
11146         return ret;
11147 }
11148
11149 /* offset and length are dword aligned */
11150 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11151 {
11152         int ret;
11153
11154         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11155                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11156                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
11157                 udelay(40);
11158         }
11159
11160         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11161                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11162         }
11163         else {
11164                 u32 grc_mode;
11165
11166                 ret = tg3_nvram_lock(tp);
11167                 if (ret)
11168                         return ret;
11169
11170                 tg3_enable_nvram_access(tp);
11171                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
11172                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
11173                         tw32(NVRAM_WRITE1, 0x406);
11174
11175                 grc_mode = tr32(GRC_MODE);
11176                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11177
11178                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11179                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11180
11181                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
11182                                 buf);
11183                 }
11184                 else {
11185                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11186                                 buf);
11187                 }
11188
11189                 grc_mode = tr32(GRC_MODE);
11190                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11191
11192                 tg3_disable_nvram_access(tp);
11193                 tg3_nvram_unlock(tp);
11194         }
11195
11196         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11197                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
11198                 udelay(40);
11199         }
11200
11201         return ret;
11202 }
11203
11204 struct subsys_tbl_ent {
11205         u16 subsys_vendor, subsys_devid;
11206         u32 phy_id;
11207 };
11208
11209 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
11210         /* Broadcom boards. */
11211         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
11212         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
11213         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
11214         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
11215         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
11216         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
11217         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
11218         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
11219         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
11220         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
11221         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
11222
11223         /* 3com boards. */
11224         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
11225         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
11226         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
11227         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
11228         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
11229
11230         /* DELL boards. */
11231         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
11232         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
11233         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
11234         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
11235
11236         /* Compaq boards. */
11237         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
11238         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
11239         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
11240         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
11241         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
11242
11243         /* IBM boards. */
11244         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
11245 };
11246
11247 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
11248 {
11249         int i;
11250
11251         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
11252                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
11253                      tp->pdev->subsystem_vendor) &&
11254                     (subsys_id_to_phy_id[i].subsys_devid ==
11255                      tp->pdev->subsystem_device))
11256                         return &subsys_id_to_phy_id[i];
11257         }
11258         return NULL;
11259 }
11260
11261 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
11262 {
11263         u32 val;
11264         u16 pmcsr;
11265
11266         /* On some early chips the SRAM cannot be accessed in D3hot state,
11267          * so need make sure we're in D0.
11268          */
11269         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
11270         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
11271         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
11272         msleep(1);
11273
11274         /* Make sure register accesses (indirect or otherwise)
11275          * will function correctly.
11276          */
11277         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11278                                tp->misc_host_ctrl);
11279
11280         /* The memory arbiter has to be enabled in order for SRAM accesses
11281          * to succeed.  Normally on powerup the tg3 chip firmware will make
11282          * sure it is enabled, but other entities such as system netboot
11283          * code might disable it.
11284          */
11285         val = tr32(MEMARB_MODE);
11286         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
11287
11288         tp->phy_id = PHY_ID_INVALID;
11289         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11290
11291         /* Assume an onboard device and WOL capable by default.  */
11292         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
11293
11294         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11295                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
11296                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11297                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11298                 }
11299                 val = tr32(VCPU_CFGSHDW);
11300                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
11301                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11302                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
11303                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
11304                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11305                 goto done;
11306         }
11307
11308         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11309         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11310                 u32 nic_cfg, led_cfg;
11311                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
11312                 int eeprom_phy_serdes = 0;
11313
11314                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11315                 tp->nic_sram_data_cfg = nic_cfg;
11316
11317                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11318                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11319                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11320                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11321                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11322                     (ver > 0) && (ver < 0x100))
11323                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11324
11325                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11326                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11327
11328                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11329                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11330                         eeprom_phy_serdes = 1;
11331
11332                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11333                 if (nic_phy_id != 0) {
11334                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11335                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11336
11337                         eeprom_phy_id  = (id1 >> 16) << 10;
11338                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
11339                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
11340                 } else
11341                         eeprom_phy_id = 0;
11342
11343                 tp->phy_id = eeprom_phy_id;
11344                 if (eeprom_phy_serdes) {
11345                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
11346                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11347                         else
11348                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11349                 }
11350
11351                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11352                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11353                                     SHASTA_EXT_LED_MODE_MASK);
11354                 else
11355                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11356
11357                 switch (led_cfg) {
11358                 default:
11359                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11360                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11361                         break;
11362
11363                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11364                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11365                         break;
11366
11367                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11368                         tp->led_ctrl = LED_CTRL_MODE_MAC;
11369
11370                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11371                          * read on some older 5700/5701 bootcode.
11372                          */
11373                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11374                             ASIC_REV_5700 ||
11375                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
11376                             ASIC_REV_5701)
11377                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11378
11379                         break;
11380
11381                 case SHASTA_EXT_LED_SHARED:
11382                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
11383                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11384                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11385                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11386                                                  LED_CTRL_MODE_PHY_2);
11387                         break;
11388
11389                 case SHASTA_EXT_LED_MAC:
11390                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11391                         break;
11392
11393                 case SHASTA_EXT_LED_COMBO:
11394                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
11395                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11396                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11397                                                  LED_CTRL_MODE_PHY_2);
11398                         break;
11399
11400                 }
11401
11402                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11403                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11404                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11405                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11406
11407                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11408                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11409
11410                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
11411                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
11412                         if ((tp->pdev->subsystem_vendor ==
11413                              PCI_VENDOR_ID_ARIMA) &&
11414                             (tp->pdev->subsystem_device == 0x205a ||
11415                              tp->pdev->subsystem_device == 0x2063))
11416                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11417                 } else {
11418                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11419                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11420                 }
11421
11422                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11423                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
11424                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11425                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11426                 }
11427
11428                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11429                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11430                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
11431
11432                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11433                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11434                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
11435
11436                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
11437                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
11438                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11439
11440                 if (cfg2 & (1 << 17))
11441                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11442
11443                 /* serdes signal pre-emphasis in register 0x590 set by */
11444                 /* bootcode if bit 18 is set */
11445                 if (cfg2 & (1 << 18))
11446                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
11447
11448                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11449                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
11450                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11451                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11452
11453                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11454                         u32 cfg3;
11455
11456                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11457                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11458                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11459                 }
11460
11461                 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11462                         tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11463                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11464                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11465                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11466                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
11467         }
11468 done:
11469         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11470         device_set_wakeup_enable(&tp->pdev->dev,
11471                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
11472 }
11473
11474 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11475 {
11476         int i;
11477         u32 val;
11478
11479         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11480         tw32(OTP_CTRL, cmd);
11481
11482         /* Wait for up to 1 ms for command to execute. */
11483         for (i = 0; i < 100; i++) {
11484                 val = tr32(OTP_STATUS);
11485                 if (val & OTP_STATUS_CMD_DONE)
11486                         break;
11487                 udelay(10);
11488         }
11489
11490         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11491 }
11492
11493 /* Read the gphy configuration from the OTP region of the chip.  The gphy
11494  * configuration is a 32-bit value that straddles the alignment boundary.
11495  * We do two 32-bit reads and then shift and merge the results.
11496  */
11497 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11498 {
11499         u32 bhalf_otp, thalf_otp;
11500
11501         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
11502
11503         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
11504                 return 0;
11505
11506         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
11507
11508         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11509                 return 0;
11510
11511         thalf_otp = tr32(OTP_READ_DATA);
11512
11513         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
11514
11515         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11516                 return 0;
11517
11518         bhalf_otp = tr32(OTP_READ_DATA);
11519
11520         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
11521 }
11522
11523 static int __devinit tg3_phy_probe(struct tg3 *tp)
11524 {
11525         u32 hw_phy_id_1, hw_phy_id_2;
11526         u32 hw_phy_id, hw_phy_id_masked;
11527         int err;
11528
11529         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
11530                 return tg3_phy_init(tp);
11531
11532         /* Reading the PHY ID register can conflict with ASF
11533          * firmware access to the PHY hardware.
11534          */
11535         err = 0;
11536         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11537             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
11538                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
11539         } else {
11540                 /* Now read the physical PHY_ID from the chip and verify
11541                  * that it is sane.  If it doesn't look good, we fall back
11542                  * to either the hard-coded table based PHY_ID and failing
11543                  * that the value found in the eeprom area.
11544                  */
11545                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
11546                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
11547
11548                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
11549                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
11550                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
11551
11552                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
11553         }
11554
11555         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
11556                 tp->phy_id = hw_phy_id;
11557                 if (hw_phy_id_masked == PHY_ID_BCM8002)
11558                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11559                 else
11560                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
11561         } else {
11562                 if (tp->phy_id != PHY_ID_INVALID) {
11563                         /* Do nothing, phy ID already set up in
11564                          * tg3_get_eeprom_hw_cfg().
11565                          */
11566                 } else {
11567                         struct subsys_tbl_ent *p;
11568
11569                         /* No eeprom signature?  Try the hardcoded
11570                          * subsys device table.
