tg3.c 307 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. * Derived from proprietary unpublished source code,
  11. * Copyright (C) 2000-2003 Broadcom Corporation.
  12. *
  13. * Permission is hereby granted for the distribution of this firmware
  14. * data in hexadecimal or equivalent format, provided this copyright
  15. * notice is accompanying it.
  16. */
  17. #include <linux/config.h>
  18. #include <linux/module.h>
  19. #include <linux/moduleparam.h>
  20. #include <linux/kernel.h>
  21. #include <linux/types.h>
  22. #include <linux/compiler.h>
  23. #include <linux/slab.h>
  24. #include <linux/delay.h>
  25. #include <linux/init.h>
  26. #include <linux/ioport.h>
  27. #include <linux/pci.h>
  28. #include <linux/netdevice.h>
  29. #include <linux/etherdevice.h>
  30. #include <linux/skbuff.h>
  31. #include <linux/ethtool.h>
  32. #include <linux/mii.h>
  33. #include <linux/if_vlan.h>
  34. #include <linux/ip.h>
  35. #include <linux/tcp.h>
  36. #include <linux/workqueue.h>
  37. #include <net/checksum.h>
  38. #include <asm/system.h>
  39. #include <asm/io.h>
  40. #include <asm/byteorder.h>
  41. #include <asm/uaccess.h>
  42. #ifdef CONFIG_SPARC64
  43. #include <asm/idprom.h>
  44. #include <asm/oplib.h>
  45. #include <asm/pbm.h>
  46. #endif
  47. #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  48. #define TG3_VLAN_TAG_USED 1
  49. #else
  50. #define TG3_VLAN_TAG_USED 0
  51. #endif
  52. #ifdef NETIF_F_TSO
  53. #define TG3_TSO_SUPPORT 1
  54. #else
  55. #define TG3_TSO_SUPPORT 0
  56. #endif
  57. #include "tg3.h"
  58. #define DRV_MODULE_NAME "tg3"
  59. #define PFX DRV_MODULE_NAME ": "
  60. #define DRV_MODULE_VERSION "3.38"
  61. #define DRV_MODULE_RELDATE "September 1, 2005"
  62. #define TG3_DEF_MAC_MODE 0
  63. #define TG3_DEF_RX_MODE 0
  64. #define TG3_DEF_TX_MODE 0
  65. #define TG3_DEF_MSG_ENABLE \
  66. (NETIF_MSG_DRV | \
  67. NETIF_MSG_PROBE | \
  68. NETIF_MSG_LINK | \
  69. NETIF_MSG_TIMER | \
  70. NETIF_MSG_IFDOWN | \
  71. NETIF_MSG_IFUP | \
  72. NETIF_MSG_RX_ERR | \
  73. NETIF_MSG_TX_ERR)
  74. /* length of time before we decide the hardware is borked,
  75. * and dev->tx_timeout() should be called to fix the problem
  76. */
  77. #define TG3_TX_TIMEOUT (5 * HZ)
  78. /* hardware minimum and maximum for a single frame's data payload */
  79. #define TG3_MIN_MTU 60
  80. #define TG3_MAX_MTU(tp) \
  81. ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  82. /* These numbers seem to be hard coded in the NIC firmware somehow.
  83. * You can't change the ring sizes, but you can change where you place
  84. * them in the NIC onboard memory.
  85. */
  86. #define TG3_RX_RING_SIZE 512
  87. #define TG3_DEF_RX_RING_PENDING 200
  88. #define TG3_RX_JUMBO_RING_SIZE 256
  89. #define TG3_DEF_RX_JUMBO_RING_PENDING 100
  90. /* Do not place this n-ring entries value into the tp struct itself,
  91. * we really want to expose these constants to GCC so that modulo et
  92. * al. operations are done with shifts and masks instead of with
  93. * hw multiply/modulo instructions. Another solution would be to
  94. * replace things like '% foo' with '& (foo - 1)'.
  95. */
  96. #define TG3_RX_RCB_RING_SIZE(tp) \
  97. ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
  98. #define TG3_TX_RING_SIZE 512
  99. #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
  100. #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  101. TG3_RX_RING_SIZE)
  102. #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  103. TG3_RX_JUMBO_RING_SIZE)
  104. #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
  105. TG3_RX_RCB_RING_SIZE(tp))
  106. #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
  107. TG3_TX_RING_SIZE)
  108. #define TX_BUFFS_AVAIL(TP) \
  109. ((TP)->tx_pending - \
  110. (((TP)->tx_prod - (TP)->tx_cons) & (TG3_TX_RING_SIZE - 1)))
  111. #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
  112. #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
  113. #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
  114. /* minimum number of free TX descriptors required to wake up TX process */
  115. #define TG3_TX_WAKEUP_THRESH (TG3_TX_RING_SIZE / 4)
  116. /* number of ETHTOOL_GSTATS u64's */
  117. #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
  118. #define TG3_NUM_TEST 6
  119. static char version[] __devinitdata =
  120. DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  121. MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
  122. MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
  123. MODULE_LICENSE("GPL");
  124. MODULE_VERSION(DRV_MODULE_VERSION);
  125. static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
  126. module_param(tg3_debug, int, 0);
  127. MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
  128. static struct pci_device_id tg3_pci_tbl[] = {
  129. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700,
  130. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  131. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701,
  132. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  133. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702,
  134. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  135. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703,
  136. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  137. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704,
  138. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  139. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE,
  140. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  141. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705,
  142. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  143. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2,
  144. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  145. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M,
  146. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  147. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2,
  148. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  149. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X,
  150. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  151. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X,
  152. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  153. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S,
  154. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  155. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3,
  156. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  157. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3,
  158. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  159. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782,
  160. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  161. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788,
  162. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  163. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789,
  164. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  165. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901,
  166. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  167. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2,
  168. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  169. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2,
  170. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  171. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F,
  172. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  173. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720,
  174. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  175. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721,
  176. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  177. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750,
  178. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  179. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751,
  180. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  181. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M,
  182. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  183. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M,
  184. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  185. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
  186. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  187. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
  188. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  189. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M,
  190. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  191. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
  192. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  193. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
  194. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  195. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
  196. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  197. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
  198. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  199. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
  200. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  201. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
  202. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  203. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
  204. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  205. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX,
  206. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  207. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000,
  208. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  209. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001,
  210. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  211. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003,
  212. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  213. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100,
  214. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  215. { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3,
  216. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  217. { 0, }
  218. };
  219. MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
  220. static struct {
  221. const char string[ETH_GSTRING_LEN];
  222. } ethtool_stats_keys[TG3_NUM_STATS] = {
  223. { "rx_octets" },
  224. { "rx_fragments" },
  225. { "rx_ucast_packets" },
  226. { "rx_mcast_packets" },
  227. { "rx_bcast_packets" },
  228. { "rx_fcs_errors" },
  229. { "rx_align_errors" },
  230. { "rx_xon_pause_rcvd" },
  231. { "rx_xoff_pause_rcvd" },
  232. { "rx_mac_ctrl_rcvd" },
  233. { "rx_xoff_entered" },
  234. { "rx_frame_too_long_errors" },
  235. { "rx_jabbers" },
  236. { "rx_undersize_packets" },
  237. { "rx_in_length_errors" },
  238. { "rx_out_length_errors" },
  239. { "rx_64_or_less_octet_packets" },
  240. { "rx_65_to_127_octet_packets" },
  241. { "rx_128_to_255_octet_packets" },
  242. { "rx_256_to_511_octet_packets" },
  243. { "rx_512_to_1023_octet_packets" },
  244. { "rx_1024_to_1522_octet_packets" },
  245. { "rx_1523_to_2047_octet_packets" },
  246. { "rx_2048_to_4095_octet_packets" },
  247. { "rx_4096_to_8191_octet_packets" },
  248. { "rx_8192_to_9022_octet_packets" },
  249. { "tx_octets" },
  250. { "tx_collisions" },
  251. { "tx_xon_sent" },
  252. { "tx_xoff_sent" },
  253. { "tx_flow_control" },
  254. { "tx_mac_errors" },
  255. { "tx_single_collisions" },
  256. { "tx_mult_collisions" },
  257. { "tx_deferred" },
  258. { "tx_excessive_collisions" },
  259. { "tx_late_collisions" },
  260. { "tx_collide_2times" },
  261. { "tx_collide_3times" },
  262. { "tx_collide_4times" },
  263. { "tx_collide_5times" },
  264. { "tx_collide_6times" },
  265. { "tx_collide_7times" },
  266. { "tx_collide_8times" },
  267. { "tx_collide_9times" },
  268. { "tx_collide_10times" },
  269. { "tx_collide_11times" },
  270. { "tx_collide_12times" },
  271. { "tx_collide_13times" },
  272. { "tx_collide_14times" },
  273. { "tx_collide_15times" },
  274. { "tx_ucast_packets" },
  275. { "tx_mcast_packets" },
  276. { "tx_bcast_packets" },
  277. { "tx_carrier_sense_errors" },
  278. { "tx_discards" },
  279. { "tx_errors" },
  280. { "dma_writeq_full" },
  281. { "dma_write_prioq_full" },
  282. { "rxbds_empty" },
  283. { "rx_discards" },
  284. { "rx_errors" },
  285. { "rx_threshold_hit" },
  286. { "dma_readq_full" },
  287. { "dma_read_prioq_full" },
  288. { "tx_comp_queue_full" },
  289. { "ring_set_send_prod_index" },
  290. { "ring_status_update" },
  291. { "nic_irqs" },
  292. { "nic_avoided_irqs" },
  293. { "nic_tx_threshold_hit" }
  294. };
  295. static struct {
  296. const char string[ETH_GSTRING_LEN];
  297. } ethtool_test_keys[TG3_NUM_TEST] = {
  298. { "nvram test (online) " },
  299. { "link test (online) " },
  300. { "register test (offline)" },
  301. { "memory test (offline)" },
  302. { "loopback test (offline)" },
  303. { "interrupt test (offline)" },
  304. };
  305. static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
  306. {
  307. unsigned long flags;
  308. spin_lock_irqsave(&tp->indirect_lock, flags);
  309. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  310. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  311. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  312. }
  313. static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
  314. {
  315. writel(val, tp->regs + off);
  316. readl(tp->regs + off);
  317. }
  318. static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
  319. {
  320. unsigned long flags;
  321. u32 val;
  322. spin_lock_irqsave(&tp->indirect_lock, flags);
  323. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  324. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  325. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  326. return val;
  327. }
  328. static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
  329. {
  330. unsigned long flags;
  331. if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
  332. pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
  333. TG3_64BIT_REG_LOW, val);
  334. return;
  335. }
  336. if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
  337. pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
  338. TG3_64BIT_REG_LOW, val);
  339. return;
  340. }
  341. spin_lock_irqsave(&tp->indirect_lock, flags);
  342. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  343. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  344. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  345. /* In indirect mode when disabling interrupts, we also need
  346. * to clear the interrupt bit in the GRC local ctrl register.
  347. */
  348. if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
  349. (val == 0x1)) {
  350. pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
  351. tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
  352. }
  353. }
  354. static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
  355. {
  356. unsigned long flags;
  357. u32 val;
  358. spin_lock_irqsave(&tp->indirect_lock, flags);
  359. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  360. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  361. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  362. return val;
  363. }
  364. static void _tw32_flush(struct tg3 *tp, u32 off, u32 val)
  365. {
  366. tp->write32(tp, off, val);
  367. if (!(tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) &&
  368. !(tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) &&
  369. !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  370. tp->read32(tp, off); /* flush */
  371. }
  372. static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
  373. {
  374. tp->write32_mbox(tp, off, val);
  375. if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  376. !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  377. tp->read32_mbox(tp, off);
  378. }
  379. static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
  380. {
  381. void __iomem *mbox = tp->regs + off;
  382. writel(val, mbox);
  383. if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  384. writel(val, mbox);
  385. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  386. readl(mbox);
  387. }
  388. static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
  389. {
  390. writel(val, tp->regs + off);
  391. }
  392. static u32 tg3_read32(struct tg3 *tp, u32 off)
  393. {
  394. return (readl(tp->regs + off));
  395. }
  396. #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
  397. #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
  398. #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
  399. #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
  400. #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
  401. #define tw32(reg,val) tp->write32(tp, reg, val)
  402. #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val))
  403. #define tr32(reg) tp->read32(tp, reg)
  404. static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
  405. {
  406. unsigned long flags;
  407. spin_lock_irqsave(&tp->indirect_lock, flags);
  408. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  409. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  410. /* Always leave this as zero. */
  411. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  412. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  413. }
  414. static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
  415. {
  416. unsigned long flags;
  417. spin_lock_irqsave(&tp->indirect_lock, flags);
  418. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  419. pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  420. /* Always leave this as zero. */
  421. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  422. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  423. }
  424. static void tg3_disable_ints(struct tg3 *tp)
  425. {
  426. tw32(TG3PCI_MISC_HOST_CTRL,
  427. (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
  428. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  429. }
  430. static inline void tg3_cond_int(struct tg3 *tp)
  431. {
  432. if (tp->hw_status->status & SD_STATUS_UPDATED)
  433. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  434. }
  435. static void tg3_enable_ints(struct tg3 *tp)
  436. {
  437. tp->irq_sync = 0;
  438. wmb();
  439. tw32(TG3PCI_MISC_HOST_CTRL,
  440. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  441. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  442. (tp->last_tag << 24));
  443. tg3_cond_int(tp);
  444. }
  445. static inline unsigned int tg3_has_work(struct tg3 *tp)
  446. {
  447. struct tg3_hw_status *sblk = tp->hw_status;
  448. unsigned int work_exists = 0;
  449. /* check for phy events */
  450. if (!(tp->tg3_flags &
  451. (TG3_FLAG_USE_LINKCHG_REG |
  452. TG3_FLAG_POLL_SERDES))) {
  453. if (sblk->status & SD_STATUS_LINK_CHG)
  454. work_exists = 1;
  455. }
  456. /* check for RX/TX work to do */
  457. if (sblk->idx[0].tx_consumer != tp->tx_cons ||
  458. sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  459. work_exists = 1;
  460. return work_exists;
  461. }
  462. /* tg3_restart_ints
  463. * similar to tg3_enable_ints, but it accurately determines whether there
  464. * is new work pending and can return without flushing the PIO write
  465. * which reenables interrupts
  466. */
  467. static void tg3_restart_ints(struct tg3 *tp)
  468. {
  469. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  470. tp->last_tag << 24);
  471. mmiowb();
  472. /* When doing tagged status, this work check is unnecessary.
  473. * The last_tag we write above tells the chip which piece of
  474. * work we've completed.
  475. */
  476. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  477. tg3_has_work(tp))
  478. tw32(HOSTCC_MODE, tp->coalesce_mode |
  479. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  480. }
  481. static inline void tg3_netif_stop(struct tg3 *tp)
  482. {
  483. tp->dev->trans_start = jiffies; /* prevent tx timeout */
  484. netif_poll_disable(tp->dev);
  485. netif_tx_disable(tp->dev);
  486. }
  487. static inline void tg3_netif_start(struct tg3 *tp)
  488. {
  489. netif_wake_queue(tp->dev);
  490. /* NOTE: unconditional netif_wake_queue is only appropriate
  491. * so long as all callers are assured to have free tx slots
  492. * (such as after tg3_init_hw)
  493. */
  494. netif_poll_enable(tp->dev);
  495. tp->hw_status->status |= SD_STATUS_UPDATED;
  496. tg3_enable_ints(tp);
  497. }
  498. static void tg3_switch_clocks(struct tg3 *tp)
  499. {
  500. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
  501. u32 orig_clock_ctrl;
  502. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  503. return;
  504. orig_clock_ctrl = clock_ctrl;
  505. clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
  506. CLOCK_CTRL_CLKRUN_OENABLE |
  507. 0x1f);
  508. tp->pci_clock_ctrl = clock_ctrl;
  509. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  510. if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
  511. tw32_f(TG3PCI_CLOCK_CTRL,
  512. clock_ctrl | CLOCK_CTRL_625_CORE);
  513. udelay(40);
  514. }
  515. } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
  516. tw32_f(TG3PCI_CLOCK_CTRL,
  517. clock_ctrl |
  518. (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK));
  519. udelay(40);
  520. tw32_f(TG3PCI_CLOCK_CTRL,
  521. clock_ctrl | (CLOCK_CTRL_ALTCLK));
  522. udelay(40);
  523. }
  524. tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl);
  525. udelay(40);
  526. }
  527. #define PHY_BUSY_LOOPS 5000
  528. static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  529. {
  530. u32 frame_val;
  531. unsigned int loops;
  532. int ret;
  533. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  534. tw32_f(MAC_MI_MODE,
  535. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  536. udelay(80);
  537. }
  538. *val = 0x0;
  539. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  540. MI_COM_PHY_ADDR_MASK);
  541. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  542. MI_COM_REG_ADDR_MASK);
  543. frame_val |= (MI_COM_CMD_READ | MI_COM_START);
  544. tw32_f(MAC_MI_COM, frame_val);
  545. loops = PHY_BUSY_LOOPS;
  546. while (loops != 0) {
  547. udelay(10);
  548. frame_val = tr32(MAC_MI_COM);
  549. if ((frame_val & MI_COM_BUSY) == 0) {
  550. udelay(5);
  551. frame_val = tr32(MAC_MI_COM);
  552. break;
  553. }
  554. loops -= 1;
  555. }
  556. ret = -EBUSY;
  557. if (loops != 0) {
  558. *val = frame_val & MI_COM_DATA_MASK;
  559. ret = 0;
  560. }
  561. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  562. tw32_f(MAC_MI_MODE, tp->mi_mode);
  563. udelay(80);
  564. }
  565. return ret;
  566. }
  567. static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  568. {
  569. u32 frame_val;
  570. unsigned int loops;
  571. int ret;
  572. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  573. tw32_f(MAC_MI_MODE,
  574. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  575. udelay(80);
  576. }
  577. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  578. MI_COM_PHY_ADDR_MASK);
  579. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  580. MI_COM_REG_ADDR_MASK);
  581. frame_val |= (val & MI_COM_DATA_MASK);
  582. frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
  583. tw32_f(MAC_MI_COM, frame_val);
  584. loops = PHY_BUSY_LOOPS;
  585. while (loops != 0) {
  586. udelay(10);
  587. frame_val = tr32(MAC_MI_COM);
  588. if ((frame_val & MI_COM_BUSY) == 0) {
  589. udelay(5);
  590. frame_val = tr32(MAC_MI_COM);
  591. break;
  592. }
  593. loops -= 1;
  594. }
  595. ret = -EBUSY;
  596. if (loops != 0)
  597. ret = 0;
  598. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  599. tw32_f(MAC_MI_MODE, tp->mi_mode);
  600. udelay(80);
  601. }
  602. return ret;
  603. }
  604. static void tg3_phy_set_wirespeed(struct tg3 *tp)
  605. {
  606. u32 val;
  607. if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
  608. return;
  609. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
  610. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
  611. tg3_writephy(tp, MII_TG3_AUX_CTRL,
  612. (val | (1 << 15) | (1 << 4)));
  613. }
  614. static int tg3_bmcr_reset(struct tg3 *tp)
  615. {
  616. u32 phy_control;
  617. int limit, err;
  618. /* OK, reset it, and poll the BMCR_RESET bit until it
  619. * clears or we time out.
  620. */
  621. phy_control = BMCR_RESET;
  622. err = tg3_writephy(tp, MII_BMCR, phy_control);
  623. if (err != 0)
  624. return -EBUSY;
  625. limit = 5000;
  626. while (limit--) {
  627. err = tg3_readphy(tp, MII_BMCR, &phy_control);
  628. if (err != 0)
  629. return -EBUSY;
  630. if ((phy_control & BMCR_RESET) == 0) {
  631. udelay(40);
  632. break;
  633. }
  634. udelay(10);
  635. }
  636. if (limit <= 0)
  637. return -EBUSY;
  638. return 0;
  639. }
  640. static int tg3_wait_macro_done(struct tg3 *tp)
  641. {
  642. int limit = 100;
  643. while (limit--) {
  644. u32 tmp32;
  645. if (!tg3_readphy(tp, 0x16, &tmp32)) {
  646. if ((tmp32 & 0x1000) == 0)
  647. break;
  648. }
  649. }
  650. if (limit <= 0)
  651. return -EBUSY;
  652. return 0;
  653. }
  654. static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
  655. {
  656. static const u32 test_pat[4][6] = {
  657. { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
  658. { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
  659. { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
  660. { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
  661. };
  662. int chan;
  663. for (chan = 0; chan < 4; chan++) {
  664. int i;
  665. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  666. (chan * 0x2000) | 0x0200);
  667. tg3_writephy(tp, 0x16, 0x0002);
  668. for (i = 0; i < 6; i++)
  669. tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
  670. test_pat[chan][i]);
  671. tg3_writephy(tp, 0x16, 0x0202);
  672. if (tg3_wait_macro_done(tp)) {
  673. *resetp = 1;
  674. return -EBUSY;
  675. }
  676. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  677. (chan * 0x2000) | 0x0200);
  678. tg3_writephy(tp, 0x16, 0x0082);
  679. if (tg3_wait_macro_done(tp)) {
  680. *resetp = 1;
  681. return -EBUSY;
  682. }
  683. tg3_writephy(tp, 0x16, 0x0802);
  684. if (tg3_wait_macro_done(tp)) {
  685. *resetp = 1;
  686. return -EBUSY;
  687. }
  688. for (i = 0; i < 6; i += 2) {
  689. u32 low, high;
  690. if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
  691. tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
  692. tg3_wait_macro_done(tp)) {
  693. *resetp = 1;
  694. return -EBUSY;
  695. }
  696. low &= 0x7fff;
  697. high &= 0x000f;
  698. if (low != test_pat[chan][i] ||
  699. high != test_pat[chan][i+1]) {
  700. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
  701. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
  702. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
  703. return -EBUSY;
  704. }
  705. }
  706. }
  707. return 0;
  708. }
  709. static int tg3_phy_reset_chanpat(struct tg3 *tp)
  710. {
  711. int chan;
  712. for (chan = 0; chan < 4; chan++) {
  713. int i;
  714. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  715. (chan * 0x2000) | 0x0200);
  716. tg3_writephy(tp, 0x16, 0x0002);
  717. for (i = 0; i < 6; i++)
  718. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
  719. tg3_writephy(tp, 0x16, 0x0202);
  720. if (tg3_wait_macro_done(tp))
  721. return -EBUSY;
  722. }
  723. return 0;
  724. }
  725. static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
  726. {
  727. u32 reg32, phy9_orig;
  728. int retries, do_phy_reset, err;
  729. retries = 10;
  730. do_phy_reset = 1;
  731. do {
  732. if (do_phy_reset) {
  733. err = tg3_bmcr_reset(tp);
  734. if (err)
  735. return err;
  736. do_phy_reset = 0;
  737. }
  738. /* Disable transmitter and interrupt. */
  739. if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
  740. continue;
  741. reg32 |= 0x3000;
  742. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  743. /* Set full-duplex, 1000 mbps. */
  744. tg3_writephy(tp, MII_BMCR,
  745. BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
  746. /* Set to master mode. */
  747. if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
  748. continue;
  749. tg3_writephy(tp, MII_TG3_CTRL,
  750. (MII_TG3_CTRL_AS_MASTER |
  751. MII_TG3_CTRL_ENABLE_AS_MASTER));
  752. /* Enable SM_DSP_CLOCK and 6dB. */
  753. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  754. /* Block the PHY control access. */
  755. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  756. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
  757. err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
  758. if (!err)
  759. break;
  760. } while (--retries);
  761. err = tg3_phy_reset_chanpat(tp);
  762. if (err)
  763. return err;
  764. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  765. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
  766. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
  767. tg3_writephy(tp, 0x16, 0x0000);
  768. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  769. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  770. /* Set Extended packet length bit for jumbo frames */
  771. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
  772. }
  773. else {
  774. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  775. }
  776. tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
  777. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
  778. reg32 &= ~0x3000;
  779. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  780. } else if (!err)
  781. err = -EBUSY;
  782. return err;
  783. }
  784. /* This will reset the tigon3 PHY if there is no valid
  785. * link unless the FORCE argument is non-zero.
  786. */
  787. static int tg3_phy_reset(struct tg3 *tp)
  788. {
  789. u32 phy_status;
  790. int err;
  791. err = tg3_readphy(tp, MII_BMSR, &phy_status);
  792. err |= tg3_readphy(tp, MII_BMSR, &phy_status);
  793. if (err != 0)
  794. return -EBUSY;
  795. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  796. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  797. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  798. err = tg3_phy_reset_5703_4_5(tp);
  799. if (err)
  800. return err;
  801. goto out;
  802. }
  803. err = tg3_bmcr_reset(tp);
  804. if (err)
  805. return err;
  806. out:
  807. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
  808. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  809. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  810. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
  811. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  812. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
  813. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  814. }
  815. if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
  816. tg3_writephy(tp, 0x1c, 0x8d68);
  817. tg3_writephy(tp, 0x1c, 0x8d68);
  818. }
  819. if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
  820. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  821. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  822. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
  823. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  824. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
  825. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
  826. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
  827. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  828. }
  829. /* Set Extended packet length bit (bit 14) on all chips that */
  830. /* support jumbo frames */
  831. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  832. /* Cannot do read-modify-write on 5401 */
  833. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  834. } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  835. u32 phy_reg;
  836. /* Set bit 14 with read-modify-write to preserve other bits */
  837. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
  838. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
  839. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
  840. }
  841. /* Set phy register 0x10 bit 0 to high fifo elasticity to support
  842. * jumbo frames transmission.
  843. */
  844. if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  845. u32 phy_reg;
  846. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
  847. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  848. phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
  849. }
  850. tg3_phy_set_wirespeed(tp);
  851. return 0;
  852. }
  853. static void tg3_frob_aux_power(struct tg3 *tp)
  854. {
  855. struct tg3 *tp_peer = tp;
  856. if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
  857. return;
  858. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  859. tp_peer = pci_get_drvdata(tp->pdev_peer);
  860. if (!tp_peer)
  861. BUG();
  862. }
  863. if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  864. (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
  865. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  866. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  867. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  868. (GRC_LCLCTRL_GPIO_OE0 |
  869. GRC_LCLCTRL_GPIO_OE1 |
  870. GRC_LCLCTRL_GPIO_OE2 |
  871. GRC_LCLCTRL_GPIO_OUTPUT0 |
  872. GRC_LCLCTRL_GPIO_OUTPUT1));
  873. udelay(100);
  874. } else {
  875. u32 no_gpio2;
  876. u32 grc_local_ctrl;
  877. if (tp_peer != tp &&
  878. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  879. return;
  880. /* On 5753 and variants, GPIO2 cannot be used. */
  881. no_gpio2 = tp->nic_sram_data_cfg &
  882. NIC_SRAM_DATA_CFG_NO_GPIO2;
  883. grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
  884. GRC_LCLCTRL_GPIO_OE1 |
  885. GRC_LCLCTRL_GPIO_OE2 |
  886. GRC_LCLCTRL_GPIO_OUTPUT1 |
  887. GRC_LCLCTRL_GPIO_OUTPUT2;
  888. if (no_gpio2) {
  889. grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
  890. GRC_LCLCTRL_GPIO_OUTPUT2);
  891. }
  892. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  893. grc_local_ctrl);
  894. udelay(100);
  895. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
  896. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  897. grc_local_ctrl);
  898. udelay(100);
  899. if (!no_gpio2) {
  900. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
  901. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  902. grc_local_ctrl);
  903. udelay(100);
  904. }
  905. }
  906. } else {
  907. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  908. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  909. if (tp_peer != tp &&
  910. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  911. return;
  912. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  913. (GRC_LCLCTRL_GPIO_OE1 |
  914. GRC_LCLCTRL_GPIO_OUTPUT1));
  915. udelay(100);
  916. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  917. (GRC_LCLCTRL_GPIO_OE1));
  918. udelay(100);
  919. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  920. (GRC_LCLCTRL_GPIO_OE1 |
  921. GRC_LCLCTRL_GPIO_OUTPUT1));
  922. udelay(100);
  923. }
  924. }
  925. }
  926. static int tg3_setup_phy(struct tg3 *, int);
  927. #define RESET_KIND_SHUTDOWN 0
  928. #define RESET_KIND_INIT 1
  929. #define RESET_KIND_SUSPEND 2
  930. static void tg3_write_sig_post_reset(struct tg3 *, int);
  931. static int tg3_halt_cpu(struct tg3 *, u32);
  932. static int tg3_set_power_state(struct tg3 *tp, int state)
  933. {
  934. u32 misc_host_ctrl;
  935. u16 power_control, power_caps;
  936. int pm = tp->pm_cap;
  937. /* Make sure register accesses (indirect or otherwise)
  938. * will function correctly.
  939. */
  940. pci_write_config_dword(tp->pdev,
  941. TG3PCI_MISC_HOST_CTRL,
  942. tp->misc_host_ctrl);
  943. pci_read_config_word(tp->pdev,
  944. pm + PCI_PM_CTRL,
  945. &power_control);
  946. power_control |= PCI_PM_CTRL_PME_STATUS;
  947. power_control &= ~(PCI_PM_CTRL_STATE_MASK);
  948. switch (state) {
  949. case 0:
  950. power_control |= 0;
  951. pci_write_config_word(tp->pdev,
  952. pm + PCI_PM_CTRL,
  953. power_control);
  954. udelay(100); /* Delay after power state change */
  955. /* Switch out of Vaux if it is not a LOM */
  956. if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
  957. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  958. udelay(100);
  959. }
  960. return 0;
  961. case 1:
  962. power_control |= 1;
  963. break;
  964. case 2:
  965. power_control |= 2;
  966. break;
  967. case 3:
  968. power_control |= 3;
  969. break;
  970. default:
  971. printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
  972. "requested.\n",
  973. tp->dev->name, state);
  974. return -EINVAL;
  975. };
  976. power_control |= PCI_PM_CTRL_PME_ENABLE;
  977. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  978. tw32(TG3PCI_MISC_HOST_CTRL,
  979. misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
  980. if (tp->link_config.phy_is_low_power == 0) {
  981. tp->link_config.phy_is_low_power = 1;
  982. tp->link_config.orig_speed = tp->link_config.speed;
  983. tp->link_config.orig_duplex = tp->link_config.duplex;
  984. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  985. }
  986. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  987. tp->link_config.speed = SPEED_10;
  988. tp->link_config.duplex = DUPLEX_HALF;
  989. tp->link_config.autoneg = AUTONEG_ENABLE;
  990. tg3_setup_phy(tp, 0);
  991. }
  992. pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
  993. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
  994. u32 mac_mode;
  995. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  996. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
  997. udelay(40);
  998. mac_mode = MAC_MODE_PORT_MODE_MII;
  999. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
  1000. !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
  1001. mac_mode |= MAC_MODE_LINK_POLARITY;
  1002. } else {
  1003. mac_mode = MAC_MODE_PORT_MODE_TBI;
  1004. }
  1005. if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  1006. tw32(MAC_LED_CTRL, tp->led_ctrl);
  1007. if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
  1008. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
  1009. mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
  1010. tw32_f(MAC_MODE, mac_mode);
  1011. udelay(100);
  1012. tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
  1013. udelay(10);
  1014. }
  1015. if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
  1016. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1017. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  1018. u32 base_val;
  1019. base_val = tp->pci_clock_ctrl;
  1020. base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
  1021. CLOCK_CTRL_TXCLK_DISABLE);
  1022. tw32_f(TG3PCI_CLOCK_CTRL, base_val |
  1023. CLOCK_CTRL_ALTCLK |
  1024. CLOCK_CTRL_PWRDOWN_PLL133);
  1025. udelay(40);
  1026. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  1027. /* do nothing */
  1028. } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  1029. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
  1030. u32 newbits1, newbits2;
  1031. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1032. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1033. newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
  1034. CLOCK_CTRL_TXCLK_DISABLE |
  1035. CLOCK_CTRL_ALTCLK);
  1036. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1037. } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  1038. newbits1 = CLOCK_CTRL_625_CORE;
  1039. newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
  1040. } else {
  1041. newbits1 = CLOCK_CTRL_ALTCLK;
  1042. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1043. }
  1044. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1);
  1045. udelay(40);
  1046. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2);
  1047. udelay(40);
  1048. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  1049. u32 newbits3;
  1050. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1051. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1052. newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
  1053. CLOCK_CTRL_TXCLK_DISABLE |
  1054. CLOCK_CTRL_44MHZ_CORE);
  1055. } else {
  1056. newbits3 = CLOCK_CTRL_44MHZ_CORE;
  1057. }
  1058. tw32_f(TG3PCI_CLOCK_CTRL,
  1059. tp->pci_clock_ctrl | newbits3);
  1060. udelay(40);
  1061. }
  1062. }
  1063. tg3_frob_aux_power(tp);
  1064. /* Workaround for unstable PLL clock */
  1065. if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  1066. (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  1067. u32 val = tr32(0x7d00);
  1068. val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  1069. tw32(0x7d00, val);
  1070. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  1071. tg3_halt_cpu(tp, RX_CPU_BASE);
  1072. }
  1073. /* Finally, set the new power state. */
  1074. pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
  1075. udelay(100); /* Delay after power state change */
  1076. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  1077. return 0;
  1078. }
  1079. static void tg3_link_report(struct tg3 *tp)
  1080. {
  1081. if (!netif_carrier_ok(tp->dev)) {
  1082. printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
  1083. } else {
  1084. printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
  1085. tp->dev->name,
  1086. (tp->link_config.active_speed == SPEED_1000 ?
  1087. 1000 :
  1088. (tp->link_config.active_speed == SPEED_100 ?
  1089. 100 : 10)),
  1090. (tp->link_config.active_duplex == DUPLEX_FULL ?
  1091. "full" : "half"));
  1092. printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
  1093. "%s for RX.\n",
  1094. tp->dev->name,
  1095. (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
  1096. (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
  1097. }
  1098. }
  1099. static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
  1100. {
  1101. u32 new_tg3_flags = 0;
  1102. u32 old_rx_mode = tp->rx_mode;
  1103. u32 old_tx_mode = tp->tx_mode;
  1104. if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
  1105. /* Convert 1000BaseX flow control bits to 1000BaseT
  1106. * bits before resolving flow control.
  1107. */
  1108. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  1109. local_adv &= ~(ADVERTISE_PAUSE_CAP |
  1110. ADVERTISE_PAUSE_ASYM);
  1111. remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1112. if (local_adv & ADVERTISE_1000XPAUSE)
  1113. local_adv |= ADVERTISE_PAUSE_CAP;
  1114. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  1115. local_adv |= ADVERTISE_PAUSE_ASYM;
  1116. if (remote_adv & LPA_1000XPAUSE)
  1117. remote_adv |= LPA_PAUSE_CAP;
  1118. if (remote_adv & LPA_1000XPAUSE_ASYM)
  1119. remote_adv |= LPA_PAUSE_ASYM;
  1120. }
  1121. if (local_adv & ADVERTISE_PAUSE_CAP) {
  1122. if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1123. if (remote_adv & LPA_PAUSE_CAP)
  1124. new_tg3_flags |=
  1125. (TG3_FLAG_RX_PAUSE |
  1126. TG3_FLAG_TX_PAUSE);
  1127. else if (remote_adv & LPA_PAUSE_ASYM)
  1128. new_tg3_flags |=
  1129. (TG3_FLAG_RX_PAUSE);
  1130. } else {
  1131. if (remote_adv & LPA_PAUSE_CAP)
  1132. new_tg3_flags |=
  1133. (TG3_FLAG_RX_PAUSE |
  1134. TG3_FLAG_TX_PAUSE);
  1135. }
  1136. } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1137. if ((remote_adv & LPA_PAUSE_CAP) &&
  1138. (remote_adv & LPA_PAUSE_ASYM))
  1139. new_tg3_flags |= TG3_FLAG_TX_PAUSE;
  1140. }
  1141. tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
  1142. tp->tg3_flags |= new_tg3_flags;
  1143. } else {
  1144. new_tg3_flags = tp->tg3_flags;
  1145. }
  1146. if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
  1147. tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
  1148. else
  1149. tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
  1150. if (old_rx_mode != tp->rx_mode) {
  1151. tw32_f(MAC_RX_MODE, tp->rx_mode);
  1152. }
  1153. if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
  1154. tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
  1155. else
  1156. tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
  1157. if (old_tx_mode != tp->tx_mode) {
  1158. tw32_f(MAC_TX_MODE, tp->tx_mode);
  1159. }
  1160. }
  1161. static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
  1162. {
  1163. switch (val & MII_TG3_AUX_STAT_SPDMASK) {
  1164. case MII_TG3_AUX_STAT_10HALF:
  1165. *speed = SPEED_10;
  1166. *duplex = DUPLEX_HALF;
  1167. break;
  1168. case MII_TG3_AUX_STAT_10FULL:
  1169. *speed = SPEED_10;
  1170. *duplex = DUPLEX_FULL;
  1171. break;
  1172. case MII_TG3_AUX_STAT_100HALF:
  1173. *speed = SPEED_100;
  1174. *duplex = DUPLEX_HALF;
  1175. break;
  1176. case MII_TG3_AUX_STAT_100FULL:
  1177. *speed = SPEED_100;
  1178. *duplex = DUPLEX_FULL;
  1179. break;
  1180. case MII_TG3_AUX_STAT_1000HALF:
  1181. *speed = SPEED_1000;
  1182. *duplex = DUPLEX_HALF;
  1183. break;
  1184. case MII_TG3_AUX_STAT_1000FULL:
  1185. *speed = SPEED_1000;
  1186. *duplex = DUPLEX_FULL;
  1187. break;
  1188. default:
  1189. *speed = SPEED_INVALID;
  1190. *duplex = DUPLEX_INVALID;
  1191. break;
  1192. };
  1193. }
  1194. static void tg3_phy_copper_begin(struct tg3 *tp)
  1195. {
  1196. u32 new_adv;
  1197. int i;
  1198. if (tp->link_config.phy_is_low_power) {
  1199. /* Entering low power mode. Disable gigabit and
  1200. * 100baseT advertisements.
