tg3.c 268 KB

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  1. /*
  2. * tg3.c: Broadcom Tigon3 ethernet driver.
  3. *
  4. * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
  5. * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
  6. * Copyright (C) 2004 Sun Microsystems Inc.
  7. * Copyright (C) 2005 Broadcom Corporation.
  8. *
  9. * Firmware is:
  10. * Copyright (C) 2000-2003 Broadcom Corporation.
  11. */
  12. #include <linux/config.h>
  13. #include <linux/module.h>
  14. #include <linux/moduleparam.h>
  15. #include <linux/kernel.h>
  16. #include <linux/types.h>
  17. #include <linux/compiler.h>
  18. #include <linux/slab.h>
  19. #include <linux/delay.h>
  20. #include <linux/init.h>
  21. #include <linux/ioport.h>
  22. #include <linux/pci.h>
  23. #include <linux/netdevice.h>
  24. #include <linux/etherdevice.h>
  25. #include <linux/skbuff.h>
  26. #include <linux/ethtool.h>
  27. #include <linux/mii.h>
  28. #include <linux/if_vlan.h>
  29. #include <linux/ip.h>
  30. #include <linux/tcp.h>
  31. #include <linux/workqueue.h>
  32. #include <net/checksum.h>
  33. #include <asm/system.h>
  34. #include <asm/io.h>
  35. #include <asm/byteorder.h>
  36. #include <asm/uaccess.h>
  37. #ifdef CONFIG_SPARC64
  38. #include <asm/idprom.h>
  39. #include <asm/oplib.h>
  40. #include <asm/pbm.h>
  41. #endif
  42. #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  43. #define TG3_VLAN_TAG_USED 1
  44. #else
  45. #define TG3_VLAN_TAG_USED 0
  46. #endif
  47. #ifdef NETIF_F_TSO
  48. #define TG3_TSO_SUPPORT 1
  49. #else
  50. #define TG3_TSO_SUPPORT 0
  51. #endif
  52. #include "tg3.h"
  53. #define DRV_MODULE_NAME "tg3"
  54. #define PFX DRV_MODULE_NAME ": "
  55. #define DRV_MODULE_VERSION "3.25"
  56. #define DRV_MODULE_RELDATE "March 24, 2005"
  57. #define TG3_DEF_MAC_MODE 0
  58. #define TG3_DEF_RX_MODE 0
  59. #define TG3_DEF_TX_MODE 0
  60. #define TG3_DEF_MSG_ENABLE \
  61. (NETIF_MSG_DRV | \
  62. NETIF_MSG_PROBE | \
  63. NETIF_MSG_LINK | \
  64. NETIF_MSG_TIMER | \
  65. NETIF_MSG_IFDOWN | \
  66. NETIF_MSG_IFUP | \
  67. NETIF_MSG_RX_ERR | \
  68. NETIF_MSG_TX_ERR)
  69. /* length of time before we decide the hardware is borked,
  70. * and dev->tx_timeout() should be called to fix the problem
  71. */
  72. #define TG3_TX_TIMEOUT (5 * HZ)
  73. /* hardware minimum and maximum for a single frame's data payload */
  74. #define TG3_MIN_MTU 60
  75. #define TG3_MAX_MTU(tp) \
  76. (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 9000 : 1500)
  77. /* These numbers seem to be hard coded in the NIC firmware somehow.
  78. * You can't change the ring sizes, but you can change where you place
  79. * them in the NIC onboard memory.
  80. */
  81. #define TG3_RX_RING_SIZE 512
  82. #define TG3_DEF_RX_RING_PENDING 200
  83. #define TG3_RX_JUMBO_RING_SIZE 256
  84. #define TG3_DEF_RX_JUMBO_RING_PENDING 100
  85. /* Do not place this n-ring entries value into the tp struct itself,
  86. * we really want to expose these constants to GCC so that modulo et
  87. * al. operations are done with shifts and masks instead of with
  88. * hw multiply/modulo instructions. Another solution would be to
  89. * replace things like '% foo' with '& (foo - 1)'.
  90. */
  91. #define TG3_RX_RCB_RING_SIZE(tp) \
  92. ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
  93. #define TG3_TX_RING_SIZE 512
  94. #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
  95. #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  96. TG3_RX_RING_SIZE)
  97. #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  98. TG3_RX_JUMBO_RING_SIZE)
  99. #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
  100. TG3_RX_RCB_RING_SIZE(tp))
  101. #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
  102. TG3_TX_RING_SIZE)
  103. #define TX_RING_GAP(TP) \
  104. (TG3_TX_RING_SIZE - (TP)->tx_pending)
  105. #define TX_BUFFS_AVAIL(TP) \
  106. (((TP)->tx_cons <= (TP)->tx_prod) ? \
  107. (TP)->tx_cons + (TP)->tx_pending - (TP)->tx_prod : \
  108. (TP)->tx_cons - (TP)->tx_prod - TX_RING_GAP(TP))
  109. #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
  110. #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
  111. #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
  112. /* minimum number of free TX descriptors required to wake up TX process */
  113. #define TG3_TX_WAKEUP_THRESH (TG3_TX_RING_SIZE / 4)
  114. /* number of ETHTOOL_GSTATS u64's */
  115. #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
  116. static char version[] __devinitdata =
  117. DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  118. MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
  119. MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
  120. MODULE_LICENSE("GPL");
  121. MODULE_VERSION(DRV_MODULE_VERSION);
  122. static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
  123. module_param(tg3_debug, int, 0);
  124. MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
  125. static struct pci_device_id tg3_pci_tbl[] = {
  126. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700,
  127. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  128. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701,
  129. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  130. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702,
  131. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  132. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703,
  133. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  134. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704,
  135. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  136. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE,
  137. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  138. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705,
  139. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  140. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2,
  141. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  142. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M,
  143. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  144. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2,
  145. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  146. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X,
  147. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  148. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X,
  149. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  150. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S,
  151. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  152. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3,
  153. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  154. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3,
  155. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  156. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782,
  157. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  158. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788,
  159. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  160. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789,
  161. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  162. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901,
  163. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  164. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2,
  165. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  166. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2,
  167. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  168. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F,
  169. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  170. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720,
  171. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  172. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721,
  173. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  174. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750,
  175. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  176. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751,
  177. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  178. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M,
  179. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  180. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M,
  181. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  182. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
  183. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  184. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
  185. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  186. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
  187. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  188. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
  189. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  190. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
  191. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  192. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
  193. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  194. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
  195. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  196. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX,
  197. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  198. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000,
  199. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  200. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001,
  201. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  202. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003,
  203. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  204. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100,
  205. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  206. { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3,
  207. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  208. { 0, }
  209. };
  210. MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
  211. static struct {
  212. const char string[ETH_GSTRING_LEN];
  213. } ethtool_stats_keys[TG3_NUM_STATS] = {
  214. { "rx_octets" },
  215. { "rx_fragments" },
  216. { "rx_ucast_packets" },
  217. { "rx_mcast_packets" },
  218. { "rx_bcast_packets" },
  219. { "rx_fcs_errors" },
  220. { "rx_align_errors" },
  221. { "rx_xon_pause_rcvd" },
  222. { "rx_xoff_pause_rcvd" },
  223. { "rx_mac_ctrl_rcvd" },
  224. { "rx_xoff_entered" },
  225. { "rx_frame_too_long_errors" },
  226. { "rx_jabbers" },
  227. { "rx_undersize_packets" },
  228. { "rx_in_length_errors" },
  229. { "rx_out_length_errors" },
  230. { "rx_64_or_less_octet_packets" },
  231. { "rx_65_to_127_octet_packets" },
  232. { "rx_128_to_255_octet_packets" },
  233. { "rx_256_to_511_octet_packets" },
  234. { "rx_512_to_1023_octet_packets" },
  235. { "rx_1024_to_1522_octet_packets" },
  236. { "rx_1523_to_2047_octet_packets" },
  237. { "rx_2048_to_4095_octet_packets" },
  238. { "rx_4096_to_8191_octet_packets" },
  239. { "rx_8192_to_9022_octet_packets" },
  240. { "tx_octets" },
  241. { "tx_collisions" },
  242. { "tx_xon_sent" },
  243. { "tx_xoff_sent" },
  244. { "tx_flow_control" },
  245. { "tx_mac_errors" },
  246. { "tx_single_collisions" },
  247. { "tx_mult_collisions" },
  248. { "tx_deferred" },
  249. { "tx_excessive_collisions" },
  250. { "tx_late_collisions" },
  251. { "tx_collide_2times" },
  252. { "tx_collide_3times" },
  253. { "tx_collide_4times" },
  254. { "tx_collide_5times" },
  255. { "tx_collide_6times" },
  256. { "tx_collide_7times" },
  257. { "tx_collide_8times" },
  258. { "tx_collide_9times" },
  259. { "tx_collide_10times" },
  260. { "tx_collide_11times" },
  261. { "tx_collide_12times" },
  262. { "tx_collide_13times" },
  263. { "tx_collide_14times" },
  264. { "tx_collide_15times" },
  265. { "tx_ucast_packets" },
  266. { "tx_mcast_packets" },
  267. { "tx_bcast_packets" },
  268. { "tx_carrier_sense_errors" },
  269. { "tx_discards" },
  270. { "tx_errors" },
  271. { "dma_writeq_full" },
  272. { "dma_write_prioq_full" },
  273. { "rxbds_empty" },
  274. { "rx_discards" },
  275. { "rx_errors" },
  276. { "rx_threshold_hit" },
  277. { "dma_readq_full" },
  278. { "dma_read_prioq_full" },
  279. { "tx_comp_queue_full" },
  280. { "ring_set_send_prod_index" },
  281. { "ring_status_update" },
  282. { "nic_irqs" },
  283. { "nic_avoided_irqs" },
  284. { "nic_tx_threshold_hit" }
  285. };
  286. static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
  287. {
  288. if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
  289. unsigned long flags;
  290. spin_lock_irqsave(&tp->indirect_lock, flags);
  291. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  292. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  293. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  294. } else {
  295. writel(val, tp->regs + off);
  296. if ((tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) != 0)
  297. readl(tp->regs + off);
  298. }
  299. }
  300. static void _tw32_flush(struct tg3 *tp, u32 off, u32 val)
  301. {
  302. if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) != 0) {
  303. unsigned long flags;
  304. spin_lock_irqsave(&tp->indirect_lock, flags);
  305. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  306. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  307. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  308. } else {
  309. void __iomem *dest = tp->regs + off;
  310. writel(val, dest);
  311. readl(dest); /* always flush PCI write */
  312. }
  313. }
  314. static inline void _tw32_rx_mbox(struct tg3 *tp, u32 off, u32 val)
  315. {
  316. void __iomem *mbox = tp->regs + off;
  317. writel(val, mbox);
  318. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  319. readl(mbox);
  320. }
  321. static inline void _tw32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
  322. {
  323. void __iomem *mbox = tp->regs + off;
  324. writel(val, mbox);
  325. if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  326. writel(val, mbox);
  327. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  328. readl(mbox);
  329. }
  330. #define tw32_mailbox(reg, val) writel(((val) & 0xffffffff), tp->regs + (reg))
  331. #define tw32_rx_mbox(reg, val) _tw32_rx_mbox(tp, reg, val)
  332. #define tw32_tx_mbox(reg, val) _tw32_tx_mbox(tp, reg, val)
  333. #define tw32(reg,val) tg3_write_indirect_reg32(tp,(reg),(val))
  334. #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val))
  335. #define tw16(reg,val) writew(((val) & 0xffff), tp->regs + (reg))
  336. #define tw8(reg,val) writeb(((val) & 0xff), tp->regs + (reg))
  337. #define tr32(reg) readl(tp->regs + (reg))
  338. #define tr16(reg) readw(tp->regs + (reg))
  339. #define tr8(reg) readb(tp->regs + (reg))
  340. static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
  341. {
  342. unsigned long flags;
  343. spin_lock_irqsave(&tp->indirect_lock, flags);
  344. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  345. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  346. /* Always leave this as zero. */
  347. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  348. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  349. }
  350. static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
  351. {
  352. unsigned long flags;
  353. spin_lock_irqsave(&tp->indirect_lock, flags);
  354. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  355. pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  356. /* Always leave this as zero. */
  357. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  358. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  359. }
  360. static void tg3_disable_ints(struct tg3 *tp)
  361. {
  362. tw32(TG3PCI_MISC_HOST_CTRL,
  363. (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
  364. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  365. tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
  366. }
  367. static inline void tg3_cond_int(struct tg3 *tp)
  368. {
  369. if (tp->hw_status->status & SD_STATUS_UPDATED)
  370. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  371. }
  372. static void tg3_enable_ints(struct tg3 *tp)
  373. {
  374. tw32(TG3PCI_MISC_HOST_CTRL,
  375. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  376. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000000);
  377. tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
  378. tg3_cond_int(tp);
  379. }
  380. /* tg3_restart_ints
  381. * similar to tg3_enable_ints, but it can return without flushing the
  382. * PIO write which reenables interrupts
  383. */
  384. static void tg3_restart_ints(struct tg3 *tp)
  385. {
  386. tw32(TG3PCI_MISC_HOST_CTRL,
  387. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  388. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000000);
  389. mmiowb();
  390. tg3_cond_int(tp);
  391. }
  392. static inline void tg3_netif_stop(struct tg3 *tp)
  393. {
  394. netif_poll_disable(tp->dev);
  395. netif_tx_disable(tp->dev);
  396. }
  397. static inline void tg3_netif_start(struct tg3 *tp)
  398. {
  399. netif_wake_queue(tp->dev);
  400. /* NOTE: unconditional netif_wake_queue is only appropriate
  401. * so long as all callers are assured to have free tx slots
  402. * (such as after tg3_init_hw)
  403. */
  404. netif_poll_enable(tp->dev);
  405. tg3_cond_int(tp);
  406. }
  407. static void tg3_switch_clocks(struct tg3 *tp)
  408. {
  409. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
  410. u32 orig_clock_ctrl;
  411. orig_clock_ctrl = clock_ctrl;
  412. clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
  413. CLOCK_CTRL_CLKRUN_OENABLE |
  414. 0x1f);
  415. tp->pci_clock_ctrl = clock_ctrl;
  416. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  417. if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
  418. tw32_f(TG3PCI_CLOCK_CTRL,
  419. clock_ctrl | CLOCK_CTRL_625_CORE);
  420. udelay(40);
  421. }
  422. } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
  423. tw32_f(TG3PCI_CLOCK_CTRL,
  424. clock_ctrl |
  425. (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK));
  426. udelay(40);
  427. tw32_f(TG3PCI_CLOCK_CTRL,
  428. clock_ctrl | (CLOCK_CTRL_ALTCLK));
  429. udelay(40);
  430. }
  431. tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl);
  432. udelay(40);
  433. }
  434. #define PHY_BUSY_LOOPS 5000
  435. static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  436. {
  437. u32 frame_val;
  438. unsigned int loops;
  439. int ret;
  440. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  441. tw32_f(MAC_MI_MODE,
  442. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  443. udelay(80);
  444. }
  445. *val = 0x0;
  446. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  447. MI_COM_PHY_ADDR_MASK);
  448. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  449. MI_COM_REG_ADDR_MASK);
  450. frame_val |= (MI_COM_CMD_READ | MI_COM_START);
  451. tw32_f(MAC_MI_COM, frame_val);
  452. loops = PHY_BUSY_LOOPS;
  453. while (loops != 0) {
  454. udelay(10);
  455. frame_val = tr32(MAC_MI_COM);
  456. if ((frame_val & MI_COM_BUSY) == 0) {
  457. udelay(5);
  458. frame_val = tr32(MAC_MI_COM);
  459. break;
  460. }
  461. loops -= 1;
  462. }
  463. ret = -EBUSY;
  464. if (loops != 0) {
  465. *val = frame_val & MI_COM_DATA_MASK;
  466. ret = 0;
  467. }
  468. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  469. tw32_f(MAC_MI_MODE, tp->mi_mode);
  470. udelay(80);
  471. }
  472. return ret;
  473. }
  474. static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  475. {
  476. u32 frame_val;
  477. unsigned int loops;
  478. int ret;
  479. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  480. tw32_f(MAC_MI_MODE,
  481. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  482. udelay(80);
  483. }
  484. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  485. MI_COM_PHY_ADDR_MASK);
  486. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  487. MI_COM_REG_ADDR_MASK);
  488. frame_val |= (val & MI_COM_DATA_MASK);
  489. frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
  490. tw32_f(MAC_MI_COM, frame_val);
  491. loops = PHY_BUSY_LOOPS;
  492. while (loops != 0) {
  493. udelay(10);
  494. frame_val = tr32(MAC_MI_COM);
  495. if ((frame_val & MI_COM_BUSY) == 0) {
  496. udelay(5);
  497. frame_val = tr32(MAC_MI_COM);
  498. break;
  499. }
  500. loops -= 1;
  501. }
  502. ret = -EBUSY;
  503. if (loops != 0)
  504. ret = 0;
  505. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  506. tw32_f(MAC_MI_MODE, tp->mi_mode);
  507. udelay(80);
  508. }
  509. return ret;
  510. }
  511. static void tg3_phy_set_wirespeed(struct tg3 *tp)
  512. {
  513. u32 val;
  514. if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
  515. return;
  516. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
  517. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
  518. tg3_writephy(tp, MII_TG3_AUX_CTRL,
  519. (val | (1 << 15) | (1 << 4)));
  520. }
  521. static int tg3_bmcr_reset(struct tg3 *tp)
  522. {
  523. u32 phy_control;
  524. int limit, err;
  525. /* OK, reset it, and poll the BMCR_RESET bit until it
  526. * clears or we time out.
  527. */
  528. phy_control = BMCR_RESET;
  529. err = tg3_writephy(tp, MII_BMCR, phy_control);
  530. if (err != 0)
  531. return -EBUSY;
  532. limit = 5000;
  533. while (limit--) {
  534. err = tg3_readphy(tp, MII_BMCR, &phy_control);
  535. if (err != 0)
  536. return -EBUSY;
  537. if ((phy_control & BMCR_RESET) == 0) {
  538. udelay(40);
  539. break;
  540. }
  541. udelay(10);
  542. }
  543. if (limit <= 0)
  544. return -EBUSY;
  545. return 0;
  546. }
  547. static int tg3_wait_macro_done(struct tg3 *tp)
  548. {
  549. int limit = 100;
  550. while (limit--) {
  551. u32 tmp32;
  552. if (!tg3_readphy(tp, 0x16, &tmp32)) {
  553. if ((tmp32 & 0x1000) == 0)
  554. break;
  555. }
  556. }
  557. if (limit <= 0)
  558. return -EBUSY;
  559. return 0;
  560. }
  561. static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
  562. {
  563. static const u32 test_pat[4][6] = {
  564. { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
  565. { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
  566. { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
  567. { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
  568. };
  569. int chan;
  570. for (chan = 0; chan < 4; chan++) {
  571. int i;
  572. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  573. (chan * 0x2000) | 0x0200);
  574. tg3_writephy(tp, 0x16, 0x0002);
  575. for (i = 0; i < 6; i++)
  576. tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
  577. test_pat[chan][i]);
  578. tg3_writephy(tp, 0x16, 0x0202);
  579. if (tg3_wait_macro_done(tp)) {
  580. *resetp = 1;
  581. return -EBUSY;
  582. }
  583. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  584. (chan * 0x2000) | 0x0200);
  585. tg3_writephy(tp, 0x16, 0x0082);
  586. if (tg3_wait_macro_done(tp)) {
  587. *resetp = 1;
  588. return -EBUSY;
  589. }
  590. tg3_writephy(tp, 0x16, 0x0802);
  591. if (tg3_wait_macro_done(tp)) {
  592. *resetp = 1;
  593. return -EBUSY;
  594. }
  595. for (i = 0; i < 6; i += 2) {
  596. u32 low, high;
  597. if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
  598. tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
  599. tg3_wait_macro_done(tp)) {
  600. *resetp = 1;
  601. return -EBUSY;
  602. }
  603. low &= 0x7fff;
  604. high &= 0x000f;
  605. if (low != test_pat[chan][i] ||
  606. high != test_pat[chan][i+1]) {
  607. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
  608. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
  609. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
  610. return -EBUSY;
  611. }
  612. }
  613. }
  614. return 0;
  615. }
  616. static int tg3_phy_reset_chanpat(struct tg3 *tp)
  617. {
  618. int chan;
  619. for (chan = 0; chan < 4; chan++) {
  620. int i;
  621. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  622. (chan * 0x2000) | 0x0200);
  623. tg3_writephy(tp, 0x16, 0x0002);
  624. for (i = 0; i < 6; i++)
  625. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
  626. tg3_writephy(tp, 0x16, 0x0202);
  627. if (tg3_wait_macro_done(tp))
  628. return -EBUSY;
  629. }
  630. return 0;
  631. }
  632. static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
  633. {
  634. u32 reg32, phy9_orig;
  635. int retries, do_phy_reset, err;
  636. retries = 10;
  637. do_phy_reset = 1;
  638. do {
  639. if (do_phy_reset) {
  640. err = tg3_bmcr_reset(tp);
  641. if (err)
  642. return err;
  643. do_phy_reset = 0;
  644. }
  645. /* Disable transmitter and interrupt. */
  646. if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
  647. continue;
  648. reg32 |= 0x3000;
  649. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  650. /* Set full-duplex, 1000 mbps. */
  651. tg3_writephy(tp, MII_BMCR,
  652. BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
  653. /* Set to master mode. */
  654. if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
  655. continue;
  656. tg3_writephy(tp, MII_TG3_CTRL,
  657. (MII_TG3_CTRL_AS_MASTER |
  658. MII_TG3_CTRL_ENABLE_AS_MASTER));
  659. /* Enable SM_DSP_CLOCK and 6dB. */
  660. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  661. /* Block the PHY control access. */
  662. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  663. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
  664. err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
  665. if (!err)
  666. break;
  667. } while (--retries);
  668. err = tg3_phy_reset_chanpat(tp);
  669. if (err)
  670. return err;
  671. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  672. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
  673. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
  674. tg3_writephy(tp, 0x16, 0x0000);
  675. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  676. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  677. /* Set Extended packet length bit for jumbo frames */
  678. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
  679. }
  680. else {
  681. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  682. }
  683. tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
  684. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
  685. reg32 &= ~0x3000;
  686. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  687. } else if (!err)
  688. err = -EBUSY;
  689. return err;
  690. }
  691. /* This will reset the tigon3 PHY if there is no valid
  692. * link unless the FORCE argument is non-zero.
  693. */
  694. static int tg3_phy_reset(struct tg3 *tp)
  695. {
  696. u32 phy_status;
  697. int err;
  698. err = tg3_readphy(tp, MII_BMSR, &phy_status);
  699. err |= tg3_readphy(tp, MII_BMSR, &phy_status);
  700. if (err != 0)
  701. return -EBUSY;
  702. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  703. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  704. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  705. err = tg3_phy_reset_5703_4_5(tp);
  706. if (err)
  707. return err;
  708. goto out;
  709. }
  710. err = tg3_bmcr_reset(tp);
  711. if (err)
  712. return err;
  713. out:
  714. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
  715. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  716. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  717. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
  718. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  719. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
  720. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  721. }
  722. if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
  723. tg3_writephy(tp, 0x1c, 0x8d68);
  724. tg3_writephy(tp, 0x1c, 0x8d68);
  725. }
  726. if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
  727. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  728. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  729. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
  730. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  731. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
  732. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
  733. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
  734. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  735. }
  736. /* Set Extended packet length bit (bit 14) on all chips that */
  737. /* support jumbo frames */
  738. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  739. /* Cannot do read-modify-write on 5401 */
  740. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  741. } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  742. u32 phy_reg;
  743. /* Set bit 14 with read-modify-write to preserve other bits */
  744. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
  745. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
  746. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
  747. }
  748. /* Set phy register 0x10 bit 0 to high fifo elasticity to support
  749. * jumbo frames transmission.
  750. */
  751. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  752. u32 phy_reg;
  753. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
  754. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  755. phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
  756. }
  757. tg3_phy_set_wirespeed(tp);
  758. return 0;
  759. }
  760. static void tg3_frob_aux_power(struct tg3 *tp)
  761. {
  762. struct tg3 *tp_peer = tp;
  763. if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
  764. return;
  765. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  766. tp_peer = pci_get_drvdata(tp->pdev_peer);
  767. if (!tp_peer)
  768. BUG();
  769. }
  770. if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  771. (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
  772. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  773. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  774. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  775. (GRC_LCLCTRL_GPIO_OE0 |
  776. GRC_LCLCTRL_GPIO_OE1 |
  777. GRC_LCLCTRL_GPIO_OE2 |
  778. GRC_LCLCTRL_GPIO_OUTPUT0 |
  779. GRC_LCLCTRL_GPIO_OUTPUT1));
  780. udelay(100);
  781. } else {
  782. u32 no_gpio2;
  783. u32 grc_local_ctrl;
  784. if (tp_peer != tp &&
  785. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  786. return;
  787. /* On 5753 and variants, GPIO2 cannot be used. */
  788. no_gpio2 = tp->nic_sram_data_cfg &
  789. NIC_SRAM_DATA_CFG_NO_GPIO2;
  790. grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
  791. GRC_LCLCTRL_GPIO_OE1 |
  792. GRC_LCLCTRL_GPIO_OE2 |
  793. GRC_LCLCTRL_GPIO_OUTPUT1 |
  794. GRC_LCLCTRL_GPIO_OUTPUT2;
  795. if (no_gpio2) {
  796. grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
  797. GRC_LCLCTRL_GPIO_OUTPUT2);
  798. }
  799. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  800. grc_local_ctrl);
  801. udelay(100);
  802. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
  803. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  804. grc_local_ctrl);
  805. udelay(100);
  806. if (!no_gpio2) {
  807. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
  808. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  809. grc_local_ctrl);
  810. udelay(100);
  811. }
  812. }
  813. } else {
  814. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  815. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  816. if (tp_peer != tp &&
  817. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  818. return;
  819. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  820. (GRC_LCLCTRL_GPIO_OE1 |
  821. GRC_LCLCTRL_GPIO_OUTPUT1));
  822. udelay(100);
  823. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  824. (GRC_LCLCTRL_GPIO_OE1));
  825. udelay(100);
  826. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  827. (GRC_LCLCTRL_GPIO_OE1 |
  828. GRC_LCLCTRL_GPIO_OUTPUT1));
  829. udelay(100);
  830. }
  831. }
  832. }
  833. static int tg3_setup_phy(struct tg3 *, int);
  834. #define RESET_KIND_SHUTDOWN 0
  835. #define RESET_KIND_INIT 1
  836. #define RESET_KIND_SUSPEND 2
  837. static void tg3_write_sig_post_reset(struct tg3 *, int);
  838. static int tg3_halt_cpu(struct tg3 *, u32);
  839. static int tg3_set_power_state(struct tg3 *tp, int state)
  840. {
  841. u32 misc_host_ctrl;
  842. u16 power_control, power_caps;
  843. int pm = tp->pm_cap;
  844. /* Make sure register accesses (indirect or otherwise)
  845. * will function correctly.
  846. */
  847. pci_write_config_dword(tp->pdev,
  848. TG3PCI_MISC_HOST_CTRL,
  849. tp->misc_host_ctrl);
  850. pci_read_config_word(tp->pdev,
  851. pm + PCI_PM_CTRL,
  852. &power_control);
  853. power_control |= PCI_PM_CTRL_PME_STATUS;
  854. power_control &= ~(PCI_PM_CTRL_STATE_MASK);
  855. switch (state) {
  856. case 0:
  857. power_control |= 0;
  858. pci_write_config_word(tp->pdev,
  859. pm + PCI_PM_CTRL,
  860. power_control);
  861. udelay(100); /* Delay after power state change */
  862. /* Switch out of Vaux if it is not a LOM */
  863. if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
  864. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  865. udelay(100);
  866. }
  867. return 0;
  868. case 1:
  869. power_control |= 1;
  870. break;
  871. case 2:
  872. power_control |= 2;
  873. break;
  874. case 3:
  875. power_control |= 3;
  876. break;
  877. default:
  878. printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
  879. "requested.\n",
  880. tp->dev->name, state);
  881. return -EINVAL;
  882. };
  883. power_control |= PCI_PM_CTRL_PME_ENABLE;
  884. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  885. tw32(TG3PCI_MISC_HOST_CTRL,
  886. misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
  887. if (tp->link_config.phy_is_low_power == 0) {
  888. tp->link_config.phy_is_low_power = 1;
  889. tp->link_config.orig_speed = tp->link_config.speed;
  890. tp->link_config.orig_duplex = tp->link_config.duplex;
  891. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  892. }
  893. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  894. tp->link_config.speed = SPEED_10;
  895. tp->link_config.duplex = DUPLEX_HALF;
  896. tp->link_config.autoneg = AUTONEG_ENABLE;
  897. tg3_setup_phy(tp, 0);
  898. }
  899. pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
  900. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
  901. u32 mac_mode;
  902. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  903. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
  904. udelay(40);
  905. mac_mode = MAC_MODE_PORT_MODE_MII;
  906. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
  907. !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
  908. mac_mode |= MAC_MODE_LINK_POLARITY;
  909. } else {
  910. mac_mode = MAC_MODE_PORT_MODE_TBI;
  911. }
  912. if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  913. tw32(MAC_LED_CTRL, tp->led_ctrl);
  914. if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
  915. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
  916. mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
  917. tw32_f(MAC_MODE, mac_mode);
  918. udelay(100);
  919. tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
  920. udelay(10);
  921. }
  922. if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
  923. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  924. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  925. u32 base_val;
  926. base_val = tp->pci_clock_ctrl;
  927. base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
  928. CLOCK_CTRL_TXCLK_DISABLE);
  929. tw32_f(TG3PCI_CLOCK_CTRL, base_val |
  930. CLOCK_CTRL_ALTCLK |
  931. CLOCK_CTRL_PWRDOWN_PLL133);
  932. udelay(40);
  933. } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  934. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
  935. u32 newbits1, newbits2;
  936. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  937. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  938. newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
  939. CLOCK_CTRL_TXCLK_DISABLE |
  940. CLOCK_CTRL_ALTCLK);
  941. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  942. } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  943. newbits1 = CLOCK_CTRL_625_CORE;
  944. newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
  945. } else {
  946. newbits1 = CLOCK_CTRL_ALTCLK;
  947. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  948. }
  949. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1);
  950. udelay(40);
  951. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2);
  952. udelay(40);
  953. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  954. u32 newbits3;
  955. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  956. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  957. newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
  958. CLOCK_CTRL_TXCLK_DISABLE |
  959. CLOCK_CTRL_44MHZ_CORE);
  960. } else {
  961. newbits3 = CLOCK_CTRL_44MHZ_CORE;
  962. }
  963. tw32_f(TG3PCI_CLOCK_CTRL,
  964. tp->pci_clock_ctrl | newbits3);
  965. udelay(40);
  966. }
  967. }
  968. tg3_frob_aux_power(tp);
  969. /* Workaround for unstable PLL clock */
  970. if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  971. (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  972. u32 val = tr32(0x7d00);
  973. val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  974. tw32(0x7d00, val);
  975. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  976. tg3_halt_cpu(tp, RX_CPU_BASE);
  977. }
  978. /* Finally, set the new power state. */
  979. pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
  980. udelay(100); /* Delay after power state change */
  981. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  982. return 0;
  983. }
  984. static void tg3_link_report(struct tg3 *tp)
  985. {
  986. if (!netif_carrier_ok(tp->dev)) {
  987. printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
  988. } else {
  989. printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
  990. tp->dev->name,
  991. (tp->link_config.active_speed == SPEED_1000 ?
  992. 1000 :
  993. (tp->link_config.active_speed == SPEED_100 ?
  994. 100 : 10)),
  995. (tp->link_config.active_duplex == DUPLEX_FULL ?
  996. "full" : "half"));
  997. printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
  998. "%s for RX.\n",
  999. tp->dev->name,
  1000. (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
  1001. (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
  1002. }
  1003. }
  1004. static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
  1005. {
  1006. u32 new_tg3_flags = 0;
  1007. u32 old_rx_mode = tp->rx_mode;
  1008. u32 old_tx_mode = tp->tx_mode;
  1009. if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
  1010. if (local_adv & ADVERTISE_PAUSE_CAP) {
  1011. if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1012. if (remote_adv & LPA_PAUSE_CAP)
  1013. new_tg3_flags |=
  1014. (TG3_FLAG_RX_PAUSE |
  1015. TG3_FLAG_TX_PAUSE);
  1016. else if (remote_adv & LPA_PAUSE_ASYM)
  1017. new_tg3_flags |=
  1018. (TG3_FLAG_RX_PAUSE);
  1019. } else {
  1020. if (remote_adv & LPA_PAUSE_CAP)
  1021. new_tg3_flags |=
  1022. (TG3_FLAG_RX_PAUSE |
  1023. TG3_FLAG_TX_PAUSE);
  1024. }
  1025. } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1026. if ((remote_adv & LPA_PAUSE_CAP) &&
  1027. (remote_adv & LPA_PAUSE_ASYM))
  1028. new_tg3_flags |= TG3_FLAG_TX_PAUSE;
  1029. }
  1030. tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
  1031. tp->tg3_flags |= new_tg3_flags;
  1032. } else {
  1033. new_tg3_flags = tp->tg3_flags;
  1034. }
  1035. if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
  1036. tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
  1037. else
  1038. tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
  1039. if (old_rx_mode != tp->rx_mode) {
  1040. tw32_f(MAC_RX_MODE, tp->rx_mode);
  1041. }
  1042. if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
  1043. tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
  1044. else
  1045. tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
  1046. if (old_tx_mode != tp->tx_mode) {
  1047. tw32_f(MAC_TX_MODE, tp->tx_mode);
  1048. }
  1049. }
  1050. static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
  1051. {
  1052. switch (val & MII_TG3_AUX_STAT_SPDMASK) {
  1053. case MII_TG3_AUX_STAT_10HALF:
  1054. *speed = SPEED_10;
  1055. *duplex = DUPLEX_HALF;
  1056. break;
  1057. case MII_TG3_AUX_STAT_10FULL:
  1058. *speed = SPEED_10;
  1059. *duplex = DUPLEX_FULL;
  1060. break;
  1061. case MII_TG3_AUX_STAT_100HALF:
  1062. *speed = SPEED_100;
  1063. *duplex = DUPLEX_HALF;
  1064. break;
  1065. case MII_TG3_AUX_STAT_100FULL:
  1066. *speed = SPEED_100;
  1067. *duplex = DUPLEX_FULL;
  1068. break;
  1069. case MII_TG3_AUX_STAT_1000HALF:
  1070. *speed = SPEED_1000;
  1071. *duplex = DUPLEX_HALF;
  1072. break;
  1073. case MII_TG3_AUX_STAT_1000FULL:
  1074. *speed = SPEED_1000;
  1075. *duplex = DUPLEX_FULL;
  1076. break;
  1077. default:
  1078. *speed = SPEED_INVALID;
  1079. *duplex = DUPLEX_INVALID;
  1080. break;
  1081. };
  1082. }
  1083. static void tg3_phy_copper_begin(struct tg3 *tp)
  1084. {
  1085. u32 new_adv;
  1086. int i;
  1087. if (tp->link_config.phy_is_low_power) {
  1088. /* Entering low power mode. Disable gigabit and
  1089. * 100baseT advertisements.