11571                          */
11572                         p = lookup_by_subsys(tp);
11573                         if (!p)
11574                                 return -ENODEV;
11575
11576                         tp->phy_id = p->phy_id;
11577                         if (!tp->phy_id ||
11578                             tp->phy_id == PHY_ID_BCM8002)
11579                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11580                 }
11581         }
11582
11583         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
11584             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
11585             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
11586                 u32 bmsr, adv_reg, tg3_ctrl, mask;
11587
11588                 tg3_readphy(tp, MII_BMSR, &bmsr);
11589                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
11590                     (bmsr & BMSR_LSTATUS))
11591                         goto skip_phy_reset;
11592
11593                 err = tg3_phy_reset(tp);
11594                 if (err)
11595                         return err;
11596
11597                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
11598                            ADVERTISE_100HALF | ADVERTISE_100FULL |
11599                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
11600                 tg3_ctrl = 0;
11601                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
11602                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
11603                                     MII_TG3_CTRL_ADV_1000_FULL);
11604                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11605                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
11606                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
11607                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
11608                 }
11609
11610                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11611                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11612                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
11613                 if (!tg3_copper_is_advertising_all(tp, mask)) {
11614                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11615
11616                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11617                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11618
11619                         tg3_writephy(tp, MII_BMCR,
11620                                      BMCR_ANENABLE | BMCR_ANRESTART);
11621                 }
11622                 tg3_phy_set_wirespeed(tp);
11623
11624                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11625                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11626                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11627         }
11628
11629 skip_phy_reset:
11630         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
11631                 err = tg3_init_5401phy_dsp(tp);
11632                 if (err)
11633                         return err;
11634         }
11635
11636         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
11637                 err = tg3_init_5401phy_dsp(tp);
11638         }
11639
11640         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
11641                 tp->link_config.advertising =
11642                         (ADVERTISED_1000baseT_Half |
11643                          ADVERTISED_1000baseT_Full |
11644                          ADVERTISED_Autoneg |
11645                          ADVERTISED_FIBRE);
11646         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
11647                 tp->link_config.advertising &=
11648                         ~(ADVERTISED_1000baseT_Half |
11649                           ADVERTISED_1000baseT_Full);
11650
11651         return err;
11652 }
11653
11654 static void __devinit tg3_read_partno(struct tg3 *tp)
11655 {
11656         unsigned char vpd_data[256];   /* in little-endian format */
11657         unsigned int i;
11658         u32 magic;
11659
11660         if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11661             tg3_nvram_read(tp, 0x0, &magic))
11662                 goto out_not_found;
11663
11664         if (magic == TG3_EEPROM_MAGIC) {
11665                 for (i = 0; i < 256; i += 4) {
11666                         u32 tmp;
11667
11668                         /* The data is in little-endian format in NVRAM.
11669                          * Use the big-endian read routines to preserve
11670                          * the byte order as it exists in NVRAM.
11671                          */
11672                         if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
11673                                 goto out_not_found;
11674
11675                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
11676                 }
11677         } else {
11678                 int vpd_cap;
11679
11680                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
11681                 for (i = 0; i < 256; i += 4) {
11682                         u32 tmp, j = 0;
11683                         __le32 v;
11684                         u16 tmp16;
11685
11686                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
11687                                               i);
11688                         while (j++ < 100) {
11689                                 pci_read_config_word(tp->pdev, vpd_cap +
11690                                                      PCI_VPD_ADDR, &tmp16);
11691                                 if (tmp16 & 0x8000)
11692                                         break;
11693                                 msleep(1);
11694                         }
11695                         if (!(tmp16 & 0x8000))
11696                                 goto out_not_found;
11697
11698                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
11699                                               &tmp);
11700                         v = cpu_to_le32(tmp);
11701                         memcpy(&vpd_data[i], &v, sizeof(v));
11702                 }
11703         }
11704
11705         /* Now parse and find the part number. */
11706         for (i = 0; i < 254; ) {
11707                 unsigned char val = vpd_data[i];
11708                 unsigned int block_end;
11709
11710                 if (val == 0x82 || val == 0x91) {
11711                         i = (i + 3 +
11712                              (vpd_data[i + 1] +
11713                               (vpd_data[i + 2] << 8)));
11714                         continue;
11715                 }
11716
11717                 if (val != 0x90)
11718                         goto out_not_found;
11719
11720                 block_end = (i + 3 +
11721                              (vpd_data[i + 1] +
11722                               (vpd_data[i + 2] << 8)));
11723                 i += 3;
11724
11725                 if (block_end > 256)
11726                         goto out_not_found;
11727
11728                 while (i < (block_end - 2)) {
11729                         if (vpd_data[i + 0] == 'P' &&
11730                             vpd_data[i + 1] == 'N') {
11731                                 int partno_len = vpd_data[i + 2];
11732
11733                                 i += 3;
11734                                 if (partno_len > 24 || (partno_len + i) > 256)
11735                                         goto out_not_found;
11736
11737                                 memcpy(tp->board_part_number,
11738                                        &vpd_data[i], partno_len);
11739
11740                                 /* Success. */
11741                                 return;
11742                         }
11743                         i += 3 + vpd_data[i + 2];
11744                 }
11745
11746                 /* Part number not found. */
11747                 goto out_not_found;
11748         }
11749
11750 out_not_found:
11751         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11752                 strcpy(tp->board_part_number, "BCM95906");
11753         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11754                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
11755                 strcpy(tp->board_part_number, "BCM57780");
11756         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11757                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
11758                 strcpy(tp->board_part_number, "BCM57760");
11759         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11760                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
11761                 strcpy(tp->board_part_number, "BCM57790");
11762         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11763                  tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
11764                 strcpy(tp->board_part_number, "BCM57788");
11765         else
11766                 strcpy(tp->board_part_number, "none");
11767 }
11768
11769 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
11770 {
11771         u32 val;
11772
11773         if (tg3_nvram_read(tp, offset, &val) ||
11774             (val & 0xfc000000) != 0x0c000000 ||
11775             tg3_nvram_read(tp, offset + 4, &val) ||
11776             val != 0)
11777                 return 0;
11778
11779         return 1;
11780 }
11781
11782 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
11783 {
11784         u32 val, offset, start, ver_offset;
11785         int i;
11786         bool newver = false;
11787
11788         if (tg3_nvram_read(tp, 0xc, &offset) ||
11789             tg3_nvram_read(tp, 0x4, &start))
11790                 return;
11791
11792         offset = tg3_nvram_logical_addr(tp, offset);
11793
11794         if (tg3_nvram_read(tp, offset, &val))
11795                 return;
11796
11797         if ((val & 0xfc000000) == 0x0c000000) {
11798                 if (tg3_nvram_read(tp, offset + 4, &val))
11799                         return;
11800
11801                 if (val == 0)
11802                         newver = true;
11803         }
11804
11805         if (newver) {
11806                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
11807                         return;
11808
11809                 offset = offset + ver_offset - start;
11810                 for (i = 0; i < 16; i += 4) {
11811                         __be32 v;
11812                         if (tg3_nvram_read_be32(tp, offset + i, &v))
11813                                 return;
11814
11815                         memcpy(tp->fw_ver + i, &v, sizeof(v));
11816                 }
11817         } else {
11818                 u32 major, minor;
11819
11820                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
11821                         return;
11822
11823                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
11824                         TG3_NVM_BCVER_MAJSFT;
11825                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
11826                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
11827         }
11828 }
11829
11830 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
11831 {
11832         u32 val, major, minor;
11833
11834         /* Use native endian representation */
11835         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
11836                 return;
11837
11838         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
11839                 TG3_NVM_HWSB_CFG1_MAJSFT;
11840         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
11841                 TG3_NVM_HWSB_CFG1_MINSFT;
11842
11843         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
11844 }
11845
11846 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
11847 {
11848         u32 offset, major, minor, build;
11849
11850         tp->fw_ver[0] = 's';
11851         tp->fw_ver[1] = 'b';
11852         tp->fw_ver[2] = '\0';
11853
11854         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
11855                 return;
11856
11857         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
11858         case TG3_EEPROM_SB_REVISION_0:
11859                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
11860                 break;
11861         case TG3_EEPROM_SB_REVISION_2:
11862                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
11863                 break;
11864         case TG3_EEPROM_SB_REVISION_3:
11865                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
11866                 break;
11867         default:
11868                 return;
11869         }
11870
11871         if (tg3_nvram_read(tp, offset, &val))
11872                 return;
11873
11874         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
11875                 TG3_EEPROM_SB_EDH_BLD_SHFT;
11876         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
11877                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
11878         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
11879
11880         if (minor > 99 || build > 26)
11881                 return;
11882
11883         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
11884
11885         if (build > 0) {
11886                 tp->fw_ver[8] = 'a' + build - 1;
11887                 tp->fw_ver[9] = '\0';
11888         }
11889 }
11890
11891 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
11892 {
11893         u32 val, offset, start;
11894         int i, vlen;
11895
11896         for (offset = TG3_NVM_DIR_START;
11897              offset < TG3_NVM_DIR_END;
11898              offset += TG3_NVM_DIRENT_SIZE) {
11899                 if (tg3_nvram_read(tp, offset, &val))
11900                         return;
11901
11902                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
11903                         break;
11904         }
11905
11906         if (offset == TG3_NVM_DIR_END)
11907                 return;
11908
11909         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11910                 start = 0x08000000;
11911         else if (tg3_nvram_read(tp, offset - 4, &start))
11912                 return;
11913
11914         if (tg3_nvram_read(tp, offset + 4, &offset) ||
11915             !tg3_fw_img_is_valid(tp, offset) ||
11916             tg3_nvram_read(tp, offset + 8, &val))
11917                 return;
11918
11919         offset += val - start;
11920
11921         vlen = strlen(tp->fw_ver);
11922
11923         tp->fw_ver[vlen++] = ',';
11924         tp->fw_ver[vlen++] = ' ';
11925
11926         for (i = 0; i < 4; i++) {
11927                 __be32 v;
11928                 if (tg3_nvram_read_be32(tp, offset, &v))
11929                         return;
11930
11931                 offset += sizeof(v);
11932
11933                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
11934                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
11935                         break;
11936                 }
11937
11938                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
11939                 vlen += sizeof(v);
11940         }
11941 }
11942
11943 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
11944 {
11945         int vlen;
11946         u32 apedata;
11947
11948         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
11949             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
11950                 return;
11951
11952         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
11953         if (apedata != APE_SEG_SIG_MAGIC)
11954                 return;
11955
11956         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
11957         if (!(apedata & APE_FW_STATUS_READY))
11958                 return;
11959
11960         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
11961
11962         vlen = strlen(tp->fw_ver);
11963
11964         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
11965                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
11966                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
11967                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
11968                  (apedata & APE_FW_VERSION_BLDMSK));
11969 }
11970
11971 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
11972 {
11973         u32 val;
11974
11975         if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
11976                 tp->fw_ver[0] = 's';
11977                 tp->fw_ver[1] = 'b';
11978                 tp->fw_ver[2] = '\0';
11979
11980                 return;
11981         }
11982
11983         if (tg3_nvram_read(tp, 0, &val))
11984                 return;
11985
11986         if (val == TG3_EEPROM_MAGIC)
11987                 tg3_read_bc_ver(tp);
11988         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
11989                 tg3_read_sb_ver(tp, val);
11990         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
11991                 tg3_read_hwsb_ver(tp);
11992         else
11993                 return;
11994
11995         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11996              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
11997                 return;
11998
11999         tg3_read_mgmtfw_ver(tp);
12000
12001         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12002 }
12003
12004 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12005
12006 static int __devinit tg3_get_invariants(struct tg3 *tp)
12007 {
12008         static struct pci_device_id write_reorder_chipsets[] = {
12009                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12010                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12011                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12012                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12013                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12014                              PCI_DEVICE_ID_VIA_8385_0) },
12015                 { },
12016         };
12017         u32 misc_ctrl_reg;
12018         u32 pci_state_reg, grc_misc_cfg;
12019         u32 val;
12020         u16 pci_cmd;
12021         int err;
12022
12023         /* Force memory write invalidate off.  If we leave it on,
12024          * then on 5700_BX chips we have to enable a workaround.
