tg3.c 391 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) 2005-2007 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 * Derived from proprietary unpublished source code,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/module.h>
  18. #include <linux/moduleparam.h>
  19. #include <linux/kernel.h>
  20. #include <linux/types.h>
  21. #include <linux/compiler.h>
  22. #include <linux/slab.h>
  23. #include <linux/delay.h>
  24. #include <linux/in.h>
  25. #include <linux/init.h>
  26. #include <linux/ioport.h>
  27. #include <linux/pci.h>
  28. #include <linux/netdevice.h>
  29. #include <linux/etherdevice.h>
  30. #include <linux/skbuff.h>
  31. #include <linux/ethtool.h>
  32. #include <linux/mii.h>
  33. #include <linux/phy.h>
  34. #include <linux/brcmphy.h>
  35. #include <linux/if_vlan.h>
  36. #include <linux/ip.h>
  37. #include <linux/tcp.h>
  38. #include <linux/workqueue.h>
  39. #include <linux/prefetch.h>
  40. #include <linux/dma-mapping.h>
  41. #include <net/checksum.h>
  42. #include <net/ip.h>
  43. #include <asm/system.h>
  44. #include <asm/io.h>
  45. #include <asm/byteorder.h>
  46. #include <asm/uaccess.h>
  47. #ifdef CONFIG_SPARC
  48. #include <asm/idprom.h>
  49. #include <asm/prom.h>
  50. #endif
  51. #define BAR_0 0
  52. #define BAR_2 2
  53. #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  54. #define TG3_VLAN_TAG_USED 1
  55. #else
  56. #define TG3_VLAN_TAG_USED 0
  57. #endif
  58. #define TG3_TSO_SUPPORT 1
  59. #include "tg3.h"
  60. #define DRV_MODULE_NAME "tg3"
  61. #define PFX DRV_MODULE_NAME ": "
  62. #define DRV_MODULE_VERSION "3.94"
  63. #define DRV_MODULE_RELDATE "August 14, 2008"
  64. #define TG3_DEF_MAC_MODE 0
  65. #define TG3_DEF_RX_MODE 0
  66. #define TG3_DEF_TX_MODE 0
  67. #define TG3_DEF_MSG_ENABLE \
  68. (NETIF_MSG_DRV | \
  69. NETIF_MSG_PROBE | \
  70. NETIF_MSG_LINK | \
  71. NETIF_MSG_TIMER | \
  72. NETIF_MSG_IFDOWN | \
  73. NETIF_MSG_IFUP | \
  74. NETIF_MSG_RX_ERR | \
  75. NETIF_MSG_TX_ERR)
  76. /* length of time before we decide the hardware is borked,
  77. * and dev->tx_timeout() should be called to fix the problem
  78. */
  79. #define TG3_TX_TIMEOUT (5 * HZ)
  80. /* hardware minimum and maximum for a single frame's data payload */
  81. #define TG3_MIN_MTU 60
  82. #define TG3_MAX_MTU(tp) \
  83. ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  84. /* These numbers seem to be hard coded in the NIC firmware somehow.
  85. * You can't change the ring sizes, but you can change where you place
  86. * them in the NIC onboard memory.
  87. */
  88. #define TG3_RX_RING_SIZE 512
  89. #define TG3_DEF_RX_RING_PENDING 200
  90. #define TG3_RX_JUMBO_RING_SIZE 256
  91. #define TG3_DEF_RX_JUMBO_RING_PENDING 100
  92. /* Do not place this n-ring entries value into the tp struct itself,
  93. * we really want to expose these constants to GCC so that modulo et
  94. * al. operations are done with shifts and masks instead of with
  95. * hw multiply/modulo instructions. Another solution would be to
  96. * replace things like '% foo' with '& (foo - 1)'.
  97. */
  98. #define TG3_RX_RCB_RING_SIZE(tp) \
  99. ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
  100. #define TG3_TX_RING_SIZE 512
  101. #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
  102. #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  103. TG3_RX_RING_SIZE)
  104. #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
  105. TG3_RX_JUMBO_RING_SIZE)
  106. #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
  107. TG3_RX_RCB_RING_SIZE(tp))
  108. #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
  109. TG3_TX_RING_SIZE)
  110. #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
  111. #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
  112. #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
  113. /* minimum number of free TX descriptors required to wake up TX process */
  114. #define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
  115. /* number of ETHTOOL_GSTATS u64's */
  116. #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
  117. #define TG3_NUM_TEST 6
  118. static char version[] __devinitdata =
  119. DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  120. MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
  121. MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
  122. MODULE_LICENSE("GPL");
  123. MODULE_VERSION(DRV_MODULE_VERSION);
  124. static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
  125. module_param(tg3_debug, int, 0);
  126. MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
  127. static struct pci_device_id tg3_pci_tbl[] = {
  128. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
  129. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
  130. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
  131. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
  132. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
  133. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
  134. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
  135. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
  136. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
  137. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
  138. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
  139. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
  140. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
  141. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
  142. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
  143. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
  144. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
  145. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
  146. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
  147. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
  148. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
  149. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
  150. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
  151. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
  152. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
  153. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
  154. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
  155. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
  156. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
  157. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
  158. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
  159. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
  160. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
  161. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
  162. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
  163. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
  164. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
  165. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
  166. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
  167. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
  168. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
  169. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
  170. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
  171. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
  172. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
  173. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
  174. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
  175. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
  176. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
  177. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
  178. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
  179. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
  180. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
  181. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
  182. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
  183. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
  184. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
  185. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
  186. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
  187. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
  188. {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5785)},
  189. {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
  190. {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
  191. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
  192. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
  193. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
  194. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
  195. {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
  196. {}
  197. };
  198. MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
  199. static const struct {
  200. const char string[ETH_GSTRING_LEN];
  201. } ethtool_stats_keys[TG3_NUM_STATS] = {
  202. { "rx_octets" },
  203. { "rx_fragments" },
  204. { "rx_ucast_packets" },
  205. { "rx_mcast_packets" },
  206. { "rx_bcast_packets" },
  207. { "rx_fcs_errors" },
  208. { "rx_align_errors" },
  209. { "rx_xon_pause_rcvd" },
  210. { "rx_xoff_pause_rcvd" },
  211. { "rx_mac_ctrl_rcvd" },
  212. { "rx_xoff_entered" },
  213. { "rx_frame_too_long_errors" },
  214. { "rx_jabbers" },
  215. { "rx_undersize_packets" },
  216. { "rx_in_length_errors" },
  217. { "rx_out_length_errors" },
  218. { "rx_64_or_less_octet_packets" },
  219. { "rx_65_to_127_octet_packets" },
  220. { "rx_128_to_255_octet_packets" },
  221. { "rx_256_to_511_octet_packets" },
  222. { "rx_512_to_1023_octet_packets" },
  223. { "rx_1024_to_1522_octet_packets" },
  224. { "rx_1523_to_2047_octet_packets" },
  225. { "rx_2048_to_4095_octet_packets" },
  226. { "rx_4096_to_8191_octet_packets" },
  227. { "rx_8192_to_9022_octet_packets" },
  228. { "tx_octets" },
  229. { "tx_collisions" },
  230. { "tx_xon_sent" },
  231. { "tx_xoff_sent" },
  232. { "tx_flow_control" },
  233. { "tx_mac_errors" },
  234. { "tx_single_collisions" },
  235. { "tx_mult_collisions" },
  236. { "tx_deferred" },
  237. { "tx_excessive_collisions" },
  238. { "tx_late_collisions" },
  239. { "tx_collide_2times" },
  240. { "tx_collide_3times" },
  241. { "tx_collide_4times" },
  242. { "tx_collide_5times" },
  243. { "tx_collide_6times" },
  244. { "tx_collide_7times" },
  245. { "tx_collide_8times" },
  246. { "tx_collide_9times" },
  247. { "tx_collide_10times" },
  248. { "tx_collide_11times" },
  249. { "tx_collide_12times" },
  250. { "tx_collide_13times" },
  251. { "tx_collide_14times" },
  252. { "tx_collide_15times" },
  253. { "tx_ucast_packets" },
  254. { "tx_mcast_packets" },
  255. { "tx_bcast_packets" },
  256. { "tx_carrier_sense_errors" },
  257. { "tx_discards" },
  258. { "tx_errors" },
  259. { "dma_writeq_full" },
  260. { "dma_write_prioq_full" },
  261. { "rxbds_empty" },
  262. { "rx_discards" },
  263. { "rx_errors" },
  264. { "rx_threshold_hit" },
  265. { "dma_readq_full" },
  266. { "dma_read_prioq_full" },
  267. { "tx_comp_queue_full" },
  268. { "ring_set_send_prod_index" },
  269. { "ring_status_update" },
  270. { "nic_irqs" },
  271. { "nic_avoided_irqs" },
  272. { "nic_tx_threshold_hit" }
  273. };
  274. static const struct {
  275. const char string[ETH_GSTRING_LEN];
  276. } ethtool_test_keys[TG3_NUM_TEST] = {
  277. { "nvram test (online) " },
  278. { "link test (online) " },
  279. { "register test (offline)" },
  280. { "memory test (offline)" },
  281. { "loopback test (offline)" },
  282. { "interrupt test (offline)" },
  283. };
  284. static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
  285. {
  286. writel(val, tp->regs + off);
  287. }
  288. static u32 tg3_read32(struct tg3 *tp, u32 off)
  289. {
  290. return (readl(tp->regs + off));
  291. }
  292. static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
  293. {
  294. writel(val, tp->aperegs + off);
  295. }
  296. static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
  297. {
  298. return (readl(tp->aperegs + off));
  299. }
  300. static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
  301. {
  302. unsigned long flags;
  303. spin_lock_irqsave(&tp->indirect_lock, flags);
  304. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  305. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  306. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  307. }
  308. static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
  309. {
  310. writel(val, tp->regs + off);
  311. readl(tp->regs + off);
  312. }
  313. static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
  314. {
  315. unsigned long flags;
  316. u32 val;
  317. spin_lock_irqsave(&tp->indirect_lock, flags);
  318. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  319. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  320. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  321. return val;
  322. }
  323. static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
  324. {
  325. unsigned long flags;
  326. if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
  327. pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
  328. TG3_64BIT_REG_LOW, val);
  329. return;
  330. }
  331. if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
  332. pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
  333. TG3_64BIT_REG_LOW, val);
  334. return;
  335. }
  336. spin_lock_irqsave(&tp->indirect_lock, flags);
  337. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  338. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  339. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  340. /* In indirect mode when disabling interrupts, we also need
  341. * to clear the interrupt bit in the GRC local ctrl register.
  342. */
  343. if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
  344. (val == 0x1)) {
  345. pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
  346. tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
  347. }
  348. }
  349. static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
  350. {
  351. unsigned long flags;
  352. u32 val;
  353. spin_lock_irqsave(&tp->indirect_lock, flags);
  354. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  355. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  356. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  357. return val;
  358. }
  359. /* usec_wait specifies the wait time in usec when writing to certain registers
  360. * where it is unsafe to read back the register without some delay.
  361. * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
  362. * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
  363. */
  364. static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
  365. {
  366. if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
  367. (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  368. /* Non-posted methods */
  369. tp->write32(tp, off, val);
  370. else {
  371. /* Posted method */
  372. tg3_write32(tp, off, val);
  373. if (usec_wait)
  374. udelay(usec_wait);
  375. tp->read32(tp, off);
  376. }
  377. /* Wait again after the read for the posted method to guarantee that
  378. * the wait time is met.
  379. */
  380. if (usec_wait)
  381. udelay(usec_wait);
  382. }
  383. static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
  384. {
  385. tp->write32_mbox(tp, off, val);
  386. if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  387. !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  388. tp->read32_mbox(tp, off);
  389. }
  390. static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
  391. {
  392. void __iomem *mbox = tp->regs + off;
  393. writel(val, mbox);
  394. if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  395. writel(val, mbox);
  396. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  397. readl(mbox);
  398. }
  399. static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
  400. {
  401. return (readl(tp->regs + off + GRCMBOX_BASE));
  402. }
  403. static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
  404. {
  405. writel(val, tp->regs + off + GRCMBOX_BASE);
  406. }
  407. #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
  408. #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
  409. #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
  410. #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
  411. #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
  412. #define tw32(reg,val) tp->write32(tp, reg, val)
  413. #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
  414. #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
  415. #define tr32(reg) tp->read32(tp, reg)
  416. static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
  417. {
  418. unsigned long flags;
  419. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
  420. (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
  421. return;
  422. spin_lock_irqsave(&tp->indirect_lock, flags);
  423. if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
  424. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  425. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  426. /* Always leave this as zero. */
  427. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  428. } else {
  429. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
  430. tw32_f(TG3PCI_MEM_WIN_DATA, val);
  431. /* Always leave this as zero. */
  432. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  433. }
  434. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  435. }
  436. static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
  437. {
  438. unsigned long flags;
  439. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
  440. (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
  441. *val = 0;
  442. return;
  443. }
  444. spin_lock_irqsave(&tp->indirect_lock, flags);
  445. if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
  446. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  447. pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  448. /* Always leave this as zero. */
  449. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  450. } else {
  451. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
  452. *val = tr32(TG3PCI_MEM_WIN_DATA);
  453. /* Always leave this as zero. */
  454. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  455. }
  456. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  457. }
  458. static void tg3_ape_lock_init(struct tg3 *tp)
  459. {
  460. int i;
  461. /* Make sure the driver hasn't any stale locks. */
  462. for (i = 0; i < 8; i++)
  463. tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
  464. APE_LOCK_GRANT_DRIVER);
  465. }
  466. static int tg3_ape_lock(struct tg3 *tp, int locknum)
  467. {
  468. int i, off;
  469. int ret = 0;
  470. u32 status;
  471. if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
  472. return 0;
  473. switch (locknum) {
  474. case TG3_APE_LOCK_GRC:
  475. case TG3_APE_LOCK_MEM:
  476. break;
  477. default:
  478. return -EINVAL;
  479. }
  480. off = 4 * locknum;
  481. tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
  482. /* Wait for up to 1 millisecond to acquire lock. */
  483. for (i = 0; i < 100; i++) {
  484. status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
  485. if (status == APE_LOCK_GRANT_DRIVER)
  486. break;
  487. udelay(10);
  488. }
  489. if (status != APE_LOCK_GRANT_DRIVER) {
  490. /* Revoke the lock request. */
  491. tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
  492. APE_LOCK_GRANT_DRIVER);
  493. ret = -EBUSY;
  494. }
  495. return ret;
  496. }
  497. static void tg3_ape_unlock(struct tg3 *tp, int locknum)
  498. {
  499. int off;
  500. if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
  501. return;
  502. switch (locknum) {
  503. case TG3_APE_LOCK_GRC:
  504. case TG3_APE_LOCK_MEM:
  505. break;
  506. default:
  507. return;
  508. }
  509. off = 4 * locknum;
  510. tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
  511. }
  512. static void tg3_disable_ints(struct tg3 *tp)
  513. {
  514. tw32(TG3PCI_MISC_HOST_CTRL,
  515. (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
  516. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  517. }
  518. static inline void tg3_cond_int(struct tg3 *tp)
  519. {
  520. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  521. (tp->hw_status->status & SD_STATUS_UPDATED))
  522. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  523. else
  524. tw32(HOSTCC_MODE, tp->coalesce_mode |
  525. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  526. }
  527. static void tg3_enable_ints(struct tg3 *tp)
  528. {
  529. tp->irq_sync = 0;
  530. wmb();
  531. tw32(TG3PCI_MISC_HOST_CTRL,
  532. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  533. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  534. (tp->last_tag << 24));
  535. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
  536. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  537. (tp->last_tag << 24));
  538. tg3_cond_int(tp);
  539. }
  540. static inline unsigned int tg3_has_work(struct tg3 *tp)
  541. {
  542. struct tg3_hw_status *sblk = tp->hw_status;
  543. unsigned int work_exists = 0;
  544. /* check for phy events */
  545. if (!(tp->tg3_flags &
  546. (TG3_FLAG_USE_LINKCHG_REG |
  547. TG3_FLAG_POLL_SERDES))) {
  548. if (sblk->status & SD_STATUS_LINK_CHG)
  549. work_exists = 1;
  550. }
  551. /* check for RX/TX work to do */
  552. if (sblk->idx[0].tx_consumer != tp->tx_cons ||
  553. sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  554. work_exists = 1;
  555. return work_exists;
  556. }
  557. /* tg3_restart_ints
  558. * similar to tg3_enable_ints, but it accurately determines whether there
  559. * is new work pending and can return without flushing the PIO write
  560. * which reenables interrupts
  561. */
  562. static void tg3_restart_ints(struct tg3 *tp)
  563. {
  564. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  565. tp->last_tag << 24);
  566. mmiowb();
  567. /* When doing tagged status, this work check is unnecessary.
  568. * The last_tag we write above tells the chip which piece of
  569. * work we've completed.
  570. */
  571. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  572. tg3_has_work(tp))
  573. tw32(HOSTCC_MODE, tp->coalesce_mode |
  574. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  575. }
  576. static inline void tg3_netif_stop(struct tg3 *tp)
  577. {
  578. tp->dev->trans_start = jiffies; /* prevent tx timeout */
  579. napi_disable(&tp->napi);
  580. netif_tx_disable(tp->dev);
  581. }
  582. static inline void tg3_netif_start(struct tg3 *tp)
  583. {
  584. netif_wake_queue(tp->dev);
  585. /* NOTE: unconditional netif_wake_queue is only appropriate
  586. * so long as all callers are assured to have free tx slots
  587. * (such as after tg3_init_hw)
  588. */
  589. napi_enable(&tp->napi);
  590. tp->hw_status->status |= SD_STATUS_UPDATED;
  591. tg3_enable_ints(tp);
  592. }
  593. static void tg3_switch_clocks(struct tg3 *tp)
  594. {
  595. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
  596. u32 orig_clock_ctrl;
  597. if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
  598. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  599. return;
  600. orig_clock_ctrl = clock_ctrl;
  601. clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
  602. CLOCK_CTRL_CLKRUN_OENABLE |
  603. 0x1f);
  604. tp->pci_clock_ctrl = clock_ctrl;
  605. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  606. if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
  607. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  608. clock_ctrl | CLOCK_CTRL_625_CORE, 40);
  609. }
  610. } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
  611. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  612. clock_ctrl |
  613. (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
  614. 40);
  615. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  616. clock_ctrl | (CLOCK_CTRL_ALTCLK),
  617. 40);
  618. }
  619. tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
  620. }
  621. #define PHY_BUSY_LOOPS 5000
  622. static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  623. {
  624. u32 frame_val;
  625. unsigned int loops;
  626. int ret;
  627. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  628. tw32_f(MAC_MI_MODE,
  629. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  630. udelay(80);
  631. }
  632. *val = 0x0;
  633. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  634. MI_COM_PHY_ADDR_MASK);
  635. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  636. MI_COM_REG_ADDR_MASK);
  637. frame_val |= (MI_COM_CMD_READ | MI_COM_START);
  638. tw32_f(MAC_MI_COM, frame_val);
  639. loops = PHY_BUSY_LOOPS;
  640. while (loops != 0) {
  641. udelay(10);
  642. frame_val = tr32(MAC_MI_COM);
  643. if ((frame_val & MI_COM_BUSY) == 0) {
  644. udelay(5);
  645. frame_val = tr32(MAC_MI_COM);
  646. break;
  647. }
  648. loops -= 1;
  649. }
  650. ret = -EBUSY;
  651. if (loops != 0) {
  652. *val = frame_val & MI_COM_DATA_MASK;
  653. ret = 0;
  654. }
  655. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  656. tw32_f(MAC_MI_MODE, tp->mi_mode);
  657. udelay(80);
  658. }
  659. return ret;
  660. }
  661. static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  662. {
  663. u32 frame_val;
  664. unsigned int loops;
  665. int ret;
  666. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
  667. (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
  668. return 0;
  669. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  670. tw32_f(MAC_MI_MODE,
  671. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  672. udelay(80);
  673. }
  674. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  675. MI_COM_PHY_ADDR_MASK);
  676. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  677. MI_COM_REG_ADDR_MASK);
  678. frame_val |= (val & MI_COM_DATA_MASK);
  679. frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
  680. tw32_f(MAC_MI_COM, frame_val);
  681. loops = PHY_BUSY_LOOPS;
  682. while (loops != 0) {
  683. udelay(10);
  684. frame_val = tr32(MAC_MI_COM);
  685. if ((frame_val & MI_COM_BUSY) == 0) {
  686. udelay(5);
  687. frame_val = tr32(MAC_MI_COM);
  688. break;
  689. }
  690. loops -= 1;
  691. }
  692. ret = -EBUSY;
  693. if (loops != 0)
  694. ret = 0;
  695. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  696. tw32_f(MAC_MI_MODE, tp->mi_mode);
  697. udelay(80);
  698. }
  699. return ret;
  700. }
  701. static int tg3_bmcr_reset(struct tg3 *tp)
  702. {
  703. u32 phy_control;
  704. int limit, err;
  705. /* OK, reset it, and poll the BMCR_RESET bit until it
  706. * clears or we time out.
  707. */
  708. phy_control = BMCR_RESET;
  709. err = tg3_writephy(tp, MII_BMCR, phy_control);
  710. if (err != 0)
  711. return -EBUSY;
  712. limit = 5000;
  713. while (limit--) {
  714. err = tg3_readphy(tp, MII_BMCR, &phy_control);
  715. if (err != 0)
  716. return -EBUSY;
  717. if ((phy_control & BMCR_RESET) == 0) {
  718. udelay(40);
  719. break;
  720. }
  721. udelay(10);
  722. }
  723. if (limit <= 0)
  724. return -EBUSY;
  725. return 0;
  726. }
  727. static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
  728. {
  729. struct tg3 *tp = (struct tg3 *)bp->priv;
  730. u32 val;
  731. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
  732. return -EAGAIN;
  733. if (tg3_readphy(tp, reg, &val))
  734. return -EIO;
  735. return val;
  736. }
  737. static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
  738. {
  739. struct tg3 *tp = (struct tg3 *)bp->priv;
  740. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
  741. return -EAGAIN;
  742. if (tg3_writephy(tp, reg, val))
  743. return -EIO;
  744. return 0;
  745. }
  746. static int tg3_mdio_reset(struct mii_bus *bp)
  747. {
  748. return 0;
  749. }
  750. static void tg3_mdio_config(struct tg3 *tp)
  751. {
  752. u32 val;
  753. if (tp->mdio_bus->phy_map[PHY_ADDR]->interface !=
  754. PHY_INTERFACE_MODE_RGMII)
  755. return;
  756. val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
  757. MAC_PHYCFG1_RGMII_SND_STAT_EN);
  758. if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
  759. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
  760. val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
  761. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
  762. val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
  763. }
  764. tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);
  765. val = tr32(MAC_PHYCFG2) & ~(MAC_PHYCFG2_INBAND_ENABLE);
  766. if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
  767. val |= MAC_PHYCFG2_INBAND_ENABLE;
  768. tw32(MAC_PHYCFG2, val);
  769. val = tr32(MAC_EXT_RGMII_MODE);
  770. val &= ~(MAC_RGMII_MODE_RX_INT_B |
  771. MAC_RGMII_MODE_RX_QUALITY |
  772. MAC_RGMII_MODE_RX_ACTIVITY |
  773. MAC_RGMII_MODE_RX_ENG_DET |
  774. MAC_RGMII_MODE_TX_ENABLE |
  775. MAC_RGMII_MODE_TX_LOWPWR |
  776. MAC_RGMII_MODE_TX_RESET);
  777. if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
  778. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
  779. val |= MAC_RGMII_MODE_RX_INT_B |
  780. MAC_RGMII_MODE_RX_QUALITY |
  781. MAC_RGMII_MODE_RX_ACTIVITY |
  782. MAC_RGMII_MODE_RX_ENG_DET;
  783. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
  784. val |= MAC_RGMII_MODE_TX_ENABLE |
  785. MAC_RGMII_MODE_TX_LOWPWR |
  786. MAC_RGMII_MODE_TX_RESET;
  787. }
  788. tw32(MAC_EXT_RGMII_MODE, val);
  789. }
  790. static void tg3_mdio_start(struct tg3 *tp)
  791. {
  792. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
  793. mutex_lock(&tp->mdio_bus->mdio_lock);
  794. tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
  795. mutex_unlock(&tp->mdio_bus->mdio_lock);
  796. }
  797. tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
  798. tw32_f(MAC_MI_MODE, tp->mi_mode);
  799. udelay(80);
  800. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED)
  801. tg3_mdio_config(tp);
  802. }
  803. static void tg3_mdio_stop(struct tg3 *tp)
  804. {
  805. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
  806. mutex_lock(&tp->mdio_bus->mdio_lock);
  807. tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED;
  808. mutex_unlock(&tp->mdio_bus->mdio_lock);
  809. }
  810. }
  811. static int tg3_mdio_init(struct tg3 *tp)
  812. {
  813. int i;
  814. u32 reg;
  815. struct phy_device *phydev;
  816. tg3_mdio_start(tp);
  817. if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
  818. (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
  819. return 0;
  820. tp->mdio_bus = mdiobus_alloc();
  821. if (tp->mdio_bus == NULL)
  822. return -ENOMEM;
  823. tp->mdio_bus->name = "tg3 mdio bus";
  824. snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
  825. (tp->pdev->bus->number << 8) | tp->pdev->devfn);
  826. tp->mdio_bus->priv = tp;
  827. tp->mdio_bus->parent = &tp->pdev->dev;
  828. tp->mdio_bus->read = &tg3_mdio_read;
  829. tp->mdio_bus->write = &tg3_mdio_write;
  830. tp->mdio_bus->reset = &tg3_mdio_reset;
  831. tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
  832. tp->mdio_bus->irq = &tp->mdio_irq[0];
  833. for (i = 0; i < PHY_MAX_ADDR; i++)
  834. tp->mdio_bus->irq[i] = PHY_POLL;
  835. /* The bus registration will look for all the PHYs on the mdio bus.
  836. * Unfortunately, it does not ensure the PHY is powered up before
  837. * accessing the PHY ID registers. A chip reset is the
  838. * quickest way to bring the device back to an operational state..
  839. */
  840. if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
  841. tg3_bmcr_reset(tp);
  842. i = mdiobus_register(tp->mdio_bus);
  843. if (i) {
  844. printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
  845. tp->dev->name, i);
  846. return i;
  847. }
  848. tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
  849. phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  850. switch (phydev->phy_id) {
  851. case TG3_PHY_ID_BCM50610:
  852. phydev->interface = PHY_INTERFACE_MODE_RGMII;
  853. if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
  854. phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
  855. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
  856. phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
  857. if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
  858. phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
  859. break;
  860. case TG3_PHY_ID_BCMAC131:
  861. phydev->interface = PHY_INTERFACE_MODE_MII;
  862. break;
  863. }
  864. tg3_mdio_config(tp);
  865. return 0;
  866. }
  867. static void tg3_mdio_fini(struct tg3 *tp)
  868. {
  869. if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
  870. tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
  871. mdiobus_unregister(tp->mdio_bus);
  872. mdiobus_free(tp->mdio_bus);
  873. tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
  874. }
  875. }
  876. /* tp->lock is held. */
  877. static inline void tg3_generate_fw_event(struct tg3 *tp)
  878. {
  879. u32 val;
  880. val = tr32(GRC_RX_CPU_EVENT);
  881. val |= GRC_RX_CPU_DRIVER_EVENT;
  882. tw32_f(GRC_RX_CPU_EVENT, val);
  883. tp->last_event_jiffies = jiffies;
  884. }
  885. #define TG3_FW_EVENT_TIMEOUT_USEC 2500
  886. /* tp->lock is held. */
  887. static void tg3_wait_for_event_ack(struct tg3 *tp)
  888. {
  889. int i;
  890. unsigned int delay_cnt;
  891. long time_remain;
  892. /* If enough time has passed, no wait is necessary. */
  893. time_remain = (long)(tp->last_event_jiffies + 1 +
  894. usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
  895. (long)jiffies;
  896. if (time_remain < 0)
  897. return;
  898. /* Check if we can shorten the wait time. */
  899. delay_cnt = jiffies_to_usecs(time_remain);
  900. if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
  901. delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
  902. delay_cnt = (delay_cnt >> 3) + 1;
  903. for (i = 0; i < delay_cnt; i++) {
  904. if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
  905. break;
  906. udelay(8);
  907. }
  908. }
  909. /* tp->lock is held. */
  910. static void tg3_ump_link_report(struct tg3 *tp)
  911. {
  912. u32 reg;
  913. u32 val;
  914. if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
  915. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  916. return;
  917. tg3_wait_for_event_ack(tp);
  918. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
  919. tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
  920. val = 0;
  921. if (!tg3_readphy(tp, MII_BMCR, &reg))
  922. val = reg << 16;
  923. if (!tg3_readphy(tp, MII_BMSR, &reg))
  924. val |= (reg & 0xffff);
  925. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
  926. val = 0;
  927. if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
  928. val = reg << 16;
  929. if (!tg3_readphy(tp, MII_LPA, &reg))
  930. val |= (reg & 0xffff);
  931. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
  932. val = 0;
  933. if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
  934. if (!tg3_readphy(tp, MII_CTRL1000, &reg))
  935. val = reg << 16;
  936. if (!tg3_readphy(tp, MII_STAT1000, &reg))
  937. val |= (reg & 0xffff);
  938. }
  939. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
  940. if (!tg3_readphy(tp, MII_PHYADDR, &reg))
  941. val = reg << 16;
  942. else
  943. val = 0;
  944. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
  945. tg3_generate_fw_event(tp);
  946. }
  947. static void tg3_link_report(struct tg3 *tp)
  948. {
  949. if (!netif_carrier_ok(tp->dev)) {
  950. if (netif_msg_link(tp))
  951. printk(KERN_INFO PFX "%s: Link is down.\n",
  952. tp->dev->name);
  953. tg3_ump_link_report(tp);
  954. } else if (netif_msg_link(tp)) {
  955. printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
  956. tp->dev->name,
  957. (tp->link_config.active_speed == SPEED_1000 ?
  958. 1000 :
  959. (tp->link_config.active_speed == SPEED_100 ?
  960. 100 : 10)),
  961. (tp->link_config.active_duplex == DUPLEX_FULL ?
  962. "full" : "half"));
  963. printk(KERN_INFO PFX
  964. "%s: Flow control is %s for TX and %s for RX.\n",
  965. tp->dev->name,
  966. (tp->link_config.active_flowctrl & TG3_FLOW_CTRL_TX) ?
  967. "on" : "off",
  968. (tp->link_config.active_flowctrl & TG3_FLOW_CTRL_RX) ?
  969. "on" : "off");
  970. tg3_ump_link_report(tp);
  971. }
  972. }
  973. static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
  974. {
  975. u16 miireg;
  976. if ((flow_ctrl & TG3_FLOW_CTRL_TX) && (flow_ctrl & TG3_FLOW_CTRL_RX))
  977. miireg = ADVERTISE_PAUSE_CAP;
  978. else if (flow_ctrl & TG3_FLOW_CTRL_TX)
  979. miireg = ADVERTISE_PAUSE_ASYM;
  980. else if (flow_ctrl & TG3_FLOW_CTRL_RX)
  981. miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
  982. else
  983. miireg = 0;
  984. return miireg;
  985. }
  986. static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
  987. {
  988. u16 miireg;
  989. if ((flow_ctrl & TG3_FLOW_CTRL_TX) && (flow_ctrl & TG3_FLOW_CTRL_RX))
  990. miireg = ADVERTISE_1000XPAUSE;
  991. else if (flow_ctrl & TG3_FLOW_CTRL_TX)
  992. miireg = ADVERTISE_1000XPSE_ASYM;
  993. else if (flow_ctrl & TG3_FLOW_CTRL_RX)
  994. miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
  995. else
  996. miireg = 0;
  997. return miireg;
  998. }
  999. static u8 tg3_resolve_flowctrl_1000T(u16 lcladv, u16 rmtadv)
  1000. {
  1001. u8 cap = 0;
  1002. if (lcladv & ADVERTISE_PAUSE_CAP) {
  1003. if (lcladv & ADVERTISE_PAUSE_ASYM) {
  1004. if (rmtadv & LPA_PAUSE_CAP)
  1005. cap = TG3_FLOW_CTRL_TX | TG3_FLOW_CTRL_RX;
  1006. else if (rmtadv & LPA_PAUSE_ASYM)
  1007. cap = TG3_FLOW_CTRL_RX;
  1008. } else {
  1009. if (rmtadv & LPA_PAUSE_CAP)
  1010. cap = TG3_FLOW_CTRL_TX | TG3_FLOW_CTRL_RX;
  1011. }
  1012. } else if (lcladv & ADVERTISE_PAUSE_ASYM) {
  1013. if ((rmtadv & LPA_PAUSE_CAP) && (rmtadv & LPA_PAUSE_ASYM))
  1014. cap = TG3_FLOW_CTRL_TX;
  1015. }
  1016. return cap;
  1017. }
  1018. static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
  1019. {
  1020. u8 cap = 0;
  1021. if (lcladv & ADVERTISE_1000XPAUSE) {
  1022. if (lcladv & ADVERTISE_1000XPSE_ASYM) {
  1023. if (rmtadv & LPA_1000XPAUSE)
  1024. cap = TG3_FLOW_CTRL_TX | TG3_FLOW_CTRL_RX;
  1025. else if (rmtadv & LPA_1000XPAUSE_ASYM)
  1026. cap = TG3_FLOW_CTRL_RX;
  1027. } else {
  1028. if (rmtadv & LPA_1000XPAUSE)
  1029. cap = TG3_FLOW_CTRL_TX | TG3_FLOW_CTRL_RX;
  1030. }
  1031. } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
  1032. if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
  1033. cap = TG3_FLOW_CTRL_TX;
  1034. }
  1035. return cap;
  1036. }
  1037. static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
  1038. {
  1039. u8 autoneg;
  1040. u8 flowctrl = 0;
  1041. u32 old_rx_mode = tp->rx_mode;
  1042. u32 old_tx_mode = tp->tx_mode;
  1043. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
  1044. autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
  1045. else
  1046. autoneg = tp->link_config.autoneg;
  1047. if (autoneg == AUTONEG_ENABLE &&
  1048. (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
  1049. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  1050. flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
  1051. else
  1052. flowctrl = tg3_resolve_flowctrl_1000T(lcladv, rmtadv);
  1053. } else
  1054. flowctrl = tp->link_config.flowctrl;
  1055. tp->link_config.active_flowctrl = flowctrl;
  1056. if (flowctrl & TG3_FLOW_CTRL_RX)
  1057. tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
  1058. else
  1059. tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
  1060. if (old_rx_mode != tp->rx_mode)
  1061. tw32_f(MAC_RX_MODE, tp->rx_mode);
  1062. if (flowctrl & TG3_FLOW_CTRL_TX)
  1063. tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
  1064. else
  1065. tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
  1066. if (old_tx_mode != tp->tx_mode)
  1067. tw32_f(MAC_TX_MODE, tp->tx_mode);
  1068. }
  1069. static void tg3_adjust_link(struct net_device *dev)
  1070. {
  1071. u8 oldflowctrl, linkmesg = 0;
  1072. u32 mac_mode, lcl_adv, rmt_adv;
  1073. struct tg3 *tp = netdev_priv(dev);
  1074. struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  1075. spin_lock(&tp->lock);
  1076. mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
  1077. MAC_MODE_HALF_DUPLEX);
  1078. oldflowctrl = tp->link_config.active_flowctrl;
  1079. if (phydev->link) {
  1080. lcl_adv = 0;
  1081. rmt_adv = 0;
  1082. if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
  1083. mac_mode |= MAC_MODE_PORT_MODE_MII;
  1084. else
  1085. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1086. if (phydev->duplex == DUPLEX_HALF)
  1087. mac_mode |= MAC_MODE_HALF_DUPLEX;
  1088. else {
  1089. lcl_adv = tg3_advert_flowctrl_1000T(
  1090. tp->link_config.flowctrl);
  1091. if (phydev->pause)
  1092. rmt_adv = LPA_PAUSE_CAP;
  1093. if (phydev->asym_pause)
  1094. rmt_adv |= LPA_PAUSE_ASYM;
  1095. }
  1096. tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
  1097. } else
  1098. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1099. if (mac_mode != tp->mac_mode) {
  1100. tp->mac_mode = mac_mode;
  1101. tw32_f(MAC_MODE, tp->mac_mode);
  1102. udelay(40);
  1103. }
  1104. if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
  1105. tw32(MAC_TX_LENGTHS,
  1106. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  1107. (6 << TX_LENGTHS_IPG_SHIFT) |
  1108. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  1109. else
  1110. tw32(MAC_TX_LENGTHS,
  1111. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  1112. (6 << TX_LENGTHS_IPG_SHIFT) |
  1113. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  1114. if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
  1115. (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
  1116. phydev->speed != tp->link_config.active_speed ||
  1117. phydev->duplex != tp->link_config.active_duplex ||
  1118. oldflowctrl != tp->link_config.active_flowctrl)
  1119. linkmesg = 1;
  1120. tp->link_config.active_speed = phydev->speed;
  1121. tp->link_config.active_duplex = phydev->duplex;
  1122. spin_unlock(&tp->lock);
  1123. if (linkmesg)
  1124. tg3_link_report(tp);
  1125. }
  1126. static int tg3_phy_init(struct tg3 *tp)
  1127. {
  1128. struct phy_device *phydev;
  1129. if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
  1130. return 0;
  1131. /* Bring the PHY back to a known state. */
  1132. tg3_bmcr_reset(tp);
  1133. phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  1134. /* Attach the MAC to the PHY. */
  1135. phydev = phy_connect(tp->dev, phydev->dev.bus_id, tg3_adjust_link,
  1136. phydev->dev_flags, phydev->interface);
  1137. if (IS_ERR(phydev)) {
  1138. printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
  1139. return PTR_ERR(phydev);
  1140. }
  1141. tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
  1142. /* Mask with MAC supported features. */
  1143. phydev->supported &= (PHY_GBIT_FEATURES |
  1144. SUPPORTED_Pause |
  1145. SUPPORTED_Asym_Pause);
  1146. phydev->advertising = phydev->supported;
  1147. return 0;
  1148. }
  1149. static void tg3_phy_start(struct tg3 *tp)
  1150. {
  1151. struct phy_device *phydev;
  1152. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  1153. return;
  1154. phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  1155. if (tp->link_config.phy_is_low_power) {
  1156. tp->link_config.phy_is_low_power = 0;
  1157. phydev->speed = tp->link_config.orig_speed;
  1158. phydev->duplex = tp->link_config.orig_duplex;
  1159. phydev->autoneg = tp->link_config.orig_autoneg;
  1160. phydev->advertising = tp->link_config.orig_advertising;
  1161. }
  1162. phy_start(phydev);
  1163. phy_start_aneg(phydev);
  1164. }
  1165. static void tg3_phy_stop(struct tg3 *tp)
  1166. {
  1167. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  1168. return;
  1169. phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
  1170. }
  1171. static void tg3_phy_fini(struct tg3 *tp)
  1172. {
  1173. if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
  1174. phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
  1175. tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
  1176. }
  1177. }
  1178. static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
  1179. {
  1180. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
  1181. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
  1182. }
  1183. static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
  1184. {
  1185. u32 phy;
  1186. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
  1187. (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  1188. return;
  1189. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1190. u32 ephy;
  1191. if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
  1192. tg3_writephy(tp, MII_TG3_EPHY_TEST,
  1193. ephy | MII_TG3_EPHY_SHADOW_EN);
  1194. if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
  1195. if (enable)
  1196. phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
  1197. else
  1198. phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
  1199. tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
  1200. }
  1201. tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
  1202. }
  1203. } else {
  1204. phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
  1205. MII_TG3_AUXCTL_SHDWSEL_MISC;
  1206. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
  1207. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
  1208. if (enable)
  1209. phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
  1210. else
  1211. phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
  1212. phy |= MII_TG3_AUXCTL_MISC_WREN;
  1213. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
  1214. }
  1215. }
  1216. }
  1217. static void tg3_phy_set_wirespeed(struct tg3 *tp)
  1218. {
  1219. u32 val;
  1220. if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
  1221. return;
  1222. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
  1223. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
  1224. tg3_writephy(tp, MII_TG3_AUX_CTRL,
  1225. (val | (1 << 15) | (1 << 4)));
  1226. }
  1227. static void tg3_phy_apply_otp(struct tg3 *tp)
  1228. {
  1229. u32 otp, phy;
  1230. if (!tp->phy_otp)
  1231. return;
  1232. otp = tp->phy_otp;
  1233. /* Enable SM_DSP clock and tx 6dB coding. */
  1234. phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
  1235. MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
  1236. MII_TG3_AUXCTL_ACTL_TX_6DB;
  1237. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
  1238. phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
  1239. phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
  1240. tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
  1241. phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
  1242. ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
  1243. tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
  1244. phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
  1245. phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
  1246. tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
  1247. phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
  1248. tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
  1249. phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
  1250. tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
  1251. phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
  1252. ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
  1253. tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
  1254. /* Turn off SM_DSP clock. */
  1255. phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
  1256. MII_TG3_AUXCTL_ACTL_TX_6DB;
  1257. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
  1258. }
  1259. static int tg3_wait_macro_done(struct tg3 *tp)
  1260. {
  1261. int limit = 100;
  1262. while (limit--) {
  1263. u32 tmp32;
  1264. if (!tg3_readphy(tp, 0x16, &tmp32)) {
  1265. if ((tmp32 & 0x1000) == 0)
  1266. break;
  1267. }
  1268. }
  1269. if (limit <= 0)
  1270. return -EBUSY;
  1271. return 0;
  1272. }
  1273. static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
  1274. {
  1275. static const u32 test_pat[4][6] = {
  1276. { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
  1277. { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
  1278. { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
  1279. { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
  1280. };
  1281. int chan;
  1282. for (chan = 0; chan < 4; chan++) {
  1283. int i;
  1284. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  1285. (chan * 0x2000) | 0x0200);
  1286. tg3_writephy(tp, 0x16, 0x0002);
  1287. for (i = 0; i < 6; i++)
  1288. tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
  1289. test_pat[chan][i]);
  1290. tg3_writephy(tp, 0x16, 0x0202);
  1291. if (tg3_wait_macro_done(tp)) {
  1292. *resetp = 1;
  1293. return -EBUSY;
  1294. }
  1295. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  1296. (chan * 0x2000) | 0x0200);
  1297. tg3_writephy(tp, 0x16, 0x0082);
  1298. if (tg3_wait_macro_done(tp)) {
  1299. *resetp = 1;
  1300. return -EBUSY;
  1301. }
  1302. tg3_writephy(tp, 0x16, 0x0802);
  1303. if (tg3_wait_macro_done(tp)) {
  1304. *resetp = 1;
  1305. return -EBUSY;
  1306. }
  1307. for (i = 0; i < 6; i += 2) {
  1308. u32 low, high;
  1309. if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
  1310. tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
  1311. tg3_wait_macro_done(tp)) {
  1312. *resetp = 1;
  1313. return -EBUSY;
  1314. }
  1315. low &= 0x7fff;
  1316. high &= 0x000f;
  1317. if (low != test_pat[chan][i] ||
  1318. high != test_pat[chan][i+1]) {
  1319. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
  1320. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
  1321. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
  1322. return -EBUSY;
  1323. }
  1324. }
  1325. }
  1326. return 0;
  1327. }
  1328. static int tg3_phy_reset_chanpat(struct tg3 *tp)
  1329. {
  1330. int chan;
  1331. for (chan = 0; chan < 4; chan++) {
  1332. int i;
  1333. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  1334. (chan * 0x2000) | 0x0200);
  1335. tg3_writephy(tp, 0x16, 0x0002);
  1336. for (i = 0; i < 6; i++)
  1337. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
  1338. tg3_writephy(tp, 0x16, 0x0202);
  1339. if (tg3_wait_macro_done(tp))
  1340. return -EBUSY;
  1341. }
  1342. return 0;
  1343. }
  1344. static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
  1345. {
  1346. u32 reg32, phy9_orig;
  1347. int retries, do_phy_reset, err;
  1348. retries = 10;
  1349. do_phy_reset = 1;
  1350. do {
  1351. if (do_phy_reset) {
  1352. err = tg3_bmcr_reset(tp);
  1353. if (err)
  1354. return err;
  1355. do_phy_reset = 0;
  1356. }
  1357. /* Disable transmitter and interrupt. */
  1358. if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
  1359. continue;
  1360. reg32 |= 0x3000;
  1361. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  1362. /* Set full-duplex, 1000 mbps. */
  1363. tg3_writephy(tp, MII_BMCR,
  1364. BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
  1365. /* Set to master mode. */
  1366. if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
  1367. continue;
  1368. tg3_writephy(tp, MII_TG3_CTRL,
  1369. (MII_TG3_CTRL_AS_MASTER |
  1370. MII_TG3_CTRL_ENABLE_AS_MASTER));
  1371. /* Enable SM_DSP_CLOCK and 6dB. */
  1372. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  1373. /* Block the PHY control access. */
  1374. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  1375. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
  1376. err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
  1377. if (!err)
  1378. break;
  1379. } while (--retries);
  1380. err = tg3_phy_reset_chanpat(tp);
  1381. if (err)
  1382. return err;
  1383. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  1384. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
  1385. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
  1386. tg3_writephy(tp, 0x16, 0x0000);
  1387. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1388. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  1389. /* Set Extended packet length bit for jumbo frames */
  1390. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
  1391. }
  1392. else {
  1393. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  1394. }
  1395. tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
  1396. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
  1397. reg32 &= ~0x3000;
  1398. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  1399. } else if (!err)
  1400. err = -EBUSY;
  1401. return err;
  1402. }
  1403. /* This will reset the tigon3 PHY if there is no valid
  1404. * link unless the FORCE argument is non-zero.
  1405. */
  1406. static int tg3_phy_reset(struct tg3 *tp)
  1407. {
  1408. u32 cpmuctrl;
  1409. u32 phy_status;
  1410. int err;
  1411. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1412. u32 val;
  1413. val = tr32(GRC_MISC_CFG);
  1414. tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
  1415. udelay(40);
  1416. }
  1417. err = tg3_readphy(tp, MII_BMSR, &phy_status);
  1418. err |= tg3_readphy(tp, MII_BMSR, &phy_status);
  1419. if (err != 0)
  1420. return -EBUSY;
  1421. if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
  1422. netif_carrier_off(tp->dev);
  1423. tg3_link_report(tp);
  1424. }
  1425. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1426. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1427. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  1428. err = tg3_phy_reset_5703_4_5(tp);
  1429. if (err)
  1430. return err;
  1431. goto out;
  1432. }
  1433. cpmuctrl = 0;
  1434. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
  1435. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
  1436. cpmuctrl = tr32(TG3_CPMU_CTRL);
  1437. if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
  1438. tw32(TG3_CPMU_CTRL,
  1439. cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
  1440. }
  1441. err = tg3_bmcr_reset(tp);
  1442. if (err)
  1443. return err;
  1444. if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
  1445. u32 phy;
  1446. phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
  1447. tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
  1448. tw32(TG3_CPMU_CTRL, cpmuctrl);
  1449. }
  1450. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
  1451. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
  1452. u32 val;
  1453. val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
  1454. if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
  1455. CPMU_LSPD_1000MB_MACCLK_12_5) {
  1456. val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
  1457. udelay(40);
  1458. tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
  1459. }
  1460. /* Disable GPHY autopowerdown. */
  1461. tg3_writephy(tp, MII_TG3_MISC_SHDW,
  1462. MII_TG3_MISC_SHDW_WREN |
  1463. MII_TG3_MISC_SHDW_APD_SEL |
  1464. MII_TG3_MISC_SHDW_APD_WKTM_84MS);
  1465. }
  1466. tg3_phy_apply_otp(tp);
  1467. out:
  1468. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
  1469. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  1470. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1471. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
  1472. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  1473. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
  1474. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  1475. }
  1476. if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
  1477. tg3_writephy(tp, 0x1c, 0x8d68);
  1478. tg3_writephy(tp, 0x1c, 0x8d68);
  1479. }
  1480. if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
  1481. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  1482. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  1483. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
  1484. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1485. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
  1486. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
  1487. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
  1488. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  1489. }
  1490. else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
  1491. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  1492. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  1493. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
  1494. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
  1495. tg3_writephy(tp, MII_TG3_TEST1,
  1496. MII_TG3_TEST1_TRIM_EN | 0x4);
  1497. } else
  1498. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
  1499. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  1500. }
  1501. /* Set Extended packet length bit (bit 14) on all chips that */
  1502. /* support jumbo frames */
  1503. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  1504. /* Cannot do read-modify-write on 5401 */
  1505. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  1506. } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  1507. u32 phy_reg;
  1508. /* Set bit 14 with read-modify-write to preserve other bits */
  1509. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
  1510. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
  1511. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
  1512. }
  1513. /* Set phy register 0x10 bit 0 to high fifo elasticity to support
  1514. * jumbo frames transmission.
