tg3.c 313 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 * Derived from proprietary unpublished source code,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/in.h>
  26. #include <linux/init.h>
  27. #include <linux/ioport.h>
  28. #include <linux/pci.h>
  29. #include <linux/netdevice.h>
  30. #include <linux/etherdevice.h>
  31. #include <linux/skbuff.h>
  32. #include <linux/ethtool.h>
  33. #include <linux/mii.h>
  34. #include <linux/if_vlan.h>
  35. #include <linux/ip.h>
  36. #include <linux/tcp.h>
  37. #include <linux/workqueue.h>
  38. #include <linux/prefetch.h>
  39. #include <linux/dma-mapping.h>
  40. #include <net/checksum.h>
  41. #include <asm/system.h>
  42. #include <asm/io.h>
  43. #include <asm/byteorder.h>
  44. #include <asm/uaccess.h>
  45. #ifdef CONFIG_SPARC64
  46. #include <asm/idprom.h>
  47. #include <asm/oplib.h>
  48. #include <asm/pbm.h>
  49. #endif
  50. #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  51. #define TG3_VLAN_TAG_USED 1
  52. #else
  53. #define TG3_VLAN_TAG_USED 0
  54. #endif
  55. #ifdef NETIF_F_TSO
  56. #define TG3_TSO_SUPPORT 1
  57. #else
  58. #define TG3_TSO_SUPPORT 0
  59. #endif
  60. #include "tg3.h"
  61. #define DRV_MODULE_NAME "tg3"
  62. #define PFX DRV_MODULE_NAME ": "
  63. #define DRV_MODULE_VERSION "3.47"
  64. #define DRV_MODULE_RELDATE "Dec 28, 2005"
  65. #define TG3_DEF_MAC_MODE 0
  66. #define TG3_DEF_RX_MODE 0
  67. #define TG3_DEF_TX_MODE 0
  68. #define TG3_DEF_MSG_ENABLE \
  69. (NETIF_MSG_DRV | \
  70. NETIF_MSG_PROBE | \
  71. NETIF_MSG_LINK | \
  72. NETIF_MSG_TIMER | \
  73. NETIF_MSG_IFDOWN | \
  74. NETIF_MSG_IFUP | \
  75. NETIF_MSG_RX_ERR | \
  76. NETIF_MSG_TX_ERR)
  77. /* length of time before we decide the hardware is borked,
  78. * and dev->tx_timeout() should be called to fix the problem
  79. */
  80. #define TG3_TX_TIMEOUT (5 * HZ)
  81. /* hardware minimum and maximum for a single frame's data payload */
  82. #define TG3_MIN_MTU 60
  83. #define TG3_MAX_MTU(tp) \
  84. ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  85. /* These numbers seem to be hard coded in the NIC firmware somehow.
  86. * You can't change the ring sizes, but you can change where you place
  87. * them in the NIC onboard memory.
  88. */
  89. #define TG3_RX_RING_SIZE 512
  90. #define TG3_DEF_RX_RING_PENDING 200
  91. #define TG3_RX_JUMBO_RING_SIZE 256
  92. #define TG3_DEF_RX_JUMBO_RING_PENDING 100
  93. /* Do not place this n-ring entries value into the tp struct itself,
  94. * we really want to expose these constants to GCC so that modulo et
  95. * al. operations are done with shifts and masks instead of with
  96. * hw multiply/modulo instructions. Another solution would be to
  97. * replace things like '% foo' with '& (foo - 1)'.
  98. */
  99. #define TG3_RX_RCB_RING_SIZE(tp) \
  100. ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
  101. #define TG3_TX_RING_SIZE 512
  102. #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
  103. #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  104. TG3_RX_RING_SIZE)
  105. #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  106. TG3_RX_JUMBO_RING_SIZE)
  107. #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
  108. TG3_RX_RCB_RING_SIZE(tp))
  109. #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
  110. TG3_TX_RING_SIZE)
  111. #define TX_BUFFS_AVAIL(TP) \
  112. ((TP)->tx_pending - \
  113. (((TP)->tx_prod - (TP)->tx_cons) & (TG3_TX_RING_SIZE - 1)))
  114. #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
  115. #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
  116. #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
  117. /* minimum number of free TX descriptors required to wake up TX process */
  118. #define TG3_TX_WAKEUP_THRESH (TG3_TX_RING_SIZE / 4)
  119. /* number of ETHTOOL_GSTATS u64's */
  120. #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
  121. #define TG3_NUM_TEST 6
  122. static char version[] __devinitdata =
  123. DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  124. MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
  125. MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
  126. MODULE_LICENSE("GPL");
  127. MODULE_VERSION(DRV_MODULE_VERSION);
  128. static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
  129. module_param(tg3_debug, int, 0);
  130. MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
  131. static struct pci_device_id tg3_pci_tbl[] = {
  132. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700,
  133. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  134. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701,
  135. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  136. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702,
  137. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  138. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703,
  139. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  140. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704,
  141. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  142. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE,
  143. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  144. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705,
  145. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  146. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2,
  147. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  148. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M,
  149. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  150. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2,
  151. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  152. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X,
  153. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  154. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X,
  155. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  156. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S,
  157. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  158. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3,
  159. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  160. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3,
  161. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  162. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782,
  163. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  164. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788,
  165. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  166. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789,
  167. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  168. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901,
  169. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  170. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2,
  171. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  172. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2,
  173. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  174. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F,
  175. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  176. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720,
  177. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  178. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721,
  179. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  180. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750,
  181. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  182. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751,
  183. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  184. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M,
  185. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  186. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M,
  187. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  188. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
  189. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  190. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
  191. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  192. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M,
  193. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  194. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
  195. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  196. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
  197. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  198. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
  199. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  200. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714,
  201. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  202. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715,
  203. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  204. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
  205. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  206. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
  207. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  208. { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
  209. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  210. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
  211. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  212. { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX,
  213. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  214. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000,
  215. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  216. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001,
  217. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  218. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003,
  219. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  220. { PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100,
  221. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  222. { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3,
  223. PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
  224. { 0, }
  225. };
  226. MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
  227. static struct {
  228. const char string[ETH_GSTRING_LEN];
  229. } ethtool_stats_keys[TG3_NUM_STATS] = {
  230. { "rx_octets" },
  231. { "rx_fragments" },
  232. { "rx_ucast_packets" },
  233. { "rx_mcast_packets" },
  234. { "rx_bcast_packets" },
  235. { "rx_fcs_errors" },
  236. { "rx_align_errors" },
  237. { "rx_xon_pause_rcvd" },
  238. { "rx_xoff_pause_rcvd" },
  239. { "rx_mac_ctrl_rcvd" },
  240. { "rx_xoff_entered" },
  241. { "rx_frame_too_long_errors" },
  242. { "rx_jabbers" },
  243. { "rx_undersize_packets" },
  244. { "rx_in_length_errors" },
  245. { "rx_out_length_errors" },
  246. { "rx_64_or_less_octet_packets" },
  247. { "rx_65_to_127_octet_packets" },
  248. { "rx_128_to_255_octet_packets" },
  249. { "rx_256_to_511_octet_packets" },
  250. { "rx_512_to_1023_octet_packets" },
  251. { "rx_1024_to_1522_octet_packets" },
  252. { "rx_1523_to_2047_octet_packets" },
  253. { "rx_2048_to_4095_octet_packets" },
  254. { "rx_4096_to_8191_octet_packets" },
  255. { "rx_8192_to_9022_octet_packets" },
  256. { "tx_octets" },
  257. { "tx_collisions" },
  258. { "tx_xon_sent" },
  259. { "tx_xoff_sent" },
  260. { "tx_flow_control" },
  261. { "tx_mac_errors" },
  262. { "tx_single_collisions" },
  263. { "tx_mult_collisions" },
  264. { "tx_deferred" },
  265. { "tx_excessive_collisions" },
  266. { "tx_late_collisions" },
  267. { "tx_collide_2times" },
  268. { "tx_collide_3times" },
  269. { "tx_collide_4times" },
  270. { "tx_collide_5times" },
  271. { "tx_collide_6times" },
  272. { "tx_collide_7times" },
  273. { "tx_collide_8times" },
  274. { "tx_collide_9times" },
  275. { "tx_collide_10times" },
  276. { "tx_collide_11times" },
  277. { "tx_collide_12times" },
  278. { "tx_collide_13times" },
  279. { "tx_collide_14times" },
  280. { "tx_collide_15times" },
  281. { "tx_ucast_packets" },
  282. { "tx_mcast_packets" },
  283. { "tx_bcast_packets" },
  284. { "tx_carrier_sense_errors" },
  285. { "tx_discards" },
  286. { "tx_errors" },
  287. { "dma_writeq_full" },
  288. { "dma_write_prioq_full" },
  289. { "rxbds_empty" },
  290. { "rx_discards" },
  291. { "rx_errors" },
  292. { "rx_threshold_hit" },
  293. { "dma_readq_full" },
  294. { "dma_read_prioq_full" },
  295. { "tx_comp_queue_full" },
  296. { "ring_set_send_prod_index" },
  297. { "ring_status_update" },
  298. { "nic_irqs" },
  299. { "nic_avoided_irqs" },
  300. { "nic_tx_threshold_hit" }
  301. };
  302. static struct {
  303. const char string[ETH_GSTRING_LEN];
  304. } ethtool_test_keys[TG3_NUM_TEST] = {
  305. { "nvram test (online) " },
  306. { "link test (online) " },
  307. { "register test (offline)" },
  308. { "memory test (offline)" },
  309. { "loopback test (offline)" },
  310. { "interrupt test (offline)" },
  311. };
  312. static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
  313. {
  314. writel(val, tp->regs + off);
  315. }
  316. static u32 tg3_read32(struct tg3 *tp, u32 off)
  317. {
  318. return (readl(tp->regs + off));
  319. }
  320. static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
  321. {
  322. unsigned long flags;
  323. spin_lock_irqsave(&tp->indirect_lock, flags);
  324. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  325. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  326. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  327. }
  328. static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
  329. {
  330. writel(val, tp->regs + off);
  331. readl(tp->regs + off);
  332. }
  333. static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
  334. {
  335. unsigned long flags;
  336. u32 val;
  337. spin_lock_irqsave(&tp->indirect_lock, flags);
  338. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  339. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  340. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  341. return val;
  342. }
  343. static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
  344. {
  345. unsigned long flags;
  346. if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
  347. pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
  348. TG3_64BIT_REG_LOW, val);
  349. return;
  350. }
  351. if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
  352. pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
  353. TG3_64BIT_REG_LOW, val);
  354. return;
  355. }
  356. spin_lock_irqsave(&tp->indirect_lock, flags);
  357. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  358. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  359. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  360. /* In indirect mode when disabling interrupts, we also need
  361. * to clear the interrupt bit in the GRC local ctrl register.
  362. */
  363. if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
  364. (val == 0x1)) {
  365. pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
  366. tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
  367. }
  368. }
  369. static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
  370. {
  371. unsigned long flags;
  372. u32 val;
  373. spin_lock_irqsave(&tp->indirect_lock, flags);
  374. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  375. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  376. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  377. return val;
  378. }
  379. /* usec_wait specifies the wait time in usec when writing to certain registers
  380. * where it is unsafe to read back the register without some delay.
  381. * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
  382. * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
  383. */
  384. static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
  385. {
  386. if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
  387. (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  388. /* Non-posted methods */
  389. tp->write32(tp, off, val);
  390. else {
  391. /* Posted method */
  392. tg3_write32(tp, off, val);
  393. if (usec_wait)
  394. udelay(usec_wait);
  395. tp->read32(tp, off);
  396. }
  397. /* Wait again after the read for the posted method to guarantee that
  398. * the wait time is met.
  399. */
  400. if (usec_wait)
  401. udelay(usec_wait);
  402. }
  403. static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
  404. {
  405. tp->write32_mbox(tp, off, val);
  406. if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  407. !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  408. tp->read32_mbox(tp, off);
  409. }
  410. static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
  411. {
  412. void __iomem *mbox = tp->regs + off;
  413. writel(val, mbox);
  414. if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  415. writel(val, mbox);
  416. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  417. readl(mbox);
  418. }
  419. #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
  420. #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
  421. #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
  422. #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
  423. #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
  424. #define tw32(reg,val) tp->write32(tp, reg, val)
  425. #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
  426. #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
  427. #define tr32(reg) tp->read32(tp, reg)
  428. static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
  429. {
  430. unsigned long flags;
  431. spin_lock_irqsave(&tp->indirect_lock, flags);
  432. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  433. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  434. /* Always leave this as zero. */
  435. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  436. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  437. }
  438. static void tg3_write_mem_fast(struct tg3 *tp, u32 off, u32 val)
  439. {
  440. /* If no workaround is needed, write to mem space directly */
  441. if (tp->write32 != tg3_write_indirect_reg32)
  442. tw32(NIC_SRAM_WIN_BASE + off, val);
  443. else
  444. tg3_write_mem(tp, off, val);
  445. }
  446. static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
  447. {
  448. unsigned long flags;
  449. spin_lock_irqsave(&tp->indirect_lock, flags);
  450. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  451. pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  452. /* Always leave this as zero. */
  453. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  454. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  455. }
  456. static void tg3_disable_ints(struct tg3 *tp)
  457. {
  458. tw32(TG3PCI_MISC_HOST_CTRL,
  459. (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
  460. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  461. }
  462. static inline void tg3_cond_int(struct tg3 *tp)
  463. {
  464. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  465. (tp->hw_status->status & SD_STATUS_UPDATED))
  466. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  467. }
  468. static void tg3_enable_ints(struct tg3 *tp)
  469. {
  470. tp->irq_sync = 0;
  471. wmb();
  472. tw32(TG3PCI_MISC_HOST_CTRL,
  473. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  474. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  475. (tp->last_tag << 24));
  476. tg3_cond_int(tp);
  477. }
  478. static inline unsigned int tg3_has_work(struct tg3 *tp)
  479. {
  480. struct tg3_hw_status *sblk = tp->hw_status;
  481. unsigned int work_exists = 0;
  482. /* check for phy events */
  483. if (!(tp->tg3_flags &
  484. (TG3_FLAG_USE_LINKCHG_REG |
  485. TG3_FLAG_POLL_SERDES))) {
  486. if (sblk->status & SD_STATUS_LINK_CHG)
  487. work_exists = 1;
  488. }
  489. /* check for RX/TX work to do */
  490. if (sblk->idx[0].tx_consumer != tp->tx_cons ||
  491. sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  492. work_exists = 1;
  493. return work_exists;
  494. }
  495. /* tg3_restart_ints
  496. * similar to tg3_enable_ints, but it accurately determines whether there
  497. * is new work pending and can return without flushing the PIO write
  498. * which reenables interrupts
  499. */
  500. static void tg3_restart_ints(struct tg3 *tp)
  501. {
  502. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  503. tp->last_tag << 24);
  504. mmiowb();
  505. /* When doing tagged status, this work check is unnecessary.
  506. * The last_tag we write above tells the chip which piece of
  507. * work we've completed.
  508. */
  509. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  510. tg3_has_work(tp))
  511. tw32(HOSTCC_MODE, tp->coalesce_mode |
  512. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  513. }
  514. static inline void tg3_netif_stop(struct tg3 *tp)
  515. {
  516. tp->dev->trans_start = jiffies; /* prevent tx timeout */
  517. netif_poll_disable(tp->dev);
  518. netif_tx_disable(tp->dev);
  519. }
  520. static inline void tg3_netif_start(struct tg3 *tp)
  521. {
  522. netif_wake_queue(tp->dev);
  523. /* NOTE: unconditional netif_wake_queue is only appropriate
  524. * so long as all callers are assured to have free tx slots
  525. * (such as after tg3_init_hw)
  526. */
  527. netif_poll_enable(tp->dev);
  528. tp->hw_status->status |= SD_STATUS_UPDATED;
  529. tg3_enable_ints(tp);
  530. }
  531. static void tg3_switch_clocks(struct tg3 *tp)
  532. {
  533. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
  534. u32 orig_clock_ctrl;
  535. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  536. return;
  537. orig_clock_ctrl = clock_ctrl;
  538. clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
  539. CLOCK_CTRL_CLKRUN_OENABLE |
  540. 0x1f);
  541. tp->pci_clock_ctrl = clock_ctrl;
  542. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  543. if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
  544. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  545. clock_ctrl | CLOCK_CTRL_625_CORE, 40);
  546. }
  547. } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
  548. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  549. clock_ctrl |
  550. (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
  551. 40);
  552. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  553. clock_ctrl | (CLOCK_CTRL_ALTCLK),
  554. 40);
  555. }
  556. tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
  557. }
  558. #define PHY_BUSY_LOOPS 5000
  559. static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  560. {
  561. u32 frame_val;
  562. unsigned int loops;
  563. int ret;
  564. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  565. tw32_f(MAC_MI_MODE,
  566. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  567. udelay(80);
  568. }
  569. *val = 0x0;
  570. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  571. MI_COM_PHY_ADDR_MASK);
  572. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  573. MI_COM_REG_ADDR_MASK);
  574. frame_val |= (MI_COM_CMD_READ | MI_COM_START);
  575. tw32_f(MAC_MI_COM, frame_val);
  576. loops = PHY_BUSY_LOOPS;
  577. while (loops != 0) {
  578. udelay(10);
  579. frame_val = tr32(MAC_MI_COM);
  580. if ((frame_val & MI_COM_BUSY) == 0) {
  581. udelay(5);
  582. frame_val = tr32(MAC_MI_COM);
  583. break;
  584. }
  585. loops -= 1;
  586. }
  587. ret = -EBUSY;
  588. if (loops != 0) {
  589. *val = frame_val & MI_COM_DATA_MASK;
  590. ret = 0;
  591. }
  592. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  593. tw32_f(MAC_MI_MODE, tp->mi_mode);
  594. udelay(80);
  595. }
  596. return ret;
  597. }
  598. static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  599. {
  600. u32 frame_val;
  601. unsigned int loops;
  602. int ret;
  603. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  604. tw32_f(MAC_MI_MODE,
  605. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  606. udelay(80);
  607. }
  608. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  609. MI_COM_PHY_ADDR_MASK);
  610. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  611. MI_COM_REG_ADDR_MASK);
  612. frame_val |= (val & MI_COM_DATA_MASK);
  613. frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
  614. tw32_f(MAC_MI_COM, frame_val);
  615. loops = PHY_BUSY_LOOPS;
  616. while (loops != 0) {
  617. udelay(10);
  618. frame_val = tr32(MAC_MI_COM);
  619. if ((frame_val & MI_COM_BUSY) == 0) {
  620. udelay(5);
  621. frame_val = tr32(MAC_MI_COM);
  622. break;
  623. }
  624. loops -= 1;
  625. }
  626. ret = -EBUSY;
  627. if (loops != 0)
  628. ret = 0;
  629. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  630. tw32_f(MAC_MI_MODE, tp->mi_mode);
  631. udelay(80);
  632. }
  633. return ret;
  634. }
  635. static void tg3_phy_set_wirespeed(struct tg3 *tp)
  636. {
  637. u32 val;
  638. if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
  639. return;
  640. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
  641. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
  642. tg3_writephy(tp, MII_TG3_AUX_CTRL,
  643. (val | (1 << 15) | (1 << 4)));
  644. }
  645. static int tg3_bmcr_reset(struct tg3 *tp)
  646. {
  647. u32 phy_control;
  648. int limit, err;
  649. /* OK, reset it, and poll the BMCR_RESET bit until it
  650. * clears or we time out.
  651. */
  652. phy_control = BMCR_RESET;
  653. err = tg3_writephy(tp, MII_BMCR, phy_control);
  654. if (err != 0)
  655. return -EBUSY;
  656. limit = 5000;
  657. while (limit--) {
  658. err = tg3_readphy(tp, MII_BMCR, &phy_control);
  659. if (err != 0)
  660. return -EBUSY;
  661. if ((phy_control & BMCR_RESET) == 0) {
  662. udelay(40);
  663. break;
  664. }
  665. udelay(10);
  666. }
  667. if (limit <= 0)
  668. return -EBUSY;
  669. return 0;
  670. }
  671. static int tg3_wait_macro_done(struct tg3 *tp)
  672. {
  673. int limit = 100;
  674. while (limit--) {
  675. u32 tmp32;
  676. if (!tg3_readphy(tp, 0x16, &tmp32)) {
  677. if ((tmp32 & 0x1000) == 0)
  678. break;
  679. }
  680. }
  681. if (limit <= 0)
  682. return -EBUSY;
  683. return 0;
  684. }
  685. static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
  686. {
  687. static const u32 test_pat[4][6] = {
  688. { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
  689. { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
  690. { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
  691. { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
  692. };
  693. int chan;
  694. for (chan = 0; chan < 4; chan++) {
  695. int i;
  696. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  697. (chan * 0x2000) | 0x0200);
  698. tg3_writephy(tp, 0x16, 0x0002);
  699. for (i = 0; i < 6; i++)
  700. tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
  701. test_pat[chan][i]);
  702. tg3_writephy(tp, 0x16, 0x0202);
  703. if (tg3_wait_macro_done(tp)) {
  704. *resetp = 1;
  705. return -EBUSY;
  706. }
  707. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  708. (chan * 0x2000) | 0x0200);
  709. tg3_writephy(tp, 0x16, 0x0082);
  710. if (tg3_wait_macro_done(tp)) {
  711. *resetp = 1;
  712. return -EBUSY;
  713. }
  714. tg3_writephy(tp, 0x16, 0x0802);
  715. if (tg3_wait_macro_done(tp)) {
  716. *resetp = 1;
  717. return -EBUSY;
  718. }
  719. for (i = 0; i < 6; i += 2) {
  720. u32 low, high;
  721. if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
  722. tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
  723. tg3_wait_macro_done(tp)) {
  724. *resetp = 1;
  725. return -EBUSY;
  726. }
  727. low &= 0x7fff;
  728. high &= 0x000f;
  729. if (low != test_pat[chan][i] ||
  730. high != test_pat[chan][i+1]) {
  731. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
  732. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
  733. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
  734. return -EBUSY;
  735. }
  736. }
  737. }
  738. return 0;
  739. }
  740. static int tg3_phy_reset_chanpat(struct tg3 *tp)
  741. {
  742. int chan;
  743. for (chan = 0; chan < 4; chan++) {
  744. int i;
  745. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  746. (chan * 0x2000) | 0x0200);
  747. tg3_writephy(tp, 0x16, 0x0002);
  748. for (i = 0; i < 6; i++)
  749. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
  750. tg3_writephy(tp, 0x16, 0x0202);
  751. if (tg3_wait_macro_done(tp))
  752. return -EBUSY;
  753. }
  754. return 0;
  755. }
  756. static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
  757. {
  758. u32 reg32, phy9_orig;
  759. int retries, do_phy_reset, err;
  760. retries = 10;
  761. do_phy_reset = 1;
  762. do {
  763. if (do_phy_reset) {
  764. err = tg3_bmcr_reset(tp);
  765. if (err)
  766. return err;
  767. do_phy_reset = 0;
  768. }
  769. /* Disable transmitter and interrupt. */
  770. if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
  771. continue;
  772. reg32 |= 0x3000;
  773. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  774. /* Set full-duplex, 1000 mbps. */
  775. tg3_writephy(tp, MII_BMCR,
  776. BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
  777. /* Set to master mode. */
  778. if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
  779. continue;
  780. tg3_writephy(tp, MII_TG3_CTRL,
  781. (MII_TG3_CTRL_AS_MASTER |
  782. MII_TG3_CTRL_ENABLE_AS_MASTER));
  783. /* Enable SM_DSP_CLOCK and 6dB. */
  784. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  785. /* Block the PHY control access. */
  786. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  787. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
  788. err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
  789. if (!err)
  790. break;
  791. } while (--retries);
  792. err = tg3_phy_reset_chanpat(tp);
  793. if (err)
  794. return err;
  795. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  796. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
  797. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
  798. tg3_writephy(tp, 0x16, 0x0000);
  799. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  800. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  801. /* Set Extended packet length bit for jumbo frames */
  802. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
  803. }
  804. else {
  805. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  806. }
  807. tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
  808. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
  809. reg32 &= ~0x3000;
  810. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  811. } else if (!err)
  812. err = -EBUSY;
  813. return err;
  814. }
  815. /* This will reset the tigon3 PHY if there is no valid
  816. * link unless the FORCE argument is non-zero.
  817. */
  818. static int tg3_phy_reset(struct tg3 *tp)
  819. {
  820. u32 phy_status;
  821. int err;
  822. err = tg3_readphy(tp, MII_BMSR, &phy_status);
  823. err |= tg3_readphy(tp, MII_BMSR, &phy_status);
  824. if (err != 0)
  825. return -EBUSY;
  826. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  827. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  828. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  829. err = tg3_phy_reset_5703_4_5(tp);
  830. if (err)
  831. return err;
  832. goto out;
  833. }
  834. err = tg3_bmcr_reset(tp);
  835. if (err)
  836. return err;
  837. out:
  838. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
  839. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  840. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  841. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
  842. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  843. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
  844. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  845. }
  846. if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
  847. tg3_writephy(tp, 0x1c, 0x8d68);
  848. tg3_writephy(tp, 0x1c, 0x8d68);
  849. }
  850. if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
  851. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  852. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  853. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
  854. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  855. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
  856. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
  857. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
  858. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  859. }
  860. /* Set Extended packet length bit (bit 14) on all chips that */
  861. /* support jumbo frames */
  862. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  863. /* Cannot do read-modify-write on 5401 */
  864. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  865. } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  866. u32 phy_reg;
  867. /* Set bit 14 with read-modify-write to preserve other bits */
  868. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
  869. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
  870. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
  871. }
  872. /* Set phy register 0x10 bit 0 to high fifo elasticity to support
  873. * jumbo frames transmission.
  874. */
  875. if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  876. u32 phy_reg;
  877. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
  878. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  879. phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
  880. }
  881. tg3_phy_set_wirespeed(tp);
  882. return 0;
  883. }
  884. static void tg3_frob_aux_power(struct tg3 *tp)
  885. {
  886. struct tg3 *tp_peer = tp;
  887. if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
  888. return;
  889. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  890. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
  891. struct net_device *dev_peer;
  892. dev_peer = pci_get_drvdata(tp->pdev_peer);
  893. if (!dev_peer)
  894. BUG();
  895. tp_peer = netdev_priv(dev_peer);
  896. }
  897. if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  898. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
  899. (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  900. (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  901. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  902. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  903. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  904. (GRC_LCLCTRL_GPIO_OE0 |
  905. GRC_LCLCTRL_GPIO_OE1 |
  906. GRC_LCLCTRL_GPIO_OE2 |
  907. GRC_LCLCTRL_GPIO_OUTPUT0 |
  908. GRC_LCLCTRL_GPIO_OUTPUT1),
  909. 100);
  910. } else {
  911. u32 no_gpio2;
  912. u32 grc_local_ctrl = 0;
  913. if (tp_peer != tp &&
  914. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  915. return;
  916. /* Workaround to prevent overdrawing Amps. */
  917. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  918. ASIC_REV_5714) {
  919. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  920. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  921. grc_local_ctrl, 100);
  922. }
  923. /* On 5753 and variants, GPIO2 cannot be used. */
  924. no_gpio2 = tp->nic_sram_data_cfg &
  925. NIC_SRAM_DATA_CFG_NO_GPIO2;
  926. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
  927. GRC_LCLCTRL_GPIO_OE1 |
  928. GRC_LCLCTRL_GPIO_OE2 |
  929. GRC_LCLCTRL_GPIO_OUTPUT1 |
  930. GRC_LCLCTRL_GPIO_OUTPUT2;
  931. if (no_gpio2) {
  932. grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
  933. GRC_LCLCTRL_GPIO_OUTPUT2);
  934. }
  935. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  936. grc_local_ctrl, 100);
  937. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
  938. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  939. grc_local_ctrl, 100);
  940. if (!no_gpio2) {
  941. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
  942. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  943. grc_local_ctrl, 100);
  944. }
  945. }
  946. } else {
  947. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  948. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  949. if (tp_peer != tp &&
  950. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  951. return;
  952. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  953. (GRC_LCLCTRL_GPIO_OE1 |
  954. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  955. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  956. GRC_LCLCTRL_GPIO_OE1, 100);
  957. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  958. (GRC_LCLCTRL_GPIO_OE1 |
  959. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  960. }
  961. }
  962. }
  963. static int tg3_setup_phy(struct tg3 *, int);
  964. #define RESET_KIND_SHUTDOWN 0
  965. #define RESET_KIND_INIT 1
  966. #define RESET_KIND_SUSPEND 2
  967. static void tg3_write_sig_post_reset(struct tg3 *, int);
  968. static int tg3_halt_cpu(struct tg3 *, u32);
  969. static int tg3_nvram_lock(struct tg3 *);
  970. static void tg3_nvram_unlock(struct tg3 *);
  971. static int tg3_set_power_state(struct tg3 *tp, int state)
  972. {
  973. u32 misc_host_ctrl;
  974. u16 power_control, power_caps;
  975. int pm = tp->pm_cap;
  976. /* Make sure register accesses (indirect or otherwise)
  977. * will function correctly.
  978. */
  979. pci_write_config_dword(tp->pdev,
  980. TG3PCI_MISC_HOST_CTRL,
  981. tp->misc_host_ctrl);
  982. pci_read_config_word(tp->pdev,
  983. pm + PCI_PM_CTRL,
  984. &power_control);
  985. power_control |= PCI_PM_CTRL_PME_STATUS;
  986. power_control &= ~(PCI_PM_CTRL_STATE_MASK);
  987. switch (state) {
  988. case 0:
  989. power_control |= 0;
  990. pci_write_config_word(tp->pdev,
  991. pm + PCI_PM_CTRL,
  992. power_control);
  993. udelay(100); /* Delay after power state change */
  994. /* Switch out of Vaux if it is not a LOM */
  995. if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  996. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
  997. return 0;
  998. case 1:
  999. power_control |= 1;
  1000. break;
  1001. case 2:
  1002. power_control |= 2;
  1003. break;
  1004. case 3:
  1005. power_control |= 3;
  1006. break;
  1007. default:
  1008. printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
  1009. "requested.\n",
  1010. tp->dev->name, state);
  1011. return -EINVAL;
  1012. };
  1013. power_control |= PCI_PM_CTRL_PME_ENABLE;
  1014. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  1015. tw32(TG3PCI_MISC_HOST_CTRL,
  1016. misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
  1017. if (tp->link_config.phy_is_low_power == 0) {
  1018. tp->link_config.phy_is_low_power = 1;
  1019. tp->link_config.orig_speed = tp->link_config.speed;
  1020. tp->link_config.orig_duplex = tp->link_config.duplex;
  1021. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  1022. }
  1023. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  1024. tp->link_config.speed = SPEED_10;
  1025. tp->link_config.duplex = DUPLEX_HALF;
  1026. tp->link_config.autoneg = AUTONEG_ENABLE;
  1027. tg3_setup_phy(tp, 0);
  1028. }
  1029. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1030. int i;
  1031. u32 val;
  1032. for (i = 0; i < 200; i++) {
  1033. tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
  1034. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  1035. break;
  1036. msleep(1);
  1037. }
  1038. }
  1039. tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
  1040. WOL_DRV_STATE_SHUTDOWN |
  1041. WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
  1042. pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
  1043. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
  1044. u32 mac_mode;
  1045. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  1046. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
  1047. udelay(40);
  1048. mac_mode = MAC_MODE_PORT_MODE_MII;
  1049. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
  1050. !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
  1051. mac_mode |= MAC_MODE_LINK_POLARITY;
  1052. } else {
  1053. mac_mode = MAC_MODE_PORT_MODE_TBI;
  1054. }
  1055. if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  1056. tw32(MAC_LED_CTRL, tp->led_ctrl);
  1057. if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
  1058. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
  1059. mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
  1060. tw32_f(MAC_MODE, mac_mode);
  1061. udelay(100);
  1062. tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
  1063. udelay(10);
  1064. }
  1065. if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
  1066. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1067. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  1068. u32 base_val;
  1069. base_val = tp->pci_clock_ctrl;
  1070. base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
  1071. CLOCK_CTRL_TXCLK_DISABLE);
  1072. tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
  1073. CLOCK_CTRL_PWRDOWN_PLL133, 40);
  1074. } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  1075. /* do nothing */
  1076. } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  1077. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
  1078. u32 newbits1, newbits2;
  1079. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1080. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1081. newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
  1082. CLOCK_CTRL_TXCLK_DISABLE |
  1083. CLOCK_CTRL_ALTCLK);
  1084. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1085. } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  1086. newbits1 = CLOCK_CTRL_625_CORE;
  1087. newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
  1088. } else {
  1089. newbits1 = CLOCK_CTRL_ALTCLK;
  1090. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1091. }
  1092. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
  1093. 40);
  1094. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
  1095. 40);
  1096. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  1097. u32 newbits3;
  1098. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1099. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1100. newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
  1101. CLOCK_CTRL_TXCLK_DISABLE |
  1102. CLOCK_CTRL_44MHZ_CORE);
  1103. } else {
  1104. newbits3 = CLOCK_CTRL_44MHZ_CORE;
  1105. }
  1106. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  1107. tp->pci_clock_ctrl | newbits3, 40);
  1108. }
  1109. }
  1110. if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
  1111. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1112. /* Turn off the PHY */
  1113. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  1114. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1115. MII_TG3_EXT_CTRL_FORCE_LED_OFF);
  1116. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
  1117. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
  1118. tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
  1119. }
  1120. }
  1121. tg3_frob_aux_power(tp);
  1122. /* Workaround for unstable PLL clock */
  1123. if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  1124. (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  1125. u32 val = tr32(0x7d00);
  1126. val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  1127. tw32(0x7d00, val);
  1128. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1129. tg3_nvram_lock(tp);
  1130. tg3_halt_cpu(tp, RX_CPU_BASE);
  1131. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR0);
  1132. tg3_nvram_unlock(tp);
  1133. }
  1134. }
  1135. /* Finally, set the new power state. */
  1136. pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
  1137. udelay(100); /* Delay after power state change */
  1138. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  1139. return 0;
  1140. }
  1141. static void tg3_link_report(struct tg3 *tp)
  1142. {
  1143. if (!netif_carrier_ok(tp->dev)) {
  1144. printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
  1145. } else {
  1146. printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
  1147. tp->dev->name,
  1148. (tp->link_config.active_speed == SPEED_1000 ?
  1149. 1000 :
  1150. (tp->link_config.active_speed == SPEED_100 ?
  1151. 100 : 10)),
  1152. (tp->link_config.active_duplex == DUPLEX_FULL ?
  1153. "full" : "half"));
  1154. printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
  1155. "%s for RX.\n",
  1156. tp->dev->name,
  1157. (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
  1158. (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
  1159. }
  1160. }
  1161. static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
  1162. {
  1163. u32 new_tg3_flags = 0;
  1164. u32 old_rx_mode = tp->rx_mode;
  1165. u32 old_tx_mode = tp->tx_mode;
  1166. if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
  1167. /* Convert 1000BaseX flow control bits to 1000BaseT
  1168. * bits before resolving flow control.
  1169. */
  1170. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  1171. local_adv &= ~(ADVERTISE_PAUSE_CAP |
  1172. ADVERTISE_PAUSE_ASYM);
  1173. remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1174. if (local_adv & ADVERTISE_1000XPAUSE)
  1175. local_adv |= ADVERTISE_PAUSE_CAP;
  1176. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  1177. local_adv |= ADVERTISE_PAUSE_ASYM;
  1178. if (remote_adv & LPA_1000XPAUSE)
  1179. remote_adv |= LPA_PAUSE_CAP;
  1180. if (remote_adv & LPA_1000XPAUSE_ASYM)
  1181. remote_adv |= LPA_PAUSE_ASYM;
  1182. }
  1183. if (local_adv & ADVERTISE_PAUSE_CAP) {
  1184. if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1185. if (remote_adv & LPA_PAUSE_CAP)
  1186. new_tg3_flags |=
  1187. (TG3_FLAG_RX_PAUSE |
  1188. TG3_FLAG_TX_PAUSE);
  1189. else if (remote_adv & LPA_PAUSE_ASYM)
  1190. new_tg3_flags |=
  1191. (TG3_FLAG_RX_PAUSE);
  1192. } else {
  1193. if (remote_adv & LPA_PAUSE_CAP)
  1194. new_tg3_flags |=
  1195. (TG3_FLAG_RX_PAUSE |
  1196. TG3_FLAG_TX_PAUSE);
  1197. }
  1198. } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1199. if ((remote_adv & LPA_PAUSE_CAP) &&
  1200. (remote_adv & LPA_PAUSE_ASYM))
  1201. new_tg3_flags |= TG3_FLAG_TX_PAUSE;
  1202. }
  1203. tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
  1204. tp->tg3_flags |= new_tg3_flags;
  1205. } else {
  1206. new_tg3_flags = tp->tg3_flags;
  1207. }
  1208. if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
  1209. tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
  1210. else
  1211. tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
  1212. if (old_rx_mode != tp->rx_mode) {
  1213. tw32_f(MAC_RX_MODE, tp->rx_mode);
  1214. }
  1215. if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
  1216. tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
  1217. else
  1218. tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
  1219. if (old_tx_mode != tp->tx_mode) {
  1220. tw32_f(MAC_TX_MODE, tp->tx_mode);
  1221. }
  1222. }
  1223. static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
  1224. {
  1225. switch (val & MII_TG3_AUX_STAT_SPDMASK) {
  1226. case MII_TG3_AUX_STAT_10HALF:
  1227. *speed = SPEED_10;
  1228. *duplex = DUPLEX_HALF;
  1229. break;
  1230. case MII_TG3_AUX_STAT_10FULL:
  1231. *speed = SPEED_10;
  1232. *duplex = DUPLEX_FULL;
  1233. break;
  1234. case MII_TG3_AUX_STAT_100HALF:
  1235. *speed = SPEED_100;
  1236. *duplex = DUPLEX_HALF;
  1237. break;
  1238. case MII_TG3_AUX_STAT_100FULL:
  1239. *speed = SPEED_100;
  1240. *duplex = DUPLEX_FULL;
  1241. break;
  1242. case MII_TG3_AUX_STAT_1000HALF:
  1243. *speed = SPEED_1000;
  1244. *duplex = DUPLEX_HALF;
  1245. break;
  1246. case MII_TG3_AUX_STAT_1000FULL:
  1247. *speed = SPEED_1000;
  1248. *duplex = DUPLEX_FULL;
  1249. break;
  1250. default:
  1251. *speed = SPEED_INVALID;
  1252. *duplex = DUPLEX_INVALID;
  1253. break;
  1254. };
  1255. }
  1256. static void tg3_phy_copper_begin(struct tg3 *tp)
  1257. {
  1258. u32 new_adv;
  1259. int i;
  1260. if (tp->link_config.phy_is_low_power) {
  1261. /* Entering low power mode. Disable gigabit and
  1262. * 100baseT advertisements.