12025          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12026          * to match the cacheline size.  The Broadcom driver have this
12027          * workaround but turns MWI off all the times so never uses
12028          * it.  This seems to suggest that the workaround is insufficient.
12029          */
12030         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12031         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12032         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12033
12034         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12035          * has the register indirect write enable bit set before
12036          * we try to access any of the MMIO registers.  It is also
12037          * critical that the PCI-X hw workaround situation is decided
12038          * before that as well.
12039          */
12040         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12041                               &misc_ctrl_reg);
12042
12043         tp->pci_chip_rev_id = (misc_ctrl_reg >>
12044                                MISC_HOST_CTRL_CHIPREV_SHIFT);
12045         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12046                 u32 prod_id_asic_rev;
12047
12048                 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12049                                       &prod_id_asic_rev);
12050                 tp->pci_chip_rev_id = prod_id_asic_rev;
12051         }
12052
12053         /* Wrong chip ID in 5752 A0. This code can be removed later
12054          * as A0 is not in production.
12055          */
12056         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12057                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12058
12059         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12060          * we need to disable memory and use config. cycles
12061          * only to access all registers. The 5702/03 chips
12062          * can mistakenly decode the special cycles from the
12063          * ICH chipsets as memory write cycles, causing corruption
12064          * of register and memory space. Only certain ICH bridges
12065          * will drive special cycles with non-zero data during the
12066          * address phase which can fall within the 5703's address
12067          * range. This is not an ICH bug as the PCI spec allows
12068          * non-zero address during special cycles. However, only
12069          * these ICH bridges are known to drive non-zero addresses
12070          * during special cycles.
12071          *
12072          * Since special cycles do not cross PCI bridges, we only
12073          * enable this workaround if the 5703 is on the secondary
12074          * bus of these ICH bridges.
12075          */
12076         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12077             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12078                 static struct tg3_dev_id {
12079                         u32     vendor;
12080                         u32     device;
12081                         u32     rev;
12082                 } ich_chipsets[] = {
12083                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12084                           PCI_ANY_ID },
12085                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12086                           PCI_ANY_ID },
12087                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12088                           0xa },
12089                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12090                           PCI_ANY_ID },
12091                         { },
12092                 };
12093                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12094                 struct pci_dev *bridge = NULL;
12095
12096                 while (pci_id->vendor != 0) {
12097                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
12098                                                 bridge);
12099                         if (!bridge) {
12100                                 pci_id++;
12101                                 continue;
12102                         }
12103                         if (pci_id->rev != PCI_ANY_ID) {
12104                                 if (bridge->revision > pci_id->rev)
12105                                         continue;
12106                         }
12107                         if (bridge->subordinate &&
12108                             (bridge->subordinate->number ==
12109                              tp->pdev->bus->number)) {
12110
12111                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12112                                 pci_dev_put(bridge);
12113                                 break;
12114                         }
12115                 }
12116         }
12117
12118         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12119                 static struct tg3_dev_id {
12120                         u32     vendor;
12121                         u32     device;
12122                 } bridge_chipsets[] = {
12123                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12124                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12125                         { },
12126                 };
12127                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12128                 struct pci_dev *bridge = NULL;
12129
12130                 while (pci_id->vendor != 0) {
12131                         bridge = pci_get_device(pci_id->vendor,
12132                                                 pci_id->device,
12133                                                 bridge);
12134                         if (!bridge) {
12135                                 pci_id++;
12136                                 continue;
12137                         }
12138                         if (bridge->subordinate &&
12139                             (bridge->subordinate->number <=
12140                              tp->pdev->bus->number) &&
12141                             (bridge->subordinate->subordinate >=
12142                              tp->pdev->bus->number)) {
12143                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12144                                 pci_dev_put(bridge);
12145                                 break;
12146                         }
12147                 }
12148         }
12149
12150         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12151          * DMA addresses > 40-bit. This bridge may have other additional
12152          * 57xx devices behind it in some 4-port NIC designs for example.
12153          * Any tg3 device found behind the bridge will also need the 40-bit
12154          * DMA workaround.
12155          */
12156         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12157             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12158                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
12159                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12160                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
12161         }
12162         else {
12163                 struct pci_dev *bridge = NULL;
12164
12165                 do {
12166                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12167                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
12168                                                 bridge);
12169                         if (bridge && bridge->subordinate &&
12170                             (bridge->subordinate->number <=
12171                              tp->pdev->bus->number) &&
12172                             (bridge->subordinate->subordinate >=
12173                              tp->pdev->bus->number)) {
12174                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12175                                 pci_dev_put(bridge);
12176                                 break;
12177                         }
12178                 } while (bridge);
12179         }
12180
12181         /* Initialize misc host control in PCI block. */
12182         tp->misc_host_ctrl |= (misc_ctrl_reg &
12183                                MISC_HOST_CTRL_CHIPREV);
12184         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12185                                tp->misc_host_ctrl);
12186
12187         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
12188             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
12189                 tp->pdev_peer = tg3_find_peer(tp);
12190
12191         /* Intentionally exclude ASIC_REV_5906 */
12192         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12193             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12194             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12195             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12196             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12197             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12198                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
12199
12200         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12201             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12202             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
12203             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12204             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12205                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
12206
12207         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
12208             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12209                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
12210
12211         /* 5700 B0 chips do not support checksumming correctly due
12212          * to hardware bugs.
12213          */
12214         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
12215                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
12216         else {
12217                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12218                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12219                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
12220                         tp->dev->features |= NETIF_F_IPV6_CSUM;
12221         }
12222
12223         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12224                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
12225                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
12226                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
12227                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
12228                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
12229                      tp->pdev_peer == tp->pdev))
12230                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
12231
12232                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12233                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12234                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
12235                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
12236                 } else {
12237                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
12238                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12239                                 ASIC_REV_5750 &&
12240                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
12241                                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
12242                 }
12243         }
12244
12245         tp->irq_max = 1;
12246
12247         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12248              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12249                 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
12250
12251         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12252                               &pci_state_reg);
12253
12254         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
12255         if (tp->pcie_cap != 0) {
12256                 u16 lnkctl;
12257
12258                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
12259
12260                 pcie_set_readrq(tp->pdev, 4096);
12261
12262                 pci_read_config_word(tp->pdev,
12263                                      tp->pcie_cap + PCI_EXP_LNKCTL,
12264                                      &lnkctl);
12265                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
12266                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12267                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
12268                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12269                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12270                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
12271                             tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
12272                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
12273                 }
12274         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
12275                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
12276         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12277                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12278                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
12279                 if (!tp->pcix_cap) {
12280                         printk(KERN_ERR PFX "Cannot find PCI-X "
12281                                             "capability, aborting.\n");
12282                         return -EIO;
12283                 }
12284
12285                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
12286                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
12287         }
12288
12289         /* If we have an AMD 762 or VIA K8T800 chipset, write
12290          * reordering to the mailbox registers done by the host
12291          * controller can cause major troubles.  We read back from
12292          * every mailbox register write to force the writes to be
12293          * posted to the chip in order.