  1515. */
  1516. if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  1517. u32 phy_reg;
  1518. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
  1519. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1520. phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
  1521. }
  1522. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1523. /* adjust output voltage */
  1524. tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
  1525. }
  1526. tg3_phy_toggle_automdix(tp, 1);
  1527. tg3_phy_set_wirespeed(tp);
  1528. return 0;
  1529. }
  1530. static void tg3_frob_aux_power(struct tg3 *tp)
  1531. {
  1532. struct tg3 *tp_peer = tp;
  1533. if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
  1534. return;
  1535. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  1536. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
  1537. struct net_device *dev_peer;
  1538. dev_peer = pci_get_drvdata(tp->pdev_peer);
  1539. /* remove_one() may have been run on the peer. */
  1540. if (!dev_peer)
  1541. tp_peer = tp;
  1542. else
  1543. tp_peer = netdev_priv(dev_peer);
  1544. }
  1545. if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  1546. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
  1547. (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  1548. (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  1549. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1550. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1551. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1552. (GRC_LCLCTRL_GPIO_OE0 |
  1553. GRC_LCLCTRL_GPIO_OE1 |
  1554. GRC_LCLCTRL_GPIO_OE2 |
  1555. GRC_LCLCTRL_GPIO_OUTPUT0 |
  1556. GRC_LCLCTRL_GPIO_OUTPUT1),
  1557. 100);
  1558. } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
  1559. /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
  1560. u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
  1561. GRC_LCLCTRL_GPIO_OE1 |
  1562. GRC_LCLCTRL_GPIO_OE2 |
  1563. GRC_LCLCTRL_GPIO_OUTPUT0 |
  1564. GRC_LCLCTRL_GPIO_OUTPUT1 |
  1565. tp->grc_local_ctrl;
  1566. tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
  1567. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
  1568. tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
  1569. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
  1570. tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
  1571. } else {
  1572. u32 no_gpio2;
  1573. u32 grc_local_ctrl = 0;
  1574. if (tp_peer != tp &&
  1575. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  1576. return;
  1577. /* Workaround to prevent overdrawing Amps. */
  1578. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  1579. ASIC_REV_5714) {
  1580. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  1581. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1582. grc_local_ctrl, 100);
  1583. }
  1584. /* On 5753 and variants, GPIO2 cannot be used. */
  1585. no_gpio2 = tp->nic_sram_data_cfg &
  1586. NIC_SRAM_DATA_CFG_NO_GPIO2;
  1587. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
  1588. GRC_LCLCTRL_GPIO_OE1 |
  1589. GRC_LCLCTRL_GPIO_OE2 |
  1590. GRC_LCLCTRL_GPIO_OUTPUT1 |
  1591. GRC_LCLCTRL_GPIO_OUTPUT2;
  1592. if (no_gpio2) {
  1593. grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
  1594. GRC_LCLCTRL_GPIO_OUTPUT2);
  1595. }
  1596. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1597. grc_local_ctrl, 100);
  1598. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
  1599. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1600. grc_local_ctrl, 100);
  1601. if (!no_gpio2) {
  1602. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
  1603. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1604. grc_local_ctrl, 100);
  1605. }
  1606. }
  1607. } else {
  1608. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  1609. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  1610. if (tp_peer != tp &&
  1611. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  1612. return;
  1613. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1614. (GRC_LCLCTRL_GPIO_OE1 |
  1615. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  1616. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1617. GRC_LCLCTRL_GPIO_OE1, 100);
  1618. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  1619. (GRC_LCLCTRL_GPIO_OE1 |
  1620. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  1621. }
  1622. }
  1623. }
  1624. static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
  1625. {
  1626. if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
  1627. return 1;
  1628. else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
  1629. if (speed != SPEED_10)
  1630. return 1;
  1631. } else if (speed == SPEED_10)
  1632. return 1;
  1633. return 0;
  1634. }
  1635. static int tg3_setup_phy(struct tg3 *, int);
  1636. #define RESET_KIND_SHUTDOWN 0
  1637. #define RESET_KIND_INIT 1
  1638. #define RESET_KIND_SUSPEND 2
  1639. static void tg3_write_sig_post_reset(struct tg3 *, int);
  1640. static int tg3_halt_cpu(struct tg3 *, u32);
  1641. static int tg3_nvram_lock(struct tg3 *);
  1642. static void tg3_nvram_unlock(struct tg3 *);
  1643. static void tg3_power_down_phy(struct tg3 *tp)
  1644. {
  1645. u32 val;
  1646. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  1647. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  1648. u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
  1649. u32 serdes_cfg = tr32(MAC_SERDES_CFG);
  1650. sg_dig_ctrl |=
  1651. SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
  1652. tw32(SG_DIG_CTRL, sg_dig_ctrl);
  1653. tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
  1654. }
  1655. return;
  1656. }
  1657. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1658. tg3_bmcr_reset(tp);
  1659. val = tr32(GRC_MISC_CFG);
  1660. tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
  1661. udelay(40);
  1662. return;
  1663. } else if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
  1664. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1665. MII_TG3_EXT_CTRL_FORCE_LED_OFF);
  1666. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
  1667. }
  1668. /* The PHY should not be powered down on some chips because
  1669. * of bugs.
  1670. */
  1671. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1672. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1673. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
  1674. (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
  1675. return;
  1676. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
  1677. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
  1678. val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
  1679. val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
  1680. val |= CPMU_LSPD_1000MB_MACCLK_12_5;
  1681. tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
  1682. }
  1683. tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
  1684. }
  1685. /* tp->lock is held. */
  1686. static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
  1687. {
  1688. u32 addr_high, addr_low;
  1689. int i;
  1690. addr_high = ((tp->dev->dev_addr[0] << 8) |
  1691. tp->dev->dev_addr[1]);
  1692. addr_low = ((tp->dev->dev_addr[2] << 24) |
  1693. (tp->dev->dev_addr[3] << 16) |
  1694. (tp->dev->dev_addr[4] << 8) |
  1695. (tp->dev->dev_addr[5] << 0));
  1696. for (i = 0; i < 4; i++) {
  1697. if (i == 1 && skip_mac_1)
  1698. continue;
  1699. tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
  1700. tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
  1701. }
  1702. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1703. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  1704. for (i = 0; i < 12; i++) {
  1705. tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
  1706. tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
  1707. }
  1708. }
  1709. addr_high = (tp->dev->dev_addr[0] +
  1710. tp->dev->dev_addr[1] +
  1711. tp->dev->dev_addr[2] +
  1712. tp->dev->dev_addr[3] +
  1713. tp->dev->dev_addr[4] +
  1714. tp->dev->dev_addr[5]) &
  1715. TX_BACKOFF_SEED_MASK;
  1716. tw32(MAC_TX_BACKOFF_SEED, addr_high);
  1717. }
  1718. static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
  1719. {
  1720. u32 misc_host_ctrl;
  1721. /* Make sure register accesses (indirect or otherwise)
  1722. * will function correctly.
  1723. */
  1724. pci_write_config_dword(tp->pdev,
  1725. TG3PCI_MISC_HOST_CTRL,
  1726. tp->misc_host_ctrl);
  1727. switch (state) {
  1728. case PCI_D0:
  1729. pci_enable_wake(tp->pdev, state, false);
  1730. pci_set_power_state(tp->pdev, PCI_D0);
  1731. /* Switch out of Vaux if it is a NIC */
  1732. if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
  1733. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
  1734. return 0;
  1735. case PCI_D1:
  1736. case PCI_D2:
  1737. case PCI_D3hot:
  1738. break;
  1739. default:
  1740. printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
  1741. tp->dev->name, state);
  1742. return -EINVAL;
  1743. }
  1744. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  1745. tw32(TG3PCI_MISC_HOST_CTRL,
  1746. misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
  1747. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  1748. if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
  1749. !tp->link_config.phy_is_low_power) {
  1750. struct phy_device *phydev;
  1751. u32 advertising;
  1752. phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  1753. tp->link_config.phy_is_low_power = 1;
  1754. tp->link_config.orig_speed = phydev->speed;
  1755. tp->link_config.orig_duplex = phydev->duplex;
  1756. tp->link_config.orig_autoneg = phydev->autoneg;
  1757. tp->link_config.orig_advertising = phydev->advertising;
  1758. advertising = ADVERTISED_TP |
  1759. ADVERTISED_Pause |
  1760. ADVERTISED_Autoneg |
  1761. ADVERTISED_10baseT_Half;
  1762. if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
  1763. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) {
  1764. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1765. advertising |=
  1766. ADVERTISED_100baseT_Half |
  1767. ADVERTISED_100baseT_Full |
  1768. ADVERTISED_10baseT_Full;
  1769. else
  1770. advertising |= ADVERTISED_10baseT_Full;
  1771. }
  1772. phydev->advertising = advertising;
  1773. phy_start_aneg(phydev);
  1774. }
  1775. } else {
  1776. if (tp->link_config.phy_is_low_power == 0) {
  1777. tp->link_config.phy_is_low_power = 1;
  1778. tp->link_config.orig_speed = tp->link_config.speed;
  1779. tp->link_config.orig_duplex = tp->link_config.duplex;
  1780. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  1781. }
  1782. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  1783. tp->link_config.speed = SPEED_10;
  1784. tp->link_config.duplex = DUPLEX_HALF;
  1785. tp->link_config.autoneg = AUTONEG_ENABLE;
  1786. tg3_setup_phy(tp, 0);
  1787. }
  1788. }
  1789. __tg3_set_mac_addr(tp, 0);
  1790. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1791. u32 val;
  1792. val = tr32(GRC_VCPU_EXT_CTRL);
  1793. tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
  1794. } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1795. int i;
  1796. u32 val;
  1797. for (i = 0; i < 200; i++) {
  1798. tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
  1799. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  1800. break;
  1801. msleep(1);
  1802. }
  1803. }
  1804. if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
  1805. tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
  1806. WOL_DRV_STATE_SHUTDOWN |
  1807. WOL_DRV_WOL |
  1808. WOL_SET_MAGIC_PKT);
  1809. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
  1810. u32 mac_mode;
  1811. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  1812. if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
  1813. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
  1814. udelay(40);
  1815. }
  1816. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  1817. mac_mode = MAC_MODE_PORT_MODE_GMII;
  1818. else
  1819. mac_mode = MAC_MODE_PORT_MODE_MII;
  1820. mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
  1821. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  1822. ASIC_REV_5700) {
  1823. u32 speed = (tp->tg3_flags &
  1824. TG3_FLAG_WOL_SPEED_100MB) ?
  1825. SPEED_100 : SPEED_10;
  1826. if (tg3_5700_link_polarity(tp, speed))
  1827. mac_mode |= MAC_MODE_LINK_POLARITY;
  1828. else
  1829. mac_mode &= ~MAC_MODE_LINK_POLARITY;
  1830. }
  1831. } else {
  1832. mac_mode = MAC_MODE_PORT_MODE_TBI;
  1833. }
  1834. if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  1835. tw32(MAC_LED_CTRL, tp->led_ctrl);
  1836. if (pci_pme_capable(tp->pdev, state) &&
  1837. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) {
  1838. mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
  1839. if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  1840. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
  1841. ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
  1842. (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
  1843. mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
  1844. }
  1845. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
  1846. mac_mode |= tp->mac_mode &
  1847. (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
  1848. if (mac_mode & MAC_MODE_APE_TX_EN)
  1849. mac_mode |= MAC_MODE_TDE_ENABLE;
  1850. }
  1851. tw32_f(MAC_MODE, mac_mode);
  1852. udelay(100);
  1853. tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
  1854. udelay(10);
  1855. }
  1856. if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
  1857. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1858. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  1859. u32 base_val;
  1860. base_val = tp->pci_clock_ctrl;
  1861. base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
  1862. CLOCK_CTRL_TXCLK_DISABLE);
  1863. tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
  1864. CLOCK_CTRL_PWRDOWN_PLL133, 40);
  1865. } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
  1866. (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
  1867. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
  1868. /* do nothing */
  1869. } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  1870. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
  1871. u32 newbits1, newbits2;
  1872. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1873. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1874. newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
  1875. CLOCK_CTRL_TXCLK_DISABLE |
  1876. CLOCK_CTRL_ALTCLK);
  1877. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1878. } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  1879. newbits1 = CLOCK_CTRL_625_CORE;
  1880. newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
  1881. } else {
  1882. newbits1 = CLOCK_CTRL_ALTCLK;
  1883. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1884. }
  1885. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
  1886. 40);
  1887. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
  1888. 40);
  1889. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  1890. u32 newbits3;
  1891. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1892. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1893. newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
  1894. CLOCK_CTRL_TXCLK_DISABLE |
  1895. CLOCK_CTRL_44MHZ_CORE);
  1896. } else {
  1897. newbits3 = CLOCK_CTRL_44MHZ_CORE;
  1898. }
  1899. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  1900. tp->pci_clock_ctrl | newbits3, 40);
  1901. }
  1902. }
  1903. if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
  1904. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
  1905. !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
  1906. tg3_power_down_phy(tp);
  1907. tg3_frob_aux_power(tp);
  1908. /* Workaround for unstable PLL clock */
  1909. if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  1910. (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  1911. u32 val = tr32(0x7d00);
  1912. val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  1913. tw32(0x7d00, val);
  1914. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1915. int err;
  1916. err = tg3_nvram_lock(tp);
  1917. tg3_halt_cpu(tp, RX_CPU_BASE);
  1918. if (!err)
  1919. tg3_nvram_unlock(tp);
  1920. }
  1921. }
  1922. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  1923. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  1924. pci_enable_wake(tp->pdev, state, true);
  1925. /* Finally, set the new power state. */
  1926. pci_set_power_state(tp->pdev, state);
  1927. return 0;
  1928. }
  1929. static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
  1930. {
  1931. switch (val & MII_TG3_AUX_STAT_SPDMASK) {
  1932. case MII_TG3_AUX_STAT_10HALF:
  1933. *speed = SPEED_10;
  1934. *duplex = DUPLEX_HALF;
  1935. break;
  1936. case MII_TG3_AUX_STAT_10FULL:
  1937. *speed = SPEED_10;
  1938. *duplex = DUPLEX_FULL;
  1939. break;
  1940. case MII_TG3_AUX_STAT_100HALF:
  1941. *speed = SPEED_100;
  1942. *duplex = DUPLEX_HALF;
  1943. break;
  1944. case MII_TG3_AUX_STAT_100FULL:
  1945. *speed = SPEED_100;
  1946. *duplex = DUPLEX_FULL;
  1947. break;
  1948. case MII_TG3_AUX_STAT_1000HALF:
  1949. *speed = SPEED_1000;
  1950. *duplex = DUPLEX_HALF;
  1951. break;
  1952. case MII_TG3_AUX_STAT_1000FULL:
  1953. *speed = SPEED_1000;
  1954. *duplex = DUPLEX_FULL;
  1955. break;
  1956. default:
  1957. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1958. *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
  1959. SPEED_10;
  1960. *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
  1961. DUPLEX_HALF;
  1962. break;
  1963. }
  1964. *speed = SPEED_INVALID;
  1965. *duplex = DUPLEX_INVALID;
  1966. break;
  1967. }
  1968. }
  1969. static void tg3_phy_copper_begin(struct tg3 *tp)
  1970. {
  1971. u32 new_adv;
  1972. int i;
  1973. if (tp->link_config.phy_is_low_power) {
  1974. /* Entering low power mode. Disable gigabit and
  1975. * 100baseT advertisements.
  1976. */
  1977. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1978. new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1979. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1980. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1981. new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
  1982. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1983. } else if (tp->link_config.speed == SPEED_INVALID) {
  1984. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  1985. tp->link_config.advertising &=
  1986. ~(ADVERTISED_1000baseT_Half |
  1987. ADVERTISED_1000baseT_Full);
  1988. new_adv = ADVERTISE_CSMA;
  1989. if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
  1990. new_adv |= ADVERTISE_10HALF;
  1991. if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
  1992. new_adv |= ADVERTISE_10FULL;
  1993. if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
  1994. new_adv |= ADVERTISE_100HALF;
  1995. if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
  1996. new_adv |= ADVERTISE_100FULL;
  1997. new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
  1998. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1999. if (tp->link_config.advertising &
  2000. (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
  2001. new_adv = 0;
  2002. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  2003. new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
  2004. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  2005. new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
  2006. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
  2007. (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  2008. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
  2009. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  2010. MII_TG3_CTRL_ENABLE_AS_MASTER);
  2011. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  2012. } else {
  2013. tg3_writephy(tp, MII_TG3_CTRL, 0);
  2014. }
  2015. } else {
  2016. new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
  2017. new_adv |= ADVERTISE_CSMA;
  2018. /* Asking for a specific link mode. */
  2019. if (tp->link_config.speed == SPEED_1000) {
  2020. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  2021. if (tp->link_config.duplex == DUPLEX_FULL)
  2022. new_adv = MII_TG3_CTRL_ADV_1000_FULL;
  2023. else
  2024. new_adv = MII_TG3_CTRL_ADV_1000_HALF;
  2025. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  2026. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  2027. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  2028. MII_TG3_CTRL_ENABLE_AS_MASTER);
  2029. } else {
  2030. if (tp->link_config.speed == SPEED_100) {
  2031. if (tp->link_config.duplex == DUPLEX_FULL)
  2032. new_adv |= ADVERTISE_100FULL;
  2033. else
  2034. new_adv |= ADVERTISE_100HALF;
  2035. } else {
  2036. if (tp->link_config.duplex == DUPLEX_FULL)
  2037. new_adv |= ADVERTISE_10FULL;
  2038. else
  2039. new_adv |= ADVERTISE_10HALF;
  2040. }
  2041. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  2042. new_adv = 0;
  2043. }
  2044. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  2045. }
  2046. if (tp->link_config.autoneg == AUTONEG_DISABLE &&
  2047. tp->link_config.speed != SPEED_INVALID) {
  2048. u32 bmcr, orig_bmcr;
  2049. tp->link_config.active_speed = tp->link_config.speed;
  2050. tp->link_config.active_duplex = tp->link_config.duplex;
  2051. bmcr = 0;
  2052. switch (tp->link_config.speed) {
  2053. default:
  2054. case SPEED_10:
  2055. break;
  2056. case SPEED_100:
  2057. bmcr |= BMCR_SPEED100;
  2058. break;
  2059. case SPEED_1000:
  2060. bmcr |= TG3_BMCR_SPEED1000;
  2061. break;
  2062. }
  2063. if (tp->link_config.duplex == DUPLEX_FULL)
  2064. bmcr |= BMCR_FULLDPLX;
  2065. if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
  2066. (bmcr != orig_bmcr)) {
  2067. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
  2068. for (i = 0; i < 1500; i++) {
  2069. u32 tmp;
  2070. udelay(10);
  2071. if (tg3_readphy(tp, MII_BMSR, &tmp) ||
  2072. tg3_readphy(tp, MII_BMSR, &tmp))
  2073. continue;
  2074. if (!(tmp & BMSR_LSTATUS)) {
  2075. udelay(40);
  2076. break;
  2077. }
  2078. }
  2079. tg3_writephy(tp, MII_BMCR, bmcr);
  2080. udelay(40);
  2081. }
  2082. } else {
  2083. tg3_writephy(tp, MII_BMCR,
  2084. BMCR_ANENABLE | BMCR_ANRESTART);
  2085. }
  2086. }
  2087. static int tg3_init_5401phy_dsp(struct tg3 *tp)
  2088. {
  2089. int err;
  2090. /* Turn off tap power management. */
  2091. /* Set Extended packet length bit */
  2092. err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  2093. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
  2094. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
  2095. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
  2096. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
  2097. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  2098. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
  2099. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  2100. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
  2101. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  2102. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
  2103. udelay(40);
  2104. return err;
  2105. }
  2106. static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
  2107. {
  2108. u32 adv_reg, all_mask = 0;
  2109. if (mask & ADVERTISED_10baseT_Half)
  2110. all_mask |= ADVERTISE_10HALF;
  2111. if (mask & ADVERTISED_10baseT_Full)
  2112. all_mask |= ADVERTISE_10FULL;
  2113. if (mask & ADVERTISED_100baseT_Half)
  2114. all_mask |= ADVERTISE_100HALF;
  2115. if (mask & ADVERTISED_100baseT_Full)
  2116. all_mask |= ADVERTISE_100FULL;
  2117. if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
  2118. return 0;
  2119. if ((adv_reg & all_mask) != all_mask)
  2120. return 0;
  2121. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  2122. u32 tg3_ctrl;
  2123. all_mask = 0;
  2124. if (mask & ADVERTISED_1000baseT_Half)
  2125. all_mask |= ADVERTISE_1000HALF;
  2126. if (mask & ADVERTISED_1000baseT_Full)
  2127. all_mask |= ADVERTISE_1000FULL;
  2128. if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
  2129. return 0;
  2130. if ((tg3_ctrl & all_mask) != all_mask)
  2131. return 0;
  2132. }
  2133. return 1;
  2134. }
  2135. static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
  2136. {
  2137. u32 curadv, reqadv;
  2138. if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
  2139. return 1;
  2140. curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
  2141. reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
  2142. if (tp->link_config.active_duplex == DUPLEX_FULL) {
  2143. if (curadv != reqadv)
  2144. return 0;
  2145. if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
  2146. tg3_readphy(tp, MII_LPA, rmtadv);
  2147. } else {
  2148. /* Reprogram the advertisement register, even if it
  2149. * does not affect the current link. If the link
  2150. * gets renegotiated in the future, we can save an
  2151. * additional renegotiation cycle by advertising
  2152. * it correctly in the first place.
  2153. */
  2154. if (curadv != reqadv) {
  2155. *lcladv &= ~(ADVERTISE_PAUSE_CAP |
  2156. ADVERTISE_PAUSE_ASYM);
  2157. tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
  2158. }
  2159. }
  2160. return 1;
  2161. }
  2162. static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
  2163. {
  2164. int current_link_up;
  2165. u32 bmsr, dummy;
  2166. u32 lcl_adv, rmt_adv;
  2167. u16 current_speed;
  2168. u8 current_duplex;
  2169. int i, err;
  2170. tw32(MAC_EVENT, 0);
  2171. tw32_f(MAC_STATUS,
  2172. (MAC_STATUS_SYNC_CHANGED |
  2173. MAC_STATUS_CFG_CHANGED |
  2174. MAC_STATUS_MI_COMPLETION |
  2175. MAC_STATUS_LNKSTATE_CHANGED));
  2176. udelay(40);
  2177. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  2178. tw32_f(MAC_MI_MODE,
  2179. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  2180. udelay(80);
  2181. }
  2182. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
  2183. /* Some third-party PHYs need to be reset on link going
  2184. * down.
  2185. */
  2186. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  2187. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  2188. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  2189. netif_carrier_ok(tp->dev)) {
  2190. tg3_readphy(tp, MII_BMSR, &bmsr);
  2191. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  2192. !(bmsr & BMSR_LSTATUS))
  2193. force_reset = 1;
  2194. }
  2195. if (force_reset)
  2196. tg3_phy_reset(tp);
  2197. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  2198. tg3_readphy(tp, MII_BMSR, &bmsr);
  2199. if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
  2200. !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
  2201. bmsr = 0;
  2202. if (!(bmsr & BMSR_LSTATUS)) {
  2203. err = tg3_init_5401phy_dsp(tp);
  2204. if (err)
  2205. return err;
  2206. tg3_readphy(tp, MII_BMSR, &bmsr);
  2207. for (i = 0; i < 1000; i++) {
  2208. udelay(10);
  2209. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  2210. (bmsr & BMSR_LSTATUS)) {
  2211. udelay(40);
  2212. break;
  2213. }
  2214. }
  2215. if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
  2216. !(bmsr & BMSR_LSTATUS) &&
  2217. tp->link_config.active_speed == SPEED_1000) {
  2218. err = tg3_phy_reset(tp);
  2219. if (!err)
  2220. err = tg3_init_5401phy_dsp(tp);
  2221. if (err)
  2222. return err;
  2223. }
  2224. }
  2225. } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  2226. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
  2227. /* 5701 {A0,B0} CRC bug workaround */
  2228. tg3_writephy(tp, 0x15, 0x0a75);
  2229. tg3_writephy(tp, 0x1c, 0x8c68);
  2230. tg3_writephy(tp, 0x1c, 0x8d68);
  2231. tg3_writephy(tp, 0x1c, 0x8c68);
  2232. }
  2233. /* Clear pending interrupts... */
  2234. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  2235. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  2236. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
  2237. tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
  2238. else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
  2239. tg3_writephy(tp, MII_TG3_IMASK, ~0);
  2240. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  2241. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  2242. if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
  2243. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  2244. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  2245. else
  2246. tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
  2247. }
  2248. current_link_up = 0;
  2249. current_speed = SPEED_INVALID;
  2250. current_duplex = DUPLEX_INVALID;
  2251. if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
  2252. u32 val;
  2253. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
  2254. tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
  2255. if (!(val & (1 << 10))) {
  2256. val |= (1 << 10);
  2257. tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
  2258. goto relink;
  2259. }
  2260. }
  2261. bmsr = 0;
  2262. for (i = 0; i < 100; i++) {
  2263. tg3_readphy(tp, MII_BMSR, &bmsr);
  2264. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  2265. (bmsr & BMSR_LSTATUS))
  2266. break;
  2267. udelay(40);
  2268. }
  2269. if (bmsr & BMSR_LSTATUS) {
  2270. u32 aux_stat, bmcr;
  2271. tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
  2272. for (i = 0; i < 2000; i++) {
  2273. udelay(10);
  2274. if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
  2275. aux_stat)
  2276. break;
  2277. }
  2278. tg3_aux_stat_to_speed_duplex(tp, aux_stat,
  2279. &current_speed,
  2280. &current_duplex);
  2281. bmcr = 0;
  2282. for (i = 0; i < 200; i++) {
  2283. tg3_readphy(tp, MII_BMCR, &bmcr);
  2284. if (tg3_readphy(tp, MII_BMCR, &bmcr))
  2285. continue;
  2286. if (bmcr && bmcr != 0x7fff)
  2287. break;
  2288. udelay(10);
  2289. }
  2290. lcl_adv = 0;
  2291. rmt_adv = 0;
  2292. tp->link_config.active_speed = current_speed;
  2293. tp->link_config.active_duplex = current_duplex;
  2294. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2295. if ((bmcr & BMCR_ANENABLE) &&
  2296. tg3_copper_is_advertising_all(tp,
  2297. tp->link_config.advertising)) {
  2298. if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
  2299. &rmt_adv))
  2300. current_link_up = 1;
  2301. }
  2302. } else {
  2303. if (!(bmcr & BMCR_ANENABLE) &&
  2304. tp->link_config.speed == current_speed &&
  2305. tp->link_config.duplex == current_duplex &&
  2306. tp->link_config.flowctrl ==
  2307. tp->link_config.active_flowctrl) {
  2308. current_link_up = 1;
  2309. }
  2310. }
  2311. if (current_link_up == 1 &&
  2312. tp->link_config.active_duplex == DUPLEX_FULL)
  2313. tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
  2314. }
  2315. relink:
  2316. if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
  2317. u32 tmp;
  2318. tg3_phy_copper_begin(tp);
  2319. tg3_readphy(tp, MII_BMSR, &tmp);
  2320. if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
  2321. (tmp & BMSR_LSTATUS))
  2322. current_link_up = 1;
  2323. }
  2324. tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
  2325. if (current_link_up == 1) {
  2326. if (tp->link_config.active_speed == SPEED_100 ||
  2327. tp->link_config.active_speed == SPEED_10)
  2328. tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
  2329. else
  2330. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  2331. } else
  2332. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  2333. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  2334. if (tp->link_config.active_duplex == DUPLEX_HALF)
  2335. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  2336. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  2337. if (current_link_up == 1 &&
  2338. tg3_5700_link_polarity(tp, tp->link_config.active_speed))
  2339. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  2340. else
  2341. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  2342. }
  2343. /* ??? Without this setting Netgear GA302T PHY does not
  2344. * ??? send/receive packets...
  2345. */
  2346. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
  2347. tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
  2348. tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
  2349. tw32_f(MAC_MI_MODE, tp->mi_mode);
  2350. udelay(80);
  2351. }
  2352. tw32_f(MAC_MODE, tp->mac_mode);
  2353. udelay(40);
  2354. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  2355. /* Polled via timer. */
  2356. tw32_f(MAC_EVENT, 0);
  2357. } else {
  2358. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2359. }
  2360. udelay(40);
  2361. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
  2362. current_link_up == 1 &&
  2363. tp->link_config.active_speed == SPEED_1000 &&
  2364. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
  2365. (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
  2366. udelay(120);
  2367. tw32_f(MAC_STATUS,
  2368. (MAC_STATUS_SYNC_CHANGED |
  2369. MAC_STATUS_CFG_CHANGED));
  2370. udelay(40);
  2371. tg3_write_mem(tp,
  2372. NIC_SRAM_FIRMWARE_MBOX,
  2373. NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
  2374. }
  2375. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2376. if (current_link_up)
  2377. netif_carrier_on(tp->dev);
  2378. else
  2379. netif_carrier_off(tp->dev);
  2380. tg3_link_report(tp);
  2381. }
  2382. return 0;
  2383. }
  2384. struct tg3_fiber_aneginfo {
  2385. int state;
  2386. #define ANEG_STATE_UNKNOWN 0
  2387. #define ANEG_STATE_AN_ENABLE 1
  2388. #define ANEG_STATE_RESTART_INIT 2
  2389. #define ANEG_STATE_RESTART 3
  2390. #define ANEG_STATE_DISABLE_LINK_OK 4
  2391. #define ANEG_STATE_ABILITY_DETECT_INIT 5
  2392. #define ANEG_STATE_ABILITY_DETECT 6
  2393. #define ANEG_STATE_ACK_DETECT_INIT 7
  2394. #define ANEG_STATE_ACK_DETECT 8
  2395. #define ANEG_STATE_COMPLETE_ACK_INIT 9
  2396. #define ANEG_STATE_COMPLETE_ACK 10
  2397. #define ANEG_STATE_IDLE_DETECT_INIT 11
  2398. #define ANEG_STATE_IDLE_DETECT 12
  2399. #define ANEG_STATE_LINK_OK 13
  2400. #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
  2401. #define ANEG_STATE_NEXT_PAGE_WAIT 15
  2402. u32 flags;
  2403. #define MR_AN_ENABLE 0x00000001
  2404. #define MR_RESTART_AN 0x00000002
  2405. #define MR_AN_COMPLETE 0x00000004
  2406. #define MR_PAGE_RX 0x00000008
  2407. #define MR_NP_LOADED 0x00000010
  2408. #define MR_TOGGLE_TX 0x00000020
  2409. #define MR_LP_ADV_FULL_DUPLEX 0x00000040
  2410. #define MR_LP_ADV_HALF_DUPLEX 0x00000080
  2411. #define MR_LP_ADV_SYM_PAUSE 0x00000100
  2412. #define MR_LP_ADV_ASYM_PAUSE 0x00000200
  2413. #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
  2414. #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
  2415. #define MR_LP_ADV_NEXT_PAGE 0x00001000
  2416. #define MR_TOGGLE_RX 0x00002000
  2417. #define MR_NP_RX 0x00004000
  2418. #define MR_LINK_OK 0x80000000
  2419. unsigned long link_time, cur_time;
  2420. u32 ability_match_cfg;
  2421. int ability_match_count;
  2422. char ability_match, idle_match, ack_match;
  2423. u32 txconfig, rxconfig;
  2424. #define ANEG_CFG_NP 0x00000080
  2425. #define ANEG_CFG_ACK 0x00000040
  2426. #define ANEG_CFG_RF2 0x00000020
  2427. #define ANEG_CFG_RF1 0x00000010
  2428. #define ANEG_CFG_PS2 0x00000001
  2429. #define ANEG_CFG_PS1 0x00008000
  2430. #define ANEG_CFG_HD 0x00004000
  2431. #define ANEG_CFG_FD 0x00002000
  2432. #define ANEG_CFG_INVAL 0x00001f06
  2433. };
  2434. #define ANEG_OK 0
  2435. #define ANEG_DONE 1
  2436. #define ANEG_TIMER_ENAB 2
  2437. #define ANEG_FAILED -1
  2438. #define ANEG_STATE_SETTLE_TIME 10000
  2439. static int tg3_fiber_aneg_smachine(struct tg3 *tp,
  2440. struct tg3_fiber_aneginfo *ap)
  2441. {
  2442. u16 flowctrl;
  2443. unsigned long delta;
  2444. u32 rx_cfg_reg;
  2445. int ret;
  2446. if (ap->state == ANEG_STATE_UNKNOWN) {
  2447. ap->rxconfig = 0;
  2448. ap->link_time = 0;
  2449. ap->cur_time = 0;
  2450. ap->ability_match_cfg = 0;
  2451. ap->ability_match_count = 0;
  2452. ap->ability_match = 0;
  2453. ap->idle_match = 0;
  2454. ap->ack_match = 0;
  2455. }
  2456. ap->cur_time++;
  2457. if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
  2458. rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
  2459. if (rx_cfg_reg != ap->ability_match_cfg) {
  2460. ap->ability_match_cfg = rx_cfg_reg;
  2461. ap->ability_match = 0;
  2462. ap->ability_match_count = 0;
  2463. } else {
  2464. if (++ap->ability_match_count > 1) {
  2465. ap->ability_match = 1;
  2466. ap->ability_match_cfg = rx_cfg_reg;
  2467. }
  2468. }
  2469. if (rx_cfg_reg & ANEG_CFG_ACK)
  2470. ap->ack_match = 1;
  2471. else
  2472. ap->ack_match = 0;
  2473. ap->idle_match = 0;
  2474. } else {
  2475. ap->idle_match = 1;
  2476. ap->ability_match_cfg = 0;
  2477. ap->ability_match_count = 0;
  2478. ap->ability_match = 0;
  2479. ap->ack_match = 0;
  2480. rx_cfg_reg = 0;
  2481. }
  2482. ap->rxconfig = rx_cfg_reg;
  2483. ret = ANEG_OK;
  2484. switch(ap->state) {
  2485. case ANEG_STATE_UNKNOWN:
  2486. if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
  2487. ap->state = ANEG_STATE_AN_ENABLE;
  2488. /* fallthru */
  2489. case ANEG_STATE_AN_ENABLE:
  2490. ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
  2491. if (ap->flags & MR_AN_ENABLE) {
  2492. ap->link_time = 0;
  2493. ap->cur_time = 0;
  2494. ap->ability_match_cfg = 0;
  2495. ap->ability_match_count = 0;
  2496. ap->ability_match = 0;
  2497. ap->idle_match = 0;
  2498. ap->ack_match = 0;
  2499. ap->state = ANEG_STATE_RESTART_INIT;
  2500. } else {
  2501. ap->state = ANEG_STATE_DISABLE_LINK_OK;
  2502. }
  2503. break;
  2504. case ANEG_STATE_RESTART_INIT:
  2505. ap->link_time = ap->cur_time;
  2506. ap->flags &= ~(MR_NP_LOADED);
  2507. ap->txconfig = 0;
  2508. tw32(MAC_TX_AUTO_NEG, 0);
  2509. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  2510. tw32_f(MAC_MODE, tp->mac_mode);
  2511. udelay(40);
  2512. ret = ANEG_TIMER_ENAB;
  2513. ap->state = ANEG_STATE_RESTART;
  2514. /* fallthru */
  2515. case ANEG_STATE_RESTART:
  2516. delta = ap->cur_time - ap->link_time;
  2517. if (delta > ANEG_STATE_SETTLE_TIME) {
  2518. ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
  2519. } else {
  2520. ret = ANEG_TIMER_ENAB;
  2521. }
  2522. break;
  2523. case ANEG_STATE_DISABLE_LINK_OK:
  2524. ret = ANEG_DONE;
  2525. break;
  2526. case ANEG_STATE_ABILITY_DETECT_INIT:
  2527. ap->flags &= ~(MR_TOGGLE_TX);
  2528. ap->txconfig = ANEG_CFG_FD;
  2529. flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
  2530. if (flowctrl & ADVERTISE_1000XPAUSE)
  2531. ap->txconfig |= ANEG_CFG_PS1;
  2532. if (flowctrl & ADVERTISE_1000XPSE_ASYM)
  2533. ap->txconfig |= ANEG_CFG_PS2;
  2534. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  2535. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  2536. tw32_f(MAC_MODE, tp->mac_mode);
  2537. udelay(40);
  2538. ap->state = ANEG_STATE_ABILITY_DETECT;
  2539. break;
  2540. case ANEG_STATE_ABILITY_DETECT:
  2541. if (ap->ability_match != 0 && ap->rxconfig != 0) {
  2542. ap->state = ANEG_STATE_ACK_DETECT_INIT;
  2543. }
  2544. break;
  2545. case ANEG_STATE_ACK_DETECT_INIT:
  2546. ap->txconfig |= ANEG_CFG_ACK;
  2547. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  2548. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  2549. tw32_f(MAC_MODE, tp->mac_mode);
  2550. udelay(40);
  2551. ap->state = ANEG_STATE_ACK_DETECT;
  2552. /* fallthru */
  2553. case ANEG_STATE_ACK_DETECT:
  2554. if (ap->ack_match != 0) {
  2555. if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
  2556. (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
  2557. ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
  2558. } else {
  2559. ap->state = ANEG_STATE_AN_ENABLE;
  2560. }
  2561. } else if (ap->ability_match != 0 &&
  2562. ap->rxconfig == 0) {
  2563. ap->state = ANEG_STATE_AN_ENABLE;
  2564. }
  2565. break;
  2566. case ANEG_STATE_COMPLETE_ACK_INIT:
  2567. if (ap->rxconfig & ANEG_CFG_INVAL) {
  2568. ret = ANEG_FAILED;
  2569. break;
  2570. }
  2571. ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
  2572. MR_LP_ADV_HALF_DUPLEX |
  2573. MR_LP_ADV_SYM_PAUSE |
  2574. MR_LP_ADV_ASYM_PAUSE |
  2575. MR_LP_ADV_REMOTE_FAULT1 |
  2576. MR_LP_ADV_REMOTE_FAULT2 |
  2577. MR_LP_ADV_NEXT_PAGE |
  2578. MR_TOGGLE_RX |
  2579. MR_NP_RX);
  2580. if (ap->rxconfig & ANEG_CFG_FD)
  2581. ap->flags |= MR_LP_ADV_FULL_DUPLEX;
  2582. if (ap->rxconfig & ANEG_CFG_HD)
  2583. ap->flags |= MR_LP_ADV_HALF_DUPLEX;
  2584. if (ap->rxconfig & ANEG_CFG_PS1)
  2585. ap->flags |= MR_LP_ADV_SYM_PAUSE;
  2586. if (ap->rxconfig & ANEG_CFG_PS2)
  2587. ap->flags |= MR_LP_ADV_ASYM_PAUSE;
  2588. if (ap->rxconfig & ANEG_CFG_RF1)
  2589. ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
  2590. if (ap->rxconfig & ANEG_CFG_RF2)
  2591. ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
  2592. if (ap->rxconfig & ANEG_CFG_NP)
  2593. ap->flags |= MR_LP_ADV_NEXT_PAGE;
  2594. ap->link_time = ap->cur_time;
  2595. ap->flags ^= (MR_TOGGLE_TX);
  2596. if (ap->rxconfig & 0x0008)
  2597. ap->flags |= MR_TOGGLE_RX;
  2598. if (ap->rxconfig & ANEG_CFG_NP)
  2599. ap->flags |= MR_NP_RX;
  2600. ap->flags |= MR_PAGE_RX;
  2601. ap->state = ANEG_STATE_COMPLETE_ACK;
  2602. ret = ANEG_TIMER_ENAB;
  2603. break;
  2604. case ANEG_STATE_COMPLETE_ACK:
  2605. if (ap->ability_match != 0 &&
  2606. ap->rxconfig == 0) {
  2607. ap->state = ANEG_STATE_AN_ENABLE;
  2608. break;
  2609. }
  2610. delta = ap->cur_time - ap->link_time;
  2611. if (delta > ANEG_STATE_SETTLE_TIME) {
  2612. if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
  2613. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  2614. } else {
  2615. if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
  2616. !(ap->flags & MR_NP_RX)) {
  2617. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  2618. } else {
  2619. ret = ANEG_FAILED;
  2620. }
  2621. }
  2622. }
  2623. break;
  2624. case ANEG_STATE_IDLE_DETECT_INIT:
  2625. ap->link_time = ap->cur_time;
  2626. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  2627. tw32_f(MAC_MODE, tp->mac_mode);
  2628. udelay(40);
  2629. ap->state = ANEG_STATE_IDLE_DETECT;
  2630. ret = ANEG_TIMER_ENAB;
  2631. break;
  2632. case ANEG_STATE_IDLE_DETECT:
  2633. if (ap->ability_match != 0 &&
  2634. ap->rxconfig == 0) {
  2635. ap->state = ANEG_STATE_AN_ENABLE;
  2636. break;
  2637. }
  2638. delta = ap->cur_time - ap->link_time;
  2639. if (delta > ANEG_STATE_SETTLE_TIME) {
  2640. /* XXX another gem from the Broadcom driver :( */
  2641. ap->state = ANEG_STATE_LINK_OK;
  2642. }
  2643. break;
  2644. case ANEG_STATE_LINK_OK:
  2645. ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
  2646. ret = ANEG_DONE;
  2647. break;
  2648. case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
  2649. /* ??? unimplemented */
  2650. break;
  2651. case ANEG_STATE_NEXT_PAGE_WAIT:
  2652. /* ??? unimplemented */
  2653. break;
  2654. default:
  2655. ret = ANEG_FAILED;
  2656. break;
  2657. }
  2658. return ret;
  2659. }
  2660. static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
  2661. {
  2662. int res = 0;
  2663. struct tg3_fiber_aneginfo aninfo;
  2664. int status = ANEG_FAILED;
  2665. unsigned int tick;
  2666. u32 tmp;
  2667. tw32_f(MAC_TX_AUTO_NEG, 0);
  2668. tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  2669. tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
  2670. udelay(40);
  2671. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
  2672. udelay(40);
  2673. memset(&aninfo, 0, sizeof(aninfo));
  2674. aninfo.flags |= MR_AN_ENABLE;
  2675. aninfo.state = ANEG_STATE_UNKNOWN;
  2676. aninfo.cur_time = 0;
  2677. tick = 0;
  2678. while (++tick < 195000) {
  2679. status = tg3_fiber_aneg_smachine(tp, &aninfo);
  2680. if (status == ANEG_DONE || status == ANEG_FAILED)
  2681. break;
  2682. udelay(1);
  2683. }
  2684. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  2685. tw32_f(MAC_MODE, tp->mac_mode);
  2686. udelay(40);
  2687. *txflags = aninfo.txconfig;
  2688. *rxflags = aninfo.flags;
  2689. if (status == ANEG_DONE &&
  2690. (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
  2691. MR_LP_ADV_FULL_DUPLEX)))
  2692. res = 1;
  2693. return res;
  2694. }
  2695. static void tg3_init_bcm8002(struct tg3 *tp)
  2696. {
  2697. u32 mac_status = tr32(MAC_STATUS);
  2698. int i;
  2699. /* Reset when initting first time or we have a link. */
  2700. if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
  2701. !(mac_status & MAC_STATUS_PCS_SYNCED))
  2702. return;
  2703. /* Set PLL lock range. */
  2704. tg3_writephy(tp, 0x16, 0x8007);
  2705. /* SW reset */
  2706. tg3_writephy(tp, MII_BMCR, BMCR_RESET);
  2707. /* Wait for reset to complete. */
  2708. /* XXX schedule_timeout() ... */
  2709. for (i = 0; i < 500; i++)
  2710. udelay(10);
  2711. /* Config mode; select PMA/Ch 1 regs. */
  2712. tg3_writephy(tp, 0x10, 0x8411);
  2713. /* Enable auto-lock and comdet, select txclk for tx. */
  2714. tg3_writephy(tp, 0x11, 0x0a10);
  2715. tg3_writephy(tp, 0x18, 0x00a0);
  2716. tg3_writephy(tp, 0x16, 0x41ff);
  2717. /* Assert and deassert POR. */
  2718. tg3_writephy(tp, 0x13, 0x0400);
  2719. udelay(40);
  2720. tg3_writephy(tp, 0x13, 0x0000);
  2721. tg3_writephy(tp, 0x11, 0x0a50);
  2722. udelay(40);
  2723. tg3_writephy(tp, 0x11, 0x0a10);
  2724. /* Wait for signal to stabilize */
  2725. /* XXX schedule_timeout() ... */
  2726. for (i = 0; i < 15000; i++)
  2727. udelay(10);
  2728. /* Deselect the channel register so we can read the PHYID
  2729. * later.
  2730. */
  2731. tg3_writephy(tp, 0x10, 0x8011);
  2732. }
  2733. static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
  2734. {
  2735. u16 flowctrl;
  2736. u32 sg_dig_ctrl, sg_dig_status;
  2737. u32 serdes_cfg, expected_sg_dig_ctrl;
  2738. int workaround, port_a;
  2739. int current_link_up;
  2740. serdes_cfg = 0;
  2741. expected_sg_dig_ctrl = 0;
  2742. workaround = 0;
  2743. port_a = 1;
  2744. current_link_up = 0;
  2745. if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
  2746. tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
  2747. workaround = 1;
  2748. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  2749. port_a = 0;
  2750. /* preserve bits 0-11,13,14 for signal pre-emphasis */
  2751. /* preserve bits 20-23 for voltage regulator */
  2752. serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
  2753. }
  2754. sg_dig_ctrl = tr32(SG_DIG_CTRL);
  2755. if (tp->link_config.autoneg != AUTONEG_ENABLE) {
  2756. if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
  2757. if (workaround) {
  2758. u32 val = serdes_cfg;
  2759. if (port_a)
  2760. val |= 0xc010000;
  2761. else
  2762. val |= 0x4010000;
  2763. tw32_f(MAC_SERDES_CFG, val);
  2764. }
  2765. tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
  2766. }
  2767. if (mac_status & MAC_STATUS_PCS_SYNCED) {
  2768. tg3_setup_flow_control(tp, 0, 0);
  2769. current_link_up = 1;
  2770. }
  2771. goto out;
  2772. }
  2773. /* Want auto-negotiation. */
  2774. expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
  2775. flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
  2776. if (flowctrl & ADVERTISE_1000XPAUSE)
  2777. expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
  2778. if (flowctrl & ADVERTISE_1000XPSE_ASYM)
  2779. expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
  2780. if (sg_dig_ctrl != expected_sg_dig_ctrl) {
  2781. if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
  2782. tp->serdes_counter &&
  2783. ((mac_status & (MAC_STATUS_PCS_SYNCED |
  2784. MAC_STATUS_RCVD_CFG)) ==
  2785. MAC_STATUS_PCS_SYNCED)) {
  2786. tp->serdes_counter--;
  2787. current_link_up = 1;
  2788. goto out;
  2789. }
  2790. restart_autoneg:
  2791. if (workaround)
  2792. tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
  2793. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
  2794. udelay(5);
  2795. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
  2796. tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
  2797. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2798. } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
  2799. MAC_STATUS_SIGNAL_DET)) {
  2800. sg_dig_status = tr32(SG_DIG_STATUS);
  2801. mac_status = tr32(MAC_STATUS);
  2802. if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
  2803. (mac_status & MAC_STATUS_PCS_SYNCED)) {
  2804. u32 local_adv = 0, remote_adv = 0;
  2805. if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
  2806. local_adv |= ADVERTISE_1000XPAUSE;
  2807. if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
  2808. local_adv |= ADVERTISE_1000XPSE_ASYM;
  2809. if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
  2810. remote_adv |= LPA_1000XPAUSE;
  2811. if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
  2812. remote_adv |= LPA_1000XPAUSE_ASYM;
  2813. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2814. current_link_up = 1;
  2815. tp->serdes_counter = 0;
  2816. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2817. } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
  2818. if (tp->serdes_counter)
  2819. tp->serdes_counter--;
  2820. else {
  2821. if (workaround) {
  2822. u32 val = serdes_cfg;
  2823. if (port_a)
  2824. val |= 0xc010000;
  2825. else
  2826. val |= 0x4010000;
  2827. tw32_f(MAC_SERDES_CFG, val);
  2828. }
  2829. tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
  2830. udelay(40);
  2831. /* Link parallel detection - link is up */
  2832. /* only if we have PCS_SYNC and not */
  2833. /* receiving config code words */
  2834. mac_status = tr32(MAC_STATUS);
  2835. if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
  2836. !(mac_status & MAC_STATUS_RCVD_CFG)) {
  2837. tg3_setup_flow_control(tp, 0, 0);
  2838. current_link_up = 1;
  2839. tp->tg3_flags2 |=
  2840. TG3_FLG2_PARALLEL_DETECT;
  2841. tp->serdes_counter =
  2842. SERDES_PARALLEL_DET_TIMEOUT;
  2843. } else
  2844. goto restart_autoneg;
  2845. }
  2846. }
  2847. } else {
  2848. tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
  2849. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2850. }
  2851. out:
  2852. return current_link_up;
  2853. }
  2854. static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
  2855. {
  2856. int current_link_up = 0;
  2857. if (!(mac_status & MAC_STATUS_PCS_SYNCED))
  2858. goto out;
  2859. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2860. u32 txflags, rxflags;
  2861. int i;
  2862. if (fiber_autoneg(tp, &txflags, &rxflags)) {
  2863. u32 local_adv = 0, remote_adv = 0;
  2864. if (txflags & ANEG_CFG_PS1)
  2865. local_adv |= ADVERTISE_1000XPAUSE;
  2866. if (txflags & ANEG_CFG_PS2)
  2867. local_adv |= ADVERTISE_1000XPSE_ASYM;
  2868. if (rxflags & MR_LP_ADV_SYM_PAUSE)
  2869. remote_adv |= LPA_1000XPAUSE;
  2870. if (rxflags & MR_LP_ADV_ASYM_PAUSE)
  2871. remote_adv |= LPA_1000XPAUSE_ASYM;
  2872. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2873. current_link_up = 1;
  2874. }
  2875. for (i = 0; i < 30; i++) {
  2876. udelay(20);
  2877. tw32_f(MAC_STATUS,
  2878. (MAC_STATUS_SYNC_CHANGED |
  2879. MAC_STATUS_CFG_CHANGED));
  2880. udelay(40);
  2881. if ((tr32(MAC_STATUS) &
  2882. (MAC_STATUS_SYNC_CHANGED |
  2883. MAC_STATUS_CFG_CHANGED)) == 0)
  2884. break;
  2885. }
  2886. mac_status = tr32(MAC_STATUS);
  2887. if (current_link_up == 0 &&
  2888. (mac_status & MAC_STATUS_PCS_SYNCED) &&
  2889. !(mac_status & MAC_STATUS_RCVD_CFG))
  2890. current_link_up = 1;
  2891. } else {
  2892. tg3_setup_flow_control(tp, 0, 0);
  2893. /* Forcing 1000FD link up. */
  2894. current_link_up = 1;
  2895. tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
  2896. udelay(40);
  2897. tw32_f(MAC_MODE, tp->mac_mode);
  2898. udelay(40);
  2899. }
  2900. out:
  2901. return current_link_up;
  2902. }
  2903. static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
  2904. {
  2905. u32 orig_pause_cfg;
  2906. u16 orig_active_speed;
  2907. u8 orig_active_duplex;
  2908. u32 mac_status;
  2909. int current_link_up;
  2910. int i;
  2911. orig_pause_cfg = tp->link_config.active_flowctrl;
  2912. orig_active_speed = tp->link_config.active_speed;
  2913. orig_active_duplex = tp->link_config.active_duplex;
  2914. if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
  2915. netif_carrier_ok(tp->dev) &&
  2916. (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
  2917. mac_status = tr32(MAC_STATUS);
  2918. mac_status &= (MAC_STATUS_PCS_SYNCED |
  2919. MAC_STATUS_SIGNAL_DET |
  2920. MAC_STATUS_CFG_CHANGED |
  2921. MAC_STATUS_RCVD_CFG);
  2922. if (mac_status == (MAC_STATUS_PCS_SYNCED |
  2923. MAC_STATUS_SIGNAL_DET)) {
  2924. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2925. MAC_STATUS_CFG_CHANGED));
  2926. return 0;
  2927. }
  2928. }
  2929. tw32_f(MAC_TX_AUTO_NEG, 0);
  2930. tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
  2931. tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
  2932. tw32_f(MAC_MODE, tp->mac_mode);
  2933. udelay(40);
  2934. if (tp->phy_id == PHY_ID_BCM8002)
  2935. tg3_init_bcm8002(tp);
  2936. /* Enable link change event even when serdes polling. */
  2937. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2938. udelay(40);
  2939. current_link_up = 0;
  2940. mac_status = tr32(MAC_STATUS);
  2941. if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
  2942. current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
  2943. else
  2944. current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
  2945. tp->hw_status->status =
  2946. (SD_STATUS_UPDATED |
  2947. (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
  2948. for (i = 0; i < 100; i++) {
  2949. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2950. MAC_STATUS_CFG_CHANGED));
  2951. udelay(5);
  2952. if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
  2953. MAC_STATUS_CFG_CHANGED |
  2954. MAC_STATUS_LNKSTATE_CHANGED)) == 0)
  2955. break;
  2956. }
  2957. mac_status = tr32(MAC_STATUS);
  2958. if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
  2959. current_link_up = 0;
  2960. if (tp->link_config.autoneg == AUTONEG_ENABLE &&
  2961. tp->serdes_counter == 0) {
  2962. tw32_f(MAC_MODE, (tp->mac_mode |
  2963. MAC_MODE_SEND_CONFIGS));
  2964. udelay(1);
  2965. tw32_f(MAC_MODE, tp->mac_mode);
  2966. }
  2967. }
  2968. if (current_link_up == 1) {
  2969. tp->link_config.active_speed = SPEED_1000;
  2970. tp->link_config.active_duplex = DUPLEX_FULL;
  2971. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2972. LED_CTRL_LNKLED_OVERRIDE |
  2973. LED_CTRL_1000MBPS_ON));
  2974. } else {
  2975. tp->link_config.active_speed = SPEED_INVALID;
  2976. tp->link_config.active_duplex = DUPLEX_INVALID;
  2977. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2978. LED_CTRL_LNKLED_OVERRIDE |
  2979. LED_CTRL_TRAFFIC_OVERRIDE));
  2980. }
  2981. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2982. if (current_link_up)
  2983. netif_carrier_on(tp->dev);
  2984. else
  2985. netif_carrier_off(tp->dev);
  2986. tg3_link_report(tp);
  2987. } else {
  2988. u32 now_pause_cfg = tp->link_config.active_flowctrl;
  2989. if (orig_pause_cfg != now_pause_cfg ||
  2990. orig_active_speed != tp->link_config.active_speed ||
  2991. orig_active_duplex != tp->link_config.active_duplex)
  2992. tg3_link_report(tp);
  2993. }
  2994. return 0;
  2995. }
  2996. static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
  2997. {
  2998. int current_link_up, err = 0;
  2999. u32 bmsr, bmcr;
  3000. u16 current_speed;
  3001. u8 current_duplex;
  3002. u32 local_adv, remote_adv;
  3003. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  3004. tw32_f(MAC_MODE, tp->mac_mode);
  3005. udelay(40);
  3006. tw32(MAC_EVENT, 0);
  3007. tw32_f(MAC_STATUS,
  3008. (MAC_STATUS_SYNC_CHANGED |
  3009. MAC_STATUS_CFG_CHANGED |
  3010. MAC_STATUS_MI_COMPLETION |
  3011. MAC_STATUS_LNKSTATE_CHANGED));
  3012. udelay(40);
  3013. if (force_reset)
  3014. tg3_phy_reset(tp);
  3015. current_link_up = 0;
  3016. current_speed = SPEED_INVALID;
  3017. current_duplex = DUPLEX_INVALID;
  3018. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  3019. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  3020. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  3021. if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
  3022. bmsr |= BMSR_LSTATUS;
  3023. else
  3024. bmsr &= ~BMSR_LSTATUS;
  3025. }
  3026. err |= tg3_readphy(tp, MII_BMCR, &bmcr);
  3027. if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
  3028. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  3029. /* do nothing, just check for link up at the end */
  3030. } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  3031. u32 adv, new_adv;
  3032. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  3033. new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
  3034. ADVERTISE_1000XPAUSE |
  3035. ADVERTISE_1000XPSE_ASYM |
  3036. ADVERTISE_SLCT);
  3037. new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
  3038. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  3039. new_adv |= ADVERTISE_1000XHALF;
  3040. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  3041. new_adv |= ADVERTISE_1000XFULL;
  3042. if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
  3043. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  3044. bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
  3045. tg3_writephy(tp, MII_BMCR, bmcr);
  3046. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  3047. tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
  3048. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  3049. return err;
  3050. }
  3051. } else {
  3052. u32 new_bmcr;
  3053. bmcr &= ~BMCR_SPEED1000;
  3054. new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
  3055. if (tp->link_config.duplex == DUPLEX_FULL)
  3056. new_bmcr |= BMCR_FULLDPLX;
  3057. if (new_bmcr != bmcr) {
  3058. /* BMCR_SPEED1000 is a reserved bit that needs
  3059. * to be set on write.