  1201. */
  1202. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1203. new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1204. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1205. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1206. new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
  1207. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1208. } else if (tp->link_config.speed == SPEED_INVALID) {
  1209. tp->link_config.advertising =
  1210. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  1211. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  1212. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  1213. ADVERTISED_Autoneg | ADVERTISED_MII);
  1214. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  1215. tp->link_config.advertising &=
  1216. ~(ADVERTISED_1000baseT_Half |
  1217. ADVERTISED_1000baseT_Full);
  1218. new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1219. if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
  1220. new_adv |= ADVERTISE_10HALF;
  1221. if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
  1222. new_adv |= ADVERTISE_10FULL;
  1223. if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
  1224. new_adv |= ADVERTISE_100HALF;
  1225. if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
  1226. new_adv |= ADVERTISE_100FULL;
  1227. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1228. if (tp->link_config.advertising &
  1229. (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
  1230. new_adv = 0;
  1231. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  1232. new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
  1233. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  1234. new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
  1235. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
  1236. (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1237. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
  1238. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1239. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1240. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1241. } else {
  1242. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1243. }
  1244. } else {
  1245. /* Asking for a specific link mode. */
  1246. if (tp->link_config.speed == SPEED_1000) {
  1247. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1248. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1249. if (tp->link_config.duplex == DUPLEX_FULL)
  1250. new_adv = MII_TG3_CTRL_ADV_1000_FULL;
  1251. else
  1252. new_adv = MII_TG3_CTRL_ADV_1000_HALF;
  1253. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1254. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  1255. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1256. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1257. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1258. } else {
  1259. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1260. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1261. if (tp->link_config.speed == SPEED_100) {
  1262. if (tp->link_config.duplex == DUPLEX_FULL)
  1263. new_adv |= ADVERTISE_100FULL;
  1264. else
  1265. new_adv |= ADVERTISE_100HALF;
  1266. } else {
  1267. if (tp->link_config.duplex == DUPLEX_FULL)
  1268. new_adv |= ADVERTISE_10FULL;
  1269. else
  1270. new_adv |= ADVERTISE_10HALF;
  1271. }
  1272. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1273. }
  1274. }
  1275. if (tp->link_config.autoneg == AUTONEG_DISABLE &&
  1276. tp->link_config.speed != SPEED_INVALID) {
  1277. u32 bmcr, orig_bmcr;
  1278. tp->link_config.active_speed = tp->link_config.speed;
  1279. tp->link_config.active_duplex = tp->link_config.duplex;
  1280. bmcr = 0;
  1281. switch (tp->link_config.speed) {
  1282. default:
  1283. case SPEED_10:
  1284. break;
  1285. case SPEED_100:
  1286. bmcr |= BMCR_SPEED100;
  1287. break;
  1288. case SPEED_1000:
  1289. bmcr |= TG3_BMCR_SPEED1000;
  1290. break;
  1291. };
  1292. if (tp->link_config.duplex == DUPLEX_FULL)
  1293. bmcr |= BMCR_FULLDPLX;
  1294. if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
  1295. (bmcr != orig_bmcr)) {
  1296. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
  1297. for (i = 0; i < 1500; i++) {
  1298. u32 tmp;
  1299. udelay(10);
  1300. if (tg3_readphy(tp, MII_BMSR, &tmp) ||
  1301. tg3_readphy(tp, MII_BMSR, &tmp))
  1302. continue;
  1303. if (!(tmp & BMSR_LSTATUS)) {
  1304. udelay(40);
  1305. break;
  1306. }
  1307. }
  1308. tg3_writephy(tp, MII_BMCR, bmcr);
  1309. udelay(40);
  1310. }
  1311. } else {
  1312. tg3_writephy(tp, MII_BMCR,
  1313. BMCR_ANENABLE | BMCR_ANRESTART);
  1314. }
  1315. }
  1316. static int tg3_init_5401phy_dsp(struct tg3 *tp)
  1317. {
  1318. int err;
  1319. /* Turn off tap power management. */
  1320. /* Set Extended packet length bit */
  1321. err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  1322. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
  1323. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
  1324. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
  1325. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
  1326. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1327. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
  1328. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1329. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
  1330. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1331. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
  1332. udelay(40);
  1333. return err;
  1334. }
  1335. static int tg3_copper_is_advertising_all(struct tg3 *tp)
  1336. {
  1337. u32 adv_reg, all_mask;
  1338. if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
  1339. return 0;
  1340. all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1341. ADVERTISE_100HALF | ADVERTISE_100FULL);
  1342. if ((adv_reg & all_mask) != all_mask)
  1343. return 0;
  1344. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  1345. u32 tg3_ctrl;
  1346. if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
  1347. return 0;
  1348. all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
  1349. MII_TG3_CTRL_ADV_1000_FULL);
  1350. if ((tg3_ctrl & all_mask) != all_mask)
  1351. return 0;
  1352. }
  1353. return 1;
  1354. }
  1355. static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
  1356. {
  1357. int current_link_up;
  1358. u32 bmsr, dummy;
  1359. u16 current_speed;
  1360. u8 current_duplex;
  1361. int i, err;
  1362. tw32(MAC_EVENT, 0);
  1363. tw32_f(MAC_STATUS,
  1364. (MAC_STATUS_SYNC_CHANGED |
  1365. MAC_STATUS_CFG_CHANGED |
  1366. MAC_STATUS_MI_COMPLETION |
  1367. MAC_STATUS_LNKSTATE_CHANGED));
  1368. udelay(40);
  1369. tp->mi_mode = MAC_MI_MODE_BASE;
  1370. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1371. udelay(80);
  1372. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
  1373. /* Some third-party PHYs need to be reset on link going
  1374. * down.
  1375. */
  1376. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1377. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1378. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  1379. netif_carrier_ok(tp->dev)) {
  1380. tg3_readphy(tp, MII_BMSR, &bmsr);
  1381. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1382. !(bmsr & BMSR_LSTATUS))
  1383. force_reset = 1;
  1384. }
  1385. if (force_reset)
  1386. tg3_phy_reset(tp);
  1387. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  1388. tg3_readphy(tp, MII_BMSR, &bmsr);
  1389. if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
  1390. !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
  1391. bmsr = 0;
  1392. if (!(bmsr & BMSR_LSTATUS)) {
  1393. err = tg3_init_5401phy_dsp(tp);
  1394. if (err)
  1395. return err;
  1396. tg3_readphy(tp, MII_BMSR, &bmsr);
  1397. for (i = 0; i < 1000; i++) {
  1398. udelay(10);
  1399. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1400. (bmsr & BMSR_LSTATUS)) {
  1401. udelay(40);
  1402. break;
  1403. }
  1404. }
  1405. if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
  1406. !(bmsr & BMSR_LSTATUS) &&
  1407. tp->link_config.active_speed == SPEED_1000) {
  1408. err = tg3_phy_reset(tp);
  1409. if (!err)
  1410. err = tg3_init_5401phy_dsp(tp);
  1411. if (err)
  1412. return err;
  1413. }
  1414. }
  1415. } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1416. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
  1417. /* 5701 {A0,B0} CRC bug workaround */
  1418. tg3_writephy(tp, 0x15, 0x0a75);
  1419. tg3_writephy(tp, 0x1c, 0x8c68);
  1420. tg3_writephy(tp, 0x1c, 0x8d68);
  1421. tg3_writephy(tp, 0x1c, 0x8c68);
  1422. }
  1423. /* Clear pending interrupts... */
  1424. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1425. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1426. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
  1427. tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
  1428. else
  1429. tg3_writephy(tp, MII_TG3_IMASK, ~0);
  1430. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1431. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1432. if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
  1433. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1434. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  1435. else
  1436. tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
  1437. }
  1438. current_link_up = 0;
  1439. current_speed = SPEED_INVALID;
  1440. current_duplex = DUPLEX_INVALID;
  1441. if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
  1442. u32 val;
  1443. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
  1444. tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
  1445. if (!(val & (1 << 10))) {
  1446. val |= (1 << 10);
  1447. tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
  1448. goto relink;
  1449. }
  1450. }
  1451. bmsr = 0;
  1452. for (i = 0; i < 100; i++) {
  1453. tg3_readphy(tp, MII_BMSR, &bmsr);
  1454. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1455. (bmsr & BMSR_LSTATUS))
  1456. break;
  1457. udelay(40);
  1458. }
  1459. if (bmsr & BMSR_LSTATUS) {
  1460. u32 aux_stat, bmcr;
  1461. tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
  1462. for (i = 0; i < 2000; i++) {
  1463. udelay(10);
  1464. if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
  1465. aux_stat)
  1466. break;
  1467. }
  1468. tg3_aux_stat_to_speed_duplex(tp, aux_stat,
  1469. &current_speed,
  1470. &current_duplex);
  1471. bmcr = 0;
  1472. for (i = 0; i < 200; i++) {
  1473. tg3_readphy(tp, MII_BMCR, &bmcr);
  1474. if (tg3_readphy(tp, MII_BMCR, &bmcr))
  1475. continue;
  1476. if (bmcr && bmcr != 0x7fff)
  1477. break;
  1478. udelay(10);
  1479. }
  1480. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  1481. if (bmcr & BMCR_ANENABLE) {
  1482. current_link_up = 1;
  1483. /* Force autoneg restart if we are exiting
  1484. * low power mode.
  1485. */
  1486. if (!tg3_copper_is_advertising_all(tp))
  1487. current_link_up = 0;
  1488. } else {
  1489. current_link_up = 0;
  1490. }
  1491. } else {
  1492. if (!(bmcr & BMCR_ANENABLE) &&
  1493. tp->link_config.speed == current_speed &&
  1494. tp->link_config.duplex == current_duplex) {
  1495. current_link_up = 1;
  1496. } else {
  1497. current_link_up = 0;
  1498. }
  1499. }
  1500. tp->link_config.active_speed = current_speed;
  1501. tp->link_config.active_duplex = current_duplex;
  1502. }
  1503. if (current_link_up == 1 &&
  1504. (tp->link_config.active_duplex == DUPLEX_FULL) &&
  1505. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  1506. u32 local_adv, remote_adv;
  1507. if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
  1508. local_adv = 0;
  1509. local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
  1510. if (tg3_readphy(tp, MII_LPA, &remote_adv))
  1511. remote_adv = 0;
  1512. remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1513. /* If we are not advertising full pause capability,
  1514. * something is wrong. Bring the link down and reconfigure.
  1515. */
  1516. if (local_adv != ADVERTISE_PAUSE_CAP) {
  1517. current_link_up = 0;
  1518. } else {
  1519. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1520. }
  1521. }
  1522. relink:
  1523. if (current_link_up == 0) {
  1524. u32 tmp;
  1525. tg3_phy_copper_begin(tp);
  1526. tg3_readphy(tp, MII_BMSR, &tmp);
  1527. if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
  1528. (tmp & BMSR_LSTATUS))
  1529. current_link_up = 1;
  1530. }
  1531. tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
  1532. if (current_link_up == 1) {
  1533. if (tp->link_config.active_speed == SPEED_100 ||
  1534. tp->link_config.active_speed == SPEED_10)
  1535. tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
  1536. else
  1537. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1538. } else
  1539. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1540. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  1541. if (tp->link_config.active_duplex == DUPLEX_HALF)
  1542. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  1543. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  1544. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  1545. if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
  1546. (current_link_up == 1 &&
  1547. tp->link_config.active_speed == SPEED_10))
  1548. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1549. } else {
  1550. if (current_link_up == 1)
  1551. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1552. }
  1553. /* ??? Without this setting Netgear GA302T PHY does not
  1554. * ??? send/receive packets...
  1555. */
  1556. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
  1557. tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
  1558. tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
  1559. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1560. udelay(80);
  1561. }
  1562. tw32_f(MAC_MODE, tp->mac_mode);
  1563. udelay(40);
  1564. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  1565. /* Polled via timer. */
  1566. tw32_f(MAC_EVENT, 0);
  1567. } else {
  1568. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  1569. }
  1570. udelay(40);
  1571. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
  1572. current_link_up == 1 &&
  1573. tp->link_config.active_speed == SPEED_1000 &&
  1574. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
  1575. (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
  1576. udelay(120);
  1577. tw32_f(MAC_STATUS,
  1578. (MAC_STATUS_SYNC_CHANGED |
  1579. MAC_STATUS_CFG_CHANGED));
  1580. udelay(40);
  1581. tg3_write_mem(tp,
  1582. NIC_SRAM_FIRMWARE_MBOX,
  1583. NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
  1584. }
  1585. if (current_link_up != netif_carrier_ok(tp->dev)) {
  1586. if (current_link_up)
  1587. netif_carrier_on(tp->dev);
  1588. else
  1589. netif_carrier_off(tp->dev);
  1590. tg3_link_report(tp);
  1591. }
  1592. return 0;
  1593. }
  1594. struct tg3_fiber_aneginfo {
  1595. int state;
  1596. #define ANEG_STATE_UNKNOWN 0
  1597. #define ANEG_STATE_AN_ENABLE 1
  1598. #define ANEG_STATE_RESTART_INIT 2
  1599. #define ANEG_STATE_RESTART 3
  1600. #define ANEG_STATE_DISABLE_LINK_OK 4
  1601. #define ANEG_STATE_ABILITY_DETECT_INIT 5
  1602. #define ANEG_STATE_ABILITY_DETECT 6
  1603. #define ANEG_STATE_ACK_DETECT_INIT 7
  1604. #define ANEG_STATE_ACK_DETECT 8
  1605. #define ANEG_STATE_COMPLETE_ACK_INIT 9
  1606. #define ANEG_STATE_COMPLETE_ACK 10
  1607. #define ANEG_STATE_IDLE_DETECT_INIT 11
  1608. #define ANEG_STATE_IDLE_DETECT 12
  1609. #define ANEG_STATE_LINK_OK 13
  1610. #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
  1611. #define ANEG_STATE_NEXT_PAGE_WAIT 15
  1612. u32 flags;
  1613. #define MR_AN_ENABLE 0x00000001
  1614. #define MR_RESTART_AN 0x00000002
  1615. #define MR_AN_COMPLETE 0x00000004
  1616. #define MR_PAGE_RX 0x00000008
  1617. #define MR_NP_LOADED 0x00000010
  1618. #define MR_TOGGLE_TX 0x00000020
  1619. #define MR_LP_ADV_FULL_DUPLEX 0x00000040
  1620. #define MR_LP_ADV_HALF_DUPLEX 0x00000080
  1621. #define MR_LP_ADV_SYM_PAUSE 0x00000100
  1622. #define MR_LP_ADV_ASYM_PAUSE 0x00000200
  1623. #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
  1624. #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
  1625. #define MR_LP_ADV_NEXT_PAGE 0x00001000
  1626. #define MR_TOGGLE_RX 0x00002000
  1627. #define MR_NP_RX 0x00004000
  1628. #define MR_LINK_OK 0x80000000
  1629. unsigned long link_time, cur_time;
  1630. u32 ability_match_cfg;
  1631. int ability_match_count;
  1632. char ability_match, idle_match, ack_match;
  1633. u32 txconfig, rxconfig;
  1634. #define ANEG_CFG_NP 0x00000080
  1635. #define ANEG_CFG_ACK 0x00000040
  1636. #define ANEG_CFG_RF2 0x00000020
  1637. #define ANEG_CFG_RF1 0x00000010
  1638. #define ANEG_CFG_PS2 0x00000001
  1639. #define ANEG_CFG_PS1 0x00008000
  1640. #define ANEG_CFG_HD 0x00004000
  1641. #define ANEG_CFG_FD 0x00002000
  1642. #define ANEG_CFG_INVAL 0x00001f06
  1643. };
  1644. #define ANEG_OK 0
  1645. #define ANEG_DONE 1
  1646. #define ANEG_TIMER_ENAB 2
  1647. #define ANEG_FAILED -1
  1648. #define ANEG_STATE_SETTLE_TIME 10000
  1649. static int tg3_fiber_aneg_smachine(struct tg3 *tp,
  1650. struct tg3_fiber_aneginfo *ap)
  1651. {
  1652. unsigned long delta;
  1653. u32 rx_cfg_reg;
  1654. int ret;
  1655. if (ap->state == ANEG_STATE_UNKNOWN) {
  1656. ap->rxconfig = 0;
  1657. ap->link_time = 0;
  1658. ap->cur_time = 0;
  1659. ap->ability_match_cfg = 0;
  1660. ap->ability_match_count = 0;
  1661. ap->ability_match = 0;
  1662. ap->idle_match = 0;
  1663. ap->ack_match = 0;
  1664. }
  1665. ap->cur_time++;
  1666. if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
  1667. rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
  1668. if (rx_cfg_reg != ap->ability_match_cfg) {
  1669. ap->ability_match_cfg = rx_cfg_reg;
  1670. ap->ability_match = 0;
  1671. ap->ability_match_count = 0;
  1672. } else {
  1673. if (++ap->ability_match_count > 1) {
  1674. ap->ability_match = 1;
  1675. ap->ability_match_cfg = rx_cfg_reg;
  1676. }
  1677. }
  1678. if (rx_cfg_reg & ANEG_CFG_ACK)
  1679. ap->ack_match = 1;
  1680. else
  1681. ap->ack_match = 0;
  1682. ap->idle_match = 0;
  1683. } else {
  1684. ap->idle_match = 1;
  1685. ap->ability_match_cfg = 0;
  1686. ap->ability_match_count = 0;
  1687. ap->ability_match = 0;
  1688. ap->ack_match = 0;
  1689. rx_cfg_reg = 0;
  1690. }
  1691. ap->rxconfig = rx_cfg_reg;
  1692. ret = ANEG_OK;
  1693. switch(ap->state) {
  1694. case ANEG_STATE_UNKNOWN:
  1695. if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
  1696. ap->state = ANEG_STATE_AN_ENABLE;
  1697. /* fallthru */
  1698. case ANEG_STATE_AN_ENABLE:
  1699. ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
  1700. if (ap->flags & MR_AN_ENABLE) {
  1701. ap->link_time = 0;
  1702. ap->cur_time = 0;
  1703. ap->ability_match_cfg = 0;
  1704. ap->ability_match_count = 0;
  1705. ap->ability_match = 0;
  1706. ap->idle_match = 0;
  1707. ap->ack_match = 0;
  1708. ap->state = ANEG_STATE_RESTART_INIT;
  1709. } else {
  1710. ap->state = ANEG_STATE_DISABLE_LINK_OK;
  1711. }
  1712. break;
  1713. case ANEG_STATE_RESTART_INIT:
  1714. ap->link_time = ap->cur_time;
  1715. ap->flags &= ~(MR_NP_LOADED);
  1716. ap->txconfig = 0;
  1717. tw32(MAC_TX_AUTO_NEG, 0);
  1718. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1719. tw32_f(MAC_MODE, tp->mac_mode);
  1720. udelay(40);
  1721. ret = ANEG_TIMER_ENAB;
  1722. ap->state = ANEG_STATE_RESTART;
  1723. /* fallthru */
  1724. case ANEG_STATE_RESTART:
  1725. delta = ap->cur_time - ap->link_time;
  1726. if (delta > ANEG_STATE_SETTLE_TIME) {
  1727. ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
  1728. } else {
  1729. ret = ANEG_TIMER_ENAB;
  1730. }
  1731. break;
  1732. case ANEG_STATE_DISABLE_LINK_OK:
  1733. ret = ANEG_DONE;
  1734. break;
  1735. case ANEG_STATE_ABILITY_DETECT_INIT:
  1736. ap->flags &= ~(MR_TOGGLE_TX);
  1737. ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
  1738. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1739. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1740. tw32_f(MAC_MODE, tp->mac_mode);
  1741. udelay(40);
  1742. ap->state = ANEG_STATE_ABILITY_DETECT;
  1743. break;
  1744. case ANEG_STATE_ABILITY_DETECT:
  1745. if (ap->ability_match != 0 && ap->rxconfig != 0) {
  1746. ap->state = ANEG_STATE_ACK_DETECT_INIT;
  1747. }
  1748. break;
  1749. case ANEG_STATE_ACK_DETECT_INIT:
  1750. ap->txconfig |= ANEG_CFG_ACK;
  1751. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1752. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1753. tw32_f(MAC_MODE, tp->mac_mode);
  1754. udelay(40);
  1755. ap->state = ANEG_STATE_ACK_DETECT;
  1756. /* fallthru */
  1757. case ANEG_STATE_ACK_DETECT:
  1758. if (ap->ack_match != 0) {
  1759. if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
  1760. (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
  1761. ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
  1762. } else {
  1763. ap->state = ANEG_STATE_AN_ENABLE;
  1764. }
  1765. } else if (ap->ability_match != 0 &&
  1766. ap->rxconfig == 0) {
  1767. ap->state = ANEG_STATE_AN_ENABLE;
  1768. }
  1769. break;
  1770. case ANEG_STATE_COMPLETE_ACK_INIT:
  1771. if (ap->rxconfig & ANEG_CFG_INVAL) {
  1772. ret = ANEG_FAILED;
  1773. break;
  1774. }
  1775. ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
  1776. MR_LP_ADV_HALF_DUPLEX |
  1777. MR_LP_ADV_SYM_PAUSE |
  1778. MR_LP_ADV_ASYM_PAUSE |
  1779. MR_LP_ADV_REMOTE_FAULT1 |
  1780. MR_LP_ADV_REMOTE_FAULT2 |
  1781. MR_LP_ADV_NEXT_PAGE |
  1782. MR_TOGGLE_RX |
  1783. MR_NP_RX);
  1784. if (ap->rxconfig & ANEG_CFG_FD)
  1785. ap->flags |= MR_LP_ADV_FULL_DUPLEX;
  1786. if (ap->rxconfig & ANEG_CFG_HD)
  1787. ap->flags |= MR_LP_ADV_HALF_DUPLEX;
  1788. if (ap->rxconfig & ANEG_CFG_PS1)
  1789. ap->flags |= MR_LP_ADV_SYM_PAUSE;
  1790. if (ap->rxconfig & ANEG_CFG_PS2)
  1791. ap->flags |= MR_LP_ADV_ASYM_PAUSE;
  1792. if (ap->rxconfig & ANEG_CFG_RF1)
  1793. ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
  1794. if (ap->rxconfig & ANEG_CFG_RF2)
  1795. ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
  1796. if (ap->rxconfig & ANEG_CFG_NP)
  1797. ap->flags |= MR_LP_ADV_NEXT_PAGE;
  1798. ap->link_time = ap->cur_time;
  1799. ap->flags ^= (MR_TOGGLE_TX);
  1800. if (ap->rxconfig & 0x0008)
  1801. ap->flags |= MR_TOGGLE_RX;
  1802. if (ap->rxconfig & ANEG_CFG_NP)
  1803. ap->flags |= MR_NP_RX;
  1804. ap->flags |= MR_PAGE_RX;
  1805. ap->state = ANEG_STATE_COMPLETE_ACK;
  1806. ret = ANEG_TIMER_ENAB;
  1807. break;
  1808. case ANEG_STATE_COMPLETE_ACK:
  1809. if (ap->ability_match != 0 &&
  1810. ap->rxconfig == 0) {
  1811. ap->state = ANEG_STATE_AN_ENABLE;
  1812. break;
  1813. }
  1814. delta = ap->cur_time - ap->link_time;
  1815. if (delta > ANEG_STATE_SETTLE_TIME) {
  1816. if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
  1817. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1818. } else {
  1819. if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
  1820. !(ap->flags & MR_NP_RX)) {
  1821. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1822. } else {
  1823. ret = ANEG_FAILED;
  1824. }
  1825. }
  1826. }
  1827. break;
  1828. case ANEG_STATE_IDLE_DETECT_INIT:
  1829. ap->link_time = ap->cur_time;
  1830. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1831. tw32_f(MAC_MODE, tp->mac_mode);
  1832. udelay(40);
  1833. ap->state = ANEG_STATE_IDLE_DETECT;
  1834. ret = ANEG_TIMER_ENAB;
  1835. break;
  1836. case ANEG_STATE_IDLE_DETECT:
  1837. if (ap->ability_match != 0 &&
  1838. ap->rxconfig == 0) {
  1839. ap->state = ANEG_STATE_AN_ENABLE;
  1840. break;
  1841. }
  1842. delta = ap->cur_time - ap->link_time;
  1843. if (delta > ANEG_STATE_SETTLE_TIME) {
  1844. /* XXX another gem from the Broadcom driver :( */
  1845. ap->state = ANEG_STATE_LINK_OK;
  1846. }
  1847. break;
  1848. case ANEG_STATE_LINK_OK:
  1849. ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
  1850. ret = ANEG_DONE;
  1851. break;
  1852. case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
  1853. /* ??? unimplemented */
  1854. break;
  1855. case ANEG_STATE_NEXT_PAGE_WAIT:
  1856. /* ??? unimplemented */
  1857. break;
  1858. default:
  1859. ret = ANEG_FAILED;
  1860. break;
  1861. };
  1862. return ret;
  1863. }
  1864. static int fiber_autoneg(struct tg3 *tp, u32 *flags)
  1865. {
  1866. int res = 0;
  1867. struct tg3_fiber_aneginfo aninfo;
  1868. int status = ANEG_FAILED;
  1869. unsigned int tick;
  1870. u32 tmp;
  1871. tw32_f(MAC_TX_AUTO_NEG, 0);
  1872. tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  1873. tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
  1874. udelay(40);
  1875. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
  1876. udelay(40);
  1877. memset(&aninfo, 0, sizeof(aninfo));
  1878. aninfo.flags |= MR_AN_ENABLE;
  1879. aninfo.state = ANEG_STATE_UNKNOWN;
  1880. aninfo.cur_time = 0;
  1881. tick = 0;
  1882. while (++tick < 195000) {
  1883. status = tg3_fiber_aneg_smachine(tp, &aninfo);
  1884. if (status == ANEG_DONE || status == ANEG_FAILED)
  1885. break;
  1886. udelay(1);
  1887. }
  1888. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1889. tw32_f(MAC_MODE, tp->mac_mode);
  1890. udelay(40);
  1891. *flags = aninfo.flags;
  1892. if (status == ANEG_DONE &&
  1893. (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
  1894. MR_LP_ADV_FULL_DUPLEX)))
  1895. res = 1;
  1896. return res;
  1897. }
  1898. static void tg3_init_bcm8002(struct tg3 *tp)
  1899. {
  1900. u32 mac_status = tr32(MAC_STATUS);
  1901. int i;
  1902. /* Reset when initting first time or we have a link. */
  1903. if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
  1904. !(mac_status & MAC_STATUS_PCS_SYNCED))
  1905. return;
  1906. /* Set PLL lock range. */
  1907. tg3_writephy(tp, 0x16, 0x8007);
  1908. /* SW reset */
  1909. tg3_writephy(tp, MII_BMCR, BMCR_RESET);
  1910. /* Wait for reset to complete. */
  1911. /* XXX schedule_timeout() ... */
  1912. for (i = 0; i < 500; i++)
  1913. udelay(10);
  1914. /* Config mode; select PMA/Ch 1 regs. */
  1915. tg3_writephy(tp, 0x10, 0x8411);
  1916. /* Enable auto-lock and comdet, select txclk for tx. */
  1917. tg3_writephy(tp, 0x11, 0x0a10);
  1918. tg3_writephy(tp, 0x18, 0x00a0);
  1919. tg3_writephy(tp, 0x16, 0x41ff);
  1920. /* Assert and deassert POR. */
  1921. tg3_writephy(tp, 0x13, 0x0400);
  1922. udelay(40);
  1923. tg3_writephy(tp, 0x13, 0x0000);
  1924. tg3_writephy(tp, 0x11, 0x0a50);
  1925. udelay(40);
  1926. tg3_writephy(tp, 0x11, 0x0a10);
  1927. /* Wait for signal to stabilize */
  1928. /* XXX schedule_timeout() ... */
  1929. for (i = 0; i < 15000; i++)
  1930. udelay(10);
  1931. /* Deselect the channel register so we can read the PHYID
  1932. * later.
  1933. */
  1934. tg3_writephy(tp, 0x10, 0x8011);
  1935. }
  1936. static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
  1937. {
  1938. u32 sg_dig_ctrl, sg_dig_status;
  1939. u32 serdes_cfg, expected_sg_dig_ctrl;
  1940. int workaround, port_a;
  1941. int current_link_up;
  1942. serdes_cfg = 0;
  1943. expected_sg_dig_ctrl = 0;
  1944. workaround = 0;
  1945. port_a = 1;
  1946. current_link_up = 0;
  1947. if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
  1948. tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
  1949. workaround = 1;
  1950. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  1951. port_a = 0;
  1952. /* preserve bits 0-11,13,14 for signal pre-emphasis */
  1953. /* preserve bits 20-23 for voltage regulator */
  1954. serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
  1955. }
  1956. sg_dig_ctrl = tr32(SG_DIG_CTRL);
  1957. if (tp->link_config.autoneg != AUTONEG_ENABLE) {
  1958. if (sg_dig_ctrl & (1 << 31)) {
  1959. if (workaround) {
  1960. u32 val = serdes_cfg;
  1961. if (port_a)
  1962. val |= 0xc010000;
  1963. else
  1964. val |= 0x4010000;
  1965. tw32_f(MAC_SERDES_CFG, val);
  1966. }
  1967. tw32_f(SG_DIG_CTRL, 0x01388400);
  1968. }
  1969. if (mac_status & MAC_STATUS_PCS_SYNCED) {
  1970. tg3_setup_flow_control(tp, 0, 0);
  1971. current_link_up = 1;
  1972. }
  1973. goto out;
  1974. }
  1975. /* Want auto-negotiation. */
  1976. expected_sg_dig_ctrl = 0x81388400;
  1977. /* Pause capability */
  1978. expected_sg_dig_ctrl |= (1 << 11);
  1979. /* Asymettric pause */
  1980. expected_sg_dig_ctrl |= (1 << 12);
  1981. if (sg_dig_ctrl != expected_sg_dig_ctrl) {
  1982. if (workaround)
  1983. tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
  1984. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
  1985. udelay(5);
  1986. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
  1987. tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
  1988. } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
  1989. MAC_STATUS_SIGNAL_DET)) {
  1990. int i;
  1991. /* Giver time to negotiate (~200ms) */
  1992. for (i = 0; i < 40000; i++) {
  1993. sg_dig_status = tr32(SG_DIG_STATUS);
  1994. if (sg_dig_status & (0x3))
  1995. break;
  1996. udelay(5);
  1997. }
  1998. mac_status = tr32(MAC_STATUS);
  1999. if ((sg_dig_status & (1 << 1)) &&
  2000. (mac_status & MAC_STATUS_PCS_SYNCED)) {
  2001. u32 local_adv, remote_adv;
  2002. local_adv = ADVERTISE_PAUSE_CAP;
  2003. remote_adv = 0;
  2004. if (sg_dig_status & (1 << 19))
  2005. remote_adv |= LPA_PAUSE_CAP;
  2006. if (sg_dig_status & (1 << 20))
  2007. remote_adv |= LPA_PAUSE_ASYM;
  2008. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2009. current_link_up = 1;
  2010. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2011. } else if (!(sg_dig_status & (1 << 1))) {
  2012. if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED)
  2013. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2014. else {
  2015. if (workaround) {
  2016. u32 val = serdes_cfg;
  2017. if (port_a)
  2018. val |= 0xc010000;
  2019. else
  2020. val |= 0x4010000;
  2021. tw32_f(MAC_SERDES_CFG, val);
  2022. }
  2023. tw32_f(SG_DIG_CTRL, 0x01388400);
  2024. udelay(40);
  2025. /* Link parallel detection - link is up */
  2026. /* only if we have PCS_SYNC and not */
  2027. /* receiving config code words */
  2028. mac_status = tr32(MAC_STATUS);
  2029. if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
  2030. !(mac_status & MAC_STATUS_RCVD_CFG)) {
  2031. tg3_setup_flow_control(tp, 0, 0);
  2032. current_link_up = 1;
  2033. }
  2034. }
  2035. }
  2036. }
  2037. out:
  2038. return current_link_up;
  2039. }
  2040. static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
  2041. {
  2042. int current_link_up = 0;
  2043. if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
  2044. tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
  2045. goto out;
  2046. }
  2047. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2048. u32 flags;
  2049. int i;
  2050. if (fiber_autoneg(tp, &flags)) {
  2051. u32 local_adv, remote_adv;
  2052. local_adv = ADVERTISE_PAUSE_CAP;
  2053. remote_adv = 0;
  2054. if (flags & MR_LP_ADV_SYM_PAUSE)
  2055. remote_adv |= LPA_PAUSE_CAP;
  2056. if (flags & MR_LP_ADV_ASYM_PAUSE)
  2057. remote_adv |= LPA_PAUSE_ASYM;
  2058. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2059. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2060. current_link_up = 1;
  2061. }
  2062. for (i = 0; i < 30; i++) {
  2063. udelay(20);
  2064. tw32_f(MAC_STATUS,
  2065. (MAC_STATUS_SYNC_CHANGED |
  2066. MAC_STATUS_CFG_CHANGED));
  2067. udelay(40);
  2068. if ((tr32(MAC_STATUS) &
  2069. (MAC_STATUS_SYNC_CHANGED |
  2070. MAC_STATUS_CFG_CHANGED)) == 0)
  2071. break;
  2072. }
  2073. mac_status = tr32(MAC_STATUS);
  2074. if (current_link_up == 0 &&
  2075. (mac_status & MAC_STATUS_PCS_SYNCED) &&
  2076. !(mac_status & MAC_STATUS_RCVD_CFG))
  2077. current_link_up = 1;
  2078. } else {
  2079. /* Forcing 1000FD link up. */
  2080. current_link_up = 1;
  2081. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2082. tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
  2083. udelay(40);
  2084. }
  2085. out:
  2086. return current_link_up;
  2087. }
  2088. static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
  2089. {
  2090. u32 orig_pause_cfg;
  2091. u16 orig_active_speed;
  2092. u8 orig_active_duplex;
  2093. u32 mac_status;
  2094. int current_link_up;
  2095. int i;
  2096. orig_pause_cfg =
  2097. (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2098. TG3_FLAG_TX_PAUSE));
  2099. orig_active_speed = tp->link_config.active_speed;
  2100. orig_active_duplex = tp->link_config.active_duplex;
  2101. if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
  2102. netif_carrier_ok(tp->dev) &&
  2103. (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
  2104. mac_status = tr32(MAC_STATUS);
  2105. mac_status &= (MAC_STATUS_PCS_SYNCED |
  2106. MAC_STATUS_SIGNAL_DET |
  2107. MAC_STATUS_CFG_CHANGED |
  2108. MAC_STATUS_RCVD_CFG);
  2109. if (mac_status == (MAC_STATUS_PCS_SYNCED |
  2110. MAC_STATUS_SIGNAL_DET)) {
  2111. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2112. MAC_STATUS_CFG_CHANGED));
  2113. return 0;
  2114. }
  2115. }
  2116. tw32_f(MAC_TX_AUTO_NEG, 0);
  2117. tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
  2118. tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
  2119. tw32_f(MAC_MODE, tp->mac_mode);
  2120. udelay(40);
  2121. if (tp->phy_id == PHY_ID_BCM8002)
  2122. tg3_init_bcm8002(tp);
  2123. /* Enable link change event even when serdes polling. */
  2124. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2125. udelay(40);
  2126. current_link_up = 0;
  2127. mac_status = tr32(MAC_STATUS);
  2128. if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
  2129. current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
  2130. else
  2131. current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
  2132. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  2133. tw32_f(MAC_MODE, tp->mac_mode);
  2134. udelay(40);
  2135. tp->hw_status->status =
  2136. (SD_STATUS_UPDATED |
  2137. (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
  2138. for (i = 0; i < 100; i++) {
  2139. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2140. MAC_STATUS_CFG_CHANGED));
  2141. udelay(5);
  2142. if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
  2143. MAC_STATUS_CFG_CHANGED)) == 0)
  2144. break;
  2145. }
  2146. mac_status = tr32(MAC_STATUS);
  2147. if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
  2148. current_link_up = 0;
  2149. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2150. tw32_f(MAC_MODE, (tp->mac_mode |
  2151. MAC_MODE_SEND_CONFIGS));
  2152. udelay(1);
  2153. tw32_f(MAC_MODE, tp->mac_mode);
  2154. }
  2155. }
  2156. if (current_link_up == 1) {
  2157. tp->link_config.active_speed = SPEED_1000;
  2158. tp->link_config.active_duplex = DUPLEX_FULL;
  2159. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2160. LED_CTRL_LNKLED_OVERRIDE |
  2161. LED_CTRL_1000MBPS_ON));
  2162. } else {
  2163. tp->link_config.active_speed = SPEED_INVALID;
  2164. tp->link_config.active_duplex = DUPLEX_INVALID;
  2165. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2166. LED_CTRL_LNKLED_OVERRIDE |
  2167. LED_CTRL_TRAFFIC_OVERRIDE));
  2168. }
  2169. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2170. if (current_link_up)
  2171. netif_carrier_on(tp->dev);
  2172. else
  2173. netif_carrier_off(tp->dev);
  2174. tg3_link_report(tp);
  2175. } else {
  2176. u32 now_pause_cfg =
  2177. tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2178. TG3_FLAG_TX_PAUSE);
  2179. if (orig_pause_cfg != now_pause_cfg ||
  2180. orig_active_speed != tp->link_config.active_speed ||
  2181. orig_active_duplex != tp->link_config.active_duplex)
  2182. tg3_link_report(tp);
  2183. }
  2184. return 0;
  2185. }
  2186. static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
  2187. {
  2188. int current_link_up, err = 0;
  2189. u32 bmsr, bmcr;
  2190. u16 current_speed;
  2191. u8 current_duplex;
  2192. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  2193. tw32_f(MAC_MODE, tp->mac_mode);
  2194. udelay(40);
  2195. tw32(MAC_EVENT, 0);
  2196. tw32_f(MAC_STATUS,
  2197. (MAC_STATUS_SYNC_CHANGED |
  2198. MAC_STATUS_CFG_CHANGED |
  2199. MAC_STATUS_MI_COMPLETION |
  2200. MAC_STATUS_LNKSTATE_CHANGED));
  2201. udelay(40);
  2202. if (force_reset)
  2203. tg3_phy_reset(tp);
  2204. current_link_up = 0;
  2205. current_speed = SPEED_INVALID;
  2206. current_duplex = DUPLEX_INVALID;
  2207. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2208. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2209. err |= tg3_readphy(tp, MII_BMCR, &bmcr);
  2210. if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
  2211. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2212. /* do nothing, just check for link up at the end */
  2213. } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2214. u32 adv, new_adv;
  2215. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2216. new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
  2217. ADVERTISE_1000XPAUSE |
  2218. ADVERTISE_1000XPSE_ASYM |
  2219. ADVERTISE_SLCT);
  2220. /* Always advertise symmetric PAUSE just like copper */
  2221. new_adv |= ADVERTISE_1000XPAUSE;
  2222. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  2223. new_adv |= ADVERTISE_1000XHALF;
  2224. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  2225. new_adv |= ADVERTISE_1000XFULL;
  2226. if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
  2227. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  2228. bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
  2229. tg3_writephy(tp, MII_BMCR, bmcr);
  2230. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2231. tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
  2232. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2233. return err;
  2234. }
  2235. } else {
  2236. u32 new_bmcr;
  2237. bmcr &= ~BMCR_SPEED1000;
  2238. new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
  2239. if (tp->link_config.duplex == DUPLEX_FULL)
  2240. new_bmcr |= BMCR_FULLDPLX;
  2241. if (new_bmcr != bmcr) {
  2242. /* BMCR_SPEED1000 is a reserved bit that needs
  2243. * to be set on write.