  1090. */
  1091. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1092. new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1093. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1094. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1095. new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
  1096. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1097. } else if (tp->link_config.speed == SPEED_INVALID) {
  1098. tp->link_config.advertising =
  1099. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  1100. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  1101. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  1102. ADVERTISED_Autoneg | ADVERTISED_MII);
  1103. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  1104. tp->link_config.advertising &=
  1105. ~(ADVERTISED_1000baseT_Half |
  1106. ADVERTISED_1000baseT_Full);
  1107. new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1108. if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
  1109. new_adv |= ADVERTISE_10HALF;
  1110. if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
  1111. new_adv |= ADVERTISE_10FULL;
  1112. if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
  1113. new_adv |= ADVERTISE_100HALF;
  1114. if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
  1115. new_adv |= ADVERTISE_100FULL;
  1116. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1117. if (tp->link_config.advertising &
  1118. (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
  1119. new_adv = 0;
  1120. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  1121. new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
  1122. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  1123. new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
  1124. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
  1125. (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1126. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
  1127. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1128. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1129. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1130. } else {
  1131. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1132. }
  1133. } else {
  1134. /* Asking for a specific link mode. */
  1135. if (tp->link_config.speed == SPEED_1000) {
  1136. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1137. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1138. if (tp->link_config.duplex == DUPLEX_FULL)
  1139. new_adv = MII_TG3_CTRL_ADV_1000_FULL;
  1140. else
  1141. new_adv = MII_TG3_CTRL_ADV_1000_HALF;
  1142. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1143. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  1144. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1145. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1146. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1147. } else {
  1148. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1149. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1150. if (tp->link_config.speed == SPEED_100) {
  1151. if (tp->link_config.duplex == DUPLEX_FULL)
  1152. new_adv |= ADVERTISE_100FULL;
  1153. else
  1154. new_adv |= ADVERTISE_100HALF;
  1155. } else {
  1156. if (tp->link_config.duplex == DUPLEX_FULL)
  1157. new_adv |= ADVERTISE_10FULL;
  1158. else
  1159. new_adv |= ADVERTISE_10HALF;
  1160. }
  1161. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1162. }
  1163. }
  1164. if (tp->link_config.autoneg == AUTONEG_DISABLE &&
  1165. tp->link_config.speed != SPEED_INVALID) {
  1166. u32 bmcr, orig_bmcr;
  1167. tp->link_config.active_speed = tp->link_config.speed;
  1168. tp->link_config.active_duplex = tp->link_config.duplex;
  1169. bmcr = 0;
  1170. switch (tp->link_config.speed) {
  1171. default:
  1172. case SPEED_10:
  1173. break;
  1174. case SPEED_100:
  1175. bmcr |= BMCR_SPEED100;
  1176. break;
  1177. case SPEED_1000:
  1178. bmcr |= TG3_BMCR_SPEED1000;
  1179. break;
  1180. };
  1181. if (tp->link_config.duplex == DUPLEX_FULL)
  1182. bmcr |= BMCR_FULLDPLX;
  1183. if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
  1184. (bmcr != orig_bmcr)) {
  1185. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
  1186. for (i = 0; i < 1500; i++) {
  1187. u32 tmp;
  1188. udelay(10);
  1189. if (tg3_readphy(tp, MII_BMSR, &tmp) ||
  1190. tg3_readphy(tp, MII_BMSR, &tmp))
  1191. continue;
  1192. if (!(tmp & BMSR_LSTATUS)) {
  1193. udelay(40);
  1194. break;
  1195. }
  1196. }
  1197. tg3_writephy(tp, MII_BMCR, bmcr);
  1198. udelay(40);
  1199. }
  1200. } else {
  1201. tg3_writephy(tp, MII_BMCR,
  1202. BMCR_ANENABLE | BMCR_ANRESTART);
  1203. }
  1204. }
  1205. static int tg3_init_5401phy_dsp(struct tg3 *tp)
  1206. {
  1207. int err;
  1208. /* Turn off tap power management. */
  1209. /* Set Extended packet length bit */
  1210. err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  1211. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
  1212. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
  1213. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
  1214. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
  1215. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1216. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
  1217. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1218. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
  1219. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1220. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
  1221. udelay(40);
  1222. return err;
  1223. }
  1224. static int tg3_copper_is_advertising_all(struct tg3 *tp)
  1225. {
  1226. u32 adv_reg, all_mask;
  1227. if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
  1228. return 0;
  1229. all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1230. ADVERTISE_100HALF | ADVERTISE_100FULL);
  1231. if ((adv_reg & all_mask) != all_mask)
  1232. return 0;
  1233. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  1234. u32 tg3_ctrl;
  1235. if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
  1236. return 0;
  1237. all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
  1238. MII_TG3_CTRL_ADV_1000_FULL);
  1239. if ((tg3_ctrl & all_mask) != all_mask)
  1240. return 0;
  1241. }
  1242. return 1;
  1243. }
  1244. static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
  1245. {
  1246. int current_link_up;
  1247. u32 bmsr, dummy;
  1248. u16 current_speed;
  1249. u8 current_duplex;
  1250. int i, err;
  1251. tw32(MAC_EVENT, 0);
  1252. tw32_f(MAC_STATUS,
  1253. (MAC_STATUS_SYNC_CHANGED |
  1254. MAC_STATUS_CFG_CHANGED |
  1255. MAC_STATUS_MI_COMPLETION |
  1256. MAC_STATUS_LNKSTATE_CHANGED));
  1257. udelay(40);
  1258. tp->mi_mode = MAC_MI_MODE_BASE;
  1259. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1260. udelay(80);
  1261. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
  1262. /* Some third-party PHYs need to be reset on link going
  1263. * down.
  1264. */
  1265. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1266. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1267. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  1268. netif_carrier_ok(tp->dev)) {
  1269. tg3_readphy(tp, MII_BMSR, &bmsr);
  1270. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1271. !(bmsr & BMSR_LSTATUS))
  1272. force_reset = 1;
  1273. }
  1274. if (force_reset)
  1275. tg3_phy_reset(tp);
  1276. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  1277. tg3_readphy(tp, MII_BMSR, &bmsr);
  1278. if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
  1279. !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
  1280. bmsr = 0;
  1281. if (!(bmsr & BMSR_LSTATUS)) {
  1282. err = tg3_init_5401phy_dsp(tp);
  1283. if (err)
  1284. return err;
  1285. tg3_readphy(tp, MII_BMSR, &bmsr);
  1286. for (i = 0; i < 1000; i++) {
  1287. udelay(10);
  1288. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1289. (bmsr & BMSR_LSTATUS)) {
  1290. udelay(40);
  1291. break;
  1292. }
  1293. }
  1294. if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
  1295. !(bmsr & BMSR_LSTATUS) &&
  1296. tp->link_config.active_speed == SPEED_1000) {
  1297. err = tg3_phy_reset(tp);
  1298. if (!err)
  1299. err = tg3_init_5401phy_dsp(tp);
  1300. if (err)
  1301. return err;
  1302. }
  1303. }
  1304. } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1305. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
  1306. /* 5701 {A0,B0} CRC bug workaround */
  1307. tg3_writephy(tp, 0x15, 0x0a75);
  1308. tg3_writephy(tp, 0x1c, 0x8c68);
  1309. tg3_writephy(tp, 0x1c, 0x8d68);
  1310. tg3_writephy(tp, 0x1c, 0x8c68);
  1311. }
  1312. /* Clear pending interrupts... */
  1313. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1314. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1315. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
  1316. tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
  1317. else
  1318. tg3_writephy(tp, MII_TG3_IMASK, ~0);
  1319. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1320. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1321. if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
  1322. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1323. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  1324. else
  1325. tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
  1326. }
  1327. current_link_up = 0;
  1328. current_speed = SPEED_INVALID;
  1329. current_duplex = DUPLEX_INVALID;
  1330. if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
  1331. u32 val;
  1332. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
  1333. tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
  1334. if (!(val & (1 << 10))) {
  1335. val |= (1 << 10);
  1336. tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
  1337. goto relink;
  1338. }
  1339. }
  1340. bmsr = 0;
  1341. for (i = 0; i < 100; i++) {
  1342. tg3_readphy(tp, MII_BMSR, &bmsr);
  1343. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1344. (bmsr & BMSR_LSTATUS))
  1345. break;
  1346. udelay(40);
  1347. }
  1348. if (bmsr & BMSR_LSTATUS) {
  1349. u32 aux_stat, bmcr;
  1350. tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
  1351. for (i = 0; i < 2000; i++) {
  1352. udelay(10);
  1353. if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
  1354. aux_stat)
  1355. break;
  1356. }
  1357. tg3_aux_stat_to_speed_duplex(tp, aux_stat,
  1358. &current_speed,
  1359. &current_duplex);
  1360. bmcr = 0;
  1361. for (i = 0; i < 200; i++) {
  1362. tg3_readphy(tp, MII_BMCR, &bmcr);
  1363. if (tg3_readphy(tp, MII_BMCR, &bmcr))
  1364. continue;
  1365. if (bmcr && bmcr != 0x7fff)
  1366. break;
  1367. udelay(10);
  1368. }
  1369. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  1370. if (bmcr & BMCR_ANENABLE) {
  1371. current_link_up = 1;
  1372. /* Force autoneg restart if we are exiting
  1373. * low power mode.
  1374. */
  1375. if (!tg3_copper_is_advertising_all(tp))
  1376. current_link_up = 0;
  1377. } else {
  1378. current_link_up = 0;
  1379. }
  1380. } else {
  1381. if (!(bmcr & BMCR_ANENABLE) &&
  1382. tp->link_config.speed == current_speed &&
  1383. tp->link_config.duplex == current_duplex) {
  1384. current_link_up = 1;
  1385. } else {
  1386. current_link_up = 0;
  1387. }
  1388. }
  1389. tp->link_config.active_speed = current_speed;
  1390. tp->link_config.active_duplex = current_duplex;
  1391. }
  1392. if (current_link_up == 1 &&
  1393. (tp->link_config.active_duplex == DUPLEX_FULL) &&
  1394. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  1395. u32 local_adv, remote_adv;
  1396. if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
  1397. local_adv = 0;
  1398. local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
  1399. if (tg3_readphy(tp, MII_LPA, &remote_adv))
  1400. remote_adv = 0;
  1401. remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1402. /* If we are not advertising full pause capability,
  1403. * something is wrong. Bring the link down and reconfigure.
  1404. */
  1405. if (local_adv != ADVERTISE_PAUSE_CAP) {
  1406. current_link_up = 0;
  1407. } else {
  1408. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1409. }
  1410. }
  1411. relink:
  1412. if (current_link_up == 0) {
  1413. u32 tmp;
  1414. tg3_phy_copper_begin(tp);
  1415. tg3_readphy(tp, MII_BMSR, &tmp);
  1416. if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
  1417. (tmp & BMSR_LSTATUS))
  1418. current_link_up = 1;
  1419. }
  1420. tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
  1421. if (current_link_up == 1) {
  1422. if (tp->link_config.active_speed == SPEED_100 ||
  1423. tp->link_config.active_speed == SPEED_10)
  1424. tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
  1425. else
  1426. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1427. } else
  1428. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1429. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  1430. if (tp->link_config.active_duplex == DUPLEX_HALF)
  1431. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  1432. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  1433. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  1434. if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
  1435. (current_link_up == 1 &&
  1436. tp->link_config.active_speed == SPEED_10))
  1437. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1438. } else {
  1439. if (current_link_up == 1)
  1440. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1441. }
  1442. /* ??? Without this setting Netgear GA302T PHY does not
  1443. * ??? send/receive packets...
  1444. */
  1445. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
  1446. tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
  1447. tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
  1448. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1449. udelay(80);
  1450. }
  1451. tw32_f(MAC_MODE, tp->mac_mode);
  1452. udelay(40);
  1453. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  1454. /* Polled via timer. */
  1455. tw32_f(MAC_EVENT, 0);
  1456. } else {
  1457. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  1458. }
  1459. udelay(40);
  1460. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
  1461. current_link_up == 1 &&
  1462. tp->link_config.active_speed == SPEED_1000 &&
  1463. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
  1464. (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
  1465. udelay(120);
  1466. tw32_f(MAC_STATUS,
  1467. (MAC_STATUS_SYNC_CHANGED |
  1468. MAC_STATUS_CFG_CHANGED));
  1469. udelay(40);
  1470. tg3_write_mem(tp,
  1471. NIC_SRAM_FIRMWARE_MBOX,
  1472. NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
  1473. }
  1474. if (current_link_up != netif_carrier_ok(tp->dev)) {
  1475. if (current_link_up)
  1476. netif_carrier_on(tp->dev);
  1477. else
  1478. netif_carrier_off(tp->dev);
  1479. tg3_link_report(tp);
  1480. }
  1481. return 0;
  1482. }
  1483. struct tg3_fiber_aneginfo {
  1484. int state;
  1485. #define ANEG_STATE_UNKNOWN 0
  1486. #define ANEG_STATE_AN_ENABLE 1
  1487. #define ANEG_STATE_RESTART_INIT 2
  1488. #define ANEG_STATE_RESTART 3
  1489. #define ANEG_STATE_DISABLE_LINK_OK 4
  1490. #define ANEG_STATE_ABILITY_DETECT_INIT 5
  1491. #define ANEG_STATE_ABILITY_DETECT 6
  1492. #define ANEG_STATE_ACK_DETECT_INIT 7
  1493. #define ANEG_STATE_ACK_DETECT 8
  1494. #define ANEG_STATE_COMPLETE_ACK_INIT 9
  1495. #define ANEG_STATE_COMPLETE_ACK 10
  1496. #define ANEG_STATE_IDLE_DETECT_INIT 11
  1497. #define ANEG_STATE_IDLE_DETECT 12
  1498. #define ANEG_STATE_LINK_OK 13
  1499. #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
  1500. #define ANEG_STATE_NEXT_PAGE_WAIT 15
  1501. u32 flags;
  1502. #define MR_AN_ENABLE 0x00000001
  1503. #define MR_RESTART_AN 0x00000002
  1504. #define MR_AN_COMPLETE 0x00000004
  1505. #define MR_PAGE_RX 0x00000008
  1506. #define MR_NP_LOADED 0x00000010
  1507. #define MR_TOGGLE_TX 0x00000020
  1508. #define MR_LP_ADV_FULL_DUPLEX 0x00000040
  1509. #define MR_LP_ADV_HALF_DUPLEX 0x00000080
  1510. #define MR_LP_ADV_SYM_PAUSE 0x00000100
  1511. #define MR_LP_ADV_ASYM_PAUSE 0x00000200
  1512. #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
  1513. #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
  1514. #define MR_LP_ADV_NEXT_PAGE 0x00001000
  1515. #define MR_TOGGLE_RX 0x00002000
  1516. #define MR_NP_RX 0x00004000
  1517. #define MR_LINK_OK 0x80000000
  1518. unsigned long link_time, cur_time;
  1519. u32 ability_match_cfg;
  1520. int ability_match_count;
  1521. char ability_match, idle_match, ack_match;
  1522. u32 txconfig, rxconfig;
  1523. #define ANEG_CFG_NP 0x00000080
  1524. #define ANEG_CFG_ACK 0x00000040
  1525. #define ANEG_CFG_RF2 0x00000020
  1526. #define ANEG_CFG_RF1 0x00000010
  1527. #define ANEG_CFG_PS2 0x00000001
  1528. #define ANEG_CFG_PS1 0x00008000
  1529. #define ANEG_CFG_HD 0x00004000
  1530. #define ANEG_CFG_FD 0x00002000
  1531. #define ANEG_CFG_INVAL 0x00001f06
  1532. };
  1533. #define ANEG_OK 0
  1534. #define ANEG_DONE 1
  1535. #define ANEG_TIMER_ENAB 2
  1536. #define ANEG_FAILED -1
  1537. #define ANEG_STATE_SETTLE_TIME 10000
  1538. static int tg3_fiber_aneg_smachine(struct tg3 *tp,
  1539. struct tg3_fiber_aneginfo *ap)
  1540. {
  1541. unsigned long delta;
  1542. u32 rx_cfg_reg;
  1543. int ret;
  1544. if (ap->state == ANEG_STATE_UNKNOWN) {
  1545. ap->rxconfig = 0;
  1546. ap->link_time = 0;
  1547. ap->cur_time = 0;
  1548. ap->ability_match_cfg = 0;
  1549. ap->ability_match_count = 0;
  1550. ap->ability_match = 0;
  1551. ap->idle_match = 0;
  1552. ap->ack_match = 0;
  1553. }
  1554. ap->cur_time++;
  1555. if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
  1556. rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
  1557. if (rx_cfg_reg != ap->ability_match_cfg) {
  1558. ap->ability_match_cfg = rx_cfg_reg;
  1559. ap->ability_match = 0;
  1560. ap->ability_match_count = 0;
  1561. } else {
  1562. if (++ap->ability_match_count > 1) {
  1563. ap->ability_match = 1;
  1564. ap->ability_match_cfg = rx_cfg_reg;
  1565. }
  1566. }
  1567. if (rx_cfg_reg & ANEG_CFG_ACK)
  1568. ap->ack_match = 1;
  1569. else
  1570. ap->ack_match = 0;
  1571. ap->idle_match = 0;
  1572. } else {
  1573. ap->idle_match = 1;
  1574. ap->ability_match_cfg = 0;
  1575. ap->ability_match_count = 0;
  1576. ap->ability_match = 0;
  1577. ap->ack_match = 0;
  1578. rx_cfg_reg = 0;
  1579. }
  1580. ap->rxconfig = rx_cfg_reg;
  1581. ret = ANEG_OK;
  1582. switch(ap->state) {
  1583. case ANEG_STATE_UNKNOWN:
  1584. if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
  1585. ap->state = ANEG_STATE_AN_ENABLE;
  1586. /* fallthru */
  1587. case ANEG_STATE_AN_ENABLE:
  1588. ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
  1589. if (ap->flags & MR_AN_ENABLE) {
  1590. ap->link_time = 0;
  1591. ap->cur_time = 0;
  1592. ap->ability_match_cfg = 0;
  1593. ap->ability_match_count = 0;
  1594. ap->ability_match = 0;
  1595. ap->idle_match = 0;
  1596. ap->ack_match = 0;
  1597. ap->state = ANEG_STATE_RESTART_INIT;
  1598. } else {
  1599. ap->state = ANEG_STATE_DISABLE_LINK_OK;
  1600. }
  1601. break;
  1602. case ANEG_STATE_RESTART_INIT:
  1603. ap->link_time = ap->cur_time;
  1604. ap->flags &= ~(MR_NP_LOADED);
  1605. ap->txconfig = 0;
  1606. tw32(MAC_TX_AUTO_NEG, 0);
  1607. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1608. tw32_f(MAC_MODE, tp->mac_mode);
  1609. udelay(40);
  1610. ret = ANEG_TIMER_ENAB;
  1611. ap->state = ANEG_STATE_RESTART;
  1612. /* fallthru */
  1613. case ANEG_STATE_RESTART:
  1614. delta = ap->cur_time - ap->link_time;
  1615. if (delta > ANEG_STATE_SETTLE_TIME) {
  1616. ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
  1617. } else {
  1618. ret = ANEG_TIMER_ENAB;
  1619. }
  1620. break;
  1621. case ANEG_STATE_DISABLE_LINK_OK:
  1622. ret = ANEG_DONE;
  1623. break;
  1624. case ANEG_STATE_ABILITY_DETECT_INIT:
  1625. ap->flags &= ~(MR_TOGGLE_TX);
  1626. ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
  1627. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1628. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1629. tw32_f(MAC_MODE, tp->mac_mode);
  1630. udelay(40);
  1631. ap->state = ANEG_STATE_ABILITY_DETECT;
  1632. break;
  1633. case ANEG_STATE_ABILITY_DETECT:
  1634. if (ap->ability_match != 0 && ap->rxconfig != 0) {
  1635. ap->state = ANEG_STATE_ACK_DETECT_INIT;
  1636. }
  1637. break;
  1638. case ANEG_STATE_ACK_DETECT_INIT:
  1639. ap->txconfig |= ANEG_CFG_ACK;
  1640. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1641. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1642. tw32_f(MAC_MODE, tp->mac_mode);
  1643. udelay(40);
  1644. ap->state = ANEG_STATE_ACK_DETECT;
  1645. /* fallthru */
  1646. case ANEG_STATE_ACK_DETECT:
  1647. if (ap->ack_match != 0) {
  1648. if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
  1649. (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
  1650. ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
  1651. } else {
  1652. ap->state = ANEG_STATE_AN_ENABLE;
  1653. }
  1654. } else if (ap->ability_match != 0 &&
  1655. ap->rxconfig == 0) {
  1656. ap->state = ANEG_STATE_AN_ENABLE;
  1657. }
  1658. break;
  1659. case ANEG_STATE_COMPLETE_ACK_INIT:
  1660. if (ap->rxconfig & ANEG_CFG_INVAL) {
  1661. ret = ANEG_FAILED;
  1662. break;
  1663. }
  1664. ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
  1665. MR_LP_ADV_HALF_DUPLEX |
  1666. MR_LP_ADV_SYM_PAUSE |
  1667. MR_LP_ADV_ASYM_PAUSE |
  1668. MR_LP_ADV_REMOTE_FAULT1 |
  1669. MR_LP_ADV_REMOTE_FAULT2 |
  1670. MR_LP_ADV_NEXT_PAGE |
  1671. MR_TOGGLE_RX |
  1672. MR_NP_RX);
  1673. if (ap->rxconfig & ANEG_CFG_FD)
  1674. ap->flags |= MR_LP_ADV_FULL_DUPLEX;
  1675. if (ap->rxconfig & ANEG_CFG_HD)
  1676. ap->flags |= MR_LP_ADV_HALF_DUPLEX;
  1677. if (ap->rxconfig & ANEG_CFG_PS1)
  1678. ap->flags |= MR_LP_ADV_SYM_PAUSE;
  1679. if (ap->rxconfig & ANEG_CFG_PS2)
  1680. ap->flags |= MR_LP_ADV_ASYM_PAUSE;
  1681. if (ap->rxconfig & ANEG_CFG_RF1)
  1682. ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
  1683. if (ap->rxconfig & ANEG_CFG_RF2)
  1684. ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
  1685. if (ap->rxconfig & ANEG_CFG_NP)
  1686. ap->flags |= MR_LP_ADV_NEXT_PAGE;
  1687. ap->link_time = ap->cur_time;
  1688. ap->flags ^= (MR_TOGGLE_TX);
  1689. if (ap->rxconfig & 0x0008)
  1690. ap->flags |= MR_TOGGLE_RX;
  1691. if (ap->rxconfig & ANEG_CFG_NP)
  1692. ap->flags |= MR_NP_RX;
  1693. ap->flags |= MR_PAGE_RX;
  1694. ap->state = ANEG_STATE_COMPLETE_ACK;
  1695. ret = ANEG_TIMER_ENAB;
  1696. break;
  1697. case ANEG_STATE_COMPLETE_ACK:
  1698. if (ap->ability_match != 0 &&
  1699. ap->rxconfig == 0) {
  1700. ap->state = ANEG_STATE_AN_ENABLE;
  1701. break;
  1702. }
  1703. delta = ap->cur_time - ap->link_time;
  1704. if (delta > ANEG_STATE_SETTLE_TIME) {
  1705. if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
  1706. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1707. } else {
  1708. if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
  1709. !(ap->flags & MR_NP_RX)) {
  1710. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1711. } else {
  1712. ret = ANEG_FAILED;
  1713. }
  1714. }
  1715. }
  1716. break;
  1717. case ANEG_STATE_IDLE_DETECT_INIT:
  1718. ap->link_time = ap->cur_time;
  1719. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1720. tw32_f(MAC_MODE, tp->mac_mode);
  1721. udelay(40);
  1722. ap->state = ANEG_STATE_IDLE_DETECT;
  1723. ret = ANEG_TIMER_ENAB;
  1724. break;
  1725. case ANEG_STATE_IDLE_DETECT:
  1726. if (ap->ability_match != 0 &&
  1727. ap->rxconfig == 0) {
  1728. ap->state = ANEG_STATE_AN_ENABLE;
  1729. break;
  1730. }
  1731. delta = ap->cur_time - ap->link_time;
  1732. if (delta > ANEG_STATE_SETTLE_TIME) {
  1733. /* XXX another gem from the Broadcom driver :( */
  1734. ap->state = ANEG_STATE_LINK_OK;
  1735. }
  1736. break;
  1737. case ANEG_STATE_LINK_OK:
  1738. ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
  1739. ret = ANEG_DONE;
  1740. break;
  1741. case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
  1742. /* ??? unimplemented */
  1743. break;
  1744. case ANEG_STATE_NEXT_PAGE_WAIT:
  1745. /* ??? unimplemented */
  1746. break;
  1747. default:
  1748. ret = ANEG_FAILED;
  1749. break;
  1750. };
  1751. return ret;
  1752. }
  1753. static int fiber_autoneg(struct tg3 *tp, u32 *flags)
  1754. {
  1755. int res = 0;
  1756. struct tg3_fiber_aneginfo aninfo;
  1757. int status = ANEG_FAILED;
  1758. unsigned int tick;
  1759. u32 tmp;
  1760. tw32_f(MAC_TX_AUTO_NEG, 0);
  1761. tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  1762. tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
  1763. udelay(40);
  1764. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
  1765. udelay(40);
  1766. memset(&aninfo, 0, sizeof(aninfo));
  1767. aninfo.flags |= MR_AN_ENABLE;
  1768. aninfo.state = ANEG_STATE_UNKNOWN;
  1769. aninfo.cur_time = 0;
  1770. tick = 0;
  1771. while (++tick < 195000) {
  1772. status = tg3_fiber_aneg_smachine(tp, &aninfo);
  1773. if (status == ANEG_DONE || status == ANEG_FAILED)
  1774. break;
  1775. udelay(1);
  1776. }
  1777. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1778. tw32_f(MAC_MODE, tp->mac_mode);
  1779. udelay(40);
  1780. *flags = aninfo.flags;
  1781. if (status == ANEG_DONE &&
  1782. (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
  1783. MR_LP_ADV_FULL_DUPLEX)))
  1784. res = 1;
  1785. return res;
  1786. }
  1787. static void tg3_init_bcm8002(struct tg3 *tp)
  1788. {
  1789. u32 mac_status = tr32(MAC_STATUS);
  1790. int i;
  1791. /* Reset when initting first time or we have a link. */
  1792. if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
  1793. !(mac_status & MAC_STATUS_PCS_SYNCED))
  1794. return;
  1795. /* Set PLL lock range. */
  1796. tg3_writephy(tp, 0x16, 0x8007);
  1797. /* SW reset */
  1798. tg3_writephy(tp, MII_BMCR, BMCR_RESET);
  1799. /* Wait for reset to complete. */
  1800. /* XXX schedule_timeout() ... */
  1801. for (i = 0; i < 500; i++)
  1802. udelay(10);
  1803. /* Config mode; select PMA/Ch 1 regs. */
  1804. tg3_writephy(tp, 0x10, 0x8411);
  1805. /* Enable auto-lock and comdet, select txclk for tx. */
  1806. tg3_writephy(tp, 0x11, 0x0a10);
  1807. tg3_writephy(tp, 0x18, 0x00a0);
  1808. tg3_writephy(tp, 0x16, 0x41ff);
  1809. /* Assert and deassert POR. */
  1810. tg3_writephy(tp, 0x13, 0x0400);
  1811. udelay(40);
  1812. tg3_writephy(tp, 0x13, 0x0000);
  1813. tg3_writephy(tp, 0x11, 0x0a50);
  1814. udelay(40);
  1815. tg3_writephy(tp, 0x11, 0x0a10);
  1816. /* Wait for signal to stabilize */
  1817. /* XXX schedule_timeout() ... */
  1818. for (i = 0; i < 15000; i++)
  1819. udelay(10);
  1820. /* Deselect the channel register so we can read the PHYID
  1821. * later.