  3060. */
  3061. new_bmcr |= BMCR_SPEED1000;
  3062. /* Force a linkdown */
  3063. if (netif_carrier_ok(tp->dev)) {
  3064. u32 adv;
  3065. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  3066. adv &= ~(ADVERTISE_1000XFULL |
  3067. ADVERTISE_1000XHALF |
  3068. ADVERTISE_SLCT);
  3069. tg3_writephy(tp, MII_ADVERTISE, adv);
  3070. tg3_writephy(tp, MII_BMCR, bmcr |
  3071. BMCR_ANRESTART |
  3072. BMCR_ANENABLE);
  3073. udelay(10);
  3074. netif_carrier_off(tp->dev);
  3075. }
  3076. tg3_writephy(tp, MII_BMCR, new_bmcr);
  3077. bmcr = new_bmcr;
  3078. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  3079. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  3080. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  3081. ASIC_REV_5714) {
  3082. if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
  3083. bmsr |= BMSR_LSTATUS;
  3084. else
  3085. bmsr &= ~BMSR_LSTATUS;
  3086. }
  3087. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  3088. }
  3089. }
  3090. if (bmsr & BMSR_LSTATUS) {
  3091. current_speed = SPEED_1000;
  3092. current_link_up = 1;
  3093. if (bmcr & BMCR_FULLDPLX)
  3094. current_duplex = DUPLEX_FULL;
  3095. else
  3096. current_duplex = DUPLEX_HALF;
  3097. local_adv = 0;
  3098. remote_adv = 0;
  3099. if (bmcr & BMCR_ANENABLE) {
  3100. u32 common;
  3101. err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
  3102. err |= tg3_readphy(tp, MII_LPA, &remote_adv);
  3103. common = local_adv & remote_adv;
  3104. if (common & (ADVERTISE_1000XHALF |
  3105. ADVERTISE_1000XFULL)) {
  3106. if (common & ADVERTISE_1000XFULL)
  3107. current_duplex = DUPLEX_FULL;
  3108. else
  3109. current_duplex = DUPLEX_HALF;
  3110. }
  3111. else
  3112. current_link_up = 0;
  3113. }
  3114. }
  3115. if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
  3116. tg3_setup_flow_control(tp, local_adv, remote_adv);
  3117. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  3118. if (tp->link_config.active_duplex == DUPLEX_HALF)
  3119. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  3120. tw32_f(MAC_MODE, tp->mac_mode);
  3121. udelay(40);
  3122. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  3123. tp->link_config.active_speed = current_speed;
  3124. tp->link_config.active_duplex = current_duplex;
  3125. if (current_link_up != netif_carrier_ok(tp->dev)) {
  3126. if (current_link_up)
  3127. netif_carrier_on(tp->dev);
  3128. else {
  3129. netif_carrier_off(tp->dev);
  3130. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  3131. }
  3132. tg3_link_report(tp);
  3133. }
  3134. return err;
  3135. }
  3136. static void tg3_serdes_parallel_detect(struct tg3 *tp)
  3137. {
  3138. if (tp->serdes_counter) {
  3139. /* Give autoneg time to complete. */
  3140. tp->serdes_counter--;
  3141. return;
  3142. }
  3143. if (!netif_carrier_ok(tp->dev) &&
  3144. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  3145. u32 bmcr;
  3146. tg3_readphy(tp, MII_BMCR, &bmcr);
  3147. if (bmcr & BMCR_ANENABLE) {
  3148. u32 phy1, phy2;
  3149. /* Select shadow register 0x1f */
  3150. tg3_writephy(tp, 0x1c, 0x7c00);
  3151. tg3_readphy(tp, 0x1c, &phy1);
  3152. /* Select expansion interrupt status register */
  3153. tg3_writephy(tp, 0x17, 0x0f01);
  3154. tg3_readphy(tp, 0x15, &phy2);
  3155. tg3_readphy(tp, 0x15, &phy2);
  3156. if ((phy1 & 0x10) && !(phy2 & 0x20)) {
  3157. /* We have signal detect and not receiving
  3158. * config code words, link is up by parallel
  3159. * detection.
  3160. */
  3161. bmcr &= ~BMCR_ANENABLE;
  3162. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  3163. tg3_writephy(tp, MII_BMCR, bmcr);
  3164. tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
  3165. }
  3166. }
  3167. }
  3168. else if (netif_carrier_ok(tp->dev) &&
  3169. (tp->link_config.autoneg == AUTONEG_ENABLE) &&
  3170. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  3171. u32 phy2;
  3172. /* Select expansion interrupt status register */
  3173. tg3_writephy(tp, 0x17, 0x0f01);
  3174. tg3_readphy(tp, 0x15, &phy2);
  3175. if (phy2 & 0x20) {
  3176. u32 bmcr;
  3177. /* Config code words received, turn on autoneg. */
  3178. tg3_readphy(tp, MII_BMCR, &bmcr);
  3179. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
  3180. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  3181. }
  3182. }
  3183. }
  3184. static int tg3_setup_phy(struct tg3 *tp, int force_reset)
  3185. {
  3186. int err;
  3187. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  3188. err = tg3_setup_fiber_phy(tp, force_reset);
  3189. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  3190. err = tg3_setup_fiber_mii_phy(tp, force_reset);
  3191. } else {
  3192. err = tg3_setup_copper_phy(tp, force_reset);
  3193. }
  3194. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
  3195. u32 val, scale;
  3196. val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
  3197. if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
  3198. scale = 65;
  3199. else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
  3200. scale = 6;
  3201. else
  3202. scale = 12;
  3203. val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
  3204. val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
  3205. tw32(GRC_MISC_CFG, val);
  3206. }
  3207. if (tp->link_config.active_speed == SPEED_1000 &&
  3208. tp->link_config.active_duplex == DUPLEX_HALF)
  3209. tw32(MAC_TX_LENGTHS,
  3210. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  3211. (6 << TX_LENGTHS_IPG_SHIFT) |
  3212. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  3213. else
  3214. tw32(MAC_TX_LENGTHS,
  3215. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  3216. (6 << TX_LENGTHS_IPG_SHIFT) |
  3217. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  3218. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  3219. if (netif_carrier_ok(tp->dev)) {
  3220. tw32(HOSTCC_STAT_COAL_TICKS,
  3221. tp->coal.stats_block_coalesce_usecs);
  3222. } else {
  3223. tw32(HOSTCC_STAT_COAL_TICKS, 0);
  3224. }
  3225. }
  3226. if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
  3227. u32 val = tr32(PCIE_PWR_MGMT_THRESH);
  3228. if (!netif_carrier_ok(tp->dev))
  3229. val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
  3230. tp->pwrmgmt_thresh;
  3231. else
  3232. val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
  3233. tw32(PCIE_PWR_MGMT_THRESH, val);
  3234. }
  3235. return err;
  3236. }
  3237. /* This is called whenever we suspect that the system chipset is re-
  3238. * ordering the sequence of MMIO to the tx send mailbox. The symptom
  3239. * is bogus tx completions. We try to recover by setting the
  3240. * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
  3241. * in the workqueue.
  3242. */
  3243. static void tg3_tx_recover(struct tg3 *tp)
  3244. {
  3245. BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
  3246. tp->write32_tx_mbox == tg3_write_indirect_mbox);
  3247. printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
  3248. "mapped I/O cycles to the network device, attempting to "
  3249. "recover. Please report the problem to the driver maintainer "
  3250. "and include system chipset information.\n", tp->dev->name);
  3251. spin_lock(&tp->lock);
  3252. tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
  3253. spin_unlock(&tp->lock);
  3254. }
  3255. static inline u32 tg3_tx_avail(struct tg3 *tp)
  3256. {
  3257. smp_mb();
  3258. return (tp->tx_pending -
  3259. ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
  3260. }
  3261. /* Tigon3 never reports partial packet sends. So we do not
  3262. * need special logic to handle SKBs that have not had all
  3263. * of their frags sent yet, like SunGEM does.
  3264. */
  3265. static void tg3_tx(struct tg3 *tp)
  3266. {
  3267. u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
  3268. u32 sw_idx = tp->tx_cons;
  3269. while (sw_idx != hw_idx) {
  3270. struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
  3271. struct sk_buff *skb = ri->skb;
  3272. int i, tx_bug = 0;
  3273. if (unlikely(skb == NULL)) {
  3274. tg3_tx_recover(tp);
  3275. return;
  3276. }
  3277. skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
  3278. ri->skb = NULL;
  3279. sw_idx = NEXT_TX(sw_idx);
  3280. for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
  3281. ri = &tp->tx_buffers[sw_idx];
  3282. if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
  3283. tx_bug = 1;
  3284. sw_idx = NEXT_TX(sw_idx);
  3285. }
  3286. dev_kfree_skb(skb);
  3287. if (unlikely(tx_bug)) {
  3288. tg3_tx_recover(tp);
  3289. return;
  3290. }
  3291. }
  3292. tp->tx_cons = sw_idx;
  3293. /* Need to make the tx_cons update visible to tg3_start_xmit()
  3294. * before checking for netif_queue_stopped(). Without the
  3295. * memory barrier, there is a small possibility that tg3_start_xmit()
  3296. * will miss it and cause the queue to be stopped forever.
  3297. */
  3298. smp_mb();
  3299. if (unlikely(netif_queue_stopped(tp->dev) &&
  3300. (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
  3301. netif_tx_lock(tp->dev);
  3302. if (netif_queue_stopped(tp->dev) &&
  3303. (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
  3304. netif_wake_queue(tp->dev);
  3305. netif_tx_unlock(tp->dev);
  3306. }
  3307. }
  3308. /* Returns size of skb allocated or < 0 on error.
  3309. *
  3310. * We only need to fill in the address because the other members
  3311. * of the RX descriptor are invariant, see tg3_init_rings.
  3312. *
  3313. * Note the purposeful assymetry of cpu vs. chip accesses. For
  3314. * posting buffers we only dirty the first cache line of the RX
  3315. * descriptor (containing the address). Whereas for the RX status
  3316. * buffers the cpu only reads the last cacheline of the RX descriptor
  3317. * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  3318. */
  3319. static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
  3320. int src_idx, u32 dest_idx_unmasked)
  3321. {
  3322. struct tg3_rx_buffer_desc *desc;
  3323. struct ring_info *map, *src_map;
  3324. struct sk_buff *skb;
  3325. dma_addr_t mapping;
  3326. int skb_size, dest_idx;
  3327. src_map = NULL;
  3328. switch (opaque_key) {
  3329. case RXD_OPAQUE_RING_STD:
  3330. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  3331. desc = &tp->rx_std[dest_idx];
  3332. map = &tp->rx_std_buffers[dest_idx];
  3333. if (src_idx >= 0)
  3334. src_map = &tp->rx_std_buffers[src_idx];
  3335. skb_size = tp->rx_pkt_buf_sz;
  3336. break;
  3337. case RXD_OPAQUE_RING_JUMBO:
  3338. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  3339. desc = &tp->rx_jumbo[dest_idx];
  3340. map = &tp->rx_jumbo_buffers[dest_idx];
  3341. if (src_idx >= 0)
  3342. src_map = &tp->rx_jumbo_buffers[src_idx];
  3343. skb_size = RX_JUMBO_PKT_BUF_SZ;
  3344. break;
  3345. default:
  3346. return -EINVAL;
  3347. }
  3348. /* Do not overwrite any of the map or rp information
  3349. * until we are sure we can commit to a new buffer.
  3350. *
  3351. * Callers depend upon this behavior and assume that
  3352. * we leave everything unchanged if we fail.
  3353. */
  3354. skb = netdev_alloc_skb(tp->dev, skb_size);
  3355. if (skb == NULL)
  3356. return -ENOMEM;
  3357. skb_reserve(skb, tp->rx_offset);
  3358. mapping = pci_map_single(tp->pdev, skb->data,
  3359. skb_size - tp->rx_offset,
  3360. PCI_DMA_FROMDEVICE);
  3361. map->skb = skb;
  3362. pci_unmap_addr_set(map, mapping, mapping);
  3363. if (src_map != NULL)
  3364. src_map->skb = NULL;
  3365. desc->addr_hi = ((u64)mapping >> 32);
  3366. desc->addr_lo = ((u64)mapping & 0xffffffff);
  3367. return skb_size;
  3368. }
  3369. /* We only need to move over in the address because the other
  3370. * members of the RX descriptor are invariant. See notes above
  3371. * tg3_alloc_rx_skb for full details.
  3372. */
  3373. static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
  3374. int src_idx, u32 dest_idx_unmasked)
  3375. {
  3376. struct tg3_rx_buffer_desc *src_desc, *dest_desc;
  3377. struct ring_info *src_map, *dest_map;
  3378. int dest_idx;
  3379. switch (opaque_key) {
  3380. case RXD_OPAQUE_RING_STD:
  3381. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  3382. dest_desc = &tp->rx_std[dest_idx];
  3383. dest_map = &tp->rx_std_buffers[dest_idx];
  3384. src_desc = &tp->rx_std[src_idx];
  3385. src_map = &tp->rx_std_buffers[src_idx];
  3386. break;
  3387. case RXD_OPAQUE_RING_JUMBO:
  3388. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  3389. dest_desc = &tp->rx_jumbo[dest_idx];
  3390. dest_map = &tp->rx_jumbo_buffers[dest_idx];
  3391. src_desc = &tp->rx_jumbo[src_idx];
  3392. src_map = &tp->rx_jumbo_buffers[src_idx];
  3393. break;
  3394. default:
  3395. return;
  3396. }
  3397. dest_map->skb = src_map->skb;
  3398. pci_unmap_addr_set(dest_map, mapping,
  3399. pci_unmap_addr(src_map, mapping));
  3400. dest_desc->addr_hi = src_desc->addr_hi;
  3401. dest_desc->addr_lo = src_desc->addr_lo;
  3402. src_map->skb = NULL;
  3403. }
  3404. #if TG3_VLAN_TAG_USED
  3405. static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
  3406. {
  3407. return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
  3408. }
  3409. #endif
  3410. /* The RX ring scheme is composed of multiple rings which post fresh
  3411. * buffers to the chip, and one special ring the chip uses to report
  3412. * status back to the host.
  3413. *
  3414. * The special ring reports the status of received packets to the
  3415. * host. The chip does not write into the original descriptor the
  3416. * RX buffer was obtained from. The chip simply takes the original
  3417. * descriptor as provided by the host, updates the status and length
  3418. * field, then writes this into the next status ring entry.
  3419. *
  3420. * Each ring the host uses to post buffers to the chip is described
  3421. * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
  3422. * it is first placed into the on-chip ram. When the packet's length
  3423. * is known, it walks down the TG3_BDINFO entries to select the ring.
  3424. * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
  3425. * which is within the range of the new packet's length is chosen.
  3426. *
  3427. * The "separate ring for rx status" scheme may sound queer, but it makes
  3428. * sense from a cache coherency perspective. If only the host writes
  3429. * to the buffer post rings, and only the chip writes to the rx status
  3430. * rings, then cache lines never move beyond shared-modified state.
  3431. * If both the host and chip were to write into the same ring, cache line
  3432. * eviction could occur since both entities want it in an exclusive state.
  3433. */
  3434. static int tg3_rx(struct tg3 *tp, int budget)
  3435. {
  3436. u32 work_mask, rx_std_posted = 0;
  3437. u32 sw_idx = tp->rx_rcb_ptr;
  3438. u16 hw_idx;
  3439. int received;
  3440. hw_idx = tp->hw_status->idx[0].rx_producer;
  3441. /*
  3442. * We need to order the read of hw_idx and the read of
  3443. * the opaque cookie.
  3444. */
  3445. rmb();
  3446. work_mask = 0;
  3447. received = 0;
  3448. while (sw_idx != hw_idx && budget > 0) {
  3449. struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
  3450. unsigned int len;
  3451. struct sk_buff *skb;
  3452. dma_addr_t dma_addr;
  3453. u32 opaque_key, desc_idx, *post_ptr;
  3454. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  3455. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  3456. if (opaque_key == RXD_OPAQUE_RING_STD) {
  3457. dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
  3458. mapping);
  3459. skb = tp->rx_std_buffers[desc_idx].skb;
  3460. post_ptr = &tp->rx_std_ptr;
  3461. rx_std_posted++;
  3462. } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
  3463. dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
  3464. mapping);
  3465. skb = tp->rx_jumbo_buffers[desc_idx].skb;
  3466. post_ptr = &tp->rx_jumbo_ptr;
  3467. }
  3468. else {
  3469. goto next_pkt_nopost;
  3470. }
  3471. work_mask |= opaque_key;
  3472. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  3473. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
  3474. drop_it:
  3475. tg3_recycle_rx(tp, opaque_key,
  3476. desc_idx, *post_ptr);
  3477. drop_it_no_recycle:
  3478. /* Other statistics kept track of by card. */
  3479. tp->net_stats.rx_dropped++;
  3480. goto next_pkt;
  3481. }
  3482. len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
  3483. if (len > RX_COPY_THRESHOLD
  3484. && tp->rx_offset == 2
  3485. /* rx_offset != 2 iff this is a 5701 card running
  3486. * in PCI-X mode [see tg3_get_invariants()] */
  3487. ) {
  3488. int skb_size;
  3489. skb_size = tg3_alloc_rx_skb(tp, opaque_key,
  3490. desc_idx, *post_ptr);
  3491. if (skb_size < 0)
  3492. goto drop_it;
  3493. pci_unmap_single(tp->pdev, dma_addr,
  3494. skb_size - tp->rx_offset,
  3495. PCI_DMA_FROMDEVICE);
  3496. skb_put(skb, len);
  3497. } else {
  3498. struct sk_buff *copy_skb;
  3499. tg3_recycle_rx(tp, opaque_key,
  3500. desc_idx, *post_ptr);
  3501. copy_skb = netdev_alloc_skb(tp->dev, len + 2);
  3502. if (copy_skb == NULL)
  3503. goto drop_it_no_recycle;
  3504. skb_reserve(copy_skb, 2);
  3505. skb_put(copy_skb, len);
  3506. pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  3507. skb_copy_from_linear_data(skb, copy_skb->data, len);
  3508. pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  3509. /* We'll reuse the original ring buffer. */
  3510. skb = copy_skb;
  3511. }
  3512. if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
  3513. (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
  3514. (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
  3515. >> RXD_TCPCSUM_SHIFT) == 0xffff))
  3516. skb->ip_summed = CHECKSUM_UNNECESSARY;
  3517. else
  3518. skb->ip_summed = CHECKSUM_NONE;
  3519. skb->protocol = eth_type_trans(skb, tp->dev);
  3520. #if TG3_VLAN_TAG_USED
  3521. if (tp->vlgrp != NULL &&
  3522. desc->type_flags & RXD_FLAG_VLAN) {
  3523. tg3_vlan_rx(tp, skb,
  3524. desc->err_vlan & RXD_VLAN_MASK);
  3525. } else
  3526. #endif
  3527. netif_receive_skb(skb);
  3528. tp->dev->last_rx = jiffies;
  3529. received++;
  3530. budget--;
  3531. next_pkt:
  3532. (*post_ptr)++;
  3533. if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
  3534. u32 idx = *post_ptr % TG3_RX_RING_SIZE;
  3535. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
  3536. TG3_64BIT_REG_LOW, idx);
  3537. work_mask &= ~RXD_OPAQUE_RING_STD;
  3538. rx_std_posted = 0;
  3539. }
  3540. next_pkt_nopost:
  3541. sw_idx++;
  3542. sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
  3543. /* Refresh hw_idx to see if there is new work */
  3544. if (sw_idx == hw_idx) {
  3545. hw_idx = tp->hw_status->idx[0].rx_producer;
  3546. rmb();
  3547. }
  3548. }
  3549. /* ACK the status ring. */
  3550. tp->rx_rcb_ptr = sw_idx;
  3551. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
  3552. /* Refill RX ring(s). */
  3553. if (work_mask & RXD_OPAQUE_RING_STD) {
  3554. sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
  3555. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  3556. sw_idx);
  3557. }
  3558. if (work_mask & RXD_OPAQUE_RING_JUMBO) {
  3559. sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
  3560. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  3561. sw_idx);
  3562. }
  3563. mmiowb();
  3564. return received;
  3565. }
  3566. static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
  3567. {
  3568. struct tg3_hw_status *sblk = tp->hw_status;
  3569. /* handle link change and other phy events */
  3570. if (!(tp->tg3_flags &
  3571. (TG3_FLAG_USE_LINKCHG_REG |
  3572. TG3_FLAG_POLL_SERDES))) {
  3573. if (sblk->status & SD_STATUS_LINK_CHG) {
  3574. sblk->status = SD_STATUS_UPDATED |
  3575. (sblk->status & ~SD_STATUS_LINK_CHG);
  3576. spin_lock(&tp->lock);
  3577. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  3578. tw32_f(MAC_STATUS,
  3579. (MAC_STATUS_SYNC_CHANGED |
  3580. MAC_STATUS_CFG_CHANGED |
  3581. MAC_STATUS_MI_COMPLETION |
  3582. MAC_STATUS_LNKSTATE_CHANGED));
  3583. udelay(40);
  3584. } else
  3585. tg3_setup_phy(tp, 0);
  3586. spin_unlock(&tp->lock);
  3587. }
  3588. }
  3589. /* run TX completion thread */
  3590. if (sblk->idx[0].tx_consumer != tp->tx_cons) {
  3591. tg3_tx(tp);
  3592. if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
  3593. return work_done;
  3594. }
  3595. /* run RX thread, within the bounds set by NAPI.
  3596. * All RX "locking" is done by ensuring outside
  3597. * code synchronizes with tg3->napi.poll()
  3598. */
  3599. if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  3600. work_done += tg3_rx(tp, budget - work_done);
  3601. return work_done;
  3602. }
  3603. static int tg3_poll(struct napi_struct *napi, int budget)
  3604. {
  3605. struct tg3 *tp = container_of(napi, struct tg3, napi);
  3606. int work_done = 0;
  3607. struct tg3_hw_status *sblk = tp->hw_status;
  3608. while (1) {
  3609. work_done = tg3_poll_work(tp, work_done, budget);
  3610. if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
  3611. goto tx_recovery;
  3612. if (unlikely(work_done >= budget))
  3613. break;
  3614. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  3615. /* tp->last_tag is used in tg3_restart_ints() below
  3616. * to tell the hw how much work has been processed,
  3617. * so we must read it before checking for more work.
  3618. */
  3619. tp->last_tag = sblk->status_tag;
  3620. rmb();
  3621. } else
  3622. sblk->status &= ~SD_STATUS_UPDATED;
  3623. if (likely(!tg3_has_work(tp))) {
  3624. netif_rx_complete(tp->dev, napi);
  3625. tg3_restart_ints(tp);
  3626. break;
  3627. }
  3628. }
  3629. return work_done;
  3630. tx_recovery:
  3631. /* work_done is guaranteed to be less than budget. */
  3632. netif_rx_complete(tp->dev, napi);
  3633. schedule_work(&tp->reset_task);
  3634. return work_done;
  3635. }
  3636. static void tg3_irq_quiesce(struct tg3 *tp)
  3637. {
  3638. BUG_ON(tp->irq_sync);
  3639. tp->irq_sync = 1;
  3640. smp_mb();
  3641. synchronize_irq(tp->pdev->irq);
  3642. }
  3643. static inline int tg3_irq_sync(struct tg3 *tp)
  3644. {
  3645. return tp->irq_sync;
  3646. }
  3647. /* Fully shutdown all tg3 driver activity elsewhere in the system.
  3648. * If irq_sync is non-zero, then the IRQ handler must be synchronized
  3649. * with as well. Most of the time, this is not necessary except when
  3650. * shutting down the device.
  3651. */
  3652. static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
  3653. {
  3654. spin_lock_bh(&tp->lock);
  3655. if (irq_sync)
  3656. tg3_irq_quiesce(tp);
  3657. }
  3658. static inline void tg3_full_unlock(struct tg3 *tp)
  3659. {
  3660. spin_unlock_bh(&tp->lock);
  3661. }
  3662. /* One-shot MSI handler - Chip automatically disables interrupt
  3663. * after sending MSI so driver doesn't have to do it.
  3664. */
  3665. static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
  3666. {
  3667. struct net_device *dev = dev_id;
  3668. struct tg3 *tp = netdev_priv(dev);
  3669. prefetch(tp->hw_status);
  3670. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3671. if (likely(!tg3_irq_sync(tp)))
  3672. netif_rx_schedule(dev, &tp->napi);
  3673. return IRQ_HANDLED;
  3674. }
  3675. /* MSI ISR - No need to check for interrupt sharing and no need to
  3676. * flush status block and interrupt mailbox. PCI ordering rules
  3677. * guarantee that MSI will arrive after the status block.
  3678. */
  3679. static irqreturn_t tg3_msi(int irq, void *dev_id)
  3680. {
  3681. struct net_device *dev = dev_id;
  3682. struct tg3 *tp = netdev_priv(dev);
  3683. prefetch(tp->hw_status);
  3684. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3685. /*
  3686. * Writing any value to intr-mbox-0 clears PCI INTA# and
  3687. * chip-internal interrupt pending events.
  3688. * Writing non-zero to intr-mbox-0 additional tells the
  3689. * NIC to stop sending us irqs, engaging "in-intr-handler"
  3690. * event coalescing.
  3691. */
  3692. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  3693. if (likely(!tg3_irq_sync(tp)))
  3694. netif_rx_schedule(dev, &tp->napi);
  3695. return IRQ_RETVAL(1);
  3696. }
  3697. static irqreturn_t tg3_interrupt(int irq, void *dev_id)
  3698. {
  3699. struct net_device *dev = dev_id;
  3700. struct tg3 *tp = netdev_priv(dev);
  3701. struct tg3_hw_status *sblk = tp->hw_status;
  3702. unsigned int handled = 1;
  3703. /* In INTx mode, it is possible for the interrupt to arrive at
  3704. * the CPU before the status block posted prior to the interrupt.
  3705. * Reading the PCI State register will confirm whether the
  3706. * interrupt is ours and will flush the status block.
  3707. */
  3708. if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
  3709. if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
  3710. (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  3711. handled = 0;
  3712. goto out;
  3713. }
  3714. }
  3715. /*
  3716. * Writing any value to intr-mbox-0 clears PCI INTA# and
  3717. * chip-internal interrupt pending events.
  3718. * Writing non-zero to intr-mbox-0 additional tells the
  3719. * NIC to stop sending us irqs, engaging "in-intr-handler"
  3720. * event coalescing.
  3721. *
  3722. * Flush the mailbox to de-assert the IRQ immediately to prevent
  3723. * spurious interrupts. The flush impacts performance but
  3724. * excessive spurious interrupts can be worse in some cases.
  3725. */
  3726. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  3727. if (tg3_irq_sync(tp))
  3728. goto out;
  3729. sblk->status &= ~SD_STATUS_UPDATED;
  3730. if (likely(tg3_has_work(tp))) {
  3731. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3732. netif_rx_schedule(dev, &tp->napi);
  3733. } else {
  3734. /* No work, shared interrupt perhaps? re-enable
  3735. * interrupts, and flush that PCI write
  3736. */
  3737. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  3738. 0x00000000);
  3739. }
  3740. out:
  3741. return IRQ_RETVAL(handled);
  3742. }
  3743. static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
  3744. {
  3745. struct net_device *dev = dev_id;
  3746. struct tg3 *tp = netdev_priv(dev);
  3747. struct tg3_hw_status *sblk = tp->hw_status;
  3748. unsigned int handled = 1;
  3749. /* In INTx mode, it is possible for the interrupt to arrive at
  3750. * the CPU before the status block posted prior to the interrupt.
  3751. * Reading the PCI State register will confirm whether the
  3752. * interrupt is ours and will flush the status block.
  3753. */
  3754. if (unlikely(sblk->status_tag == tp->last_tag)) {
  3755. if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
  3756. (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  3757. handled = 0;
  3758. goto out;
  3759. }
  3760. }
  3761. /*
  3762. * writing any value to intr-mbox-0 clears PCI INTA# and
  3763. * chip-internal interrupt pending events.
  3764. * writing non-zero to intr-mbox-0 additional tells the
  3765. * NIC to stop sending us irqs, engaging "in-intr-handler"
  3766. * event coalescing.
  3767. *
  3768. * Flush the mailbox to de-assert the IRQ immediately to prevent
  3769. * spurious interrupts. The flush impacts performance but
  3770. * excessive spurious interrupts can be worse in some cases.
  3771. */
  3772. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  3773. if (tg3_irq_sync(tp))
  3774. goto out;
  3775. if (netif_rx_schedule_prep(dev, &tp->napi)) {
  3776. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3777. /* Update last_tag to mark that this status has been
  3778. * seen. Because interrupt may be shared, we may be
  3779. * racing with tg3_poll(), so only update last_tag
  3780. * if tg3_poll() is not scheduled.
  3781. */
  3782. tp->last_tag = sblk->status_tag;
  3783. __netif_rx_schedule(dev, &tp->napi);
  3784. }
  3785. out:
  3786. return IRQ_RETVAL(handled);
  3787. }
  3788. /* ISR for interrupt test */
  3789. static irqreturn_t tg3_test_isr(int irq, void *dev_id)
  3790. {
  3791. struct net_device *dev = dev_id;
  3792. struct tg3 *tp = netdev_priv(dev);
  3793. struct tg3_hw_status *sblk = tp->hw_status;
  3794. if ((sblk->status & SD_STATUS_UPDATED) ||
  3795. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  3796. tg3_disable_ints(tp);
  3797. return IRQ_RETVAL(1);
  3798. }
  3799. return IRQ_RETVAL(0);
  3800. }
  3801. static int tg3_init_hw(struct tg3 *, int);
  3802. static int tg3_halt(struct tg3 *, int, int);
  3803. /* Restart hardware after configuration changes, self-test, etc.
  3804. * Invoked with tp->lock held.
  3805. */
  3806. static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
  3807. __releases(tp->lock)
  3808. __acquires(tp->lock)
  3809. {
  3810. int err;
  3811. err = tg3_init_hw(tp, reset_phy);
  3812. if (err) {
  3813. printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
  3814. "aborting.\n", tp->dev->name);
  3815. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  3816. tg3_full_unlock(tp);
  3817. del_timer_sync(&tp->timer);
  3818. tp->irq_sync = 0;
  3819. napi_enable(&tp->napi);
  3820. dev_close(tp->dev);
  3821. tg3_full_lock(tp, 0);
  3822. }
  3823. return err;
  3824. }
  3825. #ifdef CONFIG_NET_POLL_CONTROLLER
  3826. static void tg3_poll_controller(struct net_device *dev)
  3827. {
  3828. struct tg3 *tp = netdev_priv(dev);
  3829. tg3_interrupt(tp->pdev->irq, dev);
  3830. }
  3831. #endif
  3832. static void tg3_reset_task(struct work_struct *work)
  3833. {
  3834. struct tg3 *tp = container_of(work, struct tg3, reset_task);
  3835. int err;
  3836. unsigned int restart_timer;
  3837. tg3_full_lock(tp, 0);
  3838. if (!netif_running(tp->dev)) {
  3839. tg3_full_unlock(tp);
  3840. return;
  3841. }
  3842. tg3_full_unlock(tp);
  3843. tg3_phy_stop(tp);
  3844. tg3_netif_stop(tp);
  3845. tg3_full_lock(tp, 1);
  3846. restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
  3847. tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
  3848. if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
  3849. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  3850. tp->write32_rx_mbox = tg3_write_flush_reg32;
  3851. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  3852. tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
  3853. }
  3854. tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
  3855. err = tg3_init_hw(tp, 1);
  3856. if (err)
  3857. goto out;
  3858. tg3_netif_start(tp);
  3859. if (restart_timer)
  3860. mod_timer(&tp->timer, jiffies + 1);
  3861. out:
  3862. tg3_full_unlock(tp);
  3863. if (!err)
  3864. tg3_phy_start(tp);
  3865. }
  3866. static void tg3_dump_short_state(struct tg3 *tp)
  3867. {
  3868. printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
  3869. tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
  3870. printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
  3871. tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
  3872. }
  3873. static void tg3_tx_timeout(struct net_device *dev)
  3874. {
  3875. struct tg3 *tp = netdev_priv(dev);
  3876. if (netif_msg_tx_err(tp)) {
  3877. printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
  3878. dev->name);
  3879. tg3_dump_short_state(tp);
  3880. }
  3881. schedule_work(&tp->reset_task);
  3882. }
  3883. /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
  3884. static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
  3885. {
  3886. u32 base = (u32) mapping & 0xffffffff;
  3887. return ((base > 0xffffdcc0) &&
  3888. (base + len + 8 < base));
  3889. }
  3890. /* Test for DMA addresses > 40-bit */
  3891. static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
  3892. int len)
  3893. {
  3894. #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
  3895. if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
  3896. return (((u64) mapping + len) > DMA_40BIT_MASK);
  3897. return 0;
  3898. #else
  3899. return 0;
  3900. #endif
  3901. }
  3902. static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
  3903. /* Workaround 4GB and 40-bit hardware DMA bugs. */
  3904. static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
  3905. u32 last_plus_one, u32 *start,
  3906. u32 base_flags, u32 mss)
  3907. {
  3908. struct sk_buff *new_skb;
  3909. dma_addr_t new_addr = 0;
  3910. u32 entry = *start;
  3911. int i, ret = 0;
  3912. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  3913. new_skb = skb_copy(skb, GFP_ATOMIC);
  3914. else {
  3915. int more_headroom = 4 - ((unsigned long)skb->data & 3);
  3916. new_skb = skb_copy_expand(skb,
  3917. skb_headroom(skb) + more_headroom,
  3918. skb_tailroom(skb), GFP_ATOMIC);
  3919. }
  3920. if (!new_skb) {
  3921. ret = -1;
  3922. } else {
  3923. /* New SKB is guaranteed to be linear. */
  3924. entry = *start;
  3925. ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
  3926. new_addr = skb_shinfo(new_skb)->dma_maps[0];
  3927. /* Make sure new skb does not cross any 4G boundaries.
  3928. * Drop the packet if it does.
  3929. */
  3930. if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
  3931. if (!ret)
  3932. skb_dma_unmap(&tp->pdev->dev, new_skb,
  3933. DMA_TO_DEVICE);
  3934. ret = -1;
  3935. dev_kfree_skb(new_skb);
  3936. new_skb = NULL;
  3937. } else {
  3938. tg3_set_txd(tp, entry, new_addr, new_skb->len,
  3939. base_flags, 1 | (mss << 1));
  3940. *start = NEXT_TX(entry);
  3941. }
  3942. }
  3943. /* Now clean up the sw ring entries. */
  3944. i = 0;
  3945. while (entry != last_plus_one) {
  3946. if (i == 0) {
  3947. tp->tx_buffers[entry].skb = new_skb;
  3948. } else {
  3949. tp->tx_buffers[entry].skb = NULL;
  3950. }
  3951. entry = NEXT_TX(entry);
  3952. i++;
  3953. }
  3954. skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
  3955. dev_kfree_skb(skb);
  3956. return ret;
  3957. }
  3958. static void tg3_set_txd(struct tg3 *tp, int entry,
  3959. dma_addr_t mapping, int len, u32 flags,
  3960. u32 mss_and_is_end)
  3961. {
  3962. struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
  3963. int is_end = (mss_and_is_end & 0x1);
  3964. u32 mss = (mss_and_is_end >> 1);
  3965. u32 vlan_tag = 0;
  3966. if (is_end)
  3967. flags |= TXD_FLAG_END;
  3968. if (flags & TXD_FLAG_VLAN) {
  3969. vlan_tag = flags >> 16;
  3970. flags &= 0xffff;
  3971. }
  3972. vlan_tag |= (mss << TXD_MSS_SHIFT);
  3973. txd->addr_hi = ((u64) mapping >> 32);
  3974. txd->addr_lo = ((u64) mapping & 0xffffffff);
  3975. txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
  3976. txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
  3977. }
  3978. /* hard_start_xmit for devices that don't have any bugs and
  3979. * support TG3_FLG2_HW_TSO_2 only.
  3980. */
  3981. static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
  3982. {
  3983. struct tg3 *tp = netdev_priv(dev);
  3984. u32 len, entry, base_flags, mss;
  3985. struct skb_shared_info *sp;
  3986. dma_addr_t mapping;
  3987. len = skb_headlen(skb);
  3988. /* We are running in BH disabled context with netif_tx_lock
  3989. * and TX reclaim runs via tp->napi.poll inside of a software
  3990. * interrupt. Furthermore, IRQ processing runs lockless so we have
  3991. * no IRQ context deadlocks to worry about either. Rejoice!
  3992. */
  3993. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  3994. if (!netif_queue_stopped(dev)) {
  3995. netif_stop_queue(dev);
  3996. /* This is a hard error, log it. */
  3997. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
  3998. "queue awake!\n", dev->name);
  3999. }
  4000. return NETDEV_TX_BUSY;
  4001. }
  4002. entry = tp->tx_prod;
  4003. base_flags = 0;
  4004. mss = 0;
  4005. if ((mss = skb_shinfo(skb)->gso_size) != 0) {
  4006. int tcp_opt_len, ip_tcp_len;
  4007. if (skb_header_cloned(skb) &&
  4008. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  4009. dev_kfree_skb(skb);
  4010. goto out_unlock;
  4011. }
  4012. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
  4013. mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
  4014. else {
  4015. struct iphdr *iph = ip_hdr(skb);
  4016. tcp_opt_len = tcp_optlen(skb);
  4017. ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
  4018. iph->check = 0;
  4019. iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
  4020. mss |= (ip_tcp_len + tcp_opt_len) << 9;
  4021. }
  4022. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  4023. TXD_FLAG_CPU_POST_DMA);
  4024. tcp_hdr(skb)->check = 0;
  4025. }
  4026. else if (skb->ip_summed == CHECKSUM_PARTIAL)
  4027. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  4028. #if TG3_VLAN_TAG_USED
  4029. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  4030. base_flags |= (TXD_FLAG_VLAN |
  4031. (vlan_tx_tag_get(skb) << 16));
  4032. #endif
  4033. if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
  4034. dev_kfree_skb(skb);
  4035. goto out_unlock;
  4036. }
  4037. sp = skb_shinfo(skb);
  4038. mapping = sp->dma_maps[0];
  4039. tp->tx_buffers[entry].skb = skb;
  4040. tg3_set_txd(tp, entry, mapping, len, base_flags,
  4041. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  4042. entry = NEXT_TX(entry);
  4043. /* Now loop through additional data fragments, and queue them. */
  4044. if (skb_shinfo(skb)->nr_frags > 0) {
  4045. unsigned int i, last;
  4046. last = skb_shinfo(skb)->nr_frags - 1;
  4047. for (i = 0; i <= last; i++) {
  4048. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  4049. len = frag->size;
  4050. mapping = sp->dma_maps[i + 1];
  4051. tp->tx_buffers[entry].skb = NULL;
  4052. tg3_set_txd(tp, entry, mapping, len,
  4053. base_flags, (i == last) | (mss << 1));
  4054. entry = NEXT_TX(entry);
  4055. }
  4056. }
  4057. /* Packets are ready, update Tx producer idx local and on card. */
  4058. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  4059. tp->tx_prod = entry;
  4060. if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
  4061. netif_stop_queue(dev);
  4062. if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
  4063. netif_wake_queue(tp->dev);
  4064. }
  4065. out_unlock:
  4066. mmiowb();
  4067. dev->trans_start = jiffies;
  4068. return NETDEV_TX_OK;
  4069. }
  4070. static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
  4071. /* Use GSO to workaround a rare TSO bug that may be triggered when the
  4072. * TSO header is greater than 80 bytes.
  4073. */
  4074. static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
  4075. {
  4076. struct sk_buff *segs, *nskb;
  4077. /* Estimate the number of fragments in the worst case */
  4078. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
  4079. netif_stop_queue(tp->dev);
  4080. if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
  4081. return NETDEV_TX_BUSY;
  4082. netif_wake_queue(tp->dev);
  4083. }
  4084. segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
  4085. if (IS_ERR(segs))
  4086. goto tg3_tso_bug_end;
  4087. do {
  4088. nskb = segs;
  4089. segs = segs->next;
  4090. nskb->next = NULL;
  4091. tg3_start_xmit_dma_bug(nskb, tp->dev);
  4092. } while (segs);
  4093. tg3_tso_bug_end:
  4094. dev_kfree_skb(skb);
  4095. return NETDEV_TX_OK;
  4096. }
  4097. /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
  4098. * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
  4099. */
  4100. static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
  4101. {
  4102. struct tg3 *tp = netdev_priv(dev);
  4103. u32 len, entry, base_flags, mss;
  4104. struct skb_shared_info *sp;
  4105. int would_hit_hwbug;
  4106. dma_addr_t mapping;
  4107. len = skb_headlen(skb);
  4108. /* We are running in BH disabled context with netif_tx_lock
  4109. * and TX reclaim runs via tp->napi.poll inside of a software
  4110. * interrupt. Furthermore, IRQ processing runs lockless so we have
  4111. * no IRQ context deadlocks to worry about either. Rejoice!
  4112. */
  4113. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  4114. if (!netif_queue_stopped(dev)) {
  4115. netif_stop_queue(dev);
  4116. /* This is a hard error, log it. */
  4117. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
  4118. "queue awake!\n", dev->name);
  4119. }
  4120. return NETDEV_TX_BUSY;
  4121. }
  4122. entry = tp->tx_prod;
  4123. base_flags = 0;
  4124. if (skb->ip_summed == CHECKSUM_PARTIAL)
  4125. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  4126. mss = 0;
  4127. if ((mss = skb_shinfo(skb)->gso_size) != 0) {
  4128. struct iphdr *iph;
  4129. int tcp_opt_len, ip_tcp_len, hdr_len;
  4130. if (skb_header_cloned(skb) &&
  4131. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  4132. dev_kfree_skb(skb);
  4133. goto out_unlock;
  4134. }
  4135. tcp_opt_len = tcp_optlen(skb);
  4136. ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
  4137. hdr_len = ip_tcp_len + tcp_opt_len;
  4138. if (unlikely((ETH_HLEN + hdr_len) > 80) &&
  4139. (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
  4140. return (tg3_tso_bug(tp, skb));
  4141. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  4142. TXD_FLAG_CPU_POST_DMA);
  4143. iph = ip_hdr(skb);
  4144. iph->check = 0;
  4145. iph->tot_len = htons(mss + hdr_len);
  4146. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  4147. tcp_hdr(skb)->check = 0;
  4148. base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
  4149. } else
  4150. tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
  4151. iph->daddr, 0,
  4152. IPPROTO_TCP,
  4153. 0);
  4154. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
  4155. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
  4156. if (tcp_opt_len || iph->ihl > 5) {
  4157. int tsflags;
  4158. tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
  4159. mss |= (tsflags << 11);
  4160. }
  4161. } else {
  4162. if (tcp_opt_len || iph->ihl > 5) {
  4163. int tsflags;
  4164. tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
  4165. base_flags |= tsflags << 12;
  4166. }
  4167. }
  4168. }
  4169. #if TG3_VLAN_TAG_USED
  4170. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  4171. base_flags |= (TXD_FLAG_VLAN |
  4172. (vlan_tx_tag_get(skb) << 16));
  4173. #endif
  4174. if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
  4175. dev_kfree_skb(skb);
  4176. goto out_unlock;
  4177. }
  4178. sp = skb_shinfo(skb);
  4179. mapping = sp->dma_maps[0];
  4180. tp->tx_buffers[entry].skb = skb;
  4181. would_hit_hwbug = 0;
  4182. if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
  4183. would_hit_hwbug = 1;
  4184. else if (tg3_4g_overflow_test(mapping, len))
  4185. would_hit_hwbug = 1;
  4186. tg3_set_txd(tp, entry, mapping, len, base_flags,
  4187. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  4188. entry = NEXT_TX(entry);
  4189. /* Now loop through additional data fragments, and queue them. */
  4190. if (skb_shinfo(skb)->nr_frags > 0) {
  4191. unsigned int i, last;
  4192. last = skb_shinfo(skb)->nr_frags - 1;
  4193. for (i = 0; i <= last; i++) {
  4194. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  4195. len = frag->size;
  4196. mapping = sp->dma_maps[i + 1];
  4197. tp->tx_buffers[entry].skb = NULL;
  4198. if (tg3_4g_overflow_test(mapping, len))
  4199. would_hit_hwbug = 1;
  4200. if (tg3_40bit_overflow_test(tp, mapping, len))
  4201. would_hit_hwbug = 1;
  4202. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4203. tg3_set_txd(tp, entry, mapping, len,
  4204. base_flags, (i == last)|(mss << 1));
  4205. else
  4206. tg3_set_txd(tp, entry, mapping, len,
  4207. base_flags, (i == last));
  4208. entry = NEXT_TX(entry);
  4209. }
  4210. }
  4211. if (would_hit_hwbug) {
  4212. u32 last_plus_one = entry;
  4213. u32 start;
  4214. start = entry - 1 - skb_shinfo(skb)->nr_frags;
  4215. start &= (TG3_TX_RING_SIZE - 1);
  4216. /* If the workaround fails due to memory/mapping
  4217. * failure, silently drop this packet.