  2244. */
  2245. new_bmcr |= BMCR_SPEED1000;
  2246. /* Force a linkdown */
  2247. if (netif_carrier_ok(tp->dev)) {
  2248. u32 adv;
  2249. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2250. adv &= ~(ADVERTISE_1000XFULL |
  2251. ADVERTISE_1000XHALF |
  2252. ADVERTISE_SLCT);
  2253. tg3_writephy(tp, MII_ADVERTISE, adv);
  2254. tg3_writephy(tp, MII_BMCR, bmcr |
  2255. BMCR_ANRESTART |
  2256. BMCR_ANENABLE);
  2257. udelay(10);
  2258. netif_carrier_off(tp->dev);
  2259. }
  2260. tg3_writephy(tp, MII_BMCR, new_bmcr);
  2261. bmcr = new_bmcr;
  2262. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2263. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2264. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2265. }
  2266. }
  2267. if (bmsr & BMSR_LSTATUS) {
  2268. current_speed = SPEED_1000;
  2269. current_link_up = 1;
  2270. if (bmcr & BMCR_FULLDPLX)
  2271. current_duplex = DUPLEX_FULL;
  2272. else
  2273. current_duplex = DUPLEX_HALF;
  2274. if (bmcr & BMCR_ANENABLE) {
  2275. u32 local_adv, remote_adv, common;
  2276. err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
  2277. err |= tg3_readphy(tp, MII_LPA, &remote_adv);
  2278. common = local_adv & remote_adv;
  2279. if (common & (ADVERTISE_1000XHALF |
  2280. ADVERTISE_1000XFULL)) {
  2281. if (common & ADVERTISE_1000XFULL)
  2282. current_duplex = DUPLEX_FULL;
  2283. else
  2284. current_duplex = DUPLEX_HALF;
  2285. tg3_setup_flow_control(tp, local_adv,
  2286. remote_adv);
  2287. }
  2288. else
  2289. current_link_up = 0;
  2290. }
  2291. }
  2292. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  2293. if (tp->link_config.active_duplex == DUPLEX_HALF)
  2294. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  2295. tw32_f(MAC_MODE, tp->mac_mode);
  2296. udelay(40);
  2297. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2298. tp->link_config.active_speed = current_speed;
  2299. tp->link_config.active_duplex = current_duplex;
  2300. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2301. if (current_link_up)
  2302. netif_carrier_on(tp->dev);
  2303. else {
  2304. netif_carrier_off(tp->dev);
  2305. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2306. }
  2307. tg3_link_report(tp);
  2308. }
  2309. return err;
  2310. }
  2311. static void tg3_serdes_parallel_detect(struct tg3 *tp)
  2312. {
  2313. if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED) {
  2314. /* Give autoneg time to complete. */
  2315. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2316. return;
  2317. }
  2318. if (!netif_carrier_ok(tp->dev) &&
  2319. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  2320. u32 bmcr;
  2321. tg3_readphy(tp, MII_BMCR, &bmcr);
  2322. if (bmcr & BMCR_ANENABLE) {
  2323. u32 phy1, phy2;
  2324. /* Select shadow register 0x1f */
  2325. tg3_writephy(tp, 0x1c, 0x7c00);
  2326. tg3_readphy(tp, 0x1c, &phy1);
  2327. /* Select expansion interrupt status register */
  2328. tg3_writephy(tp, 0x17, 0x0f01);
  2329. tg3_readphy(tp, 0x15, &phy2);
  2330. tg3_readphy(tp, 0x15, &phy2);
  2331. if ((phy1 & 0x10) && !(phy2 & 0x20)) {
  2332. /* We have signal detect and not receiving
  2333. * config code words, link is up by parallel
  2334. * detection.
  2335. */
  2336. bmcr &= ~BMCR_ANENABLE;
  2337. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  2338. tg3_writephy(tp, MII_BMCR, bmcr);
  2339. tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
  2340. }
  2341. }
  2342. }
  2343. else if (netif_carrier_ok(tp->dev) &&
  2344. (tp->link_config.autoneg == AUTONEG_ENABLE) &&
  2345. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2346. u32 phy2;
  2347. /* Select expansion interrupt status register */
  2348. tg3_writephy(tp, 0x17, 0x0f01);
  2349. tg3_readphy(tp, 0x15, &phy2);
  2350. if (phy2 & 0x20) {
  2351. u32 bmcr;
  2352. /* Config code words received, turn on autoneg. */
  2353. tg3_readphy(tp, MII_BMCR, &bmcr);
  2354. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
  2355. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2356. }
  2357. }
  2358. }
  2359. static int tg3_setup_phy(struct tg3 *tp, int force_reset)
  2360. {
  2361. int err;
  2362. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  2363. err = tg3_setup_fiber_phy(tp, force_reset);
  2364. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  2365. err = tg3_setup_fiber_mii_phy(tp, force_reset);
  2366. } else {
  2367. err = tg3_setup_copper_phy(tp, force_reset);
  2368. }
  2369. if (tp->link_config.active_speed == SPEED_1000 &&
  2370. tp->link_config.active_duplex == DUPLEX_HALF)
  2371. tw32(MAC_TX_LENGTHS,
  2372. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2373. (6 << TX_LENGTHS_IPG_SHIFT) |
  2374. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2375. else
  2376. tw32(MAC_TX_LENGTHS,
  2377. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2378. (6 << TX_LENGTHS_IPG_SHIFT) |
  2379. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2380. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  2381. if (netif_carrier_ok(tp->dev)) {
  2382. tw32(HOSTCC_STAT_COAL_TICKS,
  2383. tp->coal.stats_block_coalesce_usecs);
  2384. } else {
  2385. tw32(HOSTCC_STAT_COAL_TICKS, 0);
  2386. }
  2387. }
  2388. return err;
  2389. }
  2390. /* Tigon3 never reports partial packet sends. So we do not
  2391. * need special logic to handle SKBs that have not had all
  2392. * of their frags sent yet, like SunGEM does.
  2393. */
  2394. static void tg3_tx(struct tg3 *tp)
  2395. {
  2396. u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
  2397. u32 sw_idx = tp->tx_cons;
  2398. while (sw_idx != hw_idx) {
  2399. struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
  2400. struct sk_buff *skb = ri->skb;
  2401. int i;
  2402. if (unlikely(skb == NULL))
  2403. BUG();
  2404. pci_unmap_single(tp->pdev,
  2405. pci_unmap_addr(ri, mapping),
  2406. skb_headlen(skb),
  2407. PCI_DMA_TODEVICE);
  2408. ri->skb = NULL;
  2409. sw_idx = NEXT_TX(sw_idx);
  2410. for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
  2411. if (unlikely(sw_idx == hw_idx))
  2412. BUG();
  2413. ri = &tp->tx_buffers[sw_idx];
  2414. if (unlikely(ri->skb != NULL))
  2415. BUG();
  2416. pci_unmap_page(tp->pdev,
  2417. pci_unmap_addr(ri, mapping),
  2418. skb_shinfo(skb)->frags[i].size,
  2419. PCI_DMA_TODEVICE);
  2420. sw_idx = NEXT_TX(sw_idx);
  2421. }
  2422. dev_kfree_skb(skb);
  2423. }
  2424. tp->tx_cons = sw_idx;
  2425. if (unlikely(netif_queue_stopped(tp->dev))) {
  2426. spin_lock(&tp->tx_lock);
  2427. if (netif_queue_stopped(tp->dev) &&
  2428. (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH))
  2429. netif_wake_queue(tp->dev);
  2430. spin_unlock(&tp->tx_lock);
  2431. }
  2432. }
  2433. /* Returns size of skb allocated or < 0 on error.
  2434. *
  2435. * We only need to fill in the address because the other members
  2436. * of the RX descriptor are invariant, see tg3_init_rings.
  2437. *
  2438. * Note the purposeful assymetry of cpu vs. chip accesses. For
  2439. * posting buffers we only dirty the first cache line of the RX
  2440. * descriptor (containing the address). Whereas for the RX status
  2441. * buffers the cpu only reads the last cacheline of the RX descriptor
  2442. * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  2443. */
  2444. static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
  2445. int src_idx, u32 dest_idx_unmasked)
  2446. {
  2447. struct tg3_rx_buffer_desc *desc;
  2448. struct ring_info *map, *src_map;
  2449. struct sk_buff *skb;
  2450. dma_addr_t mapping;
  2451. int skb_size, dest_idx;
  2452. src_map = NULL;
  2453. switch (opaque_key) {
  2454. case RXD_OPAQUE_RING_STD:
  2455. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2456. desc = &tp->rx_std[dest_idx];
  2457. map = &tp->rx_std_buffers[dest_idx];
  2458. if (src_idx >= 0)
  2459. src_map = &tp->rx_std_buffers[src_idx];
  2460. skb_size = tp->rx_pkt_buf_sz;
  2461. break;
  2462. case RXD_OPAQUE_RING_JUMBO:
  2463. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2464. desc = &tp->rx_jumbo[dest_idx];
  2465. map = &tp->rx_jumbo_buffers[dest_idx];
  2466. if (src_idx >= 0)
  2467. src_map = &tp->rx_jumbo_buffers[src_idx];
  2468. skb_size = RX_JUMBO_PKT_BUF_SZ;
  2469. break;
  2470. default:
  2471. return -EINVAL;
  2472. };
  2473. /* Do not overwrite any of the map or rp information
  2474. * until we are sure we can commit to a new buffer.
  2475. *
  2476. * Callers depend upon this behavior and assume that
  2477. * we leave everything unchanged if we fail.
  2478. */
  2479. skb = dev_alloc_skb(skb_size);
  2480. if (skb == NULL)
  2481. return -ENOMEM;
  2482. skb->dev = tp->dev;
  2483. skb_reserve(skb, tp->rx_offset);
  2484. mapping = pci_map_single(tp->pdev, skb->data,
  2485. skb_size - tp->rx_offset,
  2486. PCI_DMA_FROMDEVICE);
  2487. map->skb = skb;
  2488. pci_unmap_addr_set(map, mapping, mapping);
  2489. if (src_map != NULL)
  2490. src_map->skb = NULL;
  2491. desc->addr_hi = ((u64)mapping >> 32);
  2492. desc->addr_lo = ((u64)mapping & 0xffffffff);
  2493. return skb_size;
  2494. }
  2495. /* We only need to move over in the address because the other
  2496. * members of the RX descriptor are invariant. See notes above
  2497. * tg3_alloc_rx_skb for full details.
  2498. */
  2499. static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
  2500. int src_idx, u32 dest_idx_unmasked)
  2501. {
  2502. struct tg3_rx_buffer_desc *src_desc, *dest_desc;
  2503. struct ring_info *src_map, *dest_map;
  2504. int dest_idx;
  2505. switch (opaque_key) {
  2506. case RXD_OPAQUE_RING_STD:
  2507. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2508. dest_desc = &tp->rx_std[dest_idx];
  2509. dest_map = &tp->rx_std_buffers[dest_idx];
  2510. src_desc = &tp->rx_std[src_idx];
  2511. src_map = &tp->rx_std_buffers[src_idx];
  2512. break;
  2513. case RXD_OPAQUE_RING_JUMBO:
  2514. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2515. dest_desc = &tp->rx_jumbo[dest_idx];
  2516. dest_map = &tp->rx_jumbo_buffers[dest_idx];
  2517. src_desc = &tp->rx_jumbo[src_idx];
  2518. src_map = &tp->rx_jumbo_buffers[src_idx];
  2519. break;
  2520. default:
  2521. return;
  2522. };
  2523. dest_map->skb = src_map->skb;
  2524. pci_unmap_addr_set(dest_map, mapping,
  2525. pci_unmap_addr(src_map, mapping));
  2526. dest_desc->addr_hi = src_desc->addr_hi;
  2527. dest_desc->addr_lo = src_desc->addr_lo;
  2528. src_map->skb = NULL;
  2529. }
  2530. #if TG3_VLAN_TAG_USED
  2531. static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
  2532. {
  2533. return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
  2534. }
  2535. #endif
  2536. /* The RX ring scheme is composed of multiple rings which post fresh
  2537. * buffers to the chip, and one special ring the chip uses to report
  2538. * status back to the host.
  2539. *
  2540. * The special ring reports the status of received packets to the
  2541. * host. The chip does not write into the original descriptor the
  2542. * RX buffer was obtained from. The chip simply takes the original
  2543. * descriptor as provided by the host, updates the status and length
  2544. * field, then writes this into the next status ring entry.
  2545. *
  2546. * Each ring the host uses to post buffers to the chip is described
  2547. * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
  2548. * it is first placed into the on-chip ram. When the packet's length
  2549. * is known, it walks down the TG3_BDINFO entries to select the ring.
  2550. * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
  2551. * which is within the range of the new packet's length is chosen.
  2552. *
  2553. * The "separate ring for rx status" scheme may sound queer, but it makes
  2554. * sense from a cache coherency perspective. If only the host writes
  2555. * to the buffer post rings, and only the chip writes to the rx status
  2556. * rings, then cache lines never move beyond shared-modified state.
  2557. * If both the host and chip were to write into the same ring, cache line
  2558. * eviction could occur since both entities want it in an exclusive state.
  2559. */
  2560. static int tg3_rx(struct tg3 *tp, int budget)
  2561. {
  2562. u32 work_mask;
  2563. u32 sw_idx = tp->rx_rcb_ptr;
  2564. u16 hw_idx;
  2565. int received;
  2566. hw_idx = tp->hw_status->idx[0].rx_producer;
  2567. /*
  2568. * We need to order the read of hw_idx and the read of
  2569. * the opaque cookie.
  2570. */
  2571. rmb();
  2572. work_mask = 0;
  2573. received = 0;
  2574. while (sw_idx != hw_idx && budget > 0) {
  2575. struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
  2576. unsigned int len;
  2577. struct sk_buff *skb;
  2578. dma_addr_t dma_addr;
  2579. u32 opaque_key, desc_idx, *post_ptr;
  2580. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  2581. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  2582. if (opaque_key == RXD_OPAQUE_RING_STD) {
  2583. dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
  2584. mapping);
  2585. skb = tp->rx_std_buffers[desc_idx].skb;
  2586. post_ptr = &tp->rx_std_ptr;
  2587. } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
  2588. dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
  2589. mapping);
  2590. skb = tp->rx_jumbo_buffers[desc_idx].skb;
  2591. post_ptr = &tp->rx_jumbo_ptr;
  2592. }
  2593. else {
  2594. goto next_pkt_nopost;
  2595. }
  2596. work_mask |= opaque_key;
  2597. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  2598. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
  2599. drop_it:
  2600. tg3_recycle_rx(tp, opaque_key,
  2601. desc_idx, *post_ptr);
  2602. drop_it_no_recycle:
  2603. /* Other statistics kept track of by card. */
  2604. tp->net_stats.rx_dropped++;
  2605. goto next_pkt;
  2606. }
  2607. len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
  2608. if (len > RX_COPY_THRESHOLD
  2609. && tp->rx_offset == 2
  2610. /* rx_offset != 2 iff this is a 5701 card running
  2611. * in PCI-X mode [see tg3_get_invariants()] */
  2612. ) {
  2613. int skb_size;
  2614. skb_size = tg3_alloc_rx_skb(tp, opaque_key,
  2615. desc_idx, *post_ptr);
  2616. if (skb_size < 0)
  2617. goto drop_it;
  2618. pci_unmap_single(tp->pdev, dma_addr,
  2619. skb_size - tp->rx_offset,
  2620. PCI_DMA_FROMDEVICE);
  2621. skb_put(skb, len);
  2622. } else {
  2623. struct sk_buff *copy_skb;
  2624. tg3_recycle_rx(tp, opaque_key,
  2625. desc_idx, *post_ptr);
  2626. copy_skb = dev_alloc_skb(len + 2);
  2627. if (copy_skb == NULL)
  2628. goto drop_it_no_recycle;
  2629. copy_skb->dev = tp->dev;
  2630. skb_reserve(copy_skb, 2);
  2631. skb_put(copy_skb, len);
  2632. pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2633. memcpy(copy_skb->data, skb->data, len);
  2634. pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2635. /* We'll reuse the original ring buffer. */
  2636. skb = copy_skb;
  2637. }
  2638. if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
  2639. (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
  2640. (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
  2641. >> RXD_TCPCSUM_SHIFT) == 0xffff))
  2642. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2643. else
  2644. skb->ip_summed = CHECKSUM_NONE;
  2645. skb->protocol = eth_type_trans(skb, tp->dev);
  2646. #if TG3_VLAN_TAG_USED
  2647. if (tp->vlgrp != NULL &&
  2648. desc->type_flags & RXD_FLAG_VLAN) {
  2649. tg3_vlan_rx(tp, skb,
  2650. desc->err_vlan & RXD_VLAN_MASK);
  2651. } else
  2652. #endif
  2653. netif_receive_skb(skb);
  2654. tp->dev->last_rx = jiffies;
  2655. received++;
  2656. budget--;
  2657. next_pkt:
  2658. (*post_ptr)++;
  2659. next_pkt_nopost:
  2660. sw_idx++;
  2661. sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
  2662. /* Refresh hw_idx to see if there is new work */
  2663. if (sw_idx == hw_idx) {
  2664. hw_idx = tp->hw_status->idx[0].rx_producer;
  2665. rmb();
  2666. }
  2667. }
  2668. /* ACK the status ring. */
  2669. tp->rx_rcb_ptr = sw_idx;
  2670. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
  2671. /* Refill RX ring(s). */
  2672. if (work_mask & RXD_OPAQUE_RING_STD) {
  2673. sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
  2674. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  2675. sw_idx);
  2676. }
  2677. if (work_mask & RXD_OPAQUE_RING_JUMBO) {
  2678. sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
  2679. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  2680. sw_idx);
  2681. }
  2682. mmiowb();
  2683. return received;
  2684. }
  2685. static int tg3_poll(struct net_device *netdev, int *budget)
  2686. {
  2687. struct tg3 *tp = netdev_priv(netdev);
  2688. struct tg3_hw_status *sblk = tp->hw_status;
  2689. int done;
  2690. /* handle link change and other phy events */
  2691. if (!(tp->tg3_flags &
  2692. (TG3_FLAG_USE_LINKCHG_REG |
  2693. TG3_FLAG_POLL_SERDES))) {
  2694. if (sblk->status & SD_STATUS_LINK_CHG) {
  2695. sblk->status = SD_STATUS_UPDATED |
  2696. (sblk->status & ~SD_STATUS_LINK_CHG);
  2697. spin_lock(&tp->lock);
  2698. tg3_setup_phy(tp, 0);
  2699. spin_unlock(&tp->lock);
  2700. }
  2701. }
  2702. /* run TX completion thread */
  2703. if (sblk->idx[0].tx_consumer != tp->tx_cons) {
  2704. tg3_tx(tp);
  2705. }
  2706. /* run RX thread, within the bounds set by NAPI.
  2707. * All RX "locking" is done by ensuring outside
  2708. * code synchronizes with dev->poll()
  2709. */
  2710. if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
  2711. int orig_budget = *budget;
  2712. int work_done;
  2713. if (orig_budget > netdev->quota)
  2714. orig_budget = netdev->quota;
  2715. work_done = tg3_rx(tp, orig_budget);
  2716. *budget -= work_done;
  2717. netdev->quota -= work_done;
  2718. }
  2719. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  2720. tp->last_tag = sblk->status_tag;
  2721. rmb();
  2722. sblk->status &= ~SD_STATUS_UPDATED;
  2723. /* if no more work, tell net stack and NIC we're done */
  2724. done = !tg3_has_work(tp);
  2725. if (done) {
  2726. spin_lock(&tp->lock);
  2727. netif_rx_complete(netdev);
  2728. tg3_restart_ints(tp);
  2729. spin_unlock(&tp->lock);
  2730. }
  2731. return (done ? 0 : 1);
  2732. }
  2733. static void tg3_irq_quiesce(struct tg3 *tp)
  2734. {
  2735. BUG_ON(tp->irq_sync);
  2736. tp->irq_sync = 1;
  2737. smp_mb();
  2738. synchronize_irq(tp->pdev->irq);
  2739. }
  2740. static inline int tg3_irq_sync(struct tg3 *tp)
  2741. {
  2742. return tp->irq_sync;
  2743. }
  2744. /* Fully shutdown all tg3 driver activity elsewhere in the system.
  2745. * If irq_sync is non-zero, then the IRQ handler must be synchronized
  2746. * with as well. Most of the time, this is not necessary except when
  2747. * shutting down the device.
  2748. */
  2749. static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
  2750. {
  2751. if (irq_sync)
  2752. tg3_irq_quiesce(tp);
  2753. spin_lock_bh(&tp->lock);
  2754. spin_lock(&tp->tx_lock);
  2755. }
  2756. static inline void tg3_full_unlock(struct tg3 *tp)
  2757. {
  2758. spin_unlock(&tp->tx_lock);
  2759. spin_unlock_bh(&tp->lock);
  2760. }
  2761. /* MSI ISR - No need to check for interrupt sharing and no need to
  2762. * flush status block and interrupt mailbox. PCI ordering rules
  2763. * guarantee that MSI will arrive after the status block.
  2764. */
  2765. static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
  2766. {
  2767. struct net_device *dev = dev_id;
  2768. struct tg3 *tp = netdev_priv(dev);
  2769. struct tg3_hw_status *sblk = tp->hw_status;
  2770. /*
  2771. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2772. * chip-internal interrupt pending events.
  2773. * Writing non-zero to intr-mbox-0 additional tells the
  2774. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2775. * event coalescing.
  2776. */
  2777. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  2778. tp->last_tag = sblk->status_tag;
  2779. rmb();
  2780. if (tg3_irq_sync(tp))
  2781. goto out;
  2782. sblk->status &= ~SD_STATUS_UPDATED;
  2783. if (likely(tg3_has_work(tp)))
  2784. netif_rx_schedule(dev); /* schedule NAPI poll */
  2785. else {
  2786. /* No work, re-enable interrupts. */
  2787. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2788. tp->last_tag << 24);
  2789. }
  2790. out:
  2791. return IRQ_RETVAL(1);
  2792. }
  2793. static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  2794. {
  2795. struct net_device *dev = dev_id;
  2796. struct tg3 *tp = netdev_priv(dev);
  2797. struct tg3_hw_status *sblk = tp->hw_status;
  2798. unsigned int handled = 1;
  2799. /* In INTx mode, it is possible for the interrupt to arrive at
  2800. * the CPU before the status block posted prior to the interrupt.
  2801. * Reading the PCI State register will confirm whether the
  2802. * interrupt is ours and will flush the status block.
  2803. */
  2804. if ((sblk->status & SD_STATUS_UPDATED) ||
  2805. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2806. /*
  2807. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2808. * chip-internal interrupt pending events.
  2809. * Writing non-zero to intr-mbox-0 additional tells the
  2810. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2811. * event coalescing.
  2812. */
  2813. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2814. 0x00000001);
  2815. if (tg3_irq_sync(tp))
  2816. goto out;
  2817. sblk->status &= ~SD_STATUS_UPDATED;
  2818. if (likely(tg3_has_work(tp)))
  2819. netif_rx_schedule(dev); /* schedule NAPI poll */
  2820. else {
  2821. /* No work, shared interrupt perhaps? re-enable
  2822. * interrupts, and flush that PCI write
  2823. */
  2824. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2825. 0x00000000);
  2826. }
  2827. } else { /* shared interrupt */
  2828. handled = 0;
  2829. }
  2830. out:
  2831. return IRQ_RETVAL(handled);
  2832. }
  2833. static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
  2834. {
  2835. struct net_device *dev = dev_id;
  2836. struct tg3 *tp = netdev_priv(dev);
  2837. struct tg3_hw_status *sblk = tp->hw_status;
  2838. unsigned int handled = 1;
  2839. /* In INTx mode, it is possible for the interrupt to arrive at
  2840. * the CPU before the status block posted prior to the interrupt.
  2841. * Reading the PCI State register will confirm whether the
  2842. * interrupt is ours and will flush the status block.
  2843. */
  2844. if ((sblk->status & SD_STATUS_UPDATED) ||
  2845. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2846. /*
  2847. * writing any value to intr-mbox-0 clears PCI INTA# and
  2848. * chip-internal interrupt pending events.
  2849. * writing non-zero to intr-mbox-0 additional tells the
  2850. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2851. * event coalescing.
  2852. */
  2853. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2854. 0x00000001);
  2855. tp->last_tag = sblk->status_tag;
  2856. rmb();
  2857. if (tg3_irq_sync(tp))
  2858. goto out;
  2859. sblk->status &= ~SD_STATUS_UPDATED;
  2860. if (likely(tg3_has_work(tp)))
  2861. netif_rx_schedule(dev); /* schedule NAPI poll */
  2862. else {
  2863. /* no work, shared interrupt perhaps? re-enable
  2864. * interrupts, and flush that PCI write
  2865. */
  2866. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2867. tp->last_tag << 24);
  2868. }
  2869. } else { /* shared interrupt */
  2870. handled = 0;
  2871. }
  2872. out:
  2873. return IRQ_RETVAL(handled);
  2874. }
  2875. /* ISR for interrupt test */
  2876. static irqreturn_t tg3_test_isr(int irq, void *dev_id,
  2877. struct pt_regs *regs)
  2878. {
  2879. struct net_device *dev = dev_id;
  2880. struct tg3 *tp = netdev_priv(dev);
  2881. struct tg3_hw_status *sblk = tp->hw_status;
  2882. if (sblk->status & SD_STATUS_UPDATED) {
  2883. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2884. 0x00000001);
  2885. return IRQ_RETVAL(1);
  2886. }
  2887. return IRQ_RETVAL(0);
  2888. }
  2889. static int tg3_init_hw(struct tg3 *);
  2890. static int tg3_halt(struct tg3 *, int, int);
  2891. #ifdef CONFIG_NET_POLL_CONTROLLER
  2892. static void tg3_poll_controller(struct net_device *dev)
  2893. {
  2894. struct tg3 *tp = netdev_priv(dev);
  2895. tg3_interrupt(tp->pdev->irq, dev, NULL);
  2896. }
  2897. #endif
  2898. static void tg3_reset_task(void *_data)
  2899. {
  2900. struct tg3 *tp = _data;
  2901. unsigned int restart_timer;
  2902. tg3_netif_stop(tp);
  2903. tg3_full_lock(tp, 1);
  2904. restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
  2905. tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
  2906. tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
  2907. tg3_init_hw(tp);
  2908. tg3_netif_start(tp);
  2909. tg3_full_unlock(tp);
  2910. if (restart_timer)
  2911. mod_timer(&tp->timer, jiffies + 1);
  2912. }
  2913. static void tg3_tx_timeout(struct net_device *dev)
  2914. {
  2915. struct tg3 *tp = netdev_priv(dev);
  2916. printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
  2917. dev->name);
  2918. schedule_work(&tp->reset_task);
  2919. }
  2920. static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
  2921. static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
  2922. u32 guilty_entry, int guilty_len,
  2923. u32 last_plus_one, u32 *start, u32 mss)
  2924. {
  2925. struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
  2926. dma_addr_t new_addr;
  2927. u32 entry = *start;
  2928. int i;
  2929. if (!new_skb) {
  2930. dev_kfree_skb(skb);
  2931. return -1;
  2932. }
  2933. /* New SKB is guaranteed to be linear. */
  2934. entry = *start;
  2935. new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
  2936. PCI_DMA_TODEVICE);
  2937. tg3_set_txd(tp, entry, new_addr, new_skb->len,
  2938. (skb->ip_summed == CHECKSUM_HW) ?
  2939. TXD_FLAG_TCPUDP_CSUM : 0, 1 | (mss << 1));
  2940. *start = NEXT_TX(entry);
  2941. /* Now clean up the sw ring entries. */
  2942. i = 0;
  2943. while (entry != last_plus_one) {
  2944. int len;
  2945. if (i == 0)
  2946. len = skb_headlen(skb);
  2947. else
  2948. len = skb_shinfo(skb)->frags[i-1].size;
  2949. pci_unmap_single(tp->pdev,
  2950. pci_unmap_addr(&tp->tx_buffers[entry], mapping),
  2951. len, PCI_DMA_TODEVICE);
  2952. if (i == 0) {
  2953. tp->tx_buffers[entry].skb = new_skb;
  2954. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
  2955. } else {
  2956. tp->tx_buffers[entry].skb = NULL;
  2957. }
  2958. entry = NEXT_TX(entry);
  2959. i++;
  2960. }
  2961. dev_kfree_skb(skb);
  2962. return 0;
  2963. }
  2964. static void tg3_set_txd(struct tg3 *tp, int entry,
  2965. dma_addr_t mapping, int len, u32 flags,
  2966. u32 mss_and_is_end)
  2967. {
  2968. struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
  2969. int is_end = (mss_and_is_end & 0x1);
  2970. u32 mss = (mss_and_is_end >> 1);
  2971. u32 vlan_tag = 0;
  2972. if (is_end)
  2973. flags |= TXD_FLAG_END;
  2974. if (flags & TXD_FLAG_VLAN) {
  2975. vlan_tag = flags >> 16;
  2976. flags &= 0xffff;
  2977. }
  2978. vlan_tag |= (mss << TXD_MSS_SHIFT);
  2979. txd->addr_hi = ((u64) mapping >> 32);
  2980. txd->addr_lo = ((u64) mapping & 0xffffffff);
  2981. txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
  2982. txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
  2983. }
  2984. static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
  2985. {
  2986. u32 base = (u32) mapping & 0xffffffff;
  2987. return ((base > 0xffffdcc0) &&
  2988. (base + len + 8 < base));
  2989. }
  2990. static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
  2991. {
  2992. struct tg3 *tp = netdev_priv(dev);
  2993. dma_addr_t mapping;
  2994. unsigned int i;
  2995. u32 len, entry, base_flags, mss;
  2996. int would_hit_hwbug;
  2997. len = skb_headlen(skb);
  2998. /* No BH disabling for tx_lock here. We are running in BH disabled
  2999. * context and TX reclaim runs via tp->poll inside of a software
  3000. * interrupt. Furthermore, IRQ processing runs lockless so we have
  3001. * no IRQ context deadlocks to worry about either. Rejoice!
  3002. */
  3003. if (!spin_trylock(&tp->tx_lock))
  3004. return NETDEV_TX_LOCKED;
  3005. /* This is a hard error, log it. */
  3006. if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  3007. netif_stop_queue(dev);
  3008. spin_unlock(&tp->tx_lock);
  3009. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
  3010. dev->name);
  3011. return NETDEV_TX_BUSY;
  3012. }
  3013. entry = tp->tx_prod;
  3014. base_flags = 0;
  3015. if (skb->ip_summed == CHECKSUM_HW)
  3016. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  3017. #if TG3_TSO_SUPPORT != 0
  3018. mss = 0;
  3019. if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
  3020. (mss = skb_shinfo(skb)->tso_size) != 0) {
  3021. int tcp_opt_len, ip_tcp_len;
  3022. if (skb_header_cloned(skb) &&
  3023. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  3024. dev_kfree_skb(skb);
  3025. goto out_unlock;
  3026. }
  3027. tcp_opt_len = ((skb->h.th->doff - 5) * 4);
  3028. ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
  3029. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  3030. TXD_FLAG_CPU_POST_DMA);
  3031. skb->nh.iph->check = 0;
  3032. skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len);
  3033. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  3034. skb->h.th->check = 0;
  3035. base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
  3036. }
  3037. else {
  3038. skb->h.th->check =
  3039. ~csum_tcpudp_magic(skb->nh.iph->saddr,
  3040. skb->nh.iph->daddr,
  3041. 0, IPPROTO_TCP, 0);
  3042. }
  3043. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
  3044. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
  3045. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3046. int tsflags;
  3047. tsflags = ((skb->nh.iph->ihl - 5) +
  3048. (tcp_opt_len >> 2));
  3049. mss |= (tsflags << 11);
  3050. }
  3051. } else {
  3052. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3053. int tsflags;
  3054. tsflags = ((skb->nh.iph->ihl - 5) +
  3055. (tcp_opt_len >> 2));
  3056. base_flags |= tsflags << 12;
  3057. }
  3058. }
  3059. }
  3060. #else
  3061. mss = 0;
  3062. #endif
  3063. #if TG3_VLAN_TAG_USED
  3064. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  3065. base_flags |= (TXD_FLAG_VLAN |
  3066. (vlan_tx_tag_get(skb) << 16));
  3067. #endif
  3068. /* Queue skb data, a.k.a. the main skb fragment. */
  3069. mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  3070. tp->tx_buffers[entry].skb = skb;
  3071. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3072. would_hit_hwbug = 0;
  3073. if (tg3_4g_overflow_test(mapping, len))
  3074. would_hit_hwbug = entry + 1;
  3075. tg3_set_txd(tp, entry, mapping, len, base_flags,
  3076. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  3077. entry = NEXT_TX(entry);
  3078. /* Now loop through additional data fragments, and queue them. */
  3079. if (skb_shinfo(skb)->nr_frags > 0) {
  3080. unsigned int i, last;
  3081. last = skb_shinfo(skb)->nr_frags - 1;
  3082. for (i = 0; i <= last; i++) {
  3083. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  3084. len = frag->size;
  3085. mapping = pci_map_page(tp->pdev,
  3086. frag->page,
  3087. frag->page_offset,
  3088. len, PCI_DMA_TODEVICE);
  3089. tp->tx_buffers[entry].skb = NULL;
  3090. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3091. if (tg3_4g_overflow_test(mapping, len)) {
  3092. /* Only one should match. */
  3093. if (would_hit_hwbug)
  3094. BUG();
  3095. would_hit_hwbug = entry + 1;
  3096. }
  3097. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  3098. tg3_set_txd(tp, entry, mapping, len,
  3099. base_flags, (i == last)|(mss << 1));
  3100. else
  3101. tg3_set_txd(tp, entry, mapping, len,
  3102. base_flags, (i == last));
  3103. entry = NEXT_TX(entry);
  3104. }
  3105. }
  3106. if (would_hit_hwbug) {
  3107. u32 last_plus_one = entry;
  3108. u32 start;
  3109. unsigned int len = 0;
  3110. would_hit_hwbug -= 1;
  3111. entry = entry - 1 - skb_shinfo(skb)->nr_frags;
  3112. entry &= (TG3_TX_RING_SIZE - 1);
  3113. start = entry;
  3114. i = 0;
  3115. while (entry != last_plus_one) {
  3116. if (i == 0)
  3117. len = skb_headlen(skb);
  3118. else
  3119. len = skb_shinfo(skb)->frags[i-1].size;
  3120. if (entry == would_hit_hwbug)
  3121. break;
  3122. i++;
  3123. entry = NEXT_TX(entry);
  3124. }
  3125. /* If the workaround fails due to memory/mapping
  3126. * failure, silently drop this packet.
  3127. */
  3128. if (tigon3_4gb_hwbug_workaround(tp, skb,
  3129. entry, len,
  3130. last_plus_one,
  3131. &start, mss))
  3132. goto out_unlock;
  3133. entry = start;
  3134. }
  3135. /* Packets are ready, update Tx producer idx local and on card. */
  3136. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  3137. tp->tx_prod = entry;
  3138. if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) {
  3139. netif_stop_queue(dev);
  3140. if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH)
  3141. netif_wake_queue(tp->dev);
  3142. }
  3143. out_unlock:
  3144. mmiowb();
  3145. spin_unlock(&tp->tx_lock);
  3146. dev->trans_start = jiffies;
  3147. return NETDEV_TX_OK;
  3148. }
  3149. static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
  3150. int new_mtu)
  3151. {
  3152. dev->mtu = new_mtu;
  3153. if (new_mtu > ETH_DATA_LEN) {
  3154. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  3155. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  3156. ethtool_op_set_tso(dev, 0);
  3157. }
  3158. else
  3159. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  3160. } else {
  3161. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  3162. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  3163. tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
  3164. }
  3165. }
  3166. static int tg3_change_mtu(struct net_device *dev, int new_mtu)
  3167. {
  3168. struct tg3 *tp = netdev_priv(dev);
  3169. if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
  3170. return -EINVAL;
  3171. if (!netif_running(dev)) {
  3172. /* We'll just catch it later when the
  3173. * device is up'd.
  3174. */
  3175. tg3_set_mtu(dev, tp, new_mtu);
  3176. return 0;
  3177. }
  3178. tg3_netif_stop(tp);
  3179. tg3_full_lock(tp, 1);
  3180. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  3181. tg3_set_mtu(dev, tp, new_mtu);
  3182. tg3_init_hw(tp);
  3183. tg3_netif_start(tp);
  3184. tg3_full_unlock(tp);
  3185. return 0;
  3186. }
  3187. /* Free up pending packets in all rx/tx rings.
  3188. *
  3189. * The chip has been shut down and the driver detached from
  3190. * the networking, so no interrupts or new tx packets will
  3191. * end up in the driver. tp->{tx,}lock is not held and we are not
  3192. * in an interrupt context and thus may sleep.
  3193. */
  3194. static void tg3_free_rings(struct tg3 *tp)
  3195. {
  3196. struct ring_info *rxp;
  3197. int i;
  3198. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3199. rxp = &tp->rx_std_buffers[i];
  3200. if (rxp->skb == NULL)
  3201. continue;
  3202. pci_unmap_single(tp->pdev,
  3203. pci_unmap_addr(rxp, mapping),
  3204. tp->rx_pkt_buf_sz - tp->rx_offset,
  3205. PCI_DMA_FROMDEVICE);
  3206. dev_kfree_skb_any(rxp->skb);
  3207. rxp->skb = NULL;
  3208. }
  3209. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3210. rxp = &tp->rx_jumbo_buffers[i];
  3211. if (rxp->skb == NULL)
  3212. continue;
  3213. pci_unmap_single(tp->pdev,
  3214. pci_unmap_addr(rxp, mapping),
  3215. RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
  3216. PCI_DMA_FROMDEVICE);
  3217. dev_kfree_skb_any(rxp->skb);
  3218. rxp->skb = NULL;
  3219. }
  3220. for (i = 0; i < TG3_TX_RING_SIZE; ) {
  3221. struct tx_ring_info *txp;
  3222. struct sk_buff *skb;
  3223. int j;
  3224. txp = &tp->tx_buffers[i];
  3225. skb = txp->skb;
  3226. if (skb == NULL) {
  3227. i++;
  3228. continue;
  3229. }
  3230. pci_unmap_single(tp->pdev,
  3231. pci_unmap_addr(txp, mapping),
  3232. skb_headlen(skb),
  3233. PCI_DMA_TODEVICE);
  3234. txp->skb = NULL;
  3235. i++;
  3236. for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
  3237. txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
  3238. pci_unmap_page(tp->pdev,
  3239. pci_unmap_addr(txp, mapping),
  3240. skb_shinfo(skb)->frags[j].size,
  3241. PCI_DMA_TODEVICE);
  3242. i++;
  3243. }
  3244. dev_kfree_skb_any(skb);
  3245. }
  3246. }
  3247. /* Initialize tx/rx rings for packet processing.
  3248. *
  3249. * The chip has been shut down and the driver detached from
  3250. * the networking, so no interrupts or new tx packets will
  3251. * end up in the driver. tp->{tx,}lock are held and thus
  3252. * we may not sleep.
  3253. */
  3254. static void tg3_init_rings(struct tg3 *tp)
  3255. {
  3256. u32 i;
  3257. /* Free up all the SKBs. */
  3258. tg3_free_rings(tp);
  3259. /* Zero out all descriptors. */
  3260. memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
  3261. memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
  3262. memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
  3263. memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
  3264. tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
  3265. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) &&
  3266. (tp->dev->mtu > ETH_DATA_LEN))
  3267. tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
  3268. /* Initialize invariants of the rings, we only set this
  3269. * stuff once. This works because the card does not
  3270. * write into the rx buffer posting rings.