  1822. */
  1823. tg3_writephy(tp, 0x10, 0x8011);
  1824. }
  1825. static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
  1826. {
  1827. u32 sg_dig_ctrl, sg_dig_status;
  1828. u32 serdes_cfg, expected_sg_dig_ctrl;
  1829. int workaround, port_a;
  1830. int current_link_up;
  1831. serdes_cfg = 0;
  1832. expected_sg_dig_ctrl = 0;
  1833. workaround = 0;
  1834. port_a = 1;
  1835. current_link_up = 0;
  1836. if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
  1837. tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
  1838. workaround = 1;
  1839. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  1840. port_a = 0;
  1841. /* preserve bits 0-11,13,14 for signal pre-emphasis */
  1842. /* preserve bits 20-23 for voltage regulator */
  1843. serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
  1844. }
  1845. sg_dig_ctrl = tr32(SG_DIG_CTRL);
  1846. if (tp->link_config.autoneg != AUTONEG_ENABLE) {
  1847. if (sg_dig_ctrl & (1 << 31)) {
  1848. if (workaround) {
  1849. u32 val = serdes_cfg;
  1850. if (port_a)
  1851. val |= 0xc010000;
  1852. else
  1853. val |= 0x4010000;
  1854. tw32_f(MAC_SERDES_CFG, val);
  1855. }
  1856. tw32_f(SG_DIG_CTRL, 0x01388400);
  1857. }
  1858. if (mac_status & MAC_STATUS_PCS_SYNCED) {
  1859. tg3_setup_flow_control(tp, 0, 0);
  1860. current_link_up = 1;
  1861. }
  1862. goto out;
  1863. }
  1864. /* Want auto-negotiation. */
  1865. expected_sg_dig_ctrl = 0x81388400;
  1866. /* Pause capability */
  1867. expected_sg_dig_ctrl |= (1 << 11);
  1868. /* Asymettric pause */
  1869. expected_sg_dig_ctrl |= (1 << 12);
  1870. if (sg_dig_ctrl != expected_sg_dig_ctrl) {
  1871. if (workaround)
  1872. tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
  1873. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
  1874. udelay(5);
  1875. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
  1876. tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
  1877. } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
  1878. MAC_STATUS_SIGNAL_DET)) {
  1879. int i;
  1880. /* Giver time to negotiate (~200ms) */
  1881. for (i = 0; i < 40000; i++) {
  1882. sg_dig_status = tr32(SG_DIG_STATUS);
  1883. if (sg_dig_status & (0x3))
  1884. break;
  1885. udelay(5);
  1886. }
  1887. mac_status = tr32(MAC_STATUS);
  1888. if ((sg_dig_status & (1 << 1)) &&
  1889. (mac_status & MAC_STATUS_PCS_SYNCED)) {
  1890. u32 local_adv, remote_adv;
  1891. local_adv = ADVERTISE_PAUSE_CAP;
  1892. remote_adv = 0;
  1893. if (sg_dig_status & (1 << 19))
  1894. remote_adv |= LPA_PAUSE_CAP;
  1895. if (sg_dig_status & (1 << 20))
  1896. remote_adv |= LPA_PAUSE_ASYM;
  1897. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1898. current_link_up = 1;
  1899. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  1900. } else if (!(sg_dig_status & (1 << 1))) {
  1901. if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED)
  1902. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  1903. else {
  1904. if (workaround) {
  1905. u32 val = serdes_cfg;
  1906. if (port_a)
  1907. val |= 0xc010000;
  1908. else
  1909. val |= 0x4010000;
  1910. tw32_f(MAC_SERDES_CFG, val);
  1911. }
  1912. tw32_f(SG_DIG_CTRL, 0x01388400);
  1913. udelay(40);
  1914. /* Link parallel detection - link is up */
  1915. /* only if we have PCS_SYNC and not */
  1916. /* receiving config code words */
  1917. mac_status = tr32(MAC_STATUS);
  1918. if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
  1919. !(mac_status & MAC_STATUS_RCVD_CFG)) {
  1920. tg3_setup_flow_control(tp, 0, 0);
  1921. current_link_up = 1;
  1922. }
  1923. }
  1924. }
  1925. }
  1926. out:
  1927. return current_link_up;
  1928. }
  1929. static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
  1930. {
  1931. int current_link_up = 0;
  1932. if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
  1933. tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
  1934. goto out;
  1935. }
  1936. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  1937. u32 flags;
  1938. int i;
  1939. if (fiber_autoneg(tp, &flags)) {
  1940. u32 local_adv, remote_adv;
  1941. local_adv = ADVERTISE_PAUSE_CAP;
  1942. remote_adv = 0;
  1943. if (flags & MR_LP_ADV_SYM_PAUSE)
  1944. remote_adv |= LPA_PAUSE_CAP;
  1945. if (flags & MR_LP_ADV_ASYM_PAUSE)
  1946. remote_adv |= LPA_PAUSE_ASYM;
  1947. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1948. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  1949. current_link_up = 1;
  1950. }
  1951. for (i = 0; i < 30; i++) {
  1952. udelay(20);
  1953. tw32_f(MAC_STATUS,
  1954. (MAC_STATUS_SYNC_CHANGED |
  1955. MAC_STATUS_CFG_CHANGED));
  1956. udelay(40);
  1957. if ((tr32(MAC_STATUS) &
  1958. (MAC_STATUS_SYNC_CHANGED |
  1959. MAC_STATUS_CFG_CHANGED)) == 0)
  1960. break;
  1961. }
  1962. mac_status = tr32(MAC_STATUS);
  1963. if (current_link_up == 0 &&
  1964. (mac_status & MAC_STATUS_PCS_SYNCED) &&
  1965. !(mac_status & MAC_STATUS_RCVD_CFG))
  1966. current_link_up = 1;
  1967. } else {
  1968. /* Forcing 1000FD link up. */
  1969. current_link_up = 1;
  1970. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  1971. tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
  1972. udelay(40);
  1973. }
  1974. out:
  1975. return current_link_up;
  1976. }
  1977. static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
  1978. {
  1979. u32 orig_pause_cfg;
  1980. u16 orig_active_speed;
  1981. u8 orig_active_duplex;
  1982. u32 mac_status;
  1983. int current_link_up;
  1984. int i;
  1985. orig_pause_cfg =
  1986. (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  1987. TG3_FLAG_TX_PAUSE));
  1988. orig_active_speed = tp->link_config.active_speed;
  1989. orig_active_duplex = tp->link_config.active_duplex;
  1990. if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
  1991. netif_carrier_ok(tp->dev) &&
  1992. (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
  1993. mac_status = tr32(MAC_STATUS);
  1994. mac_status &= (MAC_STATUS_PCS_SYNCED |
  1995. MAC_STATUS_SIGNAL_DET |
  1996. MAC_STATUS_CFG_CHANGED |
  1997. MAC_STATUS_RCVD_CFG);
  1998. if (mac_status == (MAC_STATUS_PCS_SYNCED |
  1999. MAC_STATUS_SIGNAL_DET)) {
  2000. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2001. MAC_STATUS_CFG_CHANGED));
  2002. return 0;
  2003. }
  2004. }
  2005. tw32_f(MAC_TX_AUTO_NEG, 0);
  2006. tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
  2007. tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
  2008. tw32_f(MAC_MODE, tp->mac_mode);
  2009. udelay(40);
  2010. if (tp->phy_id == PHY_ID_BCM8002)
  2011. tg3_init_bcm8002(tp);
  2012. /* Enable link change event even when serdes polling. */
  2013. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2014. udelay(40);
  2015. current_link_up = 0;
  2016. mac_status = tr32(MAC_STATUS);
  2017. if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
  2018. current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
  2019. else
  2020. current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
  2021. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  2022. tw32_f(MAC_MODE, tp->mac_mode);
  2023. udelay(40);
  2024. tp->hw_status->status =
  2025. (SD_STATUS_UPDATED |
  2026. (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
  2027. for (i = 0; i < 100; i++) {
  2028. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2029. MAC_STATUS_CFG_CHANGED));
  2030. udelay(5);
  2031. if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
  2032. MAC_STATUS_CFG_CHANGED)) == 0)
  2033. break;
  2034. }
  2035. mac_status = tr32(MAC_STATUS);
  2036. if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
  2037. current_link_up = 0;
  2038. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2039. tw32_f(MAC_MODE, (tp->mac_mode |
  2040. MAC_MODE_SEND_CONFIGS));
  2041. udelay(1);
  2042. tw32_f(MAC_MODE, tp->mac_mode);
  2043. }
  2044. }
  2045. if (current_link_up == 1) {
  2046. tp->link_config.active_speed = SPEED_1000;
  2047. tp->link_config.active_duplex = DUPLEX_FULL;
  2048. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2049. LED_CTRL_LNKLED_OVERRIDE |
  2050. LED_CTRL_1000MBPS_ON));
  2051. } else {
  2052. tp->link_config.active_speed = SPEED_INVALID;
  2053. tp->link_config.active_duplex = DUPLEX_INVALID;
  2054. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2055. LED_CTRL_LNKLED_OVERRIDE |
  2056. LED_CTRL_TRAFFIC_OVERRIDE));
  2057. }
  2058. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2059. if (current_link_up)
  2060. netif_carrier_on(tp->dev);
  2061. else
  2062. netif_carrier_off(tp->dev);
  2063. tg3_link_report(tp);
  2064. } else {
  2065. u32 now_pause_cfg =
  2066. tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2067. TG3_FLAG_TX_PAUSE);
  2068. if (orig_pause_cfg != now_pause_cfg ||
  2069. orig_active_speed != tp->link_config.active_speed ||
  2070. orig_active_duplex != tp->link_config.active_duplex)
  2071. tg3_link_report(tp);
  2072. }
  2073. return 0;
  2074. }
  2075. static int tg3_setup_phy(struct tg3 *tp, int force_reset)
  2076. {
  2077. int err;
  2078. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  2079. err = tg3_setup_fiber_phy(tp, force_reset);
  2080. } else {
  2081. err = tg3_setup_copper_phy(tp, force_reset);
  2082. }
  2083. if (tp->link_config.active_speed == SPEED_1000 &&
  2084. tp->link_config.active_duplex == DUPLEX_HALF)
  2085. tw32(MAC_TX_LENGTHS,
  2086. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2087. (6 << TX_LENGTHS_IPG_SHIFT) |
  2088. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2089. else
  2090. tw32(MAC_TX_LENGTHS,
  2091. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2092. (6 << TX_LENGTHS_IPG_SHIFT) |
  2093. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2094. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  2095. if (netif_carrier_ok(tp->dev)) {
  2096. tw32(HOSTCC_STAT_COAL_TICKS,
  2097. DEFAULT_STAT_COAL_TICKS);
  2098. } else {
  2099. tw32(HOSTCC_STAT_COAL_TICKS, 0);
  2100. }
  2101. }
  2102. return err;
  2103. }
  2104. /* Tigon3 never reports partial packet sends. So we do not
  2105. * need special logic to handle SKBs that have not had all
  2106. * of their frags sent yet, like SunGEM does.
  2107. */
  2108. static void tg3_tx(struct tg3 *tp)
  2109. {
  2110. u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
  2111. u32 sw_idx = tp->tx_cons;
  2112. while (sw_idx != hw_idx) {
  2113. struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
  2114. struct sk_buff *skb = ri->skb;
  2115. int i;
  2116. if (unlikely(skb == NULL))
  2117. BUG();
  2118. pci_unmap_single(tp->pdev,
  2119. pci_unmap_addr(ri, mapping),
  2120. skb_headlen(skb),
  2121. PCI_DMA_TODEVICE);
  2122. ri->skb = NULL;
  2123. sw_idx = NEXT_TX(sw_idx);
  2124. for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
  2125. if (unlikely(sw_idx == hw_idx))
  2126. BUG();
  2127. ri = &tp->tx_buffers[sw_idx];
  2128. if (unlikely(ri->skb != NULL))
  2129. BUG();
  2130. pci_unmap_page(tp->pdev,
  2131. pci_unmap_addr(ri, mapping),
  2132. skb_shinfo(skb)->frags[i].size,
  2133. PCI_DMA_TODEVICE);
  2134. sw_idx = NEXT_TX(sw_idx);
  2135. }
  2136. dev_kfree_skb_irq(skb);
  2137. }
  2138. tp->tx_cons = sw_idx;
  2139. if (netif_queue_stopped(tp->dev) &&
  2140. (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH))
  2141. netif_wake_queue(tp->dev);
  2142. }
  2143. /* Returns size of skb allocated or < 0 on error.
  2144. *
  2145. * We only need to fill in the address because the other members
  2146. * of the RX descriptor are invariant, see tg3_init_rings.
  2147. *
  2148. * Note the purposeful assymetry of cpu vs. chip accesses. For
  2149. * posting buffers we only dirty the first cache line of the RX
  2150. * descriptor (containing the address). Whereas for the RX status
  2151. * buffers the cpu only reads the last cacheline of the RX descriptor
  2152. * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  2153. */
  2154. static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
  2155. int src_idx, u32 dest_idx_unmasked)
  2156. {
  2157. struct tg3_rx_buffer_desc *desc;
  2158. struct ring_info *map, *src_map;
  2159. struct sk_buff *skb;
  2160. dma_addr_t mapping;
  2161. int skb_size, dest_idx;
  2162. src_map = NULL;
  2163. switch (opaque_key) {
  2164. case RXD_OPAQUE_RING_STD:
  2165. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2166. desc = &tp->rx_std[dest_idx];
  2167. map = &tp->rx_std_buffers[dest_idx];
  2168. if (src_idx >= 0)
  2169. src_map = &tp->rx_std_buffers[src_idx];
  2170. skb_size = RX_PKT_BUF_SZ;
  2171. break;
  2172. case RXD_OPAQUE_RING_JUMBO:
  2173. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2174. desc = &tp->rx_jumbo[dest_idx];
  2175. map = &tp->rx_jumbo_buffers[dest_idx];
  2176. if (src_idx >= 0)
  2177. src_map = &tp->rx_jumbo_buffers[src_idx];
  2178. skb_size = RX_JUMBO_PKT_BUF_SZ;
  2179. break;
  2180. default:
  2181. return -EINVAL;
  2182. };
  2183. /* Do not overwrite any of the map or rp information
  2184. * until we are sure we can commit to a new buffer.
  2185. *
  2186. * Callers depend upon this behavior and assume that
  2187. * we leave everything unchanged if we fail.
  2188. */
  2189. skb = dev_alloc_skb(skb_size);
  2190. if (skb == NULL)
  2191. return -ENOMEM;
  2192. skb->dev = tp->dev;
  2193. skb_reserve(skb, tp->rx_offset);
  2194. mapping = pci_map_single(tp->pdev, skb->data,
  2195. skb_size - tp->rx_offset,
  2196. PCI_DMA_FROMDEVICE);
  2197. map->skb = skb;
  2198. pci_unmap_addr_set(map, mapping, mapping);
  2199. if (src_map != NULL)
  2200. src_map->skb = NULL;
  2201. desc->addr_hi = ((u64)mapping >> 32);
  2202. desc->addr_lo = ((u64)mapping & 0xffffffff);
  2203. return skb_size;
  2204. }
  2205. /* We only need to move over in the address because the other
  2206. * members of the RX descriptor are invariant. See notes above
  2207. * tg3_alloc_rx_skb for full details.
  2208. */
  2209. static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
  2210. int src_idx, u32 dest_idx_unmasked)
  2211. {
  2212. struct tg3_rx_buffer_desc *src_desc, *dest_desc;
  2213. struct ring_info *src_map, *dest_map;
  2214. int dest_idx;
  2215. switch (opaque_key) {
  2216. case RXD_OPAQUE_RING_STD:
  2217. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2218. dest_desc = &tp->rx_std[dest_idx];
  2219. dest_map = &tp->rx_std_buffers[dest_idx];
  2220. src_desc = &tp->rx_std[src_idx];
  2221. src_map = &tp->rx_std_buffers[src_idx];
  2222. break;
  2223. case RXD_OPAQUE_RING_JUMBO:
  2224. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2225. dest_desc = &tp->rx_jumbo[dest_idx];
  2226. dest_map = &tp->rx_jumbo_buffers[dest_idx];
  2227. src_desc = &tp->rx_jumbo[src_idx];
  2228. src_map = &tp->rx_jumbo_buffers[src_idx];
  2229. break;
  2230. default:
  2231. return;
  2232. };
  2233. dest_map->skb = src_map->skb;
  2234. pci_unmap_addr_set(dest_map, mapping,
  2235. pci_unmap_addr(src_map, mapping));
  2236. dest_desc->addr_hi = src_desc->addr_hi;
  2237. dest_desc->addr_lo = src_desc->addr_lo;
  2238. src_map->skb = NULL;
  2239. }
  2240. #if TG3_VLAN_TAG_USED
  2241. static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
  2242. {
  2243. return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
  2244. }
  2245. #endif
  2246. /* The RX ring scheme is composed of multiple rings which post fresh
  2247. * buffers to the chip, and one special ring the chip uses to report
  2248. * status back to the host.
  2249. *
  2250. * The special ring reports the status of received packets to the
  2251. * host. The chip does not write into the original descriptor the
  2252. * RX buffer was obtained from. The chip simply takes the original
  2253. * descriptor as provided by the host, updates the status and length
  2254. * field, then writes this into the next status ring entry.
  2255. *
  2256. * Each ring the host uses to post buffers to the chip is described
  2257. * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
  2258. * it is first placed into the on-chip ram. When the packet's length
  2259. * is known, it walks down the TG3_BDINFO entries to select the ring.
  2260. * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
  2261. * which is within the range of the new packet's length is chosen.
  2262. *
  2263. * The "separate ring for rx status" scheme may sound queer, but it makes
  2264. * sense from a cache coherency perspective. If only the host writes
  2265. * to the buffer post rings, and only the chip writes to the rx status
  2266. * rings, then cache lines never move beyond shared-modified state.
  2267. * If both the host and chip were to write into the same ring, cache line
  2268. * eviction could occur since both entities want it in an exclusive state.
  2269. */
  2270. static int tg3_rx(struct tg3 *tp, int budget)
  2271. {
  2272. u32 work_mask;
  2273. u32 rx_rcb_ptr = tp->rx_rcb_ptr;
  2274. u16 hw_idx, sw_idx;
  2275. int received;
  2276. hw_idx = tp->hw_status->idx[0].rx_producer;
  2277. /*
  2278. * We need to order the read of hw_idx and the read of
  2279. * the opaque cookie.
  2280. */
  2281. rmb();
  2282. sw_idx = rx_rcb_ptr % TG3_RX_RCB_RING_SIZE(tp);
  2283. work_mask = 0;
  2284. received = 0;
  2285. while (sw_idx != hw_idx && budget > 0) {
  2286. struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
  2287. unsigned int len;
  2288. struct sk_buff *skb;
  2289. dma_addr_t dma_addr;
  2290. u32 opaque_key, desc_idx, *post_ptr;
  2291. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  2292. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  2293. if (opaque_key == RXD_OPAQUE_RING_STD) {
  2294. dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
  2295. mapping);
  2296. skb = tp->rx_std_buffers[desc_idx].skb;
  2297. post_ptr = &tp->rx_std_ptr;
  2298. } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
  2299. dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
  2300. mapping);
  2301. skb = tp->rx_jumbo_buffers[desc_idx].skb;
  2302. post_ptr = &tp->rx_jumbo_ptr;
  2303. }
  2304. else {
  2305. goto next_pkt_nopost;
  2306. }
  2307. work_mask |= opaque_key;
  2308. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  2309. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
  2310. drop_it:
  2311. tg3_recycle_rx(tp, opaque_key,
  2312. desc_idx, *post_ptr);
  2313. drop_it_no_recycle:
  2314. /* Other statistics kept track of by card. */
  2315. tp->net_stats.rx_dropped++;
  2316. goto next_pkt;
  2317. }
  2318. len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
  2319. if (len > RX_COPY_THRESHOLD
  2320. && tp->rx_offset == 2
  2321. /* rx_offset != 2 iff this is a 5701 card running
  2322. * in PCI-X mode [see tg3_get_invariants()] */
  2323. ) {
  2324. int skb_size;
  2325. skb_size = tg3_alloc_rx_skb(tp, opaque_key,
  2326. desc_idx, *post_ptr);
  2327. if (skb_size < 0)
  2328. goto drop_it;
  2329. pci_unmap_single(tp->pdev, dma_addr,
  2330. skb_size - tp->rx_offset,
  2331. PCI_DMA_FROMDEVICE);
  2332. skb_put(skb, len);
  2333. } else {
  2334. struct sk_buff *copy_skb;
  2335. tg3_recycle_rx(tp, opaque_key,
  2336. desc_idx, *post_ptr);
  2337. copy_skb = dev_alloc_skb(len + 2);
  2338. if (copy_skb == NULL)
  2339. goto drop_it_no_recycle;
  2340. copy_skb->dev = tp->dev;
  2341. skb_reserve(copy_skb, 2);
  2342. skb_put(copy_skb, len);
  2343. pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2344. memcpy(copy_skb->data, skb->data, len);
  2345. pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2346. /* We'll reuse the original ring buffer. */
  2347. skb = copy_skb;
  2348. }
  2349. if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
  2350. (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
  2351. (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
  2352. >> RXD_TCPCSUM_SHIFT) == 0xffff))
  2353. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2354. else
  2355. skb->ip_summed = CHECKSUM_NONE;
  2356. skb->protocol = eth_type_trans(skb, tp->dev);
  2357. #if TG3_VLAN_TAG_USED
  2358. if (tp->vlgrp != NULL &&
  2359. desc->type_flags & RXD_FLAG_VLAN) {
  2360. tg3_vlan_rx(tp, skb,
  2361. desc->err_vlan & RXD_VLAN_MASK);
  2362. } else
  2363. #endif
  2364. netif_receive_skb(skb);
  2365. tp->dev->last_rx = jiffies;
  2366. received++;
  2367. budget--;
  2368. next_pkt:
  2369. (*post_ptr)++;
  2370. next_pkt_nopost:
  2371. rx_rcb_ptr++;
  2372. sw_idx = rx_rcb_ptr % TG3_RX_RCB_RING_SIZE(tp);
  2373. }
  2374. /* ACK the status ring. */
  2375. tp->rx_rcb_ptr = rx_rcb_ptr;
  2376. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW,
  2377. (rx_rcb_ptr % TG3_RX_RCB_RING_SIZE(tp)));
  2378. /* Refill RX ring(s). */
  2379. if (work_mask & RXD_OPAQUE_RING_STD) {
  2380. sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
  2381. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  2382. sw_idx);
  2383. }
  2384. if (work_mask & RXD_OPAQUE_RING_JUMBO) {
  2385. sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
  2386. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  2387. sw_idx);
  2388. }
  2389. mmiowb();
  2390. return received;
  2391. }
  2392. static int tg3_poll(struct net_device *netdev, int *budget)
  2393. {
  2394. struct tg3 *tp = netdev_priv(netdev);
  2395. struct tg3_hw_status *sblk = tp->hw_status;
  2396. unsigned long flags;
  2397. int done;
  2398. spin_lock_irqsave(&tp->lock, flags);
  2399. /* handle link change and other phy events */
  2400. if (!(tp->tg3_flags &
  2401. (TG3_FLAG_USE_LINKCHG_REG |
  2402. TG3_FLAG_POLL_SERDES))) {
  2403. if (sblk->status & SD_STATUS_LINK_CHG) {
  2404. sblk->status = SD_STATUS_UPDATED |
  2405. (sblk->status & ~SD_STATUS_LINK_CHG);
  2406. tg3_setup_phy(tp, 0);
  2407. }
  2408. }
  2409. /* run TX completion thread */
  2410. if (sblk->idx[0].tx_consumer != tp->tx_cons) {
  2411. spin_lock(&tp->tx_lock);
  2412. tg3_tx(tp);
  2413. spin_unlock(&tp->tx_lock);
  2414. }
  2415. spin_unlock_irqrestore(&tp->lock, flags);
  2416. /* run RX thread, within the bounds set by NAPI.
  2417. * All RX "locking" is done by ensuring outside
  2418. * code synchronizes with dev->poll()
  2419. */
  2420. done = 1;
  2421. if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
  2422. int orig_budget = *budget;
  2423. int work_done;
  2424. if (orig_budget > netdev->quota)
  2425. orig_budget = netdev->quota;
  2426. work_done = tg3_rx(tp, orig_budget);
  2427. *budget -= work_done;
  2428. netdev->quota -= work_done;
  2429. if (work_done >= orig_budget)
  2430. done = 0;
  2431. }
  2432. /* if no more work, tell net stack and NIC we're done */
  2433. if (done) {
  2434. spin_lock_irqsave(&tp->lock, flags);
  2435. __netif_rx_complete(netdev);
  2436. tg3_restart_ints(tp);
  2437. spin_unlock_irqrestore(&tp->lock, flags);
  2438. }
  2439. return (done ? 0 : 1);
  2440. }
  2441. static inline unsigned int tg3_has_work(struct net_device *dev, struct tg3 *tp)
  2442. {
  2443. struct tg3_hw_status *sblk = tp->hw_status;
  2444. unsigned int work_exists = 0;
  2445. /* check for phy events */
  2446. if (!(tp->tg3_flags &
  2447. (TG3_FLAG_USE_LINKCHG_REG |
  2448. TG3_FLAG_POLL_SERDES))) {
  2449. if (sblk->status & SD_STATUS_LINK_CHG)
  2450. work_exists = 1;
  2451. }
  2452. /* check for RX/TX work to do */
  2453. if (sblk->idx[0].tx_consumer != tp->tx_cons ||
  2454. sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  2455. work_exists = 1;
  2456. return work_exists;
  2457. }
  2458. /* MSI ISR - No need to check for interrupt sharing and no need to
  2459. * flush status block and interrupt mailbox. PCI ordering rules
  2460. * guarantee that MSI will arrive after the status block.
  2461. */
  2462. static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
  2463. {
  2464. struct net_device *dev = dev_id;
  2465. struct tg3 *tp = netdev_priv(dev);
  2466. struct tg3_hw_status *sblk = tp->hw_status;
  2467. unsigned long flags;
  2468. spin_lock_irqsave(&tp->lock, flags);
  2469. /*
  2470. * writing any value to intr-mbox-0 clears PCI INTA# and
  2471. * chip-internal interrupt pending events.
  2472. * writing non-zero to intr-mbox-0 additional tells the
  2473. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2474. * event coalescing.
  2475. */
  2476. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  2477. sblk->status &= ~SD_STATUS_UPDATED;
  2478. if (likely(tg3_has_work(dev, tp)))
  2479. netif_rx_schedule(dev); /* schedule NAPI poll */
  2480. else {
  2481. /* no work, re-enable interrupts
  2482. */
  2483. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2484. 0x00000000);
  2485. }
  2486. spin_unlock_irqrestore(&tp->lock, flags);
  2487. return IRQ_RETVAL(1);
  2488. }
  2489. static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  2490. {
  2491. struct net_device *dev = dev_id;
  2492. struct tg3 *tp = netdev_priv(dev);
  2493. struct tg3_hw_status *sblk = tp->hw_status;
  2494. unsigned long flags;
  2495. unsigned int handled = 1;
  2496. spin_lock_irqsave(&tp->lock, flags);
  2497. /* In INTx mode, it is possible for the interrupt to arrive at
  2498. * the CPU before the status block posted prior to the interrupt.
  2499. * Reading the PCI State register will confirm whether the
  2500. * interrupt is ours and will flush the status block.
  2501. */
  2502. if ((sblk->status & SD_STATUS_UPDATED) ||
  2503. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2504. /*
  2505. * writing any value to intr-mbox-0 clears PCI INTA# and
  2506. * chip-internal interrupt pending events.
  2507. * writing non-zero to intr-mbox-0 additional tells the
  2508. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2509. * event coalescing.
  2510. */
  2511. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2512. 0x00000001);
  2513. /*
  2514. * Flush PCI write. This also guarantees that our
  2515. * status block has been flushed to host memory.
  2516. */
  2517. tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
  2518. sblk->status &= ~SD_STATUS_UPDATED;
  2519. if (likely(tg3_has_work(dev, tp)))
  2520. netif_rx_schedule(dev); /* schedule NAPI poll */
  2521. else {
  2522. /* no work, shared interrupt perhaps? re-enable
  2523. * interrupts, and flush that PCI write
  2524. */
  2525. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2526. 0x00000000);
  2527. tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
  2528. }
  2529. } else { /* shared interrupt */
  2530. handled = 0;
  2531. }
  2532. spin_unlock_irqrestore(&tp->lock, flags);
  2533. return IRQ_RETVAL(handled);
  2534. }
  2535. static int tg3_init_hw(struct tg3 *);
  2536. static int tg3_halt(struct tg3 *);
  2537. #ifdef CONFIG_NET_POLL_CONTROLLER
  2538. static void tg3_poll_controller(struct net_device *dev)
  2539. {
  2540. struct tg3 *tp = netdev_priv(dev);
  2541. tg3_interrupt(tp->pdev->irq, dev, NULL);
  2542. }
  2543. #endif
  2544. static void tg3_reset_task(void *_data)
  2545. {
  2546. struct tg3 *tp = _data;
  2547. unsigned int restart_timer;
  2548. tg3_netif_stop(tp);
  2549. spin_lock_irq(&tp->lock);
  2550. spin_lock(&tp->tx_lock);
  2551. restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
  2552. tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
  2553. tg3_halt(tp);
  2554. tg3_init_hw(tp);
  2555. tg3_netif_start(tp);
  2556. spin_unlock(&tp->tx_lock);
  2557. spin_unlock_irq(&tp->lock);
  2558. if (restart_timer)
  2559. mod_timer(&tp->timer, jiffies + 1);
  2560. }
  2561. static void tg3_tx_timeout(struct net_device *dev)
  2562. {
  2563. struct tg3 *tp = netdev_priv(dev);
  2564. printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
  2565. dev->name);
  2566. schedule_work(&tp->reset_task);
  2567. }
  2568. static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
  2569. static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
  2570. u32 guilty_entry, int guilty_len,
  2571. u32 last_plus_one, u32 *start, u32 mss)
  2572. {
  2573. struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
  2574. dma_addr_t new_addr;
  2575. u32 entry = *start;
  2576. int i;
  2577. if (!new_skb) {
  2578. dev_kfree_skb(skb);
  2579. return -1;
  2580. }
  2581. /* New SKB is guaranteed to be linear. */
  2582. entry = *start;
  2583. new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
  2584. PCI_DMA_TODEVICE);
  2585. tg3_set_txd(tp, entry, new_addr, new_skb->len,
  2586. (skb->ip_summed == CHECKSUM_HW) ?
  2587. TXD_FLAG_TCPUDP_CSUM : 0, 1 | (mss << 1));
  2588. *start = NEXT_TX(entry);
  2589. /* Now clean up the sw ring entries. */
  2590. i = 0;
  2591. while (entry != last_plus_one) {
  2592. int len;
  2593. if (i == 0)
  2594. len = skb_headlen(skb);
  2595. else
  2596. len = skb_shinfo(skb)->frags[i-1].size;
  2597. pci_unmap_single(tp->pdev,
  2598. pci_unmap_addr(&tp->tx_buffers[entry], mapping),
  2599. len, PCI_DMA_TODEVICE);
  2600. if (i == 0) {
  2601. tp->tx_buffers[entry].skb = new_skb;
  2602. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
  2603. } else {
  2604. tp->tx_buffers[entry].skb = NULL;
  2605. }
  2606. entry = NEXT_TX(entry);
  2607. i++;
  2608. }
  2609. dev_kfree_skb(skb);
  2610. return 0;
  2611. }
  2612. static void tg3_set_txd(struct tg3 *tp, int entry,
  2613. dma_addr_t mapping, int len, u32 flags,
  2614. u32 mss_and_is_end)
  2615. {
  2616. struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
  2617. int is_end = (mss_and_is_end & 0x1);
  2618. u32 mss = (mss_and_is_end >> 1);
  2619. u32 vlan_tag = 0;
  2620. if (is_end)
  2621. flags |= TXD_FLAG_END;
  2622. if (flags & TXD_FLAG_VLAN) {
  2623. vlan_tag = flags >> 16;
  2624. flags &= 0xffff;
  2625. }
  2626. vlan_tag |= (mss << TXD_MSS_SHIFT);
  2627. txd->addr_hi = ((u64) mapping >> 32);
  2628. txd->addr_lo = ((u64) mapping & 0xffffffff);
  2629. txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
  2630. txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
  2631. }
  2632. static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
  2633. {
  2634. u32 base = (u32) mapping & 0xffffffff;
  2635. return ((base > 0xffffdcc0) &&
  2636. (base + len + 8 < base));
  2637. }
  2638. static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
  2639. {
  2640. struct tg3 *tp = netdev_priv(dev);
  2641. dma_addr_t mapping;
  2642. unsigned int i;
  2643. u32 len, entry, base_flags, mss;
  2644. int would_hit_hwbug;
  2645. unsigned long flags;
  2646. len = skb_headlen(skb);
  2647. /* No BH disabling for tx_lock here. We are running in BH disabled
  2648. * context and TX reclaim runs via tp->poll inside of a software
  2649. * interrupt. Rejoice!
  2650. *
  2651. * Actually, things are not so simple. If we are to take a hw
  2652. * IRQ here, we can deadlock, consider:
  2653. *
  2654. * CPU1 CPU2
  2655. * tg3_start_xmit
  2656. * take tp->tx_lock
  2657. * tg3_timer
  2658. * take tp->lock
  2659. * tg3_interrupt
  2660. * spin on tp->lock
  2661. * spin on tp->tx_lock
  2662. *
  2663. * So we really do need to disable interrupts when taking
  2664. * tx_lock here.
  2665. */
  2666. local_irq_save(flags);
  2667. if (!spin_trylock(&tp->tx_lock)) {
  2668. local_irq_restore(flags);
  2669. return NETDEV_TX_LOCKED;
  2670. }
  2671. /* This is a hard error, log it. */
  2672. if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  2673. netif_stop_queue(dev);
  2674. spin_unlock_irqrestore(&tp->tx_lock, flags);
  2675. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
  2676. dev->name);
  2677. return NETDEV_TX_BUSY;
  2678. }
  2679. entry = tp->tx_prod;
  2680. base_flags = 0;
  2681. if (skb->ip_summed == CHECKSUM_HW)
  2682. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  2683. #if TG3_TSO_SUPPORT != 0
  2684. mss = 0;
  2685. if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
  2686. (mss = skb_shinfo(skb)->tso_size) != 0) {
  2687. int tcp_opt_len, ip_tcp_len;
  2688. if (skb_header_cloned(skb) &&
  2689. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  2690. dev_kfree_skb(skb);
  2691. goto out_unlock;
  2692. }
  2693. tcp_opt_len = ((skb->h.th->doff - 5) * 4);
  2694. ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
  2695. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  2696. TXD_FLAG_CPU_POST_DMA);
  2697. skb->nh.iph->check = 0;
  2698. skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
  2699. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  2700. skb->h.th->check = 0;
  2701. base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
  2702. }
  2703. else {
  2704. skb->h.th->check =
  2705. ~csum_tcpudp_magic(skb->nh.iph->saddr,
  2706. skb->nh.iph->daddr,
  2707. 0, IPPROTO_TCP, 0);
  2708. }
  2709. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
  2710. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
  2711. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  2712. int tsflags;
  2713. tsflags = ((skb->nh.iph->ihl - 5) +
  2714. (tcp_opt_len >> 2));
  2715. mss |= (tsflags << 11);
  2716. }
  2717. } else {
  2718. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  2719. int tsflags;
  2720. tsflags = ((skb->nh.iph->ihl - 5) +
  2721. (tcp_opt_len >> 2));
  2722. base_flags |= tsflags << 12;
  2723. }
  2724. }
  2725. }
  2726. #else
  2727. mss = 0;
  2728. #endif
  2729. #if TG3_VLAN_TAG_USED
  2730. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  2731. base_flags |= (TXD_FLAG_VLAN |
  2732. (vlan_tx_tag_get(skb) << 16));
  2733. #endif
  2734. /* Queue skb data, a.k.a. the main skb fragment. */
  2735. mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  2736. tp->tx_buffers[entry].skb = skb;
  2737. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  2738. would_hit_hwbug = 0;
  2739. if (tg3_4g_overflow_test(mapping, len))
  2740. would_hit_hwbug = entry + 1;
  2741. tg3_set_txd(tp, entry, mapping, len, base_flags,
  2742. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  2743. entry = NEXT_TX(entry);
  2744. /* Now loop through additional data fragments, and queue them. */
  2745. if (skb_shinfo(skb)->nr_frags > 0) {
  2746. unsigned int i, last;
  2747. last = skb_shinfo(skb)->nr_frags - 1;
  2748. for (i = 0; i <= last; i++) {
  2749. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  2750. len = frag->size;
  2751. mapping = pci_map_page(tp->pdev,
  2752. frag->page,
  2753. frag->page_offset,
  2754. len, PCI_DMA_TODEVICE);
  2755. tp->tx_buffers[entry].skb = NULL;
  2756. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  2757. if (tg3_4g_overflow_test(mapping, len)) {
  2758. /* Only one should match. */
  2759. if (would_hit_hwbug)
  2760. BUG();
  2761. would_hit_hwbug = entry + 1;
  2762. }
  2763. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  2764. tg3_set_txd(tp, entry, mapping, len,
  2765. base_flags, (i == last)|(mss << 1));
  2766. else
  2767. tg3_set_txd(tp, entry, mapping, len,
  2768. base_flags, (i == last));
  2769. entry = NEXT_TX(entry);
  2770. }
  2771. }
  2772. if (would_hit_hwbug) {
  2773. u32 last_plus_one = entry;
  2774. u32 start;
  2775. unsigned int len = 0;
  2776. would_hit_hwbug -= 1;
  2777. entry = entry - 1 - skb_shinfo(skb)->nr_frags;
  2778. entry &= (TG3_TX_RING_SIZE - 1);
  2779. start = entry;
  2780. i = 0;
  2781. while (entry != last_plus_one) {
  2782. if (i == 0)
  2783. len = skb_headlen(skb);
  2784. else
  2785. len = skb_shinfo(skb)->frags[i-1].size;
  2786. if (entry == would_hit_hwbug)
  2787. break;
  2788. i++;
  2789. entry = NEXT_TX(entry);
  2790. }
  2791. /* If the workaround fails due to memory/mapping
  2792. * failure, silently drop this packet.
  2793. */
  2794. if (tigon3_4gb_hwbug_workaround(tp, skb,
  2795. entry, len,
  2796. last_plus_one,
  2797. &start, mss))
  2798. goto out_unlock;
  2799. entry = start;
  2800. }
  2801. /* Packets are ready, update Tx producer idx local and on card. */
  2802. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  2803. tp->tx_prod = entry;
  2804. if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1))
  2805. netif_stop_queue(dev);
  2806. out_unlock:
  2807. mmiowb();
  2808. spin_unlock_irqrestore(&tp->tx_lock, flags);
  2809. dev->trans_start = jiffies;
  2810. return NETDEV_TX_OK;
  2811. }
  2812. static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
  2813. int new_mtu)
  2814. {
  2815. dev->mtu = new_mtu;
  2816. if (new_mtu > ETH_DATA_LEN)
  2817. tp->tg3_flags |= TG3_FLAG_JUMBO_ENABLE;
  2818. else
  2819. tp->tg3_flags &= ~TG3_FLAG_JUMBO_ENABLE;
  2820. }
  2821. static int tg3_change_mtu(struct net_device *dev, int new_mtu)
  2822. {
  2823. struct tg3 *tp = netdev_priv(dev);
  2824. if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
  2825. return -EINVAL;
  2826. if (!netif_running(dev)) {
  2827. /* We'll just catch it later when the
  2828. * device is up'd.