12294          */
12295         if (pci_dev_present(write_reorder_chipsets) &&
12296             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12297                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
12298
12299         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
12300                              &tp->pci_cacheline_sz);
12301         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12302                              &tp->pci_lat_timer);
12303         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12304             tp->pci_lat_timer < 64) {
12305                 tp->pci_lat_timer = 64;
12306                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12307                                       tp->pci_lat_timer);
12308         }
12309
12310         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
12311                 /* 5700 BX chips need to have their TX producer index
12312                  * mailboxes written twice to workaround a bug.
12313                  */
12314                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
12315
12316                 /* If we are in PCI-X mode, enable register write workaround.
12317                  *
12318                  * The workaround is to use indirect register accesses
12319                  * for all chip writes not to mailbox registers.
12320                  */
12321                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12322                         u32 pm_reg;
12323
12324                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12325
12326                         /* The chip can have it's power management PCI config
12327                          * space registers clobbered due to this bug.
12328                          * So explicitly force the chip into D0 here.
12329                          */
12330                         pci_read_config_dword(tp->pdev,
12331                                               tp->pm_cap + PCI_PM_CTRL,
12332                                               &pm_reg);
12333                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12334                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
12335                         pci_write_config_dword(tp->pdev,
12336                                                tp->pm_cap + PCI_PM_CTRL,
12337                                                pm_reg);
12338
12339                         /* Also, force SERR#/PERR# in PCI command. */
12340                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12341                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12342                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12343                 }
12344         }
12345
12346         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12347                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12348         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12349                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12350
12351         /* Chip-specific fixup from Broadcom driver */
12352         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12353             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12354                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12355                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12356         }
12357
12358         /* Default fast path register access methods */
12359         tp->read32 = tg3_read32;
12360         tp->write32 = tg3_write32;
12361         tp->read32_mbox = tg3_read32;
12362         tp->write32_mbox = tg3_write32;
12363         tp->write32_tx_mbox = tg3_write32;
12364         tp->write32_rx_mbox = tg3_write32;
12365
12366         /* Various workaround register access methods */
12367         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12368                 tp->write32 = tg3_write_indirect_reg32;
12369         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12370                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12371                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12372                 /*
12373                  * Back to back register writes can cause problems on these
12374                  * chips, the workaround is to read back all reg writes
12375                  * except those to mailbox regs.
12376                  *
12377                  * See tg3_write_indirect_reg32().
12378                  */
12379                 tp->write32 = tg3_write_flush_reg32;
12380         }
12381
12382
12383         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12384             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12385                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12386                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12387                         tp->write32_rx_mbox = tg3_write_flush_reg32;
12388         }
12389
12390         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12391                 tp->read32 = tg3_read_indirect_reg32;
12392                 tp->write32 = tg3_write_indirect_reg32;
12393                 tp->read32_mbox = tg3_read_indirect_mbox;
12394                 tp->write32_mbox = tg3_write_indirect_mbox;
12395                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12396                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12397
12398                 iounmap(tp->regs);
12399                 tp->regs = NULL;
12400
12401                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12402                 pci_cmd &= ~PCI_COMMAND_MEMORY;
12403                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12404         }
12405         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12406                 tp->read32_mbox = tg3_read32_mbox_5906;
12407                 tp->write32_mbox = tg3_write32_mbox_5906;
12408                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12409                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12410         }
12411
12412         if (tp->write32 == tg3_write_indirect_reg32 ||
12413             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12414              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12415               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
12416                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12417
12418         /* Get eeprom hw config before calling tg3_set_power_state().
12419          * In particular, the TG3_FLG2_IS_NIC flag must be
12420          * determined before calling tg3_set_power_state() so that
12421          * we know whether or not to switch out of Vaux power.
12422          * When the flag is set, it means that GPIO1 is used for eeprom
12423          * write protect and also implies that it is a LOM where GPIOs
12424          * are not used to switch power.
12425          */
12426         tg3_get_eeprom_hw_cfg(tp);
12427
12428         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12429                 /* Allow reads and writes to the
12430                  * APE register and memory space.
12431                  */
12432                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12433                                  PCISTATE_ALLOW_APE_SHMEM_WR;
12434                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12435                                        pci_state_reg);
12436         }
12437
12438         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12439             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12440             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12441             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12442                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12443
12444         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12445          * GPIO1 driven high will bring 5700's external PHY out of reset.
12446          * It is also used as eeprom write protect on LOMs.
12447          */
12448         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12449         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12450             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12451                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12452                                        GRC_LCLCTRL_GPIO_OUTPUT1);
12453         /* Unused GPIO3 must be driven as output on 5752 because there
12454          * are no pull-up resistors on unused GPIO pins.
12455          */
12456         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12457                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
12458
12459         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12460             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12461                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12462
12463         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
12464             tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
12465                 /* Turn off the debug UART. */
12466                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12467                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
12468                         /* Keep VMain power. */
12469                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
12470                                               GRC_LCLCTRL_GPIO_OUTPUT0;
12471         }
12472
12473         /* Force the chip into D0. */
12474         err = tg3_set_power_state(tp, PCI_D0);
12475         if (err) {
12476                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
12477                        pci_name(tp->pdev));
12478                 return err;
12479         }
12480
12481         /* Derive initial jumbo mode from MTU assigned in
12482          * ether_setup() via the alloc_etherdev() call
12483          */
12484         if (tp->dev->mtu > ETH_DATA_LEN &&
12485             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12486                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
12487
12488         /* Determine WakeOnLan speed to use. */
12489         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12490             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12491             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
12492             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
12493                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
12494         } else {
12495                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
12496         }
12497
12498         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12499                 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
12500
12501         /* A few boards don't want Ethernet@WireSpeed phy feature */
12502         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12503             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
12504              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
12505              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
12506             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
12507             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
12508                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
12509
12510         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
12511             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
12512                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
12513         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
12514                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
12515
12516         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
12517             !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
12518             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12519             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780) {
12520                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12521                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12522                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12523                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
12524                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
12525                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
12526                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
12527                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
12528                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
12529                 } else
12530                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
12531         }
12532
12533         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12534             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
12535                 tp->phy_otp = tg3_read_otp_phycfg(tp);
12536                 if (tp->phy_otp == 0)
12537                         tp->phy_otp = TG3_OTP_DEFAULT;
12538         }
12539
12540         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
12541                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
12542         else
12543                 tp->mi_mode = MAC_MI_MODE_BASE;
12544
12545         tp->coalesce_mode = 0;
12546         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
12547             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
12548                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
12549
12550         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12551             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12552                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
12553
12554         if ((tp->pci_chip_rev_id == CHIPREV_ID_57780_A1 &&
12555              tr32(RCVLPC_STATS_ENABLE) & RCVLPC_STATSENAB_ASF_FIX) ||
12556             tp->pci_chip_rev_id == CHIPREV_ID_57780_A0)
12557                 tp->tg3_flags3 |= TG3_FLG3_TOGGLE_10_100_L1PLLPD;
12558
12559         err = tg3_mdio_init(tp);
12560         if (err)
12561                 return err;
12562
12563         /* Initialize data/descriptor byte/word swapping. */
12564         val = tr32(GRC_MODE);
12565         val &= GRC_MODE_HOST_STACKUP;
12566         tw32(GRC_MODE, val | tp->grc_mode);
12567
12568         tg3_switch_clocks(tp);
12569
12570         /* Clear this out for sanity. */
12571         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
12572
12573         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12574                               &pci_state_reg);
12575         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
12576             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
12577                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
12578
12579                 if (chiprevid == CHIPREV_ID_5701_A0 ||
12580                     chiprevid == CHIPREV_ID_5701_B0 ||
12581                     chiprevid == CHIPREV_ID_5701_B2 ||
12582                     chiprevid == CHIPREV_ID_5701_B5) {
12583                         void __iomem *sram_base;
12584
12585                         /* Write some dummy words into the SRAM status block
12586                          * area, see if it reads back correctly.  If the return
12587                          * value is bad, force enable the PCIX workaround.
12588                          */
12589                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
12590
12591                         writel(0x00000000, sram_base);
12592                         writel(0x00000000, sram_base + 4);
12593                         writel(0xffffffff, sram_base + 4);
12594                         if (readl(sram_base) != 0x00000000)
12595                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12596                 }
12597         }
12598
12599         udelay(50);
12600         tg3_nvram_init(tp);
12601
12602         grc_misc_cfg = tr32(GRC_MISC_CFG);
12603         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
12604
12605         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12606             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
12607              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
12608                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
12609
12610         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
12611             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
12612                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
12613         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
12614                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
12615                                       HOSTCC_MODE_CLRTICK_TXBD);
12616
12617                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
12618                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12619                                        tp->misc_host_ctrl);
12620         }
12621
12622         /* Preserve the APE MAC_MODE bits */
12623         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
12624                 tp->mac_mode = tr32(MAC_MODE) |
12625                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
12626         else
12627                 tp->mac_mode = TG3_DEF_MAC_MODE;
12628
12629         /* these are limited to 10/100 only */
12630         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12631              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
12632             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12633              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12634              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
12635               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
12636               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
12637             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12638              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
12639               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
12640               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
12641             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
12642             (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
12643                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
12644
12645         err = tg3_phy_probe(tp);
12646         if (err) {
12647                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
12648                        pci_name(tp->pdev), err);
12649                 /* ... but do not return immediately ... */
12650                 tg3_mdio_fini(tp);
12651         }
12652
12653         tg3_read_partno(tp);
12654         tg3_read_fw_ver(tp);
12655
12656         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
12657                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12658         } else {
12659                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12660                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
12661                 else
12662                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12663         }
12664
12665         /* 5700 {AX,BX} chips have a broken status block link
12666          * change bit implementation, so we must use the
12667          * status register in those cases.