  3271. */
  3272. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3273. struct tg3_rx_buffer_desc *rxd;
  3274. rxd = &tp->rx_std[i];
  3275. rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
  3276. << RXD_LEN_SHIFT;
  3277. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
  3278. rxd->opaque = (RXD_OPAQUE_RING_STD |
  3279. (i << RXD_OPAQUE_INDEX_SHIFT));
  3280. }
  3281. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3282. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3283. struct tg3_rx_buffer_desc *rxd;
  3284. rxd = &tp->rx_jumbo[i];
  3285. rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
  3286. << RXD_LEN_SHIFT;
  3287. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
  3288. RXD_FLAG_JUMBO;
  3289. rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
  3290. (i << RXD_OPAQUE_INDEX_SHIFT));
  3291. }
  3292. }
  3293. /* Now allocate fresh SKBs for each rx ring. */
  3294. for (i = 0; i < tp->rx_pending; i++) {
  3295. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
  3296. -1, i) < 0)
  3297. break;
  3298. }
  3299. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3300. for (i = 0; i < tp->rx_jumbo_pending; i++) {
  3301. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
  3302. -1, i) < 0)
  3303. break;
  3304. }
  3305. }
  3306. }
  3307. /*
  3308. * Must not be invoked with interrupt sources disabled and
  3309. * the hardware shutdown down.
  3310. */
  3311. static void tg3_free_consistent(struct tg3 *tp)
  3312. {
  3313. if (tp->rx_std_buffers) {
  3314. kfree(tp->rx_std_buffers);
  3315. tp->rx_std_buffers = NULL;
  3316. }
  3317. if (tp->rx_std) {
  3318. pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3319. tp->rx_std, tp->rx_std_mapping);
  3320. tp->rx_std = NULL;
  3321. }
  3322. if (tp->rx_jumbo) {
  3323. pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3324. tp->rx_jumbo, tp->rx_jumbo_mapping);
  3325. tp->rx_jumbo = NULL;
  3326. }
  3327. if (tp->rx_rcb) {
  3328. pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3329. tp->rx_rcb, tp->rx_rcb_mapping);
  3330. tp->rx_rcb = NULL;
  3331. }
  3332. if (tp->tx_ring) {
  3333. pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3334. tp->tx_ring, tp->tx_desc_mapping);
  3335. tp->tx_ring = NULL;
  3336. }
  3337. if (tp->hw_status) {
  3338. pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
  3339. tp->hw_status, tp->status_mapping);
  3340. tp->hw_status = NULL;
  3341. }
  3342. if (tp->hw_stats) {
  3343. pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
  3344. tp->hw_stats, tp->stats_mapping);
  3345. tp->hw_stats = NULL;
  3346. }
  3347. }
  3348. /*
  3349. * Must not be invoked with interrupt sources disabled and
  3350. * the hardware shutdown down. Can sleep.
  3351. */
  3352. static int tg3_alloc_consistent(struct tg3 *tp)
  3353. {
  3354. tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
  3355. (TG3_RX_RING_SIZE +
  3356. TG3_RX_JUMBO_RING_SIZE)) +
  3357. (sizeof(struct tx_ring_info) *
  3358. TG3_TX_RING_SIZE),
  3359. GFP_KERNEL);
  3360. if (!tp->rx_std_buffers)
  3361. return -ENOMEM;
  3362. memset(tp->rx_std_buffers, 0,
  3363. (sizeof(struct ring_info) *
  3364. (TG3_RX_RING_SIZE +
  3365. TG3_RX_JUMBO_RING_SIZE)) +
  3366. (sizeof(struct tx_ring_info) *
  3367. TG3_TX_RING_SIZE));
  3368. tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
  3369. tp->tx_buffers = (struct tx_ring_info *)
  3370. &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
  3371. tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3372. &tp->rx_std_mapping);
  3373. if (!tp->rx_std)
  3374. goto err_out;
  3375. tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3376. &tp->rx_jumbo_mapping);
  3377. if (!tp->rx_jumbo)
  3378. goto err_out;
  3379. tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3380. &tp->rx_rcb_mapping);
  3381. if (!tp->rx_rcb)
  3382. goto err_out;
  3383. tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3384. &tp->tx_desc_mapping);
  3385. if (!tp->tx_ring)
  3386. goto err_out;
  3387. tp->hw_status = pci_alloc_consistent(tp->pdev,
  3388. TG3_HW_STATUS_SIZE,
  3389. &tp->status_mapping);
  3390. if (!tp->hw_status)
  3391. goto err_out;
  3392. tp->hw_stats = pci_alloc_consistent(tp->pdev,
  3393. sizeof(struct tg3_hw_stats),
  3394. &tp->stats_mapping);
  3395. if (!tp->hw_stats)
  3396. goto err_out;
  3397. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3398. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3399. return 0;
  3400. err_out:
  3401. tg3_free_consistent(tp);
  3402. return -ENOMEM;
  3403. }
  3404. #define MAX_WAIT_CNT 1000
  3405. /* To stop a block, clear the enable bit and poll till it
  3406. * clears. tp->lock is held.
  3407. */
  3408. static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
  3409. {
  3410. unsigned int i;
  3411. u32 val;
  3412. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  3413. switch (ofs) {
  3414. case RCVLSC_MODE:
  3415. case DMAC_MODE:
  3416. case MBFREE_MODE:
  3417. case BUFMGR_MODE:
  3418. case MEMARB_MODE:
  3419. /* We can't enable/disable these bits of the
  3420. * 5705/5750, just say success.
  3421. */
  3422. return 0;
  3423. default:
  3424. break;
  3425. };
  3426. }
  3427. val = tr32(ofs);
  3428. val &= ~enable_bit;
  3429. tw32_f(ofs, val);
  3430. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3431. udelay(100);
  3432. val = tr32(ofs);
  3433. if ((val & enable_bit) == 0)
  3434. break;
  3435. }
  3436. if (i == MAX_WAIT_CNT && !silent) {
  3437. printk(KERN_ERR PFX "tg3_stop_block timed out, "
  3438. "ofs=%lx enable_bit=%x\n",
  3439. ofs, enable_bit);
  3440. return -ENODEV;
  3441. }
  3442. return 0;
  3443. }
  3444. /* tp->lock is held. */
  3445. static int tg3_abort_hw(struct tg3 *tp, int silent)
  3446. {
  3447. int i, err;
  3448. tg3_disable_ints(tp);
  3449. tp->rx_mode &= ~RX_MODE_ENABLE;
  3450. tw32_f(MAC_RX_MODE, tp->rx_mode);
  3451. udelay(10);
  3452. err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
  3453. err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
  3454. err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
  3455. err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
  3456. err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
  3457. err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
  3458. err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
  3459. err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
  3460. err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
  3461. err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
  3462. err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
  3463. err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
  3464. err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
  3465. tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
  3466. tw32_f(MAC_MODE, tp->mac_mode);
  3467. udelay(40);
  3468. tp->tx_mode &= ~TX_MODE_ENABLE;
  3469. tw32_f(MAC_TX_MODE, tp->tx_mode);
  3470. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3471. udelay(100);
  3472. if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
  3473. break;
  3474. }
  3475. if (i >= MAX_WAIT_CNT) {
  3476. printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
  3477. "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
  3478. tp->dev->name, tr32(MAC_TX_MODE));
  3479. err |= -ENODEV;
  3480. }
  3481. err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
  3482. err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
  3483. err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
  3484. tw32(FTQ_RESET, 0xffffffff);
  3485. tw32(FTQ_RESET, 0x00000000);
  3486. err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
  3487. err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
  3488. if (tp->hw_status)
  3489. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3490. if (tp->hw_stats)
  3491. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3492. return err;
  3493. }
  3494. /* tp->lock is held. */
  3495. static int tg3_nvram_lock(struct tg3 *tp)
  3496. {
  3497. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  3498. int i;
  3499. tw32(NVRAM_SWARB, SWARB_REQ_SET1);
  3500. for (i = 0; i < 8000; i++) {
  3501. if (tr32(NVRAM_SWARB) & SWARB_GNT1)
  3502. break;
  3503. udelay(20);
  3504. }
  3505. if (i == 8000)
  3506. return -ENODEV;
  3507. }
  3508. return 0;
  3509. }
  3510. /* tp->lock is held. */
  3511. static void tg3_nvram_unlock(struct tg3 *tp)
  3512. {
  3513. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  3514. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
  3515. }
  3516. /* tp->lock is held. */
  3517. static void tg3_enable_nvram_access(struct tg3 *tp)
  3518. {
  3519. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3520. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3521. u32 nvaccess = tr32(NVRAM_ACCESS);
  3522. tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
  3523. }
  3524. }
  3525. /* tp->lock is held. */
  3526. static void tg3_disable_nvram_access(struct tg3 *tp)
  3527. {
  3528. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3529. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3530. u32 nvaccess = tr32(NVRAM_ACCESS);
  3531. tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
  3532. }
  3533. }
  3534. /* tp->lock is held. */
  3535. static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
  3536. {
  3537. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3538. tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
  3539. NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
  3540. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3541. switch (kind) {
  3542. case RESET_KIND_INIT:
  3543. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3544. DRV_STATE_START);
  3545. break;
  3546. case RESET_KIND_SHUTDOWN:
  3547. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3548. DRV_STATE_UNLOAD);
  3549. break;
  3550. case RESET_KIND_SUSPEND:
  3551. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3552. DRV_STATE_SUSPEND);
  3553. break;
  3554. default:
  3555. break;
  3556. };
  3557. }
  3558. }
  3559. /* tp->lock is held. */
  3560. static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
  3561. {
  3562. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3563. switch (kind) {
  3564. case RESET_KIND_INIT:
  3565. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3566. DRV_STATE_START_DONE);
  3567. break;
  3568. case RESET_KIND_SHUTDOWN:
  3569. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3570. DRV_STATE_UNLOAD_DONE);
  3571. break;
  3572. default:
  3573. break;
  3574. };
  3575. }
  3576. }
  3577. /* tp->lock is held. */
  3578. static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
  3579. {
  3580. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3581. switch (kind) {
  3582. case RESET_KIND_INIT:
  3583. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3584. DRV_STATE_START);
  3585. break;
  3586. case RESET_KIND_SHUTDOWN:
  3587. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3588. DRV_STATE_UNLOAD);
  3589. break;
  3590. case RESET_KIND_SUSPEND:
  3591. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3592. DRV_STATE_SUSPEND);
  3593. break;
  3594. default:
  3595. break;
  3596. };
  3597. }
  3598. }
  3599. static void tg3_stop_fw(struct tg3 *);
  3600. /* tp->lock is held. */
  3601. static int tg3_chip_reset(struct tg3 *tp)
  3602. {
  3603. u32 val;
  3604. void (*write_op)(struct tg3 *, u32, u32);
  3605. int i;
  3606. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3607. tg3_nvram_lock(tp);
  3608. /*
  3609. * We must avoid the readl() that normally takes place.
  3610. * It locks machines, causes machine checks, and other
  3611. * fun things. So, temporarily disable the 5701
  3612. * hardware workaround, while we do the reset.
  3613. */
  3614. write_op = tp->write32;
  3615. if (write_op == tg3_write_flush_reg32)
  3616. tp->write32 = tg3_write32;
  3617. /* do the reset */
  3618. val = GRC_MISC_CFG_CORECLK_RESET;
  3619. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3620. if (tr32(0x7e2c) == 0x60) {
  3621. tw32(0x7e2c, 0x20);
  3622. }
  3623. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3624. tw32(GRC_MISC_CFG, (1 << 29));
  3625. val |= (1 << 29);
  3626. }
  3627. }
  3628. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  3629. val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
  3630. tw32(GRC_MISC_CFG, val);
  3631. /* restore 5701 hardware bug workaround write method */
  3632. tp->write32 = write_op;
  3633. /* Unfortunately, we have to delay before the PCI read back.
  3634. * Some 575X chips even will not respond to a PCI cfg access
  3635. * when the reset command is given to the chip.
  3636. *
  3637. * How do these hardware designers expect things to work
  3638. * properly if the PCI write is posted for a long period
  3639. * of time? It is always necessary to have some method by
  3640. * which a register read back can occur to push the write
  3641. * out which does the reset.
  3642. *
  3643. * For most tg3 variants the trick below was working.
  3644. * Ho hum...
  3645. */
  3646. udelay(120);
  3647. /* Flush PCI posted writes. The normal MMIO registers
  3648. * are inaccessible at this time so this is the only
  3649. * way to make this reliably (actually, this is no longer
  3650. * the case, see above). I tried to use indirect
  3651. * register read/write but this upset some 5701 variants.
  3652. */
  3653. pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
  3654. udelay(120);
  3655. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3656. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
  3657. int i;
  3658. u32 cfg_val;
  3659. /* Wait for link training to complete. */
  3660. for (i = 0; i < 5000; i++)
  3661. udelay(100);
  3662. pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
  3663. pci_write_config_dword(tp->pdev, 0xc4,
  3664. cfg_val | (1 << 15));
  3665. }
  3666. /* Set PCIE max payload size and clear error status. */
  3667. pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
  3668. }
  3669. /* Re-enable indirect register accesses. */
  3670. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  3671. tp->misc_host_ctrl);
  3672. /* Set MAX PCI retry to zero. */
  3673. val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
  3674. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  3675. (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
  3676. val |= PCISTATE_RETRY_SAME_DMA;
  3677. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
  3678. pci_restore_state(tp->pdev);
  3679. /* Make sure PCI-X relaxed ordering bit is clear. */
  3680. pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
  3681. val &= ~PCIX_CAPS_RELAXED_ORDERING;
  3682. pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
  3683. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  3684. u32 val;
  3685. /* Chip reset on 5780 will reset MSI enable bit,
  3686. * so need to restore it.
  3687. */
  3688. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  3689. u16 ctrl;
  3690. pci_read_config_word(tp->pdev,
  3691. tp->msi_cap + PCI_MSI_FLAGS,
  3692. &ctrl);
  3693. pci_write_config_word(tp->pdev,
  3694. tp->msi_cap + PCI_MSI_FLAGS,
  3695. ctrl | PCI_MSI_FLAGS_ENABLE);
  3696. val = tr32(MSGINT_MODE);
  3697. tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
  3698. }
  3699. val = tr32(MEMARB_MODE);
  3700. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  3701. } else
  3702. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  3703. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
  3704. tg3_stop_fw(tp);
  3705. tw32(0x5000, 0x400);
  3706. }
  3707. tw32(GRC_MODE, tp->grc_mode);
  3708. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
  3709. u32 val = tr32(0xc4);
  3710. tw32(0xc4, val | (1 << 15));
  3711. }
  3712. if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
  3713. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  3714. tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
  3715. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
  3716. tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
  3717. tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  3718. }
  3719. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  3720. tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
  3721. tw32_f(MAC_MODE, tp->mac_mode);
  3722. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  3723. tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
  3724. tw32_f(MAC_MODE, tp->mac_mode);
  3725. } else
  3726. tw32_f(MAC_MODE, 0);
  3727. udelay(40);
  3728. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
  3729. /* Wait for firmware initialization to complete. */
  3730. for (i = 0; i < 100000; i++) {
  3731. tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
  3732. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  3733. break;
  3734. udelay(10);
  3735. }
  3736. if (i >= 100000) {
  3737. printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, "
  3738. "firmware will not restart magic=%08x\n",
  3739. tp->dev->name, val);
  3740. return -ENODEV;
  3741. }
  3742. }
  3743. if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  3744. tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3745. u32 val = tr32(0x7c00);
  3746. tw32(0x7c00, val | (1 << 25));
  3747. }
  3748. /* Reprobe ASF enable state. */
  3749. tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
  3750. tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
  3751. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  3752. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  3753. u32 nic_cfg;
  3754. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  3755. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  3756. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  3757. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  3758. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  3759. }
  3760. }
  3761. return 0;
  3762. }
  3763. /* tp->lock is held. */
  3764. static void tg3_stop_fw(struct tg3 *tp)
  3765. {
  3766. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3767. u32 val;
  3768. int i;
  3769. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
  3770. val = tr32(GRC_RX_CPU_EVENT);
  3771. val |= (1 << 14);
  3772. tw32(GRC_RX_CPU_EVENT, val);
  3773. /* Wait for RX cpu to ACK the event. */
  3774. for (i = 0; i < 100; i++) {
  3775. if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
  3776. break;
  3777. udelay(1);
  3778. }
  3779. }
  3780. }
  3781. /* tp->lock is held. */
  3782. static int tg3_halt(struct tg3 *tp, int kind, int silent)
  3783. {
  3784. int err;
  3785. tg3_stop_fw(tp);
  3786. tg3_write_sig_pre_reset(tp, kind);
  3787. tg3_abort_hw(tp, silent);
  3788. err = tg3_chip_reset(tp);
  3789. tg3_write_sig_legacy(tp, kind);
  3790. tg3_write_sig_post_reset(tp, kind);
  3791. if (err)
  3792. return err;
  3793. return 0;
  3794. }
  3795. #define TG3_FW_RELEASE_MAJOR 0x0
  3796. #define TG3_FW_RELASE_MINOR 0x0
  3797. #define TG3_FW_RELEASE_FIX 0x0
  3798. #define TG3_FW_START_ADDR 0x08000000
  3799. #define TG3_FW_TEXT_ADDR 0x08000000
  3800. #define TG3_FW_TEXT_LEN 0x9c0
  3801. #define TG3_FW_RODATA_ADDR 0x080009c0
  3802. #define TG3_FW_RODATA_LEN 0x60
  3803. #define TG3_FW_DATA_ADDR 0x08000a40
  3804. #define TG3_FW_DATA_LEN 0x20
  3805. #define TG3_FW_SBSS_ADDR 0x08000a60
  3806. #define TG3_FW_SBSS_LEN 0xc
  3807. #define TG3_FW_BSS_ADDR 0x08000a70
  3808. #define TG3_FW_BSS_LEN 0x10
  3809. static u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
  3810. 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
  3811. 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
  3812. 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
  3813. 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
  3814. 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
  3815. 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
  3816. 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
  3817. 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
  3818. 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
  3819. 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
  3820. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
  3821. 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
  3822. 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
  3823. 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
  3824. 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
  3825. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  3826. 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
  3827. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
  3828. 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
  3829. 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  3830. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
  3831. 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
  3832. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  3833. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3834. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3835. 0, 0, 0, 0, 0, 0,
  3836. 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
  3837. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3838. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3839. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3840. 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
  3841. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
  3842. 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
  3843. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
  3844. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3845. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3846. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
  3847. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3848. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3849. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3850. 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
  3851. 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
  3852. 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
  3853. 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
  3854. 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
  3855. 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
  3856. 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
  3857. 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
  3858. 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
  3859. 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
  3860. 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
  3861. 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
  3862. 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
  3863. 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
  3864. 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
  3865. 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
  3866. 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
  3867. 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
  3868. 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
  3869. 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
  3870. 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
  3871. 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
  3872. 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
  3873. 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
  3874. 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
  3875. 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
  3876. 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
  3877. 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
  3878. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
  3879. 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
  3880. 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
  3881. 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
  3882. 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
  3883. 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
  3884. 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
  3885. 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
  3886. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
  3887. 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
  3888. 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
  3889. 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
  3890. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
  3891. 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
  3892. 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
  3893. 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
  3894. 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
  3895. 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
  3896. 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
  3897. 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
  3898. 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
  3899. 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
  3900. 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
  3901. };
  3902. static u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
  3903. 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
  3904. 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
  3905. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  3906. 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
  3907. 0x00000000
  3908. };
  3909. #if 0 /* All zeros, don't eat up space with it. */
  3910. u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
  3911. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  3912. 0x00000000, 0x00000000, 0x00000000, 0x00000000
  3913. };
  3914. #endif
  3915. #define RX_CPU_SCRATCH_BASE 0x30000
  3916. #define RX_CPU_SCRATCH_SIZE 0x04000
  3917. #define TX_CPU_SCRATCH_BASE 0x34000
  3918. #define TX_CPU_SCRATCH_SIZE 0x04000
  3919. /* tp->lock is held. */
  3920. static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
  3921. {
  3922. int i;
  3923. if (offset == TX_CPU_BASE &&
  3924. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  3925. BUG();
  3926. if (offset == RX_CPU_BASE) {
  3927. for (i = 0; i < 10000; i++) {
  3928. tw32(offset + CPU_STATE, 0xffffffff);
  3929. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3930. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3931. break;
  3932. }
  3933. tw32(offset + CPU_STATE, 0xffffffff);
  3934. tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
  3935. udelay(10);
  3936. } else {
  3937. for (i = 0; i < 10000; i++) {
  3938. tw32(offset + CPU_STATE, 0xffffffff);
  3939. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3940. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3941. break;
  3942. }
  3943. }
  3944. if (i >= 10000) {
  3945. printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
  3946. "and %s CPU\n",
  3947. tp->dev->name,
  3948. (offset == RX_CPU_BASE ? "RX" : "TX"));
  3949. return -ENODEV;
  3950. }
  3951. return 0;
  3952. }
  3953. struct fw_info {
  3954. unsigned int text_base;
  3955. unsigned int text_len;
  3956. u32 *text_data;
  3957. unsigned int rodata_base;
  3958. unsigned int rodata_len;
  3959. u32 *rodata_data;
  3960. unsigned int data_base;
  3961. unsigned int data_len;
  3962. u32 *data_data;
  3963. };
  3964. /* tp->lock is held. */
  3965. static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
  3966. int cpu_scratch_size, struct fw_info *info)
  3967. {
  3968. int err, i;
  3969. void (*write_op)(struct tg3 *, u32, u32);
  3970. if (cpu_base == TX_CPU_BASE &&
  3971. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  3972. printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
  3973. "TX cpu firmware on %s which is 5705.\n",
  3974. tp->dev->name);
  3975. return -EINVAL;
  3976. }
  3977. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  3978. write_op = tg3_write_mem;
  3979. else
  3980. write_op = tg3_write_indirect_reg32;
  3981. /* It is possible that bootcode is still loading at this point.
  3982. * Get the nvram lock first before halting the cpu.
  3983. */
  3984. tg3_nvram_lock(tp);
  3985. err = tg3_halt_cpu(tp, cpu_base);
  3986. tg3_nvram_unlock(tp);
  3987. if (err)
  3988. goto out;
  3989. for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
  3990. write_op(tp, cpu_scratch_base + i, 0);
  3991. tw32(cpu_base + CPU_STATE, 0xffffffff);
  3992. tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
  3993. for (i = 0; i < (info->text_len / sizeof(u32)); i++)
  3994. write_op(tp, (cpu_scratch_base +
  3995. (info->text_base & 0xffff) +
  3996. (i * sizeof(u32))),
  3997. (info->text_data ?
  3998. info->text_data[i] : 0));
  3999. for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
  4000. write_op(tp, (cpu_scratch_base +
  4001. (info->rodata_base & 0xffff) +
  4002. (i * sizeof(u32))),
  4003. (info->rodata_data ?
  4004. info->rodata_data[i] : 0));
  4005. for (i = 0; i < (info->data_len / sizeof(u32)); i++)
  4006. write_op(tp, (cpu_scratch_base +
  4007. (info->data_base & 0xffff) +
  4008. (i * sizeof(u32))),
  4009. (info->data_data ?
  4010. info->data_data[i] : 0));
  4011. err = 0;
  4012. out:
  4013. return err;
  4014. }
  4015. /* tp->lock is held. */
  4016. static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
  4017. {
  4018. struct fw_info info;
  4019. int err, i;
  4020. info.text_base = TG3_FW_TEXT_ADDR;
  4021. info.text_len = TG3_FW_TEXT_LEN;
  4022. info.text_data = &tg3FwText[0];
  4023. info.rodata_base = TG3_FW_RODATA_ADDR;
  4024. info.rodata_len = TG3_FW_RODATA_LEN;
  4025. info.rodata_data = &tg3FwRodata[0];
  4026. info.data_base = TG3_FW_DATA_ADDR;
  4027. info.data_len = TG3_FW_DATA_LEN;
  4028. info.data_data = NULL;
  4029. err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
  4030. RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
  4031. &info);
  4032. if (err)
  4033. return err;
  4034. err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
  4035. TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
  4036. &info);
  4037. if (err)
  4038. return err;
  4039. /* Now startup only the RX cpu. */
  4040. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4041. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4042. for (i = 0; i < 5; i++) {
  4043. if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
  4044. break;
  4045. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4046. tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
  4047. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4048. udelay(1000);
  4049. }
  4050. if (i >= 5) {
  4051. printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
  4052. "to set RX CPU PC, is %08x should be %08x\n",
  4053. tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
  4054. TG3_FW_TEXT_ADDR);
  4055. return -ENODEV;
  4056. }
  4057. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4058. tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
  4059. return 0;
  4060. }
  4061. #if TG3_TSO_SUPPORT != 0
  4062. #define TG3_TSO_FW_RELEASE_MAJOR 0x1
  4063. #define TG3_TSO_FW_RELASE_MINOR 0x6
  4064. #define TG3_TSO_FW_RELEASE_FIX 0x0
  4065. #define TG3_TSO_FW_START_ADDR 0x08000000
  4066. #define TG3_TSO_FW_TEXT_ADDR 0x08000000
  4067. #define TG3_TSO_FW_TEXT_LEN 0x1aa0
  4068. #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
  4069. #define TG3_TSO_FW_RODATA_LEN 0x60
  4070. #define TG3_TSO_FW_DATA_ADDR 0x08001b20
  4071. #define TG3_TSO_FW_DATA_LEN 0x30
  4072. #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
  4073. #define TG3_TSO_FW_SBSS_LEN 0x2c
  4074. #define TG3_TSO_FW_BSS_ADDR 0x08001b80
  4075. #define TG3_TSO_FW_BSS_LEN 0x894
  4076. static u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
  4077. 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
  4078. 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
  4079. 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4080. 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
  4081. 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
  4082. 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
  4083. 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
  4084. 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
  4085. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
  4086. 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
  4087. 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
  4088. 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
  4089. 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
  4090. 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
  4091. 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
  4092. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
  4093. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
  4094. 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
  4095. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4096. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
  4097. 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
  4098. 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
  4099. 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
  4100. 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
  4101. 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
  4102. 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
  4103. 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
  4104. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
  4105. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
  4106. 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4107. 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
  4108. 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
  4109. 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
  4110. 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
  4111. 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
  4112. 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
  4113. 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
  4114. 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
  4115. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4116. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
  4117. 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
  4118. 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
  4119. 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
  4120. 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
  4121. 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
  4122. 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
  4123. 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
  4124. 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4125. 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
  4126. 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4127. 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
  4128. 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
  4129. 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
  4130. 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
  4131. 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
  4132. 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
  4133. 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
  4134. 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
  4135. 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
  4136. 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
  4137. 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
  4138. 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
  4139. 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
  4140. 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
  4141. 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
  4142. 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
  4143. 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
  4144. 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
  4145. 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
  4146. 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
  4147. 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
  4148. 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
  4149. 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
  4150. 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
  4151. 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
  4152. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
  4153. 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
  4154. 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
  4155. 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
  4156. 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
  4157. 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
  4158. 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
  4159. 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
  4160. 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
  4161. 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
  4162. 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
  4163. 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
  4164. 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4165. 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
  4166. 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
  4167. 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
  4168. 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
  4169. 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
  4170. 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
  4171. 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
  4172. 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
  4173. 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
  4174. 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
  4175. 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
  4176. 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
  4177. 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
  4178. 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
  4179. 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
  4180. 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
  4181. 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
  4182. 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
  4183. 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
  4184. 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
  4185. 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
  4186. 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
  4187. 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
  4188. 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
  4189. 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
  4190. 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
  4191. 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
  4192. 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
  4193. 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
  4194. 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
  4195. 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
  4196. 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
  4197. 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
  4198. 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
  4199. 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
  4200. 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
  4201. 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
  4202. 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
  4203. 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
  4204. 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
  4205. 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
  4206. 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
  4207. 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
  4208. 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
  4209. 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
  4210. 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4211. 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
  4212. 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
  4213. 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
  4214. 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
  4215. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4216. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
  4217. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
  4218. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
  4219. 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
  4220. 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
  4221. 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
  4222. 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
  4223. 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
  4224. 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
  4225. 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
  4226. 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
  4227. 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
  4228. 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
  4229. 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
  4230. 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
  4231. 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
  4232. 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
  4233. 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
  4234. 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
  4235. 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
  4236. 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
  4237. 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
  4238. 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
  4239. 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
  4240. 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
  4241. 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
  4242. 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
  4243. 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
  4244. 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
  4245. 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
  4246. 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4247. 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
  4248. 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
  4249. 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
  4250. 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
  4251. 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
  4252. 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
  4253. 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
  4254. 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
  4255. 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
  4256. 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
  4257. 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
  4258. 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
  4259. 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
  4260. 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
  4261. 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
  4262. 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
  4263. 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
  4264. 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
  4265. 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
  4266. 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
  4267. 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
  4268. 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
  4269. 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
  4270. 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
  4271. 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
  4272. 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4273. 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
  4274. 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
  4275. 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
  4276. 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
  4277. 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
  4278. 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
  4279. 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
  4280. 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
  4281. 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
  4282. 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
  4283. 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
  4284. 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
  4285. 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
  4286. 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
  4287. 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
  4288. 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
  4289. 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
  4290. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
  4291. 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
  4292. 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
  4293. 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
  4294. 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
  4295. 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
  4296. 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
  4297. 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4298. 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
  4299. 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
  4300. 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
  4301. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
  4302. 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
  4303. 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
  4304. 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
  4305. 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
  4306. 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
  4307. 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
  4308. 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
  4309. 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
  4310. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
  4311. 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
  4312. 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
  4313. 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
  4314. 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4315. 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
  4316. 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
  4317. 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
  4318. 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
  4319. 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
  4320. 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
  4321. 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
  4322. 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
  4323. 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
  4324. 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
  4325. 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
  4326. 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
  4327. 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
  4328. 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
  4329. 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
  4330. 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
  4331. 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
  4332. 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
  4333. 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
  4334. 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
  4335. 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
  4336. 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
  4337. 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
  4338. 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
  4339. 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
  4340. 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
  4341. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4342. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
  4343. 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
  4344. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
  4345. 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
  4346. 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
  4347. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
  4348. 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
  4349. 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
  4350. 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
  4351. 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
  4352. 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
  4353. 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
  4354. 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
  4355. 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
  4356. 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
  4357. 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
  4358. 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
  4359. 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
  4360. 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
  4361. };
  4362. static u32 tg3TsoFwRodata[] = {
  4363. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4364. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
  4365. 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
  4366. 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
  4367. 0x00000000,
  4368. };
  4369. static u32 tg3TsoFwData[] = {
  4370. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
  4371. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  4372. 0x00000000,
  4373. };
  4374. /* 5705 needs a special version of the TSO firmware. */
  4375. #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
  4376. #define TG3_TSO5_FW_RELASE_MINOR 0x2
  4377. #define TG3_TSO5_FW_RELEASE_FIX 0x0
  4378. #define TG3_TSO5_FW_START_ADDR 0x00010000
  4379. #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
  4380. #define TG3_TSO5_FW_TEXT_LEN 0xe90
  4381. #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
  4382. #define TG3_TSO5_FW_RODATA_LEN 0x50
  4383. #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
  4384. #define TG3_TSO5_FW_DATA_LEN 0x20
  4385. #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
  4386. #define TG3_TSO5_FW_SBSS_LEN 0x28
  4387. #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
  4388. #define TG3_TSO5_FW_BSS_LEN 0x88
  4389. static u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
  4390. 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
  4391. 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
  4392. 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4393. 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
  4394. 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
  4395. 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
  4396. 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4397. 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
  4398. 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
  4399. 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
  4400. 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
  4401. 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
  4402. 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
  4403. 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
  4404. 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
  4405. 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
  4406. 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
  4407. 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
  4408. 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
  4409. 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
  4410. 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
  4411. 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
  4412. 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
  4413. 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
  4414. 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
  4415. 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
  4416. 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
  4417. 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
  4418. 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
  4419. 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
  4420. 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4421. 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
  4422. 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
  4423. 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
  4424. 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
  4425. 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
  4426. 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
  4427. 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
  4428. 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
  4429. 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
  4430. 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
  4431. 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
  4432. 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
  4433. 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
  4434. 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
  4435. 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
  4436. 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
  4437. 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
  4438. 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
  4439. 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
  4440. 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
  4441. 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
  4442. 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
  4443. 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
  4444. 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
  4445. 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
  4446. 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
  4447. 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
  4448. 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
  4449. 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
  4450. 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
  4451. 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
  4452. 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
  4453. 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
  4454. 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
  4455. 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
  4456. 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4457. 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
  4458. 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
  4459. 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
  4460. 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
  4461. 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
  4462. 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
  4463. 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
  4464. 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
  4465. 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
  4466. 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
  4467. 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
  4468. 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
  4469. 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
  4470. 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
  4471. 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
  4472. 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
  4473. 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
  4474. 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
  4475. 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
  4476. 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
  4477. 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
  4478. 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
  4479. 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
  4480. 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
  4481. 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
  4482. 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
  4483. 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
  4484. 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
  4485. 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
  4486. 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
  4487. 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
  4488. 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
  4489. 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
  4490. 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
  4491. 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
  4492. 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
  4493. 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
  4494. 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
  4495. 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
  4496. 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4497. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4498. 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
  4499. 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
  4500. 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
  4501. 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
  4502. 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
  4503. 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
  4504. 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
  4505. 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
  4506. 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
  4507. 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4508. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4509. 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
  4510. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
  4511. 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
  4512. 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
  4513. 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4514. 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
  4515. 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
  4516. 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
  4517. 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
  4518. 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
  4519. 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
  4520. 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
  4521. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
  4522. 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
  4523. 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
  4524. 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
  4525. 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
  4526. 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
  4527. 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
  4528. 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
  4529. 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
  4530. 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
  4531. 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
  4532. 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
  4533. 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
  4534. 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
  4535. 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
  4536. 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
  4537. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  4538. 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
  4539. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
  4540. 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
  4541. 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  4542. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
  4543. 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
  4544. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  4545. 0x00000000, 0x00000000, 0x00000000,
  4546. };
  4547. static u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
  4548. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4549. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
  4550. 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  4551. 0x00000000, 0x00000000, 0x00000000,
  4552. };
  4553. static u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
  4554. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
  4555. 0x00000000, 0x00000000, 0x00000000,
  4556. };
  4557. /* tp->lock is held. */
  4558. static int tg3_load_tso_firmware(struct tg3 *tp)
  4559. {
  4560. struct fw_info info;
  4561. unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
  4562. int err, i;
  4563. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4564. return 0;
  4565. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4566. info.text_base = TG3_TSO5_FW_TEXT_ADDR;
  4567. info.text_len = TG3_TSO5_FW_TEXT_LEN;
  4568. info.text_data = &tg3Tso5FwText[0];
  4569. info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
  4570. info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
  4571. info.rodata_data = &tg3Tso5FwRodata[0];
  4572. info.data_base = TG3_TSO5_FW_DATA_ADDR;
  4573. info.data_len = TG3_TSO5_FW_DATA_LEN;
  4574. info.data_data = &tg3Tso5FwData[0];
  4575. cpu_base = RX_CPU_BASE;
  4576. cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
  4577. cpu_scratch_size = (info.text_len +
  4578. info.rodata_len +
  4579. info.data_len +
  4580. TG3_TSO5_FW_SBSS_LEN +
  4581. TG3_TSO5_FW_BSS_LEN);
  4582. } else {
  4583. info.text_base = TG3_TSO_FW_TEXT_ADDR;
  4584. info.text_len = TG3_TSO_FW_TEXT_LEN;
  4585. info.text_data = &tg3TsoFwText[0];
  4586. info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
  4587. info.rodata_len = TG3_TSO_FW_RODATA_LEN;
  4588. info.rodata_data = &tg3TsoFwRodata[0];
  4589. info.data_base = TG3_TSO_FW_DATA_ADDR;
  4590. info.data_len = TG3_TSO_FW_DATA_LEN;
  4591. info.data_data = &tg3TsoFwData[0];
  4592. cpu_base = TX_CPU_BASE;
  4593. cpu_scratch_base = TX_CPU_SCRATCH_BASE;
  4594. cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
  4595. }
  4596. err = tg3_load_firmware_cpu(tp, cpu_base,
  4597. cpu_scratch_base, cpu_scratch_size,
  4598. &info);
  4599. if (err)
  4600. return err;
  4601. /* Now startup the cpu. */
  4602. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4603. tw32_f(cpu_base + CPU_PC, info.text_base);
  4604. for (i = 0; i < 5; i++) {
  4605. if (tr32(cpu_base + CPU_PC) == info.text_base)
  4606. break;
  4607. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4608. tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
  4609. tw32_f(cpu_base + CPU_PC, info.text_base);
  4610. udelay(1000);
  4611. }
  4612. if (i >= 5) {
  4613. printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
  4614. "to set CPU PC, is %08x should be %08x\n",
  4615. tp->dev->name, tr32(cpu_base + CPU_PC),
  4616. info.text_base);
  4617. return -ENODEV;
  4618. }
  4619. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4620. tw32_f(cpu_base + CPU_MODE, 0x00000000);
  4621. return 0;
  4622. }
  4623. #endif /* TG3_TSO_SUPPORT != 0 */
  4624. /* tp->lock is held. */
  4625. static void __tg3_set_mac_addr(struct tg3 *tp)
  4626. {
  4627. u32 addr_high, addr_low;
  4628. int i;
  4629. addr_high = ((tp->dev->dev_addr[0] << 8) |
  4630. tp->dev->dev_addr[1]);
  4631. addr_low = ((tp->dev->dev_addr[2] << 24) |
  4632. (tp->dev->dev_addr[3] << 16) |
  4633. (tp->dev->dev_addr[4] << 8) |
  4634. (tp->dev->dev_addr[5] << 0));
  4635. for (i = 0; i < 4; i++) {
  4636. tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
  4637. tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
  4638. }
  4639. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  4640. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  4641. for (i = 0; i < 12; i++) {
  4642. tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
  4643. tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
  4644. }
  4645. }
  4646. addr_high = (tp->dev->dev_addr[0] +
  4647. tp->dev->dev_addr[1] +
  4648. tp->dev->dev_addr[2] +
  4649. tp->dev->dev_addr[3] +
  4650. tp->dev->dev_addr[4] +
  4651. tp->dev->dev_addr[5]) &
  4652. TX_BACKOFF_SEED_MASK;
  4653. tw32(MAC_TX_BACKOFF_SEED, addr_high);
  4654. }
  4655. static int tg3_set_mac_addr(struct net_device *dev, void *p)
  4656. {
  4657. struct tg3 *tp = netdev_priv(dev);
  4658. struct sockaddr *addr = p;
  4659. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  4660. spin_lock_bh(&tp->lock);
  4661. __tg3_set_mac_addr(tp);
  4662. spin_unlock_bh(&tp->lock);
  4663. return 0;
  4664. }
  4665. /* tp->lock is held. */
  4666. static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
  4667. dma_addr_t mapping, u32 maxlen_flags,
  4668. u32 nic_addr)
  4669. {
  4670. tg3_write_mem(tp,
  4671. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
  4672. ((u64) mapping >> 32));
  4673. tg3_write_mem(tp,
  4674. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
  4675. ((u64) mapping & 0xffffffff));
  4676. tg3_write_mem(tp,
  4677. (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
  4678. maxlen_flags);
  4679. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  4680. tg3_write_mem(tp,
  4681. (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
  4682. nic_addr);
  4683. }
  4684. static void __tg3_set_rx_mode(struct net_device *);
  4685. static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
  4686. {
  4687. tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
  4688. tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
  4689. tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
  4690. tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
  4691. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4692. tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
  4693. tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
  4694. }
  4695. tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
  4696. tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
  4697. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4698. u32 val = ec->stats_block_coalesce_usecs;
  4699. if (!netif_carrier_ok(tp->dev))
  4700. val = 0;
  4701. tw32(HOSTCC_STAT_COAL_TICKS, val);
  4702. }
  4703. }
  4704. /* tp->lock is held. */
  4705. static int tg3_reset_hw(struct tg3 *tp)
  4706. {
  4707. u32 val, rdmac_mode;
  4708. int i, err, limit;
  4709. tg3_disable_ints(tp);
  4710. tg3_stop_fw(tp);
  4711. tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
  4712. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
  4713. tg3_abort_hw(tp, 1);
  4714. }
  4715. err = tg3_chip_reset(tp);
  4716. if (err)
  4717. return err;
  4718. tg3_write_sig_legacy(tp, RESET_KIND_INIT);
  4719. /* This works around an issue with Athlon chipsets on
  4720. * B3 tigon3 silicon. This bit has no effect on any
  4721. * other revision. But do not set this on PCI Express
  4722. * chips.