  2829. */
  2830. tg3_set_mtu(dev, tp, new_mtu);
  2831. return 0;
  2832. }
  2833. tg3_netif_stop(tp);
  2834. spin_lock_irq(&tp->lock);
  2835. spin_lock(&tp->tx_lock);
  2836. tg3_halt(tp);
  2837. tg3_set_mtu(dev, tp, new_mtu);
  2838. tg3_init_hw(tp);
  2839. tg3_netif_start(tp);
  2840. spin_unlock(&tp->tx_lock);
  2841. spin_unlock_irq(&tp->lock);
  2842. return 0;
  2843. }
  2844. /* Free up pending packets in all rx/tx rings.
  2845. *
  2846. * The chip has been shut down and the driver detached from
  2847. * the networking, so no interrupts or new tx packets will
  2848. * end up in the driver. tp->{tx,}lock is not held and we are not
  2849. * in an interrupt context and thus may sleep.
  2850. */
  2851. static void tg3_free_rings(struct tg3 *tp)
  2852. {
  2853. struct ring_info *rxp;
  2854. int i;
  2855. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  2856. rxp = &tp->rx_std_buffers[i];
  2857. if (rxp->skb == NULL)
  2858. continue;
  2859. pci_unmap_single(tp->pdev,
  2860. pci_unmap_addr(rxp, mapping),
  2861. RX_PKT_BUF_SZ - tp->rx_offset,
  2862. PCI_DMA_FROMDEVICE);
  2863. dev_kfree_skb_any(rxp->skb);
  2864. rxp->skb = NULL;
  2865. }
  2866. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  2867. rxp = &tp->rx_jumbo_buffers[i];
  2868. if (rxp->skb == NULL)
  2869. continue;
  2870. pci_unmap_single(tp->pdev,
  2871. pci_unmap_addr(rxp, mapping),
  2872. RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
  2873. PCI_DMA_FROMDEVICE);
  2874. dev_kfree_skb_any(rxp->skb);
  2875. rxp->skb = NULL;
  2876. }
  2877. for (i = 0; i < TG3_TX_RING_SIZE; ) {
  2878. struct tx_ring_info *txp;
  2879. struct sk_buff *skb;
  2880. int j;
  2881. txp = &tp->tx_buffers[i];
  2882. skb = txp->skb;
  2883. if (skb == NULL) {
  2884. i++;
  2885. continue;
  2886. }
  2887. pci_unmap_single(tp->pdev,
  2888. pci_unmap_addr(txp, mapping),
  2889. skb_headlen(skb),
  2890. PCI_DMA_TODEVICE);
  2891. txp->skb = NULL;
  2892. i++;
  2893. for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
  2894. txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
  2895. pci_unmap_page(tp->pdev,
  2896. pci_unmap_addr(txp, mapping),
  2897. skb_shinfo(skb)->frags[j].size,
  2898. PCI_DMA_TODEVICE);
  2899. i++;
  2900. }
  2901. dev_kfree_skb_any(skb);
  2902. }
  2903. }
  2904. /* Initialize tx/rx rings for packet processing.
  2905. *
  2906. * The chip has been shut down and the driver detached from
  2907. * the networking, so no interrupts or new tx packets will
  2908. * end up in the driver. tp->{tx,}lock are held and thus
  2909. * we may not sleep.
  2910. */
  2911. static void tg3_init_rings(struct tg3 *tp)
  2912. {
  2913. u32 i;
  2914. /* Free up all the SKBs. */
  2915. tg3_free_rings(tp);
  2916. /* Zero out all descriptors. */
  2917. memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
  2918. memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
  2919. memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
  2920. memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
  2921. /* Initialize invariants of the rings, we only set this
  2922. * stuff once. This works because the card does not
  2923. * write into the rx buffer posting rings.
  2924. */
  2925. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  2926. struct tg3_rx_buffer_desc *rxd;
  2927. rxd = &tp->rx_std[i];
  2928. rxd->idx_len = (RX_PKT_BUF_SZ - tp->rx_offset - 64)
  2929. << RXD_LEN_SHIFT;
  2930. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
  2931. rxd->opaque = (RXD_OPAQUE_RING_STD |
  2932. (i << RXD_OPAQUE_INDEX_SHIFT));
  2933. }
  2934. if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
  2935. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  2936. struct tg3_rx_buffer_desc *rxd;
  2937. rxd = &tp->rx_jumbo[i];
  2938. rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
  2939. << RXD_LEN_SHIFT;
  2940. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
  2941. RXD_FLAG_JUMBO;
  2942. rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
  2943. (i << RXD_OPAQUE_INDEX_SHIFT));
  2944. }
  2945. }
  2946. /* Now allocate fresh SKBs for each rx ring. */
  2947. for (i = 0; i < tp->rx_pending; i++) {
  2948. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
  2949. -1, i) < 0)
  2950. break;
  2951. }
  2952. if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
  2953. for (i = 0; i < tp->rx_jumbo_pending; i++) {
  2954. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
  2955. -1, i) < 0)
  2956. break;
  2957. }
  2958. }
  2959. }
  2960. /*
  2961. * Must not be invoked with interrupt sources disabled and
  2962. * the hardware shutdown down.
  2963. */
  2964. static void tg3_free_consistent(struct tg3 *tp)
  2965. {
  2966. if (tp->rx_std_buffers) {
  2967. kfree(tp->rx_std_buffers);
  2968. tp->rx_std_buffers = NULL;
  2969. }
  2970. if (tp->rx_std) {
  2971. pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
  2972. tp->rx_std, tp->rx_std_mapping);
  2973. tp->rx_std = NULL;
  2974. }
  2975. if (tp->rx_jumbo) {
  2976. pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  2977. tp->rx_jumbo, tp->rx_jumbo_mapping);
  2978. tp->rx_jumbo = NULL;
  2979. }
  2980. if (tp->rx_rcb) {
  2981. pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  2982. tp->rx_rcb, tp->rx_rcb_mapping);
  2983. tp->rx_rcb = NULL;
  2984. }
  2985. if (tp->tx_ring) {
  2986. pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
  2987. tp->tx_ring, tp->tx_desc_mapping);
  2988. tp->tx_ring = NULL;
  2989. }
  2990. if (tp->hw_status) {
  2991. pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
  2992. tp->hw_status, tp->status_mapping);
  2993. tp->hw_status = NULL;
  2994. }
  2995. if (tp->hw_stats) {
  2996. pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
  2997. tp->hw_stats, tp->stats_mapping);
  2998. tp->hw_stats = NULL;
  2999. }
  3000. }
  3001. /*
  3002. * Must not be invoked with interrupt sources disabled and
  3003. * the hardware shutdown down. Can sleep.
  3004. */
  3005. static int tg3_alloc_consistent(struct tg3 *tp)
  3006. {
  3007. tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
  3008. (TG3_RX_RING_SIZE +
  3009. TG3_RX_JUMBO_RING_SIZE)) +
  3010. (sizeof(struct tx_ring_info) *
  3011. TG3_TX_RING_SIZE),
  3012. GFP_KERNEL);
  3013. if (!tp->rx_std_buffers)
  3014. return -ENOMEM;
  3015. memset(tp->rx_std_buffers, 0,
  3016. (sizeof(struct ring_info) *
  3017. (TG3_RX_RING_SIZE +
  3018. TG3_RX_JUMBO_RING_SIZE)) +
  3019. (sizeof(struct tx_ring_info) *
  3020. TG3_TX_RING_SIZE));
  3021. tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
  3022. tp->tx_buffers = (struct tx_ring_info *)
  3023. &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
  3024. tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3025. &tp->rx_std_mapping);
  3026. if (!tp->rx_std)
  3027. goto err_out;
  3028. tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3029. &tp->rx_jumbo_mapping);
  3030. if (!tp->rx_jumbo)
  3031. goto err_out;
  3032. tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3033. &tp->rx_rcb_mapping);
  3034. if (!tp->rx_rcb)
  3035. goto err_out;
  3036. tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3037. &tp->tx_desc_mapping);
  3038. if (!tp->tx_ring)
  3039. goto err_out;
  3040. tp->hw_status = pci_alloc_consistent(tp->pdev,
  3041. TG3_HW_STATUS_SIZE,
  3042. &tp->status_mapping);
  3043. if (!tp->hw_status)
  3044. goto err_out;
  3045. tp->hw_stats = pci_alloc_consistent(tp->pdev,
  3046. sizeof(struct tg3_hw_stats),
  3047. &tp->stats_mapping);
  3048. if (!tp->hw_stats)
  3049. goto err_out;
  3050. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3051. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3052. return 0;
  3053. err_out:
  3054. tg3_free_consistent(tp);
  3055. return -ENOMEM;
  3056. }
  3057. #define MAX_WAIT_CNT 1000
  3058. /* To stop a block, clear the enable bit and poll till it
  3059. * clears. tp->lock is held.
  3060. */
  3061. static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit)
  3062. {
  3063. unsigned int i;
  3064. u32 val;
  3065. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  3066. switch (ofs) {
  3067. case RCVLSC_MODE:
  3068. case DMAC_MODE:
  3069. case MBFREE_MODE:
  3070. case BUFMGR_MODE:
  3071. case MEMARB_MODE:
  3072. /* We can't enable/disable these bits of the
  3073. * 5705/5750, just say success.
  3074. */
  3075. return 0;
  3076. default:
  3077. break;
  3078. };
  3079. }
  3080. val = tr32(ofs);
  3081. val &= ~enable_bit;
  3082. tw32_f(ofs, val);
  3083. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3084. udelay(100);
  3085. val = tr32(ofs);
  3086. if ((val & enable_bit) == 0)
  3087. break;
  3088. }
  3089. if (i == MAX_WAIT_CNT) {
  3090. printk(KERN_ERR PFX "tg3_stop_block timed out, "
  3091. "ofs=%lx enable_bit=%x\n",
  3092. ofs, enable_bit);
  3093. return -ENODEV;
  3094. }
  3095. return 0;
  3096. }
  3097. /* tp->lock is held. */
  3098. static int tg3_abort_hw(struct tg3 *tp)
  3099. {
  3100. int i, err;
  3101. tg3_disable_ints(tp);
  3102. tp->rx_mode &= ~RX_MODE_ENABLE;
  3103. tw32_f(MAC_RX_MODE, tp->rx_mode);
  3104. udelay(10);
  3105. err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE);
  3106. err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  3107. err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE);
  3108. err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE);
  3109. err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE);
  3110. err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE);
  3111. err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE);
  3112. err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE);
  3113. err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  3114. err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE);
  3115. err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  3116. err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE);
  3117. err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE);
  3118. if (err)
  3119. goto out;
  3120. tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
  3121. tw32_f(MAC_MODE, tp->mac_mode);
  3122. udelay(40);
  3123. tp->tx_mode &= ~TX_MODE_ENABLE;
  3124. tw32_f(MAC_TX_MODE, tp->tx_mode);
  3125. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3126. udelay(100);
  3127. if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
  3128. break;
  3129. }
  3130. if (i >= MAX_WAIT_CNT) {
  3131. printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
  3132. "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
  3133. tp->dev->name, tr32(MAC_TX_MODE));
  3134. return -ENODEV;
  3135. }
  3136. err = tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE);
  3137. err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE);
  3138. err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE);
  3139. tw32(FTQ_RESET, 0xffffffff);
  3140. tw32(FTQ_RESET, 0x00000000);
  3141. err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE);
  3142. err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE);
  3143. if (err)
  3144. goto out;
  3145. if (tp->hw_status)
  3146. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3147. if (tp->hw_stats)
  3148. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3149. out:
  3150. return err;
  3151. }
  3152. /* tp->lock is held. */
  3153. static int tg3_nvram_lock(struct tg3 *tp)
  3154. {
  3155. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  3156. int i;
  3157. tw32(NVRAM_SWARB, SWARB_REQ_SET1);
  3158. for (i = 0; i < 8000; i++) {
  3159. if (tr32(NVRAM_SWARB) & SWARB_GNT1)
  3160. break;
  3161. udelay(20);
  3162. }
  3163. if (i == 8000)
  3164. return -ENODEV;
  3165. }
  3166. return 0;
  3167. }
  3168. /* tp->lock is held. */
  3169. static void tg3_nvram_unlock(struct tg3 *tp)
  3170. {
  3171. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  3172. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
  3173. }
  3174. /* tp->lock is held. */
  3175. static void tg3_enable_nvram_access(struct tg3 *tp)
  3176. {
  3177. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3178. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3179. u32 nvaccess = tr32(NVRAM_ACCESS);
  3180. tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
  3181. }
  3182. }
  3183. /* tp->lock is held. */
  3184. static void tg3_disable_nvram_access(struct tg3 *tp)
  3185. {
  3186. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3187. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3188. u32 nvaccess = tr32(NVRAM_ACCESS);
  3189. tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
  3190. }
  3191. }
  3192. /* tp->lock is held. */
  3193. static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
  3194. {
  3195. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3196. tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
  3197. NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
  3198. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3199. switch (kind) {
  3200. case RESET_KIND_INIT:
  3201. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3202. DRV_STATE_START);
  3203. break;
  3204. case RESET_KIND_SHUTDOWN:
  3205. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3206. DRV_STATE_UNLOAD);
  3207. break;
  3208. case RESET_KIND_SUSPEND:
  3209. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3210. DRV_STATE_SUSPEND);
  3211. break;
  3212. default:
  3213. break;
  3214. };
  3215. }
  3216. }
  3217. /* tp->lock is held. */
  3218. static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
  3219. {
  3220. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3221. switch (kind) {
  3222. case RESET_KIND_INIT:
  3223. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3224. DRV_STATE_START_DONE);
  3225. break;
  3226. case RESET_KIND_SHUTDOWN:
  3227. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3228. DRV_STATE_UNLOAD_DONE);
  3229. break;
  3230. default:
  3231. break;
  3232. };
  3233. }
  3234. }
  3235. /* tp->lock is held. */
  3236. static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
  3237. {
  3238. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3239. switch (kind) {
  3240. case RESET_KIND_INIT:
  3241. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3242. DRV_STATE_START);
  3243. break;
  3244. case RESET_KIND_SHUTDOWN:
  3245. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3246. DRV_STATE_UNLOAD);
  3247. break;
  3248. case RESET_KIND_SUSPEND:
  3249. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3250. DRV_STATE_SUSPEND);
  3251. break;
  3252. default:
  3253. break;
  3254. };
  3255. }
  3256. }
  3257. static void tg3_stop_fw(struct tg3 *);
  3258. /* tp->lock is held. */
  3259. static int tg3_chip_reset(struct tg3 *tp)
  3260. {
  3261. u32 val;
  3262. u32 flags_save;
  3263. int i;
  3264. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3265. tg3_nvram_lock(tp);
  3266. /*
  3267. * We must avoid the readl() that normally takes place.
  3268. * It locks machines, causes machine checks, and other
  3269. * fun things. So, temporarily disable the 5701
  3270. * hardware workaround, while we do the reset.
  3271. */
  3272. flags_save = tp->tg3_flags;
  3273. tp->tg3_flags &= ~TG3_FLAG_5701_REG_WRITE_BUG;
  3274. /* do the reset */
  3275. val = GRC_MISC_CFG_CORECLK_RESET;
  3276. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3277. if (tr32(0x7e2c) == 0x60) {
  3278. tw32(0x7e2c, 0x20);
  3279. }
  3280. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3281. tw32(GRC_MISC_CFG, (1 << 29));
  3282. val |= (1 << 29);
  3283. }
  3284. }
  3285. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  3286. val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
  3287. tw32(GRC_MISC_CFG, val);
  3288. /* restore 5701 hardware bug workaround flag */
  3289. tp->tg3_flags = flags_save;
  3290. /* Unfortunately, we have to delay before the PCI read back.
  3291. * Some 575X chips even will not respond to a PCI cfg access
  3292. * when the reset command is given to the chip.
  3293. *
  3294. * How do these hardware designers expect things to work
  3295. * properly if the PCI write is posted for a long period
  3296. * of time? It is always necessary to have some method by
  3297. * which a register read back can occur to push the write
  3298. * out which does the reset.
  3299. *
  3300. * For most tg3 variants the trick below was working.
  3301. * Ho hum...
  3302. */
  3303. udelay(120);
  3304. /* Flush PCI posted writes. The normal MMIO registers
  3305. * are inaccessible at this time so this is the only
  3306. * way to make this reliably (actually, this is no longer
  3307. * the case, see above). I tried to use indirect
  3308. * register read/write but this upset some 5701 variants.
  3309. */
  3310. pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
  3311. udelay(120);
  3312. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3313. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
  3314. int i;
  3315. u32 cfg_val;
  3316. /* Wait for link training to complete. */
  3317. for (i = 0; i < 5000; i++)
  3318. udelay(100);
  3319. pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
  3320. pci_write_config_dword(tp->pdev, 0xc4,
  3321. cfg_val | (1 << 15));
  3322. }
  3323. /* Set PCIE max payload size and clear error status. */
  3324. pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
  3325. }
  3326. /* Re-enable indirect register accesses. */
  3327. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  3328. tp->misc_host_ctrl);
  3329. /* Set MAX PCI retry to zero. */
  3330. val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
  3331. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  3332. (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
  3333. val |= PCISTATE_RETRY_SAME_DMA;
  3334. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
  3335. pci_restore_state(tp->pdev);
  3336. /* Make sure PCI-X relaxed ordering bit is clear. */
  3337. pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
  3338. val &= ~PCIX_CAPS_RELAXED_ORDERING;
  3339. pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
  3340. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  3341. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
  3342. tg3_stop_fw(tp);
  3343. tw32(0x5000, 0x400);
  3344. }
  3345. tw32(GRC_MODE, tp->grc_mode);
  3346. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
  3347. u32 val = tr32(0xc4);
  3348. tw32(0xc4, val | (1 << 15));
  3349. }
  3350. if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
  3351. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  3352. tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
  3353. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
  3354. tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
  3355. tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  3356. }
  3357. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  3358. tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
  3359. tw32_f(MAC_MODE, tp->mac_mode);
  3360. } else
  3361. tw32_f(MAC_MODE, 0);
  3362. udelay(40);
  3363. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
  3364. /* Wait for firmware initialization to complete. */
  3365. for (i = 0; i < 100000; i++) {
  3366. tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
  3367. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  3368. break;
  3369. udelay(10);
  3370. }
  3371. if (i >= 100000) {
  3372. printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, "
  3373. "firmware will not restart magic=%08x\n",
  3374. tp->dev->name, val);
  3375. return -ENODEV;
  3376. }
  3377. }
  3378. if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  3379. tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3380. u32 val = tr32(0x7c00);
  3381. tw32(0x7c00, val | (1 << 25));
  3382. }
  3383. /* Reprobe ASF enable state. */
  3384. tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
  3385. tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
  3386. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  3387. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  3388. u32 nic_cfg;
  3389. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  3390. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  3391. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  3392. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  3393. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  3394. }
  3395. }
  3396. return 0;
  3397. }
  3398. /* tp->lock is held. */
  3399. static void tg3_stop_fw(struct tg3 *tp)
  3400. {
  3401. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3402. u32 val;
  3403. int i;
  3404. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
  3405. val = tr32(GRC_RX_CPU_EVENT);
  3406. val |= (1 << 14);
  3407. tw32(GRC_RX_CPU_EVENT, val);
  3408. /* Wait for RX cpu to ACK the event. */
  3409. for (i = 0; i < 100; i++) {
  3410. if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
  3411. break;
  3412. udelay(1);
  3413. }
  3414. }
  3415. }
  3416. /* tp->lock is held. */
  3417. static int tg3_halt(struct tg3 *tp)
  3418. {
  3419. int err;
  3420. tg3_stop_fw(tp);
  3421. tg3_write_sig_pre_reset(tp, RESET_KIND_SHUTDOWN);
  3422. tg3_abort_hw(tp);
  3423. err = tg3_chip_reset(tp);
  3424. tg3_write_sig_legacy(tp, RESET_KIND_SHUTDOWN);
  3425. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  3426. if (err)
  3427. return err;
  3428. return 0;
  3429. }
  3430. #define TG3_FW_RELEASE_MAJOR 0x0
  3431. #define TG3_FW_RELASE_MINOR 0x0
  3432. #define TG3_FW_RELEASE_FIX 0x0
  3433. #define TG3_FW_START_ADDR 0x08000000
  3434. #define TG3_FW_TEXT_ADDR 0x08000000
  3435. #define TG3_FW_TEXT_LEN 0x9c0
  3436. #define TG3_FW_RODATA_ADDR 0x080009c0
  3437. #define TG3_FW_RODATA_LEN 0x60
  3438. #define TG3_FW_DATA_ADDR 0x08000a40
  3439. #define TG3_FW_DATA_LEN 0x20
  3440. #define TG3_FW_SBSS_ADDR 0x08000a60
  3441. #define TG3_FW_SBSS_LEN 0xc
  3442. #define TG3_FW_BSS_ADDR 0x08000a70
  3443. #define TG3_FW_BSS_LEN 0x10
  3444. static u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
  3445. 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
  3446. 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
  3447. 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
  3448. 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
  3449. 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
  3450. 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
  3451. 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
  3452. 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
  3453. 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
  3454. 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
  3455. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
  3456. 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
  3457. 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
  3458. 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
  3459. 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
  3460. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  3461. 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
  3462. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
  3463. 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
  3464. 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  3465. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
  3466. 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
  3467. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  3468. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3469. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3470. 0, 0, 0, 0, 0, 0,
  3471. 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
  3472. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3473. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3474. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3475. 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
  3476. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
  3477. 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
  3478. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
  3479. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3480. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3481. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
  3482. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3483. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3484. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3485. 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
  3486. 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
  3487. 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
  3488. 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
  3489. 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
  3490. 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
  3491. 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
  3492. 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
  3493. 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
  3494. 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
  3495. 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
  3496. 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
  3497. 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
  3498. 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
  3499. 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
  3500. 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
  3501. 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
  3502. 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
  3503. 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
  3504. 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
  3505. 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
  3506. 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
  3507. 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
  3508. 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
  3509. 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
  3510. 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
  3511. 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
  3512. 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
  3513. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
  3514. 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
  3515. 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
  3516. 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
  3517. 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
  3518. 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
  3519. 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
  3520. 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
  3521. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
  3522. 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
  3523. 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
  3524. 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
  3525. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
  3526. 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
  3527. 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
  3528. 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
  3529. 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
  3530. 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
  3531. 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
  3532. 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
  3533. 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
  3534. 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
  3535. 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
  3536. };
  3537. static u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
  3538. 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
  3539. 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
  3540. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  3541. 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
  3542. 0x00000000
  3543. };
  3544. #if 0 /* All zeros, don't eat up space with it. */
  3545. u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
  3546. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  3547. 0x00000000, 0x00000000, 0x00000000, 0x00000000
  3548. };
  3549. #endif
  3550. #define RX_CPU_SCRATCH_BASE 0x30000
  3551. #define RX_CPU_SCRATCH_SIZE 0x04000
  3552. #define TX_CPU_SCRATCH_BASE 0x34000
  3553. #define TX_CPU_SCRATCH_SIZE 0x04000
  3554. /* tp->lock is held. */
  3555. static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
  3556. {
  3557. int i;
  3558. if (offset == TX_CPU_BASE &&
  3559. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  3560. BUG();
  3561. if (offset == RX_CPU_BASE) {
  3562. for (i = 0; i < 10000; i++) {
  3563. tw32(offset + CPU_STATE, 0xffffffff);
  3564. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3565. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3566. break;
  3567. }
  3568. tw32(offset + CPU_STATE, 0xffffffff);
  3569. tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
  3570. udelay(10);
  3571. } else {
  3572. for (i = 0; i < 10000; i++) {
  3573. tw32(offset + CPU_STATE, 0xffffffff);
  3574. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3575. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3576. break;
  3577. }
  3578. }
  3579. if (i >= 10000) {
  3580. printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
  3581. "and %s CPU\n",
  3582. tp->dev->name,
  3583. (offset == RX_CPU_BASE ? "RX" : "TX"));
  3584. return -ENODEV;
  3585. }
  3586. return 0;
  3587. }
  3588. struct fw_info {
  3589. unsigned int text_base;
  3590. unsigned int text_len;
  3591. u32 *text_data;
  3592. unsigned int rodata_base;
  3593. unsigned int rodata_len;
  3594. u32 *rodata_data;
  3595. unsigned int data_base;
  3596. unsigned int data_len;
  3597. u32 *data_data;
  3598. };
  3599. /* tp->lock is held. */
  3600. static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
  3601. int cpu_scratch_size, struct fw_info *info)
  3602. {
  3603. int err, i;
  3604. u32 orig_tg3_flags = tp->tg3_flags;
  3605. void (*write_op)(struct tg3 *, u32, u32);
  3606. if (cpu_base == TX_CPU_BASE &&
  3607. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  3608. printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
  3609. "TX cpu firmware on %s which is 5705.\n",
  3610. tp->dev->name);
  3611. return -EINVAL;
  3612. }
  3613. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  3614. write_op = tg3_write_mem;
  3615. else
  3616. write_op = tg3_write_indirect_reg32;
  3617. /* Force use of PCI config space for indirect register
  3618. * write calls.
  3619. */
  3620. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  3621. err = tg3_halt_cpu(tp, cpu_base);
  3622. if (err)
  3623. goto out;
  3624. for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
  3625. write_op(tp, cpu_scratch_base + i, 0);
  3626. tw32(cpu_base + CPU_STATE, 0xffffffff);
  3627. tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
  3628. for (i = 0; i < (info->text_len / sizeof(u32)); i++)
  3629. write_op(tp, (cpu_scratch_base +
  3630. (info->text_base & 0xffff) +
  3631. (i * sizeof(u32))),
  3632. (info->text_data ?
  3633. info->text_data[i] : 0));
  3634. for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
  3635. write_op(tp, (cpu_scratch_base +
  3636. (info->rodata_base & 0xffff) +
  3637. (i * sizeof(u32))),
  3638. (info->rodata_data ?
  3639. info->rodata_data[i] : 0));
  3640. for (i = 0; i < (info->data_len / sizeof(u32)); i++)
  3641. write_op(tp, (cpu_scratch_base +
  3642. (info->data_base & 0xffff) +
  3643. (i * sizeof(u32))),
  3644. (info->data_data ?