12668          */
12669         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12670                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
12671         else
12672                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
12673
12674         /* The led_ctrl is set during tg3_phy_probe, here we might
12675          * have to force the link status polling mechanism based
12676          * upon subsystem IDs.
12677          */
12678         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
12679             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12680             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
12681                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
12682                                   TG3_FLAG_USE_LINKCHG_REG);
12683         }
12684
12685         /* For all SERDES we poll the MAC status register. */
12686         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
12687                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
12688         else
12689                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
12690
12691         tp->rx_offset = NET_IP_ALIGN;
12692         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12693             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
12694                 tp->rx_offset = 0;
12695
12696         tp->rx_std_max_post = TG3_RX_RING_SIZE;
12697
12698         /* Increment the rx prod index on the rx std ring by at most
12699          * 8 for these chips to workaround hw errata.
12700          */
12701         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12702             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12703             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
12704                 tp->rx_std_max_post = 8;
12705
12706         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
12707                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
12708                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
12709
12710         return err;
12711 }
12712
12713 #ifdef CONFIG_SPARC
12714 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
12715 {
12716         struct net_device *dev = tp->dev;
12717         struct pci_dev *pdev = tp->pdev;
12718         struct device_node *dp = pci_device_to_OF_node(pdev);
12719         const unsigned char *addr;
12720         int len;
12721
12722         addr = of_get_property(dp, "local-mac-address", &len);
12723         if (addr && len == 6) {
12724                 memcpy(dev->dev_addr, addr, 6);
12725                 memcpy(dev->perm_addr, dev->dev_addr, 6);
12726                 return 0;
12727         }
12728         return -ENODEV;
12729 }
12730
12731 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
12732 {
12733         struct net_device *dev = tp->dev;
12734
12735         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
12736         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
12737         return 0;
12738 }
12739 #endif
12740
12741 static int __devinit tg3_get_device_address(struct tg3 *tp)
12742 {
12743         struct net_device *dev = tp->dev;
12744         u32 hi, lo, mac_offset;
12745         int addr_ok = 0;
12746
12747 #ifdef CONFIG_SPARC
12748         if (!tg3_get_macaddr_sparc(tp))
12749                 return 0;
12750 #endif
12751
12752         mac_offset = 0x7c;
12753         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
12754             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12755                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
12756                         mac_offset = 0xcc;
12757                 if (tg3_nvram_lock(tp))
12758                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
12759                 else
12760                         tg3_nvram_unlock(tp);
12761         }
12762         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12763                 mac_offset = 0x10;
12764
12765         /* First try to get it from MAC address mailbox. */
12766         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
12767         if ((hi >> 16) == 0x484b) {
12768                 dev->dev_addr[0] = (hi >>  8) & 0xff;
12769                 dev->dev_addr[1] = (hi >>  0) & 0xff;
12770
12771                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
12772                 dev->dev_addr[2] = (lo >> 24) & 0xff;
12773                 dev->dev_addr[3] = (lo >> 16) & 0xff;
12774                 dev->dev_addr[4] = (lo >>  8) & 0xff;
12775                 dev->dev_addr[5] = (lo >>  0) & 0xff;
12776
12777                 /* Some old bootcode may report a 0 MAC address in SRAM */
12778                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
12779         }
12780         if (!addr_ok) {
12781                 /* Next, try NVRAM. */
12782                 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
12783                     !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
12784                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
12785                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
12786                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
12787                 }
12788                 /* Finally just fetch it out of the MAC control regs. */
12789                 else {
12790                         hi = tr32(MAC_ADDR_0_HIGH);
12791                         lo = tr32(MAC_ADDR_0_LOW);
12792
12793                         dev->dev_addr[5] = lo & 0xff;
12794                         dev->dev_addr[4] = (lo >> 8) & 0xff;
12795                         dev->dev_addr[3] = (lo >> 16) & 0xff;
12796                         dev->dev_addr[2] = (lo >> 24) & 0xff;
12797                         dev->dev_addr[1] = hi & 0xff;
12798                         dev->dev_addr[0] = (hi >> 8) & 0xff;
12799                 }
12800         }
12801
12802         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
12803 #ifdef CONFIG_SPARC
12804                 if (!tg3_get_default_macaddr_sparc(tp))
12805                         return 0;
12806 #endif
12807                 return -EINVAL;
12808         }
12809         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
12810         return 0;
12811 }
12812
12813 #define BOUNDARY_SINGLE_CACHELINE       1
12814 #define BOUNDARY_MULTI_CACHELINE        2
12815
12816 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
12817 {
12818         int cacheline_size;
12819         u8 byte;
12820         int goal;
12821
12822         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
12823         if (byte == 0)
12824                 cacheline_size = 1024;
12825         else
12826                 cacheline_size = (int) byte * 4;
12827
12828         /* On 5703 and later chips, the boundary bits have no
12829          * effect.
12830          */
12831         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12832             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12833             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12834                 goto out;
12835
12836 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
12837         goal = BOUNDARY_MULTI_CACHELINE;
12838 #else
12839 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
12840         goal = BOUNDARY_SINGLE_CACHELINE;
12841 #else
12842         goal = 0;
12843 #endif
12844 #endif
12845
12846         if (!goal)
12847                 goto out;
12848
12849         /* PCI controllers on most RISC systems tend to disconnect
12850          * when a device tries to burst across a cache-line boundary.
12851          * Therefore, letting tg3 do so just wastes PCI bandwidth.
12852          *
12853          * Unfortunately, for PCI-E there are only limited
12854          * write-side controls for this, and thus for reads
12855          * we will still get the disconnects.  We'll also waste
12856          * these PCI cycles for both read and write for chips
12857          * other than 5700 and 5701 which do not implement the
12858          * boundary bits.
12859          */
12860         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12861             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
12862                 switch (cacheline_size) {
12863                 case 16:
12864                 case 32:
12865                 case 64:
12866                 case 128:
12867                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12868                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
12869                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
12870                         } else {
12871                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12872                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12873                         }
12874                         break;
12875
12876                 case 256:
12877                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
12878                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
12879                         break;
12880
12881                 default:
12882                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12883                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12884                         break;
12885                 }
12886         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12887                 switch (cacheline_size) {
12888                 case 16:
12889                 case 32:
12890                 case 64:
12891                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12892                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12893                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
12894                                 break;
12895                         }
12896                         /* fallthrough */
12897                 case 128:
12898                 default:
12899                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12900                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
12901                         break;
12902                 }
12903         } else {
12904                 switch (cacheline_size) {
12905                 case 16:
12906                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12907                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
12908                                         DMA_RWCTRL_WRITE_BNDRY_16);
12909                                 break;
12910                         }
12911                         /* fallthrough */
12912                 case 32:
12913                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12914                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
12915                                         DMA_RWCTRL_WRITE_BNDRY_32);
12916                                 break;
12917                         }
12918                         /* fallthrough */
12919                 case 64:
12920                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12921                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
12922                                         DMA_RWCTRL_WRITE_BNDRY_64);
12923                                 break;
12924                         }
12925                         /* fallthrough */
12926                 case 128:
12927                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12928                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
12929                                         DMA_RWCTRL_WRITE_BNDRY_128);
12930                                 break;
12931                         }
12932                         /* fallthrough */
12933                 case 256:
12934                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
12935                                 DMA_RWCTRL_WRITE_BNDRY_256);
12936                         break;
12937                 case 512:
12938                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
12939                                 DMA_RWCTRL_WRITE_BNDRY_512);
12940                         break;
12941                 case 1024:
12942                 default:
12943                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
12944                                 DMA_RWCTRL_WRITE_BNDRY_1024);
12945                         break;
12946                 }
12947         }
12948
12949 out:
12950         return val;
12951 }
12952
12953 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
12954 {
12955         struct tg3_internal_buffer_desc test_desc;
12956         u32 sram_dma_descs;
12957         int i, ret;
12958
12959         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
12960
12961         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
12962         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
12963         tw32(RDMAC_STATUS, 0);
12964         tw32(WDMAC_STATUS, 0);
12965
12966         tw32(BUFMGR_MODE, 0);
12967         tw32(FTQ_RESET, 0);
12968
12969         test_desc.addr_hi = ((u64) buf_dma) >> 32;
12970         test_desc.addr_lo = buf_dma & 0xffffffff;
12971         test_desc.nic_mbuf = 0x00002100;
12972         test_desc.len = size;
12973
12974         /*
12975          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
12976          * the *second* time the tg3 driver was getting loaded after an
12977          * initial scan.
12978          *
12979          * Broadcom tells me:
12980          *   ...the DMA engine is connected to the GRC block and a DMA
12981          *   reset may affect the GRC block in some unpredictable way...
12982          *   The behavior of resets to individual blocks has not been tested.
12983          *
12984          * Broadcom noted the GRC reset will also reset all sub-components.