  1263. */
  1264. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1265. new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1266. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1267. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1268. new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
  1269. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1270. } else if (tp->link_config.speed == SPEED_INVALID) {
  1271. tp->link_config.advertising =
  1272. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  1273. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  1274. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  1275. ADVERTISED_Autoneg | ADVERTISED_MII);
  1276. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  1277. tp->link_config.advertising &=
  1278. ~(ADVERTISED_1000baseT_Half |
  1279. ADVERTISED_1000baseT_Full);
  1280. new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1281. if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
  1282. new_adv |= ADVERTISE_10HALF;
  1283. if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
  1284. new_adv |= ADVERTISE_10FULL;
  1285. if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
  1286. new_adv |= ADVERTISE_100HALF;
  1287. if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
  1288. new_adv |= ADVERTISE_100FULL;
  1289. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1290. if (tp->link_config.advertising &
  1291. (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
  1292. new_adv = 0;
  1293. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  1294. new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
  1295. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  1296. new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
  1297. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
  1298. (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1299. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
  1300. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1301. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1302. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1303. } else {
  1304. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1305. }
  1306. } else {
  1307. /* Asking for a specific link mode. */
  1308. if (tp->link_config.speed == SPEED_1000) {
  1309. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1310. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1311. if (tp->link_config.duplex == DUPLEX_FULL)
  1312. new_adv = MII_TG3_CTRL_ADV_1000_FULL;
  1313. else
  1314. new_adv = MII_TG3_CTRL_ADV_1000_HALF;
  1315. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1316. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  1317. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1318. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1319. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1320. } else {
  1321. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1322. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1323. if (tp->link_config.speed == SPEED_100) {
  1324. if (tp->link_config.duplex == DUPLEX_FULL)
  1325. new_adv |= ADVERTISE_100FULL;
  1326. else
  1327. new_adv |= ADVERTISE_100HALF;
  1328. } else {
  1329. if (tp->link_config.duplex == DUPLEX_FULL)
  1330. new_adv |= ADVERTISE_10FULL;
  1331. else
  1332. new_adv |= ADVERTISE_10HALF;
  1333. }
  1334. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1335. }
  1336. }
  1337. if (tp->link_config.autoneg == AUTONEG_DISABLE &&
  1338. tp->link_config.speed != SPEED_INVALID) {
  1339. u32 bmcr, orig_bmcr;
  1340. tp->link_config.active_speed = tp->link_config.speed;
  1341. tp->link_config.active_duplex = tp->link_config.duplex;
  1342. bmcr = 0;
  1343. switch (tp->link_config.speed) {
  1344. default:
  1345. case SPEED_10:
  1346. break;
  1347. case SPEED_100:
  1348. bmcr |= BMCR_SPEED100;
  1349. break;
  1350. case SPEED_1000:
  1351. bmcr |= TG3_BMCR_SPEED1000;
  1352. break;
  1353. };
  1354. if (tp->link_config.duplex == DUPLEX_FULL)
  1355. bmcr |= BMCR_FULLDPLX;
  1356. if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
  1357. (bmcr != orig_bmcr)) {
  1358. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
  1359. for (i = 0; i < 1500; i++) {
  1360. u32 tmp;
  1361. udelay(10);
  1362. if (tg3_readphy(tp, MII_BMSR, &tmp) ||
  1363. tg3_readphy(tp, MII_BMSR, &tmp))
  1364. continue;
  1365. if (!(tmp & BMSR_LSTATUS)) {
  1366. udelay(40);
  1367. break;
  1368. }
  1369. }
  1370. tg3_writephy(tp, MII_BMCR, bmcr);
  1371. udelay(40);
  1372. }
  1373. } else {
  1374. tg3_writephy(tp, MII_BMCR,
  1375. BMCR_ANENABLE | BMCR_ANRESTART);
  1376. }
  1377. }
  1378. static int tg3_init_5401phy_dsp(struct tg3 *tp)
  1379. {
  1380. int err;
  1381. /* Turn off tap power management. */
  1382. /* Set Extended packet length bit */
  1383. err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  1384. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
  1385. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
  1386. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
  1387. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
  1388. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1389. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
  1390. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1391. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
  1392. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1393. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
  1394. udelay(40);
  1395. return err;
  1396. }
  1397. static int tg3_copper_is_advertising_all(struct tg3 *tp)
  1398. {
  1399. u32 adv_reg, all_mask;
  1400. if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
  1401. return 0;
  1402. all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1403. ADVERTISE_100HALF | ADVERTISE_100FULL);
  1404. if ((adv_reg & all_mask) != all_mask)
  1405. return 0;
  1406. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  1407. u32 tg3_ctrl;
  1408. if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
  1409. return 0;
  1410. all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
  1411. MII_TG3_CTRL_ADV_1000_FULL);
  1412. if ((tg3_ctrl & all_mask) != all_mask)
  1413. return 0;
  1414. }
  1415. return 1;
  1416. }
  1417. static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
  1418. {
  1419. int current_link_up;
  1420. u32 bmsr, dummy;
  1421. u16 current_speed;
  1422. u8 current_duplex;
  1423. int i, err;
  1424. tw32(MAC_EVENT, 0);
  1425. tw32_f(MAC_STATUS,
  1426. (MAC_STATUS_SYNC_CHANGED |
  1427. MAC_STATUS_CFG_CHANGED |
  1428. MAC_STATUS_MI_COMPLETION |
  1429. MAC_STATUS_LNKSTATE_CHANGED));
  1430. udelay(40);
  1431. tp->mi_mode = MAC_MI_MODE_BASE;
  1432. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1433. udelay(80);
  1434. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
  1435. /* Some third-party PHYs need to be reset on link going
  1436. * down.
  1437. */
  1438. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1439. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1440. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  1441. netif_carrier_ok(tp->dev)) {
  1442. tg3_readphy(tp, MII_BMSR, &bmsr);
  1443. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1444. !(bmsr & BMSR_LSTATUS))
  1445. force_reset = 1;
  1446. }
  1447. if (force_reset)
  1448. tg3_phy_reset(tp);
  1449. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  1450. tg3_readphy(tp, MII_BMSR, &bmsr);
  1451. if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
  1452. !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
  1453. bmsr = 0;
  1454. if (!(bmsr & BMSR_LSTATUS)) {
  1455. err = tg3_init_5401phy_dsp(tp);
  1456. if (err)
  1457. return err;
  1458. tg3_readphy(tp, MII_BMSR, &bmsr);
  1459. for (i = 0; i < 1000; i++) {
  1460. udelay(10);
  1461. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1462. (bmsr & BMSR_LSTATUS)) {
  1463. udelay(40);
  1464. break;
  1465. }
  1466. }
  1467. if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
  1468. !(bmsr & BMSR_LSTATUS) &&
  1469. tp->link_config.active_speed == SPEED_1000) {
  1470. err = tg3_phy_reset(tp);
  1471. if (!err)
  1472. err = tg3_init_5401phy_dsp(tp);
  1473. if (err)
  1474. return err;
  1475. }
  1476. }
  1477. } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1478. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
  1479. /* 5701 {A0,B0} CRC bug workaround */
  1480. tg3_writephy(tp, 0x15, 0x0a75);
  1481. tg3_writephy(tp, 0x1c, 0x8c68);
  1482. tg3_writephy(tp, 0x1c, 0x8d68);
  1483. tg3_writephy(tp, 0x1c, 0x8c68);
  1484. }
  1485. /* Clear pending interrupts... */
  1486. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1487. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1488. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
  1489. tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
  1490. else
  1491. tg3_writephy(tp, MII_TG3_IMASK, ~0);
  1492. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1493. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1494. if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
  1495. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1496. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  1497. else
  1498. tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
  1499. }
  1500. current_link_up = 0;
  1501. current_speed = SPEED_INVALID;
  1502. current_duplex = DUPLEX_INVALID;
  1503. if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
  1504. u32 val;
  1505. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
  1506. tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
  1507. if (!(val & (1 << 10))) {
  1508. val |= (1 << 10);
  1509. tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
  1510. goto relink;
  1511. }
  1512. }
  1513. bmsr = 0;
  1514. for (i = 0; i < 100; i++) {
  1515. tg3_readphy(tp, MII_BMSR, &bmsr);
  1516. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1517. (bmsr & BMSR_LSTATUS))
  1518. break;
  1519. udelay(40);
  1520. }
  1521. if (bmsr & BMSR_LSTATUS) {
  1522. u32 aux_stat, bmcr;
  1523. tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
  1524. for (i = 0; i < 2000; i++) {
  1525. udelay(10);
  1526. if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
  1527. aux_stat)
  1528. break;
  1529. }
  1530. tg3_aux_stat_to_speed_duplex(tp, aux_stat,
  1531. &current_speed,
  1532. &current_duplex);
  1533. bmcr = 0;
  1534. for (i = 0; i < 200; i++) {
  1535. tg3_readphy(tp, MII_BMCR, &bmcr);
  1536. if (tg3_readphy(tp, MII_BMCR, &bmcr))
  1537. continue;
  1538. if (bmcr && bmcr != 0x7fff)
  1539. break;
  1540. udelay(10);
  1541. }
  1542. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  1543. if (bmcr & BMCR_ANENABLE) {
  1544. current_link_up = 1;
  1545. /* Force autoneg restart if we are exiting
  1546. * low power mode.
  1547. */
  1548. if (!tg3_copper_is_advertising_all(tp))
  1549. current_link_up = 0;
  1550. } else {
  1551. current_link_up = 0;
  1552. }
  1553. } else {
  1554. if (!(bmcr & BMCR_ANENABLE) &&
  1555. tp->link_config.speed == current_speed &&
  1556. tp->link_config.duplex == current_duplex) {
  1557. current_link_up = 1;
  1558. } else {
  1559. current_link_up = 0;
  1560. }
  1561. }
  1562. tp->link_config.active_speed = current_speed;
  1563. tp->link_config.active_duplex = current_duplex;
  1564. }
  1565. if (current_link_up == 1 &&
  1566. (tp->link_config.active_duplex == DUPLEX_FULL) &&
  1567. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  1568. u32 local_adv, remote_adv;
  1569. if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
  1570. local_adv = 0;
  1571. local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
  1572. if (tg3_readphy(tp, MII_LPA, &remote_adv))
  1573. remote_adv = 0;
  1574. remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1575. /* If we are not advertising full pause capability,
  1576. * something is wrong. Bring the link down and reconfigure.
  1577. */
  1578. if (local_adv != ADVERTISE_PAUSE_CAP) {
  1579. current_link_up = 0;
  1580. } else {
  1581. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1582. }
  1583. }
  1584. relink:
  1585. if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
  1586. u32 tmp;
  1587. tg3_phy_copper_begin(tp);
  1588. tg3_readphy(tp, MII_BMSR, &tmp);
  1589. if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
  1590. (tmp & BMSR_LSTATUS))
  1591. current_link_up = 1;
  1592. }
  1593. tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
  1594. if (current_link_up == 1) {
  1595. if (tp->link_config.active_speed == SPEED_100 ||
  1596. tp->link_config.active_speed == SPEED_10)
  1597. tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
  1598. else
  1599. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1600. } else
  1601. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1602. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  1603. if (tp->link_config.active_duplex == DUPLEX_HALF)
  1604. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  1605. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  1606. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  1607. if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
  1608. (current_link_up == 1 &&
  1609. tp->link_config.active_speed == SPEED_10))
  1610. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1611. } else {
  1612. if (current_link_up == 1)
  1613. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1614. }
  1615. /* ??? Without this setting Netgear GA302T PHY does not
  1616. * ??? send/receive packets...
  1617. */
  1618. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
  1619. tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
  1620. tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
  1621. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1622. udelay(80);
  1623. }
  1624. tw32_f(MAC_MODE, tp->mac_mode);
  1625. udelay(40);
  1626. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  1627. /* Polled via timer. */
  1628. tw32_f(MAC_EVENT, 0);
  1629. } else {
  1630. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  1631. }
  1632. udelay(40);
  1633. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
  1634. current_link_up == 1 &&
  1635. tp->link_config.active_speed == SPEED_1000 &&
  1636. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
  1637. (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
  1638. udelay(120);
  1639. tw32_f(MAC_STATUS,
  1640. (MAC_STATUS_SYNC_CHANGED |
  1641. MAC_STATUS_CFG_CHANGED));
  1642. udelay(40);
  1643. tg3_write_mem(tp,
  1644. NIC_SRAM_FIRMWARE_MBOX,
  1645. NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
  1646. }
  1647. if (current_link_up != netif_carrier_ok(tp->dev)) {
  1648. if (current_link_up)
  1649. netif_carrier_on(tp->dev);
  1650. else
  1651. netif_carrier_off(tp->dev);
  1652. tg3_link_report(tp);
  1653. }
  1654. return 0;
  1655. }
  1656. struct tg3_fiber_aneginfo {
  1657. int state;
  1658. #define ANEG_STATE_UNKNOWN 0
  1659. #define ANEG_STATE_AN_ENABLE 1
  1660. #define ANEG_STATE_RESTART_INIT 2
  1661. #define ANEG_STATE_RESTART 3
  1662. #define ANEG_STATE_DISABLE_LINK_OK 4
  1663. #define ANEG_STATE_ABILITY_DETECT_INIT 5
  1664. #define ANEG_STATE_ABILITY_DETECT 6
  1665. #define ANEG_STATE_ACK_DETECT_INIT 7
  1666. #define ANEG_STATE_ACK_DETECT 8
  1667. #define ANEG_STATE_COMPLETE_ACK_INIT 9
  1668. #define ANEG_STATE_COMPLETE_ACK 10
  1669. #define ANEG_STATE_IDLE_DETECT_INIT 11
  1670. #define ANEG_STATE_IDLE_DETECT 12
  1671. #define ANEG_STATE_LINK_OK 13
  1672. #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
  1673. #define ANEG_STATE_NEXT_PAGE_WAIT 15
  1674. u32 flags;
  1675. #define MR_AN_ENABLE 0x00000001
  1676. #define MR_RESTART_AN 0x00000002
  1677. #define MR_AN_COMPLETE 0x00000004
  1678. #define MR_PAGE_RX 0x00000008
  1679. #define MR_NP_LOADED 0x00000010
  1680. #define MR_TOGGLE_TX 0x00000020
  1681. #define MR_LP_ADV_FULL_DUPLEX 0x00000040
  1682. #define MR_LP_ADV_HALF_DUPLEX 0x00000080
  1683. #define MR_LP_ADV_SYM_PAUSE 0x00000100
  1684. #define MR_LP_ADV_ASYM_PAUSE 0x00000200
  1685. #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
  1686. #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
  1687. #define MR_LP_ADV_NEXT_PAGE 0x00001000
  1688. #define MR_TOGGLE_RX 0x00002000
  1689. #define MR_NP_RX 0x00004000
  1690. #define MR_LINK_OK 0x80000000
  1691. unsigned long link_time, cur_time;
  1692. u32 ability_match_cfg;
  1693. int ability_match_count;
  1694. char ability_match, idle_match, ack_match;
  1695. u32 txconfig, rxconfig;
  1696. #define ANEG_CFG_NP 0x00000080
  1697. #define ANEG_CFG_ACK 0x00000040
  1698. #define ANEG_CFG_RF2 0x00000020
  1699. #define ANEG_CFG_RF1 0x00000010
  1700. #define ANEG_CFG_PS2 0x00000001
  1701. #define ANEG_CFG_PS1 0x00008000
  1702. #define ANEG_CFG_HD 0x00004000
  1703. #define ANEG_CFG_FD 0x00002000
  1704. #define ANEG_CFG_INVAL 0x00001f06
  1705. };
  1706. #define ANEG_OK 0
  1707. #define ANEG_DONE 1
  1708. #define ANEG_TIMER_ENAB 2
  1709. #define ANEG_FAILED -1
  1710. #define ANEG_STATE_SETTLE_TIME 10000
  1711. static int tg3_fiber_aneg_smachine(struct tg3 *tp,
  1712. struct tg3_fiber_aneginfo *ap)
  1713. {
  1714. unsigned long delta;
  1715. u32 rx_cfg_reg;
  1716. int ret;
  1717. if (ap->state == ANEG_STATE_UNKNOWN) {
  1718. ap->rxconfig = 0;
  1719. ap->link_time = 0;
  1720. ap->cur_time = 0;
  1721. ap->ability_match_cfg = 0;
  1722. ap->ability_match_count = 0;
  1723. ap->ability_match = 0;
  1724. ap->idle_match = 0;
  1725. ap->ack_match = 0;
  1726. }
  1727. ap->cur_time++;
  1728. if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
  1729. rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
  1730. if (rx_cfg_reg != ap->ability_match_cfg) {
  1731. ap->ability_match_cfg = rx_cfg_reg;
  1732. ap->ability_match = 0;
  1733. ap->ability_match_count = 0;
  1734. } else {
  1735. if (++ap->ability_match_count > 1) {
  1736. ap->ability_match = 1;
  1737. ap->ability_match_cfg = rx_cfg_reg;
  1738. }
  1739. }
  1740. if (rx_cfg_reg & ANEG_CFG_ACK)
  1741. ap->ack_match = 1;
  1742. else
  1743. ap->ack_match = 0;
  1744. ap->idle_match = 0;
  1745. } else {
  1746. ap->idle_match = 1;
  1747. ap->ability_match_cfg = 0;
  1748. ap->ability_match_count = 0;
  1749. ap->ability_match = 0;
  1750. ap->ack_match = 0;
  1751. rx_cfg_reg = 0;
  1752. }
  1753. ap->rxconfig = rx_cfg_reg;
  1754. ret = ANEG_OK;
  1755. switch(ap->state) {
  1756. case ANEG_STATE_UNKNOWN:
  1757. if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
  1758. ap->state = ANEG_STATE_AN_ENABLE;
  1759. /* fallthru */
  1760. case ANEG_STATE_AN_ENABLE:
  1761. ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
  1762. if (ap->flags & MR_AN_ENABLE) {
  1763. ap->link_time = 0;
  1764. ap->cur_time = 0;
  1765. ap->ability_match_cfg = 0;
  1766. ap->ability_match_count = 0;
  1767. ap->ability_match = 0;
  1768. ap->idle_match = 0;
  1769. ap->ack_match = 0;
  1770. ap->state = ANEG_STATE_RESTART_INIT;
  1771. } else {
  1772. ap->state = ANEG_STATE_DISABLE_LINK_OK;
  1773. }
  1774. break;
  1775. case ANEG_STATE_RESTART_INIT:
  1776. ap->link_time = ap->cur_time;
  1777. ap->flags &= ~(MR_NP_LOADED);
  1778. ap->txconfig = 0;
  1779. tw32(MAC_TX_AUTO_NEG, 0);
  1780. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1781. tw32_f(MAC_MODE, tp->mac_mode);
  1782. udelay(40);
  1783. ret = ANEG_TIMER_ENAB;
  1784. ap->state = ANEG_STATE_RESTART;
  1785. /* fallthru */
  1786. case ANEG_STATE_RESTART:
  1787. delta = ap->cur_time - ap->link_time;
  1788. if (delta > ANEG_STATE_SETTLE_TIME) {
  1789. ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
  1790. } else {
  1791. ret = ANEG_TIMER_ENAB;
  1792. }
  1793. break;
  1794. case ANEG_STATE_DISABLE_LINK_OK:
  1795. ret = ANEG_DONE;
  1796. break;
  1797. case ANEG_STATE_ABILITY_DETECT_INIT:
  1798. ap->flags &= ~(MR_TOGGLE_TX);
  1799. ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
  1800. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1801. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1802. tw32_f(MAC_MODE, tp->mac_mode);
  1803. udelay(40);
  1804. ap->state = ANEG_STATE_ABILITY_DETECT;
  1805. break;
  1806. case ANEG_STATE_ABILITY_DETECT:
  1807. if (ap->ability_match != 0 && ap->rxconfig != 0) {
  1808. ap->state = ANEG_STATE_ACK_DETECT_INIT;
  1809. }
  1810. break;
  1811. case ANEG_STATE_ACK_DETECT_INIT:
  1812. ap->txconfig |= ANEG_CFG_ACK;
  1813. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1814. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1815. tw32_f(MAC_MODE, tp->mac_mode);
  1816. udelay(40);
  1817. ap->state = ANEG_STATE_ACK_DETECT;
  1818. /* fallthru */
  1819. case ANEG_STATE_ACK_DETECT:
  1820. if (ap->ack_match != 0) {
  1821. if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
  1822. (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
  1823. ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
  1824. } else {
  1825. ap->state = ANEG_STATE_AN_ENABLE;
  1826. }
  1827. } else if (ap->ability_match != 0 &&
  1828. ap->rxconfig == 0) {
  1829. ap->state = ANEG_STATE_AN_ENABLE;
  1830. }
  1831. break;
  1832. case ANEG_STATE_COMPLETE_ACK_INIT:
  1833. if (ap->rxconfig & ANEG_CFG_INVAL) {
  1834. ret = ANEG_FAILED;
  1835. break;
  1836. }
  1837. ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
  1838. MR_LP_ADV_HALF_DUPLEX |
  1839. MR_LP_ADV_SYM_PAUSE |
  1840. MR_LP_ADV_ASYM_PAUSE |
  1841. MR_LP_ADV_REMOTE_FAULT1 |
  1842. MR_LP_ADV_REMOTE_FAULT2 |
  1843. MR_LP_ADV_NEXT_PAGE |
  1844. MR_TOGGLE_RX |
  1845. MR_NP_RX);
  1846. if (ap->rxconfig & ANEG_CFG_FD)
  1847. ap->flags |= MR_LP_ADV_FULL_DUPLEX;
  1848. if (ap->rxconfig & ANEG_CFG_HD)
  1849. ap->flags |= MR_LP_ADV_HALF_DUPLEX;
  1850. if (ap->rxconfig & ANEG_CFG_PS1)
  1851. ap->flags |= MR_LP_ADV_SYM_PAUSE;
  1852. if (ap->rxconfig & ANEG_CFG_PS2)
  1853. ap->flags |= MR_LP_ADV_ASYM_PAUSE;
  1854. if (ap->rxconfig & ANEG_CFG_RF1)
  1855. ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
  1856. if (ap->rxconfig & ANEG_CFG_RF2)
  1857. ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
  1858. if (ap->rxconfig & ANEG_CFG_NP)
  1859. ap->flags |= MR_LP_ADV_NEXT_PAGE;
  1860. ap->link_time = ap->cur_time;
  1861. ap->flags ^= (MR_TOGGLE_TX);
  1862. if (ap->rxconfig & 0x0008)
  1863. ap->flags |= MR_TOGGLE_RX;
  1864. if (ap->rxconfig & ANEG_CFG_NP)
  1865. ap->flags |= MR_NP_RX;
  1866. ap->flags |= MR_PAGE_RX;
  1867. ap->state = ANEG_STATE_COMPLETE_ACK;
  1868. ret = ANEG_TIMER_ENAB;
  1869. break;
  1870. case ANEG_STATE_COMPLETE_ACK:
  1871. if (ap->ability_match != 0 &&
  1872. ap->rxconfig == 0) {
  1873. ap->state = ANEG_STATE_AN_ENABLE;
  1874. break;
  1875. }
  1876. delta = ap->cur_time - ap->link_time;
  1877. if (delta > ANEG_STATE_SETTLE_TIME) {
  1878. if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
  1879. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1880. } else {
  1881. if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
  1882. !(ap->flags & MR_NP_RX)) {
  1883. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1884. } else {
  1885. ret = ANEG_FAILED;
  1886. }
  1887. }
  1888. }
  1889. break;
  1890. case ANEG_STATE_IDLE_DETECT_INIT:
  1891. ap->link_time = ap->cur_time;
  1892. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1893. tw32_f(MAC_MODE, tp->mac_mode);
  1894. udelay(40);
  1895. ap->state = ANEG_STATE_IDLE_DETECT;
  1896. ret = ANEG_TIMER_ENAB;
  1897. break;
  1898. case ANEG_STATE_IDLE_DETECT:
  1899. if (ap->ability_match != 0 &&
  1900. ap->rxconfig == 0) {
  1901. ap->state = ANEG_STATE_AN_ENABLE;
  1902. break;
  1903. }
  1904. delta = ap->cur_time - ap->link_time;
  1905. if (delta > ANEG_STATE_SETTLE_TIME) {
  1906. /* XXX another gem from the Broadcom driver :( */
  1907. ap->state = ANEG_STATE_LINK_OK;
  1908. }
  1909. break;
  1910. case ANEG_STATE_LINK_OK:
  1911. ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
  1912. ret = ANEG_DONE;
  1913. break;
  1914. case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
  1915. /* ??? unimplemented */
  1916. break;
  1917. case ANEG_STATE_NEXT_PAGE_WAIT:
  1918. /* ??? unimplemented */
  1919. break;
  1920. default:
  1921. ret = ANEG_FAILED;
  1922. break;
  1923. };
  1924. return ret;
  1925. }
  1926. static int fiber_autoneg(struct tg3 *tp, u32 *flags)
  1927. {
  1928. int res = 0;
  1929. struct tg3_fiber_aneginfo aninfo;
  1930. int status = ANEG_FAILED;
  1931. unsigned int tick;
  1932. u32 tmp;
  1933. tw32_f(MAC_TX_AUTO_NEG, 0);
  1934. tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  1935. tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
  1936. udelay(40);
  1937. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
  1938. udelay(40);
  1939. memset(&aninfo, 0, sizeof(aninfo));
  1940. aninfo.flags |= MR_AN_ENABLE;
  1941. aninfo.state = ANEG_STATE_UNKNOWN;
  1942. aninfo.cur_time = 0;
  1943. tick = 0;
  1944. while (++tick < 195000) {
  1945. status = tg3_fiber_aneg_smachine(tp, &aninfo);
  1946. if (status == ANEG_DONE || status == ANEG_FAILED)
  1947. break;
  1948. udelay(1);
  1949. }
  1950. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1951. tw32_f(MAC_MODE, tp->mac_mode);
  1952. udelay(40);
  1953. *flags = aninfo.flags;
  1954. if (status == ANEG_DONE &&
  1955. (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
  1956. MR_LP_ADV_FULL_DUPLEX)))
  1957. res = 1;
  1958. return res;
  1959. }
  1960. static void tg3_init_bcm8002(struct tg3 *tp)
  1961. {
  1962. u32 mac_status = tr32(MAC_STATUS);
  1963. int i;
  1964. /* Reset when initting first time or we have a link. */
  1965. if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
  1966. !(mac_status & MAC_STATUS_PCS_SYNCED))
  1967. return;
  1968. /* Set PLL lock range. */
  1969. tg3_writephy(tp, 0x16, 0x8007);
  1970. /* SW reset */
  1971. tg3_writephy(tp, MII_BMCR, BMCR_RESET);
  1972. /* Wait for reset to complete. */
  1973. /* XXX schedule_timeout() ... */
  1974. for (i = 0; i < 500; i++)
  1975. udelay(10);
  1976. /* Config mode; select PMA/Ch 1 regs. */
  1977. tg3_writephy(tp, 0x10, 0x8411);
  1978. /* Enable auto-lock and comdet, select txclk for tx. */
  1979. tg3_writephy(tp, 0x11, 0x0a10);
  1980. tg3_writephy(tp, 0x18, 0x00a0);
  1981. tg3_writephy(tp, 0x16, 0x41ff);
  1982. /* Assert and deassert POR. */
  1983. tg3_writephy(tp, 0x13, 0x0400);
  1984. udelay(40);
  1985. tg3_writephy(tp, 0x13, 0x0000);
  1986. tg3_writephy(tp, 0x11, 0x0a50);
  1987. udelay(40);
  1988. tg3_writephy(tp, 0x11, 0x0a10);
  1989. /* Wait for signal to stabilize */
  1990. /* XXX schedule_timeout() ... */
  1991. for (i = 0; i < 15000; i++)
  1992. udelay(10);
  1993. /* Deselect the channel register so we can read the PHYID
  1994. * later.
  1995. */
  1996. tg3_writephy(tp, 0x10, 0x8011);
  1997. }
  1998. static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
  1999. {
  2000. u32 sg_dig_ctrl, sg_dig_status;
  2001. u32 serdes_cfg, expected_sg_dig_ctrl;
  2002. int workaround, port_a;
  2003. int current_link_up;
  2004. serdes_cfg = 0;
  2005. expected_sg_dig_ctrl = 0;
  2006. workaround = 0;
  2007. port_a = 1;
  2008. current_link_up = 0;
  2009. if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
  2010. tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
  2011. workaround = 1;
  2012. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  2013. port_a = 0;
  2014. /* preserve bits 0-11,13,14 for signal pre-emphasis */
  2015. /* preserve bits 20-23 for voltage regulator */
  2016. serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
  2017. }
  2018. sg_dig_ctrl = tr32(SG_DIG_CTRL);
  2019. if (tp->link_config.autoneg != AUTONEG_ENABLE) {
  2020. if (sg_dig_ctrl & (1 << 31)) {
  2021. if (workaround) {
  2022. u32 val = serdes_cfg;
  2023. if (port_a)
  2024. val |= 0xc010000;
  2025. else
  2026. val |= 0x4010000;
  2027. tw32_f(MAC_SERDES_CFG, val);
  2028. }
  2029. tw32_f(SG_DIG_CTRL, 0x01388400);
  2030. }
  2031. if (mac_status & MAC_STATUS_PCS_SYNCED) {
  2032. tg3_setup_flow_control(tp, 0, 0);
  2033. current_link_up = 1;
  2034. }
  2035. goto out;
  2036. }
  2037. /* Want auto-negotiation. */
  2038. expected_sg_dig_ctrl = 0x81388400;
  2039. /* Pause capability */
  2040. expected_sg_dig_ctrl |= (1 << 11);
  2041. /* Asymettric pause */
  2042. expected_sg_dig_ctrl |= (1 << 12);
  2043. if (sg_dig_ctrl != expected_sg_dig_ctrl) {
  2044. if (workaround)
  2045. tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
  2046. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
  2047. udelay(5);
  2048. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
  2049. tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
  2050. } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
  2051. MAC_STATUS_SIGNAL_DET)) {
  2052. int i;
  2053. /* Giver time to negotiate (~200ms) */
  2054. for (i = 0; i < 40000; i++) {
  2055. sg_dig_status = tr32(SG_DIG_STATUS);
  2056. if (sg_dig_status & (0x3))
  2057. break;
  2058. udelay(5);
  2059. }
  2060. mac_status = tr32(MAC_STATUS);
  2061. if ((sg_dig_status & (1 << 1)) &&
  2062. (mac_status & MAC_STATUS_PCS_SYNCED)) {
  2063. u32 local_adv, remote_adv;
  2064. local_adv = ADVERTISE_PAUSE_CAP;
  2065. remote_adv = 0;
  2066. if (sg_dig_status & (1 << 19))
  2067. remote_adv |= LPA_PAUSE_CAP;
  2068. if (sg_dig_status & (1 << 20))
  2069. remote_adv |= LPA_PAUSE_ASYM;
  2070. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2071. current_link_up = 1;
  2072. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2073. } else if (!(sg_dig_status & (1 << 1))) {
  2074. if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED)
  2075. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2076. else {
  2077. if (workaround) {
  2078. u32 val = serdes_cfg;
  2079. if (port_a)
  2080. val |= 0xc010000;
  2081. else
  2082. val |= 0x4010000;
  2083. tw32_f(MAC_SERDES_CFG, val);
  2084. }
  2085. tw32_f(SG_DIG_CTRL, 0x01388400);
  2086. udelay(40);
  2087. /* Link parallel detection - link is up */
  2088. /* only if we have PCS_SYNC and not */
  2089. /* receiving config code words */
  2090. mac_status = tr32(MAC_STATUS);
  2091. if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
  2092. !(mac_status & MAC_STATUS_RCVD_CFG)) {
  2093. tg3_setup_flow_control(tp, 0, 0);
  2094. current_link_up = 1;
  2095. }
  2096. }
  2097. }
  2098. }
  2099. out:
  2100. return current_link_up;
  2101. }
  2102. static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
  2103. {
  2104. int current_link_up = 0;
  2105. if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
  2106. tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
  2107. goto out;
  2108. }
  2109. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2110. u32 flags;
  2111. int i;
  2112. if (fiber_autoneg(tp, &flags)) {
  2113. u32 local_adv, remote_adv;
  2114. local_adv = ADVERTISE_PAUSE_CAP;
  2115. remote_adv = 0;
  2116. if (flags & MR_LP_ADV_SYM_PAUSE)
  2117. remote_adv |= LPA_PAUSE_CAP;
  2118. if (flags & MR_LP_ADV_ASYM_PAUSE)
  2119. remote_adv |= LPA_PAUSE_ASYM;
  2120. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2121. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2122. current_link_up = 1;
  2123. }
  2124. for (i = 0; i < 30; i++) {
  2125. udelay(20);
  2126. tw32_f(MAC_STATUS,
  2127. (MAC_STATUS_SYNC_CHANGED |
  2128. MAC_STATUS_CFG_CHANGED));
  2129. udelay(40);
  2130. if ((tr32(MAC_STATUS) &
  2131. (MAC_STATUS_SYNC_CHANGED |
  2132. MAC_STATUS_CFG_CHANGED)) == 0)
  2133. break;
  2134. }
  2135. mac_status = tr32(MAC_STATUS);
  2136. if (current_link_up == 0 &&
  2137. (mac_status & MAC_STATUS_PCS_SYNCED) &&
  2138. !(mac_status & MAC_STATUS_RCVD_CFG))
  2139. current_link_up = 1;
  2140. } else {
  2141. /* Forcing 1000FD link up. */
  2142. current_link_up = 1;
  2143. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2144. tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
  2145. udelay(40);
  2146. }
  2147. out:
  2148. return current_link_up;
  2149. }
  2150. static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
  2151. {
  2152. u32 orig_pause_cfg;
  2153. u16 orig_active_speed;
  2154. u8 orig_active_duplex;
  2155. u32 mac_status;
  2156. int current_link_up;
  2157. int i;
  2158. orig_pause_cfg =
  2159. (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2160. TG3_FLAG_TX_PAUSE));
  2161. orig_active_speed = tp->link_config.active_speed;
  2162. orig_active_duplex = tp->link_config.active_duplex;
  2163. if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
  2164. netif_carrier_ok(tp->dev) &&
  2165. (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
  2166. mac_status = tr32(MAC_STATUS);
  2167. mac_status &= (MAC_STATUS_PCS_SYNCED |
  2168. MAC_STATUS_SIGNAL_DET |
  2169. MAC_STATUS_CFG_CHANGED |
  2170. MAC_STATUS_RCVD_CFG);
  2171. if (mac_status == (MAC_STATUS_PCS_SYNCED |
  2172. MAC_STATUS_SIGNAL_DET)) {
  2173. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2174. MAC_STATUS_CFG_CHANGED));
  2175. return 0;
  2176. }
  2177. }
  2178. tw32_f(MAC_TX_AUTO_NEG, 0);
  2179. tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
  2180. tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
  2181. tw32_f(MAC_MODE, tp->mac_mode);
  2182. udelay(40);
  2183. if (tp->phy_id == PHY_ID_BCM8002)
  2184. tg3_init_bcm8002(tp);
  2185. /* Enable link change event even when serdes polling. */
  2186. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2187. udelay(40);
  2188. current_link_up = 0;
  2189. mac_status = tr32(MAC_STATUS);
  2190. if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
  2191. current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
  2192. else
  2193. current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
  2194. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  2195. tw32_f(MAC_MODE, tp->mac_mode);
  2196. udelay(40);
  2197. tp->hw_status->status =
  2198. (SD_STATUS_UPDATED |
  2199. (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
  2200. for (i = 0; i < 100; i++) {
  2201. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2202. MAC_STATUS_CFG_CHANGED));
  2203. udelay(5);
  2204. if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
  2205. MAC_STATUS_CFG_CHANGED)) == 0)
  2206. break;
  2207. }
  2208. mac_status = tr32(MAC_STATUS);
  2209. if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
  2210. current_link_up = 0;
  2211. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2212. tw32_f(MAC_MODE, (tp->mac_mode |
  2213. MAC_MODE_SEND_CONFIGS));
  2214. udelay(1);
  2215. tw32_f(MAC_MODE, tp->mac_mode);
  2216. }
  2217. }
  2218. if (current_link_up == 1) {
  2219. tp->link_config.active_speed = SPEED_1000;
  2220. tp->link_config.active_duplex = DUPLEX_FULL;
  2221. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2222. LED_CTRL_LNKLED_OVERRIDE |
  2223. LED_CTRL_1000MBPS_ON));
  2224. } else {
  2225. tp->link_config.active_speed = SPEED_INVALID;
  2226. tp->link_config.active_duplex = DUPLEX_INVALID;
  2227. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2228. LED_CTRL_LNKLED_OVERRIDE |
  2229. LED_CTRL_TRAFFIC_OVERRIDE));
  2230. }
  2231. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2232. if (current_link_up)
  2233. netif_carrier_on(tp->dev);
  2234. else
  2235. netif_carrier_off(tp->dev);
  2236. tg3_link_report(tp);
  2237. } else {
  2238. u32 now_pause_cfg =
  2239. tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2240. TG3_FLAG_TX_PAUSE);
  2241. if (orig_pause_cfg != now_pause_cfg ||
  2242. orig_active_speed != tp->link_config.active_speed ||
  2243. orig_active_duplex != tp->link_config.active_duplex)
  2244. tg3_link_report(tp);
  2245. }
  2246. return 0;
  2247. }
  2248. static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
  2249. {
  2250. int current_link_up, err = 0;
  2251. u32 bmsr, bmcr;
  2252. u16 current_speed;
  2253. u8 current_duplex;
  2254. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  2255. tw32_f(MAC_MODE, tp->mac_mode);
  2256. udelay(40);
  2257. tw32(MAC_EVENT, 0);
  2258. tw32_f(MAC_STATUS,
  2259. (MAC_STATUS_SYNC_CHANGED |
  2260. MAC_STATUS_CFG_CHANGED |
  2261. MAC_STATUS_MI_COMPLETION |
  2262. MAC_STATUS_LNKSTATE_CHANGED));
  2263. udelay(40);
  2264. if (force_reset)
  2265. tg3_phy_reset(tp);
  2266. current_link_up = 0;
  2267. current_speed = SPEED_INVALID;
  2268. current_duplex = DUPLEX_INVALID;
  2269. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2270. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2271. err |= tg3_readphy(tp, MII_BMCR, &bmcr);
  2272. if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
  2273. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2274. /* do nothing, just check for link up at the end */
  2275. } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2276. u32 adv, new_adv;
  2277. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2278. new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
  2279. ADVERTISE_1000XPAUSE |
  2280. ADVERTISE_1000XPSE_ASYM |
  2281. ADVERTISE_SLCT);
  2282. /* Always advertise symmetric PAUSE just like copper */
  2283. new_adv |= ADVERTISE_1000XPAUSE;
  2284. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  2285. new_adv |= ADVERTISE_1000XHALF;
  2286. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  2287. new_adv |= ADVERTISE_1000XFULL;
  2288. if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
  2289. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  2290. bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
  2291. tg3_writephy(tp, MII_BMCR, bmcr);
  2292. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2293. tp->tg3_flags2 |= TG3_FLG2_PHY_JUST_INITTED;
  2294. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2295. return err;
  2296. }
  2297. } else {
  2298. u32 new_bmcr;
  2299. bmcr &= ~BMCR_SPEED1000;
  2300. new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
  2301. if (tp->link_config.duplex == DUPLEX_FULL)
  2302. new_bmcr |= BMCR_FULLDPLX;
  2303. if (new_bmcr != bmcr) {
  2304. /* BMCR_SPEED1000 is a reserved bit that needs
  2305. * to be set on write.