  3645. info->data_data[i] : 0));
  3646. err = 0;
  3647. out:
  3648. tp->tg3_flags = orig_tg3_flags;
  3649. return err;
  3650. }
  3651. /* tp->lock is held. */
  3652. static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
  3653. {
  3654. struct fw_info info;
  3655. int err, i;
  3656. info.text_base = TG3_FW_TEXT_ADDR;
  3657. info.text_len = TG3_FW_TEXT_LEN;
  3658. info.text_data = &tg3FwText[0];
  3659. info.rodata_base = TG3_FW_RODATA_ADDR;
  3660. info.rodata_len = TG3_FW_RODATA_LEN;
  3661. info.rodata_data = &tg3FwRodata[0];
  3662. info.data_base = TG3_FW_DATA_ADDR;
  3663. info.data_len = TG3_FW_DATA_LEN;
  3664. info.data_data = NULL;
  3665. err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
  3666. RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
  3667. &info);
  3668. if (err)
  3669. return err;
  3670. err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
  3671. TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
  3672. &info);
  3673. if (err)
  3674. return err;
  3675. /* Now startup only the RX cpu. */
  3676. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  3677. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  3678. for (i = 0; i < 5; i++) {
  3679. if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
  3680. break;
  3681. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  3682. tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
  3683. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  3684. udelay(1000);
  3685. }
  3686. if (i >= 5) {
  3687. printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
  3688. "to set RX CPU PC, is %08x should be %08x\n",
  3689. tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
  3690. TG3_FW_TEXT_ADDR);
  3691. return -ENODEV;
  3692. }
  3693. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  3694. tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
  3695. return 0;
  3696. }
  3697. #if TG3_TSO_SUPPORT != 0
  3698. #define TG3_TSO_FW_RELEASE_MAJOR 0x1
  3699. #define TG3_TSO_FW_RELASE_MINOR 0x6
  3700. #define TG3_TSO_FW_RELEASE_FIX 0x0
  3701. #define TG3_TSO_FW_START_ADDR 0x08000000
  3702. #define TG3_TSO_FW_TEXT_ADDR 0x08000000
  3703. #define TG3_TSO_FW_TEXT_LEN 0x1aa0
  3704. #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
  3705. #define TG3_TSO_FW_RODATA_LEN 0x60
  3706. #define TG3_TSO_FW_DATA_ADDR 0x08001b20
  3707. #define TG3_TSO_FW_DATA_LEN 0x30
  3708. #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
  3709. #define TG3_TSO_FW_SBSS_LEN 0x2c
  3710. #define TG3_TSO_FW_BSS_ADDR 0x08001b80
  3711. #define TG3_TSO_FW_BSS_LEN 0x894
  3712. static u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
  3713. 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
  3714. 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
  3715. 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  3716. 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
  3717. 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
  3718. 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
  3719. 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
  3720. 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
  3721. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
  3722. 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
  3723. 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
  3724. 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
  3725. 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
  3726. 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
  3727. 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
  3728. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
  3729. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
  3730. 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
  3731. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  3732. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
  3733. 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
  3734. 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
  3735. 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
  3736. 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
  3737. 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
  3738. 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
  3739. 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
  3740. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
  3741. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
  3742. 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  3743. 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
  3744. 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
  3745. 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
  3746. 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
  3747. 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
  3748. 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
  3749. 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
  3750. 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
  3751. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  3752. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
  3753. 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
  3754. 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
  3755. 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
  3756. 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
  3757. 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
  3758. 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
  3759. 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
  3760. 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  3761. 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
  3762. 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  3763. 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
  3764. 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
  3765. 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
  3766. 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
  3767. 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
  3768. 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
  3769. 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
  3770. 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
  3771. 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
  3772. 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
  3773. 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
  3774. 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
  3775. 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
  3776. 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
  3777. 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
  3778. 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
  3779. 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
  3780. 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
  3781. 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
  3782. 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
  3783. 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
  3784. 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
  3785. 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
  3786. 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
  3787. 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
  3788. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
  3789. 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
  3790. 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
  3791. 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
  3792. 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
  3793. 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
  3794. 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
  3795. 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
  3796. 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
  3797. 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
  3798. 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
  3799. 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
  3800. 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
  3801. 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
  3802. 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
  3803. 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
  3804. 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
  3805. 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
  3806. 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
  3807. 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
  3808. 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
  3809. 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
  3810. 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
  3811. 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
  3812. 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
  3813. 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
  3814. 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
  3815. 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
  3816. 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
  3817. 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
  3818. 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
  3819. 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
  3820. 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
  3821. 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
  3822. 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
  3823. 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
  3824. 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
  3825. 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
  3826. 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
  3827. 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
  3828. 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
  3829. 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
  3830. 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
  3831. 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
  3832. 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
  3833. 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
  3834. 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
  3835. 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
  3836. 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
  3837. 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
  3838. 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
  3839. 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
  3840. 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
  3841. 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
  3842. 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
  3843. 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
  3844. 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
  3845. 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
  3846. 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
  3847. 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
  3848. 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
  3849. 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
  3850. 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
  3851. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  3852. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
  3853. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
  3854. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
  3855. 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
  3856. 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
  3857. 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
  3858. 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
  3859. 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
  3860. 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
  3861. 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
  3862. 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
  3863. 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
  3864. 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
  3865. 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
  3866. 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
  3867. 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
  3868. 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
  3869. 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
  3870. 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
  3871. 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
  3872. 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
  3873. 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
  3874. 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
  3875. 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
  3876. 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
  3877. 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
  3878. 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
  3879. 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
  3880. 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
  3881. 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
  3882. 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
  3883. 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
  3884. 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
  3885. 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
  3886. 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
  3887. 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
  3888. 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
  3889. 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
  3890. 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
  3891. 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
  3892. 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
  3893. 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
  3894. 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
  3895. 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
  3896. 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
  3897. 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
  3898. 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
  3899. 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
  3900. 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
  3901. 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
  3902. 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
  3903. 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
  3904. 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
  3905. 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
  3906. 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
  3907. 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
  3908. 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
  3909. 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
  3910. 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
  3911. 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
  3912. 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
  3913. 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
  3914. 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
  3915. 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
  3916. 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
  3917. 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
  3918. 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
  3919. 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
  3920. 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
  3921. 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
  3922. 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
  3923. 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
  3924. 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
  3925. 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
  3926. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
  3927. 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
  3928. 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
  3929. 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
  3930. 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
  3931. 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
  3932. 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
  3933. 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  3934. 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
  3935. 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
  3936. 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
  3937. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
  3938. 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
  3939. 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
  3940. 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
  3941. 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
  3942. 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
  3943. 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
  3944. 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
  3945. 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
  3946. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
  3947. 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
  3948. 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
  3949. 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
  3950. 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  3951. 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
  3952. 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
  3953. 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
  3954. 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
  3955. 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
  3956. 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
  3957. 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
  3958. 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
  3959. 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
  3960. 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
  3961. 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
  3962. 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
  3963. 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
  3964. 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
  3965. 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
  3966. 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
  3967. 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
  3968. 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
  3969. 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
  3970. 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
  3971. 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
  3972. 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
  3973. 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
  3974. 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
  3975. 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
  3976. 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
  3977. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  3978. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
  3979. 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
  3980. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
  3981. 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
  3982. 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
  3983. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
  3984. 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
  3985. 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
  3986. 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
  3987. 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
  3988. 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
  3989. 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
  3990. 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
  3991. 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
  3992. 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
  3993. 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
  3994. 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
  3995. 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
  3996. 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
  3997. };
  3998. static u32 tg3TsoFwRodata[] = {
  3999. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4000. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
  4001. 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
  4002. 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
  4003. 0x00000000,
  4004. };
  4005. static u32 tg3TsoFwData[] = {
  4006. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
  4007. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  4008. 0x00000000,
  4009. };
  4010. /* 5705 needs a special version of the TSO firmware. */
  4011. #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
  4012. #define TG3_TSO5_FW_RELASE_MINOR 0x2
  4013. #define TG3_TSO5_FW_RELEASE_FIX 0x0
  4014. #define TG3_TSO5_FW_START_ADDR 0x00010000
  4015. #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
  4016. #define TG3_TSO5_FW_TEXT_LEN 0xe90
  4017. #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
  4018. #define TG3_TSO5_FW_RODATA_LEN 0x50
  4019. #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
  4020. #define TG3_TSO5_FW_DATA_LEN 0x20
  4021. #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
  4022. #define TG3_TSO5_FW_SBSS_LEN 0x28
  4023. #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
  4024. #define TG3_TSO5_FW_BSS_LEN 0x88
  4025. static u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
  4026. 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
  4027. 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
  4028. 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4029. 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
  4030. 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
  4031. 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
  4032. 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4033. 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
  4034. 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
  4035. 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
  4036. 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
  4037. 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
  4038. 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
  4039. 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
  4040. 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
  4041. 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
  4042. 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
  4043. 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
  4044. 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
  4045. 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
  4046. 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
  4047. 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
  4048. 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
  4049. 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
  4050. 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
  4051. 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
  4052. 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
  4053. 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
  4054. 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
  4055. 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
  4056. 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4057. 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
  4058. 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
  4059. 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
  4060. 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
  4061. 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
  4062. 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
  4063. 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
  4064. 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
  4065. 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
  4066. 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
  4067. 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
  4068. 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
  4069. 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
  4070. 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
  4071. 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
  4072. 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
  4073. 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
  4074. 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
  4075. 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
  4076. 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
  4077. 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
  4078. 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
  4079. 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
  4080. 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
  4081. 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
  4082. 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
  4083. 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
  4084. 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
  4085. 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
  4086. 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
  4087. 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
  4088. 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
  4089. 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
  4090. 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
  4091. 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
  4092. 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4093. 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
  4094. 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
  4095. 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
  4096. 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
  4097. 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
  4098. 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
  4099. 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
  4100. 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
  4101. 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
  4102. 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
  4103. 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
  4104. 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
  4105. 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
  4106. 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
  4107. 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
  4108. 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
  4109. 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
  4110. 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
  4111. 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
  4112. 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
  4113. 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
  4114. 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
  4115. 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
  4116. 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
  4117. 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
  4118. 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
  4119. 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
  4120. 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
  4121. 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
  4122. 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
  4123. 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
  4124. 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
  4125. 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
  4126. 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
  4127. 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
  4128. 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
  4129. 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
  4130. 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
  4131. 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
  4132. 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4133. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4134. 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
  4135. 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
  4136. 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
  4137. 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
  4138. 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
  4139. 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
  4140. 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
  4141. 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
  4142. 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
  4143. 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4144. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4145. 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
  4146. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
  4147. 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
  4148. 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
  4149. 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4150. 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
  4151. 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
  4152. 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
  4153. 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
  4154. 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
  4155. 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
  4156. 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
  4157. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
  4158. 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
  4159. 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
  4160. 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
  4161. 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
  4162. 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
  4163. 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
  4164. 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
  4165. 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
  4166. 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
  4167. 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
  4168. 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
  4169. 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
  4170. 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
  4171. 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
  4172. 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
  4173. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  4174. 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
  4175. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
  4176. 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
  4177. 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  4178. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
  4179. 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
  4180. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  4181. 0x00000000, 0x00000000, 0x00000000,
  4182. };
  4183. static u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
  4184. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4185. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
  4186. 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  4187. 0x00000000, 0x00000000, 0x00000000,
  4188. };
  4189. static u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
  4190. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
  4191. 0x00000000, 0x00000000, 0x00000000,
  4192. };
  4193. /* tp->lock is held. */
  4194. static int tg3_load_tso_firmware(struct tg3 *tp)
  4195. {
  4196. struct fw_info info;
  4197. unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
  4198. int err, i;
  4199. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4200. return 0;
  4201. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4202. info.text_base = TG3_TSO5_FW_TEXT_ADDR;
  4203. info.text_len = TG3_TSO5_FW_TEXT_LEN;
  4204. info.text_data = &tg3Tso5FwText[0];
  4205. info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
  4206. info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
  4207. info.rodata_data = &tg3Tso5FwRodata[0];
  4208. info.data_base = TG3_TSO5_FW_DATA_ADDR;
  4209. info.data_len = TG3_TSO5_FW_DATA_LEN;
  4210. info.data_data = &tg3Tso5FwData[0];
  4211. cpu_base = RX_CPU_BASE;
  4212. cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
  4213. cpu_scratch_size = (info.text_len +
  4214. info.rodata_len +
  4215. info.data_len +
  4216. TG3_TSO5_FW_SBSS_LEN +
  4217. TG3_TSO5_FW_BSS_LEN);
  4218. } else {
  4219. info.text_base = TG3_TSO_FW_TEXT_ADDR;
  4220. info.text_len = TG3_TSO_FW_TEXT_LEN;
  4221. info.text_data = &tg3TsoFwText[0];
  4222. info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
  4223. info.rodata_len = TG3_TSO_FW_RODATA_LEN;
  4224. info.rodata_data = &tg3TsoFwRodata[0];
  4225. info.data_base = TG3_TSO_FW_DATA_ADDR;
  4226. info.data_len = TG3_TSO_FW_DATA_LEN;
  4227. info.data_data = &tg3TsoFwData[0];
  4228. cpu_base = TX_CPU_BASE;
  4229. cpu_scratch_base = TX_CPU_SCRATCH_BASE;
  4230. cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
  4231. }
  4232. err = tg3_load_firmware_cpu(tp, cpu_base,
  4233. cpu_scratch_base, cpu_scratch_size,
  4234. &info);
  4235. if (err)
  4236. return err;
  4237. /* Now startup the cpu. */
  4238. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4239. tw32_f(cpu_base + CPU_PC, info.text_base);
  4240. for (i = 0; i < 5; i++) {
  4241. if (tr32(cpu_base + CPU_PC) == info.text_base)
  4242. break;
  4243. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4244. tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
  4245. tw32_f(cpu_base + CPU_PC, info.text_base);
  4246. udelay(1000);
  4247. }
  4248. if (i >= 5) {
  4249. printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
  4250. "to set CPU PC, is %08x should be %08x\n",
  4251. tp->dev->name, tr32(cpu_base + CPU_PC),
  4252. info.text_base);
  4253. return -ENODEV;
  4254. }
  4255. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4256. tw32_f(cpu_base + CPU_MODE, 0x00000000);
  4257. return 0;
  4258. }
  4259. #endif /* TG3_TSO_SUPPORT != 0 */
  4260. /* tp->lock is held. */
  4261. static void __tg3_set_mac_addr(struct tg3 *tp)
  4262. {
  4263. u32 addr_high, addr_low;
  4264. int i;
  4265. addr_high = ((tp->dev->dev_addr[0] << 8) |
  4266. tp->dev->dev_addr[1]);
  4267. addr_low = ((tp->dev->dev_addr[2] << 24) |
  4268. (tp->dev->dev_addr[3] << 16) |
  4269. (tp->dev->dev_addr[4] << 8) |
  4270. (tp->dev->dev_addr[5] << 0));
  4271. for (i = 0; i < 4; i++) {
  4272. tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
  4273. tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
  4274. }
  4275. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  4276. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  4277. for (i = 0; i < 12; i++) {
  4278. tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
  4279. tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
  4280. }
  4281. }
  4282. addr_high = (tp->dev->dev_addr[0] +
  4283. tp->dev->dev_addr[1] +
  4284. tp->dev->dev_addr[2] +
  4285. tp->dev->dev_addr[3] +
  4286. tp->dev->dev_addr[4] +
  4287. tp->dev->dev_addr[5]) &
  4288. TX_BACKOFF_SEED_MASK;
  4289. tw32(MAC_TX_BACKOFF_SEED, addr_high);
  4290. }
  4291. static int tg3_set_mac_addr(struct net_device *dev, void *p)
  4292. {
  4293. struct tg3 *tp = netdev_priv(dev);
  4294. struct sockaddr *addr = p;
  4295. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  4296. spin_lock_irq(&tp->lock);
  4297. __tg3_set_mac_addr(tp);
  4298. spin_unlock_irq(&tp->lock);
  4299. return 0;
  4300. }
  4301. /* tp->lock is held. */
  4302. static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
  4303. dma_addr_t mapping, u32 maxlen_flags,
  4304. u32 nic_addr)
  4305. {
  4306. tg3_write_mem(tp,
  4307. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
  4308. ((u64) mapping >> 32));
  4309. tg3_write_mem(tp,
  4310. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
  4311. ((u64) mapping & 0xffffffff));
  4312. tg3_write_mem(tp,
  4313. (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
  4314. maxlen_flags);
  4315. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  4316. tg3_write_mem(tp,
  4317. (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
  4318. nic_addr);
  4319. }
  4320. static void __tg3_set_rx_mode(struct net_device *);
  4321. /* tp->lock is held. */
  4322. static int tg3_reset_hw(struct tg3 *tp)
  4323. {
  4324. u32 val, rdmac_mode;
  4325. int i, err, limit;
  4326. tg3_disable_ints(tp);
  4327. tg3_stop_fw(tp);
  4328. tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
  4329. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
  4330. err = tg3_abort_hw(tp);
  4331. if (err)
  4332. return err;
  4333. }
  4334. err = tg3_chip_reset(tp);
  4335. if (err)
  4336. return err;
  4337. tg3_write_sig_legacy(tp, RESET_KIND_INIT);
  4338. /* This works around an issue with Athlon chipsets on
  4339. * B3 tigon3 silicon. This bit has no effect on any
  4340. * other revision. But do not set this on PCI Express
  4341. * chips.
  4342. */
  4343. if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  4344. tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
  4345. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  4346. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  4347. (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  4348. val = tr32(TG3PCI_PCISTATE);
  4349. val |= PCISTATE_RETRY_SAME_DMA;
  4350. tw32(TG3PCI_PCISTATE, val);
  4351. }
  4352. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
  4353. /* Enable some hw fixes. */
  4354. val = tr32(TG3PCI_MSI_DATA);
  4355. val |= (1 << 26) | (1 << 28) | (1 << 29);
  4356. tw32(TG3PCI_MSI_DATA, val);
  4357. }
  4358. /* Descriptor ring init may make accesses to the
  4359. * NIC SRAM area to setup the TX descriptors, so we
  4360. * can only do this after the hardware has been
  4361. * successfully reset.
  4362. */
  4363. tg3_init_rings(tp);
  4364. /* This value is determined during the probe time DMA
  4365. * engine test, tg3_test_dma.
  4366. */
  4367. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  4368. tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
  4369. GRC_MODE_4X_NIC_SEND_RINGS |
  4370. GRC_MODE_NO_TX_PHDR_CSUM |
  4371. GRC_MODE_NO_RX_PHDR_CSUM);
  4372. tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
  4373. if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
  4374. tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
  4375. if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
  4376. tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
  4377. tw32(GRC_MODE,
  4378. tp->grc_mode |
  4379. (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
  4380. /* Setup the timer prescalar register. Clock is always 66Mhz. */
  4381. val = tr32(GRC_MISC_CFG);
  4382. val &= ~0xff;
  4383. val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
  4384. tw32(GRC_MISC_CFG, val);
  4385. /* Initialize MBUF/DESC pool. */
  4386. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  4387. /* Do nothing. */
  4388. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
  4389. tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
  4390. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  4391. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
  4392. else
  4393. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
  4394. tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
  4395. tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
  4396. }
  4397. #if TG3_TSO_SUPPORT != 0
  4398. else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  4399. int fw_len;
  4400. fw_len = (TG3_TSO5_FW_TEXT_LEN +
  4401. TG3_TSO5_FW_RODATA_LEN +
  4402. TG3_TSO5_FW_DATA_LEN +
  4403. TG3_TSO5_FW_SBSS_LEN +
  4404. TG3_TSO5_FW_BSS_LEN);
  4405. fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
  4406. tw32(BUFMGR_MB_POOL_ADDR,
  4407. NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
  4408. tw32(BUFMGR_MB_POOL_SIZE,
  4409. NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
  4410. }
  4411. #endif
  4412. if (!(tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE)) {
  4413. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4414. tp->bufmgr_config.mbuf_read_dma_low_water);
  4415. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4416. tp->bufmgr_config.mbuf_mac_rx_low_water);
  4417. tw32(BUFMGR_MB_HIGH_WATER,
  4418. tp->bufmgr_config.mbuf_high_water);
  4419. } else {
  4420. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4421. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
  4422. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4423. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
  4424. tw32(BUFMGR_MB_HIGH_WATER,
  4425. tp->bufmgr_config.mbuf_high_water_jumbo);
  4426. }
  4427. tw32(BUFMGR_DMA_LOW_WATER,
  4428. tp->bufmgr_config.dma_low_water);
  4429. tw32(BUFMGR_DMA_HIGH_WATER,
  4430. tp->bufmgr_config.dma_high_water);
  4431. tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
  4432. for (i = 0; i < 2000; i++) {
  4433. if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
  4434. break;
  4435. udelay(10);
  4436. }
  4437. if (i >= 2000) {
  4438. printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
  4439. tp->dev->name);
  4440. return -ENODEV;
  4441. }
  4442. /* Setup replenish threshold. */
  4443. tw32(RCVBDI_STD_THRESH, tp->rx_pending / 8);
  4444. /* Initialize TG3_BDINFO's at:
  4445. * RCVDBDI_STD_BD: standard eth size rx ring
  4446. * RCVDBDI_JUMBO_BD: jumbo frame rx ring
  4447. * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
  4448. *
  4449. * like so:
  4450. * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
  4451. * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
  4452. * ring attribute flags
  4453. * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
  4454. *
  4455. * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
  4456. * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
  4457. *
  4458. * The size of each ring is fixed in the firmware, but the location is
  4459. * configurable.
  4460. */
  4461. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4462. ((u64) tp->rx_std_mapping >> 32));
  4463. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4464. ((u64) tp->rx_std_mapping & 0xffffffff));
  4465. tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
  4466. NIC_SRAM_RX_BUFFER_DESC);
  4467. /* Don't even try to program the JUMBO/MINI buffer descriptor
  4468. * configs on 5705.
  4469. */
  4470. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  4471. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4472. RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
  4473. } else {
  4474. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4475. RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4476. tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4477. BDINFO_FLAGS_DISABLED);
  4478. /* Setup replenish threshold. */
  4479. tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
  4480. if (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) {
  4481. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4482. ((u64) tp->rx_jumbo_mapping >> 32));
  4483. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4484. ((u64) tp->rx_jumbo_mapping & 0xffffffff));
  4485. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4486. RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4487. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
  4488. NIC_SRAM_RX_JUMBO_BUFFER_DESC);
  4489. } else {
  4490. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4491. BDINFO_FLAGS_DISABLED);
  4492. }
  4493. }
  4494. /* There is only one send ring on 5705/5750, no need to explicitly
  4495. * disable the others.
  4496. */
  4497. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4498. /* Clear out send RCB ring in SRAM. */
  4499. for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
  4500. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4501. BDINFO_FLAGS_DISABLED);
  4502. }
  4503. tp->tx_prod = 0;
  4504. tp->tx_cons = 0;
  4505. tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4506. tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4507. tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
  4508. tp->tx_desc_mapping,
  4509. (TG3_TX_RING_SIZE <<
  4510. BDINFO_FLAGS_MAXLEN_SHIFT),
  4511. NIC_SRAM_TX_BUFFER_DESC);
  4512. /* There is only one receive return ring on 5705/5750, no need
  4513. * to explicitly disable the others.
  4514. */
  4515. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4516. for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
  4517. i += TG3_BDINFO_SIZE) {
  4518. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4519. BDINFO_FLAGS_DISABLED);
  4520. }
  4521. }
  4522. tp->rx_rcb_ptr = 0;
  4523. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4524. tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
  4525. tp->rx_rcb_mapping,
  4526. (TG3_RX_RCB_RING_SIZE(tp) <<
  4527. BDINFO_FLAGS_MAXLEN_SHIFT),
  4528. 0);
  4529. tp->rx_std_ptr = tp->rx_pending;
  4530. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  4531. tp->rx_std_ptr);
  4532. tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE) ?
  4533. tp->rx_jumbo_pending : 0;
  4534. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  4535. tp->rx_jumbo_ptr);
  4536. /* Initialize MAC address and backoff seed. */
  4537. __tg3_set_mac_addr(tp);
  4538. /* MTU + ethernet header + FCS + optional VLAN tag */
  4539. tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
  4540. /* The slot time is changed by tg3_setup_phy if we
  4541. * run at gigabit with half duplex.
  4542. */
  4543. tw32(MAC_TX_LENGTHS,
  4544. (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  4545. (6 << TX_LENGTHS_IPG_SHIFT) |
  4546. (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
  4547. /* Receive rules. */
  4548. tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
  4549. tw32(RCVLPC_CONFIG, 0x0181);
  4550. /* Calculate RDMAC_MODE setting early, we need it to determine
  4551. * the RCVLPC_STATE_ENABLE mask.
  4552. */
  4553. rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
  4554. RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
  4555. RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
  4556. RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
  4557. RDMAC_MODE_LNGREAD_ENAB);
  4558. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  4559. rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
  4560. /* If statement applies to 5705 and 5750 PCI devices only */
  4561. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  4562. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  4563. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
  4564. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
  4565. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  4566. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  4567. rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
  4568. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  4569. !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
  4570. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4571. }
  4572. }
  4573. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  4574. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4575. #if TG3_TSO_SUPPORT != 0
  4576. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4577. rdmac_mode |= (1 << 27);
  4578. #endif
  4579. /* Receive/send statistics. */
  4580. if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
  4581. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  4582. val = tr32(RCVLPC_STATS_ENABLE);
  4583. val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
  4584. tw32(RCVLPC_STATS_ENABLE, val);
  4585. } else {
  4586. tw32(RCVLPC_STATS_ENABLE, 0xffffff);
  4587. }
  4588. tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
  4589. tw32(SNDDATAI_STATSENAB, 0xffffff);
  4590. tw32(SNDDATAI_STATSCTRL,
  4591. (SNDDATAI_SCTRL_ENABLE |
  4592. SNDDATAI_SCTRL_FASTUPD));
  4593. /* Setup host coalescing engine. */
  4594. tw32(HOSTCC_MODE, 0);
  4595. for (i = 0; i < 2000; i++) {
  4596. if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
  4597. break;
  4598. udelay(10);
  4599. }
  4600. tw32(HOSTCC_RXCOL_TICKS, 0);
  4601. tw32(HOSTCC_TXCOL_TICKS, LOW_TXCOL_TICKS);
  4602. tw32(HOSTCC_RXMAX_FRAMES, 1);
  4603. tw32(HOSTCC_TXMAX_FRAMES, LOW_RXMAX_FRAMES);
  4604. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4605. tw32(HOSTCC_RXCOAL_TICK_INT, 0);
  4606. tw32(HOSTCC_TXCOAL_TICK_INT, 0);
  4607. }
  4608. tw32(HOSTCC_RXCOAL_MAXF_INT, 1);
  4609. tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
  4610. /* set status block DMA address */
  4611. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4612. ((u64) tp->status_mapping >> 32));
  4613. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  4614. ((u64) tp->status_mapping & 0xffffffff));
  4615. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4616. /* Status/statistics block address. See tg3_timer,
  4617. * the tg3_periodic_fetch_stats call there, and
  4618. * tg3_get_stats to see how this works for 5705/5750 chips.
  4619. */
  4620. tw32(HOSTCC_STAT_COAL_TICKS,
  4621. DEFAULT_STAT_COAL_TICKS);
  4622. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4623. ((u64) tp->stats_mapping >> 32));
  4624. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  4625. ((u64) tp->stats_mapping & 0xffffffff));
  4626. tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
  4627. tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
  4628. }
  4629. tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
  4630. tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
  4631. tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  4632. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  4633. tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
  4634. /* Clear statistics/status block in chip, and status block in ram. */
  4635. for (i = NIC_SRAM_STATS_BLK;
  4636. i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
  4637. i += sizeof(u32)) {
  4638. tg3_write_mem(tp, i, 0);
  4639. udelay(40);
  4640. }
  4641. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  4642. tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
  4643. MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
  4644. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
  4645. udelay(40);
  4646. /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
  4647. * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
  4648. * register to preserve the GPIO settings for LOMs. The GPIOs,
  4649. * whether used as inputs or outputs, are set by boot code after
  4650. * reset.
  4651. */
  4652. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  4653. u32 gpio_mask;
  4654. gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
  4655. GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
  4656. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  4657. gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
  4658. GRC_LCLCTRL_GPIO_OUTPUT3;
  4659. tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
  4660. /* GPIO1 must be driven high for eeprom write protect */
  4661. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  4662. GRC_LCLCTRL_GPIO_OUTPUT1);
  4663. }
  4664. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  4665. udelay(100);
  4666. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
  4667. tr32(MAILBOX_INTERRUPT_0);
  4668. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4669. tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
  4670. udelay(40);
  4671. }
  4672. val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
  4673. WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
  4674. WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
  4675. WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
  4676. WDMAC_MODE_LNGREAD_ENAB);
  4677. /* If statement applies to 5705 and 5750 PCI devices only */
  4678. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  4679. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  4680. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  4681. if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
  4682. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  4683. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  4684. /* nothing */
  4685. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  4686. !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  4687. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  4688. val |= WDMAC_MODE_RX_ACCEL;
  4689. }
  4690. }
  4691. tw32_f(WDMAC_MODE, val);
  4692. udelay(40);
  4693. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
  4694. val = tr32(TG3PCI_X_CAPS);
  4695. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
  4696. val &= ~PCIX_CAPS_BURST_MASK;
  4697. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  4698. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  4699. val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
  4700. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  4701. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  4702. val |= (tp->split_mode_max_reqs <<
  4703. PCIX_CAPS_SPLIT_SHIFT);
  4704. }
  4705. tw32(TG3PCI_X_CAPS, val);
  4706. }
  4707. tw32_f(RDMAC_MODE, rdmac_mode);
  4708. udelay(40);
  4709. tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
  4710. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  4711. tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
  4712. tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  4713. tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
  4714. tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
  4715. tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
  4716. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  4717. #if TG3_TSO_SUPPORT != 0
  4718. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4719. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
  4720. #endif
  4721. tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
  4722. tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
  4723. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
  4724. err = tg3_load_5701_a0_firmware_fix(tp);
  4725. if (err)
  4726. return err;
  4727. }
  4728. #if TG3_TSO_SUPPORT != 0
  4729. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  4730. err = tg3_load_tso_firmware(tp);
  4731. if (err)
  4732. return err;
  4733. }
  4734. #endif
  4735. tp->tx_mode = TX_MODE_ENABLE;
  4736. tw32_f(MAC_TX_MODE, tp->tx_mode);
  4737. udelay(100);
  4738. tp->rx_mode = RX_MODE_ENABLE;
  4739. tw32_f(MAC_RX_MODE, tp->rx_mode);
  4740. udelay(10);
  4741. if (tp->link_config.phy_is_low_power) {
  4742. tp->link_config.phy_is_low_power = 0;
  4743. tp->link_config.speed = tp->link_config.orig_speed;
  4744. tp->link_config.duplex = tp->link_config.orig_duplex;
  4745. tp->link_config.autoneg = tp->link_config.orig_autoneg;
  4746. }
  4747. tp->mi_mode = MAC_MI_MODE_BASE;
  4748. tw32_f(MAC_MI_MODE, tp->mi_mode);
  4749. udelay(80);
  4750. tw32(MAC_LED_CTRL, tp->led_ctrl);
  4751. tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
  4752. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  4753. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  4754. udelay(10);
  4755. }
  4756. tw32_f(MAC_RX_MODE, tp->rx_mode);
  4757. udelay(10);
  4758. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  4759. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
  4760. !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
  4761. /* Set drive transmission level to 1.2V */
  4762. /* only if the signal pre-emphasis bit is not set */
  4763. val = tr32(MAC_SERDES_CFG);
  4764. val &= 0xfffff000;
  4765. val |= 0x880;
  4766. tw32(MAC_SERDES_CFG, val);
  4767. }
  4768. if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
  4769. tw32(MAC_SERDES_CFG, 0x616000);
  4770. }
  4771. /* Prevent chip from dropping frames when flow control
  4772. * is enabled.
  4773. */
  4774. tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
  4775. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  4776. (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  4777. /* Use hardware link auto-negotiation */
  4778. tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
  4779. }
  4780. err = tg3_setup_phy(tp, 1);
  4781. if (err)
  4782. return err;
  4783. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  4784. u32 tmp;
  4785. /* Clear CRC stats. */
  4786. if (!tg3_readphy(tp, 0x1e, &tmp)) {
  4787. tg3_writephy(tp, 0x1e, tmp | 0x8000);
  4788. tg3_readphy(tp, 0x14, &tmp);
  4789. }
  4790. }
  4791. __tg3_set_rx_mode(tp->dev);
  4792. /* Initialize receive rules. */
  4793. tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
  4794. tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
  4795. tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
  4796. tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
  4797. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4798. limit = 8;
  4799. else
  4800. limit = 16;
  4801. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
  4802. limit -= 4;
  4803. switch (limit) {
  4804. case 16:
  4805. tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
  4806. case 15:
  4807. tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
  4808. case 14:
  4809. tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
  4810. case 13:
  4811. tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
  4812. case 12:
  4813. tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
  4814. case 11:
  4815. tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
  4816. case 10:
  4817. tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
  4818. case 9:
  4819. tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
  4820. case 8:
  4821. tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
  4822. case 7:
  4823. tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
  4824. case 6:
  4825. tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
  4826. case 5:
  4827. tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
  4828. case 4:
  4829. /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
  4830. case 3:
  4831. /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
  4832. case 2:
  4833. case 1:
  4834. default:
  4835. break;
  4836. };
  4837. tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
  4838. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)
  4839. tg3_enable_ints(tp);
  4840. return 0;
  4841. }
  4842. /* Called at device open time to get the chip ready for
  4843. * packet processing. Invoked with tp->lock held.
  4844. */
  4845. static int tg3_init_hw(struct tg3 *tp)
  4846. {
  4847. int err;
  4848. /* Force the chip into D0. */
  4849. err = tg3_set_power_state(tp, 0);
  4850. if (err)
  4851. goto out;
  4852. tg3_switch_clocks(tp);
  4853. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  4854. err = tg3_reset_hw(tp);
  4855. out:
  4856. return err;
  4857. }
  4858. #define TG3_STAT_ADD32(PSTAT, REG) \
  4859. do { u32 __val = tr32(REG); \
  4860. (PSTAT)->low += __val; \
  4861. if ((PSTAT)->low < __val) \
  4862. (PSTAT)->high += 1; \
  4863. } while (0)
  4864. static void tg3_periodic_fetch_stats(struct tg3 *tp)
  4865. {
  4866. struct tg3_hw_stats *sp = tp->hw_stats;
  4867. if (!netif_carrier_ok(tp->dev))
  4868. return;
  4869. TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
  4870. TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
  4871. TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
  4872. TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
  4873. TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
  4874. TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
  4875. TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
  4876. TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
  4877. TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
  4878. TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
  4879. TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
  4880. TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
  4881. TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
  4882. TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
  4883. TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
  4884. TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
  4885. TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
  4886. TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
  4887. TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
  4888. TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
  4889. TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
  4890. TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
  4891. TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
  4892. TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
  4893. TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
  4894. TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
  4895. TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
  4896. }
  4897. static void tg3_timer(unsigned long __opaque)
  4898. {
  4899. struct tg3 *tp = (struct tg3 *) __opaque;
  4900. unsigned long flags;
  4901. spin_lock_irqsave(&tp->lock, flags);
  4902. spin_lock(&tp->tx_lock);
  4903. /* All of this garbage is because when using non-tagged
  4904. * IRQ status the mailbox/status_block protocol the chip
  4905. * uses with the cpu is race prone.
  4906. */
  4907. if (tp->hw_status->status & SD_STATUS_UPDATED) {
  4908. tw32(GRC_LOCAL_CTRL,
  4909. tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  4910. } else {
  4911. tw32(HOSTCC_MODE, tp->coalesce_mode |
  4912. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  4913. }
  4914. if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  4915. tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
  4916. spin_unlock(&tp->tx_lock);
  4917. spin_unlock_irqrestore(&tp->lock, flags);
  4918. schedule_work(&tp->reset_task);
  4919. return;
  4920. }
  4921. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4922. tg3_periodic_fetch_stats(tp);
  4923. /* This part only runs once per second. */
  4924. if (!--tp->timer_counter) {
  4925. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  4926. u32 mac_stat;
  4927. int phy_event;
  4928. mac_stat = tr32(MAC_STATUS);
  4929. phy_event = 0;
  4930. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
  4931. if (mac_stat & MAC_STATUS_MI_INTERRUPT)
  4932. phy_event = 1;
  4933. } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
  4934. phy_event = 1;
  4935. if (phy_event)
  4936. tg3_setup_phy(tp, 0);
  4937. } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
  4938. u32 mac_stat = tr32(MAC_STATUS);
  4939. int need_setup = 0;
  4940. if (netif_carrier_ok(tp->dev) &&
  4941. (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
  4942. need_setup = 1;
  4943. }
  4944. if (! netif_carrier_ok(tp->dev) &&
  4945. (mac_stat & (MAC_STATUS_PCS_SYNCED |
  4946. MAC_STATUS_SIGNAL_DET))) {
  4947. need_setup = 1;
  4948. }
  4949. if (need_setup) {
  4950. tw32_f(MAC_MODE,
  4951. (tp->mac_mode &
  4952. ~MAC_MODE_PORT_MODE_MASK));
  4953. udelay(40);
  4954. tw32_f(MAC_MODE, tp->mac_mode);
  4955. udelay(40);
  4956. tg3_setup_phy(tp, 0);
  4957. }
  4958. }
  4959. tp->timer_counter = tp->timer_multiplier;
  4960. }
  4961. /* Heartbeat is only sent once every 120 seconds. */
  4962. if (!--tp->asf_counter) {
  4963. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  4964. u32 val;
  4965. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_ALIVE);
  4966. tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
  4967. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 3);
  4968. val = tr32(GRC_RX_CPU_EVENT);
  4969. val |= (1 << 14);
  4970. tw32(GRC_RX_CPU_EVENT, val);
  4971. }
  4972. tp->asf_counter = tp->asf_multiplier;
  4973. }
  4974. spin_unlock(&tp->tx_lock);
  4975. spin_unlock_irqrestore(&tp->lock, flags);
  4976. tp->timer.expires = jiffies + tp->timer_offset;
  4977. add_timer(&tp->timer);
  4978. }
  4979. static int tg3_open(struct net_device *dev)
  4980. {
  4981. struct tg3 *tp = netdev_priv(dev);
  4982. int err;
  4983. spin_lock_irq(&tp->lock);
  4984. spin_lock(&tp->tx_lock);
  4985. tg3_disable_ints(tp);
  4986. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  4987. spin_unlock(&tp->tx_lock);
  4988. spin_unlock_irq(&tp->lock);
  4989. /* The placement of this call is tied
  4990. * to the setup and use of Host TX descriptors.