  4218. */
  4219. if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
  4220. &start, base_flags, mss))
  4221. goto out_unlock;
  4222. entry = start;
  4223. }
  4224. /* Packets are ready, update Tx producer idx local and on card. */
  4225. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  4226. tp->tx_prod = entry;
  4227. if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
  4228. netif_stop_queue(dev);
  4229. if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
  4230. netif_wake_queue(tp->dev);
  4231. }
  4232. out_unlock:
  4233. mmiowb();
  4234. dev->trans_start = jiffies;
  4235. return NETDEV_TX_OK;
  4236. }
  4237. static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
  4238. int new_mtu)
  4239. {
  4240. dev->mtu = new_mtu;
  4241. if (new_mtu > ETH_DATA_LEN) {
  4242. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  4243. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  4244. ethtool_op_set_tso(dev, 0);
  4245. }
  4246. else
  4247. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  4248. } else {
  4249. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  4250. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  4251. tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
  4252. }
  4253. }
  4254. static int tg3_change_mtu(struct net_device *dev, int new_mtu)
  4255. {
  4256. struct tg3 *tp = netdev_priv(dev);
  4257. int err;
  4258. if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
  4259. return -EINVAL;
  4260. if (!netif_running(dev)) {
  4261. /* We'll just catch it later when the
  4262. * device is up'd.
  4263. */
  4264. tg3_set_mtu(dev, tp, new_mtu);
  4265. return 0;
  4266. }
  4267. tg3_phy_stop(tp);
  4268. tg3_netif_stop(tp);
  4269. tg3_full_lock(tp, 1);
  4270. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  4271. tg3_set_mtu(dev, tp, new_mtu);
  4272. err = tg3_restart_hw(tp, 0);
  4273. if (!err)
  4274. tg3_netif_start(tp);
  4275. tg3_full_unlock(tp);
  4276. if (!err)
  4277. tg3_phy_start(tp);
  4278. return err;
  4279. }
  4280. /* Free up pending packets in all rx/tx rings.
  4281. *
  4282. * The chip has been shut down and the driver detached from
  4283. * the networking, so no interrupts or new tx packets will
  4284. * end up in the driver. tp->{tx,}lock is not held and we are not
  4285. * in an interrupt context and thus may sleep.
  4286. */
  4287. static void tg3_free_rings(struct tg3 *tp)
  4288. {
  4289. struct ring_info *rxp;
  4290. int i;
  4291. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  4292. rxp = &tp->rx_std_buffers[i];
  4293. if (rxp->skb == NULL)
  4294. continue;
  4295. pci_unmap_single(tp->pdev,
  4296. pci_unmap_addr(rxp, mapping),
  4297. tp->rx_pkt_buf_sz - tp->rx_offset,
  4298. PCI_DMA_FROMDEVICE);
  4299. dev_kfree_skb_any(rxp->skb);
  4300. rxp->skb = NULL;
  4301. }
  4302. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  4303. rxp = &tp->rx_jumbo_buffers[i];
  4304. if (rxp->skb == NULL)
  4305. continue;
  4306. pci_unmap_single(tp->pdev,
  4307. pci_unmap_addr(rxp, mapping),
  4308. RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
  4309. PCI_DMA_FROMDEVICE);
  4310. dev_kfree_skb_any(rxp->skb);
  4311. rxp->skb = NULL;
  4312. }
  4313. for (i = 0; i < TG3_TX_RING_SIZE; ) {
  4314. struct tx_ring_info *txp;
  4315. struct sk_buff *skb;
  4316. txp = &tp->tx_buffers[i];
  4317. skb = txp->skb;
  4318. if (skb == NULL) {
  4319. i++;
  4320. continue;
  4321. }
  4322. skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
  4323. txp->skb = NULL;
  4324. i += skb_shinfo(skb)->nr_frags + 1;
  4325. dev_kfree_skb_any(skb);
  4326. }
  4327. }
  4328. /* Initialize tx/rx rings for packet processing.
  4329. *
  4330. * The chip has been shut down and the driver detached from
  4331. * the networking, so no interrupts or new tx packets will
  4332. * end up in the driver. tp->{tx,}lock are held and thus
  4333. * we may not sleep.
  4334. */
  4335. static int tg3_init_rings(struct tg3 *tp)
  4336. {
  4337. u32 i;
  4338. /* Free up all the SKBs. */
  4339. tg3_free_rings(tp);
  4340. /* Zero out all descriptors. */
  4341. memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
  4342. memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
  4343. memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
  4344. memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
  4345. tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
  4346. if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
  4347. (tp->dev->mtu > ETH_DATA_LEN))
  4348. tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
  4349. /* Initialize invariants of the rings, we only set this
  4350. * stuff once. This works because the card does not
  4351. * write into the rx buffer posting rings.
  4352. */
  4353. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  4354. struct tg3_rx_buffer_desc *rxd;
  4355. rxd = &tp->rx_std[i];
  4356. rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
  4357. << RXD_LEN_SHIFT;
  4358. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
  4359. rxd->opaque = (RXD_OPAQUE_RING_STD |
  4360. (i << RXD_OPAQUE_INDEX_SHIFT));
  4361. }
  4362. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  4363. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  4364. struct tg3_rx_buffer_desc *rxd;
  4365. rxd = &tp->rx_jumbo[i];
  4366. rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
  4367. << RXD_LEN_SHIFT;
  4368. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
  4369. RXD_FLAG_JUMBO;
  4370. rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
  4371. (i << RXD_OPAQUE_INDEX_SHIFT));
  4372. }
  4373. }
  4374. /* Now allocate fresh SKBs for each rx ring. */
  4375. for (i = 0; i < tp->rx_pending; i++) {
  4376. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
  4377. printk(KERN_WARNING PFX
  4378. "%s: Using a smaller RX standard ring, "
  4379. "only %d out of %d buffers were allocated "
  4380. "successfully.\n",
  4381. tp->dev->name, i, tp->rx_pending);
  4382. if (i == 0)
  4383. return -ENOMEM;
  4384. tp->rx_pending = i;
  4385. break;
  4386. }
  4387. }
  4388. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  4389. for (i = 0; i < tp->rx_jumbo_pending; i++) {
  4390. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
  4391. -1, i) < 0) {
  4392. printk(KERN_WARNING PFX
  4393. "%s: Using a smaller RX jumbo ring, "
  4394. "only %d out of %d buffers were "
  4395. "allocated successfully.\n",
  4396. tp->dev->name, i, tp->rx_jumbo_pending);
  4397. if (i == 0) {
  4398. tg3_free_rings(tp);
  4399. return -ENOMEM;
  4400. }
  4401. tp->rx_jumbo_pending = i;
  4402. break;
  4403. }
  4404. }
  4405. }
  4406. return 0;
  4407. }
  4408. /*
  4409. * Must not be invoked with interrupt sources disabled and
  4410. * the hardware shutdown down.
  4411. */
  4412. static void tg3_free_consistent(struct tg3 *tp)
  4413. {
  4414. kfree(tp->rx_std_buffers);
  4415. tp->rx_std_buffers = NULL;
  4416. if (tp->rx_std) {
  4417. pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
  4418. tp->rx_std, tp->rx_std_mapping);
  4419. tp->rx_std = NULL;
  4420. }
  4421. if (tp->rx_jumbo) {
  4422. pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  4423. tp->rx_jumbo, tp->rx_jumbo_mapping);
  4424. tp->rx_jumbo = NULL;
  4425. }
  4426. if (tp->rx_rcb) {
  4427. pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  4428. tp->rx_rcb, tp->rx_rcb_mapping);
  4429. tp->rx_rcb = NULL;
  4430. }
  4431. if (tp->tx_ring) {
  4432. pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
  4433. tp->tx_ring, tp->tx_desc_mapping);
  4434. tp->tx_ring = NULL;
  4435. }
  4436. if (tp->hw_status) {
  4437. pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
  4438. tp->hw_status, tp->status_mapping);
  4439. tp->hw_status = NULL;
  4440. }
  4441. if (tp->hw_stats) {
  4442. pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
  4443. tp->hw_stats, tp->stats_mapping);
  4444. tp->hw_stats = NULL;
  4445. }
  4446. }
  4447. /*
  4448. * Must not be invoked with interrupt sources disabled and
  4449. * the hardware shutdown down. Can sleep.
  4450. */
  4451. static int tg3_alloc_consistent(struct tg3 *tp)
  4452. {
  4453. tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
  4454. (TG3_RX_RING_SIZE +
  4455. TG3_RX_JUMBO_RING_SIZE)) +
  4456. (sizeof(struct tx_ring_info) *
  4457. TG3_TX_RING_SIZE),
  4458. GFP_KERNEL);
  4459. if (!tp->rx_std_buffers)
  4460. return -ENOMEM;
  4461. tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
  4462. tp->tx_buffers = (struct tx_ring_info *)
  4463. &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
  4464. tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
  4465. &tp->rx_std_mapping);
  4466. if (!tp->rx_std)
  4467. goto err_out;
  4468. tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  4469. &tp->rx_jumbo_mapping);
  4470. if (!tp->rx_jumbo)
  4471. goto err_out;
  4472. tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  4473. &tp->rx_rcb_mapping);
  4474. if (!tp->rx_rcb)
  4475. goto err_out;
  4476. tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
  4477. &tp->tx_desc_mapping);
  4478. if (!tp->tx_ring)
  4479. goto err_out;
  4480. tp->hw_status = pci_alloc_consistent(tp->pdev,
  4481. TG3_HW_STATUS_SIZE,
  4482. &tp->status_mapping);
  4483. if (!tp->hw_status)
  4484. goto err_out;
  4485. tp->hw_stats = pci_alloc_consistent(tp->pdev,
  4486. sizeof(struct tg3_hw_stats),
  4487. &tp->stats_mapping);
  4488. if (!tp->hw_stats)
  4489. goto err_out;
  4490. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  4491. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  4492. return 0;
  4493. err_out:
  4494. tg3_free_consistent(tp);
  4495. return -ENOMEM;
  4496. }
  4497. #define MAX_WAIT_CNT 1000
  4498. /* To stop a block, clear the enable bit and poll till it
  4499. * clears. tp->lock is held.
  4500. */
  4501. static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
  4502. {
  4503. unsigned int i;
  4504. u32 val;
  4505. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  4506. switch (ofs) {
  4507. case RCVLSC_MODE:
  4508. case DMAC_MODE:
  4509. case MBFREE_MODE:
  4510. case BUFMGR_MODE:
  4511. case MEMARB_MODE:
  4512. /* We can't enable/disable these bits of the
  4513. * 5705/5750, just say success.
  4514. */
  4515. return 0;
  4516. default:
  4517. break;
  4518. }
  4519. }
  4520. val = tr32(ofs);
  4521. val &= ~enable_bit;
  4522. tw32_f(ofs, val);
  4523. for (i = 0; i < MAX_WAIT_CNT; i++) {
  4524. udelay(100);
  4525. val = tr32(ofs);
  4526. if ((val & enable_bit) == 0)
  4527. break;
  4528. }
  4529. if (i == MAX_WAIT_CNT && !silent) {
  4530. printk(KERN_ERR PFX "tg3_stop_block timed out, "
  4531. "ofs=%lx enable_bit=%x\n",
  4532. ofs, enable_bit);
  4533. return -ENODEV;
  4534. }
  4535. return 0;
  4536. }
  4537. /* tp->lock is held. */
  4538. static int tg3_abort_hw(struct tg3 *tp, int silent)
  4539. {
  4540. int i, err;
  4541. tg3_disable_ints(tp);
  4542. tp->rx_mode &= ~RX_MODE_ENABLE;
  4543. tw32_f(MAC_RX_MODE, tp->rx_mode);
  4544. udelay(10);
  4545. err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
  4546. err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
  4547. err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
  4548. err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
  4549. err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
  4550. err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
  4551. err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
  4552. err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
  4553. err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
  4554. err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
  4555. err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
  4556. err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
  4557. err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
  4558. tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
  4559. tw32_f(MAC_MODE, tp->mac_mode);
  4560. udelay(40);
  4561. tp->tx_mode &= ~TX_MODE_ENABLE;
  4562. tw32_f(MAC_TX_MODE, tp->tx_mode);
  4563. for (i = 0; i < MAX_WAIT_CNT; i++) {
  4564. udelay(100);
  4565. if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
  4566. break;
  4567. }
  4568. if (i >= MAX_WAIT_CNT) {
  4569. printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
  4570. "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
  4571. tp->dev->name, tr32(MAC_TX_MODE));
  4572. err |= -ENODEV;
  4573. }
  4574. err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
  4575. err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
  4576. err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
  4577. tw32(FTQ_RESET, 0xffffffff);
  4578. tw32(FTQ_RESET, 0x00000000);
  4579. err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
  4580. err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
  4581. if (tp->hw_status)
  4582. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  4583. if (tp->hw_stats)
  4584. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  4585. return err;
  4586. }
  4587. /* tp->lock is held. */
  4588. static int tg3_nvram_lock(struct tg3 *tp)
  4589. {
  4590. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  4591. int i;
  4592. if (tp->nvram_lock_cnt == 0) {
  4593. tw32(NVRAM_SWARB, SWARB_REQ_SET1);
  4594. for (i = 0; i < 8000; i++) {
  4595. if (tr32(NVRAM_SWARB) & SWARB_GNT1)
  4596. break;
  4597. udelay(20);
  4598. }
  4599. if (i == 8000) {
  4600. tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
  4601. return -ENODEV;
  4602. }
  4603. }
  4604. tp->nvram_lock_cnt++;
  4605. }
  4606. return 0;
  4607. }
  4608. /* tp->lock is held. */
  4609. static void tg3_nvram_unlock(struct tg3 *tp)
  4610. {
  4611. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  4612. if (tp->nvram_lock_cnt > 0)
  4613. tp->nvram_lock_cnt--;
  4614. if (tp->nvram_lock_cnt == 0)
  4615. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
  4616. }
  4617. }
  4618. /* tp->lock is held. */
  4619. static void tg3_enable_nvram_access(struct tg3 *tp)
  4620. {
  4621. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  4622. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  4623. u32 nvaccess = tr32(NVRAM_ACCESS);
  4624. tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
  4625. }
  4626. }
  4627. /* tp->lock is held. */
  4628. static void tg3_disable_nvram_access(struct tg3 *tp)
  4629. {
  4630. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  4631. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  4632. u32 nvaccess = tr32(NVRAM_ACCESS);
  4633. tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
  4634. }
  4635. }
  4636. static void tg3_ape_send_event(struct tg3 *tp, u32 event)
  4637. {
  4638. int i;
  4639. u32 apedata;
  4640. apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
  4641. if (apedata != APE_SEG_SIG_MAGIC)
  4642. return;
  4643. apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
  4644. if (!(apedata & APE_FW_STATUS_READY))
  4645. return;
  4646. /* Wait for up to 1 millisecond for APE to service previous event. */
  4647. for (i = 0; i < 10; i++) {
  4648. if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
  4649. return;
  4650. apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
  4651. if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
  4652. tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
  4653. event | APE_EVENT_STATUS_EVENT_PENDING);
  4654. tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
  4655. if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
  4656. break;
  4657. udelay(100);
  4658. }
  4659. if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
  4660. tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
  4661. }
  4662. static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
  4663. {
  4664. u32 event;
  4665. u32 apedata;
  4666. if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
  4667. return;
  4668. switch (kind) {
  4669. case RESET_KIND_INIT:
  4670. tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
  4671. APE_HOST_SEG_SIG_MAGIC);
  4672. tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
  4673. APE_HOST_SEG_LEN_MAGIC);
  4674. apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
  4675. tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
  4676. tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
  4677. APE_HOST_DRIVER_ID_MAGIC);
  4678. tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
  4679. APE_HOST_BEHAV_NO_PHYLOCK);
  4680. event = APE_EVENT_STATUS_STATE_START;
  4681. break;
  4682. case RESET_KIND_SHUTDOWN:
  4683. /* With the interface we are currently using,
  4684. * APE does not track driver state. Wiping
  4685. * out the HOST SEGMENT SIGNATURE forces
  4686. * the APE to assume OS absent status.
  4687. */
  4688. tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
  4689. event = APE_EVENT_STATUS_STATE_UNLOAD;
  4690. break;
  4691. case RESET_KIND_SUSPEND:
  4692. event = APE_EVENT_STATUS_STATE_SUSPEND;
  4693. break;
  4694. default:
  4695. return;
  4696. }
  4697. event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
  4698. tg3_ape_send_event(tp, event);
  4699. }
  4700. /* tp->lock is held. */
  4701. static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
  4702. {
  4703. tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
  4704. NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
  4705. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  4706. switch (kind) {
  4707. case RESET_KIND_INIT:
  4708. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4709. DRV_STATE_START);
  4710. break;
  4711. case RESET_KIND_SHUTDOWN:
  4712. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4713. DRV_STATE_UNLOAD);
  4714. break;
  4715. case RESET_KIND_SUSPEND:
  4716. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4717. DRV_STATE_SUSPEND);
  4718. break;
  4719. default:
  4720. break;
  4721. }
  4722. }
  4723. if (kind == RESET_KIND_INIT ||
  4724. kind == RESET_KIND_SUSPEND)
  4725. tg3_ape_driver_state_change(tp, kind);
  4726. }
  4727. /* tp->lock is held. */
  4728. static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
  4729. {
  4730. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  4731. switch (kind) {
  4732. case RESET_KIND_INIT:
  4733. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4734. DRV_STATE_START_DONE);
  4735. break;
  4736. case RESET_KIND_SHUTDOWN:
  4737. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4738. DRV_STATE_UNLOAD_DONE);
  4739. break;
  4740. default:
  4741. break;
  4742. }
  4743. }
  4744. if (kind == RESET_KIND_SHUTDOWN)
  4745. tg3_ape_driver_state_change(tp, kind);
  4746. }
  4747. /* tp->lock is held. */
  4748. static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
  4749. {
  4750. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  4751. switch (kind) {
  4752. case RESET_KIND_INIT:
  4753. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4754. DRV_STATE_START);
  4755. break;
  4756. case RESET_KIND_SHUTDOWN:
  4757. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4758. DRV_STATE_UNLOAD);
  4759. break;
  4760. case RESET_KIND_SUSPEND:
  4761. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  4762. DRV_STATE_SUSPEND);
  4763. break;
  4764. default:
  4765. break;
  4766. }
  4767. }
  4768. }
  4769. static int tg3_poll_fw(struct tg3 *tp)
  4770. {
  4771. int i;
  4772. u32 val;
  4773. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  4774. /* Wait up to 20ms for init done. */
  4775. for (i = 0; i < 200; i++) {
  4776. if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
  4777. return 0;
  4778. udelay(100);
  4779. }
  4780. return -ENODEV;
  4781. }
  4782. /* Wait for firmware initialization to complete. */
  4783. for (i = 0; i < 100000; i++) {
  4784. tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
  4785. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  4786. break;
  4787. udelay(10);
  4788. }
  4789. /* Chip might not be fitted with firmware. Some Sun onboard
  4790. * parts are configured like that. So don't signal the timeout
  4791. * of the above loop as an error, but do report the lack of
  4792. * running firmware once.
  4793. */
  4794. if (i >= 100000 &&
  4795. !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
  4796. tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
  4797. printk(KERN_INFO PFX "%s: No firmware running.\n",
  4798. tp->dev->name);
  4799. }
  4800. return 0;
  4801. }
  4802. /* Save PCI command register before chip reset */
  4803. static void tg3_save_pci_state(struct tg3 *tp)
  4804. {
  4805. pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
  4806. }
  4807. /* Restore PCI state after chip reset */
  4808. static void tg3_restore_pci_state(struct tg3 *tp)
  4809. {
  4810. u32 val;
  4811. /* Re-enable indirect register accesses. */
  4812. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  4813. tp->misc_host_ctrl);
  4814. /* Set MAX PCI retry to zero. */
  4815. val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
  4816. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  4817. (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
  4818. val |= PCISTATE_RETRY_SAME_DMA;
  4819. /* Allow reads and writes to the APE register and memory space. */
  4820. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
  4821. val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
  4822. PCISTATE_ALLOW_APE_SHMEM_WR;
  4823. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
  4824. pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
  4825. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  4826. pcie_set_readrq(tp->pdev, 4096);
  4827. else {
  4828. pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
  4829. tp->pci_cacheline_sz);
  4830. pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
  4831. tp->pci_lat_timer);
  4832. }
  4833. /* Make sure PCI-X relaxed ordering bit is clear. */
  4834. if (tp->pcix_cap) {
  4835. u16 pcix_cmd;
  4836. pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
  4837. &pcix_cmd);
  4838. pcix_cmd &= ~PCI_X_CMD_ERO;
  4839. pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
  4840. pcix_cmd);
  4841. }
  4842. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  4843. /* Chip reset on 5780 will reset MSI enable bit,
  4844. * so need to restore it.
  4845. */
  4846. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  4847. u16 ctrl;
  4848. pci_read_config_word(tp->pdev,
  4849. tp->msi_cap + PCI_MSI_FLAGS,
  4850. &ctrl);
  4851. pci_write_config_word(tp->pdev,
  4852. tp->msi_cap + PCI_MSI_FLAGS,
  4853. ctrl | PCI_MSI_FLAGS_ENABLE);
  4854. val = tr32(MSGINT_MODE);
  4855. tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
  4856. }
  4857. }
  4858. }
  4859. static void tg3_stop_fw(struct tg3 *);
  4860. /* tp->lock is held. */
  4861. static int tg3_chip_reset(struct tg3 *tp)
  4862. {
  4863. u32 val;
  4864. void (*write_op)(struct tg3 *, u32, u32);
  4865. int err;
  4866. tg3_nvram_lock(tp);
  4867. tg3_mdio_stop(tp);
  4868. tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
  4869. /* No matching tg3_nvram_unlock() after this because
  4870. * chip reset below will undo the nvram lock.
  4871. */
  4872. tp->nvram_lock_cnt = 0;
  4873. /* GRC_MISC_CFG core clock reset will clear the memory
  4874. * enable bit in PCI register 4 and the MSI enable bit
  4875. * on some chips, so we save relevant registers here.
  4876. */
  4877. tg3_save_pci_state(tp);
  4878. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  4879. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  4880. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  4881. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  4882. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  4883. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  4884. tw32(GRC_FASTBOOT_PC, 0);
  4885. /*
  4886. * We must avoid the readl() that normally takes place.
  4887. * It locks machines, causes machine checks, and other
  4888. * fun things. So, temporarily disable the 5701
  4889. * hardware workaround, while we do the reset.
  4890. */
  4891. write_op = tp->write32;
  4892. if (write_op == tg3_write_flush_reg32)
  4893. tp->write32 = tg3_write32;
  4894. /* Prevent the irq handler from reading or writing PCI registers
  4895. * during chip reset when the memory enable bit in the PCI command
  4896. * register may be cleared. The chip does not generate interrupt
  4897. * at this time, but the irq handler may still be called due to irq
  4898. * sharing or irqpoll.
  4899. */
  4900. tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
  4901. if (tp->hw_status) {
  4902. tp->hw_status->status = 0;
  4903. tp->hw_status->status_tag = 0;
  4904. }
  4905. tp->last_tag = 0;
  4906. smp_mb();
  4907. synchronize_irq(tp->pdev->irq);
  4908. /* do the reset */
  4909. val = GRC_MISC_CFG_CORECLK_RESET;
  4910. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  4911. if (tr32(0x7e2c) == 0x60) {
  4912. tw32(0x7e2c, 0x20);
  4913. }
  4914. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  4915. tw32(GRC_MISC_CFG, (1 << 29));
  4916. val |= (1 << 29);
  4917. }
  4918. }
  4919. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  4920. tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
  4921. tw32(GRC_VCPU_EXT_CTRL,
  4922. tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
  4923. }
  4924. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4925. val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
  4926. tw32(GRC_MISC_CFG, val);
  4927. /* restore 5701 hardware bug workaround write method */
  4928. tp->write32 = write_op;
  4929. /* Unfortunately, we have to delay before the PCI read back.
  4930. * Some 575X chips even will not respond to a PCI cfg access
  4931. * when the reset command is given to the chip.
  4932. *
  4933. * How do these hardware designers expect things to work
  4934. * properly if the PCI write is posted for a long period
  4935. * of time? It is always necessary to have some method by
  4936. * which a register read back can occur to push the write
  4937. * out which does the reset.
  4938. *
  4939. * For most tg3 variants the trick below was working.
  4940. * Ho hum...
  4941. */
  4942. udelay(120);
  4943. /* Flush PCI posted writes. The normal MMIO registers
  4944. * are inaccessible at this time so this is the only
  4945. * way to make this reliably (actually, this is no longer
  4946. * the case, see above). I tried to use indirect
  4947. * register read/write but this upset some 5701 variants.
  4948. */
  4949. pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
  4950. udelay(120);
  4951. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  4952. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
  4953. int i;
  4954. u32 cfg_val;
  4955. /* Wait for link training to complete. */
  4956. for (i = 0; i < 5000; i++)
  4957. udelay(100);
  4958. pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
  4959. pci_write_config_dword(tp->pdev, 0xc4,
  4960. cfg_val | (1 << 15));
  4961. }
  4962. /* Set PCIE max payload size and clear error status. */
  4963. pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
  4964. }
  4965. tg3_restore_pci_state(tp);
  4966. tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
  4967. val = 0;
  4968. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  4969. val = tr32(MEMARB_MODE);
  4970. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  4971. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
  4972. tg3_stop_fw(tp);
  4973. tw32(0x5000, 0x400);
  4974. }
  4975. tw32(GRC_MODE, tp->grc_mode);
  4976. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
  4977. val = tr32(0xc4);
  4978. tw32(0xc4, val | (1 << 15));
  4979. }
  4980. if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
  4981. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4982. tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
  4983. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
  4984. tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
  4985. tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  4986. }
  4987. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  4988. tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
  4989. tw32_f(MAC_MODE, tp->mac_mode);
  4990. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  4991. tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
  4992. tw32_f(MAC_MODE, tp->mac_mode);
  4993. } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
  4994. tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
  4995. if (tp->mac_mode & MAC_MODE_APE_TX_EN)
  4996. tp->mac_mode |= MAC_MODE_TDE_ENABLE;
  4997. tw32_f(MAC_MODE, tp->mac_mode);
  4998. } else
  4999. tw32_f(MAC_MODE, 0);
  5000. udelay(40);
  5001. tg3_mdio_start(tp);
  5002. tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
  5003. err = tg3_poll_fw(tp);
  5004. if (err)
  5005. return err;
  5006. if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  5007. tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  5008. val = tr32(0x7c00);
  5009. tw32(0x7c00, val | (1 << 25));
  5010. }
  5011. /* Reprobe ASF enable state. */
  5012. tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
  5013. tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
  5014. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  5015. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  5016. u32 nic_cfg;
  5017. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  5018. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  5019. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  5020. tp->last_event_jiffies = jiffies;
  5021. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  5022. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  5023. }
  5024. }
  5025. return 0;
  5026. }
  5027. /* tp->lock is held. */
  5028. static void tg3_stop_fw(struct tg3 *tp)
  5029. {
  5030. if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
  5031. !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
  5032. /* Wait for RX cpu to ACK the previous event. */
  5033. tg3_wait_for_event_ack(tp);
  5034. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
  5035. tg3_generate_fw_event(tp);
  5036. /* Wait for RX cpu to ACK this event. */
  5037. tg3_wait_for_event_ack(tp);
  5038. }
  5039. }
  5040. /* tp->lock is held. */
  5041. static int tg3_halt(struct tg3 *tp, int kind, int silent)
  5042. {
  5043. int err;
  5044. tg3_stop_fw(tp);
  5045. tg3_write_sig_pre_reset(tp, kind);
  5046. tg3_abort_hw(tp, silent);
  5047. err = tg3_chip_reset(tp);
  5048. tg3_write_sig_legacy(tp, kind);
  5049. tg3_write_sig_post_reset(tp, kind);
  5050. if (err)
  5051. return err;
  5052. return 0;
  5053. }
  5054. #define TG3_FW_RELEASE_MAJOR 0x0
  5055. #define TG3_FW_RELASE_MINOR 0x0
  5056. #define TG3_FW_RELEASE_FIX 0x0
  5057. #define TG3_FW_START_ADDR 0x08000000
  5058. #define TG3_FW_TEXT_ADDR 0x08000000
  5059. #define TG3_FW_TEXT_LEN 0x9c0
  5060. #define TG3_FW_RODATA_ADDR 0x080009c0
  5061. #define TG3_FW_RODATA_LEN 0x60
  5062. #define TG3_FW_DATA_ADDR 0x08000a40
  5063. #define TG3_FW_DATA_LEN 0x20
  5064. #define TG3_FW_SBSS_ADDR 0x08000a60
  5065. #define TG3_FW_SBSS_LEN 0xc
  5066. #define TG3_FW_BSS_ADDR 0x08000a70
  5067. #define TG3_FW_BSS_LEN 0x10
  5068. static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
  5069. 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
  5070. 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
  5071. 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
  5072. 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
  5073. 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
  5074. 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
  5075. 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
  5076. 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
  5077. 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
  5078. 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
  5079. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
  5080. 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
  5081. 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
  5082. 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
  5083. 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
  5084. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  5085. 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
  5086. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
  5087. 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
  5088. 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  5089. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
  5090. 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
  5091. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  5092. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  5093. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  5094. 0, 0, 0, 0, 0, 0,
  5095. 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
  5096. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  5097. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  5098. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  5099. 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
  5100. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
  5101. 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
  5102. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
  5103. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  5104. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  5105. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
  5106. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  5107. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  5108. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  5109. 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
  5110. 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
  5111. 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
  5112. 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
  5113. 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
  5114. 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
  5115. 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
  5116. 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
  5117. 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
  5118. 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
  5119. 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
  5120. 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
  5121. 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
  5122. 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
  5123. 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
  5124. 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
  5125. 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
  5126. 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
  5127. 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
  5128. 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
  5129. 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
  5130. 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
  5131. 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
  5132. 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
  5133. 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
  5134. 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
  5135. 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
  5136. 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
  5137. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
  5138. 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
  5139. 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
  5140. 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
  5141. 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
  5142. 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
  5143. 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
  5144. 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
  5145. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
  5146. 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
  5147. 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
  5148. 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
  5149. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
  5150. 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
  5151. 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
  5152. 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
  5153. 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
  5154. 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
  5155. 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
  5156. 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
  5157. 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
  5158. 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
  5159. 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
  5160. };
  5161. static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
  5162. 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
  5163. 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
  5164. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  5165. 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
  5166. 0x00000000
  5167. };
  5168. #if 0 /* All zeros, don't eat up space with it. */
  5169. u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
  5170. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  5171. 0x00000000, 0x00000000, 0x00000000, 0x00000000
  5172. };
  5173. #endif
  5174. #define RX_CPU_SCRATCH_BASE 0x30000
  5175. #define RX_CPU_SCRATCH_SIZE 0x04000
  5176. #define TX_CPU_SCRATCH_BASE 0x34000
  5177. #define TX_CPU_SCRATCH_SIZE 0x04000
  5178. /* tp->lock is held. */
  5179. static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
  5180. {
  5181. int i;
  5182. BUG_ON(offset == TX_CPU_BASE &&
  5183. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
  5184. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  5185. u32 val = tr32(GRC_VCPU_EXT_CTRL);
  5186. tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
  5187. return 0;
  5188. }
  5189. if (offset == RX_CPU_BASE) {
  5190. for (i = 0; i < 10000; i++) {
  5191. tw32(offset + CPU_STATE, 0xffffffff);
  5192. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  5193. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  5194. break;
  5195. }
  5196. tw32(offset + CPU_STATE, 0xffffffff);
  5197. tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
  5198. udelay(10);
  5199. } else {
  5200. for (i = 0; i < 10000; i++) {
  5201. tw32(offset + CPU_STATE, 0xffffffff);
  5202. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  5203. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  5204. break;
  5205. }
  5206. }
  5207. if (i >= 10000) {
  5208. printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
  5209. "and %s CPU\n",
  5210. tp->dev->name,
  5211. (offset == RX_CPU_BASE ? "RX" : "TX"));
  5212. return -ENODEV;
  5213. }
  5214. /* Clear firmware's nvram arbitration. */
  5215. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  5216. tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
  5217. return 0;
  5218. }
  5219. struct fw_info {
  5220. unsigned int text_base;
  5221. unsigned int text_len;
  5222. const u32 *text_data;
  5223. unsigned int rodata_base;
  5224. unsigned int rodata_len;
  5225. const u32 *rodata_data;
  5226. unsigned int data_base;
  5227. unsigned int data_len;
  5228. const u32 *data_data;
  5229. };
  5230. /* tp->lock is held. */
  5231. static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
  5232. int cpu_scratch_size, struct fw_info *info)
  5233. {
  5234. int err, lock_err, i;
  5235. void (*write_op)(struct tg3 *, u32, u32);
  5236. if (cpu_base == TX_CPU_BASE &&
  5237. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5238. printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
  5239. "TX cpu firmware on %s which is 5705.\n",
  5240. tp->dev->name);
  5241. return -EINVAL;
  5242. }
  5243. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  5244. write_op = tg3_write_mem;
  5245. else
  5246. write_op = tg3_write_indirect_reg32;
  5247. /* It is possible that bootcode is still loading at this point.
  5248. * Get the nvram lock first before halting the cpu.
  5249. */
  5250. lock_err = tg3_nvram_lock(tp);
  5251. err = tg3_halt_cpu(tp, cpu_base);
  5252. if (!lock_err)
  5253. tg3_nvram_unlock(tp);
  5254. if (err)
  5255. goto out;
  5256. for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
  5257. write_op(tp, cpu_scratch_base + i, 0);
  5258. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5259. tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
  5260. for (i = 0; i < (info->text_len / sizeof(u32)); i++)
  5261. write_op(tp, (cpu_scratch_base +
  5262. (info->text_base & 0xffff) +
  5263. (i * sizeof(u32))),
  5264. (info->text_data ?
  5265. info->text_data[i] : 0));
  5266. for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
  5267. write_op(tp, (cpu_scratch_base +
  5268. (info->rodata_base & 0xffff) +
  5269. (i * sizeof(u32))),
  5270. (info->rodata_data ?
  5271. info->rodata_data[i] : 0));
  5272. for (i = 0; i < (info->data_len / sizeof(u32)); i++)
  5273. write_op(tp, (cpu_scratch_base +
  5274. (info->data_base & 0xffff) +
  5275. (i * sizeof(u32))),
  5276. (info->data_data ?
  5277. info->data_data[i] : 0));
  5278. err = 0;
  5279. out:
  5280. return err;
  5281. }
  5282. /* tp->lock is held. */
  5283. static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
  5284. {
  5285. struct fw_info info;
  5286. int err, i;
  5287. info.text_base = TG3_FW_TEXT_ADDR;
  5288. info.text_len = TG3_FW_TEXT_LEN;
  5289. info.text_data = &tg3FwText[0];
  5290. info.rodata_base = TG3_FW_RODATA_ADDR;
  5291. info.rodata_len = TG3_FW_RODATA_LEN;
  5292. info.rodata_data = &tg3FwRodata[0];
  5293. info.data_base = TG3_FW_DATA_ADDR;
  5294. info.data_len = TG3_FW_DATA_LEN;
  5295. info.data_data = NULL;
  5296. err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
  5297. RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
  5298. &info);
  5299. if (err)
  5300. return err;
  5301. err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
  5302. TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
  5303. &info);
  5304. if (err)
  5305. return err;
  5306. /* Now startup only the RX cpu. */
  5307. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  5308. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  5309. for (i = 0; i < 5; i++) {
  5310. if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
  5311. break;
  5312. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  5313. tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
  5314. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  5315. udelay(1000);
  5316. }
  5317. if (i >= 5) {
  5318. printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
  5319. "to set RX CPU PC, is %08x should be %08x\n",
  5320. tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
  5321. TG3_FW_TEXT_ADDR);
  5322. return -ENODEV;
  5323. }
  5324. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  5325. tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
  5326. return 0;
  5327. }
  5328. #define TG3_TSO_FW_RELEASE_MAJOR 0x1
  5329. #define TG3_TSO_FW_RELASE_MINOR 0x6
  5330. #define TG3_TSO_FW_RELEASE_FIX 0x0
  5331. #define TG3_TSO_FW_START_ADDR 0x08000000
  5332. #define TG3_TSO_FW_TEXT_ADDR 0x08000000
  5333. #define TG3_TSO_FW_TEXT_LEN 0x1aa0
  5334. #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
  5335. #define TG3_TSO_FW_RODATA_LEN 0x60
  5336. #define TG3_TSO_FW_DATA_ADDR 0x08001b20
  5337. #define TG3_TSO_FW_DATA_LEN 0x30
  5338. #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
  5339. #define TG3_TSO_FW_SBSS_LEN 0x2c
  5340. #define TG3_TSO_FW_BSS_ADDR 0x08001b80
  5341. #define TG3_TSO_FW_BSS_LEN 0x894
  5342. static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
  5343. 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
  5344. 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
  5345. 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  5346. 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
  5347. 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
  5348. 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
  5349. 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
  5350. 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
  5351. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
  5352. 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
  5353. 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
  5354. 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
  5355. 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
  5356. 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
  5357. 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
  5358. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
  5359. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
  5360. 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
  5361. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  5362. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
  5363. 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
  5364. 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
  5365. 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
  5366. 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
  5367. 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
  5368. 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
  5369. 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
  5370. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
  5371. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
  5372. 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  5373. 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
  5374. 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
  5375. 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
  5376. 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
  5377. 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
  5378. 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
  5379. 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
  5380. 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
  5381. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  5382. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
  5383. 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
  5384. 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
  5385. 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
  5386. 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
  5387. 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
  5388. 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
  5389. 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
  5390. 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  5391. 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
  5392. 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  5393. 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
  5394. 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
  5395. 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
  5396. 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
  5397. 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
  5398. 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
  5399. 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
  5400. 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
  5401. 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
  5402. 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
  5403. 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
  5404. 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
  5405. 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
  5406. 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
  5407. 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
  5408. 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
  5409. 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
  5410. 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
  5411. 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
  5412. 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
  5413. 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
  5414. 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
  5415. 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
  5416. 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
  5417. 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
  5418. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
  5419. 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
  5420. 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
  5421. 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
  5422. 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
  5423. 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
  5424. 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
  5425. 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
  5426. 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
  5427. 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
  5428. 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
  5429. 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
  5430. 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
  5431. 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
  5432. 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
  5433. 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
  5434. 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
  5435. 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
  5436. 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
  5437. 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
  5438. 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
  5439. 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
  5440. 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
  5441. 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
  5442. 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
  5443. 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
  5444. 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
  5445. 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
  5446. 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
  5447. 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
  5448. 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
  5449. 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
  5450. 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
  5451. 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
  5452. 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
  5453. 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
  5454. 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
  5455. 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
  5456. 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
  5457. 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
  5458. 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
  5459. 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
  5460. 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
  5461. 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
  5462. 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
  5463. 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
  5464. 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
  5465. 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
  5466. 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
  5467. 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
  5468. 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
  5469. 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
  5470. 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
  5471. 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
  5472. 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
  5473. 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
  5474. 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
  5475. 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
  5476. 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
  5477. 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
  5478. 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
  5479. 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
  5480. 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
  5481. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  5482. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
  5483. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
  5484. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
  5485. 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
  5486. 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
  5487. 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
  5488. 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
  5489. 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
  5490. 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
  5491. 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
  5492. 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
  5493. 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
  5494. 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
  5495. 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
  5496. 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
  5497. 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
  5498. 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
  5499. 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
  5500. 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
  5501. 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
  5502. 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
  5503. 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
  5504. 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
  5505. 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
  5506. 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
  5507. 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
  5508. 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
  5509. 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
  5510. 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
  5511. 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
  5512. 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
  5513. 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
  5514. 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
  5515. 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
  5516. 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
  5517. 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
  5518. 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
  5519. 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
  5520. 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
  5521. 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
  5522. 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
  5523. 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
  5524. 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
  5525. 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
  5526. 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
  5527. 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
  5528. 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
  5529. 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
  5530. 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
  5531. 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
  5532. 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
  5533. 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
  5534. 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
  5535. 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
  5536. 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
  5537. 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
  5538. 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
  5539. 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
  5540. 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
  5541. 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
  5542. 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
  5543. 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
  5544. 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
  5545. 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
  5546. 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
  5547. 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
  5548. 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
  5549. 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
  5550. 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
  5551. 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
  5552. 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
  5553. 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
  5554. 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
  5555. 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
  5556. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
  5557. 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
  5558. 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
  5559. 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
  5560. 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
  5561. 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
  5562. 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
  5563. 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  5564. 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
  5565. 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
  5566. 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
  5567. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
  5568. 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
  5569. 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
  5570. 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
  5571. 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
  5572. 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
  5573. 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
  5574. 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
  5575. 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
  5576. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
  5577. 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
  5578. 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
  5579. 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
  5580. 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  5581. 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
  5582. 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
  5583. 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
  5584. 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
  5585. 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
  5586. 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
  5587. 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
  5588. 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
  5589. 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
  5590. 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
  5591. 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
  5592. 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
  5593. 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
  5594. 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
  5595. 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
  5596. 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
  5597. 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
  5598. 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
  5599. 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
  5600. 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
  5601. 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
  5602. 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
  5603. 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
  5604. 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
  5605. 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
  5606. 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
  5607. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  5608. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
  5609. 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
  5610. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
  5611. 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
  5612. 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
  5613. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
  5614. 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
  5615. 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
  5616. 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
  5617. 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
  5618. 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
  5619. 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
  5620. 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
  5621. 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
  5622. 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
  5623. 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
  5624. 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
  5625. 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
  5626. 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
  5627. };
  5628. static const u32 tg3TsoFwRodata[] = {
  5629. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  5630. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
  5631. 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
  5632. 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
  5633. 0x00000000,
  5634. };
  5635. static const u32 tg3TsoFwData[] = {
  5636. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
  5637. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  5638. 0x00000000,
  5639. };
  5640. /* 5705 needs a special version of the TSO firmware. */
  5641. #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
  5642. #define TG3_TSO5_FW_RELASE_MINOR 0x2
  5643. #define TG3_TSO5_FW_RELEASE_FIX 0x0
  5644. #define TG3_TSO5_FW_START_ADDR 0x00010000
  5645. #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
  5646. #define TG3_TSO5_FW_TEXT_LEN 0xe90
  5647. #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
  5648. #define TG3_TSO5_FW_RODATA_LEN 0x50
  5649. #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
  5650. #define TG3_TSO5_FW_DATA_LEN 0x20
  5651. #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
  5652. #define TG3_TSO5_FW_SBSS_LEN 0x28
  5653. #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
  5654. #define TG3_TSO5_FW_BSS_LEN 0x88
  5655. static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
  5656. 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
  5657. 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
  5658. 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  5659. 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
  5660. 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
  5661. 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
  5662. 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  5663. 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
  5664. 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
  5665. 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
  5666. 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
  5667. 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
  5668. 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
  5669. 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
  5670. 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
  5671. 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
  5672. 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
  5673. 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
  5674. 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
  5675. 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
  5676. 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
  5677. 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
  5678. 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
  5679. 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
  5680. 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
  5681. 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
  5682. 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
  5683. 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
  5684. 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
  5685. 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
  5686. 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  5687. 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
  5688. 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
  5689. 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
  5690. 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
  5691. 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
  5692. 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
  5693. 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
  5694. 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
  5695. 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
  5696. 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
  5697. 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
  5698. 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
  5699. 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
  5700. 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
  5701. 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
  5702. 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
  5703. 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
  5704. 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
  5705. 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
  5706. 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
  5707. 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
  5708. 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
  5709. 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
  5710. 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
  5711. 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
  5712. 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
  5713. 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
  5714. 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
  5715. 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
  5716. 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
  5717. 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
  5718. 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
  5719. 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
  5720. 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
  5721. 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
  5722. 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  5723. 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
  5724. 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
  5725. 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
  5726. 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
  5727. 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
  5728. 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
  5729. 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
  5730. 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
  5731. 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
  5732. 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
  5733. 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
  5734. 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
  5735. 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
  5736. 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
  5737. 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
  5738. 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
  5739. 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
  5740. 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
  5741. 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
  5742. 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
  5743. 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
  5744. 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
  5745. 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
  5746. 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
  5747. 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
  5748. 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
  5749. 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
  5750. 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
  5751. 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
  5752. 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
  5753. 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
  5754. 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
  5755. 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
  5756. 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
  5757. 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
  5758. 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
  5759. 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
  5760. 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
  5761. 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
  5762. 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  5763. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  5764. 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
  5765. 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
  5766. 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
  5767. 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
  5768. 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
  5769. 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
  5770. 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
  5771. 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
  5772. 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
  5773. 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  5774. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  5775. 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
  5776. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
  5777. 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
  5778. 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
  5779. 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  5780. 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
  5781. 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
  5782. 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
  5783. 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
  5784. 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
  5785. 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
  5786. 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
  5787. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
  5788. 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
  5789. 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
  5790. 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
  5791. 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
  5792. 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
  5793. 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
  5794. 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
  5795. 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
  5796. 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
  5797. 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
  5798. 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
  5799. 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
  5800. 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
  5801. 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
  5802. 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
  5803. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  5804. 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
  5805. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
  5806. 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
  5807. 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  5808. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
  5809. 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
  5810. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  5811. 0x00000000, 0x00000000, 0x00000000,
  5812. };
  5813. static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
  5814. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  5815. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
  5816. 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  5817. 0x00000000, 0x00000000, 0x00000000,
  5818. };
  5819. static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
  5820. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
  5821. 0x00000000, 0x00000000, 0x00000000,
  5822. };
  5823. /* tp->lock is held. */
  5824. static int tg3_load_tso_firmware(struct tg3 *tp)
  5825. {
  5826. struct fw_info info;
  5827. unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
  5828. int err, i;
  5829. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  5830. return 0;
  5831. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  5832. info.text_base = TG3_TSO5_FW_TEXT_ADDR;
  5833. info.text_len = TG3_TSO5_FW_TEXT_LEN;
  5834. info.text_data = &tg3Tso5FwText[0];
  5835. info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
  5836. info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
  5837. info.rodata_data = &tg3Tso5FwRodata[0];
  5838. info.data_base = TG3_TSO5_FW_DATA_ADDR;
  5839. info.data_len = TG3_TSO5_FW_DATA_LEN;
  5840. info.data_data = &tg3Tso5FwData[0];
  5841. cpu_base = RX_CPU_BASE;
  5842. cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
  5843. cpu_scratch_size = (info.text_len +
  5844. info.rodata_len +
  5845. info.data_len +
  5846. TG3_TSO5_FW_SBSS_LEN +
  5847. TG3_TSO5_FW_BSS_LEN);
  5848. } else {
  5849. info.text_base = TG3_TSO_FW_TEXT_ADDR;
  5850. info.text_len = TG3_TSO_FW_TEXT_LEN;
  5851. info.text_data = &tg3TsoFwText[0];
  5852. info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
  5853. info.rodata_len = TG3_TSO_FW_RODATA_LEN;
  5854. info.rodata_data = &tg3TsoFwRodata[0];
  5855. info.data_base = TG3_TSO_FW_DATA_ADDR;
  5856. info.data_len = TG3_TSO_FW_DATA_LEN;
  5857. info.data_data = &tg3TsoFwData[0];
  5858. cpu_base = TX_CPU_BASE;
  5859. cpu_scratch_base = TX_CPU_SCRATCH_BASE;
  5860. cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
  5861. }
  5862. err = tg3_load_firmware_cpu(tp, cpu_base,
  5863. cpu_scratch_base, cpu_scratch_size,
  5864. &info);
  5865. if (err)
  5866. return err;
  5867. /* Now startup the cpu. */
  5868. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5869. tw32_f(cpu_base + CPU_PC, info.text_base);
  5870. for (i = 0; i < 5; i++) {
  5871. if (tr32(cpu_base + CPU_PC) == info.text_base)
  5872. break;
  5873. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5874. tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
  5875. tw32_f(cpu_base + CPU_PC, info.text_base);
  5876. udelay(1000);
  5877. }
  5878. if (i >= 5) {
  5879. printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
  5880. "to set CPU PC, is %08x should be %08x\n",
  5881. tp->dev->name, tr32(cpu_base + CPU_PC),
  5882. info.text_base);
  5883. return -ENODEV;
  5884. }
  5885. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5886. tw32_f(cpu_base + CPU_MODE, 0x00000000);
  5887. return 0;
  5888. }
  5889. static int tg3_set_mac_addr(struct net_device *dev, void *p)
  5890. {
  5891. struct tg3 *tp = netdev_priv(dev);
  5892. struct sockaddr *addr = p;
  5893. int err = 0, skip_mac_1 = 0;
  5894. if (!is_valid_ether_addr(addr->sa_data))
  5895. return -EINVAL;
  5896. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  5897. if (!netif_running(dev))
  5898. return 0;
  5899. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  5900. u32 addr0_high, addr0_low, addr1_high, addr1_low;
  5901. addr0_high = tr32(MAC_ADDR_0_HIGH);
  5902. addr0_low = tr32(MAC_ADDR_0_LOW);
  5903. addr1_high = tr32(MAC_ADDR_1_HIGH);
  5904. addr1_low = tr32(MAC_ADDR_1_LOW);
  5905. /* Skip MAC addr 1 if ASF is using it. */
  5906. if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
  5907. !(addr1_high == 0 && addr1_low == 0))
  5908. skip_mac_1 = 1;
  5909. }
  5910. spin_lock_bh(&tp->lock);
  5911. __tg3_set_mac_addr(tp, skip_mac_1);
  5912. spin_unlock_bh(&tp->lock);
  5913. return err;
  5914. }
  5915. /* tp->lock is held. */
  5916. static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
  5917. dma_addr_t mapping, u32 maxlen_flags,
  5918. u32 nic_addr)
  5919. {
  5920. tg3_write_mem(tp,
  5921. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5922. ((u64) mapping >> 32));
  5923. tg3_write_mem(tp,
  5924. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
  5925. ((u64) mapping & 0xffffffff));
  5926. tg3_write_mem(tp,
  5927. (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
  5928. maxlen_flags);
  5929. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5930. tg3_write_mem(tp,
  5931. (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
  5932. nic_addr);
  5933. }
  5934. static void __tg3_set_rx_mode(struct net_device *);
  5935. static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
  5936. {
  5937. tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
  5938. tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
  5939. tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
  5940. tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
  5941. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5942. tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
  5943. tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
  5944. }
  5945. tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
  5946. tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
  5947. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5948. u32 val = ec->stats_block_coalesce_usecs;
  5949. if (!netif_carrier_ok(tp->dev))
  5950. val = 0;
  5951. tw32(HOSTCC_STAT_COAL_TICKS, val);
  5952. }
  5953. }
  5954. /* tp->lock is held. */
  5955. static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
  5956. {
  5957. u32 val, rdmac_mode;
  5958. int i, err, limit;
  5959. tg3_disable_ints(tp);
  5960. tg3_stop_fw(tp);
  5961. tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
  5962. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
  5963. tg3_abort_hw(tp, 1);
  5964. }
  5965. if (reset_phy &&
  5966. !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
  5967. tg3_phy_reset(tp);
  5968. err = tg3_chip_reset(tp);
  5969. if (err)
  5970. return err;
  5971. tg3_write_sig_legacy(tp, RESET_KIND_INIT);
  5972. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
  5973. val = tr32(TG3_CPMU_CTRL);
  5974. val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
  5975. tw32(TG3_CPMU_CTRL, val);
  5976. val = tr32(TG3_CPMU_LSPD_10MB_CLK);
  5977. val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
  5978. val |= CPMU_LSPD_10MB_MACCLK_6_25;
  5979. tw32(TG3_CPMU_LSPD_10MB_CLK, val);
  5980. val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
  5981. val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
  5982. val |= CPMU_LNK_AWARE_MACCLK_6_25;
  5983. tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
  5984. val = tr32(TG3_CPMU_HST_ACC);
  5985. val &= ~CPMU_HST_ACC_MACCLK_MASK;
  5986. val |= CPMU_HST_ACC_MACCLK_6_25;
  5987. tw32(TG3_CPMU_HST_ACC, val);
  5988. }
  5989. /* This works around an issue with Athlon chipsets on
  5990. * B3 tigon3 silicon. This bit has no effect on any
  5991. * other revision. But do not set this on PCI Express
  5992. * chips and don't even touch the clocks if the CPMU is present.