12985          */
12986         if (to_device) {
12987                 test_desc.cqid_sqid = (13 << 8) | 2;
12988
12989                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
12990                 udelay(40);
12991         } else {
12992                 test_desc.cqid_sqid = (16 << 8) | 7;
12993
12994                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
12995                 udelay(40);
12996         }
12997         test_desc.flags = 0x00000005;
12998
12999         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13000                 u32 val;
13001
13002                 val = *(((u32 *)&test_desc) + i);
13003                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13004                                        sram_dma_descs + (i * sizeof(u32)));
13005                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13006         }
13007         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13008
13009         if (to_device) {
13010                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13011         } else {
13012                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13013         }
13014
13015         ret = -ENODEV;
13016         for (i = 0; i < 40; i++) {
13017                 u32 val;
13018
13019                 if (to_device)
13020                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13021                 else
13022                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13023                 if ((val & 0xffff) == sram_dma_descs) {
13024                         ret = 0;
13025                         break;
13026                 }
13027
13028                 udelay(100);
13029         }
13030
13031         return ret;
13032 }
13033
13034 #define TEST_BUFFER_SIZE        0x2000
13035
13036 static int __devinit tg3_test_dma(struct tg3 *tp)
13037 {
13038         dma_addr_t buf_dma;
13039         u32 *buf, saved_dma_rwctrl;
13040         int ret;
13041
13042         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13043         if (!buf) {
13044                 ret = -ENOMEM;
13045                 goto out_nofree;
13046         }
13047
13048         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13049                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13050
13051         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
13052
13053         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13054                 /* DMA read watermark not used on PCIE */
13055                 tp->dma_rwctrl |= 0x00180000;
13056         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
13057                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13058                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
13059                         tp->dma_rwctrl |= 0x003f0000;
13060                 else
13061                         tp->dma_rwctrl |= 0x003f000f;
13062         } else {
13063                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13064                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13065                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
13066                         u32 read_water = 0x7;
13067
13068                         /* If the 5704 is behind the EPB bridge, we can
13069                          * do the less restrictive ONE_DMA workaround for
13070                          * better performance.
13071                          */
13072                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13073                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13074                                 tp->dma_rwctrl |= 0x8000;
13075                         else if (ccval == 0x6 || ccval == 0x7)
13076                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13077
13078                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13079                                 read_water = 4;
13080                         /* Set bit 23 to enable PCIX hw bug fix */
13081                         tp->dma_rwctrl |=
13082                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13083                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13084                                 (1 << 23);
13085                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13086                         /* 5780 always in PCIX mode */
13087                         tp->dma_rwctrl |= 0x00144000;
13088                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13089                         /* 5714 always in PCIX mode */
13090                         tp->dma_rwctrl |= 0x00148000;
13091                 } else {
13092                         tp->dma_rwctrl |= 0x001b000f;
13093                 }
13094         }
13095
13096         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13097             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13098                 tp->dma_rwctrl &= 0xfffffff0;
13099
13100         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13101             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13102                 /* Remove this if it causes problems for some boards. */
13103                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13104
13105                 /* On 5700/5701 chips, we need to set this bit.
13106                  * Otherwise the chip will issue cacheline transactions
13107                  * to streamable DMA memory with not all the byte
13108                  * enables turned on.  This is an error on several
13109                  * RISC PCI controllers, in particular sparc64.
13110                  *
13111                  * On 5703/5704 chips, this bit has been reassigned
13112                  * a different meaning.  In particular, it is used
13113                  * on those chips to enable a PCI-X workaround.
13114                  */
13115                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
13116         }
13117
13118         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13119
13120 #if 0
13121         /* Unneeded, already done by tg3_get_invariants.  */
13122         tg3_switch_clocks(tp);
13123 #endif
13124
13125         ret = 0;
13126         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13127             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
13128                 goto out;
13129
13130         /* It is best to perform DMA test with maximum write burst size
13131          * to expose the 5700/5701 write DMA bug.
13132          */
13133         saved_dma_rwctrl = tp->dma_rwctrl;
13134         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13135         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13136
13137         while (1) {
13138                 u32 *p = buf, i;
13139
13140                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
13141                         p[i] = i;
13142
13143                 /* Send the buffer to the chip. */
13144                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
13145                 if (ret) {
13146                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
13147                         break;
13148                 }
13149
13150 #if 0
13151                 /* validate data reached card RAM correctly. */
13152                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13153                         u32 val;
13154                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
13155                         if (le32_to_cpu(val) != p[i]) {
13156                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
13157                                 /* ret = -ENODEV here? */
13158                         }
13159                         p[i] = 0;
13160                 }
13161 #endif
13162                 /* Now read it back. */
13163                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
13164                 if (ret) {
13165                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
13166
13167                         break;
13168                 }
13169
13170                 /* Verify it. */
13171                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13172                         if (p[i] == i)
13173                                 continue;
13174
13175                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13176                             DMA_RWCTRL_WRITE_BNDRY_16) {
13177                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13178                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13179                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13180                                 break;
13181                         } else {
13182                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
13183                                 ret = -ENODEV;
13184                                 goto out;
13185                         }
13186                 }
13187
13188                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
13189                         /* Success. */
13190                         ret = 0;
13191                         break;
13192                 }
13193         }
13194         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13195             DMA_RWCTRL_WRITE_BNDRY_16) {
13196                 static struct pci_device_id dma_wait_state_chipsets[] = {
13197                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
13198                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
13199                         { },
13200                 };
13201
13202                 /* DMA test passed without adjusting DMA boundary,
13203                  * now look for chipsets that are known to expose the
13204                  * DMA bug without failing the test.
13205                  */
13206                 if (pci_dev_present(dma_wait_state_chipsets)) {
13207                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13208                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13209                 }
13210                 else
13211                         /* Safe to use the calculated DMA boundary. */
13212                         tp->dma_rwctrl = saved_dma_rwctrl;
13213
13214                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13215         }
13216
13217 out:
13218         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
13219 out_nofree:
13220         return ret;
13221 }
13222
13223 static void __devinit tg3_init_link_config(struct tg3 *tp)
13224 {
13225         tp->link_config.advertising =
13226                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
13227                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
13228                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
13229                  ADVERTISED_Autoneg | ADVERTISED_MII);
13230         tp->link_config.speed = SPEED_INVALID;
13231         tp->link_config.duplex = DUPLEX_INVALID;
13232         tp->link_config.autoneg = AUTONEG_ENABLE;
13233         tp->link_config.active_speed = SPEED_INVALID;
13234         tp->link_config.active_duplex = DUPLEX_INVALID;
13235         tp->link_config.phy_is_low_power = 0;
13236         tp->link_config.orig_speed = SPEED_INVALID;
13237         tp->link_config.orig_duplex = DUPLEX_INVALID;
13238         tp->link_config.orig_autoneg = AUTONEG_INVALID;
13239 }
13240
13241 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
13242 {
13243         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13244                 tp->bufmgr_config.mbuf_read_dma_low_water =
13245                         DEFAULT_MB_RDMA_LOW_WATER_5705;
13246                 tp->bufmgr_config.mbuf_mac_rx_low_water =
13247                         DEFAULT_MB_MACRX_LOW_WATER_5705;
13248                 tp->bufmgr_config.mbuf_high_water =
13249                         DEFAULT_MB_HIGH_WATER_5705;
13250                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13251                         tp->bufmgr_config.mbuf_mac_rx_low_water =
13252                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
13253                         tp->bufmgr_config.mbuf_high_water =
13254                                 DEFAULT_MB_HIGH_WATER_5906;
13255                 }
13256
13257                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13258                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
13259                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13260                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
13261                 tp->bufmgr_config.mbuf_high_water_jumbo =
13262                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
13263         } else {
13264                 tp->bufmgr_config.mbuf_read_dma_low_water =
13265                         DEFAULT_MB_RDMA_LOW_WATER;
13266                 tp->bufmgr_config.mbuf_mac_rx_low_water =
13267                         DEFAULT_MB_MACRX_LOW_WATER;
13268                 tp->bufmgr_config.mbuf_high_water =
13269                         DEFAULT_MB_HIGH_WATER;
13270
13271                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13272                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
13273                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13274                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
13275                 tp->bufmgr_config.mbuf_high_water_jumbo =
13276                         DEFAULT_MB_HIGH_WATER_JUMBO;
13277         }
13278
13279         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
13280         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
13281 }
13282
13283 static char * __devinit tg3_phy_string(struct tg3 *tp)
13284 {
13285         switch (tp->phy_id & PHY_ID_MASK) {
13286         case PHY_ID_BCM5400:    return "5400";
13287         case PHY_ID_BCM5401:    return "5401";
13288         case PHY_ID_BCM5411:    return "5411";
13289         case PHY_ID_BCM5701:    return "5701";
13290         case PHY_ID_BCM5703:    return "5703";
13291         case PHY_ID_BCM5704:    return "5704";
13292         case PHY_ID_BCM5705:    return "5705";
13293         case PHY_ID_BCM5750:    return "5750";
13294         case PHY_ID_BCM5752:    return "5752";
13295         case PHY_ID_BCM5714:    return "5714";
13296         case PHY_ID_BCM5780:    return "5780";
13297         case PHY_ID_BCM5755:    return "5755";
13298         case PHY_ID_BCM5787:    return "5787";
13299         case PHY_ID_BCM5784:    return "5784";
13300         case PHY_ID_BCM5756:    return "5722/5756";
13301         case PHY_ID_BCM5906:    return "5906";
13302         case PHY_ID_BCM5761:    return "5761";
13303         case PHY_ID_BCM8002:    return "8002/serdes";
13304         case 0:                 return "serdes";
13305         default:                return "unknown";
13306         }
13307 }
13308
13309 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
13310 {
13311         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13312                 strcpy(str, "PCI Express");
13313                 return str;
13314         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13315                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
13316
13317                 strcpy(str, "PCIX:");
13318
13319                 if ((clock_ctrl == 7) ||
13320                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
13321                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
13322                         strcat(str, "133MHz");
13323                 else if (clock_ctrl == 0)
13324                         strcat(str, "33MHz");
13325                 else if (clock_ctrl == 2)
13326                         strcat(str, "50MHz");
13327                 else if (clock_ctrl == 4)
13328                         strcat(str, "66MHz");
13329                 else if (clock_ctrl == 6)
13330                         strcat(str, "100MHz");
13331         } else {
13332                 strcpy(str, "PCI:");
13333                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
13334                         strcat(str, "66MHz");
13335                 else
13336                         strcat(str, "33MHz");
13337         }
13338         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13339                 strcat(str, ":32-bit");
13340         else
13341                 strcat(str, ":64-bit");
13342         return str;
13343 }
13344
13345 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
13346 {
13347         struct pci_dev *peer;
13348         unsigned int func, devnr = tp->pdev->devfn & ~7;
13349
13350         for (func = 0; func < 8; func++) {
13351                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13352                 if (peer && peer != tp->pdev)
13353                         break;
13354                 pci_dev_put(peer);
13355         }
13356         /* 5704 can be configured in single-port mode, set peer to
13357          * tp->pdev in that case.