  2306. */
  2307. new_bmcr |= BMCR_SPEED1000;
  2308. /* Force a linkdown */
  2309. if (netif_carrier_ok(tp->dev)) {
  2310. u32 adv;
  2311. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2312. adv &= ~(ADVERTISE_1000XFULL |
  2313. ADVERTISE_1000XHALF |
  2314. ADVERTISE_SLCT);
  2315. tg3_writephy(tp, MII_ADVERTISE, adv);
  2316. tg3_writephy(tp, MII_BMCR, bmcr |
  2317. BMCR_ANRESTART |
  2318. BMCR_ANENABLE);
  2319. udelay(10);
  2320. netif_carrier_off(tp->dev);
  2321. }
  2322. tg3_writephy(tp, MII_BMCR, new_bmcr);
  2323. bmcr = new_bmcr;
  2324. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2325. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2326. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2327. }
  2328. }
  2329. if (bmsr & BMSR_LSTATUS) {
  2330. current_speed = SPEED_1000;
  2331. current_link_up = 1;
  2332. if (bmcr & BMCR_FULLDPLX)
  2333. current_duplex = DUPLEX_FULL;
  2334. else
  2335. current_duplex = DUPLEX_HALF;
  2336. if (bmcr & BMCR_ANENABLE) {
  2337. u32 local_adv, remote_adv, common;
  2338. err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
  2339. err |= tg3_readphy(tp, MII_LPA, &remote_adv);
  2340. common = local_adv & remote_adv;
  2341. if (common & (ADVERTISE_1000XHALF |
  2342. ADVERTISE_1000XFULL)) {
  2343. if (common & ADVERTISE_1000XFULL)
  2344. current_duplex = DUPLEX_FULL;
  2345. else
  2346. current_duplex = DUPLEX_HALF;
  2347. tg3_setup_flow_control(tp, local_adv,
  2348. remote_adv);
  2349. }
  2350. else
  2351. current_link_up = 0;
  2352. }
  2353. }
  2354. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  2355. if (tp->link_config.active_duplex == DUPLEX_HALF)
  2356. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  2357. tw32_f(MAC_MODE, tp->mac_mode);
  2358. udelay(40);
  2359. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2360. tp->link_config.active_speed = current_speed;
  2361. tp->link_config.active_duplex = current_duplex;
  2362. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2363. if (current_link_up)
  2364. netif_carrier_on(tp->dev);
  2365. else {
  2366. netif_carrier_off(tp->dev);
  2367. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2368. }
  2369. tg3_link_report(tp);
  2370. }
  2371. return err;
  2372. }
  2373. static void tg3_serdes_parallel_detect(struct tg3 *tp)
  2374. {
  2375. if (tp->tg3_flags2 & TG3_FLG2_PHY_JUST_INITTED) {
  2376. /* Give autoneg time to complete. */
  2377. tp->tg3_flags2 &= ~TG3_FLG2_PHY_JUST_INITTED;
  2378. return;
  2379. }
  2380. if (!netif_carrier_ok(tp->dev) &&
  2381. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  2382. u32 bmcr;
  2383. tg3_readphy(tp, MII_BMCR, &bmcr);
  2384. if (bmcr & BMCR_ANENABLE) {
  2385. u32 phy1, phy2;
  2386. /* Select shadow register 0x1f */
  2387. tg3_writephy(tp, 0x1c, 0x7c00);
  2388. tg3_readphy(tp, 0x1c, &phy1);
  2389. /* Select expansion interrupt status register */
  2390. tg3_writephy(tp, 0x17, 0x0f01);
  2391. tg3_readphy(tp, 0x15, &phy2);
  2392. tg3_readphy(tp, 0x15, &phy2);
  2393. if ((phy1 & 0x10) && !(phy2 & 0x20)) {
  2394. /* We have signal detect and not receiving
  2395. * config code words, link is up by parallel
  2396. * detection.
  2397. */
  2398. bmcr &= ~BMCR_ANENABLE;
  2399. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  2400. tg3_writephy(tp, MII_BMCR, bmcr);
  2401. tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
  2402. }
  2403. }
  2404. }
  2405. else if (netif_carrier_ok(tp->dev) &&
  2406. (tp->link_config.autoneg == AUTONEG_ENABLE) &&
  2407. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2408. u32 phy2;
  2409. /* Select expansion interrupt status register */
  2410. tg3_writephy(tp, 0x17, 0x0f01);
  2411. tg3_readphy(tp, 0x15, &phy2);
  2412. if (phy2 & 0x20) {
  2413. u32 bmcr;
  2414. /* Config code words received, turn on autoneg. */
  2415. tg3_readphy(tp, MII_BMCR, &bmcr);
  2416. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
  2417. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2418. }
  2419. }
  2420. }
  2421. static int tg3_setup_phy(struct tg3 *tp, int force_reset)
  2422. {
  2423. int err;
  2424. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  2425. err = tg3_setup_fiber_phy(tp, force_reset);
  2426. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  2427. err = tg3_setup_fiber_mii_phy(tp, force_reset);
  2428. } else {
  2429. err = tg3_setup_copper_phy(tp, force_reset);
  2430. }
  2431. if (tp->link_config.active_speed == SPEED_1000 &&
  2432. tp->link_config.active_duplex == DUPLEX_HALF)
  2433. tw32(MAC_TX_LENGTHS,
  2434. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2435. (6 << TX_LENGTHS_IPG_SHIFT) |
  2436. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2437. else
  2438. tw32(MAC_TX_LENGTHS,
  2439. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2440. (6 << TX_LENGTHS_IPG_SHIFT) |
  2441. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2442. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  2443. if (netif_carrier_ok(tp->dev)) {
  2444. tw32(HOSTCC_STAT_COAL_TICKS,
  2445. tp->coal.stats_block_coalesce_usecs);
  2446. } else {
  2447. tw32(HOSTCC_STAT_COAL_TICKS, 0);
  2448. }
  2449. }
  2450. return err;
  2451. }
  2452. /* Tigon3 never reports partial packet sends. So we do not
  2453. * need special logic to handle SKBs that have not had all
  2454. * of their frags sent yet, like SunGEM does.
  2455. */
  2456. static void tg3_tx(struct tg3 *tp)
  2457. {
  2458. u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
  2459. u32 sw_idx = tp->tx_cons;
  2460. while (sw_idx != hw_idx) {
  2461. struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
  2462. struct sk_buff *skb = ri->skb;
  2463. int i;
  2464. if (unlikely(skb == NULL))
  2465. BUG();
  2466. pci_unmap_single(tp->pdev,
  2467. pci_unmap_addr(ri, mapping),
  2468. skb_headlen(skb),
  2469. PCI_DMA_TODEVICE);
  2470. ri->skb = NULL;
  2471. sw_idx = NEXT_TX(sw_idx);
  2472. for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
  2473. if (unlikely(sw_idx == hw_idx))
  2474. BUG();
  2475. ri = &tp->tx_buffers[sw_idx];
  2476. if (unlikely(ri->skb != NULL))
  2477. BUG();
  2478. pci_unmap_page(tp->pdev,
  2479. pci_unmap_addr(ri, mapping),
  2480. skb_shinfo(skb)->frags[i].size,
  2481. PCI_DMA_TODEVICE);
  2482. sw_idx = NEXT_TX(sw_idx);
  2483. }
  2484. dev_kfree_skb(skb);
  2485. }
  2486. tp->tx_cons = sw_idx;
  2487. if (unlikely(netif_queue_stopped(tp->dev))) {
  2488. spin_lock(&tp->tx_lock);
  2489. if (netif_queue_stopped(tp->dev) &&
  2490. (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH))
  2491. netif_wake_queue(tp->dev);
  2492. spin_unlock(&tp->tx_lock);
  2493. }
  2494. }
  2495. /* Returns size of skb allocated or < 0 on error.
  2496. *
  2497. * We only need to fill in the address because the other members
  2498. * of the RX descriptor are invariant, see tg3_init_rings.
  2499. *
  2500. * Note the purposeful assymetry of cpu vs. chip accesses. For
  2501. * posting buffers we only dirty the first cache line of the RX
  2502. * descriptor (containing the address). Whereas for the RX status
  2503. * buffers the cpu only reads the last cacheline of the RX descriptor
  2504. * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  2505. */
  2506. static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
  2507. int src_idx, u32 dest_idx_unmasked)
  2508. {
  2509. struct tg3_rx_buffer_desc *desc;
  2510. struct ring_info *map, *src_map;
  2511. struct sk_buff *skb;
  2512. dma_addr_t mapping;
  2513. int skb_size, dest_idx;
  2514. src_map = NULL;
  2515. switch (opaque_key) {
  2516. case RXD_OPAQUE_RING_STD:
  2517. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2518. desc = &tp->rx_std[dest_idx];
  2519. map = &tp->rx_std_buffers[dest_idx];
  2520. if (src_idx >= 0)
  2521. src_map = &tp->rx_std_buffers[src_idx];
  2522. skb_size = tp->rx_pkt_buf_sz;
  2523. break;
  2524. case RXD_OPAQUE_RING_JUMBO:
  2525. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2526. desc = &tp->rx_jumbo[dest_idx];
  2527. map = &tp->rx_jumbo_buffers[dest_idx];
  2528. if (src_idx >= 0)
  2529. src_map = &tp->rx_jumbo_buffers[src_idx];
  2530. skb_size = RX_JUMBO_PKT_BUF_SZ;
  2531. break;
  2532. default:
  2533. return -EINVAL;
  2534. };
  2535. /* Do not overwrite any of the map or rp information
  2536. * until we are sure we can commit to a new buffer.
  2537. *
  2538. * Callers depend upon this behavior and assume that
  2539. * we leave everything unchanged if we fail.
  2540. */
  2541. skb = dev_alloc_skb(skb_size);
  2542. if (skb == NULL)
  2543. return -ENOMEM;
  2544. skb->dev = tp->dev;
  2545. skb_reserve(skb, tp->rx_offset);
  2546. mapping = pci_map_single(tp->pdev, skb->data,
  2547. skb_size - tp->rx_offset,
  2548. PCI_DMA_FROMDEVICE);
  2549. map->skb = skb;
  2550. pci_unmap_addr_set(map, mapping, mapping);
  2551. if (src_map != NULL)
  2552. src_map->skb = NULL;
  2553. desc->addr_hi = ((u64)mapping >> 32);
  2554. desc->addr_lo = ((u64)mapping & 0xffffffff);
  2555. return skb_size;
  2556. }
  2557. /* We only need to move over in the address because the other
  2558. * members of the RX descriptor are invariant. See notes above
  2559. * tg3_alloc_rx_skb for full details.
  2560. */
  2561. static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
  2562. int src_idx, u32 dest_idx_unmasked)
  2563. {
  2564. struct tg3_rx_buffer_desc *src_desc, *dest_desc;
  2565. struct ring_info *src_map, *dest_map;
  2566. int dest_idx;
  2567. switch (opaque_key) {
  2568. case RXD_OPAQUE_RING_STD:
  2569. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2570. dest_desc = &tp->rx_std[dest_idx];
  2571. dest_map = &tp->rx_std_buffers[dest_idx];
  2572. src_desc = &tp->rx_std[src_idx];
  2573. src_map = &tp->rx_std_buffers[src_idx];
  2574. break;
  2575. case RXD_OPAQUE_RING_JUMBO:
  2576. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2577. dest_desc = &tp->rx_jumbo[dest_idx];
  2578. dest_map = &tp->rx_jumbo_buffers[dest_idx];
  2579. src_desc = &tp->rx_jumbo[src_idx];
  2580. src_map = &tp->rx_jumbo_buffers[src_idx];
  2581. break;
  2582. default:
  2583. return;
  2584. };
  2585. dest_map->skb = src_map->skb;
  2586. pci_unmap_addr_set(dest_map, mapping,
  2587. pci_unmap_addr(src_map, mapping));
  2588. dest_desc->addr_hi = src_desc->addr_hi;
  2589. dest_desc->addr_lo = src_desc->addr_lo;
  2590. src_map->skb = NULL;
  2591. }
  2592. #if TG3_VLAN_TAG_USED
  2593. static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
  2594. {
  2595. return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
  2596. }
  2597. #endif
  2598. /* The RX ring scheme is composed of multiple rings which post fresh
  2599. * buffers to the chip, and one special ring the chip uses to report
  2600. * status back to the host.
  2601. *
  2602. * The special ring reports the status of received packets to the
  2603. * host. The chip does not write into the original descriptor the
  2604. * RX buffer was obtained from. The chip simply takes the original
  2605. * descriptor as provided by the host, updates the status and length
  2606. * field, then writes this into the next status ring entry.
  2607. *
  2608. * Each ring the host uses to post buffers to the chip is described
  2609. * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
  2610. * it is first placed into the on-chip ram. When the packet's length
  2611. * is known, it walks down the TG3_BDINFO entries to select the ring.
  2612. * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
  2613. * which is within the range of the new packet's length is chosen.
  2614. *
  2615. * The "separate ring for rx status" scheme may sound queer, but it makes
  2616. * sense from a cache coherency perspective. If only the host writes
  2617. * to the buffer post rings, and only the chip writes to the rx status
  2618. * rings, then cache lines never move beyond shared-modified state.
  2619. * If both the host and chip were to write into the same ring, cache line
  2620. * eviction could occur since both entities want it in an exclusive state.
  2621. */
  2622. static int tg3_rx(struct tg3 *tp, int budget)
  2623. {
  2624. u32 work_mask;
  2625. u32 sw_idx = tp->rx_rcb_ptr;
  2626. u16 hw_idx;
  2627. int received;
  2628. hw_idx = tp->hw_status->idx[0].rx_producer;
  2629. /*
  2630. * We need to order the read of hw_idx and the read of
  2631. * the opaque cookie.
  2632. */
  2633. rmb();
  2634. work_mask = 0;
  2635. received = 0;
  2636. while (sw_idx != hw_idx && budget > 0) {
  2637. struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
  2638. unsigned int len;
  2639. struct sk_buff *skb;
  2640. dma_addr_t dma_addr;
  2641. u32 opaque_key, desc_idx, *post_ptr;
  2642. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  2643. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  2644. if (opaque_key == RXD_OPAQUE_RING_STD) {
  2645. dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
  2646. mapping);
  2647. skb = tp->rx_std_buffers[desc_idx].skb;
  2648. post_ptr = &tp->rx_std_ptr;
  2649. } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
  2650. dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
  2651. mapping);
  2652. skb = tp->rx_jumbo_buffers[desc_idx].skb;
  2653. post_ptr = &tp->rx_jumbo_ptr;
  2654. }
  2655. else {
  2656. goto next_pkt_nopost;
  2657. }
  2658. work_mask |= opaque_key;
  2659. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  2660. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
  2661. drop_it:
  2662. tg3_recycle_rx(tp, opaque_key,
  2663. desc_idx, *post_ptr);
  2664. drop_it_no_recycle:
  2665. /* Other statistics kept track of by card. */
  2666. tp->net_stats.rx_dropped++;
  2667. goto next_pkt;
  2668. }
  2669. len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
  2670. if (len > RX_COPY_THRESHOLD
  2671. && tp->rx_offset == 2
  2672. /* rx_offset != 2 iff this is a 5701 card running
  2673. * in PCI-X mode [see tg3_get_invariants()] */
  2674. ) {
  2675. int skb_size;
  2676. skb_size = tg3_alloc_rx_skb(tp, opaque_key,
  2677. desc_idx, *post_ptr);
  2678. if (skb_size < 0)
  2679. goto drop_it;
  2680. pci_unmap_single(tp->pdev, dma_addr,
  2681. skb_size - tp->rx_offset,
  2682. PCI_DMA_FROMDEVICE);
  2683. skb_put(skb, len);
  2684. } else {
  2685. struct sk_buff *copy_skb;
  2686. tg3_recycle_rx(tp, opaque_key,
  2687. desc_idx, *post_ptr);
  2688. copy_skb = dev_alloc_skb(len + 2);
  2689. if (copy_skb == NULL)
  2690. goto drop_it_no_recycle;
  2691. copy_skb->dev = tp->dev;
  2692. skb_reserve(copy_skb, 2);
  2693. skb_put(copy_skb, len);
  2694. pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2695. memcpy(copy_skb->data, skb->data, len);
  2696. pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2697. /* We'll reuse the original ring buffer. */
  2698. skb = copy_skb;
  2699. }
  2700. if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
  2701. (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
  2702. (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
  2703. >> RXD_TCPCSUM_SHIFT) == 0xffff))
  2704. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2705. else
  2706. skb->ip_summed = CHECKSUM_NONE;
  2707. skb->protocol = eth_type_trans(skb, tp->dev);
  2708. #if TG3_VLAN_TAG_USED
  2709. if (tp->vlgrp != NULL &&
  2710. desc->type_flags & RXD_FLAG_VLAN) {
  2711. tg3_vlan_rx(tp, skb,
  2712. desc->err_vlan & RXD_VLAN_MASK);
  2713. } else
  2714. #endif
  2715. netif_receive_skb(skb);
  2716. tp->dev->last_rx = jiffies;
  2717. received++;
  2718. budget--;
  2719. next_pkt:
  2720. (*post_ptr)++;
  2721. next_pkt_nopost:
  2722. sw_idx++;
  2723. sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
  2724. /* Refresh hw_idx to see if there is new work */
  2725. if (sw_idx == hw_idx) {
  2726. hw_idx = tp->hw_status->idx[0].rx_producer;
  2727. rmb();
  2728. }
  2729. }
  2730. /* ACK the status ring. */
  2731. tp->rx_rcb_ptr = sw_idx;
  2732. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
  2733. /* Refill RX ring(s). */
  2734. if (work_mask & RXD_OPAQUE_RING_STD) {
  2735. sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
  2736. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  2737. sw_idx);
  2738. }
  2739. if (work_mask & RXD_OPAQUE_RING_JUMBO) {
  2740. sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
  2741. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  2742. sw_idx);
  2743. }
  2744. mmiowb();
  2745. return received;
  2746. }
  2747. static int tg3_poll(struct net_device *netdev, int *budget)
  2748. {
  2749. struct tg3 *tp = netdev_priv(netdev);
  2750. struct tg3_hw_status *sblk = tp->hw_status;
  2751. int done;
  2752. /* handle link change and other phy events */
  2753. if (!(tp->tg3_flags &
  2754. (TG3_FLAG_USE_LINKCHG_REG |
  2755. TG3_FLAG_POLL_SERDES))) {
  2756. if (sblk->status & SD_STATUS_LINK_CHG) {
  2757. sblk->status = SD_STATUS_UPDATED |
  2758. (sblk->status & ~SD_STATUS_LINK_CHG);
  2759. spin_lock(&tp->lock);
  2760. tg3_setup_phy(tp, 0);
  2761. spin_unlock(&tp->lock);
  2762. }
  2763. }
  2764. /* run TX completion thread */
  2765. if (sblk->idx[0].tx_consumer != tp->tx_cons) {
  2766. tg3_tx(tp);
  2767. }
  2768. /* run RX thread, within the bounds set by NAPI.
  2769. * All RX "locking" is done by ensuring outside
  2770. * code synchronizes with dev->poll()
  2771. */
  2772. if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
  2773. int orig_budget = *budget;
  2774. int work_done;
  2775. if (orig_budget > netdev->quota)
  2776. orig_budget = netdev->quota;
  2777. work_done = tg3_rx(tp, orig_budget);
  2778. *budget -= work_done;
  2779. netdev->quota -= work_done;
  2780. }
  2781. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  2782. tp->last_tag = sblk->status_tag;
  2783. rmb();
  2784. } else
  2785. sblk->status &= ~SD_STATUS_UPDATED;
  2786. /* if no more work, tell net stack and NIC we're done */
  2787. done = !tg3_has_work(tp);
  2788. if (done) {
  2789. netif_rx_complete(netdev);
  2790. tg3_restart_ints(tp);
  2791. }
  2792. return (done ? 0 : 1);
  2793. }
  2794. static void tg3_irq_quiesce(struct tg3 *tp)
  2795. {
  2796. BUG_ON(tp->irq_sync);
  2797. tp->irq_sync = 1;
  2798. smp_mb();
  2799. synchronize_irq(tp->pdev->irq);
  2800. }
  2801. static inline int tg3_irq_sync(struct tg3 *tp)
  2802. {
  2803. return tp->irq_sync;
  2804. }
  2805. /* Fully shutdown all tg3 driver activity elsewhere in the system.
  2806. * If irq_sync is non-zero, then the IRQ handler must be synchronized
  2807. * with as well. Most of the time, this is not necessary except when
  2808. * shutting down the device.
  2809. */
  2810. static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
  2811. {
  2812. if (irq_sync)
  2813. tg3_irq_quiesce(tp);
  2814. spin_lock_bh(&tp->lock);
  2815. spin_lock(&tp->tx_lock);
  2816. }
  2817. static inline void tg3_full_unlock(struct tg3 *tp)
  2818. {
  2819. spin_unlock(&tp->tx_lock);
  2820. spin_unlock_bh(&tp->lock);
  2821. }
  2822. /* MSI ISR - No need to check for interrupt sharing and no need to
  2823. * flush status block and interrupt mailbox. PCI ordering rules
  2824. * guarantee that MSI will arrive after the status block.
  2825. */
  2826. static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
  2827. {
  2828. struct net_device *dev = dev_id;
  2829. struct tg3 *tp = netdev_priv(dev);
  2830. prefetch(tp->hw_status);
  2831. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  2832. /*
  2833. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2834. * chip-internal interrupt pending events.
  2835. * Writing non-zero to intr-mbox-0 additional tells the
  2836. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2837. * event coalescing.
  2838. */
  2839. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  2840. if (likely(!tg3_irq_sync(tp)))
  2841. netif_rx_schedule(dev); /* schedule NAPI poll */
  2842. return IRQ_RETVAL(1);
  2843. }
  2844. static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  2845. {
  2846. struct net_device *dev = dev_id;
  2847. struct tg3 *tp = netdev_priv(dev);
  2848. struct tg3_hw_status *sblk = tp->hw_status;
  2849. unsigned int handled = 1;
  2850. /* In INTx mode, it is possible for the interrupt to arrive at
  2851. * the CPU before the status block posted prior to the interrupt.
  2852. * Reading the PCI State register will confirm whether the
  2853. * interrupt is ours and will flush the status block.
  2854. */
  2855. if ((sblk->status & SD_STATUS_UPDATED) ||
  2856. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2857. /*
  2858. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2859. * chip-internal interrupt pending events.
  2860. * Writing non-zero to intr-mbox-0 additional tells the
  2861. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2862. * event coalescing.
  2863. */
  2864. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2865. 0x00000001);
  2866. if (tg3_irq_sync(tp))
  2867. goto out;
  2868. sblk->status &= ~SD_STATUS_UPDATED;
  2869. if (likely(tg3_has_work(tp))) {
  2870. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  2871. netif_rx_schedule(dev); /* schedule NAPI poll */
  2872. } else {
  2873. /* No work, shared interrupt perhaps? re-enable
  2874. * interrupts, and flush that PCI write
  2875. */
  2876. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2877. 0x00000000);
  2878. }
  2879. } else { /* shared interrupt */
  2880. handled = 0;
  2881. }
  2882. out:
  2883. return IRQ_RETVAL(handled);
  2884. }
  2885. static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
  2886. {
  2887. struct net_device *dev = dev_id;
  2888. struct tg3 *tp = netdev_priv(dev);
  2889. struct tg3_hw_status *sblk = tp->hw_status;
  2890. unsigned int handled = 1;
  2891. /* In INTx mode, it is possible for the interrupt to arrive at
  2892. * the CPU before the status block posted prior to the interrupt.
  2893. * Reading the PCI State register will confirm whether the
  2894. * interrupt is ours and will flush the status block.
  2895. */
  2896. if ((sblk->status_tag != tp->last_tag) ||
  2897. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2898. /*
  2899. * writing any value to intr-mbox-0 clears PCI INTA# and
  2900. * chip-internal interrupt pending events.
  2901. * writing non-zero to intr-mbox-0 additional tells the
  2902. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2903. * event coalescing.
  2904. */
  2905. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2906. 0x00000001);
  2907. if (tg3_irq_sync(tp))
  2908. goto out;
  2909. if (netif_rx_schedule_prep(dev)) {
  2910. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  2911. /* Update last_tag to mark that this status has been
  2912. * seen. Because interrupt may be shared, we may be
  2913. * racing with tg3_poll(), so only update last_tag
  2914. * if tg3_poll() is not scheduled.
  2915. */
  2916. tp->last_tag = sblk->status_tag;
  2917. __netif_rx_schedule(dev);
  2918. }
  2919. } else { /* shared interrupt */
  2920. handled = 0;
  2921. }
  2922. out:
  2923. return IRQ_RETVAL(handled);
  2924. }
  2925. /* ISR for interrupt test */
  2926. static irqreturn_t tg3_test_isr(int irq, void *dev_id,
  2927. struct pt_regs *regs)
  2928. {
  2929. struct net_device *dev = dev_id;
  2930. struct tg3 *tp = netdev_priv(dev);
  2931. struct tg3_hw_status *sblk = tp->hw_status;
  2932. if ((sblk->status & SD_STATUS_UPDATED) ||
  2933. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2934. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  2935. 0x00000001);
  2936. return IRQ_RETVAL(1);
  2937. }
  2938. return IRQ_RETVAL(0);
  2939. }
  2940. static int tg3_init_hw(struct tg3 *);
  2941. static int tg3_halt(struct tg3 *, int, int);
  2942. #ifdef CONFIG_NET_POLL_CONTROLLER
  2943. static void tg3_poll_controller(struct net_device *dev)
  2944. {
  2945. struct tg3 *tp = netdev_priv(dev);
  2946. tg3_interrupt(tp->pdev->irq, dev, NULL);
  2947. }
  2948. #endif
  2949. static void tg3_reset_task(void *_data)
  2950. {
  2951. struct tg3 *tp = _data;
  2952. unsigned int restart_timer;
  2953. tg3_netif_stop(tp);
  2954. tg3_full_lock(tp, 1);
  2955. restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
  2956. tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
  2957. tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
  2958. tg3_init_hw(tp);
  2959. tg3_netif_start(tp);
  2960. tg3_full_unlock(tp);
  2961. if (restart_timer)
  2962. mod_timer(&tp->timer, jiffies + 1);
  2963. }
  2964. static void tg3_tx_timeout(struct net_device *dev)
  2965. {
  2966. struct tg3 *tp = netdev_priv(dev);
  2967. printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
  2968. dev->name);
  2969. schedule_work(&tp->reset_task);
  2970. }
  2971. /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
  2972. static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
  2973. {
  2974. u32 base = (u32) mapping & 0xffffffff;
  2975. return ((base > 0xffffdcc0) &&
  2976. (base + len + 8 < base));
  2977. }
  2978. static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
  2979. static int tigon3_4gb_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
  2980. u32 last_plus_one, u32 *start,
  2981. u32 base_flags, u32 mss)
  2982. {
  2983. struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
  2984. dma_addr_t new_addr = 0;
  2985. u32 entry = *start;
  2986. int i, ret = 0;
  2987. if (!new_skb) {
  2988. ret = -1;
  2989. } else {
  2990. /* New SKB is guaranteed to be linear. */
  2991. entry = *start;
  2992. new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
  2993. PCI_DMA_TODEVICE);
  2994. /* Make sure new skb does not cross any 4G boundaries.
  2995. * Drop the packet if it does.
  2996. */
  2997. if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
  2998. ret = -1;
  2999. dev_kfree_skb(new_skb);
  3000. new_skb = NULL;
  3001. } else {
  3002. tg3_set_txd(tp, entry, new_addr, new_skb->len,
  3003. base_flags, 1 | (mss << 1));
  3004. *start = NEXT_TX(entry);
  3005. }
  3006. }
  3007. /* Now clean up the sw ring entries. */
  3008. i = 0;
  3009. while (entry != last_plus_one) {
  3010. int len;
  3011. if (i == 0)
  3012. len = skb_headlen(skb);
  3013. else
  3014. len = skb_shinfo(skb)->frags[i-1].size;
  3015. pci_unmap_single(tp->pdev,
  3016. pci_unmap_addr(&tp->tx_buffers[entry], mapping),
  3017. len, PCI_DMA_TODEVICE);
  3018. if (i == 0) {
  3019. tp->tx_buffers[entry].skb = new_skb;
  3020. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
  3021. } else {
  3022. tp->tx_buffers[entry].skb = NULL;
  3023. }
  3024. entry = NEXT_TX(entry);
  3025. i++;
  3026. }
  3027. dev_kfree_skb(skb);
  3028. return ret;
  3029. }
  3030. static void tg3_set_txd(struct tg3 *tp, int entry,
  3031. dma_addr_t mapping, int len, u32 flags,
  3032. u32 mss_and_is_end)
  3033. {
  3034. struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
  3035. int is_end = (mss_and_is_end & 0x1);
  3036. u32 mss = (mss_and_is_end >> 1);
  3037. u32 vlan_tag = 0;
  3038. if (is_end)
  3039. flags |= TXD_FLAG_END;
  3040. if (flags & TXD_FLAG_VLAN) {
  3041. vlan_tag = flags >> 16;
  3042. flags &= 0xffff;
  3043. }
  3044. vlan_tag |= (mss << TXD_MSS_SHIFT);
  3045. txd->addr_hi = ((u64) mapping >> 32);
  3046. txd->addr_lo = ((u64) mapping & 0xffffffff);
  3047. txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
  3048. txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
  3049. }
  3050. static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
  3051. {
  3052. struct tg3 *tp = netdev_priv(dev);
  3053. dma_addr_t mapping;
  3054. u32 len, entry, base_flags, mss;
  3055. int would_hit_hwbug;
  3056. len = skb_headlen(skb);
  3057. /* No BH disabling for tx_lock here. We are running in BH disabled
  3058. * context and TX reclaim runs via tp->poll inside of a software
  3059. * interrupt. Furthermore, IRQ processing runs lockless so we have
  3060. * no IRQ context deadlocks to worry about either. Rejoice!
  3061. */
  3062. if (!spin_trylock(&tp->tx_lock))
  3063. return NETDEV_TX_LOCKED;
  3064. if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  3065. if (!netif_queue_stopped(dev)) {
  3066. netif_stop_queue(dev);
  3067. /* This is a hard error, log it. */
  3068. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
  3069. "queue awake!\n", dev->name);
  3070. }
  3071. spin_unlock(&tp->tx_lock);
  3072. return NETDEV_TX_BUSY;
  3073. }
  3074. entry = tp->tx_prod;
  3075. base_flags = 0;
  3076. if (skb->ip_summed == CHECKSUM_HW)
  3077. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  3078. #if TG3_TSO_SUPPORT != 0
  3079. mss = 0;
  3080. if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
  3081. (mss = skb_shinfo(skb)->tso_size) != 0) {
  3082. int tcp_opt_len, ip_tcp_len;
  3083. if (skb_header_cloned(skb) &&
  3084. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  3085. dev_kfree_skb(skb);
  3086. goto out_unlock;
  3087. }
  3088. tcp_opt_len = ((skb->h.th->doff - 5) * 4);
  3089. ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
  3090. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  3091. TXD_FLAG_CPU_POST_DMA);
  3092. skb->nh.iph->check = 0;
  3093. skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
  3094. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  3095. skb->h.th->check = 0;
  3096. base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
  3097. }
  3098. else {
  3099. skb->h.th->check =
  3100. ~csum_tcpudp_magic(skb->nh.iph->saddr,
  3101. skb->nh.iph->daddr,
  3102. 0, IPPROTO_TCP, 0);
  3103. }
  3104. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
  3105. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
  3106. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3107. int tsflags;
  3108. tsflags = ((skb->nh.iph->ihl - 5) +
  3109. (tcp_opt_len >> 2));
  3110. mss |= (tsflags << 11);
  3111. }
  3112. } else {
  3113. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3114. int tsflags;
  3115. tsflags = ((skb->nh.iph->ihl - 5) +
  3116. (tcp_opt_len >> 2));
  3117. base_flags |= tsflags << 12;
  3118. }
  3119. }
  3120. }
  3121. #else
  3122. mss = 0;
  3123. #endif
  3124. #if TG3_VLAN_TAG_USED
  3125. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  3126. base_flags |= (TXD_FLAG_VLAN |
  3127. (vlan_tx_tag_get(skb) << 16));
  3128. #endif
  3129. /* Queue skb data, a.k.a. the main skb fragment. */
  3130. mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  3131. tp->tx_buffers[entry].skb = skb;
  3132. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3133. would_hit_hwbug = 0;
  3134. if (tg3_4g_overflow_test(mapping, len))
  3135. would_hit_hwbug = 1;
  3136. tg3_set_txd(tp, entry, mapping, len, base_flags,
  3137. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  3138. entry = NEXT_TX(entry);
  3139. /* Now loop through additional data fragments, and queue them. */
  3140. if (skb_shinfo(skb)->nr_frags > 0) {
  3141. unsigned int i, last;
  3142. last = skb_shinfo(skb)->nr_frags - 1;
  3143. for (i = 0; i <= last; i++) {
  3144. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  3145. len = frag->size;
  3146. mapping = pci_map_page(tp->pdev,
  3147. frag->page,
  3148. frag->page_offset,
  3149. len, PCI_DMA_TODEVICE);
  3150. tp->tx_buffers[entry].skb = NULL;
  3151. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3152. if (tg3_4g_overflow_test(mapping, len))
  3153. would_hit_hwbug = 1;
  3154. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  3155. tg3_set_txd(tp, entry, mapping, len,
  3156. base_flags, (i == last)|(mss << 1));
  3157. else
  3158. tg3_set_txd(tp, entry, mapping, len,
  3159. base_flags, (i == last));
  3160. entry = NEXT_TX(entry);
  3161. }
  3162. }
  3163. if (would_hit_hwbug) {
  3164. u32 last_plus_one = entry;
  3165. u32 start;
  3166. start = entry - 1 - skb_shinfo(skb)->nr_frags;
  3167. start &= (TG3_TX_RING_SIZE - 1);
  3168. /* If the workaround fails due to memory/mapping
  3169. * failure, silently drop this packet.
  3170. */
  3171. if (tigon3_4gb_hwbug_workaround(tp, skb, last_plus_one,
  3172. &start, base_flags, mss))
  3173. goto out_unlock;
  3174. entry = start;
  3175. }
  3176. /* Packets are ready, update Tx producer idx local and on card. */
  3177. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  3178. tp->tx_prod = entry;
  3179. if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) {
  3180. netif_stop_queue(dev);
  3181. if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH)
  3182. netif_wake_queue(tp->dev);
  3183. }
  3184. out_unlock:
  3185. mmiowb();
  3186. spin_unlock(&tp->tx_lock);
  3187. dev->trans_start = jiffies;
  3188. return NETDEV_TX_OK;
  3189. }
  3190. static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
  3191. int new_mtu)
  3192. {
  3193. dev->mtu = new_mtu;
  3194. if (new_mtu > ETH_DATA_LEN) {
  3195. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  3196. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  3197. ethtool_op_set_tso(dev, 0);
  3198. }
  3199. else
  3200. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  3201. } else {
  3202. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  3203. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  3204. tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
  3205. }
  3206. }
  3207. static int tg3_change_mtu(struct net_device *dev, int new_mtu)
  3208. {
  3209. struct tg3 *tp = netdev_priv(dev);
  3210. if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
  3211. return -EINVAL;
  3212. if (!netif_running(dev)) {
  3213. /* We'll just catch it later when the
  3214. * device is up'd.
  3215. */
  3216. tg3_set_mtu(dev, tp, new_mtu);
  3217. return 0;
  3218. }
  3219. tg3_netif_stop(tp);
  3220. tg3_full_lock(tp, 1);
  3221. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  3222. tg3_set_mtu(dev, tp, new_mtu);
  3223. tg3_init_hw(tp);
  3224. tg3_netif_start(tp);
  3225. tg3_full_unlock(tp);
  3226. return 0;
  3227. }
  3228. /* Free up pending packets in all rx/tx rings.
  3229. *
  3230. * The chip has been shut down and the driver detached from
  3231. * the networking, so no interrupts or new tx packets will
  3232. * end up in the driver. tp->{tx,}lock is not held and we are not
  3233. * in an interrupt context and thus may sleep.
  3234. */
  3235. static void tg3_free_rings(struct tg3 *tp)
  3236. {
  3237. struct ring_info *rxp;
  3238. int i;
  3239. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3240. rxp = &tp->rx_std_buffers[i];
  3241. if (rxp->skb == NULL)
  3242. continue;
  3243. pci_unmap_single(tp->pdev,
  3244. pci_unmap_addr(rxp, mapping),
  3245. tp->rx_pkt_buf_sz - tp->rx_offset,
  3246. PCI_DMA_FROMDEVICE);
  3247. dev_kfree_skb_any(rxp->skb);
  3248. rxp->skb = NULL;
  3249. }
  3250. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3251. rxp = &tp->rx_jumbo_buffers[i];
  3252. if (rxp->skb == NULL)
  3253. continue;
  3254. pci_unmap_single(tp->pdev,
  3255. pci_unmap_addr(rxp, mapping),
  3256. RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
  3257. PCI_DMA_FROMDEVICE);
  3258. dev_kfree_skb_any(rxp->skb);
  3259. rxp->skb = NULL;
  3260. }
  3261. for (i = 0; i < TG3_TX_RING_SIZE; ) {
  3262. struct tx_ring_info *txp;
  3263. struct sk_buff *skb;
  3264. int j;
  3265. txp = &tp->tx_buffers[i];
  3266. skb = txp->skb;
  3267. if (skb == NULL) {
  3268. i++;
  3269. continue;
  3270. }
  3271. pci_unmap_single(tp->pdev,
  3272. pci_unmap_addr(txp, mapping),
  3273. skb_headlen(skb),
  3274. PCI_DMA_TODEVICE);
  3275. txp->skb = NULL;
  3276. i++;
  3277. for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
  3278. txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
  3279. pci_unmap_page(tp->pdev,
  3280. pci_unmap_addr(txp, mapping),
  3281. skb_shinfo(skb)->frags[j].size,
  3282. PCI_DMA_TODEVICE);
  3283. i++;
  3284. }
  3285. dev_kfree_skb_any(skb);
  3286. }
  3287. }
  3288. /* Initialize tx/rx rings for packet processing.
  3289. *
  3290. * The chip has been shut down and the driver detached from
  3291. * the networking, so no interrupts or new tx packets will
  3292. * end up in the driver. tp->{tx,}lock are held and thus
  3293. * we may not sleep.
  3294. */
  3295. static void tg3_init_rings(struct tg3 *tp)
  3296. {
  3297. u32 i;
  3298. /* Free up all the SKBs. */
  3299. tg3_free_rings(tp);
  3300. /* Zero out all descriptors. */
  3301. memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
  3302. memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
  3303. memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
  3304. memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
  3305. tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
  3306. if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
  3307. (tp->dev->mtu > ETH_DATA_LEN))
  3308. tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
  3309. /* Initialize invariants of the rings, we only set this
  3310. * stuff once. This works because the card does not
  3311. * write into the rx buffer posting rings.
  3312. */
  3313. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3314. struct tg3_rx_buffer_desc *rxd;
  3315. rxd = &tp->rx_std[i];
  3316. rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
  3317. << RXD_LEN_SHIFT;
  3318. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
  3319. rxd->opaque = (RXD_OPAQUE_RING_STD |
  3320. (i << RXD_OPAQUE_INDEX_SHIFT));
  3321. }
  3322. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3323. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3324. struct tg3_rx_buffer_desc *rxd;
  3325. rxd = &tp->rx_jumbo[i];
  3326. rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
  3327. << RXD_LEN_SHIFT;
  3328. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
  3329. RXD_FLAG_JUMBO;
  3330. rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
  3331. (i << RXD_OPAQUE_INDEX_SHIFT));
  3332. }
  3333. }
  3334. /* Now allocate fresh SKBs for each rx ring. */
  3335. for (i = 0; i < tp->rx_pending; i++) {
  3336. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD,
  3337. -1, i) < 0)
  3338. break;
  3339. }
  3340. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3341. for (i = 0; i < tp->rx_jumbo_pending; i++) {
  3342. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
  3343. -1, i) < 0)
  3344. break;
  3345. }
  3346. }
  3347. }
  3348. /*
  3349. * Must not be invoked with interrupt sources disabled and
  3350. * the hardware shutdown down.
  3351. */
  3352. static void tg3_free_consistent(struct tg3 *tp)
  3353. {
  3354. kfree(tp->rx_std_buffers);
  3355. tp->rx_std_buffers = NULL;
  3356. if (tp->rx_std) {
  3357. pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3358. tp->rx_std, tp->rx_std_mapping);
  3359. tp->rx_std = NULL;
  3360. }
  3361. if (tp->rx_jumbo) {
  3362. pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3363. tp->rx_jumbo, tp->rx_jumbo_mapping);
  3364. tp->rx_jumbo = NULL;
  3365. }
  3366. if (tp->rx_rcb) {
  3367. pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3368. tp->rx_rcb, tp->rx_rcb_mapping);
  3369. tp->rx_rcb = NULL;
  3370. }
  3371. if (tp->tx_ring) {
  3372. pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3373. tp->tx_ring, tp->tx_desc_mapping);
  3374. tp->tx_ring = NULL;
  3375. }
  3376. if (tp->hw_status) {
  3377. pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
  3378. tp->hw_status, tp->status_mapping);
  3379. tp->hw_status = NULL;
  3380. }
  3381. if (tp->hw_stats) {
  3382. pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
  3383. tp->hw_stats, tp->stats_mapping);
  3384. tp->hw_stats = NULL;
  3385. }
  3386. }
  3387. /*
  3388. * Must not be invoked with interrupt sources disabled and
  3389. * the hardware shutdown down. Can sleep.