  5993. */
  5994. if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
  5995. if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  5996. tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
  5997. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  5998. }
  5999. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  6000. (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  6001. val = tr32(TG3PCI_PCISTATE);
  6002. val |= PCISTATE_RETRY_SAME_DMA;
  6003. tw32(TG3PCI_PCISTATE, val);
  6004. }
  6005. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
  6006. /* Allow reads and writes to the
  6007. * APE register and memory space.
  6008. */
  6009. val = tr32(TG3PCI_PCISTATE);
  6010. val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
  6011. PCISTATE_ALLOW_APE_SHMEM_WR;
  6012. tw32(TG3PCI_PCISTATE, val);
  6013. }
  6014. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
  6015. /* Enable some hw fixes. */
  6016. val = tr32(TG3PCI_MSI_DATA);
  6017. val |= (1 << 26) | (1 << 28) | (1 << 29);
  6018. tw32(TG3PCI_MSI_DATA, val);
  6019. }
  6020. /* Descriptor ring init may make accesses to the
  6021. * NIC SRAM area to setup the TX descriptors, so we
  6022. * can only do this after the hardware has been
  6023. * successfully reset.
  6024. */
  6025. err = tg3_init_rings(tp);
  6026. if (err)
  6027. return err;
  6028. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
  6029. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
  6030. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
  6031. /* This value is determined during the probe time DMA
  6032. * engine test, tg3_test_dma.
  6033. */
  6034. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  6035. }
  6036. tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
  6037. GRC_MODE_4X_NIC_SEND_RINGS |
  6038. GRC_MODE_NO_TX_PHDR_CSUM |
  6039. GRC_MODE_NO_RX_PHDR_CSUM);
  6040. tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
  6041. /* Pseudo-header checksum is done by hardware logic and not
  6042. * the offload processers, so make the chip do the pseudo-
  6043. * header checksums on receive. For transmit it is more
  6044. * convenient to do the pseudo-header checksum in software
  6045. * as Linux does that on transmit for us in all cases.
  6046. */
  6047. tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
  6048. tw32(GRC_MODE,
  6049. tp->grc_mode |
  6050. (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
  6051. /* Setup the timer prescalar register. Clock is always 66Mhz. */
  6052. val = tr32(GRC_MISC_CFG);
  6053. val &= ~0xff;
  6054. val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
  6055. tw32(GRC_MISC_CFG, val);
  6056. /* Initialize MBUF/DESC pool. */
  6057. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  6058. /* Do nothing. */
  6059. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
  6060. tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
  6061. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  6062. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
  6063. else
  6064. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
  6065. tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
  6066. tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
  6067. }
  6068. else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  6069. int fw_len;
  6070. fw_len = (TG3_TSO5_FW_TEXT_LEN +
  6071. TG3_TSO5_FW_RODATA_LEN +
  6072. TG3_TSO5_FW_DATA_LEN +
  6073. TG3_TSO5_FW_SBSS_LEN +
  6074. TG3_TSO5_FW_BSS_LEN);
  6075. fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
  6076. tw32(BUFMGR_MB_POOL_ADDR,
  6077. NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
  6078. tw32(BUFMGR_MB_POOL_SIZE,
  6079. NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
  6080. }
  6081. if (tp->dev->mtu <= ETH_DATA_LEN) {
  6082. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  6083. tp->bufmgr_config.mbuf_read_dma_low_water);
  6084. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  6085. tp->bufmgr_config.mbuf_mac_rx_low_water);
  6086. tw32(BUFMGR_MB_HIGH_WATER,
  6087. tp->bufmgr_config.mbuf_high_water);
  6088. } else {
  6089. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  6090. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
  6091. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  6092. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
  6093. tw32(BUFMGR_MB_HIGH_WATER,
  6094. tp->bufmgr_config.mbuf_high_water_jumbo);
  6095. }
  6096. tw32(BUFMGR_DMA_LOW_WATER,
  6097. tp->bufmgr_config.dma_low_water);
  6098. tw32(BUFMGR_DMA_HIGH_WATER,
  6099. tp->bufmgr_config.dma_high_water);
  6100. tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
  6101. for (i = 0; i < 2000; i++) {
  6102. if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
  6103. break;
  6104. udelay(10);
  6105. }
  6106. if (i >= 2000) {
  6107. printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
  6108. tp->dev->name);
  6109. return -ENODEV;
  6110. }
  6111. /* Setup replenish threshold. */
  6112. val = tp->rx_pending / 8;
  6113. if (val == 0)
  6114. val = 1;
  6115. else if (val > tp->rx_std_max_post)
  6116. val = tp->rx_std_max_post;
  6117. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  6118. if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
  6119. tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
  6120. if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
  6121. val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
  6122. }
  6123. tw32(RCVBDI_STD_THRESH, val);
  6124. /* Initialize TG3_BDINFO's at:
  6125. * RCVDBDI_STD_BD: standard eth size rx ring
  6126. * RCVDBDI_JUMBO_BD: jumbo frame rx ring
  6127. * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
  6128. *
  6129. * like so:
  6130. * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
  6131. * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
  6132. * ring attribute flags
  6133. * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
  6134. *
  6135. * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
  6136. * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
  6137. *
  6138. * The size of each ring is fixed in the firmware, but the location is
  6139. * configurable.
  6140. */
  6141. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  6142. ((u64) tp->rx_std_mapping >> 32));
  6143. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  6144. ((u64) tp->rx_std_mapping & 0xffffffff));
  6145. tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
  6146. NIC_SRAM_RX_BUFFER_DESC);
  6147. /* Don't even try to program the JUMBO/MINI buffer descriptor
  6148. * configs on 5705.
  6149. */
  6150. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  6151. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  6152. RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
  6153. } else {
  6154. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  6155. RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  6156. tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
  6157. BDINFO_FLAGS_DISABLED);
  6158. /* Setup replenish threshold. */
  6159. tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
  6160. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  6161. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  6162. ((u64) tp->rx_jumbo_mapping >> 32));
  6163. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  6164. ((u64) tp->rx_jumbo_mapping & 0xffffffff));
  6165. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  6166. RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  6167. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
  6168. NIC_SRAM_RX_JUMBO_BUFFER_DESC);
  6169. } else {
  6170. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  6171. BDINFO_FLAGS_DISABLED);
  6172. }
  6173. }
  6174. /* There is only one send ring on 5705/5750, no need to explicitly
  6175. * disable the others.
  6176. */
  6177. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  6178. /* Clear out send RCB ring in SRAM. */
  6179. for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
  6180. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  6181. BDINFO_FLAGS_DISABLED);
  6182. }
  6183. tp->tx_prod = 0;
  6184. tp->tx_cons = 0;
  6185. tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  6186. tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  6187. tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
  6188. tp->tx_desc_mapping,
  6189. (TG3_TX_RING_SIZE <<
  6190. BDINFO_FLAGS_MAXLEN_SHIFT),
  6191. NIC_SRAM_TX_BUFFER_DESC);
  6192. /* There is only one receive return ring on 5705/5750, no need
  6193. * to explicitly disable the others.
  6194. */
  6195. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  6196. for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
  6197. i += TG3_BDINFO_SIZE) {
  6198. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  6199. BDINFO_FLAGS_DISABLED);
  6200. }
  6201. }
  6202. tp->rx_rcb_ptr = 0;
  6203. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
  6204. tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
  6205. tp->rx_rcb_mapping,
  6206. (TG3_RX_RCB_RING_SIZE(tp) <<
  6207. BDINFO_FLAGS_MAXLEN_SHIFT),
  6208. 0);
  6209. tp->rx_std_ptr = tp->rx_pending;
  6210. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  6211. tp->rx_std_ptr);
  6212. tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
  6213. tp->rx_jumbo_pending : 0;
  6214. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  6215. tp->rx_jumbo_ptr);
  6216. /* Initialize MAC address and backoff seed. */
  6217. __tg3_set_mac_addr(tp, 0);
  6218. /* MTU + ethernet header + FCS + optional VLAN tag */
  6219. tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
  6220. /* The slot time is changed by tg3_setup_phy if we
  6221. * run at gigabit with half duplex.
  6222. */
  6223. tw32(MAC_TX_LENGTHS,
  6224. (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  6225. (6 << TX_LENGTHS_IPG_SHIFT) |
  6226. (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
  6227. /* Receive rules. */
  6228. tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
  6229. tw32(RCVLPC_CONFIG, 0x0181);
  6230. /* Calculate RDMAC_MODE setting early, we need it to determine
  6231. * the RCVLPC_STATE_ENABLE mask.
  6232. */
  6233. rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
  6234. RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
  6235. RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
  6236. RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
  6237. RDMAC_MODE_LNGREAD_ENAB);
  6238. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  6239. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  6240. rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
  6241. RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
  6242. RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
  6243. /* If statement applies to 5705 and 5750 PCI devices only */
  6244. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  6245. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  6246. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
  6247. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
  6248. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  6249. rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
  6250. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  6251. !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
  6252. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  6253. }
  6254. }
  6255. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  6256. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  6257. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  6258. rdmac_mode |= (1 << 27);
  6259. /* Receive/send statistics. */
  6260. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  6261. val = tr32(RCVLPC_STATS_ENABLE);
  6262. val &= ~RCVLPC_STATSENAB_DACK_FIX;
  6263. tw32(RCVLPC_STATS_ENABLE, val);
  6264. } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
  6265. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  6266. val = tr32(RCVLPC_STATS_ENABLE);
  6267. val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
  6268. tw32(RCVLPC_STATS_ENABLE, val);
  6269. } else {
  6270. tw32(RCVLPC_STATS_ENABLE, 0xffffff);
  6271. }
  6272. tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
  6273. tw32(SNDDATAI_STATSENAB, 0xffffff);
  6274. tw32(SNDDATAI_STATSCTRL,
  6275. (SNDDATAI_SCTRL_ENABLE |
  6276. SNDDATAI_SCTRL_FASTUPD));
  6277. /* Setup host coalescing engine. */
  6278. tw32(HOSTCC_MODE, 0);
  6279. for (i = 0; i < 2000; i++) {
  6280. if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
  6281. break;
  6282. udelay(10);
  6283. }
  6284. __tg3_set_coalesce(tp, &tp->coal);
  6285. /* set status block DMA address */
  6286. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  6287. ((u64) tp->status_mapping >> 32));
  6288. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  6289. ((u64) tp->status_mapping & 0xffffffff));
  6290. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  6291. /* Status/statistics block address. See tg3_timer,
  6292. * the tg3_periodic_fetch_stats call there, and
  6293. * tg3_get_stats to see how this works for 5705/5750 chips.
  6294. */
  6295. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  6296. ((u64) tp->stats_mapping >> 32));
  6297. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  6298. ((u64) tp->stats_mapping & 0xffffffff));
  6299. tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
  6300. tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
  6301. }
  6302. tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
  6303. tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
  6304. tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  6305. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  6306. tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
  6307. /* Clear statistics/status block in chip, and status block in ram. */
  6308. for (i = NIC_SRAM_STATS_BLK;
  6309. i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
  6310. i += sizeof(u32)) {
  6311. tg3_write_mem(tp, i, 0);
  6312. udelay(40);
  6313. }
  6314. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  6315. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  6316. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  6317. /* reset to prevent losing 1st rx packet intermittently */
  6318. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  6319. udelay(10);
  6320. }
  6321. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
  6322. tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
  6323. else
  6324. tp->mac_mode = 0;
  6325. tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
  6326. MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
  6327. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  6328. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  6329. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
  6330. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  6331. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
  6332. udelay(40);
  6333. /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
  6334. * If TG3_FLG2_IS_NIC is zero, we should read the
  6335. * register to preserve the GPIO settings for LOMs. The GPIOs,
  6336. * whether used as inputs or outputs, are set by boot code after
  6337. * reset.
  6338. */
  6339. if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
  6340. u32 gpio_mask;
  6341. gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
  6342. GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
  6343. GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
  6344. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  6345. gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
  6346. GRC_LCLCTRL_GPIO_OUTPUT3;
  6347. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  6348. gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
  6349. tp->grc_local_ctrl &= ~gpio_mask;
  6350. tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
  6351. /* GPIO1 must be driven high for eeprom write protect */
  6352. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
  6353. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  6354. GRC_LCLCTRL_GPIO_OUTPUT1);
  6355. }
  6356. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  6357. udelay(100);
  6358. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
  6359. tp->last_tag = 0;
  6360. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  6361. tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
  6362. udelay(40);
  6363. }
  6364. val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
  6365. WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
  6366. WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
  6367. WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
  6368. WDMAC_MODE_LNGREAD_ENAB);
  6369. /* If statement applies to 5705 and 5750 PCI devices only */
  6370. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  6371. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  6372. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  6373. if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
  6374. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  6375. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  6376. /* nothing */
  6377. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  6378. !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  6379. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  6380. val |= WDMAC_MODE_RX_ACCEL;
  6381. }
  6382. }
  6383. /* Enable host coalescing bug fix */
  6384. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
  6385. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) ||
  6386. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784) ||
  6387. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) ||
  6388. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785))
  6389. val |= WDMAC_MODE_STATUS_TAG_FIX;
  6390. tw32_f(WDMAC_MODE, val);
  6391. udelay(40);
  6392. if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
  6393. u16 pcix_cmd;
  6394. pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
  6395. &pcix_cmd);
  6396. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
  6397. pcix_cmd &= ~PCI_X_CMD_MAX_READ;
  6398. pcix_cmd |= PCI_X_CMD_READ_2K;
  6399. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  6400. pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
  6401. pcix_cmd |= PCI_X_CMD_READ_2K;
  6402. }
  6403. pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
  6404. pcix_cmd);
  6405. }
  6406. tw32_f(RDMAC_MODE, rdmac_mode);
  6407. udelay(40);
  6408. tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
  6409. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  6410. tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
  6411. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
  6412. tw32(SNDDATAC_MODE,
  6413. SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
  6414. else
  6415. tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  6416. tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
  6417. tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
  6418. tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
  6419. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  6420. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  6421. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
  6422. tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
  6423. tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
  6424. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
  6425. err = tg3_load_5701_a0_firmware_fix(tp);
  6426. if (err)
  6427. return err;
  6428. }
  6429. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  6430. err = tg3_load_tso_firmware(tp);
  6431. if (err)
  6432. return err;
  6433. }
  6434. tp->tx_mode = TX_MODE_ENABLE;
  6435. tw32_f(MAC_TX_MODE, tp->tx_mode);
  6436. udelay(100);
  6437. tp->rx_mode = RX_MODE_ENABLE;
  6438. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  6439. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  6440. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  6441. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  6442. tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
  6443. tw32_f(MAC_RX_MODE, tp->rx_mode);
  6444. udelay(10);
  6445. tw32(MAC_LED_CTRL, tp->led_ctrl);
  6446. tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
  6447. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  6448. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  6449. udelay(10);
  6450. }
  6451. tw32_f(MAC_RX_MODE, tp->rx_mode);
  6452. udelay(10);
  6453. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  6454. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
  6455. !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
  6456. /* Set drive transmission level to 1.2V */
  6457. /* only if the signal pre-emphasis bit is not set */
  6458. val = tr32(MAC_SERDES_CFG);
  6459. val &= 0xfffff000;
  6460. val |= 0x880;
  6461. tw32(MAC_SERDES_CFG, val);
  6462. }
  6463. if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
  6464. tw32(MAC_SERDES_CFG, 0x616000);
  6465. }
  6466. /* Prevent chip from dropping frames when flow control
  6467. * is enabled.
  6468. */
  6469. tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
  6470. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  6471. (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  6472. /* Use hardware link auto-negotiation */
  6473. tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
  6474. }
  6475. if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
  6476. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
  6477. u32 tmp;
  6478. tmp = tr32(SERDES_RX_CTRL);
  6479. tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
  6480. tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
  6481. tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
  6482. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  6483. }
  6484. if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
  6485. if (tp->link_config.phy_is_low_power) {
  6486. tp->link_config.phy_is_low_power = 0;
  6487. tp->link_config.speed = tp->link_config.orig_speed;
  6488. tp->link_config.duplex = tp->link_config.orig_duplex;
  6489. tp->link_config.autoneg = tp->link_config.orig_autoneg;
  6490. }
  6491. err = tg3_setup_phy(tp, 0);
  6492. if (err)
  6493. return err;
  6494. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  6495. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
  6496. u32 tmp;
  6497. /* Clear CRC stats. */
  6498. if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
  6499. tg3_writephy(tp, MII_TG3_TEST1,
  6500. tmp | MII_TG3_TEST1_CRC_EN);
  6501. tg3_readphy(tp, 0x14, &tmp);
  6502. }
  6503. }
  6504. }
  6505. __tg3_set_rx_mode(tp->dev);
  6506. /* Initialize receive rules. */
  6507. tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
  6508. tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
  6509. tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
  6510. tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
  6511. if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  6512. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  6513. limit = 8;
  6514. else
  6515. limit = 16;
  6516. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
  6517. limit -= 4;
  6518. switch (limit) {
  6519. case 16:
  6520. tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
  6521. case 15:
  6522. tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
  6523. case 14:
  6524. tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
  6525. case 13:
  6526. tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
  6527. case 12:
  6528. tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
  6529. case 11:
  6530. tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
  6531. case 10:
  6532. tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
  6533. case 9:
  6534. tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
  6535. case 8:
  6536. tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
  6537. case 7:
  6538. tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
  6539. case 6:
  6540. tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
  6541. case 5:
  6542. tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
  6543. case 4:
  6544. /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
  6545. case 3:
  6546. /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
  6547. case 2:
  6548. case 1:
  6549. default:
  6550. break;
  6551. }
  6552. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
  6553. /* Write our heartbeat update interval to APE. */
  6554. tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
  6555. APE_HOST_HEARTBEAT_INT_DISABLE);
  6556. tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
  6557. return 0;
  6558. }
  6559. /* Called at device open time to get the chip ready for
  6560. * packet processing. Invoked with tp->lock held.
  6561. */
  6562. static int tg3_init_hw(struct tg3 *tp, int reset_phy)
  6563. {
  6564. tg3_switch_clocks(tp);
  6565. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  6566. return tg3_reset_hw(tp, reset_phy);
  6567. }
  6568. #define TG3_STAT_ADD32(PSTAT, REG) \
  6569. do { u32 __val = tr32(REG); \
  6570. (PSTAT)->low += __val; \
  6571. if ((PSTAT)->low < __val) \
  6572. (PSTAT)->high += 1; \
  6573. } while (0)
  6574. static void tg3_periodic_fetch_stats(struct tg3 *tp)
  6575. {
  6576. struct tg3_hw_stats *sp = tp->hw_stats;
  6577. if (!netif_carrier_ok(tp->dev))
  6578. return;
  6579. TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
  6580. TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
  6581. TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
  6582. TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
  6583. TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
  6584. TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
  6585. TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
  6586. TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
  6587. TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
  6588. TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
  6589. TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
  6590. TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
  6591. TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
  6592. TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
  6593. TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
  6594. TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
  6595. TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
  6596. TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
  6597. TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
  6598. TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
  6599. TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
  6600. TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
  6601. TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
  6602. TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
  6603. TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
  6604. TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
  6605. TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
  6606. TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
  6607. TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
  6608. TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
  6609. }
  6610. static void tg3_timer(unsigned long __opaque)
  6611. {
  6612. struct tg3 *tp = (struct tg3 *) __opaque;
  6613. if (tp->irq_sync)
  6614. goto restart_timer;
  6615. spin_lock(&tp->lock);
  6616. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  6617. /* All of this garbage is because when using non-tagged
  6618. * IRQ status the mailbox/status_block protocol the chip
  6619. * uses with the cpu is race prone.
  6620. */
  6621. if (tp->hw_status->status & SD_STATUS_UPDATED) {
  6622. tw32(GRC_LOCAL_CTRL,
  6623. tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  6624. } else {
  6625. tw32(HOSTCC_MODE, tp->coalesce_mode |
  6626. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  6627. }
  6628. if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  6629. tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
  6630. spin_unlock(&tp->lock);
  6631. schedule_work(&tp->reset_task);
  6632. return;
  6633. }
  6634. }
  6635. /* This part only runs once per second. */
  6636. if (!--tp->timer_counter) {
  6637. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  6638. tg3_periodic_fetch_stats(tp);
  6639. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  6640. u32 mac_stat;
  6641. int phy_event;
  6642. mac_stat = tr32(MAC_STATUS);
  6643. phy_event = 0;
  6644. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
  6645. if (mac_stat & MAC_STATUS_MI_INTERRUPT)
  6646. phy_event = 1;
  6647. } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
  6648. phy_event = 1;
  6649. if (phy_event)
  6650. tg3_setup_phy(tp, 0);
  6651. } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
  6652. u32 mac_stat = tr32(MAC_STATUS);
  6653. int need_setup = 0;
  6654. if (netif_carrier_ok(tp->dev) &&
  6655. (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
  6656. need_setup = 1;
  6657. }
  6658. if (! netif_carrier_ok(tp->dev) &&
  6659. (mac_stat & (MAC_STATUS_PCS_SYNCED |
  6660. MAC_STATUS_SIGNAL_DET))) {
  6661. need_setup = 1;
  6662. }
  6663. if (need_setup) {
  6664. if (!tp->serdes_counter) {
  6665. tw32_f(MAC_MODE,
  6666. (tp->mac_mode &
  6667. ~MAC_MODE_PORT_MODE_MASK));
  6668. udelay(40);
  6669. tw32_f(MAC_MODE, tp->mac_mode);
  6670. udelay(40);
  6671. }
  6672. tg3_setup_phy(tp, 0);
  6673. }
  6674. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  6675. tg3_serdes_parallel_detect(tp);
  6676. tp->timer_counter = tp->timer_multiplier;
  6677. }
  6678. /* Heartbeat is only sent once every 2 seconds.
  6679. *
  6680. * The heartbeat is to tell the ASF firmware that the host
  6681. * driver is still alive. In the event that the OS crashes,
  6682. * ASF needs to reset the hardware to free up the FIFO space
  6683. * that may be filled with rx packets destined for the host.
  6684. * If the FIFO is full, ASF will no longer function properly.
  6685. *
  6686. * Unintended resets have been reported on real time kernels
  6687. * where the timer doesn't run on time. Netpoll will also have
  6688. * same problem.
  6689. *
  6690. * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
  6691. * to check the ring condition when the heartbeat is expiring
  6692. * before doing the reset. This will prevent most unintended
  6693. * resets.
  6694. */
  6695. if (!--tp->asf_counter) {
  6696. if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
  6697. !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
  6698. tg3_wait_for_event_ack(tp);
  6699. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
  6700. FWCMD_NICDRV_ALIVE3);
  6701. tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
  6702. /* 5 seconds timeout */
  6703. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
  6704. tg3_generate_fw_event(tp);
  6705. }
  6706. tp->asf_counter = tp->asf_multiplier;
  6707. }
  6708. spin_unlock(&tp->lock);
  6709. restart_timer:
  6710. tp->timer.expires = jiffies + tp->timer_offset;
  6711. add_timer(&tp->timer);
  6712. }
  6713. static int tg3_request_irq(struct tg3 *tp)
  6714. {
  6715. irq_handler_t fn;
  6716. unsigned long flags;
  6717. struct net_device *dev = tp->dev;
  6718. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6719. fn = tg3_msi;
  6720. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
  6721. fn = tg3_msi_1shot;
  6722. flags = IRQF_SAMPLE_RANDOM;
  6723. } else {
  6724. fn = tg3_interrupt;
  6725. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  6726. fn = tg3_interrupt_tagged;
  6727. flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
  6728. }
  6729. return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
  6730. }
  6731. static int tg3_test_interrupt(struct tg3 *tp)
  6732. {
  6733. struct net_device *dev = tp->dev;
  6734. int err, i, intr_ok = 0;
  6735. if (!netif_running(dev))
  6736. return -ENODEV;
  6737. tg3_disable_ints(tp);
  6738. free_irq(tp->pdev->irq, dev);
  6739. err = request_irq(tp->pdev->irq, tg3_test_isr,
  6740. IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
  6741. if (err)
  6742. return err;
  6743. tp->hw_status->status &= ~SD_STATUS_UPDATED;
  6744. tg3_enable_ints(tp);
  6745. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  6746. HOSTCC_MODE_NOW);
  6747. for (i = 0; i < 5; i++) {
  6748. u32 int_mbox, misc_host_ctrl;
  6749. int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
  6750. TG3_64BIT_REG_LOW);
  6751. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  6752. if ((int_mbox != 0) ||
  6753. (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
  6754. intr_ok = 1;
  6755. break;
  6756. }
  6757. msleep(10);
  6758. }
  6759. tg3_disable_ints(tp);
  6760. free_irq(tp->pdev->irq, dev);
  6761. err = tg3_request_irq(tp);
  6762. if (err)
  6763. return err;
  6764. if (intr_ok)
  6765. return 0;
  6766. return -EIO;
  6767. }
  6768. /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
  6769. * successfully restored
  6770. */
  6771. static int tg3_test_msi(struct tg3 *tp)
  6772. {
  6773. struct net_device *dev = tp->dev;
  6774. int err;
  6775. u16 pci_cmd;
  6776. if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
  6777. return 0;
  6778. /* Turn off SERR reporting in case MSI terminates with Master
  6779. * Abort.
  6780. */
  6781. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  6782. pci_write_config_word(tp->pdev, PCI_COMMAND,
  6783. pci_cmd & ~PCI_COMMAND_SERR);
  6784. err = tg3_test_interrupt(tp);
  6785. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  6786. if (!err)
  6787. return 0;
  6788. /* other failures */
  6789. if (err != -EIO)
  6790. return err;
  6791. /* MSI test failed, go back to INTx mode */
  6792. printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
  6793. "switching to INTx mode. Please report this failure to "
  6794. "the PCI maintainer and include system chipset information.\n",
  6795. tp->dev->name);
  6796. free_irq(tp->pdev->irq, dev);
  6797. pci_disable_msi(tp->pdev);
  6798. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6799. err = tg3_request_irq(tp);
  6800. if (err)
  6801. return err;
  6802. /* Need to reset the chip because the MSI cycle may have terminated
  6803. * with Master Abort.
  6804. */
  6805. tg3_full_lock(tp, 1);
  6806. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6807. err = tg3_init_hw(tp, 1);
  6808. tg3_full_unlock(tp);
  6809. if (err)
  6810. free_irq(tp->pdev->irq, dev);
  6811. return err;
  6812. }
  6813. static int tg3_open(struct net_device *dev)
  6814. {
  6815. struct tg3 *tp = netdev_priv(dev);
  6816. int err;
  6817. netif_carrier_off(tp->dev);
  6818. err = tg3_set_power_state(tp, PCI_D0);
  6819. if (err)
  6820. return err;
  6821. tg3_full_lock(tp, 0);
  6822. tg3_disable_ints(tp);
  6823. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  6824. tg3_full_unlock(tp);
  6825. /* The placement of this call is tied
  6826. * to the setup and use of Host TX descriptors.
  6827. */
  6828. err = tg3_alloc_consistent(tp);
  6829. if (err)
  6830. return err;
  6831. if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
  6832. /* All MSI supporting chips should support tagged
  6833. * status. Assert that this is the case.
  6834. */
  6835. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  6836. printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
  6837. "Not using MSI.\n", tp->dev->name);
  6838. } else if (pci_enable_msi(tp->pdev) == 0) {
  6839. u32 msi_mode;
  6840. msi_mode = tr32(MSGINT_MODE);
  6841. tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
  6842. tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
  6843. }
  6844. }
  6845. err = tg3_request_irq(tp);
  6846. if (err) {
  6847. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6848. pci_disable_msi(tp->pdev);
  6849. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6850. }
  6851. tg3_free_consistent(tp);
  6852. return err;
  6853. }
  6854. napi_enable(&tp->napi);
  6855. tg3_full_lock(tp, 0);
  6856. err = tg3_init_hw(tp, 1);
  6857. if (err) {
  6858. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6859. tg3_free_rings(tp);
  6860. } else {
  6861. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  6862. tp->timer_offset = HZ;
  6863. else
  6864. tp->timer_offset = HZ / 10;
  6865. BUG_ON(tp->timer_offset > HZ);
  6866. tp->timer_counter = tp->timer_multiplier =
  6867. (HZ / tp->timer_offset);
  6868. tp->asf_counter = tp->asf_multiplier =
  6869. ((HZ / tp->timer_offset) * 2);
  6870. init_timer(&tp->timer);
  6871. tp->timer.expires = jiffies + tp->timer_offset;
  6872. tp->timer.data = (unsigned long) tp;
  6873. tp->timer.function = tg3_timer;
  6874. }
  6875. tg3_full_unlock(tp);
  6876. if (err) {
  6877. napi_disable(&tp->napi);
  6878. free_irq(tp->pdev->irq, dev);
  6879. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6880. pci_disable_msi(tp->pdev);
  6881. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6882. }
  6883. tg3_free_consistent(tp);
  6884. return err;
  6885. }
  6886. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6887. err = tg3_test_msi(tp);
  6888. if (err) {
  6889. tg3_full_lock(tp, 0);
  6890. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6891. pci_disable_msi(tp->pdev);
  6892. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6893. }
  6894. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6895. tg3_free_rings(tp);
  6896. tg3_free_consistent(tp);
  6897. tg3_full_unlock(tp);
  6898. napi_disable(&tp->napi);
  6899. return err;
  6900. }
  6901. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6902. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
  6903. u32 val = tr32(PCIE_TRANSACTION_CFG);
  6904. tw32(PCIE_TRANSACTION_CFG,
  6905. val | PCIE_TRANS_CFG_1SHOT_MSI);
  6906. }
  6907. }
  6908. }
  6909. tg3_phy_start(tp);
  6910. tg3_full_lock(tp, 0);
  6911. add_timer(&tp->timer);
  6912. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  6913. tg3_enable_ints(tp);
  6914. tg3_full_unlock(tp);
  6915. netif_start_queue(dev);
  6916. return 0;
  6917. }
  6918. #if 0
  6919. /*static*/ void tg3_dump_state(struct tg3 *tp)
  6920. {
  6921. u32 val32, val32_2, val32_3, val32_4, val32_5;
  6922. u16 val16;
  6923. int i;
  6924. pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
  6925. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
  6926. printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
  6927. val16, val32);
  6928. /* MAC block */
  6929. printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
  6930. tr32(MAC_MODE), tr32(MAC_STATUS));
  6931. printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
  6932. tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
  6933. printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
  6934. tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
  6935. printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
  6936. tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
  6937. /* Send data initiator control block */
  6938. printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
  6939. tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
  6940. printk(" SNDDATAI_STATSCTRL[%08x]\n",
  6941. tr32(SNDDATAI_STATSCTRL));
  6942. /* Send data completion control block */
  6943. printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
  6944. /* Send BD ring selector block */
  6945. printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
  6946. tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
  6947. /* Send BD initiator control block */
  6948. printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
  6949. tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
  6950. /* Send BD completion control block */
  6951. printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
  6952. /* Receive list placement control block */
  6953. printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
  6954. tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
  6955. printk(" RCVLPC_STATSCTRL[%08x]\n",
  6956. tr32(RCVLPC_STATSCTRL));
  6957. /* Receive data and receive BD initiator control block */
  6958. printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
  6959. tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
  6960. /* Receive data completion control block */
  6961. printk("DEBUG: RCVDCC_MODE[%08x]\n",
  6962. tr32(RCVDCC_MODE));
  6963. /* Receive BD initiator control block */
  6964. printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
  6965. tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
  6966. /* Receive BD completion control block */
  6967. printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
  6968. tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
  6969. /* Receive list selector control block */
  6970. printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
  6971. tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
  6972. /* Mbuf cluster free block */
  6973. printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
  6974. tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
  6975. /* Host coalescing control block */
  6976. printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
  6977. tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
  6978. printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
  6979. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  6980. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  6981. printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
  6982. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  6983. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  6984. printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
  6985. tr32(HOSTCC_STATS_BLK_NIC_ADDR));
  6986. printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
  6987. tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
  6988. /* Memory arbiter control block */
  6989. printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
  6990. tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
  6991. /* Buffer manager control block */
  6992. printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
  6993. tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
  6994. printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
  6995. tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
  6996. printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
  6997. "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
  6998. tr32(BUFMGR_DMA_DESC_POOL_ADDR),
  6999. tr32(BUFMGR_DMA_DESC_POOL_SIZE));
  7000. /* Read DMA control block */
  7001. printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
  7002. tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
  7003. /* Write DMA control block */
  7004. printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
  7005. tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
  7006. /* DMA completion block */
  7007. printk("DEBUG: DMAC_MODE[%08x]\n",
  7008. tr32(DMAC_MODE));
  7009. /* GRC block */
  7010. printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
  7011. tr32(GRC_MODE), tr32(GRC_MISC_CFG));
  7012. printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
  7013. tr32(GRC_LOCAL_CTRL));
  7014. /* TG3_BDINFOs */
  7015. printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
  7016. tr32(RCVDBDI_JUMBO_BD + 0x0),
  7017. tr32(RCVDBDI_JUMBO_BD + 0x4),
  7018. tr32(RCVDBDI_JUMBO_BD + 0x8),
  7019. tr32(RCVDBDI_JUMBO_BD + 0xc));
  7020. printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
  7021. tr32(RCVDBDI_STD_BD + 0x0),
  7022. tr32(RCVDBDI_STD_BD + 0x4),
  7023. tr32(RCVDBDI_STD_BD + 0x8),
  7024. tr32(RCVDBDI_STD_BD + 0xc));
  7025. printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
  7026. tr32(RCVDBDI_MINI_BD + 0x0),
  7027. tr32(RCVDBDI_MINI_BD + 0x4),
  7028. tr32(RCVDBDI_MINI_BD + 0x8),
  7029. tr32(RCVDBDI_MINI_BD + 0xc));
  7030. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
  7031. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
  7032. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
  7033. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
  7034. printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
  7035. val32, val32_2, val32_3, val32_4);
  7036. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
  7037. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
  7038. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
  7039. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
  7040. printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
  7041. val32, val32_2, val32_3, val32_4);
  7042. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
  7043. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
  7044. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
  7045. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
  7046. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
  7047. printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
  7048. val32, val32_2, val32_3, val32_4, val32_5);
  7049. /* SW status block */
  7050. printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
  7051. tp->hw_status->status,
  7052. tp->hw_status->status_tag,
  7053. tp->hw_status->rx_jumbo_consumer,
  7054. tp->hw_status->rx_consumer,
  7055. tp->hw_status->rx_mini_consumer,
  7056. tp->hw_status->idx[0].rx_producer,
  7057. tp->hw_status->idx[0].tx_consumer);
  7058. /* SW statistics block */
  7059. printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
  7060. ((u32 *)tp->hw_stats)[0],
  7061. ((u32 *)tp->hw_stats)[1],
  7062. ((u32 *)tp->hw_stats)[2],
  7063. ((u32 *)tp->hw_stats)[3]);
  7064. /* Mailboxes */
  7065. printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
  7066. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
  7067. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
  7068. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
  7069. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
  7070. /* NIC side send descriptors. */
  7071. for (i = 0; i < 6; i++) {
  7072. unsigned long txd;
  7073. txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
  7074. + (i * sizeof(struct tg3_tx_buffer_desc));
  7075. printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
  7076. i,
  7077. readl(txd + 0x0), readl(txd + 0x4),
  7078. readl(txd + 0x8), readl(txd + 0xc));
  7079. }
  7080. /* NIC side RX descriptors. */
  7081. for (i = 0; i < 6; i++) {
  7082. unsigned long rxd;
  7083. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
  7084. + (i * sizeof(struct tg3_rx_buffer_desc));
  7085. printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
  7086. i,
  7087. readl(rxd + 0x0), readl(rxd + 0x4),
  7088. readl(rxd + 0x8), readl(rxd + 0xc));
  7089. rxd += (4 * sizeof(u32));
  7090. printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
  7091. i,
  7092. readl(rxd + 0x0), readl(rxd + 0x4),
  7093. readl(rxd + 0x8), readl(rxd + 0xc));
  7094. }
  7095. for (i = 0; i < 6; i++) {
  7096. unsigned long rxd;
  7097. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
  7098. + (i * sizeof(struct tg3_rx_buffer_desc));
  7099. printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
  7100. i,
  7101. readl(rxd + 0x0), readl(rxd + 0x4),
  7102. readl(rxd + 0x8), readl(rxd + 0xc));
  7103. rxd += (4 * sizeof(u32));
  7104. printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
  7105. i,
  7106. readl(rxd + 0x0), readl(rxd + 0x4),
  7107. readl(rxd + 0x8), readl(rxd + 0xc));
  7108. }
  7109. }
  7110. #endif
  7111. static struct net_device_stats *tg3_get_stats(struct net_device *);
  7112. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
  7113. static int tg3_close(struct net_device *dev)
  7114. {
  7115. struct tg3 *tp = netdev_priv(dev);
  7116. napi_disable(&tp->napi);
  7117. cancel_work_sync(&tp->reset_task);
  7118. netif_stop_queue(dev);
  7119. del_timer_sync(&tp->timer);
  7120. tg3_full_lock(tp, 1);
  7121. #if 0
  7122. tg3_dump_state(tp);
  7123. #endif
  7124. tg3_disable_ints(tp);
  7125. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  7126. tg3_free_rings(tp);
  7127. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  7128. tg3_full_unlock(tp);
  7129. free_irq(tp->pdev->irq, dev);
  7130. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  7131. pci_disable_msi(tp->pdev);
  7132. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  7133. }
  7134. memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
  7135. sizeof(tp->net_stats_prev));
  7136. memcpy(&tp->estats_prev, tg3_get_estats(tp),
  7137. sizeof(tp->estats_prev));
  7138. tg3_free_consistent(tp);
  7139. tg3_set_power_state(tp, PCI_D3hot);
  7140. netif_carrier_off(tp->dev);
  7141. return 0;
  7142. }
  7143. static inline unsigned long get_stat64(tg3_stat64_t *val)
  7144. {
  7145. unsigned long ret;
  7146. #if (BITS_PER_LONG == 32)
  7147. ret = val->low;
  7148. #else
  7149. ret = ((u64)val->high << 32) | ((u64)val->low);
  7150. #endif
  7151. return ret;
  7152. }
  7153. static inline u64 get_estat64(tg3_stat64_t *val)
  7154. {
  7155. return ((u64)val->high << 32) | ((u64)val->low);
  7156. }
  7157. static unsigned long calc_crc_errors(struct tg3 *tp)
  7158. {
  7159. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  7160. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  7161. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  7162. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  7163. u32 val;
  7164. spin_lock_bh(&tp->lock);
  7165. if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
  7166. tg3_writephy(tp, MII_TG3_TEST1,
  7167. val | MII_TG3_TEST1_CRC_EN);
  7168. tg3_readphy(tp, 0x14, &val);
  7169. } else
  7170. val = 0;
  7171. spin_unlock_bh(&tp->lock);
  7172. tp->phy_crc_errors += val;
  7173. return tp->phy_crc_errors;
  7174. }
  7175. return get_stat64(&hw_stats->rx_fcs_errors);
  7176. }
  7177. #define ESTAT_ADD(member) \
  7178. estats->member = old_estats->member + \
  7179. get_estat64(&hw_stats->member)
  7180. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
  7181. {
  7182. struct tg3_ethtool_stats *estats = &tp->estats;
  7183. struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
  7184. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  7185. if (!hw_stats)
  7186. return old_estats;
  7187. ESTAT_ADD(rx_octets);
  7188. ESTAT_ADD(rx_fragments);
  7189. ESTAT_ADD(rx_ucast_packets);
  7190. ESTAT_ADD(rx_mcast_packets);
  7191. ESTAT_ADD(rx_bcast_packets);
  7192. ESTAT_ADD(rx_fcs_errors);
  7193. ESTAT_ADD(rx_align_errors);
  7194. ESTAT_ADD(rx_xon_pause_rcvd);
  7195. ESTAT_ADD(rx_xoff_pause_rcvd);
  7196. ESTAT_ADD(rx_mac_ctrl_rcvd);
  7197. ESTAT_ADD(rx_xoff_entered);
  7198. ESTAT_ADD(rx_frame_too_long_errors);
  7199. ESTAT_ADD(rx_jabbers);
  7200. ESTAT_ADD(rx_undersize_packets);
  7201. ESTAT_ADD(rx_in_length_errors);
  7202. ESTAT_ADD(rx_out_length_errors);
  7203. ESTAT_ADD(rx_64_or_less_octet_packets);
  7204. ESTAT_ADD(rx_65_to_127_octet_packets);
  7205. ESTAT_ADD(rx_128_to_255_octet_packets);
  7206. ESTAT_ADD(rx_256_to_511_octet_packets);
  7207. ESTAT_ADD(rx_512_to_1023_octet_packets);
  7208. ESTAT_ADD(rx_1024_to_1522_octet_packets);
  7209. ESTAT_ADD(rx_1523_to_2047_octet_packets);
  7210. ESTAT_ADD(rx_2048_to_4095_octet_packets);
  7211. ESTAT_ADD(rx_4096_to_8191_octet_packets);
  7212. ESTAT_ADD(rx_8192_to_9022_octet_packets);
  7213. ESTAT_ADD(tx_octets);
  7214. ESTAT_ADD(tx_collisions);
  7215. ESTAT_ADD(tx_xon_sent);
  7216. ESTAT_ADD(tx_xoff_sent);
  7217. ESTAT_ADD(tx_flow_control);
  7218. ESTAT_ADD(tx_mac_errors);
  7219. ESTAT_ADD(tx_single_collisions);
  7220. ESTAT_ADD(tx_mult_collisions);
  7221. ESTAT_ADD(tx_deferred);
  7222. ESTAT_ADD(tx_excessive_collisions);
  7223. ESTAT_ADD(tx_late_collisions);
  7224. ESTAT_ADD(tx_collide_2times);
  7225. ESTAT_ADD(tx_collide_3times);
  7226. ESTAT_ADD(tx_collide_4times);
  7227. ESTAT_ADD(tx_collide_5times);
  7228. ESTAT_ADD(tx_collide_6times);
  7229. ESTAT_ADD(tx_collide_7times);
  7230. ESTAT_ADD(tx_collide_8times);
  7231. ESTAT_ADD(tx_collide_9times);
  7232. ESTAT_ADD(tx_collide_10times);
  7233. ESTAT_ADD(tx_collide_11times);
  7234. ESTAT_ADD(tx_collide_12times);
  7235. ESTAT_ADD(tx_collide_13times);
  7236. ESTAT_ADD(tx_collide_14times);
  7237. ESTAT_ADD(tx_collide_15times);
  7238. ESTAT_ADD(tx_ucast_packets);
  7239. ESTAT_ADD(tx_mcast_packets);
  7240. ESTAT_ADD(tx_bcast_packets);
  7241. ESTAT_ADD(tx_carrier_sense_errors);
  7242. ESTAT_ADD(tx_discards);
  7243. ESTAT_ADD(tx_errors);
  7244. ESTAT_ADD(dma_writeq_full);
  7245. ESTAT_ADD(dma_write_prioq_full);
  7246. ESTAT_ADD(rxbds_empty);
  7247. ESTAT_ADD(rx_discards);
  7248. ESTAT_ADD(rx_errors);
  7249. ESTAT_ADD(rx_threshold_hit);
  7250. ESTAT_ADD(dma_readq_full);
  7251. ESTAT_ADD(dma_read_prioq_full);
  7252. ESTAT_ADD(tx_comp_queue_full);
  7253. ESTAT_ADD(ring_set_send_prod_index);
  7254. ESTAT_ADD(ring_status_update);
  7255. ESTAT_ADD(nic_irqs);
  7256. ESTAT_ADD(nic_avoided_irqs);
  7257. ESTAT_ADD(nic_tx_threshold_hit);
  7258. return estats;
  7259. }
  7260. static struct net_device_stats *tg3_get_stats(struct net_device *dev)
  7261. {
  7262. struct tg3 *tp = netdev_priv(dev);
  7263. struct net_device_stats *stats = &tp->net_stats;
  7264. struct net_device_stats *old_stats = &tp->net_stats_prev;
  7265. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  7266. if (!hw_stats)
  7267. return old_stats;
  7268. stats->rx_packets = old_stats->rx_packets +
  7269. get_stat64(&hw_stats->rx_ucast_packets) +
  7270. get_stat64(&hw_stats->rx_mcast_packets) +
  7271. get_stat64(&hw_stats->rx_bcast_packets);
  7272. stats->tx_packets = old_stats->tx_packets +
  7273. get_stat64(&hw_stats->tx_ucast_packets) +
  7274. get_stat64(&hw_stats->tx_mcast_packets) +
  7275. get_stat64(&hw_stats->tx_bcast_packets);
  7276. stats->rx_bytes = old_stats->rx_bytes +
  7277. get_stat64(&hw_stats->rx_octets);
  7278. stats->tx_bytes = old_stats->tx_bytes +
  7279. get_stat64(&hw_stats->tx_octets);
  7280. stats->rx_errors = old_stats->rx_errors +
  7281. get_stat64(&hw_stats->rx_errors);
  7282. stats->tx_errors = old_stats->tx_errors +
  7283. get_stat64(&hw_stats->tx_errors) +
  7284. get_stat64(&hw_stats->tx_mac_errors) +
  7285. get_stat64(&hw_stats->tx_carrier_sense_errors) +
  7286. get_stat64(&hw_stats->tx_discards);
  7287. stats->multicast = old_stats->multicast +
  7288. get_stat64(&hw_stats->rx_mcast_packets);
  7289. stats->collisions = old_stats->collisions +
  7290. get_stat64(&hw_stats->tx_collisions);
  7291. stats->rx_length_errors = old_stats->rx_length_errors +
  7292. get_stat64(&hw_stats->rx_frame_too_long_errors) +
  7293. get_stat64(&hw_stats->rx_undersize_packets);
  7294. stats->rx_over_errors = old_stats->rx_over_errors +
  7295. get_stat64(&hw_stats->rxbds_empty);
  7296. stats->rx_frame_errors = old_stats->rx_frame_errors +
  7297. get_stat64(&hw_stats->rx_align_errors);
  7298. stats->tx_aborted_errors = old_stats->tx_aborted_errors +
  7299. get_stat64(&hw_stats->tx_discards);
  7300. stats->tx_carrier_errors = old_stats->tx_carrier_errors +
  7301. get_stat64(&hw_stats->tx_carrier_sense_errors);
  7302. stats->rx_crc_errors = old_stats->rx_crc_errors +
  7303. calc_crc_errors(tp);
  7304. stats->rx_missed_errors = old_stats->rx_missed_errors +
  7305. get_stat64(&hw_stats->rx_discards);
  7306. return stats;
  7307. }
  7308. static inline u32 calc_crc(unsigned char *buf, int len)
  7309. {
  7310. u32 reg;
  7311. u32 tmp;
  7312. int j, k;
  7313. reg = 0xffffffff;
  7314. for (j = 0; j < len; j++) {
  7315. reg ^= buf[j];
  7316. for (k = 0; k < 8; k++) {
  7317. tmp = reg & 0x01;
  7318. reg >>= 1;
  7319. if (tmp) {
  7320. reg ^= 0xedb88320;
  7321. }
  7322. }
  7323. }
  7324. return ~reg;
  7325. }
  7326. static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
  7327. {
  7328. /* accept or reject all multicast frames */
  7329. tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
  7330. tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
  7331. tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
  7332. tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
  7333. }
  7334. static void __tg3_set_rx_mode(struct net_device *dev)
  7335. {
  7336. struct tg3 *tp = netdev_priv(dev);
  7337. u32 rx_mode;
  7338. rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
  7339. RX_MODE_KEEP_VLAN_TAG);
  7340. /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
  7341. * flag clear.
  7342. */
  7343. #if TG3_VLAN_TAG_USED
  7344. if (!tp->vlgrp &&
  7345. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  7346. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  7347. #else
  7348. /* By definition, VLAN is disabled always in this
  7349. * case.
