bnx2x_link.c 235 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. /********************************************************/
  26. #define ETH_HLEN 14
  27. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  28. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  29. #define ETH_MIN_PACKET_SIZE 60
  30. #define ETH_MAX_PACKET_SIZE 1500
  31. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  32. #define MDIO_ACCESS_TIMEOUT 1000
  33. #define BMAC_CONTROL_RX_ENABLE 2
  34. /***********************************************************/
  35. /* Shortcut definitions */
  36. /***********************************************************/
  37. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  38. #define NIG_STATUS_EMAC0_MI_INT \
  39. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  40. #define NIG_STATUS_XGXS0_LINK10G \
  41. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  42. #define NIG_STATUS_XGXS0_LINK_STATUS \
  43. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  44. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  45. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  46. #define NIG_STATUS_SERDES0_LINK_STATUS \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  48. #define NIG_MASK_MI_INT \
  49. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  50. #define NIG_MASK_XGXS0_LINK10G \
  51. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  52. #define NIG_MASK_XGXS0_LINK_STATUS \
  53. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  54. #define NIG_MASK_SERDES0_LINK_STATUS \
  55. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  56. #define MDIO_AN_CL73_OR_37_COMPLETE \
  57. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  58. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  59. #define XGXS_RESET_BITS \
  60. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  61. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  62. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  63. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  64. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  65. #define SERDES_RESET_BITS \
  66. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  67. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  68. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  70. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  71. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  72. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  73. #define AUTONEG_PARALLEL \
  74. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  75. #define AUTONEG_SGMII_FIBER_AUTODET \
  76. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  77. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  78. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  79. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  80. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  81. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  82. #define GP_STATUS_SPEED_MASK \
  83. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  84. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  85. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  86. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  87. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  88. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  89. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  90. #define GP_STATUS_10G_HIG \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  92. #define GP_STATUS_10G_CX4 \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  94. #define GP_STATUS_12G_HIG \
  95. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
  96. #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
  97. #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
  98. #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
  99. #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
  100. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  101. #define GP_STATUS_10G_KX4 \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  103. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  104. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  105. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  106. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  107. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  108. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  109. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  110. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  111. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  112. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  113. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  114. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  115. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  116. #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
  117. #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
  118. #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
  119. #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
  120. #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
  121. #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
  122. #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
  123. #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
  124. #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
  125. #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
  126. #define PHY_XGXS_FLAG 0x1
  127. #define PHY_SGMII_FLAG 0x2
  128. #define PHY_SERDES_FLAG 0x4
  129. /* */
  130. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  131. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  132. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  133. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  134. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  135. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  136. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  137. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  138. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  139. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  140. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  141. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  142. #define SFP_EEPROM_OPTIONS_SIZE 2
  143. #define EDC_MODE_LINEAR 0x0022
  144. #define EDC_MODE_LIMITING 0x0044
  145. #define EDC_MODE_PASSIVE_DAC 0x0055
  146. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  147. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  148. /**********************************************************/
  149. /* INTERFACE */
  150. /**********************************************************/
  151. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  152. bnx2x_cl45_write(_bp, _phy, \
  153. (_phy)->def_md_devad, \
  154. (_bank + (_addr & 0xf)), \
  155. _val)
  156. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  157. bnx2x_cl45_read(_bp, _phy, \
  158. (_phy)->def_md_devad, \
  159. (_bank + (_addr & 0xf)), \
  160. _val)
  161. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  162. {
  163. u32 val = REG_RD(bp, reg);
  164. val |= bits;
  165. REG_WR(bp, reg, val);
  166. return val;
  167. }
  168. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  169. {
  170. u32 val = REG_RD(bp, reg);
  171. val &= ~bits;
  172. REG_WR(bp, reg, val);
  173. return val;
  174. }
  175. /******************************************************************/
  176. /* ETS section */
  177. /******************************************************************/
  178. void bnx2x_ets_disabled(struct link_params *params)
  179. {
  180. /* ETS disabled configuration*/
  181. struct bnx2x *bp = params->bp;
  182. DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
  183. /*
  184. * mapping between entry priority to client number (0,1,2 -debug and
  185. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  186. * 3bits client num.