  4991. */
  4992. err = tg3_alloc_consistent(tp);
  4993. if (err)
  4994. return err;
  4995. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  4996. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
  4997. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
  4998. if (pci_enable_msi(tp->pdev) == 0) {
  4999. u32 msi_mode;
  5000. msi_mode = tr32(MSGINT_MODE);
  5001. tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
  5002. tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
  5003. }
  5004. }
  5005. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
  5006. err = request_irq(tp->pdev->irq, tg3_msi,
  5007. 0, dev->name, dev);
  5008. else
  5009. err = request_irq(tp->pdev->irq, tg3_interrupt,
  5010. SA_SHIRQ, dev->name, dev);
  5011. if (err) {
  5012. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5013. pci_disable_msi(tp->pdev);
  5014. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5015. }
  5016. tg3_free_consistent(tp);
  5017. return err;
  5018. }
  5019. spin_lock_irq(&tp->lock);
  5020. spin_lock(&tp->tx_lock);
  5021. err = tg3_init_hw(tp);
  5022. if (err) {
  5023. tg3_halt(tp);
  5024. tg3_free_rings(tp);
  5025. } else {
  5026. tp->timer_offset = HZ / 10;
  5027. tp->timer_counter = tp->timer_multiplier = 10;
  5028. tp->asf_counter = tp->asf_multiplier = (10 * 120);
  5029. init_timer(&tp->timer);
  5030. tp->timer.expires = jiffies + tp->timer_offset;
  5031. tp->timer.data = (unsigned long) tp;
  5032. tp->timer.function = tg3_timer;
  5033. add_timer(&tp->timer);
  5034. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  5035. }
  5036. spin_unlock(&tp->tx_lock);
  5037. spin_unlock_irq(&tp->lock);
  5038. if (err) {
  5039. free_irq(tp->pdev->irq, dev);
  5040. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5041. pci_disable_msi(tp->pdev);
  5042. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5043. }
  5044. tg3_free_consistent(tp);
  5045. return err;
  5046. }
  5047. spin_lock_irq(&tp->lock);
  5048. spin_lock(&tp->tx_lock);
  5049. tg3_enable_ints(tp);
  5050. spin_unlock(&tp->tx_lock);
  5051. spin_unlock_irq(&tp->lock);
  5052. netif_start_queue(dev);
  5053. return 0;
  5054. }
  5055. #if 0
  5056. /*static*/ void tg3_dump_state(struct tg3 *tp)
  5057. {
  5058. u32 val32, val32_2, val32_3, val32_4, val32_5;
  5059. u16 val16;
  5060. int i;
  5061. pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
  5062. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
  5063. printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
  5064. val16, val32);
  5065. /* MAC block */
  5066. printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
  5067. tr32(MAC_MODE), tr32(MAC_STATUS));
  5068. printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
  5069. tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
  5070. printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
  5071. tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
  5072. printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
  5073. tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
  5074. /* Send data initiator control block */
  5075. printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
  5076. tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
  5077. printk(" SNDDATAI_STATSCTRL[%08x]\n",
  5078. tr32(SNDDATAI_STATSCTRL));
  5079. /* Send data completion control block */
  5080. printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
  5081. /* Send BD ring selector block */
  5082. printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
  5083. tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
  5084. /* Send BD initiator control block */
  5085. printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
  5086. tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
  5087. /* Send BD completion control block */
  5088. printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
  5089. /* Receive list placement control block */
  5090. printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
  5091. tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
  5092. printk(" RCVLPC_STATSCTRL[%08x]\n",
  5093. tr32(RCVLPC_STATSCTRL));
  5094. /* Receive data and receive BD initiator control block */
  5095. printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
  5096. tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
  5097. /* Receive data completion control block */
  5098. printk("DEBUG: RCVDCC_MODE[%08x]\n",
  5099. tr32(RCVDCC_MODE));
  5100. /* Receive BD initiator control block */
  5101. printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
  5102. tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
  5103. /* Receive BD completion control block */
  5104. printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
  5105. tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
  5106. /* Receive list selector control block */
  5107. printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
  5108. tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
  5109. /* Mbuf cluster free block */
  5110. printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
  5111. tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
  5112. /* Host coalescing control block */
  5113. printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
  5114. tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
  5115. printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
  5116. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5117. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5118. printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
  5119. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5120. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5121. printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
  5122. tr32(HOSTCC_STATS_BLK_NIC_ADDR));
  5123. printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
  5124. tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
  5125. /* Memory arbiter control block */
  5126. printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
  5127. tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
  5128. /* Buffer manager control block */
  5129. printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
  5130. tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
  5131. printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
  5132. tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
  5133. printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
  5134. "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
  5135. tr32(BUFMGR_DMA_DESC_POOL_ADDR),
  5136. tr32(BUFMGR_DMA_DESC_POOL_SIZE));
  5137. /* Read DMA control block */
  5138. printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
  5139. tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
  5140. /* Write DMA control block */
  5141. printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
  5142. tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
  5143. /* DMA completion block */
  5144. printk("DEBUG: DMAC_MODE[%08x]\n",
  5145. tr32(DMAC_MODE));
  5146. /* GRC block */
  5147. printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
  5148. tr32(GRC_MODE), tr32(GRC_MISC_CFG));
  5149. printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
  5150. tr32(GRC_LOCAL_CTRL));
  5151. /* TG3_BDINFOs */
  5152. printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
  5153. tr32(RCVDBDI_JUMBO_BD + 0x0),
  5154. tr32(RCVDBDI_JUMBO_BD + 0x4),
  5155. tr32(RCVDBDI_JUMBO_BD + 0x8),
  5156. tr32(RCVDBDI_JUMBO_BD + 0xc));
  5157. printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
  5158. tr32(RCVDBDI_STD_BD + 0x0),
  5159. tr32(RCVDBDI_STD_BD + 0x4),
  5160. tr32(RCVDBDI_STD_BD + 0x8),
  5161. tr32(RCVDBDI_STD_BD + 0xc));
  5162. printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
  5163. tr32(RCVDBDI_MINI_BD + 0x0),
  5164. tr32(RCVDBDI_MINI_BD + 0x4),
  5165. tr32(RCVDBDI_MINI_BD + 0x8),
  5166. tr32(RCVDBDI_MINI_BD + 0xc));
  5167. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
  5168. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
  5169. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
  5170. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
  5171. printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
  5172. val32, val32_2, val32_3, val32_4);
  5173. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
  5174. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
  5175. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
  5176. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
  5177. printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
  5178. val32, val32_2, val32_3, val32_4);
  5179. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
  5180. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
  5181. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
  5182. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
  5183. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
  5184. printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
  5185. val32, val32_2, val32_3, val32_4, val32_5);
  5186. /* SW status block */
  5187. printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
  5188. tp->hw_status->status,
  5189. tp->hw_status->status_tag,
  5190. tp->hw_status->rx_jumbo_consumer,
  5191. tp->hw_status->rx_consumer,
  5192. tp->hw_status->rx_mini_consumer,
  5193. tp->hw_status->idx[0].rx_producer,
  5194. tp->hw_status->idx[0].tx_consumer);
  5195. /* SW statistics block */
  5196. printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
  5197. ((u32 *)tp->hw_stats)[0],
  5198. ((u32 *)tp->hw_stats)[1],
  5199. ((u32 *)tp->hw_stats)[2],
  5200. ((u32 *)tp->hw_stats)[3]);
  5201. /* Mailboxes */
  5202. printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
  5203. tr32(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
  5204. tr32(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
  5205. tr32(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
  5206. tr32(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
  5207. /* NIC side send descriptors. */
  5208. for (i = 0; i < 6; i++) {
  5209. unsigned long txd;
  5210. txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
  5211. + (i * sizeof(struct tg3_tx_buffer_desc));
  5212. printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
  5213. i,
  5214. readl(txd + 0x0), readl(txd + 0x4),
  5215. readl(txd + 0x8), readl(txd + 0xc));
  5216. }
  5217. /* NIC side RX descriptors. */
  5218. for (i = 0; i < 6; i++) {
  5219. unsigned long rxd;
  5220. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
  5221. + (i * sizeof(struct tg3_rx_buffer_desc));
  5222. printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
  5223. i,
  5224. readl(rxd + 0x0), readl(rxd + 0x4),
  5225. readl(rxd + 0x8), readl(rxd + 0xc));
  5226. rxd += (4 * sizeof(u32));
  5227. printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
  5228. i,
  5229. readl(rxd + 0x0), readl(rxd + 0x4),
  5230. readl(rxd + 0x8), readl(rxd + 0xc));
  5231. }
  5232. for (i = 0; i < 6; i++) {
  5233. unsigned long rxd;
  5234. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
  5235. + (i * sizeof(struct tg3_rx_buffer_desc));
  5236. printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
  5237. i,
  5238. readl(rxd + 0x0), readl(rxd + 0x4),
  5239. readl(rxd + 0x8), readl(rxd + 0xc));
  5240. rxd += (4 * sizeof(u32));
  5241. printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
  5242. i,
  5243. readl(rxd + 0x0), readl(rxd + 0x4),
  5244. readl(rxd + 0x8), readl(rxd + 0xc));
  5245. }
  5246. }
  5247. #endif
  5248. static struct net_device_stats *tg3_get_stats(struct net_device *);
  5249. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
  5250. static int tg3_close(struct net_device *dev)
  5251. {
  5252. struct tg3 *tp = netdev_priv(dev);
  5253. netif_stop_queue(dev);
  5254. del_timer_sync(&tp->timer);
  5255. spin_lock_irq(&tp->lock);
  5256. spin_lock(&tp->tx_lock);
  5257. #if 0
  5258. tg3_dump_state(tp);
  5259. #endif
  5260. tg3_disable_ints(tp);
  5261. tg3_halt(tp);
  5262. tg3_free_rings(tp);
  5263. tp->tg3_flags &=
  5264. ~(TG3_FLAG_INIT_COMPLETE |
  5265. TG3_FLAG_GOT_SERDES_FLOWCTL);
  5266. netif_carrier_off(tp->dev);
  5267. spin_unlock(&tp->tx_lock);
  5268. spin_unlock_irq(&tp->lock);
  5269. free_irq(tp->pdev->irq, dev);
  5270. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5271. pci_disable_msi(tp->pdev);
  5272. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5273. }
  5274. memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
  5275. sizeof(tp->net_stats_prev));
  5276. memcpy(&tp->estats_prev, tg3_get_estats(tp),
  5277. sizeof(tp->estats_prev));
  5278. tg3_free_consistent(tp);
  5279. return 0;
  5280. }
  5281. static inline unsigned long get_stat64(tg3_stat64_t *val)
  5282. {
  5283. unsigned long ret;
  5284. #if (BITS_PER_LONG == 32)
  5285. ret = val->low;
  5286. #else
  5287. ret = ((u64)val->high << 32) | ((u64)val->low);
  5288. #endif
  5289. return ret;
  5290. }
  5291. static unsigned long calc_crc_errors(struct tg3 *tp)
  5292. {
  5293. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5294. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  5295. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  5296. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  5297. unsigned long flags;
  5298. u32 val;
  5299. spin_lock_irqsave(&tp->lock, flags);
  5300. if (!tg3_readphy(tp, 0x1e, &val)) {
  5301. tg3_writephy(tp, 0x1e, val | 0x8000);
  5302. tg3_readphy(tp, 0x14, &val);
  5303. } else
  5304. val = 0;
  5305. spin_unlock_irqrestore(&tp->lock, flags);
  5306. tp->phy_crc_errors += val;
  5307. return tp->phy_crc_errors;
  5308. }
  5309. return get_stat64(&hw_stats->rx_fcs_errors);
  5310. }
  5311. #define ESTAT_ADD(member) \
  5312. estats->member = old_estats->member + \
  5313. get_stat64(&hw_stats->member)
  5314. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
  5315. {
  5316. struct tg3_ethtool_stats *estats = &tp->estats;
  5317. struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
  5318. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5319. if (!hw_stats)
  5320. return old_estats;
  5321. ESTAT_ADD(rx_octets);
  5322. ESTAT_ADD(rx_fragments);
  5323. ESTAT_ADD(rx_ucast_packets);
  5324. ESTAT_ADD(rx_mcast_packets);
  5325. ESTAT_ADD(rx_bcast_packets);
  5326. ESTAT_ADD(rx_fcs_errors);
  5327. ESTAT_ADD(rx_align_errors);
  5328. ESTAT_ADD(rx_xon_pause_rcvd);
  5329. ESTAT_ADD(rx_xoff_pause_rcvd);
  5330. ESTAT_ADD(rx_mac_ctrl_rcvd);
  5331. ESTAT_ADD(rx_xoff_entered);
  5332. ESTAT_ADD(rx_frame_too_long_errors);
  5333. ESTAT_ADD(rx_jabbers);
  5334. ESTAT_ADD(rx_undersize_packets);
  5335. ESTAT_ADD(rx_in_length_errors);
  5336. ESTAT_ADD(rx_out_length_errors);
  5337. ESTAT_ADD(rx_64_or_less_octet_packets);
  5338. ESTAT_ADD(rx_65_to_127_octet_packets);
  5339. ESTAT_ADD(rx_128_to_255_octet_packets);
  5340. ESTAT_ADD(rx_256_to_511_octet_packets);
  5341. ESTAT_ADD(rx_512_to_1023_octet_packets);
  5342. ESTAT_ADD(rx_1024_to_1522_octet_packets);
  5343. ESTAT_ADD(rx_1523_to_2047_octet_packets);
  5344. ESTAT_ADD(rx_2048_to_4095_octet_packets);
  5345. ESTAT_ADD(rx_4096_to_8191_octet_packets);
  5346. ESTAT_ADD(rx_8192_to_9022_octet_packets);
  5347. ESTAT_ADD(tx_octets);
  5348. ESTAT_ADD(tx_collisions);
  5349. ESTAT_ADD(tx_xon_sent);
  5350. ESTAT_ADD(tx_xoff_sent);
  5351. ESTAT_ADD(tx_flow_control);
  5352. ESTAT_ADD(tx_mac_errors);
  5353. ESTAT_ADD(tx_single_collisions);
  5354. ESTAT_ADD(tx_mult_collisions);
  5355. ESTAT_ADD(tx_deferred);
  5356. ESTAT_ADD(tx_excessive_collisions);
  5357. ESTAT_ADD(tx_late_collisions);
  5358. ESTAT_ADD(tx_collide_2times);
  5359. ESTAT_ADD(tx_collide_3times);
  5360. ESTAT_ADD(tx_collide_4times);
  5361. ESTAT_ADD(tx_collide_5times);
  5362. ESTAT_ADD(tx_collide_6times);
  5363. ESTAT_ADD(tx_collide_7times);
  5364. ESTAT_ADD(tx_collide_8times);
  5365. ESTAT_ADD(tx_collide_9times);
  5366. ESTAT_ADD(tx_collide_10times);
  5367. ESTAT_ADD(tx_collide_11times);
  5368. ESTAT_ADD(tx_collide_12times);
  5369. ESTAT_ADD(tx_collide_13times);
  5370. ESTAT_ADD(tx_collide_14times);
  5371. ESTAT_ADD(tx_collide_15times);
  5372. ESTAT_ADD(tx_ucast_packets);
  5373. ESTAT_ADD(tx_mcast_packets);
  5374. ESTAT_ADD(tx_bcast_packets);
  5375. ESTAT_ADD(tx_carrier_sense_errors);
  5376. ESTAT_ADD(tx_discards);
  5377. ESTAT_ADD(tx_errors);
  5378. ESTAT_ADD(dma_writeq_full);
  5379. ESTAT_ADD(dma_write_prioq_full);
  5380. ESTAT_ADD(rxbds_empty);
  5381. ESTAT_ADD(rx_discards);
  5382. ESTAT_ADD(rx_errors);
  5383. ESTAT_ADD(rx_threshold_hit);
  5384. ESTAT_ADD(dma_readq_full);
  5385. ESTAT_ADD(dma_read_prioq_full);
  5386. ESTAT_ADD(tx_comp_queue_full);
  5387. ESTAT_ADD(ring_set_send_prod_index);
  5388. ESTAT_ADD(ring_status_update);
  5389. ESTAT_ADD(nic_irqs);
  5390. ESTAT_ADD(nic_avoided_irqs);
  5391. ESTAT_ADD(nic_tx_threshold_hit);
  5392. return estats;
  5393. }
  5394. static struct net_device_stats *tg3_get_stats(struct net_device *dev)
  5395. {
  5396. struct tg3 *tp = netdev_priv(dev);
  5397. struct net_device_stats *stats = &tp->net_stats;
  5398. struct net_device_stats *old_stats = &tp->net_stats_prev;
  5399. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5400. if (!hw_stats)
  5401. return old_stats;
  5402. stats->rx_packets = old_stats->rx_packets +
  5403. get_stat64(&hw_stats->rx_ucast_packets) +
  5404. get_stat64(&hw_stats->rx_mcast_packets) +
  5405. get_stat64(&hw_stats->rx_bcast_packets);
  5406. stats->tx_packets = old_stats->tx_packets +
  5407. get_stat64(&hw_stats->tx_ucast_packets) +
  5408. get_stat64(&hw_stats->tx_mcast_packets) +
  5409. get_stat64(&hw_stats->tx_bcast_packets);
  5410. stats->rx_bytes = old_stats->rx_bytes +
  5411. get_stat64(&hw_stats->rx_octets);
  5412. stats->tx_bytes = old_stats->tx_bytes +
  5413. get_stat64(&hw_stats->tx_octets);
  5414. stats->rx_errors = old_stats->rx_errors +
  5415. get_stat64(&hw_stats->rx_errors) +
  5416. get_stat64(&hw_stats->rx_discards);
  5417. stats->tx_errors = old_stats->tx_errors +
  5418. get_stat64(&hw_stats->tx_errors) +
  5419. get_stat64(&hw_stats->tx_mac_errors) +
  5420. get_stat64(&hw_stats->tx_carrier_sense_errors) +
  5421. get_stat64(&hw_stats->tx_discards);
  5422. stats->multicast = old_stats->multicast +
  5423. get_stat64(&hw_stats->rx_mcast_packets);
  5424. stats->collisions = old_stats->collisions +
  5425. get_stat64(&hw_stats->tx_collisions);
  5426. stats->rx_length_errors = old_stats->rx_length_errors +
  5427. get_stat64(&hw_stats->rx_frame_too_long_errors) +
  5428. get_stat64(&hw_stats->rx_undersize_packets);
  5429. stats->rx_over_errors = old_stats->rx_over_errors +
  5430. get_stat64(&hw_stats->rxbds_empty);
  5431. stats->rx_frame_errors = old_stats->rx_frame_errors +
  5432. get_stat64(&hw_stats->rx_align_errors);
  5433. stats->tx_aborted_errors = old_stats->tx_aborted_errors +
  5434. get_stat64(&hw_stats->tx_discards);
  5435. stats->tx_carrier_errors = old_stats->tx_carrier_errors +
  5436. get_stat64(&hw_stats->tx_carrier_sense_errors);
  5437. stats->rx_crc_errors = old_stats->rx_crc_errors +
  5438. calc_crc_errors(tp);
  5439. return stats;
  5440. }
  5441. static inline u32 calc_crc(unsigned char *buf, int len)
  5442. {
  5443. u32 reg;
  5444. u32 tmp;
  5445. int j, k;
  5446. reg = 0xffffffff;
  5447. for (j = 0; j < len; j++) {
  5448. reg ^= buf[j];
  5449. for (k = 0; k < 8; k++) {
  5450. tmp = reg & 0x01;
  5451. reg >>= 1;
  5452. if (tmp) {
  5453. reg ^= 0xedb88320;
  5454. }
  5455. }
  5456. }
  5457. return ~reg;
  5458. }
  5459. static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
  5460. {
  5461. /* accept or reject all multicast frames */
  5462. tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
  5463. tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
  5464. tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
  5465. tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
  5466. }
  5467. static void __tg3_set_rx_mode(struct net_device *dev)
  5468. {
  5469. struct tg3 *tp = netdev_priv(dev);
  5470. u32 rx_mode;
  5471. rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
  5472. RX_MODE_KEEP_VLAN_TAG);
  5473. /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
  5474. * flag clear.
  5475. */
  5476. #if TG3_VLAN_TAG_USED
  5477. if (!tp->vlgrp &&
  5478. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  5479. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  5480. #else
  5481. /* By definition, VLAN is disabled always in this
  5482. * case.
  5483. */
  5484. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  5485. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  5486. #endif
  5487. if (dev->flags & IFF_PROMISC) {
  5488. /* Promiscuous mode. */
  5489. rx_mode |= RX_MODE_PROMISC;
  5490. } else if (dev->flags & IFF_ALLMULTI) {
  5491. /* Accept all multicast. */
  5492. tg3_set_multi (tp, 1);
  5493. } else if (dev->mc_count < 1) {
  5494. /* Reject all multicast. */
  5495. tg3_set_multi (tp, 0);
  5496. } else {
  5497. /* Accept one or more multicast(s). */
  5498. struct dev_mc_list *mclist;
  5499. unsigned int i;
  5500. u32 mc_filter[4] = { 0, };
  5501. u32 regidx;
  5502. u32 bit;
  5503. u32 crc;
  5504. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  5505. i++, mclist = mclist->next) {
  5506. crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
  5507. bit = ~crc & 0x7f;
  5508. regidx = (bit & 0x60) >> 5;
  5509. bit &= 0x1f;
  5510. mc_filter[regidx] |= (1 << bit);
  5511. }
  5512. tw32(MAC_HASH_REG_0, mc_filter[0]);
  5513. tw32(MAC_HASH_REG_1, mc_filter[1]);
  5514. tw32(MAC_HASH_REG_2, mc_filter[2]);
  5515. tw32(MAC_HASH_REG_3, mc_filter[3]);
  5516. }
  5517. if (rx_mode != tp->rx_mode) {
  5518. tp->rx_mode = rx_mode;
  5519. tw32_f(MAC_RX_MODE, rx_mode);
  5520. udelay(10);
  5521. }
  5522. }
  5523. static void tg3_set_rx_mode(struct net_device *dev)
  5524. {
  5525. struct tg3 *tp = netdev_priv(dev);
  5526. spin_lock_irq(&tp->lock);
  5527. spin_lock(&tp->tx_lock);
  5528. __tg3_set_rx_mode(dev);
  5529. spin_unlock(&tp->tx_lock);
  5530. spin_unlock_irq(&tp->lock);
  5531. }
  5532. #define TG3_REGDUMP_LEN (32 * 1024)
  5533. static int tg3_get_regs_len(struct net_device *dev)
  5534. {
  5535. return TG3_REGDUMP_LEN;
  5536. }
  5537. static void tg3_get_regs(struct net_device *dev,
  5538. struct ethtool_regs *regs, void *_p)
  5539. {
  5540. u32 *p = _p;
  5541. struct tg3 *tp = netdev_priv(dev);
  5542. u8 *orig_p = _p;
  5543. int i;
  5544. regs->version = 0;
  5545. memset(p, 0, TG3_REGDUMP_LEN);
  5546. spin_lock_irq(&tp->lock);
  5547. spin_lock(&tp->tx_lock);
  5548. #define __GET_REG32(reg) (*(p)++ = tr32(reg))
  5549. #define GET_REG32_LOOP(base,len) \
  5550. do { p = (u32 *)(orig_p + (base)); \
  5551. for (i = 0; i < len; i += 4) \
  5552. __GET_REG32((base) + i); \
  5553. } while (0)
  5554. #define GET_REG32_1(reg) \
  5555. do { p = (u32 *)(orig_p + (reg)); \
  5556. __GET_REG32((reg)); \
  5557. } while (0)
  5558. GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
  5559. GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
  5560. GET_REG32_LOOP(MAC_MODE, 0x4f0);
  5561. GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
  5562. GET_REG32_1(SNDDATAC_MODE);
  5563. GET_REG32_LOOP(SNDBDS_MODE, 0x80);
  5564. GET_REG32_LOOP(SNDBDI_MODE, 0x48);
  5565. GET_REG32_1(SNDBDC_MODE);
  5566. GET_REG32_LOOP(RCVLPC_MODE, 0x20);
  5567. GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
  5568. GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
  5569. GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
  5570. GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
  5571. GET_REG32_1(RCVDCC_MODE);
  5572. GET_REG32_LOOP(RCVBDI_MODE, 0x20);
  5573. GET_REG32_LOOP(RCVCC_MODE, 0x14);
  5574. GET_REG32_LOOP(RCVLSC_MODE, 0x08);
  5575. GET_REG32_1(MBFREE_MODE);
  5576. GET_REG32_LOOP(HOSTCC_MODE, 0x100);
  5577. GET_REG32_LOOP(MEMARB_MODE, 0x10);
  5578. GET_REG32_LOOP(BUFMGR_MODE, 0x58);
  5579. GET_REG32_LOOP(RDMAC_MODE, 0x08);
  5580. GET_REG32_LOOP(WDMAC_MODE, 0x08);
  5581. GET_REG32_LOOP(RX_CPU_BASE, 0x280);
  5582. GET_REG32_LOOP(TX_CPU_BASE, 0x280);
  5583. GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
  5584. GET_REG32_LOOP(FTQ_RESET, 0x120);
  5585. GET_REG32_LOOP(MSGINT_MODE, 0x0c);
  5586. GET_REG32_1(DMAC_MODE);
  5587. GET_REG32_LOOP(GRC_MODE, 0x4c);
  5588. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  5589. GET_REG32_LOOP(NVRAM_CMD, 0x24);
  5590. #undef __GET_REG32
  5591. #undef GET_REG32_LOOP
  5592. #undef GET_REG32_1
  5593. spin_unlock(&tp->tx_lock);
  5594. spin_unlock_irq(&tp->lock);
  5595. }
  5596. static int tg3_get_eeprom_len(struct net_device *dev)
  5597. {
  5598. struct tg3 *tp = netdev_priv(dev);
  5599. return tp->nvram_size;
  5600. }
  5601. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
  5602. static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  5603. {
  5604. struct tg3 *tp = netdev_priv(dev);
  5605. int ret;
  5606. u8 *pd;
  5607. u32 i, offset, len, val, b_offset, b_count;
  5608. offset = eeprom->offset;
  5609. len = eeprom->len;
  5610. eeprom->len = 0;
  5611. eeprom->magic = TG3_EEPROM_MAGIC;
  5612. if (offset & 3) {
  5613. /* adjustments to start on required 4 byte boundary */
  5614. b_offset = offset & 3;
  5615. b_count = 4 - b_offset;
  5616. if (b_count > len) {
  5617. /* i.e. offset=1 len=2 */
  5618. b_count = len;
  5619. }
  5620. ret = tg3_nvram_read(tp, offset-b_offset, &val);
  5621. if (ret)
  5622. return ret;
  5623. val = cpu_to_le32(val);
  5624. memcpy(data, ((char*)&val) + b_offset, b_count);
  5625. len -= b_count;
  5626. offset += b_count;
  5627. eeprom->len += b_count;
  5628. }
  5629. /* read bytes upto the last 4 byte boundary */
  5630. pd = &data[eeprom->len];
  5631. for (i = 0; i < (len - (len & 3)); i += 4) {
  5632. ret = tg3_nvram_read(tp, offset + i, &val);
  5633. if (ret) {
  5634. eeprom->len += i;
  5635. return ret;
  5636. }
  5637. val = cpu_to_le32(val);
  5638. memcpy(pd + i, &val, 4);
  5639. }
  5640. eeprom->len += i;
  5641. if (len & 3) {
  5642. /* read last bytes not ending on 4 byte boundary */
  5643. pd = &data[eeprom->len];
  5644. b_count = len & 3;
  5645. b_offset = offset + len - b_count;
  5646. ret = tg3_nvram_read(tp, b_offset, &val);
  5647. if (ret)
  5648. return ret;
  5649. val = cpu_to_le32(val);
  5650. memcpy(pd, ((char*)&val), b_count);
  5651. eeprom->len += b_count;
  5652. }
  5653. return 0;
  5654. }
  5655. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
  5656. static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  5657. {
  5658. struct tg3 *tp = netdev_priv(dev);
  5659. int ret;
  5660. u32 offset, len, b_offset, odd_len, start, end;
  5661. u8 *buf;
  5662. if (eeprom->magic != TG3_EEPROM_MAGIC)
  5663. return -EINVAL;
  5664. offset = eeprom->offset;
  5665. len = eeprom->len;
  5666. if ((b_offset = (offset & 3))) {
  5667. /* adjustments to start on required 4 byte boundary */
  5668. ret = tg3_nvram_read(tp, offset-b_offset, &start);
  5669. if (ret)
  5670. return ret;
  5671. start = cpu_to_le32(start);
  5672. len += b_offset;
  5673. offset &= ~3;
  5674. if (len < 4)
  5675. len = 4;
  5676. }
  5677. odd_len = 0;
  5678. if (len & 3) {
  5679. /* adjustments to end on required 4 byte boundary */
  5680. odd_len = 1;
  5681. len = (len + 3) & ~3;
  5682. ret = tg3_nvram_read(tp, offset+len-4, &end);
  5683. if (ret)
  5684. return ret;
  5685. end = cpu_to_le32(end);
  5686. }
  5687. buf = data;
  5688. if (b_offset || odd_len) {
  5689. buf = kmalloc(len, GFP_KERNEL);
  5690. if (buf == 0)
  5691. return -ENOMEM;
  5692. if (b_offset)
  5693. memcpy(buf, &start, 4);
  5694. if (odd_len)
  5695. memcpy(buf+len-4, &end, 4);
  5696. memcpy(buf + b_offset, data, eeprom->len);
  5697. }
  5698. ret = tg3_nvram_write_block(tp, offset, len, buf);
  5699. if (buf != data)
  5700. kfree(buf);
  5701. return ret;
  5702. }
  5703. static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5704. {
  5705. struct tg3 *tp = netdev_priv(dev);
  5706. cmd->supported = (SUPPORTED_Autoneg);
  5707. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  5708. cmd->supported |= (SUPPORTED_1000baseT_Half |
  5709. SUPPORTED_1000baseT_Full);
  5710. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES))
  5711. cmd->supported |= (SUPPORTED_100baseT_Half |
  5712. SUPPORTED_100baseT_Full |
  5713. SUPPORTED_10baseT_Half |
  5714. SUPPORTED_10baseT_Full |
  5715. SUPPORTED_MII);
  5716. else
  5717. cmd->supported |= SUPPORTED_FIBRE;
  5718. cmd->advertising = tp->link_config.advertising;
  5719. if (netif_running(dev)) {
  5720. cmd->speed = tp->link_config.active_speed;
  5721. cmd->duplex = tp->link_config.active_duplex;
  5722. }
  5723. cmd->port = 0;
  5724. cmd->phy_address = PHY_ADDR;
  5725. cmd->transceiver = 0;
  5726. cmd->autoneg = tp->link_config.autoneg;
  5727. cmd->maxtxpkt = 0;
  5728. cmd->maxrxpkt = 0;
  5729. return 0;
  5730. }
  5731. static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  5732. {
  5733. struct tg3 *tp = netdev_priv(dev);
  5734. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5735. /* These are the only valid advertisement bits allowed. */
  5736. if (cmd->autoneg == AUTONEG_ENABLE &&
  5737. (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
  5738. ADVERTISED_1000baseT_Full |
  5739. ADVERTISED_Autoneg |
  5740. ADVERTISED_FIBRE)))
  5741. return -EINVAL;
  5742. }
  5743. spin_lock_irq(&tp->lock);
  5744. spin_lock(&tp->tx_lock);
  5745. tp->link_config.autoneg = cmd->autoneg;
  5746. if (cmd->autoneg == AUTONEG_ENABLE) {
  5747. tp->link_config.advertising = cmd->advertising;
  5748. tp->link_config.speed = SPEED_INVALID;
  5749. tp->link_config.duplex = DUPLEX_INVALID;
  5750. } else {
  5751. tp->link_config.advertising = 0;
  5752. tp->link_config.speed = cmd->speed;
  5753. tp->link_config.duplex = cmd->duplex;
  5754. }
  5755. if (netif_running(dev))
  5756. tg3_setup_phy(tp, 1);
  5757. spin_unlock(&tp->tx_lock);
  5758. spin_unlock_irq(&tp->lock);
  5759. return 0;
  5760. }
  5761. static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  5762. {
  5763. struct tg3 *tp = netdev_priv(dev);
  5764. strcpy(info->driver, DRV_MODULE_NAME);
  5765. strcpy(info->version, DRV_MODULE_VERSION);
  5766. strcpy(info->bus_info, pci_name(tp->pdev));
  5767. }
  5768. static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5769. {
  5770. struct tg3 *tp = netdev_priv(dev);
  5771. wol->supported = WAKE_MAGIC;
  5772. wol->wolopts = 0;
  5773. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  5774. wol->wolopts = WAKE_MAGIC;
  5775. memset(&wol->sopass, 0, sizeof(wol->sopass));
  5776. }
  5777. static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  5778. {
  5779. struct tg3 *tp = netdev_priv(dev);
  5780. if (wol->wolopts & ~WAKE_MAGIC)
  5781. return -EINVAL;
  5782. if ((wol->wolopts & WAKE_MAGIC) &&
  5783. tp->tg3_flags2 & TG3_FLG2_PHY_SERDES &&
  5784. !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
  5785. return -EINVAL;
  5786. spin_lock_irq(&tp->lock);
  5787. if (wol->wolopts & WAKE_MAGIC)
  5788. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  5789. else
  5790. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  5791. spin_unlock_irq(&tp->lock);
  5792. return 0;
  5793. }
  5794. static u32 tg3_get_msglevel(struct net_device *dev)
  5795. {
  5796. struct tg3 *tp = netdev_priv(dev);
  5797. return tp->msg_enable;
  5798. }
  5799. static void tg3_set_msglevel(struct net_device *dev, u32 value)
  5800. {
  5801. struct tg3 *tp = netdev_priv(dev);
  5802. tp->msg_enable = value;
  5803. }
  5804. #if TG3_TSO_SUPPORT != 0
  5805. static int tg3_set_tso(struct net_device *dev, u32 value)
  5806. {
  5807. struct tg3 *tp = netdev_priv(dev);
  5808. if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  5809. if (value)
  5810. return -EINVAL;
  5811. return 0;
  5812. }
  5813. return ethtool_op_set_tso(dev, value);
  5814. }
  5815. #endif
  5816. static int tg3_nway_reset(struct net_device *dev)
  5817. {
  5818. struct tg3 *tp = netdev_priv(dev);
  5819. u32 bmcr;
  5820. int r;
  5821. if (!netif_running(dev))
  5822. return -EAGAIN;
  5823. spin_lock_irq(&tp->lock);
  5824. r = -EINVAL;
  5825. tg3_readphy(tp, MII_BMCR, &bmcr);
  5826. if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
  5827. (bmcr & BMCR_ANENABLE)) {
  5828. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART);
  5829. r = 0;
  5830. }
  5831. spin_unlock_irq(&tp->lock);
  5832. return r;
  5833. }
  5834. static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5835. {
  5836. struct tg3 *tp = netdev_priv(dev);
  5837. ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
  5838. ering->rx_mini_max_pending = 0;
  5839. ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
  5840. ering->rx_pending = tp->rx_pending;
  5841. ering->rx_mini_pending = 0;
  5842. ering->rx_jumbo_pending = tp->rx_jumbo_pending;
  5843. ering->tx_pending = tp->tx_pending;
  5844. }
  5845. static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  5846. {
  5847. struct tg3 *tp = netdev_priv(dev);
  5848. if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
  5849. (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
  5850. (ering->tx_pending > TG3_TX_RING_SIZE - 1))
  5851. return -EINVAL;
  5852. if (netif_running(dev))
  5853. tg3_netif_stop(tp);
  5854. spin_lock_irq(&tp->lock);
  5855. spin_lock(&tp->tx_lock);
  5856. tp->rx_pending = ering->rx_pending;
  5857. if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
  5858. tp->rx_pending > 63)
  5859. tp->rx_pending = 63;
  5860. tp->rx_jumbo_pending = ering->rx_jumbo_pending;
  5861. tp->tx_pending = ering->tx_pending;
  5862. if (netif_running(dev)) {
  5863. tg3_halt(tp);
  5864. tg3_init_hw(tp);
  5865. tg3_netif_start(tp);
  5866. }
  5867. spin_unlock(&tp->tx_lock);
  5868. spin_unlock_irq(&tp->lock);
  5869. return 0;
  5870. }
  5871. static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5872. {
  5873. struct tg3 *tp = netdev_priv(dev);
  5874. epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
  5875. epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
  5876. epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
  5877. }
  5878. static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  5879. {
  5880. struct tg3 *tp = netdev_priv(dev);
  5881. if (netif_running(dev))
  5882. tg3_netif_stop(tp);
  5883. spin_lock_irq(&tp->lock);
  5884. spin_lock(&tp->tx_lock);
  5885. if (epause->autoneg)
  5886. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  5887. else
  5888. tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
  5889. if (epause->rx_pause)
  5890. tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
  5891. else
  5892. tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
  5893. if (epause->tx_pause)
  5894. tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
  5895. else
  5896. tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
  5897. if (netif_running(dev)) {
  5898. tg3_halt(tp);
  5899. tg3_init_hw(tp);
  5900. tg3_netif_start(tp);
  5901. }
  5902. spin_unlock(&tp->tx_lock);
  5903. spin_unlock_irq(&tp->lock);
  5904. return 0;
  5905. }
  5906. static u32 tg3_get_rx_csum(struct net_device *dev)
  5907. {
  5908. struct tg3 *tp = netdev_priv(dev);
  5909. return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
  5910. }
  5911. static int tg3_set_rx_csum(struct net_device *dev, u32 data)
  5912. {
  5913. struct tg3 *tp = netdev_priv(dev);
  5914. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  5915. if (data != 0)
  5916. return -EINVAL;
  5917. return 0;
  5918. }
  5919. spin_lock_irq(&tp->lock);
  5920. if (data)
  5921. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  5922. else
  5923. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  5924. spin_unlock_irq(&tp->lock);
  5925. return 0;
  5926. }
  5927. static int tg3_set_tx_csum(struct net_device *dev, u32 data)
  5928. {
  5929. struct tg3 *tp = netdev_priv(dev);
  5930. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  5931. if (data != 0)
  5932. return -EINVAL;
  5933. return 0;
  5934. }
  5935. if (data)
  5936. dev->features |= NETIF_F_IP_CSUM;
  5937. else
  5938. dev->features &= ~NETIF_F_IP_CSUM;
  5939. return 0;
  5940. }
  5941. static int tg3_get_stats_count (struct net_device *dev)
  5942. {
  5943. return TG3_NUM_STATS;
  5944. }
  5945. static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
  5946. {
  5947. switch (stringset) {
  5948. case ETH_SS_STATS:
  5949. memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
  5950. break;
  5951. default:
  5952. WARN_ON(1); /* we need a WARN() */
  5953. break;
  5954. }
  5955. }
  5956. static void tg3_get_ethtool_stats (struct net_device *dev,
  5957. struct ethtool_stats *estats, u64 *tmp_stats)
  5958. {
  5959. struct tg3 *tp = netdev_priv(dev);
  5960. memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
  5961. }
  5962. static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  5963. {
  5964. struct mii_ioctl_data *data = if_mii(ifr);
  5965. struct tg3 *tp = netdev_priv(dev);
  5966. int err;
  5967. switch(cmd) {
  5968. case SIOCGMIIPHY:
  5969. data->phy_id = PHY_ADDR;
  5970. /* fallthru */
  5971. case SIOCGMIIREG: {
  5972. u32 mii_regval;
  5973. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  5974. break; /* We have no PHY */
  5975. spin_lock_irq(&tp->lock);
  5976. err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
  5977. spin_unlock_irq(&tp->lock);
  5978. data->val_out = mii_regval;
  5979. return err;
  5980. }
  5981. case SIOCSMIIREG:
  5982. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  5983. break; /* We have no PHY */
  5984. if (!capable(CAP_NET_ADMIN))
  5985. return -EPERM;
  5986. spin_lock_irq(&tp->lock);
  5987. err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
  5988. spin_unlock_irq(&tp->lock);
  5989. return err;
  5990. default:
  5991. /* do nothing */
  5992. break;
  5993. }
  5994. return -EOPNOTSUPP;
  5995. }
  5996. #if TG3_VLAN_TAG_USED
  5997. static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
  5998. {
  5999. struct tg3 *tp = netdev_priv(dev);
  6000. spin_lock_irq(&tp->lock);
  6001. spin_lock(&tp->tx_lock);
  6002. tp->vlgrp = grp;
  6003. /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
  6004. __tg3_set_rx_mode(dev);
  6005. spin_unlock(&tp->tx_lock);
  6006. spin_unlock_irq(&tp->lock);
  6007. }
  6008. static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
  6009. {
  6010. struct tg3 *tp = netdev_priv(dev);
  6011. spin_lock_irq(&tp->lock);
  6012. spin_lock(&tp->tx_lock);
  6013. if (tp->vlgrp)
  6014. tp->vlgrp->vlan_devices[vid] = NULL;
  6015. spin_unlock(&tp->tx_lock);
  6016. spin_unlock_irq(&tp->lock);
  6017. }
  6018. #endif
  6019. static struct ethtool_ops tg3_ethtool_ops = {
  6020. .get_settings = tg3_get_settings,
  6021. .set_settings = tg3_set_settings,
  6022. .get_drvinfo = tg3_get_drvinfo,
  6023. .get_regs_len = tg3_get_regs_len,
  6024. .get_regs = tg3_get_regs,
  6025. .get_wol = tg3_get_wol,
  6026. .set_wol = tg3_set_wol,
  6027. .get_msglevel = tg3_get_msglevel,
  6028. .set_msglevel = tg3_set_msglevel,
  6029. .nway_reset = tg3_nway_reset,
  6030. .get_link = ethtool_op_get_link,
  6031. .get_eeprom_len = tg3_get_eeprom_len,
  6032. .get_eeprom = tg3_get_eeprom,
  6033. .set_eeprom = tg3_set_eeprom,
  6034. .get_ringparam = tg3_get_ringparam,
  6035. .set_ringparam = tg3_set_ringparam,
  6036. .get_pauseparam = tg3_get_pauseparam,
  6037. .set_pauseparam = tg3_set_pauseparam,
  6038. .get_rx_csum = tg3_get_rx_csum,
  6039. .set_rx_csum = tg3_set_rx_csum,
  6040. .get_tx_csum = ethtool_op_get_tx_csum,
  6041. .set_tx_csum = tg3_set_tx_csum,
  6042. .get_sg = ethtool_op_get_sg,
  6043. .set_sg = ethtool_op_set_sg,
  6044. #if TG3_TSO_SUPPORT != 0
  6045. .get_tso = ethtool_op_get_tso,
  6046. .set_tso = tg3_set_tso,
  6047. #endif
  6048. .get_strings = tg3_get_strings,
  6049. .get_stats_count = tg3_get_stats_count,
  6050. .get_ethtool_stats = tg3_get_ethtool_stats,
  6051. };
  6052. static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
  6053. {
  6054. u32 cursize, val;
  6055. tp->nvram_size = EEPROM_CHIP_SIZE;
  6056. if (tg3_nvram_read(tp, 0, &val) != 0)
  6057. return;
  6058. if (swab32(val) != TG3_EEPROM_MAGIC)
  6059. return;
  6060. /*
  6061. * Size the chip by reading offsets at increasing powers of two.