  4723. */
  4724. if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  4725. tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
  4726. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  4727. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  4728. (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  4729. val = tr32(TG3PCI_PCISTATE);
  4730. val |= PCISTATE_RETRY_SAME_DMA;
  4731. tw32(TG3PCI_PCISTATE, val);
  4732. }
  4733. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
  4734. /* Enable some hw fixes. */
  4735. val = tr32(TG3PCI_MSI_DATA);
  4736. val |= (1 << 26) | (1 << 28) | (1 << 29);
  4737. tw32(TG3PCI_MSI_DATA, val);
  4738. }
  4739. /* Descriptor ring init may make accesses to the
  4740. * NIC SRAM area to setup the TX descriptors, so we
  4741. * can only do this after the hardware has been
  4742. * successfully reset.
  4743. */
  4744. tg3_init_rings(tp);
  4745. /* This value is determined during the probe time DMA
  4746. * engine test, tg3_test_dma.
  4747. */
  4748. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  4749. tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
  4750. GRC_MODE_4X_NIC_SEND_RINGS |
  4751. GRC_MODE_NO_TX_PHDR_CSUM |
  4752. GRC_MODE_NO_RX_PHDR_CSUM);
  4753. tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
  4754. if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
  4755. tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
  4756. if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
  4757. tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
  4758. tw32(GRC_MODE,
  4759. tp->grc_mode |
  4760. (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
  4761. /* Setup the timer prescalar register. Clock is always 66Mhz. */
  4762. val = tr32(GRC_MISC_CFG);
  4763. val &= ~0xff;
  4764. val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
  4765. tw32(GRC_MISC_CFG, val);
  4766. /* Initialize MBUF/DESC pool. */
  4767. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  4768. /* Do nothing. */
  4769. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
  4770. tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
  4771. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  4772. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
  4773. else
  4774. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
  4775. tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
  4776. tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
  4777. }
  4778. #if TG3_TSO_SUPPORT != 0
  4779. else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  4780. int fw_len;
  4781. fw_len = (TG3_TSO5_FW_TEXT_LEN +
  4782. TG3_TSO5_FW_RODATA_LEN +
  4783. TG3_TSO5_FW_DATA_LEN +
  4784. TG3_TSO5_FW_SBSS_LEN +
  4785. TG3_TSO5_FW_BSS_LEN);
  4786. fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
  4787. tw32(BUFMGR_MB_POOL_ADDR,
  4788. NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
  4789. tw32(BUFMGR_MB_POOL_SIZE,
  4790. NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
  4791. }
  4792. #endif
  4793. if (tp->dev->mtu <= ETH_DATA_LEN) {
  4794. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4795. tp->bufmgr_config.mbuf_read_dma_low_water);
  4796. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4797. tp->bufmgr_config.mbuf_mac_rx_low_water);
  4798. tw32(BUFMGR_MB_HIGH_WATER,
  4799. tp->bufmgr_config.mbuf_high_water);
  4800. } else {
  4801. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4802. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
  4803. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4804. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
  4805. tw32(BUFMGR_MB_HIGH_WATER,
  4806. tp->bufmgr_config.mbuf_high_water_jumbo);
  4807. }
  4808. tw32(BUFMGR_DMA_LOW_WATER,
  4809. tp->bufmgr_config.dma_low_water);
  4810. tw32(BUFMGR_DMA_HIGH_WATER,
  4811. tp->bufmgr_config.dma_high_water);
  4812. tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
  4813. for (i = 0; i < 2000; i++) {
  4814. if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
  4815. break;
  4816. udelay(10);
  4817. }
  4818. if (i >= 2000) {
  4819. printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
  4820. tp->dev->name);
  4821. return -ENODEV;
  4822. }
  4823. /* Setup replenish threshold. */
  4824. tw32(RCVBDI_STD_THRESH, tp->rx_pending / 8);
  4825. /* Initialize TG3_BDINFO's at:
  4826. * RCVDBDI_STD_BD: standard eth size rx ring
  4827. * RCVDBDI_JUMBO_BD: jumbo frame rx ring
  4828. * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
  4829. *
  4830. * like so:
  4831. * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
  4832. * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
  4833. * ring attribute flags
  4834. * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
  4835. *
  4836. * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
  4837. * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
  4838. *
  4839. * The size of each ring is fixed in the firmware, but the location is
  4840. * configurable.
  4841. */
  4842. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4843. ((u64) tp->rx_std_mapping >> 32));
  4844. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4845. ((u64) tp->rx_std_mapping & 0xffffffff));
  4846. tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
  4847. NIC_SRAM_RX_BUFFER_DESC);
  4848. /* Don't even try to program the JUMBO/MINI buffer descriptor
  4849. * configs on 5705.
  4850. */
  4851. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  4852. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4853. RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
  4854. } else {
  4855. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4856. RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4857. tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4858. BDINFO_FLAGS_DISABLED);
  4859. /* Setup replenish threshold. */
  4860. tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
  4861. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  4862. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4863. ((u64) tp->rx_jumbo_mapping >> 32));
  4864. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4865. ((u64) tp->rx_jumbo_mapping & 0xffffffff));
  4866. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4867. RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4868. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
  4869. NIC_SRAM_RX_JUMBO_BUFFER_DESC);
  4870. } else {
  4871. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4872. BDINFO_FLAGS_DISABLED);
  4873. }
  4874. }
  4875. /* There is only one send ring on 5705/5750, no need to explicitly
  4876. * disable the others.
  4877. */
  4878. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4879. /* Clear out send RCB ring in SRAM. */
  4880. for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
  4881. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4882. BDINFO_FLAGS_DISABLED);
  4883. }
  4884. tp->tx_prod = 0;
  4885. tp->tx_cons = 0;
  4886. tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4887. tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4888. tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
  4889. tp->tx_desc_mapping,
  4890. (TG3_TX_RING_SIZE <<
  4891. BDINFO_FLAGS_MAXLEN_SHIFT),
  4892. NIC_SRAM_TX_BUFFER_DESC);
  4893. /* There is only one receive return ring on 5705/5750, no need
  4894. * to explicitly disable the others.
  4895. */
  4896. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4897. for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
  4898. i += TG3_BDINFO_SIZE) {
  4899. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4900. BDINFO_FLAGS_DISABLED);
  4901. }
  4902. }
  4903. tp->rx_rcb_ptr = 0;
  4904. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4905. tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
  4906. tp->rx_rcb_mapping,
  4907. (TG3_RX_RCB_RING_SIZE(tp) <<
  4908. BDINFO_FLAGS_MAXLEN_SHIFT),
  4909. 0);
  4910. tp->rx_std_ptr = tp->rx_pending;
  4911. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  4912. tp->rx_std_ptr);
  4913. tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
  4914. tp->rx_jumbo_pending : 0;
  4915. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  4916. tp->rx_jumbo_ptr);
  4917. /* Initialize MAC address and backoff seed. */
  4918. __tg3_set_mac_addr(tp);
  4919. /* MTU + ethernet header + FCS + optional VLAN tag */
  4920. tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
  4921. /* The slot time is changed by tg3_setup_phy if we
  4922. * run at gigabit with half duplex.
  4923. */
  4924. tw32(MAC_TX_LENGTHS,
  4925. (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  4926. (6 << TX_LENGTHS_IPG_SHIFT) |
  4927. (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
  4928. /* Receive rules. */
  4929. tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
  4930. tw32(RCVLPC_CONFIG, 0x0181);
  4931. /* Calculate RDMAC_MODE setting early, we need it to determine
  4932. * the RCVLPC_STATE_ENABLE mask.
  4933. */
  4934. rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
  4935. RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
  4936. RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
  4937. RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
  4938. RDMAC_MODE_LNGREAD_ENAB);
  4939. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  4940. rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
  4941. /* If statement applies to 5705 and 5750 PCI devices only */
  4942. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  4943. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  4944. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
  4945. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
  4946. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  4947. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  4948. rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
  4949. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  4950. !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
  4951. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4952. }
  4953. }
  4954. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  4955. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4956. #if TG3_TSO_SUPPORT != 0
  4957. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4958. rdmac_mode |= (1 << 27);
  4959. #endif
  4960. /* Receive/send statistics. */
  4961. if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
  4962. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  4963. val = tr32(RCVLPC_STATS_ENABLE);
  4964. val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
  4965. tw32(RCVLPC_STATS_ENABLE, val);
  4966. } else {
  4967. tw32(RCVLPC_STATS_ENABLE, 0xffffff);
  4968. }
  4969. tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
  4970. tw32(SNDDATAI_STATSENAB, 0xffffff);
  4971. tw32(SNDDATAI_STATSCTRL,
  4972. (SNDDATAI_SCTRL_ENABLE |
  4973. SNDDATAI_SCTRL_FASTUPD));
  4974. /* Setup host coalescing engine. */
  4975. tw32(HOSTCC_MODE, 0);
  4976. for (i = 0; i < 2000; i++) {
  4977. if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
  4978. break;
  4979. udelay(10);
  4980. }
  4981. __tg3_set_coalesce(tp, &tp->coal);
  4982. /* set status block DMA address */
  4983. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4984. ((u64) tp->status_mapping >> 32));
  4985. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  4986. ((u64) tp->status_mapping & 0xffffffff));
  4987. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4988. /* Status/statistics block address. See tg3_timer,
  4989. * the tg3_periodic_fetch_stats call there, and
  4990. * tg3_get_stats to see how this works for 5705/5750 chips.
  4991. */
  4992. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4993. ((u64) tp->stats_mapping >> 32));
  4994. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  4995. ((u64) tp->stats_mapping & 0xffffffff));
  4996. tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
  4997. tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
  4998. }
  4999. tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
  5000. tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
  5001. tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  5002. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5003. tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
  5004. /* Clear statistics/status block in chip, and status block in ram. */
  5005. for (i = NIC_SRAM_STATS_BLK;
  5006. i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
  5007. i += sizeof(u32)) {
  5008. tg3_write_mem(tp, i, 0);
  5009. udelay(40);
  5010. }
  5011. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  5012. tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
  5013. MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
  5014. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
  5015. udelay(40);
  5016. /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
  5017. * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
  5018. * register to preserve the GPIO settings for LOMs. The GPIOs,
  5019. * whether used as inputs or outputs, are set by boot code after
  5020. * reset.
  5021. */
  5022. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  5023. u32 gpio_mask;
  5024. gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
  5025. GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
  5026. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  5027. gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
  5028. GRC_LCLCTRL_GPIO_OUTPUT3;
  5029. tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
  5030. /* GPIO1 must be driven high for eeprom write protect */
  5031. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  5032. GRC_LCLCTRL_GPIO_OUTPUT1);
  5033. }
  5034. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  5035. udelay(100);
  5036. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
  5037. tp->last_tag = 0;
  5038. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5039. tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
  5040. udelay(40);
  5041. }
  5042. val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
  5043. WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
  5044. WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
  5045. WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
  5046. WDMAC_MODE_LNGREAD_ENAB);
  5047. /* If statement applies to 5705 and 5750 PCI devices only */
  5048. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  5049. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  5050. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  5051. if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
  5052. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  5053. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  5054. /* nothing */
  5055. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  5056. !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  5057. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  5058. val |= WDMAC_MODE_RX_ACCEL;
  5059. }
  5060. }
  5061. tw32_f(WDMAC_MODE, val);
  5062. udelay(40);
  5063. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
  5064. val = tr32(TG3PCI_X_CAPS);
  5065. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
  5066. val &= ~PCIX_CAPS_BURST_MASK;
  5067. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5068. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  5069. val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
  5070. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5071. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  5072. val |= (tp->split_mode_max_reqs <<
  5073. PCIX_CAPS_SPLIT_SHIFT);
  5074. }
  5075. tw32(TG3PCI_X_CAPS, val);
  5076. }
  5077. tw32_f(RDMAC_MODE, rdmac_mode);
  5078. udelay(40);
  5079. tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
  5080. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5081. tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
  5082. tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  5083. tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
  5084. tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
  5085. tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
  5086. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  5087. #if TG3_TSO_SUPPORT != 0
  5088. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  5089. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
  5090. #endif
  5091. tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
  5092. tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
  5093. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
  5094. err = tg3_load_5701_a0_firmware_fix(tp);
  5095. if (err)
  5096. return err;
  5097. }
  5098. #if TG3_TSO_SUPPORT != 0
  5099. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  5100. err = tg3_load_tso_firmware(tp);
  5101. if (err)
  5102. return err;
  5103. }
  5104. #endif
  5105. tp->tx_mode = TX_MODE_ENABLE;
  5106. tw32_f(MAC_TX_MODE, tp->tx_mode);
  5107. udelay(100);
  5108. tp->rx_mode = RX_MODE_ENABLE;
  5109. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5110. udelay(10);
  5111. if (tp->link_config.phy_is_low_power) {
  5112. tp->link_config.phy_is_low_power = 0;
  5113. tp->link_config.speed = tp->link_config.orig_speed;
  5114. tp->link_config.duplex = tp->link_config.orig_duplex;
  5115. tp->link_config.autoneg = tp->link_config.orig_autoneg;
  5116. }
  5117. tp->mi_mode = MAC_MI_MODE_BASE;
  5118. tw32_f(MAC_MI_MODE, tp->mi_mode);
  5119. udelay(80);
  5120. tw32(MAC_LED_CTRL, tp->led_ctrl);
  5121. tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
  5122. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5123. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  5124. udelay(10);
  5125. }
  5126. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5127. udelay(10);
  5128. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5129. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
  5130. !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
  5131. /* Set drive transmission level to 1.2V */
  5132. /* only if the signal pre-emphasis bit is not set */
  5133. val = tr32(MAC_SERDES_CFG);
  5134. val &= 0xfffff000;
  5135. val |= 0x880;
  5136. tw32(MAC_SERDES_CFG, val);
  5137. }
  5138. if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
  5139. tw32(MAC_SERDES_CFG, 0x616000);
  5140. }
  5141. /* Prevent chip from dropping frames when flow control
  5142. * is enabled.
  5143. */
  5144. tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
  5145. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  5146. (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  5147. /* Use hardware link auto-negotiation */
  5148. tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
  5149. }
  5150. err = tg3_setup_phy(tp, 1);
  5151. if (err)
  5152. return err;
  5153. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  5154. u32 tmp;
  5155. /* Clear CRC stats. */
  5156. if (!tg3_readphy(tp, 0x1e, &tmp)) {
  5157. tg3_writephy(tp, 0x1e, tmp | 0x8000);
  5158. tg3_readphy(tp, 0x14, &tmp);
  5159. }
  5160. }
  5161. __tg3_set_rx_mode(tp->dev);
  5162. /* Initialize receive rules. */
  5163. tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
  5164. tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5165. tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
  5166. tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5167. if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  5168. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780))
  5169. limit = 8;
  5170. else
  5171. limit = 16;
  5172. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
  5173. limit -= 4;
  5174. switch (limit) {
  5175. case 16:
  5176. tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
  5177. case 15:
  5178. tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
  5179. case 14:
  5180. tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
  5181. case 13:
  5182. tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
  5183. case 12:
  5184. tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
  5185. case 11:
  5186. tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
  5187. case 10:
  5188. tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
  5189. case 9:
  5190. tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
  5191. case 8:
  5192. tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
  5193. case 7:
  5194. tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
  5195. case 6:
  5196. tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
  5197. case 5:
  5198. tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
  5199. case 4:
  5200. /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
  5201. case 3:
  5202. /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
  5203. case 2:
  5204. case 1:
  5205. default:
  5206. break;
  5207. };
  5208. tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
  5209. return 0;
  5210. }
  5211. /* Called at device open time to get the chip ready for
  5212. * packet processing. Invoked with tp->lock held.
  5213. */
  5214. static int tg3_init_hw(struct tg3 *tp)
  5215. {
  5216. int err;
  5217. /* Force the chip into D0. */
  5218. err = tg3_set_power_state(tp, 0);
  5219. if (err)
  5220. goto out;
  5221. tg3_switch_clocks(tp);
  5222. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  5223. err = tg3_reset_hw(tp);
  5224. out:
  5225. return err;
  5226. }
  5227. #define TG3_STAT_ADD32(PSTAT, REG) \
  5228. do { u32 __val = tr32(REG); \
  5229. (PSTAT)->low += __val; \
  5230. if ((PSTAT)->low < __val) \
  5231. (PSTAT)->high += 1; \
  5232. } while (0)
  5233. static void tg3_periodic_fetch_stats(struct tg3 *tp)
  5234. {
  5235. struct tg3_hw_stats *sp = tp->hw_stats;
  5236. if (!netif_carrier_ok(tp->dev))
  5237. return;
  5238. TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
  5239. TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
  5240. TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
  5241. TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
  5242. TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
  5243. TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
  5244. TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
  5245. TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
  5246. TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
  5247. TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
  5248. TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
  5249. TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
  5250. TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
  5251. TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
  5252. TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
  5253. TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
  5254. TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
  5255. TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
  5256. TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
  5257. TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
  5258. TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
  5259. TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
  5260. TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
  5261. TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
  5262. TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
  5263. TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
  5264. TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
  5265. }
  5266. static void tg3_timer(unsigned long __opaque)
  5267. {
  5268. struct tg3 *tp = (struct tg3 *) __opaque;
  5269. spin_lock(&tp->lock);
  5270. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5271. /* All of this garbage is because when using non-tagged
  5272. * IRQ status the mailbox/status_block protocol the chip
  5273. * uses with the cpu is race prone.
  5274. */
  5275. if (tp->hw_status->status & SD_STATUS_UPDATED) {
  5276. tw32(GRC_LOCAL_CTRL,
  5277. tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  5278. } else {
  5279. tw32(HOSTCC_MODE, tp->coalesce_mode |
  5280. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  5281. }
  5282. if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  5283. tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
  5284. spin_unlock(&tp->lock);
  5285. schedule_work(&tp->reset_task);
  5286. return;
  5287. }
  5288. }
  5289. /* This part only runs once per second. */
  5290. if (!--tp->timer_counter) {
  5291. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  5292. tg3_periodic_fetch_stats(tp);
  5293. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  5294. u32 mac_stat;
  5295. int phy_event;
  5296. mac_stat = tr32(MAC_STATUS);
  5297. phy_event = 0;
  5298. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
  5299. if (mac_stat & MAC_STATUS_MI_INTERRUPT)
  5300. phy_event = 1;
  5301. } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
  5302. phy_event = 1;
  5303. if (phy_event)
  5304. tg3_setup_phy(tp, 0);
  5305. } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
  5306. u32 mac_stat = tr32(MAC_STATUS);
  5307. int need_setup = 0;
  5308. if (netif_carrier_ok(tp->dev) &&
  5309. (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
  5310. need_setup = 1;
  5311. }
  5312. if (! netif_carrier_ok(tp->dev) &&
  5313. (mac_stat & (MAC_STATUS_PCS_SYNCED |
  5314. MAC_STATUS_SIGNAL_DET))) {
  5315. need_setup = 1;
  5316. }
  5317. if (need_setup) {
  5318. tw32_f(MAC_MODE,
  5319. (tp->mac_mode &
  5320. ~MAC_MODE_PORT_MODE_MASK));
  5321. udelay(40);
  5322. tw32_f(MAC_MODE, tp->mac_mode);
  5323. udelay(40);
  5324. tg3_setup_phy(tp, 0);
  5325. }
  5326. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  5327. tg3_serdes_parallel_detect(tp);
  5328. tp->timer_counter = tp->timer_multiplier;
  5329. }
  5330. /* Heartbeat is only sent once every 120 seconds. */
  5331. if (!--tp->asf_counter) {
  5332. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  5333. u32 val;
  5334. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_ALIVE);
  5335. tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
  5336. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 3);
  5337. val = tr32(GRC_RX_CPU_EVENT);
  5338. val |= (1 << 14);
  5339. tw32(GRC_RX_CPU_EVENT, val);
  5340. }
  5341. tp->asf_counter = tp->asf_multiplier;
  5342. }
  5343. spin_unlock(&tp->lock);
  5344. tp->timer.expires = jiffies + tp->timer_offset;
  5345. add_timer(&tp->timer);
  5346. }
  5347. static int tg3_test_interrupt(struct tg3 *tp)
  5348. {
  5349. struct net_device *dev = tp->dev;
  5350. int err, i;
  5351. u32 int_mbox = 0;
  5352. if (!netif_running(dev))
  5353. return -ENODEV;
  5354. tg3_disable_ints(tp);
  5355. free_irq(tp->pdev->irq, dev);
  5356. err = request_irq(tp->pdev->irq, tg3_test_isr,
  5357. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5358. if (err)
  5359. return err;
  5360. tg3_enable_ints(tp);
  5361. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  5362. HOSTCC_MODE_NOW);
  5363. for (i = 0; i < 5; i++) {
  5364. int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
  5365. TG3_64BIT_REG_LOW);
  5366. if (int_mbox != 0)
  5367. break;
  5368. msleep(10);
  5369. }
  5370. tg3_disable_ints(tp);
  5371. free_irq(tp->pdev->irq, dev);
  5372. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
  5373. err = request_irq(tp->pdev->irq, tg3_msi,
  5374. SA_SAMPLE_RANDOM, dev->name, dev);
  5375. else {
  5376. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5377. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5378. fn = tg3_interrupt_tagged;
  5379. err = request_irq(tp->pdev->irq, fn,
  5380. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5381. }
  5382. if (err)
  5383. return err;
  5384. if (int_mbox != 0)
  5385. return 0;
  5386. return -EIO;
  5387. }
  5388. /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
  5389. * successfully restored
  5390. */
  5391. static int tg3_test_msi(struct tg3 *tp)
  5392. {
  5393. struct net_device *dev = tp->dev;
  5394. int err;
  5395. u16 pci_cmd;
  5396. if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
  5397. return 0;
  5398. /* Turn off SERR reporting in case MSI terminates with Master
  5399. * Abort.
  5400. */
  5401. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  5402. pci_write_config_word(tp->pdev, PCI_COMMAND,
  5403. pci_cmd & ~PCI_COMMAND_SERR);
  5404. err = tg3_test_interrupt(tp);
  5405. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  5406. if (!err)
  5407. return 0;
  5408. /* other failures */
  5409. if (err != -EIO)
  5410. return err;
  5411. /* MSI test failed, go back to INTx mode */
  5412. printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
  5413. "switching to INTx mode. Please report this failure to "
  5414. "the PCI maintainer and include system chipset information.\n",
  5415. tp->dev->name);
  5416. free_irq(tp->pdev->irq, dev);
  5417. pci_disable_msi(tp->pdev);
  5418. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5419. {
  5420. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5421. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5422. fn = tg3_interrupt_tagged;
  5423. err = request_irq(tp->pdev->irq, fn,
  5424. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5425. }
  5426. if (err)
  5427. return err;
  5428. /* Need to reset the chip because the MSI cycle may have terminated
  5429. * with Master Abort.
  5430. */
  5431. tg3_full_lock(tp, 1);
  5432. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5433. err = tg3_init_hw(tp);
  5434. tg3_full_unlock(tp);
  5435. if (err)
  5436. free_irq(tp->pdev->irq, dev);
  5437. return err;
  5438. }
  5439. static int tg3_open(struct net_device *dev)
  5440. {
  5441. struct tg3 *tp = netdev_priv(dev);
  5442. int err;
  5443. tg3_full_lock(tp, 0);
  5444. tg3_disable_ints(tp);
  5445. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  5446. tg3_full_unlock(tp);
  5447. /* The placement of this call is tied
  5448. * to the setup and use of Host TX descriptors.
  5449. */
  5450. err = tg3_alloc_consistent(tp);
  5451. if (err)
  5452. return err;
  5453. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  5454. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
  5455. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
  5456. /* All MSI supporting chips should support tagged
  5457. * status. Assert that this is the case.
  5458. */
  5459. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5460. printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
  5461. "Not using MSI.\n", tp->dev->name);
  5462. } else if (pci_enable_msi(tp->pdev) == 0) {
  5463. u32 msi_mode;
  5464. msi_mode = tr32(MSGINT_MODE);
  5465. tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
  5466. tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
  5467. }
  5468. }
  5469. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
  5470. err = request_irq(tp->pdev->irq, tg3_msi,
  5471. SA_SAMPLE_RANDOM, dev->name, dev);
  5472. else {
  5473. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5474. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5475. fn = tg3_interrupt_tagged;
  5476. err = request_irq(tp->pdev->irq, fn,
  5477. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5478. }
  5479. if (err) {
  5480. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5481. pci_disable_msi(tp->pdev);
  5482. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5483. }
  5484. tg3_free_consistent(tp);
  5485. return err;
  5486. }
  5487. tg3_full_lock(tp, 0);
  5488. err = tg3_init_hw(tp);
  5489. if (err) {
  5490. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5491. tg3_free_rings(tp);
  5492. } else {
  5493. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5494. tp->timer_offset = HZ;
  5495. else
  5496. tp->timer_offset = HZ / 10;
  5497. BUG_ON(tp->timer_offset > HZ);
  5498. tp->timer_counter = tp->timer_multiplier =
  5499. (HZ / tp->timer_offset);
  5500. tp->asf_counter = tp->asf_multiplier =
  5501. ((HZ / tp->timer_offset) * 120);
  5502. init_timer(&tp->timer);
  5503. tp->timer.expires = jiffies + tp->timer_offset;
  5504. tp->timer.data = (unsigned long) tp;
  5505. tp->timer.function = tg3_timer;
  5506. }
  5507. tg3_full_unlock(tp);
  5508. if (err) {
  5509. free_irq(tp->pdev->irq, dev);
  5510. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5511. pci_disable_msi(tp->pdev);
  5512. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5513. }
  5514. tg3_free_consistent(tp);
  5515. return err;
  5516. }
  5517. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5518. err = tg3_test_msi(tp);
  5519. if (err) {
  5520. tg3_full_lock(tp, 0);
  5521. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5522. pci_disable_msi(tp->pdev);
  5523. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5524. }
  5525. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5526. tg3_free_rings(tp);
  5527. tg3_free_consistent(tp);
  5528. tg3_full_unlock(tp);
  5529. return err;
  5530. }
  5531. }
  5532. tg3_full_lock(tp, 0);
  5533. add_timer(&tp->timer);
  5534. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  5535. tg3_enable_ints(tp);
  5536. tg3_full_unlock(tp);
  5537. netif_start_queue(dev);
  5538. return 0;
  5539. }
  5540. #if 0
  5541. /*static*/ void tg3_dump_state(struct tg3 *tp)
  5542. {
  5543. u32 val32, val32_2, val32_3, val32_4, val32_5;
  5544. u16 val16;
  5545. int i;
  5546. pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
  5547. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
  5548. printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
  5549. val16, val32);
  5550. /* MAC block */
  5551. printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
  5552. tr32(MAC_MODE), tr32(MAC_STATUS));
  5553. printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
  5554. tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
  5555. printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
  5556. tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
  5557. printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
  5558. tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
  5559. /* Send data initiator control block */
  5560. printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
  5561. tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
  5562. printk(" SNDDATAI_STATSCTRL[%08x]\n",
  5563. tr32(SNDDATAI_STATSCTRL));
  5564. /* Send data completion control block */
  5565. printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
  5566. /* Send BD ring selector block */
  5567. printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
  5568. tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
  5569. /* Send BD initiator control block */
  5570. printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
  5571. tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
  5572. /* Send BD completion control block */
  5573. printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
  5574. /* Receive list placement control block */
  5575. printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
  5576. tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
  5577. printk(" RCVLPC_STATSCTRL[%08x]\n",
  5578. tr32(RCVLPC_STATSCTRL));
  5579. /* Receive data and receive BD initiator control block */
  5580. printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
  5581. tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
  5582. /* Receive data completion control block */
  5583. printk("DEBUG: RCVDCC_MODE[%08x]\n",
  5584. tr32(RCVDCC_MODE));
  5585. /* Receive BD initiator control block */
  5586. printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
  5587. tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
  5588. /* Receive BD completion control block */
  5589. printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
  5590. tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
  5591. /* Receive list selector control block */
  5592. printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
  5593. tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
  5594. /* Mbuf cluster free block */
  5595. printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
  5596. tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
  5597. /* Host coalescing control block */
  5598. printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
  5599. tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
  5600. printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
  5601. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5602. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5603. printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
  5604. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5605. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5606. printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
  5607. tr32(HOSTCC_STATS_BLK_NIC_ADDR));
  5608. printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
  5609. tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
  5610. /* Memory arbiter control block */
  5611. printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
  5612. tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
  5613. /* Buffer manager control block */
  5614. printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
  5615. tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
  5616. printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
  5617. tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
  5618. printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
  5619. "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
  5620. tr32(BUFMGR_DMA_DESC_POOL_ADDR),
  5621. tr32(BUFMGR_DMA_DESC_POOL_SIZE));
  5622. /* Read DMA control block */
  5623. printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
  5624. tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
  5625. /* Write DMA control block */
  5626. printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
  5627. tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
  5628. /* DMA completion block */
  5629. printk("DEBUG: DMAC_MODE[%08x]\n",
  5630. tr32(DMAC_MODE));
  5631. /* GRC block */
  5632. printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
  5633. tr32(GRC_MODE), tr32(GRC_MISC_CFG));
  5634. printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
  5635. tr32(GRC_LOCAL_CTRL));
  5636. /* TG3_BDINFOs */
  5637. printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
  5638. tr32(RCVDBDI_JUMBO_BD + 0x0),
  5639. tr32(RCVDBDI_JUMBO_BD + 0x4),
  5640. tr32(RCVDBDI_JUMBO_BD + 0x8),
  5641. tr32(RCVDBDI_JUMBO_BD + 0xc));
  5642. printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
  5643. tr32(RCVDBDI_STD_BD + 0x0),
  5644. tr32(RCVDBDI_STD_BD + 0x4),
  5645. tr32(RCVDBDI_STD_BD + 0x8),
  5646. tr32(RCVDBDI_STD_BD + 0xc));
  5647. printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
  5648. tr32(RCVDBDI_MINI_BD + 0x0),
  5649. tr32(RCVDBDI_MINI_BD + 0x4),
  5650. tr32(RCVDBDI_MINI_BD + 0x8),
  5651. tr32(RCVDBDI_MINI_BD + 0xc));
  5652. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
  5653. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
  5654. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
  5655. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
  5656. printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
  5657. val32, val32_2, val32_3, val32_4);
  5658. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
  5659. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
  5660. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
  5661. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
  5662. printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
  5663. val32, val32_2, val32_3, val32_4);
  5664. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
  5665. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
  5666. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
  5667. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
  5668. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
  5669. printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
  5670. val32, val32_2, val32_3, val32_4, val32_5);
  5671. /* SW status block */
  5672. printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
  5673. tp->hw_status->status,
  5674. tp->hw_status->status_tag,
  5675. tp->hw_status->rx_jumbo_consumer,
  5676. tp->hw_status->rx_consumer,
  5677. tp->hw_status->rx_mini_consumer,
  5678. tp->hw_status->idx[0].rx_producer,
  5679. tp->hw_status->idx[0].tx_consumer);
  5680. /* SW statistics block */
  5681. printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
  5682. ((u32 *)tp->hw_stats)[0],
  5683. ((u32 *)tp->hw_stats)[1],
  5684. ((u32 *)tp->hw_stats)[2],
  5685. ((u32 *)tp->hw_stats)[3]);
  5686. /* Mailboxes */
  5687. printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
  5688. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
  5689. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
  5690. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
  5691. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
  5692. /* NIC side send descriptors. */
  5693. for (i = 0; i < 6; i++) {
  5694. unsigned long txd;
  5695. txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
  5696. + (i * sizeof(struct tg3_tx_buffer_desc));
  5697. printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
  5698. i,
  5699. readl(txd + 0x0), readl(txd + 0x4),
  5700. readl(txd + 0x8), readl(txd + 0xc));
  5701. }
  5702. /* NIC side RX descriptors. */
  5703. for (i = 0; i < 6; i++) {
  5704. unsigned long rxd;
  5705. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
  5706. + (i * sizeof(struct tg3_rx_buffer_desc));
  5707. printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
  5708. i,
  5709. readl(rxd + 0x0), readl(rxd + 0x4),
  5710. readl(rxd + 0x8), readl(rxd + 0xc));
  5711. rxd += (4 * sizeof(u32));
  5712. printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
  5713. i,
  5714. readl(rxd + 0x0), readl(rxd + 0x4),
  5715. readl(rxd + 0x8), readl(rxd + 0xc));
  5716. }
  5717. for (i = 0; i < 6; i++) {
  5718. unsigned long rxd;
  5719. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
  5720. + (i * sizeof(struct tg3_rx_buffer_desc));
  5721. printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
  5722. i,
  5723. readl(rxd + 0x0), readl(rxd + 0x4),
  5724. readl(rxd + 0x8), readl(rxd + 0xc));
  5725. rxd += (4 * sizeof(u32));
  5726. printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
  5727. i,
  5728. readl(rxd + 0x0), readl(rxd + 0x4),
  5729. readl(rxd + 0x8), readl(rxd + 0xc));
  5730. }
  5731. }
  5732. #endif
  5733. static struct net_device_stats *tg3_get_stats(struct net_device *);
  5734. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
  5735. static int tg3_close(struct net_device *dev)
  5736. {
  5737. struct tg3 *tp = netdev_priv(dev);
  5738. netif_stop_queue(dev);
  5739. del_timer_sync(&tp->timer);
  5740. tg3_full_lock(tp, 1);
  5741. #if 0
  5742. tg3_dump_state(tp);
  5743. #endif
  5744. tg3_disable_ints(tp);
  5745. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5746. tg3_free_rings(tp);
  5747. tp->tg3_flags &=
  5748. ~(TG3_FLAG_INIT_COMPLETE |
  5749. TG3_FLAG_GOT_SERDES_FLOWCTL);
  5750. netif_carrier_off(tp->dev);
  5751. tg3_full_unlock(tp);
  5752. free_irq(tp->pdev->irq, dev);
  5753. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5754. pci_disable_msi(tp->pdev);
  5755. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5756. }
  5757. memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
  5758. sizeof(tp->net_stats_prev));
  5759. memcpy(&tp->estats_prev, tg3_get_estats(tp),
  5760. sizeof(tp->estats_prev));
  5761. tg3_free_consistent(tp);
  5762. return 0;
  5763. }
  5764. static inline unsigned long get_stat64(tg3_stat64_t *val)
  5765. {
  5766. unsigned long ret;
  5767. #if (BITS_PER_LONG == 32)
  5768. ret = val->low;
  5769. #else
  5770. ret = ((u64)val->high << 32) | ((u64)val->low);
  5771. #endif
  5772. return ret;
  5773. }
  5774. static unsigned long calc_crc_errors(struct tg3 *tp)
  5775. {
  5776. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5777. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  5778. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  5779. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  5780. u32 val;
  5781. spin_lock_bh(&tp->lock);
  5782. if (!tg3_readphy(tp, 0x1e, &val)) {
  5783. tg3_writephy(tp, 0x1e, val | 0x8000);
  5784. tg3_readphy(tp, 0x14, &val);
  5785. } else
  5786. val = 0;
  5787. spin_unlock_bh(&tp->lock);
  5788. tp->phy_crc_errors += val;
  5789. return tp->phy_crc_errors;
  5790. }
  5791. return get_stat64(&hw_stats->rx_fcs_errors);
  5792. }
  5793. #define ESTAT_ADD(member) \
  5794. estats->member = old_estats->member + \
  5795. get_stat64(&hw_stats->member)
  5796. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
  5797. {
  5798. struct tg3_ethtool_stats *estats = &tp->estats;
  5799. struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
  5800. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5801. if (!hw_stats)
  5802. return old_estats;
  5803. ESTAT_ADD(rx_octets);
  5804. ESTAT_ADD(rx_fragments);
  5805. ESTAT_ADD(rx_ucast_packets);
  5806. ESTAT_ADD(rx_mcast_packets);
  5807. ESTAT_ADD(rx_bcast_packets);
  5808. ESTAT_ADD(rx_fcs_errors);
  5809. ESTAT_ADD(rx_align_errors);
  5810. ESTAT_ADD(rx_xon_pause_rcvd);
  5811. ESTAT_ADD(rx_xoff_pause_rcvd);
  5812. ESTAT_ADD(rx_mac_ctrl_rcvd);
  5813. ESTAT_ADD(rx_xoff_entered);
  5814. ESTAT_ADD(rx_frame_too_long_errors);
  5815. ESTAT_ADD(rx_jabbers);
  5816. ESTAT_ADD(rx_undersize_packets);
  5817. ESTAT_ADD(rx_in_length_errors);
  5818. ESTAT_ADD(rx_out_length_errors);
  5819. ESTAT_ADD(rx_64_or_less_octet_packets);
  5820. ESTAT_ADD(rx_65_to_127_octet_packets);
  5821. ESTAT_ADD(rx_128_to_255_octet_packets);
  5822. ESTAT_ADD(rx_256_to_511_octet_packets);
  5823. ESTAT_ADD(rx_512_to_1023_octet_packets);
  5824. ESTAT_ADD(rx_1024_to_1522_octet_packets);
  5825. ESTAT_ADD(rx_1523_to_2047_octet_packets);
  5826. ESTAT_ADD(rx_2048_to_4095_octet_packets);
  5827. ESTAT_ADD(rx_4096_to_8191_octet_packets);
  5828. ESTAT_ADD(rx_8192_to_9022_octet_packets);
  5829. ESTAT_ADD(tx_octets);
  5830. ESTAT_ADD(tx_collisions);
  5831. ESTAT_ADD(tx_xon_sent);
  5832. ESTAT_ADD(tx_xoff_sent);
  5833. ESTAT_ADD(tx_flow_control);
  5834. ESTAT_ADD(tx_mac_errors);
  5835. ESTAT_ADD(tx_single_collisions);
  5836. ESTAT_ADD(tx_mult_collisions);
  5837. ESTAT_ADD(tx_deferred);
  5838. ESTAT_ADD(tx_excessive_collisions);
  5839. ESTAT_ADD(tx_late_collisions);
  5840. ESTAT_ADD(tx_collide_2times);
  5841. ESTAT_ADD(tx_collide_3times);
  5842. ESTAT_ADD(tx_collide_4times);
  5843. ESTAT_ADD(tx_collide_5times);
  5844. ESTAT_ADD(tx_collide_6times);
  5845. ESTAT_ADD(tx_collide_7times);
  5846. ESTAT_ADD(tx_collide_8times);
  5847. ESTAT_ADD(tx_collide_9times);
  5848. ESTAT_ADD(tx_collide_10times);
  5849. ESTAT_ADD(tx_collide_11times);
  5850. ESTAT_ADD(tx_collide_12times);
  5851. ESTAT_ADD(tx_collide_13times);
  5852. ESTAT_ADD(tx_collide_14times);
  5853. ESTAT_ADD(tx_collide_15times);
  5854. ESTAT_ADD(tx_ucast_packets);
  5855. ESTAT_ADD(tx_mcast_packets);
  5856. ESTAT_ADD(tx_bcast_packets);
  5857. ESTAT_ADD(tx_carrier_sense_errors);
  5858. ESTAT_ADD(tx_discards);
  5859. ESTAT_ADD(tx_errors);
  5860. ESTAT_ADD(dma_writeq_full);
  5861. ESTAT_ADD(dma_write_prioq_full);
  5862. ESTAT_ADD(rxbds_empty);
  5863. ESTAT_ADD(rx_discards);
  5864. ESTAT_ADD(rx_errors);
  5865. ESTAT_ADD(rx_threshold_hit);
  5866. ESTAT_ADD(dma_readq_full);
  5867. ESTAT_ADD(dma_read_prioq_full);
  5868. ESTAT_ADD(tx_comp_queue_full);
  5869. ESTAT_ADD(ring_set_send_prod_index);
  5870. ESTAT_ADD(ring_status_update);
  5871. ESTAT_ADD(nic_irqs);
  5872. ESTAT_ADD(nic_avoided_irqs);
  5873. ESTAT_ADD(nic_tx_threshold_hit);
  5874. return estats;
  5875. }
  5876. static struct net_device_stats *tg3_get_stats(struct net_device *dev)
  5877. {
  5878. struct tg3 *tp = netdev_priv(dev);
  5879. struct net_device_stats *stats = &tp->net_stats;
  5880. struct net_device_stats *old_stats = &tp->net_stats_prev;
  5881. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5882. if (!hw_stats)
  5883. return old_stats;
  5884. stats->rx_packets = old_stats->rx_packets +
  5885. get_stat64(&hw_stats->rx_ucast_packets) +
  5886. get_stat64(&hw_stats->rx_mcast_packets) +
  5887. get_stat64(&hw_stats->rx_bcast_packets);
  5888. stats->tx_packets = old_stats->tx_packets +
  5889. get_stat64(&hw_stats->tx_ucast_packets) +
  5890. get_stat64(&hw_stats->tx_mcast_packets) +
  5891. get_stat64(&hw_stats->tx_bcast_packets);
  5892. stats->rx_bytes = old_stats->rx_bytes +
  5893. get_stat64(&hw_stats->rx_octets);
  5894. stats->tx_bytes = old_stats->tx_bytes +
  5895. get_stat64(&hw_stats->tx_octets);
  5896. stats->rx_errors = old_stats->rx_errors +
  5897. get_stat64(&hw_stats->rx_errors) +
  5898. get_stat64(&hw_stats->rx_discards);
  5899. stats->tx_errors = old_stats->tx_errors +
  5900. get_stat64(&hw_stats->tx_errors) +
  5901. get_stat64(&hw_stats->tx_mac_errors) +
  5902. get_stat64(&hw_stats->tx_carrier_sense_errors) +
  5903. get_stat64(&hw_stats->tx_discards);
  5904. stats->multicast = old_stats->multicast +
  5905. get_stat64(&hw_stats->rx_mcast_packets);
  5906. stats->collisions = old_stats->collisions +
  5907. get_stat64(&hw_stats->tx_collisions);
  5908. stats->rx_length_errors = old_stats->rx_length_errors +
  5909. get_stat64(&hw_stats->rx_frame_too_long_errors) +
  5910. get_stat64(&hw_stats->rx_undersize_packets);
  5911. stats->rx_over_errors = old_stats->rx_over_errors +
  5912. get_stat64(&hw_stats->rxbds_empty);
  5913. stats->rx_frame_errors = old_stats->rx_frame_errors +
  5914. get_stat64(&hw_stats->rx_align_errors);
  5915. stats->tx_aborted_errors = old_stats->tx_aborted_errors +
  5916. get_stat64(&hw_stats->tx_discards);
  5917. stats->tx_carrier_errors = old_stats->tx_carrier_errors +
  5918. get_stat64(&hw_stats->tx_carrier_sense_errors);
  5919. stats->rx_crc_errors = old_stats->rx_crc_errors +
  5920. calc_crc_errors(tp);
  5921. return stats;
  5922. }
  5923. static inline u32 calc_crc(unsigned char *buf, int len)
  5924. {
  5925. u32 reg;
  5926. u32 tmp;
  5927. int j, k;
  5928. reg = 0xffffffff;
  5929. for (j = 0; j < len; j++) {
  5930. reg ^= buf[j];
  5931. for (k = 0; k < 8; k++) {
  5932. tmp = reg & 0x01;
  5933. reg >>= 1;
  5934. if (tmp) {
  5935. reg ^= 0xedb88320;
  5936. }
  5937. }
  5938. }
  5939. return ~reg;
  5940. }
  5941. static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
  5942. {
  5943. /* accept or reject all multicast frames */
  5944. tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
  5945. tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
  5946. tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
  5947. tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
  5948. }
  5949. static void __tg3_set_rx_mode(struct net_device *dev)
  5950. {
  5951. struct tg3 *tp = netdev_priv(dev);
  5952. u32 rx_mode;
  5953. rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
  5954. RX_MODE_KEEP_VLAN_TAG);
  5955. /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
  5956. * flag clear.