  187. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  188. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  189. */
  190. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  191. /*
  192. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  193. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  194. * COS0 entry, 4 - COS1 entry.
  195. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  196. * bit4 bit3 bit2 bit1 bit0
  197. * MCP and debug are strict
  198. */
  199. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  200. /* defines which entries (clients) are subjected to WFQ arbitration */
  201. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  202. /*
  203. * For strict priority entries defines the number of consecutive
  204. * slots for the highest priority.
  205. */
  206. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  207. /*
  208. * mapping between the CREDIT_WEIGHT registers and actual client
  209. * numbers
  210. */
  211. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  212. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  213. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  214. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  215. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  216. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  217. /* ETS mode disable */
  218. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  219. /*
  220. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  221. * weight for COS0/COS1.
  222. */
  223. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  224. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  225. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  226. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  227. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  228. /* Defines the number of consecutive slots for the strict priority */
  229. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  230. }
  231. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  232. {
  233. /* ETS disabled configuration */
  234. struct bnx2x *bp = params->bp;
  235. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  236. /*
  237. * defines which entries (clients) are subjected to WFQ arbitration
  238. * COS0 0x8
  239. * COS1 0x10
  240. */
  241. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  242. /*
  243. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  244. * client numbers (WEIGHT_0 does not actually have to represent
  245. * client 0)
  246. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  247. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  248. */
  249. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  250. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  251. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  252. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  253. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  254. /* ETS mode enabled*/
  255. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  256. /* Defines the number of consecutive slots for the strict priority */
  257. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  258. /*
  259. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  260. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  261. * entry, 4 - COS1 entry.
  262. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  263. * bit4 bit3 bit2 bit1 bit0
  264. * MCP and debug are strict
  265. */
  266. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  267. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  268. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  269. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  270. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  271. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  272. }
  273. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  274. const u32 cos1_bw)
  275. {
  276. /* ETS disabled configuration*/
  277. struct bnx2x *bp = params->bp;
  278. const u32 total_bw = cos0_bw + cos1_bw;
  279. u32 cos0_credit_weight = 0;
  280. u32 cos1_credit_weight = 0;
  281. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  282. if ((0 == total_bw) ||
  283. (0 == cos0_bw) ||
  284. (0 == cos1_bw)) {
  285. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  286. return;
  287. }
  288. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  289. total_bw;
  290. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  291. total_bw;
  292. bnx2x_ets_bw_limit_common(params);
  293. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  294. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  295. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  296. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  297. }
  298. u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  299. {
  300. /* ETS disabled configuration*/
  301. struct bnx2x *bp = params->bp;
  302. u32 val = 0;
  303. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  304. /*
  305. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  306. * as strict. Bits 0,1,2 - debug and management entries,
  307. * 3 - COS0 entry, 4 - COS1 entry.
  308. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  309. * bit4 bit3 bit2 bit1 bit0
  310. * MCP and debug are strict
  311. */
  312. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  313. /*
  314. * For strict priority entries defines the number of consecutive slots
  315. * for the highest priority.
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  318. /* ETS mode disable */
  319. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  320. /* Defines the number of consecutive slots for the strict priority */
  321. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  322. /* Defines the number of consecutive slots for the strict priority */
  323. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  324. /*
  325. * mapping between entry priority to client number (0,1,2 -debug and
  326. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  327. * 3bits client num.