  3390. */
  3391. static int tg3_alloc_consistent(struct tg3 *tp)
  3392. {
  3393. tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
  3394. (TG3_RX_RING_SIZE +
  3395. TG3_RX_JUMBO_RING_SIZE)) +
  3396. (sizeof(struct tx_ring_info) *
  3397. TG3_TX_RING_SIZE),
  3398. GFP_KERNEL);
  3399. if (!tp->rx_std_buffers)
  3400. return -ENOMEM;
  3401. memset(tp->rx_std_buffers, 0,
  3402. (sizeof(struct ring_info) *
  3403. (TG3_RX_RING_SIZE +
  3404. TG3_RX_JUMBO_RING_SIZE)) +
  3405. (sizeof(struct tx_ring_info) *
  3406. TG3_TX_RING_SIZE));
  3407. tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
  3408. tp->tx_buffers = (struct tx_ring_info *)
  3409. &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
  3410. tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3411. &tp->rx_std_mapping);
  3412. if (!tp->rx_std)
  3413. goto err_out;
  3414. tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3415. &tp->rx_jumbo_mapping);
  3416. if (!tp->rx_jumbo)
  3417. goto err_out;
  3418. tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3419. &tp->rx_rcb_mapping);
  3420. if (!tp->rx_rcb)
  3421. goto err_out;
  3422. tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3423. &tp->tx_desc_mapping);
  3424. if (!tp->tx_ring)
  3425. goto err_out;
  3426. tp->hw_status = pci_alloc_consistent(tp->pdev,
  3427. TG3_HW_STATUS_SIZE,
  3428. &tp->status_mapping);
  3429. if (!tp->hw_status)
  3430. goto err_out;
  3431. tp->hw_stats = pci_alloc_consistent(tp->pdev,
  3432. sizeof(struct tg3_hw_stats),
  3433. &tp->stats_mapping);
  3434. if (!tp->hw_stats)
  3435. goto err_out;
  3436. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3437. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3438. return 0;
  3439. err_out:
  3440. tg3_free_consistent(tp);
  3441. return -ENOMEM;
  3442. }
  3443. #define MAX_WAIT_CNT 1000
  3444. /* To stop a block, clear the enable bit and poll till it
  3445. * clears. tp->lock is held.
  3446. */
  3447. static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
  3448. {
  3449. unsigned int i;
  3450. u32 val;
  3451. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  3452. switch (ofs) {
  3453. case RCVLSC_MODE:
  3454. case DMAC_MODE:
  3455. case MBFREE_MODE:
  3456. case BUFMGR_MODE:
  3457. case MEMARB_MODE:
  3458. /* We can't enable/disable these bits of the
  3459. * 5705/5750, just say success.
  3460. */
  3461. return 0;
  3462. default:
  3463. break;
  3464. };
  3465. }
  3466. val = tr32(ofs);
  3467. val &= ~enable_bit;
  3468. tw32_f(ofs, val);
  3469. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3470. udelay(100);
  3471. val = tr32(ofs);
  3472. if ((val & enable_bit) == 0)
  3473. break;
  3474. }
  3475. if (i == MAX_WAIT_CNT && !silent) {
  3476. printk(KERN_ERR PFX "tg3_stop_block timed out, "
  3477. "ofs=%lx enable_bit=%x\n",
  3478. ofs, enable_bit);
  3479. return -ENODEV;
  3480. }
  3481. return 0;
  3482. }
  3483. /* tp->lock is held. */
  3484. static int tg3_abort_hw(struct tg3 *tp, int silent)
  3485. {
  3486. int i, err;
  3487. tg3_disable_ints(tp);
  3488. tp->rx_mode &= ~RX_MODE_ENABLE;
  3489. tw32_f(MAC_RX_MODE, tp->rx_mode);
  3490. udelay(10);
  3491. err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
  3492. err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
  3493. err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
  3494. err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
  3495. err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
  3496. err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
  3497. err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
  3498. err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
  3499. err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
  3500. err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
  3501. err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
  3502. err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
  3503. err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
  3504. tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
  3505. tw32_f(MAC_MODE, tp->mac_mode);
  3506. udelay(40);
  3507. tp->tx_mode &= ~TX_MODE_ENABLE;
  3508. tw32_f(MAC_TX_MODE, tp->tx_mode);
  3509. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3510. udelay(100);
  3511. if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
  3512. break;
  3513. }
  3514. if (i >= MAX_WAIT_CNT) {
  3515. printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
  3516. "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
  3517. tp->dev->name, tr32(MAC_TX_MODE));
  3518. err |= -ENODEV;
  3519. }
  3520. err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
  3521. err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
  3522. err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
  3523. tw32(FTQ_RESET, 0xffffffff);
  3524. tw32(FTQ_RESET, 0x00000000);
  3525. err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
  3526. err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
  3527. if (tp->hw_status)
  3528. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3529. if (tp->hw_stats)
  3530. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3531. return err;
  3532. }
  3533. /* tp->lock is held. */
  3534. static int tg3_nvram_lock(struct tg3 *tp)
  3535. {
  3536. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  3537. int i;
  3538. tw32(NVRAM_SWARB, SWARB_REQ_SET1);
  3539. for (i = 0; i < 8000; i++) {
  3540. if (tr32(NVRAM_SWARB) & SWARB_GNT1)
  3541. break;
  3542. udelay(20);
  3543. }
  3544. if (i == 8000)
  3545. return -ENODEV;
  3546. }
  3547. return 0;
  3548. }
  3549. /* tp->lock is held. */
  3550. static void tg3_nvram_unlock(struct tg3 *tp)
  3551. {
  3552. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  3553. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
  3554. }
  3555. /* tp->lock is held. */
  3556. static void tg3_enable_nvram_access(struct tg3 *tp)
  3557. {
  3558. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3559. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3560. u32 nvaccess = tr32(NVRAM_ACCESS);
  3561. tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
  3562. }
  3563. }
  3564. /* tp->lock is held. */
  3565. static void tg3_disable_nvram_access(struct tg3 *tp)
  3566. {
  3567. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3568. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3569. u32 nvaccess = tr32(NVRAM_ACCESS);
  3570. tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
  3571. }
  3572. }
  3573. /* tp->lock is held. */
  3574. static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
  3575. {
  3576. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3577. tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
  3578. NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
  3579. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3580. switch (kind) {
  3581. case RESET_KIND_INIT:
  3582. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3583. DRV_STATE_START);
  3584. break;
  3585. case RESET_KIND_SHUTDOWN:
  3586. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3587. DRV_STATE_UNLOAD);
  3588. break;
  3589. case RESET_KIND_SUSPEND:
  3590. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3591. DRV_STATE_SUSPEND);
  3592. break;
  3593. default:
  3594. break;
  3595. };
  3596. }
  3597. }
  3598. /* tp->lock is held. */
  3599. static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
  3600. {
  3601. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3602. switch (kind) {
  3603. case RESET_KIND_INIT:
  3604. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3605. DRV_STATE_START_DONE);
  3606. break;
  3607. case RESET_KIND_SHUTDOWN:
  3608. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3609. DRV_STATE_UNLOAD_DONE);
  3610. break;
  3611. default:
  3612. break;
  3613. };
  3614. }
  3615. }
  3616. /* tp->lock is held. */
  3617. static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
  3618. {
  3619. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3620. switch (kind) {
  3621. case RESET_KIND_INIT:
  3622. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3623. DRV_STATE_START);
  3624. break;
  3625. case RESET_KIND_SHUTDOWN:
  3626. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3627. DRV_STATE_UNLOAD);
  3628. break;
  3629. case RESET_KIND_SUSPEND:
  3630. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3631. DRV_STATE_SUSPEND);
  3632. break;
  3633. default:
  3634. break;
  3635. };
  3636. }
  3637. }
  3638. static void tg3_stop_fw(struct tg3 *);
  3639. /* tp->lock is held. */
  3640. static int tg3_chip_reset(struct tg3 *tp)
  3641. {
  3642. u32 val;
  3643. void (*write_op)(struct tg3 *, u32, u32);
  3644. int i;
  3645. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
  3646. tg3_nvram_lock(tp);
  3647. /*
  3648. * We must avoid the readl() that normally takes place.
  3649. * It locks machines, causes machine checks, and other
  3650. * fun things. So, temporarily disable the 5701
  3651. * hardware workaround, while we do the reset.
  3652. */
  3653. write_op = tp->write32;
  3654. if (write_op == tg3_write_flush_reg32)
  3655. tp->write32 = tg3_write32;
  3656. /* do the reset */
  3657. val = GRC_MISC_CFG_CORECLK_RESET;
  3658. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3659. if (tr32(0x7e2c) == 0x60) {
  3660. tw32(0x7e2c, 0x20);
  3661. }
  3662. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3663. tw32(GRC_MISC_CFG, (1 << 29));
  3664. val |= (1 << 29);
  3665. }
  3666. }
  3667. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  3668. val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
  3669. tw32(GRC_MISC_CFG, val);
  3670. /* restore 5701 hardware bug workaround write method */
  3671. tp->write32 = write_op;
  3672. /* Unfortunately, we have to delay before the PCI read back.
  3673. * Some 575X chips even will not respond to a PCI cfg access
  3674. * when the reset command is given to the chip.
  3675. *
  3676. * How do these hardware designers expect things to work
  3677. * properly if the PCI write is posted for a long period
  3678. * of time? It is always necessary to have some method by
  3679. * which a register read back can occur to push the write
  3680. * out which does the reset.
  3681. *
  3682. * For most tg3 variants the trick below was working.
  3683. * Ho hum...
  3684. */
  3685. udelay(120);
  3686. /* Flush PCI posted writes. The normal MMIO registers
  3687. * are inaccessible at this time so this is the only
  3688. * way to make this reliably (actually, this is no longer
  3689. * the case, see above). I tried to use indirect
  3690. * register read/write but this upset some 5701 variants.
  3691. */
  3692. pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
  3693. udelay(120);
  3694. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  3695. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
  3696. int i;
  3697. u32 cfg_val;
  3698. /* Wait for link training to complete. */
  3699. for (i = 0; i < 5000; i++)
  3700. udelay(100);
  3701. pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
  3702. pci_write_config_dword(tp->pdev, 0xc4,
  3703. cfg_val | (1 << 15));
  3704. }
  3705. /* Set PCIE max payload size and clear error status. */
  3706. pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
  3707. }
  3708. /* Re-enable indirect register accesses. */
  3709. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  3710. tp->misc_host_ctrl);
  3711. /* Set MAX PCI retry to zero. */
  3712. val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
  3713. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  3714. (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
  3715. val |= PCISTATE_RETRY_SAME_DMA;
  3716. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
  3717. pci_restore_state(tp->pdev);
  3718. /* Make sure PCI-X relaxed ordering bit is clear. */
  3719. pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
  3720. val &= ~PCIX_CAPS_RELAXED_ORDERING;
  3721. pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
  3722. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  3723. u32 val;
  3724. /* Chip reset on 5780 will reset MSI enable bit,
  3725. * so need to restore it.
  3726. */
  3727. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  3728. u16 ctrl;
  3729. pci_read_config_word(tp->pdev,
  3730. tp->msi_cap + PCI_MSI_FLAGS,
  3731. &ctrl);
  3732. pci_write_config_word(tp->pdev,
  3733. tp->msi_cap + PCI_MSI_FLAGS,
  3734. ctrl | PCI_MSI_FLAGS_ENABLE);
  3735. val = tr32(MSGINT_MODE);
  3736. tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
  3737. }
  3738. val = tr32(MEMARB_MODE);
  3739. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  3740. } else
  3741. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  3742. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
  3743. tg3_stop_fw(tp);
  3744. tw32(0x5000, 0x400);
  3745. }
  3746. tw32(GRC_MODE, tp->grc_mode);
  3747. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
  3748. u32 val = tr32(0xc4);
  3749. tw32(0xc4, val | (1 << 15));
  3750. }
  3751. if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
  3752. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  3753. tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
  3754. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
  3755. tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
  3756. tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  3757. }
  3758. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  3759. tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
  3760. tw32_f(MAC_MODE, tp->mac_mode);
  3761. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  3762. tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
  3763. tw32_f(MAC_MODE, tp->mac_mode);
  3764. } else
  3765. tw32_f(MAC_MODE, 0);
  3766. udelay(40);
  3767. if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) {
  3768. /* Wait for firmware initialization to complete. */
  3769. for (i = 0; i < 100000; i++) {
  3770. tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
  3771. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  3772. break;
  3773. udelay(10);
  3774. }
  3775. if (i >= 100000) {
  3776. printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, "
  3777. "firmware will not restart magic=%08x\n",
  3778. tp->dev->name, val);
  3779. return -ENODEV;
  3780. }
  3781. }
  3782. if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  3783. tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  3784. u32 val = tr32(0x7c00);
  3785. tw32(0x7c00, val | (1 << 25));
  3786. }
  3787. /* Reprobe ASF enable state. */
  3788. tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
  3789. tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
  3790. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  3791. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  3792. u32 nic_cfg;
  3793. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  3794. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  3795. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  3796. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  3797. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  3798. }
  3799. }
  3800. return 0;
  3801. }
  3802. /* tp->lock is held. */
  3803. static void tg3_stop_fw(struct tg3 *tp)
  3804. {
  3805. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3806. u32 val;
  3807. int i;
  3808. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
  3809. val = tr32(GRC_RX_CPU_EVENT);
  3810. val |= (1 << 14);
  3811. tw32(GRC_RX_CPU_EVENT, val);
  3812. /* Wait for RX cpu to ACK the event. */
  3813. for (i = 0; i < 100; i++) {
  3814. if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
  3815. break;
  3816. udelay(1);
  3817. }
  3818. }
  3819. }
  3820. /* tp->lock is held. */
  3821. static int tg3_halt(struct tg3 *tp, int kind, int silent)
  3822. {
  3823. int err;
  3824. tg3_stop_fw(tp);
  3825. tg3_write_sig_pre_reset(tp, kind);
  3826. tg3_abort_hw(tp, silent);
  3827. err = tg3_chip_reset(tp);
  3828. tg3_write_sig_legacy(tp, kind);
  3829. tg3_write_sig_post_reset(tp, kind);
  3830. if (err)
  3831. return err;
  3832. return 0;
  3833. }
  3834. #define TG3_FW_RELEASE_MAJOR 0x0
  3835. #define TG3_FW_RELASE_MINOR 0x0
  3836. #define TG3_FW_RELEASE_FIX 0x0
  3837. #define TG3_FW_START_ADDR 0x08000000
  3838. #define TG3_FW_TEXT_ADDR 0x08000000
  3839. #define TG3_FW_TEXT_LEN 0x9c0
  3840. #define TG3_FW_RODATA_ADDR 0x080009c0
  3841. #define TG3_FW_RODATA_LEN 0x60
  3842. #define TG3_FW_DATA_ADDR 0x08000a40
  3843. #define TG3_FW_DATA_LEN 0x20
  3844. #define TG3_FW_SBSS_ADDR 0x08000a60
  3845. #define TG3_FW_SBSS_LEN 0xc
  3846. #define TG3_FW_BSS_ADDR 0x08000a70
  3847. #define TG3_FW_BSS_LEN 0x10
  3848. static u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
  3849. 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
  3850. 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
  3851. 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
  3852. 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
  3853. 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
  3854. 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
  3855. 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
  3856. 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
  3857. 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
  3858. 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
  3859. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
  3860. 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
  3861. 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
  3862. 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
  3863. 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
  3864. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  3865. 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
  3866. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
  3867. 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
  3868. 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  3869. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
  3870. 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
  3871. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  3872. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3873. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3874. 0, 0, 0, 0, 0, 0,
  3875. 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
  3876. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3877. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3878. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3879. 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
  3880. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
  3881. 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
  3882. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
  3883. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3884. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  3885. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
  3886. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3887. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3888. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  3889. 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
  3890. 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
  3891. 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
  3892. 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
  3893. 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
  3894. 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
  3895. 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
  3896. 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
  3897. 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
  3898. 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
  3899. 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
  3900. 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
  3901. 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
  3902. 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
  3903. 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
  3904. 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
  3905. 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
  3906. 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
  3907. 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
  3908. 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
  3909. 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
  3910. 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
  3911. 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
  3912. 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
  3913. 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
  3914. 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
  3915. 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
  3916. 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
  3917. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
  3918. 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
  3919. 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
  3920. 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
  3921. 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
  3922. 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
  3923. 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
  3924. 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
  3925. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
  3926. 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
  3927. 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
  3928. 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
  3929. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
  3930. 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
  3931. 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
  3932. 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
  3933. 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
  3934. 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
  3935. 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
  3936. 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
  3937. 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
  3938. 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
  3939. 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
  3940. };
  3941. static u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
  3942. 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
  3943. 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
  3944. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  3945. 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
  3946. 0x00000000
  3947. };
  3948. #if 0 /* All zeros, don't eat up space with it. */
  3949. u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
  3950. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  3951. 0x00000000, 0x00000000, 0x00000000, 0x00000000
  3952. };
  3953. #endif
  3954. #define RX_CPU_SCRATCH_BASE 0x30000
  3955. #define RX_CPU_SCRATCH_SIZE 0x04000
  3956. #define TX_CPU_SCRATCH_BASE 0x34000
  3957. #define TX_CPU_SCRATCH_SIZE 0x04000
  3958. /* tp->lock is held. */
  3959. static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
  3960. {
  3961. int i;
  3962. if (offset == TX_CPU_BASE &&
  3963. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  3964. BUG();
  3965. if (offset == RX_CPU_BASE) {
  3966. for (i = 0; i < 10000; i++) {
  3967. tw32(offset + CPU_STATE, 0xffffffff);
  3968. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3969. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3970. break;
  3971. }
  3972. tw32(offset + CPU_STATE, 0xffffffff);
  3973. tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
  3974. udelay(10);
  3975. } else {
  3976. for (i = 0; i < 10000; i++) {
  3977. tw32(offset + CPU_STATE, 0xffffffff);
  3978. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  3979. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  3980. break;
  3981. }
  3982. }
  3983. if (i >= 10000) {
  3984. printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
  3985. "and %s CPU\n",
  3986. tp->dev->name,
  3987. (offset == RX_CPU_BASE ? "RX" : "TX"));
  3988. return -ENODEV;
  3989. }
  3990. return 0;
  3991. }
  3992. struct fw_info {
  3993. unsigned int text_base;
  3994. unsigned int text_len;
  3995. u32 *text_data;
  3996. unsigned int rodata_base;
  3997. unsigned int rodata_len;
  3998. u32 *rodata_data;
  3999. unsigned int data_base;
  4000. unsigned int data_len;
  4001. u32 *data_data;
  4002. };
  4003. /* tp->lock is held. */
  4004. static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
  4005. int cpu_scratch_size, struct fw_info *info)
  4006. {
  4007. int err, i;
  4008. void (*write_op)(struct tg3 *, u32, u32);
  4009. if (cpu_base == TX_CPU_BASE &&
  4010. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4011. printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
  4012. "TX cpu firmware on %s which is 5705.\n",
  4013. tp->dev->name);
  4014. return -EINVAL;
  4015. }
  4016. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4017. write_op = tg3_write_mem;
  4018. else
  4019. write_op = tg3_write_indirect_reg32;
  4020. /* It is possible that bootcode is still loading at this point.
  4021. * Get the nvram lock first before halting the cpu.
  4022. */
  4023. tg3_nvram_lock(tp);
  4024. err = tg3_halt_cpu(tp, cpu_base);
  4025. tg3_nvram_unlock(tp);
  4026. if (err)
  4027. goto out;
  4028. for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
  4029. write_op(tp, cpu_scratch_base + i, 0);
  4030. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4031. tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
  4032. for (i = 0; i < (info->text_len / sizeof(u32)); i++)
  4033. write_op(tp, (cpu_scratch_base +
  4034. (info->text_base & 0xffff) +
  4035. (i * sizeof(u32))),
  4036. (info->text_data ?
  4037. info->text_data[i] : 0));
  4038. for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
  4039. write_op(tp, (cpu_scratch_base +
  4040. (info->rodata_base & 0xffff) +
  4041. (i * sizeof(u32))),
  4042. (info->rodata_data ?
  4043. info->rodata_data[i] : 0));
  4044. for (i = 0; i < (info->data_len / sizeof(u32)); i++)
  4045. write_op(tp, (cpu_scratch_base +
  4046. (info->data_base & 0xffff) +
  4047. (i * sizeof(u32))),
  4048. (info->data_data ?
  4049. info->data_data[i] : 0));
  4050. err = 0;
  4051. out:
  4052. return err;
  4053. }
  4054. /* tp->lock is held. */
  4055. static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
  4056. {
  4057. struct fw_info info;
  4058. int err, i;
  4059. info.text_base = TG3_FW_TEXT_ADDR;
  4060. info.text_len = TG3_FW_TEXT_LEN;
  4061. info.text_data = &tg3FwText[0];
  4062. info.rodata_base = TG3_FW_RODATA_ADDR;
  4063. info.rodata_len = TG3_FW_RODATA_LEN;
  4064. info.rodata_data = &tg3FwRodata[0];
  4065. info.data_base = TG3_FW_DATA_ADDR;
  4066. info.data_len = TG3_FW_DATA_LEN;
  4067. info.data_data = NULL;
  4068. err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
  4069. RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
  4070. &info);
  4071. if (err)
  4072. return err;
  4073. err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
  4074. TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
  4075. &info);
  4076. if (err)
  4077. return err;
  4078. /* Now startup only the RX cpu. */
  4079. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4080. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4081. for (i = 0; i < 5; i++) {
  4082. if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
  4083. break;
  4084. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4085. tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
  4086. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4087. udelay(1000);
  4088. }
  4089. if (i >= 5) {
  4090. printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
  4091. "to set RX CPU PC, is %08x should be %08x\n",
  4092. tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
  4093. TG3_FW_TEXT_ADDR);
  4094. return -ENODEV;
  4095. }
  4096. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4097. tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
  4098. return 0;
  4099. }
  4100. #if TG3_TSO_SUPPORT != 0
  4101. #define TG3_TSO_FW_RELEASE_MAJOR 0x1
  4102. #define TG3_TSO_FW_RELASE_MINOR 0x6
  4103. #define TG3_TSO_FW_RELEASE_FIX 0x0
  4104. #define TG3_TSO_FW_START_ADDR 0x08000000
  4105. #define TG3_TSO_FW_TEXT_ADDR 0x08000000
  4106. #define TG3_TSO_FW_TEXT_LEN 0x1aa0
  4107. #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
  4108. #define TG3_TSO_FW_RODATA_LEN 0x60
  4109. #define TG3_TSO_FW_DATA_ADDR 0x08001b20
  4110. #define TG3_TSO_FW_DATA_LEN 0x30
  4111. #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
  4112. #define TG3_TSO_FW_SBSS_LEN 0x2c
  4113. #define TG3_TSO_FW_BSS_ADDR 0x08001b80
  4114. #define TG3_TSO_FW_BSS_LEN 0x894
  4115. static u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
  4116. 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
  4117. 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
  4118. 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4119. 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
  4120. 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
  4121. 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
  4122. 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
  4123. 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
  4124. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
  4125. 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
  4126. 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
  4127. 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
  4128. 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
  4129. 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
  4130. 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
  4131. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
  4132. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
  4133. 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
  4134. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4135. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
  4136. 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
  4137. 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
  4138. 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
  4139. 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
  4140. 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
  4141. 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
  4142. 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
  4143. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
  4144. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
  4145. 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4146. 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
  4147. 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
  4148. 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
  4149. 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
  4150. 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
  4151. 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
  4152. 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
  4153. 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
  4154. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4155. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
  4156. 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
  4157. 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
  4158. 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
  4159. 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
  4160. 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
  4161. 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
  4162. 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
  4163. 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4164. 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
  4165. 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4166. 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
  4167. 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
  4168. 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
  4169. 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
  4170. 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
  4171. 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
  4172. 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
  4173. 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
  4174. 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
  4175. 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
  4176. 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
  4177. 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
  4178. 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
  4179. 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
  4180. 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
  4181. 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
  4182. 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
  4183. 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
  4184. 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
  4185. 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
  4186. 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
  4187. 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
  4188. 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
  4189. 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
  4190. 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
  4191. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
  4192. 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
  4193. 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
  4194. 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
  4195. 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
  4196. 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
  4197. 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
  4198. 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
  4199. 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
  4200. 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
  4201. 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
  4202. 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
  4203. 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4204. 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
  4205. 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
  4206. 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
  4207. 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
  4208. 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
  4209. 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
  4210. 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
  4211. 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
  4212. 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
  4213. 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
  4214. 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
  4215. 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
  4216. 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
  4217. 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
  4218. 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
  4219. 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
  4220. 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
  4221. 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
  4222. 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
  4223. 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
  4224. 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
  4225. 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
  4226. 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
  4227. 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
  4228. 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
  4229. 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
  4230. 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
  4231. 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
  4232. 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
  4233. 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
  4234. 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
  4235. 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
  4236. 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
  4237. 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
  4238. 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
  4239. 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
  4240. 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
  4241. 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
  4242. 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
  4243. 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
  4244. 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
  4245. 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
  4246. 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
  4247. 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
  4248. 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
  4249. 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4250. 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
  4251. 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
  4252. 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
  4253. 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
  4254. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4255. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
  4256. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
  4257. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
  4258. 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
  4259. 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
  4260. 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
  4261. 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
  4262. 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
  4263. 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
  4264. 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
  4265. 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
  4266. 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
  4267. 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
  4268. 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
  4269. 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
  4270. 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
  4271. 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
  4272. 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
  4273. 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
  4274. 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
  4275. 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
  4276. 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
  4277. 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
  4278. 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
  4279. 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
  4280. 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
  4281. 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
  4282. 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
  4283. 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
  4284. 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
  4285. 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4286. 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
  4287. 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
  4288. 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
  4289. 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
  4290. 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
  4291. 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
  4292. 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
  4293. 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
  4294. 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
  4295. 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
  4296. 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
  4297. 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
  4298. 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
  4299. 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
  4300. 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
  4301. 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
  4302. 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
  4303. 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
  4304. 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
  4305. 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
  4306. 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
  4307. 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
  4308. 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
  4309. 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
  4310. 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
  4311. 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4312. 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
  4313. 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
  4314. 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
  4315. 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
  4316. 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
  4317. 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
  4318. 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
  4319. 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
  4320. 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
  4321. 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
  4322. 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
  4323. 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
  4324. 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
  4325. 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
  4326. 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
  4327. 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
  4328. 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
  4329. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
  4330. 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
  4331. 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
  4332. 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
  4333. 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
  4334. 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
  4335. 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
  4336. 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4337. 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
  4338. 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
  4339. 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
  4340. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
  4341. 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
  4342. 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
  4343. 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
  4344. 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
  4345. 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
  4346. 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
  4347. 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
  4348. 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
  4349. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
  4350. 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
  4351. 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
  4352. 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
  4353. 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4354. 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
  4355. 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
  4356. 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
  4357. 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
  4358. 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
  4359. 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
  4360. 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
  4361. 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
  4362. 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
  4363. 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
  4364. 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
  4365. 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
  4366. 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
  4367. 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
  4368. 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
  4369. 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
  4370. 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
  4371. 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
  4372. 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
  4373. 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
  4374. 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
  4375. 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
  4376. 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
  4377. 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
  4378. 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
  4379. 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
  4380. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4381. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
  4382. 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
  4383. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
  4384. 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
  4385. 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
  4386. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
  4387. 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
  4388. 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
  4389. 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
  4390. 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
  4391. 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
  4392. 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
  4393. 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
  4394. 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
  4395. 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
  4396. 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
  4397. 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
  4398. 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
  4399. 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
  4400. };
  4401. static u32 tg3TsoFwRodata[] = {
  4402. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4403. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
  4404. 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
  4405. 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
  4406. 0x00000000,
  4407. };
  4408. static u32 tg3TsoFwData[] = {
  4409. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
  4410. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  4411. 0x00000000,
  4412. };
  4413. /* 5705 needs a special version of the TSO firmware. */
  4414. #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
  4415. #define TG3_TSO5_FW_RELASE_MINOR 0x2
  4416. #define TG3_TSO5_FW_RELEASE_FIX 0x0
  4417. #define TG3_TSO5_FW_START_ADDR 0x00010000
  4418. #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
  4419. #define TG3_TSO5_FW_TEXT_LEN 0xe90
  4420. #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
  4421. #define TG3_TSO5_FW_RODATA_LEN 0x50
  4422. #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
  4423. #define TG3_TSO5_FW_DATA_LEN 0x20
  4424. #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
  4425. #define TG3_TSO5_FW_SBSS_LEN 0x28
  4426. #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
  4427. #define TG3_TSO5_FW_BSS_LEN 0x88
  4428. static u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
  4429. 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
  4430. 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
  4431. 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4432. 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
  4433. 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
  4434. 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
  4435. 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4436. 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
  4437. 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
  4438. 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
  4439. 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
  4440. 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
  4441. 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
  4442. 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
  4443. 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
  4444. 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
  4445. 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
  4446. 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
  4447. 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
  4448. 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
  4449. 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
  4450. 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
  4451. 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
  4452. 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
  4453. 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
  4454. 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
  4455. 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
  4456. 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
  4457. 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
  4458. 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
  4459. 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4460. 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
  4461. 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
  4462. 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
  4463. 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
  4464. 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
  4465. 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
  4466. 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
  4467. 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
  4468. 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
  4469. 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
  4470. 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
  4471. 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
  4472. 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
  4473. 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
  4474. 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
  4475. 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
  4476. 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
  4477. 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
  4478. 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
  4479. 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
  4480. 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
  4481. 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
  4482. 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
  4483. 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
  4484. 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
  4485. 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
  4486. 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
  4487. 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
  4488. 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
  4489. 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
  4490. 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
  4491. 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
  4492. 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
  4493. 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
  4494. 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
  4495. 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4496. 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
  4497. 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
  4498. 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
  4499. 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
  4500. 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
  4501. 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
  4502. 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
  4503. 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
  4504. 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
  4505. 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
  4506. 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
  4507. 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
  4508. 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
  4509. 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
  4510. 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
  4511. 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
  4512. 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
  4513. 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
  4514. 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
  4515. 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
  4516. 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
  4517. 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
  4518. 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
  4519. 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
  4520. 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
  4521. 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
  4522. 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
  4523. 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
  4524. 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
  4525. 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
  4526. 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
  4527. 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
  4528. 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
  4529. 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
  4530. 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
  4531. 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
  4532. 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
  4533. 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
  4534. 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
  4535. 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4536. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4537. 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
  4538. 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
  4539. 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
  4540. 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
  4541. 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
  4542. 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
  4543. 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
  4544. 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
  4545. 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
  4546. 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4547. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4548. 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
  4549. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
  4550. 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
  4551. 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
  4552. 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4553. 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
  4554. 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
  4555. 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
  4556. 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
  4557. 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
  4558. 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
  4559. 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
  4560. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
  4561. 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
  4562. 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
  4563. 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
  4564. 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
  4565. 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
  4566. 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
  4567. 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
  4568. 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
  4569. 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
  4570. 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
  4571. 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
  4572. 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
  4573. 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
  4574. 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
  4575. 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
  4576. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  4577. 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
  4578. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
  4579. 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
  4580. 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  4581. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
  4582. 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
  4583. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  4584. 0x00000000, 0x00000000, 0x00000000,
  4585. };
  4586. static u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
  4587. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4588. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
  4589. 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  4590. 0x00000000, 0x00000000, 0x00000000,
  4591. };
  4592. static u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
  4593. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
  4594. 0x00000000, 0x00000000, 0x00000000,
  4595. };
  4596. /* tp->lock is held. */
  4597. static int tg3_load_tso_firmware(struct tg3 *tp)
  4598. {
  4599. struct fw_info info;
  4600. unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
  4601. int err, i;
  4602. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4603. return 0;
  4604. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4605. info.text_base = TG3_TSO5_FW_TEXT_ADDR;
  4606. info.text_len = TG3_TSO5_FW_TEXT_LEN;
  4607. info.text_data = &tg3Tso5FwText[0];
  4608. info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
  4609. info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
  4610. info.rodata_data = &tg3Tso5FwRodata[0];
  4611. info.data_base = TG3_TSO5_FW_DATA_ADDR;
  4612. info.data_len = TG3_TSO5_FW_DATA_LEN;
  4613. info.data_data = &tg3Tso5FwData[0];
  4614. cpu_base = RX_CPU_BASE;
  4615. cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
  4616. cpu_scratch_size = (info.text_len +
  4617. info.rodata_len +
  4618. info.data_len +
  4619. TG3_TSO5_FW_SBSS_LEN +
  4620. TG3_TSO5_FW_BSS_LEN);
  4621. } else {
  4622. info.text_base = TG3_TSO_FW_TEXT_ADDR;
  4623. info.text_len = TG3_TSO_FW_TEXT_LEN;
  4624. info.text_data = &tg3TsoFwText[0];
  4625. info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
  4626. info.rodata_len = TG3_TSO_FW_RODATA_LEN;
  4627. info.rodata_data = &tg3TsoFwRodata[0];
  4628. info.data_base = TG3_TSO_FW_DATA_ADDR;
  4629. info.data_len = TG3_TSO_FW_DATA_LEN;
  4630. info.data_data = &tg3TsoFwData[0];
  4631. cpu_base = TX_CPU_BASE;
  4632. cpu_scratch_base = TX_CPU_SCRATCH_BASE;
  4633. cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
  4634. }
  4635. err = tg3_load_firmware_cpu(tp, cpu_base,
  4636. cpu_scratch_base, cpu_scratch_size,
  4637. &info);
  4638. if (err)
  4639. return err;
  4640. /* Now startup the cpu. */
  4641. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4642. tw32_f(cpu_base + CPU_PC, info.text_base);
  4643. for (i = 0; i < 5; i++) {
  4644. if (tr32(cpu_base + CPU_PC) == info.text_base)
  4645. break;
  4646. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4647. tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
  4648. tw32_f(cpu_base + CPU_PC, info.text_base);
  4649. udelay(1000);
  4650. }
  4651. if (i >= 5) {
  4652. printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
  4653. "to set CPU PC, is %08x should be %08x\n",
  4654. tp->dev->name, tr32(cpu_base + CPU_PC),
  4655. info.text_base);
  4656. return -ENODEV;
  4657. }
  4658. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4659. tw32_f(cpu_base + CPU_MODE, 0x00000000);
  4660. return 0;
  4661. }
  4662. #endif /* TG3_TSO_SUPPORT != 0 */
  4663. /* tp->lock is held. */
  4664. static void __tg3_set_mac_addr(struct tg3 *tp)
  4665. {
  4666. u32 addr_high, addr_low;
  4667. int i;
  4668. addr_high = ((tp->dev->dev_addr[0] << 8) |
  4669. tp->dev->dev_addr[1]);
  4670. addr_low = ((tp->dev->dev_addr[2] << 24) |
  4671. (tp->dev->dev_addr[3] << 16) |
  4672. (tp->dev->dev_addr[4] << 8) |
  4673. (tp->dev->dev_addr[5] << 0));
  4674. for (i = 0; i < 4; i++) {
  4675. tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
  4676. tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
  4677. }
  4678. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  4679. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  4680. for (i = 0; i < 12; i++) {
  4681. tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
  4682. tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
  4683. }
  4684. }
  4685. addr_high = (tp->dev->dev_addr[0] +
  4686. tp->dev->dev_addr[1] +
  4687. tp->dev->dev_addr[2] +
  4688. tp->dev->dev_addr[3] +
  4689. tp->dev->dev_addr[4] +
  4690. tp->dev->dev_addr[5]) &
  4691. TX_BACKOFF_SEED_MASK;
  4692. tw32(MAC_TX_BACKOFF_SEED, addr_high);
  4693. }
  4694. static int tg3_set_mac_addr(struct net_device *dev, void *p)
  4695. {
  4696. struct tg3 *tp = netdev_priv(dev);
  4697. struct sockaddr *addr = p;
  4698. if (!is_valid_ether_addr(addr->sa_data))
  4699. return -EINVAL;
  4700. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  4701. spin_lock_bh(&tp->lock);
  4702. __tg3_set_mac_addr(tp);
  4703. spin_unlock_bh(&tp->lock);
  4704. return 0;
  4705. }
  4706. /* tp->lock is held. */
  4707. static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
  4708. dma_addr_t mapping, u32 maxlen_flags,
  4709. u32 nic_addr)
  4710. {
  4711. tg3_write_mem(tp,
  4712. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
  4713. ((u64) mapping >> 32));
  4714. tg3_write_mem(tp,
  4715. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
  4716. ((u64) mapping & 0xffffffff));
  4717. tg3_write_mem(tp,
  4718. (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
  4719. maxlen_flags);
  4720. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  4721. tg3_write_mem(tp,
  4722. (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
  4723. nic_addr);
  4724. }
  4725. static void __tg3_set_rx_mode(struct net_device *);
  4726. static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
  4727. {
  4728. tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
  4729. tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
  4730. tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
  4731. tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
  4732. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4733. tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
  4734. tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
  4735. }
  4736. tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
  4737. tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
  4738. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4739. u32 val = ec->stats_block_coalesce_usecs;
  4740. if (!netif_carrier_ok(tp->dev))
  4741. val = 0;
  4742. tw32(HOSTCC_STAT_COAL_TICKS, val);
  4743. }
  4744. }
  4745. /* tp->lock is held. */
  4746. static int tg3_reset_hw(struct tg3 *tp)
  4747. {
  4748. u32 val, rdmac_mode;
  4749. int i, err, limit;
  4750. tg3_disable_ints(tp);
  4751. tg3_stop_fw(tp);
  4752. tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
  4753. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
  4754. tg3_abort_hw(tp, 1);
  4755. }
  4756. err = tg3_chip_reset(tp);
  4757. if (err)
  4758. return err;
  4759. tg3_write_sig_legacy(tp, RESET_KIND_INIT);
  4760. /* This works around an issue with Athlon chipsets on
  4761. * B3 tigon3 silicon. This bit has no effect on any
  4762. * other revision. But do not set this on PCI Express
  4763. * chips.
  4764. */
  4765. if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  4766. tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
  4767. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  4768. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  4769. (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  4770. val = tr32(TG3PCI_PCISTATE);
  4771. val |= PCISTATE_RETRY_SAME_DMA;
  4772. tw32(TG3PCI_PCISTATE, val);
  4773. }
  4774. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
  4775. /* Enable some hw fixes. */
  4776. val = tr32(TG3PCI_MSI_DATA);
  4777. val |= (1 << 26) | (1 << 28) | (1 << 29);
  4778. tw32(TG3PCI_MSI_DATA, val);
  4779. }
  4780. /* Descriptor ring init may make accesses to the
  4781. * NIC SRAM area to setup the TX descriptors, so we
  4782. * can only do this after the hardware has been
  4783. * successfully reset.
  4784. */
  4785. tg3_init_rings(tp);
  4786. /* This value is determined during the probe time DMA
  4787. * engine test, tg3_test_dma.
