tg3.c 346 KB

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  1. /*
  2. * tg3.c: Broadcom Tigon3 ethernet driver.
  3. *
  4. * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
  5. * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
  6. * Copyright (C) 2004 Sun Microsystems Inc.
  7. * Copyright (C) 2005 Broadcom Corporation.
  8. *
  9. * Firmware is:
  10. * Derived from proprietary unpublished source code,
  11. * Copyright (C) 2000-2003 Broadcom Corporation.
  12. *
  13. * Permission is hereby granted for the distribution of this firmware
  14. * data in hexadecimal or equivalent format, provided this copyright
  15. * notice is accompanying it.
  16. */
  17. #include <linux/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/if_vlan.h>
  34. #include <linux/ip.h>
  35. #include <linux/tcp.h>
  36. #include <linux/workqueue.h>
  37. #include <linux/prefetch.h>
  38. #include <linux/dma-mapping.h>
  39. #include <net/checksum.h>
  40. #include <asm/system.h>
  41. #include <asm/io.h>
  42. #include <asm/byteorder.h>
  43. #include <asm/uaccess.h>
  44. #ifdef CONFIG_SPARC64
  45. #include <asm/idprom.h>
  46. #include <asm/oplib.h>
  47. #include <asm/pbm.h>
  48. #endif
  49. #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  50. #define TG3_VLAN_TAG_USED 1
  51. #else
  52. #define TG3_VLAN_TAG_USED 0
  53. #endif
  54. #ifdef NETIF_F_TSO
  55. #define TG3_TSO_SUPPORT 1
  56. #else
  57. #define TG3_TSO_SUPPORT 0
  58. #endif
  59. #include "tg3.h"
  60. #define DRV_MODULE_NAME "tg3"
  61. #define PFX DRV_MODULE_NAME ": "
  62. #define DRV_MODULE_VERSION "3.70"
  63. #define DRV_MODULE_RELDATE "December 1, 2006"
  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_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
  182. {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
  183. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
  184. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
  185. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
  186. {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
  187. {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
  188. {}
  189. };
  190. MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
  191. static const struct {
  192. const char string[ETH_GSTRING_LEN];
  193. } ethtool_stats_keys[TG3_NUM_STATS] = {
  194. { "rx_octets" },
  195. { "rx_fragments" },
  196. { "rx_ucast_packets" },
  197. { "rx_mcast_packets" },
  198. { "rx_bcast_packets" },
  199. { "rx_fcs_errors" },
  200. { "rx_align_errors" },
  201. { "rx_xon_pause_rcvd" },
  202. { "rx_xoff_pause_rcvd" },
  203. { "rx_mac_ctrl_rcvd" },
  204. { "rx_xoff_entered" },
  205. { "rx_frame_too_long_errors" },
  206. { "rx_jabbers" },
  207. { "rx_undersize_packets" },
  208. { "rx_in_length_errors" },
  209. { "rx_out_length_errors" },
  210. { "rx_64_or_less_octet_packets" },
  211. { "rx_65_to_127_octet_packets" },
  212. { "rx_128_to_255_octet_packets" },
  213. { "rx_256_to_511_octet_packets" },
  214. { "rx_512_to_1023_octet_packets" },
  215. { "rx_1024_to_1522_octet_packets" },
  216. { "rx_1523_to_2047_octet_packets" },
  217. { "rx_2048_to_4095_octet_packets" },
  218. { "rx_4096_to_8191_octet_packets" },
  219. { "rx_8192_to_9022_octet_packets" },
  220. { "tx_octets" },
  221. { "tx_collisions" },
  222. { "tx_xon_sent" },
  223. { "tx_xoff_sent" },
  224. { "tx_flow_control" },
  225. { "tx_mac_errors" },
  226. { "tx_single_collisions" },
  227. { "tx_mult_collisions" },
  228. { "tx_deferred" },
  229. { "tx_excessive_collisions" },
  230. { "tx_late_collisions" },
  231. { "tx_collide_2times" },
  232. { "tx_collide_3times" },
  233. { "tx_collide_4times" },
  234. { "tx_collide_5times" },
  235. { "tx_collide_6times" },
  236. { "tx_collide_7times" },
  237. { "tx_collide_8times" },
  238. { "tx_collide_9times" },
  239. { "tx_collide_10times" },
  240. { "tx_collide_11times" },
  241. { "tx_collide_12times" },
  242. { "tx_collide_13times" },
  243. { "tx_collide_14times" },
  244. { "tx_collide_15times" },
  245. { "tx_ucast_packets" },
  246. { "tx_mcast_packets" },
  247. { "tx_bcast_packets" },
  248. { "tx_carrier_sense_errors" },
  249. { "tx_discards" },
  250. { "tx_errors" },
  251. { "dma_writeq_full" },
  252. { "dma_write_prioq_full" },
  253. { "rxbds_empty" },
  254. { "rx_discards" },
  255. { "rx_errors" },
  256. { "rx_threshold_hit" },
  257. { "dma_readq_full" },
  258. { "dma_read_prioq_full" },
  259. { "tx_comp_queue_full" },
  260. { "ring_set_send_prod_index" },
  261. { "ring_status_update" },
  262. { "nic_irqs" },
  263. { "nic_avoided_irqs" },
  264. { "nic_tx_threshold_hit" }
  265. };
  266. static const struct {
  267. const char string[ETH_GSTRING_LEN];
  268. } ethtool_test_keys[TG3_NUM_TEST] = {
  269. { "nvram test (online) " },
  270. { "link test (online) " },
  271. { "register test (offline)" },
  272. { "memory test (offline)" },
  273. { "loopback test (offline)" },
  274. { "interrupt test (offline)" },
  275. };
  276. static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
  277. {
  278. writel(val, tp->regs + off);
  279. }
  280. static u32 tg3_read32(struct tg3 *tp, u32 off)
  281. {
  282. return (readl(tp->regs + off));
  283. }
  284. static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
  285. {
  286. unsigned long flags;
  287. spin_lock_irqsave(&tp->indirect_lock, flags);
  288. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  289. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  290. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  291. }
  292. static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
  293. {
  294. writel(val, tp->regs + off);
  295. readl(tp->regs + off);
  296. }
  297. static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
  298. {
  299. unsigned long flags;
  300. u32 val;
  301. spin_lock_irqsave(&tp->indirect_lock, flags);
  302. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
  303. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  304. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  305. return val;
  306. }
  307. static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
  308. {
  309. unsigned long flags;
  310. if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
  311. pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
  312. TG3_64BIT_REG_LOW, val);
  313. return;
  314. }
  315. if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
  316. pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
  317. TG3_64BIT_REG_LOW, val);
  318. return;
  319. }
  320. spin_lock_irqsave(&tp->indirect_lock, flags);
  321. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  322. pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
  323. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  324. /* In indirect mode when disabling interrupts, we also need
  325. * to clear the interrupt bit in the GRC local ctrl register.
  326. */
  327. if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
  328. (val == 0x1)) {
  329. pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
  330. tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
  331. }
  332. }
  333. static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
  334. {
  335. unsigned long flags;
  336. u32 val;
  337. spin_lock_irqsave(&tp->indirect_lock, flags);
  338. pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
  339. pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
  340. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  341. return val;
  342. }
  343. /* usec_wait specifies the wait time in usec when writing to certain registers
  344. * where it is unsafe to read back the register without some delay.
  345. * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
  346. * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
  347. */
  348. static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
  349. {
  350. if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
  351. (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  352. /* Non-posted methods */
  353. tp->write32(tp, off, val);
  354. else {
  355. /* Posted method */
  356. tg3_write32(tp, off, val);
  357. if (usec_wait)
  358. udelay(usec_wait);
  359. tp->read32(tp, off);
  360. }
  361. /* Wait again after the read for the posted method to guarantee that
  362. * the wait time is met.
  363. */
  364. if (usec_wait)
  365. udelay(usec_wait);
  366. }
  367. static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
  368. {
  369. tp->write32_mbox(tp, off, val);
  370. if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
  371. !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
  372. tp->read32_mbox(tp, off);
  373. }
  374. static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
  375. {
  376. void __iomem *mbox = tp->regs + off;
  377. writel(val, mbox);
  378. if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
  379. writel(val, mbox);
  380. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  381. readl(mbox);
  382. }
  383. static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
  384. {
  385. return (readl(tp->regs + off + GRCMBOX_BASE));
  386. }
  387. static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
  388. {
  389. writel(val, tp->regs + off + GRCMBOX_BASE);
  390. }
  391. #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
  392. #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
  393. #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
  394. #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
  395. #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
  396. #define tw32(reg,val) tp->write32(tp, reg, val)
  397. #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
  398. #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
  399. #define tr32(reg) tp->read32(tp, reg)
  400. static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
  401. {
  402. unsigned long flags;
  403. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
  404. (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
  405. return;
  406. spin_lock_irqsave(&tp->indirect_lock, flags);
  407. if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
  408. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  409. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  410. /* Always leave this as zero. */
  411. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  412. } else {
  413. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
  414. tw32_f(TG3PCI_MEM_WIN_DATA, val);
  415. /* Always leave this as zero. */
  416. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  417. }
  418. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  419. }
  420. static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
  421. {
  422. unsigned long flags;
  423. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
  424. (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
  425. *val = 0;
  426. return;
  427. }
  428. spin_lock_irqsave(&tp->indirect_lock, flags);
  429. if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
  430. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
  431. pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  432. /* Always leave this as zero. */
  433. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  434. } else {
  435. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
  436. *val = tr32(TG3PCI_MEM_WIN_DATA);
  437. /* Always leave this as zero. */
  438. tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  439. }
  440. spin_unlock_irqrestore(&tp->indirect_lock, flags);
  441. }
  442. static void tg3_disable_ints(struct tg3 *tp)
  443. {
  444. tw32(TG3PCI_MISC_HOST_CTRL,
  445. (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
  446. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  447. }
  448. static inline void tg3_cond_int(struct tg3 *tp)
  449. {
  450. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  451. (tp->hw_status->status & SD_STATUS_UPDATED))
  452. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  453. else
  454. tw32(HOSTCC_MODE, tp->coalesce_mode |
  455. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  456. }
  457. static void tg3_enable_ints(struct tg3 *tp)
  458. {
  459. tp->irq_sync = 0;
  460. wmb();
  461. tw32(TG3PCI_MISC_HOST_CTRL,
  462. (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
  463. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  464. (tp->last_tag << 24));
  465. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
  466. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  467. (tp->last_tag << 24));
  468. tg3_cond_int(tp);
  469. }
  470. static inline unsigned int tg3_has_work(struct tg3 *tp)
  471. {
  472. struct tg3_hw_status *sblk = tp->hw_status;
  473. unsigned int work_exists = 0;
  474. /* check for phy events */
  475. if (!(tp->tg3_flags &
  476. (TG3_FLAG_USE_LINKCHG_REG |
  477. TG3_FLAG_POLL_SERDES))) {
  478. if (sblk->status & SD_STATUS_LINK_CHG)
  479. work_exists = 1;
  480. }
  481. /* check for RX/TX work to do */
  482. if (sblk->idx[0].tx_consumer != tp->tx_cons ||
  483. sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
  484. work_exists = 1;
  485. return work_exists;
  486. }
  487. /* tg3_restart_ints
  488. * similar to tg3_enable_ints, but it accurately determines whether there
  489. * is new work pending and can return without flushing the PIO write
  490. * which reenables interrupts
  491. */
  492. static void tg3_restart_ints(struct tg3 *tp)
  493. {
  494. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  495. tp->last_tag << 24);
  496. mmiowb();
  497. /* When doing tagged status, this work check is unnecessary.
  498. * The last_tag we write above tells the chip which piece of
  499. * work we've completed.
  500. */
  501. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
  502. tg3_has_work(tp))
  503. tw32(HOSTCC_MODE, tp->coalesce_mode |
  504. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  505. }
  506. static inline void tg3_netif_stop(struct tg3 *tp)
  507. {
  508. tp->dev->trans_start = jiffies; /* prevent tx timeout */
  509. netif_poll_disable(tp->dev);
  510. netif_tx_disable(tp->dev);
  511. }
  512. static inline void tg3_netif_start(struct tg3 *tp)
  513. {
  514. netif_wake_queue(tp->dev);
  515. /* NOTE: unconditional netif_wake_queue is only appropriate
  516. * so long as all callers are assured to have free tx slots
  517. * (such as after tg3_init_hw)
  518. */
  519. netif_poll_enable(tp->dev);
  520. tp->hw_status->status |= SD_STATUS_UPDATED;
  521. tg3_enable_ints(tp);
  522. }
  523. static void tg3_switch_clocks(struct tg3 *tp)
  524. {
  525. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
  526. u32 orig_clock_ctrl;
  527. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  528. return;
  529. orig_clock_ctrl = clock_ctrl;
  530. clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
  531. CLOCK_CTRL_CLKRUN_OENABLE |
  532. 0x1f);
  533. tp->pci_clock_ctrl = clock_ctrl;
  534. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  535. if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
  536. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  537. clock_ctrl | CLOCK_CTRL_625_CORE, 40);
  538. }
  539. } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
  540. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  541. clock_ctrl |
  542. (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
  543. 40);
  544. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  545. clock_ctrl | (CLOCK_CTRL_ALTCLK),
  546. 40);
  547. }
  548. tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
  549. }
  550. #define PHY_BUSY_LOOPS 5000
  551. static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
  552. {
  553. u32 frame_val;
  554. unsigned int loops;
  555. int ret;
  556. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  557. tw32_f(MAC_MI_MODE,
  558. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  559. udelay(80);
  560. }
  561. *val = 0x0;
  562. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  563. MI_COM_PHY_ADDR_MASK);
  564. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  565. MI_COM_REG_ADDR_MASK);
  566. frame_val |= (MI_COM_CMD_READ | MI_COM_START);
  567. tw32_f(MAC_MI_COM, frame_val);
  568. loops = PHY_BUSY_LOOPS;
  569. while (loops != 0) {
  570. udelay(10);
  571. frame_val = tr32(MAC_MI_COM);
  572. if ((frame_val & MI_COM_BUSY) == 0) {
  573. udelay(5);
  574. frame_val = tr32(MAC_MI_COM);
  575. break;
  576. }
  577. loops -= 1;
  578. }
  579. ret = -EBUSY;
  580. if (loops != 0) {
  581. *val = frame_val & MI_COM_DATA_MASK;
  582. ret = 0;
  583. }
  584. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  585. tw32_f(MAC_MI_MODE, tp->mi_mode);
  586. udelay(80);
  587. }
  588. return ret;
  589. }
  590. static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
  591. {
  592. u32 frame_val;
  593. unsigned int loops;
  594. int ret;
  595. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
  596. (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
  597. return 0;
  598. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  599. tw32_f(MAC_MI_MODE,
  600. (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
  601. udelay(80);
  602. }
  603. frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
  604. MI_COM_PHY_ADDR_MASK);
  605. frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
  606. MI_COM_REG_ADDR_MASK);
  607. frame_val |= (val & MI_COM_DATA_MASK);
  608. frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
  609. tw32_f(MAC_MI_COM, frame_val);
  610. loops = PHY_BUSY_LOOPS;
  611. while (loops != 0) {
  612. udelay(10);
  613. frame_val = tr32(MAC_MI_COM);
  614. if ((frame_val & MI_COM_BUSY) == 0) {
  615. udelay(5);
  616. frame_val = tr32(MAC_MI_COM);
  617. break;
  618. }
  619. loops -= 1;
  620. }
  621. ret = -EBUSY;
  622. if (loops != 0)
  623. ret = 0;
  624. if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
  625. tw32_f(MAC_MI_MODE, tp->mi_mode);
  626. udelay(80);
  627. }
  628. return ret;
  629. }
  630. static void tg3_phy_set_wirespeed(struct tg3 *tp)
  631. {
  632. u32 val;
  633. if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
  634. return;
  635. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
  636. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
  637. tg3_writephy(tp, MII_TG3_AUX_CTRL,
  638. (val | (1 << 15) | (1 << 4)));
  639. }
  640. static int tg3_bmcr_reset(struct tg3 *tp)
  641. {
  642. u32 phy_control;
  643. int limit, err;
  644. /* OK, reset it, and poll the BMCR_RESET bit until it
  645. * clears or we time out.
  646. */
  647. phy_control = BMCR_RESET;
  648. err = tg3_writephy(tp, MII_BMCR, phy_control);
  649. if (err != 0)
  650. return -EBUSY;
  651. limit = 5000;
  652. while (limit--) {
  653. err = tg3_readphy(tp, MII_BMCR, &phy_control);
  654. if (err != 0)
  655. return -EBUSY;
  656. if ((phy_control & BMCR_RESET) == 0) {
  657. udelay(40);
  658. break;
  659. }
  660. udelay(10);
  661. }
  662. if (limit <= 0)
  663. return -EBUSY;
  664. return 0;
  665. }
  666. static int tg3_wait_macro_done(struct tg3 *tp)
  667. {
  668. int limit = 100;
  669. while (limit--) {
  670. u32 tmp32;
  671. if (!tg3_readphy(tp, 0x16, &tmp32)) {
  672. if ((tmp32 & 0x1000) == 0)
  673. break;
  674. }
  675. }
  676. if (limit <= 0)
  677. return -EBUSY;
  678. return 0;
  679. }
  680. static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
  681. {
  682. static const u32 test_pat[4][6] = {
  683. { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
  684. { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
  685. { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
  686. { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
  687. };
  688. int chan;
  689. for (chan = 0; chan < 4; chan++) {
  690. int i;
  691. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  692. (chan * 0x2000) | 0x0200);
  693. tg3_writephy(tp, 0x16, 0x0002);
  694. for (i = 0; i < 6; i++)
  695. tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
  696. test_pat[chan][i]);
  697. tg3_writephy(tp, 0x16, 0x0202);
  698. if (tg3_wait_macro_done(tp)) {
  699. *resetp = 1;
  700. return -EBUSY;
  701. }
  702. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  703. (chan * 0x2000) | 0x0200);
  704. tg3_writephy(tp, 0x16, 0x0082);
  705. if (tg3_wait_macro_done(tp)) {
  706. *resetp = 1;
  707. return -EBUSY;
  708. }
  709. tg3_writephy(tp, 0x16, 0x0802);
  710. if (tg3_wait_macro_done(tp)) {
  711. *resetp = 1;
  712. return -EBUSY;
  713. }
  714. for (i = 0; i < 6; i += 2) {
  715. u32 low, high;
  716. if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
  717. tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
  718. tg3_wait_macro_done(tp)) {
  719. *resetp = 1;
  720. return -EBUSY;
  721. }
  722. low &= 0x7fff;
  723. high &= 0x000f;
  724. if (low != test_pat[chan][i] ||
  725. high != test_pat[chan][i+1]) {
  726. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
  727. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
  728. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
  729. return -EBUSY;
  730. }
  731. }
  732. }
  733. return 0;
  734. }
  735. static int tg3_phy_reset_chanpat(struct tg3 *tp)
  736. {
  737. int chan;
  738. for (chan = 0; chan < 4; chan++) {
  739. int i;
  740. tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
  741. (chan * 0x2000) | 0x0200);
  742. tg3_writephy(tp, 0x16, 0x0002);
  743. for (i = 0; i < 6; i++)
  744. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
  745. tg3_writephy(tp, 0x16, 0x0202);
  746. if (tg3_wait_macro_done(tp))
  747. return -EBUSY;
  748. }
  749. return 0;
  750. }
  751. static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
  752. {
  753. u32 reg32, phy9_orig;
  754. int retries, do_phy_reset, err;
  755. retries = 10;
  756. do_phy_reset = 1;
  757. do {
  758. if (do_phy_reset) {
  759. err = tg3_bmcr_reset(tp);
  760. if (err)
  761. return err;
  762. do_phy_reset = 0;
  763. }
  764. /* Disable transmitter and interrupt. */
  765. if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
  766. continue;
  767. reg32 |= 0x3000;
  768. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  769. /* Set full-duplex, 1000 mbps. */
  770. tg3_writephy(tp, MII_BMCR,
  771. BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
  772. /* Set to master mode. */
  773. if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
  774. continue;
  775. tg3_writephy(tp, MII_TG3_CTRL,
  776. (MII_TG3_CTRL_AS_MASTER |
  777. MII_TG3_CTRL_ENABLE_AS_MASTER));
  778. /* Enable SM_DSP_CLOCK and 6dB. */
  779. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  780. /* Block the PHY control access. */
  781. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  782. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
  783. err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
  784. if (!err)
  785. break;
  786. } while (--retries);
  787. err = tg3_phy_reset_chanpat(tp);
  788. if (err)
  789. return err;
  790. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
  791. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
  792. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
  793. tg3_writephy(tp, 0x16, 0x0000);
  794. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  795. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  796. /* Set Extended packet length bit for jumbo frames */
  797. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
  798. }
  799. else {
  800. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  801. }
  802. tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
  803. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
  804. reg32 &= ~0x3000;
  805. tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
  806. } else if (!err)
  807. err = -EBUSY;
  808. return err;
  809. }
  810. static void tg3_link_report(struct tg3 *);
  811. /* This will reset the tigon3 PHY if there is no valid
  812. * link unless the FORCE argument is non-zero.
  813. */
  814. static int tg3_phy_reset(struct tg3 *tp)
  815. {
  816. u32 phy_status;
  817. int err;
  818. err = tg3_readphy(tp, MII_BMSR, &phy_status);
  819. err |= tg3_readphy(tp, MII_BMSR, &phy_status);
  820. if (err != 0)
  821. return -EBUSY;
  822. if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
  823. netif_carrier_off(tp->dev);
  824. tg3_link_report(tp);
  825. }
  826. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  827. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  828. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  829. err = tg3_phy_reset_5703_4_5(tp);
  830. if (err)
  831. return err;
  832. goto out;
  833. }
  834. err = tg3_bmcr_reset(tp);
  835. if (err)
  836. return err;
  837. out:
  838. if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
  839. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  840. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  841. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
  842. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  843. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
  844. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  845. }
  846. if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
  847. tg3_writephy(tp, 0x1c, 0x8d68);
  848. tg3_writephy(tp, 0x1c, 0x8d68);
  849. }
  850. if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
  851. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  852. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  853. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
  854. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  855. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
  856. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
  857. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
  858. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  859. }
  860. else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
  861. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
  862. tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
  863. tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
  864. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
  865. }
  866. /* Set Extended packet length bit (bit 14) on all chips that */
  867. /* support jumbo frames */
  868. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  869. /* Cannot do read-modify-write on 5401 */
  870. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  871. } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  872. u32 phy_reg;
  873. /* Set bit 14 with read-modify-write to preserve other bits */
  874. if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
  875. !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
  876. tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
  877. }
  878. /* Set phy register 0x10 bit 0 to high fifo elasticity to support
  879. * jumbo frames transmission.
  880. */
  881. if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
  882. u32 phy_reg;
  883. if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
  884. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  885. phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
  886. }
  887. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  888. u32 phy_reg;
  889. /* adjust output voltage */
  890. tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
  891. if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
  892. u32 phy_reg2;
  893. tg3_writephy(tp, MII_TG3_EPHY_TEST,
  894. phy_reg | MII_TG3_EPHY_SHADOW_EN);
  895. /* Enable auto-MDIX */
  896. if (!tg3_readphy(tp, 0x10, &phy_reg2))
  897. tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
  898. tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
  899. }
  900. }
  901. tg3_phy_set_wirespeed(tp);
  902. return 0;
  903. }
  904. static void tg3_frob_aux_power(struct tg3 *tp)
  905. {
  906. struct tg3 *tp_peer = tp;
  907. if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
  908. return;
  909. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  910. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
  911. struct net_device *dev_peer;
  912. dev_peer = pci_get_drvdata(tp->pdev_peer);
  913. /* remove_one() may have been run on the peer. */
  914. if (!dev_peer)
  915. tp_peer = tp;
  916. else
  917. tp_peer = netdev_priv(dev_peer);
  918. }
  919. if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  920. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
  921. (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
  922. (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  923. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  924. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  925. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  926. (GRC_LCLCTRL_GPIO_OE0 |
  927. GRC_LCLCTRL_GPIO_OE1 |
  928. GRC_LCLCTRL_GPIO_OE2 |
  929. GRC_LCLCTRL_GPIO_OUTPUT0 |
  930. GRC_LCLCTRL_GPIO_OUTPUT1),
  931. 100);
  932. } else {
  933. u32 no_gpio2;
  934. u32 grc_local_ctrl = 0;
  935. if (tp_peer != tp &&
  936. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  937. return;
  938. /* Workaround to prevent overdrawing Amps. */
  939. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  940. ASIC_REV_5714) {
  941. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  942. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  943. grc_local_ctrl, 100);
  944. }
  945. /* On 5753 and variants, GPIO2 cannot be used. */
  946. no_gpio2 = tp->nic_sram_data_cfg &
  947. NIC_SRAM_DATA_CFG_NO_GPIO2;
  948. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
  949. GRC_LCLCTRL_GPIO_OE1 |
  950. GRC_LCLCTRL_GPIO_OE2 |
  951. GRC_LCLCTRL_GPIO_OUTPUT1 |
  952. GRC_LCLCTRL_GPIO_OUTPUT2;
  953. if (no_gpio2) {
  954. grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
  955. GRC_LCLCTRL_GPIO_OUTPUT2);
  956. }
  957. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  958. grc_local_ctrl, 100);
  959. grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
  960. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  961. grc_local_ctrl, 100);
  962. if (!no_gpio2) {
  963. grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
  964. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  965. grc_local_ctrl, 100);
  966. }
  967. }
  968. } else {
  969. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  970. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  971. if (tp_peer != tp &&
  972. (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
  973. return;
  974. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  975. (GRC_LCLCTRL_GPIO_OE1 |
  976. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  977. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  978. GRC_LCLCTRL_GPIO_OE1, 100);
  979. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
  980. (GRC_LCLCTRL_GPIO_OE1 |
  981. GRC_LCLCTRL_GPIO_OUTPUT1), 100);
  982. }
  983. }
  984. }
  985. static int tg3_setup_phy(struct tg3 *, int);
  986. #define RESET_KIND_SHUTDOWN 0
  987. #define RESET_KIND_INIT 1
  988. #define RESET_KIND_SUSPEND 2
  989. static void tg3_write_sig_post_reset(struct tg3 *, int);
  990. static int tg3_halt_cpu(struct tg3 *, u32);
  991. static int tg3_nvram_lock(struct tg3 *);
  992. static void tg3_nvram_unlock(struct tg3 *);
  993. static void tg3_power_down_phy(struct tg3 *tp)
  994. {
  995. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  996. return;
  997. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
  998. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  999. MII_TG3_EXT_CTRL_FORCE_LED_OFF);
  1000. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
  1001. }
  1002. /* The PHY should not be powered down on some chips because
  1003. * of bugs.
  1004. */
  1005. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1006. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1007. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
  1008. (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
  1009. return;
  1010. tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
  1011. }
  1012. static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
  1013. {
  1014. u32 misc_host_ctrl;
  1015. u16 power_control, power_caps;
  1016. int pm = tp->pm_cap;
  1017. /* Make sure register accesses (indirect or otherwise)
  1018. * will function correctly.
  1019. */
  1020. pci_write_config_dword(tp->pdev,
  1021. TG3PCI_MISC_HOST_CTRL,
  1022. tp->misc_host_ctrl);
  1023. pci_read_config_word(tp->pdev,
  1024. pm + PCI_PM_CTRL,
  1025. &power_control);
  1026. power_control |= PCI_PM_CTRL_PME_STATUS;
  1027. power_control &= ~(PCI_PM_CTRL_STATE_MASK);
  1028. switch (state) {
  1029. case PCI_D0:
  1030. power_control |= 0;
  1031. pci_write_config_word(tp->pdev,
  1032. pm + PCI_PM_CTRL,
  1033. power_control);
  1034. udelay(100); /* Delay after power state change */
  1035. /* Switch out of Vaux if it is a NIC */
  1036. if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
  1037. tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
  1038. return 0;
  1039. case PCI_D1:
  1040. power_control |= 1;
  1041. break;
  1042. case PCI_D2:
  1043. power_control |= 2;
  1044. break;
  1045. case PCI_D3hot:
  1046. power_control |= 3;
  1047. break;
  1048. default:
  1049. printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
  1050. "requested.\n",
  1051. tp->dev->name, state);
  1052. return -EINVAL;
  1053. };
  1054. power_control |= PCI_PM_CTRL_PME_ENABLE;
  1055. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  1056. tw32(TG3PCI_MISC_HOST_CTRL,
  1057. misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
  1058. if (tp->link_config.phy_is_low_power == 0) {
  1059. tp->link_config.phy_is_low_power = 1;
  1060. tp->link_config.orig_speed = tp->link_config.speed;
  1061. tp->link_config.orig_duplex = tp->link_config.duplex;
  1062. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  1063. }
  1064. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  1065. tp->link_config.speed = SPEED_10;
  1066. tp->link_config.duplex = DUPLEX_HALF;
  1067. tp->link_config.autoneg = AUTONEG_ENABLE;
  1068. tg3_setup_phy(tp, 0);
  1069. }
  1070. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1071. u32 val;
  1072. val = tr32(GRC_VCPU_EXT_CTRL);
  1073. tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
  1074. } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1075. int i;
  1076. u32 val;
  1077. for (i = 0; i < 200; i++) {
  1078. tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
  1079. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  1080. break;
  1081. msleep(1);
  1082. }
  1083. }
  1084. tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
  1085. WOL_DRV_STATE_SHUTDOWN |
  1086. WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
  1087. pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
  1088. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
  1089. u32 mac_mode;
  1090. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  1091. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
  1092. udelay(40);
  1093. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  1094. mac_mode = MAC_MODE_PORT_MODE_GMII;
  1095. else
  1096. mac_mode = MAC_MODE_PORT_MODE_MII;
  1097. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
  1098. !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
  1099. mac_mode |= MAC_MODE_LINK_POLARITY;
  1100. } else {
  1101. mac_mode = MAC_MODE_PORT_MODE_TBI;
  1102. }
  1103. if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  1104. tw32(MAC_LED_CTRL, tp->led_ctrl);
  1105. if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
  1106. (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
  1107. mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
  1108. tw32_f(MAC_MODE, mac_mode);
  1109. udelay(100);
  1110. tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
  1111. udelay(10);
  1112. }
  1113. if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
  1114. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1115. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  1116. u32 base_val;
  1117. base_val = tp->pci_clock_ctrl;
  1118. base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
  1119. CLOCK_CTRL_TXCLK_DISABLE);
  1120. tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
  1121. CLOCK_CTRL_PWRDOWN_PLL133, 40);
  1122. } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  1123. /* do nothing */
  1124. } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  1125. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
  1126. u32 newbits1, newbits2;
  1127. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1128. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1129. newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
  1130. CLOCK_CTRL_TXCLK_DISABLE |
  1131. CLOCK_CTRL_ALTCLK);
  1132. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1133. } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  1134. newbits1 = CLOCK_CTRL_625_CORE;
  1135. newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
  1136. } else {
  1137. newbits1 = CLOCK_CTRL_ALTCLK;
  1138. newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
  1139. }
  1140. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
  1141. 40);
  1142. tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
  1143. 40);
  1144. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  1145. u32 newbits3;
  1146. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1147. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1148. newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
  1149. CLOCK_CTRL_TXCLK_DISABLE |
  1150. CLOCK_CTRL_44MHZ_CORE);
  1151. } else {
  1152. newbits3 = CLOCK_CTRL_44MHZ_CORE;
  1153. }
  1154. tw32_wait_f(TG3PCI_CLOCK_CTRL,
  1155. tp->pci_clock_ctrl | newbits3, 40);
  1156. }
  1157. }
  1158. if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
  1159. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  1160. tg3_power_down_phy(tp);
  1161. tg3_frob_aux_power(tp);
  1162. /* Workaround for unstable PLL clock */
  1163. if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
  1164. (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
  1165. u32 val = tr32(0x7d00);
  1166. val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
  1167. tw32(0x7d00, val);
  1168. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  1169. int err;
  1170. err = tg3_nvram_lock(tp);
  1171. tg3_halt_cpu(tp, RX_CPU_BASE);
  1172. if (!err)
  1173. tg3_nvram_unlock(tp);
  1174. }
  1175. }
  1176. tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
  1177. /* Finally, set the new power state. */
  1178. pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
  1179. udelay(100); /* Delay after power state change */
  1180. return 0;
  1181. }
  1182. static void tg3_link_report(struct tg3 *tp)
  1183. {
  1184. if (!netif_carrier_ok(tp->dev)) {
  1185. if (netif_msg_link(tp))
  1186. printk(KERN_INFO PFX "%s: Link is down.\n",
  1187. tp->dev->name);
  1188. } else if (netif_msg_link(tp)) {
  1189. printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
  1190. tp->dev->name,
  1191. (tp->link_config.active_speed == SPEED_1000 ?
  1192. 1000 :
  1193. (tp->link_config.active_speed == SPEED_100 ?
  1194. 100 : 10)),
  1195. (tp->link_config.active_duplex == DUPLEX_FULL ?
  1196. "full" : "half"));
  1197. printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
  1198. "%s for RX.\n",
  1199. tp->dev->name,
  1200. (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
  1201. (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
  1202. }
  1203. }
  1204. static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
  1205. {
  1206. u32 new_tg3_flags = 0;
  1207. u32 old_rx_mode = tp->rx_mode;
  1208. u32 old_tx_mode = tp->tx_mode;
  1209. if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
  1210. /* Convert 1000BaseX flow control bits to 1000BaseT
  1211. * bits before resolving flow control.
  1212. */
  1213. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  1214. local_adv &= ~(ADVERTISE_PAUSE_CAP |
  1215. ADVERTISE_PAUSE_ASYM);
  1216. remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1217. if (local_adv & ADVERTISE_1000XPAUSE)
  1218. local_adv |= ADVERTISE_PAUSE_CAP;
  1219. if (local_adv & ADVERTISE_1000XPSE_ASYM)
  1220. local_adv |= ADVERTISE_PAUSE_ASYM;
  1221. if (remote_adv & LPA_1000XPAUSE)
  1222. remote_adv |= LPA_PAUSE_CAP;
  1223. if (remote_adv & LPA_1000XPAUSE_ASYM)
  1224. remote_adv |= LPA_PAUSE_ASYM;
  1225. }
  1226. if (local_adv & ADVERTISE_PAUSE_CAP) {
  1227. if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1228. if (remote_adv & LPA_PAUSE_CAP)
  1229. new_tg3_flags |=
  1230. (TG3_FLAG_RX_PAUSE |
  1231. TG3_FLAG_TX_PAUSE);
  1232. else if (remote_adv & LPA_PAUSE_ASYM)
  1233. new_tg3_flags |=
  1234. (TG3_FLAG_RX_PAUSE);
  1235. } else {
  1236. if (remote_adv & LPA_PAUSE_CAP)
  1237. new_tg3_flags |=
  1238. (TG3_FLAG_RX_PAUSE |
  1239. TG3_FLAG_TX_PAUSE);
  1240. }
  1241. } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
  1242. if ((remote_adv & LPA_PAUSE_CAP) &&
  1243. (remote_adv & LPA_PAUSE_ASYM))
  1244. new_tg3_flags |= TG3_FLAG_TX_PAUSE;
  1245. }
  1246. tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
  1247. tp->tg3_flags |= new_tg3_flags;
  1248. } else {
  1249. new_tg3_flags = tp->tg3_flags;
  1250. }
  1251. if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
  1252. tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
  1253. else
  1254. tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
  1255. if (old_rx_mode != tp->rx_mode) {
  1256. tw32_f(MAC_RX_MODE, tp->rx_mode);
  1257. }
  1258. if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
  1259. tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
  1260. else
  1261. tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
  1262. if (old_tx_mode != tp->tx_mode) {
  1263. tw32_f(MAC_TX_MODE, tp->tx_mode);
  1264. }
  1265. }
  1266. static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
  1267. {
  1268. switch (val & MII_TG3_AUX_STAT_SPDMASK) {
  1269. case MII_TG3_AUX_STAT_10HALF:
  1270. *speed = SPEED_10;
  1271. *duplex = DUPLEX_HALF;
  1272. break;
  1273. case MII_TG3_AUX_STAT_10FULL:
  1274. *speed = SPEED_10;
  1275. *duplex = DUPLEX_FULL;
  1276. break;
  1277. case MII_TG3_AUX_STAT_100HALF:
  1278. *speed = SPEED_100;
  1279. *duplex = DUPLEX_HALF;
  1280. break;
  1281. case MII_TG3_AUX_STAT_100FULL:
  1282. *speed = SPEED_100;
  1283. *duplex = DUPLEX_FULL;
  1284. break;
  1285. case MII_TG3_AUX_STAT_1000HALF:
  1286. *speed = SPEED_1000;
  1287. *duplex = DUPLEX_HALF;
  1288. break;
  1289. case MII_TG3_AUX_STAT_1000FULL:
  1290. *speed = SPEED_1000;
  1291. *duplex = DUPLEX_FULL;
  1292. break;
  1293. default:
  1294. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  1295. *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
  1296. SPEED_10;
  1297. *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
  1298. DUPLEX_HALF;
  1299. break;
  1300. }
  1301. *speed = SPEED_INVALID;
  1302. *duplex = DUPLEX_INVALID;
  1303. break;
  1304. };
  1305. }
  1306. static void tg3_phy_copper_begin(struct tg3 *tp)
  1307. {
  1308. u32 new_adv;
  1309. int i;
  1310. if (tp->link_config.phy_is_low_power) {
  1311. /* Entering low power mode. Disable gigabit and
  1312. * 100baseT advertisements.
  1313. */
  1314. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1315. new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  1316. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1317. if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
  1318. new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
  1319. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1320. } else if (tp->link_config.speed == SPEED_INVALID) {
  1321. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  1322. tp->link_config.advertising &=
  1323. ~(ADVERTISED_1000baseT_Half |
  1324. ADVERTISED_1000baseT_Full);
  1325. new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  1326. if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
  1327. new_adv |= ADVERTISE_10HALF;
  1328. if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
  1329. new_adv |= ADVERTISE_10FULL;
  1330. if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
  1331. new_adv |= ADVERTISE_100HALF;
  1332. if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
  1333. new_adv |= ADVERTISE_100FULL;
  1334. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1335. if (tp->link_config.advertising &
  1336. (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
  1337. new_adv = 0;
  1338. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  1339. new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
  1340. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  1341. new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
  1342. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
  1343. (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1344. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
  1345. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1346. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1347. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1348. } else {
  1349. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1350. }
  1351. } else {
  1352. /* Asking for a specific link mode. */
  1353. if (tp->link_config.speed == SPEED_1000) {
  1354. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1355. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1356. if (tp->link_config.duplex == DUPLEX_FULL)
  1357. new_adv = MII_TG3_CTRL_ADV_1000_FULL;
  1358. else
  1359. new_adv = MII_TG3_CTRL_ADV_1000_HALF;
  1360. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1361. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  1362. new_adv |= (MII_TG3_CTRL_AS_MASTER |
  1363. MII_TG3_CTRL_ENABLE_AS_MASTER);
  1364. tg3_writephy(tp, MII_TG3_CTRL, new_adv);
  1365. } else {
  1366. tg3_writephy(tp, MII_TG3_CTRL, 0);
  1367. new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
  1368. if (tp->link_config.speed == SPEED_100) {
  1369. if (tp->link_config.duplex == DUPLEX_FULL)
  1370. new_adv |= ADVERTISE_100FULL;
  1371. else
  1372. new_adv |= ADVERTISE_100HALF;
  1373. } else {
  1374. if (tp->link_config.duplex == DUPLEX_FULL)
  1375. new_adv |= ADVERTISE_10FULL;
  1376. else
  1377. new_adv |= ADVERTISE_10HALF;
  1378. }
  1379. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  1380. }
  1381. }
  1382. if (tp->link_config.autoneg == AUTONEG_DISABLE &&
  1383. tp->link_config.speed != SPEED_INVALID) {
  1384. u32 bmcr, orig_bmcr;
  1385. tp->link_config.active_speed = tp->link_config.speed;
  1386. tp->link_config.active_duplex = tp->link_config.duplex;
  1387. bmcr = 0;
  1388. switch (tp->link_config.speed) {
  1389. default:
  1390. case SPEED_10:
  1391. break;
  1392. case SPEED_100:
  1393. bmcr |= BMCR_SPEED100;
  1394. break;
  1395. case SPEED_1000:
  1396. bmcr |= TG3_BMCR_SPEED1000;
  1397. break;
  1398. };
  1399. if (tp->link_config.duplex == DUPLEX_FULL)
  1400. bmcr |= BMCR_FULLDPLX;
  1401. if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
  1402. (bmcr != orig_bmcr)) {
  1403. tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
  1404. for (i = 0; i < 1500; i++) {
  1405. u32 tmp;
  1406. udelay(10);
  1407. if (tg3_readphy(tp, MII_BMSR, &tmp) ||
  1408. tg3_readphy(tp, MII_BMSR, &tmp))
  1409. continue;
  1410. if (!(tmp & BMSR_LSTATUS)) {
  1411. udelay(40);
  1412. break;
  1413. }
  1414. }
  1415. tg3_writephy(tp, MII_BMCR, bmcr);
  1416. udelay(40);
  1417. }
  1418. } else {
  1419. tg3_writephy(tp, MII_BMCR,
  1420. BMCR_ANENABLE | BMCR_ANRESTART);
  1421. }
  1422. }
  1423. static int tg3_init_5401phy_dsp(struct tg3 *tp)
  1424. {
  1425. int err;
  1426. /* Turn off tap power management. */
  1427. /* Set Extended packet length bit */
  1428. err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
  1429. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
  1430. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
  1431. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
  1432. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
  1433. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1434. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
  1435. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
  1436. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
  1437. err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
  1438. err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
  1439. udelay(40);
  1440. return err;
  1441. }
  1442. static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
  1443. {
  1444. u32 adv_reg, all_mask = 0;
  1445. if (mask & ADVERTISED_10baseT_Half)
  1446. all_mask |= ADVERTISE_10HALF;
  1447. if (mask & ADVERTISED_10baseT_Full)
  1448. all_mask |= ADVERTISE_10FULL;
  1449. if (mask & ADVERTISED_100baseT_Half)
  1450. all_mask |= ADVERTISE_100HALF;
  1451. if (mask & ADVERTISED_100baseT_Full)
  1452. all_mask |= ADVERTISE_100FULL;
  1453. if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
  1454. return 0;
  1455. if ((adv_reg & all_mask) != all_mask)
  1456. return 0;
  1457. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  1458. u32 tg3_ctrl;
  1459. all_mask = 0;
  1460. if (mask & ADVERTISED_1000baseT_Half)
  1461. all_mask |= ADVERTISE_1000HALF;
  1462. if (mask & ADVERTISED_1000baseT_Full)
  1463. all_mask |= ADVERTISE_1000FULL;
  1464. if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
  1465. return 0;
  1466. if ((tg3_ctrl & all_mask) != all_mask)
  1467. return 0;
  1468. }
  1469. return 1;
  1470. }
  1471. static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
  1472. {
  1473. int current_link_up;
  1474. u32 bmsr, dummy;
  1475. u16 current_speed;
  1476. u8 current_duplex;
  1477. int i, err;
  1478. tw32(MAC_EVENT, 0);
  1479. tw32_f(MAC_STATUS,
  1480. (MAC_STATUS_SYNC_CHANGED |
  1481. MAC_STATUS_CFG_CHANGED |
  1482. MAC_STATUS_MI_COMPLETION |
  1483. MAC_STATUS_LNKSTATE_CHANGED));
  1484. udelay(40);
  1485. tp->mi_mode = MAC_MI_MODE_BASE;
  1486. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1487. udelay(80);
  1488. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
  1489. /* Some third-party PHYs need to be reset on link going
  1490. * down.