13358          */
13359         if (!peer) {
13360                 peer = tp->pdev;
13361                 return peer;
13362         }
13363
13364         /*
13365          * We don't need to keep the refcount elevated; there's no way
13366          * to remove one half of this device without removing the other
13367          */
13368         pci_dev_put(peer);
13369
13370         return peer;
13371 }
13372
13373 static void __devinit tg3_init_coal(struct tg3 *tp)
13374 {
13375         struct ethtool_coalesce *ec = &tp->coal;
13376
13377         memset(ec, 0, sizeof(*ec));
13378         ec->cmd = ETHTOOL_GCOALESCE;
13379         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13380         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13381         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13382         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13383         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13384         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13385         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13386         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13387         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13388
13389         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13390                                  HOSTCC_MODE_CLRTICK_TXBD)) {
13391                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13392                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13393                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13394                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13395         }
13396
13397         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13398                 ec->rx_coalesce_usecs_irq = 0;
13399                 ec->tx_coalesce_usecs_irq = 0;
13400                 ec->stats_block_coalesce_usecs = 0;
13401         }
13402 }
13403
13404 static const struct net_device_ops tg3_netdev_ops = {
13405         .ndo_open               = tg3_open,
13406         .ndo_stop               = tg3_close,
13407         .ndo_start_xmit         = tg3_start_xmit,
13408         .ndo_get_stats          = tg3_get_stats,
13409         .ndo_validate_addr      = eth_validate_addr,
13410         .ndo_set_multicast_list = tg3_set_rx_mode,
13411         .ndo_set_mac_address    = tg3_set_mac_addr,
13412         .ndo_do_ioctl           = tg3_ioctl,
13413         .ndo_tx_timeout         = tg3_tx_timeout,
13414         .ndo_change_mtu         = tg3_change_mtu,
13415 #if TG3_VLAN_TAG_USED
13416         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13417 #endif
13418 #ifdef CONFIG_NET_POLL_CONTROLLER
13419         .ndo_poll_controller    = tg3_poll_controller,
13420 #endif
13421 };
13422
13423 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13424         .ndo_open               = tg3_open,
13425         .ndo_stop               = tg3_close,
13426         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
13427         .ndo_get_stats          = tg3_get_stats,
13428         .ndo_validate_addr      = eth_validate_addr,
13429         .ndo_set_multicast_list = tg3_set_rx_mode,
13430         .ndo_set_mac_address    = tg3_set_mac_addr,
13431         .ndo_do_ioctl           = tg3_ioctl,
13432         .ndo_tx_timeout         = tg3_tx_timeout,
13433         .ndo_change_mtu         = tg3_change_mtu,
13434 #if TG3_VLAN_TAG_USED
13435         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13436 #endif
13437 #ifdef CONFIG_NET_POLL_CONTROLLER
13438         .ndo_poll_controller    = tg3_poll_controller,
13439 #endif
13440 };
13441
13442 static int __devinit tg3_init_one(struct pci_dev *pdev,
13443                                   const struct pci_device_id *ent)
13444 {
13445         static int tg3_version_printed = 0;
13446         struct net_device *dev;
13447         struct tg3 *tp;
13448         int i, err, pm_cap;
13449         u32 sndmbx, rcvmbx, intmbx;
13450         char str[40];
13451         u64 dma_mask, persist_dma_mask;
13452
13453         if (tg3_version_printed++ == 0)
13454                 printk(KERN_INFO "%s", version);
13455
13456         err = pci_enable_device(pdev);
13457         if (err) {
13458                 printk(KERN_ERR PFX "Cannot enable PCI device, "
13459                        "aborting.\n");
13460                 return err;
13461         }
13462
13463         err = pci_request_regions(pdev, DRV_MODULE_NAME);
13464         if (err) {
13465                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
13466                        "aborting.\n");
13467                 goto err_out_disable_pdev;
13468         }
13469
13470         pci_set_master(pdev);
13471
13472         /* Find power-management capability. */
13473         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
13474         if (pm_cap == 0) {
13475                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
13476                        "aborting.\n");
13477                 err = -EIO;
13478                 goto err_out_free_res;
13479         }
13480
13481         dev = alloc_etherdev(sizeof(*tp));
13482         if (!dev) {
13483                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
13484                 err = -ENOMEM;
13485                 goto err_out_free_res;
13486         }
13487
13488         SET_NETDEV_DEV(dev, &pdev->dev);
13489
13490 #if TG3_VLAN_TAG_USED
13491         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
13492 #endif
13493
13494         tp = netdev_priv(dev);
13495         tp->pdev = pdev;
13496         tp->dev = dev;
13497         tp->pm_cap = pm_cap;
13498         tp->rx_mode = TG3_DEF_RX_MODE;
13499         tp->tx_mode = TG3_DEF_TX_MODE;
13500
13501         if (tg3_debug > 0)
13502                 tp->msg_enable = tg3_debug;
13503         else
13504                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
13505
13506         /* The word/byte swap controls here control register access byte
13507          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
13508          * setting below.
13509          */
13510         tp->misc_host_ctrl =
13511                 MISC_HOST_CTRL_MASK_PCI_INT |
13512                 MISC_HOST_CTRL_WORD_SWAP |
13513                 MISC_HOST_CTRL_INDIR_ACCESS |
13514                 MISC_HOST_CTRL_PCISTATE_RW;
13515
13516         /* The NONFRM (non-frame) byte/word swap controls take effect
13517          * on descriptor entries, anything which isn't packet data.
13518          *
13519          * The StrongARM chips on the board (one for tx, one for rx)
13520          * are running in big-endian mode.
13521          */
13522         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
13523                         GRC_MODE_WSWAP_NONFRM_DATA);
13524 #ifdef __BIG_ENDIAN
13525         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
13526 #endif
13527         spin_lock_init(&tp->lock);
13528         spin_lock_init(&tp->indirect_lock);
13529         INIT_WORK(&tp->reset_task, tg3_reset_task);
13530
13531         tp->regs = pci_ioremap_bar(pdev, BAR_0);
13532         if (!tp->regs) {
13533                 printk(KERN_ERR PFX "Cannot map device registers, "
13534                        "aborting.\n");
13535                 err = -ENOMEM;
13536                 goto err_out_free_dev;
13537         }
13538
13539         tg3_init_link_config(tp);
13540
13541         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
13542         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
13543
13544         intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
13545         rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
13546         sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
13547         for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
13548                 struct tg3_napi *tnapi = &tp->napi[i];
13549
13550                 tnapi->tp = tp;
13551                 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
13552
13553                 tnapi->int_mbox = intmbx;
13554                 if (i < 4)
13555                         intmbx += 0x8;
13556                 else
13557                         intmbx += 0x4;
13558
13559                 tnapi->consmbox = rcvmbx;
13560                 tnapi->prodmbox = sndmbx;
13561
13562                 if (i)
13563                         tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
13564                 else
13565                         tnapi->coal_now = HOSTCC_MODE_NOW;
13566
13567                 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
13568                         break;
13569
13570                 /*
13571                  * If we support MSIX, we'll be using RSS.  If we're using
13572                  * RSS, the first vector only handles link interrupts and the
13573                  * remaining vectors handle rx and tx interrupts.  Reuse the
13574                  * mailbox values for the next iteration.  The values we setup
13575                  * above are still useful for the single vectored mode.
13576                  */
13577                 if (!i)
13578                         continue;
13579
13580                 rcvmbx += 0x8;
13581
13582                 if (sndmbx & 0x4)
13583                         sndmbx -= 0x4;
13584                 else
13585                         sndmbx += 0xc;
13586         }
13587
13588         netif_napi_add(dev, &tp->napi[0].napi, tg3_poll, 64);
13589         dev->ethtool_ops = &tg3_ethtool_ops;
13590         dev->watchdog_timeo = TG3_TX_TIMEOUT;
13591         dev->irq = pdev->irq;
13592
13593         err = tg3_get_invariants(tp);
13594         if (err) {
13595                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
13596                        "aborting.\n");
13597                 goto err_out_iounmap;
13598         }
13599
13600         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13601             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13602                 dev->netdev_ops = &tg3_netdev_ops;
13603         else
13604                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
13605
13606
13607         /* The EPB bridge inside 5714, 5715, and 5780 and any
13608          * device behind the EPB cannot support DMA addresses > 40-bit.
13609          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
13610          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
13611          * do DMA address check in tg3_start_xmit().