  7350. */
  7351. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  7352. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  7353. #endif
  7354. if (dev->flags & IFF_PROMISC) {
  7355. /* Promiscuous mode. */
  7356. rx_mode |= RX_MODE_PROMISC;
  7357. } else if (dev->flags & IFF_ALLMULTI) {
  7358. /* Accept all multicast. */
  7359. tg3_set_multi (tp, 1);
  7360. } else if (dev->mc_count < 1) {
  7361. /* Reject all multicast. */
  7362. tg3_set_multi (tp, 0);
  7363. } else {
  7364. /* Accept one or more multicast(s). */
  7365. struct dev_mc_list *mclist;
  7366. unsigned int i;
  7367. u32 mc_filter[4] = { 0, };
  7368. u32 regidx;
  7369. u32 bit;
  7370. u32 crc;
  7371. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  7372. i++, mclist = mclist->next) {
  7373. crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
  7374. bit = ~crc & 0x7f;
  7375. regidx = (bit & 0x60) >> 5;
  7376. bit &= 0x1f;
  7377. mc_filter[regidx] |= (1 << bit);
  7378. }
  7379. tw32(MAC_HASH_REG_0, mc_filter[0]);
  7380. tw32(MAC_HASH_REG_1, mc_filter[1]);
  7381. tw32(MAC_HASH_REG_2, mc_filter[2]);
  7382. tw32(MAC_HASH_REG_3, mc_filter[3]);
  7383. }
  7384. if (rx_mode != tp->rx_mode) {
  7385. tp->rx_mode = rx_mode;
  7386. tw32_f(MAC_RX_MODE, rx_mode);
  7387. udelay(10);
  7388. }
  7389. }
  7390. static void tg3_set_rx_mode(struct net_device *dev)
  7391. {
  7392. struct tg3 *tp = netdev_priv(dev);
  7393. if (!netif_running(dev))
  7394. return;
  7395. tg3_full_lock(tp, 0);
  7396. __tg3_set_rx_mode(dev);
  7397. tg3_full_unlock(tp);
  7398. }
  7399. #define TG3_REGDUMP_LEN (32 * 1024)
  7400. static int tg3_get_regs_len(struct net_device *dev)
  7401. {
  7402. return TG3_REGDUMP_LEN;
  7403. }
  7404. static void tg3_get_regs(struct net_device *dev,
  7405. struct ethtool_regs *regs, void *_p)
  7406. {
  7407. u32 *p = _p;
  7408. struct tg3 *tp = netdev_priv(dev);
  7409. u8 *orig_p = _p;
  7410. int i;
  7411. regs->version = 0;
  7412. memset(p, 0, TG3_REGDUMP_LEN);
  7413. if (tp->link_config.phy_is_low_power)
  7414. return;
  7415. tg3_full_lock(tp, 0);
  7416. #define __GET_REG32(reg) (*(p)++ = tr32(reg))
  7417. #define GET_REG32_LOOP(base,len) \
  7418. do { p = (u32 *)(orig_p + (base)); \
  7419. for (i = 0; i < len; i += 4) \
  7420. __GET_REG32((base) + i); \
  7421. } while (0)
  7422. #define GET_REG32_1(reg) \
  7423. do { p = (u32 *)(orig_p + (reg)); \
  7424. __GET_REG32((reg)); \
  7425. } while (0)
  7426. GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
  7427. GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
  7428. GET_REG32_LOOP(MAC_MODE, 0x4f0);
  7429. GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
  7430. GET_REG32_1(SNDDATAC_MODE);
  7431. GET_REG32_LOOP(SNDBDS_MODE, 0x80);
  7432. GET_REG32_LOOP(SNDBDI_MODE, 0x48);
  7433. GET_REG32_1(SNDBDC_MODE);
  7434. GET_REG32_LOOP(RCVLPC_MODE, 0x20);
  7435. GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
  7436. GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
  7437. GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
  7438. GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
  7439. GET_REG32_1(RCVDCC_MODE);
  7440. GET_REG32_LOOP(RCVBDI_MODE, 0x20);
  7441. GET_REG32_LOOP(RCVCC_MODE, 0x14);
  7442. GET_REG32_LOOP(RCVLSC_MODE, 0x08);
  7443. GET_REG32_1(MBFREE_MODE);
  7444. GET_REG32_LOOP(HOSTCC_MODE, 0x100);
  7445. GET_REG32_LOOP(MEMARB_MODE, 0x10);
  7446. GET_REG32_LOOP(BUFMGR_MODE, 0x58);
  7447. GET_REG32_LOOP(RDMAC_MODE, 0x08);
  7448. GET_REG32_LOOP(WDMAC_MODE, 0x08);
  7449. GET_REG32_1(RX_CPU_MODE);
  7450. GET_REG32_1(RX_CPU_STATE);
  7451. GET_REG32_1(RX_CPU_PGMCTR);
  7452. GET_REG32_1(RX_CPU_HWBKPT);
  7453. GET_REG32_1(TX_CPU_MODE);
  7454. GET_REG32_1(TX_CPU_STATE);
  7455. GET_REG32_1(TX_CPU_PGMCTR);
  7456. GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
  7457. GET_REG32_LOOP(FTQ_RESET, 0x120);
  7458. GET_REG32_LOOP(MSGINT_MODE, 0x0c);
  7459. GET_REG32_1(DMAC_MODE);
  7460. GET_REG32_LOOP(GRC_MODE, 0x4c);
  7461. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  7462. GET_REG32_LOOP(NVRAM_CMD, 0x24);
  7463. #undef __GET_REG32
  7464. #undef GET_REG32_LOOP
  7465. #undef GET_REG32_1
  7466. tg3_full_unlock(tp);
  7467. }
  7468. static int tg3_get_eeprom_len(struct net_device *dev)
  7469. {
  7470. struct tg3 *tp = netdev_priv(dev);
  7471. return tp->nvram_size;
  7472. }
  7473. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
  7474. static int tg3_nvram_read_le(struct tg3 *tp, u32 offset, __le32 *val);
  7475. static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
  7476. static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  7477. {
  7478. struct tg3 *tp = netdev_priv(dev);
  7479. int ret;
  7480. u8 *pd;
  7481. u32 i, offset, len, b_offset, b_count;
  7482. __le32 val;
  7483. if (tp->link_config.phy_is_low_power)
  7484. return -EAGAIN;
  7485. offset = eeprom->offset;
  7486. len = eeprom->len;
  7487. eeprom->len = 0;
  7488. eeprom->magic = TG3_EEPROM_MAGIC;
  7489. if (offset & 3) {
  7490. /* adjustments to start on required 4 byte boundary */
  7491. b_offset = offset & 3;
  7492. b_count = 4 - b_offset;
  7493. if (b_count > len) {
  7494. /* i.e. offset=1 len=2 */
  7495. b_count = len;
  7496. }
  7497. ret = tg3_nvram_read_le(tp, offset-b_offset, &val);
  7498. if (ret)
  7499. return ret;
  7500. memcpy(data, ((char*)&val) + b_offset, b_count);
  7501. len -= b_count;
  7502. offset += b_count;
  7503. eeprom->len += b_count;
  7504. }
  7505. /* read bytes upto the last 4 byte boundary */
  7506. pd = &data[eeprom->len];
  7507. for (i = 0; i < (len - (len & 3)); i += 4) {
  7508. ret = tg3_nvram_read_le(tp, offset + i, &val);
  7509. if (ret) {
  7510. eeprom->len += i;
  7511. return ret;
  7512. }
  7513. memcpy(pd + i, &val, 4);
  7514. }
  7515. eeprom->len += i;
  7516. if (len & 3) {
  7517. /* read last bytes not ending on 4 byte boundary */
  7518. pd = &data[eeprom->len];
  7519. b_count = len & 3;
  7520. b_offset = offset + len - b_count;
  7521. ret = tg3_nvram_read_le(tp, b_offset, &val);
  7522. if (ret)
  7523. return ret;
  7524. memcpy(pd, &val, b_count);
  7525. eeprom->len += b_count;
  7526. }
  7527. return 0;
  7528. }
  7529. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
  7530. static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  7531. {
  7532. struct tg3 *tp = netdev_priv(dev);
  7533. int ret;
  7534. u32 offset, len, b_offset, odd_len;
  7535. u8 *buf;
  7536. __le32 start, end;
  7537. if (tp->link_config.phy_is_low_power)
  7538. return -EAGAIN;
  7539. if (eeprom->magic != TG3_EEPROM_MAGIC)
  7540. return -EINVAL;
  7541. offset = eeprom->offset;
  7542. len = eeprom->len;
  7543. if ((b_offset = (offset & 3))) {
  7544. /* adjustments to start on required 4 byte boundary */
  7545. ret = tg3_nvram_read_le(tp, offset-b_offset, &start);
  7546. if (ret)
  7547. return ret;
  7548. len += b_offset;
  7549. offset &= ~3;
  7550. if (len < 4)
  7551. len = 4;
  7552. }
  7553. odd_len = 0;
  7554. if (len & 3) {
  7555. /* adjustments to end on required 4 byte boundary */
  7556. odd_len = 1;
  7557. len = (len + 3) & ~3;
  7558. ret = tg3_nvram_read_le(tp, offset+len-4, &end);
  7559. if (ret)
  7560. return ret;
  7561. }
  7562. buf = data;
  7563. if (b_offset || odd_len) {
  7564. buf = kmalloc(len, GFP_KERNEL);
  7565. if (!buf)
  7566. return -ENOMEM;
  7567. if (b_offset)
  7568. memcpy(buf, &start, 4);
  7569. if (odd_len)
  7570. memcpy(buf+len-4, &end, 4);
  7571. memcpy(buf + b_offset, data, eeprom->len);
  7572. }
  7573. ret = tg3_nvram_write_block(tp, offset, len, buf);
  7574. if (buf != data)
  7575. kfree(buf);
  7576. return ret;
  7577. }
  7578. static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  7579. {
  7580. struct tg3 *tp = netdev_priv(dev);
  7581. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  7582. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  7583. return -EAGAIN;
  7584. return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
  7585. }
  7586. cmd->supported = (SUPPORTED_Autoneg);
  7587. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7588. cmd->supported |= (SUPPORTED_1000baseT_Half |
  7589. SUPPORTED_1000baseT_Full);
  7590. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  7591. cmd->supported |= (SUPPORTED_100baseT_Half |
  7592. SUPPORTED_100baseT_Full |
  7593. SUPPORTED_10baseT_Half |
  7594. SUPPORTED_10baseT_Full |
  7595. SUPPORTED_TP);
  7596. cmd->port = PORT_TP;
  7597. } else {
  7598. cmd->supported |= SUPPORTED_FIBRE;
  7599. cmd->port = PORT_FIBRE;
  7600. }
  7601. cmd->advertising = tp->link_config.advertising;
  7602. if (netif_running(dev)) {
  7603. cmd->speed = tp->link_config.active_speed;
  7604. cmd->duplex = tp->link_config.active_duplex;
  7605. }
  7606. cmd->phy_address = PHY_ADDR;
  7607. cmd->transceiver = 0;
  7608. cmd->autoneg = tp->link_config.autoneg;
  7609. cmd->maxtxpkt = 0;
  7610. cmd->maxrxpkt = 0;
  7611. return 0;
  7612. }
  7613. static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  7614. {
  7615. struct tg3 *tp = netdev_priv(dev);
  7616. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  7617. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  7618. return -EAGAIN;
  7619. return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
  7620. }
  7621. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
  7622. /* These are the only valid advertisement bits allowed. */
  7623. if (cmd->autoneg == AUTONEG_ENABLE &&
  7624. (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
  7625. ADVERTISED_1000baseT_Full |
  7626. ADVERTISED_Autoneg |
  7627. ADVERTISED_FIBRE)))
  7628. return -EINVAL;
  7629. /* Fiber can only do SPEED_1000. */
  7630. else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  7631. (cmd->speed != SPEED_1000))
  7632. return -EINVAL;
  7633. /* Copper cannot force SPEED_1000. */
  7634. } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  7635. (cmd->speed == SPEED_1000))
  7636. return -EINVAL;
  7637. else if ((cmd->speed == SPEED_1000) &&
  7638. (tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  7639. return -EINVAL;
  7640. tg3_full_lock(tp, 0);
  7641. tp->link_config.autoneg = cmd->autoneg;
  7642. if (cmd->autoneg == AUTONEG_ENABLE) {
  7643. tp->link_config.advertising = (cmd->advertising |
  7644. ADVERTISED_Autoneg);
  7645. tp->link_config.speed = SPEED_INVALID;
  7646. tp->link_config.duplex = DUPLEX_INVALID;
  7647. } else {
  7648. tp->link_config.advertising = 0;
  7649. tp->link_config.speed = cmd->speed;
  7650. tp->link_config.duplex = cmd->duplex;
  7651. }
  7652. tp->link_config.orig_speed = tp->link_config.speed;
  7653. tp->link_config.orig_duplex = tp->link_config.duplex;
  7654. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  7655. if (netif_running(dev))
  7656. tg3_setup_phy(tp, 1);
  7657. tg3_full_unlock(tp);
  7658. return 0;
  7659. }
  7660. static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  7661. {
  7662. struct tg3 *tp = netdev_priv(dev);
  7663. strcpy(info->driver, DRV_MODULE_NAME);
  7664. strcpy(info->version, DRV_MODULE_VERSION);
  7665. strcpy(info->fw_version, tp->fw_ver);
  7666. strcpy(info->bus_info, pci_name(tp->pdev));
  7667. }
  7668. static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  7669. {
  7670. struct tg3 *tp = netdev_priv(dev);
  7671. if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
  7672. device_can_wakeup(&tp->pdev->dev))
  7673. wol->supported = WAKE_MAGIC;
  7674. else
  7675. wol->supported = 0;
  7676. wol->wolopts = 0;
  7677. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  7678. wol->wolopts = WAKE_MAGIC;
  7679. memset(&wol->sopass, 0, sizeof(wol->sopass));
  7680. }
  7681. static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  7682. {
  7683. struct tg3 *tp = netdev_priv(dev);
  7684. struct device *dp = &tp->pdev->dev;
  7685. if (wol->wolopts & ~WAKE_MAGIC)
  7686. return -EINVAL;
  7687. if ((wol->wolopts & WAKE_MAGIC) &&
  7688. !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
  7689. return -EINVAL;
  7690. spin_lock_bh(&tp->lock);
  7691. if (wol->wolopts & WAKE_MAGIC) {
  7692. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  7693. device_set_wakeup_enable(dp, true);
  7694. } else {
  7695. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  7696. device_set_wakeup_enable(dp, false);
  7697. }
  7698. spin_unlock_bh(&tp->lock);
  7699. return 0;
  7700. }
  7701. static u32 tg3_get_msglevel(struct net_device *dev)
  7702. {
  7703. struct tg3 *tp = netdev_priv(dev);
  7704. return tp->msg_enable;
  7705. }
  7706. static void tg3_set_msglevel(struct net_device *dev, u32 value)
  7707. {
  7708. struct tg3 *tp = netdev_priv(dev);
  7709. tp->msg_enable = value;
  7710. }
  7711. static int tg3_set_tso(struct net_device *dev, u32 value)
  7712. {
  7713. struct tg3 *tp = netdev_priv(dev);
  7714. if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  7715. if (value)
  7716. return -EINVAL;
  7717. return 0;
  7718. }
  7719. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
  7720. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
  7721. if (value) {
  7722. dev->features |= NETIF_F_TSO6;
  7723. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  7724. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
  7725. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
  7726. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  7727. dev->features |= NETIF_F_TSO_ECN;
  7728. } else
  7729. dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
  7730. }
  7731. return ethtool_op_set_tso(dev, value);
  7732. }
  7733. static int tg3_nway_reset(struct net_device *dev)
  7734. {
  7735. struct tg3 *tp = netdev_priv(dev);
  7736. int r;
  7737. if (!netif_running(dev))
  7738. return -EAGAIN;
  7739. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7740. return -EINVAL;
  7741. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  7742. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  7743. return -EAGAIN;
  7744. r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
  7745. } else {
  7746. u32 bmcr;
  7747. spin_lock_bh(&tp->lock);
  7748. r = -EINVAL;
  7749. tg3_readphy(tp, MII_BMCR, &bmcr);
  7750. if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
  7751. ((bmcr & BMCR_ANENABLE) ||
  7752. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
  7753. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
  7754. BMCR_ANENABLE);
  7755. r = 0;
  7756. }
  7757. spin_unlock_bh(&tp->lock);
  7758. }
  7759. return r;
  7760. }
  7761. static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  7762. {
  7763. struct tg3 *tp = netdev_priv(dev);
  7764. ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
  7765. ering->rx_mini_max_pending = 0;
  7766. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
  7767. ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
  7768. else
  7769. ering->rx_jumbo_max_pending = 0;
  7770. ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
  7771. ering->rx_pending = tp->rx_pending;
  7772. ering->rx_mini_pending = 0;
  7773. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
  7774. ering->rx_jumbo_pending = tp->rx_jumbo_pending;
  7775. else
  7776. ering->rx_jumbo_pending = 0;
  7777. ering->tx_pending = tp->tx_pending;
  7778. }
  7779. static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  7780. {
  7781. struct tg3 *tp = netdev_priv(dev);
  7782. int irq_sync = 0, err = 0;
  7783. if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
  7784. (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
  7785. (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
  7786. (ering->tx_pending <= MAX_SKB_FRAGS) ||
  7787. ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
  7788. (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
  7789. return -EINVAL;
  7790. if (netif_running(dev)) {
  7791. tg3_phy_stop(tp);
  7792. tg3_netif_stop(tp);
  7793. irq_sync = 1;
  7794. }
  7795. tg3_full_lock(tp, irq_sync);
  7796. tp->rx_pending = ering->rx_pending;
  7797. if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
  7798. tp->rx_pending > 63)
  7799. tp->rx_pending = 63;
  7800. tp->rx_jumbo_pending = ering->rx_jumbo_pending;
  7801. tp->tx_pending = ering->tx_pending;
  7802. if (netif_running(dev)) {
  7803. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  7804. err = tg3_restart_hw(tp, 1);
  7805. if (!err)
  7806. tg3_netif_start(tp);
  7807. }
  7808. tg3_full_unlock(tp);
  7809. if (irq_sync && !err)
  7810. tg3_phy_start(tp);
  7811. return err;
  7812. }
  7813. static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  7814. {
  7815. struct tg3 *tp = netdev_priv(dev);
  7816. epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
  7817. if (tp->link_config.active_flowctrl & TG3_FLOW_CTRL_RX)
  7818. epause->rx_pause = 1;
  7819. else
  7820. epause->rx_pause = 0;
  7821. if (tp->link_config.active_flowctrl & TG3_FLOW_CTRL_TX)
  7822. epause->tx_pause = 1;
  7823. else
  7824. epause->tx_pause = 0;
  7825. }
  7826. static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  7827. {
  7828. struct tg3 *tp = netdev_priv(dev);
  7829. int err = 0;
  7830. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  7831. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  7832. return -EAGAIN;
  7833. if (epause->autoneg) {
  7834. u32 newadv;
  7835. struct phy_device *phydev;
  7836. phydev = tp->mdio_bus->phy_map[PHY_ADDR];
  7837. if (epause->rx_pause) {
  7838. if (epause->tx_pause)
  7839. newadv = ADVERTISED_Pause;
  7840. else
  7841. newadv = ADVERTISED_Pause |
  7842. ADVERTISED_Asym_Pause;
  7843. } else if (epause->tx_pause) {
  7844. newadv = ADVERTISED_Asym_Pause;
  7845. } else
  7846. newadv = 0;
  7847. if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
  7848. u32 oldadv = phydev->advertising &
  7849. (ADVERTISED_Pause |
  7850. ADVERTISED_Asym_Pause);
  7851. if (oldadv != newadv) {
  7852. phydev->advertising &=
  7853. ~(ADVERTISED_Pause |
  7854. ADVERTISED_Asym_Pause);
  7855. phydev->advertising |= newadv;
  7856. err = phy_start_aneg(phydev);
  7857. }
  7858. } else {
  7859. tp->link_config.advertising &=
  7860. ~(ADVERTISED_Pause |
  7861. ADVERTISED_Asym_Pause);
  7862. tp->link_config.advertising |= newadv;
  7863. }
  7864. } else {
  7865. if (epause->rx_pause)
  7866. tp->link_config.flowctrl |= TG3_FLOW_CTRL_RX;
  7867. else
  7868. tp->link_config.flowctrl &= ~TG3_FLOW_CTRL_RX;
  7869. if (epause->tx_pause)
  7870. tp->link_config.flowctrl |= TG3_FLOW_CTRL_TX;
  7871. else
  7872. tp->link_config.flowctrl &= ~TG3_FLOW_CTRL_TX;
  7873. if (netif_running(dev))
  7874. tg3_setup_flow_control(tp, 0, 0);
  7875. }
  7876. } else {
  7877. int irq_sync = 0;
  7878. if (netif_running(dev)) {
  7879. tg3_netif_stop(tp);
  7880. irq_sync = 1;
  7881. }
  7882. tg3_full_lock(tp, irq_sync);
  7883. if (epause->autoneg)
  7884. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  7885. else
  7886. tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
  7887. if (epause->rx_pause)
  7888. tp->link_config.flowctrl |= TG3_FLOW_CTRL_RX;
  7889. else
  7890. tp->link_config.flowctrl &= ~TG3_FLOW_CTRL_RX;
  7891. if (epause->tx_pause)
  7892. tp->link_config.flowctrl |= TG3_FLOW_CTRL_TX;
  7893. else
  7894. tp->link_config.flowctrl &= ~TG3_FLOW_CTRL_TX;
  7895. if (netif_running(dev)) {
  7896. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  7897. err = tg3_restart_hw(tp, 1);
  7898. if (!err)
  7899. tg3_netif_start(tp);
  7900. }
  7901. tg3_full_unlock(tp);
  7902. }
  7903. return err;
  7904. }
  7905. static u32 tg3_get_rx_csum(struct net_device *dev)
  7906. {
  7907. struct tg3 *tp = netdev_priv(dev);
  7908. return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
  7909. }
  7910. static int tg3_set_rx_csum(struct net_device *dev, u32 data)
  7911. {
  7912. struct tg3 *tp = netdev_priv(dev);
  7913. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  7914. if (data != 0)
  7915. return -EINVAL;
  7916. return 0;
  7917. }
  7918. spin_lock_bh(&tp->lock);
  7919. if (data)
  7920. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  7921. else
  7922. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  7923. spin_unlock_bh(&tp->lock);
  7924. return 0;
  7925. }
  7926. static int tg3_set_tx_csum(struct net_device *dev, u32 data)
  7927. {
  7928. struct tg3 *tp = netdev_priv(dev);
  7929. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  7930. if (data != 0)
  7931. return -EINVAL;
  7932. return 0;
  7933. }
  7934. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  7935. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  7936. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  7937. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  7938. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  7939. ethtool_op_set_tx_ipv6_csum(dev, data);
  7940. else
  7941. ethtool_op_set_tx_csum(dev, data);
  7942. return 0;
  7943. }
  7944. static int tg3_get_sset_count (struct net_device *dev, int sset)
  7945. {
  7946. switch (sset) {
  7947. case ETH_SS_TEST:
  7948. return TG3_NUM_TEST;
  7949. case ETH_SS_STATS:
  7950. return TG3_NUM_STATS;
  7951. default:
  7952. return -EOPNOTSUPP;
  7953. }
  7954. }
  7955. static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
  7956. {
  7957. switch (stringset) {
  7958. case ETH_SS_STATS:
  7959. memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
  7960. break;
  7961. case ETH_SS_TEST:
  7962. memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
  7963. break;
  7964. default:
  7965. WARN_ON(1); /* we need a WARN() */
  7966. break;
  7967. }
  7968. }
  7969. static int tg3_phys_id(struct net_device *dev, u32 data)
  7970. {
  7971. struct tg3 *tp = netdev_priv(dev);
  7972. int i;
  7973. if (!netif_running(tp->dev))
  7974. return -EAGAIN;
  7975. if (data == 0)
  7976. data = UINT_MAX / 2;
  7977. for (i = 0; i < (data * 2); i++) {
  7978. if ((i % 2) == 0)
  7979. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  7980. LED_CTRL_1000MBPS_ON |
  7981. LED_CTRL_100MBPS_ON |
  7982. LED_CTRL_10MBPS_ON |
  7983. LED_CTRL_TRAFFIC_OVERRIDE |
  7984. LED_CTRL_TRAFFIC_BLINK |
  7985. LED_CTRL_TRAFFIC_LED);
  7986. else
  7987. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  7988. LED_CTRL_TRAFFIC_OVERRIDE);
  7989. if (msleep_interruptible(500))
  7990. break;
  7991. }
  7992. tw32(MAC_LED_CTRL, tp->led_ctrl);
  7993. return 0;
  7994. }
  7995. static void tg3_get_ethtool_stats (struct net_device *dev,
  7996. struct ethtool_stats *estats, u64 *tmp_stats)
  7997. {
  7998. struct tg3 *tp = netdev_priv(dev);
  7999. memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
  8000. }
  8001. #define NVRAM_TEST_SIZE 0x100
  8002. #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
  8003. #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
  8004. #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
  8005. #define NVRAM_SELFBOOT_HW_SIZE 0x20
  8006. #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
  8007. static int tg3_test_nvram(struct tg3 *tp)
  8008. {
  8009. u32 csum, magic;
  8010. __le32 *buf;
  8011. int i, j, k, err = 0, size;
  8012. if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
  8013. return -EIO;
  8014. if (magic == TG3_EEPROM_MAGIC)
  8015. size = NVRAM_TEST_SIZE;
  8016. else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
  8017. if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
  8018. TG3_EEPROM_SB_FORMAT_1) {
  8019. switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
  8020. case TG3_EEPROM_SB_REVISION_0:
  8021. size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
  8022. break;
  8023. case TG3_EEPROM_SB_REVISION_2:
  8024. size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
  8025. break;
  8026. case TG3_EEPROM_SB_REVISION_3:
  8027. size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
  8028. break;
  8029. default:
  8030. return 0;
  8031. }
  8032. } else
  8033. return 0;
  8034. } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
  8035. size = NVRAM_SELFBOOT_HW_SIZE;
  8036. else
  8037. return -EIO;
  8038. buf = kmalloc(size, GFP_KERNEL);
  8039. if (buf == NULL)
  8040. return -ENOMEM;
  8041. err = -EIO;
  8042. for (i = 0, j = 0; i < size; i += 4, j++) {
  8043. if ((err = tg3_nvram_read_le(tp, i, &buf[j])) != 0)
  8044. break;
  8045. }
  8046. if (i < size)
  8047. goto out;
  8048. /* Selfboot format */
  8049. magic = swab32(le32_to_cpu(buf[0]));
  8050. if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
  8051. TG3_EEPROM_MAGIC_FW) {
  8052. u8 *buf8 = (u8 *) buf, csum8 = 0;
  8053. if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
  8054. TG3_EEPROM_SB_REVISION_2) {
  8055. /* For rev 2, the csum doesn't include the MBA. */
  8056. for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
  8057. csum8 += buf8[i];
  8058. for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
  8059. csum8 += buf8[i];
  8060. } else {
  8061. for (i = 0; i < size; i++)
  8062. csum8 += buf8[i];
  8063. }
  8064. if (csum8 == 0) {
  8065. err = 0;
  8066. goto out;
  8067. }
  8068. err = -EIO;
  8069. goto out;
  8070. }
  8071. if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
  8072. TG3_EEPROM_MAGIC_HW) {
  8073. u8 data[NVRAM_SELFBOOT_DATA_SIZE];
  8074. u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
  8075. u8 *buf8 = (u8 *) buf;
  8076. /* Separate the parity bits and the data bytes. */
  8077. for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
  8078. if ((i == 0) || (i == 8)) {
  8079. int l;
  8080. u8 msk;
  8081. for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
  8082. parity[k++] = buf8[i] & msk;
  8083. i++;
  8084. }
  8085. else if (i == 16) {
  8086. int l;
  8087. u8 msk;
  8088. for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
  8089. parity[k++] = buf8[i] & msk;
  8090. i++;
  8091. for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
  8092. parity[k++] = buf8[i] & msk;
  8093. i++;
  8094. }
  8095. data[j++] = buf8[i];
  8096. }
  8097. err = -EIO;
  8098. for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
  8099. u8 hw8 = hweight8(data[i]);
  8100. if ((hw8 & 0x1) && parity[i])
  8101. goto out;
  8102. else if (!(hw8 & 0x1) && !parity[i])
  8103. goto out;
  8104. }
  8105. err = 0;
  8106. goto out;
  8107. }
  8108. /* Bootstrap checksum at offset 0x10 */
  8109. csum = calc_crc((unsigned char *) buf, 0x10);
  8110. if(csum != le32_to_cpu(buf[0x10/4]))
  8111. goto out;
  8112. /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
  8113. csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
  8114. if (csum != le32_to_cpu(buf[0xfc/4]))
  8115. goto out;
  8116. err = 0;
  8117. out:
  8118. kfree(buf);
  8119. return err;
  8120. }
  8121. #define TG3_SERDES_TIMEOUT_SEC 2
  8122. #define TG3_COPPER_TIMEOUT_SEC 6
  8123. static int tg3_test_link(struct tg3 *tp)
  8124. {
  8125. int i, max;
  8126. if (!netif_running(tp->dev))
  8127. return -ENODEV;
  8128. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  8129. max = TG3_SERDES_TIMEOUT_SEC;
  8130. else
  8131. max = TG3_COPPER_TIMEOUT_SEC;
  8132. for (i = 0; i < max; i++) {
  8133. if (netif_carrier_ok(tp->dev))
  8134. return 0;
  8135. if (msleep_interruptible(1000))
  8136. break;
  8137. }
  8138. return -EIO;
  8139. }
  8140. /* Only test the commonly used registers */
  8141. static int tg3_test_registers(struct tg3 *tp)
  8142. {
  8143. int i, is_5705, is_5750;
  8144. u32 offset, read_mask, write_mask, val, save_val, read_val;
  8145. static struct {
  8146. u16 offset;
  8147. u16 flags;
  8148. #define TG3_FL_5705 0x1
  8149. #define TG3_FL_NOT_5705 0x2
  8150. #define TG3_FL_NOT_5788 0x4
  8151. #define TG3_FL_NOT_5750 0x8
  8152. u32 read_mask;
  8153. u32 write_mask;
  8154. } reg_tbl[] = {
  8155. /* MAC Control Registers */
  8156. { MAC_MODE, TG3_FL_NOT_5705,
  8157. 0x00000000, 0x00ef6f8c },
  8158. { MAC_MODE, TG3_FL_5705,
  8159. 0x00000000, 0x01ef6b8c },
  8160. { MAC_STATUS, TG3_FL_NOT_5705,
  8161. 0x03800107, 0x00000000 },
  8162. { MAC_STATUS, TG3_FL_5705,
  8163. 0x03800100, 0x00000000 },
  8164. { MAC_ADDR_0_HIGH, 0x0000,
  8165. 0x00000000, 0x0000ffff },
  8166. { MAC_ADDR_0_LOW, 0x0000,
  8167. 0x00000000, 0xffffffff },
  8168. { MAC_RX_MTU_SIZE, 0x0000,
  8169. 0x00000000, 0x0000ffff },
  8170. { MAC_TX_MODE, 0x0000,
  8171. 0x00000000, 0x00000070 },
  8172. { MAC_TX_LENGTHS, 0x0000,
  8173. 0x00000000, 0x00003fff },
  8174. { MAC_RX_MODE, TG3_FL_NOT_5705,
  8175. 0x00000000, 0x000007fc },
  8176. { MAC_RX_MODE, TG3_FL_5705,
  8177. 0x00000000, 0x000007dc },
  8178. { MAC_HASH_REG_0, 0x0000,
  8179. 0x00000000, 0xffffffff },
  8180. { MAC_HASH_REG_1, 0x0000,
  8181. 0x00000000, 0xffffffff },
  8182. { MAC_HASH_REG_2, 0x0000,
  8183. 0x00000000, 0xffffffff },
  8184. { MAC_HASH_REG_3, 0x0000,
  8185. 0x00000000, 0xffffffff },
  8186. /* Receive Data and Receive BD Initiator Control Registers. */
  8187. { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
  8188. 0x00000000, 0xffffffff },
  8189. { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
  8190. 0x00000000, 0xffffffff },
  8191. { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
  8192. 0x00000000, 0x00000003 },
  8193. { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
  8194. 0x00000000, 0xffffffff },
  8195. { RCVDBDI_STD_BD+0, 0x0000,
  8196. 0x00000000, 0xffffffff },
  8197. { RCVDBDI_STD_BD+4, 0x0000,
  8198. 0x00000000, 0xffffffff },
  8199. { RCVDBDI_STD_BD+8, 0x0000,
  8200. 0x00000000, 0xffff0002 },
  8201. { RCVDBDI_STD_BD+0xc, 0x0000,
  8202. 0x00000000, 0xffffffff },
  8203. /* Receive BD Initiator Control Registers. */
  8204. { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
  8205. 0x00000000, 0xffffffff },
  8206. { RCVBDI_STD_THRESH, TG3_FL_5705,
  8207. 0x00000000, 0x000003ff },
  8208. { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
  8209. 0x00000000, 0xffffffff },
  8210. /* Host Coalescing Control Registers. */
  8211. { HOSTCC_MODE, TG3_FL_NOT_5705,
  8212. 0x00000000, 0x00000004 },
  8213. { HOSTCC_MODE, TG3_FL_5705,
  8214. 0x00000000, 0x000000f6 },
  8215. { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
  8216. 0x00000000, 0xffffffff },
  8217. { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
  8218. 0x00000000, 0x000003ff },
  8219. { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
  8220. 0x00000000, 0xffffffff },
  8221. { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
  8222. 0x00000000, 0x000003ff },
  8223. { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
  8224. 0x00000000, 0xffffffff },
  8225. { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  8226. 0x00000000, 0x000000ff },
  8227. { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
  8228. 0x00000000, 0xffffffff },
  8229. { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  8230. 0x00000000, 0x000000ff },
  8231. { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
  8232. 0x00000000, 0xffffffff },
  8233. { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
  8234. 0x00000000, 0xffffffff },
  8235. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  8236. 0x00000000, 0xffffffff },
  8237. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  8238. 0x00000000, 0x000000ff },
  8239. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  8240. 0x00000000, 0xffffffff },
  8241. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  8242. 0x00000000, 0x000000ff },
  8243. { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
  8244. 0x00000000, 0xffffffff },
  8245. { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
  8246. 0x00000000, 0xffffffff },
  8247. { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
  8248. 0x00000000, 0xffffffff },
  8249. { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
  8250. 0x00000000, 0xffffffff },
  8251. { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
  8252. 0x00000000, 0xffffffff },
  8253. { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
  8254. 0xffffffff, 0x00000000 },
  8255. { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
  8256. 0xffffffff, 0x00000000 },
  8257. /* Buffer Manager Control Registers. */
  8258. { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
  8259. 0x00000000, 0x007fff80 },
  8260. { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
  8261. 0x00000000, 0x007fffff },
  8262. { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
  8263. 0x00000000, 0x0000003f },
  8264. { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
  8265. 0x00000000, 0x000001ff },
  8266. { BUFMGR_MB_HIGH_WATER, 0x0000,
  8267. 0x00000000, 0x000001ff },
  8268. { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
  8269. 0xffffffff, 0x00000000 },
  8270. { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
  8271. 0xffffffff, 0x00000000 },
  8272. /* Mailbox Registers */
  8273. { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
  8274. 0x00000000, 0x000001ff },
  8275. { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
  8276. 0x00000000, 0x000001ff },
  8277. { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
  8278. 0x00000000, 0x000007ff },
  8279. { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
  8280. 0x00000000, 0x000001ff },
  8281. { 0xffff, 0x0000, 0x00000000, 0x00000000 },
  8282. };
  8283. is_5705 = is_5750 = 0;
  8284. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8285. is_5705 = 1;
  8286. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  8287. is_5750 = 1;
  8288. }
  8289. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  8290. if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
  8291. continue;
  8292. if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
  8293. continue;
  8294. if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  8295. (reg_tbl[i].flags & TG3_FL_NOT_5788))
  8296. continue;
  8297. if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
  8298. continue;
  8299. offset = (u32) reg_tbl[i].offset;
  8300. read_mask = reg_tbl[i].read_mask;
  8301. write_mask = reg_tbl[i].write_mask;
  8302. /* Save the original register content */
  8303. save_val = tr32(offset);
  8304. /* Determine the read-only value. */
  8305. read_val = save_val & read_mask;
  8306. /* Write zero to the register, then make sure the read-only bits
  8307. * are not changed and the read/write bits are all zeros.
  8308. */
  8309. tw32(offset, 0);
  8310. val = tr32(offset);
  8311. /* Test the read-only and read/write bits. */
  8312. if (((val & read_mask) != read_val) || (val & write_mask))
  8313. goto out;
  8314. /* Write ones to all the bits defined by RdMask and WrMask, then
  8315. * make sure the read-only bits are not changed and the
  8316. * read/write bits are all ones.
  8317. */
  8318. tw32(offset, read_mask | write_mask);
  8319. val = tr32(offset);
  8320. /* Test the read-only bits. */
  8321. if ((val & read_mask) != read_val)
  8322. goto out;
  8323. /* Test the read/write bits. */
  8324. if ((val & write_mask) != write_mask)
  8325. goto out;
  8326. tw32(offset, save_val);
  8327. }
  8328. return 0;
  8329. out:
  8330. if (netif_msg_hw(tp))
  8331. printk(KERN_ERR PFX "Register test failed at offset %x\n",
  8332. offset);
  8333. tw32(offset, save_val);
  8334. return -EIO;
  8335. }
  8336. static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
  8337. {
  8338. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
  8339. int i;
  8340. u32 j;
  8341. for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
  8342. for (j = 0; j < len; j += 4) {
  8343. u32 val;
  8344. tg3_write_mem(tp, offset + j, test_pattern[i]);
  8345. tg3_read_mem(tp, offset + j, &val);
  8346. if (val != test_pattern[i])
  8347. return -EIO;
  8348. }
  8349. }
  8350. return 0;
  8351. }
  8352. static int tg3_test_memory(struct tg3 *tp)
  8353. {
  8354. static struct mem_entry {
  8355. u32 offset;
  8356. u32 len;
  8357. } mem_tbl_570x[] = {
  8358. { 0x00000000, 0x00b50},
  8359. { 0x00002000, 0x1c000},
  8360. { 0xffffffff, 0x00000}
  8361. }, mem_tbl_5705[] = {
  8362. { 0x00000100, 0x0000c},
  8363. { 0x00000200, 0x00008},
  8364. { 0x00004000, 0x00800},
  8365. { 0x00006000, 0x01000},
  8366. { 0x00008000, 0x02000},
  8367. { 0x00010000, 0x0e000},
  8368. { 0xffffffff, 0x00000}
  8369. }, mem_tbl_5755[] = {
  8370. { 0x00000200, 0x00008},
  8371. { 0x00004000, 0x00800},
  8372. { 0x00006000, 0x00800},
  8373. { 0x00008000, 0x02000},
  8374. { 0x00010000, 0x0c000},
  8375. { 0xffffffff, 0x00000}
  8376. }, mem_tbl_5906[] = {
  8377. { 0x00000200, 0x00008},
  8378. { 0x00004000, 0x00400},
  8379. { 0x00006000, 0x00400},
  8380. { 0x00008000, 0x01000},
  8381. { 0x00010000, 0x01000},
  8382. { 0xffffffff, 0x00000}
  8383. };
  8384. struct mem_entry *mem_tbl;
  8385. int err = 0;
  8386. int i;
  8387. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  8388. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  8389. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  8390. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  8391. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  8392. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  8393. mem_tbl = mem_tbl_5755;
  8394. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  8395. mem_tbl = mem_tbl_5906;
  8396. else
  8397. mem_tbl = mem_tbl_5705;
  8398. } else
  8399. mem_tbl = mem_tbl_570x;
  8400. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  8401. if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
  8402. mem_tbl[i].len)) != 0)
  8403. break;
  8404. }
  8405. return err;
  8406. }
  8407. #define TG3_MAC_LOOPBACK 0
  8408. #define TG3_PHY_LOOPBACK 1
  8409. static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
  8410. {
  8411. u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
  8412. u32 desc_idx;
  8413. struct sk_buff *skb, *rx_skb;
  8414. u8 *tx_data;
  8415. dma_addr_t map;
  8416. int num_pkts, tx_len, rx_len, i, err;
  8417. struct tg3_rx_buffer_desc *desc;
  8418. if (loopback_mode == TG3_MAC_LOOPBACK) {
  8419. /* HW errata - mac loopback fails in some cases on 5780.
  8420. * Normal traffic and PHY loopback are not affected by
  8421. * errata.
  8422. */
  8423. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  8424. return 0;
  8425. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  8426. MAC_MODE_PORT_INT_LPBACK;
  8427. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  8428. mac_mode |= MAC_MODE_LINK_POLARITY;
  8429. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  8430. mac_mode |= MAC_MODE_PORT_MODE_MII;
  8431. else
  8432. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  8433. tw32(MAC_MODE, mac_mode);
  8434. } else if (loopback_mode == TG3_PHY_LOOPBACK) {
  8435. u32 val;
  8436. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  8437. u32 phytest;
  8438. if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
  8439. u32 phy;
  8440. tg3_writephy(tp, MII_TG3_EPHY_TEST,
  8441. phytest | MII_TG3_EPHY_SHADOW_EN);
  8442. if (!tg3_readphy(tp, 0x1b, &phy))
  8443. tg3_writephy(tp, 0x1b, phy & ~0x20);
  8444. tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
  8445. }
  8446. val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
  8447. } else
  8448. val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
  8449. tg3_phy_toggle_automdix(tp, 0);
  8450. tg3_writephy(tp, MII_BMCR, val);
  8451. udelay(40);
  8452. mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  8453. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  8454. tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
  8455. mac_mode |= MAC_MODE_PORT_MODE_MII;
  8456. } else
  8457. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  8458. /* reset to prevent losing 1st rx packet intermittently */
  8459. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  8460. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  8461. udelay(10);
  8462. tw32_f(MAC_RX_MODE, tp->rx_mode);
  8463. }
  8464. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  8465. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
  8466. mac_mode &= ~MAC_MODE_LINK_POLARITY;
  8467. else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
  8468. mac_mode |= MAC_MODE_LINK_POLARITY;
  8469. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  8470. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  8471. }
  8472. tw32(MAC_MODE, mac_mode);
  8473. }
  8474. else
  8475. return -EINVAL;
  8476. err = -EIO;
  8477. tx_len = 1514;
  8478. skb = netdev_alloc_skb(tp->dev, tx_len);
  8479. if (!skb)
  8480. return -ENOMEM;
  8481. tx_data = skb_put(skb, tx_len);
  8482. memcpy(tx_data, tp->dev->dev_addr, 6);
  8483. memset(tx_data + 6, 0x0, 8);
  8484. tw32(MAC_RX_MTU_SIZE, tx_len + 4);
  8485. for (i = 14; i < tx_len; i++)
  8486. tx_data[i] = (u8) (i & 0xff);
  8487. map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
  8488. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  8489. HOSTCC_MODE_NOW);
  8490. udelay(10);
  8491. rx_start_idx = tp->hw_status->idx[0].rx_producer;
  8492. num_pkts = 0;
  8493. tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
  8494. tp->tx_prod++;
  8495. num_pkts++;
  8496. tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
  8497. tp->tx_prod);
  8498. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
  8499. udelay(10);
  8500. /* 250 usec to allow enough time on some 10/100 Mbps devices. */
  8501. for (i = 0; i < 25; i++) {
  8502. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  8503. HOSTCC_MODE_NOW);
  8504. udelay(10);
  8505. tx_idx = tp->hw_status->idx[0].tx_consumer;
  8506. rx_idx = tp->hw_status->idx[0].rx_producer;
  8507. if ((tx_idx == tp->tx_prod) &&
  8508. (rx_idx == (rx_start_idx + num_pkts)))
  8509. break;
  8510. }
  8511. pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
  8512. dev_kfree_skb(skb);
  8513. if (tx_idx != tp->tx_prod)
  8514. goto out;
  8515. if (rx_idx != rx_start_idx + num_pkts)
  8516. goto out;
  8517. desc = &tp->rx_rcb[rx_start_idx];
  8518. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  8519. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  8520. if (opaque_key != RXD_OPAQUE_RING_STD)
  8521. goto out;
  8522. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  8523. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
  8524. goto out;
  8525. rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
  8526. if (rx_len != tx_len)
  8527. goto out;
  8528. rx_skb = tp->rx_std_buffers[desc_idx].skb;
  8529. map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
  8530. pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
  8531. for (i = 14; i < tx_len; i++) {
  8532. if (*(rx_skb->data + i) != (u8) (i & 0xff))
  8533. goto out;
  8534. }
  8535. err = 0;
  8536. /* tg3_free_rings will unmap and free the rx_skb */
  8537. out:
  8538. return err;
  8539. }
  8540. #define TG3_MAC_LOOPBACK_FAILED 1
  8541. #define TG3_PHY_LOOPBACK_FAILED 2
  8542. #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
  8543. TG3_PHY_LOOPBACK_FAILED)
  8544. static int tg3_test_loopback(struct tg3 *tp)
  8545. {
  8546. int err = 0;
  8547. u32 cpmuctrl = 0;
  8548. if (!netif_running(tp->dev))
  8549. return TG3_LOOPBACK_FAILED;
  8550. err = tg3_reset_hw(tp, 1);
  8551. if (err)
  8552. return TG3_LOOPBACK_FAILED;
  8553. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  8554. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  8555. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
  8556. int i;
  8557. u32 status;
  8558. tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
  8559. /* Wait for up to 40 microseconds to acquire lock. */
  8560. for (i = 0; i < 4; i++) {
  8561. status = tr32(TG3_CPMU_MUTEX_GNT);
  8562. if (status == CPMU_MUTEX_GNT_DRIVER)
  8563. break;
  8564. udelay(10);
  8565. }
  8566. if (status != CPMU_MUTEX_GNT_DRIVER)
  8567. return TG3_LOOPBACK_FAILED;
  8568. /* Turn off link-based power management. */
  8569. cpmuctrl = tr32(TG3_CPMU_CTRL);
  8570. tw32(TG3_CPMU_CTRL,
  8571. cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
  8572. CPMU_CTRL_LINK_AWARE_MODE));
  8573. }
  8574. if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
  8575. err |= TG3_MAC_LOOPBACK_FAILED;
  8576. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  8577. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  8578. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
  8579. tw32(TG3_CPMU_CTRL, cpmuctrl);
  8580. /* Release the mutex */
  8581. tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
  8582. }
  8583. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  8584. !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
  8585. if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
  8586. err |= TG3_PHY_LOOPBACK_FAILED;
  8587. }
  8588. return err;
  8589. }
  8590. static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
  8591. u64 *data)
  8592. {
  8593. struct tg3 *tp = netdev_priv(dev);
  8594. if (tp->link_config.phy_is_low_power)
  8595. tg3_set_power_state(tp, PCI_D0);
  8596. memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
  8597. if (tg3_test_nvram(tp) != 0) {
  8598. etest->flags |= ETH_TEST_FL_FAILED;
  8599. data[0] = 1;
  8600. }
  8601. if (tg3_test_link(tp) != 0) {
  8602. etest->flags |= ETH_TEST_FL_FAILED;
  8603. data[1] = 1;
  8604. }
  8605. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  8606. int err, err2 = 0, irq_sync = 0;
  8607. if (netif_running(dev)) {
  8608. tg3_phy_stop(tp);
  8609. tg3_netif_stop(tp);
  8610. irq_sync = 1;
  8611. }
  8612. tg3_full_lock(tp, irq_sync);
  8613. tg3_halt(tp, RESET_KIND_SUSPEND, 1);
  8614. err = tg3_nvram_lock(tp);
  8615. tg3_halt_cpu(tp, RX_CPU_BASE);
  8616. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  8617. tg3_halt_cpu(tp, TX_CPU_BASE);
  8618. if (!err)
  8619. tg3_nvram_unlock(tp);
  8620. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  8621. tg3_phy_reset(tp);
  8622. if (tg3_test_registers(tp) != 0) {
  8623. etest->flags |= ETH_TEST_FL_FAILED;
  8624. data[2] = 1;
  8625. }
  8626. if (tg3_test_memory(tp) != 0) {
  8627. etest->flags |= ETH_TEST_FL_FAILED;
  8628. data[3] = 1;
  8629. }
  8630. if ((data[4] = tg3_test_loopback(tp)) != 0)
  8631. etest->flags |= ETH_TEST_FL_FAILED;
  8632. tg3_full_unlock(tp);
  8633. if (tg3_test_interrupt(tp) != 0) {
  8634. etest->flags |= ETH_TEST_FL_FAILED;
  8635. data[5] = 1;
  8636. }
  8637. tg3_full_lock(tp, 0);
  8638. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  8639. if (netif_running(dev)) {
  8640. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  8641. err2 = tg3_restart_hw(tp, 1);
  8642. if (!err2)
  8643. tg3_netif_start(tp);
  8644. }
  8645. tg3_full_unlock(tp);
  8646. if (irq_sync && !err2)
  8647. tg3_phy_start(tp);
  8648. }
  8649. if (tp->link_config.phy_is_low_power)
  8650. tg3_set_power_state(tp, PCI_D3hot);
  8651. }
  8652. static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  8653. {
  8654. struct mii_ioctl_data *data = if_mii(ifr);
  8655. struct tg3 *tp = netdev_priv(dev);
  8656. int err;
  8657. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  8658. if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
  8659. return -EAGAIN;
  8660. return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
  8661. }
  8662. switch(cmd) {
  8663. case SIOCGMIIPHY:
  8664. data->phy_id = PHY_ADDR;
  8665. /* fallthru */
  8666. case SIOCGMIIREG: {
  8667. u32 mii_regval;
  8668. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  8669. break; /* We have no PHY */
  8670. if (tp->link_config.phy_is_low_power)
  8671. return -EAGAIN;
  8672. spin_lock_bh(&tp->lock);
  8673. err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
  8674. spin_unlock_bh(&tp->lock);
  8675. data->val_out = mii_regval;
  8676. return err;
  8677. }
  8678. case SIOCSMIIREG:
  8679. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  8680. break; /* We have no PHY */
  8681. if (!capable(CAP_NET_ADMIN))
  8682. return -EPERM;
  8683. if (tp->link_config.phy_is_low_power)
  8684. return -EAGAIN;
  8685. spin_lock_bh(&tp->lock);
  8686. err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
  8687. spin_unlock_bh(&tp->lock);
  8688. return err;
  8689. default:
  8690. /* do nothing */
  8691. break;
  8692. }
  8693. return -EOPNOTSUPP;
  8694. }
  8695. #if TG3_VLAN_TAG_USED
  8696. static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
  8697. {
  8698. struct tg3 *tp = netdev_priv(dev);
  8699. if (netif_running(dev))
  8700. tg3_netif_stop(tp);
  8701. tg3_full_lock(tp, 0);
  8702. tp->vlgrp = grp;
  8703. /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
  8704. __tg3_set_rx_mode(dev);
  8705. if (netif_running(dev))
  8706. tg3_netif_start(tp);
  8707. tg3_full_unlock(tp);
  8708. }
  8709. #endif
  8710. static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  8711. {
  8712. struct tg3 *tp = netdev_priv(dev);
  8713. memcpy(ec, &tp->coal, sizeof(*ec));
  8714. return 0;
  8715. }
  8716. static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  8717. {
  8718. struct tg3 *tp = netdev_priv(dev);
  8719. u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
  8720. u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
  8721. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  8722. max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
  8723. max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
  8724. max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
  8725. min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
  8726. }
  8727. if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
  8728. (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
  8729. (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
  8730. (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
  8731. (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
  8732. (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
  8733. (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
  8734. (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
  8735. (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
  8736. (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
  8737. return -EINVAL;
  8738. /* No rx interrupts will be generated if both are zero */
  8739. if ((ec->rx_coalesce_usecs == 0) &&
  8740. (ec->rx_max_coalesced_frames == 0))
  8741. return -EINVAL;
  8742. /* No tx interrupts will be generated if both are zero */
  8743. if ((ec->tx_coalesce_usecs == 0) &&
  8744. (ec->tx_max_coalesced_frames == 0))
  8745. return -EINVAL;
  8746. /* Only copy relevant parameters, ignore all others. */
  8747. tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
  8748. tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
  8749. tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
  8750. tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
  8751. tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
  8752. tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
  8753. tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
  8754. tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
  8755. tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
  8756. if (netif_running(dev)) {
  8757. tg3_full_lock(tp, 0);
  8758. __tg3_set_coalesce(tp, &tp->coal);
  8759. tg3_full_unlock(tp);
  8760. }
  8761. return 0;
  8762. }
  8763. static const struct ethtool_ops tg3_ethtool_ops = {
  8764. .get_settings = tg3_get_settings,
  8765. .set_settings = tg3_set_settings,
  8766. .get_drvinfo = tg3_get_drvinfo,
  8767. .get_regs_len = tg3_get_regs_len,
  8768. .get_regs = tg3_get_regs,
  8769. .get_wol = tg3_get_wol,
  8770. .set_wol = tg3_set_wol,
  8771. .get_msglevel = tg3_get_msglevel,
  8772. .set_msglevel = tg3_set_msglevel,
  8773. .nway_reset = tg3_nway_reset,
  8774. .get_link = ethtool_op_get_link,
  8775. .get_eeprom_len = tg3_get_eeprom_len,
  8776. .get_eeprom = tg3_get_eeprom,
  8777. .set_eeprom = tg3_set_eeprom,
  8778. .get_ringparam = tg3_get_ringparam,
  8779. .set_ringparam = tg3_set_ringparam,
  8780. .get_pauseparam = tg3_get_pauseparam,
  8781. .set_pauseparam = tg3_set_pauseparam,
  8782. .get_rx_csum = tg3_get_rx_csum,
  8783. .set_rx_csum = tg3_set_rx_csum,
  8784. .set_tx_csum = tg3_set_tx_csum,
  8785. .set_sg = ethtool_op_set_sg,
  8786. .set_tso = tg3_set_tso,
  8787. .self_test = tg3_self_test,
  8788. .get_strings = tg3_get_strings,
  8789. .phys_id = tg3_phys_id,
  8790. .get_ethtool_stats = tg3_get_ethtool_stats,
  8791. .get_coalesce = tg3_get_coalesce,
  8792. .set_coalesce = tg3_set_coalesce,
  8793. .get_sset_count = tg3_get_sset_count,
  8794. };
  8795. static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
  8796. {
  8797. u32 cursize, val, magic;
  8798. tp->nvram_size = EEPROM_CHIP_SIZE;
  8799. if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
  8800. return;
  8801. if ((magic != TG3_EEPROM_MAGIC) &&
  8802. ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
  8803. ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
  8804. return;
  8805. /*
  8806. * Size the chip by reading offsets at increasing powers of two.