  1491. */
  1492. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  1493. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
  1494. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  1495. netif_carrier_ok(tp->dev)) {
  1496. tg3_readphy(tp, MII_BMSR, &bmsr);
  1497. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1498. !(bmsr & BMSR_LSTATUS))
  1499. force_reset = 1;
  1500. }
  1501. if (force_reset)
  1502. tg3_phy_reset(tp);
  1503. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  1504. tg3_readphy(tp, MII_BMSR, &bmsr);
  1505. if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
  1506. !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
  1507. bmsr = 0;
  1508. if (!(bmsr & BMSR_LSTATUS)) {
  1509. err = tg3_init_5401phy_dsp(tp);
  1510. if (err)
  1511. return err;
  1512. tg3_readphy(tp, MII_BMSR, &bmsr);
  1513. for (i = 0; i < 1000; i++) {
  1514. udelay(10);
  1515. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1516. (bmsr & BMSR_LSTATUS)) {
  1517. udelay(40);
  1518. break;
  1519. }
  1520. }
  1521. if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
  1522. !(bmsr & BMSR_LSTATUS) &&
  1523. tp->link_config.active_speed == SPEED_1000) {
  1524. err = tg3_phy_reset(tp);
  1525. if (!err)
  1526. err = tg3_init_5401phy_dsp(tp);
  1527. if (err)
  1528. return err;
  1529. }
  1530. }
  1531. } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  1532. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
  1533. /* 5701 {A0,B0} CRC bug workaround */
  1534. tg3_writephy(tp, 0x15, 0x0a75);
  1535. tg3_writephy(tp, 0x1c, 0x8c68);
  1536. tg3_writephy(tp, 0x1c, 0x8d68);
  1537. tg3_writephy(tp, 0x1c, 0x8c68);
  1538. }
  1539. /* Clear pending interrupts... */
  1540. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1541. tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
  1542. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
  1543. tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
  1544. else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
  1545. tg3_writephy(tp, MII_TG3_IMASK, ~0);
  1546. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  1547. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  1548. if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
  1549. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  1550. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  1551. else
  1552. tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
  1553. }
  1554. current_link_up = 0;
  1555. current_speed = SPEED_INVALID;
  1556. current_duplex = DUPLEX_INVALID;
  1557. if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
  1558. u32 val;
  1559. tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
  1560. tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
  1561. if (!(val & (1 << 10))) {
  1562. val |= (1 << 10);
  1563. tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
  1564. goto relink;
  1565. }
  1566. }
  1567. bmsr = 0;
  1568. for (i = 0; i < 100; i++) {
  1569. tg3_readphy(tp, MII_BMSR, &bmsr);
  1570. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  1571. (bmsr & BMSR_LSTATUS))
  1572. break;
  1573. udelay(40);
  1574. }
  1575. if (bmsr & BMSR_LSTATUS) {
  1576. u32 aux_stat, bmcr;
  1577. tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
  1578. for (i = 0; i < 2000; i++) {
  1579. udelay(10);
  1580. if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
  1581. aux_stat)
  1582. break;
  1583. }
  1584. tg3_aux_stat_to_speed_duplex(tp, aux_stat,
  1585. &current_speed,
  1586. &current_duplex);
  1587. bmcr = 0;
  1588. for (i = 0; i < 200; i++) {
  1589. tg3_readphy(tp, MII_BMCR, &bmcr);
  1590. if (tg3_readphy(tp, MII_BMCR, &bmcr))
  1591. continue;
  1592. if (bmcr && bmcr != 0x7fff)
  1593. break;
  1594. udelay(10);
  1595. }
  1596. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  1597. if (bmcr & BMCR_ANENABLE) {
  1598. current_link_up = 1;
  1599. /* Force autoneg restart if we are exiting
  1600. * low power mode.
  1601. */
  1602. if (!tg3_copper_is_advertising_all(tp,
  1603. tp->link_config.advertising))
  1604. current_link_up = 0;
  1605. } else {
  1606. current_link_up = 0;
  1607. }
  1608. } else {
  1609. if (!(bmcr & BMCR_ANENABLE) &&
  1610. tp->link_config.speed == current_speed &&
  1611. tp->link_config.duplex == current_duplex) {
  1612. current_link_up = 1;
  1613. } else {
  1614. current_link_up = 0;
  1615. }
  1616. }
  1617. tp->link_config.active_speed = current_speed;
  1618. tp->link_config.active_duplex = current_duplex;
  1619. }
  1620. if (current_link_up == 1 &&
  1621. (tp->link_config.active_duplex == DUPLEX_FULL) &&
  1622. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  1623. u32 local_adv, remote_adv;
  1624. if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
  1625. local_adv = 0;
  1626. local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
  1627. if (tg3_readphy(tp, MII_LPA, &remote_adv))
  1628. remote_adv = 0;
  1629. remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
  1630. /* If we are not advertising full pause capability,
  1631. * something is wrong. Bring the link down and reconfigure.
  1632. */
  1633. if (local_adv != ADVERTISE_PAUSE_CAP) {
  1634. current_link_up = 0;
  1635. } else {
  1636. tg3_setup_flow_control(tp, local_adv, remote_adv);
  1637. }
  1638. }
  1639. relink:
  1640. if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
  1641. u32 tmp;
  1642. tg3_phy_copper_begin(tp);
  1643. tg3_readphy(tp, MII_BMSR, &tmp);
  1644. if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
  1645. (tmp & BMSR_LSTATUS))
  1646. current_link_up = 1;
  1647. }
  1648. tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
  1649. if (current_link_up == 1) {
  1650. if (tp->link_config.active_speed == SPEED_100 ||
  1651. tp->link_config.active_speed == SPEED_10)
  1652. tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
  1653. else
  1654. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1655. } else
  1656. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  1657. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  1658. if (tp->link_config.active_duplex == DUPLEX_HALF)
  1659. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  1660. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  1661. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
  1662. if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
  1663. (current_link_up == 1 &&
  1664. tp->link_config.active_speed == SPEED_10))
  1665. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1666. } else {
  1667. if (current_link_up == 1)
  1668. tp->mac_mode |= MAC_MODE_LINK_POLARITY;
  1669. }
  1670. /* ??? Without this setting Netgear GA302T PHY does not
  1671. * ??? send/receive packets...
  1672. */
  1673. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
  1674. tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
  1675. tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
  1676. tw32_f(MAC_MI_MODE, tp->mi_mode);
  1677. udelay(80);
  1678. }
  1679. tw32_f(MAC_MODE, tp->mac_mode);
  1680. udelay(40);
  1681. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  1682. /* Polled via timer. */
  1683. tw32_f(MAC_EVENT, 0);
  1684. } else {
  1685. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  1686. }
  1687. udelay(40);
  1688. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
  1689. current_link_up == 1 &&
  1690. tp->link_config.active_speed == SPEED_1000 &&
  1691. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
  1692. (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
  1693. udelay(120);
  1694. tw32_f(MAC_STATUS,
  1695. (MAC_STATUS_SYNC_CHANGED |
  1696. MAC_STATUS_CFG_CHANGED));
  1697. udelay(40);
  1698. tg3_write_mem(tp,
  1699. NIC_SRAM_FIRMWARE_MBOX,
  1700. NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
  1701. }
  1702. if (current_link_up != netif_carrier_ok(tp->dev)) {
  1703. if (current_link_up)
  1704. netif_carrier_on(tp->dev);
  1705. else
  1706. netif_carrier_off(tp->dev);
  1707. tg3_link_report(tp);
  1708. }
  1709. return 0;
  1710. }
  1711. struct tg3_fiber_aneginfo {
  1712. int state;
  1713. #define ANEG_STATE_UNKNOWN 0
  1714. #define ANEG_STATE_AN_ENABLE 1
  1715. #define ANEG_STATE_RESTART_INIT 2
  1716. #define ANEG_STATE_RESTART 3
  1717. #define ANEG_STATE_DISABLE_LINK_OK 4
  1718. #define ANEG_STATE_ABILITY_DETECT_INIT 5
  1719. #define ANEG_STATE_ABILITY_DETECT 6
  1720. #define ANEG_STATE_ACK_DETECT_INIT 7
  1721. #define ANEG_STATE_ACK_DETECT 8
  1722. #define ANEG_STATE_COMPLETE_ACK_INIT 9
  1723. #define ANEG_STATE_COMPLETE_ACK 10
  1724. #define ANEG_STATE_IDLE_DETECT_INIT 11
  1725. #define ANEG_STATE_IDLE_DETECT 12
  1726. #define ANEG_STATE_LINK_OK 13
  1727. #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
  1728. #define ANEG_STATE_NEXT_PAGE_WAIT 15
  1729. u32 flags;
  1730. #define MR_AN_ENABLE 0x00000001
  1731. #define MR_RESTART_AN 0x00000002
  1732. #define MR_AN_COMPLETE 0x00000004
  1733. #define MR_PAGE_RX 0x00000008
  1734. #define MR_NP_LOADED 0x00000010
  1735. #define MR_TOGGLE_TX 0x00000020
  1736. #define MR_LP_ADV_FULL_DUPLEX 0x00000040
  1737. #define MR_LP_ADV_HALF_DUPLEX 0x00000080
  1738. #define MR_LP_ADV_SYM_PAUSE 0x00000100
  1739. #define MR_LP_ADV_ASYM_PAUSE 0x00000200
  1740. #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
  1741. #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
  1742. #define MR_LP_ADV_NEXT_PAGE 0x00001000
  1743. #define MR_TOGGLE_RX 0x00002000
  1744. #define MR_NP_RX 0x00004000
  1745. #define MR_LINK_OK 0x80000000
  1746. unsigned long link_time, cur_time;
  1747. u32 ability_match_cfg;
  1748. int ability_match_count;
  1749. char ability_match, idle_match, ack_match;
  1750. u32 txconfig, rxconfig;
  1751. #define ANEG_CFG_NP 0x00000080
  1752. #define ANEG_CFG_ACK 0x00000040
  1753. #define ANEG_CFG_RF2 0x00000020
  1754. #define ANEG_CFG_RF1 0x00000010
  1755. #define ANEG_CFG_PS2 0x00000001
  1756. #define ANEG_CFG_PS1 0x00008000
  1757. #define ANEG_CFG_HD 0x00004000
  1758. #define ANEG_CFG_FD 0x00002000
  1759. #define ANEG_CFG_INVAL 0x00001f06
  1760. };
  1761. #define ANEG_OK 0
  1762. #define ANEG_DONE 1
  1763. #define ANEG_TIMER_ENAB 2
  1764. #define ANEG_FAILED -1
  1765. #define ANEG_STATE_SETTLE_TIME 10000
  1766. static int tg3_fiber_aneg_smachine(struct tg3 *tp,
  1767. struct tg3_fiber_aneginfo *ap)
  1768. {
  1769. unsigned long delta;
  1770. u32 rx_cfg_reg;
  1771. int ret;
  1772. if (ap->state == ANEG_STATE_UNKNOWN) {
  1773. ap->rxconfig = 0;
  1774. ap->link_time = 0;
  1775. ap->cur_time = 0;
  1776. ap->ability_match_cfg = 0;
  1777. ap->ability_match_count = 0;
  1778. ap->ability_match = 0;
  1779. ap->idle_match = 0;
  1780. ap->ack_match = 0;
  1781. }
  1782. ap->cur_time++;
  1783. if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
  1784. rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
  1785. if (rx_cfg_reg != ap->ability_match_cfg) {
  1786. ap->ability_match_cfg = rx_cfg_reg;
  1787. ap->ability_match = 0;
  1788. ap->ability_match_count = 0;
  1789. } else {
  1790. if (++ap->ability_match_count > 1) {
  1791. ap->ability_match = 1;
  1792. ap->ability_match_cfg = rx_cfg_reg;
  1793. }
  1794. }
  1795. if (rx_cfg_reg & ANEG_CFG_ACK)
  1796. ap->ack_match = 1;
  1797. else
  1798. ap->ack_match = 0;
  1799. ap->idle_match = 0;
  1800. } else {
  1801. ap->idle_match = 1;
  1802. ap->ability_match_cfg = 0;
  1803. ap->ability_match_count = 0;
  1804. ap->ability_match = 0;
  1805. ap->ack_match = 0;
  1806. rx_cfg_reg = 0;
  1807. }
  1808. ap->rxconfig = rx_cfg_reg;
  1809. ret = ANEG_OK;
  1810. switch(ap->state) {
  1811. case ANEG_STATE_UNKNOWN:
  1812. if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
  1813. ap->state = ANEG_STATE_AN_ENABLE;
  1814. /* fallthru */
  1815. case ANEG_STATE_AN_ENABLE:
  1816. ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
  1817. if (ap->flags & MR_AN_ENABLE) {
  1818. ap->link_time = 0;
  1819. ap->cur_time = 0;
  1820. ap->ability_match_cfg = 0;
  1821. ap->ability_match_count = 0;
  1822. ap->ability_match = 0;
  1823. ap->idle_match = 0;
  1824. ap->ack_match = 0;
  1825. ap->state = ANEG_STATE_RESTART_INIT;
  1826. } else {
  1827. ap->state = ANEG_STATE_DISABLE_LINK_OK;
  1828. }
  1829. break;
  1830. case ANEG_STATE_RESTART_INIT:
  1831. ap->link_time = ap->cur_time;
  1832. ap->flags &= ~(MR_NP_LOADED);
  1833. ap->txconfig = 0;
  1834. tw32(MAC_TX_AUTO_NEG, 0);
  1835. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1836. tw32_f(MAC_MODE, tp->mac_mode);
  1837. udelay(40);
  1838. ret = ANEG_TIMER_ENAB;
  1839. ap->state = ANEG_STATE_RESTART;
  1840. /* fallthru */
  1841. case ANEG_STATE_RESTART:
  1842. delta = ap->cur_time - ap->link_time;
  1843. if (delta > ANEG_STATE_SETTLE_TIME) {
  1844. ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
  1845. } else {
  1846. ret = ANEG_TIMER_ENAB;
  1847. }
  1848. break;
  1849. case ANEG_STATE_DISABLE_LINK_OK:
  1850. ret = ANEG_DONE;
  1851. break;
  1852. case ANEG_STATE_ABILITY_DETECT_INIT:
  1853. ap->flags &= ~(MR_TOGGLE_TX);
  1854. ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
  1855. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1856. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1857. tw32_f(MAC_MODE, tp->mac_mode);
  1858. udelay(40);
  1859. ap->state = ANEG_STATE_ABILITY_DETECT;
  1860. break;
  1861. case ANEG_STATE_ABILITY_DETECT:
  1862. if (ap->ability_match != 0 && ap->rxconfig != 0) {
  1863. ap->state = ANEG_STATE_ACK_DETECT_INIT;
  1864. }
  1865. break;
  1866. case ANEG_STATE_ACK_DETECT_INIT:
  1867. ap->txconfig |= ANEG_CFG_ACK;
  1868. tw32(MAC_TX_AUTO_NEG, ap->txconfig);
  1869. tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
  1870. tw32_f(MAC_MODE, tp->mac_mode);
  1871. udelay(40);
  1872. ap->state = ANEG_STATE_ACK_DETECT;
  1873. /* fallthru */
  1874. case ANEG_STATE_ACK_DETECT:
  1875. if (ap->ack_match != 0) {
  1876. if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
  1877. (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
  1878. ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
  1879. } else {
  1880. ap->state = ANEG_STATE_AN_ENABLE;
  1881. }
  1882. } else if (ap->ability_match != 0 &&
  1883. ap->rxconfig == 0) {
  1884. ap->state = ANEG_STATE_AN_ENABLE;
  1885. }
  1886. break;
  1887. case ANEG_STATE_COMPLETE_ACK_INIT:
  1888. if (ap->rxconfig & ANEG_CFG_INVAL) {
  1889. ret = ANEG_FAILED;
  1890. break;
  1891. }
  1892. ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
  1893. MR_LP_ADV_HALF_DUPLEX |
  1894. MR_LP_ADV_SYM_PAUSE |
  1895. MR_LP_ADV_ASYM_PAUSE |
  1896. MR_LP_ADV_REMOTE_FAULT1 |
  1897. MR_LP_ADV_REMOTE_FAULT2 |
  1898. MR_LP_ADV_NEXT_PAGE |
  1899. MR_TOGGLE_RX |
  1900. MR_NP_RX);
  1901. if (ap->rxconfig & ANEG_CFG_FD)
  1902. ap->flags |= MR_LP_ADV_FULL_DUPLEX;
  1903. if (ap->rxconfig & ANEG_CFG_HD)
  1904. ap->flags |= MR_LP_ADV_HALF_DUPLEX;
  1905. if (ap->rxconfig & ANEG_CFG_PS1)
  1906. ap->flags |= MR_LP_ADV_SYM_PAUSE;
  1907. if (ap->rxconfig & ANEG_CFG_PS2)
  1908. ap->flags |= MR_LP_ADV_ASYM_PAUSE;
  1909. if (ap->rxconfig & ANEG_CFG_RF1)
  1910. ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
  1911. if (ap->rxconfig & ANEG_CFG_RF2)
  1912. ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
  1913. if (ap->rxconfig & ANEG_CFG_NP)
  1914. ap->flags |= MR_LP_ADV_NEXT_PAGE;
  1915. ap->link_time = ap->cur_time;
  1916. ap->flags ^= (MR_TOGGLE_TX);
  1917. if (ap->rxconfig & 0x0008)
  1918. ap->flags |= MR_TOGGLE_RX;
  1919. if (ap->rxconfig & ANEG_CFG_NP)
  1920. ap->flags |= MR_NP_RX;
  1921. ap->flags |= MR_PAGE_RX;
  1922. ap->state = ANEG_STATE_COMPLETE_ACK;
  1923. ret = ANEG_TIMER_ENAB;
  1924. break;
  1925. case ANEG_STATE_COMPLETE_ACK:
  1926. if (ap->ability_match != 0 &&
  1927. ap->rxconfig == 0) {
  1928. ap->state = ANEG_STATE_AN_ENABLE;
  1929. break;
  1930. }
  1931. delta = ap->cur_time - ap->link_time;
  1932. if (delta > ANEG_STATE_SETTLE_TIME) {
  1933. if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
  1934. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1935. } else {
  1936. if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
  1937. !(ap->flags & MR_NP_RX)) {
  1938. ap->state = ANEG_STATE_IDLE_DETECT_INIT;
  1939. } else {
  1940. ret = ANEG_FAILED;
  1941. }
  1942. }
  1943. }
  1944. break;
  1945. case ANEG_STATE_IDLE_DETECT_INIT:
  1946. ap->link_time = ap->cur_time;
  1947. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  1948. tw32_f(MAC_MODE, tp->mac_mode);
  1949. udelay(40);
  1950. ap->state = ANEG_STATE_IDLE_DETECT;
  1951. ret = ANEG_TIMER_ENAB;
  1952. break;
  1953. case ANEG_STATE_IDLE_DETECT:
  1954. if (ap->ability_match != 0 &&
  1955. ap->rxconfig == 0) {
  1956. ap->state = ANEG_STATE_AN_ENABLE;
  1957. break;
  1958. }
  1959. delta = ap->cur_time - ap->link_time;
  1960. if (delta > ANEG_STATE_SETTLE_TIME) {
  1961. /* XXX another gem from the Broadcom driver :( */
  1962. ap->state = ANEG_STATE_LINK_OK;
  1963. }
  1964. break;
  1965. case ANEG_STATE_LINK_OK:
  1966. ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
  1967. ret = ANEG_DONE;
  1968. break;
  1969. case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
  1970. /* ??? unimplemented */
  1971. break;
  1972. case ANEG_STATE_NEXT_PAGE_WAIT:
  1973. /* ??? unimplemented */
  1974. break;
  1975. default:
  1976. ret = ANEG_FAILED;
  1977. break;
  1978. };
  1979. return ret;
  1980. }
  1981. static int fiber_autoneg(struct tg3 *tp, u32 *flags)
  1982. {
  1983. int res = 0;
  1984. struct tg3_fiber_aneginfo aninfo;
  1985. int status = ANEG_FAILED;
  1986. unsigned int tick;
  1987. u32 tmp;
  1988. tw32_f(MAC_TX_AUTO_NEG, 0);
  1989. tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
  1990. tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
  1991. udelay(40);
  1992. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
  1993. udelay(40);
  1994. memset(&aninfo, 0, sizeof(aninfo));
  1995. aninfo.flags |= MR_AN_ENABLE;
  1996. aninfo.state = ANEG_STATE_UNKNOWN;
  1997. aninfo.cur_time = 0;
  1998. tick = 0;
  1999. while (++tick < 195000) {
  2000. status = tg3_fiber_aneg_smachine(tp, &aninfo);
  2001. if (status == ANEG_DONE || status == ANEG_FAILED)
  2002. break;
  2003. udelay(1);
  2004. }
  2005. tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
  2006. tw32_f(MAC_MODE, tp->mac_mode);
  2007. udelay(40);
  2008. *flags = aninfo.flags;
  2009. if (status == ANEG_DONE &&
  2010. (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
  2011. MR_LP_ADV_FULL_DUPLEX)))
  2012. res = 1;
  2013. return res;
  2014. }
  2015. static void tg3_init_bcm8002(struct tg3 *tp)
  2016. {
  2017. u32 mac_status = tr32(MAC_STATUS);
  2018. int i;
  2019. /* Reset when initting first time or we have a link. */
  2020. if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
  2021. !(mac_status & MAC_STATUS_PCS_SYNCED))
  2022. return;
  2023. /* Set PLL lock range. */
  2024. tg3_writephy(tp, 0x16, 0x8007);
  2025. /* SW reset */
  2026. tg3_writephy(tp, MII_BMCR, BMCR_RESET);
  2027. /* Wait for reset to complete. */
  2028. /* XXX schedule_timeout() ... */
  2029. for (i = 0; i < 500; i++)
  2030. udelay(10);
  2031. /* Config mode; select PMA/Ch 1 regs. */
  2032. tg3_writephy(tp, 0x10, 0x8411);
  2033. /* Enable auto-lock and comdet, select txclk for tx. */
  2034. tg3_writephy(tp, 0x11, 0x0a10);
  2035. tg3_writephy(tp, 0x18, 0x00a0);
  2036. tg3_writephy(tp, 0x16, 0x41ff);
  2037. /* Assert and deassert POR. */
  2038. tg3_writephy(tp, 0x13, 0x0400);
  2039. udelay(40);
  2040. tg3_writephy(tp, 0x13, 0x0000);
  2041. tg3_writephy(tp, 0x11, 0x0a50);
  2042. udelay(40);
  2043. tg3_writephy(tp, 0x11, 0x0a10);
  2044. /* Wait for signal to stabilize */
  2045. /* XXX schedule_timeout() ... */
  2046. for (i = 0; i < 15000; i++)
  2047. udelay(10);
  2048. /* Deselect the channel register so we can read the PHYID
  2049. * later.
  2050. */
  2051. tg3_writephy(tp, 0x10, 0x8011);
  2052. }
  2053. static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
  2054. {
  2055. u32 sg_dig_ctrl, sg_dig_status;
  2056. u32 serdes_cfg, expected_sg_dig_ctrl;
  2057. int workaround, port_a;
  2058. int current_link_up;
  2059. serdes_cfg = 0;
  2060. expected_sg_dig_ctrl = 0;
  2061. workaround = 0;
  2062. port_a = 1;
  2063. current_link_up = 0;
  2064. if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
  2065. tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
  2066. workaround = 1;
  2067. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  2068. port_a = 0;
  2069. /* preserve bits 0-11,13,14 for signal pre-emphasis */
  2070. /* preserve bits 20-23 for voltage regulator */
  2071. serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
  2072. }
  2073. sg_dig_ctrl = tr32(SG_DIG_CTRL);
  2074. if (tp->link_config.autoneg != AUTONEG_ENABLE) {
  2075. if (sg_dig_ctrl & (1 << 31)) {
  2076. if (workaround) {
  2077. u32 val = serdes_cfg;
  2078. if (port_a)
  2079. val |= 0xc010000;
  2080. else
  2081. val |= 0x4010000;
  2082. tw32_f(MAC_SERDES_CFG, val);
  2083. }
  2084. tw32_f(SG_DIG_CTRL, 0x01388400);
  2085. }
  2086. if (mac_status & MAC_STATUS_PCS_SYNCED) {
  2087. tg3_setup_flow_control(tp, 0, 0);
  2088. current_link_up = 1;
  2089. }
  2090. goto out;
  2091. }
  2092. /* Want auto-negotiation. */
  2093. expected_sg_dig_ctrl = 0x81388400;
  2094. /* Pause capability */
  2095. expected_sg_dig_ctrl |= (1 << 11);
  2096. /* Asymettric pause */
  2097. expected_sg_dig_ctrl |= (1 << 12);
  2098. if (sg_dig_ctrl != expected_sg_dig_ctrl) {
  2099. if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
  2100. tp->serdes_counter &&
  2101. ((mac_status & (MAC_STATUS_PCS_SYNCED |
  2102. MAC_STATUS_RCVD_CFG)) ==
  2103. MAC_STATUS_PCS_SYNCED)) {
  2104. tp->serdes_counter--;
  2105. current_link_up = 1;
  2106. goto out;
  2107. }
  2108. restart_autoneg:
  2109. if (workaround)
  2110. tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
  2111. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
  2112. udelay(5);
  2113. tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
  2114. tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
  2115. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2116. } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
  2117. MAC_STATUS_SIGNAL_DET)) {
  2118. sg_dig_status = tr32(SG_DIG_STATUS);
  2119. mac_status = tr32(MAC_STATUS);
  2120. if ((sg_dig_status & (1 << 1)) &&
  2121. (mac_status & MAC_STATUS_PCS_SYNCED)) {
  2122. u32 local_adv, remote_adv;
  2123. local_adv = ADVERTISE_PAUSE_CAP;
  2124. remote_adv = 0;
  2125. if (sg_dig_status & (1 << 19))
  2126. remote_adv |= LPA_PAUSE_CAP;
  2127. if (sg_dig_status & (1 << 20))
  2128. remote_adv |= LPA_PAUSE_ASYM;
  2129. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2130. current_link_up = 1;
  2131. tp->serdes_counter = 0;
  2132. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2133. } else if (!(sg_dig_status & (1 << 1))) {
  2134. if (tp->serdes_counter)
  2135. tp->serdes_counter--;
  2136. else {
  2137. if (workaround) {
  2138. u32 val = serdes_cfg;
  2139. if (port_a)
  2140. val |= 0xc010000;
  2141. else
  2142. val |= 0x4010000;
  2143. tw32_f(MAC_SERDES_CFG, val);
  2144. }
  2145. tw32_f(SG_DIG_CTRL, 0x01388400);
  2146. udelay(40);
  2147. /* Link parallel detection - link is up */
  2148. /* only if we have PCS_SYNC and not */
  2149. /* receiving config code words */
  2150. mac_status = tr32(MAC_STATUS);
  2151. if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
  2152. !(mac_status & MAC_STATUS_RCVD_CFG)) {
  2153. tg3_setup_flow_control(tp, 0, 0);
  2154. current_link_up = 1;
  2155. tp->tg3_flags2 |=
  2156. TG3_FLG2_PARALLEL_DETECT;
  2157. tp->serdes_counter =
  2158. SERDES_PARALLEL_DET_TIMEOUT;
  2159. } else
  2160. goto restart_autoneg;
  2161. }
  2162. }
  2163. } else {
  2164. tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
  2165. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2166. }
  2167. out:
  2168. return current_link_up;
  2169. }
  2170. static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
  2171. {
  2172. int current_link_up = 0;
  2173. if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
  2174. tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
  2175. goto out;
  2176. }
  2177. if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2178. u32 flags;
  2179. int i;
  2180. if (fiber_autoneg(tp, &flags)) {
  2181. u32 local_adv, remote_adv;
  2182. local_adv = ADVERTISE_PAUSE_CAP;
  2183. remote_adv = 0;
  2184. if (flags & MR_LP_ADV_SYM_PAUSE)
  2185. remote_adv |= LPA_PAUSE_CAP;
  2186. if (flags & MR_LP_ADV_ASYM_PAUSE)
  2187. remote_adv |= LPA_PAUSE_ASYM;
  2188. tg3_setup_flow_control(tp, local_adv, remote_adv);
  2189. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2190. current_link_up = 1;
  2191. }
  2192. for (i = 0; i < 30; i++) {
  2193. udelay(20);
  2194. tw32_f(MAC_STATUS,
  2195. (MAC_STATUS_SYNC_CHANGED |
  2196. MAC_STATUS_CFG_CHANGED));
  2197. udelay(40);
  2198. if ((tr32(MAC_STATUS) &
  2199. (MAC_STATUS_SYNC_CHANGED |
  2200. MAC_STATUS_CFG_CHANGED)) == 0)
  2201. break;
  2202. }
  2203. mac_status = tr32(MAC_STATUS);
  2204. if (current_link_up == 0 &&
  2205. (mac_status & MAC_STATUS_PCS_SYNCED) &&
  2206. !(mac_status & MAC_STATUS_RCVD_CFG))
  2207. current_link_up = 1;
  2208. } else {
  2209. /* Forcing 1000FD link up. */
  2210. current_link_up = 1;
  2211. tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
  2212. tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
  2213. udelay(40);
  2214. }
  2215. out:
  2216. return current_link_up;
  2217. }
  2218. static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
  2219. {
  2220. u32 orig_pause_cfg;
  2221. u16 orig_active_speed;
  2222. u8 orig_active_duplex;
  2223. u32 mac_status;
  2224. int current_link_up;
  2225. int i;
  2226. orig_pause_cfg =
  2227. (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2228. TG3_FLAG_TX_PAUSE));
  2229. orig_active_speed = tp->link_config.active_speed;
  2230. orig_active_duplex = tp->link_config.active_duplex;
  2231. if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
  2232. netif_carrier_ok(tp->dev) &&
  2233. (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
  2234. mac_status = tr32(MAC_STATUS);
  2235. mac_status &= (MAC_STATUS_PCS_SYNCED |
  2236. MAC_STATUS_SIGNAL_DET |
  2237. MAC_STATUS_CFG_CHANGED |
  2238. MAC_STATUS_RCVD_CFG);
  2239. if (mac_status == (MAC_STATUS_PCS_SYNCED |
  2240. MAC_STATUS_SIGNAL_DET)) {
  2241. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2242. MAC_STATUS_CFG_CHANGED));
  2243. return 0;
  2244. }
  2245. }
  2246. tw32_f(MAC_TX_AUTO_NEG, 0);
  2247. tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
  2248. tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
  2249. tw32_f(MAC_MODE, tp->mac_mode);
  2250. udelay(40);
  2251. if (tp->phy_id == PHY_ID_BCM8002)
  2252. tg3_init_bcm8002(tp);
  2253. /* Enable link change event even when serdes polling. */
  2254. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2255. udelay(40);
  2256. current_link_up = 0;
  2257. mac_status = tr32(MAC_STATUS);
  2258. if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
  2259. current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
  2260. else
  2261. current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
  2262. tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
  2263. tw32_f(MAC_MODE, tp->mac_mode);
  2264. udelay(40);
  2265. tp->hw_status->status =
  2266. (SD_STATUS_UPDATED |
  2267. (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
  2268. for (i = 0; i < 100; i++) {
  2269. tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
  2270. MAC_STATUS_CFG_CHANGED));
  2271. udelay(5);
  2272. if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
  2273. MAC_STATUS_CFG_CHANGED |
  2274. MAC_STATUS_LNKSTATE_CHANGED)) == 0)
  2275. break;
  2276. }
  2277. mac_status = tr32(MAC_STATUS);
  2278. if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
  2279. current_link_up = 0;
  2280. if (tp->link_config.autoneg == AUTONEG_ENABLE &&
  2281. tp->serdes_counter == 0) {
  2282. tw32_f(MAC_MODE, (tp->mac_mode |
  2283. MAC_MODE_SEND_CONFIGS));
  2284. udelay(1);
  2285. tw32_f(MAC_MODE, tp->mac_mode);
  2286. }
  2287. }
  2288. if (current_link_up == 1) {
  2289. tp->link_config.active_speed = SPEED_1000;
  2290. tp->link_config.active_duplex = DUPLEX_FULL;
  2291. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2292. LED_CTRL_LNKLED_OVERRIDE |
  2293. LED_CTRL_1000MBPS_ON));
  2294. } else {
  2295. tp->link_config.active_speed = SPEED_INVALID;
  2296. tp->link_config.active_duplex = DUPLEX_INVALID;
  2297. tw32(MAC_LED_CTRL, (tp->led_ctrl |
  2298. LED_CTRL_LNKLED_OVERRIDE |
  2299. LED_CTRL_TRAFFIC_OVERRIDE));
  2300. }
  2301. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2302. if (current_link_up)
  2303. netif_carrier_on(tp->dev);
  2304. else
  2305. netif_carrier_off(tp->dev);
  2306. tg3_link_report(tp);
  2307. } else {
  2308. u32 now_pause_cfg =
  2309. tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
  2310. TG3_FLAG_TX_PAUSE);
  2311. if (orig_pause_cfg != now_pause_cfg ||
  2312. orig_active_speed != tp->link_config.active_speed ||
  2313. orig_active_duplex != tp->link_config.active_duplex)
  2314. tg3_link_report(tp);
  2315. }
  2316. return 0;
  2317. }
  2318. static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
  2319. {
  2320. int current_link_up, err = 0;
  2321. u32 bmsr, bmcr;
  2322. u16 current_speed;
  2323. u8 current_duplex;
  2324. tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
  2325. tw32_f(MAC_MODE, tp->mac_mode);
  2326. udelay(40);
  2327. tw32(MAC_EVENT, 0);
  2328. tw32_f(MAC_STATUS,
  2329. (MAC_STATUS_SYNC_CHANGED |
  2330. MAC_STATUS_CFG_CHANGED |
  2331. MAC_STATUS_MI_COMPLETION |
  2332. MAC_STATUS_LNKSTATE_CHANGED));
  2333. udelay(40);
  2334. if (force_reset)
  2335. tg3_phy_reset(tp);
  2336. current_link_up = 0;
  2337. current_speed = SPEED_INVALID;
  2338. current_duplex = DUPLEX_INVALID;
  2339. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2340. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2341. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  2342. if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
  2343. bmsr |= BMSR_LSTATUS;
  2344. else
  2345. bmsr &= ~BMSR_LSTATUS;
  2346. }
  2347. err |= tg3_readphy(tp, MII_BMCR, &bmcr);
  2348. if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
  2349. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2350. /* do nothing, just check for link up at the end */
  2351. } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
  2352. u32 adv, new_adv;
  2353. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2354. new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
  2355. ADVERTISE_1000XPAUSE |
  2356. ADVERTISE_1000XPSE_ASYM |
  2357. ADVERTISE_SLCT);
  2358. /* Always advertise symmetric PAUSE just like copper */
  2359. new_adv |= ADVERTISE_1000XPAUSE;
  2360. if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
  2361. new_adv |= ADVERTISE_1000XHALF;
  2362. if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
  2363. new_adv |= ADVERTISE_1000XFULL;
  2364. if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
  2365. tg3_writephy(tp, MII_ADVERTISE, new_adv);
  2366. bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
  2367. tg3_writephy(tp, MII_BMCR, bmcr);
  2368. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2369. tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
  2370. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2371. return err;
  2372. }
  2373. } else {
  2374. u32 new_bmcr;
  2375. bmcr &= ~BMCR_SPEED1000;
  2376. new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
  2377. if (tp->link_config.duplex == DUPLEX_FULL)
  2378. new_bmcr |= BMCR_FULLDPLX;
  2379. if (new_bmcr != bmcr) {
  2380. /* BMCR_SPEED1000 is a reserved bit that needs
  2381. * to be set on write.
  2382. */
  2383. new_bmcr |= BMCR_SPEED1000;
  2384. /* Force a linkdown */
  2385. if (netif_carrier_ok(tp->dev)) {
  2386. u32 adv;
  2387. err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
  2388. adv &= ~(ADVERTISE_1000XFULL |
  2389. ADVERTISE_1000XHALF |
  2390. ADVERTISE_SLCT);
  2391. tg3_writephy(tp, MII_ADVERTISE, adv);
  2392. tg3_writephy(tp, MII_BMCR, bmcr |
  2393. BMCR_ANRESTART |
  2394. BMCR_ANENABLE);
  2395. udelay(10);
  2396. netif_carrier_off(tp->dev);
  2397. }
  2398. tg3_writephy(tp, MII_BMCR, new_bmcr);
  2399. bmcr = new_bmcr;
  2400. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2401. err |= tg3_readphy(tp, MII_BMSR, &bmsr);
  2402. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  2403. ASIC_REV_5714) {
  2404. if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
  2405. bmsr |= BMSR_LSTATUS;
  2406. else
  2407. bmsr &= ~BMSR_LSTATUS;
  2408. }
  2409. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2410. }
  2411. }
  2412. if (bmsr & BMSR_LSTATUS) {
  2413. current_speed = SPEED_1000;
  2414. current_link_up = 1;
  2415. if (bmcr & BMCR_FULLDPLX)
  2416. current_duplex = DUPLEX_FULL;
  2417. else
  2418. current_duplex = DUPLEX_HALF;
  2419. if (bmcr & BMCR_ANENABLE) {
  2420. u32 local_adv, remote_adv, common;
  2421. err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
  2422. err |= tg3_readphy(tp, MII_LPA, &remote_adv);
  2423. common = local_adv & remote_adv;
  2424. if (common & (ADVERTISE_1000XHALF |
  2425. ADVERTISE_1000XFULL)) {
  2426. if (common & ADVERTISE_1000XFULL)
  2427. current_duplex = DUPLEX_FULL;
  2428. else
  2429. current_duplex = DUPLEX_HALF;
  2430. tg3_setup_flow_control(tp, local_adv,
  2431. remote_adv);
  2432. }
  2433. else
  2434. current_link_up = 0;
  2435. }
  2436. }
  2437. tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
  2438. if (tp->link_config.active_duplex == DUPLEX_HALF)
  2439. tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
  2440. tw32_f(MAC_MODE, tp->mac_mode);
  2441. udelay(40);
  2442. tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
  2443. tp->link_config.active_speed = current_speed;
  2444. tp->link_config.active_duplex = current_duplex;
  2445. if (current_link_up != netif_carrier_ok(tp->dev)) {
  2446. if (current_link_up)
  2447. netif_carrier_on(tp->dev);
  2448. else {
  2449. netif_carrier_off(tp->dev);
  2450. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2451. }
  2452. tg3_link_report(tp);
  2453. }
  2454. return err;
  2455. }
  2456. static void tg3_serdes_parallel_detect(struct tg3 *tp)
  2457. {
  2458. if (tp->serdes_counter) {
  2459. /* Give autoneg time to complete. */
  2460. tp->serdes_counter--;
  2461. return;
  2462. }
  2463. if (!netif_carrier_ok(tp->dev) &&
  2464. (tp->link_config.autoneg == AUTONEG_ENABLE)) {
  2465. u32 bmcr;
  2466. tg3_readphy(tp, MII_BMCR, &bmcr);
  2467. if (bmcr & BMCR_ANENABLE) {
  2468. u32 phy1, phy2;
  2469. /* Select shadow register 0x1f */
  2470. tg3_writephy(tp, 0x1c, 0x7c00);
  2471. tg3_readphy(tp, 0x1c, &phy1);
  2472. /* Select expansion interrupt status register */
  2473. tg3_writephy(tp, 0x17, 0x0f01);
  2474. tg3_readphy(tp, 0x15, &phy2);
  2475. tg3_readphy(tp, 0x15, &phy2);
  2476. if ((phy1 & 0x10) && !(phy2 & 0x20)) {
  2477. /* We have signal detect and not receiving
  2478. * config code words, link is up by parallel
  2479. * detection.
  2480. */
  2481. bmcr &= ~BMCR_ANENABLE;
  2482. bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
  2483. tg3_writephy(tp, MII_BMCR, bmcr);
  2484. tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
  2485. }
  2486. }
  2487. }
  2488. else if (netif_carrier_ok(tp->dev) &&
  2489. (tp->link_config.autoneg == AUTONEG_ENABLE) &&
  2490. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
  2491. u32 phy2;
  2492. /* Select expansion interrupt status register */
  2493. tg3_writephy(tp, 0x17, 0x0f01);
  2494. tg3_readphy(tp, 0x15, &phy2);
  2495. if (phy2 & 0x20) {
  2496. u32 bmcr;
  2497. /* Config code words received, turn on autoneg. */
  2498. tg3_readphy(tp, MII_BMCR, &bmcr);
  2499. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
  2500. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  2501. }
  2502. }
  2503. }
  2504. static int tg3_setup_phy(struct tg3 *tp, int force_reset)
  2505. {
  2506. int err;
  2507. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  2508. err = tg3_setup_fiber_phy(tp, force_reset);
  2509. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  2510. err = tg3_setup_fiber_mii_phy(tp, force_reset);
  2511. } else {
  2512. err = tg3_setup_copper_phy(tp, force_reset);
  2513. }
  2514. if (tp->link_config.active_speed == SPEED_1000 &&
  2515. tp->link_config.active_duplex == DUPLEX_HALF)
  2516. tw32(MAC_TX_LENGTHS,
  2517. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2518. (6 << TX_LENGTHS_IPG_SHIFT) |
  2519. (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2520. else
  2521. tw32(MAC_TX_LENGTHS,
  2522. ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  2523. (6 << TX_LENGTHS_IPG_SHIFT) |
  2524. (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
  2525. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  2526. if (netif_carrier_ok(tp->dev)) {
  2527. tw32(HOSTCC_STAT_COAL_TICKS,
  2528. tp->coal.stats_block_coalesce_usecs);
  2529. } else {
  2530. tw32(HOSTCC_STAT_COAL_TICKS, 0);
  2531. }
  2532. }
  2533. return err;
  2534. }
  2535. /* This is called whenever we suspect that the system chipset is re-
  2536. * ordering the sequence of MMIO to the tx send mailbox. The symptom
  2537. * is bogus tx completions. We try to recover by setting the
  2538. * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
  2539. * in the workqueue.
  2540. */
  2541. static void tg3_tx_recover(struct tg3 *tp)
  2542. {
  2543. BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
  2544. tp->write32_tx_mbox == tg3_write_indirect_mbox);
  2545. printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
  2546. "mapped I/O cycles to the network device, attempting to "
  2547. "recover. Please report the problem to the driver maintainer "
  2548. "and include system chipset information.\n", tp->dev->name);
  2549. spin_lock(&tp->lock);
  2550. tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
  2551. spin_unlock(&tp->lock);
  2552. }
  2553. static inline u32 tg3_tx_avail(struct tg3 *tp)
  2554. {
  2555. smp_mb();
  2556. return (tp->tx_pending -
  2557. ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
  2558. }
  2559. /* Tigon3 never reports partial packet sends. So we do not
  2560. * need special logic to handle SKBs that have not had all
  2561. * of their frags sent yet, like SunGEM does.
  2562. */
  2563. static void tg3_tx(struct tg3 *tp)
  2564. {
  2565. u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
  2566. u32 sw_idx = tp->tx_cons;
  2567. while (sw_idx != hw_idx) {
  2568. struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
  2569. struct sk_buff *skb = ri->skb;
  2570. int i, tx_bug = 0;
  2571. if (unlikely(skb == NULL)) {
  2572. tg3_tx_recover(tp);
  2573. return;
  2574. }
  2575. pci_unmap_single(tp->pdev,
  2576. pci_unmap_addr(ri, mapping),
  2577. skb_headlen(skb),
  2578. PCI_DMA_TODEVICE);
  2579. ri->skb = NULL;
  2580. sw_idx = NEXT_TX(sw_idx);
  2581. for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
  2582. ri = &tp->tx_buffers[sw_idx];
  2583. if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
  2584. tx_bug = 1;
  2585. pci_unmap_page(tp->pdev,
  2586. pci_unmap_addr(ri, mapping),
  2587. skb_shinfo(skb)->frags[i].size,
  2588. PCI_DMA_TODEVICE);
  2589. sw_idx = NEXT_TX(sw_idx);
  2590. }
  2591. dev_kfree_skb(skb);
  2592. if (unlikely(tx_bug)) {
  2593. tg3_tx_recover(tp);
  2594. return;
  2595. }
  2596. }
  2597. tp->tx_cons = sw_idx;
  2598. /* Need to make the tx_cons update visible to tg3_start_xmit()
  2599. * before checking for netif_queue_stopped(). Without the
  2600. * memory barrier, there is a small possibility that tg3_start_xmit()
  2601. * will miss it and cause the queue to be stopped forever.
  2602. */
  2603. smp_mb();
  2604. if (unlikely(netif_queue_stopped(tp->dev) &&
  2605. (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
  2606. netif_tx_lock(tp->dev);
  2607. if (netif_queue_stopped(tp->dev) &&
  2608. (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
  2609. netif_wake_queue(tp->dev);
  2610. netif_tx_unlock(tp->dev);
  2611. }
  2612. }
  2613. /* Returns size of skb allocated or < 0 on error.
  2614. *
  2615. * We only need to fill in the address because the other members
  2616. * of the RX descriptor are invariant, see tg3_init_rings.