  4788. */
  4789. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  4790. tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
  4791. GRC_MODE_4X_NIC_SEND_RINGS |
  4792. GRC_MODE_NO_TX_PHDR_CSUM |
  4793. GRC_MODE_NO_RX_PHDR_CSUM);
  4794. tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
  4795. if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
  4796. tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
  4797. if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
  4798. tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
  4799. tw32(GRC_MODE,
  4800. tp->grc_mode |
  4801. (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
  4802. /* Setup the timer prescalar register. Clock is always 66Mhz. */
  4803. val = tr32(GRC_MISC_CFG);
  4804. val &= ~0xff;
  4805. val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
  4806. tw32(GRC_MISC_CFG, val);
  4807. /* Initialize MBUF/DESC pool. */
  4808. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  4809. /* Do nothing. */
  4810. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
  4811. tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
  4812. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  4813. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
  4814. else
  4815. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
  4816. tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
  4817. tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
  4818. }
  4819. #if TG3_TSO_SUPPORT != 0
  4820. else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  4821. int fw_len;
  4822. fw_len = (TG3_TSO5_FW_TEXT_LEN +
  4823. TG3_TSO5_FW_RODATA_LEN +
  4824. TG3_TSO5_FW_DATA_LEN +
  4825. TG3_TSO5_FW_SBSS_LEN +
  4826. TG3_TSO5_FW_BSS_LEN);
  4827. fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
  4828. tw32(BUFMGR_MB_POOL_ADDR,
  4829. NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
  4830. tw32(BUFMGR_MB_POOL_SIZE,
  4831. NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
  4832. }
  4833. #endif
  4834. if (tp->dev->mtu <= ETH_DATA_LEN) {
  4835. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4836. tp->bufmgr_config.mbuf_read_dma_low_water);
  4837. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4838. tp->bufmgr_config.mbuf_mac_rx_low_water);
  4839. tw32(BUFMGR_MB_HIGH_WATER,
  4840. tp->bufmgr_config.mbuf_high_water);
  4841. } else {
  4842. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  4843. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
  4844. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  4845. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
  4846. tw32(BUFMGR_MB_HIGH_WATER,
  4847. tp->bufmgr_config.mbuf_high_water_jumbo);
  4848. }
  4849. tw32(BUFMGR_DMA_LOW_WATER,
  4850. tp->bufmgr_config.dma_low_water);
  4851. tw32(BUFMGR_DMA_HIGH_WATER,
  4852. tp->bufmgr_config.dma_high_water);
  4853. tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
  4854. for (i = 0; i < 2000; i++) {
  4855. if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
  4856. break;
  4857. udelay(10);
  4858. }
  4859. if (i >= 2000) {
  4860. printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
  4861. tp->dev->name);
  4862. return -ENODEV;
  4863. }
  4864. /* Setup replenish threshold. */
  4865. tw32(RCVBDI_STD_THRESH, tp->rx_pending / 8);
  4866. /* Initialize TG3_BDINFO's at:
  4867. * RCVDBDI_STD_BD: standard eth size rx ring
  4868. * RCVDBDI_JUMBO_BD: jumbo frame rx ring
  4869. * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
  4870. *
  4871. * like so:
  4872. * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
  4873. * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
  4874. * ring attribute flags
  4875. * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
  4876. *
  4877. * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
  4878. * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
  4879. *
  4880. * The size of each ring is fixed in the firmware, but the location is
  4881. * configurable.
  4882. */
  4883. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4884. ((u64) tp->rx_std_mapping >> 32));
  4885. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4886. ((u64) tp->rx_std_mapping & 0xffffffff));
  4887. tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
  4888. NIC_SRAM_RX_BUFFER_DESC);
  4889. /* Don't even try to program the JUMBO/MINI buffer descriptor
  4890. * configs on 5705.
  4891. */
  4892. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  4893. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4894. RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
  4895. } else {
  4896. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4897. RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4898. tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4899. BDINFO_FLAGS_DISABLED);
  4900. /* Setup replenish threshold. */
  4901. tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
  4902. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  4903. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  4904. ((u64) tp->rx_jumbo_mapping >> 32));
  4905. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  4906. ((u64) tp->rx_jumbo_mapping & 0xffffffff));
  4907. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4908. RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  4909. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
  4910. NIC_SRAM_RX_JUMBO_BUFFER_DESC);
  4911. } else {
  4912. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  4913. BDINFO_FLAGS_DISABLED);
  4914. }
  4915. }
  4916. /* There is only one send ring on 5705/5750, no need to explicitly
  4917. * disable the others.
  4918. */
  4919. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4920. /* Clear out send RCB ring in SRAM. */
  4921. for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
  4922. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4923. BDINFO_FLAGS_DISABLED);
  4924. }
  4925. tp->tx_prod = 0;
  4926. tp->tx_cons = 0;
  4927. tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4928. tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4929. tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
  4930. tp->tx_desc_mapping,
  4931. (TG3_TX_RING_SIZE <<
  4932. BDINFO_FLAGS_MAXLEN_SHIFT),
  4933. NIC_SRAM_TX_BUFFER_DESC);
  4934. /* There is only one receive return ring on 5705/5750, no need
  4935. * to explicitly disable the others.
  4936. */
  4937. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4938. for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
  4939. i += TG3_BDINFO_SIZE) {
  4940. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  4941. BDINFO_FLAGS_DISABLED);
  4942. }
  4943. }
  4944. tp->rx_rcb_ptr = 0;
  4945. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
  4946. tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
  4947. tp->rx_rcb_mapping,
  4948. (TG3_RX_RCB_RING_SIZE(tp) <<
  4949. BDINFO_FLAGS_MAXLEN_SHIFT),
  4950. 0);
  4951. tp->rx_std_ptr = tp->rx_pending;
  4952. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  4953. tp->rx_std_ptr);
  4954. tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
  4955. tp->rx_jumbo_pending : 0;
  4956. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  4957. tp->rx_jumbo_ptr);
  4958. /* Initialize MAC address and backoff seed. */
  4959. __tg3_set_mac_addr(tp);
  4960. /* MTU + ethernet header + FCS + optional VLAN tag */
  4961. tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
  4962. /* The slot time is changed by tg3_setup_phy if we
  4963. * run at gigabit with half duplex.
  4964. */
  4965. tw32(MAC_TX_LENGTHS,
  4966. (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  4967. (6 << TX_LENGTHS_IPG_SHIFT) |
  4968. (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
  4969. /* Receive rules. */
  4970. tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
  4971. tw32(RCVLPC_CONFIG, 0x0181);
  4972. /* Calculate RDMAC_MODE setting early, we need it to determine
  4973. * the RCVLPC_STATE_ENABLE mask.
  4974. */
  4975. rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
  4976. RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
  4977. RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
  4978. RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
  4979. RDMAC_MODE_LNGREAD_ENAB);
  4980. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  4981. rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
  4982. /* If statement applies to 5705 and 5750 PCI devices only */
  4983. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  4984. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  4985. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
  4986. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
  4987. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  4988. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  4989. rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
  4990. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  4991. !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
  4992. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4993. }
  4994. }
  4995. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  4996. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  4997. #if TG3_TSO_SUPPORT != 0
  4998. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4999. rdmac_mode |= (1 << 27);
  5000. #endif
  5001. /* Receive/send statistics. */
  5002. if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
  5003. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  5004. val = tr32(RCVLPC_STATS_ENABLE);
  5005. val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
  5006. tw32(RCVLPC_STATS_ENABLE, val);
  5007. } else {
  5008. tw32(RCVLPC_STATS_ENABLE, 0xffffff);
  5009. }
  5010. tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
  5011. tw32(SNDDATAI_STATSENAB, 0xffffff);
  5012. tw32(SNDDATAI_STATSCTRL,
  5013. (SNDDATAI_SCTRL_ENABLE |
  5014. SNDDATAI_SCTRL_FASTUPD));
  5015. /* Setup host coalescing engine. */
  5016. tw32(HOSTCC_MODE, 0);
  5017. for (i = 0; i < 2000; i++) {
  5018. if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
  5019. break;
  5020. udelay(10);
  5021. }
  5022. __tg3_set_coalesce(tp, &tp->coal);
  5023. /* set status block DMA address */
  5024. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5025. ((u64) tp->status_mapping >> 32));
  5026. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  5027. ((u64) tp->status_mapping & 0xffffffff));
  5028. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5029. /* Status/statistics block address. See tg3_timer,
  5030. * the tg3_periodic_fetch_stats call there, and
  5031. * tg3_get_stats to see how this works for 5705/5750 chips.
  5032. */
  5033. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5034. ((u64) tp->stats_mapping >> 32));
  5035. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  5036. ((u64) tp->stats_mapping & 0xffffffff));
  5037. tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
  5038. tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
  5039. }
  5040. tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
  5041. tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
  5042. tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  5043. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5044. tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
  5045. /* Clear statistics/status block in chip, and status block in ram. */
  5046. for (i = NIC_SRAM_STATS_BLK;
  5047. i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
  5048. i += sizeof(u32)) {
  5049. tg3_write_mem(tp, i, 0);
  5050. udelay(40);
  5051. }
  5052. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  5053. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  5054. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  5055. /* reset to prevent losing 1st rx packet intermittently */
  5056. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  5057. udelay(10);
  5058. }
  5059. tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
  5060. MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
  5061. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
  5062. udelay(40);
  5063. /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
  5064. * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
  5065. * register to preserve the GPIO settings for LOMs. The GPIOs,
  5066. * whether used as inputs or outputs, are set by boot code after
  5067. * reset.
  5068. */
  5069. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  5070. u32 gpio_mask;
  5071. gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
  5072. GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
  5073. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  5074. gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
  5075. GRC_LCLCTRL_GPIO_OUTPUT3;
  5076. tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
  5077. /* GPIO1 must be driven high for eeprom write protect */
  5078. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  5079. GRC_LCLCTRL_GPIO_OUTPUT1);
  5080. }
  5081. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  5082. udelay(100);
  5083. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
  5084. tp->last_tag = 0;
  5085. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5086. tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
  5087. udelay(40);
  5088. }
  5089. val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
  5090. WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
  5091. WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
  5092. WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
  5093. WDMAC_MODE_LNGREAD_ENAB);
  5094. /* If statement applies to 5705 and 5750 PCI devices only */
  5095. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  5096. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  5097. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  5098. if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
  5099. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  5100. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  5101. /* nothing */
  5102. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  5103. !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  5104. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  5105. val |= WDMAC_MODE_RX_ACCEL;
  5106. }
  5107. }
  5108. tw32_f(WDMAC_MODE, val);
  5109. udelay(40);
  5110. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
  5111. val = tr32(TG3PCI_X_CAPS);
  5112. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
  5113. val &= ~PCIX_CAPS_BURST_MASK;
  5114. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5115. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  5116. val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
  5117. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5118. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  5119. val |= (tp->split_mode_max_reqs <<
  5120. PCIX_CAPS_SPLIT_SHIFT);
  5121. }
  5122. tw32(TG3PCI_X_CAPS, val);
  5123. }
  5124. tw32_f(RDMAC_MODE, rdmac_mode);
  5125. udelay(40);
  5126. tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
  5127. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5128. tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
  5129. tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  5130. tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
  5131. tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
  5132. tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
  5133. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  5134. #if TG3_TSO_SUPPORT != 0
  5135. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  5136. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
  5137. #endif
  5138. tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
  5139. tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
  5140. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
  5141. err = tg3_load_5701_a0_firmware_fix(tp);
  5142. if (err)
  5143. return err;
  5144. }
  5145. #if TG3_TSO_SUPPORT != 0
  5146. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  5147. err = tg3_load_tso_firmware(tp);
  5148. if (err)
  5149. return err;
  5150. }
  5151. #endif
  5152. tp->tx_mode = TX_MODE_ENABLE;
  5153. tw32_f(MAC_TX_MODE, tp->tx_mode);
  5154. udelay(100);
  5155. tp->rx_mode = RX_MODE_ENABLE;
  5156. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5157. udelay(10);
  5158. if (tp->link_config.phy_is_low_power) {
  5159. tp->link_config.phy_is_low_power = 0;
  5160. tp->link_config.speed = tp->link_config.orig_speed;
  5161. tp->link_config.duplex = tp->link_config.orig_duplex;
  5162. tp->link_config.autoneg = tp->link_config.orig_autoneg;
  5163. }
  5164. tp->mi_mode = MAC_MI_MODE_BASE;
  5165. tw32_f(MAC_MI_MODE, tp->mi_mode);
  5166. udelay(80);
  5167. tw32(MAC_LED_CTRL, tp->led_ctrl);
  5168. tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
  5169. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5170. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  5171. udelay(10);
  5172. }
  5173. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5174. udelay(10);
  5175. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5176. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
  5177. !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
  5178. /* Set drive transmission level to 1.2V */
  5179. /* only if the signal pre-emphasis bit is not set */
  5180. val = tr32(MAC_SERDES_CFG);
  5181. val &= 0xfffff000;
  5182. val |= 0x880;
  5183. tw32(MAC_SERDES_CFG, val);
  5184. }
  5185. if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
  5186. tw32(MAC_SERDES_CFG, 0x616000);
  5187. }
  5188. /* Prevent chip from dropping frames when flow control
  5189. * is enabled.
  5190. */
  5191. tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
  5192. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  5193. (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  5194. /* Use hardware link auto-negotiation */
  5195. tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
  5196. }
  5197. err = tg3_setup_phy(tp, 1);
  5198. if (err)
  5199. return err;
  5200. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  5201. u32 tmp;
  5202. /* Clear CRC stats. */
  5203. if (!tg3_readphy(tp, 0x1e, &tmp)) {
  5204. tg3_writephy(tp, 0x1e, tmp | 0x8000);
  5205. tg3_readphy(tp, 0x14, &tmp);
  5206. }
  5207. }
  5208. __tg3_set_rx_mode(tp->dev);
  5209. /* Initialize receive rules. */
  5210. tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
  5211. tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5212. tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
  5213. tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5214. if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  5215. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  5216. limit = 8;
  5217. else
  5218. limit = 16;
  5219. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
  5220. limit -= 4;
  5221. switch (limit) {
  5222. case 16:
  5223. tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
  5224. case 15:
  5225. tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
  5226. case 14:
  5227. tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
  5228. case 13:
  5229. tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
  5230. case 12:
  5231. tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
  5232. case 11:
  5233. tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
  5234. case 10:
  5235. tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
  5236. case 9:
  5237. tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
  5238. case 8:
  5239. tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
  5240. case 7:
  5241. tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
  5242. case 6:
  5243. tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
  5244. case 5:
  5245. tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
  5246. case 4:
  5247. /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
  5248. case 3:
  5249. /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
  5250. case 2:
  5251. case 1:
  5252. default:
  5253. break;
  5254. };
  5255. tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
  5256. return 0;
  5257. }
  5258. /* Called at device open time to get the chip ready for
  5259. * packet processing. Invoked with tp->lock held.
  5260. */
  5261. static int tg3_init_hw(struct tg3 *tp)
  5262. {
  5263. int err;
  5264. /* Force the chip into D0. */
  5265. err = tg3_set_power_state(tp, 0);
  5266. if (err)
  5267. goto out;
  5268. tg3_switch_clocks(tp);
  5269. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  5270. err = tg3_reset_hw(tp);
  5271. out:
  5272. return err;
  5273. }
  5274. #define TG3_STAT_ADD32(PSTAT, REG) \
  5275. do { u32 __val = tr32(REG); \
  5276. (PSTAT)->low += __val; \
  5277. if ((PSTAT)->low < __val) \
  5278. (PSTAT)->high += 1; \
  5279. } while (0)
  5280. static void tg3_periodic_fetch_stats(struct tg3 *tp)
  5281. {
  5282. struct tg3_hw_stats *sp = tp->hw_stats;
  5283. if (!netif_carrier_ok(tp->dev))
  5284. return;
  5285. TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
  5286. TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
  5287. TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
  5288. TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
  5289. TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
  5290. TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
  5291. TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
  5292. TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
  5293. TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
  5294. TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
  5295. TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
  5296. TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
  5297. TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
  5298. TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
  5299. TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
  5300. TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
  5301. TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
  5302. TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
  5303. TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
  5304. TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
  5305. TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
  5306. TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
  5307. TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
  5308. TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
  5309. TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
  5310. TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
  5311. TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
  5312. }
  5313. static void tg3_timer(unsigned long __opaque)
  5314. {
  5315. struct tg3 *tp = (struct tg3 *) __opaque;
  5316. spin_lock(&tp->lock);
  5317. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5318. /* All of this garbage is because when using non-tagged
  5319. * IRQ status the mailbox/status_block protocol the chip
  5320. * uses with the cpu is race prone.
  5321. */
  5322. if (tp->hw_status->status & SD_STATUS_UPDATED) {
  5323. tw32(GRC_LOCAL_CTRL,
  5324. tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  5325. } else {
  5326. tw32(HOSTCC_MODE, tp->coalesce_mode |
  5327. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  5328. }
  5329. if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  5330. tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
  5331. spin_unlock(&tp->lock);
  5332. schedule_work(&tp->reset_task);
  5333. return;
  5334. }
  5335. }
  5336. /* This part only runs once per second. */
  5337. if (!--tp->timer_counter) {
  5338. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  5339. tg3_periodic_fetch_stats(tp);
  5340. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  5341. u32 mac_stat;
  5342. int phy_event;
  5343. mac_stat = tr32(MAC_STATUS);
  5344. phy_event = 0;
  5345. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
  5346. if (mac_stat & MAC_STATUS_MI_INTERRUPT)
  5347. phy_event = 1;
  5348. } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
  5349. phy_event = 1;
  5350. if (phy_event)
  5351. tg3_setup_phy(tp, 0);
  5352. } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
  5353. u32 mac_stat = tr32(MAC_STATUS);
  5354. int need_setup = 0;
  5355. if (netif_carrier_ok(tp->dev) &&
  5356. (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
  5357. need_setup = 1;
  5358. }
  5359. if (! netif_carrier_ok(tp->dev) &&
  5360. (mac_stat & (MAC_STATUS_PCS_SYNCED |
  5361. MAC_STATUS_SIGNAL_DET))) {
  5362. need_setup = 1;
  5363. }
  5364. if (need_setup) {
  5365. tw32_f(MAC_MODE,
  5366. (tp->mac_mode &
  5367. ~MAC_MODE_PORT_MODE_MASK));
  5368. udelay(40);
  5369. tw32_f(MAC_MODE, tp->mac_mode);
  5370. udelay(40);
  5371. tg3_setup_phy(tp, 0);
  5372. }
  5373. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  5374. tg3_serdes_parallel_detect(tp);
  5375. tp->timer_counter = tp->timer_multiplier;
  5376. }
  5377. /* Heartbeat is only sent once every 2 seconds. */
  5378. if (!--tp->asf_counter) {
  5379. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  5380. u32 val;
  5381. tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_MBOX,
  5382. FWCMD_NICDRV_ALIVE2);
  5383. tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
  5384. /* 5 seconds timeout */
  5385. tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
  5386. val = tr32(GRC_RX_CPU_EVENT);
  5387. val |= (1 << 14);
  5388. tw32(GRC_RX_CPU_EVENT, val);
  5389. }
  5390. tp->asf_counter = tp->asf_multiplier;
  5391. }
  5392. spin_unlock(&tp->lock);
  5393. tp->timer.expires = jiffies + tp->timer_offset;
  5394. add_timer(&tp->timer);
  5395. }
  5396. static int tg3_test_interrupt(struct tg3 *tp)
  5397. {
  5398. struct net_device *dev = tp->dev;
  5399. int err, i;
  5400. u32 int_mbox = 0;
  5401. if (!netif_running(dev))
  5402. return -ENODEV;
  5403. tg3_disable_ints(tp);
  5404. free_irq(tp->pdev->irq, dev);
  5405. err = request_irq(tp->pdev->irq, tg3_test_isr,
  5406. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5407. if (err)
  5408. return err;
  5409. tp->hw_status->status &= ~SD_STATUS_UPDATED;
  5410. tg3_enable_ints(tp);
  5411. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  5412. HOSTCC_MODE_NOW);
  5413. for (i = 0; i < 5; i++) {
  5414. int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
  5415. TG3_64BIT_REG_LOW);
  5416. if (int_mbox != 0)
  5417. break;
  5418. msleep(10);
  5419. }
  5420. tg3_disable_ints(tp);
  5421. free_irq(tp->pdev->irq, dev);
  5422. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
  5423. err = request_irq(tp->pdev->irq, tg3_msi,
  5424. SA_SAMPLE_RANDOM, dev->name, dev);
  5425. else {
  5426. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5427. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5428. fn = tg3_interrupt_tagged;
  5429. err = request_irq(tp->pdev->irq, fn,
  5430. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5431. }
  5432. if (err)
  5433. return err;
  5434. if (int_mbox != 0)
  5435. return 0;
  5436. return -EIO;
  5437. }
  5438. /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
  5439. * successfully restored
  5440. */
  5441. static int tg3_test_msi(struct tg3 *tp)
  5442. {
  5443. struct net_device *dev = tp->dev;
  5444. int err;
  5445. u16 pci_cmd;
  5446. if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
  5447. return 0;
  5448. /* Turn off SERR reporting in case MSI terminates with Master
  5449. * Abort.
  5450. */
  5451. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  5452. pci_write_config_word(tp->pdev, PCI_COMMAND,
  5453. pci_cmd & ~PCI_COMMAND_SERR);
  5454. err = tg3_test_interrupt(tp);
  5455. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  5456. if (!err)
  5457. return 0;
  5458. /* other failures */
  5459. if (err != -EIO)
  5460. return err;
  5461. /* MSI test failed, go back to INTx mode */
  5462. printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
  5463. "switching to INTx mode. Please report this failure to "
  5464. "the PCI maintainer and include system chipset information.\n",
  5465. tp->dev->name);
  5466. free_irq(tp->pdev->irq, dev);
  5467. pci_disable_msi(tp->pdev);
  5468. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5469. {
  5470. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5471. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5472. fn = tg3_interrupt_tagged;
  5473. err = request_irq(tp->pdev->irq, fn,
  5474. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5475. }
  5476. if (err)
  5477. return err;
  5478. /* Need to reset the chip because the MSI cycle may have terminated
  5479. * with Master Abort.
  5480. */
  5481. tg3_full_lock(tp, 1);
  5482. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5483. err = tg3_init_hw(tp);
  5484. tg3_full_unlock(tp);
  5485. if (err)
  5486. free_irq(tp->pdev->irq, dev);
  5487. return err;
  5488. }
  5489. static int tg3_open(struct net_device *dev)
  5490. {
  5491. struct tg3 *tp = netdev_priv(dev);
  5492. int err;
  5493. tg3_full_lock(tp, 0);
  5494. tg3_disable_ints(tp);
  5495. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  5496. tg3_full_unlock(tp);
  5497. /* The placement of this call is tied
  5498. * to the setup and use of Host TX descriptors.
  5499. */
  5500. err = tg3_alloc_consistent(tp);
  5501. if (err)
  5502. return err;
  5503. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  5504. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
  5505. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX)) {
  5506. /* All MSI supporting chips should support tagged
  5507. * status. Assert that this is the case.
  5508. */
  5509. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5510. printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
  5511. "Not using MSI.\n", tp->dev->name);
  5512. } else if (pci_enable_msi(tp->pdev) == 0) {
  5513. u32 msi_mode;
  5514. msi_mode = tr32(MSGINT_MODE);
  5515. tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
  5516. tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
  5517. }
  5518. }
  5519. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
  5520. err = request_irq(tp->pdev->irq, tg3_msi,
  5521. SA_SAMPLE_RANDOM, dev->name, dev);
  5522. else {
  5523. irqreturn_t (*fn)(int, void *, struct pt_regs *)=tg3_interrupt;
  5524. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5525. fn = tg3_interrupt_tagged;
  5526. err = request_irq(tp->pdev->irq, fn,
  5527. SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
  5528. }
  5529. if (err) {
  5530. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5531. pci_disable_msi(tp->pdev);
  5532. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5533. }
  5534. tg3_free_consistent(tp);
  5535. return err;
  5536. }
  5537. tg3_full_lock(tp, 0);
  5538. err = tg3_init_hw(tp);
  5539. if (err) {
  5540. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5541. tg3_free_rings(tp);
  5542. } else {
  5543. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5544. tp->timer_offset = HZ;
  5545. else
  5546. tp->timer_offset = HZ / 10;
  5547. BUG_ON(tp->timer_offset > HZ);
  5548. tp->timer_counter = tp->timer_multiplier =
  5549. (HZ / tp->timer_offset);
  5550. tp->asf_counter = tp->asf_multiplier =
  5551. ((HZ / tp->timer_offset) * 2);
  5552. init_timer(&tp->timer);
  5553. tp->timer.expires = jiffies + tp->timer_offset;
  5554. tp->timer.data = (unsigned long) tp;
  5555. tp->timer.function = tg3_timer;
  5556. }
  5557. tg3_full_unlock(tp);
  5558. if (err) {
  5559. free_irq(tp->pdev->irq, dev);
  5560. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5561. pci_disable_msi(tp->pdev);
  5562. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5563. }
  5564. tg3_free_consistent(tp);
  5565. return err;
  5566. }
  5567. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5568. err = tg3_test_msi(tp);
  5569. if (err) {
  5570. tg3_full_lock(tp, 0);
  5571. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5572. pci_disable_msi(tp->pdev);
  5573. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5574. }
  5575. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5576. tg3_free_rings(tp);
  5577. tg3_free_consistent(tp);
  5578. tg3_full_unlock(tp);
  5579. return err;
  5580. }
  5581. }
  5582. tg3_full_lock(tp, 0);
  5583. add_timer(&tp->timer);
  5584. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  5585. tg3_enable_ints(tp);
  5586. tg3_full_unlock(tp);
  5587. netif_start_queue(dev);
  5588. return 0;
  5589. }
  5590. #if 0
  5591. /*static*/ void tg3_dump_state(struct tg3 *tp)
  5592. {
  5593. u32 val32, val32_2, val32_3, val32_4, val32_5;
  5594. u16 val16;
  5595. int i;
  5596. pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
  5597. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
  5598. printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
  5599. val16, val32);
  5600. /* MAC block */
  5601. printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
  5602. tr32(MAC_MODE), tr32(MAC_STATUS));
  5603. printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
  5604. tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
  5605. printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
  5606. tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
  5607. printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
  5608. tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
  5609. /* Send data initiator control block */
  5610. printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
  5611. tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
  5612. printk(" SNDDATAI_STATSCTRL[%08x]\n",
  5613. tr32(SNDDATAI_STATSCTRL));
  5614. /* Send data completion control block */
  5615. printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
  5616. /* Send BD ring selector block */
  5617. printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
  5618. tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
  5619. /* Send BD initiator control block */
  5620. printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
  5621. tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
  5622. /* Send BD completion control block */
  5623. printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
  5624. /* Receive list placement control block */
  5625. printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
  5626. tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
  5627. printk(" RCVLPC_STATSCTRL[%08x]\n",
  5628. tr32(RCVLPC_STATSCTRL));
  5629. /* Receive data and receive BD initiator control block */
  5630. printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
  5631. tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
  5632. /* Receive data completion control block */
  5633. printk("DEBUG: RCVDCC_MODE[%08x]\n",
  5634. tr32(RCVDCC_MODE));
  5635. /* Receive BD initiator control block */
  5636. printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
  5637. tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
  5638. /* Receive BD completion control block */
  5639. printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
  5640. tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
  5641. /* Receive list selector control block */
  5642. printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
  5643. tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
  5644. /* Mbuf cluster free block */
  5645. printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
  5646. tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
  5647. /* Host coalescing control block */
  5648. printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
  5649. tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
  5650. printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
  5651. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5652. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5653. printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
  5654. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5655. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  5656. printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
  5657. tr32(HOSTCC_STATS_BLK_NIC_ADDR));
  5658. printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
  5659. tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
  5660. /* Memory arbiter control block */
  5661. printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
  5662. tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
  5663. /* Buffer manager control block */
  5664. printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
  5665. tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
  5666. printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
  5667. tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
  5668. printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
  5669. "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
  5670. tr32(BUFMGR_DMA_DESC_POOL_ADDR),
  5671. tr32(BUFMGR_DMA_DESC_POOL_SIZE));
  5672. /* Read DMA control block */
  5673. printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
  5674. tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
  5675. /* Write DMA control block */
  5676. printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
  5677. tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
  5678. /* DMA completion block */
  5679. printk("DEBUG: DMAC_MODE[%08x]\n",
  5680. tr32(DMAC_MODE));
  5681. /* GRC block */
  5682. printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
  5683. tr32(GRC_MODE), tr32(GRC_MISC_CFG));
  5684. printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
  5685. tr32(GRC_LOCAL_CTRL));
  5686. /* TG3_BDINFOs */
  5687. printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
  5688. tr32(RCVDBDI_JUMBO_BD + 0x0),
  5689. tr32(RCVDBDI_JUMBO_BD + 0x4),
  5690. tr32(RCVDBDI_JUMBO_BD + 0x8),
  5691. tr32(RCVDBDI_JUMBO_BD + 0xc));
  5692. printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
  5693. tr32(RCVDBDI_STD_BD + 0x0),
  5694. tr32(RCVDBDI_STD_BD + 0x4),
  5695. tr32(RCVDBDI_STD_BD + 0x8),
  5696. tr32(RCVDBDI_STD_BD + 0xc));
  5697. printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
  5698. tr32(RCVDBDI_MINI_BD + 0x0),
  5699. tr32(RCVDBDI_MINI_BD + 0x4),
  5700. tr32(RCVDBDI_MINI_BD + 0x8),
  5701. tr32(RCVDBDI_MINI_BD + 0xc));
  5702. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
  5703. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
  5704. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
  5705. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
  5706. printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
  5707. val32, val32_2, val32_3, val32_4);
  5708. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
  5709. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
  5710. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
  5711. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
  5712. printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
  5713. val32, val32_2, val32_3, val32_4);
  5714. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
  5715. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
  5716. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
  5717. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
  5718. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
  5719. printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
  5720. val32, val32_2, val32_3, val32_4, val32_5);
  5721. /* SW status block */
  5722. printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
  5723. tp->hw_status->status,
  5724. tp->hw_status->status_tag,
  5725. tp->hw_status->rx_jumbo_consumer,
  5726. tp->hw_status->rx_consumer,
  5727. tp->hw_status->rx_mini_consumer,
  5728. tp->hw_status->idx[0].rx_producer,
  5729. tp->hw_status->idx[0].tx_consumer);
  5730. /* SW statistics block */
  5731. printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
  5732. ((u32 *)tp->hw_stats)[0],
  5733. ((u32 *)tp->hw_stats)[1],
  5734. ((u32 *)tp->hw_stats)[2],
  5735. ((u32 *)tp->hw_stats)[3]);
  5736. /* Mailboxes */
  5737. printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
  5738. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
  5739. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
  5740. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
  5741. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
  5742. /* NIC side send descriptors. */
  5743. for (i = 0; i < 6; i++) {
  5744. unsigned long txd;
  5745. txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
  5746. + (i * sizeof(struct tg3_tx_buffer_desc));
  5747. printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
  5748. i,
  5749. readl(txd + 0x0), readl(txd + 0x4),
  5750. readl(txd + 0x8), readl(txd + 0xc));
  5751. }
  5752. /* NIC side RX descriptors. */
  5753. for (i = 0; i < 6; i++) {
  5754. unsigned long rxd;
  5755. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
  5756. + (i * sizeof(struct tg3_rx_buffer_desc));
  5757. printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
  5758. i,
  5759. readl(rxd + 0x0), readl(rxd + 0x4),
  5760. readl(rxd + 0x8), readl(rxd + 0xc));
  5761. rxd += (4 * sizeof(u32));
  5762. printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
  5763. i,
  5764. readl(rxd + 0x0), readl(rxd + 0x4),
  5765. readl(rxd + 0x8), readl(rxd + 0xc));
  5766. }
  5767. for (i = 0; i < 6; i++) {
  5768. unsigned long rxd;
  5769. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
  5770. + (i * sizeof(struct tg3_rx_buffer_desc));
  5771. printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
  5772. i,
  5773. readl(rxd + 0x0), readl(rxd + 0x4),
  5774. readl(rxd + 0x8), readl(rxd + 0xc));
  5775. rxd += (4 * sizeof(u32));
  5776. printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
  5777. i,
  5778. readl(rxd + 0x0), readl(rxd + 0x4),
  5779. readl(rxd + 0x8), readl(rxd + 0xc));
  5780. }
  5781. }
  5782. #endif
  5783. static struct net_device_stats *tg3_get_stats(struct net_device *);
  5784. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
  5785. static int tg3_close(struct net_device *dev)
  5786. {
  5787. struct tg3 *tp = netdev_priv(dev);
  5788. netif_stop_queue(dev);
  5789. del_timer_sync(&tp->timer);
  5790. tg3_full_lock(tp, 1);
  5791. #if 0
  5792. tg3_dump_state(tp);
  5793. #endif
  5794. tg3_disable_ints(tp);
  5795. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5796. tg3_free_rings(tp);
  5797. tp->tg3_flags &=
  5798. ~(TG3_FLAG_INIT_COMPLETE |
  5799. TG3_FLAG_GOT_SERDES_FLOWCTL);
  5800. netif_carrier_off(tp->dev);
  5801. tg3_full_unlock(tp);
  5802. free_irq(tp->pdev->irq, dev);
  5803. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5804. pci_disable_msi(tp->pdev);
  5805. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5806. }
  5807. memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
  5808. sizeof(tp->net_stats_prev));
  5809. memcpy(&tp->estats_prev, tg3_get_estats(tp),
  5810. sizeof(tp->estats_prev));
  5811. tg3_free_consistent(tp);
  5812. return 0;
  5813. }
  5814. static inline unsigned long get_stat64(tg3_stat64_t *val)
  5815. {
  5816. unsigned long ret;
  5817. #if (BITS_PER_LONG == 32)
  5818. ret = val->low;
  5819. #else
  5820. ret = ((u64)val->high << 32) | ((u64)val->low);
  5821. #endif
  5822. return ret;
  5823. }
  5824. static unsigned long calc_crc_errors(struct tg3 *tp)
  5825. {
  5826. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5827. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  5828. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  5829. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  5830. u32 val;
  5831. spin_lock_bh(&tp->lock);
  5832. if (!tg3_readphy(tp, 0x1e, &val)) {
  5833. tg3_writephy(tp, 0x1e, val | 0x8000);
  5834. tg3_readphy(tp, 0x14, &val);
  5835. } else
  5836. val = 0;
  5837. spin_unlock_bh(&tp->lock);
  5838. tp->phy_crc_errors += val;
  5839. return tp->phy_crc_errors;
  5840. }
  5841. return get_stat64(&hw_stats->rx_fcs_errors);
  5842. }
  5843. #define ESTAT_ADD(member) \
  5844. estats->member = old_estats->member + \
  5845. get_stat64(&hw_stats->member)
  5846. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
  5847. {
  5848. struct tg3_ethtool_stats *estats = &tp->estats;
  5849. struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
  5850. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5851. if (!hw_stats)
  5852. return old_estats;
  5853. ESTAT_ADD(rx_octets);
  5854. ESTAT_ADD(rx_fragments);
  5855. ESTAT_ADD(rx_ucast_packets);
  5856. ESTAT_ADD(rx_mcast_packets);
  5857. ESTAT_ADD(rx_bcast_packets);
  5858. ESTAT_ADD(rx_fcs_errors);
  5859. ESTAT_ADD(rx_align_errors);
  5860. ESTAT_ADD(rx_xon_pause_rcvd);
  5861. ESTAT_ADD(rx_xoff_pause_rcvd);
  5862. ESTAT_ADD(rx_mac_ctrl_rcvd);
  5863. ESTAT_ADD(rx_xoff_entered);
  5864. ESTAT_ADD(rx_frame_too_long_errors);
  5865. ESTAT_ADD(rx_jabbers);
  5866. ESTAT_ADD(rx_undersize_packets);
  5867. ESTAT_ADD(rx_in_length_errors);
  5868. ESTAT_ADD(rx_out_length_errors);
  5869. ESTAT_ADD(rx_64_or_less_octet_packets);
  5870. ESTAT_ADD(rx_65_to_127_octet_packets);
  5871. ESTAT_ADD(rx_128_to_255_octet_packets);
  5872. ESTAT_ADD(rx_256_to_511_octet_packets);
  5873. ESTAT_ADD(rx_512_to_1023_octet_packets);
  5874. ESTAT_ADD(rx_1024_to_1522_octet_packets);
  5875. ESTAT_ADD(rx_1523_to_2047_octet_packets);
  5876. ESTAT_ADD(rx_2048_to_4095_octet_packets);
  5877. ESTAT_ADD(rx_4096_to_8191_octet_packets);
  5878. ESTAT_ADD(rx_8192_to_9022_octet_packets);
  5879. ESTAT_ADD(tx_octets);
  5880. ESTAT_ADD(tx_collisions);
  5881. ESTAT_ADD(tx_xon_sent);
  5882. ESTAT_ADD(tx_xoff_sent);
  5883. ESTAT_ADD(tx_flow_control);
  5884. ESTAT_ADD(tx_mac_errors);
  5885. ESTAT_ADD(tx_single_collisions);
  5886. ESTAT_ADD(tx_mult_collisions);
  5887. ESTAT_ADD(tx_deferred);
  5888. ESTAT_ADD(tx_excessive_collisions);
  5889. ESTAT_ADD(tx_late_collisions);
  5890. ESTAT_ADD(tx_collide_2times);
  5891. ESTAT_ADD(tx_collide_3times);
  5892. ESTAT_ADD(tx_collide_4times);
  5893. ESTAT_ADD(tx_collide_5times);
  5894. ESTAT_ADD(tx_collide_6times);
  5895. ESTAT_ADD(tx_collide_7times);
  5896. ESTAT_ADD(tx_collide_8times);
  5897. ESTAT_ADD(tx_collide_9times);
  5898. ESTAT_ADD(tx_collide_10times);
  5899. ESTAT_ADD(tx_collide_11times);
  5900. ESTAT_ADD(tx_collide_12times);
  5901. ESTAT_ADD(tx_collide_13times);
  5902. ESTAT_ADD(tx_collide_14times);
  5903. ESTAT_ADD(tx_collide_15times);
  5904. ESTAT_ADD(tx_ucast_packets);
  5905. ESTAT_ADD(tx_mcast_packets);
  5906. ESTAT_ADD(tx_bcast_packets);
  5907. ESTAT_ADD(tx_carrier_sense_errors);
  5908. ESTAT_ADD(tx_discards);
  5909. ESTAT_ADD(tx_errors);
  5910. ESTAT_ADD(dma_writeq_full);
  5911. ESTAT_ADD(dma_write_prioq_full);
  5912. ESTAT_ADD(rxbds_empty);
  5913. ESTAT_ADD(rx_discards);
  5914. ESTAT_ADD(rx_errors);
  5915. ESTAT_ADD(rx_threshold_hit);
  5916. ESTAT_ADD(dma_readq_full);
  5917. ESTAT_ADD(dma_read_prioq_full);
  5918. ESTAT_ADD(tx_comp_queue_full);
  5919. ESTAT_ADD(ring_set_send_prod_index);
  5920. ESTAT_ADD(ring_status_update);
  5921. ESTAT_ADD(nic_irqs);
  5922. ESTAT_ADD(nic_avoided_irqs);
  5923. ESTAT_ADD(nic_tx_threshold_hit);
  5924. return estats;
  5925. }
  5926. static struct net_device_stats *tg3_get_stats(struct net_device *dev)
  5927. {
  5928. struct tg3 *tp = netdev_priv(dev);
  5929. struct net_device_stats *stats = &tp->net_stats;
  5930. struct net_device_stats *old_stats = &tp->net_stats_prev;
  5931. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  5932. if (!hw_stats)
  5933. return old_stats;
  5934. stats->rx_packets = old_stats->rx_packets +
  5935. get_stat64(&hw_stats->rx_ucast_packets) +
  5936. get_stat64(&hw_stats->rx_mcast_packets) +
  5937. get_stat64(&hw_stats->rx_bcast_packets);
  5938. stats->tx_packets = old_stats->tx_packets +
  5939. get_stat64(&hw_stats->tx_ucast_packets) +
  5940. get_stat64(&hw_stats->tx_mcast_packets) +
  5941. get_stat64(&hw_stats->tx_bcast_packets);
  5942. stats->rx_bytes = old_stats->rx_bytes +
  5943. get_stat64(&hw_stats->rx_octets);
  5944. stats->tx_bytes = old_stats->tx_bytes +
  5945. get_stat64(&hw_stats->tx_octets);
  5946. stats->rx_errors = old_stats->rx_errors +
  5947. get_stat64(&hw_stats->rx_errors);
  5948. stats->tx_errors = old_stats->tx_errors +
  5949. get_stat64(&hw_stats->tx_errors) +
  5950. get_stat64(&hw_stats->tx_mac_errors) +
  5951. get_stat64(&hw_stats->tx_carrier_sense_errors) +
  5952. get_stat64(&hw_stats->tx_discards);
  5953. stats->multicast = old_stats->multicast +
  5954. get_stat64(&hw_stats->rx_mcast_packets);
  5955. stats->collisions = old_stats->collisions +
  5956. get_stat64(&hw_stats->tx_collisions);
  5957. stats->rx_length_errors = old_stats->rx_length_errors +
  5958. get_stat64(&hw_stats->rx_frame_too_long_errors) +
  5959. get_stat64(&hw_stats->rx_undersize_packets);
  5960. stats->rx_over_errors = old_stats->rx_over_errors +
  5961. get_stat64(&hw_stats->rxbds_empty);
  5962. stats->rx_frame_errors = old_stats->rx_frame_errors +
  5963. get_stat64(&hw_stats->rx_align_errors);
  5964. stats->tx_aborted_errors = old_stats->tx_aborted_errors +
  5965. get_stat64(&hw_stats->tx_discards);
  5966. stats->tx_carrier_errors = old_stats->tx_carrier_errors +
  5967. get_stat64(&hw_stats->tx_carrier_sense_errors);
  5968. stats->rx_crc_errors = old_stats->rx_crc_errors +
  5969. calc_crc_errors(tp);
  5970. stats->rx_missed_errors = old_stats->rx_missed_errors +
  5971. get_stat64(&hw_stats->rx_discards);
  5972. return stats;
  5973. }
  5974. static inline u32 calc_crc(unsigned char *buf, int len)
  5975. {
  5976. u32 reg;
  5977. u32 tmp;
  5978. int j, k;
  5979. reg = 0xffffffff;
  5980. for (j = 0; j < len; j++) {
  5981. reg ^= buf[j];
  5982. for (k = 0; k < 8; k++) {
  5983. tmp = reg & 0x01;
  5984. reg >>= 1;
  5985. if (tmp) {
  5986. reg ^= 0xedb88320;
  5987. }
  5988. }
  5989. }
  5990. return ~reg;
  5991. }
  5992. static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
  5993. {
  5994. /* accept or reject all multicast frames */
  5995. tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
  5996. tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
  5997. tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
  5998. tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
  5999. }
  6000. static void __tg3_set_rx_mode(struct net_device *dev)
  6001. {
  6002. struct tg3 *tp = netdev_priv(dev);
  6003. u32 rx_mode;
  6004. rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
  6005. RX_MODE_KEEP_VLAN_TAG);
  6006. /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
  6007. * flag clear.