  6062. * When we encounter our validation signature, we know the addressing
  6063. * has wrapped around, and thus have our chip size.
  6064. */
  6065. cursize = 0x800;
  6066. while (cursize < tp->nvram_size) {
  6067. if (tg3_nvram_read(tp, cursize, &val) != 0)
  6068. return;
  6069. if (swab32(val) == TG3_EEPROM_MAGIC)
  6070. break;
  6071. cursize <<= 1;
  6072. }
  6073. tp->nvram_size = cursize;
  6074. }
  6075. static void __devinit tg3_get_nvram_size(struct tg3 *tp)
  6076. {
  6077. u32 val;
  6078. if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
  6079. if (val != 0) {
  6080. tp->nvram_size = (val >> 16) * 1024;
  6081. return;
  6082. }
  6083. }
  6084. tp->nvram_size = 0x20000;
  6085. }
  6086. static void __devinit tg3_get_nvram_info(struct tg3 *tp)
  6087. {
  6088. u32 nvcfg1;
  6089. nvcfg1 = tr32(NVRAM_CFG1);
  6090. if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
  6091. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  6092. }
  6093. else {
  6094. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  6095. tw32(NVRAM_CFG1, nvcfg1);
  6096. }
  6097. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  6098. switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
  6099. case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
  6100. tp->nvram_jedecnum = JEDEC_ATMEL;
  6101. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  6102. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6103. break;
  6104. case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
  6105. tp->nvram_jedecnum = JEDEC_ATMEL;
  6106. tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
  6107. break;
  6108. case FLASH_VENDOR_ATMEL_EEPROM:
  6109. tp->nvram_jedecnum = JEDEC_ATMEL;
  6110. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  6111. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6112. break;
  6113. case FLASH_VENDOR_ST:
  6114. tp->nvram_jedecnum = JEDEC_ST;
  6115. tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
  6116. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6117. break;
  6118. case FLASH_VENDOR_SAIFUN:
  6119. tp->nvram_jedecnum = JEDEC_SAIFUN;
  6120. tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
  6121. break;
  6122. case FLASH_VENDOR_SST_SMALL:
  6123. case FLASH_VENDOR_SST_LARGE:
  6124. tp->nvram_jedecnum = JEDEC_SST;
  6125. tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
  6126. break;
  6127. }
  6128. }
  6129. else {
  6130. tp->nvram_jedecnum = JEDEC_ATMEL;
  6131. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  6132. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6133. }
  6134. }
  6135. static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
  6136. {
  6137. u32 nvcfg1;
  6138. nvcfg1 = tr32(NVRAM_CFG1);
  6139. /* NVRAM protection for TPM */
  6140. if (nvcfg1 & (1 << 27))
  6141. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  6142. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  6143. case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
  6144. case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
  6145. tp->nvram_jedecnum = JEDEC_ATMEL;
  6146. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6147. break;
  6148. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  6149. tp->nvram_jedecnum = JEDEC_ATMEL;
  6150. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6151. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  6152. break;
  6153. case FLASH_5752VENDOR_ST_M45PE10:
  6154. case FLASH_5752VENDOR_ST_M45PE20:
  6155. case FLASH_5752VENDOR_ST_M45PE40:
  6156. tp->nvram_jedecnum = JEDEC_ST;
  6157. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  6158. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  6159. break;
  6160. }
  6161. if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
  6162. switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
  6163. case FLASH_5752PAGE_SIZE_256:
  6164. tp->nvram_pagesize = 256;
  6165. break;
  6166. case FLASH_5752PAGE_SIZE_512:
  6167. tp->nvram_pagesize = 512;
  6168. break;
  6169. case FLASH_5752PAGE_SIZE_1K:
  6170. tp->nvram_pagesize = 1024;
  6171. break;
  6172. case FLASH_5752PAGE_SIZE_2K:
  6173. tp->nvram_pagesize = 2048;
  6174. break;
  6175. case FLASH_5752PAGE_SIZE_4K:
  6176. tp->nvram_pagesize = 4096;
  6177. break;
  6178. case FLASH_5752PAGE_SIZE_264:
  6179. tp->nvram_pagesize = 264;
  6180. break;
  6181. }
  6182. }
  6183. else {
  6184. /* For eeprom, set pagesize to maximum eeprom size */
  6185. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  6186. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  6187. tw32(NVRAM_CFG1, nvcfg1);
  6188. }
  6189. }
  6190. /* Chips other than 5700/5701 use the NVRAM for fetching info. */
  6191. static void __devinit tg3_nvram_init(struct tg3 *tp)
  6192. {
  6193. int j;
  6194. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
  6195. return;
  6196. tw32_f(GRC_EEPROM_ADDR,
  6197. (EEPROM_ADDR_FSM_RESET |
  6198. (EEPROM_DEFAULT_CLOCK_PERIOD <<
  6199. EEPROM_ADDR_CLKPERD_SHIFT)));
  6200. /* XXX schedule_timeout() ... */
  6201. for (j = 0; j < 100; j++)
  6202. udelay(10);
  6203. /* Enable seeprom accesses. */
  6204. tw32_f(GRC_LOCAL_CTRL,
  6205. tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
  6206. udelay(100);
  6207. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  6208. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  6209. tp->tg3_flags |= TG3_FLAG_NVRAM;
  6210. tg3_enable_nvram_access(tp);
  6211. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  6212. tg3_get_5752_nvram_info(tp);
  6213. else
  6214. tg3_get_nvram_info(tp);
  6215. tg3_get_nvram_size(tp);
  6216. tg3_disable_nvram_access(tp);
  6217. } else {
  6218. tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
  6219. tg3_get_eeprom_size(tp);
  6220. }
  6221. }
  6222. static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
  6223. u32 offset, u32 *val)
  6224. {
  6225. u32 tmp;
  6226. int i;
  6227. if (offset > EEPROM_ADDR_ADDR_MASK ||
  6228. (offset % 4) != 0)
  6229. return -EINVAL;
  6230. tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
  6231. EEPROM_ADDR_DEVID_MASK |
  6232. EEPROM_ADDR_READ);
  6233. tw32(GRC_EEPROM_ADDR,
  6234. tmp |
  6235. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  6236. ((offset << EEPROM_ADDR_ADDR_SHIFT) &
  6237. EEPROM_ADDR_ADDR_MASK) |
  6238. EEPROM_ADDR_READ | EEPROM_ADDR_START);
  6239. for (i = 0; i < 10000; i++) {
  6240. tmp = tr32(GRC_EEPROM_ADDR);
  6241. if (tmp & EEPROM_ADDR_COMPLETE)
  6242. break;
  6243. udelay(100);
  6244. }
  6245. if (!(tmp & EEPROM_ADDR_COMPLETE))
  6246. return -EBUSY;
  6247. *val = tr32(GRC_EEPROM_DATA);
  6248. return 0;
  6249. }
  6250. #define NVRAM_CMD_TIMEOUT 10000
  6251. static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
  6252. {
  6253. int i;
  6254. tw32(NVRAM_CMD, nvram_cmd);
  6255. for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
  6256. udelay(10);
  6257. if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
  6258. udelay(10);
  6259. break;
  6260. }
  6261. }
  6262. if (i == NVRAM_CMD_TIMEOUT) {
  6263. return -EBUSY;
  6264. }
  6265. return 0;
  6266. }
  6267. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
  6268. {
  6269. int ret;
  6270. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  6271. printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n");
  6272. return -EINVAL;
  6273. }
  6274. if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  6275. return tg3_nvram_read_using_eeprom(tp, offset, val);
  6276. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  6277. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  6278. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  6279. offset = ((offset / tp->nvram_pagesize) <<
  6280. ATMEL_AT45DB0X1B_PAGE_POS) +
  6281. (offset % tp->nvram_pagesize);
  6282. }
  6283. if (offset > NVRAM_ADDR_MSK)
  6284. return -EINVAL;
  6285. tg3_nvram_lock(tp);
  6286. tg3_enable_nvram_access(tp);
  6287. tw32(NVRAM_ADDR, offset);
  6288. ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
  6289. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
  6290. if (ret == 0)
  6291. *val = swab32(tr32(NVRAM_RDDATA));
  6292. tg3_nvram_unlock(tp);
  6293. tg3_disable_nvram_access(tp);
  6294. return ret;
  6295. }
  6296. static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
  6297. u32 offset, u32 len, u8 *buf)
  6298. {
  6299. int i, j, rc = 0;
  6300. u32 val;
  6301. for (i = 0; i < len; i += 4) {
  6302. u32 addr, data;
  6303. addr = offset + i;
  6304. memcpy(&data, buf + i, 4);
  6305. tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
  6306. val = tr32(GRC_EEPROM_ADDR);
  6307. tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
  6308. val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
  6309. EEPROM_ADDR_READ);
  6310. tw32(GRC_EEPROM_ADDR, val |
  6311. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  6312. (addr & EEPROM_ADDR_ADDR_MASK) |
  6313. EEPROM_ADDR_START |
  6314. EEPROM_ADDR_WRITE);
  6315. for (j = 0; j < 10000; j++) {
  6316. val = tr32(GRC_EEPROM_ADDR);
  6317. if (val & EEPROM_ADDR_COMPLETE)
  6318. break;
  6319. udelay(100);
  6320. }
  6321. if (!(val & EEPROM_ADDR_COMPLETE)) {
  6322. rc = -EBUSY;
  6323. break;
  6324. }
  6325. }
  6326. return rc;
  6327. }
  6328. /* offset and length are dword aligned */
  6329. static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
  6330. u8 *buf)
  6331. {
  6332. int ret = 0;
  6333. u32 pagesize = tp->nvram_pagesize;
  6334. u32 pagemask = pagesize - 1;
  6335. u32 nvram_cmd;
  6336. u8 *tmp;
  6337. tmp = kmalloc(pagesize, GFP_KERNEL);
  6338. if (tmp == NULL)
  6339. return -ENOMEM;
  6340. while (len) {
  6341. int j;
  6342. u32 phy_addr, page_off, size;
  6343. phy_addr = offset & ~pagemask;
  6344. for (j = 0; j < pagesize; j += 4) {
  6345. if ((ret = tg3_nvram_read(tp, phy_addr + j,
  6346. (u32 *) (tmp + j))))
  6347. break;
  6348. }
  6349. if (ret)
  6350. break;
  6351. page_off = offset & pagemask;
  6352. size = pagesize;
  6353. if (len < size)
  6354. size = len;
  6355. len -= size;
  6356. memcpy(tmp + page_off, buf, size);
  6357. offset = offset + (pagesize - page_off);
  6358. tg3_enable_nvram_access(tp);
  6359. /*
  6360. * Before we can erase the flash page, we need
  6361. * to issue a special "write enable" command.
  6362. */
  6363. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  6364. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  6365. break;
  6366. /* Erase the target page */
  6367. tw32(NVRAM_ADDR, phy_addr);
  6368. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
  6369. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
  6370. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  6371. break;
  6372. /* Issue another write enable to start the write. */
  6373. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  6374. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  6375. break;
  6376. for (j = 0; j < pagesize; j += 4) {
  6377. u32 data;
  6378. data = *((u32 *) (tmp + j));
  6379. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  6380. tw32(NVRAM_ADDR, phy_addr + j);
  6381. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
  6382. NVRAM_CMD_WR;
  6383. if (j == 0)
  6384. nvram_cmd |= NVRAM_CMD_FIRST;
  6385. else if (j == (pagesize - 4))
  6386. nvram_cmd |= NVRAM_CMD_LAST;
  6387. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  6388. break;
  6389. }
  6390. if (ret)
  6391. break;
  6392. }
  6393. nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  6394. tg3_nvram_exec_cmd(tp, nvram_cmd);
  6395. kfree(tmp);
  6396. return ret;
  6397. }
  6398. /* offset and length are dword aligned */
  6399. static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
  6400. u8 *buf)
  6401. {
  6402. int i, ret = 0;
  6403. for (i = 0; i < len; i += 4, offset += 4) {
  6404. u32 data, page_off, phy_addr, nvram_cmd;
  6405. memcpy(&data, buf + i, 4);
  6406. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  6407. page_off = offset % tp->nvram_pagesize;
  6408. if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  6409. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  6410. phy_addr = ((offset / tp->nvram_pagesize) <<
  6411. ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
  6412. }
  6413. else {
  6414. phy_addr = offset;
  6415. }
  6416. tw32(NVRAM_ADDR, phy_addr);
  6417. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
  6418. if ((page_off == 0) || (i == 0))
  6419. nvram_cmd |= NVRAM_CMD_FIRST;
  6420. else if (page_off == (tp->nvram_pagesize - 4))
  6421. nvram_cmd |= NVRAM_CMD_LAST;
  6422. if (i == (len - 4))
  6423. nvram_cmd |= NVRAM_CMD_LAST;
  6424. if ((tp->nvram_jedecnum == JEDEC_ST) &&
  6425. (nvram_cmd & NVRAM_CMD_FIRST)) {
  6426. if ((ret = tg3_nvram_exec_cmd(tp,
  6427. NVRAM_CMD_WREN | NVRAM_CMD_GO |
  6428. NVRAM_CMD_DONE)))
  6429. break;
  6430. }
  6431. if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  6432. /* We always do complete word writes to eeprom. */
  6433. nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
  6434. }
  6435. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  6436. break;
  6437. }
  6438. return ret;
  6439. }
  6440. /* offset and length are dword aligned */
  6441. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
  6442. {
  6443. int ret;
  6444. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  6445. printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n");
  6446. return -EINVAL;
  6447. }
  6448. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  6449. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
  6450. ~GRC_LCLCTRL_GPIO_OUTPUT1);
  6451. udelay(40);
  6452. }
  6453. if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
  6454. ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
  6455. }
  6456. else {
  6457. u32 grc_mode;
  6458. tg3_nvram_lock(tp);
  6459. tg3_enable_nvram_access(tp);
  6460. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  6461. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
  6462. tw32(NVRAM_WRITE1, 0x406);
  6463. grc_mode = tr32(GRC_MODE);
  6464. tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
  6465. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
  6466. !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  6467. ret = tg3_nvram_write_block_buffered(tp, offset, len,
  6468. buf);
  6469. }
  6470. else {
  6471. ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
  6472. buf);
  6473. }
  6474. grc_mode = tr32(GRC_MODE);
  6475. tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
  6476. tg3_disable_nvram_access(tp);
  6477. tg3_nvram_unlock(tp);
  6478. }
  6479. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  6480. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  6481. udelay(40);
  6482. }
  6483. return ret;
  6484. }
  6485. struct subsys_tbl_ent {
  6486. u16 subsys_vendor, subsys_devid;
  6487. u32 phy_id;
  6488. };
  6489. static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
  6490. /* Broadcom boards. */
  6491. { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
  6492. { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
  6493. { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
  6494. { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
  6495. { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
  6496. { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
  6497. { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
  6498. { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
  6499. { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
  6500. { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
  6501. { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
  6502. /* 3com boards. */
  6503. { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
  6504. { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
  6505. { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
  6506. { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
  6507. { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
  6508. /* DELL boards. */
  6509. { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
  6510. { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
  6511. { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
  6512. { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
  6513. /* Compaq boards. */
  6514. { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
  6515. { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
  6516. { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
  6517. { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
  6518. { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
  6519. /* IBM boards. */
  6520. { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
  6521. };
  6522. static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
  6523. {
  6524. int i;
  6525. for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
  6526. if ((subsys_id_to_phy_id[i].subsys_vendor ==
  6527. tp->pdev->subsystem_vendor) &&
  6528. (subsys_id_to_phy_id[i].subsys_devid ==
  6529. tp->pdev->subsystem_device))
  6530. return &subsys_id_to_phy_id[i];
  6531. }
  6532. return NULL;
  6533. }
  6534. /* Since this function may be called in D3-hot power state during
  6535. * tg3_init_one(), only config cycles are allowed.
  6536. */
  6537. static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
  6538. {
  6539. u32 val;
  6540. /* Make sure register accesses (indirect or otherwise)
  6541. * will function correctly.
  6542. */
  6543. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  6544. tp->misc_host_ctrl);
  6545. tp->phy_id = PHY_ID_INVALID;
  6546. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  6547. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  6548. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  6549. u32 nic_cfg, led_cfg;
  6550. u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
  6551. int eeprom_phy_serdes = 0;
  6552. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  6553. tp->nic_sram_data_cfg = nic_cfg;
  6554. tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
  6555. ver >>= NIC_SRAM_DATA_VER_SHIFT;
  6556. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  6557. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  6558. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
  6559. (ver > 0) && (ver < 0x100))
  6560. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
  6561. if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
  6562. NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
  6563. eeprom_phy_serdes = 1;
  6564. tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
  6565. if (nic_phy_id != 0) {
  6566. u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
  6567. u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
  6568. eeprom_phy_id = (id1 >> 16) << 10;
  6569. eeprom_phy_id |= (id2 & 0xfc00) << 16;
  6570. eeprom_phy_id |= (id2 & 0x03ff) << 0;
  6571. } else
  6572. eeprom_phy_id = 0;
  6573. tp->phy_id = eeprom_phy_id;
  6574. if (eeprom_phy_serdes)
  6575. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  6576. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  6577. led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
  6578. SHASTA_EXT_LED_MODE_MASK);
  6579. else
  6580. led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
  6581. switch (led_cfg) {
  6582. default:
  6583. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
  6584. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  6585. break;
  6586. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
  6587. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  6588. break;
  6589. case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
  6590. tp->led_ctrl = LED_CTRL_MODE_MAC;
  6591. break;
  6592. case SHASTA_EXT_LED_SHARED:
  6593. tp->led_ctrl = LED_CTRL_MODE_SHARED;
  6594. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
  6595. tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
  6596. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  6597. LED_CTRL_MODE_PHY_2);
  6598. break;
  6599. case SHASTA_EXT_LED_MAC:
  6600. tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
  6601. break;
  6602. case SHASTA_EXT_LED_COMBO:
  6603. tp->led_ctrl = LED_CTRL_MODE_COMBO;
  6604. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
  6605. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  6606. LED_CTRL_MODE_PHY_2);
  6607. break;
  6608. };
  6609. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  6610. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
  6611. tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
  6612. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  6613. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  6614. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  6615. (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
  6616. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  6617. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  6618. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  6619. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  6620. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  6621. }
  6622. if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
  6623. tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
  6624. if (cfg2 & (1 << 17))
  6625. tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
  6626. /* serdes signal pre-emphasis in register 0x590 set by */
  6627. /* bootcode if bit 18 is set */
  6628. if (cfg2 & (1 << 18))
  6629. tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
  6630. }
  6631. }
  6632. static int __devinit tg3_phy_probe(struct tg3 *tp)
  6633. {
  6634. u32 hw_phy_id_1, hw_phy_id_2;
  6635. u32 hw_phy_id, hw_phy_id_masked;
  6636. int err;
  6637. /* Reading the PHY ID register can conflict with ASF
  6638. * firwmare access to the PHY hardware.
  6639. */
  6640. err = 0;
  6641. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  6642. hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
  6643. } else {
  6644. /* Now read the physical PHY_ID from the chip and verify
  6645. * that it is sane. If it doesn't look good, we fall back
  6646. * to either the hard-coded table based PHY_ID and failing
  6647. * that the value found in the eeprom area.
  6648. */
  6649. err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
  6650. err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
  6651. hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
  6652. hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
  6653. hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
  6654. hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
  6655. }
  6656. if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
  6657. tp->phy_id = hw_phy_id;
  6658. if (hw_phy_id_masked == PHY_ID_BCM8002)
  6659. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  6660. } else {
  6661. if (tp->phy_id != PHY_ID_INVALID) {
  6662. /* Do nothing, phy ID already set up in
  6663. * tg3_get_eeprom_hw_cfg().
  6664. */
  6665. } else {
  6666. struct subsys_tbl_ent *p;
  6667. /* No eeprom signature? Try the hardcoded
  6668. * subsys device table.
  6669. */
  6670. p = lookup_by_subsys(tp);
  6671. if (!p)
  6672. return -ENODEV;
  6673. tp->phy_id = p->phy_id;
  6674. if (!tp->phy_id ||
  6675. tp->phy_id == PHY_ID_BCM8002)
  6676. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  6677. }
  6678. }
  6679. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  6680. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  6681. u32 bmsr, adv_reg, tg3_ctrl;
  6682. tg3_readphy(tp, MII_BMSR, &bmsr);
  6683. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  6684. (bmsr & BMSR_LSTATUS))
  6685. goto skip_phy_reset;
  6686. err = tg3_phy_reset(tp);
  6687. if (err)
  6688. return err;
  6689. adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  6690. ADVERTISE_100HALF | ADVERTISE_100FULL |
  6691. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  6692. tg3_ctrl = 0;
  6693. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  6694. tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
  6695. MII_TG3_CTRL_ADV_1000_FULL);
  6696. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  6697. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  6698. tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
  6699. MII_TG3_CTRL_ENABLE_AS_MASTER);
  6700. }
  6701. if (!tg3_copper_is_advertising_all(tp)) {
  6702. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  6703. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  6704. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  6705. tg3_writephy(tp, MII_BMCR,
  6706. BMCR_ANENABLE | BMCR_ANRESTART);
  6707. }
  6708. tg3_phy_set_wirespeed(tp);
  6709. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  6710. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  6711. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  6712. }
  6713. skip_phy_reset:
  6714. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  6715. err = tg3_init_5401phy_dsp(tp);
  6716. if (err)
  6717. return err;
  6718. }
  6719. if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
  6720. err = tg3_init_5401phy_dsp(tp);
  6721. }
  6722. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6723. tp->link_config.advertising =
  6724. (ADVERTISED_1000baseT_Half |
  6725. ADVERTISED_1000baseT_Full |
  6726. ADVERTISED_Autoneg |
  6727. ADVERTISED_FIBRE);
  6728. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  6729. tp->link_config.advertising &=
  6730. ~(ADVERTISED_1000baseT_Half |
  6731. ADVERTISED_1000baseT_Full);
  6732. return err;
  6733. }
  6734. static void __devinit tg3_read_partno(struct tg3 *tp)
  6735. {
  6736. unsigned char vpd_data[256];
  6737. int i;
  6738. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  6739. /* Sun decided not to put the necessary bits in the
  6740. * NVRAM of their onboard tg3 parts :(
  6741. */
  6742. strcpy(tp->board_part_number, "Sun 570X");
  6743. return;
  6744. }
  6745. for (i = 0; i < 256; i += 4) {
  6746. u32 tmp;
  6747. if (tg3_nvram_read(tp, 0x100 + i, &tmp))
  6748. goto out_not_found;
  6749. vpd_data[i + 0] = ((tmp >> 0) & 0xff);
  6750. vpd_data[i + 1] = ((tmp >> 8) & 0xff);
  6751. vpd_data[i + 2] = ((tmp >> 16) & 0xff);
  6752. vpd_data[i + 3] = ((tmp >> 24) & 0xff);
  6753. }
  6754. /* Now parse and find the part number. */
  6755. for (i = 0; i < 256; ) {
  6756. unsigned char val = vpd_data[i];
  6757. int block_end;
  6758. if (val == 0x82 || val == 0x91) {
  6759. i = (i + 3 +
  6760. (vpd_data[i + 1] +
  6761. (vpd_data[i + 2] << 8)));
  6762. continue;
  6763. }
  6764. if (val != 0x90)
  6765. goto out_not_found;
  6766. block_end = (i + 3 +
  6767. (vpd_data[i + 1] +
  6768. (vpd_data[i + 2] << 8)));
  6769. i += 3;
  6770. while (i < block_end) {
  6771. if (vpd_data[i + 0] == 'P' &&
  6772. vpd_data[i + 1] == 'N') {
  6773. int partno_len = vpd_data[i + 2];
  6774. if (partno_len > 24)
  6775. goto out_not_found;
  6776. memcpy(tp->board_part_number,
  6777. &vpd_data[i + 3],
  6778. partno_len);
  6779. /* Success. */
  6780. return;
  6781. }
  6782. }
  6783. /* Part number not found. */
  6784. goto out_not_found;
  6785. }
  6786. out_not_found:
  6787. strcpy(tp->board_part_number, "none");
  6788. }
  6789. #ifdef CONFIG_SPARC64
  6790. static int __devinit tg3_is_sun_570X(struct tg3 *tp)
  6791. {
  6792. struct pci_dev *pdev = tp->pdev;
  6793. struct pcidev_cookie *pcp = pdev->sysdata;
  6794. if (pcp != NULL) {
  6795. int node = pcp->prom_node;
  6796. u32 venid;
  6797. int err;
  6798. err = prom_getproperty(node, "subsystem-vendor-id",
  6799. (char *) &venid, sizeof(venid));
  6800. if (err == 0 || err == -1)
  6801. return 0;
  6802. if (venid == PCI_VENDOR_ID_SUN)
  6803. return 1;
  6804. }
  6805. return 0;
  6806. }
  6807. #endif
  6808. static int __devinit tg3_get_invariants(struct tg3 *tp)
  6809. {
  6810. static struct pci_device_id write_reorder_chipsets[] = {
  6811. { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
  6812. PCI_DEVICE_ID_INTEL_82801AA_8) },
  6813. { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
  6814. PCI_DEVICE_ID_INTEL_82801AB_8) },
  6815. { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
  6816. PCI_DEVICE_ID_INTEL_82801BA_11) },
  6817. { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
  6818. PCI_DEVICE_ID_INTEL_82801BA_6) },
  6819. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  6820. PCI_DEVICE_ID_AMD_FE_GATE_700C) },
  6821. { },
  6822. };
  6823. u32 misc_ctrl_reg;
  6824. u32 cacheline_sz_reg;
  6825. u32 pci_state_reg, grc_misc_cfg;
  6826. u32 val;
  6827. u16 pci_cmd;
  6828. int err;
  6829. #ifdef CONFIG_SPARC64
  6830. if (tg3_is_sun_570X(tp))
  6831. tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
  6832. #endif
  6833. /* If we have an AMD 762 or Intel ICH/ICH0/ICH2 chipset, write
  6834. * reordering to the mailbox registers done by the host
  6835. * controller can cause major troubles. We read back from
  6836. * every mailbox register write to force the writes to be
  6837. * posted to the chip in order.
  6838. */
  6839. if (pci_dev_present(write_reorder_chipsets))
  6840. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  6841. /* Force memory write invalidate off. If we leave it on,
  6842. * then on 5700_BX chips we have to enable a workaround.
  6843. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
  6844. * to match the cacheline size. The Broadcom driver have this
  6845. * workaround but turns MWI off all the times so never uses
  6846. * it. This seems to suggest that the workaround is insufficient.
  6847. */
  6848. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  6849. pci_cmd &= ~PCI_COMMAND_INVALIDATE;
  6850. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  6851. /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
  6852. * has the register indirect write enable bit set before
  6853. * we try to access any of the MMIO registers. It is also
  6854. * critical that the PCI-X hw workaround situation is decided
  6855. * before that as well.
  6856. */
  6857. pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  6858. &misc_ctrl_reg);
  6859. tp->pci_chip_rev_id = (misc_ctrl_reg >>
  6860. MISC_HOST_CTRL_CHIPREV_SHIFT);
  6861. /* Wrong chip ID in 5752 A0. This code can be removed later
  6862. * as A0 is not in production.
  6863. */
  6864. if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
  6865. tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
  6866. /* Initialize misc host control in PCI block. */
  6867. tp->misc_host_ctrl |= (misc_ctrl_reg &
  6868. MISC_HOST_CTRL_CHIPREV);
  6869. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  6870. tp->misc_host_ctrl);
  6871. pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  6872. &cacheline_sz_reg);
  6873. tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
  6874. tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
  6875. tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
  6876. tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
  6877. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  6878. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  6879. tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
  6880. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
  6881. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  6882. tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
  6883. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  6884. tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
  6885. if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
  6886. tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
  6887. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  6888. tp->pci_lat_timer < 64) {
  6889. tp->pci_lat_timer = 64;
  6890. cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
  6891. cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
  6892. cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
  6893. cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
  6894. pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  6895. cacheline_sz_reg);
  6896. }
  6897. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  6898. &pci_state_reg);
  6899. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
  6900. tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
  6901. /* If this is a 5700 BX chipset, and we are in PCI-X
  6902. * mode, enable register write workaround.
  6903. *
  6904. * The workaround is to use indirect register accesses
  6905. * for all chip writes not to mailbox registers.
  6906. */
  6907. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
  6908. u32 pm_reg;
  6909. u16 pci_cmd;
  6910. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  6911. /* The chip can have it's power management PCI config
  6912. * space registers clobbered due to this bug.
  6913. * So explicitly force the chip into D0 here.