  2617. *
  2618. * Note the purposeful assymetry of cpu vs. chip accesses. For
  2619. * posting buffers we only dirty the first cache line of the RX
  2620. * descriptor (containing the address). Whereas for the RX status
  2621. * buffers the cpu only reads the last cacheline of the RX descriptor
  2622. * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  2623. */
  2624. static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
  2625. int src_idx, u32 dest_idx_unmasked)
  2626. {
  2627. struct tg3_rx_buffer_desc *desc;
  2628. struct ring_info *map, *src_map;
  2629. struct sk_buff *skb;
  2630. dma_addr_t mapping;
  2631. int skb_size, dest_idx;
  2632. src_map = NULL;
  2633. switch (opaque_key) {
  2634. case RXD_OPAQUE_RING_STD:
  2635. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2636. desc = &tp->rx_std[dest_idx];
  2637. map = &tp->rx_std_buffers[dest_idx];
  2638. if (src_idx >= 0)
  2639. src_map = &tp->rx_std_buffers[src_idx];
  2640. skb_size = tp->rx_pkt_buf_sz;
  2641. break;
  2642. case RXD_OPAQUE_RING_JUMBO:
  2643. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2644. desc = &tp->rx_jumbo[dest_idx];
  2645. map = &tp->rx_jumbo_buffers[dest_idx];
  2646. if (src_idx >= 0)
  2647. src_map = &tp->rx_jumbo_buffers[src_idx];
  2648. skb_size = RX_JUMBO_PKT_BUF_SZ;
  2649. break;
  2650. default:
  2651. return -EINVAL;
  2652. };
  2653. /* Do not overwrite any of the map or rp information
  2654. * until we are sure we can commit to a new buffer.
  2655. *
  2656. * Callers depend upon this behavior and assume that
  2657. * we leave everything unchanged if we fail.
  2658. */
  2659. skb = netdev_alloc_skb(tp->dev, skb_size);
  2660. if (skb == NULL)
  2661. return -ENOMEM;
  2662. skb_reserve(skb, tp->rx_offset);
  2663. mapping = pci_map_single(tp->pdev, skb->data,
  2664. skb_size - tp->rx_offset,
  2665. PCI_DMA_FROMDEVICE);
  2666. map->skb = skb;
  2667. pci_unmap_addr_set(map, mapping, mapping);
  2668. if (src_map != NULL)
  2669. src_map->skb = NULL;
  2670. desc->addr_hi = ((u64)mapping >> 32);
  2671. desc->addr_lo = ((u64)mapping & 0xffffffff);
  2672. return skb_size;
  2673. }
  2674. /* We only need to move over in the address because the other
  2675. * members of the RX descriptor are invariant. See notes above
  2676. * tg3_alloc_rx_skb for full details.
  2677. */
  2678. static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
  2679. int src_idx, u32 dest_idx_unmasked)
  2680. {
  2681. struct tg3_rx_buffer_desc *src_desc, *dest_desc;
  2682. struct ring_info *src_map, *dest_map;
  2683. int dest_idx;
  2684. switch (opaque_key) {
  2685. case RXD_OPAQUE_RING_STD:
  2686. dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
  2687. dest_desc = &tp->rx_std[dest_idx];
  2688. dest_map = &tp->rx_std_buffers[dest_idx];
  2689. src_desc = &tp->rx_std[src_idx];
  2690. src_map = &tp->rx_std_buffers[src_idx];
  2691. break;
  2692. case RXD_OPAQUE_RING_JUMBO:
  2693. dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
  2694. dest_desc = &tp->rx_jumbo[dest_idx];
  2695. dest_map = &tp->rx_jumbo_buffers[dest_idx];
  2696. src_desc = &tp->rx_jumbo[src_idx];
  2697. src_map = &tp->rx_jumbo_buffers[src_idx];
  2698. break;
  2699. default:
  2700. return;
  2701. };
  2702. dest_map->skb = src_map->skb;
  2703. pci_unmap_addr_set(dest_map, mapping,
  2704. pci_unmap_addr(src_map, mapping));
  2705. dest_desc->addr_hi = src_desc->addr_hi;
  2706. dest_desc->addr_lo = src_desc->addr_lo;
  2707. src_map->skb = NULL;
  2708. }
  2709. #if TG3_VLAN_TAG_USED
  2710. static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
  2711. {
  2712. return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
  2713. }
  2714. #endif
  2715. /* The RX ring scheme is composed of multiple rings which post fresh
  2716. * buffers to the chip, and one special ring the chip uses to report
  2717. * status back to the host.
  2718. *
  2719. * The special ring reports the status of received packets to the
  2720. * host. The chip does not write into the original descriptor the
  2721. * RX buffer was obtained from. The chip simply takes the original
  2722. * descriptor as provided by the host, updates the status and length
  2723. * field, then writes this into the next status ring entry.
  2724. *
  2725. * Each ring the host uses to post buffers to the chip is described
  2726. * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
  2727. * it is first placed into the on-chip ram. When the packet's length
  2728. * is known, it walks down the TG3_BDINFO entries to select the ring.
  2729. * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
  2730. * which is within the range of the new packet's length is chosen.
  2731. *
  2732. * The "separate ring for rx status" scheme may sound queer, but it makes
  2733. * sense from a cache coherency perspective. If only the host writes
  2734. * to the buffer post rings, and only the chip writes to the rx status
  2735. * rings, then cache lines never move beyond shared-modified state.
  2736. * If both the host and chip were to write into the same ring, cache line
  2737. * eviction could occur since both entities want it in an exclusive state.
  2738. */
  2739. static int tg3_rx(struct tg3 *tp, int budget)
  2740. {
  2741. u32 work_mask, rx_std_posted = 0;
  2742. u32 sw_idx = tp->rx_rcb_ptr;
  2743. u16 hw_idx;
  2744. int received;
  2745. hw_idx = tp->hw_status->idx[0].rx_producer;
  2746. /*
  2747. * We need to order the read of hw_idx and the read of
  2748. * the opaque cookie.
  2749. */
  2750. rmb();
  2751. work_mask = 0;
  2752. received = 0;
  2753. while (sw_idx != hw_idx && budget > 0) {
  2754. struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
  2755. unsigned int len;
  2756. struct sk_buff *skb;
  2757. dma_addr_t dma_addr;
  2758. u32 opaque_key, desc_idx, *post_ptr;
  2759. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  2760. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  2761. if (opaque_key == RXD_OPAQUE_RING_STD) {
  2762. dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
  2763. mapping);
  2764. skb = tp->rx_std_buffers[desc_idx].skb;
  2765. post_ptr = &tp->rx_std_ptr;
  2766. rx_std_posted++;
  2767. } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
  2768. dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
  2769. mapping);
  2770. skb = tp->rx_jumbo_buffers[desc_idx].skb;
  2771. post_ptr = &tp->rx_jumbo_ptr;
  2772. }
  2773. else {
  2774. goto next_pkt_nopost;
  2775. }
  2776. work_mask |= opaque_key;
  2777. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  2778. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
  2779. drop_it:
  2780. tg3_recycle_rx(tp, opaque_key,
  2781. desc_idx, *post_ptr);
  2782. drop_it_no_recycle:
  2783. /* Other statistics kept track of by card. */
  2784. tp->net_stats.rx_dropped++;
  2785. goto next_pkt;
  2786. }
  2787. len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
  2788. if (len > RX_COPY_THRESHOLD
  2789. && tp->rx_offset == 2
  2790. /* rx_offset != 2 iff this is a 5701 card running
  2791. * in PCI-X mode [see tg3_get_invariants()] */
  2792. ) {
  2793. int skb_size;
  2794. skb_size = tg3_alloc_rx_skb(tp, opaque_key,
  2795. desc_idx, *post_ptr);
  2796. if (skb_size < 0)
  2797. goto drop_it;
  2798. pci_unmap_single(tp->pdev, dma_addr,
  2799. skb_size - tp->rx_offset,
  2800. PCI_DMA_FROMDEVICE);
  2801. skb_put(skb, len);
  2802. } else {
  2803. struct sk_buff *copy_skb;
  2804. tg3_recycle_rx(tp, opaque_key,
  2805. desc_idx, *post_ptr);
  2806. copy_skb = netdev_alloc_skb(tp->dev, len + 2);
  2807. if (copy_skb == NULL)
  2808. goto drop_it_no_recycle;
  2809. skb_reserve(copy_skb, 2);
  2810. skb_put(copy_skb, len);
  2811. pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2812. memcpy(copy_skb->data, skb->data, len);
  2813. pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
  2814. /* We'll reuse the original ring buffer. */
  2815. skb = copy_skb;
  2816. }
  2817. if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
  2818. (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
  2819. (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
  2820. >> RXD_TCPCSUM_SHIFT) == 0xffff))
  2821. skb->ip_summed = CHECKSUM_UNNECESSARY;
  2822. else
  2823. skb->ip_summed = CHECKSUM_NONE;
  2824. skb->protocol = eth_type_trans(skb, tp->dev);
  2825. #if TG3_VLAN_TAG_USED
  2826. if (tp->vlgrp != NULL &&
  2827. desc->type_flags & RXD_FLAG_VLAN) {
  2828. tg3_vlan_rx(tp, skb,
  2829. desc->err_vlan & RXD_VLAN_MASK);
  2830. } else
  2831. #endif
  2832. netif_receive_skb(skb);
  2833. tp->dev->last_rx = jiffies;
  2834. received++;
  2835. budget--;
  2836. next_pkt:
  2837. (*post_ptr)++;
  2838. if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
  2839. u32 idx = *post_ptr % TG3_RX_RING_SIZE;
  2840. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
  2841. TG3_64BIT_REG_LOW, idx);
  2842. work_mask &= ~RXD_OPAQUE_RING_STD;
  2843. rx_std_posted = 0;
  2844. }
  2845. next_pkt_nopost:
  2846. sw_idx++;
  2847. sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
  2848. /* Refresh hw_idx to see if there is new work */
  2849. if (sw_idx == hw_idx) {
  2850. hw_idx = tp->hw_status->idx[0].rx_producer;
  2851. rmb();
  2852. }
  2853. }
  2854. /* ACK the status ring. */
  2855. tp->rx_rcb_ptr = sw_idx;
  2856. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
  2857. /* Refill RX ring(s). */
  2858. if (work_mask & RXD_OPAQUE_RING_STD) {
  2859. sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
  2860. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  2861. sw_idx);
  2862. }
  2863. if (work_mask & RXD_OPAQUE_RING_JUMBO) {
  2864. sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
  2865. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  2866. sw_idx);
  2867. }
  2868. mmiowb();
  2869. return received;
  2870. }
  2871. static int tg3_poll(struct net_device *netdev, int *budget)
  2872. {
  2873. struct tg3 *tp = netdev_priv(netdev);
  2874. struct tg3_hw_status *sblk = tp->hw_status;
  2875. int done;
  2876. /* handle link change and other phy events */
  2877. if (!(tp->tg3_flags &
  2878. (TG3_FLAG_USE_LINKCHG_REG |
  2879. TG3_FLAG_POLL_SERDES))) {
  2880. if (sblk->status & SD_STATUS_LINK_CHG) {
  2881. sblk->status = SD_STATUS_UPDATED |
  2882. (sblk->status & ~SD_STATUS_LINK_CHG);
  2883. spin_lock(&tp->lock);
  2884. tg3_setup_phy(tp, 0);
  2885. spin_unlock(&tp->lock);
  2886. }
  2887. }
  2888. /* run TX completion thread */
  2889. if (sblk->idx[0].tx_consumer != tp->tx_cons) {
  2890. tg3_tx(tp);
  2891. if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
  2892. netif_rx_complete(netdev);
  2893. schedule_work(&tp->reset_task);
  2894. return 0;
  2895. }
  2896. }
  2897. /* run RX thread, within the bounds set by NAPI.
  2898. * All RX "locking" is done by ensuring outside
  2899. * code synchronizes with dev->poll()
  2900. */
  2901. if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
  2902. int orig_budget = *budget;
  2903. int work_done;
  2904. if (orig_budget > netdev->quota)
  2905. orig_budget = netdev->quota;
  2906. work_done = tg3_rx(tp, orig_budget);
  2907. *budget -= work_done;
  2908. netdev->quota -= work_done;
  2909. }
  2910. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  2911. tp->last_tag = sblk->status_tag;
  2912. rmb();
  2913. } else
  2914. sblk->status &= ~SD_STATUS_UPDATED;
  2915. /* if no more work, tell net stack and NIC we're done */
  2916. done = !tg3_has_work(tp);
  2917. if (done) {
  2918. netif_rx_complete(netdev);
  2919. tg3_restart_ints(tp);
  2920. }
  2921. return (done ? 0 : 1);
  2922. }
  2923. static void tg3_irq_quiesce(struct tg3 *tp)
  2924. {
  2925. BUG_ON(tp->irq_sync);
  2926. tp->irq_sync = 1;
  2927. smp_mb();
  2928. synchronize_irq(tp->pdev->irq);
  2929. }
  2930. static inline int tg3_irq_sync(struct tg3 *tp)
  2931. {
  2932. return tp->irq_sync;
  2933. }
  2934. /* Fully shutdown all tg3 driver activity elsewhere in the system.
  2935. * If irq_sync is non-zero, then the IRQ handler must be synchronized
  2936. * with as well. Most of the time, this is not necessary except when
  2937. * shutting down the device.
  2938. */
  2939. static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
  2940. {
  2941. if (irq_sync)
  2942. tg3_irq_quiesce(tp);
  2943. spin_lock_bh(&tp->lock);
  2944. }
  2945. static inline void tg3_full_unlock(struct tg3 *tp)
  2946. {
  2947. spin_unlock_bh(&tp->lock);
  2948. }
  2949. /* One-shot MSI handler - Chip automatically disables interrupt
  2950. * after sending MSI so driver doesn't have to do it.
  2951. */
  2952. static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
  2953. {
  2954. struct net_device *dev = dev_id;
  2955. struct tg3 *tp = netdev_priv(dev);
  2956. prefetch(tp->hw_status);
  2957. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  2958. if (likely(!tg3_irq_sync(tp)))
  2959. netif_rx_schedule(dev); /* schedule NAPI poll */
  2960. return IRQ_HANDLED;
  2961. }
  2962. /* MSI ISR - No need to check for interrupt sharing and no need to
  2963. * flush status block and interrupt mailbox. PCI ordering rules
  2964. * guarantee that MSI will arrive after the status block.
  2965. */
  2966. static irqreturn_t tg3_msi(int irq, void *dev_id)
  2967. {
  2968. struct net_device *dev = dev_id;
  2969. struct tg3 *tp = netdev_priv(dev);
  2970. prefetch(tp->hw_status);
  2971. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  2972. /*
  2973. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2974. * chip-internal interrupt pending events.
  2975. * Writing non-zero to intr-mbox-0 additional tells the
  2976. * NIC to stop sending us irqs, engaging "in-intr-handler"
  2977. * event coalescing.
  2978. */
  2979. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
  2980. if (likely(!tg3_irq_sync(tp)))
  2981. netif_rx_schedule(dev); /* schedule NAPI poll */
  2982. return IRQ_RETVAL(1);
  2983. }
  2984. static irqreturn_t tg3_interrupt(int irq, void *dev_id)
  2985. {
  2986. struct net_device *dev = dev_id;
  2987. struct tg3 *tp = netdev_priv(dev);
  2988. struct tg3_hw_status *sblk = tp->hw_status;
  2989. unsigned int handled = 1;
  2990. /* In INTx mode, it is possible for the interrupt to arrive at
  2991. * the CPU before the status block posted prior to the interrupt.
  2992. * Reading the PCI State register will confirm whether the
  2993. * interrupt is ours and will flush the status block.
  2994. */
  2995. if ((sblk->status & SD_STATUS_UPDATED) ||
  2996. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  2997. /*
  2998. * Writing any value to intr-mbox-0 clears PCI INTA# and
  2999. * chip-internal interrupt pending events.
  3000. * Writing non-zero to intr-mbox-0 additional tells the
  3001. * NIC to stop sending us irqs, engaging "in-intr-handler"
  3002. * event coalescing.
  3003. */
  3004. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  3005. 0x00000001);
  3006. if (tg3_irq_sync(tp))
  3007. goto out;
  3008. sblk->status &= ~SD_STATUS_UPDATED;
  3009. if (likely(tg3_has_work(tp))) {
  3010. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3011. netif_rx_schedule(dev); /* schedule NAPI poll */
  3012. } else {
  3013. /* No work, shared interrupt perhaps? re-enable
  3014. * interrupts, and flush that PCI write
  3015. */
  3016. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  3017. 0x00000000);
  3018. }
  3019. } else { /* shared interrupt */
  3020. handled = 0;
  3021. }
  3022. out:
  3023. return IRQ_RETVAL(handled);
  3024. }
  3025. static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
  3026. {
  3027. struct net_device *dev = dev_id;
  3028. struct tg3 *tp = netdev_priv(dev);
  3029. struct tg3_hw_status *sblk = tp->hw_status;
  3030. unsigned int handled = 1;
  3031. /* In INTx mode, it is possible for the interrupt to arrive at
  3032. * the CPU before the status block posted prior to the interrupt.
  3033. * Reading the PCI State register will confirm whether the
  3034. * interrupt is ours and will flush the status block.
  3035. */
  3036. if ((sblk->status_tag != tp->last_tag) ||
  3037. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  3038. /*
  3039. * writing any value to intr-mbox-0 clears PCI INTA# and
  3040. * chip-internal interrupt pending events.
  3041. * writing non-zero to intr-mbox-0 additional tells the
  3042. * NIC to stop sending us irqs, engaging "in-intr-handler"
  3043. * event coalescing.
  3044. */
  3045. tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
  3046. 0x00000001);
  3047. if (tg3_irq_sync(tp))
  3048. goto out;
  3049. if (netif_rx_schedule_prep(dev)) {
  3050. prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
  3051. /* Update last_tag to mark that this status has been
  3052. * seen. Because interrupt may be shared, we may be
  3053. * racing with tg3_poll(), so only update last_tag
  3054. * if tg3_poll() is not scheduled.
  3055. */
  3056. tp->last_tag = sblk->status_tag;
  3057. __netif_rx_schedule(dev);
  3058. }
  3059. } else { /* shared interrupt */
  3060. handled = 0;
  3061. }
  3062. out:
  3063. return IRQ_RETVAL(handled);
  3064. }
  3065. /* ISR for interrupt test */
  3066. static irqreturn_t tg3_test_isr(int irq, void *dev_id)
  3067. {
  3068. struct net_device *dev = dev_id;
  3069. struct tg3 *tp = netdev_priv(dev);
  3070. struct tg3_hw_status *sblk = tp->hw_status;
  3071. if ((sblk->status & SD_STATUS_UPDATED) ||
  3072. !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
  3073. tg3_disable_ints(tp);
  3074. return IRQ_RETVAL(1);
  3075. }
  3076. return IRQ_RETVAL(0);
  3077. }
  3078. static int tg3_init_hw(struct tg3 *, int);
  3079. static int tg3_halt(struct tg3 *, int, int);
  3080. /* Restart hardware after configuration changes, self-test, etc.
  3081. * Invoked with tp->lock held.
  3082. */
  3083. static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
  3084. {
  3085. int err;
  3086. err = tg3_init_hw(tp, reset_phy);
  3087. if (err) {
  3088. printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
  3089. "aborting.\n", tp->dev->name);
  3090. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  3091. tg3_full_unlock(tp);
  3092. del_timer_sync(&tp->timer);
  3093. tp->irq_sync = 0;
  3094. netif_poll_enable(tp->dev);
  3095. dev_close(tp->dev);
  3096. tg3_full_lock(tp, 0);
  3097. }
  3098. return err;
  3099. }
  3100. #ifdef CONFIG_NET_POLL_CONTROLLER
  3101. static void tg3_poll_controller(struct net_device *dev)
  3102. {
  3103. struct tg3 *tp = netdev_priv(dev);
  3104. tg3_interrupt(tp->pdev->irq, dev);
  3105. }
  3106. #endif
  3107. static void tg3_reset_task(struct work_struct *work)
  3108. {
  3109. struct tg3 *tp = container_of(work, struct tg3, reset_task);
  3110. unsigned int restart_timer;
  3111. tg3_full_lock(tp, 0);
  3112. tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
  3113. if (!netif_running(tp->dev)) {
  3114. tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
  3115. tg3_full_unlock(tp);
  3116. return;
  3117. }
  3118. tg3_full_unlock(tp);
  3119. tg3_netif_stop(tp);
  3120. tg3_full_lock(tp, 1);
  3121. restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
  3122. tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
  3123. if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
  3124. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  3125. tp->write32_rx_mbox = tg3_write_flush_reg32;
  3126. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  3127. tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
  3128. }
  3129. tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
  3130. if (tg3_init_hw(tp, 1))
  3131. goto out;
  3132. tg3_netif_start(tp);
  3133. if (restart_timer)
  3134. mod_timer(&tp->timer, jiffies + 1);
  3135. out:
  3136. tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
  3137. tg3_full_unlock(tp);
  3138. }
  3139. static void tg3_tx_timeout(struct net_device *dev)
  3140. {
  3141. struct tg3 *tp = netdev_priv(dev);
  3142. if (netif_msg_tx_err(tp))
  3143. printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
  3144. dev->name);
  3145. schedule_work(&tp->reset_task);
  3146. }
  3147. /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
  3148. static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
  3149. {
  3150. u32 base = (u32) mapping & 0xffffffff;
  3151. return ((base > 0xffffdcc0) &&
  3152. (base + len + 8 < base));
  3153. }
  3154. /* Test for DMA addresses > 40-bit */
  3155. static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
  3156. int len)
  3157. {
  3158. #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
  3159. if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
  3160. return (((u64) mapping + len) > DMA_40BIT_MASK);
  3161. return 0;
  3162. #else
  3163. return 0;
  3164. #endif
  3165. }
  3166. static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
  3167. /* Workaround 4GB and 40-bit hardware DMA bugs. */
  3168. static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
  3169. u32 last_plus_one, u32 *start,
  3170. u32 base_flags, u32 mss)
  3171. {
  3172. struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
  3173. dma_addr_t new_addr = 0;
  3174. u32 entry = *start;
  3175. int i, ret = 0;
  3176. if (!new_skb) {
  3177. ret = -1;
  3178. } else {
  3179. /* New SKB is guaranteed to be linear. */
  3180. entry = *start;
  3181. new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
  3182. PCI_DMA_TODEVICE);
  3183. /* Make sure new skb does not cross any 4G boundaries.
  3184. * Drop the packet if it does.
  3185. */
  3186. if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
  3187. ret = -1;
  3188. dev_kfree_skb(new_skb);
  3189. new_skb = NULL;
  3190. } else {
  3191. tg3_set_txd(tp, entry, new_addr, new_skb->len,
  3192. base_flags, 1 | (mss << 1));
  3193. *start = NEXT_TX(entry);
  3194. }
  3195. }
  3196. /* Now clean up the sw ring entries. */
  3197. i = 0;
  3198. while (entry != last_plus_one) {
  3199. int len;
  3200. if (i == 0)
  3201. len = skb_headlen(skb);
  3202. else
  3203. len = skb_shinfo(skb)->frags[i-1].size;
  3204. pci_unmap_single(tp->pdev,
  3205. pci_unmap_addr(&tp->tx_buffers[entry], mapping),
  3206. len, PCI_DMA_TODEVICE);
  3207. if (i == 0) {
  3208. tp->tx_buffers[entry].skb = new_skb;
  3209. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
  3210. } else {
  3211. tp->tx_buffers[entry].skb = NULL;
  3212. }
  3213. entry = NEXT_TX(entry);
  3214. i++;
  3215. }
  3216. dev_kfree_skb(skb);
  3217. return ret;
  3218. }
  3219. static void tg3_set_txd(struct tg3 *tp, int entry,
  3220. dma_addr_t mapping, int len, u32 flags,
  3221. u32 mss_and_is_end)
  3222. {
  3223. struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
  3224. int is_end = (mss_and_is_end & 0x1);
  3225. u32 mss = (mss_and_is_end >> 1);
  3226. u32 vlan_tag = 0;
  3227. if (is_end)
  3228. flags |= TXD_FLAG_END;
  3229. if (flags & TXD_FLAG_VLAN) {
  3230. vlan_tag = flags >> 16;
  3231. flags &= 0xffff;
  3232. }
  3233. vlan_tag |= (mss << TXD_MSS_SHIFT);
  3234. txd->addr_hi = ((u64) mapping >> 32);
  3235. txd->addr_lo = ((u64) mapping & 0xffffffff);
  3236. txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
  3237. txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
  3238. }
  3239. /* hard_start_xmit for devices that don't have any bugs and
  3240. * support TG3_FLG2_HW_TSO_2 only.
  3241. */
  3242. static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
  3243. {
  3244. struct tg3 *tp = netdev_priv(dev);
  3245. dma_addr_t mapping;
  3246. u32 len, entry, base_flags, mss;
  3247. len = skb_headlen(skb);
  3248. /* We are running in BH disabled context with netif_tx_lock
  3249. * and TX reclaim runs via tp->poll inside of a software
  3250. * interrupt. Furthermore, IRQ processing runs lockless so we have
  3251. * no IRQ context deadlocks to worry about either. Rejoice!
  3252. */
  3253. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  3254. if (!netif_queue_stopped(dev)) {
  3255. netif_stop_queue(dev);
  3256. /* This is a hard error, log it. */
  3257. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
  3258. "queue awake!\n", dev->name);
  3259. }
  3260. return NETDEV_TX_BUSY;
  3261. }
  3262. entry = tp->tx_prod;
  3263. base_flags = 0;
  3264. #if TG3_TSO_SUPPORT != 0
  3265. mss = 0;
  3266. if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
  3267. (mss = skb_shinfo(skb)->gso_size) != 0) {
  3268. int tcp_opt_len, ip_tcp_len;
  3269. if (skb_header_cloned(skb) &&
  3270. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  3271. dev_kfree_skb(skb);
  3272. goto out_unlock;
  3273. }
  3274. if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
  3275. mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
  3276. else {
  3277. tcp_opt_len = ((skb->h.th->doff - 5) * 4);
  3278. ip_tcp_len = (skb->nh.iph->ihl * 4) +
  3279. sizeof(struct tcphdr);
  3280. skb->nh.iph->check = 0;
  3281. skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
  3282. tcp_opt_len);
  3283. mss |= (ip_tcp_len + tcp_opt_len) << 9;
  3284. }
  3285. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  3286. TXD_FLAG_CPU_POST_DMA);
  3287. skb->h.th->check = 0;
  3288. }
  3289. else if (skb->ip_summed == CHECKSUM_PARTIAL)
  3290. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  3291. #else
  3292. mss = 0;
  3293. if (skb->ip_summed == CHECKSUM_PARTIAL)
  3294. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  3295. #endif
  3296. #if TG3_VLAN_TAG_USED
  3297. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  3298. base_flags |= (TXD_FLAG_VLAN |
  3299. (vlan_tx_tag_get(skb) << 16));
  3300. #endif
  3301. /* Queue skb data, a.k.a. the main skb fragment. */
  3302. mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  3303. tp->tx_buffers[entry].skb = skb;
  3304. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3305. tg3_set_txd(tp, entry, mapping, len, base_flags,
  3306. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  3307. entry = NEXT_TX(entry);
  3308. /* Now loop through additional data fragments, and queue them. */
  3309. if (skb_shinfo(skb)->nr_frags > 0) {
  3310. unsigned int i, last;
  3311. last = skb_shinfo(skb)->nr_frags - 1;
  3312. for (i = 0; i <= last; i++) {
  3313. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  3314. len = frag->size;
  3315. mapping = pci_map_page(tp->pdev,
  3316. frag->page,
  3317. frag->page_offset,
  3318. len, PCI_DMA_TODEVICE);
  3319. tp->tx_buffers[entry].skb = NULL;
  3320. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3321. tg3_set_txd(tp, entry, mapping, len,
  3322. base_flags, (i == last) | (mss << 1));
  3323. entry = NEXT_TX(entry);
  3324. }
  3325. }
  3326. /* Packets are ready, update Tx producer idx local and on card. */
  3327. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  3328. tp->tx_prod = entry;
  3329. if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
  3330. netif_stop_queue(dev);
  3331. if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
  3332. netif_wake_queue(tp->dev);
  3333. }
  3334. out_unlock:
  3335. mmiowb();
  3336. dev->trans_start = jiffies;
  3337. return NETDEV_TX_OK;
  3338. }
  3339. #if TG3_TSO_SUPPORT != 0
  3340. static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
  3341. /* Use GSO to workaround a rare TSO bug that may be triggered when the
  3342. * TSO header is greater than 80 bytes.
  3343. */
  3344. static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
  3345. {
  3346. struct sk_buff *segs, *nskb;
  3347. /* Estimate the number of fragments in the worst case */
  3348. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
  3349. netif_stop_queue(tp->dev);
  3350. return NETDEV_TX_BUSY;
  3351. }
  3352. segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
  3353. if (unlikely(IS_ERR(segs)))
  3354. goto tg3_tso_bug_end;
  3355. do {
  3356. nskb = segs;
  3357. segs = segs->next;
  3358. nskb->next = NULL;
  3359. tg3_start_xmit_dma_bug(nskb, tp->dev);
  3360. } while (segs);
  3361. tg3_tso_bug_end:
  3362. dev_kfree_skb(skb);
  3363. return NETDEV_TX_OK;
  3364. }
  3365. #endif
  3366. /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
  3367. * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
  3368. */
  3369. static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
  3370. {
  3371. struct tg3 *tp = netdev_priv(dev);
  3372. dma_addr_t mapping;
  3373. u32 len, entry, base_flags, mss;
  3374. int would_hit_hwbug;
  3375. len = skb_headlen(skb);
  3376. /* We are running in BH disabled context with netif_tx_lock
  3377. * and TX reclaim runs via tp->poll inside of a software
  3378. * interrupt. Furthermore, IRQ processing runs lockless so we have
  3379. * no IRQ context deadlocks to worry about either. Rejoice!
  3380. */
  3381. if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
  3382. if (!netif_queue_stopped(dev)) {
  3383. netif_stop_queue(dev);
  3384. /* This is a hard error, log it. */
  3385. printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
  3386. "queue awake!\n", dev->name);
  3387. }
  3388. return NETDEV_TX_BUSY;
  3389. }
  3390. entry = tp->tx_prod;
  3391. base_flags = 0;
  3392. if (skb->ip_summed == CHECKSUM_PARTIAL)
  3393. base_flags |= TXD_FLAG_TCPUDP_CSUM;
  3394. #if TG3_TSO_SUPPORT != 0
  3395. mss = 0;
  3396. if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
  3397. (mss = skb_shinfo(skb)->gso_size) != 0) {
  3398. int tcp_opt_len, ip_tcp_len, hdr_len;
  3399. if (skb_header_cloned(skb) &&
  3400. pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
  3401. dev_kfree_skb(skb);
  3402. goto out_unlock;
  3403. }
  3404. tcp_opt_len = ((skb->h.th->doff - 5) * 4);
  3405. ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
  3406. hdr_len = ip_tcp_len + tcp_opt_len;
  3407. if (unlikely((ETH_HLEN + hdr_len) > 80) &&
  3408. (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
  3409. return (tg3_tso_bug(tp, skb));
  3410. base_flags |= (TXD_FLAG_CPU_PRE_DMA |
  3411. TXD_FLAG_CPU_POST_DMA);
  3412. skb->nh.iph->check = 0;
  3413. skb->nh.iph->tot_len = htons(mss + hdr_len);
  3414. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  3415. skb->h.th->check = 0;
  3416. base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
  3417. }
  3418. else {
  3419. skb->h.th->check =
  3420. ~csum_tcpudp_magic(skb->nh.iph->saddr,
  3421. skb->nh.iph->daddr,
  3422. 0, IPPROTO_TCP, 0);
  3423. }
  3424. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
  3425. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
  3426. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3427. int tsflags;
  3428. tsflags = ((skb->nh.iph->ihl - 5) +
  3429. (tcp_opt_len >> 2));
  3430. mss |= (tsflags << 11);
  3431. }
  3432. } else {
  3433. if (tcp_opt_len || skb->nh.iph->ihl > 5) {
  3434. int tsflags;
  3435. tsflags = ((skb->nh.iph->ihl - 5) +
  3436. (tcp_opt_len >> 2));
  3437. base_flags |= tsflags << 12;
  3438. }
  3439. }
  3440. }
  3441. #else
  3442. mss = 0;
  3443. #endif
  3444. #if TG3_VLAN_TAG_USED
  3445. if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
  3446. base_flags |= (TXD_FLAG_VLAN |
  3447. (vlan_tx_tag_get(skb) << 16));
  3448. #endif
  3449. /* Queue skb data, a.k.a. the main skb fragment. */
  3450. mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
  3451. tp->tx_buffers[entry].skb = skb;
  3452. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3453. would_hit_hwbug = 0;
  3454. if (tg3_4g_overflow_test(mapping, len))
  3455. would_hit_hwbug = 1;
  3456. tg3_set_txd(tp, entry, mapping, len, base_flags,
  3457. (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
  3458. entry = NEXT_TX(entry);
  3459. /* Now loop through additional data fragments, and queue them. */
  3460. if (skb_shinfo(skb)->nr_frags > 0) {
  3461. unsigned int i, last;
  3462. last = skb_shinfo(skb)->nr_frags - 1;
  3463. for (i = 0; i <= last; i++) {
  3464. skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
  3465. len = frag->size;
  3466. mapping = pci_map_page(tp->pdev,
  3467. frag->page,
  3468. frag->page_offset,
  3469. len, PCI_DMA_TODEVICE);
  3470. tp->tx_buffers[entry].skb = NULL;
  3471. pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
  3472. if (tg3_4g_overflow_test(mapping, len))
  3473. would_hit_hwbug = 1;
  3474. if (tg3_40bit_overflow_test(tp, mapping, len))
  3475. would_hit_hwbug = 1;
  3476. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  3477. tg3_set_txd(tp, entry, mapping, len,
  3478. base_flags, (i == last)|(mss << 1));
  3479. else
  3480. tg3_set_txd(tp, entry, mapping, len,
  3481. base_flags, (i == last));
  3482. entry = NEXT_TX(entry);
  3483. }
  3484. }
  3485. if (would_hit_hwbug) {
  3486. u32 last_plus_one = entry;
  3487. u32 start;
  3488. start = entry - 1 - skb_shinfo(skb)->nr_frags;
  3489. start &= (TG3_TX_RING_SIZE - 1);
  3490. /* If the workaround fails due to memory/mapping
  3491. * failure, silently drop this packet.
  3492. */
  3493. if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
  3494. &start, base_flags, mss))
  3495. goto out_unlock;
  3496. entry = start;
  3497. }
  3498. /* Packets are ready, update Tx producer idx local and on card. */
  3499. tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
  3500. tp->tx_prod = entry;
  3501. if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
  3502. netif_stop_queue(dev);
  3503. if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
  3504. netif_wake_queue(tp->dev);
  3505. }
  3506. out_unlock:
  3507. mmiowb();
  3508. dev->trans_start = jiffies;
  3509. return NETDEV_TX_OK;
  3510. }
  3511. static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
  3512. int new_mtu)
  3513. {
  3514. dev->mtu = new_mtu;
  3515. if (new_mtu > ETH_DATA_LEN) {
  3516. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  3517. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  3518. ethtool_op_set_tso(dev, 0);
  3519. }
  3520. else
  3521. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  3522. } else {
  3523. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  3524. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  3525. tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
  3526. }
  3527. }
  3528. static int tg3_change_mtu(struct net_device *dev, int new_mtu)
  3529. {
  3530. struct tg3 *tp = netdev_priv(dev);
  3531. int err;
  3532. if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
  3533. return -EINVAL;
  3534. if (!netif_running(dev)) {
  3535. /* We'll just catch it later when the
  3536. * device is up'd.
  3537. */
  3538. tg3_set_mtu(dev, tp, new_mtu);
  3539. return 0;
  3540. }
  3541. tg3_netif_stop(tp);
  3542. tg3_full_lock(tp, 1);
  3543. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  3544. tg3_set_mtu(dev, tp, new_mtu);
  3545. err = tg3_restart_hw(tp, 0);
  3546. if (!err)
  3547. tg3_netif_start(tp);
  3548. tg3_full_unlock(tp);
  3549. return err;
  3550. }
  3551. /* Free up pending packets in all rx/tx rings.
  3552. *
  3553. * The chip has been shut down and the driver detached from
  3554. * the networking, so no interrupts or new tx packets will
  3555. * end up in the driver. tp->{tx,}lock is not held and we are not
  3556. * in an interrupt context and thus may sleep.
  3557. */
  3558. static void tg3_free_rings(struct tg3 *tp)
  3559. {
  3560. struct ring_info *rxp;
  3561. int i;
  3562. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3563. rxp = &tp->rx_std_buffers[i];
  3564. if (rxp->skb == NULL)
  3565. continue;
  3566. pci_unmap_single(tp->pdev,
  3567. pci_unmap_addr(rxp, mapping),
  3568. tp->rx_pkt_buf_sz - tp->rx_offset,
  3569. PCI_DMA_FROMDEVICE);
  3570. dev_kfree_skb_any(rxp->skb);
  3571. rxp->skb = NULL;
  3572. }
  3573. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3574. rxp = &tp->rx_jumbo_buffers[i];
  3575. if (rxp->skb == NULL)
  3576. continue;
  3577. pci_unmap_single(tp->pdev,
  3578. pci_unmap_addr(rxp, mapping),
  3579. RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
  3580. PCI_DMA_FROMDEVICE);
  3581. dev_kfree_skb_any(rxp->skb);
  3582. rxp->skb = NULL;
  3583. }
  3584. for (i = 0; i < TG3_TX_RING_SIZE; ) {
  3585. struct tx_ring_info *txp;
  3586. struct sk_buff *skb;
  3587. int j;
  3588. txp = &tp->tx_buffers[i];
  3589. skb = txp->skb;
  3590. if (skb == NULL) {
  3591. i++;
  3592. continue;
  3593. }
  3594. pci_unmap_single(tp->pdev,
  3595. pci_unmap_addr(txp, mapping),
  3596. skb_headlen(skb),
  3597. PCI_DMA_TODEVICE);
  3598. txp->skb = NULL;
  3599. i++;
  3600. for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
  3601. txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
  3602. pci_unmap_page(tp->pdev,
  3603. pci_unmap_addr(txp, mapping),
  3604. skb_shinfo(skb)->frags[j].size,
  3605. PCI_DMA_TODEVICE);
  3606. i++;
  3607. }
  3608. dev_kfree_skb_any(skb);
  3609. }
  3610. }
  3611. /* Initialize tx/rx rings for packet processing.
  3612. *
  3613. * The chip has been shut down and the driver detached from
  3614. * the networking, so no interrupts or new tx packets will
  3615. * end up in the driver. tp->{tx,}lock are held and thus
  3616. * we may not sleep.
  3617. */
  3618. static int tg3_init_rings(struct tg3 *tp)
  3619. {
  3620. u32 i;
  3621. /* Free up all the SKBs. */
  3622. tg3_free_rings(tp);
  3623. /* Zero out all descriptors. */
  3624. memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
  3625. memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
  3626. memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
  3627. memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
  3628. tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
  3629. if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
  3630. (tp->dev->mtu > ETH_DATA_LEN))
  3631. tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
  3632. /* Initialize invariants of the rings, we only set this
  3633. * stuff once. This works because the card does not
  3634. * write into the rx buffer posting rings.
  3635. */
  3636. for (i = 0; i < TG3_RX_RING_SIZE; i++) {
  3637. struct tg3_rx_buffer_desc *rxd;
  3638. rxd = &tp->rx_std[i];
  3639. rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
  3640. << RXD_LEN_SHIFT;
  3641. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
  3642. rxd->opaque = (RXD_OPAQUE_RING_STD |
  3643. (i << RXD_OPAQUE_INDEX_SHIFT));
  3644. }
  3645. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3646. for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
  3647. struct tg3_rx_buffer_desc *rxd;
  3648. rxd = &tp->rx_jumbo[i];
  3649. rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
  3650. << RXD_LEN_SHIFT;
  3651. rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
  3652. RXD_FLAG_JUMBO;
  3653. rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
  3654. (i << RXD_OPAQUE_INDEX_SHIFT));
  3655. }
  3656. }
  3657. /* Now allocate fresh SKBs for each rx ring. */
  3658. for (i = 0; i < tp->rx_pending; i++) {
  3659. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
  3660. printk(KERN_WARNING PFX
  3661. "%s: Using a smaller RX standard ring, "
  3662. "only %d out of %d buffers were allocated "
  3663. "successfully.\n",
  3664. tp->dev->name, i, tp->rx_pending);
  3665. if (i == 0)
  3666. return -ENOMEM;
  3667. tp->rx_pending = i;
  3668. break;
  3669. }
  3670. }
  3671. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  3672. for (i = 0; i < tp->rx_jumbo_pending; i++) {
  3673. if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
  3674. -1, i) < 0) {
  3675. printk(KERN_WARNING PFX
  3676. "%s: Using a smaller RX jumbo ring, "
  3677. "only %d out of %d buffers were "
  3678. "allocated successfully.\n",
  3679. tp->dev->name, i, tp->rx_jumbo_pending);
  3680. if (i == 0) {
  3681. tg3_free_rings(tp);
  3682. return -ENOMEM;
  3683. }
  3684. tp->rx_jumbo_pending = i;
  3685. break;
  3686. }
  3687. }
  3688. }
  3689. return 0;
  3690. }
  3691. /*
  3692. * Must not be invoked with interrupt sources disabled and
  3693. * the hardware shutdown down.
  3694. */
  3695. static void tg3_free_consistent(struct tg3 *tp)
  3696. {
  3697. kfree(tp->rx_std_buffers);
  3698. tp->rx_std_buffers = NULL;
  3699. if (tp->rx_std) {
  3700. pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3701. tp->rx_std, tp->rx_std_mapping);
  3702. tp->rx_std = NULL;
  3703. }
  3704. if (tp->rx_jumbo) {
  3705. pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3706. tp->rx_jumbo, tp->rx_jumbo_mapping);
  3707. tp->rx_jumbo = NULL;
  3708. }
  3709. if (tp->rx_rcb) {
  3710. pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3711. tp->rx_rcb, tp->rx_rcb_mapping);
  3712. tp->rx_rcb = NULL;
  3713. }
  3714. if (tp->tx_ring) {
  3715. pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3716. tp->tx_ring, tp->tx_desc_mapping);
  3717. tp->tx_ring = NULL;
  3718. }
  3719. if (tp->hw_status) {
  3720. pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
  3721. tp->hw_status, tp->status_mapping);
  3722. tp->hw_status = NULL;
  3723. }
  3724. if (tp->hw_stats) {
  3725. pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
  3726. tp->hw_stats, tp->stats_mapping);
  3727. tp->hw_stats = NULL;
  3728. }
  3729. }
  3730. /*
  3731. * Must not be invoked with interrupt sources disabled and
  3732. * the hardware shutdown down. Can sleep.
  3733. */
  3734. static int tg3_alloc_consistent(struct tg3 *tp)
  3735. {
  3736. tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
  3737. (TG3_RX_RING_SIZE +
  3738. TG3_RX_JUMBO_RING_SIZE)) +
  3739. (sizeof(struct tx_ring_info) *
  3740. TG3_TX_RING_SIZE),
  3741. GFP_KERNEL);
  3742. if (!tp->rx_std_buffers)
  3743. return -ENOMEM;
  3744. tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
  3745. tp->tx_buffers = (struct tx_ring_info *)
  3746. &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
  3747. tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
  3748. &tp->rx_std_mapping);
  3749. if (!tp->rx_std)
  3750. goto err_out;
  3751. tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
  3752. &tp->rx_jumbo_mapping);
  3753. if (!tp->rx_jumbo)
  3754. goto err_out;
  3755. tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
  3756. &tp->rx_rcb_mapping);
  3757. if (!tp->rx_rcb)
  3758. goto err_out;
  3759. tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
  3760. &tp->tx_desc_mapping);
  3761. if (!tp->tx_ring)
  3762. goto err_out;
  3763. tp->hw_status = pci_alloc_consistent(tp->pdev,
  3764. TG3_HW_STATUS_SIZE,
  3765. &tp->status_mapping);
  3766. if (!tp->hw_status)
  3767. goto err_out;
  3768. tp->hw_stats = pci_alloc_consistent(tp->pdev,
  3769. sizeof(struct tg3_hw_stats),
  3770. &tp->stats_mapping);
  3771. if (!tp->hw_stats)
  3772. goto err_out;
  3773. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3774. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3775. return 0;
  3776. err_out:
  3777. tg3_free_consistent(tp);
  3778. return -ENOMEM;
  3779. }
  3780. #define MAX_WAIT_CNT 1000
  3781. /* To stop a block, clear the enable bit and poll till it
  3782. * clears. tp->lock is held.