  6008. */
  6009. #if TG3_VLAN_TAG_USED
  6010. if (!tp->vlgrp &&
  6011. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  6012. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  6013. #else
  6014. /* By definition, VLAN is disabled always in this
  6015. * case.
  6016. */
  6017. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  6018. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  6019. #endif
  6020. if (dev->flags & IFF_PROMISC) {
  6021. /* Promiscuous mode. */
  6022. rx_mode |= RX_MODE_PROMISC;
  6023. } else if (dev->flags & IFF_ALLMULTI) {
  6024. /* Accept all multicast. */
  6025. tg3_set_multi (tp, 1);
  6026. } else if (dev->mc_count < 1) {
  6027. /* Reject all multicast. */
  6028. tg3_set_multi (tp, 0);
  6029. } else {
  6030. /* Accept one or more multicast(s). */
  6031. struct dev_mc_list *mclist;
  6032. unsigned int i;
  6033. u32 mc_filter[4] = { 0, };
  6034. u32 regidx;
  6035. u32 bit;
  6036. u32 crc;
  6037. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  6038. i++, mclist = mclist->next) {
  6039. crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
  6040. bit = ~crc & 0x7f;
  6041. regidx = (bit & 0x60) >> 5;
  6042. bit &= 0x1f;
  6043. mc_filter[regidx] |= (1 << bit);
  6044. }
  6045. tw32(MAC_HASH_REG_0, mc_filter[0]);
  6046. tw32(MAC_HASH_REG_1, mc_filter[1]);
  6047. tw32(MAC_HASH_REG_2, mc_filter[2]);
  6048. tw32(MAC_HASH_REG_3, mc_filter[3]);
  6049. }
  6050. if (rx_mode != tp->rx_mode) {
  6051. tp->rx_mode = rx_mode;
  6052. tw32_f(MAC_RX_MODE, rx_mode);
  6053. udelay(10);
  6054. }
  6055. }
  6056. static void tg3_set_rx_mode(struct net_device *dev)
  6057. {
  6058. struct tg3 *tp = netdev_priv(dev);
  6059. tg3_full_lock(tp, 0);
  6060. __tg3_set_rx_mode(dev);
  6061. tg3_full_unlock(tp);
  6062. }
  6063. #define TG3_REGDUMP_LEN (32 * 1024)
  6064. static int tg3_get_regs_len(struct net_device *dev)
  6065. {
  6066. return TG3_REGDUMP_LEN;
  6067. }
  6068. static void tg3_get_regs(struct net_device *dev,
  6069. struct ethtool_regs *regs, void *_p)
  6070. {
  6071. u32 *p = _p;
  6072. struct tg3 *tp = netdev_priv(dev);
  6073. u8 *orig_p = _p;
  6074. int i;
  6075. regs->version = 0;
  6076. memset(p, 0, TG3_REGDUMP_LEN);
  6077. tg3_full_lock(tp, 0);
  6078. #define __GET_REG32(reg) (*(p)++ = tr32(reg))
  6079. #define GET_REG32_LOOP(base,len) \
  6080. do { p = (u32 *)(orig_p + (base)); \
  6081. for (i = 0; i < len; i += 4) \
  6082. __GET_REG32((base) + i); \
  6083. } while (0)
  6084. #define GET_REG32_1(reg) \
  6085. do { p = (u32 *)(orig_p + (reg)); \
  6086. __GET_REG32((reg)); \
  6087. } while (0)
  6088. GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
  6089. GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
  6090. GET_REG32_LOOP(MAC_MODE, 0x4f0);
  6091. GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
  6092. GET_REG32_1(SNDDATAC_MODE);
  6093. GET_REG32_LOOP(SNDBDS_MODE, 0x80);
  6094. GET_REG32_LOOP(SNDBDI_MODE, 0x48);
  6095. GET_REG32_1(SNDBDC_MODE);
  6096. GET_REG32_LOOP(RCVLPC_MODE, 0x20);
  6097. GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
  6098. GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
  6099. GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
  6100. GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
  6101. GET_REG32_1(RCVDCC_MODE);
  6102. GET_REG32_LOOP(RCVBDI_MODE, 0x20);
  6103. GET_REG32_LOOP(RCVCC_MODE, 0x14);
  6104. GET_REG32_LOOP(RCVLSC_MODE, 0x08);
  6105. GET_REG32_1(MBFREE_MODE);
  6106. GET_REG32_LOOP(HOSTCC_MODE, 0x100);
  6107. GET_REG32_LOOP(MEMARB_MODE, 0x10);
  6108. GET_REG32_LOOP(BUFMGR_MODE, 0x58);
  6109. GET_REG32_LOOP(RDMAC_MODE, 0x08);
  6110. GET_REG32_LOOP(WDMAC_MODE, 0x08);
  6111. GET_REG32_1(RX_CPU_MODE);
  6112. GET_REG32_1(RX_CPU_STATE);
  6113. GET_REG32_1(RX_CPU_PGMCTR);
  6114. GET_REG32_1(RX_CPU_HWBKPT);
  6115. GET_REG32_1(TX_CPU_MODE);
  6116. GET_REG32_1(TX_CPU_STATE);
  6117. GET_REG32_1(TX_CPU_PGMCTR);
  6118. GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
  6119. GET_REG32_LOOP(FTQ_RESET, 0x120);
  6120. GET_REG32_LOOP(MSGINT_MODE, 0x0c);
  6121. GET_REG32_1(DMAC_MODE);
  6122. GET_REG32_LOOP(GRC_MODE, 0x4c);
  6123. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  6124. GET_REG32_LOOP(NVRAM_CMD, 0x24);
  6125. #undef __GET_REG32
  6126. #undef GET_REG32_LOOP
  6127. #undef GET_REG32_1
  6128. tg3_full_unlock(tp);
  6129. }
  6130. static int tg3_get_eeprom_len(struct net_device *dev)
  6131. {
  6132. struct tg3 *tp = netdev_priv(dev);
  6133. return tp->nvram_size;
  6134. }
  6135. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
  6136. static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6137. {
  6138. struct tg3 *tp = netdev_priv(dev);
  6139. int ret;
  6140. u8 *pd;
  6141. u32 i, offset, len, val, b_offset, b_count;
  6142. offset = eeprom->offset;
  6143. len = eeprom->len;
  6144. eeprom->len = 0;
  6145. eeprom->magic = TG3_EEPROM_MAGIC;
  6146. if (offset & 3) {
  6147. /* adjustments to start on required 4 byte boundary */
  6148. b_offset = offset & 3;
  6149. b_count = 4 - b_offset;
  6150. if (b_count > len) {
  6151. /* i.e. offset=1 len=2 */
  6152. b_count = len;
  6153. }
  6154. ret = tg3_nvram_read(tp, offset-b_offset, &val);
  6155. if (ret)
  6156. return ret;
  6157. val = cpu_to_le32(val);
  6158. memcpy(data, ((char*)&val) + b_offset, b_count);
  6159. len -= b_count;
  6160. offset += b_count;
  6161. eeprom->len += b_count;
  6162. }
  6163. /* read bytes upto the last 4 byte boundary */
  6164. pd = &data[eeprom->len];
  6165. for (i = 0; i < (len - (len & 3)); i += 4) {
  6166. ret = tg3_nvram_read(tp, offset + i, &val);
  6167. if (ret) {
  6168. eeprom->len += i;
  6169. return ret;
  6170. }
  6171. val = cpu_to_le32(val);
  6172. memcpy(pd + i, &val, 4);
  6173. }
  6174. eeprom->len += i;
  6175. if (len & 3) {
  6176. /* read last bytes not ending on 4 byte boundary */
  6177. pd = &data[eeprom->len];
  6178. b_count = len & 3;
  6179. b_offset = offset + len - b_count;
  6180. ret = tg3_nvram_read(tp, b_offset, &val);
  6181. if (ret)
  6182. return ret;
  6183. val = cpu_to_le32(val);
  6184. memcpy(pd, ((char*)&val), b_count);
  6185. eeprom->len += b_count;
  6186. }
  6187. return 0;
  6188. }
  6189. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
  6190. static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6191. {
  6192. struct tg3 *tp = netdev_priv(dev);
  6193. int ret;
  6194. u32 offset, len, b_offset, odd_len, start, end;
  6195. u8 *buf;
  6196. if (eeprom->magic != TG3_EEPROM_MAGIC)
  6197. return -EINVAL;
  6198. offset = eeprom->offset;
  6199. len = eeprom->len;
  6200. if ((b_offset = (offset & 3))) {
  6201. /* adjustments to start on required 4 byte boundary */
  6202. ret = tg3_nvram_read(tp, offset-b_offset, &start);
  6203. if (ret)
  6204. return ret;
  6205. start = cpu_to_le32(start);
  6206. len += b_offset;
  6207. offset &= ~3;
  6208. if (len < 4)
  6209. len = 4;
  6210. }
  6211. odd_len = 0;
  6212. if (len & 3) {
  6213. /* adjustments to end on required 4 byte boundary */
  6214. odd_len = 1;
  6215. len = (len + 3) & ~3;
  6216. ret = tg3_nvram_read(tp, offset+len-4, &end);
  6217. if (ret)
  6218. return ret;
  6219. end = cpu_to_le32(end);
  6220. }
  6221. buf = data;
  6222. if (b_offset || odd_len) {
  6223. buf = kmalloc(len, GFP_KERNEL);
  6224. if (buf == 0)
  6225. return -ENOMEM;
  6226. if (b_offset)
  6227. memcpy(buf, &start, 4);
  6228. if (odd_len)
  6229. memcpy(buf+len-4, &end, 4);
  6230. memcpy(buf + b_offset, data, eeprom->len);
  6231. }
  6232. ret = tg3_nvram_write_block(tp, offset, len, buf);
  6233. if (buf != data)
  6234. kfree(buf);
  6235. return ret;
  6236. }
  6237. static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6238. {
  6239. struct tg3 *tp = netdev_priv(dev);
  6240. cmd->supported = (SUPPORTED_Autoneg);
  6241. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  6242. cmd->supported |= (SUPPORTED_1000baseT_Half |
  6243. SUPPORTED_1000baseT_Full);
  6244. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  6245. cmd->supported |= (SUPPORTED_100baseT_Half |
  6246. SUPPORTED_100baseT_Full |
  6247. SUPPORTED_10baseT_Half |
  6248. SUPPORTED_10baseT_Full |
  6249. SUPPORTED_MII);
  6250. else
  6251. cmd->supported |= SUPPORTED_FIBRE;
  6252. cmd->advertising = tp->link_config.advertising;
  6253. if (netif_running(dev)) {
  6254. cmd->speed = tp->link_config.active_speed;
  6255. cmd->duplex = tp->link_config.active_duplex;
  6256. }
  6257. cmd->port = 0;
  6258. cmd->phy_address = PHY_ADDR;
  6259. cmd->transceiver = 0;
  6260. cmd->autoneg = tp->link_config.autoneg;
  6261. cmd->maxtxpkt = 0;
  6262. cmd->maxrxpkt = 0;
  6263. return 0;
  6264. }
  6265. static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6266. {
  6267. struct tg3 *tp = netdev_priv(dev);
  6268. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
  6269. /* These are the only valid advertisement bits allowed. */
  6270. if (cmd->autoneg == AUTONEG_ENABLE &&
  6271. (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
  6272. ADVERTISED_1000baseT_Full |
  6273. ADVERTISED_Autoneg |
  6274. ADVERTISED_FIBRE)))
  6275. return -EINVAL;
  6276. /* Fiber can only do SPEED_1000. */
  6277. else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  6278. (cmd->speed != SPEED_1000))
  6279. return -EINVAL;
  6280. /* Copper cannot force SPEED_1000. */
  6281. } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  6282. (cmd->speed == SPEED_1000))
  6283. return -EINVAL;
  6284. else if ((cmd->speed == SPEED_1000) &&
  6285. (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
  6286. return -EINVAL;
  6287. tg3_full_lock(tp, 0);
  6288. tp->link_config.autoneg = cmd->autoneg;
  6289. if (cmd->autoneg == AUTONEG_ENABLE) {
  6290. tp->link_config.advertising = cmd->advertising;
  6291. tp->link_config.speed = SPEED_INVALID;
  6292. tp->link_config.duplex = DUPLEX_INVALID;
  6293. } else {
  6294. tp->link_config.advertising = 0;
  6295. tp->link_config.speed = cmd->speed;
  6296. tp->link_config.duplex = cmd->duplex;
  6297. }
  6298. if (netif_running(dev))
  6299. tg3_setup_phy(tp, 1);
  6300. tg3_full_unlock(tp);
  6301. return 0;
  6302. }
  6303. static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  6304. {
  6305. struct tg3 *tp = netdev_priv(dev);
  6306. strcpy(info->driver, DRV_MODULE_NAME);
  6307. strcpy(info->version, DRV_MODULE_VERSION);
  6308. strcpy(info->bus_info, pci_name(tp->pdev));
  6309. }
  6310. static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6311. {
  6312. struct tg3 *tp = netdev_priv(dev);
  6313. wol->supported = WAKE_MAGIC;
  6314. wol->wolopts = 0;
  6315. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  6316. wol->wolopts = WAKE_MAGIC;
  6317. memset(&wol->sopass, 0, sizeof(wol->sopass));
  6318. }
  6319. static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6320. {
  6321. struct tg3 *tp = netdev_priv(dev);
  6322. if (wol->wolopts & ~WAKE_MAGIC)
  6323. return -EINVAL;
  6324. if ((wol->wolopts & WAKE_MAGIC) &&
  6325. tp->tg3_flags2 & TG3_FLG2_PHY_SERDES &&
  6326. !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
  6327. return -EINVAL;
  6328. spin_lock_bh(&tp->lock);
  6329. if (wol->wolopts & WAKE_MAGIC)
  6330. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  6331. else
  6332. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  6333. spin_unlock_bh(&tp->lock);
  6334. return 0;
  6335. }
  6336. static u32 tg3_get_msglevel(struct net_device *dev)
  6337. {
  6338. struct tg3 *tp = netdev_priv(dev);
  6339. return tp->msg_enable;
  6340. }
  6341. static void tg3_set_msglevel(struct net_device *dev, u32 value)
  6342. {
  6343. struct tg3 *tp = netdev_priv(dev);
  6344. tp->msg_enable = value;
  6345. }
  6346. #if TG3_TSO_SUPPORT != 0
  6347. static int tg3_set_tso(struct net_device *dev, u32 value)
  6348. {
  6349. struct tg3 *tp = netdev_priv(dev);
  6350. if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  6351. if (value)
  6352. return -EINVAL;
  6353. return 0;
  6354. }
  6355. return ethtool_op_set_tso(dev, value);
  6356. }
  6357. #endif
  6358. static int tg3_nway_reset(struct net_device *dev)
  6359. {
  6360. struct tg3 *tp = netdev_priv(dev);
  6361. u32 bmcr;
  6362. int r;
  6363. if (!netif_running(dev))
  6364. return -EAGAIN;
  6365. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6366. return -EINVAL;
  6367. spin_lock_bh(&tp->lock);
  6368. r = -EINVAL;
  6369. tg3_readphy(tp, MII_BMCR, &bmcr);
  6370. if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
  6371. ((bmcr & BMCR_ANENABLE) ||
  6372. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
  6373. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
  6374. BMCR_ANENABLE);
  6375. r = 0;
  6376. }
  6377. spin_unlock_bh(&tp->lock);
  6378. return r;
  6379. }
  6380. static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6381. {
  6382. struct tg3 *tp = netdev_priv(dev);
  6383. ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
  6384. ering->rx_mini_max_pending = 0;
  6385. ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
  6386. ering->rx_pending = tp->rx_pending;
  6387. ering->rx_mini_pending = 0;
  6388. ering->rx_jumbo_pending = tp->rx_jumbo_pending;
  6389. ering->tx_pending = tp->tx_pending;
  6390. }
  6391. static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6392. {
  6393. struct tg3 *tp = netdev_priv(dev);
  6394. int irq_sync = 0;
  6395. if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
  6396. (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
  6397. (ering->tx_pending > TG3_TX_RING_SIZE - 1))
  6398. return -EINVAL;
  6399. if (netif_running(dev)) {
  6400. tg3_netif_stop(tp);
  6401. irq_sync = 1;
  6402. }
  6403. tg3_full_lock(tp, irq_sync);
  6404. tp->rx_pending = ering->rx_pending;
  6405. if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
  6406. tp->rx_pending > 63)
  6407. tp->rx_pending = 63;
  6408. tp->rx_jumbo_pending = ering->rx_jumbo_pending;
  6409. tp->tx_pending = ering->tx_pending;
  6410. if (netif_running(dev)) {
  6411. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6412. tg3_init_hw(tp);
  6413. tg3_netif_start(tp);
  6414. }
  6415. tg3_full_unlock(tp);
  6416. return 0;
  6417. }
  6418. static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6419. {
  6420. struct tg3 *tp = netdev_priv(dev);
  6421. epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
  6422. epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
  6423. epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
  6424. }
  6425. static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6426. {
  6427. struct tg3 *tp = netdev_priv(dev);
  6428. int irq_sync = 0;
  6429. if (netif_running(dev)) {
  6430. tg3_netif_stop(tp);
  6431. irq_sync = 1;
  6432. }
  6433. tg3_full_lock(tp, irq_sync);
  6434. if (epause->autoneg)
  6435. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  6436. else
  6437. tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
  6438. if (epause->rx_pause)
  6439. tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
  6440. else
  6441. tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
  6442. if (epause->tx_pause)
  6443. tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
  6444. else
  6445. tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
  6446. if (netif_running(dev)) {
  6447. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6448. tg3_init_hw(tp);
  6449. tg3_netif_start(tp);
  6450. }
  6451. tg3_full_unlock(tp);
  6452. return 0;
  6453. }
  6454. static u32 tg3_get_rx_csum(struct net_device *dev)
  6455. {
  6456. struct tg3 *tp = netdev_priv(dev);
  6457. return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
  6458. }
  6459. static int tg3_set_rx_csum(struct net_device *dev, u32 data)
  6460. {
  6461. struct tg3 *tp = netdev_priv(dev);
  6462. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  6463. if (data != 0)
  6464. return -EINVAL;
  6465. return 0;
  6466. }
  6467. spin_lock_bh(&tp->lock);
  6468. if (data)
  6469. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  6470. else
  6471. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  6472. spin_unlock_bh(&tp->lock);
  6473. return 0;
  6474. }
  6475. static int tg3_set_tx_csum(struct net_device *dev, u32 data)
  6476. {
  6477. struct tg3 *tp = netdev_priv(dev);
  6478. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  6479. if (data != 0)
  6480. return -EINVAL;
  6481. return 0;
  6482. }
  6483. if (data)
  6484. dev->features |= NETIF_F_IP_CSUM;
  6485. else
  6486. dev->features &= ~NETIF_F_IP_CSUM;
  6487. return 0;
  6488. }
  6489. static int tg3_get_stats_count (struct net_device *dev)
  6490. {
  6491. return TG3_NUM_STATS;
  6492. }
  6493. static int tg3_get_test_count (struct net_device *dev)
  6494. {
  6495. return TG3_NUM_TEST;
  6496. }
  6497. static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
  6498. {
  6499. switch (stringset) {
  6500. case ETH_SS_STATS:
  6501. memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
  6502. break;
  6503. case ETH_SS_TEST:
  6504. memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
  6505. break;
  6506. default:
  6507. WARN_ON(1); /* we need a WARN() */
  6508. break;
  6509. }
  6510. }
  6511. static int tg3_phys_id(struct net_device *dev, u32 data)
  6512. {
  6513. struct tg3 *tp = netdev_priv(dev);
  6514. int i;
  6515. if (!netif_running(tp->dev))
  6516. return -EAGAIN;
  6517. if (data == 0)
  6518. data = 2;
  6519. for (i = 0; i < (data * 2); i++) {
  6520. if ((i % 2) == 0)
  6521. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  6522. LED_CTRL_1000MBPS_ON |
  6523. LED_CTRL_100MBPS_ON |
  6524. LED_CTRL_10MBPS_ON |
  6525. LED_CTRL_TRAFFIC_OVERRIDE |
  6526. LED_CTRL_TRAFFIC_BLINK |
  6527. LED_CTRL_TRAFFIC_LED);
  6528. else
  6529. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  6530. LED_CTRL_TRAFFIC_OVERRIDE);
  6531. if (msleep_interruptible(500))
  6532. break;
  6533. }
  6534. tw32(MAC_LED_CTRL, tp->led_ctrl);
  6535. return 0;
  6536. }
  6537. static void tg3_get_ethtool_stats (struct net_device *dev,
  6538. struct ethtool_stats *estats, u64 *tmp_stats)
  6539. {
  6540. struct tg3 *tp = netdev_priv(dev);
  6541. memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
  6542. }
  6543. #define NVRAM_TEST_SIZE 0x100
  6544. static int tg3_test_nvram(struct tg3 *tp)
  6545. {
  6546. u32 *buf, csum;
  6547. int i, j, err = 0;
  6548. buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
  6549. if (buf == NULL)
  6550. return -ENOMEM;
  6551. for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
  6552. u32 val;
  6553. if ((err = tg3_nvram_read(tp, i, &val)) != 0)
  6554. break;
  6555. buf[j] = cpu_to_le32(val);
  6556. }
  6557. if (i < NVRAM_TEST_SIZE)
  6558. goto out;
  6559. err = -EIO;
  6560. if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
  6561. goto out;
  6562. /* Bootstrap checksum at offset 0x10 */
  6563. csum = calc_crc((unsigned char *) buf, 0x10);
  6564. if(csum != cpu_to_le32(buf[0x10/4]))
  6565. goto out;
  6566. /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
  6567. csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
  6568. if (csum != cpu_to_le32(buf[0xfc/4]))
  6569. goto out;
  6570. err = 0;
  6571. out:
  6572. kfree(buf);
  6573. return err;
  6574. }
  6575. #define TG3_SERDES_TIMEOUT_SEC 2
  6576. #define TG3_COPPER_TIMEOUT_SEC 6
  6577. static int tg3_test_link(struct tg3 *tp)
  6578. {
  6579. int i, max;
  6580. if (!netif_running(tp->dev))
  6581. return -ENODEV;
  6582. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  6583. max = TG3_SERDES_TIMEOUT_SEC;
  6584. else
  6585. max = TG3_COPPER_TIMEOUT_SEC;
  6586. for (i = 0; i < max; i++) {
  6587. if (netif_carrier_ok(tp->dev))
  6588. return 0;
  6589. if (msleep_interruptible(1000))
  6590. break;
  6591. }
  6592. return -EIO;
  6593. }
  6594. /* Only test the commonly used registers */
  6595. static int tg3_test_registers(struct tg3 *tp)
  6596. {
  6597. int i, is_5705;
  6598. u32 offset, read_mask, write_mask, val, save_val, read_val;
  6599. static struct {
  6600. u16 offset;
  6601. u16 flags;
  6602. #define TG3_FL_5705 0x1
  6603. #define TG3_FL_NOT_5705 0x2
  6604. #define TG3_FL_NOT_5788 0x4
  6605. u32 read_mask;
  6606. u32 write_mask;
  6607. } reg_tbl[] = {
  6608. /* MAC Control Registers */
  6609. { MAC_MODE, TG3_FL_NOT_5705,
  6610. 0x00000000, 0x00ef6f8c },
  6611. { MAC_MODE, TG3_FL_5705,
  6612. 0x00000000, 0x01ef6b8c },
  6613. { MAC_STATUS, TG3_FL_NOT_5705,
  6614. 0x03800107, 0x00000000 },
  6615. { MAC_STATUS, TG3_FL_5705,
  6616. 0x03800100, 0x00000000 },
  6617. { MAC_ADDR_0_HIGH, 0x0000,
  6618. 0x00000000, 0x0000ffff },
  6619. { MAC_ADDR_0_LOW, 0x0000,
  6620. 0x00000000, 0xffffffff },
  6621. { MAC_RX_MTU_SIZE, 0x0000,
  6622. 0x00000000, 0x0000ffff },
  6623. { MAC_TX_MODE, 0x0000,
  6624. 0x00000000, 0x00000070 },
  6625. { MAC_TX_LENGTHS, 0x0000,
  6626. 0x00000000, 0x00003fff },
  6627. { MAC_RX_MODE, TG3_FL_NOT_5705,
  6628. 0x00000000, 0x000007fc },
  6629. { MAC_RX_MODE, TG3_FL_5705,
  6630. 0x00000000, 0x000007dc },
  6631. { MAC_HASH_REG_0, 0x0000,
  6632. 0x00000000, 0xffffffff },
  6633. { MAC_HASH_REG_1, 0x0000,
  6634. 0x00000000, 0xffffffff },
  6635. { MAC_HASH_REG_2, 0x0000,
  6636. 0x00000000, 0xffffffff },
  6637. { MAC_HASH_REG_3, 0x0000,
  6638. 0x00000000, 0xffffffff },
  6639. /* Receive Data and Receive BD Initiator Control Registers. */
  6640. { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
  6641. 0x00000000, 0xffffffff },
  6642. { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
  6643. 0x00000000, 0xffffffff },
  6644. { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
  6645. 0x00000000, 0x00000003 },
  6646. { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
  6647. 0x00000000, 0xffffffff },
  6648. { RCVDBDI_STD_BD+0, 0x0000,
  6649. 0x00000000, 0xffffffff },
  6650. { RCVDBDI_STD_BD+4, 0x0000,
  6651. 0x00000000, 0xffffffff },
  6652. { RCVDBDI_STD_BD+8, 0x0000,
  6653. 0x00000000, 0xffff0002 },
  6654. { RCVDBDI_STD_BD+0xc, 0x0000,
  6655. 0x00000000, 0xffffffff },
  6656. /* Receive BD Initiator Control Registers. */
  6657. { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
  6658. 0x00000000, 0xffffffff },
  6659. { RCVBDI_STD_THRESH, TG3_FL_5705,
  6660. 0x00000000, 0x000003ff },
  6661. { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
  6662. 0x00000000, 0xffffffff },
  6663. /* Host Coalescing Control Registers. */
  6664. { HOSTCC_MODE, TG3_FL_NOT_5705,
  6665. 0x00000000, 0x00000004 },
  6666. { HOSTCC_MODE, TG3_FL_5705,
  6667. 0x00000000, 0x000000f6 },
  6668. { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
  6669. 0x00000000, 0xffffffff },
  6670. { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
  6671. 0x00000000, 0x000003ff },
  6672. { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
  6673. 0x00000000, 0xffffffff },
  6674. { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
  6675. 0x00000000, 0x000003ff },
  6676. { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
  6677. 0x00000000, 0xffffffff },
  6678. { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  6679. 0x00000000, 0x000000ff },
  6680. { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
  6681. 0x00000000, 0xffffffff },
  6682. { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  6683. 0x00000000, 0x000000ff },
  6684. { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
  6685. 0x00000000, 0xffffffff },
  6686. { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
  6687. 0x00000000, 0xffffffff },
  6688. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  6689. 0x00000000, 0xffffffff },
  6690. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  6691. 0x00000000, 0x000000ff },
  6692. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  6693. 0x00000000, 0xffffffff },
  6694. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  6695. 0x00000000, 0x000000ff },
  6696. { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
  6697. 0x00000000, 0xffffffff },
  6698. { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
  6699. 0x00000000, 0xffffffff },
  6700. { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
  6701. 0x00000000, 0xffffffff },
  6702. { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
  6703. 0x00000000, 0xffffffff },
  6704. { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
  6705. 0x00000000, 0xffffffff },
  6706. { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
  6707. 0xffffffff, 0x00000000 },
  6708. { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
  6709. 0xffffffff, 0x00000000 },
  6710. /* Buffer Manager Control Registers. */
  6711. { BUFMGR_MB_POOL_ADDR, 0x0000,
  6712. 0x00000000, 0x007fff80 },
  6713. { BUFMGR_MB_POOL_SIZE, 0x0000,
  6714. 0x00000000, 0x007fffff },
  6715. { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
  6716. 0x00000000, 0x0000003f },
  6717. { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
  6718. 0x00000000, 0x000001ff },
  6719. { BUFMGR_MB_HIGH_WATER, 0x0000,
  6720. 0x00000000, 0x000001ff },
  6721. { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
  6722. 0xffffffff, 0x00000000 },
  6723. { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
  6724. 0xffffffff, 0x00000000 },
  6725. /* Mailbox Registers */
  6726. { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
  6727. 0x00000000, 0x000001ff },
  6728. { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
  6729. 0x00000000, 0x000001ff },
  6730. { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
  6731. 0x00000000, 0x000007ff },
  6732. { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
  6733. 0x00000000, 0x000001ff },
  6734. { 0xffff, 0x0000, 0x00000000, 0x00000000 },
  6735. };
  6736. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  6737. is_5705 = 1;
  6738. else
  6739. is_5705 = 0;
  6740. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  6741. if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
  6742. continue;
  6743. if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
  6744. continue;
  6745. if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  6746. (reg_tbl[i].flags & TG3_FL_NOT_5788))
  6747. continue;
  6748. offset = (u32) reg_tbl[i].offset;
  6749. read_mask = reg_tbl[i].read_mask;
  6750. write_mask = reg_tbl[i].write_mask;
  6751. /* Save the original register content */
  6752. save_val = tr32(offset);
  6753. /* Determine the read-only value. */
  6754. read_val = save_val & read_mask;
  6755. /* Write zero to the register, then make sure the read-only bits
  6756. * are not changed and the read/write bits are all zeros.
  6757. */
  6758. tw32(offset, 0);
  6759. val = tr32(offset);
  6760. /* Test the read-only and read/write bits. */
  6761. if (((val & read_mask) != read_val) || (val & write_mask))
  6762. goto out;
  6763. /* Write ones to all the bits defined by RdMask and WrMask, then
  6764. * make sure the read-only bits are not changed and the
  6765. * read/write bits are all ones.
  6766. */
  6767. tw32(offset, read_mask | write_mask);
  6768. val = tr32(offset);
  6769. /* Test the read-only bits. */
  6770. if ((val & read_mask) != read_val)
  6771. goto out;
  6772. /* Test the read/write bits. */
  6773. if ((val & write_mask) != write_mask)
  6774. goto out;
  6775. tw32(offset, save_val);
  6776. }
  6777. return 0;
  6778. out:
  6779. printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
  6780. tw32(offset, save_val);
  6781. return -EIO;
  6782. }
  6783. static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
  6784. {
  6785. static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
  6786. int i;
  6787. u32 j;
  6788. for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
  6789. for (j = 0; j < len; j += 4) {
  6790. u32 val;
  6791. tg3_write_mem(tp, offset + j, test_pattern[i]);
  6792. tg3_read_mem(tp, offset + j, &val);
  6793. if (val != test_pattern[i])
  6794. return -EIO;
  6795. }
  6796. }
  6797. return 0;
  6798. }
  6799. static int tg3_test_memory(struct tg3 *tp)
  6800. {
  6801. static struct mem_entry {
  6802. u32 offset;
  6803. u32 len;
  6804. } mem_tbl_570x[] = {
  6805. { 0x00000000, 0x00b50},
  6806. { 0x00002000, 0x1c000},
  6807. { 0xffffffff, 0x00000}
  6808. }, mem_tbl_5705[] = {
  6809. { 0x00000100, 0x0000c},
  6810. { 0x00000200, 0x00008},
  6811. { 0x00004000, 0x00800},
  6812. { 0x00006000, 0x01000},
  6813. { 0x00008000, 0x02000},
  6814. { 0x00010000, 0x0e000},
  6815. { 0xffffffff, 0x00000}
  6816. };
  6817. struct mem_entry *mem_tbl;
  6818. int err = 0;
  6819. int i;
  6820. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  6821. mem_tbl = mem_tbl_5705;
  6822. else
  6823. mem_tbl = mem_tbl_570x;
  6824. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  6825. if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
  6826. mem_tbl[i].len)) != 0)
  6827. break;
  6828. }
  6829. return err;
  6830. }
  6831. #define TG3_MAC_LOOPBACK 0
  6832. #define TG3_PHY_LOOPBACK 1
  6833. static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
  6834. {
  6835. u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
  6836. u32 desc_idx;
  6837. struct sk_buff *skb, *rx_skb;
  6838. u8 *tx_data;
  6839. dma_addr_t map;
  6840. int num_pkts, tx_len, rx_len, i, err;
  6841. struct tg3_rx_buffer_desc *desc;
  6842. if (loopback_mode == TG3_MAC_LOOPBACK) {
  6843. /* HW errata - mac loopback fails in some cases on 5780.
  6844. * Normal traffic and PHY loopback are not affected by
  6845. * errata.