13612          */
13613         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
13614                 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
13615         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
13616                 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
13617 #ifdef CONFIG_HIGHMEM
13618                 dma_mask = DMA_BIT_MASK(64);
13619 #endif
13620         } else
13621                 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
13622
13623         /* Configure DMA attributes. */
13624         if (dma_mask > DMA_BIT_MASK(32)) {
13625                 err = pci_set_dma_mask(pdev, dma_mask);
13626                 if (!err) {
13627                         dev->features |= NETIF_F_HIGHDMA;
13628                         err = pci_set_consistent_dma_mask(pdev,
13629                                                           persist_dma_mask);
13630                         if (err < 0) {
13631                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
13632                                        "DMA for consistent allocations\n");
13633                                 goto err_out_iounmap;
13634                         }
13635                 }
13636         }
13637         if (err || dma_mask == DMA_BIT_MASK(32)) {
13638                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
13639                 if (err) {
13640                         printk(KERN_ERR PFX "No usable DMA configuration, "
13641                                "aborting.\n");
13642                         goto err_out_iounmap;
13643                 }
13644         }
13645
13646         tg3_init_bufmgr_config(tp);
13647
13648         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
13649                 tp->fw_needed = FIRMWARE_TG3;
13650
13651         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13652                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
13653         }
13654         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13655             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13656             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
13657             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13658             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
13659                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
13660         } else {
13661                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
13662                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13663                         tp->fw_needed = FIRMWARE_TG3TSO5;
13664                 else
13665                         tp->fw_needed = FIRMWARE_TG3TSO;
13666         }
13667
13668         /* TSO is on by default on chips that support hardware TSO.
13669          * Firmware TSO on older chips gives lower performance, so it
13670          * is off by default, but can be enabled using ethtool.
13671          */
13672         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13673                 if (dev->features & NETIF_F_IP_CSUM)
13674                         dev->features |= NETIF_F_TSO;
13675                 if ((dev->features & NETIF_F_IPV6_CSUM) &&
13676                     (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
13677                         dev->features |= NETIF_F_TSO6;
13678                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13679                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13680                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
13681                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13682                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13683                         dev->features |= NETIF_F_TSO_ECN;
13684         }
13685
13686
13687         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
13688             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
13689             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
13690                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
13691                 tp->rx_pending = 63;
13692         }
13693
13694         err = tg3_get_device_address(tp);
13695         if (err) {
13696                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
13697                        "aborting.\n");
13698                 goto err_out_fw;
13699         }
13700
13701         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13702                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
13703                 if (!tp->aperegs) {
13704                         printk(KERN_ERR PFX "Cannot map APE registers, "
13705                                "aborting.\n");
13706                         err = -ENOMEM;
13707                         goto err_out_fw;
13708                 }
13709
13710                 tg3_ape_lock_init(tp);
13711
13712                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
13713                         tg3_read_dash_ver(tp);
13714         }
13715
13716         /*
13717          * Reset chip in case UNDI or EFI driver did not shutdown
13718          * DMA self test will enable WDMAC and we'll see (spurious)
13719          * pending DMA on the PCI bus at that point.
13720          */
13721         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
13722             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
13723                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
13724                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13725         }
13726
13727         err = tg3_test_dma(tp);
13728         if (err) {
13729                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
13730                 goto err_out_apeunmap;
13731         }
13732
13733         /* flow control autonegotiation is default behavior */
13734         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
13735         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
13736
13737         tg3_init_coal(tp);
13738
13739         pci_set_drvdata(pdev, dev);
13740
13741         err = register_netdev(dev);
13742         if (err) {
13743                 printk(KERN_ERR PFX "Cannot register net device, "
13744                        "aborting.\n");
13745                 goto err_out_apeunmap;
13746         }
13747
13748         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
13749                dev->name,
13750                tp->board_part_number,
13751                tp->pci_chip_rev_id,
13752                tg3_bus_string(tp, str),
13753                dev->dev_addr);
13754
13755         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
13756                 printk(KERN_INFO
13757                        "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
13758                        tp->dev->name,
13759                        tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
13760                        dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
13761         else
13762                 printk(KERN_INFO
13763                        "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
13764                        tp->dev->name, tg3_phy_string(tp),
13765                        ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
13766                         ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
13767                          "10/100/1000Base-T")),
13768                        (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
13769
13770         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
13771                dev->name,
13772                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
13773                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
13774                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
13775                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
13776                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
13777         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
13778                dev->name, tp->dma_rwctrl,
13779                (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
13780                 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
13781
13782         return 0;
13783
13784 err_out_apeunmap:
13785         if (tp->aperegs) {
13786                 iounmap(tp->aperegs);
13787                 tp->aperegs = NULL;
13788         }
13789
13790 err_out_fw:
13791         if (tp->fw)
13792                 release_firmware(tp->fw);
13793
13794 err_out_iounmap:
13795         if (tp->regs) {
13796                 iounmap(tp->regs);
13797                 tp->regs = NULL;
13798         }
13799
13800 err_out_free_dev:
13801         free_netdev(dev);
13802
13803 err_out_free_res:
13804         pci_release_regions(pdev);
13805
13806 err_out_disable_pdev:
13807         pci_disable_device(pdev);
13808         pci_set_drvdata(pdev, NULL);
13809         return err;
13810 }
13811
13812 static void __devexit tg3_remove_one(struct pci_dev *pdev)
13813 {
13814         struct net_device *dev = pci_get_drvdata(pdev);
13815
13816         if (dev) {
13817                 struct tg3 *tp = netdev_priv(dev);
13818
13819                 if (tp->fw)
13820                         release_firmware(tp->fw);
13821
13822                 flush_scheduled_work();
13823
13824                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
13825                         tg3_phy_fini(tp);
13826                         tg3_mdio_fini(tp);
13827                 }
13828
13829                 unregister_netdev(dev);
13830                 if (tp->aperegs) {
13831                         iounmap(tp->aperegs);
13832                         tp->aperegs = NULL;
13833                 }
13834                 if (tp->regs) {
13835                         iounmap(tp->regs);
13836                         tp->regs = NULL;
13837                 }
13838                 free_netdev(dev);
13839                 pci_release_regions(pdev);
13840                 pci_disable_device(pdev);
13841                 pci_set_drvdata(pdev, NULL);
13842         }
13843 }
13844
13845 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
13846 {
13847         struct net_device *dev = pci_get_drvdata(pdev);
13848         struct tg3 *tp = netdev_priv(dev);
13849         pci_power_t target_state;
13850         int err;
13851
13852         /* PCI register 4 needs to be saved whether netif_running() or not.
13853          * MSI address and data need to be saved if using MSI and
13854          * netif_running().
13855          */
13856         pci_save_state(pdev);
13857
13858         if (!netif_running(dev))
13859                 return 0;
13860
13861         flush_scheduled_work();
13862         tg3_phy_stop(tp);
13863         tg3_netif_stop(tp);
13864
13865         del_timer_sync(&tp->timer);
13866
13867         tg3_full_lock(tp, 1);
13868         tg3_disable_ints(tp);
13869         tg3_full_unlock(tp);
13870
13871         netif_device_detach(dev);
13872
13873         tg3_full_lock(tp, 0);
13874         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13875         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
13876         tg3_full_unlock(tp);
13877
13878         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
13879
13880         err = tg3_set_power_state(tp, target_state);
13881         if (err) {
13882                 int err2;
13883
13884                 tg3_full_lock(tp, 0);
13885
13886                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13887                 err2 = tg3_restart_hw(tp, 1);
13888                 if (err2)
13889                         goto out;
13890
13891                 tp->timer.expires = jiffies + tp->timer_offset;
13892                 add_timer(&tp->timer);
13893
13894                 netif_device_attach(dev);
13895                 tg3_netif_start(tp);
13896
13897 out:
13898                 tg3_full_unlock(tp);
13899
13900                 if (!err2)
13901                         tg3_phy_start(tp);
13902         }
13903
13904         return err;
13905 }
13906
13907 static int tg3_resume(struct pci_dev *pdev)
13908 {
13909         struct net_device *dev = pci_get_drvdata(pdev);
13910         struct tg3 *tp = netdev_priv(dev);
13911         int err;
13912
13913         pci_restore_state(tp->pdev);
13914
13915         if (!netif_running(dev))
13916                 return 0;
13917
13918         err = tg3_set_power_state(tp, PCI_D0);
13919         if (err)
13920                 return err;
13921
13922         netif_device_attach(dev);
13923
13924         tg3_full_lock(tp, 0);
13925
13926         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13927         err = tg3_restart_hw(tp, 1);
13928         if (err)
13929                 goto out;
13930
13931         tp->timer.expires = jiffies + tp->timer_offset;
13932         add_timer(&tp->timer);
13933
13934         tg3_netif_start(tp);
13935
13936 out:
13937         tg3_full_unlock(tp);
13938
13939         if (!err)
13940                 tg3_phy_start(tp);
13941
13942         return err;
13943 }
13944
13945 static struct pci_driver tg3_driver = {
13946         .name           = DRV_MODULE_NAME,
13947         .id_table       = tg3_pci_tbl,
13948         .probe          = tg3_init_one,
13949         .remove         = __devexit_p(tg3_remove_one),
13950         .suspend        = tg3_suspend,
13951         .resume         = tg3_resume
13952 };
13953
13954 static int __init tg3_init(void)
13955 {
13956         return pci_register_driver(&tg3_driver);
13957 }
13958
13959 static void __exit tg3_cleanup(void)
13960 {
13961         pci_unregister_driver(&tg3_driver);
13962 }
13963
13964 module_init(tg3_init);
13965 module_exit(tg3_cleanup);