  3783. */
  3784. static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
  3785. {
  3786. unsigned int i;
  3787. u32 val;
  3788. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  3789. switch (ofs) {
  3790. case RCVLSC_MODE:
  3791. case DMAC_MODE:
  3792. case MBFREE_MODE:
  3793. case BUFMGR_MODE:
  3794. case MEMARB_MODE:
  3795. /* We can't enable/disable these bits of the
  3796. * 5705/5750, just say success.
  3797. */
  3798. return 0;
  3799. default:
  3800. break;
  3801. };
  3802. }
  3803. val = tr32(ofs);
  3804. val &= ~enable_bit;
  3805. tw32_f(ofs, val);
  3806. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3807. udelay(100);
  3808. val = tr32(ofs);
  3809. if ((val & enable_bit) == 0)
  3810. break;
  3811. }
  3812. if (i == MAX_WAIT_CNT && !silent) {
  3813. printk(KERN_ERR PFX "tg3_stop_block timed out, "
  3814. "ofs=%lx enable_bit=%x\n",
  3815. ofs, enable_bit);
  3816. return -ENODEV;
  3817. }
  3818. return 0;
  3819. }
  3820. /* tp->lock is held. */
  3821. static int tg3_abort_hw(struct tg3 *tp, int silent)
  3822. {
  3823. int i, err;
  3824. tg3_disable_ints(tp);
  3825. tp->rx_mode &= ~RX_MODE_ENABLE;
  3826. tw32_f(MAC_RX_MODE, tp->rx_mode);
  3827. udelay(10);
  3828. err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
  3829. err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
  3830. err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
  3831. err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
  3832. err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
  3833. err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
  3834. err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
  3835. err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
  3836. err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
  3837. err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
  3838. err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
  3839. err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
  3840. err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
  3841. tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
  3842. tw32_f(MAC_MODE, tp->mac_mode);
  3843. udelay(40);
  3844. tp->tx_mode &= ~TX_MODE_ENABLE;
  3845. tw32_f(MAC_TX_MODE, tp->tx_mode);
  3846. for (i = 0; i < MAX_WAIT_CNT; i++) {
  3847. udelay(100);
  3848. if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
  3849. break;
  3850. }
  3851. if (i >= MAX_WAIT_CNT) {
  3852. printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
  3853. "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
  3854. tp->dev->name, tr32(MAC_TX_MODE));
  3855. err |= -ENODEV;
  3856. }
  3857. err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
  3858. err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
  3859. err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
  3860. tw32(FTQ_RESET, 0xffffffff);
  3861. tw32(FTQ_RESET, 0x00000000);
  3862. err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
  3863. err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
  3864. if (tp->hw_status)
  3865. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  3866. if (tp->hw_stats)
  3867. memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
  3868. return err;
  3869. }
  3870. /* tp->lock is held. */
  3871. static int tg3_nvram_lock(struct tg3 *tp)
  3872. {
  3873. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  3874. int i;
  3875. if (tp->nvram_lock_cnt == 0) {
  3876. tw32(NVRAM_SWARB, SWARB_REQ_SET1);
  3877. for (i = 0; i < 8000; i++) {
  3878. if (tr32(NVRAM_SWARB) & SWARB_GNT1)
  3879. break;
  3880. udelay(20);
  3881. }
  3882. if (i == 8000) {
  3883. tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
  3884. return -ENODEV;
  3885. }
  3886. }
  3887. tp->nvram_lock_cnt++;
  3888. }
  3889. return 0;
  3890. }
  3891. /* tp->lock is held. */
  3892. static void tg3_nvram_unlock(struct tg3 *tp)
  3893. {
  3894. if (tp->tg3_flags & TG3_FLAG_NVRAM) {
  3895. if (tp->nvram_lock_cnt > 0)
  3896. tp->nvram_lock_cnt--;
  3897. if (tp->nvram_lock_cnt == 0)
  3898. tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
  3899. }
  3900. }
  3901. /* tp->lock is held. */
  3902. static void tg3_enable_nvram_access(struct tg3 *tp)
  3903. {
  3904. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3905. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3906. u32 nvaccess = tr32(NVRAM_ACCESS);
  3907. tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
  3908. }
  3909. }
  3910. /* tp->lock is held. */
  3911. static void tg3_disable_nvram_access(struct tg3 *tp)
  3912. {
  3913. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  3914. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
  3915. u32 nvaccess = tr32(NVRAM_ACCESS);
  3916. tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
  3917. }
  3918. }
  3919. /* tp->lock is held. */
  3920. static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
  3921. {
  3922. tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
  3923. NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
  3924. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3925. switch (kind) {
  3926. case RESET_KIND_INIT:
  3927. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3928. DRV_STATE_START);
  3929. break;
  3930. case RESET_KIND_SHUTDOWN:
  3931. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3932. DRV_STATE_UNLOAD);
  3933. break;
  3934. case RESET_KIND_SUSPEND:
  3935. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3936. DRV_STATE_SUSPEND);
  3937. break;
  3938. default:
  3939. break;
  3940. };
  3941. }
  3942. }
  3943. /* tp->lock is held. */
  3944. static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
  3945. {
  3946. if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
  3947. switch (kind) {
  3948. case RESET_KIND_INIT:
  3949. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3950. DRV_STATE_START_DONE);
  3951. break;
  3952. case RESET_KIND_SHUTDOWN:
  3953. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3954. DRV_STATE_UNLOAD_DONE);
  3955. break;
  3956. default:
  3957. break;
  3958. };
  3959. }
  3960. }
  3961. /* tp->lock is held. */
  3962. static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
  3963. {
  3964. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  3965. switch (kind) {
  3966. case RESET_KIND_INIT:
  3967. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3968. DRV_STATE_START);
  3969. break;
  3970. case RESET_KIND_SHUTDOWN:
  3971. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3972. DRV_STATE_UNLOAD);
  3973. break;
  3974. case RESET_KIND_SUSPEND:
  3975. tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
  3976. DRV_STATE_SUSPEND);
  3977. break;
  3978. default:
  3979. break;
  3980. };
  3981. }
  3982. }
  3983. static int tg3_poll_fw(struct tg3 *tp)
  3984. {
  3985. int i;
  3986. u32 val;
  3987. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  3988. /* Wait up to 20ms for init done. */
  3989. for (i = 0; i < 200; i++) {
  3990. if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
  3991. return 0;
  3992. udelay(100);
  3993. }
  3994. return -ENODEV;
  3995. }
  3996. /* Wait for firmware initialization to complete. */
  3997. for (i = 0; i < 100000; i++) {
  3998. tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
  3999. if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
  4000. break;
  4001. udelay(10);
  4002. }
  4003. /* Chip might not be fitted with firmware. Some Sun onboard
  4004. * parts are configured like that. So don't signal the timeout
  4005. * of the above loop as an error, but do report the lack of
  4006. * running firmware once.
  4007. */
  4008. if (i >= 100000 &&
  4009. !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
  4010. tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
  4011. printk(KERN_INFO PFX "%s: No firmware running.\n",
  4012. tp->dev->name);
  4013. }
  4014. return 0;
  4015. }
  4016. static void tg3_stop_fw(struct tg3 *);
  4017. /* tp->lock is held. */
  4018. static int tg3_chip_reset(struct tg3 *tp)
  4019. {
  4020. u32 val;
  4021. void (*write_op)(struct tg3 *, u32, u32);
  4022. int err;
  4023. tg3_nvram_lock(tp);
  4024. /* No matching tg3_nvram_unlock() after this because
  4025. * chip reset below will undo the nvram lock.
  4026. */
  4027. tp->nvram_lock_cnt = 0;
  4028. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  4029. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  4030. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  4031. tw32(GRC_FASTBOOT_PC, 0);
  4032. /*
  4033. * We must avoid the readl() that normally takes place.
  4034. * It locks machines, causes machine checks, and other
  4035. * fun things. So, temporarily disable the 5701
  4036. * hardware workaround, while we do the reset.
  4037. */
  4038. write_op = tp->write32;
  4039. if (write_op == tg3_write_flush_reg32)
  4040. tp->write32 = tg3_write32;
  4041. /* do the reset */
  4042. val = GRC_MISC_CFG_CORECLK_RESET;
  4043. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  4044. if (tr32(0x7e2c) == 0x60) {
  4045. tw32(0x7e2c, 0x20);
  4046. }
  4047. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  4048. tw32(GRC_MISC_CFG, (1 << 29));
  4049. val |= (1 << 29);
  4050. }
  4051. }
  4052. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  4053. tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
  4054. tw32(GRC_VCPU_EXT_CTRL,
  4055. tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
  4056. }
  4057. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4058. val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
  4059. tw32(GRC_MISC_CFG, val);
  4060. /* restore 5701 hardware bug workaround write method */
  4061. tp->write32 = write_op;
  4062. /* Unfortunately, we have to delay before the PCI read back.
  4063. * Some 575X chips even will not respond to a PCI cfg access
  4064. * when the reset command is given to the chip.
  4065. *
  4066. * How do these hardware designers expect things to work
  4067. * properly if the PCI write is posted for a long period
  4068. * of time? It is always necessary to have some method by
  4069. * which a register read back can occur to push the write
  4070. * out which does the reset.
  4071. *
  4072. * For most tg3 variants the trick below was working.
  4073. * Ho hum...
  4074. */
  4075. udelay(120);
  4076. /* Flush PCI posted writes. The normal MMIO registers
  4077. * are inaccessible at this time so this is the only
  4078. * way to make this reliably (actually, this is no longer
  4079. * the case, see above). I tried to use indirect
  4080. * register read/write but this upset some 5701 variants.
  4081. */
  4082. pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
  4083. udelay(120);
  4084. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  4085. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
  4086. int i;
  4087. u32 cfg_val;
  4088. /* Wait for link training to complete. */
  4089. for (i = 0; i < 5000; i++)
  4090. udelay(100);
  4091. pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
  4092. pci_write_config_dword(tp->pdev, 0xc4,
  4093. cfg_val | (1 << 15));
  4094. }
  4095. /* Set PCIE max payload size and clear error status. */
  4096. pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
  4097. }
  4098. /* Re-enable indirect register accesses. */
  4099. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  4100. tp->misc_host_ctrl);
  4101. /* Set MAX PCI retry to zero. */
  4102. val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
  4103. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  4104. (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
  4105. val |= PCISTATE_RETRY_SAME_DMA;
  4106. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
  4107. pci_restore_state(tp->pdev);
  4108. /* Make sure PCI-X relaxed ordering bit is clear. */
  4109. pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
  4110. val &= ~PCIX_CAPS_RELAXED_ORDERING;
  4111. pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
  4112. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
  4113. u32 val;
  4114. /* Chip reset on 5780 will reset MSI enable bit,
  4115. * so need to restore it.
  4116. */
  4117. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  4118. u16 ctrl;
  4119. pci_read_config_word(tp->pdev,
  4120. tp->msi_cap + PCI_MSI_FLAGS,
  4121. &ctrl);
  4122. pci_write_config_word(tp->pdev,
  4123. tp->msi_cap + PCI_MSI_FLAGS,
  4124. ctrl | PCI_MSI_FLAGS_ENABLE);
  4125. val = tr32(MSGINT_MODE);
  4126. tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
  4127. }
  4128. val = tr32(MEMARB_MODE);
  4129. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  4130. } else
  4131. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  4132. if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
  4133. tg3_stop_fw(tp);
  4134. tw32(0x5000, 0x400);
  4135. }
  4136. tw32(GRC_MODE, tp->grc_mode);
  4137. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
  4138. u32 val = tr32(0xc4);
  4139. tw32(0xc4, val | (1 << 15));
  4140. }
  4141. if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
  4142. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4143. tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
  4144. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
  4145. tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
  4146. tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  4147. }
  4148. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  4149. tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
  4150. tw32_f(MAC_MODE, tp->mac_mode);
  4151. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  4152. tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
  4153. tw32_f(MAC_MODE, tp->mac_mode);
  4154. } else
  4155. tw32_f(MAC_MODE, 0);
  4156. udelay(40);
  4157. err = tg3_poll_fw(tp);
  4158. if (err)
  4159. return err;
  4160. if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  4161. tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
  4162. u32 val = tr32(0x7c00);
  4163. tw32(0x7c00, val | (1 << 25));
  4164. }
  4165. /* Reprobe ASF enable state. */
  4166. tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
  4167. tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
  4168. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  4169. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  4170. u32 nic_cfg;
  4171. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  4172. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  4173. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  4174. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  4175. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  4176. }
  4177. }
  4178. return 0;
  4179. }
  4180. /* tp->lock is held. */
  4181. static void tg3_stop_fw(struct tg3 *tp)
  4182. {
  4183. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  4184. u32 val;
  4185. int i;
  4186. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
  4187. val = tr32(GRC_RX_CPU_EVENT);
  4188. val |= (1 << 14);
  4189. tw32(GRC_RX_CPU_EVENT, val);
  4190. /* Wait for RX cpu to ACK the event. */
  4191. for (i = 0; i < 100; i++) {
  4192. if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
  4193. break;
  4194. udelay(1);
  4195. }
  4196. }
  4197. }
  4198. /* tp->lock is held. */
  4199. static int tg3_halt(struct tg3 *tp, int kind, int silent)
  4200. {
  4201. int err;
  4202. tg3_stop_fw(tp);
  4203. tg3_write_sig_pre_reset(tp, kind);
  4204. tg3_abort_hw(tp, silent);
  4205. err = tg3_chip_reset(tp);
  4206. tg3_write_sig_legacy(tp, kind);
  4207. tg3_write_sig_post_reset(tp, kind);
  4208. if (err)
  4209. return err;
  4210. return 0;
  4211. }
  4212. #define TG3_FW_RELEASE_MAJOR 0x0
  4213. #define TG3_FW_RELASE_MINOR 0x0
  4214. #define TG3_FW_RELEASE_FIX 0x0
  4215. #define TG3_FW_START_ADDR 0x08000000
  4216. #define TG3_FW_TEXT_ADDR 0x08000000
  4217. #define TG3_FW_TEXT_LEN 0x9c0
  4218. #define TG3_FW_RODATA_ADDR 0x080009c0
  4219. #define TG3_FW_RODATA_LEN 0x60
  4220. #define TG3_FW_DATA_ADDR 0x08000a40
  4221. #define TG3_FW_DATA_LEN 0x20
  4222. #define TG3_FW_SBSS_ADDR 0x08000a60
  4223. #define TG3_FW_SBSS_LEN 0xc
  4224. #define TG3_FW_BSS_ADDR 0x08000a70
  4225. #define TG3_FW_BSS_LEN 0x10
  4226. static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
  4227. 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
  4228. 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
  4229. 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
  4230. 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
  4231. 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
  4232. 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
  4233. 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
  4234. 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
  4235. 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
  4236. 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
  4237. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
  4238. 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
  4239. 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
  4240. 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
  4241. 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
  4242. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  4243. 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
  4244. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
  4245. 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
  4246. 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  4247. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
  4248. 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
  4249. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  4250. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  4251. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  4252. 0, 0, 0, 0, 0, 0,
  4253. 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
  4254. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  4255. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  4256. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  4257. 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
  4258. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
  4259. 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
  4260. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
  4261. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  4262. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
  4263. 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
  4264. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  4265. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  4266. 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  4267. 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
  4268. 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
  4269. 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
  4270. 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
  4271. 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
  4272. 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
  4273. 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
  4274. 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
  4275. 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
  4276. 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
  4277. 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
  4278. 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
  4279. 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
  4280. 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
  4281. 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
  4282. 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
  4283. 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
  4284. 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
  4285. 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
  4286. 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
  4287. 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
  4288. 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
  4289. 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
  4290. 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
  4291. 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
  4292. 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
  4293. 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
  4294. 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
  4295. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
  4296. 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
  4297. 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
  4298. 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
  4299. 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
  4300. 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
  4301. 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
  4302. 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
  4303. 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
  4304. 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
  4305. 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
  4306. 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
  4307. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
  4308. 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
  4309. 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
  4310. 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
  4311. 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
  4312. 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
  4313. 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
  4314. 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
  4315. 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
  4316. 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
  4317. 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
  4318. };
  4319. static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
  4320. 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
  4321. 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
  4322. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  4323. 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
  4324. 0x00000000
  4325. };
  4326. #if 0 /* All zeros, don't eat up space with it. */
  4327. u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
  4328. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  4329. 0x00000000, 0x00000000, 0x00000000, 0x00000000
  4330. };
  4331. #endif
  4332. #define RX_CPU_SCRATCH_BASE 0x30000
  4333. #define RX_CPU_SCRATCH_SIZE 0x04000
  4334. #define TX_CPU_SCRATCH_BASE 0x34000
  4335. #define TX_CPU_SCRATCH_SIZE 0x04000
  4336. /* tp->lock is held. */
  4337. static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
  4338. {
  4339. int i;
  4340. BUG_ON(offset == TX_CPU_BASE &&
  4341. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
  4342. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  4343. u32 val = tr32(GRC_VCPU_EXT_CTRL);
  4344. tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
  4345. return 0;
  4346. }
  4347. if (offset == RX_CPU_BASE) {
  4348. for (i = 0; i < 10000; i++) {
  4349. tw32(offset + CPU_STATE, 0xffffffff);
  4350. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  4351. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  4352. break;
  4353. }
  4354. tw32(offset + CPU_STATE, 0xffffffff);
  4355. tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
  4356. udelay(10);
  4357. } else {
  4358. for (i = 0; i < 10000; i++) {
  4359. tw32(offset + CPU_STATE, 0xffffffff);
  4360. tw32(offset + CPU_MODE, CPU_MODE_HALT);
  4361. if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
  4362. break;
  4363. }
  4364. }
  4365. if (i >= 10000) {
  4366. printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
  4367. "and %s CPU\n",
  4368. tp->dev->name,
  4369. (offset == RX_CPU_BASE ? "RX" : "TX"));
  4370. return -ENODEV;
  4371. }
  4372. /* Clear firmware's nvram arbitration. */
  4373. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  4374. tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
  4375. return 0;
  4376. }
  4377. struct fw_info {
  4378. unsigned int text_base;
  4379. unsigned int text_len;
  4380. const u32 *text_data;
  4381. unsigned int rodata_base;
  4382. unsigned int rodata_len;
  4383. const u32 *rodata_data;
  4384. unsigned int data_base;
  4385. unsigned int data_len;
  4386. const u32 *data_data;
  4387. };
  4388. /* tp->lock is held. */
  4389. static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
  4390. int cpu_scratch_size, struct fw_info *info)
  4391. {
  4392. int err, lock_err, i;
  4393. void (*write_op)(struct tg3 *, u32, u32);
  4394. if (cpu_base == TX_CPU_BASE &&
  4395. (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  4396. printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
  4397. "TX cpu firmware on %s which is 5705.\n",
  4398. tp->dev->name);
  4399. return -EINVAL;
  4400. }
  4401. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  4402. write_op = tg3_write_mem;
  4403. else
  4404. write_op = tg3_write_indirect_reg32;
  4405. /* It is possible that bootcode is still loading at this point.
  4406. * Get the nvram lock first before halting the cpu.
  4407. */
  4408. lock_err = tg3_nvram_lock(tp);
  4409. err = tg3_halt_cpu(tp, cpu_base);
  4410. if (!lock_err)
  4411. tg3_nvram_unlock(tp);
  4412. if (err)
  4413. goto out;
  4414. for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
  4415. write_op(tp, cpu_scratch_base + i, 0);
  4416. tw32(cpu_base + CPU_STATE, 0xffffffff);
  4417. tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
  4418. for (i = 0; i < (info->text_len / sizeof(u32)); i++)
  4419. write_op(tp, (cpu_scratch_base +
  4420. (info->text_base & 0xffff) +
  4421. (i * sizeof(u32))),
  4422. (info->text_data ?
  4423. info->text_data[i] : 0));
  4424. for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
  4425. write_op(tp, (cpu_scratch_base +
  4426. (info->rodata_base & 0xffff) +
  4427. (i * sizeof(u32))),
  4428. (info->rodata_data ?
  4429. info->rodata_data[i] : 0));
  4430. for (i = 0; i < (info->data_len / sizeof(u32)); i++)
  4431. write_op(tp, (cpu_scratch_base +
  4432. (info->data_base & 0xffff) +
  4433. (i * sizeof(u32))),
  4434. (info->data_data ?
  4435. info->data_data[i] : 0));
  4436. err = 0;
  4437. out:
  4438. return err;
  4439. }
  4440. /* tp->lock is held. */
  4441. static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
  4442. {
  4443. struct fw_info info;
  4444. int err, i;
  4445. info.text_base = TG3_FW_TEXT_ADDR;
  4446. info.text_len = TG3_FW_TEXT_LEN;
  4447. info.text_data = &tg3FwText[0];
  4448. info.rodata_base = TG3_FW_RODATA_ADDR;
  4449. info.rodata_len = TG3_FW_RODATA_LEN;
  4450. info.rodata_data = &tg3FwRodata[0];
  4451. info.data_base = TG3_FW_DATA_ADDR;
  4452. info.data_len = TG3_FW_DATA_LEN;
  4453. info.data_data = NULL;
  4454. err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
  4455. RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
  4456. &info);
  4457. if (err)
  4458. return err;
  4459. err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
  4460. TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
  4461. &info);
  4462. if (err)
  4463. return err;
  4464. /* Now startup only the RX cpu. */
  4465. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4466. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4467. for (i = 0; i < 5; i++) {
  4468. if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
  4469. break;
  4470. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4471. tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
  4472. tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
  4473. udelay(1000);
  4474. }
  4475. if (i >= 5) {
  4476. printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
  4477. "to set RX CPU PC, is %08x should be %08x\n",
  4478. tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
  4479. TG3_FW_TEXT_ADDR);
  4480. return -ENODEV;
  4481. }
  4482. tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
  4483. tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
  4484. return 0;
  4485. }
  4486. #if TG3_TSO_SUPPORT != 0
  4487. #define TG3_TSO_FW_RELEASE_MAJOR 0x1
  4488. #define TG3_TSO_FW_RELASE_MINOR 0x6
  4489. #define TG3_TSO_FW_RELEASE_FIX 0x0
  4490. #define TG3_TSO_FW_START_ADDR 0x08000000
  4491. #define TG3_TSO_FW_TEXT_ADDR 0x08000000
  4492. #define TG3_TSO_FW_TEXT_LEN 0x1aa0
  4493. #define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
  4494. #define TG3_TSO_FW_RODATA_LEN 0x60
  4495. #define TG3_TSO_FW_DATA_ADDR 0x08001b20
  4496. #define TG3_TSO_FW_DATA_LEN 0x30
  4497. #define TG3_TSO_FW_SBSS_ADDR 0x08001b50
  4498. #define TG3_TSO_FW_SBSS_LEN 0x2c
  4499. #define TG3_TSO_FW_BSS_ADDR 0x08001b80
  4500. #define TG3_TSO_FW_BSS_LEN 0x894
  4501. static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
  4502. 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
  4503. 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
  4504. 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4505. 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
  4506. 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
  4507. 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
  4508. 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
  4509. 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
  4510. 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
  4511. 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
  4512. 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
  4513. 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
  4514. 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
  4515. 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
  4516. 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
  4517. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
  4518. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
  4519. 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
  4520. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4521. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
  4522. 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
  4523. 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
  4524. 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
  4525. 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
  4526. 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
  4527. 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
  4528. 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
  4529. 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
  4530. 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
  4531. 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4532. 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
  4533. 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
  4534. 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
  4535. 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
  4536. 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
  4537. 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
  4538. 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
  4539. 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
  4540. 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
  4541. 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
  4542. 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
  4543. 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
  4544. 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
  4545. 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
  4546. 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
  4547. 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
  4548. 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
  4549. 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4550. 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
  4551. 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
  4552. 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
  4553. 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
  4554. 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
  4555. 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
  4556. 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
  4557. 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
  4558. 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
  4559. 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
  4560. 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
  4561. 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
  4562. 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
  4563. 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
  4564. 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
  4565. 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
  4566. 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
  4567. 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
  4568. 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
  4569. 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
  4570. 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
  4571. 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
  4572. 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
  4573. 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
  4574. 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
  4575. 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
  4576. 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
  4577. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
  4578. 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
  4579. 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
  4580. 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
  4581. 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
  4582. 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
  4583. 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
  4584. 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
  4585. 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
  4586. 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
  4587. 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
  4588. 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
  4589. 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4590. 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
  4591. 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
  4592. 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
  4593. 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
  4594. 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
  4595. 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
  4596. 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
  4597. 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
  4598. 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
  4599. 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
  4600. 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
  4601. 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
  4602. 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
  4603. 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
  4604. 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
  4605. 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
  4606. 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
  4607. 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
  4608. 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
  4609. 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
  4610. 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
  4611. 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
  4612. 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
  4613. 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
  4614. 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
  4615. 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
  4616. 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
  4617. 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
  4618. 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
  4619. 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
  4620. 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
  4621. 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
  4622. 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
  4623. 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
  4624. 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
  4625. 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
  4626. 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
  4627. 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
  4628. 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
  4629. 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
  4630. 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
  4631. 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
  4632. 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
  4633. 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
  4634. 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
  4635. 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
  4636. 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
  4637. 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
  4638. 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
  4639. 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
  4640. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4641. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
  4642. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
  4643. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
  4644. 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
  4645. 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
  4646. 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
  4647. 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
  4648. 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
  4649. 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
  4650. 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
  4651. 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
  4652. 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
  4653. 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
  4654. 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
  4655. 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
  4656. 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
  4657. 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
  4658. 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
  4659. 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
  4660. 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
  4661. 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
  4662. 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
  4663. 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
  4664. 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
  4665. 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
  4666. 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
  4667. 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
  4668. 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
  4669. 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
  4670. 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
  4671. 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4672. 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
  4673. 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
  4674. 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
  4675. 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
  4676. 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
  4677. 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
  4678. 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
  4679. 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
  4680. 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
  4681. 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
  4682. 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
  4683. 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
  4684. 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
  4685. 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
  4686. 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
  4687. 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
  4688. 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
  4689. 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
  4690. 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
  4691. 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
  4692. 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
  4693. 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
  4694. 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
  4695. 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
  4696. 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
  4697. 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
  4698. 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
  4699. 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
  4700. 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
  4701. 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
  4702. 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
  4703. 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
  4704. 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
  4705. 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
  4706. 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
  4707. 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
  4708. 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
  4709. 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
  4710. 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
  4711. 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
  4712. 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
  4713. 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
  4714. 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
  4715. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
  4716. 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
  4717. 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
  4718. 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
  4719. 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
  4720. 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
  4721. 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
  4722. 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4723. 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
  4724. 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
  4725. 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
  4726. 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
  4727. 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
  4728. 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
  4729. 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
  4730. 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
  4731. 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
  4732. 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
  4733. 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
  4734. 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
  4735. 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
  4736. 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
  4737. 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
  4738. 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
  4739. 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
  4740. 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
  4741. 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
  4742. 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
  4743. 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
  4744. 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
  4745. 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
  4746. 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
  4747. 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
  4748. 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
  4749. 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
  4750. 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
  4751. 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
  4752. 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
  4753. 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
  4754. 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
  4755. 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
  4756. 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
  4757. 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
  4758. 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
  4759. 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
  4760. 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
  4761. 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
  4762. 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
  4763. 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
  4764. 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
  4765. 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
  4766. 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
  4767. 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
  4768. 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
  4769. 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
  4770. 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
  4771. 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
  4772. 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
  4773. 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
  4774. 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
  4775. 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
  4776. 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
  4777. 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
  4778. 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
  4779. 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
  4780. 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
  4781. 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
  4782. 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
  4783. 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
  4784. 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
  4785. 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
  4786. };
  4787. static const u32 tg3TsoFwRodata[] = {
  4788. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4789. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
  4790. 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
  4791. 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
  4792. 0x00000000,
  4793. };
  4794. static const u32 tg3TsoFwData[] = {
  4795. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
  4796. 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  4797. 0x00000000,
  4798. };
  4799. /* 5705 needs a special version of the TSO firmware. */
  4800. #define TG3_TSO5_FW_RELEASE_MAJOR 0x1
  4801. #define TG3_TSO5_FW_RELASE_MINOR 0x2
  4802. #define TG3_TSO5_FW_RELEASE_FIX 0x0
  4803. #define TG3_TSO5_FW_START_ADDR 0x00010000
  4804. #define TG3_TSO5_FW_TEXT_ADDR 0x00010000
  4805. #define TG3_TSO5_FW_TEXT_LEN 0xe90
  4806. #define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
  4807. #define TG3_TSO5_FW_RODATA_LEN 0x50
  4808. #define TG3_TSO5_FW_DATA_ADDR 0x00010f00
  4809. #define TG3_TSO5_FW_DATA_LEN 0x20
  4810. #define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
  4811. #define TG3_TSO5_FW_SBSS_LEN 0x28
  4812. #define TG3_TSO5_FW_BSS_ADDR 0x00010f50
  4813. #define TG3_TSO5_FW_BSS_LEN 0x88
  4814. static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
  4815. 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
  4816. 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
  4817. 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
  4818. 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
  4819. 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
  4820. 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
  4821. 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4822. 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
  4823. 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
  4824. 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
  4825. 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
  4826. 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
  4827. 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
  4828. 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
  4829. 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
  4830. 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
  4831. 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
  4832. 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
  4833. 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
  4834. 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
  4835. 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
  4836. 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
  4837. 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
  4838. 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
  4839. 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
  4840. 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
  4841. 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
  4842. 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
  4843. 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
  4844. 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
  4845. 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4846. 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
  4847. 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
  4848. 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
  4849. 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
  4850. 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
  4851. 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
  4852. 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
  4853. 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
  4854. 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
  4855. 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
  4856. 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
  4857. 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
  4858. 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
  4859. 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
  4860. 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
  4861. 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
  4862. 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
  4863. 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
  4864. 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
  4865. 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
  4866. 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
  4867. 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
  4868. 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
  4869. 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
  4870. 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
  4871. 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
  4872. 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
  4873. 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
  4874. 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
  4875. 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
  4876. 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
  4877. 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
  4878. 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
  4879. 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
  4880. 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
  4881. 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
  4882. 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
  4883. 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
  4884. 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
  4885. 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
  4886. 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
  4887. 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
  4888. 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
  4889. 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
  4890. 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
  4891. 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
  4892. 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
  4893. 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
  4894. 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
  4895. 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
  4896. 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
  4897. 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
  4898. 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
  4899. 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
  4900. 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
  4901. 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
  4902. 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
  4903. 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
  4904. 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
  4905. 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
  4906. 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
  4907. 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
  4908. 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
  4909. 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
  4910. 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
  4911. 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
  4912. 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
  4913. 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
  4914. 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
  4915. 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
  4916. 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
  4917. 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
  4918. 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
  4919. 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
  4920. 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
  4921. 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4922. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4923. 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
  4924. 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
  4925. 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
  4926. 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
  4927. 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
  4928. 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
  4929. 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
  4930. 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
  4931. 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
  4932. 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
  4933. 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
  4934. 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
  4935. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
  4936. 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
  4937. 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
  4938. 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
  4939. 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
  4940. 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
  4941. 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
  4942. 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
  4943. 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
  4944. 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
  4945. 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
  4946. 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
  4947. 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
  4948. 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
  4949. 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
  4950. 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
  4951. 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
  4952. 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
  4953. 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
  4954. 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
  4955. 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
  4956. 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
  4957. 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
  4958. 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
  4959. 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
  4960. 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
  4961. 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
  4962. 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
  4963. 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
  4964. 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
  4965. 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
  4966. 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
  4967. 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
  4968. 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
  4969. 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
  4970. 0x00000000, 0x00000000, 0x00000000,
  4971. };
  4972. static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
  4973. 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
  4974. 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
  4975. 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
  4976. 0x00000000, 0x00000000, 0x00000000,
  4977. };
  4978. static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
  4979. 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
  4980. 0x00000000, 0x00000000, 0x00000000,
  4981. };
  4982. /* tp->lock is held. */
  4983. static int tg3_load_tso_firmware(struct tg3 *tp)
  4984. {
  4985. struct fw_info info;
  4986. unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
  4987. int err, i;
  4988. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  4989. return 0;
  4990. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
  4991. info.text_base = TG3_TSO5_FW_TEXT_ADDR;
  4992. info.text_len = TG3_TSO5_FW_TEXT_LEN;
  4993. info.text_data = &tg3Tso5FwText[0];
  4994. info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
  4995. info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
  4996. info.rodata_data = &tg3Tso5FwRodata[0];
  4997. info.data_base = TG3_TSO5_FW_DATA_ADDR;
  4998. info.data_len = TG3_TSO5_FW_DATA_LEN;
  4999. info.data_data = &tg3Tso5FwData[0];
  5000. cpu_base = RX_CPU_BASE;
  5001. cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
  5002. cpu_scratch_size = (info.text_len +
  5003. info.rodata_len +
  5004. info.data_len +
  5005. TG3_TSO5_FW_SBSS_LEN +
  5006. TG3_TSO5_FW_BSS_LEN);
  5007. } else {
  5008. info.text_base = TG3_TSO_FW_TEXT_ADDR;
  5009. info.text_len = TG3_TSO_FW_TEXT_LEN;
  5010. info.text_data = &tg3TsoFwText[0];
  5011. info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
  5012. info.rodata_len = TG3_TSO_FW_RODATA_LEN;
  5013. info.rodata_data = &tg3TsoFwRodata[0];
  5014. info.data_base = TG3_TSO_FW_DATA_ADDR;
  5015. info.data_len = TG3_TSO_FW_DATA_LEN;
  5016. info.data_data = &tg3TsoFwData[0];
  5017. cpu_base = TX_CPU_BASE;
  5018. cpu_scratch_base = TX_CPU_SCRATCH_BASE;
  5019. cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
  5020. }
  5021. err = tg3_load_firmware_cpu(tp, cpu_base,
  5022. cpu_scratch_base, cpu_scratch_size,
  5023. &info);
  5024. if (err)
  5025. return err;
  5026. /* Now startup the cpu. */
  5027. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5028. tw32_f(cpu_base + CPU_PC, info.text_base);
  5029. for (i = 0; i < 5; i++) {
  5030. if (tr32(cpu_base + CPU_PC) == info.text_base)
  5031. break;
  5032. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5033. tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
  5034. tw32_f(cpu_base + CPU_PC, info.text_base);
  5035. udelay(1000);
  5036. }
  5037. if (i >= 5) {
  5038. printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
  5039. "to set CPU PC, is %08x should be %08x\n",
  5040. tp->dev->name, tr32(cpu_base + CPU_PC),
  5041. info.text_base);
  5042. return -ENODEV;
  5043. }
  5044. tw32(cpu_base + CPU_STATE, 0xffffffff);
  5045. tw32_f(cpu_base + CPU_MODE, 0x00000000);
  5046. return 0;
  5047. }
  5048. #endif /* TG3_TSO_SUPPORT != 0 */
  5049. /* tp->lock is held. */
  5050. static void __tg3_set_mac_addr(struct tg3 *tp)
  5051. {
  5052. u32 addr_high, addr_low;
  5053. int i;
  5054. addr_high = ((tp->dev->dev_addr[0] << 8) |
  5055. tp->dev->dev_addr[1]);
  5056. addr_low = ((tp->dev->dev_addr[2] << 24) |
  5057. (tp->dev->dev_addr[3] << 16) |
  5058. (tp->dev->dev_addr[4] << 8) |
  5059. (tp->dev->dev_addr[5] << 0));
  5060. for (i = 0; i < 4; i++) {
  5061. tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
  5062. tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
  5063. }
  5064. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  5065. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  5066. for (i = 0; i < 12; i++) {
  5067. tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
  5068. tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
  5069. }
  5070. }
  5071. addr_high = (tp->dev->dev_addr[0] +
  5072. tp->dev->dev_addr[1] +
  5073. tp->dev->dev_addr[2] +
  5074. tp->dev->dev_addr[3] +
  5075. tp->dev->dev_addr[4] +
  5076. tp->dev->dev_addr[5]) &
  5077. TX_BACKOFF_SEED_MASK;
  5078. tw32(MAC_TX_BACKOFF_SEED, addr_high);
  5079. }
  5080. static int tg3_set_mac_addr(struct net_device *dev, void *p)
  5081. {
  5082. struct tg3 *tp = netdev_priv(dev);
  5083. struct sockaddr *addr = p;
  5084. int err = 0;
  5085. if (!is_valid_ether_addr(addr->sa_data))
  5086. return -EINVAL;
  5087. memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
  5088. if (!netif_running(dev))
  5089. return 0;
  5090. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  5091. /* Reset chip so that ASF can re-init any MAC addresses it
  5092. * needs.
  5093. */
  5094. tg3_netif_stop(tp);
  5095. tg3_full_lock(tp, 1);
  5096. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5097. err = tg3_restart_hw(tp, 0);
  5098. if (!err)
  5099. tg3_netif_start(tp);
  5100. tg3_full_unlock(tp);
  5101. } else {
  5102. spin_lock_bh(&tp->lock);
  5103. __tg3_set_mac_addr(tp);
  5104. spin_unlock_bh(&tp->lock);
  5105. }
  5106. return err;
  5107. }
  5108. /* tp->lock is held. */
  5109. static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
  5110. dma_addr_t mapping, u32 maxlen_flags,
  5111. u32 nic_addr)
  5112. {
  5113. tg3_write_mem(tp,
  5114. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
  5115. ((u64) mapping >> 32));
  5116. tg3_write_mem(tp,
  5117. (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
  5118. ((u64) mapping & 0xffffffff));
  5119. tg3_write_mem(tp,
  5120. (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
  5121. maxlen_flags);
  5122. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5123. tg3_write_mem(tp,
  5124. (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
  5125. nic_addr);
  5126. }
  5127. static void __tg3_set_rx_mode(struct net_device *);
  5128. static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
  5129. {
  5130. tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
  5131. tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
  5132. tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
  5133. tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
  5134. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5135. tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
  5136. tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
  5137. }
  5138. tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
  5139. tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
  5140. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5141. u32 val = ec->stats_block_coalesce_usecs;
  5142. if (!netif_carrier_ok(tp->dev))
  5143. val = 0;
  5144. tw32(HOSTCC_STAT_COAL_TICKS, val);
  5145. }
  5146. }
  5147. /* tp->lock is held. */
  5148. static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
  5149. {
  5150. u32 val, rdmac_mode;
  5151. int i, err, limit;
  5152. tg3_disable_ints(tp);
  5153. tg3_stop_fw(tp);
  5154. tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
  5155. if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
  5156. tg3_abort_hw(tp, 1);
  5157. }
  5158. if (reset_phy)
  5159. tg3_phy_reset(tp);
  5160. err = tg3_chip_reset(tp);
  5161. if (err)
  5162. return err;
  5163. tg3_write_sig_legacy(tp, RESET_KIND_INIT);
  5164. /* This works around an issue with Athlon chipsets on
  5165. * B3 tigon3 silicon. This bit has no effect on any
  5166. * other revision. But do not set this on PCI Express
  5167. * chips.
  5168. */
  5169. if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  5170. tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
  5171. tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
  5172. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
  5173. (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  5174. val = tr32(TG3PCI_PCISTATE);
  5175. val |= PCISTATE_RETRY_SAME_DMA;
  5176. tw32(TG3PCI_PCISTATE, val);
  5177. }
  5178. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
  5179. /* Enable some hw fixes. */
  5180. val = tr32(TG3PCI_MSI_DATA);
  5181. val |= (1 << 26) | (1 << 28) | (1 << 29);
  5182. tw32(TG3PCI_MSI_DATA, val);
  5183. }
  5184. /* Descriptor ring init may make accesses to the
  5185. * NIC SRAM area to setup the TX descriptors, so we
  5186. * can only do this after the hardware has been
  5187. * successfully reset.
  5188. */
  5189. err = tg3_init_rings(tp);
  5190. if (err)
  5191. return err;
  5192. /* This value is determined during the probe time DMA
  5193. * engine test, tg3_test_dma.
  5194. */
  5195. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  5196. tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
  5197. GRC_MODE_4X_NIC_SEND_RINGS |
  5198. GRC_MODE_NO_TX_PHDR_CSUM |
  5199. GRC_MODE_NO_RX_PHDR_CSUM);
  5200. tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
  5201. /* Pseudo-header checksum is done by hardware logic and not
  5202. * the offload processers, so make the chip do the pseudo-
  5203. * header checksums on receive. For transmit it is more
  5204. * convenient to do the pseudo-header checksum in software
  5205. * as Linux does that on transmit for us in all cases.
  5206. */
  5207. tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
  5208. tw32(GRC_MODE,
  5209. tp->grc_mode |
  5210. (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
  5211. /* Setup the timer prescalar register. Clock is always 66Mhz. */
  5212. val = tr32(GRC_MISC_CFG);
  5213. val &= ~0xff;
  5214. val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
  5215. tw32(GRC_MISC_CFG, val);
  5216. /* Initialize MBUF/DESC pool. */
  5217. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  5218. /* Do nothing. */
  5219. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
  5220. tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
  5221. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  5222. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
  5223. else
  5224. tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
  5225. tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
  5226. tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
  5227. }
  5228. #if TG3_TSO_SUPPORT != 0
  5229. else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  5230. int fw_len;
  5231. fw_len = (TG3_TSO5_FW_TEXT_LEN +
  5232. TG3_TSO5_FW_RODATA_LEN +
  5233. TG3_TSO5_FW_DATA_LEN +
  5234. TG3_TSO5_FW_SBSS_LEN +
  5235. TG3_TSO5_FW_BSS_LEN);
  5236. fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
  5237. tw32(BUFMGR_MB_POOL_ADDR,
  5238. NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
  5239. tw32(BUFMGR_MB_POOL_SIZE,
  5240. NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
  5241. }
  5242. #endif
  5243. if (tp->dev->mtu <= ETH_DATA_LEN) {
  5244. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  5245. tp->bufmgr_config.mbuf_read_dma_low_water);
  5246. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  5247. tp->bufmgr_config.mbuf_mac_rx_low_water);
  5248. tw32(BUFMGR_MB_HIGH_WATER,
  5249. tp->bufmgr_config.mbuf_high_water);
  5250. } else {
  5251. tw32(BUFMGR_MB_RDMA_LOW_WATER,
  5252. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
  5253. tw32(BUFMGR_MB_MACRX_LOW_WATER,
  5254. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
  5255. tw32(BUFMGR_MB_HIGH_WATER,
  5256. tp->bufmgr_config.mbuf_high_water_jumbo);
  5257. }
  5258. tw32(BUFMGR_DMA_LOW_WATER,
  5259. tp->bufmgr_config.dma_low_water);
  5260. tw32(BUFMGR_DMA_HIGH_WATER,
  5261. tp->bufmgr_config.dma_high_water);
  5262. tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
  5263. for (i = 0; i < 2000; i++) {
  5264. if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
  5265. break;
  5266. udelay(10);
  5267. }
  5268. if (i >= 2000) {
  5269. printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
  5270. tp->dev->name);
  5271. return -ENODEV;
  5272. }
  5273. /* Setup replenish threshold. */
  5274. val = tp->rx_pending / 8;
  5275. if (val == 0)
  5276. val = 1;
  5277. else if (val > tp->rx_std_max_post)
  5278. val = tp->rx_std_max_post;
  5279. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  5280. if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
  5281. tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
  5282. if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
  5283. val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
  5284. }
  5285. tw32(RCVBDI_STD_THRESH, val);
  5286. /* Initialize TG3_BDINFO's at:
  5287. * RCVDBDI_STD_BD: standard eth size rx ring
  5288. * RCVDBDI_JUMBO_BD: jumbo frame rx ring
  5289. * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
  5290. *
  5291. * like so:
  5292. * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
  5293. * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
  5294. * ring attribute flags
  5295. * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
  5296. *
  5297. * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
  5298. * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
  5299. *
  5300. * The size of each ring is fixed in the firmware, but the location is
  5301. * configurable.
  5302. */
  5303. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5304. ((u64) tp->rx_std_mapping >> 32));
  5305. tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  5306. ((u64) tp->rx_std_mapping & 0xffffffff));
  5307. tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
  5308. NIC_SRAM_RX_BUFFER_DESC);
  5309. /* Don't even try to program the JUMBO/MINI buffer descriptor
  5310. * configs on 5705.