  5957. */
  5958. #if TG3_VLAN_TAG_USED
  5959. if (!tp->vlgrp &&
  5960. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  5961. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  5962. #else
  5963. /* By definition, VLAN is disabled always in this
  5964. * case.
  5965. */
  5966. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  5967. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  5968. #endif
  5969. if (dev->flags & IFF_PROMISC) {
  5970. /* Promiscuous mode. */
  5971. rx_mode |= RX_MODE_PROMISC;
  5972. } else if (dev->flags & IFF_ALLMULTI) {
  5973. /* Accept all multicast. */
  5974. tg3_set_multi (tp, 1);
  5975. } else if (dev->mc_count < 1) {
  5976. /* Reject all multicast. */
  5977. tg3_set_multi (tp, 0);
  5978. } else {
  5979. /* Accept one or more multicast(s). */
  5980. struct dev_mc_list *mclist;
  5981. unsigned int i;
  5982. u32 mc_filter[4] = { 0, };
  5983. u32 regidx;
  5984. u32 bit;
  5985. u32 crc;
  5986. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  5987. i++, mclist = mclist->next) {
  5988. crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
  5989. bit = ~crc & 0x7f;
  5990. regidx = (bit & 0x60) >> 5;
  5991. bit &= 0x1f;
  5992. mc_filter[regidx] |= (1 << bit);
  5993. }
  5994. tw32(MAC_HASH_REG_0, mc_filter[0]);
  5995. tw32(MAC_HASH_REG_1, mc_filter[1]);
  5996. tw32(MAC_HASH_REG_2, mc_filter[2]);
  5997. tw32(MAC_HASH_REG_3, mc_filter[3]);
  5998. }
  5999. if (rx_mode != tp->rx_mode) {
  6000. tp->rx_mode = rx_mode;
  6001. tw32_f(MAC_RX_MODE, rx_mode);
  6002. udelay(10);
  6003. }
  6004. }
  6005. static void tg3_set_rx_mode(struct net_device *dev)
  6006. {
  6007. struct tg3 *tp = netdev_priv(dev);
  6008. tg3_full_lock(tp, 0);
  6009. __tg3_set_rx_mode(dev);
  6010. tg3_full_unlock(tp);
  6011. }
  6012. #define TG3_REGDUMP_LEN (32 * 1024)
  6013. static int tg3_get_regs_len(struct net_device *dev)
  6014. {
  6015. return TG3_REGDUMP_LEN;
  6016. }
  6017. static void tg3_get_regs(struct net_device *dev,
  6018. struct ethtool_regs *regs, void *_p)
  6019. {
  6020. u32 *p = _p;
  6021. struct tg3 *tp = netdev_priv(dev);
  6022. u8 *orig_p = _p;
  6023. int i;
  6024. regs->version = 0;
  6025. memset(p, 0, TG3_REGDUMP_LEN);
  6026. tg3_full_lock(tp, 0);
  6027. #define __GET_REG32(reg) (*(p)++ = tr32(reg))
  6028. #define GET_REG32_LOOP(base,len) \
  6029. do { p = (u32 *)(orig_p + (base)); \
  6030. for (i = 0; i < len; i += 4) \
  6031. __GET_REG32((base) + i); \
  6032. } while (0)
  6033. #define GET_REG32_1(reg) \
  6034. do { p = (u32 *)(orig_p + (reg)); \
  6035. __GET_REG32((reg)); \
  6036. } while (0)
  6037. GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
  6038. GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
  6039. GET_REG32_LOOP(MAC_MODE, 0x4f0);
  6040. GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
  6041. GET_REG32_1(SNDDATAC_MODE);
  6042. GET_REG32_LOOP(SNDBDS_MODE, 0x80);
  6043. GET_REG32_LOOP(SNDBDI_MODE, 0x48);
  6044. GET_REG32_1(SNDBDC_MODE);
  6045. GET_REG32_LOOP(RCVLPC_MODE, 0x20);
  6046. GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
  6047. GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
  6048. GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
  6049. GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
  6050. GET_REG32_1(RCVDCC_MODE);
  6051. GET_REG32_LOOP(RCVBDI_MODE, 0x20);
  6052. GET_REG32_LOOP(RCVCC_MODE, 0x14);
  6053. GET_REG32_LOOP(RCVLSC_MODE, 0x08);
  6054. GET_REG32_1(MBFREE_MODE);
  6055. GET_REG32_LOOP(HOSTCC_MODE, 0x100);
  6056. GET_REG32_LOOP(MEMARB_MODE, 0x10);
  6057. GET_REG32_LOOP(BUFMGR_MODE, 0x58);
  6058. GET_REG32_LOOP(RDMAC_MODE, 0x08);
  6059. GET_REG32_LOOP(WDMAC_MODE, 0x08);
  6060. GET_REG32_LOOP(RX_CPU_BASE, 0x280);
  6061. GET_REG32_LOOP(TX_CPU_BASE, 0x280);
  6062. GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
  6063. GET_REG32_LOOP(FTQ_RESET, 0x120);
  6064. GET_REG32_LOOP(MSGINT_MODE, 0x0c);
  6065. GET_REG32_1(DMAC_MODE);
  6066. GET_REG32_LOOP(GRC_MODE, 0x4c);
  6067. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  6068. GET_REG32_LOOP(NVRAM_CMD, 0x24);
  6069. #undef __GET_REG32
  6070. #undef GET_REG32_LOOP
  6071. #undef GET_REG32_1
  6072. tg3_full_unlock(tp);
  6073. }
  6074. static int tg3_get_eeprom_len(struct net_device *dev)
  6075. {
  6076. struct tg3 *tp = netdev_priv(dev);
  6077. return tp->nvram_size;
  6078. }
  6079. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
  6080. static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6081. {
  6082. struct tg3 *tp = netdev_priv(dev);
  6083. int ret;
  6084. u8 *pd;
  6085. u32 i, offset, len, val, b_offset, b_count;
  6086. offset = eeprom->offset;
  6087. len = eeprom->len;
  6088. eeprom->len = 0;
  6089. eeprom->magic = TG3_EEPROM_MAGIC;
  6090. if (offset & 3) {
  6091. /* adjustments to start on required 4 byte boundary */
  6092. b_offset = offset & 3;
  6093. b_count = 4 - b_offset;
  6094. if (b_count > len) {
  6095. /* i.e. offset=1 len=2 */
  6096. b_count = len;
  6097. }
  6098. ret = tg3_nvram_read(tp, offset-b_offset, &val);
  6099. if (ret)
  6100. return ret;
  6101. val = cpu_to_le32(val);
  6102. memcpy(data, ((char*)&val) + b_offset, b_count);
  6103. len -= b_count;
  6104. offset += b_count;
  6105. eeprom->len += b_count;
  6106. }
  6107. /* read bytes upto the last 4 byte boundary */
  6108. pd = &data[eeprom->len];
  6109. for (i = 0; i < (len - (len & 3)); i += 4) {
  6110. ret = tg3_nvram_read(tp, offset + i, &val);
  6111. if (ret) {
  6112. eeprom->len += i;
  6113. return ret;
  6114. }
  6115. val = cpu_to_le32(val);
  6116. memcpy(pd + i, &val, 4);
  6117. }
  6118. eeprom->len += i;
  6119. if (len & 3) {
  6120. /* read last bytes not ending on 4 byte boundary */
  6121. pd = &data[eeprom->len];
  6122. b_count = len & 3;
  6123. b_offset = offset + len - b_count;
  6124. ret = tg3_nvram_read(tp, b_offset, &val);
  6125. if (ret)
  6126. return ret;
  6127. val = cpu_to_le32(val);
  6128. memcpy(pd, ((char*)&val), b_count);
  6129. eeprom->len += b_count;
  6130. }
  6131. return 0;
  6132. }
  6133. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
  6134. static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6135. {
  6136. struct tg3 *tp = netdev_priv(dev);
  6137. int ret;
  6138. u32 offset, len, b_offset, odd_len, start, end;
  6139. u8 *buf;
  6140. if (eeprom->magic != TG3_EEPROM_MAGIC)
  6141. return -EINVAL;
  6142. offset = eeprom->offset;
  6143. len = eeprom->len;
  6144. if ((b_offset = (offset & 3))) {
  6145. /* adjustments to start on required 4 byte boundary */
  6146. ret = tg3_nvram_read(tp, offset-b_offset, &start);
  6147. if (ret)
  6148. return ret;
  6149. start = cpu_to_le32(start);
  6150. len += b_offset;
  6151. offset &= ~3;
  6152. if (len < 4)
  6153. len = 4;
  6154. }
  6155. odd_len = 0;
  6156. if (len & 3) {
  6157. /* adjustments to end on required 4 byte boundary */
  6158. odd_len = 1;
  6159. len = (len + 3) & ~3;
  6160. ret = tg3_nvram_read(tp, offset+len-4, &end);
  6161. if (ret)
  6162. return ret;
  6163. end = cpu_to_le32(end);
  6164. }
  6165. buf = data;
  6166. if (b_offset || odd_len) {
  6167. buf = kmalloc(len, GFP_KERNEL);
  6168. if (buf == 0)
  6169. return -ENOMEM;
  6170. if (b_offset)
  6171. memcpy(buf, &start, 4);
  6172. if (odd_len)
  6173. memcpy(buf+len-4, &end, 4);
  6174. memcpy(buf + b_offset, data, eeprom->len);
  6175. }
  6176. ret = tg3_nvram_write_block(tp, offset, len, buf);
  6177. if (buf != data)
  6178. kfree(buf);
  6179. return ret;
  6180. }
  6181. static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6182. {
  6183. struct tg3 *tp = netdev_priv(dev);
  6184. cmd->supported = (SUPPORTED_Autoneg);
  6185. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  6186. cmd->supported |= (SUPPORTED_1000baseT_Half |
  6187. SUPPORTED_1000baseT_Full);
  6188. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES))
  6189. cmd->supported |= (SUPPORTED_100baseT_Half |
  6190. SUPPORTED_100baseT_Full |
  6191. SUPPORTED_10baseT_Half |
  6192. SUPPORTED_10baseT_Full |
  6193. SUPPORTED_MII);
  6194. else
  6195. cmd->supported |= SUPPORTED_FIBRE;
  6196. cmd->advertising = tp->link_config.advertising;
  6197. if (netif_running(dev)) {
  6198. cmd->speed = tp->link_config.active_speed;
  6199. cmd->duplex = tp->link_config.active_duplex;
  6200. }
  6201. cmd->port = 0;
  6202. cmd->phy_address = PHY_ADDR;
  6203. cmd->transceiver = 0;
  6204. cmd->autoneg = tp->link_config.autoneg;
  6205. cmd->maxtxpkt = 0;
  6206. cmd->maxrxpkt = 0;
  6207. return 0;
  6208. }
  6209. static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6210. {
  6211. struct tg3 *tp = netdev_priv(dev);
  6212. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  6213. /* These are the only valid advertisement bits allowed. */
  6214. if (cmd->autoneg == AUTONEG_ENABLE &&
  6215. (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
  6216. ADVERTISED_1000baseT_Full |
  6217. ADVERTISED_Autoneg |
  6218. ADVERTISED_FIBRE)))
  6219. return -EINVAL;
  6220. }
  6221. tg3_full_lock(tp, 0);
  6222. tp->link_config.autoneg = cmd->autoneg;
  6223. if (cmd->autoneg == AUTONEG_ENABLE) {
  6224. tp->link_config.advertising = cmd->advertising;
  6225. tp->link_config.speed = SPEED_INVALID;
  6226. tp->link_config.duplex = DUPLEX_INVALID;
  6227. } else {
  6228. tp->link_config.advertising = 0;
  6229. tp->link_config.speed = cmd->speed;
  6230. tp->link_config.duplex = cmd->duplex;
  6231. }
  6232. if (netif_running(dev))
  6233. tg3_setup_phy(tp, 1);
  6234. tg3_full_unlock(tp);
  6235. return 0;
  6236. }
  6237. static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  6238. {
  6239. struct tg3 *tp = netdev_priv(dev);
  6240. strcpy(info->driver, DRV_MODULE_NAME);
  6241. strcpy(info->version, DRV_MODULE_VERSION);
  6242. strcpy(info->bus_info, pci_name(tp->pdev));
  6243. }
  6244. static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6245. {
  6246. struct tg3 *tp = netdev_priv(dev);
  6247. wol->supported = WAKE_MAGIC;
  6248. wol->wolopts = 0;
  6249. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  6250. wol->wolopts = WAKE_MAGIC;
  6251. memset(&wol->sopass, 0, sizeof(wol->sopass));
  6252. }
  6253. static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6254. {
  6255. struct tg3 *tp = netdev_priv(dev);
  6256. if (wol->wolopts & ~WAKE_MAGIC)
  6257. return -EINVAL;
  6258. if ((wol->wolopts & WAKE_MAGIC) &&
  6259. tp->tg3_flags2 & TG3_FLG2_PHY_SERDES &&
  6260. !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
  6261. return -EINVAL;
  6262. spin_lock_bh(&tp->lock);
  6263. if (wol->wolopts & WAKE_MAGIC)
  6264. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  6265. else
  6266. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  6267. spin_unlock_bh(&tp->lock);
  6268. return 0;
  6269. }
  6270. static u32 tg3_get_msglevel(struct net_device *dev)
  6271. {
  6272. struct tg3 *tp = netdev_priv(dev);
  6273. return tp->msg_enable;
  6274. }
  6275. static void tg3_set_msglevel(struct net_device *dev, u32 value)
  6276. {
  6277. struct tg3 *tp = netdev_priv(dev);
  6278. tp->msg_enable = value;
  6279. }
  6280. #if TG3_TSO_SUPPORT != 0
  6281. static int tg3_set_tso(struct net_device *dev, u32 value)
  6282. {
  6283. struct tg3 *tp = netdev_priv(dev);
  6284. if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  6285. if (value)
  6286. return -EINVAL;
  6287. return 0;
  6288. }
  6289. return ethtool_op_set_tso(dev, value);
  6290. }
  6291. #endif
  6292. static int tg3_nway_reset(struct net_device *dev)
  6293. {
  6294. struct tg3 *tp = netdev_priv(dev);
  6295. u32 bmcr;
  6296. int r;
  6297. if (!netif_running(dev))
  6298. return -EAGAIN;
  6299. spin_lock_bh(&tp->lock);
  6300. r = -EINVAL;
  6301. tg3_readphy(tp, MII_BMCR, &bmcr);
  6302. if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
  6303. (bmcr & BMCR_ANENABLE)) {
  6304. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART);
  6305. r = 0;
  6306. }
  6307. spin_unlock_bh(&tp->lock);
  6308. return r;
  6309. }
  6310. static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6311. {
  6312. struct tg3 *tp = netdev_priv(dev);
  6313. ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
  6314. ering->rx_mini_max_pending = 0;
  6315. ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
  6316. ering->rx_pending = tp->rx_pending;
  6317. ering->rx_mini_pending = 0;
  6318. ering->rx_jumbo_pending = tp->rx_jumbo_pending;
  6319. ering->tx_pending = tp->tx_pending;
  6320. }
  6321. static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6322. {
  6323. struct tg3 *tp = netdev_priv(dev);
  6324. int irq_sync = 0;
  6325. if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
  6326. (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
  6327. (ering->tx_pending > TG3_TX_RING_SIZE - 1))
  6328. return -EINVAL;
  6329. if (netif_running(dev)) {
  6330. tg3_netif_stop(tp);
  6331. irq_sync = 1;
  6332. }
  6333. tg3_full_lock(tp, irq_sync);
  6334. tp->rx_pending = ering->rx_pending;
  6335. if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
  6336. tp->rx_pending > 63)
  6337. tp->rx_pending = 63;
  6338. tp->rx_jumbo_pending = ering->rx_jumbo_pending;
  6339. tp->tx_pending = ering->tx_pending;
  6340. if (netif_running(dev)) {
  6341. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6342. tg3_init_hw(tp);
  6343. tg3_netif_start(tp);
  6344. }
  6345. tg3_full_unlock(tp);
  6346. return 0;
  6347. }
  6348. static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6349. {
  6350. struct tg3 *tp = netdev_priv(dev);
  6351. epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
  6352. epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
  6353. epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
  6354. }
  6355. static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6356. {
  6357. struct tg3 *tp = netdev_priv(dev);
  6358. int irq_sync = 0;
  6359. if (netif_running(dev)) {
  6360. tg3_netif_stop(tp);
  6361. irq_sync = 1;
  6362. }
  6363. tg3_full_lock(tp, irq_sync);
  6364. if (epause->autoneg)
  6365. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  6366. else
  6367. tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
  6368. if (epause->rx_pause)
  6369. tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
  6370. else
  6371. tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
  6372. if (epause->tx_pause)
  6373. tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
  6374. else
  6375. tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
  6376. if (netif_running(dev)) {
  6377. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6378. tg3_init_hw(tp);
  6379. tg3_netif_start(tp);
  6380. }
  6381. tg3_full_unlock(tp);
  6382. return 0;
  6383. }
  6384. static u32 tg3_get_rx_csum(struct net_device *dev)
  6385. {
  6386. struct tg3 *tp = netdev_priv(dev);
  6387. return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
  6388. }
  6389. static int tg3_set_rx_csum(struct net_device *dev, u32 data)
  6390. {
  6391. struct tg3 *tp = netdev_priv(dev);
  6392. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  6393. if (data != 0)
  6394. return -EINVAL;
  6395. return 0;
  6396. }
  6397. spin_lock_bh(&tp->lock);
  6398. if (data)
  6399. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  6400. else
  6401. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  6402. spin_unlock_bh(&tp->lock);
  6403. return 0;
  6404. }
  6405. static int tg3_set_tx_csum(struct net_device *dev, u32 data)
  6406. {
  6407. struct tg3 *tp = netdev_priv(dev);
  6408. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  6409. if (data != 0)
  6410. return -EINVAL;
  6411. return 0;
  6412. }
  6413. if (data)
  6414. dev->features |= NETIF_F_IP_CSUM;
  6415. else
  6416. dev->features &= ~NETIF_F_IP_CSUM;
  6417. return 0;
  6418. }
  6419. static int tg3_get_stats_count (struct net_device *dev)
  6420. {
  6421. return TG3_NUM_STATS;
  6422. }
  6423. static int tg3_get_test_count (struct net_device *dev)
  6424. {
  6425. return TG3_NUM_TEST;
  6426. }
  6427. static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
  6428. {
  6429. switch (stringset) {
  6430. case ETH_SS_STATS:
  6431. memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
  6432. break;
  6433. case ETH_SS_TEST:
  6434. memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
  6435. break;
  6436. default:
  6437. WARN_ON(1); /* we need a WARN() */
  6438. break;
  6439. }
  6440. }
  6441. static void tg3_get_ethtool_stats (struct net_device *dev,
  6442. struct ethtool_stats *estats, u64 *tmp_stats)
  6443. {
  6444. struct tg3 *tp = netdev_priv(dev);
  6445. memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
  6446. }
  6447. #define NVRAM_TEST_SIZE 0x100
  6448. static int tg3_test_nvram(struct tg3 *tp)
  6449. {
  6450. u32 *buf, csum;
  6451. int i, j, err = 0;
  6452. buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
  6453. if (buf == NULL)
  6454. return -ENOMEM;
  6455. for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
  6456. u32 val;
  6457. if ((err = tg3_nvram_read(tp, i, &val)) != 0)
  6458. break;
  6459. buf[j] = cpu_to_le32(val);
  6460. }
  6461. if (i < NVRAM_TEST_SIZE)
  6462. goto out;
  6463. err = -EIO;
  6464. if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
  6465. goto out;
  6466. /* Bootstrap checksum at offset 0x10 */
  6467. csum = calc_crc((unsigned char *) buf, 0x10);
  6468. if(csum != cpu_to_le32(buf[0x10/4]))
  6469. goto out;
  6470. /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
  6471. csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
  6472. if (csum != cpu_to_le32(buf[0xfc/4]))
  6473. goto out;
  6474. err = 0;
  6475. out:
  6476. kfree(buf);
  6477. return err;
  6478. }
  6479. #define TG3_SERDES_TIMEOUT_SEC 2
  6480. #define TG3_COPPER_TIMEOUT_SEC 6
  6481. static int tg3_test_link(struct tg3 *tp)
  6482. {
  6483. int i, max;
  6484. if (!netif_running(tp->dev))
  6485. return -ENODEV;
  6486. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6487. max = TG3_SERDES_TIMEOUT_SEC;
  6488. else
  6489. max = TG3_COPPER_TIMEOUT_SEC;
  6490. for (i = 0; i < max; i++) {
  6491. if (netif_carrier_ok(tp->dev))
  6492. return 0;
  6493. if (msleep_interruptible(1000))
  6494. break;
  6495. }
  6496. return -EIO;
  6497. }
  6498. /* Only test the commonly used registers */
  6499. static int tg3_test_registers(struct tg3 *tp)
  6500. {
  6501. int i, is_5705;
  6502. u32 offset, read_mask, write_mask, val, save_val, read_val;
  6503. static struct {
  6504. u16 offset;
  6505. u16 flags;
  6506. #define TG3_FL_5705 0x1
  6507. #define TG3_FL_NOT_5705 0x2
  6508. #define TG3_FL_NOT_5788 0x4
  6509. u32 read_mask;
  6510. u32 write_mask;
  6511. } reg_tbl[] = {
  6512. /* MAC Control Registers */
  6513. { MAC_MODE, TG3_FL_NOT_5705,
  6514. 0x00000000, 0x00ef6f8c },
  6515. { MAC_MODE, TG3_FL_5705,
  6516. 0x00000000, 0x01ef6b8c },
  6517. { MAC_STATUS, TG3_FL_NOT_5705,
  6518. 0x03800107, 0x00000000 },
  6519. { MAC_STATUS, TG3_FL_5705,
  6520. 0x03800100, 0x00000000 },
  6521. { MAC_ADDR_0_HIGH, 0x0000,
  6522. 0x00000000, 0x0000ffff },
  6523. { MAC_ADDR_0_LOW, 0x0000,
  6524. 0x00000000, 0xffffffff },
  6525. { MAC_RX_MTU_SIZE, 0x0000,
  6526. 0x00000000, 0x0000ffff },
  6527. { MAC_TX_MODE, 0x0000,
  6528. 0x00000000, 0x00000070 },
  6529. { MAC_TX_LENGTHS, 0x0000,
  6530. 0x00000000, 0x00003fff },
  6531. { MAC_RX_MODE, TG3_FL_NOT_5705,
  6532. 0x00000000, 0x000007fc },
  6533. { MAC_RX_MODE, TG3_FL_5705,
  6534. 0x00000000, 0x000007dc },
  6535. { MAC_HASH_REG_0, 0x0000,
  6536. 0x00000000, 0xffffffff },
  6537. { MAC_HASH_REG_1, 0x0000,
  6538. 0x00000000, 0xffffffff },
  6539. { MAC_HASH_REG_2, 0x0000,
  6540. 0x00000000, 0xffffffff },
  6541. { MAC_HASH_REG_3, 0x0000,
  6542. 0x00000000, 0xffffffff },
  6543. /* Receive Data and Receive BD Initiator Control Registers. */
  6544. { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
  6545. 0x00000000, 0xffffffff },
  6546. { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
  6547. 0x00000000, 0xffffffff },
  6548. { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
  6549. 0x00000000, 0x00000003 },
  6550. { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
  6551. 0x00000000, 0xffffffff },
  6552. { RCVDBDI_STD_BD+0, 0x0000,
  6553. 0x00000000, 0xffffffff },
  6554. { RCVDBDI_STD_BD+4, 0x0000,
  6555. 0x00000000, 0xffffffff },
  6556. { RCVDBDI_STD_BD+8, 0x0000,
  6557. 0x00000000, 0xffff0002 },
  6558. { RCVDBDI_STD_BD+0xc, 0x0000,
  6559. 0x00000000, 0xffffffff },
  6560. /* Receive BD Initiator Control Registers. */
  6561. { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
  6562. 0x00000000, 0xffffffff },
  6563. { RCVBDI_STD_THRESH, TG3_FL_5705,
  6564. 0x00000000, 0x000003ff },
  6565. { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
  6566. 0x00000000, 0xffffffff },
  6567. /* Host Coalescing Control Registers. */
  6568. { HOSTCC_MODE, TG3_FL_NOT_5705,
  6569. 0x00000000, 0x00000004 },
  6570. { HOSTCC_MODE, TG3_FL_5705,
  6571. 0x00000000, 0x000000f6 },
  6572. { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
  6573. 0x00000000, 0xffffffff },
  6574. { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
  6575. 0x00000000, 0x000003ff },
  6576. { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
  6577. 0x00000000, 0xffffffff },
  6578. { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
  6579. 0x00000000, 0x000003ff },
  6580. { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
  6581. 0x00000000, 0xffffffff },
  6582. { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  6583. 0x00000000, 0x000000ff },
  6584. { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
  6585. 0x00000000, 0xffffffff },
  6586. { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  6587. 0x00000000, 0x000000ff },
  6588. { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
  6589. 0x00000000, 0xffffffff },
  6590. { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
  6591. 0x00000000, 0xffffffff },
  6592. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  6593. 0x00000000, 0xffffffff },
  6594. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  6595. 0x00000000, 0x000000ff },
  6596. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  6597. 0x00000000, 0xffffffff },
  6598. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  6599. 0x00000000, 0x000000ff },
  6600. { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
  6601. 0x00000000, 0xffffffff },
  6602. { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
  6603. 0x00000000, 0xffffffff },
  6604. { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
  6605. 0x00000000, 0xffffffff },
  6606. { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
  6607. 0x00000000, 0xffffffff },
  6608. { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
  6609. 0x00000000, 0xffffffff },
  6610. { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
  6611. 0xffffffff, 0x00000000 },
  6612. { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
  6613. 0xffffffff, 0x00000000 },
  6614. /* Buffer Manager Control Registers. */
  6615. { BUFMGR_MB_POOL_ADDR, 0x0000,
  6616. 0x00000000, 0x007fff80 },
  6617. { BUFMGR_MB_POOL_SIZE, 0x0000,
  6618. 0x00000000, 0x007fffff },
  6619. { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
  6620. 0x00000000, 0x0000003f },
  6621. { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
  6622. 0x00000000, 0x000001ff },
  6623. { BUFMGR_MB_HIGH_WATER, 0x0000,
  6624. 0x00000000, 0x000001ff },
  6625. { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
  6626. 0xffffffff, 0x00000000 },
  6627. { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
  6628. 0xffffffff, 0x00000000 },
  6629. /* Mailbox Registers */
  6630. { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
  6631. 0x00000000, 0x000001ff },
  6632. { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
  6633. 0x00000000, 0x000001ff },
  6634. { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
  6635. 0x00000000, 0x000007ff },
  6636. { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
  6637. 0x00000000, 0x000001ff },
  6638. { 0xffff, 0x0000, 0x00000000, 0x00000000 },
  6639. };
  6640. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  6641. is_5705 = 1;
  6642. else
  6643. is_5705 = 0;
  6644. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  6645. if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
  6646. continue;
  6647. if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
  6648. continue;
  6649. if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  6650. (reg_tbl[i].flags & TG3_FL_NOT_5788))
  6651. continue;
  6652. offset = (u32) reg_tbl[i].offset;
  6653. read_mask = reg_tbl[i].read_mask;
  6654. write_mask = reg_tbl[i].write_mask;
  6655. /* Save the original register content */
  6656. save_val = tr32(offset);
  6657. /* Determine the read-only value. */
  6658. read_val = save_val & read_mask;
  6659. /* Write zero to the register, then make sure the read-only bits
  6660. * are not changed and the read/write bits are all zeros.
  6661. */
  6662. tw32(offset, 0);
  6663. val = tr32(offset);
  6664. /* Test the read-only and read/write bits. */
  6665. if (((val & read_mask) != read_val) || (val & write_mask))
  6666. goto out;
  6667. /* Write ones to all the bits defined by RdMask and WrMask, then
  6668. * make sure the read-only bits are not changed and the
  6669. * read/write bits are all ones.