  8807. * When we encounter our validation signature, we know the addressing
  8808. * has wrapped around, and thus have our chip size.
  8809. */
  8810. cursize = 0x10;
  8811. while (cursize < tp->nvram_size) {
  8812. if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
  8813. return;
  8814. if (val == magic)
  8815. break;
  8816. cursize <<= 1;
  8817. }
  8818. tp->nvram_size = cursize;
  8819. }
  8820. static void __devinit tg3_get_nvram_size(struct tg3 *tp)
  8821. {
  8822. u32 val;
  8823. if (tg3_nvram_read_swab(tp, 0, &val) != 0)
  8824. return;
  8825. /* Selfboot format */
  8826. if (val != TG3_EEPROM_MAGIC) {
  8827. tg3_get_eeprom_size(tp);
  8828. return;
  8829. }
  8830. if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
  8831. if (val != 0) {
  8832. tp->nvram_size = (val >> 16) * 1024;
  8833. return;
  8834. }
  8835. }
  8836. tp->nvram_size = TG3_NVRAM_SIZE_512KB;
  8837. }
  8838. static void __devinit tg3_get_nvram_info(struct tg3 *tp)
  8839. {
  8840. u32 nvcfg1;
  8841. nvcfg1 = tr32(NVRAM_CFG1);
  8842. if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
  8843. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8844. }
  8845. else {
  8846. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  8847. tw32(NVRAM_CFG1, nvcfg1);
  8848. }
  8849. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
  8850. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  8851. switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
  8852. case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
  8853. tp->nvram_jedecnum = JEDEC_ATMEL;
  8854. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  8855. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8856. break;
  8857. case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
  8858. tp->nvram_jedecnum = JEDEC_ATMEL;
  8859. tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
  8860. break;
  8861. case FLASH_VENDOR_ATMEL_EEPROM:
  8862. tp->nvram_jedecnum = JEDEC_ATMEL;
  8863. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  8864. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8865. break;
  8866. case FLASH_VENDOR_ST:
  8867. tp->nvram_jedecnum = JEDEC_ST;
  8868. tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
  8869. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8870. break;
  8871. case FLASH_VENDOR_SAIFUN:
  8872. tp->nvram_jedecnum = JEDEC_SAIFUN;
  8873. tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
  8874. break;
  8875. case FLASH_VENDOR_SST_SMALL:
  8876. case FLASH_VENDOR_SST_LARGE:
  8877. tp->nvram_jedecnum = JEDEC_SST;
  8878. tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
  8879. break;
  8880. }
  8881. }
  8882. else {
  8883. tp->nvram_jedecnum = JEDEC_ATMEL;
  8884. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  8885. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8886. }
  8887. }
  8888. static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
  8889. {
  8890. u32 nvcfg1;
  8891. nvcfg1 = tr32(NVRAM_CFG1);
  8892. /* NVRAM protection for TPM */
  8893. if (nvcfg1 & (1 << 27))
  8894. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  8895. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  8896. case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
  8897. case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
  8898. tp->nvram_jedecnum = JEDEC_ATMEL;
  8899. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8900. break;
  8901. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  8902. tp->nvram_jedecnum = JEDEC_ATMEL;
  8903. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8904. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8905. break;
  8906. case FLASH_5752VENDOR_ST_M45PE10:
  8907. case FLASH_5752VENDOR_ST_M45PE20:
  8908. case FLASH_5752VENDOR_ST_M45PE40:
  8909. tp->nvram_jedecnum = JEDEC_ST;
  8910. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8911. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8912. break;
  8913. }
  8914. if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
  8915. switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
  8916. case FLASH_5752PAGE_SIZE_256:
  8917. tp->nvram_pagesize = 256;
  8918. break;
  8919. case FLASH_5752PAGE_SIZE_512:
  8920. tp->nvram_pagesize = 512;
  8921. break;
  8922. case FLASH_5752PAGE_SIZE_1K:
  8923. tp->nvram_pagesize = 1024;
  8924. break;
  8925. case FLASH_5752PAGE_SIZE_2K:
  8926. tp->nvram_pagesize = 2048;
  8927. break;
  8928. case FLASH_5752PAGE_SIZE_4K:
  8929. tp->nvram_pagesize = 4096;
  8930. break;
  8931. case FLASH_5752PAGE_SIZE_264:
  8932. tp->nvram_pagesize = 264;
  8933. break;
  8934. }
  8935. }
  8936. else {
  8937. /* For eeprom, set pagesize to maximum eeprom size */
  8938. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  8939. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  8940. tw32(NVRAM_CFG1, nvcfg1);
  8941. }
  8942. }
  8943. static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
  8944. {
  8945. u32 nvcfg1, protect = 0;
  8946. nvcfg1 = tr32(NVRAM_CFG1);
  8947. /* NVRAM protection for TPM */
  8948. if (nvcfg1 & (1 << 27)) {
  8949. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  8950. protect = 1;
  8951. }
  8952. nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
  8953. switch (nvcfg1) {
  8954. case FLASH_5755VENDOR_ATMEL_FLASH_1:
  8955. case FLASH_5755VENDOR_ATMEL_FLASH_2:
  8956. case FLASH_5755VENDOR_ATMEL_FLASH_3:
  8957. case FLASH_5755VENDOR_ATMEL_FLASH_5:
  8958. tp->nvram_jedecnum = JEDEC_ATMEL;
  8959. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8960. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8961. tp->nvram_pagesize = 264;
  8962. if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
  8963. nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
  8964. tp->nvram_size = (protect ? 0x3e200 :
  8965. TG3_NVRAM_SIZE_512KB);
  8966. else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
  8967. tp->nvram_size = (protect ? 0x1f200 :
  8968. TG3_NVRAM_SIZE_256KB);
  8969. else
  8970. tp->nvram_size = (protect ? 0x1f200 :
  8971. TG3_NVRAM_SIZE_128KB);
  8972. break;
  8973. case FLASH_5752VENDOR_ST_M45PE10:
  8974. case FLASH_5752VENDOR_ST_M45PE20:
  8975. case FLASH_5752VENDOR_ST_M45PE40:
  8976. tp->nvram_jedecnum = JEDEC_ST;
  8977. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8978. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8979. tp->nvram_pagesize = 256;
  8980. if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
  8981. tp->nvram_size = (protect ?
  8982. TG3_NVRAM_SIZE_64KB :
  8983. TG3_NVRAM_SIZE_128KB);
  8984. else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
  8985. tp->nvram_size = (protect ?
  8986. TG3_NVRAM_SIZE_64KB :
  8987. TG3_NVRAM_SIZE_256KB);
  8988. else
  8989. tp->nvram_size = (protect ?
  8990. TG3_NVRAM_SIZE_128KB :
  8991. TG3_NVRAM_SIZE_512KB);
  8992. break;
  8993. }
  8994. }
  8995. static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
  8996. {
  8997. u32 nvcfg1;
  8998. nvcfg1 = tr32(NVRAM_CFG1);
  8999. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  9000. case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
  9001. case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
  9002. case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
  9003. case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
  9004. tp->nvram_jedecnum = JEDEC_ATMEL;
  9005. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9006. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  9007. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  9008. tw32(NVRAM_CFG1, nvcfg1);
  9009. break;
  9010. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  9011. case FLASH_5755VENDOR_ATMEL_FLASH_1:
  9012. case FLASH_5755VENDOR_ATMEL_FLASH_2:
  9013. case FLASH_5755VENDOR_ATMEL_FLASH_3:
  9014. tp->nvram_jedecnum = JEDEC_ATMEL;
  9015. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9016. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  9017. tp->nvram_pagesize = 264;
  9018. break;
  9019. case FLASH_5752VENDOR_ST_M45PE10:
  9020. case FLASH_5752VENDOR_ST_M45PE20:
  9021. case FLASH_5752VENDOR_ST_M45PE40:
  9022. tp->nvram_jedecnum = JEDEC_ST;
  9023. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9024. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  9025. tp->nvram_pagesize = 256;
  9026. break;
  9027. }
  9028. }
  9029. static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
  9030. {
  9031. u32 nvcfg1, protect = 0;
  9032. nvcfg1 = tr32(NVRAM_CFG1);
  9033. /* NVRAM protection for TPM */
  9034. if (nvcfg1 & (1 << 27)) {
  9035. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  9036. protect = 1;
  9037. }
  9038. nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
  9039. switch (nvcfg1) {
  9040. case FLASH_5761VENDOR_ATMEL_ADB021D:
  9041. case FLASH_5761VENDOR_ATMEL_ADB041D:
  9042. case FLASH_5761VENDOR_ATMEL_ADB081D:
  9043. case FLASH_5761VENDOR_ATMEL_ADB161D:
  9044. case FLASH_5761VENDOR_ATMEL_MDB021D:
  9045. case FLASH_5761VENDOR_ATMEL_MDB041D:
  9046. case FLASH_5761VENDOR_ATMEL_MDB081D:
  9047. case FLASH_5761VENDOR_ATMEL_MDB161D:
  9048. tp->nvram_jedecnum = JEDEC_ATMEL;
  9049. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9050. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  9051. tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
  9052. tp->nvram_pagesize = 256;
  9053. break;
  9054. case FLASH_5761VENDOR_ST_A_M45PE20:
  9055. case FLASH_5761VENDOR_ST_A_M45PE40:
  9056. case FLASH_5761VENDOR_ST_A_M45PE80:
  9057. case FLASH_5761VENDOR_ST_A_M45PE16:
  9058. case FLASH_5761VENDOR_ST_M_M45PE20:
  9059. case FLASH_5761VENDOR_ST_M_M45PE40:
  9060. case FLASH_5761VENDOR_ST_M_M45PE80:
  9061. case FLASH_5761VENDOR_ST_M_M45PE16:
  9062. tp->nvram_jedecnum = JEDEC_ST;
  9063. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9064. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  9065. tp->nvram_pagesize = 256;
  9066. break;
  9067. }
  9068. if (protect) {
  9069. tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
  9070. } else {
  9071. switch (nvcfg1) {
  9072. case FLASH_5761VENDOR_ATMEL_ADB161D:
  9073. case FLASH_5761VENDOR_ATMEL_MDB161D:
  9074. case FLASH_5761VENDOR_ST_A_M45PE16:
  9075. case FLASH_5761VENDOR_ST_M_M45PE16:
  9076. tp->nvram_size = TG3_NVRAM_SIZE_2MB;
  9077. break;
  9078. case FLASH_5761VENDOR_ATMEL_ADB081D:
  9079. case FLASH_5761VENDOR_ATMEL_MDB081D:
  9080. case FLASH_5761VENDOR_ST_A_M45PE80:
  9081. case FLASH_5761VENDOR_ST_M_M45PE80:
  9082. tp->nvram_size = TG3_NVRAM_SIZE_1MB;
  9083. break;
  9084. case FLASH_5761VENDOR_ATMEL_ADB041D:
  9085. case FLASH_5761VENDOR_ATMEL_MDB041D:
  9086. case FLASH_5761VENDOR_ST_A_M45PE40:
  9087. case FLASH_5761VENDOR_ST_M_M45PE40:
  9088. tp->nvram_size = TG3_NVRAM_SIZE_512KB;
  9089. break;
  9090. case FLASH_5761VENDOR_ATMEL_ADB021D:
  9091. case FLASH_5761VENDOR_ATMEL_MDB021D:
  9092. case FLASH_5761VENDOR_ST_A_M45PE20:
  9093. case FLASH_5761VENDOR_ST_M_M45PE20:
  9094. tp->nvram_size = TG3_NVRAM_SIZE_256KB;
  9095. break;
  9096. }
  9097. }
  9098. }
  9099. static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
  9100. {
  9101. tp->nvram_jedecnum = JEDEC_ATMEL;
  9102. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  9103. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  9104. }
  9105. /* Chips other than 5700/5701 use the NVRAM for fetching info. */
  9106. static void __devinit tg3_nvram_init(struct tg3 *tp)
  9107. {
  9108. tw32_f(GRC_EEPROM_ADDR,
  9109. (EEPROM_ADDR_FSM_RESET |
  9110. (EEPROM_DEFAULT_CLOCK_PERIOD <<
  9111. EEPROM_ADDR_CLKPERD_SHIFT)));
  9112. msleep(1);
  9113. /* Enable seeprom accesses. */
  9114. tw32_f(GRC_LOCAL_CTRL,
  9115. tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
  9116. udelay(100);
  9117. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  9118. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  9119. tp->tg3_flags |= TG3_FLAG_NVRAM;
  9120. if (tg3_nvram_lock(tp)) {
  9121. printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
  9122. "tg3_nvram_init failed.\n", tp->dev->name);
  9123. return;
  9124. }
  9125. tg3_enable_nvram_access(tp);
  9126. tp->nvram_size = 0;
  9127. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  9128. tg3_get_5752_nvram_info(tp);
  9129. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  9130. tg3_get_5755_nvram_info(tp);
  9131. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  9132. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  9133. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  9134. tg3_get_5787_nvram_info(tp);
  9135. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
  9136. tg3_get_5761_nvram_info(tp);
  9137. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  9138. tg3_get_5906_nvram_info(tp);
  9139. else
  9140. tg3_get_nvram_info(tp);
  9141. if (tp->nvram_size == 0)
  9142. tg3_get_nvram_size(tp);
  9143. tg3_disable_nvram_access(tp);
  9144. tg3_nvram_unlock(tp);
  9145. } else {
  9146. tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
  9147. tg3_get_eeprom_size(tp);
  9148. }
  9149. }
  9150. static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
  9151. u32 offset, u32 *val)
  9152. {
  9153. u32 tmp;
  9154. int i;
  9155. if (offset > EEPROM_ADDR_ADDR_MASK ||
  9156. (offset % 4) != 0)
  9157. return -EINVAL;
  9158. tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
  9159. EEPROM_ADDR_DEVID_MASK |
  9160. EEPROM_ADDR_READ);
  9161. tw32(GRC_EEPROM_ADDR,
  9162. tmp |
  9163. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  9164. ((offset << EEPROM_ADDR_ADDR_SHIFT) &
  9165. EEPROM_ADDR_ADDR_MASK) |
  9166. EEPROM_ADDR_READ | EEPROM_ADDR_START);
  9167. for (i = 0; i < 1000; i++) {
  9168. tmp = tr32(GRC_EEPROM_ADDR);
  9169. if (tmp & EEPROM_ADDR_COMPLETE)
  9170. break;
  9171. msleep(1);
  9172. }
  9173. if (!(tmp & EEPROM_ADDR_COMPLETE))
  9174. return -EBUSY;
  9175. *val = tr32(GRC_EEPROM_DATA);
  9176. return 0;
  9177. }
  9178. #define NVRAM_CMD_TIMEOUT 10000
  9179. static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
  9180. {
  9181. int i;
  9182. tw32(NVRAM_CMD, nvram_cmd);
  9183. for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
  9184. udelay(10);
  9185. if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
  9186. udelay(10);
  9187. break;
  9188. }
  9189. }
  9190. if (i == NVRAM_CMD_TIMEOUT) {
  9191. return -EBUSY;
  9192. }
  9193. return 0;
  9194. }
  9195. static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
  9196. {
  9197. if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
  9198. (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  9199. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  9200. !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
  9201. (tp->nvram_jedecnum == JEDEC_ATMEL))
  9202. addr = ((addr / tp->nvram_pagesize) <<
  9203. ATMEL_AT45DB0X1B_PAGE_POS) +
  9204. (addr % tp->nvram_pagesize);
  9205. return addr;
  9206. }
  9207. static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
  9208. {
  9209. if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
  9210. (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  9211. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  9212. !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
  9213. (tp->nvram_jedecnum == JEDEC_ATMEL))
  9214. addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
  9215. tp->nvram_pagesize) +
  9216. (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
  9217. return addr;
  9218. }
  9219. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
  9220. {
  9221. int ret;
  9222. if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  9223. return tg3_nvram_read_using_eeprom(tp, offset, val);
  9224. offset = tg3_nvram_phys_addr(tp, offset);
  9225. if (offset > NVRAM_ADDR_MSK)
  9226. return -EINVAL;
  9227. ret = tg3_nvram_lock(tp);
  9228. if (ret)
  9229. return ret;
  9230. tg3_enable_nvram_access(tp);
  9231. tw32(NVRAM_ADDR, offset);
  9232. ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
  9233. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
  9234. if (ret == 0)
  9235. *val = swab32(tr32(NVRAM_RDDATA));
  9236. tg3_disable_nvram_access(tp);
  9237. tg3_nvram_unlock(tp);
  9238. return ret;
  9239. }
  9240. static int tg3_nvram_read_le(struct tg3 *tp, u32 offset, __le32 *val)
  9241. {
  9242. u32 v;
  9243. int res = tg3_nvram_read(tp, offset, &v);
  9244. if (!res)
  9245. *val = cpu_to_le32(v);
  9246. return res;
  9247. }
  9248. static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
  9249. {
  9250. int err;
  9251. u32 tmp;
  9252. err = tg3_nvram_read(tp, offset, &tmp);
  9253. *val = swab32(tmp);
  9254. return err;
  9255. }
  9256. static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
  9257. u32 offset, u32 len, u8 *buf)
  9258. {
  9259. int i, j, rc = 0;
  9260. u32 val;
  9261. for (i = 0; i < len; i += 4) {
  9262. u32 addr;
  9263. __le32 data;
  9264. addr = offset + i;
  9265. memcpy(&data, buf + i, 4);
  9266. tw32(GRC_EEPROM_DATA, le32_to_cpu(data));
  9267. val = tr32(GRC_EEPROM_ADDR);
  9268. tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
  9269. val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
  9270. EEPROM_ADDR_READ);
  9271. tw32(GRC_EEPROM_ADDR, val |
  9272. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  9273. (addr & EEPROM_ADDR_ADDR_MASK) |
  9274. EEPROM_ADDR_START |
  9275. EEPROM_ADDR_WRITE);
  9276. for (j = 0; j < 1000; j++) {
  9277. val = tr32(GRC_EEPROM_ADDR);
  9278. if (val & EEPROM_ADDR_COMPLETE)
  9279. break;
  9280. msleep(1);
  9281. }
  9282. if (!(val & EEPROM_ADDR_COMPLETE)) {
  9283. rc = -EBUSY;
  9284. break;
  9285. }
  9286. }
  9287. return rc;
  9288. }
  9289. /* offset and length are dword aligned */
  9290. static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
  9291. u8 *buf)
  9292. {
  9293. int ret = 0;
  9294. u32 pagesize = tp->nvram_pagesize;
  9295. u32 pagemask = pagesize - 1;
  9296. u32 nvram_cmd;
  9297. u8 *tmp;
  9298. tmp = kmalloc(pagesize, GFP_KERNEL);
  9299. if (tmp == NULL)
  9300. return -ENOMEM;
  9301. while (len) {
  9302. int j;
  9303. u32 phy_addr, page_off, size;
  9304. phy_addr = offset & ~pagemask;
  9305. for (j = 0; j < pagesize; j += 4) {
  9306. if ((ret = tg3_nvram_read_le(tp, phy_addr + j,
  9307. (__le32 *) (tmp + j))))
  9308. break;
  9309. }
  9310. if (ret)
  9311. break;
  9312. page_off = offset & pagemask;
  9313. size = pagesize;
  9314. if (len < size)
  9315. size = len;
  9316. len -= size;
  9317. memcpy(tmp + page_off, buf, size);
  9318. offset = offset + (pagesize - page_off);
  9319. tg3_enable_nvram_access(tp);
  9320. /*
  9321. * Before we can erase the flash page, we need
  9322. * to issue a special "write enable" command.
  9323. */
  9324. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  9325. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  9326. break;
  9327. /* Erase the target page */
  9328. tw32(NVRAM_ADDR, phy_addr);
  9329. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
  9330. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
  9331. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  9332. break;
  9333. /* Issue another write enable to start the write. */
  9334. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  9335. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  9336. break;
  9337. for (j = 0; j < pagesize; j += 4) {
  9338. __be32 data;
  9339. data = *((__be32 *) (tmp + j));
  9340. /* swab32(le32_to_cpu(data)), actually */
  9341. tw32(NVRAM_WRDATA, be32_to_cpu(data));
  9342. tw32(NVRAM_ADDR, phy_addr + j);
  9343. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
  9344. NVRAM_CMD_WR;
  9345. if (j == 0)
  9346. nvram_cmd |= NVRAM_CMD_FIRST;
  9347. else if (j == (pagesize - 4))
  9348. nvram_cmd |= NVRAM_CMD_LAST;
  9349. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  9350. break;
  9351. }
  9352. if (ret)
  9353. break;
  9354. }
  9355. nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  9356. tg3_nvram_exec_cmd(tp, nvram_cmd);
  9357. kfree(tmp);
  9358. return ret;
  9359. }
  9360. /* offset and length are dword aligned */
  9361. static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
  9362. u8 *buf)
  9363. {
  9364. int i, ret = 0;
  9365. for (i = 0; i < len; i += 4, offset += 4) {
  9366. u32 page_off, phy_addr, nvram_cmd;
  9367. __be32 data;
  9368. memcpy(&data, buf + i, 4);
  9369. tw32(NVRAM_WRDATA, be32_to_cpu(data));
  9370. page_off = offset % tp->nvram_pagesize;
  9371. phy_addr = tg3_nvram_phys_addr(tp, offset);
  9372. tw32(NVRAM_ADDR, phy_addr);
  9373. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
  9374. if ((page_off == 0) || (i == 0))
  9375. nvram_cmd |= NVRAM_CMD_FIRST;
  9376. if (page_off == (tp->nvram_pagesize - 4))
  9377. nvram_cmd |= NVRAM_CMD_LAST;
  9378. if (i == (len - 4))
  9379. nvram_cmd |= NVRAM_CMD_LAST;
  9380. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
  9381. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
  9382. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
  9383. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784) &&
  9384. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) &&
  9385. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) &&
  9386. (tp->nvram_jedecnum == JEDEC_ST) &&
  9387. (nvram_cmd & NVRAM_CMD_FIRST)) {
  9388. if ((ret = tg3_nvram_exec_cmd(tp,
  9389. NVRAM_CMD_WREN | NVRAM_CMD_GO |
  9390. NVRAM_CMD_DONE)))
  9391. break;
  9392. }
  9393. if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  9394. /* We always do complete word writes to eeprom. */
  9395. nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
  9396. }
  9397. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  9398. break;
  9399. }
  9400. return ret;
  9401. }
  9402. /* offset and length are dword aligned */
  9403. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
  9404. {
  9405. int ret;
  9406. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  9407. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
  9408. ~GRC_LCLCTRL_GPIO_OUTPUT1);
  9409. udelay(40);
  9410. }
  9411. if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
  9412. ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
  9413. }
  9414. else {
  9415. u32 grc_mode;
  9416. ret = tg3_nvram_lock(tp);
  9417. if (ret)
  9418. return ret;
  9419. tg3_enable_nvram_access(tp);
  9420. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  9421. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
  9422. tw32(NVRAM_WRITE1, 0x406);
  9423. grc_mode = tr32(GRC_MODE);
  9424. tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
  9425. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
  9426. !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  9427. ret = tg3_nvram_write_block_buffered(tp, offset, len,
  9428. buf);
  9429. }
  9430. else {
  9431. ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
  9432. buf);
  9433. }
  9434. grc_mode = tr32(GRC_MODE);
  9435. tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
  9436. tg3_disable_nvram_access(tp);
  9437. tg3_nvram_unlock(tp);
  9438. }
  9439. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  9440. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  9441. udelay(40);
  9442. }
  9443. return ret;
  9444. }
  9445. struct subsys_tbl_ent {
  9446. u16 subsys_vendor, subsys_devid;
  9447. u32 phy_id;
  9448. };
  9449. static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
  9450. /* Broadcom boards. */
  9451. { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
  9452. { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
  9453. { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
  9454. { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
  9455. { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
  9456. { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
  9457. { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
  9458. { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
  9459. { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
  9460. { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
  9461. { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
  9462. /* 3com boards. */
  9463. { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
  9464. { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
  9465. { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
  9466. { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
  9467. { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
  9468. /* DELL boards. */
  9469. { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
  9470. { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
  9471. { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
  9472. { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
  9473. /* Compaq boards. */
  9474. { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
  9475. { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
  9476. { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
  9477. { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
  9478. { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
  9479. /* IBM boards. */
  9480. { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
  9481. };
  9482. static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
  9483. {
  9484. int i;
  9485. for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
  9486. if ((subsys_id_to_phy_id[i].subsys_vendor ==
  9487. tp->pdev->subsystem_vendor) &&
  9488. (subsys_id_to_phy_id[i].subsys_devid ==
  9489. tp->pdev->subsystem_device))
  9490. return &subsys_id_to_phy_id[i];
  9491. }
  9492. return NULL;
  9493. }
  9494. static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
  9495. {
  9496. u32 val;
  9497. u16 pmcsr;
  9498. /* On some early chips the SRAM cannot be accessed in D3hot state,
  9499. * so need make sure we're in D0.
  9500. */
  9501. pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
  9502. pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
  9503. pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
  9504. msleep(1);
  9505. /* Make sure register accesses (indirect or otherwise)
  9506. * will function correctly.
  9507. */
  9508. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  9509. tp->misc_host_ctrl);
  9510. /* The memory arbiter has to be enabled in order for SRAM accesses
  9511. * to succeed. Normally on powerup the tg3 chip firmware will make
  9512. * sure it is enabled, but other entities such as system netboot
  9513. * code might disable it.
  9514. */
  9515. val = tr32(MEMARB_MODE);
  9516. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  9517. tp->phy_id = PHY_ID_INVALID;
  9518. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  9519. /* Assume an onboard device and WOL capable by default. */
  9520. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
  9521. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  9522. if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
  9523. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  9524. tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
  9525. }
  9526. val = tr32(VCPU_CFGSHDW);
  9527. if (val & VCPU_CFGSHDW_ASPM_DBNC)
  9528. tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
  9529. if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
  9530. (val & VCPU_CFGSHDW_WOL_MAGPKT) &&
  9531. device_may_wakeup(&tp->pdev->dev))
  9532. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  9533. return;
  9534. }
  9535. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  9536. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  9537. u32 nic_cfg, led_cfg;
  9538. u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
  9539. int eeprom_phy_serdes = 0;
  9540. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  9541. tp->nic_sram_data_cfg = nic_cfg;
  9542. tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
  9543. ver >>= NIC_SRAM_DATA_VER_SHIFT;
  9544. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  9545. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  9546. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
  9547. (ver > 0) && (ver < 0x100))
  9548. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
  9549. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  9550. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
  9551. if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
  9552. NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
  9553. eeprom_phy_serdes = 1;
  9554. tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
  9555. if (nic_phy_id != 0) {
  9556. u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
  9557. u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
  9558. eeprom_phy_id = (id1 >> 16) << 10;
  9559. eeprom_phy_id |= (id2 & 0xfc00) << 16;
  9560. eeprom_phy_id |= (id2 & 0x03ff) << 0;
  9561. } else
  9562. eeprom_phy_id = 0;
  9563. tp->phy_id = eeprom_phy_id;
  9564. if (eeprom_phy_serdes) {
  9565. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  9566. tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
  9567. else
  9568. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  9569. }
  9570. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  9571. led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
  9572. SHASTA_EXT_LED_MODE_MASK);
  9573. else
  9574. led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
  9575. switch (led_cfg) {
  9576. default:
  9577. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
  9578. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  9579. break;
  9580. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
  9581. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  9582. break;
  9583. case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
  9584. tp->led_ctrl = LED_CTRL_MODE_MAC;
  9585. /* Default to PHY_1_MODE if 0 (MAC_MODE) is
  9586. * read on some older 5700/5701 bootcode.
  9587. */
  9588. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  9589. ASIC_REV_5700 ||
  9590. GET_ASIC_REV(tp->pci_chip_rev_id) ==
  9591. ASIC_REV_5701)
  9592. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  9593. break;
  9594. case SHASTA_EXT_LED_SHARED:
  9595. tp->led_ctrl = LED_CTRL_MODE_SHARED;
  9596. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
  9597. tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
  9598. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  9599. LED_CTRL_MODE_PHY_2);
  9600. break;
  9601. case SHASTA_EXT_LED_MAC:
  9602. tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
  9603. break;
  9604. case SHASTA_EXT_LED_COMBO:
  9605. tp->led_ctrl = LED_CTRL_MODE_COMBO;
  9606. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
  9607. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  9608. LED_CTRL_MODE_PHY_2);
  9609. break;
  9610. }
  9611. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  9612. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
  9613. tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
  9614. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  9615. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
  9616. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  9617. if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
  9618. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  9619. if ((tp->pdev->subsystem_vendor ==
  9620. PCI_VENDOR_ID_ARIMA) &&
  9621. (tp->pdev->subsystem_device == 0x205a ||
  9622. tp->pdev->subsystem_device == 0x2063))
  9623. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  9624. } else {
  9625. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  9626. tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
  9627. }
  9628. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  9629. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  9630. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  9631. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  9632. }
  9633. if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
  9634. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  9635. tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
  9636. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
  9637. !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
  9638. tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
  9639. if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
  9640. (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE) &&
  9641. device_may_wakeup(&tp->pdev->dev))
  9642. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  9643. if (cfg2 & (1 << 17))
  9644. tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
  9645. /* serdes signal pre-emphasis in register 0x590 set by */
  9646. /* bootcode if bit 18 is set */
  9647. if (cfg2 & (1 << 18))
  9648. tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
  9649. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  9650. u32 cfg3;
  9651. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
  9652. if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
  9653. tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
  9654. }
  9655. if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
  9656. tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
  9657. if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
  9658. tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
  9659. if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
  9660. tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
  9661. }
  9662. }
  9663. static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
  9664. {
  9665. int i;
  9666. u32 val;
  9667. tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
  9668. tw32(OTP_CTRL, cmd);
  9669. /* Wait for up to 1 ms for command to execute. */
  9670. for (i = 0; i < 100; i++) {
  9671. val = tr32(OTP_STATUS);
  9672. if (val & OTP_STATUS_CMD_DONE)
  9673. break;
  9674. udelay(10);
  9675. }
  9676. return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
  9677. }
  9678. /* Read the gphy configuration from the OTP region of the chip. The gphy
  9679. * configuration is a 32-bit value that straddles the alignment boundary.
  9680. * We do two 32-bit reads and then shift and merge the results.
  9681. */
  9682. static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
  9683. {
  9684. u32 bhalf_otp, thalf_otp;
  9685. tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
  9686. if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
  9687. return 0;
  9688. tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
  9689. if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
  9690. return 0;
  9691. thalf_otp = tr32(OTP_READ_DATA);
  9692. tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
  9693. if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
  9694. return 0;
  9695. bhalf_otp = tr32(OTP_READ_DATA);
  9696. return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
  9697. }
  9698. static int __devinit tg3_phy_probe(struct tg3 *tp)
  9699. {
  9700. u32 hw_phy_id_1, hw_phy_id_2;
  9701. u32 hw_phy_id, hw_phy_id_masked;
  9702. int err;
  9703. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
  9704. return tg3_phy_init(tp);
  9705. /* Reading the PHY ID register can conflict with ASF
  9706. * firwmare access to the PHY hardware.
  9707. */
  9708. err = 0;
  9709. if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
  9710. (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
  9711. hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
  9712. } else {
  9713. /* Now read the physical PHY_ID from the chip and verify
  9714. * that it is sane. If it doesn't look good, we fall back
  9715. * to either the hard-coded table based PHY_ID and failing
  9716. * that the value found in the eeprom area.
  9717. */
  9718. err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
  9719. err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
  9720. hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
  9721. hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
  9722. hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
  9723. hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
  9724. }
  9725. if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
  9726. tp->phy_id = hw_phy_id;
  9727. if (hw_phy_id_masked == PHY_ID_BCM8002)
  9728. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  9729. else
  9730. tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
  9731. } else {
  9732. if (tp->phy_id != PHY_ID_INVALID) {
  9733. /* Do nothing, phy ID already set up in
  9734. * tg3_get_eeprom_hw_cfg().
  9735. */
  9736. } else {
  9737. struct subsys_tbl_ent *p;
  9738. /* No eeprom signature? Try the hardcoded
  9739. * subsys device table.
  9740. */
  9741. p = lookup_by_subsys(tp);
  9742. if (!p)
  9743. return -ENODEV;
  9744. tp->phy_id = p->phy_id;
  9745. if (!tp->phy_id ||
  9746. tp->phy_id == PHY_ID_BCM8002)
  9747. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  9748. }
  9749. }
  9750. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
  9751. !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
  9752. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  9753. u32 bmsr, adv_reg, tg3_ctrl, mask;
  9754. tg3_readphy(tp, MII_BMSR, &bmsr);
  9755. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  9756. (bmsr & BMSR_LSTATUS))
  9757. goto skip_phy_reset;
  9758. err = tg3_phy_reset(tp);
  9759. if (err)
  9760. return err;
  9761. adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  9762. ADVERTISE_100HALF | ADVERTISE_100FULL |
  9763. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  9764. tg3_ctrl = 0;
  9765. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  9766. tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
  9767. MII_TG3_CTRL_ADV_1000_FULL);
  9768. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  9769. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  9770. tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
  9771. MII_TG3_CTRL_ENABLE_AS_MASTER);
  9772. }
  9773. mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  9774. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  9775. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
  9776. if (!tg3_copper_is_advertising_all(tp, mask)) {
  9777. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  9778. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  9779. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  9780. tg3_writephy(tp, MII_BMCR,
  9781. BMCR_ANENABLE | BMCR_ANRESTART);
  9782. }
  9783. tg3_phy_set_wirespeed(tp);
  9784. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  9785. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  9786. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  9787. }
  9788. skip_phy_reset:
  9789. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  9790. err = tg3_init_5401phy_dsp(tp);
  9791. if (err)
  9792. return err;
  9793. }
  9794. if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
  9795. err = tg3_init_5401phy_dsp(tp);
  9796. }
  9797. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  9798. tp->link_config.advertising =
  9799. (ADVERTISED_1000baseT_Half |
  9800. ADVERTISED_1000baseT_Full |
  9801. ADVERTISED_Autoneg |
  9802. ADVERTISED_FIBRE);
  9803. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  9804. tp->link_config.advertising &=
  9805. ~(ADVERTISED_1000baseT_Half |
  9806. ADVERTISED_1000baseT_Full);
  9807. return err;
  9808. }
  9809. static void __devinit tg3_read_partno(struct tg3 *tp)
  9810. {
  9811. unsigned char vpd_data[256];
  9812. unsigned int i;
  9813. u32 magic;
  9814. if (tg3_nvram_read_swab(tp, 0x0, &magic))
  9815. goto out_not_found;
  9816. if (magic == TG3_EEPROM_MAGIC) {
  9817. for (i = 0; i < 256; i += 4) {
  9818. u32 tmp;
  9819. if (tg3_nvram_read(tp, 0x100 + i, &tmp))
  9820. goto out_not_found;
  9821. vpd_data[i + 0] = ((tmp >> 0) & 0xff);
  9822. vpd_data[i + 1] = ((tmp >> 8) & 0xff);
  9823. vpd_data[i + 2] = ((tmp >> 16) & 0xff);
  9824. vpd_data[i + 3] = ((tmp >> 24) & 0xff);
  9825. }
  9826. } else {
  9827. int vpd_cap;
  9828. vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
  9829. for (i = 0; i < 256; i += 4) {
  9830. u32 tmp, j = 0;
  9831. __le32 v;
  9832. u16 tmp16;
  9833. pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
  9834. i);
  9835. while (j++ < 100) {
  9836. pci_read_config_word(tp->pdev, vpd_cap +
  9837. PCI_VPD_ADDR, &tmp16);
  9838. if (tmp16 & 0x8000)
  9839. break;
  9840. msleep(1);
  9841. }
  9842. if (!(tmp16 & 0x8000))
  9843. goto out_not_found;
  9844. pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
  9845. &tmp);
  9846. v = cpu_to_le32(tmp);
  9847. memcpy(&vpd_data[i], &v, 4);
  9848. }
  9849. }
  9850. /* Now parse and find the part number. */
  9851. for (i = 0; i < 254; ) {
  9852. unsigned char val = vpd_data[i];
  9853. unsigned int block_end;
  9854. if (val == 0x82 || val == 0x91) {
  9855. i = (i + 3 +
  9856. (vpd_data[i + 1] +
  9857. (vpd_data[i + 2] << 8)));
  9858. continue;
  9859. }
  9860. if (val != 0x90)
  9861. goto out_not_found;
  9862. block_end = (i + 3 +
  9863. (vpd_data[i + 1] +
  9864. (vpd_data[i + 2] << 8)));
  9865. i += 3;
  9866. if (block_end > 256)
  9867. goto out_not_found;
  9868. while (i < (block_end - 2)) {
  9869. if (vpd_data[i + 0] == 'P' &&
  9870. vpd_data[i + 1] == 'N') {
  9871. int partno_len = vpd_data[i + 2];
  9872. i += 3;
  9873. if (partno_len > 24 || (partno_len + i) > 256)
  9874. goto out_not_found;
  9875. memcpy(tp->board_part_number,
  9876. &vpd_data[i], partno_len);
  9877. /* Success. */
  9878. return;
  9879. }
  9880. i += 3 + vpd_data[i + 2];
  9881. }
  9882. /* Part number not found. */
  9883. goto out_not_found;
  9884. }
  9885. out_not_found:
  9886. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  9887. strcpy(tp->board_part_number, "BCM95906");
  9888. else
  9889. strcpy(tp->board_part_number, "none");
  9890. }
  9891. static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
  9892. {
  9893. u32 val;
  9894. if (tg3_nvram_read_swab(tp, offset, &val) ||
  9895. (val & 0xfc000000) != 0x0c000000 ||
  9896. tg3_nvram_read_swab(tp, offset + 4, &val) ||
  9897. val != 0)
  9898. return 0;
  9899. return 1;
  9900. }
  9901. static void __devinit tg3_read_fw_ver(struct tg3 *tp)
  9902. {
  9903. u32 val, offset, start;
  9904. u32 ver_offset;
  9905. int i, bcnt;
  9906. if (tg3_nvram_read_swab(tp, 0, &val))
  9907. return;
  9908. if (val != TG3_EEPROM_MAGIC)
  9909. return;
  9910. if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
  9911. tg3_nvram_read_swab(tp, 0x4, &start))
  9912. return;
  9913. offset = tg3_nvram_logical_addr(tp, offset);
  9914. if (!tg3_fw_img_is_valid(tp, offset) ||
  9915. tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
  9916. return;
  9917. offset = offset + ver_offset - start;
  9918. for (i = 0; i < 16; i += 4) {
  9919. __le32 v;
  9920. if (tg3_nvram_read_le(tp, offset + i, &v))
  9921. return;
  9922. memcpy(tp->fw_ver + i, &v, 4);
  9923. }
  9924. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
  9925. (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
  9926. return;
  9927. for (offset = TG3_NVM_DIR_START;
  9928. offset < TG3_NVM_DIR_END;
  9929. offset += TG3_NVM_DIRENT_SIZE) {
  9930. if (tg3_nvram_read_swab(tp, offset, &val))
  9931. return;
  9932. if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
  9933. break;
  9934. }
  9935. if (offset == TG3_NVM_DIR_END)
  9936. return;
  9937. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  9938. start = 0x08000000;
  9939. else if (tg3_nvram_read_swab(tp, offset - 4, &start))
  9940. return;
  9941. if (tg3_nvram_read_swab(tp, offset + 4, &offset) ||
  9942. !tg3_fw_img_is_valid(tp, offset) ||
  9943. tg3_nvram_read_swab(tp, offset + 8, &val))
  9944. return;
  9945. offset += val - start;
  9946. bcnt = strlen(tp->fw_ver);
  9947. tp->fw_ver[bcnt++] = ',';
  9948. tp->fw_ver[bcnt++] = ' ';
  9949. for (i = 0; i < 4; i++) {
  9950. __le32 v;
  9951. if (tg3_nvram_read_le(tp, offset, &v))
  9952. return;
  9953. offset += sizeof(v);
  9954. if (bcnt > TG3_VER_SIZE - sizeof(v)) {
  9955. memcpy(&tp->fw_ver[bcnt], &v, TG3_VER_SIZE - bcnt);
  9956. break;
  9957. }
  9958. memcpy(&tp->fw_ver[bcnt], &v, sizeof(v));
  9959. bcnt += sizeof(v);
  9960. }
  9961. tp->fw_ver[TG3_VER_SIZE - 1] = 0;
  9962. }
  9963. static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
  9964. static int __devinit tg3_get_invariants(struct tg3 *tp)
  9965. {
  9966. static struct pci_device_id write_reorder_chipsets[] = {
  9967. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  9968. PCI_DEVICE_ID_AMD_FE_GATE_700C) },
  9969. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  9970. PCI_DEVICE_ID_AMD_8131_BRIDGE) },
  9971. { PCI_DEVICE(PCI_VENDOR_ID_VIA,
  9972. PCI_DEVICE_ID_VIA_8385_0) },
  9973. { },
  9974. };
  9975. u32 misc_ctrl_reg;
  9976. u32 cacheline_sz_reg;
  9977. u32 pci_state_reg, grc_misc_cfg;
  9978. u32 val;
  9979. u16 pci_cmd;
  9980. int err, pcie_cap;
  9981. /* Force memory write invalidate off. If we leave it on,
  9982. * then on 5700_BX chips we have to enable a workaround.
  9983. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
  9984. * to match the cacheline size. The Broadcom driver have this
  9985. * workaround but turns MWI off all the times so never uses
  9986. * it. This seems to suggest that the workaround is insufficient.
  9987. */
  9988. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  9989. pci_cmd &= ~PCI_COMMAND_INVALIDATE;
  9990. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  9991. /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
  9992. * has the register indirect write enable bit set before
  9993. * we try to access any of the MMIO registers. It is also
  9994. * critical that the PCI-X hw workaround situation is decided
  9995. * before that as well.
  9996. */
  9997. pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  9998. &misc_ctrl_reg);
  9999. tp->pci_chip_rev_id = (misc_ctrl_reg >>
  10000. MISC_HOST_CTRL_CHIPREV_SHIFT);
  10001. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
  10002. u32 prod_id_asic_rev;
  10003. pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
  10004. &prod_id_asic_rev);
  10005. tp->pci_chip_rev_id = prod_id_asic_rev & PROD_ID_ASIC_REV_MASK;
  10006. }
  10007. /* Wrong chip ID in 5752 A0. This code can be removed later
  10008. * as A0 is not in production.
  10009. */
  10010. if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
  10011. tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
  10012. /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
  10013. * we need to disable memory and use config. cycles
  10014. * only to access all registers. The 5702/03 chips
  10015. * can mistakenly decode the special cycles from the
  10016. * ICH chipsets as memory write cycles, causing corruption
  10017. * of register and memory space. Only certain ICH bridges
  10018. * will drive special cycles with non-zero data during the
  10019. * address phase which can fall within the 5703's address
  10020. * range. This is not an ICH bug as the PCI spec allows
  10021. * non-zero address during special cycles. However, only
  10022. * these ICH bridges are known to drive non-zero addresses
  10023. * during special cycles.
  10024. *
  10025. * Since special cycles do not cross PCI bridges, we only
  10026. * enable this workaround if the 5703 is on the secondary
  10027. * bus of these ICH bridges.
  10028. */
  10029. if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
  10030. (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
  10031. static struct tg3_dev_id {
  10032. u32 vendor;
  10033. u32 device;
  10034. u32 rev;
  10035. } ich_chipsets[] = {
  10036. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
  10037. PCI_ANY_ID },
  10038. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
  10039. PCI_ANY_ID },
  10040. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
  10041. 0xa },
  10042. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
  10043. PCI_ANY_ID },
  10044. { },
  10045. };
  10046. struct tg3_dev_id *pci_id = &ich_chipsets[0];
  10047. struct pci_dev *bridge = NULL;
  10048. while (pci_id->vendor != 0) {
  10049. bridge = pci_get_device(pci_id->vendor, pci_id->device,
  10050. bridge);
  10051. if (!bridge) {
  10052. pci_id++;
  10053. continue;
  10054. }
  10055. if (pci_id->rev != PCI_ANY_ID) {
  10056. if (bridge->revision > pci_id->rev)
  10057. continue;
  10058. }
  10059. if (bridge->subordinate &&
  10060. (bridge->subordinate->number ==
  10061. tp->pdev->bus->number)) {
  10062. tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
  10063. pci_dev_put(bridge);
  10064. break;
  10065. }
  10066. }
  10067. }
  10068. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  10069. static struct tg3_dev_id {
  10070. u32 vendor;
  10071. u32 device;
  10072. } bridge_chipsets[] = {
  10073. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
  10074. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
  10075. { },
  10076. };
  10077. struct tg3_dev_id *pci_id = &bridge_chipsets[0];
  10078. struct pci_dev *bridge = NULL;
  10079. while (pci_id->vendor != 0) {
  10080. bridge = pci_get_device(pci_id->vendor,
  10081. pci_id->device,
  10082. bridge);
  10083. if (!bridge) {
  10084. pci_id++;
  10085. continue;
  10086. }
  10087. if (bridge->subordinate &&
  10088. (bridge->subordinate->number <=
  10089. tp->pdev->bus->number) &&
  10090. (bridge->subordinate->subordinate >=
  10091. tp->pdev->bus->number)) {
  10092. tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
  10093. pci_dev_put(bridge);
  10094. break;
  10095. }
  10096. }
  10097. }
  10098. /* The EPB bridge inside 5714, 5715, and 5780 cannot support
  10099. * DMA addresses > 40-bit. This bridge may have other additional
  10100. * 57xx devices behind it in some 4-port NIC designs for example.
  10101. * Any tg3 device found behind the bridge will also need the 40-bit
  10102. * DMA workaround.