  5311. */
  5312. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  5313. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  5314. RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
  5315. } else {
  5316. tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
  5317. RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  5318. tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
  5319. BDINFO_FLAGS_DISABLED);
  5320. /* Setup replenish threshold. */
  5321. tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
  5322. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
  5323. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5324. ((u64) tp->rx_jumbo_mapping >> 32));
  5325. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
  5326. ((u64) tp->rx_jumbo_mapping & 0xffffffff));
  5327. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  5328. RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
  5329. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
  5330. NIC_SRAM_RX_JUMBO_BUFFER_DESC);
  5331. } else {
  5332. tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
  5333. BDINFO_FLAGS_DISABLED);
  5334. }
  5335. }
  5336. /* There is only one send ring on 5705/5750, no need to explicitly
  5337. * disable the others.
  5338. */
  5339. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5340. /* Clear out send RCB ring in SRAM. */
  5341. for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
  5342. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  5343. BDINFO_FLAGS_DISABLED);
  5344. }
  5345. tp->tx_prod = 0;
  5346. tp->tx_cons = 0;
  5347. tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  5348. tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
  5349. tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
  5350. tp->tx_desc_mapping,
  5351. (TG3_TX_RING_SIZE <<
  5352. BDINFO_FLAGS_MAXLEN_SHIFT),
  5353. NIC_SRAM_TX_BUFFER_DESC);
  5354. /* There is only one receive return ring on 5705/5750, no need
  5355. * to explicitly disable the others.
  5356. */
  5357. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5358. for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
  5359. i += TG3_BDINFO_SIZE) {
  5360. tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
  5361. BDINFO_FLAGS_DISABLED);
  5362. }
  5363. }
  5364. tp->rx_rcb_ptr = 0;
  5365. tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
  5366. tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
  5367. tp->rx_rcb_mapping,
  5368. (TG3_RX_RCB_RING_SIZE(tp) <<
  5369. BDINFO_FLAGS_MAXLEN_SHIFT),
  5370. 0);
  5371. tp->rx_std_ptr = tp->rx_pending;
  5372. tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
  5373. tp->rx_std_ptr);
  5374. tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
  5375. tp->rx_jumbo_pending : 0;
  5376. tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
  5377. tp->rx_jumbo_ptr);
  5378. /* Initialize MAC address and backoff seed. */
  5379. __tg3_set_mac_addr(tp);
  5380. /* MTU + ethernet header + FCS + optional VLAN tag */
  5381. tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
  5382. /* The slot time is changed by tg3_setup_phy if we
  5383. * run at gigabit with half duplex.
  5384. */
  5385. tw32(MAC_TX_LENGTHS,
  5386. (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
  5387. (6 << TX_LENGTHS_IPG_SHIFT) |
  5388. (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
  5389. /* Receive rules. */
  5390. tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
  5391. tw32(RCVLPC_CONFIG, 0x0181);
  5392. /* Calculate RDMAC_MODE setting early, we need it to determine
  5393. * the RCVLPC_STATE_ENABLE mask.
  5394. */
  5395. rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
  5396. RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
  5397. RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
  5398. RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
  5399. RDMAC_MODE_LNGREAD_ENAB);
  5400. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  5401. rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
  5402. /* If statement applies to 5705 and 5750 PCI devices only */
  5403. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  5404. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  5405. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
  5406. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
  5407. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  5408. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  5409. rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
  5410. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  5411. !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
  5412. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  5413. }
  5414. }
  5415. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
  5416. rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
  5417. #if TG3_TSO_SUPPORT != 0
  5418. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  5419. rdmac_mode |= (1 << 27);
  5420. #endif
  5421. /* Receive/send statistics. */
  5422. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  5423. val = tr32(RCVLPC_STATS_ENABLE);
  5424. val &= ~RCVLPC_STATSENAB_DACK_FIX;
  5425. tw32(RCVLPC_STATS_ENABLE, val);
  5426. } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
  5427. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  5428. val = tr32(RCVLPC_STATS_ENABLE);
  5429. val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
  5430. tw32(RCVLPC_STATS_ENABLE, val);
  5431. } else {
  5432. tw32(RCVLPC_STATS_ENABLE, 0xffffff);
  5433. }
  5434. tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
  5435. tw32(SNDDATAI_STATSENAB, 0xffffff);
  5436. tw32(SNDDATAI_STATSCTRL,
  5437. (SNDDATAI_SCTRL_ENABLE |
  5438. SNDDATAI_SCTRL_FASTUPD));
  5439. /* Setup host coalescing engine. */
  5440. tw32(HOSTCC_MODE, 0);
  5441. for (i = 0; i < 2000; i++) {
  5442. if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
  5443. break;
  5444. udelay(10);
  5445. }
  5446. __tg3_set_coalesce(tp, &tp->coal);
  5447. /* set status block DMA address */
  5448. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5449. ((u64) tp->status_mapping >> 32));
  5450. tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  5451. ((u64) tp->status_mapping & 0xffffffff));
  5452. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5453. /* Status/statistics block address. See tg3_timer,
  5454. * the tg3_periodic_fetch_stats call there, and
  5455. * tg3_get_stats to see how this works for 5705/5750 chips.
  5456. */
  5457. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
  5458. ((u64) tp->stats_mapping >> 32));
  5459. tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
  5460. ((u64) tp->stats_mapping & 0xffffffff));
  5461. tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
  5462. tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
  5463. }
  5464. tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
  5465. tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
  5466. tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
  5467. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5468. tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
  5469. /* Clear statistics/status block in chip, and status block in ram. */
  5470. for (i = NIC_SRAM_STATS_BLK;
  5471. i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
  5472. i += sizeof(u32)) {
  5473. tg3_write_mem(tp, i, 0);
  5474. udelay(40);
  5475. }
  5476. memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
  5477. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  5478. tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
  5479. /* reset to prevent losing 1st rx packet intermittently */
  5480. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  5481. udelay(10);
  5482. }
  5483. tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
  5484. MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
  5485. tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
  5486. udelay(40);
  5487. /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
  5488. * If TG3_FLG2_IS_NIC is zero, we should read the
  5489. * register to preserve the GPIO settings for LOMs. The GPIOs,
  5490. * whether used as inputs or outputs, are set by boot code after
  5491. * reset.
  5492. */
  5493. if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
  5494. u32 gpio_mask;
  5495. gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
  5496. GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
  5497. GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
  5498. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  5499. gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
  5500. GRC_LCLCTRL_GPIO_OUTPUT3;
  5501. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  5502. gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
  5503. tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
  5504. /* GPIO1 must be driven high for eeprom write protect */
  5505. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
  5506. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  5507. GRC_LCLCTRL_GPIO_OUTPUT1);
  5508. }
  5509. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  5510. udelay(100);
  5511. tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
  5512. tp->last_tag = 0;
  5513. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  5514. tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
  5515. udelay(40);
  5516. }
  5517. val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
  5518. WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
  5519. WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
  5520. WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
  5521. WDMAC_MODE_LNGREAD_ENAB);
  5522. /* If statement applies to 5705 and 5750 PCI devices only */
  5523. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  5524. tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
  5525. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
  5526. if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
  5527. (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
  5528. tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
  5529. /* nothing */
  5530. } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
  5531. !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  5532. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  5533. val |= WDMAC_MODE_RX_ACCEL;
  5534. }
  5535. }
  5536. /* Enable host coalescing bug fix */
  5537. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
  5538. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
  5539. val |= (1 << 29);
  5540. tw32_f(WDMAC_MODE, val);
  5541. udelay(40);
  5542. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
  5543. val = tr32(TG3PCI_X_CAPS);
  5544. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
  5545. val &= ~PCIX_CAPS_BURST_MASK;
  5546. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5547. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  5548. val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
  5549. val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
  5550. if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
  5551. val |= (tp->split_mode_max_reqs <<
  5552. PCIX_CAPS_SPLIT_SHIFT);
  5553. }
  5554. tw32(TG3PCI_X_CAPS, val);
  5555. }
  5556. tw32_f(RDMAC_MODE, rdmac_mode);
  5557. udelay(40);
  5558. tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
  5559. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  5560. tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
  5561. tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
  5562. tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
  5563. tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
  5564. tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
  5565. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
  5566. #if TG3_TSO_SUPPORT != 0
  5567. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
  5568. tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
  5569. #endif
  5570. tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
  5571. tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
  5572. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
  5573. err = tg3_load_5701_a0_firmware_fix(tp);
  5574. if (err)
  5575. return err;
  5576. }
  5577. #if TG3_TSO_SUPPORT != 0
  5578. if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
  5579. err = tg3_load_tso_firmware(tp);
  5580. if (err)
  5581. return err;
  5582. }
  5583. #endif
  5584. tp->tx_mode = TX_MODE_ENABLE;
  5585. tw32_f(MAC_TX_MODE, tp->tx_mode);
  5586. udelay(100);
  5587. tp->rx_mode = RX_MODE_ENABLE;
  5588. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  5589. tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
  5590. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5591. udelay(10);
  5592. if (tp->link_config.phy_is_low_power) {
  5593. tp->link_config.phy_is_low_power = 0;
  5594. tp->link_config.speed = tp->link_config.orig_speed;
  5595. tp->link_config.duplex = tp->link_config.orig_duplex;
  5596. tp->link_config.autoneg = tp->link_config.orig_autoneg;
  5597. }
  5598. tp->mi_mode = MAC_MI_MODE_BASE;
  5599. tw32_f(MAC_MI_MODE, tp->mi_mode);
  5600. udelay(80);
  5601. tw32(MAC_LED_CTRL, tp->led_ctrl);
  5602. tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
  5603. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5604. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  5605. udelay(10);
  5606. }
  5607. tw32_f(MAC_RX_MODE, tp->rx_mode);
  5608. udelay(10);
  5609. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  5610. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
  5611. !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
  5612. /* Set drive transmission level to 1.2V */
  5613. /* only if the signal pre-emphasis bit is not set */
  5614. val = tr32(MAC_SERDES_CFG);
  5615. val &= 0xfffff000;
  5616. val |= 0x880;
  5617. tw32(MAC_SERDES_CFG, val);
  5618. }
  5619. if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
  5620. tw32(MAC_SERDES_CFG, 0x616000);
  5621. }
  5622. /* Prevent chip from dropping frames when flow control
  5623. * is enabled.
  5624. */
  5625. tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
  5626. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  5627. (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  5628. /* Use hardware link auto-negotiation */
  5629. tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
  5630. }
  5631. if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
  5632. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
  5633. u32 tmp;
  5634. tmp = tr32(SERDES_RX_CTRL);
  5635. tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
  5636. tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
  5637. tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
  5638. tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  5639. }
  5640. err = tg3_setup_phy(tp, 0);
  5641. if (err)
  5642. return err;
  5643. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  5644. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
  5645. u32 tmp;
  5646. /* Clear CRC stats. */
  5647. if (!tg3_readphy(tp, 0x1e, &tmp)) {
  5648. tg3_writephy(tp, 0x1e, tmp | 0x8000);
  5649. tg3_readphy(tp, 0x14, &tmp);
  5650. }
  5651. }
  5652. __tg3_set_rx_mode(tp->dev);
  5653. /* Initialize receive rules. */
  5654. tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
  5655. tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5656. tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
  5657. tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
  5658. if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
  5659. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  5660. limit = 8;
  5661. else
  5662. limit = 16;
  5663. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
  5664. limit -= 4;
  5665. switch (limit) {
  5666. case 16:
  5667. tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
  5668. case 15:
  5669. tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
  5670. case 14:
  5671. tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
  5672. case 13:
  5673. tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
  5674. case 12:
  5675. tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
  5676. case 11:
  5677. tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
  5678. case 10:
  5679. tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
  5680. case 9:
  5681. tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
  5682. case 8:
  5683. tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
  5684. case 7:
  5685. tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
  5686. case 6:
  5687. tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
  5688. case 5:
  5689. tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
  5690. case 4:
  5691. /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
  5692. case 3:
  5693. /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
  5694. case 2:
  5695. case 1:
  5696. default:
  5697. break;
  5698. };
  5699. tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
  5700. return 0;
  5701. }
  5702. /* Called at device open time to get the chip ready for
  5703. * packet processing. Invoked with tp->lock held.
  5704. */
  5705. static int tg3_init_hw(struct tg3 *tp, int reset_phy)
  5706. {
  5707. int err;
  5708. /* Force the chip into D0. */
  5709. err = tg3_set_power_state(tp, PCI_D0);
  5710. if (err)
  5711. goto out;
  5712. tg3_switch_clocks(tp);
  5713. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  5714. err = tg3_reset_hw(tp, reset_phy);
  5715. out:
  5716. return err;
  5717. }
  5718. #define TG3_STAT_ADD32(PSTAT, REG) \
  5719. do { u32 __val = tr32(REG); \
  5720. (PSTAT)->low += __val; \
  5721. if ((PSTAT)->low < __val) \
  5722. (PSTAT)->high += 1; \
  5723. } while (0)
  5724. static void tg3_periodic_fetch_stats(struct tg3 *tp)
  5725. {
  5726. struct tg3_hw_stats *sp = tp->hw_stats;
  5727. if (!netif_carrier_ok(tp->dev))
  5728. return;
  5729. TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
  5730. TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
  5731. TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
  5732. TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
  5733. TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
  5734. TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
  5735. TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
  5736. TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
  5737. TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
  5738. TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
  5739. TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
  5740. TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
  5741. TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
  5742. TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
  5743. TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
  5744. TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
  5745. TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
  5746. TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
  5747. TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
  5748. TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
  5749. TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
  5750. TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
  5751. TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
  5752. TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
  5753. TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
  5754. TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
  5755. TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
  5756. TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
  5757. TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
  5758. TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
  5759. }
  5760. static void tg3_timer(unsigned long __opaque)
  5761. {
  5762. struct tg3 *tp = (struct tg3 *) __opaque;
  5763. if (tp->irq_sync)
  5764. goto restart_timer;
  5765. spin_lock(&tp->lock);
  5766. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5767. /* All of this garbage is because when using non-tagged
  5768. * IRQ status the mailbox/status_block protocol the chip
  5769. * uses with the cpu is race prone.
  5770. */
  5771. if (tp->hw_status->status & SD_STATUS_UPDATED) {
  5772. tw32(GRC_LOCAL_CTRL,
  5773. tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
  5774. } else {
  5775. tw32(HOSTCC_MODE, tp->coalesce_mode |
  5776. (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
  5777. }
  5778. if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  5779. tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
  5780. spin_unlock(&tp->lock);
  5781. schedule_work(&tp->reset_task);
  5782. return;
  5783. }
  5784. }
  5785. /* This part only runs once per second. */
  5786. if (!--tp->timer_counter) {
  5787. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
  5788. tg3_periodic_fetch_stats(tp);
  5789. if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
  5790. u32 mac_stat;
  5791. int phy_event;
  5792. mac_stat = tr32(MAC_STATUS);
  5793. phy_event = 0;
  5794. if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
  5795. if (mac_stat & MAC_STATUS_MI_INTERRUPT)
  5796. phy_event = 1;
  5797. } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
  5798. phy_event = 1;
  5799. if (phy_event)
  5800. tg3_setup_phy(tp, 0);
  5801. } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
  5802. u32 mac_stat = tr32(MAC_STATUS);
  5803. int need_setup = 0;
  5804. if (netif_carrier_ok(tp->dev) &&
  5805. (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
  5806. need_setup = 1;
  5807. }
  5808. if (! netif_carrier_ok(tp->dev) &&
  5809. (mac_stat & (MAC_STATUS_PCS_SYNCED |
  5810. MAC_STATUS_SIGNAL_DET))) {
  5811. need_setup = 1;
  5812. }
  5813. if (need_setup) {
  5814. if (!tp->serdes_counter) {
  5815. tw32_f(MAC_MODE,
  5816. (tp->mac_mode &
  5817. ~MAC_MODE_PORT_MODE_MASK));
  5818. udelay(40);
  5819. tw32_f(MAC_MODE, tp->mac_mode);
  5820. udelay(40);
  5821. }
  5822. tg3_setup_phy(tp, 0);
  5823. }
  5824. } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  5825. tg3_serdes_parallel_detect(tp);
  5826. tp->timer_counter = tp->timer_multiplier;
  5827. }
  5828. /* Heartbeat is only sent once every 2 seconds.
  5829. *
  5830. * The heartbeat is to tell the ASF firmware that the host
  5831. * driver is still alive. In the event that the OS crashes,
  5832. * ASF needs to reset the hardware to free up the FIFO space
  5833. * that may be filled with rx packets destined for the host.
  5834. * If the FIFO is full, ASF will no longer function properly.
  5835. *
  5836. * Unintended resets have been reported on real time kernels
  5837. * where the timer doesn't run on time. Netpoll will also have
  5838. * same problem.
  5839. *
  5840. * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
  5841. * to check the ring condition when the heartbeat is expiring
  5842. * before doing the reset. This will prevent most unintended
  5843. * resets.
  5844. */
  5845. if (!--tp->asf_counter) {
  5846. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  5847. u32 val;
  5848. tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
  5849. FWCMD_NICDRV_ALIVE3);
  5850. tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
  5851. /* 5 seconds timeout */
  5852. tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
  5853. val = tr32(GRC_RX_CPU_EVENT);
  5854. val |= (1 << 14);
  5855. tw32(GRC_RX_CPU_EVENT, val);
  5856. }
  5857. tp->asf_counter = tp->asf_multiplier;
  5858. }
  5859. spin_unlock(&tp->lock);
  5860. restart_timer:
  5861. tp->timer.expires = jiffies + tp->timer_offset;
  5862. add_timer(&tp->timer);
  5863. }
  5864. static int tg3_request_irq(struct tg3 *tp)
  5865. {
  5866. irq_handler_t fn;
  5867. unsigned long flags;
  5868. struct net_device *dev = tp->dev;
  5869. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  5870. fn = tg3_msi;
  5871. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
  5872. fn = tg3_msi_1shot;
  5873. flags = IRQF_SAMPLE_RANDOM;
  5874. } else {
  5875. fn = tg3_interrupt;
  5876. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  5877. fn = tg3_interrupt_tagged;
  5878. flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
  5879. }
  5880. return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
  5881. }
  5882. static int tg3_test_interrupt(struct tg3 *tp)
  5883. {
  5884. struct net_device *dev = tp->dev;
  5885. int err, i, intr_ok = 0;
  5886. if (!netif_running(dev))
  5887. return -ENODEV;
  5888. tg3_disable_ints(tp);
  5889. free_irq(tp->pdev->irq, dev);
  5890. err = request_irq(tp->pdev->irq, tg3_test_isr,
  5891. IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
  5892. if (err)
  5893. return err;
  5894. tp->hw_status->status &= ~SD_STATUS_UPDATED;
  5895. tg3_enable_ints(tp);
  5896. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  5897. HOSTCC_MODE_NOW);
  5898. for (i = 0; i < 5; i++) {
  5899. u32 int_mbox, misc_host_ctrl;
  5900. int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
  5901. TG3_64BIT_REG_LOW);
  5902. misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
  5903. if ((int_mbox != 0) ||
  5904. (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
  5905. intr_ok = 1;
  5906. break;
  5907. }
  5908. msleep(10);
  5909. }
  5910. tg3_disable_ints(tp);
  5911. free_irq(tp->pdev->irq, dev);
  5912. err = tg3_request_irq(tp);
  5913. if (err)
  5914. return err;
  5915. if (intr_ok)
  5916. return 0;
  5917. return -EIO;
  5918. }
  5919. /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
  5920. * successfully restored
  5921. */
  5922. static int tg3_test_msi(struct tg3 *tp)
  5923. {
  5924. struct net_device *dev = tp->dev;
  5925. int err;
  5926. u16 pci_cmd;
  5927. if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
  5928. return 0;
  5929. /* Turn off SERR reporting in case MSI terminates with Master
  5930. * Abort.
  5931. */
  5932. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  5933. pci_write_config_word(tp->pdev, PCI_COMMAND,
  5934. pci_cmd & ~PCI_COMMAND_SERR);
  5935. err = tg3_test_interrupt(tp);
  5936. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  5937. if (!err)
  5938. return 0;
  5939. /* other failures */
  5940. if (err != -EIO)
  5941. return err;
  5942. /* MSI test failed, go back to INTx mode */
  5943. printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
  5944. "switching to INTx mode. Please report this failure to "
  5945. "the PCI maintainer and include system chipset information.\n",
  5946. tp->dev->name);
  5947. free_irq(tp->pdev->irq, dev);
  5948. pci_disable_msi(tp->pdev);
  5949. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  5950. err = tg3_request_irq(tp);
  5951. if (err)
  5952. return err;
  5953. /* Need to reset the chip because the MSI cycle may have terminated
  5954. * with Master Abort.
  5955. */
  5956. tg3_full_lock(tp, 1);
  5957. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  5958. err = tg3_init_hw(tp, 1);
  5959. tg3_full_unlock(tp);
  5960. if (err)
  5961. free_irq(tp->pdev->irq, dev);
  5962. return err;
  5963. }
  5964. static int tg3_open(struct net_device *dev)
  5965. {
  5966. struct tg3 *tp = netdev_priv(dev);
  5967. int err;
  5968. tg3_full_lock(tp, 0);
  5969. err = tg3_set_power_state(tp, PCI_D0);
  5970. if (err) {
  5971. tg3_full_unlock(tp);
  5972. return err;
  5973. }
  5974. tg3_disable_ints(tp);
  5975. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  5976. tg3_full_unlock(tp);
  5977. /* The placement of this call is tied
  5978. * to the setup and use of Host TX descriptors.
  5979. */
  5980. err = tg3_alloc_consistent(tp);
  5981. if (err)
  5982. return err;
  5983. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  5984. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
  5985. (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
  5986. !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
  5987. (tp->pdev_peer == tp->pdev))) {
  5988. /* All MSI supporting chips should support tagged
  5989. * status. Assert that this is the case.
  5990. */
  5991. if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
  5992. printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
  5993. "Not using MSI.\n", tp->dev->name);
  5994. } else if (pci_enable_msi(tp->pdev) == 0) {
  5995. u32 msi_mode;
  5996. msi_mode = tr32(MSGINT_MODE);
  5997. tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
  5998. tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
  5999. }
  6000. }
  6001. err = tg3_request_irq(tp);
  6002. if (err) {
  6003. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6004. pci_disable_msi(tp->pdev);
  6005. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6006. }
  6007. tg3_free_consistent(tp);
  6008. return err;
  6009. }
  6010. tg3_full_lock(tp, 0);
  6011. err = tg3_init_hw(tp, 1);
  6012. if (err) {
  6013. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6014. tg3_free_rings(tp);
  6015. } else {
  6016. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
  6017. tp->timer_offset = HZ;
  6018. else
  6019. tp->timer_offset = HZ / 10;
  6020. BUG_ON(tp->timer_offset > HZ);
  6021. tp->timer_counter = tp->timer_multiplier =
  6022. (HZ / tp->timer_offset);
  6023. tp->asf_counter = tp->asf_multiplier =
  6024. ((HZ / tp->timer_offset) * 2);
  6025. init_timer(&tp->timer);
  6026. tp->timer.expires = jiffies + tp->timer_offset;
  6027. tp->timer.data = (unsigned long) tp;
  6028. tp->timer.function = tg3_timer;
  6029. }
  6030. tg3_full_unlock(tp);
  6031. if (err) {
  6032. free_irq(tp->pdev->irq, dev);
  6033. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6034. pci_disable_msi(tp->pdev);
  6035. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6036. }
  6037. tg3_free_consistent(tp);
  6038. return err;
  6039. }
  6040. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6041. err = tg3_test_msi(tp);
  6042. if (err) {
  6043. tg3_full_lock(tp, 0);
  6044. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6045. pci_disable_msi(tp->pdev);
  6046. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6047. }
  6048. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6049. tg3_free_rings(tp);
  6050. tg3_free_consistent(tp);
  6051. tg3_full_unlock(tp);
  6052. return err;
  6053. }
  6054. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6055. if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
  6056. u32 val = tr32(PCIE_TRANSACTION_CFG);
  6057. tw32(PCIE_TRANSACTION_CFG,
  6058. val | PCIE_TRANS_CFG_1SHOT_MSI);
  6059. }
  6060. }
  6061. }
  6062. tg3_full_lock(tp, 0);
  6063. add_timer(&tp->timer);
  6064. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  6065. tg3_enable_ints(tp);
  6066. tg3_full_unlock(tp);
  6067. netif_start_queue(dev);
  6068. return 0;
  6069. }
  6070. #if 0
  6071. /*static*/ void tg3_dump_state(struct tg3 *tp)
  6072. {
  6073. u32 val32, val32_2, val32_3, val32_4, val32_5;
  6074. u16 val16;
  6075. int i;
  6076. pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
  6077. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
  6078. printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
  6079. val16, val32);
  6080. /* MAC block */
  6081. printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
  6082. tr32(MAC_MODE), tr32(MAC_STATUS));
  6083. printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
  6084. tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
  6085. printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
  6086. tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
  6087. printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
  6088. tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
  6089. /* Send data initiator control block */
  6090. printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
  6091. tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
  6092. printk(" SNDDATAI_STATSCTRL[%08x]\n",
  6093. tr32(SNDDATAI_STATSCTRL));
  6094. /* Send data completion control block */
  6095. printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
  6096. /* Send BD ring selector block */
  6097. printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
  6098. tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
  6099. /* Send BD initiator control block */
  6100. printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
  6101. tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
  6102. /* Send BD completion control block */
  6103. printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
  6104. /* Receive list placement control block */
  6105. printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
  6106. tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
  6107. printk(" RCVLPC_STATSCTRL[%08x]\n",
  6108. tr32(RCVLPC_STATSCTRL));
  6109. /* Receive data and receive BD initiator control block */
  6110. printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
  6111. tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
  6112. /* Receive data completion control block */
  6113. printk("DEBUG: RCVDCC_MODE[%08x]\n",
  6114. tr32(RCVDCC_MODE));
  6115. /* Receive BD initiator control block */
  6116. printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
  6117. tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
  6118. /* Receive BD completion control block */
  6119. printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
  6120. tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
  6121. /* Receive list selector control block */
  6122. printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
  6123. tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
  6124. /* Mbuf cluster free block */
  6125. printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
  6126. tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
  6127. /* Host coalescing control block */
  6128. printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
  6129. tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
  6130. printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
  6131. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  6132. tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  6133. printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
  6134. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
  6135. tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
  6136. printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
  6137. tr32(HOSTCC_STATS_BLK_NIC_ADDR));
  6138. printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
  6139. tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
  6140. /* Memory arbiter control block */
  6141. printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
  6142. tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
  6143. /* Buffer manager control block */
  6144. printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
  6145. tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
  6146. printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
  6147. tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
  6148. printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
  6149. "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
  6150. tr32(BUFMGR_DMA_DESC_POOL_ADDR),
  6151. tr32(BUFMGR_DMA_DESC_POOL_SIZE));
  6152. /* Read DMA control block */
  6153. printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
  6154. tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
  6155. /* Write DMA control block */
  6156. printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
  6157. tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
  6158. /* DMA completion block */
  6159. printk("DEBUG: DMAC_MODE[%08x]\n",
  6160. tr32(DMAC_MODE));
  6161. /* GRC block */
  6162. printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
  6163. tr32(GRC_MODE), tr32(GRC_MISC_CFG));
  6164. printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
  6165. tr32(GRC_LOCAL_CTRL));
  6166. /* TG3_BDINFOs */
  6167. printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
  6168. tr32(RCVDBDI_JUMBO_BD + 0x0),
  6169. tr32(RCVDBDI_JUMBO_BD + 0x4),
  6170. tr32(RCVDBDI_JUMBO_BD + 0x8),
  6171. tr32(RCVDBDI_JUMBO_BD + 0xc));
  6172. printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
  6173. tr32(RCVDBDI_STD_BD + 0x0),
  6174. tr32(RCVDBDI_STD_BD + 0x4),
  6175. tr32(RCVDBDI_STD_BD + 0x8),
  6176. tr32(RCVDBDI_STD_BD + 0xc));
  6177. printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
  6178. tr32(RCVDBDI_MINI_BD + 0x0),
  6179. tr32(RCVDBDI_MINI_BD + 0x4),
  6180. tr32(RCVDBDI_MINI_BD + 0x8),
  6181. tr32(RCVDBDI_MINI_BD + 0xc));
  6182. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
  6183. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
  6184. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
  6185. tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
  6186. printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
  6187. val32, val32_2, val32_3, val32_4);
  6188. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
  6189. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
  6190. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
  6191. tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
  6192. printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
  6193. val32, val32_2, val32_3, val32_4);
  6194. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
  6195. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
  6196. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
  6197. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
  6198. tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
  6199. printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
  6200. val32, val32_2, val32_3, val32_4, val32_5);
  6201. /* SW status block */
  6202. printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
  6203. tp->hw_status->status,
  6204. tp->hw_status->status_tag,
  6205. tp->hw_status->rx_jumbo_consumer,
  6206. tp->hw_status->rx_consumer,
  6207. tp->hw_status->rx_mini_consumer,
  6208. tp->hw_status->idx[0].rx_producer,
  6209. tp->hw_status->idx[0].tx_consumer);
  6210. /* SW statistics block */
  6211. printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
  6212. ((u32 *)tp->hw_stats)[0],
  6213. ((u32 *)tp->hw_stats)[1],
  6214. ((u32 *)tp->hw_stats)[2],
  6215. ((u32 *)tp->hw_stats)[3]);
  6216. /* Mailboxes */
  6217. printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
  6218. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
  6219. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
  6220. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
  6221. tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
  6222. /* NIC side send descriptors. */
  6223. for (i = 0; i < 6; i++) {
  6224. unsigned long txd;
  6225. txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
  6226. + (i * sizeof(struct tg3_tx_buffer_desc));
  6227. printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
  6228. i,
  6229. readl(txd + 0x0), readl(txd + 0x4),
  6230. readl(txd + 0x8), readl(txd + 0xc));
  6231. }
  6232. /* NIC side RX descriptors. */
  6233. for (i = 0; i < 6; i++) {
  6234. unsigned long rxd;
  6235. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
  6236. + (i * sizeof(struct tg3_rx_buffer_desc));
  6237. printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
  6238. i,
  6239. readl(rxd + 0x0), readl(rxd + 0x4),
  6240. readl(rxd + 0x8), readl(rxd + 0xc));
  6241. rxd += (4 * sizeof(u32));
  6242. printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
  6243. i,
  6244. readl(rxd + 0x0), readl(rxd + 0x4),
  6245. readl(rxd + 0x8), readl(rxd + 0xc));
  6246. }
  6247. for (i = 0; i < 6; i++) {
  6248. unsigned long rxd;
  6249. rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
  6250. + (i * sizeof(struct tg3_rx_buffer_desc));
  6251. printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
  6252. i,
  6253. readl(rxd + 0x0), readl(rxd + 0x4),
  6254. readl(rxd + 0x8), readl(rxd + 0xc));
  6255. rxd += (4 * sizeof(u32));
  6256. printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
  6257. i,
  6258. readl(rxd + 0x0), readl(rxd + 0x4),
  6259. readl(rxd + 0x8), readl(rxd + 0xc));
  6260. }
  6261. }
  6262. #endif
  6263. static struct net_device_stats *tg3_get_stats(struct net_device *);
  6264. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
  6265. static int tg3_close(struct net_device *dev)
  6266. {
  6267. struct tg3 *tp = netdev_priv(dev);
  6268. /* Calling flush_scheduled_work() may deadlock because
  6269. * linkwatch_event() may be on the workqueue and it will try to get
  6270. * the rtnl_lock which we are holding.
  6271. */
  6272. while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
  6273. msleep(1);
  6274. netif_stop_queue(dev);
  6275. del_timer_sync(&tp->timer);
  6276. tg3_full_lock(tp, 1);
  6277. #if 0
  6278. tg3_dump_state(tp);
  6279. #endif
  6280. tg3_disable_ints(tp);
  6281. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6282. tg3_free_rings(tp);
  6283. tp->tg3_flags &=
  6284. ~(TG3_FLAG_INIT_COMPLETE |
  6285. TG3_FLAG_GOT_SERDES_FLOWCTL);
  6286. tg3_full_unlock(tp);
  6287. free_irq(tp->pdev->irq, dev);
  6288. if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
  6289. pci_disable_msi(tp->pdev);
  6290. tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
  6291. }
  6292. memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
  6293. sizeof(tp->net_stats_prev));
  6294. memcpy(&tp->estats_prev, tg3_get_estats(tp),
  6295. sizeof(tp->estats_prev));
  6296. tg3_free_consistent(tp);
  6297. tg3_set_power_state(tp, PCI_D3hot);
  6298. netif_carrier_off(tp->dev);
  6299. return 0;
  6300. }
  6301. static inline unsigned long get_stat64(tg3_stat64_t *val)
  6302. {
  6303. unsigned long ret;
  6304. #if (BITS_PER_LONG == 32)
  6305. ret = val->low;
  6306. #else
  6307. ret = ((u64)val->high << 32) | ((u64)val->low);
  6308. #endif
  6309. return ret;
  6310. }
  6311. static unsigned long calc_crc_errors(struct tg3 *tp)
  6312. {
  6313. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  6314. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
  6315. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  6316. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
  6317. u32 val;
  6318. spin_lock_bh(&tp->lock);
  6319. if (!tg3_readphy(tp, 0x1e, &val)) {
  6320. tg3_writephy(tp, 0x1e, val | 0x8000);
  6321. tg3_readphy(tp, 0x14, &val);
  6322. } else
  6323. val = 0;
  6324. spin_unlock_bh(&tp->lock);
  6325. tp->phy_crc_errors += val;
  6326. return tp->phy_crc_errors;
  6327. }
  6328. return get_stat64(&hw_stats->rx_fcs_errors);
  6329. }
  6330. #define ESTAT_ADD(member) \
  6331. estats->member = old_estats->member + \
  6332. get_stat64(&hw_stats->member)
  6333. static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
  6334. {
  6335. struct tg3_ethtool_stats *estats = &tp->estats;
  6336. struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
  6337. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  6338. if (!hw_stats)
  6339. return old_estats;
  6340. ESTAT_ADD(rx_octets);
  6341. ESTAT_ADD(rx_fragments);
  6342. ESTAT_ADD(rx_ucast_packets);
  6343. ESTAT_ADD(rx_mcast_packets);
  6344. ESTAT_ADD(rx_bcast_packets);
  6345. ESTAT_ADD(rx_fcs_errors);
  6346. ESTAT_ADD(rx_align_errors);
  6347. ESTAT_ADD(rx_xon_pause_rcvd);
  6348. ESTAT_ADD(rx_xoff_pause_rcvd);
  6349. ESTAT_ADD(rx_mac_ctrl_rcvd);
  6350. ESTAT_ADD(rx_xoff_entered);
  6351. ESTAT_ADD(rx_frame_too_long_errors);
  6352. ESTAT_ADD(rx_jabbers);
  6353. ESTAT_ADD(rx_undersize_packets);
  6354. ESTAT_ADD(rx_in_length_errors);
  6355. ESTAT_ADD(rx_out_length_errors);
  6356. ESTAT_ADD(rx_64_or_less_octet_packets);
  6357. ESTAT_ADD(rx_65_to_127_octet_packets);
  6358. ESTAT_ADD(rx_128_to_255_octet_packets);
  6359. ESTAT_ADD(rx_256_to_511_octet_packets);
  6360. ESTAT_ADD(rx_512_to_1023_octet_packets);
  6361. ESTAT_ADD(rx_1024_to_1522_octet_packets);
  6362. ESTAT_ADD(rx_1523_to_2047_octet_packets);
  6363. ESTAT_ADD(rx_2048_to_4095_octet_packets);
  6364. ESTAT_ADD(rx_4096_to_8191_octet_packets);
  6365. ESTAT_ADD(rx_8192_to_9022_octet_packets);
  6366. ESTAT_ADD(tx_octets);
  6367. ESTAT_ADD(tx_collisions);
  6368. ESTAT_ADD(tx_xon_sent);
  6369. ESTAT_ADD(tx_xoff_sent);
  6370. ESTAT_ADD(tx_flow_control);
  6371. ESTAT_ADD(tx_mac_errors);
  6372. ESTAT_ADD(tx_single_collisions);
  6373. ESTAT_ADD(tx_mult_collisions);
  6374. ESTAT_ADD(tx_deferred);
  6375. ESTAT_ADD(tx_excessive_collisions);
  6376. ESTAT_ADD(tx_late_collisions);
  6377. ESTAT_ADD(tx_collide_2times);
  6378. ESTAT_ADD(tx_collide_3times);
  6379. ESTAT_ADD(tx_collide_4times);
  6380. ESTAT_ADD(tx_collide_5times);
  6381. ESTAT_ADD(tx_collide_6times);
  6382. ESTAT_ADD(tx_collide_7times);
  6383. ESTAT_ADD(tx_collide_8times);
  6384. ESTAT_ADD(tx_collide_9times);
  6385. ESTAT_ADD(tx_collide_10times);
  6386. ESTAT_ADD(tx_collide_11times);
  6387. ESTAT_ADD(tx_collide_12times);
  6388. ESTAT_ADD(tx_collide_13times);
  6389. ESTAT_ADD(tx_collide_14times);
  6390. ESTAT_ADD(tx_collide_15times);
  6391. ESTAT_ADD(tx_ucast_packets);
  6392. ESTAT_ADD(tx_mcast_packets);
  6393. ESTAT_ADD(tx_bcast_packets);
  6394. ESTAT_ADD(tx_carrier_sense_errors);
  6395. ESTAT_ADD(tx_discards);
  6396. ESTAT_ADD(tx_errors);
  6397. ESTAT_ADD(dma_writeq_full);
  6398. ESTAT_ADD(dma_write_prioq_full);
  6399. ESTAT_ADD(rxbds_empty);
  6400. ESTAT_ADD(rx_discards);
  6401. ESTAT_ADD(rx_errors);
  6402. ESTAT_ADD(rx_threshold_hit);
  6403. ESTAT_ADD(dma_readq_full);
  6404. ESTAT_ADD(dma_read_prioq_full);
  6405. ESTAT_ADD(tx_comp_queue_full);
  6406. ESTAT_ADD(ring_set_send_prod_index);
  6407. ESTAT_ADD(ring_status_update);
  6408. ESTAT_ADD(nic_irqs);
  6409. ESTAT_ADD(nic_avoided_irqs);
  6410. ESTAT_ADD(nic_tx_threshold_hit);
  6411. return estats;
  6412. }
  6413. static struct net_device_stats *tg3_get_stats(struct net_device *dev)
  6414. {
  6415. struct tg3 *tp = netdev_priv(dev);
  6416. struct net_device_stats *stats = &tp->net_stats;
  6417. struct net_device_stats *old_stats = &tp->net_stats_prev;
  6418. struct tg3_hw_stats *hw_stats = tp->hw_stats;
  6419. if (!hw_stats)
  6420. return old_stats;
  6421. stats->rx_packets = old_stats->rx_packets +
  6422. get_stat64(&hw_stats->rx_ucast_packets) +
  6423. get_stat64(&hw_stats->rx_mcast_packets) +
  6424. get_stat64(&hw_stats->rx_bcast_packets);
  6425. stats->tx_packets = old_stats->tx_packets +
  6426. get_stat64(&hw_stats->tx_ucast_packets) +
  6427. get_stat64(&hw_stats->tx_mcast_packets) +
  6428. get_stat64(&hw_stats->tx_bcast_packets);
  6429. stats->rx_bytes = old_stats->rx_bytes +
  6430. get_stat64(&hw_stats->rx_octets);
  6431. stats->tx_bytes = old_stats->tx_bytes +
  6432. get_stat64(&hw_stats->tx_octets);
  6433. stats->rx_errors = old_stats->rx_errors +
  6434. get_stat64(&hw_stats->rx_errors);
  6435. stats->tx_errors = old_stats->tx_errors +
  6436. get_stat64(&hw_stats->tx_errors) +
  6437. get_stat64(&hw_stats->tx_mac_errors) +
  6438. get_stat64(&hw_stats->tx_carrier_sense_errors) +
  6439. get_stat64(&hw_stats->tx_discards);
  6440. stats->multicast = old_stats->multicast +
  6441. get_stat64(&hw_stats->rx_mcast_packets);
  6442. stats->collisions = old_stats->collisions +
  6443. get_stat64(&hw_stats->tx_collisions);
  6444. stats->rx_length_errors = old_stats->rx_length_errors +
  6445. get_stat64(&hw_stats->rx_frame_too_long_errors) +
  6446. get_stat64(&hw_stats->rx_undersize_packets);
  6447. stats->rx_over_errors = old_stats->rx_over_errors +
  6448. get_stat64(&hw_stats->rxbds_empty);
  6449. stats->rx_frame_errors = old_stats->rx_frame_errors +
  6450. get_stat64(&hw_stats->rx_align_errors);
  6451. stats->tx_aborted_errors = old_stats->tx_aborted_errors +
  6452. get_stat64(&hw_stats->tx_discards);
  6453. stats->tx_carrier_errors = old_stats->tx_carrier_errors +
  6454. get_stat64(&hw_stats->tx_carrier_sense_errors);
  6455. stats->rx_crc_errors = old_stats->rx_crc_errors +
  6456. calc_crc_errors(tp);
  6457. stats->rx_missed_errors = old_stats->rx_missed_errors +
  6458. get_stat64(&hw_stats->rx_discards);
  6459. return stats;
  6460. }
  6461. static inline u32 calc_crc(unsigned char *buf, int len)
  6462. {
  6463. u32 reg;
  6464. u32 tmp;
  6465. int j, k;
  6466. reg = 0xffffffff;
  6467. for (j = 0; j < len; j++) {
  6468. reg ^= buf[j];
  6469. for (k = 0; k < 8; k++) {
  6470. tmp = reg & 0x01;
  6471. reg >>= 1;
  6472. if (tmp) {
  6473. reg ^= 0xedb88320;
  6474. }
  6475. }
  6476. }
  6477. return ~reg;
  6478. }
  6479. static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
  6480. {
  6481. /* accept or reject all multicast frames */
  6482. tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
  6483. tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
  6484. tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
  6485. tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
  6486. }
  6487. static void __tg3_set_rx_mode(struct net_device *dev)
  6488. {
  6489. struct tg3 *tp = netdev_priv(dev);
  6490. u32 rx_mode;
  6491. rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
  6492. RX_MODE_KEEP_VLAN_TAG);
  6493. /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
  6494. * flag clear.
  6495. */
  6496. #if TG3_VLAN_TAG_USED
  6497. if (!tp->vlgrp &&
  6498. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  6499. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  6500. #else
  6501. /* By definition, VLAN is disabled always in this
  6502. * case.