  6670. */
  6671. tw32(offset, read_mask | write_mask);
  6672. val = tr32(offset);
  6673. /* Test the read-only bits. */
  6674. if ((val & read_mask) != read_val)
  6675. goto out;
  6676. /* Test the read/write bits. */
  6677. if ((val & write_mask) != write_mask)
  6678. goto out;
  6679. tw32(offset, save_val);
  6680. }
  6681. return 0;
  6682. out:
  6683. printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
  6684. tw32(offset, save_val);
  6685. return -EIO;
  6686. }
  6687. static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
  6688. {
  6689. static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
  6690. int i;
  6691. u32 j;
  6692. for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
  6693. for (j = 0; j < len; j += 4) {
  6694. u32 val;
  6695. tg3_write_mem(tp, offset + j, test_pattern[i]);
  6696. tg3_read_mem(tp, offset + j, &val);
  6697. if (val != test_pattern[i])
  6698. return -EIO;
  6699. }
  6700. }
  6701. return 0;
  6702. }
  6703. static int tg3_test_memory(struct tg3 *tp)
  6704. {
  6705. static struct mem_entry {
  6706. u32 offset;
  6707. u32 len;
  6708. } mem_tbl_570x[] = {
  6709. { 0x00000000, 0x01000},
  6710. { 0x00002000, 0x1c000},
  6711. { 0xffffffff, 0x00000}
  6712. }, mem_tbl_5705[] = {
  6713. { 0x00000100, 0x0000c},
  6714. { 0x00000200, 0x00008},
  6715. { 0x00000b50, 0x00400},
  6716. { 0x00004000, 0x00800},
  6717. { 0x00006000, 0x01000},
  6718. { 0x00008000, 0x02000},
  6719. { 0x00010000, 0x0e000},
  6720. { 0xffffffff, 0x00000}
  6721. };
  6722. struct mem_entry *mem_tbl;
  6723. int err = 0;
  6724. int i;
  6725. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  6726. mem_tbl = mem_tbl_5705;
  6727. else
  6728. mem_tbl = mem_tbl_570x;
  6729. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  6730. if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
  6731. mem_tbl[i].len)) != 0)
  6732. break;
  6733. }
  6734. return err;
  6735. }
  6736. static int tg3_test_loopback(struct tg3 *tp)
  6737. {
  6738. u32 mac_mode, send_idx, rx_start_idx, rx_idx, tx_idx, opaque_key;
  6739. u32 desc_idx;
  6740. struct sk_buff *skb, *rx_skb;
  6741. u8 *tx_data;
  6742. dma_addr_t map;
  6743. int num_pkts, tx_len, rx_len, i, err;
  6744. struct tg3_rx_buffer_desc *desc;
  6745. if (!netif_running(tp->dev))
  6746. return -ENODEV;
  6747. err = -EIO;
  6748. tg3_reset_hw(tp);
  6749. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  6750. MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY |
  6751. MAC_MODE_PORT_MODE_GMII;
  6752. tw32(MAC_MODE, mac_mode);
  6753. tx_len = 1514;
  6754. skb = dev_alloc_skb(tx_len);
  6755. tx_data = skb_put(skb, tx_len);
  6756. memcpy(tx_data, tp->dev->dev_addr, 6);
  6757. memset(tx_data + 6, 0x0, 8);
  6758. tw32(MAC_RX_MTU_SIZE, tx_len + 4);
  6759. for (i = 14; i < tx_len; i++)
  6760. tx_data[i] = (u8) (i & 0xff);
  6761. map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
  6762. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  6763. HOSTCC_MODE_NOW);
  6764. udelay(10);
  6765. rx_start_idx = tp->hw_status->idx[0].rx_producer;
  6766. send_idx = 0;
  6767. num_pkts = 0;
  6768. tg3_set_txd(tp, send_idx, map, tx_len, 0, 1);
  6769. send_idx++;
  6770. num_pkts++;
  6771. tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, send_idx);
  6772. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
  6773. udelay(10);
  6774. for (i = 0; i < 10; i++) {
  6775. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  6776. HOSTCC_MODE_NOW);
  6777. udelay(10);
  6778. tx_idx = tp->hw_status->idx[0].tx_consumer;
  6779. rx_idx = tp->hw_status->idx[0].rx_producer;
  6780. if ((tx_idx == send_idx) &&
  6781. (rx_idx == (rx_start_idx + num_pkts)))
  6782. break;
  6783. }
  6784. pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
  6785. dev_kfree_skb(skb);
  6786. if (tx_idx != send_idx)
  6787. goto out;
  6788. if (rx_idx != rx_start_idx + num_pkts)
  6789. goto out;
  6790. desc = &tp->rx_rcb[rx_start_idx];
  6791. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  6792. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  6793. if (opaque_key != RXD_OPAQUE_RING_STD)
  6794. goto out;
  6795. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  6796. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
  6797. goto out;
  6798. rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
  6799. if (rx_len != tx_len)
  6800. goto out;
  6801. rx_skb = tp->rx_std_buffers[desc_idx].skb;
  6802. map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
  6803. pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
  6804. for (i = 14; i < tx_len; i++) {
  6805. if (*(rx_skb->data + i) != (u8) (i & 0xff))
  6806. goto out;
  6807. }
  6808. err = 0;
  6809. /* tg3_free_rings will unmap and free the rx_skb */
  6810. out:
  6811. return err;
  6812. }
  6813. static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
  6814. u64 *data)
  6815. {
  6816. struct tg3 *tp = netdev_priv(dev);
  6817. memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
  6818. if (tg3_test_nvram(tp) != 0) {
  6819. etest->flags |= ETH_TEST_FL_FAILED;
  6820. data[0] = 1;
  6821. }
  6822. if (tg3_test_link(tp) != 0) {
  6823. etest->flags |= ETH_TEST_FL_FAILED;
  6824. data[1] = 1;
  6825. }
  6826. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  6827. int irq_sync = 0;
  6828. if (netif_running(dev)) {
  6829. tg3_netif_stop(tp);
  6830. irq_sync = 1;
  6831. }
  6832. tg3_full_lock(tp, irq_sync);
  6833. tg3_halt(tp, RESET_KIND_SUSPEND, 1);
  6834. tg3_nvram_lock(tp);
  6835. tg3_halt_cpu(tp, RX_CPU_BASE);
  6836. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  6837. tg3_halt_cpu(tp, TX_CPU_BASE);
  6838. tg3_nvram_unlock(tp);
  6839. if (tg3_test_registers(tp) != 0) {
  6840. etest->flags |= ETH_TEST_FL_FAILED;
  6841. data[2] = 1;
  6842. }
  6843. if (tg3_test_memory(tp) != 0) {
  6844. etest->flags |= ETH_TEST_FL_FAILED;
  6845. data[3] = 1;
  6846. }
  6847. if (tg3_test_loopback(tp) != 0) {
  6848. etest->flags |= ETH_TEST_FL_FAILED;
  6849. data[4] = 1;
  6850. }
  6851. tg3_full_unlock(tp);
  6852. if (tg3_test_interrupt(tp) != 0) {
  6853. etest->flags |= ETH_TEST_FL_FAILED;
  6854. data[5] = 1;
  6855. }
  6856. tg3_full_lock(tp, 0);
  6857. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6858. if (netif_running(dev)) {
  6859. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  6860. tg3_init_hw(tp);
  6861. tg3_netif_start(tp);
  6862. }
  6863. tg3_full_unlock(tp);
  6864. }
  6865. }
  6866. static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  6867. {
  6868. struct mii_ioctl_data *data = if_mii(ifr);
  6869. struct tg3 *tp = netdev_priv(dev);
  6870. int err;
  6871. switch(cmd) {
  6872. case SIOCGMIIPHY:
  6873. data->phy_id = PHY_ADDR;
  6874. /* fallthru */
  6875. case SIOCGMIIREG: {
  6876. u32 mii_regval;
  6877. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6878. break; /* We have no PHY */
  6879. spin_lock_bh(&tp->lock);
  6880. err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
  6881. spin_unlock_bh(&tp->lock);
  6882. data->val_out = mii_regval;
  6883. return err;
  6884. }
  6885. case SIOCSMIIREG:
  6886. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6887. break; /* We have no PHY */
  6888. if (!capable(CAP_NET_ADMIN))
  6889. return -EPERM;
  6890. spin_lock_bh(&tp->lock);
  6891. err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
  6892. spin_unlock_bh(&tp->lock);
  6893. return err;
  6894. default:
  6895. /* do nothing */
  6896. break;
  6897. }
  6898. return -EOPNOTSUPP;
  6899. }
  6900. #if TG3_VLAN_TAG_USED
  6901. static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
  6902. {
  6903. struct tg3 *tp = netdev_priv(dev);
  6904. tg3_full_lock(tp, 0);
  6905. tp->vlgrp = grp;
  6906. /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
  6907. __tg3_set_rx_mode(dev);
  6908. tg3_full_unlock(tp);
  6909. }
  6910. static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
  6911. {
  6912. struct tg3 *tp = netdev_priv(dev);
  6913. tg3_full_lock(tp, 0);
  6914. if (tp->vlgrp)
  6915. tp->vlgrp->vlan_devices[vid] = NULL;
  6916. tg3_full_unlock(tp);
  6917. }
  6918. #endif
  6919. static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  6920. {
  6921. struct tg3 *tp = netdev_priv(dev);
  6922. memcpy(ec, &tp->coal, sizeof(*ec));
  6923. return 0;
  6924. }
  6925. static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  6926. {
  6927. struct tg3 *tp = netdev_priv(dev);
  6928. u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
  6929. u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
  6930. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  6931. max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
  6932. max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
  6933. max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
  6934. min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
  6935. }
  6936. if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
  6937. (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
  6938. (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
  6939. (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
  6940. (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
  6941. (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
  6942. (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
  6943. (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
  6944. (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
  6945. (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
  6946. return -EINVAL;
  6947. /* No rx interrupts will be generated if both are zero */
  6948. if ((ec->rx_coalesce_usecs == 0) &&
  6949. (ec->rx_max_coalesced_frames == 0))
  6950. return -EINVAL;
  6951. /* No tx interrupts will be generated if both are zero */
  6952. if ((ec->tx_coalesce_usecs == 0) &&
  6953. (ec->tx_max_coalesced_frames == 0))
  6954. return -EINVAL;
  6955. /* Only copy relevant parameters, ignore all others. */
  6956. tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
  6957. tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
  6958. tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
  6959. tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
  6960. tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
  6961. tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
  6962. tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
  6963. tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
  6964. tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
  6965. if (netif_running(dev)) {
  6966. tg3_full_lock(tp, 0);
  6967. __tg3_set_coalesce(tp, &tp->coal);
  6968. tg3_full_unlock(tp);
  6969. }
  6970. return 0;
  6971. }
  6972. static struct ethtool_ops tg3_ethtool_ops = {
  6973. .get_settings = tg3_get_settings,
  6974. .set_settings = tg3_set_settings,
  6975. .get_drvinfo = tg3_get_drvinfo,
  6976. .get_regs_len = tg3_get_regs_len,
  6977. .get_regs = tg3_get_regs,
  6978. .get_wol = tg3_get_wol,
  6979. .set_wol = tg3_set_wol,
  6980. .get_msglevel = tg3_get_msglevel,
  6981. .set_msglevel = tg3_set_msglevel,
  6982. .nway_reset = tg3_nway_reset,
  6983. .get_link = ethtool_op_get_link,
  6984. .get_eeprom_len = tg3_get_eeprom_len,
  6985. .get_eeprom = tg3_get_eeprom,
  6986. .set_eeprom = tg3_set_eeprom,
  6987. .get_ringparam = tg3_get_ringparam,
  6988. .set_ringparam = tg3_set_ringparam,
  6989. .get_pauseparam = tg3_get_pauseparam,
  6990. .set_pauseparam = tg3_set_pauseparam,
  6991. .get_rx_csum = tg3_get_rx_csum,
  6992. .set_rx_csum = tg3_set_rx_csum,
  6993. .get_tx_csum = ethtool_op_get_tx_csum,
  6994. .set_tx_csum = tg3_set_tx_csum,
  6995. .get_sg = ethtool_op_get_sg,
  6996. .set_sg = ethtool_op_set_sg,
  6997. #if TG3_TSO_SUPPORT != 0
  6998. .get_tso = ethtool_op_get_tso,
  6999. .set_tso = tg3_set_tso,
  7000. #endif
  7001. .self_test_count = tg3_get_test_count,
  7002. .self_test = tg3_self_test,
  7003. .get_strings = tg3_get_strings,
  7004. .get_stats_count = tg3_get_stats_count,
  7005. .get_ethtool_stats = tg3_get_ethtool_stats,
  7006. .get_coalesce = tg3_get_coalesce,
  7007. .set_coalesce = tg3_set_coalesce,
  7008. };
  7009. static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
  7010. {
  7011. u32 cursize, val;
  7012. tp->nvram_size = EEPROM_CHIP_SIZE;
  7013. if (tg3_nvram_read(tp, 0, &val) != 0)
  7014. return;
  7015. if (swab32(val) != TG3_EEPROM_MAGIC)
  7016. return;
  7017. /*
  7018. * Size the chip by reading offsets at increasing powers of two.
  7019. * When we encounter our validation signature, we know the addressing
  7020. * has wrapped around, and thus have our chip size.
  7021. */
  7022. cursize = 0x800;
  7023. while (cursize < tp->nvram_size) {
  7024. if (tg3_nvram_read(tp, cursize, &val) != 0)
  7025. return;
  7026. if (swab32(val) == TG3_EEPROM_MAGIC)
  7027. break;
  7028. cursize <<= 1;
  7029. }
  7030. tp->nvram_size = cursize;
  7031. }
  7032. static void __devinit tg3_get_nvram_size(struct tg3 *tp)
  7033. {
  7034. u32 val;
  7035. if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
  7036. if (val != 0) {
  7037. tp->nvram_size = (val >> 16) * 1024;
  7038. return;
  7039. }
  7040. }
  7041. tp->nvram_size = 0x20000;
  7042. }
  7043. static void __devinit tg3_get_nvram_info(struct tg3 *tp)
  7044. {
  7045. u32 nvcfg1;
  7046. nvcfg1 = tr32(NVRAM_CFG1);
  7047. if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
  7048. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7049. }
  7050. else {
  7051. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7052. tw32(NVRAM_CFG1, nvcfg1);
  7053. }
  7054. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  7055. switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
  7056. case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
  7057. tp->nvram_jedecnum = JEDEC_ATMEL;
  7058. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7059. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7060. break;
  7061. case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
  7062. tp->nvram_jedecnum = JEDEC_ATMEL;
  7063. tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
  7064. break;
  7065. case FLASH_VENDOR_ATMEL_EEPROM:
  7066. tp->nvram_jedecnum = JEDEC_ATMEL;
  7067. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7068. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7069. break;
  7070. case FLASH_VENDOR_ST:
  7071. tp->nvram_jedecnum = JEDEC_ST;
  7072. tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
  7073. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7074. break;
  7075. case FLASH_VENDOR_SAIFUN:
  7076. tp->nvram_jedecnum = JEDEC_SAIFUN;
  7077. tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
  7078. break;
  7079. case FLASH_VENDOR_SST_SMALL:
  7080. case FLASH_VENDOR_SST_LARGE:
  7081. tp->nvram_jedecnum = JEDEC_SST;
  7082. tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
  7083. break;
  7084. }
  7085. }
  7086. else {
  7087. tp->nvram_jedecnum = JEDEC_ATMEL;
  7088. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7089. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7090. }
  7091. }
  7092. static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
  7093. {
  7094. u32 nvcfg1;
  7095. nvcfg1 = tr32(NVRAM_CFG1);
  7096. /* NVRAM protection for TPM */
  7097. if (nvcfg1 & (1 << 27))
  7098. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  7099. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  7100. case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
  7101. case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
  7102. tp->nvram_jedecnum = JEDEC_ATMEL;
  7103. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7104. break;
  7105. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  7106. tp->nvram_jedecnum = JEDEC_ATMEL;
  7107. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7108. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7109. break;
  7110. case FLASH_5752VENDOR_ST_M45PE10:
  7111. case FLASH_5752VENDOR_ST_M45PE20:
  7112. case FLASH_5752VENDOR_ST_M45PE40:
  7113. tp->nvram_jedecnum = JEDEC_ST;
  7114. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7115. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7116. break;
  7117. }
  7118. if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
  7119. switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
  7120. case FLASH_5752PAGE_SIZE_256:
  7121. tp->nvram_pagesize = 256;
  7122. break;
  7123. case FLASH_5752PAGE_SIZE_512:
  7124. tp->nvram_pagesize = 512;
  7125. break;
  7126. case FLASH_5752PAGE_SIZE_1K:
  7127. tp->nvram_pagesize = 1024;
  7128. break;
  7129. case FLASH_5752PAGE_SIZE_2K:
  7130. tp->nvram_pagesize = 2048;
  7131. break;
  7132. case FLASH_5752PAGE_SIZE_4K:
  7133. tp->nvram_pagesize = 4096;
  7134. break;
  7135. case FLASH_5752PAGE_SIZE_264:
  7136. tp->nvram_pagesize = 264;
  7137. break;
  7138. }
  7139. }
  7140. else {
  7141. /* For eeprom, set pagesize to maximum eeprom size */
  7142. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7143. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7144. tw32(NVRAM_CFG1, nvcfg1);
  7145. }
  7146. }
  7147. /* Chips other than 5700/5701 use the NVRAM for fetching info. */
  7148. static void __devinit tg3_nvram_init(struct tg3 *tp)
  7149. {
  7150. int j;
  7151. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
  7152. return;
  7153. tw32_f(GRC_EEPROM_ADDR,
  7154. (EEPROM_ADDR_FSM_RESET |
  7155. (EEPROM_DEFAULT_CLOCK_PERIOD <<
  7156. EEPROM_ADDR_CLKPERD_SHIFT)));
  7157. /* XXX schedule_timeout() ... */
  7158. for (j = 0; j < 100; j++)
  7159. udelay(10);
  7160. /* Enable seeprom accesses. */
  7161. tw32_f(GRC_LOCAL_CTRL,
  7162. tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
  7163. udelay(100);
  7164. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  7165. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  7166. tp->tg3_flags |= TG3_FLAG_NVRAM;
  7167. tg3_enable_nvram_access(tp);
  7168. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  7169. tg3_get_5752_nvram_info(tp);
  7170. else
  7171. tg3_get_nvram_info(tp);
  7172. tg3_get_nvram_size(tp);
  7173. tg3_disable_nvram_access(tp);
  7174. } else {
  7175. tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
  7176. tg3_get_eeprom_size(tp);
  7177. }
  7178. }
  7179. static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
  7180. u32 offset, u32 *val)
  7181. {
  7182. u32 tmp;
  7183. int i;
  7184. if (offset > EEPROM_ADDR_ADDR_MASK ||
  7185. (offset % 4) != 0)
  7186. return -EINVAL;
  7187. tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
  7188. EEPROM_ADDR_DEVID_MASK |
  7189. EEPROM_ADDR_READ);
  7190. tw32(GRC_EEPROM_ADDR,
  7191. tmp |
  7192. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  7193. ((offset << EEPROM_ADDR_ADDR_SHIFT) &
  7194. EEPROM_ADDR_ADDR_MASK) |
  7195. EEPROM_ADDR_READ | EEPROM_ADDR_START);
  7196. for (i = 0; i < 10000; i++) {
  7197. tmp = tr32(GRC_EEPROM_ADDR);
  7198. if (tmp & EEPROM_ADDR_COMPLETE)
  7199. break;
  7200. udelay(100);
  7201. }
  7202. if (!(tmp & EEPROM_ADDR_COMPLETE))
  7203. return -EBUSY;
  7204. *val = tr32(GRC_EEPROM_DATA);
  7205. return 0;
  7206. }
  7207. #define NVRAM_CMD_TIMEOUT 10000
  7208. static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
  7209. {
  7210. int i;
  7211. tw32(NVRAM_CMD, nvram_cmd);
  7212. for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
  7213. udelay(10);
  7214. if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
  7215. udelay(10);
  7216. break;
  7217. }
  7218. }
  7219. if (i == NVRAM_CMD_TIMEOUT) {
  7220. return -EBUSY;
  7221. }
  7222. return 0;
  7223. }
  7224. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
  7225. {
  7226. int ret;
  7227. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7228. printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n");
  7229. return -EINVAL;
  7230. }
  7231. if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  7232. return tg3_nvram_read_using_eeprom(tp, offset, val);
  7233. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  7234. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  7235. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  7236. offset = ((offset / tp->nvram_pagesize) <<
  7237. ATMEL_AT45DB0X1B_PAGE_POS) +
  7238. (offset % tp->nvram_pagesize);
  7239. }
  7240. if (offset > NVRAM_ADDR_MSK)
  7241. return -EINVAL;
  7242. tg3_nvram_lock(tp);
  7243. tg3_enable_nvram_access(tp);
  7244. tw32(NVRAM_ADDR, offset);
  7245. ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
  7246. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
  7247. if (ret == 0)
  7248. *val = swab32(tr32(NVRAM_RDDATA));
  7249. tg3_nvram_unlock(tp);
  7250. tg3_disable_nvram_access(tp);
  7251. return ret;
  7252. }
  7253. static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
  7254. u32 offset, u32 len, u8 *buf)
  7255. {
  7256. int i, j, rc = 0;
  7257. u32 val;
  7258. for (i = 0; i < len; i += 4) {
  7259. u32 addr, data;
  7260. addr = offset + i;
  7261. memcpy(&data, buf + i, 4);
  7262. tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
  7263. val = tr32(GRC_EEPROM_ADDR);
  7264. tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
  7265. val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
  7266. EEPROM_ADDR_READ);
  7267. tw32(GRC_EEPROM_ADDR, val |
  7268. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  7269. (addr & EEPROM_ADDR_ADDR_MASK) |
  7270. EEPROM_ADDR_START |
  7271. EEPROM_ADDR_WRITE);
  7272. for (j = 0; j < 10000; j++) {
  7273. val = tr32(GRC_EEPROM_ADDR);
  7274. if (val & EEPROM_ADDR_COMPLETE)
  7275. break;
  7276. udelay(100);
  7277. }
  7278. if (!(val & EEPROM_ADDR_COMPLETE)) {
  7279. rc = -EBUSY;
  7280. break;
  7281. }
  7282. }
  7283. return rc;
  7284. }
  7285. /* offset and length are dword aligned */
  7286. static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
  7287. u8 *buf)
  7288. {
  7289. int ret = 0;
  7290. u32 pagesize = tp->nvram_pagesize;
  7291. u32 pagemask = pagesize - 1;
  7292. u32 nvram_cmd;
  7293. u8 *tmp;
  7294. tmp = kmalloc(pagesize, GFP_KERNEL);
  7295. if (tmp == NULL)
  7296. return -ENOMEM;
  7297. while (len) {
  7298. int j;
  7299. u32 phy_addr, page_off, size;
  7300. phy_addr = offset & ~pagemask;
  7301. for (j = 0; j < pagesize; j += 4) {
  7302. if ((ret = tg3_nvram_read(tp, phy_addr + j,
  7303. (u32 *) (tmp + j))))
  7304. break;
  7305. }
  7306. if (ret)
  7307. break;
  7308. page_off = offset & pagemask;
  7309. size = pagesize;
  7310. if (len < size)
  7311. size = len;
  7312. len -= size;
  7313. memcpy(tmp + page_off, buf, size);
  7314. offset = offset + (pagesize - page_off);
  7315. tg3_enable_nvram_access(tp);
  7316. /*
  7317. * Before we can erase the flash page, we need
  7318. * to issue a special "write enable" command.
  7319. */
  7320. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7321. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7322. break;
  7323. /* Erase the target page */
  7324. tw32(NVRAM_ADDR, phy_addr);
  7325. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
  7326. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
  7327. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7328. break;
  7329. /* Issue another write enable to start the write. */
  7330. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7331. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7332. break;
  7333. for (j = 0; j < pagesize; j += 4) {
  7334. u32 data;
  7335. data = *((u32 *) (tmp + j));
  7336. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  7337. tw32(NVRAM_ADDR, phy_addr + j);
  7338. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
  7339. NVRAM_CMD_WR;
  7340. if (j == 0)
  7341. nvram_cmd |= NVRAM_CMD_FIRST;
  7342. else if (j == (pagesize - 4))
  7343. nvram_cmd |= NVRAM_CMD_LAST;
  7344. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  7345. break;
  7346. }
  7347. if (ret)
  7348. break;
  7349. }
  7350. nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7351. tg3_nvram_exec_cmd(tp, nvram_cmd);
  7352. kfree(tmp);
  7353. return ret;
  7354. }
  7355. /* offset and length are dword aligned */
  7356. static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
  7357. u8 *buf)
  7358. {
  7359. int i, ret = 0;
  7360. for (i = 0; i < len; i += 4, offset += 4) {
  7361. u32 data, page_off, phy_addr, nvram_cmd;
  7362. memcpy(&data, buf + i, 4);
  7363. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  7364. page_off = offset % tp->nvram_pagesize;
  7365. if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  7366. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  7367. phy_addr = ((offset / tp->nvram_pagesize) <<
  7368. ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
  7369. }
  7370. else {
  7371. phy_addr = offset;
  7372. }
  7373. tw32(NVRAM_ADDR, phy_addr);
  7374. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
  7375. if ((page_off == 0) || (i == 0))
  7376. nvram_cmd |= NVRAM_CMD_FIRST;
  7377. else if (page_off == (tp->nvram_pagesize - 4))
  7378. nvram_cmd |= NVRAM_CMD_LAST;
  7379. if (i == (len - 4))
  7380. nvram_cmd |= NVRAM_CMD_LAST;
  7381. if ((tp->nvram_jedecnum == JEDEC_ST) &&
  7382. (nvram_cmd & NVRAM_CMD_FIRST)) {
  7383. if ((ret = tg3_nvram_exec_cmd(tp,
  7384. NVRAM_CMD_WREN | NVRAM_CMD_GO |
  7385. NVRAM_CMD_DONE)))
  7386. break;
  7387. }
  7388. if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  7389. /* We always do complete word writes to eeprom. */
  7390. nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
  7391. }
  7392. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  7393. break;
  7394. }
  7395. return ret;
  7396. }
  7397. /* offset and length are dword aligned */
  7398. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
  7399. {
  7400. int ret;
  7401. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7402. printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n");
  7403. return -EINVAL;
  7404. }
  7405. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  7406. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
  7407. ~GRC_LCLCTRL_GPIO_OUTPUT1);
  7408. udelay(40);
  7409. }
  7410. if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
  7411. ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
  7412. }
  7413. else {
  7414. u32 grc_mode;
  7415. tg3_nvram_lock(tp);
  7416. tg3_enable_nvram_access(tp);
  7417. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  7418. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
  7419. tw32(NVRAM_WRITE1, 0x406);
  7420. grc_mode = tr32(GRC_MODE);
  7421. tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
  7422. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
  7423. !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  7424. ret = tg3_nvram_write_block_buffered(tp, offset, len,
  7425. buf);
  7426. }
  7427. else {
  7428. ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
  7429. buf);
  7430. }
  7431. grc_mode = tr32(GRC_MODE);
  7432. tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
  7433. tg3_disable_nvram_access(tp);
  7434. tg3_nvram_unlock(tp);
  7435. }
  7436. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  7437. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  7438. udelay(40);
  7439. }
  7440. return ret;
  7441. }
  7442. struct subsys_tbl_ent {
  7443. u16 subsys_vendor, subsys_devid;
  7444. u32 phy_id;
  7445. };
  7446. static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
  7447. /* Broadcom boards. */
  7448. { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
  7449. { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
  7450. { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
  7451. { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
  7452. { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
  7453. { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
  7454. { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
  7455. { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
  7456. { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
  7457. { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
  7458. { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
  7459. /* 3com boards. */
  7460. { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
  7461. { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
  7462. { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
  7463. { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
  7464. { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
  7465. /* DELL boards. */
  7466. { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
  7467. { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
  7468. { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
  7469. { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
  7470. /* Compaq boards. */
  7471. { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
  7472. { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
  7473. { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
  7474. { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
  7475. { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
  7476. /* IBM boards. */
  7477. { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
  7478. };
  7479. static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
  7480. {
  7481. int i;
  7482. for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
  7483. if ((subsys_id_to_phy_id[i].subsys_vendor ==
  7484. tp->pdev->subsystem_vendor) &&
  7485. (subsys_id_to_phy_id[i].subsys_devid ==
  7486. tp->pdev->subsystem_device))
  7487. return &subsys_id_to_phy_id[i];
  7488. }
  7489. return NULL;
  7490. }
  7491. /* Since this function may be called in D3-hot power state during
  7492. * tg3_init_one(), only config cycles are allowed.
  7493. */
  7494. static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
  7495. {
  7496. u32 val;
  7497. /* Make sure register accesses (indirect or otherwise)
  7498. * will function correctly.
  7499. */
  7500. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  7501. tp->misc_host_ctrl);
  7502. tp->phy_id = PHY_ID_INVALID;
  7503. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7504. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  7505. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  7506. u32 nic_cfg, led_cfg;
  7507. u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
  7508. int eeprom_phy_serdes = 0;
  7509. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  7510. tp->nic_sram_data_cfg = nic_cfg;
  7511. tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
  7512. ver >>= NIC_SRAM_DATA_VER_SHIFT;
  7513. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  7514. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  7515. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
  7516. (ver > 0) && (ver < 0x100))
  7517. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
  7518. if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
  7519. NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
  7520. eeprom_phy_serdes = 1;
  7521. tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
  7522. if (nic_phy_id != 0) {
  7523. u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
  7524. u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
  7525. eeprom_phy_id = (id1 >> 16) << 10;
  7526. eeprom_phy_id |= (id2 & 0xfc00) << 16;
  7527. eeprom_phy_id |= (id2 & 0x03ff) << 0;
  7528. } else
  7529. eeprom_phy_id = 0;
  7530. tp->phy_id = eeprom_phy_id;
  7531. if (eeprom_phy_serdes) {
  7532. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  7533. tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
  7534. else
  7535. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7536. }
  7537. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7538. led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
  7539. SHASTA_EXT_LED_MODE_MASK);
  7540. else
  7541. led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
  7542. switch (led_cfg) {
  7543. default:
  7544. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
  7545. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7546. break;
  7547. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
  7548. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  7549. break;
  7550. case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
  7551. tp->led_ctrl = LED_CTRL_MODE_MAC;
  7552. /* Default to PHY_1_MODE if 0 (MAC_MODE) is
  7553. * read on some older 5700/5701 bootcode.
  7554. */
  7555. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  7556. ASIC_REV_5700 ||
  7557. GET_ASIC_REV(tp->pci_chip_rev_id) ==
  7558. ASIC_REV_5701)
  7559. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7560. break;
  7561. case SHASTA_EXT_LED_SHARED:
  7562. tp->led_ctrl = LED_CTRL_MODE_SHARED;
  7563. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
  7564. tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
  7565. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  7566. LED_CTRL_MODE_PHY_2);
  7567. break;
  7568. case SHASTA_EXT_LED_MAC:
  7569. tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
  7570. break;
  7571. case SHASTA_EXT_LED_COMBO:
  7572. tp->led_ctrl = LED_CTRL_MODE_COMBO;
  7573. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
  7574. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  7575. LED_CTRL_MODE_PHY_2);
  7576. break;
  7577. };
  7578. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  7579. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
  7580. tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
  7581. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  7582. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  7583. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  7584. (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
  7585. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  7586. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  7587. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  7588. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7589. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  7590. }
  7591. if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
  7592. tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
  7593. if (cfg2 & (1 << 17))
  7594. tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
  7595. /* serdes signal pre-emphasis in register 0x590 set by */
  7596. /* bootcode if bit 18 is set */
  7597. if (cfg2 & (1 << 18))
  7598. tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
  7599. }
  7600. }
  7601. static int __devinit tg3_phy_probe(struct tg3 *tp)
  7602. {
  7603. u32 hw_phy_id_1, hw_phy_id_2;
  7604. u32 hw_phy_id, hw_phy_id_masked;
  7605. int err;
  7606. /* Reading the PHY ID register can conflict with ASF
  7607. * firwmare access to the PHY hardware.
  7608. */
  7609. err = 0;
  7610. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  7611. hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
  7612. } else {
  7613. /* Now read the physical PHY_ID from the chip and verify
  7614. * that it is sane. If it doesn't look good, we fall back
  7615. * to either the hard-coded table based PHY_ID and failing
  7616. * that the value found in the eeprom area.
  7617. */
  7618. err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
  7619. err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
  7620. hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
  7621. hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
  7622. hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
  7623. hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
  7624. }
  7625. if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
  7626. tp->phy_id = hw_phy_id;
  7627. if (hw_phy_id_masked == PHY_ID_BCM8002)
  7628. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7629. else
  7630. tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
  7631. } else {
  7632. if (tp->phy_id != PHY_ID_INVALID) {
  7633. /* Do nothing, phy ID already set up in
  7634. * tg3_get_eeprom_hw_cfg().
  7635. */
  7636. } else {
  7637. struct subsys_tbl_ent *p;
  7638. /* No eeprom signature? Try the hardcoded
  7639. * subsys device table.
  7640. */
  7641. p = lookup_by_subsys(tp);
  7642. if (!p)
  7643. return -ENODEV;
  7644. tp->phy_id = p->phy_id;
  7645. if (!tp->phy_id ||
  7646. tp->phy_id == PHY_ID_BCM8002)
  7647. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7648. }
  7649. }
  7650. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
  7651. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  7652. u32 bmsr, adv_reg, tg3_ctrl;
  7653. tg3_readphy(tp, MII_BMSR, &bmsr);
  7654. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  7655. (bmsr & BMSR_LSTATUS))
  7656. goto skip_phy_reset;
  7657. err = tg3_phy_reset(tp);
  7658. if (err)
  7659. return err;
  7660. adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  7661. ADVERTISE_100HALF | ADVERTISE_100FULL |
  7662. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  7663. tg3_ctrl = 0;
  7664. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  7665. tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
  7666. MII_TG3_CTRL_ADV_1000_FULL);
  7667. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  7668. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  7669. tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
  7670. MII_TG3_CTRL_ENABLE_AS_MASTER);
  7671. }
  7672. if (!tg3_copper_is_advertising_all(tp)) {
  7673. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  7674. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7675. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  7676. tg3_writephy(tp, MII_BMCR,
  7677. BMCR_ANENABLE | BMCR_ANRESTART);
  7678. }
  7679. tg3_phy_set_wirespeed(tp);
  7680. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  7681. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7682. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  7683. }
  7684. skip_phy_reset:
  7685. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  7686. err = tg3_init_5401phy_dsp(tp);
  7687. if (err)
  7688. return err;
  7689. }
  7690. if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
  7691. err = tg3_init_5401phy_dsp(tp);
  7692. }
  7693. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  7694. tp->link_config.advertising =
  7695. (ADVERTISED_1000baseT_Half |
  7696. ADVERTISED_1000baseT_Full |
  7697. ADVERTISED_Autoneg |
  7698. ADVERTISED_FIBRE);
  7699. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  7700. tp->link_config.advertising &=
  7701. ~(ADVERTISED_1000baseT_Half |
  7702. ADVERTISED_1000baseT_Full);
  7703. return err;
  7704. }
  7705. static void __devinit tg3_read_partno(struct tg3 *tp)
  7706. {
  7707. unsigned char vpd_data[256];
  7708. int i;
  7709. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7710. /* Sun decided not to put the necessary bits in the
  7711. * NVRAM of their onboard tg3 parts :(
  7712. */
  7713. strcpy(tp->board_part_number, "Sun 570X");
  7714. return;
  7715. }
  7716. for (i = 0; i < 256; i += 4) {
  7717. u32 tmp;
  7718. if (tg3_nvram_read(tp, 0x100 + i, &tmp))
  7719. goto out_not_found;
  7720. vpd_data[i + 0] = ((tmp >> 0) & 0xff);
  7721. vpd_data[i + 1] = ((tmp >> 8) & 0xff);
  7722. vpd_data[i + 2] = ((tmp >> 16) & 0xff);
  7723. vpd_data[i + 3] = ((tmp >> 24) & 0xff);
  7724. }
  7725. /* Now parse and find the part number. */
  7726. for (i = 0; i < 256; ) {
  7727. unsigned char val = vpd_data[i];
  7728. int block_end;
  7729. if (val == 0x82 || val == 0x91) {
  7730. i = (i + 3 +
  7731. (vpd_data[i + 1] +
  7732. (vpd_data[i + 2] << 8)));
  7733. continue;
  7734. }
  7735. if (val != 0x90)
  7736. goto out_not_found;
  7737. block_end = (i + 3 +
  7738. (vpd_data[i + 1] +
  7739. (vpd_data[i + 2] << 8)));
  7740. i += 3;
  7741. while (i < block_end) {
  7742. if (vpd_data[i + 0] == 'P' &&
  7743. vpd_data[i + 1] == 'N') {
  7744. int partno_len = vpd_data[i + 2];
  7745. if (partno_len > 24)
  7746. goto out_not_found;
  7747. memcpy(tp->board_part_number,
  7748. &vpd_data[i + 3],
  7749. partno_len);
  7750. /* Success. */
  7751. return;
  7752. }
  7753. }
  7754. /* Part number not found. */
  7755. goto out_not_found;
  7756. }
  7757. out_not_found:
  7758. strcpy(tp->board_part_number, "none");
  7759. }
  7760. #ifdef CONFIG_SPARC64
  7761. static int __devinit tg3_is_sun_570X(struct tg3 *tp)
  7762. {
  7763. struct pci_dev *pdev = tp->pdev;
  7764. struct pcidev_cookie *pcp = pdev->sysdata;
  7765. if (pcp != NULL) {
  7766. int node = pcp->prom_node;
  7767. u32 venid;
  7768. int err;
  7769. err = prom_getproperty(node, "subsystem-vendor-id",
  7770. (char *) &venid, sizeof(venid));
  7771. if (err == 0 || err == -1)
  7772. return 0;
  7773. if (venid == PCI_VENDOR_ID_SUN)
  7774. return 1;
  7775. }
  7776. return 0;
  7777. }
  7778. #endif
  7779. static int __devinit tg3_get_invariants(struct tg3 *tp)
  7780. {
  7781. static struct pci_device_id write_reorder_chipsets[] = {
  7782. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  7783. PCI_DEVICE_ID_AMD_FE_GATE_700C) },
  7784. { },
  7785. };
  7786. u32 misc_ctrl_reg;
  7787. u32 cacheline_sz_reg;
  7788. u32 pci_state_reg, grc_misc_cfg;
  7789. u32 val;
  7790. u16 pci_cmd;
  7791. int err;
  7792. #ifdef CONFIG_SPARC64
  7793. if (tg3_is_sun_570X(tp))
  7794. tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
  7795. #endif
  7796. /* If we have an AMD 762 chipset, write
  7797. * reordering to the mailbox registers done by the host
  7798. * controller can cause major troubles. We read back from
  7799. * every mailbox register write to force the writes to be
  7800. * posted to the chip in order.
  7801. */
  7802. if (pci_dev_present(write_reorder_chipsets))
  7803. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  7804. /* Force memory write invalidate off. If we leave it on,
  7805. * then on 5700_BX chips we have to enable a workaround.
  7806. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
  7807. * to match the cacheline size. The Broadcom driver have this
  7808. * workaround but turns MWI off all the times so never uses
  7809. * it. This seems to suggest that the workaround is insufficient.
  7810. */
  7811. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  7812. pci_cmd &= ~PCI_COMMAND_INVALIDATE;
  7813. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  7814. /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
  7815. * has the register indirect write enable bit set before
  7816. * we try to access any of the MMIO registers. It is also
  7817. * critical that the PCI-X hw workaround situation is decided
  7818. * before that as well.
  7819. */
  7820. pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  7821. &misc_ctrl_reg);
  7822. tp->pci_chip_rev_id = (misc_ctrl_reg >>
  7823. MISC_HOST_CTRL_CHIPREV_SHIFT);
  7824. /* Wrong chip ID in 5752 A0. This code can be removed later
  7825. * as A0 is not in production.
  7826. */
  7827. if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
  7828. tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
  7829. /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
  7830. * we need to disable memory and use config. cycles
  7831. * only to access all registers. The 5702/03 chips
  7832. * can mistakenly decode the special cycles from the
  7833. * ICH chipsets as memory write cycles, causing corruption
  7834. * of register and memory space. Only certain ICH bridges
  7835. * will drive special cycles with non-zero data during the
  7836. * address phase which can fall within the 5703's address
  7837. * range. This is not an ICH bug as the PCI spec allows
  7838. * non-zero address during special cycles. However, only
  7839. * these ICH bridges are known to drive non-zero addresses
  7840. * during special cycles.
  7841. *
  7842. * Since special cycles do not cross PCI bridges, we only
  7843. * enable this workaround if the 5703 is on the secondary
  7844. * bus of these ICH bridges.
  7845. */
  7846. if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
  7847. (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
  7848. static struct tg3_dev_id {
  7849. u32 vendor;
  7850. u32 device;
  7851. u32 rev;
  7852. } ich_chipsets[] = {
  7853. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
  7854. PCI_ANY_ID },
  7855. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
  7856. PCI_ANY_ID },
  7857. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
  7858. 0xa },
  7859. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
  7860. PCI_ANY_ID },
  7861. { },
  7862. };
  7863. struct tg3_dev_id *pci_id = &ich_chipsets[0];
  7864. struct pci_dev *bridge = NULL;
  7865. while (pci_id->vendor != 0) {
  7866. bridge = pci_get_device(pci_id->vendor, pci_id->device,
  7867. bridge);
  7868. if (!bridge) {
  7869. pci_id++;
  7870. continue;
  7871. }
  7872. if (pci_id->rev != PCI_ANY_ID) {
  7873. u8 rev;
  7874. pci_read_config_byte(bridge, PCI_REVISION_ID,
  7875. &rev);
  7876. if (rev > pci_id->rev)
  7877. continue;
  7878. }
  7879. if (bridge->subordinate &&
  7880. (bridge->subordinate->number ==
  7881. tp->pdev->bus->number)) {
  7882. tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
  7883. pci_dev_put(bridge);
  7884. break;
  7885. }
  7886. }
  7887. }
  7888. /* Find msi capability. */
  7889. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  7890. tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
  7891. /* Initialize misc host control in PCI block. */
  7892. tp->misc_host_ctrl |= (misc_ctrl_reg &
  7893. MISC_HOST_CTRL_CHIPREV);
  7894. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  7895. tp->misc_host_ctrl);
  7896. pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  7897. &cacheline_sz_reg);
  7898. tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
  7899. tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
  7900. tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
  7901. tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
  7902. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  7903. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  7904. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  7905. tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
  7906. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
  7907. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  7908. tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
  7909. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7910. tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
  7911. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
  7912. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
  7913. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
  7914. tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
  7915. if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
  7916. tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
  7917. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  7918. tp->pci_lat_timer < 64) {
  7919. tp->pci_lat_timer = 64;
  7920. cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
  7921. cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
  7922. cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
  7923. cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
  7924. pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  7925. cacheline_sz_reg);
  7926. }
  7927. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  7928. &pci_state_reg);
  7929. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
  7930. tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
  7931. /* If this is a 5700 BX chipset, and we are in PCI-X
  7932. * mode, enable register write workaround.
  7933. *
  7934. * The workaround is to use indirect register accesses
  7935. * for all chip writes not to mailbox registers.
  7936. */
  7937. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
  7938. u32 pm_reg;
  7939. u16 pci_cmd;
  7940. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  7941. /* The chip can have it's power management PCI config
  7942. * space registers clobbered due to this bug.
  7943. * So explicitly force the chip into D0 here.
  7944. */
  7945. pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  7946. &pm_reg);
  7947. pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
  7948. pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
  7949. pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  7950. pm_reg);
  7951. /* Also, force SERR#/PERR# in PCI command. */
  7952. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  7953. pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
  7954. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  7955. }
  7956. }
  7957. /* 5700 BX chips need to have their TX producer index mailboxes
  7958. * written twice to workaround a bug.
  7959. */
  7960. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
  7961. tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
  7962. /* Back to back register writes can cause problems on this chip,
  7963. * the workaround is to read back all reg writes except those to
  7964. * mailbox regs. See tg3_write_indirect_reg32().
  7965. *
  7966. * PCI Express 5750_A0 rev chips need this workaround too.