  6846. */
  6847. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  6848. return 0;
  6849. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  6850. MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY |
  6851. MAC_MODE_PORT_MODE_GMII;
  6852. tw32(MAC_MODE, mac_mode);
  6853. } else if (loopback_mode == TG3_PHY_LOOPBACK) {
  6854. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX |
  6855. BMCR_SPEED1000);
  6856. udelay(40);
  6857. /* reset to prevent losing 1st rx packet intermittently */
  6858. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  6859. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  6860. udelay(10);
  6861. tw32_f(MAC_RX_MODE, tp->rx_mode);
  6862. }
  6863. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  6864. MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII;
  6865. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
  6866. mac_mode &= ~MAC_MODE_LINK_POLARITY;
  6867. tw32(MAC_MODE, mac_mode);
  6868. }
  6869. else
  6870. return -EINVAL;
  6871. err = -EIO;
  6872. tx_len = 1514;
  6873. skb = dev_alloc_skb(tx_len);
  6874. tx_data = skb_put(skb, tx_len);
  6875. memcpy(tx_data, tp->dev->dev_addr, 6);
  6876. memset(tx_data + 6, 0x0, 8);
  6877. tw32(MAC_RX_MTU_SIZE, tx_len + 4);
  6878. for (i = 14; i < tx_len; i++)
  6879. tx_data[i] = (u8) (i & 0xff);
  6880. map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
  6881. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  6882. HOSTCC_MODE_NOW);
  6883. udelay(10);
  6884. rx_start_idx = tp->hw_status->idx[0].rx_producer;
  6885. num_pkts = 0;
  6886. tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
  6887. tp->tx_prod++;
  6888. num_pkts++;
  6889. tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
  6890. tp->tx_prod);
  6891. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
  6892. udelay(10);
  6893. for (i = 0; i < 10; i++) {
  6894. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  6895. HOSTCC_MODE_NOW);
  6896. udelay(10);
  6897. tx_idx = tp->hw_status->idx[0].tx_consumer;
  6898. rx_idx = tp->hw_status->idx[0].rx_producer;
  6899. if ((tx_idx == tp->tx_prod) &&
  6900. (rx_idx == (rx_start_idx + num_pkts)))
  6901. break;
  6902. }
  6903. pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
  6904. dev_kfree_skb(skb);
  6905. if (tx_idx != tp->tx_prod)
  6906. goto out;
  6907. if (rx_idx != rx_start_idx + num_pkts)
  6908. goto out;
  6909. desc = &tp->rx_rcb[rx_start_idx];
  6910. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  6911. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  6912. if (opaque_key != RXD_OPAQUE_RING_STD)
  6913. goto out;
  6914. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  6915. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
  6916. goto out;
  6917. rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
  6918. if (rx_len != tx_len)
  6919. goto out;
  6920. rx_skb = tp->rx_std_buffers[desc_idx].skb;
  6921. map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
  6922. pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
  6923. for (i = 14; i < tx_len; i++) {
  6924. if (*(rx_skb->data + i) != (u8) (i & 0xff))
  6925. goto out;
  6926. }
  6927. err = 0;
  6928. /* tg3_free_rings will unmap and free the rx_skb */
  6929. out:
  6930. return err;
  6931. }
  6932. #define TG3_MAC_LOOPBACK_FAILED 1
  6933. #define TG3_PHY_LOOPBACK_FAILED 2
  6934. #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
  6935. TG3_PHY_LOOPBACK_FAILED)
  6936. static int tg3_test_loopback(struct tg3 *tp)
  6937. {
  6938. int err = 0;
  6939. if (!netif_running(tp->dev))
  6940. return TG3_LOOPBACK_FAILED;
  6941. tg3_reset_hw(tp);
  6942. if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
  6943. err |= TG3_MAC_LOOPBACK_FAILED;
  6944. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  6945. if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
  6946. err |= TG3_PHY_LOOPBACK_FAILED;
  6947. }
  6948. return err;
  6949. }
  6950. static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
  6951. u64 *data)
  6952. {
  6953. struct tg3 *tp = netdev_priv(dev);
  6954. memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
  6955. if (tg3_test_nvram(tp) != 0) {
  6956. etest->flags |= ETH_TEST_FL_FAILED;
  6957. data[0] = 1;
  6958. }
  6959. if (tg3_test_link(tp) != 0) {
  6960. etest->flags |= ETH_TEST_FL_FAILED;
  6961. data[1] = 1;
  6962. }
  6963. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  6964. int irq_sync = 0;
  6965. if (netif_running(dev)) {
  6966. tg3_netif_stop(tp);
  6967. irq_sync = 1;
  6968. }
  6969. tg3_full_lock(tp, irq_sync);
  6970. tg3_halt(tp, RESET_KIND_SUSPEND, 1);
  6971. tg3_nvram_lock(tp);
  6972. tg3_halt_cpu(tp, RX_CPU_BASE);
  6973. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  6974. tg3_halt_cpu(tp, TX_CPU_BASE);
  6975. tg3_nvram_unlock(tp);
  6976. if (tg3_test_registers(tp) != 0) {
  6977. etest->flags |= ETH_TEST_FL_FAILED;
  6978. data[2] = 1;
  6979. }
  6980. if (tg3_test_memory(tp) != 0) {
  6981. etest->flags |= ETH_TEST_FL_FAILED;
  6982. data[3] = 1;
  6983. }
  6984. if ((data[4] = tg3_test_loopback(tp)) != 0)
  6985. etest->flags |= ETH_TEST_FL_FAILED;
  6986. tg3_full_unlock(tp);
  6987. if (tg3_test_interrupt(tp) != 0) {
  6988. etest->flags |= ETH_TEST_FL_FAILED;
  6989. data[5] = 1;
  6990. }
  6991. tg3_full_lock(tp, 0);
  6992. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6993. if (netif_running(dev)) {
  6994. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  6995. tg3_init_hw(tp);
  6996. tg3_netif_start(tp);
  6997. }
  6998. tg3_full_unlock(tp);
  6999. }
  7000. }
  7001. static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  7002. {
  7003. struct mii_ioctl_data *data = if_mii(ifr);
  7004. struct tg3 *tp = netdev_priv(dev);
  7005. int err;
  7006. switch(cmd) {
  7007. case SIOCGMIIPHY:
  7008. data->phy_id = PHY_ADDR;
  7009. /* fallthru */
  7010. case SIOCGMIIREG: {
  7011. u32 mii_regval;
  7012. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7013. break; /* We have no PHY */
  7014. spin_lock_bh(&tp->lock);
  7015. err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
  7016. spin_unlock_bh(&tp->lock);
  7017. data->val_out = mii_regval;
  7018. return err;
  7019. }
  7020. case SIOCSMIIREG:
  7021. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7022. break; /* We have no PHY */
  7023. if (!capable(CAP_NET_ADMIN))
  7024. return -EPERM;
  7025. spin_lock_bh(&tp->lock);
  7026. err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
  7027. spin_unlock_bh(&tp->lock);
  7028. return err;
  7029. default:
  7030. /* do nothing */
  7031. break;
  7032. }
  7033. return -EOPNOTSUPP;
  7034. }
  7035. #if TG3_VLAN_TAG_USED
  7036. static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
  7037. {
  7038. struct tg3 *tp = netdev_priv(dev);
  7039. tg3_full_lock(tp, 0);
  7040. tp->vlgrp = grp;
  7041. /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
  7042. __tg3_set_rx_mode(dev);
  7043. tg3_full_unlock(tp);
  7044. }
  7045. static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
  7046. {
  7047. struct tg3 *tp = netdev_priv(dev);
  7048. tg3_full_lock(tp, 0);
  7049. if (tp->vlgrp)
  7050. tp->vlgrp->vlan_devices[vid] = NULL;
  7051. tg3_full_unlock(tp);
  7052. }
  7053. #endif
  7054. static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  7055. {
  7056. struct tg3 *tp = netdev_priv(dev);
  7057. memcpy(ec, &tp->coal, sizeof(*ec));
  7058. return 0;
  7059. }
  7060. static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  7061. {
  7062. struct tg3 *tp = netdev_priv(dev);
  7063. u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
  7064. u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
  7065. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  7066. max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
  7067. max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
  7068. max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
  7069. min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
  7070. }
  7071. if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
  7072. (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
  7073. (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
  7074. (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
  7075. (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
  7076. (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
  7077. (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
  7078. (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
  7079. (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
  7080. (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
  7081. return -EINVAL;
  7082. /* No rx interrupts will be generated if both are zero */
  7083. if ((ec->rx_coalesce_usecs == 0) &&
  7084. (ec->rx_max_coalesced_frames == 0))
  7085. return -EINVAL;
  7086. /* No tx interrupts will be generated if both are zero */
  7087. if ((ec->tx_coalesce_usecs == 0) &&
  7088. (ec->tx_max_coalesced_frames == 0))
  7089. return -EINVAL;
  7090. /* Only copy relevant parameters, ignore all others. */
  7091. tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
  7092. tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
  7093. tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
  7094. tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
  7095. tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
  7096. tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
  7097. tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
  7098. tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
  7099. tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
  7100. if (netif_running(dev)) {
  7101. tg3_full_lock(tp, 0);
  7102. __tg3_set_coalesce(tp, &tp->coal);
  7103. tg3_full_unlock(tp);
  7104. }
  7105. return 0;
  7106. }
  7107. static struct ethtool_ops tg3_ethtool_ops = {
  7108. .get_settings = tg3_get_settings,
  7109. .set_settings = tg3_set_settings,
  7110. .get_drvinfo = tg3_get_drvinfo,
  7111. .get_regs_len = tg3_get_regs_len,
  7112. .get_regs = tg3_get_regs,
  7113. .get_wol = tg3_get_wol,
  7114. .set_wol = tg3_set_wol,
  7115. .get_msglevel = tg3_get_msglevel,
  7116. .set_msglevel = tg3_set_msglevel,
  7117. .nway_reset = tg3_nway_reset,
  7118. .get_link = ethtool_op_get_link,
  7119. .get_eeprom_len = tg3_get_eeprom_len,
  7120. .get_eeprom = tg3_get_eeprom,
  7121. .set_eeprom = tg3_set_eeprom,
  7122. .get_ringparam = tg3_get_ringparam,
  7123. .set_ringparam = tg3_set_ringparam,
  7124. .get_pauseparam = tg3_get_pauseparam,
  7125. .set_pauseparam = tg3_set_pauseparam,
  7126. .get_rx_csum = tg3_get_rx_csum,
  7127. .set_rx_csum = tg3_set_rx_csum,
  7128. .get_tx_csum = ethtool_op_get_tx_csum,
  7129. .set_tx_csum = tg3_set_tx_csum,
  7130. .get_sg = ethtool_op_get_sg,
  7131. .set_sg = ethtool_op_set_sg,
  7132. #if TG3_TSO_SUPPORT != 0
  7133. .get_tso = ethtool_op_get_tso,
  7134. .set_tso = tg3_set_tso,
  7135. #endif
  7136. .self_test_count = tg3_get_test_count,
  7137. .self_test = tg3_self_test,
  7138. .get_strings = tg3_get_strings,
  7139. .phys_id = tg3_phys_id,
  7140. .get_stats_count = tg3_get_stats_count,
  7141. .get_ethtool_stats = tg3_get_ethtool_stats,
  7142. .get_coalesce = tg3_get_coalesce,
  7143. .set_coalesce = tg3_set_coalesce,
  7144. .get_perm_addr = ethtool_op_get_perm_addr,
  7145. };
  7146. static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
  7147. {
  7148. u32 cursize, val;
  7149. tp->nvram_size = EEPROM_CHIP_SIZE;
  7150. if (tg3_nvram_read(tp, 0, &val) != 0)
  7151. return;
  7152. if (swab32(val) != TG3_EEPROM_MAGIC)
  7153. return;
  7154. /*
  7155. * Size the chip by reading offsets at increasing powers of two.
  7156. * When we encounter our validation signature, we know the addressing
  7157. * has wrapped around, and thus have our chip size.
  7158. */
  7159. cursize = 0x800;
  7160. while (cursize < tp->nvram_size) {
  7161. if (tg3_nvram_read(tp, cursize, &val) != 0)
  7162. return;
  7163. if (swab32(val) == TG3_EEPROM_MAGIC)
  7164. break;
  7165. cursize <<= 1;
  7166. }
  7167. tp->nvram_size = cursize;
  7168. }
  7169. static void __devinit tg3_get_nvram_size(struct tg3 *tp)
  7170. {
  7171. u32 val;
  7172. if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
  7173. if (val != 0) {
  7174. tp->nvram_size = (val >> 16) * 1024;
  7175. return;
  7176. }
  7177. }
  7178. tp->nvram_size = 0x20000;
  7179. }
  7180. static void __devinit tg3_get_nvram_info(struct tg3 *tp)
  7181. {
  7182. u32 nvcfg1;
  7183. nvcfg1 = tr32(NVRAM_CFG1);
  7184. if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
  7185. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7186. }
  7187. else {
  7188. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7189. tw32(NVRAM_CFG1, nvcfg1);
  7190. }
  7191. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
  7192. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  7193. switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
  7194. case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
  7195. tp->nvram_jedecnum = JEDEC_ATMEL;
  7196. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7197. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7198. break;
  7199. case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
  7200. tp->nvram_jedecnum = JEDEC_ATMEL;
  7201. tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
  7202. break;
  7203. case FLASH_VENDOR_ATMEL_EEPROM:
  7204. tp->nvram_jedecnum = JEDEC_ATMEL;
  7205. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7206. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7207. break;
  7208. case FLASH_VENDOR_ST:
  7209. tp->nvram_jedecnum = JEDEC_ST;
  7210. tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
  7211. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7212. break;
  7213. case FLASH_VENDOR_SAIFUN:
  7214. tp->nvram_jedecnum = JEDEC_SAIFUN;
  7215. tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
  7216. break;
  7217. case FLASH_VENDOR_SST_SMALL:
  7218. case FLASH_VENDOR_SST_LARGE:
  7219. tp->nvram_jedecnum = JEDEC_SST;
  7220. tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
  7221. break;
  7222. }
  7223. }
  7224. else {
  7225. tp->nvram_jedecnum = JEDEC_ATMEL;
  7226. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7227. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7228. }
  7229. }
  7230. static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
  7231. {
  7232. u32 nvcfg1;
  7233. nvcfg1 = tr32(NVRAM_CFG1);
  7234. /* NVRAM protection for TPM */
  7235. if (nvcfg1 & (1 << 27))
  7236. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  7237. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  7238. case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
  7239. case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
  7240. tp->nvram_jedecnum = JEDEC_ATMEL;
  7241. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7242. break;
  7243. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  7244. tp->nvram_jedecnum = JEDEC_ATMEL;
  7245. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7246. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7247. break;
  7248. case FLASH_5752VENDOR_ST_M45PE10:
  7249. case FLASH_5752VENDOR_ST_M45PE20:
  7250. case FLASH_5752VENDOR_ST_M45PE40:
  7251. tp->nvram_jedecnum = JEDEC_ST;
  7252. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7253. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7254. break;
  7255. }
  7256. if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
  7257. switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
  7258. case FLASH_5752PAGE_SIZE_256:
  7259. tp->nvram_pagesize = 256;
  7260. break;
  7261. case FLASH_5752PAGE_SIZE_512:
  7262. tp->nvram_pagesize = 512;
  7263. break;
  7264. case FLASH_5752PAGE_SIZE_1K:
  7265. tp->nvram_pagesize = 1024;
  7266. break;
  7267. case FLASH_5752PAGE_SIZE_2K:
  7268. tp->nvram_pagesize = 2048;
  7269. break;
  7270. case FLASH_5752PAGE_SIZE_4K:
  7271. tp->nvram_pagesize = 4096;
  7272. break;
  7273. case FLASH_5752PAGE_SIZE_264:
  7274. tp->nvram_pagesize = 264;
  7275. break;
  7276. }
  7277. }
  7278. else {
  7279. /* For eeprom, set pagesize to maximum eeprom size */
  7280. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7281. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7282. tw32(NVRAM_CFG1, nvcfg1);
  7283. }
  7284. }
  7285. /* Chips other than 5700/5701 use the NVRAM for fetching info. */
  7286. static void __devinit tg3_nvram_init(struct tg3 *tp)
  7287. {
  7288. int j;
  7289. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
  7290. return;
  7291. tw32_f(GRC_EEPROM_ADDR,
  7292. (EEPROM_ADDR_FSM_RESET |
  7293. (EEPROM_DEFAULT_CLOCK_PERIOD <<
  7294. EEPROM_ADDR_CLKPERD_SHIFT)));
  7295. /* XXX schedule_timeout() ... */
  7296. for (j = 0; j < 100; j++)
  7297. udelay(10);
  7298. /* Enable seeprom accesses. */
  7299. tw32_f(GRC_LOCAL_CTRL,
  7300. tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
  7301. udelay(100);
  7302. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  7303. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  7304. tp->tg3_flags |= TG3_FLAG_NVRAM;
  7305. tg3_nvram_lock(tp);
  7306. tg3_enable_nvram_access(tp);
  7307. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  7308. tg3_get_5752_nvram_info(tp);
  7309. else
  7310. tg3_get_nvram_info(tp);
  7311. tg3_get_nvram_size(tp);
  7312. tg3_disable_nvram_access(tp);
  7313. tg3_nvram_unlock(tp);
  7314. } else {
  7315. tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
  7316. tg3_get_eeprom_size(tp);
  7317. }
  7318. }
  7319. static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
  7320. u32 offset, u32 *val)
  7321. {
  7322. u32 tmp;
  7323. int i;
  7324. if (offset > EEPROM_ADDR_ADDR_MASK ||
  7325. (offset % 4) != 0)
  7326. return -EINVAL;
  7327. tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
  7328. EEPROM_ADDR_DEVID_MASK |
  7329. EEPROM_ADDR_READ);
  7330. tw32(GRC_EEPROM_ADDR,
  7331. tmp |
  7332. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  7333. ((offset << EEPROM_ADDR_ADDR_SHIFT) &
  7334. EEPROM_ADDR_ADDR_MASK) |
  7335. EEPROM_ADDR_READ | EEPROM_ADDR_START);
  7336. for (i = 0; i < 10000; i++) {
  7337. tmp = tr32(GRC_EEPROM_ADDR);
  7338. if (tmp & EEPROM_ADDR_COMPLETE)
  7339. break;
  7340. udelay(100);
  7341. }
  7342. if (!(tmp & EEPROM_ADDR_COMPLETE))
  7343. return -EBUSY;
  7344. *val = tr32(GRC_EEPROM_DATA);
  7345. return 0;
  7346. }
  7347. #define NVRAM_CMD_TIMEOUT 10000
  7348. static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
  7349. {
  7350. int i;
  7351. tw32(NVRAM_CMD, nvram_cmd);
  7352. for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
  7353. udelay(10);
  7354. if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
  7355. udelay(10);
  7356. break;
  7357. }
  7358. }
  7359. if (i == NVRAM_CMD_TIMEOUT) {
  7360. return -EBUSY;
  7361. }
  7362. return 0;
  7363. }
  7364. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
  7365. {
  7366. int ret;
  7367. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7368. printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n");
  7369. return -EINVAL;
  7370. }
  7371. if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  7372. return tg3_nvram_read_using_eeprom(tp, offset, val);
  7373. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  7374. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  7375. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  7376. offset = ((offset / tp->nvram_pagesize) <<
  7377. ATMEL_AT45DB0X1B_PAGE_POS) +
  7378. (offset % tp->nvram_pagesize);
  7379. }
  7380. if (offset > NVRAM_ADDR_MSK)
  7381. return -EINVAL;
  7382. tg3_nvram_lock(tp);
  7383. tg3_enable_nvram_access(tp);
  7384. tw32(NVRAM_ADDR, offset);
  7385. ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
  7386. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
  7387. if (ret == 0)
  7388. *val = swab32(tr32(NVRAM_RDDATA));
  7389. tg3_disable_nvram_access(tp);
  7390. tg3_nvram_unlock(tp);
  7391. return ret;
  7392. }
  7393. static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
  7394. u32 offset, u32 len, u8 *buf)
  7395. {
  7396. int i, j, rc = 0;
  7397. u32 val;
  7398. for (i = 0; i < len; i += 4) {
  7399. u32 addr, data;
  7400. addr = offset + i;
  7401. memcpy(&data, buf + i, 4);
  7402. tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
  7403. val = tr32(GRC_EEPROM_ADDR);
  7404. tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
  7405. val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
  7406. EEPROM_ADDR_READ);
  7407. tw32(GRC_EEPROM_ADDR, val |
  7408. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  7409. (addr & EEPROM_ADDR_ADDR_MASK) |
  7410. EEPROM_ADDR_START |
  7411. EEPROM_ADDR_WRITE);
  7412. for (j = 0; j < 10000; j++) {
  7413. val = tr32(GRC_EEPROM_ADDR);
  7414. if (val & EEPROM_ADDR_COMPLETE)
  7415. break;
  7416. udelay(100);
  7417. }
  7418. if (!(val & EEPROM_ADDR_COMPLETE)) {
  7419. rc = -EBUSY;
  7420. break;
  7421. }
  7422. }
  7423. return rc;
  7424. }
  7425. /* offset and length are dword aligned */
  7426. static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
  7427. u8 *buf)
  7428. {
  7429. int ret = 0;
  7430. u32 pagesize = tp->nvram_pagesize;
  7431. u32 pagemask = pagesize - 1;
  7432. u32 nvram_cmd;
  7433. u8 *tmp;
  7434. tmp = kmalloc(pagesize, GFP_KERNEL);
  7435. if (tmp == NULL)
  7436. return -ENOMEM;
  7437. while (len) {
  7438. int j;
  7439. u32 phy_addr, page_off, size;
  7440. phy_addr = offset & ~pagemask;
  7441. for (j = 0; j < pagesize; j += 4) {
  7442. if ((ret = tg3_nvram_read(tp, phy_addr + j,
  7443. (u32 *) (tmp + j))))
  7444. break;
  7445. }
  7446. if (ret)
  7447. break;
  7448. page_off = offset & pagemask;
  7449. size = pagesize;
  7450. if (len < size)
  7451. size = len;
  7452. len -= size;
  7453. memcpy(tmp + page_off, buf, size);
  7454. offset = offset + (pagesize - page_off);
  7455. /* Nvram lock released by tg3_nvram_read() above,
  7456. * so need to get it again.
  7457. */
  7458. tg3_nvram_lock(tp);
  7459. tg3_enable_nvram_access(tp);
  7460. /*
  7461. * Before we can erase the flash page, we need
  7462. * to issue a special "write enable" command.
  7463. */
  7464. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7465. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7466. break;
  7467. /* Erase the target page */
  7468. tw32(NVRAM_ADDR, phy_addr);
  7469. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
  7470. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
  7471. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7472. break;
  7473. /* Issue another write enable to start the write. */
  7474. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7475. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  7476. break;
  7477. for (j = 0; j < pagesize; j += 4) {
  7478. u32 data;
  7479. data = *((u32 *) (tmp + j));
  7480. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  7481. tw32(NVRAM_ADDR, phy_addr + j);
  7482. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
  7483. NVRAM_CMD_WR;
  7484. if (j == 0)
  7485. nvram_cmd |= NVRAM_CMD_FIRST;
  7486. else if (j == (pagesize - 4))
  7487. nvram_cmd |= NVRAM_CMD_LAST;
  7488. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  7489. break;
  7490. }
  7491. if (ret)
  7492. break;
  7493. }
  7494. nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  7495. tg3_nvram_exec_cmd(tp, nvram_cmd);
  7496. kfree(tmp);
  7497. return ret;
  7498. }
  7499. /* offset and length are dword aligned */
  7500. static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
  7501. u8 *buf)
  7502. {
  7503. int i, ret = 0;
  7504. for (i = 0; i < len; i += 4, offset += 4) {
  7505. u32 data, page_off, phy_addr, nvram_cmd;
  7506. memcpy(&data, buf + i, 4);
  7507. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  7508. page_off = offset % tp->nvram_pagesize;
  7509. if ((tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  7510. (tp->nvram_jedecnum == JEDEC_ATMEL)) {
  7511. phy_addr = ((offset / tp->nvram_pagesize) <<
  7512. ATMEL_AT45DB0X1B_PAGE_POS) + page_off;
  7513. }
  7514. else {
  7515. phy_addr = offset;
  7516. }
  7517. tw32(NVRAM_ADDR, phy_addr);
  7518. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
  7519. if ((page_off == 0) || (i == 0))
  7520. nvram_cmd |= NVRAM_CMD_FIRST;
  7521. else if (page_off == (tp->nvram_pagesize - 4))
  7522. nvram_cmd |= NVRAM_CMD_LAST;
  7523. if (i == (len - 4))
  7524. nvram_cmd |= NVRAM_CMD_LAST;
  7525. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
  7526. (tp->nvram_jedecnum == JEDEC_ST) &&
  7527. (nvram_cmd & NVRAM_CMD_FIRST)) {
  7528. if ((ret = tg3_nvram_exec_cmd(tp,
  7529. NVRAM_CMD_WREN | NVRAM_CMD_GO |
  7530. NVRAM_CMD_DONE)))
  7531. break;
  7532. }
  7533. if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  7534. /* We always do complete word writes to eeprom. */
  7535. nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
  7536. }
  7537. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  7538. break;
  7539. }
  7540. return ret;
  7541. }
  7542. /* offset and length are dword aligned */
  7543. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
  7544. {
  7545. int ret;
  7546. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7547. printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n");
  7548. return -EINVAL;
  7549. }
  7550. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  7551. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
  7552. ~GRC_LCLCTRL_GPIO_OUTPUT1);
  7553. udelay(40);
  7554. }
  7555. if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
  7556. ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
  7557. }
  7558. else {
  7559. u32 grc_mode;
  7560. tg3_nvram_lock(tp);
  7561. tg3_enable_nvram_access(tp);
  7562. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  7563. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
  7564. tw32(NVRAM_WRITE1, 0x406);
  7565. grc_mode = tr32(GRC_MODE);
  7566. tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
  7567. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
  7568. !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  7569. ret = tg3_nvram_write_block_buffered(tp, offset, len,
  7570. buf);
  7571. }
  7572. else {
  7573. ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
  7574. buf);
  7575. }
  7576. grc_mode = tr32(GRC_MODE);
  7577. tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
  7578. tg3_disable_nvram_access(tp);
  7579. tg3_nvram_unlock(tp);
  7580. }
  7581. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  7582. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  7583. udelay(40);
  7584. }
  7585. return ret;
  7586. }
  7587. struct subsys_tbl_ent {
  7588. u16 subsys_vendor, subsys_devid;
  7589. u32 phy_id;
  7590. };
  7591. static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
  7592. /* Broadcom boards. */
  7593. { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
  7594. { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
  7595. { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
  7596. { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
  7597. { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
  7598. { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
  7599. { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
  7600. { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
  7601. { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
  7602. { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
  7603. { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
  7604. /* 3com boards. */
  7605. { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
  7606. { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
  7607. { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
  7608. { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
  7609. { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
  7610. /* DELL boards. */
  7611. { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
  7612. { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
  7613. { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
  7614. { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
  7615. /* Compaq boards. */
  7616. { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
  7617. { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
  7618. { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
  7619. { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
  7620. { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
  7621. /* IBM boards. */
  7622. { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
  7623. };
  7624. static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
  7625. {
  7626. int i;
  7627. for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
  7628. if ((subsys_id_to_phy_id[i].subsys_vendor ==
  7629. tp->pdev->subsystem_vendor) &&
  7630. (subsys_id_to_phy_id[i].subsys_devid ==
  7631. tp->pdev->subsystem_device))
  7632. return &subsys_id_to_phy_id[i];
  7633. }
  7634. return NULL;
  7635. }
  7636. /* Since this function may be called in D3-hot power state during
  7637. * tg3_init_one(), only config cycles are allowed.
  7638. */
  7639. static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
  7640. {
  7641. u32 val;
  7642. /* Make sure register accesses (indirect or otherwise)
  7643. * will function correctly.
  7644. */
  7645. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  7646. tp->misc_host_ctrl);
  7647. tp->phy_id = PHY_ID_INVALID;
  7648. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7649. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  7650. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  7651. u32 nic_cfg, led_cfg;
  7652. u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
  7653. int eeprom_phy_serdes = 0;
  7654. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  7655. tp->nic_sram_data_cfg = nic_cfg;
  7656. tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
  7657. ver >>= NIC_SRAM_DATA_VER_SHIFT;
  7658. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  7659. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  7660. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
  7661. (ver > 0) && (ver < 0x100))
  7662. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
  7663. if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
  7664. NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
  7665. eeprom_phy_serdes = 1;
  7666. tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
  7667. if (nic_phy_id != 0) {
  7668. u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
  7669. u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
  7670. eeprom_phy_id = (id1 >> 16) << 10;
  7671. eeprom_phy_id |= (id2 & 0xfc00) << 16;
  7672. eeprom_phy_id |= (id2 & 0x03ff) << 0;
  7673. } else
  7674. eeprom_phy_id = 0;
  7675. tp->phy_id = eeprom_phy_id;
  7676. if (eeprom_phy_serdes) {
  7677. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  7678. tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
  7679. else
  7680. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7681. }
  7682. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7683. led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
  7684. SHASTA_EXT_LED_MODE_MASK);
  7685. else
  7686. led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
  7687. switch (led_cfg) {
  7688. default:
  7689. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
  7690. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7691. break;
  7692. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
  7693. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  7694. break;
  7695. case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
  7696. tp->led_ctrl = LED_CTRL_MODE_MAC;
  7697. /* Default to PHY_1_MODE if 0 (MAC_MODE) is
  7698. * read on some older 5700/5701 bootcode.
  7699. */
  7700. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  7701. ASIC_REV_5700 ||
  7702. GET_ASIC_REV(tp->pci_chip_rev_id) ==
  7703. ASIC_REV_5701)
  7704. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  7705. break;
  7706. case SHASTA_EXT_LED_SHARED:
  7707. tp->led_ctrl = LED_CTRL_MODE_SHARED;
  7708. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
  7709. tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
  7710. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  7711. LED_CTRL_MODE_PHY_2);
  7712. break;
  7713. case SHASTA_EXT_LED_MAC:
  7714. tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
  7715. break;
  7716. case SHASTA_EXT_LED_COMBO:
  7717. tp->led_ctrl = LED_CTRL_MODE_COMBO;
  7718. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
  7719. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  7720. LED_CTRL_MODE_PHY_2);
  7721. break;
  7722. };
  7723. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  7724. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
  7725. tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
  7726. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  7727. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  7728. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  7729. (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
  7730. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  7731. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  7732. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  7733. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7734. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  7735. }
  7736. if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
  7737. tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
  7738. if (cfg2 & (1 << 17))
  7739. tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
  7740. /* serdes signal pre-emphasis in register 0x590 set by */
  7741. /* bootcode if bit 18 is set */
  7742. if (cfg2 & (1 << 18))
  7743. tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
  7744. }
  7745. }
  7746. static int __devinit tg3_phy_probe(struct tg3 *tp)
  7747. {
  7748. u32 hw_phy_id_1, hw_phy_id_2;
  7749. u32 hw_phy_id, hw_phy_id_masked;
  7750. int err;
  7751. /* Reading the PHY ID register can conflict with ASF
  7752. * firwmare access to the PHY hardware.
  7753. */
  7754. err = 0;
  7755. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  7756. hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
  7757. } else {
  7758. /* Now read the physical PHY_ID from the chip and verify
  7759. * that it is sane. If it doesn't look good, we fall back
  7760. * to either the hard-coded table based PHY_ID and failing
  7761. * that the value found in the eeprom area.
  7762. */
  7763. err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
  7764. err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
  7765. hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
  7766. hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
  7767. hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
  7768. hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
  7769. }
  7770. if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
  7771. tp->phy_id = hw_phy_id;
  7772. if (hw_phy_id_masked == PHY_ID_BCM8002)
  7773. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7774. else
  7775. tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
  7776. } else {
  7777. if (tp->phy_id != PHY_ID_INVALID) {
  7778. /* Do nothing, phy ID already set up in
  7779. * tg3_get_eeprom_hw_cfg().
  7780. */
  7781. } else {
  7782. struct subsys_tbl_ent *p;
  7783. /* No eeprom signature? Try the hardcoded
  7784. * subsys device table.
  7785. */
  7786. p = lookup_by_subsys(tp);
  7787. if (!p)
  7788. return -ENODEV;
  7789. tp->phy_id = p->phy_id;
  7790. if (!tp->phy_id ||
  7791. tp->phy_id == PHY_ID_BCM8002)
  7792. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  7793. }
  7794. }
  7795. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
  7796. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  7797. u32 bmsr, adv_reg, tg3_ctrl;
  7798. tg3_readphy(tp, MII_BMSR, &bmsr);
  7799. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  7800. (bmsr & BMSR_LSTATUS))
  7801. goto skip_phy_reset;
  7802. err = tg3_phy_reset(tp);
  7803. if (err)
  7804. return err;
  7805. adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  7806. ADVERTISE_100HALF | ADVERTISE_100FULL |
  7807. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  7808. tg3_ctrl = 0;
  7809. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  7810. tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
  7811. MII_TG3_CTRL_ADV_1000_FULL);
  7812. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  7813. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  7814. tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
  7815. MII_TG3_CTRL_ENABLE_AS_MASTER);
  7816. }
  7817. if (!tg3_copper_is_advertising_all(tp)) {
  7818. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  7819. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7820. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  7821. tg3_writephy(tp, MII_BMCR,
  7822. BMCR_ANENABLE | BMCR_ANRESTART);
  7823. }
  7824. tg3_phy_set_wirespeed(tp);
  7825. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  7826. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7827. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  7828. }
  7829. skip_phy_reset:
  7830. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  7831. err = tg3_init_5401phy_dsp(tp);
  7832. if (err)
  7833. return err;
  7834. }
  7835. if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
  7836. err = tg3_init_5401phy_dsp(tp);
  7837. }
  7838. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  7839. tp->link_config.advertising =
  7840. (ADVERTISED_1000baseT_Half |
  7841. ADVERTISED_1000baseT_Full |
  7842. ADVERTISED_Autoneg |
  7843. ADVERTISED_FIBRE);
  7844. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  7845. tp->link_config.advertising &=
  7846. ~(ADVERTISED_1000baseT_Half |
  7847. ADVERTISED_1000baseT_Full);
  7848. return err;
  7849. }
  7850. static void __devinit tg3_read_partno(struct tg3 *tp)
  7851. {
  7852. unsigned char vpd_data[256];
  7853. int i;
  7854. if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
  7855. /* Sun decided not to put the necessary bits in the
  7856. * NVRAM of their onboard tg3 parts :(
  7857. */
  7858. strcpy(tp->board_part_number, "Sun 570X");
  7859. return;
  7860. }
  7861. for (i = 0; i < 256; i += 4) {
  7862. u32 tmp;
  7863. if (tg3_nvram_read(tp, 0x100 + i, &tmp))
  7864. goto out_not_found;
  7865. vpd_data[i + 0] = ((tmp >> 0) & 0xff);
  7866. vpd_data[i + 1] = ((tmp >> 8) & 0xff);
  7867. vpd_data[i + 2] = ((tmp >> 16) & 0xff);
  7868. vpd_data[i + 3] = ((tmp >> 24) & 0xff);
  7869. }
  7870. /* Now parse and find the part number. */
  7871. for (i = 0; i < 256; ) {
  7872. unsigned char val = vpd_data[i];
  7873. int block_end;
  7874. if (val == 0x82 || val == 0x91) {
  7875. i = (i + 3 +
  7876. (vpd_data[i + 1] +
  7877. (vpd_data[i + 2] << 8)));
  7878. continue;
  7879. }
  7880. if (val != 0x90)
  7881. goto out_not_found;
  7882. block_end = (i + 3 +
  7883. (vpd_data[i + 1] +
  7884. (vpd_data[i + 2] << 8)));
  7885. i += 3;
  7886. while (i < block_end) {
  7887. if (vpd_data[i + 0] == 'P' &&
  7888. vpd_data[i + 1] == 'N') {
  7889. int partno_len = vpd_data[i + 2];
  7890. if (partno_len > 24)
  7891. goto out_not_found;
  7892. memcpy(tp->board_part_number,
  7893. &vpd_data[i + 3],
  7894. partno_len);
  7895. /* Success. */
  7896. return;
  7897. }
  7898. }
  7899. /* Part number not found. */
  7900. goto out_not_found;
  7901. }
  7902. out_not_found:
  7903. strcpy(tp->board_part_number, "none");
  7904. }
  7905. #ifdef CONFIG_SPARC64
  7906. static int __devinit tg3_is_sun_570X(struct tg3 *tp)
  7907. {
  7908. struct pci_dev *pdev = tp->pdev;
  7909. struct pcidev_cookie *pcp = pdev->sysdata;
  7910. if (pcp != NULL) {
  7911. int node = pcp->prom_node;
  7912. u32 venid;
  7913. int err;
  7914. err = prom_getproperty(node, "subsystem-vendor-id",
  7915. (char *) &venid, sizeof(venid));
  7916. if (err == 0 || err == -1)
  7917. return 0;
  7918. if (venid == PCI_VENDOR_ID_SUN)
  7919. return 1;
  7920. }
  7921. return 0;
  7922. }
  7923. #endif
  7924. static int __devinit tg3_get_invariants(struct tg3 *tp)
  7925. {
  7926. static struct pci_device_id write_reorder_chipsets[] = {
  7927. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  7928. PCI_DEVICE_ID_AMD_FE_GATE_700C) },
  7929. { PCI_DEVICE(PCI_VENDOR_ID_VIA,
  7930. PCI_DEVICE_ID_VIA_8385_0) },
  7931. { },
  7932. };
  7933. u32 misc_ctrl_reg;
  7934. u32 cacheline_sz_reg;
  7935. u32 pci_state_reg, grc_misc_cfg;
  7936. u32 val;
  7937. u16 pci_cmd;
  7938. int err;
  7939. #ifdef CONFIG_SPARC64
  7940. if (tg3_is_sun_570X(tp))
  7941. tp->tg3_flags2 |= TG3_FLG2_SUN_570X;
  7942. #endif
  7943. /* Force memory write invalidate off. If we leave it on,
  7944. * then on 5700_BX chips we have to enable a workaround.
  7945. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
  7946. * to match the cacheline size. The Broadcom driver have this
  7947. * workaround but turns MWI off all the times so never uses
  7948. * it. This seems to suggest that the workaround is insufficient.
  7949. */
  7950. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  7951. pci_cmd &= ~PCI_COMMAND_INVALIDATE;
  7952. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  7953. /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
  7954. * has the register indirect write enable bit set before
  7955. * we try to access any of the MMIO registers. It is also
  7956. * critical that the PCI-X hw workaround situation is decided
  7957. * before that as well.
  7958. */
  7959. pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  7960. &misc_ctrl_reg);
  7961. tp->pci_chip_rev_id = (misc_ctrl_reg >>
  7962. MISC_HOST_CTRL_CHIPREV_SHIFT);
  7963. /* Wrong chip ID in 5752 A0. This code can be removed later
  7964. * as A0 is not in production.
  7965. */
  7966. if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
  7967. tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
  7968. /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
  7969. * we need to disable memory and use config. cycles
  7970. * only to access all registers. The 5702/03 chips
  7971. * can mistakenly decode the special cycles from the
  7972. * ICH chipsets as memory write cycles, causing corruption
  7973. * of register and memory space. Only certain ICH bridges
  7974. * will drive special cycles with non-zero data during the
  7975. * address phase which can fall within the 5703's address
  7976. * range. This is not an ICH bug as the PCI spec allows
  7977. * non-zero address during special cycles. However, only
  7978. * these ICH bridges are known to drive non-zero addresses
  7979. * during special cycles.
  7980. *
  7981. * Since special cycles do not cross PCI bridges, we only
  7982. * enable this workaround if the 5703 is on the secondary
  7983. * bus of these ICH bridges.
  7984. */
  7985. if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
  7986. (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
  7987. static struct tg3_dev_id {
  7988. u32 vendor;
  7989. u32 device;
  7990. u32 rev;
  7991. } ich_chipsets[] = {
  7992. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
  7993. PCI_ANY_ID },
  7994. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
  7995. PCI_ANY_ID },
  7996. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
  7997. 0xa },
  7998. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
  7999. PCI_ANY_ID },
  8000. { },
  8001. };
  8002. struct tg3_dev_id *pci_id = &ich_chipsets[0];
  8003. struct pci_dev *bridge = NULL;
  8004. while (pci_id->vendor != 0) {
  8005. bridge = pci_get_device(pci_id->vendor, pci_id->device,
  8006. bridge);
  8007. if (!bridge) {
  8008. pci_id++;
  8009. continue;
  8010. }
  8011. if (pci_id->rev != PCI_ANY_ID) {
  8012. u8 rev;
  8013. pci_read_config_byte(bridge, PCI_REVISION_ID,
  8014. &rev);
  8015. if (rev > pci_id->rev)
  8016. continue;
  8017. }
  8018. if (bridge->subordinate &&
  8019. (bridge->subordinate->number ==
  8020. tp->pdev->bus->number)) {
  8021. tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
  8022. pci_dev_put(bridge);
  8023. break;
  8024. }
  8025. }
  8026. }
  8027. /* Find msi capability. */
  8028. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
  8029. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  8030. tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
  8031. tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
  8032. }
  8033. /* Initialize misc host control in PCI block. */
  8034. tp->misc_host_ctrl |= (misc_ctrl_reg &
  8035. MISC_HOST_CTRL_CHIPREV);
  8036. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8037. tp->misc_host_ctrl);
  8038. pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  8039. &cacheline_sz_reg);
  8040. tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
  8041. tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
  8042. tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
  8043. tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
  8044. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  8045. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  8046. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  8047. tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
  8048. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
  8049. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  8050. tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
  8051. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  8052. tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
  8053. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
  8054. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
  8055. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
  8056. tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
  8057. if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
  8058. tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
  8059. /* If we have an AMD 762 or VIA K8T800 chipset, write
  8060. * reordering to the mailbox registers done by the host
  8061. * controller can cause major troubles. We read back from
  8062. * every mailbox register write to force the writes to be
  8063. * posted to the chip in order.
  8064. */
  8065. if (pci_dev_present(write_reorder_chipsets) &&
  8066. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  8067. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  8068. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  8069. tp->pci_lat_timer < 64) {
  8070. tp->pci_lat_timer = 64;
  8071. cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
  8072. cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
  8073. cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
  8074. cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
  8075. pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  8076. cacheline_sz_reg);
  8077. }
  8078. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  8079. &pci_state_reg);
  8080. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
  8081. tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
  8082. /* If this is a 5700 BX chipset, and we are in PCI-X
  8083. * mode, enable register write workaround.
  8084. *
  8085. * The workaround is to use indirect register accesses
  8086. * for all chip writes not to mailbox registers.
  8087. */
  8088. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
  8089. u32 pm_reg;
  8090. u16 pci_cmd;
  8091. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  8092. /* The chip can have it's power management PCI config
  8093. * space registers clobbered due to this bug.
  8094. * So explicitly force the chip into D0 here.
  8095. */
  8096. pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  8097. &pm_reg);
  8098. pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
  8099. pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
  8100. pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  8101. pm_reg);
  8102. /* Also, force SERR#/PERR# in PCI command. */
  8103. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  8104. pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
  8105. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  8106. }
  8107. }
  8108. /* 5700 BX chips need to have their TX producer index mailboxes
  8109. * written twice to workaround a bug.
  8110. */
  8111. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
  8112. tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
  8113. /* Back to back register writes can cause problems on this chip,
  8114. * the workaround is to read back all reg writes except those to
  8115. * mailbox regs. See tg3_write_indirect_reg32().
  8116. *
  8117. * PCI Express 5750_A0 rev chips need this workaround too.