  6503. */
  6504. if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
  6505. rx_mode |= RX_MODE_KEEP_VLAN_TAG;
  6506. #endif
  6507. if (dev->flags & IFF_PROMISC) {
  6508. /* Promiscuous mode. */
  6509. rx_mode |= RX_MODE_PROMISC;
  6510. } else if (dev->flags & IFF_ALLMULTI) {
  6511. /* Accept all multicast. */
  6512. tg3_set_multi (tp, 1);
  6513. } else if (dev->mc_count < 1) {
  6514. /* Reject all multicast. */
  6515. tg3_set_multi (tp, 0);
  6516. } else {
  6517. /* Accept one or more multicast(s). */
  6518. struct dev_mc_list *mclist;
  6519. unsigned int i;
  6520. u32 mc_filter[4] = { 0, };
  6521. u32 regidx;
  6522. u32 bit;
  6523. u32 crc;
  6524. for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
  6525. i++, mclist = mclist->next) {
  6526. crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
  6527. bit = ~crc & 0x7f;
  6528. regidx = (bit & 0x60) >> 5;
  6529. bit &= 0x1f;
  6530. mc_filter[regidx] |= (1 << bit);
  6531. }
  6532. tw32(MAC_HASH_REG_0, mc_filter[0]);
  6533. tw32(MAC_HASH_REG_1, mc_filter[1]);
  6534. tw32(MAC_HASH_REG_2, mc_filter[2]);
  6535. tw32(MAC_HASH_REG_3, mc_filter[3]);
  6536. }
  6537. if (rx_mode != tp->rx_mode) {
  6538. tp->rx_mode = rx_mode;
  6539. tw32_f(MAC_RX_MODE, rx_mode);
  6540. udelay(10);
  6541. }
  6542. }
  6543. static void tg3_set_rx_mode(struct net_device *dev)
  6544. {
  6545. struct tg3 *tp = netdev_priv(dev);
  6546. if (!netif_running(dev))
  6547. return;
  6548. tg3_full_lock(tp, 0);
  6549. __tg3_set_rx_mode(dev);
  6550. tg3_full_unlock(tp);
  6551. }
  6552. #define TG3_REGDUMP_LEN (32 * 1024)
  6553. static int tg3_get_regs_len(struct net_device *dev)
  6554. {
  6555. return TG3_REGDUMP_LEN;
  6556. }
  6557. static void tg3_get_regs(struct net_device *dev,
  6558. struct ethtool_regs *regs, void *_p)
  6559. {
  6560. u32 *p = _p;
  6561. struct tg3 *tp = netdev_priv(dev);
  6562. u8 *orig_p = _p;
  6563. int i;
  6564. regs->version = 0;
  6565. memset(p, 0, TG3_REGDUMP_LEN);
  6566. if (tp->link_config.phy_is_low_power)
  6567. return;
  6568. tg3_full_lock(tp, 0);
  6569. #define __GET_REG32(reg) (*(p)++ = tr32(reg))
  6570. #define GET_REG32_LOOP(base,len) \
  6571. do { p = (u32 *)(orig_p + (base)); \
  6572. for (i = 0; i < len; i += 4) \
  6573. __GET_REG32((base) + i); \
  6574. } while (0)
  6575. #define GET_REG32_1(reg) \
  6576. do { p = (u32 *)(orig_p + (reg)); \
  6577. __GET_REG32((reg)); \
  6578. } while (0)
  6579. GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
  6580. GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
  6581. GET_REG32_LOOP(MAC_MODE, 0x4f0);
  6582. GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
  6583. GET_REG32_1(SNDDATAC_MODE);
  6584. GET_REG32_LOOP(SNDBDS_MODE, 0x80);
  6585. GET_REG32_LOOP(SNDBDI_MODE, 0x48);
  6586. GET_REG32_1(SNDBDC_MODE);
  6587. GET_REG32_LOOP(RCVLPC_MODE, 0x20);
  6588. GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
  6589. GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
  6590. GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
  6591. GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
  6592. GET_REG32_1(RCVDCC_MODE);
  6593. GET_REG32_LOOP(RCVBDI_MODE, 0x20);
  6594. GET_REG32_LOOP(RCVCC_MODE, 0x14);
  6595. GET_REG32_LOOP(RCVLSC_MODE, 0x08);
  6596. GET_REG32_1(MBFREE_MODE);
  6597. GET_REG32_LOOP(HOSTCC_MODE, 0x100);
  6598. GET_REG32_LOOP(MEMARB_MODE, 0x10);
  6599. GET_REG32_LOOP(BUFMGR_MODE, 0x58);
  6600. GET_REG32_LOOP(RDMAC_MODE, 0x08);
  6601. GET_REG32_LOOP(WDMAC_MODE, 0x08);
  6602. GET_REG32_1(RX_CPU_MODE);
  6603. GET_REG32_1(RX_CPU_STATE);
  6604. GET_REG32_1(RX_CPU_PGMCTR);
  6605. GET_REG32_1(RX_CPU_HWBKPT);
  6606. GET_REG32_1(TX_CPU_MODE);
  6607. GET_REG32_1(TX_CPU_STATE);
  6608. GET_REG32_1(TX_CPU_PGMCTR);
  6609. GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
  6610. GET_REG32_LOOP(FTQ_RESET, 0x120);
  6611. GET_REG32_LOOP(MSGINT_MODE, 0x0c);
  6612. GET_REG32_1(DMAC_MODE);
  6613. GET_REG32_LOOP(GRC_MODE, 0x4c);
  6614. if (tp->tg3_flags & TG3_FLAG_NVRAM)
  6615. GET_REG32_LOOP(NVRAM_CMD, 0x24);
  6616. #undef __GET_REG32
  6617. #undef GET_REG32_LOOP
  6618. #undef GET_REG32_1
  6619. tg3_full_unlock(tp);
  6620. }
  6621. static int tg3_get_eeprom_len(struct net_device *dev)
  6622. {
  6623. struct tg3 *tp = netdev_priv(dev);
  6624. return tp->nvram_size;
  6625. }
  6626. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
  6627. static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
  6628. static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6629. {
  6630. struct tg3 *tp = netdev_priv(dev);
  6631. int ret;
  6632. u8 *pd;
  6633. u32 i, offset, len, val, b_offset, b_count;
  6634. if (tp->link_config.phy_is_low_power)
  6635. return -EAGAIN;
  6636. offset = eeprom->offset;
  6637. len = eeprom->len;
  6638. eeprom->len = 0;
  6639. eeprom->magic = TG3_EEPROM_MAGIC;
  6640. if (offset & 3) {
  6641. /* adjustments to start on required 4 byte boundary */
  6642. b_offset = offset & 3;
  6643. b_count = 4 - b_offset;
  6644. if (b_count > len) {
  6645. /* i.e. offset=1 len=2 */
  6646. b_count = len;
  6647. }
  6648. ret = tg3_nvram_read(tp, offset-b_offset, &val);
  6649. if (ret)
  6650. return ret;
  6651. val = cpu_to_le32(val);
  6652. memcpy(data, ((char*)&val) + b_offset, b_count);
  6653. len -= b_count;
  6654. offset += b_count;
  6655. eeprom->len += b_count;
  6656. }
  6657. /* read bytes upto the last 4 byte boundary */
  6658. pd = &data[eeprom->len];
  6659. for (i = 0; i < (len - (len & 3)); i += 4) {
  6660. ret = tg3_nvram_read(tp, offset + i, &val);
  6661. if (ret) {
  6662. eeprom->len += i;
  6663. return ret;
  6664. }
  6665. val = cpu_to_le32(val);
  6666. memcpy(pd + i, &val, 4);
  6667. }
  6668. eeprom->len += i;
  6669. if (len & 3) {
  6670. /* read last bytes not ending on 4 byte boundary */
  6671. pd = &data[eeprom->len];
  6672. b_count = len & 3;
  6673. b_offset = offset + len - b_count;
  6674. ret = tg3_nvram_read(tp, b_offset, &val);
  6675. if (ret)
  6676. return ret;
  6677. val = cpu_to_le32(val);
  6678. memcpy(pd, ((char*)&val), b_count);
  6679. eeprom->len += b_count;
  6680. }
  6681. return 0;
  6682. }
  6683. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
  6684. static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
  6685. {
  6686. struct tg3 *tp = netdev_priv(dev);
  6687. int ret;
  6688. u32 offset, len, b_offset, odd_len, start, end;
  6689. u8 *buf;
  6690. if (tp->link_config.phy_is_low_power)
  6691. return -EAGAIN;
  6692. if (eeprom->magic != TG3_EEPROM_MAGIC)
  6693. return -EINVAL;
  6694. offset = eeprom->offset;
  6695. len = eeprom->len;
  6696. if ((b_offset = (offset & 3))) {
  6697. /* adjustments to start on required 4 byte boundary */
  6698. ret = tg3_nvram_read(tp, offset-b_offset, &start);
  6699. if (ret)
  6700. return ret;
  6701. start = cpu_to_le32(start);
  6702. len += b_offset;
  6703. offset &= ~3;
  6704. if (len < 4)
  6705. len = 4;
  6706. }
  6707. odd_len = 0;
  6708. if (len & 3) {
  6709. /* adjustments to end on required 4 byte boundary */
  6710. odd_len = 1;
  6711. len = (len + 3) & ~3;
  6712. ret = tg3_nvram_read(tp, offset+len-4, &end);
  6713. if (ret)
  6714. return ret;
  6715. end = cpu_to_le32(end);
  6716. }
  6717. buf = data;
  6718. if (b_offset || odd_len) {
  6719. buf = kmalloc(len, GFP_KERNEL);
  6720. if (buf == 0)
  6721. return -ENOMEM;
  6722. if (b_offset)
  6723. memcpy(buf, &start, 4);
  6724. if (odd_len)
  6725. memcpy(buf+len-4, &end, 4);
  6726. memcpy(buf + b_offset, data, eeprom->len);
  6727. }
  6728. ret = tg3_nvram_write_block(tp, offset, len, buf);
  6729. if (buf != data)
  6730. kfree(buf);
  6731. return ret;
  6732. }
  6733. static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6734. {
  6735. struct tg3 *tp = netdev_priv(dev);
  6736. cmd->supported = (SUPPORTED_Autoneg);
  6737. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  6738. cmd->supported |= (SUPPORTED_1000baseT_Half |
  6739. SUPPORTED_1000baseT_Full);
  6740. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
  6741. cmd->supported |= (SUPPORTED_100baseT_Half |
  6742. SUPPORTED_100baseT_Full |
  6743. SUPPORTED_10baseT_Half |
  6744. SUPPORTED_10baseT_Full |
  6745. SUPPORTED_MII);
  6746. cmd->port = PORT_TP;
  6747. } else {
  6748. cmd->supported |= SUPPORTED_FIBRE;
  6749. cmd->port = PORT_FIBRE;
  6750. }
  6751. cmd->advertising = tp->link_config.advertising;
  6752. if (netif_running(dev)) {
  6753. cmd->speed = tp->link_config.active_speed;
  6754. cmd->duplex = tp->link_config.active_duplex;
  6755. }
  6756. cmd->phy_address = PHY_ADDR;
  6757. cmd->transceiver = 0;
  6758. cmd->autoneg = tp->link_config.autoneg;
  6759. cmd->maxtxpkt = 0;
  6760. cmd->maxrxpkt = 0;
  6761. return 0;
  6762. }
  6763. static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  6764. {
  6765. struct tg3 *tp = netdev_priv(dev);
  6766. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
  6767. /* These are the only valid advertisement bits allowed. */
  6768. if (cmd->autoneg == AUTONEG_ENABLE &&
  6769. (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
  6770. ADVERTISED_1000baseT_Full |
  6771. ADVERTISED_Autoneg |
  6772. ADVERTISED_FIBRE)))
  6773. return -EINVAL;
  6774. /* Fiber can only do SPEED_1000. */
  6775. else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  6776. (cmd->speed != SPEED_1000))
  6777. return -EINVAL;
  6778. /* Copper cannot force SPEED_1000. */
  6779. } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
  6780. (cmd->speed == SPEED_1000))
  6781. return -EINVAL;
  6782. else if ((cmd->speed == SPEED_1000) &&
  6783. (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
  6784. return -EINVAL;
  6785. tg3_full_lock(tp, 0);
  6786. tp->link_config.autoneg = cmd->autoneg;
  6787. if (cmd->autoneg == AUTONEG_ENABLE) {
  6788. tp->link_config.advertising = cmd->advertising;
  6789. tp->link_config.speed = SPEED_INVALID;
  6790. tp->link_config.duplex = DUPLEX_INVALID;
  6791. } else {
  6792. tp->link_config.advertising = 0;
  6793. tp->link_config.speed = cmd->speed;
  6794. tp->link_config.duplex = cmd->duplex;
  6795. }
  6796. tp->link_config.orig_speed = tp->link_config.speed;
  6797. tp->link_config.orig_duplex = tp->link_config.duplex;
  6798. tp->link_config.orig_autoneg = tp->link_config.autoneg;
  6799. if (netif_running(dev))
  6800. tg3_setup_phy(tp, 1);
  6801. tg3_full_unlock(tp);
  6802. return 0;
  6803. }
  6804. static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
  6805. {
  6806. struct tg3 *tp = netdev_priv(dev);
  6807. strcpy(info->driver, DRV_MODULE_NAME);
  6808. strcpy(info->version, DRV_MODULE_VERSION);
  6809. strcpy(info->fw_version, tp->fw_ver);
  6810. strcpy(info->bus_info, pci_name(tp->pdev));
  6811. }
  6812. static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6813. {
  6814. struct tg3 *tp = netdev_priv(dev);
  6815. wol->supported = WAKE_MAGIC;
  6816. wol->wolopts = 0;
  6817. if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
  6818. wol->wolopts = WAKE_MAGIC;
  6819. memset(&wol->sopass, 0, sizeof(wol->sopass));
  6820. }
  6821. static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  6822. {
  6823. struct tg3 *tp = netdev_priv(dev);
  6824. if (wol->wolopts & ~WAKE_MAGIC)
  6825. return -EINVAL;
  6826. if ((wol->wolopts & WAKE_MAGIC) &&
  6827. tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
  6828. !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
  6829. return -EINVAL;
  6830. spin_lock_bh(&tp->lock);
  6831. if (wol->wolopts & WAKE_MAGIC)
  6832. tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
  6833. else
  6834. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  6835. spin_unlock_bh(&tp->lock);
  6836. return 0;
  6837. }
  6838. static u32 tg3_get_msglevel(struct net_device *dev)
  6839. {
  6840. struct tg3 *tp = netdev_priv(dev);
  6841. return tp->msg_enable;
  6842. }
  6843. static void tg3_set_msglevel(struct net_device *dev, u32 value)
  6844. {
  6845. struct tg3 *tp = netdev_priv(dev);
  6846. tp->msg_enable = value;
  6847. }
  6848. #if TG3_TSO_SUPPORT != 0
  6849. static int tg3_set_tso(struct net_device *dev, u32 value)
  6850. {
  6851. struct tg3 *tp = netdev_priv(dev);
  6852. if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
  6853. if (value)
  6854. return -EINVAL;
  6855. return 0;
  6856. }
  6857. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
  6858. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
  6859. if (value)
  6860. dev->features |= NETIF_F_TSO6;
  6861. else
  6862. dev->features &= ~NETIF_F_TSO6;
  6863. }
  6864. return ethtool_op_set_tso(dev, value);
  6865. }
  6866. #endif
  6867. static int tg3_nway_reset(struct net_device *dev)
  6868. {
  6869. struct tg3 *tp = netdev_priv(dev);
  6870. u32 bmcr;
  6871. int r;
  6872. if (!netif_running(dev))
  6873. return -EAGAIN;
  6874. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  6875. return -EINVAL;
  6876. spin_lock_bh(&tp->lock);
  6877. r = -EINVAL;
  6878. tg3_readphy(tp, MII_BMCR, &bmcr);
  6879. if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
  6880. ((bmcr & BMCR_ANENABLE) ||
  6881. (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
  6882. tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
  6883. BMCR_ANENABLE);
  6884. r = 0;
  6885. }
  6886. spin_unlock_bh(&tp->lock);
  6887. return r;
  6888. }
  6889. static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6890. {
  6891. struct tg3 *tp = netdev_priv(dev);
  6892. ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
  6893. ering->rx_mini_max_pending = 0;
  6894. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
  6895. ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
  6896. else
  6897. ering->rx_jumbo_max_pending = 0;
  6898. ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
  6899. ering->rx_pending = tp->rx_pending;
  6900. ering->rx_mini_pending = 0;
  6901. if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
  6902. ering->rx_jumbo_pending = tp->rx_jumbo_pending;
  6903. else
  6904. ering->rx_jumbo_pending = 0;
  6905. ering->tx_pending = tp->tx_pending;
  6906. }
  6907. static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
  6908. {
  6909. struct tg3 *tp = netdev_priv(dev);
  6910. int irq_sync = 0, err = 0;
  6911. if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
  6912. (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
  6913. (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
  6914. (ering->tx_pending <= MAX_SKB_FRAGS) ||
  6915. ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG) &&
  6916. (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
  6917. return -EINVAL;
  6918. if (netif_running(dev)) {
  6919. tg3_netif_stop(tp);
  6920. irq_sync = 1;
  6921. }
  6922. tg3_full_lock(tp, irq_sync);
  6923. tp->rx_pending = ering->rx_pending;
  6924. if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
  6925. tp->rx_pending > 63)
  6926. tp->rx_pending = 63;
  6927. tp->rx_jumbo_pending = ering->rx_jumbo_pending;
  6928. tp->tx_pending = ering->tx_pending;
  6929. if (netif_running(dev)) {
  6930. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6931. err = tg3_restart_hw(tp, 1);
  6932. if (!err)
  6933. tg3_netif_start(tp);
  6934. }
  6935. tg3_full_unlock(tp);
  6936. return err;
  6937. }
  6938. static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6939. {
  6940. struct tg3 *tp = netdev_priv(dev);
  6941. epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
  6942. epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
  6943. epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
  6944. }
  6945. static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
  6946. {
  6947. struct tg3 *tp = netdev_priv(dev);
  6948. int irq_sync = 0, err = 0;
  6949. if (netif_running(dev)) {
  6950. tg3_netif_stop(tp);
  6951. irq_sync = 1;
  6952. }
  6953. tg3_full_lock(tp, irq_sync);
  6954. if (epause->autoneg)
  6955. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  6956. else
  6957. tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
  6958. if (epause->rx_pause)
  6959. tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
  6960. else
  6961. tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
  6962. if (epause->tx_pause)
  6963. tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
  6964. else
  6965. tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
  6966. if (netif_running(dev)) {
  6967. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  6968. err = tg3_restart_hw(tp, 1);
  6969. if (!err)
  6970. tg3_netif_start(tp);
  6971. }
  6972. tg3_full_unlock(tp);
  6973. return err;
  6974. }
  6975. static u32 tg3_get_rx_csum(struct net_device *dev)
  6976. {
  6977. struct tg3 *tp = netdev_priv(dev);
  6978. return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
  6979. }
  6980. static int tg3_set_rx_csum(struct net_device *dev, u32 data)
  6981. {
  6982. struct tg3 *tp = netdev_priv(dev);
  6983. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  6984. if (data != 0)
  6985. return -EINVAL;
  6986. return 0;
  6987. }
  6988. spin_lock_bh(&tp->lock);
  6989. if (data)
  6990. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  6991. else
  6992. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  6993. spin_unlock_bh(&tp->lock);
  6994. return 0;
  6995. }
  6996. static int tg3_set_tx_csum(struct net_device *dev, u32 data)
  6997. {
  6998. struct tg3 *tp = netdev_priv(dev);
  6999. if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
  7000. if (data != 0)
  7001. return -EINVAL;
  7002. return 0;
  7003. }
  7004. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  7005. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  7006. ethtool_op_set_tx_hw_csum(dev, data);
  7007. else
  7008. ethtool_op_set_tx_csum(dev, data);
  7009. return 0;
  7010. }
  7011. static int tg3_get_stats_count (struct net_device *dev)
  7012. {
  7013. return TG3_NUM_STATS;
  7014. }
  7015. static int tg3_get_test_count (struct net_device *dev)
  7016. {
  7017. return TG3_NUM_TEST;
  7018. }
  7019. static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
  7020. {
  7021. switch (stringset) {
  7022. case ETH_SS_STATS:
  7023. memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
  7024. break;
  7025. case ETH_SS_TEST:
  7026. memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
  7027. break;
  7028. default:
  7029. WARN_ON(1); /* we need a WARN() */
  7030. break;
  7031. }
  7032. }
  7033. static int tg3_phys_id(struct net_device *dev, u32 data)
  7034. {
  7035. struct tg3 *tp = netdev_priv(dev);
  7036. int i;
  7037. if (!netif_running(tp->dev))
  7038. return -EAGAIN;
  7039. if (data == 0)
  7040. data = 2;
  7041. for (i = 0; i < (data * 2); i++) {
  7042. if ((i % 2) == 0)
  7043. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  7044. LED_CTRL_1000MBPS_ON |
  7045. LED_CTRL_100MBPS_ON |
  7046. LED_CTRL_10MBPS_ON |
  7047. LED_CTRL_TRAFFIC_OVERRIDE |
  7048. LED_CTRL_TRAFFIC_BLINK |
  7049. LED_CTRL_TRAFFIC_LED);
  7050. else
  7051. tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
  7052. LED_CTRL_TRAFFIC_OVERRIDE);
  7053. if (msleep_interruptible(500))
  7054. break;
  7055. }
  7056. tw32(MAC_LED_CTRL, tp->led_ctrl);
  7057. return 0;
  7058. }
  7059. static void tg3_get_ethtool_stats (struct net_device *dev,
  7060. struct ethtool_stats *estats, u64 *tmp_stats)
  7061. {
  7062. struct tg3 *tp = netdev_priv(dev);
  7063. memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
  7064. }
  7065. #define NVRAM_TEST_SIZE 0x100
  7066. #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
  7067. #define NVRAM_SELFBOOT_HW_SIZE 0x20
  7068. #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
  7069. static int tg3_test_nvram(struct tg3 *tp)
  7070. {
  7071. u32 *buf, csum, magic;
  7072. int i, j, err = 0, size;
  7073. if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
  7074. return -EIO;
  7075. if (magic == TG3_EEPROM_MAGIC)
  7076. size = NVRAM_TEST_SIZE;
  7077. else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
  7078. if ((magic & 0xe00000) == 0x200000)
  7079. size = NVRAM_SELFBOOT_FORMAT1_SIZE;
  7080. else
  7081. return 0;
  7082. } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
  7083. size = NVRAM_SELFBOOT_HW_SIZE;
  7084. else
  7085. return -EIO;
  7086. buf = kmalloc(size, GFP_KERNEL);
  7087. if (buf == NULL)
  7088. return -ENOMEM;
  7089. err = -EIO;
  7090. for (i = 0, j = 0; i < size; i += 4, j++) {
  7091. u32 val;
  7092. if ((err = tg3_nvram_read(tp, i, &val)) != 0)
  7093. break;
  7094. buf[j] = cpu_to_le32(val);
  7095. }
  7096. if (i < size)
  7097. goto out;
  7098. /* Selfboot format */
  7099. if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
  7100. TG3_EEPROM_MAGIC_FW) {
  7101. u8 *buf8 = (u8 *) buf, csum8 = 0;
  7102. for (i = 0; i < size; i++)
  7103. csum8 += buf8[i];
  7104. if (csum8 == 0) {
  7105. err = 0;
  7106. goto out;
  7107. }
  7108. err = -EIO;
  7109. goto out;
  7110. }
  7111. if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
  7112. TG3_EEPROM_MAGIC_HW) {
  7113. u8 data[NVRAM_SELFBOOT_DATA_SIZE];
  7114. u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
  7115. u8 *buf8 = (u8 *) buf;
  7116. int j, k;
  7117. /* Separate the parity bits and the data bytes. */
  7118. for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
  7119. if ((i == 0) || (i == 8)) {
  7120. int l;
  7121. u8 msk;
  7122. for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
  7123. parity[k++] = buf8[i] & msk;
  7124. i++;
  7125. }
  7126. else if (i == 16) {
  7127. int l;
  7128. u8 msk;
  7129. for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
  7130. parity[k++] = buf8[i] & msk;
  7131. i++;
  7132. for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
  7133. parity[k++] = buf8[i] & msk;
  7134. i++;
  7135. }
  7136. data[j++] = buf8[i];
  7137. }
  7138. err = -EIO;
  7139. for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
  7140. u8 hw8 = hweight8(data[i]);
  7141. if ((hw8 & 0x1) && parity[i])
  7142. goto out;
  7143. else if (!(hw8 & 0x1) && !parity[i])
  7144. goto out;
  7145. }
  7146. err = 0;
  7147. goto out;
  7148. }
  7149. /* Bootstrap checksum at offset 0x10 */
  7150. csum = calc_crc((unsigned char *) buf, 0x10);
  7151. if(csum != cpu_to_le32(buf[0x10/4]))
  7152. goto out;
  7153. /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
  7154. csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
  7155. if (csum != cpu_to_le32(buf[0xfc/4]))
  7156. goto out;
  7157. err = 0;
  7158. out:
  7159. kfree(buf);
  7160. return err;
  7161. }
  7162. #define TG3_SERDES_TIMEOUT_SEC 2
  7163. #define TG3_COPPER_TIMEOUT_SEC 6
  7164. static int tg3_test_link(struct tg3 *tp)
  7165. {
  7166. int i, max;
  7167. if (!netif_running(tp->dev))
  7168. return -ENODEV;
  7169. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  7170. max = TG3_SERDES_TIMEOUT_SEC;
  7171. else
  7172. max = TG3_COPPER_TIMEOUT_SEC;
  7173. for (i = 0; i < max; i++) {
  7174. if (netif_carrier_ok(tp->dev))
  7175. return 0;
  7176. if (msleep_interruptible(1000))
  7177. break;
  7178. }
  7179. return -EIO;
  7180. }
  7181. /* Only test the commonly used registers */
  7182. static int tg3_test_registers(struct tg3 *tp)
  7183. {
  7184. int i, is_5705, is_5750;
  7185. u32 offset, read_mask, write_mask, val, save_val, read_val;
  7186. static struct {
  7187. u16 offset;
  7188. u16 flags;
  7189. #define TG3_FL_5705 0x1
  7190. #define TG3_FL_NOT_5705 0x2
  7191. #define TG3_FL_NOT_5788 0x4
  7192. #define TG3_FL_NOT_5750 0x8
  7193. u32 read_mask;
  7194. u32 write_mask;
  7195. } reg_tbl[] = {
  7196. /* MAC Control Registers */
  7197. { MAC_MODE, TG3_FL_NOT_5705,
  7198. 0x00000000, 0x00ef6f8c },
  7199. { MAC_MODE, TG3_FL_5705,
  7200. 0x00000000, 0x01ef6b8c },
  7201. { MAC_STATUS, TG3_FL_NOT_5705,
  7202. 0x03800107, 0x00000000 },
  7203. { MAC_STATUS, TG3_FL_5705,
  7204. 0x03800100, 0x00000000 },
  7205. { MAC_ADDR_0_HIGH, 0x0000,
  7206. 0x00000000, 0x0000ffff },
  7207. { MAC_ADDR_0_LOW, 0x0000,
  7208. 0x00000000, 0xffffffff },
  7209. { MAC_RX_MTU_SIZE, 0x0000,
  7210. 0x00000000, 0x0000ffff },
  7211. { MAC_TX_MODE, 0x0000,
  7212. 0x00000000, 0x00000070 },
  7213. { MAC_TX_LENGTHS, 0x0000,
  7214. 0x00000000, 0x00003fff },
  7215. { MAC_RX_MODE, TG3_FL_NOT_5705,
  7216. 0x00000000, 0x000007fc },
  7217. { MAC_RX_MODE, TG3_FL_5705,
  7218. 0x00000000, 0x000007dc },
  7219. { MAC_HASH_REG_0, 0x0000,
  7220. 0x00000000, 0xffffffff },
  7221. { MAC_HASH_REG_1, 0x0000,
  7222. 0x00000000, 0xffffffff },
  7223. { MAC_HASH_REG_2, 0x0000,
  7224. 0x00000000, 0xffffffff },
  7225. { MAC_HASH_REG_3, 0x0000,
  7226. 0x00000000, 0xffffffff },
  7227. /* Receive Data and Receive BD Initiator Control Registers. */
  7228. { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
  7229. 0x00000000, 0xffffffff },
  7230. { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
  7231. 0x00000000, 0xffffffff },
  7232. { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
  7233. 0x00000000, 0x00000003 },
  7234. { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
  7235. 0x00000000, 0xffffffff },
  7236. { RCVDBDI_STD_BD+0, 0x0000,
  7237. 0x00000000, 0xffffffff },
  7238. { RCVDBDI_STD_BD+4, 0x0000,
  7239. 0x00000000, 0xffffffff },
  7240. { RCVDBDI_STD_BD+8, 0x0000,
  7241. 0x00000000, 0xffff0002 },
  7242. { RCVDBDI_STD_BD+0xc, 0x0000,
  7243. 0x00000000, 0xffffffff },
  7244. /* Receive BD Initiator Control Registers. */
  7245. { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
  7246. 0x00000000, 0xffffffff },
  7247. { RCVBDI_STD_THRESH, TG3_FL_5705,
  7248. 0x00000000, 0x000003ff },
  7249. { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
  7250. 0x00000000, 0xffffffff },
  7251. /* Host Coalescing Control Registers. */
  7252. { HOSTCC_MODE, TG3_FL_NOT_5705,
  7253. 0x00000000, 0x00000004 },
  7254. { HOSTCC_MODE, TG3_FL_5705,
  7255. 0x00000000, 0x000000f6 },
  7256. { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
  7257. 0x00000000, 0xffffffff },
  7258. { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
  7259. 0x00000000, 0x000003ff },
  7260. { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
  7261. 0x00000000, 0xffffffff },
  7262. { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
  7263. 0x00000000, 0x000003ff },
  7264. { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
  7265. 0x00000000, 0xffffffff },
  7266. { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  7267. 0x00000000, 0x000000ff },
  7268. { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
  7269. 0x00000000, 0xffffffff },
  7270. { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
  7271. 0x00000000, 0x000000ff },
  7272. { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
  7273. 0x00000000, 0xffffffff },
  7274. { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
  7275. 0x00000000, 0xffffffff },
  7276. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  7277. 0x00000000, 0xffffffff },
  7278. { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  7279. 0x00000000, 0x000000ff },
  7280. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
  7281. 0x00000000, 0xffffffff },
  7282. { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
  7283. 0x00000000, 0x000000ff },
  7284. { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
  7285. 0x00000000, 0xffffffff },
  7286. { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
  7287. 0x00000000, 0xffffffff },
  7288. { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
  7289. 0x00000000, 0xffffffff },
  7290. { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
  7291. 0x00000000, 0xffffffff },
  7292. { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
  7293. 0x00000000, 0xffffffff },
  7294. { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
  7295. 0xffffffff, 0x00000000 },
  7296. { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
  7297. 0xffffffff, 0x00000000 },
  7298. /* Buffer Manager Control Registers. */
  7299. { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
  7300. 0x00000000, 0x007fff80 },
  7301. { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
  7302. 0x00000000, 0x007fffff },
  7303. { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
  7304. 0x00000000, 0x0000003f },
  7305. { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
  7306. 0x00000000, 0x000001ff },
  7307. { BUFMGR_MB_HIGH_WATER, 0x0000,
  7308. 0x00000000, 0x000001ff },
  7309. { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
  7310. 0xffffffff, 0x00000000 },
  7311. { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
  7312. 0xffffffff, 0x00000000 },
  7313. /* Mailbox Registers */
  7314. { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
  7315. 0x00000000, 0x000001ff },
  7316. { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
  7317. 0x00000000, 0x000001ff },
  7318. { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
  7319. 0x00000000, 0x000007ff },
  7320. { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
  7321. 0x00000000, 0x000001ff },
  7322. { 0xffff, 0x0000, 0x00000000, 0x00000000 },
  7323. };
  7324. is_5705 = is_5750 = 0;
  7325. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  7326. is_5705 = 1;
  7327. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  7328. is_5750 = 1;
  7329. }
  7330. for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
  7331. if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
  7332. continue;
  7333. if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
  7334. continue;
  7335. if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  7336. (reg_tbl[i].flags & TG3_FL_NOT_5788))
  7337. continue;
  7338. if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
  7339. continue;
  7340. offset = (u32) reg_tbl[i].offset;
  7341. read_mask = reg_tbl[i].read_mask;
  7342. write_mask = reg_tbl[i].write_mask;
  7343. /* Save the original register content */
  7344. save_val = tr32(offset);
  7345. /* Determine the read-only value. */
  7346. read_val = save_val & read_mask;
  7347. /* Write zero to the register, then make sure the read-only bits
  7348. * are not changed and the read/write bits are all zeros.
  7349. */
  7350. tw32(offset, 0);
  7351. val = tr32(offset);
  7352. /* Test the read-only and read/write bits. */
  7353. if (((val & read_mask) != read_val) || (val & write_mask))
  7354. goto out;
  7355. /* Write ones to all the bits defined by RdMask and WrMask, then
  7356. * make sure the read-only bits are not changed and the
  7357. * read/write bits are all ones.
  7358. */
  7359. tw32(offset, read_mask | write_mask);
  7360. val = tr32(offset);
  7361. /* Test the read-only bits. */
  7362. if ((val & read_mask) != read_val)
  7363. goto out;
  7364. /* Test the read/write bits. */
  7365. if ((val & write_mask) != write_mask)
  7366. goto out;
  7367. tw32(offset, save_val);
  7368. }
  7369. return 0;
  7370. out:
  7371. if (netif_msg_hw(tp))
  7372. printk(KERN_ERR PFX "Register test failed at offset %x\n",
  7373. offset);
  7374. tw32(offset, save_val);
  7375. return -EIO;
  7376. }
  7377. static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
  7378. {
  7379. static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
  7380. int i;
  7381. u32 j;
  7382. for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
  7383. for (j = 0; j < len; j += 4) {
  7384. u32 val;
  7385. tg3_write_mem(tp, offset + j, test_pattern[i]);
  7386. tg3_read_mem(tp, offset + j, &val);
  7387. if (val != test_pattern[i])
  7388. return -EIO;
  7389. }
  7390. }
  7391. return 0;
  7392. }
  7393. static int tg3_test_memory(struct tg3 *tp)
  7394. {
  7395. static struct mem_entry {
  7396. u32 offset;
  7397. u32 len;
  7398. } mem_tbl_570x[] = {
  7399. { 0x00000000, 0x00b50},
  7400. { 0x00002000, 0x1c000},
  7401. { 0xffffffff, 0x00000}
  7402. }, mem_tbl_5705[] = {
  7403. { 0x00000100, 0x0000c},
  7404. { 0x00000200, 0x00008},
  7405. { 0x00004000, 0x00800},
  7406. { 0x00006000, 0x01000},
  7407. { 0x00008000, 0x02000},
  7408. { 0x00010000, 0x0e000},
  7409. { 0xffffffff, 0x00000}
  7410. }, mem_tbl_5755[] = {
  7411. { 0x00000200, 0x00008},
  7412. { 0x00004000, 0x00800},
  7413. { 0x00006000, 0x00800},
  7414. { 0x00008000, 0x02000},
  7415. { 0x00010000, 0x0c000},
  7416. { 0xffffffff, 0x00000}
  7417. }, mem_tbl_5906[] = {
  7418. { 0x00000200, 0x00008},
  7419. { 0x00004000, 0x00400},
  7420. { 0x00006000, 0x00400},
  7421. { 0x00008000, 0x01000},
  7422. { 0x00010000, 0x01000},
  7423. { 0xffffffff, 0x00000}
  7424. };
  7425. struct mem_entry *mem_tbl;
  7426. int err = 0;
  7427. int i;
  7428. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  7429. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  7430. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  7431. mem_tbl = mem_tbl_5755;
  7432. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  7433. mem_tbl = mem_tbl_5906;
  7434. else
  7435. mem_tbl = mem_tbl_5705;
  7436. } else
  7437. mem_tbl = mem_tbl_570x;
  7438. for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
  7439. if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
  7440. mem_tbl[i].len)) != 0)
  7441. break;
  7442. }
  7443. return err;
  7444. }
  7445. #define TG3_MAC_LOOPBACK 0
  7446. #define TG3_PHY_LOOPBACK 1
  7447. static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
  7448. {
  7449. u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
  7450. u32 desc_idx;
  7451. struct sk_buff *skb, *rx_skb;
  7452. u8 *tx_data;
  7453. dma_addr_t map;
  7454. int num_pkts, tx_len, rx_len, i, err;
  7455. struct tg3_rx_buffer_desc *desc;
  7456. if (loopback_mode == TG3_MAC_LOOPBACK) {
  7457. /* HW errata - mac loopback fails in some cases on 5780.
  7458. * Normal traffic and PHY loopback are not affected by
  7459. * errata.
  7460. */
  7461. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
  7462. return 0;
  7463. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  7464. MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
  7465. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  7466. mac_mode |= MAC_MODE_PORT_MODE_MII;
  7467. else
  7468. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  7469. tw32(MAC_MODE, mac_mode);
  7470. } else if (loopback_mode == TG3_PHY_LOOPBACK) {
  7471. u32 val;
  7472. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  7473. u32 phytest;
  7474. if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
  7475. u32 phy;
  7476. tg3_writephy(tp, MII_TG3_EPHY_TEST,
  7477. phytest | MII_TG3_EPHY_SHADOW_EN);
  7478. if (!tg3_readphy(tp, 0x1b, &phy))
  7479. tg3_writephy(tp, 0x1b, phy & ~0x20);
  7480. if (!tg3_readphy(tp, 0x10, &phy))
  7481. tg3_writephy(tp, 0x10, phy & ~0x4000);
  7482. tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
  7483. }
  7484. val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
  7485. } else
  7486. val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
  7487. tg3_writephy(tp, MII_BMCR, val);
  7488. udelay(40);
  7489. mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
  7490. MAC_MODE_LINK_POLARITY;
  7491. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  7492. tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
  7493. mac_mode |= MAC_MODE_PORT_MODE_MII;
  7494. } else
  7495. mac_mode |= MAC_MODE_PORT_MODE_GMII;
  7496. /* reset to prevent losing 1st rx packet intermittently */
  7497. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
  7498. tw32_f(MAC_RX_MODE, RX_MODE_RESET);
  7499. udelay(10);
  7500. tw32_f(MAC_RX_MODE, tp->rx_mode);
  7501. }
  7502. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  7503. mac_mode &= ~MAC_MODE_LINK_POLARITY;
  7504. tg3_writephy(tp, MII_TG3_EXT_CTRL,
  7505. MII_TG3_EXT_CTRL_LNK3_LED_MODE);
  7506. }
  7507. tw32(MAC_MODE, mac_mode);
  7508. }
  7509. else
  7510. return -EINVAL;
  7511. err = -EIO;
  7512. tx_len = 1514;
  7513. skb = netdev_alloc_skb(tp->dev, tx_len);
  7514. if (!skb)
  7515. return -ENOMEM;
  7516. tx_data = skb_put(skb, tx_len);
  7517. memcpy(tx_data, tp->dev->dev_addr, 6);
  7518. memset(tx_data + 6, 0x0, 8);
  7519. tw32(MAC_RX_MTU_SIZE, tx_len + 4);
  7520. for (i = 14; i < tx_len; i++)
  7521. tx_data[i] = (u8) (i & 0xff);
  7522. map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
  7523. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  7524. HOSTCC_MODE_NOW);
  7525. udelay(10);
  7526. rx_start_idx = tp->hw_status->idx[0].rx_producer;
  7527. num_pkts = 0;
  7528. tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
  7529. tp->tx_prod++;
  7530. num_pkts++;
  7531. tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
  7532. tp->tx_prod);
  7533. tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
  7534. udelay(10);
  7535. /* 250 usec to allow enough time on some 10/100 Mbps devices. */
  7536. for (i = 0; i < 25; i++) {
  7537. tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
  7538. HOSTCC_MODE_NOW);
  7539. udelay(10);
  7540. tx_idx = tp->hw_status->idx[0].tx_consumer;
  7541. rx_idx = tp->hw_status->idx[0].rx_producer;
  7542. if ((tx_idx == tp->tx_prod) &&
  7543. (rx_idx == (rx_start_idx + num_pkts)))
  7544. break;
  7545. }
  7546. pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
  7547. dev_kfree_skb(skb);
  7548. if (tx_idx != tp->tx_prod)
  7549. goto out;
  7550. if (rx_idx != rx_start_idx + num_pkts)
  7551. goto out;
  7552. desc = &tp->rx_rcb[rx_start_idx];
  7553. desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
  7554. opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
  7555. if (opaque_key != RXD_OPAQUE_RING_STD)
  7556. goto out;
  7557. if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
  7558. (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
  7559. goto out;
  7560. rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
  7561. if (rx_len != tx_len)
  7562. goto out;
  7563. rx_skb = tp->rx_std_buffers[desc_idx].skb;
  7564. map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
  7565. pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
  7566. for (i = 14; i < tx_len; i++) {
  7567. if (*(rx_skb->data + i) != (u8) (i & 0xff))
  7568. goto out;
  7569. }
  7570. err = 0;
  7571. /* tg3_free_rings will unmap and free the rx_skb */
  7572. out:
  7573. return err;
  7574. }
  7575. #define TG3_MAC_LOOPBACK_FAILED 1
  7576. #define TG3_PHY_LOOPBACK_FAILED 2
  7577. #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
  7578. TG3_PHY_LOOPBACK_FAILED)
  7579. static int tg3_test_loopback(struct tg3 *tp)
  7580. {
  7581. int err = 0;
  7582. if (!netif_running(tp->dev))
  7583. return TG3_LOOPBACK_FAILED;
  7584. err = tg3_reset_hw(tp, 1);
  7585. if (err)
  7586. return TG3_LOOPBACK_FAILED;
  7587. if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
  7588. err |= TG3_MAC_LOOPBACK_FAILED;
  7589. if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  7590. if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
  7591. err |= TG3_PHY_LOOPBACK_FAILED;
  7592. }
  7593. return err;
  7594. }
  7595. static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
  7596. u64 *data)
  7597. {
  7598. struct tg3 *tp = netdev_priv(dev);
  7599. if (tp->link_config.phy_is_low_power)
  7600. tg3_set_power_state(tp, PCI_D0);
  7601. memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
  7602. if (tg3_test_nvram(tp) != 0) {
  7603. etest->flags |= ETH_TEST_FL_FAILED;
  7604. data[0] = 1;
  7605. }
  7606. if (tg3_test_link(tp) != 0) {
  7607. etest->flags |= ETH_TEST_FL_FAILED;
  7608. data[1] = 1;
  7609. }
  7610. if (etest->flags & ETH_TEST_FL_OFFLINE) {
  7611. int err, irq_sync = 0;
  7612. if (netif_running(dev)) {
  7613. tg3_netif_stop(tp);
  7614. irq_sync = 1;
  7615. }
  7616. tg3_full_lock(tp, irq_sync);
  7617. tg3_halt(tp, RESET_KIND_SUSPEND, 1);
  7618. err = tg3_nvram_lock(tp);
  7619. tg3_halt_cpu(tp, RX_CPU_BASE);
  7620. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
  7621. tg3_halt_cpu(tp, TX_CPU_BASE);
  7622. if (!err)
  7623. tg3_nvram_unlock(tp);
  7624. if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
  7625. tg3_phy_reset(tp);
  7626. if (tg3_test_registers(tp) != 0) {
  7627. etest->flags |= ETH_TEST_FL_FAILED;
  7628. data[2] = 1;
  7629. }
  7630. if (tg3_test_memory(tp) != 0) {
  7631. etest->flags |= ETH_TEST_FL_FAILED;
  7632. data[3] = 1;
  7633. }
  7634. if ((data[4] = tg3_test_loopback(tp)) != 0)
  7635. etest->flags |= ETH_TEST_FL_FAILED;
  7636. tg3_full_unlock(tp);
  7637. if (tg3_test_interrupt(tp) != 0) {
  7638. etest->flags |= ETH_TEST_FL_FAILED;
  7639. data[5] = 1;
  7640. }
  7641. tg3_full_lock(tp, 0);
  7642. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  7643. if (netif_running(dev)) {
  7644. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  7645. if (!tg3_restart_hw(tp, 1))
  7646. tg3_netif_start(tp);
  7647. }
  7648. tg3_full_unlock(tp);
  7649. }
  7650. if (tp->link_config.phy_is_low_power)
  7651. tg3_set_power_state(tp, PCI_D3hot);
  7652. }
  7653. static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  7654. {
  7655. struct mii_ioctl_data *data = if_mii(ifr);
  7656. struct tg3 *tp = netdev_priv(dev);
  7657. int err;
  7658. switch(cmd) {
  7659. case SIOCGMIIPHY:
  7660. data->phy_id = PHY_ADDR;
  7661. /* fallthru */
  7662. case SIOCGMIIREG: {
  7663. u32 mii_regval;
  7664. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7665. break; /* We have no PHY */
  7666. if (tp->link_config.phy_is_low_power)
  7667. return -EAGAIN;
  7668. spin_lock_bh(&tp->lock);
  7669. err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
  7670. spin_unlock_bh(&tp->lock);
  7671. data->val_out = mii_regval;
  7672. return err;
  7673. }
  7674. case SIOCSMIIREG:
  7675. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  7676. break; /* We have no PHY */
  7677. if (!capable(CAP_NET_ADMIN))
  7678. return -EPERM;
  7679. if (tp->link_config.phy_is_low_power)
  7680. return -EAGAIN;
  7681. spin_lock_bh(&tp->lock);
  7682. err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
  7683. spin_unlock_bh(&tp->lock);
  7684. return err;
  7685. default:
  7686. /* do nothing */
  7687. break;
  7688. }
  7689. return -EOPNOTSUPP;
  7690. }
  7691. #if TG3_VLAN_TAG_USED
  7692. static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
  7693. {
  7694. struct tg3 *tp = netdev_priv(dev);
  7695. if (netif_running(dev))
  7696. tg3_netif_stop(tp);
  7697. tg3_full_lock(tp, 0);
  7698. tp->vlgrp = grp;
  7699. /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
  7700. __tg3_set_rx_mode(dev);
  7701. tg3_full_unlock(tp);
  7702. if (netif_running(dev))
  7703. tg3_netif_start(tp);
  7704. }
  7705. static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
  7706. {
  7707. struct tg3 *tp = netdev_priv(dev);
  7708. if (netif_running(dev))
  7709. tg3_netif_stop(tp);
  7710. tg3_full_lock(tp, 0);
  7711. if (tp->vlgrp)
  7712. tp->vlgrp->vlan_devices[vid] = NULL;
  7713. tg3_full_unlock(tp);
  7714. if (netif_running(dev))
  7715. tg3_netif_start(tp);
  7716. }
  7717. #endif
  7718. static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  7719. {
  7720. struct tg3 *tp = netdev_priv(dev);
  7721. memcpy(ec, &tp->coal, sizeof(*ec));
  7722. return 0;
  7723. }
  7724. static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
  7725. {
  7726. struct tg3 *tp = netdev_priv(dev);
  7727. u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
  7728. u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
  7729. if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
  7730. max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
  7731. max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
  7732. max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
  7733. min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
  7734. }
  7735. if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
  7736. (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
  7737. (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
  7738. (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
  7739. (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
  7740. (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
  7741. (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
  7742. (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
  7743. (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
  7744. (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
  7745. return -EINVAL;
  7746. /* No rx interrupts will be generated if both are zero */
  7747. if ((ec->rx_coalesce_usecs == 0) &&
  7748. (ec->rx_max_coalesced_frames == 0))
  7749. return -EINVAL;
  7750. /* No tx interrupts will be generated if both are zero */
  7751. if ((ec->tx_coalesce_usecs == 0) &&
  7752. (ec->tx_max_coalesced_frames == 0))
  7753. return -EINVAL;
  7754. /* Only copy relevant parameters, ignore all others. */
  7755. tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
  7756. tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
  7757. tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
  7758. tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
  7759. tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
  7760. tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
  7761. tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
  7762. tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
  7763. tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
  7764. if (netif_running(dev)) {
  7765. tg3_full_lock(tp, 0);
  7766. __tg3_set_coalesce(tp, &tp->coal);
  7767. tg3_full_unlock(tp);
  7768. }
  7769. return 0;
  7770. }
  7771. static const struct ethtool_ops tg3_ethtool_ops = {
  7772. .get_settings = tg3_get_settings,
  7773. .set_settings = tg3_set_settings,
  7774. .get_drvinfo = tg3_get_drvinfo,
  7775. .get_regs_len = tg3_get_regs_len,
  7776. .get_regs = tg3_get_regs,
  7777. .get_wol = tg3_get_wol,
  7778. .set_wol = tg3_set_wol,
  7779. .get_msglevel = tg3_get_msglevel,
  7780. .set_msglevel = tg3_set_msglevel,
  7781. .nway_reset = tg3_nway_reset,
  7782. .get_link = ethtool_op_get_link,
  7783. .get_eeprom_len = tg3_get_eeprom_len,
  7784. .get_eeprom = tg3_get_eeprom,
  7785. .set_eeprom = tg3_set_eeprom,
  7786. .get_ringparam = tg3_get_ringparam,
  7787. .set_ringparam = tg3_set_ringparam,
  7788. .get_pauseparam = tg3_get_pauseparam,
  7789. .set_pauseparam = tg3_set_pauseparam,
  7790. .get_rx_csum = tg3_get_rx_csum,
  7791. .set_rx_csum = tg3_set_rx_csum,
  7792. .get_tx_csum = ethtool_op_get_tx_csum,
  7793. .set_tx_csum = tg3_set_tx_csum,
  7794. .get_sg = ethtool_op_get_sg,
  7795. .set_sg = ethtool_op_set_sg,
  7796. #if TG3_TSO_SUPPORT != 0
  7797. .get_tso = ethtool_op_get_tso,
  7798. .set_tso = tg3_set_tso,
  7799. #endif
  7800. .self_test_count = tg3_get_test_count,
  7801. .self_test = tg3_self_test,
  7802. .get_strings = tg3_get_strings,
  7803. .phys_id = tg3_phys_id,
  7804. .get_stats_count = tg3_get_stats_count,
  7805. .get_ethtool_stats = tg3_get_ethtool_stats,
  7806. .get_coalesce = tg3_get_coalesce,
  7807. .set_coalesce = tg3_set_coalesce,
  7808. .get_perm_addr = ethtool_op_get_perm_addr,
  7809. };
  7810. static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
  7811. {
  7812. u32 cursize, val, magic;
  7813. tp->nvram_size = EEPROM_CHIP_SIZE;
  7814. if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
  7815. return;
  7816. if ((magic != TG3_EEPROM_MAGIC) &&
  7817. ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
  7818. ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
  7819. return;
  7820. /*
  7821. * Size the chip by reading offsets at increasing powers of two.