  7967. */
  7968. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  7969. ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  7970. tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
  7971. tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
  7972. if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
  7973. tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
  7974. if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
  7975. tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
  7976. /* Chip-specific fixup from Broadcom driver */
  7977. if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
  7978. (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
  7979. pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
  7980. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
  7981. }
  7982. /* Default fast path register access methods */
  7983. tp->read32 = tg3_read32;
  7984. tp->write32 = tg3_write32;
  7985. tp->read32_mbox = tg3_read32;
  7986. tp->write32_mbox = tg3_write32;
  7987. tp->write32_tx_mbox = tg3_write32;
  7988. tp->write32_rx_mbox = tg3_write32;
  7989. /* Various workaround register access methods */
  7990. if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
  7991. tp->write32 = tg3_write_indirect_reg32;
  7992. else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
  7993. tp->write32 = tg3_write_flush_reg32;
  7994. if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
  7995. (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
  7996. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  7997. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  7998. tp->write32_rx_mbox = tg3_write_flush_reg32;
  7999. }
  8000. if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
  8001. tp->read32 = tg3_read_indirect_reg32;
  8002. tp->write32 = tg3_write_indirect_reg32;
  8003. tp->read32_mbox = tg3_read_indirect_mbox;
  8004. tp->write32_mbox = tg3_write_indirect_mbox;
  8005. tp->write32_tx_mbox = tg3_write_indirect_mbox;
  8006. tp->write32_rx_mbox = tg3_write_indirect_mbox;
  8007. iounmap(tp->regs);
  8008. tp->regs = 0;
  8009. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  8010. pci_cmd &= ~PCI_COMMAND_MEMORY;
  8011. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  8012. }
  8013. /* Get eeprom hw config before calling tg3_set_power_state().
  8014. * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
  8015. * determined before calling tg3_set_power_state() so that
  8016. * we know whether or not to switch out of Vaux power.
  8017. * When the flag is set, it means that GPIO1 is used for eeprom
  8018. * write protect and also implies that it is a LOM where GPIOs
  8019. * are not used to switch power.
  8020. */
  8021. tg3_get_eeprom_hw_cfg(tp);
  8022. /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
  8023. * GPIO1 driven high will bring 5700's external PHY out of reset.
  8024. * It is also used as eeprom write protect on LOMs.
  8025. */
  8026. tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
  8027. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  8028. (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  8029. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  8030. GRC_LCLCTRL_GPIO_OUTPUT1);
  8031. /* Unused GPIO3 must be driven as output on 5752 because there
  8032. * are no pull-up resistors on unused GPIO pins.
  8033. */
  8034. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  8035. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  8036. /* Force the chip into D0. */
  8037. err = tg3_set_power_state(tp, 0);
  8038. if (err) {
  8039. printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
  8040. pci_name(tp->pdev));
  8041. return err;
  8042. }
  8043. /* 5700 B0 chips do not support checksumming correctly due
  8044. * to hardware bugs.
  8045. */
  8046. if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
  8047. tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
  8048. /* Pseudo-header checksum is done by hardware logic and not
  8049. * the offload processers, so make the chip do the pseudo-
  8050. * header checksums on receive. For transmit it is more
  8051. * convenient to do the pseudo-header checksum in software
  8052. * as Linux does that on transmit for us in all cases.
  8053. */
  8054. tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
  8055. tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
  8056. /* Derive initial jumbo mode from MTU assigned in
  8057. * ether_setup() via the alloc_etherdev() call
  8058. */
  8059. if (tp->dev->mtu > ETH_DATA_LEN &&
  8060. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780)
  8061. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  8062. /* Determine WakeOnLan speed to use. */
  8063. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8064. tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  8065. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
  8066. tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
  8067. tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
  8068. } else {
  8069. tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
  8070. }
  8071. /* A few boards don't want Ethernet@WireSpeed phy feature */
  8072. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  8073. ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  8074. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
  8075. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
  8076. (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  8077. tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
  8078. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
  8079. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
  8080. tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
  8081. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
  8082. tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
  8083. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  8084. tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
  8085. tp->coalesce_mode = 0;
  8086. if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
  8087. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
  8088. tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
  8089. /* Initialize MAC MI mode, polling disabled. */
  8090. tw32_f(MAC_MI_MODE, tp->mi_mode);
  8091. udelay(80);
  8092. /* Initialize data/descriptor byte/word swapping. */
  8093. val = tr32(GRC_MODE);
  8094. val &= GRC_MODE_HOST_STACKUP;
  8095. tw32(GRC_MODE, val | tp->grc_mode);
  8096. tg3_switch_clocks(tp);
  8097. /* Clear this out for sanity. */
  8098. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  8099. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  8100. &pci_state_reg);
  8101. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
  8102. (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
  8103. u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
  8104. if (chiprevid == CHIPREV_ID_5701_A0 ||
  8105. chiprevid == CHIPREV_ID_5701_B0 ||
  8106. chiprevid == CHIPREV_ID_5701_B2 ||
  8107. chiprevid == CHIPREV_ID_5701_B5) {
  8108. void __iomem *sram_base;
  8109. /* Write some dummy words into the SRAM status block
  8110. * area, see if it reads back correctly. If the return
  8111. * value is bad, force enable the PCIX workaround.
  8112. */
  8113. sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
  8114. writel(0x00000000, sram_base);
  8115. writel(0x00000000, sram_base + 4);
  8116. writel(0xffffffff, sram_base + 4);
  8117. if (readl(sram_base) != 0x00000000)
  8118. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  8119. }
  8120. }
  8121. udelay(50);
  8122. tg3_nvram_init(tp);
  8123. grc_misc_cfg = tr32(GRC_MISC_CFG);
  8124. grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
  8125. /* Broadcom's driver says that CIOBE multisplit has a bug */
  8126. #if 0
  8127. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  8128. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
  8129. tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
  8130. tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
  8131. }
  8132. #endif
  8133. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  8134. (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
  8135. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
  8136. tp->tg3_flags2 |= TG3_FLG2_IS_5788;
  8137. if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  8138. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
  8139. tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
  8140. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  8141. tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
  8142. HOSTCC_MODE_CLRTICK_TXBD);
  8143. tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
  8144. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8145. tp->misc_host_ctrl);
  8146. }
  8147. /* these are limited to 10/100 only */
  8148. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  8149. (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
  8150. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  8151. tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  8152. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
  8153. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
  8154. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
  8155. (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  8156. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
  8157. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)))
  8158. tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
  8159. err = tg3_phy_probe(tp);
  8160. if (err) {
  8161. printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
  8162. pci_name(tp->pdev), err);
  8163. /* ... but do not return immediately ... */
  8164. }
  8165. tg3_read_partno(tp);
  8166. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  8167. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  8168. } else {
  8169. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  8170. tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
  8171. else
  8172. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  8173. }
  8174. /* 5700 {AX,BX} chips have a broken status block link
  8175. * change bit implementation, so we must use the
  8176. * status register in those cases.
  8177. */
  8178. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  8179. tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
  8180. else
  8181. tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
  8182. /* The led_ctrl is set during tg3_phy_probe, here we might
  8183. * have to force the link status polling mechanism based
  8184. * upon subsystem IDs.
  8185. */
  8186. if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
  8187. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  8188. tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
  8189. TG3_FLAG_USE_LINKCHG_REG);
  8190. }
  8191. /* For all SERDES we poll the MAC status register. */
  8192. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  8193. tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
  8194. else
  8195. tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
  8196. /* It seems all chips can get confused if TX buffers
  8197. * straddle the 4GB address boundary in some cases.
  8198. */
  8199. tp->dev->hard_start_xmit = tg3_start_xmit;
  8200. tp->rx_offset = 2;
  8201. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  8202. (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
  8203. tp->rx_offset = 0;
  8204. /* By default, disable wake-on-lan. User can change this
  8205. * using ETHTOOL_SWOL.
  8206. */
  8207. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  8208. return err;
  8209. }
  8210. #ifdef CONFIG_SPARC64
  8211. static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
  8212. {
  8213. struct net_device *dev = tp->dev;
  8214. struct pci_dev *pdev = tp->pdev;
  8215. struct pcidev_cookie *pcp = pdev->sysdata;
  8216. if (pcp != NULL) {
  8217. int node = pcp->prom_node;
  8218. if (prom_getproplen(node, "local-mac-address") == 6) {
  8219. prom_getproperty(node, "local-mac-address",
  8220. dev->dev_addr, 6);
  8221. return 0;
  8222. }
  8223. }
  8224. return -ENODEV;
  8225. }
  8226. static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
  8227. {
  8228. struct net_device *dev = tp->dev;
  8229. memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
  8230. return 0;
  8231. }
  8232. #endif
  8233. static int __devinit tg3_get_device_address(struct tg3 *tp)
  8234. {
  8235. struct net_device *dev = tp->dev;
  8236. u32 hi, lo, mac_offset;
  8237. #ifdef CONFIG_SPARC64
  8238. if (!tg3_get_macaddr_sparc(tp))
  8239. return 0;
  8240. #endif
  8241. mac_offset = 0x7c;
  8242. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  8243. !(tp->tg3_flags & TG3_FLG2_SUN_570X)) ||
  8244. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  8245. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  8246. mac_offset = 0xcc;
  8247. if (tg3_nvram_lock(tp))
  8248. tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
  8249. else
  8250. tg3_nvram_unlock(tp);
  8251. }
  8252. /* First try to get it from MAC address mailbox. */
  8253. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
  8254. if ((hi >> 16) == 0x484b) {
  8255. dev->dev_addr[0] = (hi >> 8) & 0xff;
  8256. dev->dev_addr[1] = (hi >> 0) & 0xff;
  8257. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
  8258. dev->dev_addr[2] = (lo >> 24) & 0xff;
  8259. dev->dev_addr[3] = (lo >> 16) & 0xff;
  8260. dev->dev_addr[4] = (lo >> 8) & 0xff;
  8261. dev->dev_addr[5] = (lo >> 0) & 0xff;
  8262. }
  8263. /* Next, try NVRAM. */
  8264. else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
  8265. !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
  8266. !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
  8267. dev->dev_addr[0] = ((hi >> 16) & 0xff);
  8268. dev->dev_addr[1] = ((hi >> 24) & 0xff);
  8269. dev->dev_addr[2] = ((lo >> 0) & 0xff);
  8270. dev->dev_addr[3] = ((lo >> 8) & 0xff);
  8271. dev->dev_addr[4] = ((lo >> 16) & 0xff);
  8272. dev->dev_addr[5] = ((lo >> 24) & 0xff);
  8273. }
  8274. /* Finally just fetch it out of the MAC control regs. */
  8275. else {
  8276. hi = tr32(MAC_ADDR_0_HIGH);
  8277. lo = tr32(MAC_ADDR_0_LOW);
  8278. dev->dev_addr[5] = lo & 0xff;
  8279. dev->dev_addr[4] = (lo >> 8) & 0xff;
  8280. dev->dev_addr[3] = (lo >> 16) & 0xff;
  8281. dev->dev_addr[2] = (lo >> 24) & 0xff;
  8282. dev->dev_addr[1] = hi & 0xff;
  8283. dev->dev_addr[0] = (hi >> 8) & 0xff;
  8284. }
  8285. if (!is_valid_ether_addr(&dev->dev_addr[0])) {
  8286. #ifdef CONFIG_SPARC64
  8287. if (!tg3_get_default_macaddr_sparc(tp))
  8288. return 0;
  8289. #endif
  8290. return -EINVAL;
  8291. }
  8292. return 0;
  8293. }
  8294. #define BOUNDARY_SINGLE_CACHELINE 1
  8295. #define BOUNDARY_MULTI_CACHELINE 2
  8296. static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
  8297. {
  8298. int cacheline_size;
  8299. u8 byte;
  8300. int goal;
  8301. pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
  8302. if (byte == 0)
  8303. cacheline_size = 1024;
  8304. else
  8305. cacheline_size = (int) byte * 4;
  8306. /* On 5703 and later chips, the boundary bits have no
  8307. * effect.
  8308. */
  8309. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  8310. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
  8311. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  8312. goto out;
  8313. #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
  8314. goal = BOUNDARY_MULTI_CACHELINE;
  8315. #else
  8316. #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
  8317. goal = BOUNDARY_SINGLE_CACHELINE;
  8318. #else
  8319. goal = 0;
  8320. #endif
  8321. #endif
  8322. if (!goal)
  8323. goto out;
  8324. /* PCI controllers on most RISC systems tend to disconnect
  8325. * when a device tries to burst across a cache-line boundary.
  8326. * Therefore, letting tg3 do so just wastes PCI bandwidth.
  8327. *
  8328. * Unfortunately, for PCI-E there are only limited
  8329. * write-side controls for this, and thus for reads
  8330. * we will still get the disconnects. We'll also waste
  8331. * these PCI cycles for both read and write for chips
  8332. * other than 5700 and 5701 which do not implement the
  8333. * boundary bits.
  8334. */
  8335. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  8336. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  8337. switch (cacheline_size) {
  8338. case 16:
  8339. case 32:
  8340. case 64:
  8341. case 128:
  8342. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8343. val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
  8344. DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
  8345. } else {
  8346. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  8347. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  8348. }
  8349. break;
  8350. case 256:
  8351. val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
  8352. DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
  8353. break;
  8354. default:
  8355. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  8356. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  8357. break;
  8358. };
  8359. } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  8360. switch (cacheline_size) {
  8361. case 16:
  8362. case 32:
  8363. case 64:
  8364. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8365. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  8366. val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
  8367. break;
  8368. }
  8369. /* fallthrough */
  8370. case 128:
  8371. default:
  8372. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  8373. val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
  8374. break;
  8375. };
  8376. } else {
  8377. switch (cacheline_size) {
  8378. case 16:
  8379. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8380. val |= (DMA_RWCTRL_READ_BNDRY_16 |
  8381. DMA_RWCTRL_WRITE_BNDRY_16);
  8382. break;
  8383. }
  8384. /* fallthrough */
  8385. case 32:
  8386. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8387. val |= (DMA_RWCTRL_READ_BNDRY_32 |
  8388. DMA_RWCTRL_WRITE_BNDRY_32);
  8389. break;
  8390. }
  8391. /* fallthrough */
  8392. case 64:
  8393. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8394. val |= (DMA_RWCTRL_READ_BNDRY_64 |
  8395. DMA_RWCTRL_WRITE_BNDRY_64);
  8396. break;
  8397. }
  8398. /* fallthrough */
  8399. case 128:
  8400. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8401. val |= (DMA_RWCTRL_READ_BNDRY_128 |
  8402. DMA_RWCTRL_WRITE_BNDRY_128);
  8403. break;
  8404. }
  8405. /* fallthrough */
  8406. case 256:
  8407. val |= (DMA_RWCTRL_READ_BNDRY_256 |
  8408. DMA_RWCTRL_WRITE_BNDRY_256);
  8409. break;
  8410. case 512:
  8411. val |= (DMA_RWCTRL_READ_BNDRY_512 |
  8412. DMA_RWCTRL_WRITE_BNDRY_512);
  8413. break;
  8414. case 1024:
  8415. default:
  8416. val |= (DMA_RWCTRL_READ_BNDRY_1024 |
  8417. DMA_RWCTRL_WRITE_BNDRY_1024);
  8418. break;
  8419. };
  8420. }
  8421. out:
  8422. return val;
  8423. }
  8424. static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
  8425. {
  8426. struct tg3_internal_buffer_desc test_desc;
  8427. u32 sram_dma_descs;
  8428. int i, ret;
  8429. sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
  8430. tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
  8431. tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
  8432. tw32(RDMAC_STATUS, 0);
  8433. tw32(WDMAC_STATUS, 0);
  8434. tw32(BUFMGR_MODE, 0);
  8435. tw32(FTQ_RESET, 0);
  8436. test_desc.addr_hi = ((u64) buf_dma) >> 32;
  8437. test_desc.addr_lo = buf_dma & 0xffffffff;
  8438. test_desc.nic_mbuf = 0x00002100;
  8439. test_desc.len = size;
  8440. /*
  8441. * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
  8442. * the *second* time the tg3 driver was getting loaded after an
  8443. * initial scan.
  8444. *
  8445. * Broadcom tells me:
  8446. * ...the DMA engine is connected to the GRC block and a DMA
  8447. * reset may affect the GRC block in some unpredictable way...
  8448. * The behavior of resets to individual blocks has not been tested.
  8449. *
  8450. * Broadcom noted the GRC reset will also reset all sub-components.
  8451. */
  8452. if (to_device) {
  8453. test_desc.cqid_sqid = (13 << 8) | 2;
  8454. tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
  8455. udelay(40);
  8456. } else {
  8457. test_desc.cqid_sqid = (16 << 8) | 7;
  8458. tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
  8459. udelay(40);
  8460. }
  8461. test_desc.flags = 0x00000005;
  8462. for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
  8463. u32 val;
  8464. val = *(((u32 *)&test_desc) + i);
  8465. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
  8466. sram_dma_descs + (i * sizeof(u32)));
  8467. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  8468. }
  8469. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  8470. if (to_device) {
  8471. tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
  8472. } else {
  8473. tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
  8474. }
  8475. ret = -ENODEV;
  8476. for (i = 0; i < 40; i++) {
  8477. u32 val;
  8478. if (to_device)
  8479. val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
  8480. else
  8481. val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
  8482. if ((val & 0xffff) == sram_dma_descs) {
  8483. ret = 0;
  8484. break;
  8485. }
  8486. udelay(100);
  8487. }
  8488. return ret;
  8489. }
  8490. #define TEST_BUFFER_SIZE 0x2000
  8491. static int __devinit tg3_test_dma(struct tg3 *tp)
  8492. {
  8493. dma_addr_t buf_dma;
  8494. u32 *buf, saved_dma_rwctrl;
  8495. int ret;
  8496. buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
  8497. if (!buf) {
  8498. ret = -ENOMEM;
  8499. goto out_nofree;
  8500. }
  8501. tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
  8502. (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
  8503. tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
  8504. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  8505. /* DMA read watermark not used on PCIE */
  8506. tp->dma_rwctrl |= 0x00180000;
  8507. } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  8508. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
  8509. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
  8510. tp->dma_rwctrl |= 0x003f0000;
  8511. else
  8512. tp->dma_rwctrl |= 0x003f000f;
  8513. } else {
  8514. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  8515. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  8516. u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
  8517. if (ccval == 0x6 || ccval == 0x7)
  8518. tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
  8519. /* Set bit 23 to enable PCIX hw bug fix */
  8520. tp->dma_rwctrl |= 0x009f0000;
  8521. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  8522. /* 5780 always in PCIX mode */
  8523. tp->dma_rwctrl |= 0x00144000;
  8524. } else {
  8525. tp->dma_rwctrl |= 0x001b000f;
  8526. }
  8527. }
  8528. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  8529. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  8530. tp->dma_rwctrl &= 0xfffffff0;
  8531. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8532. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  8533. /* Remove this if it causes problems for some boards. */
  8534. tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
  8535. /* On 5700/5701 chips, we need to set this bit.
  8536. * Otherwise the chip will issue cacheline transactions
  8537. * to streamable DMA memory with not all the byte
  8538. * enables turned on. This is an error on several
  8539. * RISC PCI controllers, in particular sparc64.
  8540. *
  8541. * On 5703/5704 chips, this bit has been reassigned
  8542. * a different meaning. In particular, it is used
  8543. * on those chips to enable a PCI-X workaround.
  8544. */
  8545. tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
  8546. }
  8547. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8548. #if 0
  8549. /* Unneeded, already done by tg3_get_invariants. */
  8550. tg3_switch_clocks(tp);
  8551. #endif
  8552. ret = 0;
  8553. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  8554. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  8555. goto out;
  8556. /* It is best to perform DMA test with maximum write burst size
  8557. * to expose the 5700/5701 write DMA bug.
  8558. */
  8559. saved_dma_rwctrl = tp->dma_rwctrl;
  8560. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8561. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8562. while (1) {
  8563. u32 *p = buf, i;
  8564. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
  8565. p[i] = i;
  8566. /* Send the buffer to the chip. */
  8567. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
  8568. if (ret) {
  8569. printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
  8570. break;
  8571. }
  8572. #if 0
  8573. /* validate data reached card RAM correctly. */
  8574. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  8575. u32 val;
  8576. tg3_read_mem(tp, 0x2100 + (i*4), &val);
  8577. if (le32_to_cpu(val) != p[i]) {
  8578. printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
  8579. /* ret = -ENODEV here? */
  8580. }
  8581. p[i] = 0;
  8582. }
  8583. #endif
  8584. /* Now read it back. */
  8585. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
  8586. if (ret) {
  8587. printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
  8588. break;
  8589. }
  8590. /* Verify it. */
  8591. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  8592. if (p[i] == i)
  8593. continue;
  8594. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  8595. DMA_RWCTRL_WRITE_BNDRY_16) {
  8596. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8597. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  8598. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8599. break;
  8600. } else {
  8601. printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
  8602. ret = -ENODEV;
  8603. goto out;
  8604. }
  8605. }
  8606. if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
  8607. /* Success. */
  8608. ret = 0;
  8609. break;
  8610. }
  8611. }
  8612. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  8613. DMA_RWCTRL_WRITE_BNDRY_16) {
  8614. static struct pci_device_id dma_wait_state_chipsets[] = {
  8615. { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
  8616. PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
  8617. { },
  8618. };
  8619. /* DMA test passed without adjusting DMA boundary,
  8620. * now look for chipsets that are known to expose the
  8621. * DMA bug without failing the test.
  8622. */
  8623. if (pci_dev_present(dma_wait_state_chipsets)) {
  8624. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8625. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  8626. }
  8627. else
  8628. /* Safe to use the calculated DMA boundary. */
  8629. tp->dma_rwctrl = saved_dma_rwctrl;
  8630. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8631. }
  8632. out:
  8633. pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
  8634. out_nofree:
  8635. return ret;
  8636. }
  8637. static void __devinit tg3_init_link_config(struct tg3 *tp)
  8638. {
  8639. tp->link_config.advertising =
  8640. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  8641. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  8642. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  8643. ADVERTISED_Autoneg | ADVERTISED_MII);
  8644. tp->link_config.speed = SPEED_INVALID;
  8645. tp->link_config.duplex = DUPLEX_INVALID;
  8646. tp->link_config.autoneg = AUTONEG_ENABLE;
  8647. netif_carrier_off(tp->dev);
  8648. tp->link_config.active_speed = SPEED_INVALID;
  8649. tp->link_config.active_duplex = DUPLEX_INVALID;
  8650. tp->link_config.phy_is_low_power = 0;
  8651. tp->link_config.orig_speed = SPEED_INVALID;
  8652. tp->link_config.orig_duplex = DUPLEX_INVALID;
  8653. tp->link_config.orig_autoneg = AUTONEG_INVALID;
  8654. }
  8655. static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
  8656. {
  8657. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8658. tp->bufmgr_config.mbuf_read_dma_low_water =
  8659. DEFAULT_MB_RDMA_LOW_WATER_5705;
  8660. tp->bufmgr_config.mbuf_mac_rx_low_water =
  8661. DEFAULT_MB_MACRX_LOW_WATER_5705;
  8662. tp->bufmgr_config.mbuf_high_water =
  8663. DEFAULT_MB_HIGH_WATER_5705;
  8664. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  8665. DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
  8666. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  8667. DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
  8668. tp->bufmgr_config.mbuf_high_water_jumbo =
  8669. DEFAULT_MB_HIGH_WATER_JUMBO_5780;
  8670. } else {
  8671. tp->bufmgr_config.mbuf_read_dma_low_water =
  8672. DEFAULT_MB_RDMA_LOW_WATER;
  8673. tp->bufmgr_config.mbuf_mac_rx_low_water =
  8674. DEFAULT_MB_MACRX_LOW_WATER;
  8675. tp->bufmgr_config.mbuf_high_water =
  8676. DEFAULT_MB_HIGH_WATER;
  8677. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  8678. DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
  8679. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  8680. DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
  8681. tp->bufmgr_config.mbuf_high_water_jumbo =
  8682. DEFAULT_MB_HIGH_WATER_JUMBO;
  8683. }
  8684. tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
  8685. tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
  8686. }
  8687. static char * __devinit tg3_phy_string(struct tg3 *tp)
  8688. {
  8689. switch (tp->phy_id & PHY_ID_MASK) {
  8690. case PHY_ID_BCM5400: return "5400";
  8691. case PHY_ID_BCM5401: return "5401";
  8692. case PHY_ID_BCM5411: return "5411";
  8693. case PHY_ID_BCM5701: return "5701";
  8694. case PHY_ID_BCM5703: return "5703";
  8695. case PHY_ID_BCM5704: return "5704";
  8696. case PHY_ID_BCM5705: return "5705";
  8697. case PHY_ID_BCM5750: return "5750";
  8698. case PHY_ID_BCM5752: return "5752";
  8699. case PHY_ID_BCM5780: return "5780";
  8700. case PHY_ID_BCM8002: return "8002/serdes";
  8701. case 0: return "serdes";
  8702. default: return "unknown";
  8703. };
  8704. }
  8705. static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
  8706. {
  8707. struct pci_dev *peer;
  8708. unsigned int func, devnr = tp->pdev->devfn & ~7;
  8709. for (func = 0; func < 8; func++) {
  8710. peer = pci_get_slot(tp->pdev->bus, devnr | func);
  8711. if (peer && peer != tp->pdev)
  8712. break;
  8713. pci_dev_put(peer);
  8714. }
  8715. if (!peer || peer == tp->pdev)
  8716. BUG();
  8717. /*
  8718. * We don't need to keep the refcount elevated; there's no way
  8719. * to remove one half of this device without removing the other
  8720. */
  8721. pci_dev_put(peer);
  8722. return peer;
  8723. }
  8724. static void __devinit tg3_init_coal(struct tg3 *tp)
  8725. {
  8726. struct ethtool_coalesce *ec = &tp->coal;
  8727. memset(ec, 0, sizeof(*ec));
  8728. ec->cmd = ETHTOOL_GCOALESCE;
  8729. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
  8730. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
  8731. ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
  8732. ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
  8733. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
  8734. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
  8735. ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
  8736. ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
  8737. ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
  8738. if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
  8739. HOSTCC_MODE_CLRTICK_TXBD)) {
  8740. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
  8741. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
  8742. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
  8743. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
  8744. }
  8745. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8746. ec->rx_coalesce_usecs_irq = 0;
  8747. ec->tx_coalesce_usecs_irq = 0;
  8748. ec->stats_block_coalesce_usecs = 0;
  8749. }
  8750. }
  8751. static int __devinit tg3_init_one(struct pci_dev *pdev,
  8752. const struct pci_device_id *ent)
  8753. {
  8754. static int tg3_version_printed = 0;
  8755. unsigned long tg3reg_base, tg3reg_len;
  8756. struct net_device *dev;
  8757. struct tg3 *tp;
  8758. int i, err, pci_using_dac, pm_cap;
  8759. if (tg3_version_printed++ == 0)
  8760. printk(KERN_INFO "%s", version);
  8761. err = pci_enable_device(pdev);
  8762. if (err) {
  8763. printk(KERN_ERR PFX "Cannot enable PCI device, "
  8764. "aborting.\n");
  8765. return err;
  8766. }
  8767. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  8768. printk(KERN_ERR PFX "Cannot find proper PCI device "
  8769. "base address, aborting.\n");
  8770. err = -ENODEV;
  8771. goto err_out_disable_pdev;
  8772. }
  8773. err = pci_request_regions(pdev, DRV_MODULE_NAME);
  8774. if (err) {
  8775. printk(KERN_ERR PFX "Cannot obtain PCI resources, "
  8776. "aborting.\n");
  8777. goto err_out_disable_pdev;
  8778. }
  8779. pci_set_master(pdev);
  8780. /* Find power-management capability. */
  8781. pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  8782. if (pm_cap == 0) {
  8783. printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
  8784. "aborting.\n");
  8785. err = -EIO;
  8786. goto err_out_free_res;
  8787. }
  8788. /* Configure DMA attributes. */
  8789. err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
  8790. if (!err) {
  8791. pci_using_dac = 1;
  8792. err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
  8793. if (err < 0) {
  8794. printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
  8795. "for consistent allocations\n");
  8796. goto err_out_free_res;
  8797. }
  8798. } else {
  8799. err = pci_set_dma_mask(pdev, 0xffffffffULL);
  8800. if (err) {
  8801. printk(KERN_ERR PFX "No usable DMA configuration, "
  8802. "aborting.\n");
  8803. goto err_out_free_res;
  8804. }
  8805. pci_using_dac = 0;
  8806. }
  8807. tg3reg_base = pci_resource_start(pdev, 0);
  8808. tg3reg_len = pci_resource_len(pdev, 0);
  8809. dev = alloc_etherdev(sizeof(*tp));
  8810. if (!dev) {
  8811. printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
  8812. err = -ENOMEM;
  8813. goto err_out_free_res;
  8814. }
  8815. SET_MODULE_OWNER(dev);
  8816. SET_NETDEV_DEV(dev, &pdev->dev);
  8817. if (pci_using_dac)
  8818. dev->features |= NETIF_F_HIGHDMA;
  8819. dev->features |= NETIF_F_LLTX;
  8820. #if TG3_VLAN_TAG_USED
  8821. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  8822. dev->vlan_rx_register = tg3_vlan_rx_register;
  8823. dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
  8824. #endif
  8825. tp = netdev_priv(dev);
  8826. tp->pdev = pdev;
  8827. tp->dev = dev;
  8828. tp->pm_cap = pm_cap;
  8829. tp->mac_mode = TG3_DEF_MAC_MODE;
  8830. tp->rx_mode = TG3_DEF_RX_MODE;
  8831. tp->tx_mode = TG3_DEF_TX_MODE;
  8832. tp->mi_mode = MAC_MI_MODE_BASE;
  8833. if (tg3_debug > 0)
  8834. tp->msg_enable = tg3_debug;
  8835. else
  8836. tp->msg_enable = TG3_DEF_MSG_ENABLE;
  8837. /* The word/byte swap controls here control register access byte
  8838. * swapping. DMA data byte swapping is controlled in the GRC_MODE
  8839. * setting below.
  8840. */
  8841. tp->misc_host_ctrl =
  8842. MISC_HOST_CTRL_MASK_PCI_INT |
  8843. MISC_HOST_CTRL_WORD_SWAP |
  8844. MISC_HOST_CTRL_INDIR_ACCESS |
  8845. MISC_HOST_CTRL_PCISTATE_RW;
  8846. /* The NONFRM (non-frame) byte/word swap controls take effect
  8847. * on descriptor entries, anything which isn't packet data.
  8848. *
  8849. * The StrongARM chips on the board (one for tx, one for rx)
  8850. * are running in big-endian mode.
  8851. */
  8852. tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
  8853. GRC_MODE_WSWAP_NONFRM_DATA);
  8854. #ifdef __BIG_ENDIAN
  8855. tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
  8856. #endif
  8857. spin_lock_init(&tp->lock);
  8858. spin_lock_init(&tp->tx_lock);
  8859. spin_lock_init(&tp->indirect_lock);
  8860. INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
  8861. tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
  8862. if (tp->regs == 0UL) {
  8863. printk(KERN_ERR PFX "Cannot map device registers, "
  8864. "aborting.\n");
  8865. err = -ENOMEM;
  8866. goto err_out_free_dev;
  8867. }
  8868. tg3_init_link_config(tp);
  8869. tp->rx_pending = TG3_DEF_RX_RING_PENDING;
  8870. tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
  8871. tp->tx_pending = TG3_DEF_TX_RING_PENDING;
  8872. dev->open = tg3_open;
  8873. dev->stop = tg3_close;
  8874. dev->get_stats = tg3_get_stats;
  8875. dev->set_multicast_list = tg3_set_rx_mode;
  8876. dev->set_mac_address = tg3_set_mac_addr;
  8877. dev->do_ioctl = tg3_ioctl;
  8878. dev->tx_timeout = tg3_tx_timeout;
  8879. dev->poll = tg3_poll;
  8880. dev->ethtool_ops = &tg3_ethtool_ops;
  8881. dev->weight = 64;
  8882. dev->watchdog_timeo = TG3_TX_TIMEOUT;
  8883. dev->change_mtu = tg3_change_mtu;
  8884. dev->irq = pdev->irq;
  8885. #ifdef CONFIG_NET_POLL_CONTROLLER
  8886. dev->poll_controller = tg3_poll_controller;
  8887. #endif
  8888. err = tg3_get_invariants(tp);
  8889. if (err) {
  8890. printk(KERN_ERR PFX "Problem fetching invariants of chip, "
  8891. "aborting.\n");
  8892. goto err_out_iounmap;
  8893. }
  8894. tg3_init_bufmgr_config(tp);
  8895. #if TG3_TSO_SUPPORT != 0
  8896. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  8897. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  8898. }
  8899. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8900. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  8901. tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
  8902. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  8903. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  8904. } else {
  8905. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  8906. }
  8907. /* TSO is off by default, user can enable using ethtool. */
  8908. #if 0
  8909. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
  8910. dev->features |= NETIF_F_TSO;
  8911. #endif
  8912. #endif
  8913. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
  8914. !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
  8915. !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
  8916. tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
  8917. tp->rx_pending = 63;
  8918. }
  8919. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  8920. tp->pdev_peer = tg3_find_5704_peer(tp);
  8921. err = tg3_get_device_address(tp);
  8922. if (err) {
  8923. printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
  8924. "aborting.\n");
  8925. goto err_out_iounmap;
  8926. }
  8927. /*
  8928. * Reset chip in case UNDI or EFI driver did not shutdown
  8929. * DMA self test will enable WDMAC and we'll see (spurious)
  8930. * pending DMA on the PCI bus at that point.
  8931. */
  8932. if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
  8933. (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  8934. pci_save_state(tp->pdev);
  8935. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  8936. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  8937. }
  8938. err = tg3_test_dma(tp);
  8939. if (err) {
  8940. printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
  8941. goto err_out_iounmap;
  8942. }
  8943. /* Tigon3 can do ipv4 only... and some chips have buggy
  8944. * checksumming.
  8945. */
  8946. if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
  8947. dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
  8948. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  8949. } else
  8950. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  8951. if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
  8952. dev->features &= ~NETIF_F_HIGHDMA;
  8953. /* flow control autonegotiation is default behavior */
  8954. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  8955. tg3_init_coal(tp);
  8956. /* Now that we have fully setup the chip, save away a snapshot
  8957. * of the PCI config space. We need to restore this after
  8958. * GRC_MISC_CFG core clock resets and some resume events.
  8959. */
  8960. pci_save_state(tp->pdev);
  8961. err = register_netdev(dev);
  8962. if (err) {
  8963. printk(KERN_ERR PFX "Cannot register net device, "
  8964. "aborting.\n");
  8965. goto err_out_iounmap;
  8966. }
  8967. pci_set_drvdata(pdev, dev);
  8968. printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (PCI%s:%s:%s) %sBaseT Ethernet ",
  8969. dev->name,
  8970. tp->board_part_number,
  8971. tp->pci_chip_rev_id,
  8972. tg3_phy_string(tp),
  8973. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""),
  8974. ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ?
  8975. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") :
  8976. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")),
  8977. ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit"),
  8978. (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
  8979. for (i = 0; i < 6; i++)
  8980. printk("%2.2x%c", dev->dev_addr[i],
  8981. i == 5 ? '\n' : ':');
  8982. printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
  8983. "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
  8984. "TSOcap[%d] \n",
  8985. dev->name,
  8986. (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
  8987. (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
  8988. (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
  8989. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
  8990. (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
  8991. (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
  8992. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
  8993. printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
  8994. dev->name, tp->dma_rwctrl);
  8995. return 0;
  8996. err_out_iounmap:
  8997. if (tp->regs) {
  8998. iounmap(tp->regs);
  8999. tp->regs = 0;
  9000. }
  9001. err_out_free_dev:
  9002. free_netdev(dev);
  9003. err_out_free_res:
  9004. pci_release_regions(pdev);
  9005. err_out_disable_pdev:
  9006. pci_disable_device(pdev);
  9007. pci_set_drvdata(pdev, NULL);
  9008. return err;
  9009. }
  9010. static void __devexit tg3_remove_one(struct pci_dev *pdev)
  9011. {
  9012. struct net_device *dev = pci_get_drvdata(pdev);
  9013. if (dev) {
  9014. struct tg3 *tp = netdev_priv(dev);
  9015. unregister_netdev(dev);
  9016. if (tp->regs) {
  9017. iounmap(tp->regs);
  9018. tp->regs = 0;
  9019. }
  9020. free_netdev(dev);
  9021. pci_release_regions(pdev);
  9022. pci_disable_device(pdev);
  9023. pci_set_drvdata(pdev, NULL);
  9024. }
  9025. }
  9026. static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
  9027. {
  9028. struct net_device *dev = pci_get_drvdata(pdev);
  9029. struct tg3 *tp = netdev_priv(dev);
  9030. int err;
  9031. if (!netif_running(dev))
  9032. return 0;
  9033. tg3_netif_stop(tp);
  9034. del_timer_sync(&tp->timer);
  9035. tg3_full_lock(tp, 1);
  9036. tg3_disable_ints(tp);
  9037. tg3_full_unlock(tp);
  9038. netif_device_detach(dev);
  9039. tg3_full_lock(tp, 0);
  9040. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  9041. tg3_full_unlock(tp);
  9042. err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
  9043. if (err) {
  9044. tg3_full_lock(tp, 0);
  9045. tg3_init_hw(tp);
  9046. tp->timer.expires = jiffies + tp->timer_offset;
  9047. add_timer(&tp->timer);
  9048. netif_device_attach(dev);
  9049. tg3_netif_start(tp);
  9050. tg3_full_unlock(tp);
  9051. }
  9052. return err;
  9053. }
  9054. static int tg3_resume(struct pci_dev *pdev)
  9055. {
  9056. struct net_device *dev = pci_get_drvdata(pdev);
  9057. struct tg3 *tp = netdev_priv(dev);
  9058. int err;
  9059. if (!netif_running(dev))
  9060. return 0;
  9061. pci_restore_state(tp->pdev);
  9062. err = tg3_set_power_state(tp, 0);
  9063. if (err)
  9064. return err;
  9065. netif_device_attach(dev);
  9066. tg3_full_lock(tp, 0);
  9067. tg3_init_hw(tp);
  9068. tp->timer.expires = jiffies + tp->timer_offset;
  9069. add_timer(&tp->timer);
  9070. tg3_netif_start(tp);
  9071. tg3_full_unlock(tp);
  9072. return 0;
  9073. }
  9074. static struct pci_driver tg3_driver = {
  9075. .name = DRV_MODULE_NAME,
  9076. .id_table = tg3_pci_tbl,
  9077. .probe = tg3_init_one,
  9078. .remove = __devexit_p(tg3_remove_one),
  9079. .suspend = tg3_suspend,
  9080. .resume = tg3_resume
  9081. };
  9082. static int __init tg3_init(void)
  9083. {
  9084. return pci_module_init(&tg3_driver);
  9085. }
  9086. static void __exit tg3_cleanup(void)
  9087. {
  9088. pci_unregister_driver(&tg3_driver);
  9089. }
  9090. module_init(tg3_init);
  9091. module_exit(tg3_cleanup);