  10103. */
  10104. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
  10105. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  10106. tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
  10107. tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
  10108. tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
  10109. }
  10110. else {
  10111. struct pci_dev *bridge = NULL;
  10112. do {
  10113. bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
  10114. PCI_DEVICE_ID_SERVERWORKS_EPB,
  10115. bridge);
  10116. if (bridge && bridge->subordinate &&
  10117. (bridge->subordinate->number <=
  10118. tp->pdev->bus->number) &&
  10119. (bridge->subordinate->subordinate >=
  10120. tp->pdev->bus->number)) {
  10121. tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
  10122. pci_dev_put(bridge);
  10123. break;
  10124. }
  10125. } while (bridge);
  10126. }
  10127. /* Initialize misc host control in PCI block. */
  10128. tp->misc_host_ctrl |= (misc_ctrl_reg &
  10129. MISC_HOST_CTRL_CHIPREV);
  10130. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  10131. tp->misc_host_ctrl);
  10132. pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  10133. &cacheline_sz_reg);
  10134. tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
  10135. tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
  10136. tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
  10137. tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
  10138. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  10139. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
  10140. tp->pdev_peer = tg3_find_peer(tp);
  10141. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  10142. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  10143. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  10144. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  10145. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  10146. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  10147. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
  10148. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
  10149. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  10150. tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
  10151. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
  10152. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  10153. tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
  10154. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  10155. tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
  10156. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
  10157. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
  10158. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
  10159. tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
  10160. tp->pdev_peer == tp->pdev))
  10161. tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
  10162. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  10163. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  10164. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  10165. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  10166. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
  10167. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  10168. tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
  10169. tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
  10170. } else {
  10171. tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
  10172. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  10173. ASIC_REV_5750 &&
  10174. tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
  10175. tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
  10176. }
  10177. }
  10178. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
  10179. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  10180. tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
  10181. pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
  10182. if (pcie_cap != 0) {
  10183. tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
  10184. pcie_set_readrq(tp->pdev, 4096);
  10185. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  10186. u16 lnkctl;
  10187. pci_read_config_word(tp->pdev,
  10188. pcie_cap + PCI_EXP_LNKCTL,
  10189. &lnkctl);
  10190. if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
  10191. tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
  10192. }
  10193. }
  10194. /* If we have an AMD 762 or VIA K8T800 chipset, write
  10195. * reordering to the mailbox registers done by the host
  10196. * controller can cause major troubles. We read back from
  10197. * every mailbox register write to force the writes to be
  10198. * posted to the chip in order.
  10199. */
  10200. if (pci_dev_present(write_reorder_chipsets) &&
  10201. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  10202. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  10203. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  10204. tp->pci_lat_timer < 64) {
  10205. tp->pci_lat_timer = 64;
  10206. cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
  10207. cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
  10208. cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
  10209. cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
  10210. pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  10211. cacheline_sz_reg);
  10212. }
  10213. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
  10214. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  10215. tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
  10216. if (!tp->pcix_cap) {
  10217. printk(KERN_ERR PFX "Cannot find PCI-X "
  10218. "capability, aborting.\n");
  10219. return -EIO;
  10220. }
  10221. }
  10222. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  10223. &pci_state_reg);
  10224. if (tp->pcix_cap && (pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
  10225. tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
  10226. /* If this is a 5700 BX chipset, and we are in PCI-X
  10227. * mode, enable register write workaround.
  10228. *
  10229. * The workaround is to use indirect register accesses
  10230. * for all chip writes not to mailbox registers.
  10231. */
  10232. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
  10233. u32 pm_reg;
  10234. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  10235. /* The chip can have it's power management PCI config
  10236. * space registers clobbered due to this bug.
  10237. * So explicitly force the chip into D0 here.
  10238. */
  10239. pci_read_config_dword(tp->pdev,
  10240. tp->pm_cap + PCI_PM_CTRL,
  10241. &pm_reg);
  10242. pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
  10243. pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
  10244. pci_write_config_dword(tp->pdev,
  10245. tp->pm_cap + PCI_PM_CTRL,
  10246. pm_reg);
  10247. /* Also, force SERR#/PERR# in PCI command. */
  10248. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  10249. pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
  10250. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  10251. }
  10252. }
  10253. /* 5700 BX chips need to have their TX producer index mailboxes
  10254. * written twice to workaround a bug.
  10255. */
  10256. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
  10257. tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
  10258. if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
  10259. tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
  10260. if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
  10261. tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
  10262. /* Chip-specific fixup from Broadcom driver */
  10263. if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
  10264. (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
  10265. pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
  10266. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
  10267. }
  10268. /* Default fast path register access methods */
  10269. tp->read32 = tg3_read32;
  10270. tp->write32 = tg3_write32;
  10271. tp->read32_mbox = tg3_read32;
  10272. tp->write32_mbox = tg3_write32;
  10273. tp->write32_tx_mbox = tg3_write32;
  10274. tp->write32_rx_mbox = tg3_write32;
  10275. /* Various workaround register access methods */
  10276. if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
  10277. tp->write32 = tg3_write_indirect_reg32;
  10278. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  10279. ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  10280. tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
  10281. /*
  10282. * Back to back register writes can cause problems on these
  10283. * chips, the workaround is to read back all reg writes
  10284. * except those to mailbox regs.
  10285. *
  10286. * See tg3_write_indirect_reg32().
  10287. */
  10288. tp->write32 = tg3_write_flush_reg32;
  10289. }
  10290. if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
  10291. (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
  10292. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  10293. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  10294. tp->write32_rx_mbox = tg3_write_flush_reg32;
  10295. }
  10296. if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
  10297. tp->read32 = tg3_read_indirect_reg32;
  10298. tp->write32 = tg3_write_indirect_reg32;
  10299. tp->read32_mbox = tg3_read_indirect_mbox;
  10300. tp->write32_mbox = tg3_write_indirect_mbox;
  10301. tp->write32_tx_mbox = tg3_write_indirect_mbox;
  10302. tp->write32_rx_mbox = tg3_write_indirect_mbox;
  10303. iounmap(tp->regs);
  10304. tp->regs = NULL;
  10305. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  10306. pci_cmd &= ~PCI_COMMAND_MEMORY;
  10307. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  10308. }
  10309. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  10310. tp->read32_mbox = tg3_read32_mbox_5906;
  10311. tp->write32_mbox = tg3_write32_mbox_5906;
  10312. tp->write32_tx_mbox = tg3_write32_mbox_5906;
  10313. tp->write32_rx_mbox = tg3_write32_mbox_5906;
  10314. }
  10315. if (tp->write32 == tg3_write_indirect_reg32 ||
  10316. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  10317. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  10318. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
  10319. tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
  10320. /* Get eeprom hw config before calling tg3_set_power_state().
  10321. * In particular, the TG3_FLG2_IS_NIC flag must be
  10322. * determined before calling tg3_set_power_state() so that
  10323. * we know whether or not to switch out of Vaux power.
  10324. * When the flag is set, it means that GPIO1 is used for eeprom
  10325. * write protect and also implies that it is a LOM where GPIOs
  10326. * are not used to switch power.
  10327. */
  10328. tg3_get_eeprom_hw_cfg(tp);
  10329. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
  10330. /* Allow reads and writes to the
  10331. * APE register and memory space.
  10332. */
  10333. pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
  10334. PCISTATE_ALLOW_APE_SHMEM_WR;
  10335. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
  10336. pci_state_reg);
  10337. }
  10338. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  10339. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  10340. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  10341. tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
  10342. /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
  10343. * GPIO1 driven high will bring 5700's external PHY out of reset.
  10344. * It is also used as eeprom write protect on LOMs.
  10345. */
  10346. tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
  10347. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  10348. (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  10349. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  10350. GRC_LCLCTRL_GPIO_OUTPUT1);
  10351. /* Unused GPIO3 must be driven as output on 5752 because there
  10352. * are no pull-up resistors on unused GPIO pins.
  10353. */
  10354. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  10355. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  10356. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  10357. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
  10358. if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
  10359. /* Turn off the debug UART. */
  10360. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
  10361. if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
  10362. /* Keep VMain power. */
  10363. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
  10364. GRC_LCLCTRL_GPIO_OUTPUT0;
  10365. }
  10366. /* Force the chip into D0. */
  10367. err = tg3_set_power_state(tp, PCI_D0);
  10368. if (err) {
  10369. printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
  10370. pci_name(tp->pdev));
  10371. return err;
  10372. }
  10373. /* 5700 B0 chips do not support checksumming correctly due
  10374. * to hardware bugs.
  10375. */
  10376. if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
  10377. tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
  10378. /* Derive initial jumbo mode from MTU assigned in
  10379. * ether_setup() via the alloc_etherdev() call
  10380. */
  10381. if (tp->dev->mtu > ETH_DATA_LEN &&
  10382. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  10383. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  10384. /* Determine WakeOnLan speed to use. */
  10385. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  10386. tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  10387. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
  10388. tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
  10389. tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
  10390. } else {
  10391. tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
  10392. }
  10393. /* A few boards don't want Ethernet@WireSpeed phy feature */
  10394. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  10395. ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  10396. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
  10397. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
  10398. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
  10399. (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  10400. tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
  10401. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
  10402. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
  10403. tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
  10404. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
  10405. tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
  10406. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  10407. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  10408. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  10409. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  10410. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
  10411. if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
  10412. tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
  10413. tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
  10414. if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
  10415. tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
  10416. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906 &&
  10417. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
  10418. tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
  10419. }
  10420. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
  10421. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
  10422. tp->phy_otp = tg3_read_otp_phycfg(tp);
  10423. if (tp->phy_otp == 0)
  10424. tp->phy_otp = TG3_OTP_DEFAULT;
  10425. }
  10426. if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
  10427. tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
  10428. else
  10429. tp->mi_mode = MAC_MI_MODE_BASE;
  10430. tp->coalesce_mode = 0;
  10431. if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
  10432. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
  10433. tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
  10434. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  10435. tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
  10436. err = tg3_mdio_init(tp);
  10437. if (err)
  10438. return err;
  10439. /* Initialize data/descriptor byte/word swapping. */
  10440. val = tr32(GRC_MODE);
  10441. val &= GRC_MODE_HOST_STACKUP;
  10442. tw32(GRC_MODE, val | tp->grc_mode);
  10443. tg3_switch_clocks(tp);
  10444. /* Clear this out for sanity. */
  10445. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  10446. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  10447. &pci_state_reg);
  10448. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
  10449. (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
  10450. u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
  10451. if (chiprevid == CHIPREV_ID_5701_A0 ||
  10452. chiprevid == CHIPREV_ID_5701_B0 ||
  10453. chiprevid == CHIPREV_ID_5701_B2 ||
  10454. chiprevid == CHIPREV_ID_5701_B5) {
  10455. void __iomem *sram_base;
  10456. /* Write some dummy words into the SRAM status block
  10457. * area, see if it reads back correctly. If the return
  10458. * value is bad, force enable the PCIX workaround.
  10459. */
  10460. sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
  10461. writel(0x00000000, sram_base);
  10462. writel(0x00000000, sram_base + 4);
  10463. writel(0xffffffff, sram_base + 4);
  10464. if (readl(sram_base) != 0x00000000)
  10465. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  10466. }
  10467. }
  10468. udelay(50);
  10469. tg3_nvram_init(tp);
  10470. grc_misc_cfg = tr32(GRC_MISC_CFG);
  10471. grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
  10472. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  10473. (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
  10474. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
  10475. tp->tg3_flags2 |= TG3_FLG2_IS_5788;
  10476. if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  10477. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
  10478. tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
  10479. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  10480. tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
  10481. HOSTCC_MODE_CLRTICK_TXBD);
  10482. tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
  10483. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  10484. tp->misc_host_ctrl);
  10485. }
  10486. /* Preserve the APE MAC_MODE bits */
  10487. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
  10488. tp->mac_mode = tr32(MAC_MODE) |
  10489. MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
  10490. else
  10491. tp->mac_mode = TG3_DEF_MAC_MODE;
  10492. /* these are limited to 10/100 only */
  10493. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  10494. (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
  10495. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  10496. tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  10497. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
  10498. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
  10499. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
  10500. (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  10501. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
  10502. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
  10503. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
  10504. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  10505. tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
  10506. err = tg3_phy_probe(tp);
  10507. if (err) {
  10508. printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
  10509. pci_name(tp->pdev), err);
  10510. /* ... but do not return immediately ... */
  10511. tg3_mdio_fini(tp);
  10512. }
  10513. tg3_read_partno(tp);
  10514. tg3_read_fw_ver(tp);
  10515. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  10516. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  10517. } else {
  10518. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  10519. tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
  10520. else
  10521. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  10522. }
  10523. /* 5700 {AX,BX} chips have a broken status block link
  10524. * change bit implementation, so we must use the
  10525. * status register in those cases.
  10526. */
  10527. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  10528. tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
  10529. else
  10530. tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
  10531. /* The led_ctrl is set during tg3_phy_probe, here we might
  10532. * have to force the link status polling mechanism based
  10533. * upon subsystem IDs.
  10534. */
  10535. if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
  10536. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  10537. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  10538. tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
  10539. TG3_FLAG_USE_LINKCHG_REG);
  10540. }
  10541. /* For all SERDES we poll the MAC status register. */
  10542. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  10543. tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
  10544. else
  10545. tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
  10546. /* All chips before 5787 can get confused if TX buffers
  10547. * straddle the 4GB address boundary in some cases.
  10548. */
  10549. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  10550. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  10551. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  10552. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  10553. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
  10554. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  10555. tp->dev->hard_start_xmit = tg3_start_xmit;
  10556. else
  10557. tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
  10558. tp->rx_offset = 2;
  10559. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  10560. (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
  10561. tp->rx_offset = 0;
  10562. tp->rx_std_max_post = TG3_RX_RING_SIZE;
  10563. /* Increment the rx prod index on the rx std ring by at most
  10564. * 8 for these chips to workaround hw errata.
  10565. */
  10566. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  10567. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  10568. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  10569. tp->rx_std_max_post = 8;
  10570. if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
  10571. tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
  10572. PCIE_PWR_MGMT_L1_THRESH_MSK;
  10573. return err;
  10574. }
  10575. #ifdef CONFIG_SPARC
  10576. static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
  10577. {
  10578. struct net_device *dev = tp->dev;
  10579. struct pci_dev *pdev = tp->pdev;
  10580. struct device_node *dp = pci_device_to_OF_node(pdev);
  10581. const unsigned char *addr;
  10582. int len;
  10583. addr = of_get_property(dp, "local-mac-address", &len);
  10584. if (addr && len == 6) {
  10585. memcpy(dev->dev_addr, addr, 6);
  10586. memcpy(dev->perm_addr, dev->dev_addr, 6);
  10587. return 0;
  10588. }
  10589. return -ENODEV;
  10590. }
  10591. static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
  10592. {
  10593. struct net_device *dev = tp->dev;
  10594. memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
  10595. memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
  10596. return 0;
  10597. }
  10598. #endif
  10599. static int __devinit tg3_get_device_address(struct tg3 *tp)
  10600. {
  10601. struct net_device *dev = tp->dev;
  10602. u32 hi, lo, mac_offset;
  10603. int addr_ok = 0;
  10604. #ifdef CONFIG_SPARC
  10605. if (!tg3_get_macaddr_sparc(tp))
  10606. return 0;
  10607. #endif
  10608. mac_offset = 0x7c;
  10609. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  10610. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  10611. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  10612. mac_offset = 0xcc;
  10613. if (tg3_nvram_lock(tp))
  10614. tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
  10615. else
  10616. tg3_nvram_unlock(tp);
  10617. }
  10618. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  10619. mac_offset = 0x10;
  10620. /* First try to get it from MAC address mailbox. */
  10621. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
  10622. if ((hi >> 16) == 0x484b) {
  10623. dev->dev_addr[0] = (hi >> 8) & 0xff;
  10624. dev->dev_addr[1] = (hi >> 0) & 0xff;
  10625. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
  10626. dev->dev_addr[2] = (lo >> 24) & 0xff;
  10627. dev->dev_addr[3] = (lo >> 16) & 0xff;
  10628. dev->dev_addr[4] = (lo >> 8) & 0xff;
  10629. dev->dev_addr[5] = (lo >> 0) & 0xff;
  10630. /* Some old bootcode may report a 0 MAC address in SRAM */
  10631. addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
  10632. }
  10633. if (!addr_ok) {
  10634. /* Next, try NVRAM. */
  10635. if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
  10636. !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
  10637. dev->dev_addr[0] = ((hi >> 16) & 0xff);
  10638. dev->dev_addr[1] = ((hi >> 24) & 0xff);
  10639. dev->dev_addr[2] = ((lo >> 0) & 0xff);
  10640. dev->dev_addr[3] = ((lo >> 8) & 0xff);
  10641. dev->dev_addr[4] = ((lo >> 16) & 0xff);
  10642. dev->dev_addr[5] = ((lo >> 24) & 0xff);
  10643. }
  10644. /* Finally just fetch it out of the MAC control regs. */
  10645. else {
  10646. hi = tr32(MAC_ADDR_0_HIGH);
  10647. lo = tr32(MAC_ADDR_0_LOW);
  10648. dev->dev_addr[5] = lo & 0xff;
  10649. dev->dev_addr[4] = (lo >> 8) & 0xff;
  10650. dev->dev_addr[3] = (lo >> 16) & 0xff;
  10651. dev->dev_addr[2] = (lo >> 24) & 0xff;
  10652. dev->dev_addr[1] = hi & 0xff;
  10653. dev->dev_addr[0] = (hi >> 8) & 0xff;
  10654. }
  10655. }
  10656. if (!is_valid_ether_addr(&dev->dev_addr[0])) {
  10657. #ifdef CONFIG_SPARC
  10658. if (!tg3_get_default_macaddr_sparc(tp))
  10659. return 0;
  10660. #endif
  10661. return -EINVAL;
  10662. }
  10663. memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
  10664. return 0;
  10665. }
  10666. #define BOUNDARY_SINGLE_CACHELINE 1
  10667. #define BOUNDARY_MULTI_CACHELINE 2
  10668. static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
  10669. {
  10670. int cacheline_size;
  10671. u8 byte;
  10672. int goal;
  10673. pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
  10674. if (byte == 0)
  10675. cacheline_size = 1024;
  10676. else
  10677. cacheline_size = (int) byte * 4;
  10678. /* On 5703 and later chips, the boundary bits have no
  10679. * effect.
  10680. */
  10681. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  10682. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
  10683. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  10684. goto out;
  10685. #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
  10686. goal = BOUNDARY_MULTI_CACHELINE;
  10687. #else
  10688. #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
  10689. goal = BOUNDARY_SINGLE_CACHELINE;
  10690. #else
  10691. goal = 0;
  10692. #endif
  10693. #endif
  10694. if (!goal)
  10695. goto out;
  10696. /* PCI controllers on most RISC systems tend to disconnect
  10697. * when a device tries to burst across a cache-line boundary.
  10698. * Therefore, letting tg3 do so just wastes PCI bandwidth.
  10699. *
  10700. * Unfortunately, for PCI-E there are only limited
  10701. * write-side controls for this, and thus for reads
  10702. * we will still get the disconnects. We'll also waste
  10703. * these PCI cycles for both read and write for chips
  10704. * other than 5700 and 5701 which do not implement the
  10705. * boundary bits.
  10706. */
  10707. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  10708. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  10709. switch (cacheline_size) {
  10710. case 16:
  10711. case 32:
  10712. case 64:
  10713. case 128:
  10714. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10715. val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
  10716. DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
  10717. } else {
  10718. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  10719. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  10720. }
  10721. break;
  10722. case 256:
  10723. val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
  10724. DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
  10725. break;
  10726. default:
  10727. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  10728. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  10729. break;
  10730. }
  10731. } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  10732. switch (cacheline_size) {
  10733. case 16:
  10734. case 32:
  10735. case 64:
  10736. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10737. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  10738. val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
  10739. break;
  10740. }
  10741. /* fallthrough */
  10742. case 128:
  10743. default:
  10744. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  10745. val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
  10746. break;
  10747. }
  10748. } else {
  10749. switch (cacheline_size) {
  10750. case 16:
  10751. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10752. val |= (DMA_RWCTRL_READ_BNDRY_16 |
  10753. DMA_RWCTRL_WRITE_BNDRY_16);
  10754. break;
  10755. }
  10756. /* fallthrough */
  10757. case 32:
  10758. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10759. val |= (DMA_RWCTRL_READ_BNDRY_32 |
  10760. DMA_RWCTRL_WRITE_BNDRY_32);
  10761. break;
  10762. }
  10763. /* fallthrough */
  10764. case 64:
  10765. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10766. val |= (DMA_RWCTRL_READ_BNDRY_64 |
  10767. DMA_RWCTRL_WRITE_BNDRY_64);
  10768. break;
  10769. }
  10770. /* fallthrough */
  10771. case 128:
  10772. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  10773. val |= (DMA_RWCTRL_READ_BNDRY_128 |
  10774. DMA_RWCTRL_WRITE_BNDRY_128);
  10775. break;
  10776. }
  10777. /* fallthrough */
  10778. case 256:
  10779. val |= (DMA_RWCTRL_READ_BNDRY_256 |
  10780. DMA_RWCTRL_WRITE_BNDRY_256);
  10781. break;
  10782. case 512:
  10783. val |= (DMA_RWCTRL_READ_BNDRY_512 |
  10784. DMA_RWCTRL_WRITE_BNDRY_512);
  10785. break;
  10786. case 1024:
  10787. default:
  10788. val |= (DMA_RWCTRL_READ_BNDRY_1024 |
  10789. DMA_RWCTRL_WRITE_BNDRY_1024);
  10790. break;
  10791. }
  10792. }
  10793. out:
  10794. return val;
  10795. }
  10796. static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
  10797. {
  10798. struct tg3_internal_buffer_desc test_desc;
  10799. u32 sram_dma_descs;
  10800. int i, ret;
  10801. sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
  10802. tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
  10803. tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
  10804. tw32(RDMAC_STATUS, 0);
  10805. tw32(WDMAC_STATUS, 0);
  10806. tw32(BUFMGR_MODE, 0);
  10807. tw32(FTQ_RESET, 0);
  10808. test_desc.addr_hi = ((u64) buf_dma) >> 32;
  10809. test_desc.addr_lo = buf_dma & 0xffffffff;
  10810. test_desc.nic_mbuf = 0x00002100;
  10811. test_desc.len = size;
  10812. /*
  10813. * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
  10814. * the *second* time the tg3 driver was getting loaded after an
  10815. * initial scan.
  10816. *
  10817. * Broadcom tells me:
  10818. * ...the DMA engine is connected to the GRC block and a DMA
  10819. * reset may affect the GRC block in some unpredictable way...
  10820. * The behavior of resets to individual blocks has not been tested.
  10821. *
  10822. * Broadcom noted the GRC reset will also reset all sub-components.
  10823. */
  10824. if (to_device) {
  10825. test_desc.cqid_sqid = (13 << 8) | 2;
  10826. tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
  10827. udelay(40);
  10828. } else {
  10829. test_desc.cqid_sqid = (16 << 8) | 7;
  10830. tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
  10831. udelay(40);
  10832. }
  10833. test_desc.flags = 0x00000005;
  10834. for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
  10835. u32 val;
  10836. val = *(((u32 *)&test_desc) + i);
  10837. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
  10838. sram_dma_descs + (i * sizeof(u32)));
  10839. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  10840. }
  10841. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  10842. if (to_device) {
  10843. tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
  10844. } else {
  10845. tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
  10846. }
  10847. ret = -ENODEV;
  10848. for (i = 0; i < 40; i++) {
  10849. u32 val;
  10850. if (to_device)
  10851. val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
  10852. else
  10853. val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
  10854. if ((val & 0xffff) == sram_dma_descs) {
  10855. ret = 0;
  10856. break;
  10857. }
  10858. udelay(100);
  10859. }
  10860. return ret;
  10861. }
  10862. #define TEST_BUFFER_SIZE 0x2000
  10863. static int __devinit tg3_test_dma(struct tg3 *tp)
  10864. {
  10865. dma_addr_t buf_dma;
  10866. u32 *buf, saved_dma_rwctrl;
  10867. int ret;
  10868. buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
  10869. if (!buf) {
  10870. ret = -ENOMEM;
  10871. goto out_nofree;
  10872. }
  10873. tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
  10874. (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
  10875. tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
  10876. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  10877. /* DMA read watermark not used on PCIE */
  10878. tp->dma_rwctrl |= 0x00180000;
  10879. } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  10880. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
  10881. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
  10882. tp->dma_rwctrl |= 0x003f0000;
  10883. else
  10884. tp->dma_rwctrl |= 0x003f000f;
  10885. } else {
  10886. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  10887. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  10888. u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
  10889. u32 read_water = 0x7;
  10890. /* If the 5704 is behind the EPB bridge, we can
  10891. * do the less restrictive ONE_DMA workaround for
  10892. * better performance.
  10893. */
  10894. if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
  10895. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  10896. tp->dma_rwctrl |= 0x8000;
  10897. else if (ccval == 0x6 || ccval == 0x7)
  10898. tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
  10899. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
  10900. read_water = 4;
  10901. /* Set bit 23 to enable PCIX hw bug fix */
  10902. tp->dma_rwctrl |=
  10903. (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
  10904. (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
  10905. (1 << 23);
  10906. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  10907. /* 5780 always in PCIX mode */
  10908. tp->dma_rwctrl |= 0x00144000;
  10909. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  10910. /* 5714 always in PCIX mode */
  10911. tp->dma_rwctrl |= 0x00148000;
  10912. } else {
  10913. tp->dma_rwctrl |= 0x001b000f;
  10914. }
  10915. }
  10916. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  10917. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  10918. tp->dma_rwctrl &= 0xfffffff0;
  10919. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  10920. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  10921. /* Remove this if it causes problems for some boards. */
  10922. tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
  10923. /* On 5700/5701 chips, we need to set this bit.
  10924. * Otherwise the chip will issue cacheline transactions
  10925. * to streamable DMA memory with not all the byte
  10926. * enables turned on. This is an error on several
  10927. * RISC PCI controllers, in particular sparc64.
  10928. *
  10929. * On 5703/5704 chips, this bit has been reassigned
  10930. * a different meaning. In particular, it is used
  10931. * on those chips to enable a PCI-X workaround.
  10932. */
  10933. tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
  10934. }
  10935. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  10936. #if 0
  10937. /* Unneeded, already done by tg3_get_invariants. */
  10938. tg3_switch_clocks(tp);
  10939. #endif
  10940. ret = 0;
  10941. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  10942. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  10943. goto out;
  10944. /* It is best to perform DMA test with maximum write burst size
  10945. * to expose the 5700/5701 write DMA bug.
  10946. */
  10947. saved_dma_rwctrl = tp->dma_rwctrl;
  10948. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  10949. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  10950. while (1) {
  10951. u32 *p = buf, i;
  10952. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
  10953. p[i] = i;
  10954. /* Send the buffer to the chip. */
  10955. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
  10956. if (ret) {
  10957. printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
  10958. break;
  10959. }
  10960. #if 0
  10961. /* validate data reached card RAM correctly. */
  10962. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  10963. u32 val;
  10964. tg3_read_mem(tp, 0x2100 + (i*4), &val);
  10965. if (le32_to_cpu(val) != p[i]) {
  10966. printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
  10967. /* ret = -ENODEV here? */
  10968. }
  10969. p[i] = 0;
  10970. }
  10971. #endif
  10972. /* Now read it back. */
  10973. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
  10974. if (ret) {
  10975. printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
  10976. break;
  10977. }
  10978. /* Verify it. */
  10979. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  10980. if (p[i] == i)
  10981. continue;
  10982. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  10983. DMA_RWCTRL_WRITE_BNDRY_16) {
  10984. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  10985. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  10986. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  10987. break;
  10988. } else {
  10989. printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
  10990. ret = -ENODEV;
  10991. goto out;
  10992. }
  10993. }
  10994. if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
  10995. /* Success. */
  10996. ret = 0;
  10997. break;
  10998. }
  10999. }
  11000. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  11001. DMA_RWCTRL_WRITE_BNDRY_16) {
  11002. static struct pci_device_id dma_wait_state_chipsets[] = {
  11003. { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
  11004. PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
  11005. { },
  11006. };
  11007. /* DMA test passed without adjusting DMA boundary,
  11008. * now look for chipsets that are known to expose the
  11009. * DMA bug without failing the test.
  11010. */
  11011. if (pci_dev_present(dma_wait_state_chipsets)) {
  11012. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  11013. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  11014. }
  11015. else
  11016. /* Safe to use the calculated DMA boundary. */
  11017. tp->dma_rwctrl = saved_dma_rwctrl;
  11018. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  11019. }
  11020. out:
  11021. pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
  11022. out_nofree:
  11023. return ret;
  11024. }
  11025. static void __devinit tg3_init_link_config(struct tg3 *tp)
  11026. {
  11027. tp->link_config.advertising =
  11028. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  11029. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  11030. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  11031. ADVERTISED_Autoneg | ADVERTISED_MII);
  11032. tp->link_config.speed = SPEED_INVALID;
  11033. tp->link_config.duplex = DUPLEX_INVALID;
  11034. tp->link_config.autoneg = AUTONEG_ENABLE;
  11035. tp->link_config.active_speed = SPEED_INVALID;
  11036. tp->link_config.active_duplex = DUPLEX_INVALID;
  11037. tp->link_config.phy_is_low_power = 0;
  11038. tp->link_config.orig_speed = SPEED_INVALID;
  11039. tp->link_config.orig_duplex = DUPLEX_INVALID;
  11040. tp->link_config.orig_autoneg = AUTONEG_INVALID;
  11041. }
  11042. static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
  11043. {
  11044. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  11045. tp->bufmgr_config.mbuf_read_dma_low_water =
  11046. DEFAULT_MB_RDMA_LOW_WATER_5705;
  11047. tp->bufmgr_config.mbuf_mac_rx_low_water =
  11048. DEFAULT_MB_MACRX_LOW_WATER_5705;
  11049. tp->bufmgr_config.mbuf_high_water =
  11050. DEFAULT_MB_HIGH_WATER_5705;
  11051. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  11052. tp->bufmgr_config.mbuf_mac_rx_low_water =
  11053. DEFAULT_MB_MACRX_LOW_WATER_5906;
  11054. tp->bufmgr_config.mbuf_high_water =
  11055. DEFAULT_MB_HIGH_WATER_5906;
  11056. }
  11057. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  11058. DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
  11059. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  11060. DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
  11061. tp->bufmgr_config.mbuf_high_water_jumbo =
  11062. DEFAULT_MB_HIGH_WATER_JUMBO_5780;
  11063. } else {
  11064. tp->bufmgr_config.mbuf_read_dma_low_water =
  11065. DEFAULT_MB_RDMA_LOW_WATER;
  11066. tp->bufmgr_config.mbuf_mac_rx_low_water =
  11067. DEFAULT_MB_MACRX_LOW_WATER;
  11068. tp->bufmgr_config.mbuf_high_water =
  11069. DEFAULT_MB_HIGH_WATER;
  11070. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  11071. DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
  11072. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  11073. DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
  11074. tp->bufmgr_config.mbuf_high_water_jumbo =
  11075. DEFAULT_MB_HIGH_WATER_JUMBO;
  11076. }
  11077. tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
  11078. tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
  11079. }
  11080. static char * __devinit tg3_phy_string(struct tg3 *tp)
  11081. {
  11082. switch (tp->phy_id & PHY_ID_MASK) {
  11083. case PHY_ID_BCM5400: return "5400";
  11084. case PHY_ID_BCM5401: return "5401";
  11085. case PHY_ID_BCM5411: return "5411";
  11086. case PHY_ID_BCM5701: return "5701";
  11087. case PHY_ID_BCM5703: return "5703";
  11088. case PHY_ID_BCM5704: return "5704";
  11089. case PHY_ID_BCM5705: return "5705";
  11090. case PHY_ID_BCM5750: return "5750";
  11091. case PHY_ID_BCM5752: return "5752";
  11092. case PHY_ID_BCM5714: return "5714";
  11093. case PHY_ID_BCM5780: return "5780";
  11094. case PHY_ID_BCM5755: return "5755";
  11095. case PHY_ID_BCM5787: return "5787";
  11096. case PHY_ID_BCM5784: return "5784";
  11097. case PHY_ID_BCM5756: return "5722/5756";
  11098. case PHY_ID_BCM5906: return "5906";
  11099. case PHY_ID_BCM5761: return "5761";
  11100. case PHY_ID_BCM8002: return "8002/serdes";
  11101. case 0: return "serdes";
  11102. default: return "unknown";
  11103. }
  11104. }
  11105. static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
  11106. {
  11107. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  11108. strcpy(str, "PCI Express");
  11109. return str;
  11110. } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
  11111. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
  11112. strcpy(str, "PCIX:");
  11113. if ((clock_ctrl == 7) ||
  11114. ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
  11115. GRC_MISC_CFG_BOARD_ID_5704CIOBE))
  11116. strcat(str, "133MHz");
  11117. else if (clock_ctrl == 0)
  11118. strcat(str, "33MHz");
  11119. else if (clock_ctrl == 2)
  11120. strcat(str, "50MHz");
  11121. else if (clock_ctrl == 4)
  11122. strcat(str, "66MHz");
  11123. else if (clock_ctrl == 6)
  11124. strcat(str, "100MHz");
  11125. } else {
  11126. strcpy(str, "PCI:");
  11127. if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
  11128. strcat(str, "66MHz");
  11129. else
  11130. strcat(str, "33MHz");
  11131. }
  11132. if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
  11133. strcat(str, ":32-bit");
  11134. else
  11135. strcat(str, ":64-bit");
  11136. return str;
  11137. }
  11138. static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
  11139. {
  11140. struct pci_dev *peer;
  11141. unsigned int func, devnr = tp->pdev->devfn & ~7;
  11142. for (func = 0; func < 8; func++) {
  11143. peer = pci_get_slot(tp->pdev->bus, devnr | func);
  11144. if (peer && peer != tp->pdev)
  11145. break;
  11146. pci_dev_put(peer);
  11147. }
  11148. /* 5704 can be configured in single-port mode, set peer to
  11149. * tp->pdev in that case.
  11150. */
  11151. if (!peer) {
  11152. peer = tp->pdev;
  11153. return peer;
  11154. }
  11155. /*
  11156. * We don't need to keep the refcount elevated; there's no way
  11157. * to remove one half of this device without removing the other
  11158. */
  11159. pci_dev_put(peer);
  11160. return peer;
  11161. }
  11162. static void __devinit tg3_init_coal(struct tg3 *tp)
  11163. {
  11164. struct ethtool_coalesce *ec = &tp->coal;
  11165. memset(ec, 0, sizeof(*ec));
  11166. ec->cmd = ETHTOOL_GCOALESCE;
  11167. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
  11168. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
  11169. ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
  11170. ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
  11171. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
  11172. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
  11173. ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
  11174. ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
  11175. ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
  11176. if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
  11177. HOSTCC_MODE_CLRTICK_TXBD)) {
  11178. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
  11179. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
  11180. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
  11181. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
  11182. }
  11183. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  11184. ec->rx_coalesce_usecs_irq = 0;
  11185. ec->tx_coalesce_usecs_irq = 0;
  11186. ec->stats_block_coalesce_usecs = 0;
  11187. }
  11188. }
  11189. static int __devinit tg3_init_one(struct pci_dev *pdev,
  11190. const struct pci_device_id *ent)
  11191. {
  11192. static int tg3_version_printed = 0;
  11193. resource_size_t tg3reg_len;
  11194. struct net_device *dev;
  11195. struct tg3 *tp;
  11196. int err, pm_cap;
  11197. char str[40];
  11198. u64 dma_mask, persist_dma_mask;
  11199. if (tg3_version_printed++ == 0)
  11200. printk(KERN_INFO "%s", version);
  11201. err = pci_enable_device(pdev);
  11202. if (err) {
  11203. printk(KERN_ERR PFX "Cannot enable PCI device, "
  11204. "aborting.\n");
  11205. return err;
  11206. }
  11207. if (!(pci_resource_flags(pdev, BAR_0) & IORESOURCE_MEM)) {
  11208. printk(KERN_ERR PFX "Cannot find proper PCI device "
  11209. "base address, aborting.\n");
  11210. err = -ENODEV;
  11211. goto err_out_disable_pdev;
  11212. }
  11213. err = pci_request_regions(pdev, DRV_MODULE_NAME);
  11214. if (err) {
  11215. printk(KERN_ERR PFX "Cannot obtain PCI resources, "
  11216. "aborting.\n");
  11217. goto err_out_disable_pdev;
  11218. }
  11219. pci_set_master(pdev);
  11220. /* Find power-management capability. */
  11221. pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  11222. if (pm_cap == 0) {
  11223. printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
  11224. "aborting.\n");
  11225. err = -EIO;
  11226. goto err_out_free_res;
  11227. }
  11228. dev = alloc_etherdev(sizeof(*tp));
  11229. if (!dev) {
  11230. printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
  11231. err = -ENOMEM;
  11232. goto err_out_free_res;
  11233. }
  11234. SET_NETDEV_DEV(dev, &pdev->dev);
  11235. #if TG3_VLAN_TAG_USED
  11236. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  11237. dev->vlan_rx_register = tg3_vlan_rx_register;
  11238. #endif
  11239. tp = netdev_priv(dev);
  11240. tp->pdev = pdev;
  11241. tp->dev = dev;
  11242. tp->pm_cap = pm_cap;
  11243. tp->rx_mode = TG3_DEF_RX_MODE;
  11244. tp->tx_mode = TG3_DEF_TX_MODE;
  11245. if (tg3_debug > 0)
  11246. tp->msg_enable = tg3_debug;
  11247. else
  11248. tp->msg_enable = TG3_DEF_MSG_ENABLE;
  11249. /* The word/byte swap controls here control register access byte
  11250. * swapping. DMA data byte swapping is controlled in the GRC_MODE
  11251. * setting below.
  11252. */
  11253. tp->misc_host_ctrl =
  11254. MISC_HOST_CTRL_MASK_PCI_INT |
  11255. MISC_HOST_CTRL_WORD_SWAP |
  11256. MISC_HOST_CTRL_INDIR_ACCESS |
  11257. MISC_HOST_CTRL_PCISTATE_RW;
  11258. /* The NONFRM (non-frame) byte/word swap controls take effect
  11259. * on descriptor entries, anything which isn't packet data.
  11260. *
  11261. * The StrongARM chips on the board (one for tx, one for rx)
  11262. * are running in big-endian mode.
  11263. */
  11264. tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
  11265. GRC_MODE_WSWAP_NONFRM_DATA);
  11266. #ifdef __BIG_ENDIAN
  11267. tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
  11268. #endif
  11269. spin_lock_init(&tp->lock);
  11270. spin_lock_init(&tp->indirect_lock);
  11271. INIT_WORK(&tp->reset_task, tg3_reset_task);
  11272. dev->mem_start = pci_resource_start(pdev, BAR_0);
  11273. tg3reg_len = pci_resource_len(pdev, BAR_0);
  11274. dev->mem_end = dev->mem_start + tg3reg_len;
  11275. tp->regs = ioremap_nocache(dev->mem_start, tg3reg_len);
  11276. if (!tp->regs) {
  11277. printk(KERN_ERR PFX "Cannot map device registers, "
  11278. "aborting.\n");
  11279. err = -ENOMEM;
  11280. goto err_out_free_dev;
  11281. }
  11282. tg3_init_link_config(tp);
  11283. tp->rx_pending = TG3_DEF_RX_RING_PENDING;
  11284. tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
  11285. tp->tx_pending = TG3_DEF_TX_RING_PENDING;
  11286. dev->open = tg3_open;
  11287. dev->stop = tg3_close;
  11288. dev->get_stats = tg3_get_stats;
  11289. dev->set_multicast_list = tg3_set_rx_mode;
  11290. dev->set_mac_address = tg3_set_mac_addr;
  11291. dev->do_ioctl = tg3_ioctl;
  11292. dev->tx_timeout = tg3_tx_timeout;
  11293. netif_napi_add(dev, &tp->napi, tg3_poll, 64);
  11294. dev->ethtool_ops = &tg3_ethtool_ops;
  11295. dev->watchdog_timeo = TG3_TX_TIMEOUT;
  11296. dev->change_mtu = tg3_change_mtu;
  11297. dev->irq = pdev->irq;
  11298. #ifdef CONFIG_NET_POLL_CONTROLLER
  11299. dev->poll_controller = tg3_poll_controller;
  11300. #endif
  11301. err = tg3_get_invariants(tp);
  11302. if (err) {
  11303. printk(KERN_ERR PFX "Problem fetching invariants of chip, "
  11304. "aborting.\n");
  11305. goto err_out_iounmap;
  11306. }
  11307. /* The EPB bridge inside 5714, 5715, and 5780 and any
  11308. * device behind the EPB cannot support DMA addresses > 40-bit.
  11309. * On 64-bit systems with IOMMU, use 40-bit dma_mask.
  11310. * On 64-bit systems without IOMMU, use 64-bit dma_mask and
  11311. * do DMA address check in tg3_start_xmit().
  11312. */
  11313. if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
  11314. persist_dma_mask = dma_mask = DMA_32BIT_MASK;
  11315. else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
  11316. persist_dma_mask = dma_mask = DMA_40BIT_MASK;
  11317. #ifdef CONFIG_HIGHMEM
  11318. dma_mask = DMA_64BIT_MASK;
  11319. #endif
  11320. } else
  11321. persist_dma_mask = dma_mask = DMA_64BIT_MASK;
  11322. /* Configure DMA attributes. */
  11323. if (dma_mask > DMA_32BIT_MASK) {
  11324. err = pci_set_dma_mask(pdev, dma_mask);
  11325. if (!err) {
  11326. dev->features |= NETIF_F_HIGHDMA;
  11327. err = pci_set_consistent_dma_mask(pdev,
  11328. persist_dma_mask);
  11329. if (err < 0) {
  11330. printk(KERN_ERR PFX "Unable to obtain 64 bit "
  11331. "DMA for consistent allocations\n");
  11332. goto err_out_iounmap;
  11333. }
  11334. }
  11335. }
  11336. if (err || dma_mask == DMA_32BIT_MASK) {
  11337. err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
  11338. if (err) {
  11339. printk(KERN_ERR PFX "No usable DMA configuration, "
  11340. "aborting.\n");
  11341. goto err_out_iounmap;
  11342. }
  11343. }
  11344. tg3_init_bufmgr_config(tp);
  11345. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  11346. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  11347. }
  11348. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  11349. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  11350. tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
  11351. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
  11352. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  11353. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  11354. } else {
  11355. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
  11356. }
  11357. /* TSO is on by default on chips that support hardware TSO.
  11358. * Firmware TSO on older chips gives lower performance, so it
  11359. * is off by default, but can be enabled using ethtool.
  11360. */
  11361. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  11362. dev->features |= NETIF_F_TSO;
  11363. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
  11364. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
  11365. dev->features |= NETIF_F_TSO6;
  11366. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  11367. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
  11368. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
  11369. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  11370. dev->features |= NETIF_F_TSO_ECN;
  11371. }
  11372. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
  11373. !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
  11374. !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
  11375. tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
  11376. tp->rx_pending = 63;
  11377. }
  11378. err = tg3_get_device_address(tp);
  11379. if (err) {
  11380. printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
  11381. "aborting.\n");
  11382. goto err_out_iounmap;
  11383. }
  11384. if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
  11385. if (!(pci_resource_flags(pdev, BAR_2) & IORESOURCE_MEM)) {
  11386. printk(KERN_ERR PFX "Cannot find proper PCI device "
  11387. "base address for APE, aborting.\n");
  11388. err = -ENODEV;
  11389. goto err_out_iounmap;
  11390. }
  11391. tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
  11392. if (!tp->aperegs) {
  11393. printk(KERN_ERR PFX "Cannot map APE registers, "
  11394. "aborting.\n");
  11395. err = -ENOMEM;
  11396. goto err_out_iounmap;
  11397. }
  11398. tg3_ape_lock_init(tp);
  11399. }
  11400. /*
  11401. * Reset chip in case UNDI or EFI driver did not shutdown
  11402. * DMA self test will enable WDMAC and we'll see (spurious)
  11403. * pending DMA on the PCI bus at that point.
  11404. */
  11405. if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
  11406. (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  11407. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  11408. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  11409. }
  11410. err = tg3_test_dma(tp);
  11411. if (err) {
  11412. printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
  11413. goto err_out_apeunmap;
  11414. }
  11415. /* Tigon3 can do ipv4 only... and some chips have buggy
  11416. * checksumming.
  11417. */
  11418. if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
  11419. dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
  11420. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  11421. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  11422. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
  11423. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
  11424. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
  11425. dev->features |= NETIF_F_IPV6_CSUM;
  11426. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  11427. } else
  11428. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  11429. /* flow control autonegotiation is default behavior */
  11430. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  11431. tp->link_config.flowctrl = TG3_FLOW_CTRL_TX | TG3_FLOW_CTRL_RX;
  11432. tg3_init_coal(tp);
  11433. pci_set_drvdata(pdev, dev);
  11434. err = register_netdev(dev);
  11435. if (err) {
  11436. printk(KERN_ERR PFX "Cannot register net device, "
  11437. "aborting.\n");
  11438. goto err_out_apeunmap;
  11439. }
  11440. printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
  11441. dev->name,
  11442. tp->board_part_number,
  11443. tp->pci_chip_rev_id,
  11444. tg3_bus_string(tp, str),
  11445. dev->dev_addr);
  11446. if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
  11447. printk(KERN_INFO
  11448. "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
  11449. tp->dev->name,
  11450. tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
  11451. tp->mdio_bus->phy_map[PHY_ADDR]->dev.bus_id);
  11452. else
  11453. printk(KERN_INFO
  11454. "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
  11455. tp->dev->name, tg3_phy_string(tp),
  11456. ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
  11457. ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
  11458. "10/100/1000Base-T")),
  11459. (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
  11460. printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
  11461. dev->name,
  11462. (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
  11463. (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
  11464. (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
  11465. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
  11466. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
  11467. printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
  11468. dev->name, tp->dma_rwctrl,
  11469. (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
  11470. (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
  11471. return 0;
  11472. err_out_apeunmap:
  11473. if (tp->aperegs) {
  11474. iounmap(tp->aperegs);
  11475. tp->aperegs = NULL;
  11476. }
  11477. err_out_iounmap:
  11478. if (tp->regs) {
  11479. iounmap(tp->regs);
  11480. tp->regs = NULL;
  11481. }
  11482. err_out_free_dev:
  11483. free_netdev(dev);
  11484. err_out_free_res:
  11485. pci_release_regions(pdev);
  11486. err_out_disable_pdev:
  11487. pci_disable_device(pdev);
  11488. pci_set_drvdata(pdev, NULL);
  11489. return err;
  11490. }
  11491. static void __devexit tg3_remove_one(struct pci_dev *pdev)
  11492. {
  11493. struct net_device *dev = pci_get_drvdata(pdev);
  11494. if (dev) {
  11495. struct tg3 *tp = netdev_priv(dev);
  11496. flush_scheduled_work();
  11497. if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
  11498. tg3_phy_fini(tp);
  11499. tg3_mdio_fini(tp);
  11500. }
  11501. unregister_netdev(dev);
  11502. if (tp->aperegs) {
  11503. iounmap(tp->aperegs);
  11504. tp->aperegs = NULL;
  11505. }
  11506. if (tp->regs) {
  11507. iounmap(tp->regs);
  11508. tp->regs = NULL;
  11509. }
  11510. free_netdev(dev);
  11511. pci_release_regions(pdev);
  11512. pci_disable_device(pdev);
  11513. pci_set_drvdata(pdev, NULL);
  11514. }
  11515. }
  11516. static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
  11517. {
  11518. struct net_device *dev = pci_get_drvdata(pdev);
  11519. struct tg3 *tp = netdev_priv(dev);
  11520. pci_power_t target_state;
  11521. int err;
  11522. /* PCI register 4 needs to be saved whether netif_running() or not.
  11523. * MSI address and data need to be saved if using MSI and
  11524. * netif_running().
  11525. */
  11526. pci_save_state(pdev);
  11527. if (!netif_running(dev))
  11528. return 0;
  11529. flush_scheduled_work();
  11530. tg3_phy_stop(tp);
  11531. tg3_netif_stop(tp);
  11532. del_timer_sync(&tp->timer);
  11533. tg3_full_lock(tp, 1);
  11534. tg3_disable_ints(tp);
  11535. tg3_full_unlock(tp);
  11536. netif_device_detach(dev);
  11537. tg3_full_lock(tp, 0);
  11538. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  11539. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  11540. tg3_full_unlock(tp);
  11541. target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
  11542. err = tg3_set_power_state(tp, target_state);
  11543. if (err) {
  11544. int err2;
  11545. tg3_full_lock(tp, 0);
  11546. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  11547. err2 = tg3_restart_hw(tp, 1);
  11548. if (err2)
  11549. goto out;
  11550. tp->timer.expires = jiffies + tp->timer_offset;
  11551. add_timer(&tp->timer);
  11552. netif_device_attach(dev);
  11553. tg3_netif_start(tp);
  11554. out:
  11555. tg3_full_unlock(tp);
  11556. if (!err2)
  11557. tg3_phy_start(tp);
  11558. }
  11559. return err;
  11560. }
  11561. static int tg3_resume(struct pci_dev *pdev)
  11562. {
  11563. struct net_device *dev = pci_get_drvdata(pdev);
  11564. struct tg3 *tp = netdev_priv(dev);
  11565. int err;
  11566. pci_restore_state(tp->pdev);
  11567. if (!netif_running(dev))
  11568. return 0;
  11569. err = tg3_set_power_state(tp, PCI_D0);
  11570. if (err)
  11571. return err;
  11572. netif_device_attach(dev);
  11573. tg3_full_lock(tp, 0);
  11574. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  11575. err = tg3_restart_hw(tp, 1);
  11576. if (err)
  11577. goto out;
  11578. tp->timer.expires = jiffies + tp->timer_offset;
  11579. add_timer(&tp->timer);
  11580. tg3_netif_start(tp);
  11581. out:
  11582. tg3_full_unlock(tp);
  11583. if (!err)
  11584. tg3_phy_start(tp);
  11585. return err;
  11586. }
  11587. static struct pci_driver tg3_driver = {
  11588. .name = DRV_MODULE_NAME,
  11589. .id_table = tg3_pci_tbl,
  11590. .probe = tg3_init_one,
  11591. .remove = __devexit_p(tg3_remove_one),
  11592. .suspend = tg3_suspend,
  11593. .resume = tg3_resume
  11594. };
  11595. static int __init tg3_init(void)
  11596. {
  11597. return pci_register_driver(&tg3_driver);
  11598. }
  11599. static void __exit tg3_cleanup(void)
  11600. {
  11601. pci_unregister_driver(&tg3_driver);
  11602. }
  11603. module_init(tg3_init);
  11604. module_exit(tg3_cleanup);