  7822. * When we encounter our validation signature, we know the addressing
  7823. * has wrapped around, and thus have our chip size.
  7824. */
  7825. cursize = 0x10;
  7826. while (cursize < tp->nvram_size) {
  7827. if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
  7828. return;
  7829. if (val == magic)
  7830. break;
  7831. cursize <<= 1;
  7832. }
  7833. tp->nvram_size = cursize;
  7834. }
  7835. static void __devinit tg3_get_nvram_size(struct tg3 *tp)
  7836. {
  7837. u32 val;
  7838. if (tg3_nvram_read_swab(tp, 0, &val) != 0)
  7839. return;
  7840. /* Selfboot format */
  7841. if (val != TG3_EEPROM_MAGIC) {
  7842. tg3_get_eeprom_size(tp);
  7843. return;
  7844. }
  7845. if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
  7846. if (val != 0) {
  7847. tp->nvram_size = (val >> 16) * 1024;
  7848. return;
  7849. }
  7850. }
  7851. tp->nvram_size = 0x20000;
  7852. }
  7853. static void __devinit tg3_get_nvram_info(struct tg3 *tp)
  7854. {
  7855. u32 nvcfg1;
  7856. nvcfg1 = tr32(NVRAM_CFG1);
  7857. if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
  7858. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7859. }
  7860. else {
  7861. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7862. tw32(NVRAM_CFG1, nvcfg1);
  7863. }
  7864. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
  7865. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  7866. switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
  7867. case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
  7868. tp->nvram_jedecnum = JEDEC_ATMEL;
  7869. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7870. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7871. break;
  7872. case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
  7873. tp->nvram_jedecnum = JEDEC_ATMEL;
  7874. tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
  7875. break;
  7876. case FLASH_VENDOR_ATMEL_EEPROM:
  7877. tp->nvram_jedecnum = JEDEC_ATMEL;
  7878. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7879. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7880. break;
  7881. case FLASH_VENDOR_ST:
  7882. tp->nvram_jedecnum = JEDEC_ST;
  7883. tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
  7884. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7885. break;
  7886. case FLASH_VENDOR_SAIFUN:
  7887. tp->nvram_jedecnum = JEDEC_SAIFUN;
  7888. tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
  7889. break;
  7890. case FLASH_VENDOR_SST_SMALL:
  7891. case FLASH_VENDOR_SST_LARGE:
  7892. tp->nvram_jedecnum = JEDEC_SST;
  7893. tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
  7894. break;
  7895. }
  7896. }
  7897. else {
  7898. tp->nvram_jedecnum = JEDEC_ATMEL;
  7899. tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
  7900. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7901. }
  7902. }
  7903. static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
  7904. {
  7905. u32 nvcfg1;
  7906. nvcfg1 = tr32(NVRAM_CFG1);
  7907. /* NVRAM protection for TPM */
  7908. if (nvcfg1 & (1 << 27))
  7909. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  7910. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  7911. case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
  7912. case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
  7913. tp->nvram_jedecnum = JEDEC_ATMEL;
  7914. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7915. break;
  7916. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  7917. tp->nvram_jedecnum = JEDEC_ATMEL;
  7918. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7919. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7920. break;
  7921. case FLASH_5752VENDOR_ST_M45PE10:
  7922. case FLASH_5752VENDOR_ST_M45PE20:
  7923. case FLASH_5752VENDOR_ST_M45PE40:
  7924. tp->nvram_jedecnum = JEDEC_ST;
  7925. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7926. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7927. break;
  7928. }
  7929. if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
  7930. switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
  7931. case FLASH_5752PAGE_SIZE_256:
  7932. tp->nvram_pagesize = 256;
  7933. break;
  7934. case FLASH_5752PAGE_SIZE_512:
  7935. tp->nvram_pagesize = 512;
  7936. break;
  7937. case FLASH_5752PAGE_SIZE_1K:
  7938. tp->nvram_pagesize = 1024;
  7939. break;
  7940. case FLASH_5752PAGE_SIZE_2K:
  7941. tp->nvram_pagesize = 2048;
  7942. break;
  7943. case FLASH_5752PAGE_SIZE_4K:
  7944. tp->nvram_pagesize = 4096;
  7945. break;
  7946. case FLASH_5752PAGE_SIZE_264:
  7947. tp->nvram_pagesize = 264;
  7948. break;
  7949. }
  7950. }
  7951. else {
  7952. /* For eeprom, set pagesize to maximum eeprom size */
  7953. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7954. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7955. tw32(NVRAM_CFG1, nvcfg1);
  7956. }
  7957. }
  7958. static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
  7959. {
  7960. u32 nvcfg1;
  7961. nvcfg1 = tr32(NVRAM_CFG1);
  7962. /* NVRAM protection for TPM */
  7963. if (nvcfg1 & (1 << 27))
  7964. tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
  7965. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  7966. case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
  7967. case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
  7968. tp->nvram_jedecnum = JEDEC_ATMEL;
  7969. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7970. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  7971. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  7972. tw32(NVRAM_CFG1, nvcfg1);
  7973. break;
  7974. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  7975. case FLASH_5755VENDOR_ATMEL_FLASH_1:
  7976. case FLASH_5755VENDOR_ATMEL_FLASH_2:
  7977. case FLASH_5755VENDOR_ATMEL_FLASH_3:
  7978. case FLASH_5755VENDOR_ATMEL_FLASH_4:
  7979. tp->nvram_jedecnum = JEDEC_ATMEL;
  7980. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7981. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7982. tp->nvram_pagesize = 264;
  7983. break;
  7984. case FLASH_5752VENDOR_ST_M45PE10:
  7985. case FLASH_5752VENDOR_ST_M45PE20:
  7986. case FLASH_5752VENDOR_ST_M45PE40:
  7987. tp->nvram_jedecnum = JEDEC_ST;
  7988. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  7989. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  7990. tp->nvram_pagesize = 256;
  7991. break;
  7992. }
  7993. }
  7994. static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
  7995. {
  7996. u32 nvcfg1;
  7997. nvcfg1 = tr32(NVRAM_CFG1);
  7998. switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
  7999. case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
  8000. case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
  8001. case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
  8002. case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
  8003. tp->nvram_jedecnum = JEDEC_ATMEL;
  8004. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8005. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  8006. nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
  8007. tw32(NVRAM_CFG1, nvcfg1);
  8008. break;
  8009. case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
  8010. case FLASH_5755VENDOR_ATMEL_FLASH_1:
  8011. case FLASH_5755VENDOR_ATMEL_FLASH_2:
  8012. case FLASH_5755VENDOR_ATMEL_FLASH_3:
  8013. tp->nvram_jedecnum = JEDEC_ATMEL;
  8014. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8015. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8016. tp->nvram_pagesize = 264;
  8017. break;
  8018. case FLASH_5752VENDOR_ST_M45PE10:
  8019. case FLASH_5752VENDOR_ST_M45PE20:
  8020. case FLASH_5752VENDOR_ST_M45PE40:
  8021. tp->nvram_jedecnum = JEDEC_ST;
  8022. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8023. tp->tg3_flags2 |= TG3_FLG2_FLASH;
  8024. tp->nvram_pagesize = 256;
  8025. break;
  8026. }
  8027. }
  8028. static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
  8029. {
  8030. tp->nvram_jedecnum = JEDEC_ATMEL;
  8031. tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
  8032. tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
  8033. }
  8034. /* Chips other than 5700/5701 use the NVRAM for fetching info. */
  8035. static void __devinit tg3_nvram_init(struct tg3 *tp)
  8036. {
  8037. tw32_f(GRC_EEPROM_ADDR,
  8038. (EEPROM_ADDR_FSM_RESET |
  8039. (EEPROM_DEFAULT_CLOCK_PERIOD <<
  8040. EEPROM_ADDR_CLKPERD_SHIFT)));
  8041. msleep(1);
  8042. /* Enable seeprom accesses. */
  8043. tw32_f(GRC_LOCAL_CTRL,
  8044. tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
  8045. udelay(100);
  8046. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  8047. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
  8048. tp->tg3_flags |= TG3_FLAG_NVRAM;
  8049. if (tg3_nvram_lock(tp)) {
  8050. printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
  8051. "tg3_nvram_init failed.\n", tp->dev->name);
  8052. return;
  8053. }
  8054. tg3_enable_nvram_access(tp);
  8055. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  8056. tg3_get_5752_nvram_info(tp);
  8057. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  8058. tg3_get_5755_nvram_info(tp);
  8059. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  8060. tg3_get_5787_nvram_info(tp);
  8061. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  8062. tg3_get_5906_nvram_info(tp);
  8063. else
  8064. tg3_get_nvram_info(tp);
  8065. tg3_get_nvram_size(tp);
  8066. tg3_disable_nvram_access(tp);
  8067. tg3_nvram_unlock(tp);
  8068. } else {
  8069. tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
  8070. tg3_get_eeprom_size(tp);
  8071. }
  8072. }
  8073. static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
  8074. u32 offset, u32 *val)
  8075. {
  8076. u32 tmp;
  8077. int i;
  8078. if (offset > EEPROM_ADDR_ADDR_MASK ||
  8079. (offset % 4) != 0)
  8080. return -EINVAL;
  8081. tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
  8082. EEPROM_ADDR_DEVID_MASK |
  8083. EEPROM_ADDR_READ);
  8084. tw32(GRC_EEPROM_ADDR,
  8085. tmp |
  8086. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  8087. ((offset << EEPROM_ADDR_ADDR_SHIFT) &
  8088. EEPROM_ADDR_ADDR_MASK) |
  8089. EEPROM_ADDR_READ | EEPROM_ADDR_START);
  8090. for (i = 0; i < 1000; i++) {
  8091. tmp = tr32(GRC_EEPROM_ADDR);
  8092. if (tmp & EEPROM_ADDR_COMPLETE)
  8093. break;
  8094. msleep(1);
  8095. }
  8096. if (!(tmp & EEPROM_ADDR_COMPLETE))
  8097. return -EBUSY;
  8098. *val = tr32(GRC_EEPROM_DATA);
  8099. return 0;
  8100. }
  8101. #define NVRAM_CMD_TIMEOUT 10000
  8102. static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
  8103. {
  8104. int i;
  8105. tw32(NVRAM_CMD, nvram_cmd);
  8106. for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
  8107. udelay(10);
  8108. if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
  8109. udelay(10);
  8110. break;
  8111. }
  8112. }
  8113. if (i == NVRAM_CMD_TIMEOUT) {
  8114. return -EBUSY;
  8115. }
  8116. return 0;
  8117. }
  8118. static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
  8119. {
  8120. if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
  8121. (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  8122. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  8123. (tp->nvram_jedecnum == JEDEC_ATMEL))
  8124. addr = ((addr / tp->nvram_pagesize) <<
  8125. ATMEL_AT45DB0X1B_PAGE_POS) +
  8126. (addr % tp->nvram_pagesize);
  8127. return addr;
  8128. }
  8129. static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
  8130. {
  8131. if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
  8132. (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
  8133. (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
  8134. (tp->nvram_jedecnum == JEDEC_ATMEL))
  8135. addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
  8136. tp->nvram_pagesize) +
  8137. (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
  8138. return addr;
  8139. }
  8140. static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
  8141. {
  8142. int ret;
  8143. if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
  8144. return tg3_nvram_read_using_eeprom(tp, offset, val);
  8145. offset = tg3_nvram_phys_addr(tp, offset);
  8146. if (offset > NVRAM_ADDR_MSK)
  8147. return -EINVAL;
  8148. ret = tg3_nvram_lock(tp);
  8149. if (ret)
  8150. return ret;
  8151. tg3_enable_nvram_access(tp);
  8152. tw32(NVRAM_ADDR, offset);
  8153. ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
  8154. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
  8155. if (ret == 0)
  8156. *val = swab32(tr32(NVRAM_RDDATA));
  8157. tg3_disable_nvram_access(tp);
  8158. tg3_nvram_unlock(tp);
  8159. return ret;
  8160. }
  8161. static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
  8162. {
  8163. int err;
  8164. u32 tmp;
  8165. err = tg3_nvram_read(tp, offset, &tmp);
  8166. *val = swab32(tmp);
  8167. return err;
  8168. }
  8169. static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
  8170. u32 offset, u32 len, u8 *buf)
  8171. {
  8172. int i, j, rc = 0;
  8173. u32 val;
  8174. for (i = 0; i < len; i += 4) {
  8175. u32 addr, data;
  8176. addr = offset + i;
  8177. memcpy(&data, buf + i, 4);
  8178. tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
  8179. val = tr32(GRC_EEPROM_ADDR);
  8180. tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
  8181. val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
  8182. EEPROM_ADDR_READ);
  8183. tw32(GRC_EEPROM_ADDR, val |
  8184. (0 << EEPROM_ADDR_DEVID_SHIFT) |
  8185. (addr & EEPROM_ADDR_ADDR_MASK) |
  8186. EEPROM_ADDR_START |
  8187. EEPROM_ADDR_WRITE);
  8188. for (j = 0; j < 1000; j++) {
  8189. val = tr32(GRC_EEPROM_ADDR);
  8190. if (val & EEPROM_ADDR_COMPLETE)
  8191. break;
  8192. msleep(1);
  8193. }
  8194. if (!(val & EEPROM_ADDR_COMPLETE)) {
  8195. rc = -EBUSY;
  8196. break;
  8197. }
  8198. }
  8199. return rc;
  8200. }
  8201. /* offset and length are dword aligned */
  8202. static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
  8203. u8 *buf)
  8204. {
  8205. int ret = 0;
  8206. u32 pagesize = tp->nvram_pagesize;
  8207. u32 pagemask = pagesize - 1;
  8208. u32 nvram_cmd;
  8209. u8 *tmp;
  8210. tmp = kmalloc(pagesize, GFP_KERNEL);
  8211. if (tmp == NULL)
  8212. return -ENOMEM;
  8213. while (len) {
  8214. int j;
  8215. u32 phy_addr, page_off, size;
  8216. phy_addr = offset & ~pagemask;
  8217. for (j = 0; j < pagesize; j += 4) {
  8218. if ((ret = tg3_nvram_read(tp, phy_addr + j,
  8219. (u32 *) (tmp + j))))
  8220. break;
  8221. }
  8222. if (ret)
  8223. break;
  8224. page_off = offset & pagemask;
  8225. size = pagesize;
  8226. if (len < size)
  8227. size = len;
  8228. len -= size;
  8229. memcpy(tmp + page_off, buf, size);
  8230. offset = offset + (pagesize - page_off);
  8231. tg3_enable_nvram_access(tp);
  8232. /*
  8233. * Before we can erase the flash page, we need
  8234. * to issue a special "write enable" command.
  8235. */
  8236. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  8237. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  8238. break;
  8239. /* Erase the target page */
  8240. tw32(NVRAM_ADDR, phy_addr);
  8241. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
  8242. NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
  8243. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  8244. break;
  8245. /* Issue another write enable to start the write. */
  8246. nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  8247. if (tg3_nvram_exec_cmd(tp, nvram_cmd))
  8248. break;
  8249. for (j = 0; j < pagesize; j += 4) {
  8250. u32 data;
  8251. data = *((u32 *) (tmp + j));
  8252. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  8253. tw32(NVRAM_ADDR, phy_addr + j);
  8254. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
  8255. NVRAM_CMD_WR;
  8256. if (j == 0)
  8257. nvram_cmd |= NVRAM_CMD_FIRST;
  8258. else if (j == (pagesize - 4))
  8259. nvram_cmd |= NVRAM_CMD_LAST;
  8260. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  8261. break;
  8262. }
  8263. if (ret)
  8264. break;
  8265. }
  8266. nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
  8267. tg3_nvram_exec_cmd(tp, nvram_cmd);
  8268. kfree(tmp);
  8269. return ret;
  8270. }
  8271. /* offset and length are dword aligned */
  8272. static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
  8273. u8 *buf)
  8274. {
  8275. int i, ret = 0;
  8276. for (i = 0; i < len; i += 4, offset += 4) {
  8277. u32 data, page_off, phy_addr, nvram_cmd;
  8278. memcpy(&data, buf + i, 4);
  8279. tw32(NVRAM_WRDATA, cpu_to_be32(data));
  8280. page_off = offset % tp->nvram_pagesize;
  8281. phy_addr = tg3_nvram_phys_addr(tp, offset);
  8282. tw32(NVRAM_ADDR, phy_addr);
  8283. nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
  8284. if ((page_off == 0) || (i == 0))
  8285. nvram_cmd |= NVRAM_CMD_FIRST;
  8286. if (page_off == (tp->nvram_pagesize - 4))
  8287. nvram_cmd |= NVRAM_CMD_LAST;
  8288. if (i == (len - 4))
  8289. nvram_cmd |= NVRAM_CMD_LAST;
  8290. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
  8291. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
  8292. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
  8293. (tp->nvram_jedecnum == JEDEC_ST) &&
  8294. (nvram_cmd & NVRAM_CMD_FIRST)) {
  8295. if ((ret = tg3_nvram_exec_cmd(tp,
  8296. NVRAM_CMD_WREN | NVRAM_CMD_GO |
  8297. NVRAM_CMD_DONE)))
  8298. break;
  8299. }
  8300. if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  8301. /* We always do complete word writes to eeprom. */
  8302. nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
  8303. }
  8304. if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
  8305. break;
  8306. }
  8307. return ret;
  8308. }
  8309. /* offset and length are dword aligned */
  8310. static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
  8311. {
  8312. int ret;
  8313. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  8314. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
  8315. ~GRC_LCLCTRL_GPIO_OUTPUT1);
  8316. udelay(40);
  8317. }
  8318. if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
  8319. ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
  8320. }
  8321. else {
  8322. u32 grc_mode;
  8323. ret = tg3_nvram_lock(tp);
  8324. if (ret)
  8325. return ret;
  8326. tg3_enable_nvram_access(tp);
  8327. if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
  8328. !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
  8329. tw32(NVRAM_WRITE1, 0x406);
  8330. grc_mode = tr32(GRC_MODE);
  8331. tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
  8332. if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
  8333. !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
  8334. ret = tg3_nvram_write_block_buffered(tp, offset, len,
  8335. buf);
  8336. }
  8337. else {
  8338. ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
  8339. buf);
  8340. }
  8341. grc_mode = tr32(GRC_MODE);
  8342. tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
  8343. tg3_disable_nvram_access(tp);
  8344. tg3_nvram_unlock(tp);
  8345. }
  8346. if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
  8347. tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
  8348. udelay(40);
  8349. }
  8350. return ret;
  8351. }
  8352. struct subsys_tbl_ent {
  8353. u16 subsys_vendor, subsys_devid;
  8354. u32 phy_id;
  8355. };
  8356. static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
  8357. /* Broadcom boards. */
  8358. { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
  8359. { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
  8360. { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
  8361. { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
  8362. { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
  8363. { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
  8364. { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
  8365. { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
  8366. { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
  8367. { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
  8368. { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
  8369. /* 3com boards. */
  8370. { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
  8371. { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
  8372. { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
  8373. { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
  8374. { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
  8375. /* DELL boards. */
  8376. { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
  8377. { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
  8378. { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
  8379. { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
  8380. /* Compaq boards. */
  8381. { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
  8382. { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
  8383. { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
  8384. { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
  8385. { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
  8386. /* IBM boards. */
  8387. { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
  8388. };
  8389. static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
  8390. {
  8391. int i;
  8392. for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
  8393. if ((subsys_id_to_phy_id[i].subsys_vendor ==
  8394. tp->pdev->subsystem_vendor) &&
  8395. (subsys_id_to_phy_id[i].subsys_devid ==
  8396. tp->pdev->subsystem_device))
  8397. return &subsys_id_to_phy_id[i];
  8398. }
  8399. return NULL;
  8400. }
  8401. static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
  8402. {
  8403. u32 val;
  8404. u16 pmcsr;
  8405. /* On some early chips the SRAM cannot be accessed in D3hot state,
  8406. * so need make sure we're in D0.
  8407. */
  8408. pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
  8409. pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
  8410. pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
  8411. msleep(1);
  8412. /* Make sure register accesses (indirect or otherwise)
  8413. * will function correctly.
  8414. */
  8415. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8416. tp->misc_host_ctrl);
  8417. /* The memory arbiter has to be enabled in order for SRAM accesses
  8418. * to succeed. Normally on powerup the tg3 chip firmware will make
  8419. * sure it is enabled, but other entities such as system netboot
  8420. * code might disable it.
  8421. */
  8422. val = tr32(MEMARB_MODE);
  8423. tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
  8424. tp->phy_id = PHY_ID_INVALID;
  8425. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  8426. /* Assume an onboard device by default. */
  8427. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  8428. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  8429. if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
  8430. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  8431. tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
  8432. }
  8433. return;
  8434. }
  8435. tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
  8436. if (val == NIC_SRAM_DATA_SIG_MAGIC) {
  8437. u32 nic_cfg, led_cfg;
  8438. u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
  8439. int eeprom_phy_serdes = 0;
  8440. tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
  8441. tp->nic_sram_data_cfg = nic_cfg;
  8442. tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
  8443. ver >>= NIC_SRAM_DATA_VER_SHIFT;
  8444. if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
  8445. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
  8446. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
  8447. (ver > 0) && (ver < 0x100))
  8448. tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
  8449. if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
  8450. NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
  8451. eeprom_phy_serdes = 1;
  8452. tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
  8453. if (nic_phy_id != 0) {
  8454. u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
  8455. u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
  8456. eeprom_phy_id = (id1 >> 16) << 10;
  8457. eeprom_phy_id |= (id2 & 0xfc00) << 16;
  8458. eeprom_phy_id |= (id2 & 0x03ff) << 0;
  8459. } else
  8460. eeprom_phy_id = 0;
  8461. tp->phy_id = eeprom_phy_id;
  8462. if (eeprom_phy_serdes) {
  8463. if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
  8464. tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
  8465. else
  8466. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  8467. }
  8468. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  8469. led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
  8470. SHASTA_EXT_LED_MODE_MASK);
  8471. else
  8472. led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
  8473. switch (led_cfg) {
  8474. default:
  8475. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
  8476. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  8477. break;
  8478. case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
  8479. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  8480. break;
  8481. case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
  8482. tp->led_ctrl = LED_CTRL_MODE_MAC;
  8483. /* Default to PHY_1_MODE if 0 (MAC_MODE) is
  8484. * read on some older 5700/5701 bootcode.
  8485. */
  8486. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  8487. ASIC_REV_5700 ||
  8488. GET_ASIC_REV(tp->pci_chip_rev_id) ==
  8489. ASIC_REV_5701)
  8490. tp->led_ctrl = LED_CTRL_MODE_PHY_1;
  8491. break;
  8492. case SHASTA_EXT_LED_SHARED:
  8493. tp->led_ctrl = LED_CTRL_MODE_SHARED;
  8494. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
  8495. tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
  8496. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  8497. LED_CTRL_MODE_PHY_2);
  8498. break;
  8499. case SHASTA_EXT_LED_MAC:
  8500. tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
  8501. break;
  8502. case SHASTA_EXT_LED_COMBO:
  8503. tp->led_ctrl = LED_CTRL_MODE_COMBO;
  8504. if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
  8505. tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
  8506. LED_CTRL_MODE_PHY_2);
  8507. break;
  8508. };
  8509. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  8510. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
  8511. tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
  8512. tp->led_ctrl = LED_CTRL_MODE_PHY_2;
  8513. if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
  8514. tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
  8515. if ((tp->pdev->subsystem_vendor ==
  8516. PCI_VENDOR_ID_ARIMA) &&
  8517. (tp->pdev->subsystem_device == 0x205a ||
  8518. tp->pdev->subsystem_device == 0x2063))
  8519. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  8520. } else {
  8521. tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
  8522. tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
  8523. }
  8524. if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
  8525. tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
  8526. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
  8527. tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
  8528. }
  8529. if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
  8530. tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
  8531. if (cfg2 & (1 << 17))
  8532. tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
  8533. /* serdes signal pre-emphasis in register 0x590 set by */
  8534. /* bootcode if bit 18 is set */
  8535. if (cfg2 & (1 << 18))
  8536. tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
  8537. }
  8538. }
  8539. static int __devinit tg3_phy_probe(struct tg3 *tp)
  8540. {
  8541. u32 hw_phy_id_1, hw_phy_id_2;
  8542. u32 hw_phy_id, hw_phy_id_masked;
  8543. int err;
  8544. /* Reading the PHY ID register can conflict with ASF
  8545. * firwmare access to the PHY hardware.
  8546. */
  8547. err = 0;
  8548. if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
  8549. hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
  8550. } else {
  8551. /* Now read the physical PHY_ID from the chip and verify
  8552. * that it is sane. If it doesn't look good, we fall back
  8553. * to either the hard-coded table based PHY_ID and failing
  8554. * that the value found in the eeprom area.
  8555. */
  8556. err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
  8557. err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
  8558. hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
  8559. hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
  8560. hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
  8561. hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
  8562. }
  8563. if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
  8564. tp->phy_id = hw_phy_id;
  8565. if (hw_phy_id_masked == PHY_ID_BCM8002)
  8566. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  8567. else
  8568. tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
  8569. } else {
  8570. if (tp->phy_id != PHY_ID_INVALID) {
  8571. /* Do nothing, phy ID already set up in
  8572. * tg3_get_eeprom_hw_cfg().
  8573. */
  8574. } else {
  8575. struct subsys_tbl_ent *p;
  8576. /* No eeprom signature? Try the hardcoded
  8577. * subsys device table.
  8578. */
  8579. p = lookup_by_subsys(tp);
  8580. if (!p)
  8581. return -ENODEV;
  8582. tp->phy_id = p->phy_id;
  8583. if (!tp->phy_id ||
  8584. tp->phy_id == PHY_ID_BCM8002)
  8585. tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
  8586. }
  8587. }
  8588. if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
  8589. !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
  8590. u32 bmsr, adv_reg, tg3_ctrl, mask;
  8591. tg3_readphy(tp, MII_BMSR, &bmsr);
  8592. if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
  8593. (bmsr & BMSR_LSTATUS))
  8594. goto skip_phy_reset;
  8595. err = tg3_phy_reset(tp);
  8596. if (err)
  8597. return err;
  8598. adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
  8599. ADVERTISE_100HALF | ADVERTISE_100FULL |
  8600. ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
  8601. tg3_ctrl = 0;
  8602. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
  8603. tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
  8604. MII_TG3_CTRL_ADV_1000_FULL);
  8605. if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  8606. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
  8607. tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
  8608. MII_TG3_CTRL_ENABLE_AS_MASTER);
  8609. }
  8610. mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  8611. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  8612. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
  8613. if (!tg3_copper_is_advertising_all(tp, mask)) {
  8614. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  8615. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  8616. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  8617. tg3_writephy(tp, MII_BMCR,
  8618. BMCR_ANENABLE | BMCR_ANRESTART);
  8619. }
  8620. tg3_phy_set_wirespeed(tp);
  8621. tg3_writephy(tp, MII_ADVERTISE, adv_reg);
  8622. if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
  8623. tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
  8624. }
  8625. skip_phy_reset:
  8626. if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
  8627. err = tg3_init_5401phy_dsp(tp);
  8628. if (err)
  8629. return err;
  8630. }
  8631. if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
  8632. err = tg3_init_5401phy_dsp(tp);
  8633. }
  8634. if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
  8635. tp->link_config.advertising =
  8636. (ADVERTISED_1000baseT_Half |
  8637. ADVERTISED_1000baseT_Full |
  8638. ADVERTISED_Autoneg |
  8639. ADVERTISED_FIBRE);
  8640. if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
  8641. tp->link_config.advertising &=
  8642. ~(ADVERTISED_1000baseT_Half |
  8643. ADVERTISED_1000baseT_Full);
  8644. return err;
  8645. }
  8646. static void __devinit tg3_read_partno(struct tg3 *tp)
  8647. {
  8648. unsigned char vpd_data[256];
  8649. unsigned int i;
  8650. u32 magic;
  8651. if (tg3_nvram_read_swab(tp, 0x0, &magic))
  8652. goto out_not_found;
  8653. if (magic == TG3_EEPROM_MAGIC) {
  8654. for (i = 0; i < 256; i += 4) {
  8655. u32 tmp;
  8656. if (tg3_nvram_read(tp, 0x100 + i, &tmp))
  8657. goto out_not_found;
  8658. vpd_data[i + 0] = ((tmp >> 0) & 0xff);
  8659. vpd_data[i + 1] = ((tmp >> 8) & 0xff);
  8660. vpd_data[i + 2] = ((tmp >> 16) & 0xff);
  8661. vpd_data[i + 3] = ((tmp >> 24) & 0xff);
  8662. }
  8663. } else {
  8664. int vpd_cap;
  8665. vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
  8666. for (i = 0; i < 256; i += 4) {
  8667. u32 tmp, j = 0;
  8668. u16 tmp16;
  8669. pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
  8670. i);
  8671. while (j++ < 100) {
  8672. pci_read_config_word(tp->pdev, vpd_cap +
  8673. PCI_VPD_ADDR, &tmp16);
  8674. if (tmp16 & 0x8000)
  8675. break;
  8676. msleep(1);
  8677. }
  8678. if (!(tmp16 & 0x8000))
  8679. goto out_not_found;
  8680. pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
  8681. &tmp);
  8682. tmp = cpu_to_le32(tmp);
  8683. memcpy(&vpd_data[i], &tmp, 4);
  8684. }
  8685. }
  8686. /* Now parse and find the part number. */
  8687. for (i = 0; i < 254; ) {
  8688. unsigned char val = vpd_data[i];
  8689. unsigned int block_end;
  8690. if (val == 0x82 || val == 0x91) {
  8691. i = (i + 3 +
  8692. (vpd_data[i + 1] +
  8693. (vpd_data[i + 2] << 8)));
  8694. continue;
  8695. }
  8696. if (val != 0x90)
  8697. goto out_not_found;
  8698. block_end = (i + 3 +
  8699. (vpd_data[i + 1] +
  8700. (vpd_data[i + 2] << 8)));
  8701. i += 3;
  8702. if (block_end > 256)
  8703. goto out_not_found;
  8704. while (i < (block_end - 2)) {
  8705. if (vpd_data[i + 0] == 'P' &&
  8706. vpd_data[i + 1] == 'N') {
  8707. int partno_len = vpd_data[i + 2];
  8708. i += 3;
  8709. if (partno_len > 24 || (partno_len + i) > 256)
  8710. goto out_not_found;
  8711. memcpy(tp->board_part_number,
  8712. &vpd_data[i], partno_len);
  8713. /* Success. */
  8714. return;
  8715. }
  8716. i += 3 + vpd_data[i + 2];
  8717. }
  8718. /* Part number not found. */
  8719. goto out_not_found;
  8720. }
  8721. out_not_found:
  8722. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  8723. strcpy(tp->board_part_number, "BCM95906");
  8724. else
  8725. strcpy(tp->board_part_number, "none");
  8726. }
  8727. static void __devinit tg3_read_fw_ver(struct tg3 *tp)
  8728. {
  8729. u32 val, offset, start;
  8730. if (tg3_nvram_read_swab(tp, 0, &val))
  8731. return;
  8732. if (val != TG3_EEPROM_MAGIC)
  8733. return;
  8734. if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
  8735. tg3_nvram_read_swab(tp, 0x4, &start))
  8736. return;
  8737. offset = tg3_nvram_logical_addr(tp, offset);
  8738. if (tg3_nvram_read_swab(tp, offset, &val))
  8739. return;
  8740. if ((val & 0xfc000000) == 0x0c000000) {
  8741. u32 ver_offset, addr;
  8742. int i;
  8743. if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
  8744. tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
  8745. return;
  8746. if (val != 0)
  8747. return;
  8748. addr = offset + ver_offset - start;
  8749. for (i = 0; i < 16; i += 4) {
  8750. if (tg3_nvram_read(tp, addr + i, &val))
  8751. return;
  8752. val = cpu_to_le32(val);
  8753. memcpy(tp->fw_ver + i, &val, 4);
  8754. }
  8755. }
  8756. }
  8757. static int __devinit tg3_get_invariants(struct tg3 *tp)
  8758. {
  8759. static struct pci_device_id write_reorder_chipsets[] = {
  8760. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  8761. PCI_DEVICE_ID_AMD_FE_GATE_700C) },
  8762. { PCI_DEVICE(PCI_VENDOR_ID_AMD,
  8763. PCI_DEVICE_ID_AMD_8131_BRIDGE) },
  8764. { PCI_DEVICE(PCI_VENDOR_ID_VIA,
  8765. PCI_DEVICE_ID_VIA_8385_0) },
  8766. { },
  8767. };
  8768. u32 misc_ctrl_reg;
  8769. u32 cacheline_sz_reg;
  8770. u32 pci_state_reg, grc_misc_cfg;
  8771. u32 val;
  8772. u16 pci_cmd;
  8773. int err, pcie_cap;
  8774. /* Force memory write invalidate off. If we leave it on,
  8775. * then on 5700_BX chips we have to enable a workaround.
  8776. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
  8777. * to match the cacheline size. The Broadcom driver have this
  8778. * workaround but turns MWI off all the times so never uses
  8779. * it. This seems to suggest that the workaround is insufficient.
  8780. */
  8781. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  8782. pci_cmd &= ~PCI_COMMAND_INVALIDATE;
  8783. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  8784. /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
  8785. * has the register indirect write enable bit set before
  8786. * we try to access any of the MMIO registers. It is also
  8787. * critical that the PCI-X hw workaround situation is decided
  8788. * before that as well.
  8789. */
  8790. pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8791. &misc_ctrl_reg);
  8792. tp->pci_chip_rev_id = (misc_ctrl_reg >>
  8793. MISC_HOST_CTRL_CHIPREV_SHIFT);
  8794. /* Wrong chip ID in 5752 A0. This code can be removed later
  8795. * as A0 is not in production.
  8796. */
  8797. if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
  8798. tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
  8799. /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
  8800. * we need to disable memory and use config. cycles
  8801. * only to access all registers. The 5702/03 chips
  8802. * can mistakenly decode the special cycles from the
  8803. * ICH chipsets as memory write cycles, causing corruption
  8804. * of register and memory space. Only certain ICH bridges
  8805. * will drive special cycles with non-zero data during the
  8806. * address phase which can fall within the 5703's address
  8807. * range. This is not an ICH bug as the PCI spec allows
  8808. * non-zero address during special cycles. However, only
  8809. * these ICH bridges are known to drive non-zero addresses
  8810. * during special cycles.
  8811. *
  8812. * Since special cycles do not cross PCI bridges, we only
  8813. * enable this workaround if the 5703 is on the secondary
  8814. * bus of these ICH bridges.
  8815. */
  8816. if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
  8817. (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
  8818. static struct tg3_dev_id {
  8819. u32 vendor;
  8820. u32 device;
  8821. u32 rev;
  8822. } ich_chipsets[] = {
  8823. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
  8824. PCI_ANY_ID },
  8825. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
  8826. PCI_ANY_ID },
  8827. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
  8828. 0xa },
  8829. { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
  8830. PCI_ANY_ID },
  8831. { },
  8832. };
  8833. struct tg3_dev_id *pci_id = &ich_chipsets[0];
  8834. struct pci_dev *bridge = NULL;
  8835. while (pci_id->vendor != 0) {
  8836. bridge = pci_get_device(pci_id->vendor, pci_id->device,
  8837. bridge);
  8838. if (!bridge) {
  8839. pci_id++;
  8840. continue;
  8841. }
  8842. if (pci_id->rev != PCI_ANY_ID) {
  8843. u8 rev;
  8844. pci_read_config_byte(bridge, PCI_REVISION_ID,
  8845. &rev);
  8846. if (rev > pci_id->rev)
  8847. continue;
  8848. }
  8849. if (bridge->subordinate &&
  8850. (bridge->subordinate->number ==
  8851. tp->pdev->bus->number)) {
  8852. tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
  8853. pci_dev_put(bridge);
  8854. break;
  8855. }
  8856. }
  8857. }
  8858. /* The EPB bridge inside 5714, 5715, and 5780 cannot support
  8859. * DMA addresses > 40-bit. This bridge may have other additional
  8860. * 57xx devices behind it in some 4-port NIC designs for example.
  8861. * Any tg3 device found behind the bridge will also need the 40-bit
  8862. * DMA workaround.
  8863. */
  8864. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
  8865. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  8866. tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
  8867. tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
  8868. tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
  8869. }
  8870. else {
  8871. struct pci_dev *bridge = NULL;
  8872. do {
  8873. bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
  8874. PCI_DEVICE_ID_SERVERWORKS_EPB,
  8875. bridge);
  8876. if (bridge && bridge->subordinate &&
  8877. (bridge->subordinate->number <=
  8878. tp->pdev->bus->number) &&
  8879. (bridge->subordinate->subordinate >=
  8880. tp->pdev->bus->number)) {
  8881. tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
  8882. pci_dev_put(bridge);
  8883. break;
  8884. }
  8885. } while (bridge);
  8886. }
  8887. /* Initialize misc host control in PCI block. */
  8888. tp->misc_host_ctrl |= (misc_ctrl_reg &
  8889. MISC_HOST_CTRL_CHIPREV);
  8890. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  8891. tp->misc_host_ctrl);
  8892. pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  8893. &cacheline_sz_reg);
  8894. tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
  8895. tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
  8896. tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
  8897. tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
  8898. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  8899. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  8900. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  8901. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  8902. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
  8903. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  8904. tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
  8905. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
  8906. (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
  8907. tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
  8908. if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
  8909. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  8910. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  8911. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  8912. tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
  8913. tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
  8914. } else {
  8915. tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
  8916. TG3_FLG2_HW_TSO_1_BUG;
  8917. if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
  8918. ASIC_REV_5750 &&
  8919. tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
  8920. tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
  8921. }
  8922. }
  8923. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
  8924. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
  8925. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
  8926. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
  8927. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
  8928. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
  8929. tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
  8930. pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
  8931. if (pcie_cap != 0) {
  8932. tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
  8933. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  8934. u16 lnkctl;
  8935. pci_read_config_word(tp->pdev,
  8936. pcie_cap + PCI_EXP_LNKCTL,
  8937. &lnkctl);
  8938. if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
  8939. tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
  8940. }
  8941. }
  8942. /* If we have an AMD 762 or VIA K8T800 chipset, write
  8943. * reordering to the mailbox registers done by the host
  8944. * controller can cause major troubles. We read back from
  8945. * every mailbox register write to force the writes to be
  8946. * posted to the chip in order.
  8947. */
  8948. if (pci_dev_present(write_reorder_chipsets) &&
  8949. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  8950. tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
  8951. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  8952. tp->pci_lat_timer < 64) {
  8953. tp->pci_lat_timer = 64;
  8954. cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
  8955. cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
  8956. cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
  8957. cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
  8958. pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
  8959. cacheline_sz_reg);
  8960. }
  8961. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  8962. &pci_state_reg);
  8963. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
  8964. tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
  8965. /* If this is a 5700 BX chipset, and we are in PCI-X
  8966. * mode, enable register write workaround.
  8967. *
  8968. * The workaround is to use indirect register accesses
  8969. * for all chip writes not to mailbox registers.
  8970. */
  8971. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
  8972. u32 pm_reg;
  8973. u16 pci_cmd;
  8974. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  8975. /* The chip can have it's power management PCI config
  8976. * space registers clobbered due to this bug.
  8977. * So explicitly force the chip into D0 here.
  8978. */
  8979. pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  8980. &pm_reg);
  8981. pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
  8982. pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
  8983. pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
  8984. pm_reg);
  8985. /* Also, force SERR#/PERR# in PCI command. */
  8986. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  8987. pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
  8988. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  8989. }
  8990. }
  8991. /* 5700 BX chips need to have their TX producer index mailboxes
  8992. * written twice to workaround a bug.
  8993. */
  8994. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
  8995. tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
  8996. /* Back to back register writes can cause problems on this chip,
  8997. * the workaround is to read back all reg writes except those to
  8998. * mailbox regs. See tg3_write_indirect_reg32().