  8118. */
  8119. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  8120. ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  8121. tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
  8122. tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
  8123. if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
  8124. tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
  8125. if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
  8126. tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
  8127. /* Chip-specific fixup from Broadcom driver */
  8128. if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
  8129. (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
  8130. pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
  8131. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
  8132. }
  8133. /* Default fast path register access methods */
  8134. tp->read32 = tg3_read32;
  8135. tp->write32 = tg3_write32;
  8136. tp->read32_mbox = tg3_read32;
  8137. tp->write32_mbox = tg3_write32;
  8138. tp->write32_tx_mbox = tg3_write32;
  8139. tp->write32_rx_mbox = tg3_write32;
  8140. /* Various workaround register access methods */
  8141. if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
  8142. tp->write32 = tg3_write_indirect_reg32;
  8143. else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
  8144. tp->write32 = tg3_write_flush_reg32;
  8145. if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
  8146. (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
  8147. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  8148. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  8149. tp->write32_rx_mbox = tg3_write_flush_reg32;
  8150. }
  8151. if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
  8152. tp->read32 = tg3_read_indirect_reg32;
  8153. tp->write32 = tg3_write_indirect_reg32;
  8154. tp->read32_mbox = tg3_read_indirect_mbox;
  8155. tp->write32_mbox = tg3_write_indirect_mbox;
  8156. tp->write32_tx_mbox = tg3_write_indirect_mbox;
  8157. tp->write32_rx_mbox = tg3_write_indirect_mbox;
  8158. iounmap(tp->regs);
  8159. tp->regs = NULL;
  8160. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  8161. pci_cmd &= ~PCI_COMMAND_MEMORY;
  8162. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  8163. }
  8164. /* Get eeprom hw config before calling tg3_set_power_state().
  8165. * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
  8166. * determined before calling tg3_set_power_state() so that
  8167. * we know whether or not to switch out of Vaux power.
  8168. * When the flag is set, it means that GPIO1 is used for eeprom
  8169. * write protect and also implies that it is a LOM where GPIOs
  8170. * are not used to switch power.
  8171. */
  8172. tg3_get_eeprom_hw_cfg(tp);
  8173. /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
  8174. * GPIO1 driven high will bring 5700's external PHY out of reset.
  8175. * It is also used as eeprom write protect on LOMs.
  8176. */
  8177. tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
  8178. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  8179. (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  8180. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  8181. GRC_LCLCTRL_GPIO_OUTPUT1);
  8182. /* Unused GPIO3 must be driven as output on 5752 because there
  8183. * are no pull-up resistors on unused GPIO pins.
  8184. */
  8185. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  8186. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  8187. /* Force the chip into D0. */
  8188. err = tg3_set_power_state(tp, 0);
  8189. if (err) {
  8190. printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
  8191. pci_name(tp->pdev));
  8192. return err;
  8193. }
  8194. /* 5700 B0 chips do not support checksumming correctly due
  8195. * to hardware bugs.
  8196. */
  8197. if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
  8198. tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
  8199. /* Pseudo-header checksum is done by hardware logic and not
  8200. * the offload processers, so make the chip do the pseudo-
  8201. * header checksums on receive. For transmit it is more
  8202. * convenient to do the pseudo-header checksum in software
  8203. * as Linux does that on transmit for us in all cases.
  8204. */
  8205. tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
  8206. tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
  8207. /* Derive initial jumbo mode from MTU assigned in
  8208. * ether_setup() via the alloc_etherdev() call
  8209. */
  8210. if (tp->dev->mtu > ETH_DATA_LEN &&
  8211. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  8212. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  8213. /* Determine WakeOnLan speed to use. */
  8214. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8215. tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  8216. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
  8217. tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
  8218. tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
  8219. } else {
  8220. tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
  8221. }
  8222. /* A few boards don't want Ethernet@WireSpeed phy feature */
  8223. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  8224. ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  8225. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
  8226. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
  8227. (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  8228. tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
  8229. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
  8230. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
  8231. tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
  8232. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
  8233. tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
  8234. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  8235. tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
  8236. tp->coalesce_mode = 0;
  8237. if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
  8238. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
  8239. tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
  8240. /* Initialize MAC MI mode, polling disabled. */
  8241. tw32_f(MAC_MI_MODE, tp->mi_mode);
  8242. udelay(80);
  8243. /* Initialize data/descriptor byte/word swapping. */
  8244. val = tr32(GRC_MODE);
  8245. val &= GRC_MODE_HOST_STACKUP;
  8246. tw32(GRC_MODE, val | tp->grc_mode);
  8247. tg3_switch_clocks(tp);
  8248. /* Clear this out for sanity. */
  8249. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  8250. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  8251. &pci_state_reg);
  8252. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
  8253. (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
  8254. u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
  8255. if (chiprevid == CHIPREV_ID_5701_A0 ||
  8256. chiprevid == CHIPREV_ID_5701_B0 ||
  8257. chiprevid == CHIPREV_ID_5701_B2 ||
  8258. chiprevid == CHIPREV_ID_5701_B5) {
  8259. void __iomem *sram_base;
  8260. /* Write some dummy words into the SRAM status block
  8261. * area, see if it reads back correctly. If the return
  8262. * value is bad, force enable the PCIX workaround.
  8263. */
  8264. sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
  8265. writel(0x00000000, sram_base);
  8266. writel(0x00000000, sram_base + 4);
  8267. writel(0xffffffff, sram_base + 4);
  8268. if (readl(sram_base) != 0x00000000)
  8269. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  8270. }
  8271. }
  8272. udelay(50);
  8273. tg3_nvram_init(tp);
  8274. grc_misc_cfg = tr32(GRC_MISC_CFG);
  8275. grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
  8276. /* Broadcom's driver says that CIOBE multisplit has a bug */
  8277. #if 0
  8278. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  8279. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
  8280. tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
  8281. tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
  8282. }
  8283. #endif
  8284. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  8285. (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
  8286. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
  8287. tp->tg3_flags2 |= TG3_FLG2_IS_5788;
  8288. if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  8289. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
  8290. tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
  8291. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  8292. tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
  8293. HOSTCC_MODE_CLRTICK_TXBD);
  8294. tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
  8295. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8296. tp->misc_host_ctrl);
  8297. }
  8298. /* these are limited to 10/100 only */
  8299. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  8300. (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
  8301. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  8302. tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  8303. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
  8304. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
  8305. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
  8306. (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  8307. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
  8308. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)))
  8309. tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
  8310. err = tg3_phy_probe(tp);
  8311. if (err) {
  8312. printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
  8313. pci_name(tp->pdev), err);
  8314. /* ... but do not return immediately ... */
  8315. }
  8316. tg3_read_partno(tp);
  8317. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  8318. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  8319. } else {
  8320. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  8321. tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
  8322. else
  8323. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  8324. }
  8325. /* 5700 {AX,BX} chips have a broken status block link
  8326. * change bit implementation, so we must use the
  8327. * status register in those cases.
  8328. */
  8329. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  8330. tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
  8331. else
  8332. tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
  8333. /* The led_ctrl is set during tg3_phy_probe, here we might
  8334. * have to force the link status polling mechanism based
  8335. * upon subsystem IDs.
  8336. */
  8337. if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
  8338. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  8339. tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
  8340. TG3_FLAG_USE_LINKCHG_REG);
  8341. }
  8342. /* For all SERDES we poll the MAC status register. */
  8343. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  8344. tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
  8345. else
  8346. tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
  8347. /* It seems all chips can get confused if TX buffers
  8348. * straddle the 4GB address boundary in some cases.
  8349. */
  8350. tp->dev->hard_start_xmit = tg3_start_xmit;
  8351. tp->rx_offset = 2;
  8352. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  8353. (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
  8354. tp->rx_offset = 0;
  8355. /* By default, disable wake-on-lan. User can change this
  8356. * using ETHTOOL_SWOL.
  8357. */
  8358. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  8359. return err;
  8360. }
  8361. #ifdef CONFIG_SPARC64
  8362. static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
  8363. {
  8364. struct net_device *dev = tp->dev;
  8365. struct pci_dev *pdev = tp->pdev;
  8366. struct pcidev_cookie *pcp = pdev->sysdata;
  8367. if (pcp != NULL) {
  8368. int node = pcp->prom_node;
  8369. if (prom_getproplen(node, "local-mac-address") == 6) {
  8370. prom_getproperty(node, "local-mac-address",
  8371. dev->dev_addr, 6);
  8372. memcpy(dev->perm_addr, dev->dev_addr, 6);
  8373. return 0;
  8374. }
  8375. }
  8376. return -ENODEV;
  8377. }
  8378. static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
  8379. {
  8380. struct net_device *dev = tp->dev;
  8381. memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
  8382. memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
  8383. return 0;
  8384. }
  8385. #endif
  8386. static int __devinit tg3_get_device_address(struct tg3 *tp)
  8387. {
  8388. struct net_device *dev = tp->dev;
  8389. u32 hi, lo, mac_offset;
  8390. #ifdef CONFIG_SPARC64
  8391. if (!tg3_get_macaddr_sparc(tp))
  8392. return 0;
  8393. #endif
  8394. mac_offset = 0x7c;
  8395. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  8396. !(tp->tg3_flags & TG3_FLG2_SUN_570X)) ||
  8397. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  8398. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  8399. mac_offset = 0xcc;
  8400. if (tg3_nvram_lock(tp))
  8401. tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
  8402. else
  8403. tg3_nvram_unlock(tp);
  8404. }
  8405. /* First try to get it from MAC address mailbox. */
  8406. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
  8407. if ((hi >> 16) == 0x484b) {
  8408. dev->dev_addr[0] = (hi >> 8) & 0xff;
  8409. dev->dev_addr[1] = (hi >> 0) & 0xff;
  8410. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
  8411. dev->dev_addr[2] = (lo >> 24) & 0xff;
  8412. dev->dev_addr[3] = (lo >> 16) & 0xff;
  8413. dev->dev_addr[4] = (lo >> 8) & 0xff;
  8414. dev->dev_addr[5] = (lo >> 0) & 0xff;
  8415. }
  8416. /* Next, try NVRAM. */
  8417. else if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) &&
  8418. !tg3_nvram_read(tp, mac_offset + 0, &hi) &&
  8419. !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
  8420. dev->dev_addr[0] = ((hi >> 16) & 0xff);
  8421. dev->dev_addr[1] = ((hi >> 24) & 0xff);
  8422. dev->dev_addr[2] = ((lo >> 0) & 0xff);
  8423. dev->dev_addr[3] = ((lo >> 8) & 0xff);
  8424. dev->dev_addr[4] = ((lo >> 16) & 0xff);
  8425. dev->dev_addr[5] = ((lo >> 24) & 0xff);
  8426. }
  8427. /* Finally just fetch it out of the MAC control regs. */
  8428. else {
  8429. hi = tr32(MAC_ADDR_0_HIGH);
  8430. lo = tr32(MAC_ADDR_0_LOW);
  8431. dev->dev_addr[5] = lo & 0xff;
  8432. dev->dev_addr[4] = (lo >> 8) & 0xff;
  8433. dev->dev_addr[3] = (lo >> 16) & 0xff;
  8434. dev->dev_addr[2] = (lo >> 24) & 0xff;
  8435. dev->dev_addr[1] = hi & 0xff;
  8436. dev->dev_addr[0] = (hi >> 8) & 0xff;
  8437. }
  8438. if (!is_valid_ether_addr(&dev->dev_addr[0])) {
  8439. #ifdef CONFIG_SPARC64
  8440. if (!tg3_get_default_macaddr_sparc(tp))
  8441. return 0;
  8442. #endif
  8443. return -EINVAL;
  8444. }
  8445. memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
  8446. return 0;
  8447. }
  8448. #define BOUNDARY_SINGLE_CACHELINE 1
  8449. #define BOUNDARY_MULTI_CACHELINE 2
  8450. static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
  8451. {
  8452. int cacheline_size;
  8453. u8 byte;
  8454. int goal;
  8455. pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
  8456. if (byte == 0)
  8457. cacheline_size = 1024;
  8458. else
  8459. cacheline_size = (int) byte * 4;
  8460. /* On 5703 and later chips, the boundary bits have no
  8461. * effect.
  8462. */
  8463. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  8464. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
  8465. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  8466. goto out;
  8467. #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
  8468. goal = BOUNDARY_MULTI_CACHELINE;
  8469. #else
  8470. #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
  8471. goal = BOUNDARY_SINGLE_CACHELINE;
  8472. #else
  8473. goal = 0;
  8474. #endif
  8475. #endif
  8476. if (!goal)
  8477. goto out;
  8478. /* PCI controllers on most RISC systems tend to disconnect
  8479. * when a device tries to burst across a cache-line boundary.
  8480. * Therefore, letting tg3 do so just wastes PCI bandwidth.
  8481. *
  8482. * Unfortunately, for PCI-E there are only limited
  8483. * write-side controls for this, and thus for reads
  8484. * we will still get the disconnects. We'll also waste
  8485. * these PCI cycles for both read and write for chips
  8486. * other than 5700 and 5701 which do not implement the
  8487. * boundary bits.
  8488. */
  8489. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  8490. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  8491. switch (cacheline_size) {
  8492. case 16:
  8493. case 32:
  8494. case 64:
  8495. case 128:
  8496. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8497. val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
  8498. DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
  8499. } else {
  8500. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  8501. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  8502. }
  8503. break;
  8504. case 256:
  8505. val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
  8506. DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
  8507. break;
  8508. default:
  8509. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  8510. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  8511. break;
  8512. };
  8513. } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  8514. switch (cacheline_size) {
  8515. case 16:
  8516. case 32:
  8517. case 64:
  8518. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8519. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  8520. val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
  8521. break;
  8522. }
  8523. /* fallthrough */
  8524. case 128:
  8525. default:
  8526. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  8527. val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
  8528. break;
  8529. };
  8530. } else {
  8531. switch (cacheline_size) {
  8532. case 16:
  8533. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8534. val |= (DMA_RWCTRL_READ_BNDRY_16 |
  8535. DMA_RWCTRL_WRITE_BNDRY_16);
  8536. break;
  8537. }
  8538. /* fallthrough */
  8539. case 32:
  8540. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8541. val |= (DMA_RWCTRL_READ_BNDRY_32 |
  8542. DMA_RWCTRL_WRITE_BNDRY_32);
  8543. break;
  8544. }
  8545. /* fallthrough */
  8546. case 64:
  8547. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8548. val |= (DMA_RWCTRL_READ_BNDRY_64 |
  8549. DMA_RWCTRL_WRITE_BNDRY_64);
  8550. break;
  8551. }
  8552. /* fallthrough */
  8553. case 128:
  8554. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  8555. val |= (DMA_RWCTRL_READ_BNDRY_128 |
  8556. DMA_RWCTRL_WRITE_BNDRY_128);
  8557. break;
  8558. }
  8559. /* fallthrough */
  8560. case 256:
  8561. val |= (DMA_RWCTRL_READ_BNDRY_256 |
  8562. DMA_RWCTRL_WRITE_BNDRY_256);
  8563. break;
  8564. case 512:
  8565. val |= (DMA_RWCTRL_READ_BNDRY_512 |
  8566. DMA_RWCTRL_WRITE_BNDRY_512);
  8567. break;
  8568. case 1024:
  8569. default:
  8570. val |= (DMA_RWCTRL_READ_BNDRY_1024 |
  8571. DMA_RWCTRL_WRITE_BNDRY_1024);
  8572. break;
  8573. };
  8574. }
  8575. out:
  8576. return val;
  8577. }
  8578. static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
  8579. {
  8580. struct tg3_internal_buffer_desc test_desc;
  8581. u32 sram_dma_descs;
  8582. int i, ret;
  8583. sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
  8584. tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
  8585. tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
  8586. tw32(RDMAC_STATUS, 0);
  8587. tw32(WDMAC_STATUS, 0);
  8588. tw32(BUFMGR_MODE, 0);
  8589. tw32(FTQ_RESET, 0);
  8590. test_desc.addr_hi = ((u64) buf_dma) >> 32;
  8591. test_desc.addr_lo = buf_dma & 0xffffffff;
  8592. test_desc.nic_mbuf = 0x00002100;
  8593. test_desc.len = size;
  8594. /*
  8595. * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
  8596. * the *second* time the tg3 driver was getting loaded after an
  8597. * initial scan.
  8598. *
  8599. * Broadcom tells me:
  8600. * ...the DMA engine is connected to the GRC block and a DMA
  8601. * reset may affect the GRC block in some unpredictable way...
  8602. * The behavior of resets to individual blocks has not been tested.
  8603. *
  8604. * Broadcom noted the GRC reset will also reset all sub-components.
  8605. */
  8606. if (to_device) {
  8607. test_desc.cqid_sqid = (13 << 8) | 2;
  8608. tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
  8609. udelay(40);
  8610. } else {
  8611. test_desc.cqid_sqid = (16 << 8) | 7;
  8612. tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
  8613. udelay(40);
  8614. }
  8615. test_desc.flags = 0x00000005;
  8616. for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
  8617. u32 val;
  8618. val = *(((u32 *)&test_desc) + i);
  8619. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
  8620. sram_dma_descs + (i * sizeof(u32)));
  8621. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  8622. }
  8623. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  8624. if (to_device) {
  8625. tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
  8626. } else {
  8627. tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
  8628. }
  8629. ret = -ENODEV;
  8630. for (i = 0; i < 40; i++) {
  8631. u32 val;
  8632. if (to_device)
  8633. val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
  8634. else
  8635. val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
  8636. if ((val & 0xffff) == sram_dma_descs) {
  8637. ret = 0;
  8638. break;
  8639. }
  8640. udelay(100);
  8641. }
  8642. return ret;
  8643. }
  8644. #define TEST_BUFFER_SIZE 0x2000
  8645. static int __devinit tg3_test_dma(struct tg3 *tp)
  8646. {
  8647. dma_addr_t buf_dma;
  8648. u32 *buf, saved_dma_rwctrl;
  8649. int ret;
  8650. buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
  8651. if (!buf) {
  8652. ret = -ENOMEM;
  8653. goto out_nofree;
  8654. }
  8655. tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
  8656. (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
  8657. tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
  8658. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  8659. /* DMA read watermark not used on PCIE */
  8660. tp->dma_rwctrl |= 0x00180000;
  8661. } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  8662. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
  8663. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
  8664. tp->dma_rwctrl |= 0x003f0000;
  8665. else
  8666. tp->dma_rwctrl |= 0x003f000f;
  8667. } else {
  8668. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  8669. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  8670. u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
  8671. if (ccval == 0x6 || ccval == 0x7)
  8672. tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
  8673. /* Set bit 23 to enable PCIX hw bug fix */
  8674. tp->dma_rwctrl |= 0x009f0000;
  8675. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  8676. /* 5780 always in PCIX mode */
  8677. tp->dma_rwctrl |= 0x00144000;
  8678. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  8679. /* 5714 always in PCIX mode */
  8680. tp->dma_rwctrl |= 0x00148000;
  8681. } else {
  8682. tp->dma_rwctrl |= 0x001b000f;
  8683. }
  8684. }
  8685. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  8686. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  8687. tp->dma_rwctrl &= 0xfffffff0;
  8688. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8689. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  8690. /* Remove this if it causes problems for some boards. */
  8691. tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
  8692. /* On 5700/5701 chips, we need to set this bit.
  8693. * Otherwise the chip will issue cacheline transactions
  8694. * to streamable DMA memory with not all the byte
  8695. * enables turned on. This is an error on several
  8696. * RISC PCI controllers, in particular sparc64.
  8697. *
  8698. * On 5703/5704 chips, this bit has been reassigned
  8699. * a different meaning. In particular, it is used
  8700. * on those chips to enable a PCI-X workaround.
  8701. */
  8702. tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
  8703. }
  8704. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8705. #if 0
  8706. /* Unneeded, already done by tg3_get_invariants. */
  8707. tg3_switch_clocks(tp);
  8708. #endif
  8709. ret = 0;
  8710. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  8711. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  8712. goto out;
  8713. /* It is best to perform DMA test with maximum write burst size
  8714. * to expose the 5700/5701 write DMA bug.
  8715. */
  8716. saved_dma_rwctrl = tp->dma_rwctrl;
  8717. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8718. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8719. while (1) {
  8720. u32 *p = buf, i;
  8721. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
  8722. p[i] = i;
  8723. /* Send the buffer to the chip. */
  8724. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
  8725. if (ret) {
  8726. printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
  8727. break;
  8728. }
  8729. #if 0
  8730. /* validate data reached card RAM correctly. */
  8731. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  8732. u32 val;
  8733. tg3_read_mem(tp, 0x2100 + (i*4), &val);
  8734. if (le32_to_cpu(val) != p[i]) {
  8735. printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
  8736. /* ret = -ENODEV here? */
  8737. }
  8738. p[i] = 0;
  8739. }
  8740. #endif
  8741. /* Now read it back. */
  8742. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
  8743. if (ret) {
  8744. printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
  8745. break;
  8746. }
  8747. /* Verify it. */
  8748. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  8749. if (p[i] == i)
  8750. continue;
  8751. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  8752. DMA_RWCTRL_WRITE_BNDRY_16) {
  8753. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8754. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  8755. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8756. break;
  8757. } else {
  8758. printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
  8759. ret = -ENODEV;
  8760. goto out;
  8761. }
  8762. }
  8763. if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
  8764. /* Success. */
  8765. ret = 0;
  8766. break;
  8767. }
  8768. }
  8769. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  8770. DMA_RWCTRL_WRITE_BNDRY_16) {
  8771. static struct pci_device_id dma_wait_state_chipsets[] = {
  8772. { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
  8773. PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
  8774. { },
  8775. };
  8776. /* DMA test passed without adjusting DMA boundary,
  8777. * now look for chipsets that are known to expose the
  8778. * DMA bug without failing the test.
  8779. */
  8780. if (pci_dev_present(dma_wait_state_chipsets)) {
  8781. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  8782. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  8783. }
  8784. else
  8785. /* Safe to use the calculated DMA boundary. */
  8786. tp->dma_rwctrl = saved_dma_rwctrl;
  8787. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  8788. }
  8789. out:
  8790. pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
  8791. out_nofree:
  8792. return ret;
  8793. }
  8794. static void __devinit tg3_init_link_config(struct tg3 *tp)
  8795. {
  8796. tp->link_config.advertising =
  8797. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  8798. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  8799. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  8800. ADVERTISED_Autoneg | ADVERTISED_MII);
  8801. tp->link_config.speed = SPEED_INVALID;
  8802. tp->link_config.duplex = DUPLEX_INVALID;
  8803. tp->link_config.autoneg = AUTONEG_ENABLE;
  8804. netif_carrier_off(tp->dev);
  8805. tp->link_config.active_speed = SPEED_INVALID;
  8806. tp->link_config.active_duplex = DUPLEX_INVALID;
  8807. tp->link_config.phy_is_low_power = 0;
  8808. tp->link_config.orig_speed = SPEED_INVALID;
  8809. tp->link_config.orig_duplex = DUPLEX_INVALID;
  8810. tp->link_config.orig_autoneg = AUTONEG_INVALID;
  8811. }
  8812. static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
  8813. {
  8814. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8815. tp->bufmgr_config.mbuf_read_dma_low_water =
  8816. DEFAULT_MB_RDMA_LOW_WATER_5705;
  8817. tp->bufmgr_config.mbuf_mac_rx_low_water =
  8818. DEFAULT_MB_MACRX_LOW_WATER_5705;
  8819. tp->bufmgr_config.mbuf_high_water =
  8820. DEFAULT_MB_HIGH_WATER_5705;
  8821. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  8822. DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
  8823. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  8824. DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
  8825. tp->bufmgr_config.mbuf_high_water_jumbo =
  8826. DEFAULT_MB_HIGH_WATER_JUMBO_5780;
  8827. } else {
  8828. tp->bufmgr_config.mbuf_read_dma_low_water =
  8829. DEFAULT_MB_RDMA_LOW_WATER;
  8830. tp->bufmgr_config.mbuf_mac_rx_low_water =
  8831. DEFAULT_MB_MACRX_LOW_WATER;
  8832. tp->bufmgr_config.mbuf_high_water =
  8833. DEFAULT_MB_HIGH_WATER;
  8834. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  8835. DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
  8836. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  8837. DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
  8838. tp->bufmgr_config.mbuf_high_water_jumbo =
  8839. DEFAULT_MB_HIGH_WATER_JUMBO;
  8840. }
  8841. tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
  8842. tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
  8843. }
  8844. static char * __devinit tg3_phy_string(struct tg3 *tp)
  8845. {
  8846. switch (tp->phy_id & PHY_ID_MASK) {
  8847. case PHY_ID_BCM5400: return "5400";
  8848. case PHY_ID_BCM5401: return "5401";
  8849. case PHY_ID_BCM5411: return "5411";
  8850. case PHY_ID_BCM5701: return "5701";
  8851. case PHY_ID_BCM5703: return "5703";
  8852. case PHY_ID_BCM5704: return "5704";
  8853. case PHY_ID_BCM5705: return "5705";
  8854. case PHY_ID_BCM5750: return "5750";
  8855. case PHY_ID_BCM5752: return "5752";
  8856. case PHY_ID_BCM5714: return "5714";
  8857. case PHY_ID_BCM5780: return "5780";
  8858. case PHY_ID_BCM8002: return "8002/serdes";
  8859. case 0: return "serdes";
  8860. default: return "unknown";
  8861. };
  8862. }
  8863. static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
  8864. {
  8865. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  8866. strcpy(str, "PCI Express");
  8867. return str;
  8868. } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
  8869. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
  8870. strcpy(str, "PCIX:");
  8871. if ((clock_ctrl == 7) ||
  8872. ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
  8873. GRC_MISC_CFG_BOARD_ID_5704CIOBE))
  8874. strcat(str, "133MHz");
  8875. else if (clock_ctrl == 0)
  8876. strcat(str, "33MHz");
  8877. else if (clock_ctrl == 2)
  8878. strcat(str, "50MHz");
  8879. else if (clock_ctrl == 4)
  8880. strcat(str, "66MHz");
  8881. else if (clock_ctrl == 6)
  8882. strcat(str, "100MHz");
  8883. else if (clock_ctrl == 7)
  8884. strcat(str, "133MHz");
  8885. } else {
  8886. strcpy(str, "PCI:");
  8887. if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
  8888. strcat(str, "66MHz");
  8889. else
  8890. strcat(str, "33MHz");
  8891. }
  8892. if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
  8893. strcat(str, ":32-bit");
  8894. else
  8895. strcat(str, ":64-bit");
  8896. return str;
  8897. }
  8898. static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
  8899. {
  8900. struct pci_dev *peer;
  8901. unsigned int func, devnr = tp->pdev->devfn & ~7;
  8902. for (func = 0; func < 8; func++) {
  8903. peer = pci_get_slot(tp->pdev->bus, devnr | func);
  8904. if (peer && peer != tp->pdev)
  8905. break;
  8906. pci_dev_put(peer);
  8907. }
  8908. /* 5704 can be configured in single-port mode, set peer to
  8909. * tp->pdev in that case.
  8910. */
  8911. if (!peer) {
  8912. peer = tp->pdev;
  8913. return peer;
  8914. }
  8915. /*
  8916. * We don't need to keep the refcount elevated; there's no way
  8917. * to remove one half of this device without removing the other
  8918. */
  8919. pci_dev_put(peer);
  8920. return peer;
  8921. }
  8922. static void __devinit tg3_init_coal(struct tg3 *tp)
  8923. {
  8924. struct ethtool_coalesce *ec = &tp->coal;
  8925. memset(ec, 0, sizeof(*ec));
  8926. ec->cmd = ETHTOOL_GCOALESCE;
  8927. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
  8928. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
  8929. ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
  8930. ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
  8931. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
  8932. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
  8933. ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
  8934. ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
  8935. ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
  8936. if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
  8937. HOSTCC_MODE_CLRTICK_TXBD)) {
  8938. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
  8939. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
  8940. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
  8941. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
  8942. }
  8943. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8944. ec->rx_coalesce_usecs_irq = 0;
  8945. ec->tx_coalesce_usecs_irq = 0;
  8946. ec->stats_block_coalesce_usecs = 0;
  8947. }
  8948. }
  8949. static int __devinit tg3_init_one(struct pci_dev *pdev,
  8950. const struct pci_device_id *ent)
  8951. {
  8952. static int tg3_version_printed = 0;
  8953. unsigned long tg3reg_base, tg3reg_len;
  8954. struct net_device *dev;
  8955. struct tg3 *tp;
  8956. int i, err, pci_using_dac, pm_cap;
  8957. char str[40];
  8958. if (tg3_version_printed++ == 0)
  8959. printk(KERN_INFO "%s", version);
  8960. err = pci_enable_device(pdev);
  8961. if (err) {
  8962. printk(KERN_ERR PFX "Cannot enable PCI device, "
  8963. "aborting.\n");
  8964. return err;
  8965. }
  8966. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  8967. printk(KERN_ERR PFX "Cannot find proper PCI device "
  8968. "base address, aborting.\n");
  8969. err = -ENODEV;
  8970. goto err_out_disable_pdev;
  8971. }
  8972. err = pci_request_regions(pdev, DRV_MODULE_NAME);
  8973. if (err) {
  8974. printk(KERN_ERR PFX "Cannot obtain PCI resources, "
  8975. "aborting.\n");
  8976. goto err_out_disable_pdev;
  8977. }
  8978. pci_set_master(pdev);
  8979. /* Find power-management capability. */
  8980. pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  8981. if (pm_cap == 0) {
  8982. printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
  8983. "aborting.\n");
  8984. err = -EIO;
  8985. goto err_out_free_res;
  8986. }
  8987. /* Configure DMA attributes. */
  8988. err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
  8989. if (!err) {
  8990. pci_using_dac = 1;
  8991. err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
  8992. if (err < 0) {
  8993. printk(KERN_ERR PFX "Unable to obtain 64 bit DMA "
  8994. "for consistent allocations\n");
  8995. goto err_out_free_res;
  8996. }
  8997. } else {
  8998. err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
  8999. if (err) {
  9000. printk(KERN_ERR PFX "No usable DMA configuration, "
  9001. "aborting.\n");
  9002. goto err_out_free_res;
  9003. }
  9004. pci_using_dac = 0;
  9005. }
  9006. tg3reg_base = pci_resource_start(pdev, 0);
  9007. tg3reg_len = pci_resource_len(pdev, 0);
  9008. dev = alloc_etherdev(sizeof(*tp));
  9009. if (!dev) {
  9010. printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
  9011. err = -ENOMEM;
  9012. goto err_out_free_res;
  9013. }
  9014. SET_MODULE_OWNER(dev);
  9015. SET_NETDEV_DEV(dev, &pdev->dev);
  9016. if (pci_using_dac)
  9017. dev->features |= NETIF_F_HIGHDMA;
  9018. dev->features |= NETIF_F_LLTX;
  9019. #if TG3_VLAN_TAG_USED
  9020. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  9021. dev->vlan_rx_register = tg3_vlan_rx_register;
  9022. dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
  9023. #endif
  9024. tp = netdev_priv(dev);
  9025. tp->pdev = pdev;
  9026. tp->dev = dev;
  9027. tp->pm_cap = pm_cap;
  9028. tp->mac_mode = TG3_DEF_MAC_MODE;
  9029. tp->rx_mode = TG3_DEF_RX_MODE;
  9030. tp->tx_mode = TG3_DEF_TX_MODE;
  9031. tp->mi_mode = MAC_MI_MODE_BASE;
  9032. if (tg3_debug > 0)
  9033. tp->msg_enable = tg3_debug;
  9034. else
  9035. tp->msg_enable = TG3_DEF_MSG_ENABLE;
  9036. /* The word/byte swap controls here control register access byte
  9037. * swapping. DMA data byte swapping is controlled in the GRC_MODE
  9038. * setting below.
  9039. */
  9040. tp->misc_host_ctrl =
  9041. MISC_HOST_CTRL_MASK_PCI_INT |
  9042. MISC_HOST_CTRL_WORD_SWAP |
  9043. MISC_HOST_CTRL_INDIR_ACCESS |
  9044. MISC_HOST_CTRL_PCISTATE_RW;
  9045. /* The NONFRM (non-frame) byte/word swap controls take effect
  9046. * on descriptor entries, anything which isn't packet data.
  9047. *
  9048. * The StrongARM chips on the board (one for tx, one for rx)
  9049. * are running in big-endian mode.
  9050. */
  9051. tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
  9052. GRC_MODE_WSWAP_NONFRM_DATA);
  9053. #ifdef __BIG_ENDIAN
  9054. tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
  9055. #endif
  9056. spin_lock_init(&tp->lock);
  9057. spin_lock_init(&tp->tx_lock);
  9058. spin_lock_init(&tp->indirect_lock);
  9059. INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
  9060. tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
  9061. if (tp->regs == 0UL) {
  9062. printk(KERN_ERR PFX "Cannot map device registers, "
  9063. "aborting.\n");
  9064. err = -ENOMEM;
  9065. goto err_out_free_dev;
  9066. }
  9067. tg3_init_link_config(tp);
  9068. tp->rx_pending = TG3_DEF_RX_RING_PENDING;
  9069. tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
  9070. tp->tx_pending = TG3_DEF_TX_RING_PENDING;
  9071. dev->open = tg3_open;
  9072. dev->stop = tg3_close;
  9073. dev->get_stats = tg3_get_stats;
  9074. dev->set_multicast_list = tg3_set_rx_mode;
  9075. dev->set_mac_address = tg3_set_mac_addr;
  9076. dev->do_ioctl = tg3_ioctl;
  9077. dev->tx_timeout = tg3_tx_timeout;
  9078. dev->poll = tg3_poll;
  9079. dev->ethtool_ops = &tg3_ethtool_ops;
  9080. dev->weight = 64;
  9081. dev->watchdog_timeo = TG3_TX_TIMEOUT;
  9082. dev->change_mtu = tg3_change_mtu;
  9083. dev->irq = pdev->irq;
  9084. #ifdef CONFIG_NET_POLL_CONTROLLER
  9085. dev->poll_controller = tg3_poll_controller;
  9086. #endif
  9087. err = tg3_get_invariants(tp);
  9088. if (err) {
  9089. printk(KERN_ERR PFX "Problem fetching invariants of chip, "
  9090. "aborting.\n");
  9091. goto err_out_iounmap;
  9092. }
  9093. tg3_init_bufmgr_config(tp);
  9094. #if TG3_TSO_SUPPORT != 0
  9095. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  9096. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  9097. }
  9098. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  9099. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  9100. tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
  9101. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  9102. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  9103. } else {
  9104. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  9105. }
  9106. /* TSO is off by default, user can enable using ethtool. */
  9107. #if 0
  9108. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
  9109. dev->features |= NETIF_F_TSO;
  9110. #endif
  9111. #endif
  9112. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
  9113. !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
  9114. !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
  9115. tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
  9116. tp->rx_pending = 63;
  9117. }
  9118. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  9119. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
  9120. tp->pdev_peer = tg3_find_peer(tp);
  9121. err = tg3_get_device_address(tp);
  9122. if (err) {
  9123. printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
  9124. "aborting.\n");
  9125. goto err_out_iounmap;
  9126. }
  9127. /*
  9128. * Reset chip in case UNDI or EFI driver did not shutdown
  9129. * DMA self test will enable WDMAC and we'll see (spurious)
  9130. * pending DMA on the PCI bus at that point.
  9131. */
  9132. if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
  9133. (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  9134. pci_save_state(tp->pdev);
  9135. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  9136. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  9137. }
  9138. err = tg3_test_dma(tp);
  9139. if (err) {
  9140. printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
  9141. goto err_out_iounmap;
  9142. }
  9143. /* Tigon3 can do ipv4 only... and some chips have buggy
  9144. * checksumming.
  9145. */
  9146. if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
  9147. dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
  9148. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  9149. } else
  9150. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  9151. if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
  9152. dev->features &= ~NETIF_F_HIGHDMA;
  9153. /* flow control autonegotiation is default behavior */
  9154. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  9155. tg3_init_coal(tp);
  9156. /* Now that we have fully setup the chip, save away a snapshot
  9157. * of the PCI config space. We need to restore this after
  9158. * GRC_MISC_CFG core clock resets and some resume events.
  9159. */
  9160. pci_save_state(tp->pdev);
  9161. err = register_netdev(dev);
  9162. if (err) {
  9163. printk(KERN_ERR PFX "Cannot register net device, "
  9164. "aborting.\n");
  9165. goto err_out_iounmap;
  9166. }
  9167. pci_set_drvdata(pdev, dev);
  9168. printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
  9169. dev->name,
  9170. tp->board_part_number,
  9171. tp->pci_chip_rev_id,
  9172. tg3_phy_string(tp),
  9173. tg3_bus_string(tp, str),
  9174. (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
  9175. for (i = 0; i < 6; i++)
  9176. printk("%2.2x%c", dev->dev_addr[i],
  9177. i == 5 ? '\n' : ':');
  9178. printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
  9179. "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
  9180. "TSOcap[%d] \n",
  9181. dev->name,
  9182. (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
  9183. (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
  9184. (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
  9185. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
  9186. (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
  9187. (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
  9188. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
  9189. printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
  9190. dev->name, tp->dma_rwctrl);
  9191. return 0;
  9192. err_out_iounmap:
  9193. if (tp->regs) {
  9194. iounmap(tp->regs);
  9195. tp->regs = NULL;
  9196. }
  9197. err_out_free_dev:
  9198. free_netdev(dev);
  9199. err_out_free_res:
  9200. pci_release_regions(pdev);
  9201. err_out_disable_pdev:
  9202. pci_disable_device(pdev);
  9203. pci_set_drvdata(pdev, NULL);
  9204. return err;
  9205. }
  9206. static void __devexit tg3_remove_one(struct pci_dev *pdev)
  9207. {
  9208. struct net_device *dev = pci_get_drvdata(pdev);
  9209. if (dev) {
  9210. struct tg3 *tp = netdev_priv(dev);
  9211. unregister_netdev(dev);
  9212. if (tp->regs) {
  9213. iounmap(tp->regs);
  9214. tp->regs = NULL;
  9215. }
  9216. free_netdev(dev);
  9217. pci_release_regions(pdev);
  9218. pci_disable_device(pdev);
  9219. pci_set_drvdata(pdev, NULL);
  9220. }
  9221. }
  9222. static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
  9223. {
  9224. struct net_device *dev = pci_get_drvdata(pdev);
  9225. struct tg3 *tp = netdev_priv(dev);
  9226. int err;
  9227. if (!netif_running(dev))
  9228. return 0;
  9229. tg3_netif_stop(tp);
  9230. del_timer_sync(&tp->timer);
  9231. tg3_full_lock(tp, 1);
  9232. tg3_disable_ints(tp);
  9233. tg3_full_unlock(tp);
  9234. netif_device_detach(dev);
  9235. tg3_full_lock(tp, 0);
  9236. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  9237. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  9238. tg3_full_unlock(tp);
  9239. err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
  9240. if (err) {
  9241. tg3_full_lock(tp, 0);
  9242. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  9243. tg3_init_hw(tp);
  9244. tp->timer.expires = jiffies + tp->timer_offset;
  9245. add_timer(&tp->timer);
  9246. netif_device_attach(dev);
  9247. tg3_netif_start(tp);
  9248. tg3_full_unlock(tp);
  9249. }
  9250. return err;
  9251. }
  9252. static int tg3_resume(struct pci_dev *pdev)
  9253. {
  9254. struct net_device *dev = pci_get_drvdata(pdev);
  9255. struct tg3 *tp = netdev_priv(dev);
  9256. int err;
  9257. if (!netif_running(dev))
  9258. return 0;
  9259. pci_restore_state(tp->pdev);
  9260. err = tg3_set_power_state(tp, 0);
  9261. if (err)
  9262. return err;
  9263. netif_device_attach(dev);
  9264. tg3_full_lock(tp, 0);
  9265. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  9266. tg3_init_hw(tp);
  9267. tp->timer.expires = jiffies + tp->timer_offset;
  9268. add_timer(&tp->timer);
  9269. tg3_netif_start(tp);
  9270. tg3_full_unlock(tp);
  9271. return 0;
  9272. }
  9273. static struct pci_driver tg3_driver = {
  9274. .name = DRV_MODULE_NAME,
  9275. .id_table = tg3_pci_tbl,
  9276. .probe = tg3_init_one,
  9277. .remove = __devexit_p(tg3_remove_one),
  9278. .suspend = tg3_suspend,
  9279. .resume = tg3_resume
  9280. };
  9281. static int __init tg3_init(void)
  9282. {
  9283. return pci_module_init(&tg3_driver);
  9284. }
  9285. static void __exit tg3_cleanup(void)
  9286. {
  9287. pci_unregister_driver(&tg3_driver);
  9288. }
  9289. module_init(tg3_init);
  9290. module_exit(tg3_cleanup);