  6914. */
  6915. pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  6916. &pm_reg);
  6917. pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
  6918. pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
  6919. pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  6920. pm_reg);
  6921. /* Also, force SERR#/PERR# in PCI command. */
  6922. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  6923. pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
  6924. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  6925. }
  6926. }
  6927. /* Back to back register writes can cause problems on this chip,
  6928. * the workaround is to read back all reg writes except those to
  6929. * mailbox regs. See tg3_write_indirect_reg32().
  6930. *
  6931. * PCI Express 5750_A0 rev chips need this workaround too.
  6932. */
  6933. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  6934. ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  6935. tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
  6936. tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
  6937. if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
  6938. tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
  6939. if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
  6940. tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
  6941. /* Chip-specific fixup from Broadcom driver */
  6942. if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
  6943. (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
  6944. pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
  6945. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
  6946. }
  6947. /* Get eeprom hw config before calling tg3_set_power_state().
  6948. * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
  6949. * determined before calling tg3_set_power_state() so that
  6950. * we know whether or not to switch out of Vaux power.
  6951. * When the flag is set, it means that GPIO1 is used for eeprom
  6952. * write protect and also implies that it is a LOM where GPIOs
  6953. * are not used to switch power.
  6954. */
  6955. tg3_get_eeprom_hw_cfg(tp);
  6956. /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
  6957. * GPIO1 driven high will bring 5700's external PHY out of reset.
  6958. * It is also used as eeprom write protect on LOMs.
  6959. */
  6960. tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
  6961. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  6962. (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  6963. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  6964. GRC_LCLCTRL_GPIO_OUTPUT1);
  6965. /* Unused GPIO3 must be driven as output on 5752 because there
  6966. * are no pull-up resistors on unused GPIO pins.
  6967. */
  6968. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  6969. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  6970. /* Force the chip into D0. */
  6971. err = tg3_set_power_state(tp, 0);
  6972. if (err) {
  6973. printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
  6974. pci_name(tp->pdev));
  6975. return err;
  6976. }
  6977. /* 5700 B0 chips do not support checksumming correctly due
  6978. * to hardware bugs.
  6979. */
  6980. if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
  6981. tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
  6982. /* Pseudo-header checksum is done by hardware logic and not
  6983. * the offload processers, so make the chip do the pseudo-
  6984. * header checksums on receive. For transmit it is more
  6985. * convenient to do the pseudo-header checksum in software
  6986. * as Linux does that on transmit for us in all cases.
  6987. */
  6988. tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
  6989. tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
  6990. /* Derive initial jumbo mode from MTU assigned in
  6991. * ether_setup() via the alloc_etherdev() call
  6992. */
  6993. if (tp->dev->mtu > ETH_DATA_LEN)
  6994. tp->tg3_flags |= TG3_FLAG_JUMBO_ENABLE;
  6995. /* Determine WakeOnLan speed to use. */
  6996. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  6997. tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  6998. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
  6999. tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
  7000. tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
  7001. } else {
  7002. tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
  7003. }
  7004. /* A few boards don't want Ethernet@WireSpeed phy feature */
  7005. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  7006. ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  7007. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
  7008. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)))
  7009. tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
  7010. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
  7011. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
  7012. tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
  7013. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
  7014. tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
  7015. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  7016. tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
  7017. /* Only 5701 and later support tagged irq status mode.
  7018. * Also, 5788 chips cannot use tagged irq status.
  7019. *
  7020. * However, since we are using NAPI avoid tagged irq status
  7021. * because the interrupt condition is more difficult to
  7022. * fully clear in that mode.
  7023. */
  7024. tp->coalesce_mode = 0;
  7025. if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
  7026. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
  7027. tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
  7028. /* Initialize MAC MI mode, polling disabled. */
  7029. tw32_f(MAC_MI_MODE, tp->mi_mode);
  7030. udelay(80);
  7031. /* Initialize data/descriptor byte/word swapping. */
  7032. val = tr32(GRC_MODE);
  7033. val &= GRC_MODE_HOST_STACKUP;
  7034. tw32(GRC_MODE, val | tp->grc_mode);
  7035. tg3_switch_clocks(tp);
  7036. /* Clear this out for sanity. */
  7037. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  7038. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  7039. &pci_state_reg);
  7040. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
  7041. (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
  7042. u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
  7043. if (chiprevid == CHIPREV_ID_5701_A0 ||
  7044. chiprevid == CHIPREV_ID_5701_B0 ||
  7045. chiprevid == CHIPREV_ID_5701_B2 ||
  7046. chiprevid == CHIPREV_ID_5701_B5) {
  7047. void __iomem *sram_base;
  7048. /* Write some dummy words into the SRAM status block
  7049. * area, see if it reads back correctly. If the return
  7050. * value is bad, force enable the PCIX workaround.
  7051. */
  7052. sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
  7053. writel(0x00000000, sram_base);
  7054. writel(0x00000000, sram_base + 4);
  7055. writel(0xffffffff, sram_base + 4);
  7056. if (readl(sram_base) != 0x00000000)
  7057. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  7058. }
  7059. }
  7060. udelay(50);
  7061. tg3_nvram_init(tp);
  7062. grc_misc_cfg = tr32(GRC_MISC_CFG);
  7063. grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
  7064. /* Broadcom's driver says that CIOBE multisplit has a bug */
  7065. #if 0
  7066. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  7067. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
  7068. tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
  7069. tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
  7070. }
  7071. #endif
  7072. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  7073. (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
  7074. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
  7075. tp->tg3_flags2 |= TG3_FLG2_IS_5788;
  7076. /* these are limited to 10/100 only */
  7077. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  7078. (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
  7079. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  7080. tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  7081. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
  7082. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
  7083. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
  7084. (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  7085. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
  7086. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)))
  7087. tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
  7088. err = tg3_phy_probe(tp);
  7089. if (err) {
  7090. printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
  7091. pci_name(tp->pdev), err);
  7092. /* ... but do not return immediately ... */
  7093. }
  7094. tg3_read_partno(tp);
  7095. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  7096. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  7097. } else {
  7098. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  7099. tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
  7100. else
  7101. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  7102. }
  7103. /* 5700 {AX,BX} chips have a broken status block link
  7104. * change bit implementation, so we must use the
  7105. * status register in those cases.
  7106. */
  7107. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  7108. tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
  7109. else
  7110. tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
  7111. /* The led_ctrl is set during tg3_phy_probe, here we might
  7112. * have to force the link status polling mechanism based
  7113. * upon subsystem IDs.
  7114. */
  7115. if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
  7116. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  7117. tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
  7118. TG3_FLAG_USE_LINKCHG_REG);
  7119. }
  7120. /* For all SERDES we poll the MAC status register. */
  7121. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7122. tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
  7123. else
  7124. tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
  7125. /* 5700 BX chips need to have their TX producer index mailboxes
  7126. * written twice to workaround a bug.
  7127. */
  7128. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
  7129. tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
  7130. else
  7131. tp->tg3_flags &= ~TG3_FLAG_TXD_MBOX_HWBUG;
  7132. /* It seems all chips can get confused if TX buffers
  7133. * straddle the 4GB address boundary in some cases.
  7134. */
  7135. tp->dev->hard_start_xmit = tg3_start_xmit;
  7136. tp->rx_offset = 2;
  7137. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  7138. (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
  7139. tp->rx_offset = 0;
  7140. /* By default, disable wake-on-lan. User can change this
  7141. * using ETHTOOL_SWOL.
  7142. */
  7143. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  7144. return err;
  7145. }
  7146. #ifdef CONFIG_SPARC64
  7147. static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
  7148. {
  7149. struct net_device *dev = tp->dev;
  7150. struct pci_dev *pdev = tp->pdev;
  7151. struct pcidev_cookie *pcp = pdev->sysdata;
  7152. if (pcp != NULL) {
  7153. int node = pcp->prom_node;
  7154. if (prom_getproplen(node, "local-mac-address") == 6) {
  7155. prom_getproperty(node, "local-mac-address",
  7156. dev->dev_addr, 6);
  7157. return 0;
  7158. }
  7159. }
  7160. return -ENODEV;
  7161. }
  7162. static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
  7163. {
  7164. struct net_device *dev = tp->dev;
  7165. memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
  7166. return 0;
  7167. }
  7168. #endif
  7169. static int __devinit tg3_get_device_address(struct tg3 *tp)
  7170. {
  7171. struct net_device *dev = tp->dev;
  7172. u32 hi, lo, mac_offset;
  7173. #ifdef CONFIG_SPARC64
  7174. if (!tg3_get_macaddr_sparc(tp))
  7175. return 0;
  7176. #endif
  7177. mac_offset = 0x7c;
  7178. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  7179. !(tp->tg3_flags & TG3_FLG2_SUN_570X)) {
  7180. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  7181. mac_offset = 0xcc;
  7182. if (tg3_nvram_lock(tp))
  7183. tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
  7184. else
  7185. tg3_nvram_unlock(tp);
  7186. }
  7187. /* First try to get it from MAC address mailbox. */
  7188. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
  7189. if ((hi >> 16) == 0x484b) {
  7190. dev->dev_addr[0] = (hi >> 8) & 0xff;
  7191. dev->dev_addr[1] = (hi >> 0) & 0xff;
  7192. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
  7193. dev->dev_addr[2] = (lo >> 24) & 0xff;
  7194. dev->dev_addr[3] = (lo >> 16) & 0xff;
  7195. dev->dev_addr[4] = (lo >> 8) & 0xff;
  7196. dev->dev_addr[5] = (lo >> 0) & 0xff;
  7197. }
  7198. /* Next, try NVRAM. */
  7199. else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
  7200. !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
  7201. !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
  7202. dev->dev_addr[0] = ((hi >> 16) & 0xff);
  7203. dev->dev_addr[1] = ((hi >> 24) & 0xff);
  7204. dev->dev_addr[2] = ((lo >> 0) & 0xff);
  7205. dev->dev_addr[3] = ((lo >> 8) & 0xff);
  7206. dev->dev_addr[4] = ((lo >> 16) & 0xff);
  7207. dev->dev_addr[5] = ((lo >> 24) & 0xff);
  7208. }
  7209. /* Finally just fetch it out of the MAC control regs. */
  7210. else {
  7211. hi = tr32(MAC_ADDR_0_HIGH);
  7212. lo = tr32(MAC_ADDR_0_LOW);
  7213. dev->dev_addr[5] = lo & 0xff;
  7214. dev->dev_addr[4] = (lo >> 8) & 0xff;
  7215. dev->dev_addr[3] = (lo >> 16) & 0xff;
  7216. dev->dev_addr[2] = (lo >> 24) & 0xff;
  7217. dev->dev_addr[1] = hi & 0xff;
  7218. dev->dev_addr[0] = (hi >> 8) & 0xff;
  7219. }
  7220. if (!is_valid_ether_addr(&dev->dev_addr[0])) {
  7221. #ifdef CONFIG_SPARC64
  7222. if (!tg3_get_default_macaddr_sparc(tp))
  7223. return 0;
  7224. #endif
  7225. return -EINVAL;
  7226. }
  7227. return 0;
  7228. }
  7229. static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
  7230. {
  7231. struct tg3_internal_buffer_desc test_desc;
  7232. u32 sram_dma_descs;
  7233. int i, ret;
  7234. sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
  7235. tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
  7236. tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
  7237. tw32(RDMAC_STATUS, 0);
  7238. tw32(WDMAC_STATUS, 0);
  7239. tw32(BUFMGR_MODE, 0);
  7240. tw32(FTQ_RESET, 0);
  7241. test_desc.addr_hi = ((u64) buf_dma) >> 32;
  7242. test_desc.addr_lo = buf_dma & 0xffffffff;
  7243. test_desc.nic_mbuf = 0x00002100;
  7244. test_desc.len = size;
  7245. /*
  7246. * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
  7247. * the *second* time the tg3 driver was getting loaded after an
  7248. * initial scan.
  7249. *
  7250. * Broadcom tells me:
  7251. * ...the DMA engine is connected to the GRC block and a DMA
  7252. * reset may affect the GRC block in some unpredictable way...
  7253. * The behavior of resets to individual blocks has not been tested.
  7254. *
  7255. * Broadcom noted the GRC reset will also reset all sub-components.
  7256. */
  7257. if (to_device) {
  7258. test_desc.cqid_sqid = (13 << 8) | 2;
  7259. tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
  7260. udelay(40);
  7261. } else {
  7262. test_desc.cqid_sqid = (16 << 8) | 7;
  7263. tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
  7264. udelay(40);
  7265. }
  7266. test_desc.flags = 0x00000005;
  7267. for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
  7268. u32 val;
  7269. val = *(((u32 *)&test_desc) + i);
  7270. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
  7271. sram_dma_descs + (i * sizeof(u32)));
  7272. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  7273. }
  7274. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  7275. if (to_device) {
  7276. tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
  7277. } else {
  7278. tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
  7279. }
  7280. ret = -ENODEV;
  7281. for (i = 0; i < 40; i++) {
  7282. u32 val;
  7283. if (to_device)
  7284. val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
  7285. else
  7286. val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
  7287. if ((val & 0xffff) == sram_dma_descs) {
  7288. ret = 0;
  7289. break;
  7290. }
  7291. udelay(100);
  7292. }
  7293. return ret;
  7294. }
  7295. #define TEST_BUFFER_SIZE 0x400
  7296. static int __devinit tg3_test_dma(struct tg3 *tp)
  7297. {
  7298. dma_addr_t buf_dma;
  7299. u32 *buf;
  7300. int ret;
  7301. buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
  7302. if (!buf) {
  7303. ret = -ENOMEM;
  7304. goto out_nofree;
  7305. }
  7306. tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
  7307. (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
  7308. #ifndef CONFIG_X86
  7309. {
  7310. u8 byte;
  7311. int cacheline_size;
  7312. pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
  7313. if (byte == 0)
  7314. cacheline_size = 1024;
  7315. else
  7316. cacheline_size = (int) byte * 4;
  7317. switch (cacheline_size) {
  7318. case 16:
  7319. case 32:
  7320. case 64:
  7321. case 128:
  7322. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  7323. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  7324. tp->dma_rwctrl |=
  7325. DMA_RWCTRL_WRITE_BNDRY_384_PCIX;
  7326. break;
  7327. } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  7328. tp->dma_rwctrl &=
  7329. ~(DMA_RWCTRL_PCI_WRITE_CMD);
  7330. tp->dma_rwctrl |=
  7331. DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
  7332. break;
  7333. }
  7334. /* fallthrough */
  7335. case 256:
  7336. if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  7337. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  7338. tp->dma_rwctrl |=
  7339. DMA_RWCTRL_WRITE_BNDRY_256;
  7340. else if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  7341. tp->dma_rwctrl |=
  7342. DMA_RWCTRL_WRITE_BNDRY_256_PCIX;
  7343. };
  7344. }
  7345. #endif
  7346. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  7347. /* DMA read watermark not used on PCIE */
  7348. tp->dma_rwctrl |= 0x00180000;
  7349. } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  7350. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
  7351. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
  7352. tp->dma_rwctrl |= 0x003f0000;
  7353. else
  7354. tp->dma_rwctrl |= 0x003f000f;
  7355. } else {
  7356. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  7357. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  7358. u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
  7359. if (ccval == 0x6 || ccval == 0x7)
  7360. tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
  7361. /* Set bit 23 to renable PCIX hw bug fix */
  7362. tp->dma_rwctrl |= 0x009f0000;
  7363. } else {
  7364. tp->dma_rwctrl |= 0x001b000f;
  7365. }
  7366. }
  7367. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  7368. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  7369. tp->dma_rwctrl &= 0xfffffff0;
  7370. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  7371. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  7372. /* Remove this if it causes problems for some boards. */
  7373. tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
  7374. /* On 5700/5701 chips, we need to set this bit.
  7375. * Otherwise the chip will issue cacheline transactions
  7376. * to streamable DMA memory with not all the byte
  7377. * enables turned on. This is an error on several
  7378. * RISC PCI controllers, in particular sparc64.
  7379. *
  7380. * On 5703/5704 chips, this bit has been reassigned
  7381. * a different meaning. In particular, it is used
  7382. * on those chips to enable a PCI-X workaround.
  7383. */
  7384. tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
  7385. }
  7386. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  7387. #if 0
  7388. /* Unneeded, already done by tg3_get_invariants. */
  7389. tg3_switch_clocks(tp);
  7390. #endif
  7391. ret = 0;
  7392. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  7393. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  7394. goto out;
  7395. while (1) {
  7396. u32 *p = buf, i;
  7397. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
  7398. p[i] = i;
  7399. /* Send the buffer to the chip. */
  7400. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
  7401. if (ret) {
  7402. printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
  7403. break;
  7404. }
  7405. #if 0
  7406. /* validate data reached card RAM correctly. */
  7407. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  7408. u32 val;
  7409. tg3_read_mem(tp, 0x2100 + (i*4), &val);
  7410. if (le32_to_cpu(val) != p[i]) {
  7411. printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
  7412. /* ret = -ENODEV here? */
  7413. }
  7414. p[i] = 0;
  7415. }
  7416. #endif
  7417. /* Now read it back. */
  7418. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
  7419. if (ret) {
  7420. printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
  7421. break;
  7422. }
  7423. /* Verify it. */
  7424. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  7425. if (p[i] == i)
  7426. continue;
  7427. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) ==
  7428. DMA_RWCTRL_WRITE_BNDRY_DISAB) {
  7429. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  7430. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  7431. break;
  7432. } else {
  7433. printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
  7434. ret = -ENODEV;
  7435. goto out;
  7436. }
  7437. }
  7438. if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
  7439. /* Success. */
  7440. ret = 0;
  7441. break;
  7442. }
  7443. }
  7444. out:
  7445. pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
  7446. out_nofree:
  7447. return ret;
  7448. }
  7449. static void __devinit tg3_init_link_config(struct tg3 *tp)
  7450. {
  7451. tp->link_config.advertising =
  7452. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  7453. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  7454. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  7455. ADVERTISED_Autoneg | ADVERTISED_MII);
  7456. tp->link_config.speed = SPEED_INVALID;
  7457. tp->link_config.duplex = DUPLEX_INVALID;
  7458. tp->link_config.autoneg = AUTONEG_ENABLE;
  7459. netif_carrier_off(tp->dev);
  7460. tp->link_config.active_speed = SPEED_INVALID;
  7461. tp->link_config.active_duplex = DUPLEX_INVALID;
  7462. tp->link_config.phy_is_low_power = 0;
  7463. tp->link_config.orig_speed = SPEED_INVALID;
  7464. tp->link_config.orig_duplex = DUPLEX_INVALID;
  7465. tp->link_config.orig_autoneg = AUTONEG_INVALID;
  7466. }
  7467. static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
  7468. {
  7469. tp->bufmgr_config.mbuf_read_dma_low_water =
  7470. DEFAULT_MB_RDMA_LOW_WATER;
  7471. tp->bufmgr_config.mbuf_mac_rx_low_water =
  7472. DEFAULT_MB_MACRX_LOW_WATER;
  7473. tp->bufmgr_config.mbuf_high_water =
  7474. DEFAULT_MB_HIGH_WATER;
  7475. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  7476. DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
  7477. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  7478. DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
  7479. tp->bufmgr_config.mbuf_high_water_jumbo =
  7480. DEFAULT_MB_HIGH_WATER_JUMBO;
  7481. tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
  7482. tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
  7483. }
  7484. static char * __devinit tg3_phy_string(struct tg3 *tp)
  7485. {
  7486. switch (tp->phy_id & PHY_ID_MASK) {
  7487. case PHY_ID_BCM5400: return "5400";
  7488. case PHY_ID_BCM5401: return "5401";
  7489. case PHY_ID_BCM5411: return "5411";
  7490. case PHY_ID_BCM5701: return "5701";
  7491. case PHY_ID_BCM5703: return "5703";
  7492. case PHY_ID_BCM5704: return "5704";
  7493. case PHY_ID_BCM5705: return "5705";
  7494. case PHY_ID_BCM5750: return "5750";
  7495. case PHY_ID_BCM5752: return "5752";
  7496. case PHY_ID_BCM8002: return "8002/serdes";
  7497. case 0: return "serdes";
  7498. default: return "unknown";
  7499. };
  7500. }
  7501. static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
  7502. {
  7503. struct pci_dev *peer;
  7504. unsigned int func, devnr = tp->pdev->devfn & ~7;
  7505. for (func = 0; func < 8; func++) {
  7506. peer = pci_get_slot(tp->pdev->bus, devnr | func);
  7507. if (peer && peer != tp->pdev)
  7508. break;
  7509. pci_dev_put(peer);
  7510. }
  7511. if (!peer || peer == tp->pdev)
  7512. BUG();
  7513. /*
  7514. * We don't need to keep the refcount elevated; there's no way
  7515. * to remove one half of this device without removing the other
  7516. */
  7517. pci_dev_put(peer);
  7518. return peer;
  7519. }
  7520. static int __devinit tg3_init_one(struct pci_dev *pdev,
  7521. const struct pci_device_id *ent)
  7522. {
  7523. static int tg3_version_printed = 0;
  7524. unsigned long tg3reg_base, tg3reg_len;
  7525. struct net_device *dev;
  7526. struct tg3 *tp;
  7527. int i, err, pci_using_dac, pm_cap;
  7528. if (tg3_version_printed++ == 0)
  7529. printk(KERN_INFO "%s", version);
  7530. err = pci_enable_device(pdev);
  7531. if (err) {
  7532. printk(KERN_ERR PFX "Cannot enable PCI device, "
  7533. "aborting.\n");
  7534. return err;
  7535. }
  7536. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  7537. printk(KERN_ERR PFX "Cannot find proper PCI device "
  7538. "base address, aborting.\n");
  7539. err = -ENODEV;
  7540. goto err_out_disable_pdev;
  7541. }
  7542. err = pci_request_regions(pdev, DRV_MODULE_NAME);
  7543. if (err) {
  7544. printk(KERN_ERR PFX "Cannot obtain PCI resources, "
  7545. "aborting.\n");
  7546. goto err_out_disable_pdev;
  7547. }
  7548. pci_set_master(pdev);
  7549. /* Find power-management capability. */
  7550. pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  7551. if (pm_cap == 0) {
  7552. printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
  7553. "aborting.\n");
  7554. err = -EIO;
  7555. goto err_out_free_res;
  7556. }
  7557. /* Configure DMA attributes. */
  7558. err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
  7559. if (!err) {
  7560. pci_using_dac = 1;
  7561. err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
  7562. if (err < 0) {
  7563. printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
  7564. "for consistent allocations\n");
  7565. goto err_out_free_res;
  7566. }
  7567. } else {
  7568. err = pci_set_dma_mask(pdev, 0xffffffffULL);
  7569. if (err) {
  7570. printk(KERN_ERR PFX "No usable DMA configuration, "
  7571. "aborting.\n");
  7572. goto err_out_free_res;
  7573. }
  7574. pci_using_dac = 0;
  7575. }
  7576. tg3reg_base = pci_resource_start(pdev, 0);
  7577. tg3reg_len = pci_resource_len(pdev, 0);
  7578. dev = alloc_etherdev(sizeof(*tp));
  7579. if (!dev) {
  7580. printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
  7581. err = -ENOMEM;
  7582. goto err_out_free_res;
  7583. }
  7584. SET_MODULE_OWNER(dev);
  7585. SET_NETDEV_DEV(dev, &pdev->dev);
  7586. if (pci_using_dac)
  7587. dev->features |= NETIF_F_HIGHDMA;
  7588. dev->features |= NETIF_F_LLTX;
  7589. #if TG3_VLAN_TAG_USED
  7590. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  7591. dev->vlan_rx_register = tg3_vlan_rx_register;
  7592. dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
  7593. #endif
  7594. tp = netdev_priv(dev);
  7595. tp->pdev = pdev;
  7596. tp->dev = dev;
  7597. tp->pm_cap = pm_cap;
  7598. tp->mac_mode = TG3_DEF_MAC_MODE;
  7599. tp->rx_mode = TG3_DEF_RX_MODE;
  7600. tp->tx_mode = TG3_DEF_TX_MODE;
  7601. tp->mi_mode = MAC_MI_MODE_BASE;
  7602. if (tg3_debug > 0)
  7603. tp->msg_enable = tg3_debug;
  7604. else
  7605. tp->msg_enable = TG3_DEF_MSG_ENABLE;
  7606. /* The word/byte swap controls here control register access byte
  7607. * swapping. DMA data byte swapping is controlled in the GRC_MODE
  7608. * setting below.
  7609. */
  7610. tp->misc_host_ctrl =
  7611. MISC_HOST_CTRL_MASK_PCI_INT |
  7612. MISC_HOST_CTRL_WORD_SWAP |
  7613. MISC_HOST_CTRL_INDIR_ACCESS |
  7614. MISC_HOST_CTRL_PCISTATE_RW;
  7615. /* The NONFRM (non-frame) byte/word swap controls take effect
  7616. * on descriptor entries, anything which isn't packet data.
  7617. *
  7618. * The StrongARM chips on the board (one for tx, one for rx)
  7619. * are running in big-endian mode.
  7620. */
  7621. tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
  7622. GRC_MODE_WSWAP_NONFRM_DATA);
  7623. #ifdef __BIG_ENDIAN
  7624. tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
  7625. #endif
  7626. spin_lock_init(&tp->lock);
  7627. spin_lock_init(&tp->tx_lock);
  7628. spin_lock_init(&tp->indirect_lock);
  7629. INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
  7630. tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
  7631. if (tp->regs == 0UL) {
  7632. printk(KERN_ERR PFX "Cannot map device registers, "
  7633. "aborting.\n");
  7634. err = -ENOMEM;
  7635. goto err_out_free_dev;
  7636. }
  7637. tg3_init_link_config(tp);
  7638. tg3_init_bufmgr_config(tp);
  7639. tp->rx_pending = TG3_DEF_RX_RING_PENDING;
  7640. tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
  7641. tp->tx_pending = TG3_DEF_TX_RING_PENDING;
  7642. dev->open = tg3_open;
  7643. dev->stop = tg3_close;
  7644. dev->get_stats = tg3_get_stats;
  7645. dev->set_multicast_list = tg3_set_rx_mode;
  7646. dev->set_mac_address = tg3_set_mac_addr;
  7647. dev->do_ioctl = tg3_ioctl;
  7648. dev->tx_timeout = tg3_tx_timeout;
  7649. dev->poll = tg3_poll;
  7650. dev->ethtool_ops = &tg3_ethtool_ops;
  7651. dev->weight = 64;
  7652. dev->watchdog_timeo = TG3_TX_TIMEOUT;
  7653. dev->change_mtu = tg3_change_mtu;
  7654. dev->irq = pdev->irq;
  7655. #ifdef CONFIG_NET_POLL_CONTROLLER
  7656. dev->poll_controller = tg3_poll_controller;
  7657. #endif
  7658. err = tg3_get_invariants(tp);
  7659. if (err) {
  7660. printk(KERN_ERR PFX "Problem fetching invariants of chip, "
  7661. "aborting.\n");
  7662. goto err_out_iounmap;
  7663. }
  7664. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  7665. tp->bufmgr_config.mbuf_read_dma_low_water =
  7666. DEFAULT_MB_RDMA_LOW_WATER_5705;
  7667. tp->bufmgr_config.mbuf_mac_rx_low_water =
  7668. DEFAULT_MB_MACRX_LOW_WATER_5705;
  7669. tp->bufmgr_config.mbuf_high_water =
  7670. DEFAULT_MB_HIGH_WATER_5705;
  7671. }
  7672. #if TG3_TSO_SUPPORT != 0
  7673. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  7674. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  7675. }
  7676. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  7677. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  7678. tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
  7679. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  7680. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  7681. } else {
  7682. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  7683. }
  7684. /* TSO is off by default, user can enable using ethtool. */
  7685. #if 0
  7686. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
  7687. dev->features |= NETIF_F_TSO;
  7688. #endif
  7689. #endif
  7690. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
  7691. !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
  7692. !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
  7693. tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
  7694. tp->rx_pending = 63;
  7695. }
  7696. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  7697. tp->pdev_peer = tg3_find_5704_peer(tp);
  7698. err = tg3_get_device_address(tp);
  7699. if (err) {
  7700. printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
  7701. "aborting.\n");
  7702. goto err_out_iounmap;
  7703. }
  7704. /*
  7705. * Reset chip in case UNDI or EFI driver did not shutdown
  7706. * DMA self test will enable WDMAC and we'll see (spurious)
  7707. * pending DMA on the PCI bus at that point.
  7708. */
  7709. if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
  7710. (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  7711. pci_save_state(tp->pdev);
  7712. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  7713. tg3_halt(tp);
  7714. }
  7715. err = tg3_test_dma(tp);
  7716. if (err) {
  7717. printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
  7718. goto err_out_iounmap;
  7719. }
  7720. /* Tigon3 can do ipv4 only... and some chips have buggy
  7721. * checksumming.
  7722. */
  7723. if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
  7724. dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
  7725. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  7726. } else
  7727. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  7728. if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
  7729. dev->features &= ~NETIF_F_HIGHDMA;
  7730. /* flow control autonegotiation is default behavior */
  7731. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  7732. err = register_netdev(dev);
  7733. if (err) {
  7734. printk(KERN_ERR PFX "Cannot register net device, "
  7735. "aborting.\n");
  7736. goto err_out_iounmap;
  7737. }
  7738. pci_set_drvdata(pdev, dev);
  7739. /* Now that we have fully setup the chip, save away a snapshot
  7740. * of the PCI config space. We need to restore this after
  7741. * GRC_MISC_CFG core clock resets and some resume events.
  7742. */
  7743. pci_save_state(tp->pdev);
  7744. printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (PCI%s:%s:%s) %sBaseT Ethernet ",
  7745. dev->name,
  7746. tp->board_part_number,
  7747. tp->pci_chip_rev_id,
  7748. tg3_phy_string(tp),
  7749. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""),
  7750. ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ?
  7751. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") :
  7752. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")),
  7753. ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit"),
  7754. (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
  7755. for (i = 0; i < 6; i++)
  7756. printk("%2.2x%c", dev->dev_addr[i],
  7757. i == 5 ? '\n' : ':');
  7758. printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
  7759. "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
  7760. "TSOcap[%d] \n",
  7761. dev->name,
  7762. (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
  7763. (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
  7764. (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
  7765. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
  7766. (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
  7767. (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
  7768. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
  7769. return 0;
  7770. err_out_iounmap:
  7771. iounmap(tp->regs);
  7772. err_out_free_dev:
  7773. free_netdev(dev);
  7774. err_out_free_res:
  7775. pci_release_regions(pdev);
  7776. err_out_disable_pdev:
  7777. pci_disable_device(pdev);
  7778. pci_set_drvdata(pdev, NULL);
  7779. return err;
  7780. }
  7781. static void __devexit tg3_remove_one(struct pci_dev *pdev)
  7782. {
  7783. struct net_device *dev = pci_get_drvdata(pdev);
  7784. if (dev) {
  7785. struct tg3 *tp = netdev_priv(dev);
  7786. unregister_netdev(dev);
  7787. iounmap(tp->regs);
  7788. free_netdev(dev);
  7789. pci_release_regions(pdev);
  7790. pci_disable_device(pdev);
  7791. pci_set_drvdata(pdev, NULL);
  7792. }
  7793. }
  7794. static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
  7795. {
  7796. struct net_device *dev = pci_get_drvdata(pdev);
  7797. struct tg3 *tp = netdev_priv(dev);
  7798. int err;
  7799. if (!netif_running(dev))
  7800. return 0;
  7801. tg3_netif_stop(tp);
  7802. del_timer_sync(&tp->timer);
  7803. spin_lock_irq(&tp->lock);
  7804. spin_lock(&tp->tx_lock);
  7805. tg3_disable_ints(tp);
  7806. spin_unlock(&tp->tx_lock);
  7807. spin_unlock_irq(&tp->lock);
  7808. netif_device_detach(dev);
  7809. spin_lock_irq(&tp->lock);
  7810. spin_lock(&tp->tx_lock);
  7811. tg3_halt(tp);
  7812. spin_unlock(&tp->tx_lock);
  7813. spin_unlock_irq(&tp->lock);
  7814. err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
  7815. if (err) {
  7816. spin_lock_irq(&tp->lock);
  7817. spin_lock(&tp->tx_lock);
  7818. tg3_init_hw(tp);
  7819. tp->timer.expires = jiffies + tp->timer_offset;
  7820. add_timer(&tp->timer);
  7821. netif_device_attach(dev);
  7822. tg3_netif_start(tp);
  7823. spin_unlock(&tp->tx_lock);
  7824. spin_unlock_irq(&tp->lock);
  7825. }
  7826. return err;
  7827. }
  7828. static int tg3_resume(struct pci_dev *pdev)
  7829. {
  7830. struct net_device *dev = pci_get_drvdata(pdev);
  7831. struct tg3 *tp = netdev_priv(dev);
  7832. int err;
  7833. if (!netif_running(dev))
  7834. return 0;
  7835. pci_restore_state(tp->pdev);
  7836. err = tg3_set_power_state(tp, 0);
  7837. if (err)
  7838. return err;
  7839. netif_device_attach(dev);
  7840. spin_lock_irq(&tp->lock);
  7841. spin_lock(&tp->tx_lock);
  7842. tg3_init_hw(tp);
  7843. tp->timer.expires = jiffies + tp->timer_offset;
  7844. add_timer(&tp->timer);
  7845. tg3_enable_ints(tp);
  7846. tg3_netif_start(tp);
  7847. spin_unlock(&tp->tx_lock);
  7848. spin_unlock_irq(&tp->lock);
  7849. return 0;
  7850. }
  7851. static struct pci_driver tg3_driver = {
  7852. .name = DRV_MODULE_NAME,
  7853. .id_table = tg3_pci_tbl,
  7854. .probe = tg3_init_one,
  7855. .remove = __devexit_p(tg3_remove_one),
  7856. .suspend = tg3_suspend,
  7857. .resume = tg3_resume
  7858. };
  7859. static int __init tg3_init(void)
  7860. {
  7861. return pci_module_init(&tg3_driver);
  7862. }
  7863. static void __exit tg3_cleanup(void)
  7864. {
  7865. pci_unregister_driver(&tg3_driver);
  7866. }
  7867. module_init(tg3_init);
  7868. module_exit(tg3_cleanup);