  8999. *
  9000. * PCI Express 5750_A0 rev chips need this workaround too.
  9001. */
  9002. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  9003. ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
  9004. tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
  9005. tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
  9006. if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
  9007. tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
  9008. if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
  9009. tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
  9010. /* Chip-specific fixup from Broadcom driver */
  9011. if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
  9012. (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
  9013. pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
  9014. pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
  9015. }
  9016. /* Default fast path register access methods */
  9017. tp->read32 = tg3_read32;
  9018. tp->write32 = tg3_write32;
  9019. tp->read32_mbox = tg3_read32;
  9020. tp->write32_mbox = tg3_write32;
  9021. tp->write32_tx_mbox = tg3_write32;
  9022. tp->write32_rx_mbox = tg3_write32;
  9023. /* Various workaround register access methods */
  9024. if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
  9025. tp->write32 = tg3_write_indirect_reg32;
  9026. else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
  9027. tp->write32 = tg3_write_flush_reg32;
  9028. if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
  9029. (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
  9030. tp->write32_tx_mbox = tg3_write32_tx_mbox;
  9031. if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
  9032. tp->write32_rx_mbox = tg3_write_flush_reg32;
  9033. }
  9034. if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
  9035. tp->read32 = tg3_read_indirect_reg32;
  9036. tp->write32 = tg3_write_indirect_reg32;
  9037. tp->read32_mbox = tg3_read_indirect_mbox;
  9038. tp->write32_mbox = tg3_write_indirect_mbox;
  9039. tp->write32_tx_mbox = tg3_write_indirect_mbox;
  9040. tp->write32_rx_mbox = tg3_write_indirect_mbox;
  9041. iounmap(tp->regs);
  9042. tp->regs = NULL;
  9043. pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
  9044. pci_cmd &= ~PCI_COMMAND_MEMORY;
  9045. pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
  9046. }
  9047. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  9048. tp->read32_mbox = tg3_read32_mbox_5906;
  9049. tp->write32_mbox = tg3_write32_mbox_5906;
  9050. tp->write32_tx_mbox = tg3_write32_mbox_5906;
  9051. tp->write32_rx_mbox = tg3_write32_mbox_5906;
  9052. }
  9053. if (tp->write32 == tg3_write_indirect_reg32 ||
  9054. ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  9055. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  9056. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
  9057. tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
  9058. /* Get eeprom hw config before calling tg3_set_power_state().
  9059. * In particular, the TG3_FLG2_IS_NIC flag must be
  9060. * determined before calling tg3_set_power_state() so that
  9061. * we know whether or not to switch out of Vaux power.
  9062. * When the flag is set, it means that GPIO1 is used for eeprom
  9063. * write protect and also implies that it is a LOM where GPIOs
  9064. * are not used to switch power.
  9065. */
  9066. tg3_get_eeprom_hw_cfg(tp);
  9067. /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
  9068. * GPIO1 driven high will bring 5700's external PHY out of reset.
  9069. * It is also used as eeprom write protect on LOMs.
  9070. */
  9071. tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
  9072. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  9073. (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
  9074. tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
  9075. GRC_LCLCTRL_GPIO_OUTPUT1);
  9076. /* Unused GPIO3 must be driven as output on 5752 because there
  9077. * are no pull-up resistors on unused GPIO pins.
  9078. */
  9079. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
  9080. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
  9081. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  9082. tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
  9083. /* Force the chip into D0. */
  9084. err = tg3_set_power_state(tp, PCI_D0);
  9085. if (err) {
  9086. printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
  9087. pci_name(tp->pdev));
  9088. return err;
  9089. }
  9090. /* 5700 B0 chips do not support checksumming correctly due
  9091. * to hardware bugs.
  9092. */
  9093. if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
  9094. tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
  9095. /* Derive initial jumbo mode from MTU assigned in
  9096. * ether_setup() via the alloc_etherdev() call
  9097. */
  9098. if (tp->dev->mtu > ETH_DATA_LEN &&
  9099. !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
  9100. tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
  9101. /* Determine WakeOnLan speed to use. */
  9102. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  9103. tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
  9104. tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
  9105. tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
  9106. tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
  9107. } else {
  9108. tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
  9109. }
  9110. /* A few boards don't want Ethernet@WireSpeed phy feature */
  9111. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
  9112. ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
  9113. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
  9114. (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
  9115. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
  9116. (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
  9117. tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
  9118. if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
  9119. GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
  9120. tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
  9121. if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
  9122. tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
  9123. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  9124. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  9125. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  9126. tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
  9127. else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
  9128. tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
  9129. }
  9130. tp->coalesce_mode = 0;
  9131. if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
  9132. GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
  9133. tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
  9134. /* Initialize MAC MI mode, polling disabled. */
  9135. tw32_f(MAC_MI_MODE, tp->mi_mode);
  9136. udelay(80);
  9137. /* Initialize data/descriptor byte/word swapping. */
  9138. val = tr32(GRC_MODE);
  9139. val &= GRC_MODE_HOST_STACKUP;
  9140. tw32(GRC_MODE, val | tp->grc_mode);
  9141. tg3_switch_clocks(tp);
  9142. /* Clear this out for sanity. */
  9143. tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
  9144. pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
  9145. &pci_state_reg);
  9146. if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
  9147. (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
  9148. u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
  9149. if (chiprevid == CHIPREV_ID_5701_A0 ||
  9150. chiprevid == CHIPREV_ID_5701_B0 ||
  9151. chiprevid == CHIPREV_ID_5701_B2 ||
  9152. chiprevid == CHIPREV_ID_5701_B5) {
  9153. void __iomem *sram_base;
  9154. /* Write some dummy words into the SRAM status block
  9155. * area, see if it reads back correctly. If the return
  9156. * value is bad, force enable the PCIX workaround.
  9157. */
  9158. sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
  9159. writel(0x00000000, sram_base);
  9160. writel(0x00000000, sram_base + 4);
  9161. writel(0xffffffff, sram_base + 4);
  9162. if (readl(sram_base) != 0x00000000)
  9163. tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
  9164. }
  9165. }
  9166. udelay(50);
  9167. tg3_nvram_init(tp);
  9168. grc_misc_cfg = tr32(GRC_MISC_CFG);
  9169. grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
  9170. /* Broadcom's driver says that CIOBE multisplit has a bug */
  9171. #if 0
  9172. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
  9173. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
  9174. tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
  9175. tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
  9176. }
  9177. #endif
  9178. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  9179. (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
  9180. grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
  9181. tp->tg3_flags2 |= TG3_FLG2_IS_5788;
  9182. if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
  9183. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
  9184. tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
  9185. if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
  9186. tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
  9187. HOSTCC_MODE_CLRTICK_TXBD);
  9188. tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
  9189. pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
  9190. tp->misc_host_ctrl);
  9191. }
  9192. /* these are limited to 10/100 only */
  9193. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
  9194. (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
  9195. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
  9196. tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  9197. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
  9198. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
  9199. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
  9200. (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
  9201. (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
  9202. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
  9203. tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
  9204. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  9205. tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
  9206. err = tg3_phy_probe(tp);
  9207. if (err) {
  9208. printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
  9209. pci_name(tp->pdev), err);
  9210. /* ... but do not return immediately ... */
  9211. }
  9212. tg3_read_partno(tp);
  9213. tg3_read_fw_ver(tp);
  9214. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
  9215. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  9216. } else {
  9217. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  9218. tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
  9219. else
  9220. tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
  9221. }
  9222. /* 5700 {AX,BX} chips have a broken status block link
  9223. * change bit implementation, so we must use the
  9224. * status register in those cases.
  9225. */
  9226. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
  9227. tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
  9228. else
  9229. tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
  9230. /* The led_ctrl is set during tg3_phy_probe, here we might
  9231. * have to force the link status polling mechanism based
  9232. * upon subsystem IDs.
  9233. */
  9234. if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
  9235. !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
  9236. tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
  9237. TG3_FLAG_USE_LINKCHG_REG);
  9238. }
  9239. /* For all SERDES we poll the MAC status register. */
  9240. if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
  9241. tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
  9242. else
  9243. tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
  9244. /* All chips before 5787 can get confused if TX buffers
  9245. * straddle the 4GB address boundary in some cases.
  9246. */
  9247. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  9248. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
  9249. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  9250. tp->dev->hard_start_xmit = tg3_start_xmit;
  9251. else
  9252. tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
  9253. tp->rx_offset = 2;
  9254. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
  9255. (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
  9256. tp->rx_offset = 0;
  9257. tp->rx_std_max_post = TG3_RX_RING_SIZE;
  9258. /* Increment the rx prod index on the rx std ring by at most
  9259. * 8 for these chips to workaround hw errata.
  9260. */
  9261. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
  9262. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
  9263. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
  9264. tp->rx_std_max_post = 8;
  9265. /* By default, disable wake-on-lan. User can change this
  9266. * using ETHTOOL_SWOL.
  9267. */
  9268. tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
  9269. return err;
  9270. }
  9271. #ifdef CONFIG_SPARC64
  9272. static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
  9273. {
  9274. struct net_device *dev = tp->dev;
  9275. struct pci_dev *pdev = tp->pdev;
  9276. struct pcidev_cookie *pcp = pdev->sysdata;
  9277. if (pcp != NULL) {
  9278. unsigned char *addr;
  9279. int len;
  9280. addr = of_get_property(pcp->prom_node, "local-mac-address",
  9281. &len);
  9282. if (addr && len == 6) {
  9283. memcpy(dev->dev_addr, addr, 6);
  9284. memcpy(dev->perm_addr, dev->dev_addr, 6);
  9285. return 0;
  9286. }
  9287. }
  9288. return -ENODEV;
  9289. }
  9290. static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
  9291. {
  9292. struct net_device *dev = tp->dev;
  9293. memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
  9294. memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
  9295. return 0;
  9296. }
  9297. #endif
  9298. static int __devinit tg3_get_device_address(struct tg3 *tp)
  9299. {
  9300. struct net_device *dev = tp->dev;
  9301. u32 hi, lo, mac_offset;
  9302. int addr_ok = 0;
  9303. #ifdef CONFIG_SPARC64
  9304. if (!tg3_get_macaddr_sparc(tp))
  9305. return 0;
  9306. #endif
  9307. mac_offset = 0x7c;
  9308. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  9309. (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
  9310. if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
  9311. mac_offset = 0xcc;
  9312. if (tg3_nvram_lock(tp))
  9313. tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
  9314. else
  9315. tg3_nvram_unlock(tp);
  9316. }
  9317. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
  9318. mac_offset = 0x10;
  9319. /* First try to get it from MAC address mailbox. */
  9320. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
  9321. if ((hi >> 16) == 0x484b) {
  9322. dev->dev_addr[0] = (hi >> 8) & 0xff;
  9323. dev->dev_addr[1] = (hi >> 0) & 0xff;
  9324. tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
  9325. dev->dev_addr[2] = (lo >> 24) & 0xff;
  9326. dev->dev_addr[3] = (lo >> 16) & 0xff;
  9327. dev->dev_addr[4] = (lo >> 8) & 0xff;
  9328. dev->dev_addr[5] = (lo >> 0) & 0xff;
  9329. /* Some old bootcode may report a 0 MAC address in SRAM */
  9330. addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
  9331. }
  9332. if (!addr_ok) {
  9333. /* Next, try NVRAM. */
  9334. if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
  9335. !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
  9336. dev->dev_addr[0] = ((hi >> 16) & 0xff);
  9337. dev->dev_addr[1] = ((hi >> 24) & 0xff);
  9338. dev->dev_addr[2] = ((lo >> 0) & 0xff);
  9339. dev->dev_addr[3] = ((lo >> 8) & 0xff);
  9340. dev->dev_addr[4] = ((lo >> 16) & 0xff);
  9341. dev->dev_addr[5] = ((lo >> 24) & 0xff);
  9342. }
  9343. /* Finally just fetch it out of the MAC control regs. */
  9344. else {
  9345. hi = tr32(MAC_ADDR_0_HIGH);
  9346. lo = tr32(MAC_ADDR_0_LOW);
  9347. dev->dev_addr[5] = lo & 0xff;
  9348. dev->dev_addr[4] = (lo >> 8) & 0xff;
  9349. dev->dev_addr[3] = (lo >> 16) & 0xff;
  9350. dev->dev_addr[2] = (lo >> 24) & 0xff;
  9351. dev->dev_addr[1] = hi & 0xff;
  9352. dev->dev_addr[0] = (hi >> 8) & 0xff;
  9353. }
  9354. }
  9355. if (!is_valid_ether_addr(&dev->dev_addr[0])) {
  9356. #ifdef CONFIG_SPARC64
  9357. if (!tg3_get_default_macaddr_sparc(tp))
  9358. return 0;
  9359. #endif
  9360. return -EINVAL;
  9361. }
  9362. memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
  9363. return 0;
  9364. }
  9365. #define BOUNDARY_SINGLE_CACHELINE 1
  9366. #define BOUNDARY_MULTI_CACHELINE 2
  9367. static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
  9368. {
  9369. int cacheline_size;
  9370. u8 byte;
  9371. int goal;
  9372. pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
  9373. if (byte == 0)
  9374. cacheline_size = 1024;
  9375. else
  9376. cacheline_size = (int) byte * 4;
  9377. /* On 5703 and later chips, the boundary bits have no
  9378. * effect.
  9379. */
  9380. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  9381. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
  9382. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
  9383. goto out;
  9384. #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
  9385. goal = BOUNDARY_MULTI_CACHELINE;
  9386. #else
  9387. #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
  9388. goal = BOUNDARY_SINGLE_CACHELINE;
  9389. #else
  9390. goal = 0;
  9391. #endif
  9392. #endif
  9393. if (!goal)
  9394. goto out;
  9395. /* PCI controllers on most RISC systems tend to disconnect
  9396. * when a device tries to burst across a cache-line boundary.
  9397. * Therefore, letting tg3 do so just wastes PCI bandwidth.
  9398. *
  9399. * Unfortunately, for PCI-E there are only limited
  9400. * write-side controls for this, and thus for reads
  9401. * we will still get the disconnects. We'll also waste
  9402. * these PCI cycles for both read and write for chips
  9403. * other than 5700 and 5701 which do not implement the
  9404. * boundary bits.
  9405. */
  9406. if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
  9407. !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
  9408. switch (cacheline_size) {
  9409. case 16:
  9410. case 32:
  9411. case 64:
  9412. case 128:
  9413. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9414. val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
  9415. DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
  9416. } else {
  9417. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  9418. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  9419. }
  9420. break;
  9421. case 256:
  9422. val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
  9423. DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
  9424. break;
  9425. default:
  9426. val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
  9427. DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
  9428. break;
  9429. };
  9430. } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  9431. switch (cacheline_size) {
  9432. case 16:
  9433. case 32:
  9434. case 64:
  9435. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9436. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  9437. val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
  9438. break;
  9439. }
  9440. /* fallthrough */
  9441. case 128:
  9442. default:
  9443. val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
  9444. val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
  9445. break;
  9446. };
  9447. } else {
  9448. switch (cacheline_size) {
  9449. case 16:
  9450. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9451. val |= (DMA_RWCTRL_READ_BNDRY_16 |
  9452. DMA_RWCTRL_WRITE_BNDRY_16);
  9453. break;
  9454. }
  9455. /* fallthrough */
  9456. case 32:
  9457. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9458. val |= (DMA_RWCTRL_READ_BNDRY_32 |
  9459. DMA_RWCTRL_WRITE_BNDRY_32);
  9460. break;
  9461. }
  9462. /* fallthrough */
  9463. case 64:
  9464. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9465. val |= (DMA_RWCTRL_READ_BNDRY_64 |
  9466. DMA_RWCTRL_WRITE_BNDRY_64);
  9467. break;
  9468. }
  9469. /* fallthrough */
  9470. case 128:
  9471. if (goal == BOUNDARY_SINGLE_CACHELINE) {
  9472. val |= (DMA_RWCTRL_READ_BNDRY_128 |
  9473. DMA_RWCTRL_WRITE_BNDRY_128);
  9474. break;
  9475. }
  9476. /* fallthrough */
  9477. case 256:
  9478. val |= (DMA_RWCTRL_READ_BNDRY_256 |
  9479. DMA_RWCTRL_WRITE_BNDRY_256);
  9480. break;
  9481. case 512:
  9482. val |= (DMA_RWCTRL_READ_BNDRY_512 |
  9483. DMA_RWCTRL_WRITE_BNDRY_512);
  9484. break;
  9485. case 1024:
  9486. default:
  9487. val |= (DMA_RWCTRL_READ_BNDRY_1024 |
  9488. DMA_RWCTRL_WRITE_BNDRY_1024);
  9489. break;
  9490. };
  9491. }
  9492. out:
  9493. return val;
  9494. }
  9495. static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
  9496. {
  9497. struct tg3_internal_buffer_desc test_desc;
  9498. u32 sram_dma_descs;
  9499. int i, ret;
  9500. sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
  9501. tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
  9502. tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
  9503. tw32(RDMAC_STATUS, 0);
  9504. tw32(WDMAC_STATUS, 0);
  9505. tw32(BUFMGR_MODE, 0);
  9506. tw32(FTQ_RESET, 0);
  9507. test_desc.addr_hi = ((u64) buf_dma) >> 32;
  9508. test_desc.addr_lo = buf_dma & 0xffffffff;
  9509. test_desc.nic_mbuf = 0x00002100;
  9510. test_desc.len = size;
  9511. /*
  9512. * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
  9513. * the *second* time the tg3 driver was getting loaded after an
  9514. * initial scan.
  9515. *
  9516. * Broadcom tells me:
  9517. * ...the DMA engine is connected to the GRC block and a DMA
  9518. * reset may affect the GRC block in some unpredictable way...
  9519. * The behavior of resets to individual blocks has not been tested.
  9520. *
  9521. * Broadcom noted the GRC reset will also reset all sub-components.
  9522. */
  9523. if (to_device) {
  9524. test_desc.cqid_sqid = (13 << 8) | 2;
  9525. tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
  9526. udelay(40);
  9527. } else {
  9528. test_desc.cqid_sqid = (16 << 8) | 7;
  9529. tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
  9530. udelay(40);
  9531. }
  9532. test_desc.flags = 0x00000005;
  9533. for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
  9534. u32 val;
  9535. val = *(((u32 *)&test_desc) + i);
  9536. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
  9537. sram_dma_descs + (i * sizeof(u32)));
  9538. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
  9539. }
  9540. pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
  9541. if (to_device) {
  9542. tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
  9543. } else {
  9544. tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
  9545. }
  9546. ret = -ENODEV;
  9547. for (i = 0; i < 40; i++) {
  9548. u32 val;
  9549. if (to_device)
  9550. val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
  9551. else
  9552. val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
  9553. if ((val & 0xffff) == sram_dma_descs) {
  9554. ret = 0;
  9555. break;
  9556. }
  9557. udelay(100);
  9558. }
  9559. return ret;
  9560. }
  9561. #define TEST_BUFFER_SIZE 0x2000
  9562. static int __devinit tg3_test_dma(struct tg3 *tp)
  9563. {
  9564. dma_addr_t buf_dma;
  9565. u32 *buf, saved_dma_rwctrl;
  9566. int ret;
  9567. buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
  9568. if (!buf) {
  9569. ret = -ENOMEM;
  9570. goto out_nofree;
  9571. }
  9572. tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
  9573. (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
  9574. tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
  9575. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  9576. /* DMA read watermark not used on PCIE */
  9577. tp->dma_rwctrl |= 0x00180000;
  9578. } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
  9579. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
  9580. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
  9581. tp->dma_rwctrl |= 0x003f0000;
  9582. else
  9583. tp->dma_rwctrl |= 0x003f000f;
  9584. } else {
  9585. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  9586. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
  9587. u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
  9588. /* If the 5704 is behind the EPB bridge, we can
  9589. * do the less restrictive ONE_DMA workaround for
  9590. * better performance.
  9591. */
  9592. if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
  9593. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  9594. tp->dma_rwctrl |= 0x8000;
  9595. else if (ccval == 0x6 || ccval == 0x7)
  9596. tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
  9597. /* Set bit 23 to enable PCIX hw bug fix */
  9598. tp->dma_rwctrl |= 0x009f0000;
  9599. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
  9600. /* 5780 always in PCIX mode */
  9601. tp->dma_rwctrl |= 0x00144000;
  9602. } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
  9603. /* 5714 always in PCIX mode */
  9604. tp->dma_rwctrl |= 0x00148000;
  9605. } else {
  9606. tp->dma_rwctrl |= 0x001b000f;
  9607. }
  9608. }
  9609. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
  9610. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
  9611. tp->dma_rwctrl &= 0xfffffff0;
  9612. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  9613. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
  9614. /* Remove this if it causes problems for some boards. */
  9615. tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
  9616. /* On 5700/5701 chips, we need to set this bit.
  9617. * Otherwise the chip will issue cacheline transactions
  9618. * to streamable DMA memory with not all the byte
  9619. * enables turned on. This is an error on several
  9620. * RISC PCI controllers, in particular sparc64.
  9621. *
  9622. * On 5703/5704 chips, this bit has been reassigned
  9623. * a different meaning. In particular, it is used
  9624. * on those chips to enable a PCI-X workaround.
  9625. */
  9626. tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
  9627. }
  9628. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  9629. #if 0
  9630. /* Unneeded, already done by tg3_get_invariants. */
  9631. tg3_switch_clocks(tp);
  9632. #endif
  9633. ret = 0;
  9634. if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
  9635. GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
  9636. goto out;
  9637. /* It is best to perform DMA test with maximum write burst size
  9638. * to expose the 5700/5701 write DMA bug.
  9639. */
  9640. saved_dma_rwctrl = tp->dma_rwctrl;
  9641. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  9642. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  9643. while (1) {
  9644. u32 *p = buf, i;
  9645. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
  9646. p[i] = i;
  9647. /* Send the buffer to the chip. */
  9648. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
  9649. if (ret) {
  9650. printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
  9651. break;
  9652. }
  9653. #if 0
  9654. /* validate data reached card RAM correctly. */
  9655. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  9656. u32 val;
  9657. tg3_read_mem(tp, 0x2100 + (i*4), &val);
  9658. if (le32_to_cpu(val) != p[i]) {
  9659. printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
  9660. /* ret = -ENODEV here? */
  9661. }
  9662. p[i] = 0;
  9663. }
  9664. #endif
  9665. /* Now read it back. */
  9666. ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
  9667. if (ret) {
  9668. printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
  9669. break;
  9670. }
  9671. /* Verify it. */
  9672. for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
  9673. if (p[i] == i)
  9674. continue;
  9675. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  9676. DMA_RWCTRL_WRITE_BNDRY_16) {
  9677. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  9678. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  9679. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  9680. break;
  9681. } else {
  9682. printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
  9683. ret = -ENODEV;
  9684. goto out;
  9685. }
  9686. }
  9687. if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
  9688. /* Success. */
  9689. ret = 0;
  9690. break;
  9691. }
  9692. }
  9693. if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
  9694. DMA_RWCTRL_WRITE_BNDRY_16) {
  9695. static struct pci_device_id dma_wait_state_chipsets[] = {
  9696. { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
  9697. PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
  9698. { },
  9699. };
  9700. /* DMA test passed without adjusting DMA boundary,
  9701. * now look for chipsets that are known to expose the
  9702. * DMA bug without failing the test.
  9703. */
  9704. if (pci_dev_present(dma_wait_state_chipsets)) {
  9705. tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
  9706. tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
  9707. }
  9708. else
  9709. /* Safe to use the calculated DMA boundary. */
  9710. tp->dma_rwctrl = saved_dma_rwctrl;
  9711. tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
  9712. }
  9713. out:
  9714. pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
  9715. out_nofree:
  9716. return ret;
  9717. }
  9718. static void __devinit tg3_init_link_config(struct tg3 *tp)
  9719. {
  9720. tp->link_config.advertising =
  9721. (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
  9722. ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
  9723. ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
  9724. ADVERTISED_Autoneg | ADVERTISED_MII);
  9725. tp->link_config.speed = SPEED_INVALID;
  9726. tp->link_config.duplex = DUPLEX_INVALID;
  9727. tp->link_config.autoneg = AUTONEG_ENABLE;
  9728. tp->link_config.active_speed = SPEED_INVALID;
  9729. tp->link_config.active_duplex = DUPLEX_INVALID;
  9730. tp->link_config.phy_is_low_power = 0;
  9731. tp->link_config.orig_speed = SPEED_INVALID;
  9732. tp->link_config.orig_duplex = DUPLEX_INVALID;
  9733. tp->link_config.orig_autoneg = AUTONEG_INVALID;
  9734. }
  9735. static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
  9736. {
  9737. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  9738. tp->bufmgr_config.mbuf_read_dma_low_water =
  9739. DEFAULT_MB_RDMA_LOW_WATER_5705;
  9740. tp->bufmgr_config.mbuf_mac_rx_low_water =
  9741. DEFAULT_MB_MACRX_LOW_WATER_5705;
  9742. tp->bufmgr_config.mbuf_high_water =
  9743. DEFAULT_MB_HIGH_WATER_5705;
  9744. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
  9745. tp->bufmgr_config.mbuf_mac_rx_low_water =
  9746. DEFAULT_MB_MACRX_LOW_WATER_5906;
  9747. tp->bufmgr_config.mbuf_high_water =
  9748. DEFAULT_MB_HIGH_WATER_5906;
  9749. }
  9750. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  9751. DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
  9752. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  9753. DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
  9754. tp->bufmgr_config.mbuf_high_water_jumbo =
  9755. DEFAULT_MB_HIGH_WATER_JUMBO_5780;
  9756. } else {
  9757. tp->bufmgr_config.mbuf_read_dma_low_water =
  9758. DEFAULT_MB_RDMA_LOW_WATER;
  9759. tp->bufmgr_config.mbuf_mac_rx_low_water =
  9760. DEFAULT_MB_MACRX_LOW_WATER;
  9761. tp->bufmgr_config.mbuf_high_water =
  9762. DEFAULT_MB_HIGH_WATER;
  9763. tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
  9764. DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
  9765. tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
  9766. DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
  9767. tp->bufmgr_config.mbuf_high_water_jumbo =
  9768. DEFAULT_MB_HIGH_WATER_JUMBO;
  9769. }
  9770. tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
  9771. tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
  9772. }
  9773. static char * __devinit tg3_phy_string(struct tg3 *tp)
  9774. {
  9775. switch (tp->phy_id & PHY_ID_MASK) {
  9776. case PHY_ID_BCM5400: return "5400";
  9777. case PHY_ID_BCM5401: return "5401";
  9778. case PHY_ID_BCM5411: return "5411";
  9779. case PHY_ID_BCM5701: return "5701";
  9780. case PHY_ID_BCM5703: return "5703";
  9781. case PHY_ID_BCM5704: return "5704";
  9782. case PHY_ID_BCM5705: return "5705";
  9783. case PHY_ID_BCM5750: return "5750";
  9784. case PHY_ID_BCM5752: return "5752";
  9785. case PHY_ID_BCM5714: return "5714";
  9786. case PHY_ID_BCM5780: return "5780";
  9787. case PHY_ID_BCM5755: return "5755";
  9788. case PHY_ID_BCM5787: return "5787";
  9789. case PHY_ID_BCM5756: return "5722/5756";
  9790. case PHY_ID_BCM5906: return "5906";
  9791. case PHY_ID_BCM8002: return "8002/serdes";
  9792. case 0: return "serdes";
  9793. default: return "unknown";
  9794. };
  9795. }
  9796. static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
  9797. {
  9798. if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
  9799. strcpy(str, "PCI Express");
  9800. return str;
  9801. } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
  9802. u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
  9803. strcpy(str, "PCIX:");
  9804. if ((clock_ctrl == 7) ||
  9805. ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
  9806. GRC_MISC_CFG_BOARD_ID_5704CIOBE))
  9807. strcat(str, "133MHz");
  9808. else if (clock_ctrl == 0)
  9809. strcat(str, "33MHz");
  9810. else if (clock_ctrl == 2)
  9811. strcat(str, "50MHz");
  9812. else if (clock_ctrl == 4)
  9813. strcat(str, "66MHz");
  9814. else if (clock_ctrl == 6)
  9815. strcat(str, "100MHz");
  9816. } else {
  9817. strcpy(str, "PCI:");
  9818. if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
  9819. strcat(str, "66MHz");
  9820. else
  9821. strcat(str, "33MHz");
  9822. }
  9823. if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
  9824. strcat(str, ":32-bit");
  9825. else
  9826. strcat(str, ":64-bit");
  9827. return str;
  9828. }
  9829. static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
  9830. {
  9831. struct pci_dev *peer;
  9832. unsigned int func, devnr = tp->pdev->devfn & ~7;
  9833. for (func = 0; func < 8; func++) {
  9834. peer = pci_get_slot(tp->pdev->bus, devnr | func);
  9835. if (peer && peer != tp->pdev)
  9836. break;
  9837. pci_dev_put(peer);
  9838. }
  9839. /* 5704 can be configured in single-port mode, set peer to
  9840. * tp->pdev in that case.
  9841. */
  9842. if (!peer) {
  9843. peer = tp->pdev;
  9844. return peer;
  9845. }
  9846. /*
  9847. * We don't need to keep the refcount elevated; there's no way
  9848. * to remove one half of this device without removing the other
  9849. */
  9850. pci_dev_put(peer);
  9851. return peer;
  9852. }
  9853. static void __devinit tg3_init_coal(struct tg3 *tp)
  9854. {
  9855. struct ethtool_coalesce *ec = &tp->coal;
  9856. memset(ec, 0, sizeof(*ec));
  9857. ec->cmd = ETHTOOL_GCOALESCE;
  9858. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
  9859. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
  9860. ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
  9861. ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
  9862. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
  9863. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
  9864. ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
  9865. ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
  9866. ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
  9867. if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
  9868. HOSTCC_MODE_CLRTICK_TXBD)) {
  9869. ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
  9870. ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
  9871. ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
  9872. ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
  9873. }
  9874. if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
  9875. ec->rx_coalesce_usecs_irq = 0;
  9876. ec->tx_coalesce_usecs_irq = 0;
  9877. ec->stats_block_coalesce_usecs = 0;
  9878. }
  9879. }
  9880. static int __devinit tg3_init_one(struct pci_dev *pdev,
  9881. const struct pci_device_id *ent)
  9882. {
  9883. static int tg3_version_printed = 0;
  9884. unsigned long tg3reg_base, tg3reg_len;
  9885. struct net_device *dev;
  9886. struct tg3 *tp;
  9887. int i, err, pm_cap;
  9888. char str[40];
  9889. u64 dma_mask, persist_dma_mask;
  9890. if (tg3_version_printed++ == 0)
  9891. printk(KERN_INFO "%s", version);
  9892. err = pci_enable_device(pdev);
  9893. if (err) {
  9894. printk(KERN_ERR PFX "Cannot enable PCI device, "
  9895. "aborting.\n");
  9896. return err;
  9897. }
  9898. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  9899. printk(KERN_ERR PFX "Cannot find proper PCI device "
  9900. "base address, aborting.\n");
  9901. err = -ENODEV;
  9902. goto err_out_disable_pdev;
  9903. }
  9904. err = pci_request_regions(pdev, DRV_MODULE_NAME);
  9905. if (err) {
  9906. printk(KERN_ERR PFX "Cannot obtain PCI resources, "
  9907. "aborting.\n");
  9908. goto err_out_disable_pdev;
  9909. }
  9910. pci_set_master(pdev);
  9911. /* Find power-management capability. */
  9912. pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  9913. if (pm_cap == 0) {
  9914. printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
  9915. "aborting.\n");
  9916. err = -EIO;
  9917. goto err_out_free_res;
  9918. }
  9919. tg3reg_base = pci_resource_start(pdev, 0);
  9920. tg3reg_len = pci_resource_len(pdev, 0);
  9921. dev = alloc_etherdev(sizeof(*tp));
  9922. if (!dev) {
  9923. printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
  9924. err = -ENOMEM;
  9925. goto err_out_free_res;
  9926. }
  9927. SET_MODULE_OWNER(dev);
  9928. SET_NETDEV_DEV(dev, &pdev->dev);
  9929. #if TG3_VLAN_TAG_USED
  9930. dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
  9931. dev->vlan_rx_register = tg3_vlan_rx_register;
  9932. dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
  9933. #endif
  9934. tp = netdev_priv(dev);
  9935. tp->pdev = pdev;
  9936. tp->dev = dev;
  9937. tp->pm_cap = pm_cap;
  9938. tp->mac_mode = TG3_DEF_MAC_MODE;
  9939. tp->rx_mode = TG3_DEF_RX_MODE;
  9940. tp->tx_mode = TG3_DEF_TX_MODE;
  9941. tp->mi_mode = MAC_MI_MODE_BASE;
  9942. if (tg3_debug > 0)
  9943. tp->msg_enable = tg3_debug;
  9944. else
  9945. tp->msg_enable = TG3_DEF_MSG_ENABLE;
  9946. /* The word/byte swap controls here control register access byte
  9947. * swapping. DMA data byte swapping is controlled in the GRC_MODE
  9948. * setting below.
  9949. */
  9950. tp->misc_host_ctrl =
  9951. MISC_HOST_CTRL_MASK_PCI_INT |
  9952. MISC_HOST_CTRL_WORD_SWAP |
  9953. MISC_HOST_CTRL_INDIR_ACCESS |
  9954. MISC_HOST_CTRL_PCISTATE_RW;
  9955. /* The NONFRM (non-frame) byte/word swap controls take effect
  9956. * on descriptor entries, anything which isn't packet data.
  9957. *
  9958. * The StrongARM chips on the board (one for tx, one for rx)
  9959. * are running in big-endian mode.
  9960. */
  9961. tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
  9962. GRC_MODE_WSWAP_NONFRM_DATA);
  9963. #ifdef __BIG_ENDIAN
  9964. tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
  9965. #endif
  9966. spin_lock_init(&tp->lock);
  9967. spin_lock_init(&tp->indirect_lock);
  9968. INIT_WORK(&tp->reset_task, tg3_reset_task);
  9969. tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
  9970. if (tp->regs == 0UL) {
  9971. printk(KERN_ERR PFX "Cannot map device registers, "
  9972. "aborting.\n");
  9973. err = -ENOMEM;
  9974. goto err_out_free_dev;
  9975. }
  9976. tg3_init_link_config(tp);
  9977. tp->rx_pending = TG3_DEF_RX_RING_PENDING;
  9978. tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
  9979. tp->tx_pending = TG3_DEF_TX_RING_PENDING;
  9980. dev->open = tg3_open;
  9981. dev->stop = tg3_close;
  9982. dev->get_stats = tg3_get_stats;
  9983. dev->set_multicast_list = tg3_set_rx_mode;
  9984. dev->set_mac_address = tg3_set_mac_addr;
  9985. dev->do_ioctl = tg3_ioctl;
  9986. dev->tx_timeout = tg3_tx_timeout;
  9987. dev->poll = tg3_poll;
  9988. dev->ethtool_ops = &tg3_ethtool_ops;
  9989. dev->weight = 64;
  9990. dev->watchdog_timeo = TG3_TX_TIMEOUT;
  9991. dev->change_mtu = tg3_change_mtu;
  9992. dev->irq = pdev->irq;
  9993. #ifdef CONFIG_NET_POLL_CONTROLLER
  9994. dev->poll_controller = tg3_poll_controller;
  9995. #endif
  9996. err = tg3_get_invariants(tp);
  9997. if (err) {
  9998. printk(KERN_ERR PFX "Problem fetching invariants of chip, "
  9999. "aborting.\n");
  10000. goto err_out_iounmap;
  10001. }
  10002. /* The EPB bridge inside 5714, 5715, and 5780 and any
  10003. * device behind the EPB cannot support DMA addresses > 40-bit.
  10004. * On 64-bit systems with IOMMU, use 40-bit dma_mask.
  10005. * On 64-bit systems without IOMMU, use 64-bit dma_mask and
  10006. * do DMA address check in tg3_start_xmit().
  10007. */
  10008. if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
  10009. persist_dma_mask = dma_mask = DMA_32BIT_MASK;
  10010. else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
  10011. persist_dma_mask = dma_mask = DMA_40BIT_MASK;
  10012. #ifdef CONFIG_HIGHMEM
  10013. dma_mask = DMA_64BIT_MASK;
  10014. #endif
  10015. } else
  10016. persist_dma_mask = dma_mask = DMA_64BIT_MASK;
  10017. /* Configure DMA attributes. */
  10018. if (dma_mask > DMA_32BIT_MASK) {
  10019. err = pci_set_dma_mask(pdev, dma_mask);
  10020. if (!err) {
  10021. dev->features |= NETIF_F_HIGHDMA;
  10022. err = pci_set_consistent_dma_mask(pdev,
  10023. persist_dma_mask);
  10024. if (err < 0) {
  10025. printk(KERN_ERR PFX "Unable to obtain 64 bit "
  10026. "DMA for consistent allocations\n");
  10027. goto err_out_iounmap;
  10028. }
  10029. }
  10030. }
  10031. if (err || dma_mask == DMA_32BIT_MASK) {
  10032. err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
  10033. if (err) {
  10034. printk(KERN_ERR PFX "No usable DMA configuration, "
  10035. "aborting.\n");
  10036. goto err_out_iounmap;
  10037. }
  10038. }
  10039. tg3_init_bufmgr_config(tp);
  10040. #if TG3_TSO_SUPPORT != 0
  10041. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  10042. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  10043. }
  10044. else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
  10045. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
  10046. tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
  10047. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
  10048. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
  10049. tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
  10050. } else {
  10051. tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
  10052. }
  10053. /* TSO is on by default on chips that support hardware TSO.
  10054. * Firmware TSO on older chips gives lower performance, so it
  10055. * is off by default, but can be enabled using ethtool.
  10056. */
  10057. if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
  10058. dev->features |= NETIF_F_TSO;
  10059. if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
  10060. (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
  10061. dev->features |= NETIF_F_TSO6;
  10062. }
  10063. #endif
  10064. if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
  10065. !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
  10066. !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
  10067. tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
  10068. tp->rx_pending = 63;
  10069. }
  10070. if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
  10071. (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
  10072. tp->pdev_peer = tg3_find_peer(tp);
  10073. err = tg3_get_device_address(tp);
  10074. if (err) {
  10075. printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
  10076. "aborting.\n");
  10077. goto err_out_iounmap;
  10078. }
  10079. /*
  10080. * Reset chip in case UNDI or EFI driver did not shutdown
  10081. * DMA self test will enable WDMAC and we'll see (spurious)
  10082. * pending DMA on the PCI bus at that point.
  10083. */
  10084. if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
  10085. (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
  10086. pci_save_state(tp->pdev);
  10087. tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
  10088. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  10089. }
  10090. err = tg3_test_dma(tp);
  10091. if (err) {
  10092. printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
  10093. goto err_out_iounmap;
  10094. }
  10095. /* Tigon3 can do ipv4 only... and some chips have buggy
  10096. * checksumming.
  10097. */
  10098. if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
  10099. if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
  10100. GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
  10101. dev->features |= NETIF_F_HW_CSUM;
  10102. else
  10103. dev->features |= NETIF_F_IP_CSUM;
  10104. dev->features |= NETIF_F_SG;
  10105. tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
  10106. } else
  10107. tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
  10108. /* flow control autonegotiation is default behavior */
  10109. tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
  10110. tg3_init_coal(tp);
  10111. /* Now that we have fully setup the chip, save away a snapshot
  10112. * of the PCI config space. We need to restore this after
  10113. * GRC_MISC_CFG core clock resets and some resume events.
  10114. */
  10115. pci_save_state(tp->pdev);
  10116. err = register_netdev(dev);
  10117. if (err) {
  10118. printk(KERN_ERR PFX "Cannot register net device, "
  10119. "aborting.\n");
  10120. goto err_out_iounmap;
  10121. }
  10122. pci_set_drvdata(pdev, dev);
  10123. printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
  10124. dev->name,
  10125. tp->board_part_number,
  10126. tp->pci_chip_rev_id,
  10127. tg3_phy_string(tp),
  10128. tg3_bus_string(tp, str),
  10129. ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
  10130. ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
  10131. "10/100/1000Base-T")));
  10132. for (i = 0; i < 6; i++)
  10133. printk("%2.2x%c", dev->dev_addr[i],
  10134. i == 5 ? '\n' : ':');
  10135. printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
  10136. "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
  10137. "TSOcap[%d] \n",
  10138. dev->name,
  10139. (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
  10140. (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
  10141. (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
  10142. (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
  10143. (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
  10144. (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
  10145. (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
  10146. printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
  10147. dev->name, tp->dma_rwctrl,
  10148. (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
  10149. (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
  10150. netif_carrier_off(tp->dev);
  10151. return 0;
  10152. err_out_iounmap:
  10153. if (tp->regs) {
  10154. iounmap(tp->regs);
  10155. tp->regs = NULL;
  10156. }
  10157. err_out_free_dev:
  10158. free_netdev(dev);
  10159. err_out_free_res:
  10160. pci_release_regions(pdev);
  10161. err_out_disable_pdev:
  10162. pci_disable_device(pdev);
  10163. pci_set_drvdata(pdev, NULL);
  10164. return err;
  10165. }
  10166. static void __devexit tg3_remove_one(struct pci_dev *pdev)
  10167. {
  10168. struct net_device *dev = pci_get_drvdata(pdev);
  10169. if (dev) {
  10170. struct tg3 *tp = netdev_priv(dev);
  10171. flush_scheduled_work();
  10172. unregister_netdev(dev);
  10173. if (tp->regs) {
  10174. iounmap(tp->regs);
  10175. tp->regs = NULL;
  10176. }
  10177. free_netdev(dev);
  10178. pci_release_regions(pdev);
  10179. pci_disable_device(pdev);
  10180. pci_set_drvdata(pdev, NULL);
  10181. }
  10182. }
  10183. static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
  10184. {
  10185. struct net_device *dev = pci_get_drvdata(pdev);
  10186. struct tg3 *tp = netdev_priv(dev);
  10187. int err;
  10188. if (!netif_running(dev))
  10189. return 0;
  10190. flush_scheduled_work();
  10191. tg3_netif_stop(tp);
  10192. del_timer_sync(&tp->timer);
  10193. tg3_full_lock(tp, 1);
  10194. tg3_disable_ints(tp);
  10195. tg3_full_unlock(tp);
  10196. netif_device_detach(dev);
  10197. tg3_full_lock(tp, 0);
  10198. tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
  10199. tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
  10200. tg3_full_unlock(tp);
  10201. err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
  10202. if (err) {
  10203. tg3_full_lock(tp, 0);
  10204. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  10205. if (tg3_restart_hw(tp, 1))
  10206. goto out;
  10207. tp->timer.expires = jiffies + tp->timer_offset;
  10208. add_timer(&tp->timer);
  10209. netif_device_attach(dev);
  10210. tg3_netif_start(tp);
  10211. out:
  10212. tg3_full_unlock(tp);
  10213. }
  10214. return err;
  10215. }
  10216. static int tg3_resume(struct pci_dev *pdev)
  10217. {
  10218. struct net_device *dev = pci_get_drvdata(pdev);
  10219. struct tg3 *tp = netdev_priv(dev);
  10220. int err;
  10221. if (!netif_running(dev))
  10222. return 0;
  10223. pci_restore_state(tp->pdev);
  10224. err = tg3_set_power_state(tp, PCI_D0);
  10225. if (err)
  10226. return err;
  10227. netif_device_attach(dev);
  10228. tg3_full_lock(tp, 0);
  10229. tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
  10230. err = tg3_restart_hw(tp, 1);
  10231. if (err)
  10232. goto out;
  10233. tp->timer.expires = jiffies + tp->timer_offset;
  10234. add_timer(&tp->timer);
  10235. tg3_netif_start(tp);
  10236. out:
  10237. tg3_full_unlock(tp);
  10238. return err;
  10239. }
  10240. static struct pci_driver tg3_driver = {
  10241. .name = DRV_MODULE_NAME,
  10242. .id_table = tg3_pci_tbl,
  10243. .probe = tg3_init_one,
  10244. .remove = __devexit_p(tg3_remove_one),
  10245. .suspend = tg3_suspend,
  10246. .resume = tg3_resume
  10247. };
  10248. static int __init tg3_init(void)
  10249. {
  10250. return pci_register_driver(&tg3_driver);
  10251. }
  10252. static void __exit tg3_cleanup(void)
  10253. {
  10254. pci_unregister_driver(&tg3_driver);
  10255. }
  10256. module_init(tg3_init);
  10257. module_exit(tg3_cleanup);