  328. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  329. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  330. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  331. */
  332. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  334. return 0;
  335. }
  336. /******************************************************************/
  337. /* ETS section */
  338. /******************************************************************/
  339. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  340. u32 pfc_frames_sent[2],
  341. u32 pfc_frames_received[2])
  342. {
  343. /* Read pfc statistic */
  344. struct bnx2x *bp = params->bp;
  345. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  346. NIG_REG_INGRESS_BMAC0_MEM;
  347. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  348. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  349. pfc_frames_sent, 2);
  350. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  351. pfc_frames_received, 2);
  352. }
  353. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  354. u32 pfc_frames_sent[2],
  355. u32 pfc_frames_received[2])
  356. {
  357. /* Read pfc statistic */
  358. struct bnx2x *bp = params->bp;
  359. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  360. u32 val_xon = 0;
  361. u32 val_xoff = 0;
  362. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  363. /* PFC received frames */
  364. val_xoff = REG_RD(bp, emac_base +
  365. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  366. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  367. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  368. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  369. pfc_frames_received[0] = val_xon + val_xoff;
  370. /* PFC received sent */
  371. val_xoff = REG_RD(bp, emac_base +
  372. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  373. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  374. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  375. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  376. pfc_frames_sent[0] = val_xon + val_xoff;
  377. }
  378. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  379. u32 pfc_frames_sent[2],
  380. u32 pfc_frames_received[2])
  381. {
  382. /* Read pfc statistic */
  383. struct bnx2x *bp = params->bp;
  384. u32 val = 0;
  385. DP(NETIF_MSG_LINK, "pfc statistic\n");
  386. if (!vars->link_up)
  387. return;
  388. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  389. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  390. == 0) {
  391. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  392. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  393. pfc_frames_received);
  394. } else {
  395. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  396. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  397. pfc_frames_received);
  398. }
  399. }
  400. /******************************************************************/
  401. /* MAC/PBF section */
  402. /******************************************************************/
  403. static void bnx2x_emac_init(struct link_params *params,
  404. struct link_vars *vars)
  405. {
  406. /* reset and unreset the emac core */
  407. struct bnx2x *bp = params->bp;
  408. u8 port = params->port;
  409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  410. u32 val;
  411. u16 timeout;
  412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  413. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  414. udelay(5);
  415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  416. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  417. /* init emac - use read-modify-write */
  418. /* self clear reset */
  419. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  420. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  421. timeout = 200;
  422. do {
  423. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  424. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  425. if (!timeout) {
  426. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  427. return;
  428. }
  429. timeout--;
  430. } while (val & EMAC_MODE_RESET);
  431. /* Set mac address */
  432. val = ((params->mac_addr[0] << 8) |
  433. params->mac_addr[1]);
  434. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  435. val = ((params->mac_addr[2] << 24) |
  436. (params->mac_addr[3] << 16) |
  437. (params->mac_addr[4] << 8) |
  438. params->mac_addr[5]);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  440. }
  441. static u8 bnx2x_emac_enable(struct link_params *params,
  442. struct link_vars *vars, u8 lb)
  443. {
  444. struct bnx2x *bp = params->bp;
  445. u8 port = params->port;
  446. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  447. u32 val;
  448. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  449. /* enable emac and not bmac */
  450. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  451. /* for paladium */
  452. if (CHIP_REV_IS_EMUL(bp)) {
  453. /* Use lane 1 (of lanes 0-3) */
  454. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
  455. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  456. }
  457. /* for fpga */
  458. else
  459. if (CHIP_REV_IS_FPGA(bp)) {
  460. /* Use lane 1 (of lanes 0-3) */
  461. DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
  462. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
  463. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  464. } else
  465. /* ASIC */
  466. if (vars->phy_flags & PHY_XGXS_FLAG) {
  467. u32 ser_lane = ((params->lane_config &
  468. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  469. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  470. DP(NETIF_MSG_LINK, "XGXS\n");
  471. /* select the master lanes (out of 0-3) */
  472. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  473. /* select XGXS */
  474. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  475. } else { /* SerDes */
  476. DP(NETIF_MSG_LINK, "SerDes\n");
  477. /* select SerDes */
  478. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  479. }
  480. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  481. EMAC_RX_MODE_RESET);
  482. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  483. EMAC_TX_MODE_RESET);
  484. if (CHIP_REV_IS_SLOW(bp)) {
  485. /* config GMII mode */
  486. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  487. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  488. } else { /* ASIC */
  489. /* pause enable/disable */
  490. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  491. EMAC_RX_MODE_FLOW_EN);
  492. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  493. (EMAC_TX_MODE_EXT_PAUSE_EN |
  494. EMAC_TX_MODE_FLOW_EN));
  495. if (!(params->feature_config_flags &
  496. FEATURE_CONFIG_PFC_ENABLED)) {
  497. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  498. bnx2x_bits_en(bp, emac_base +
  499. EMAC_REG_EMAC_RX_MODE,
  500. EMAC_RX_MODE_FLOW_EN);
  501. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  502. bnx2x_bits_en(bp, emac_base +
  503. EMAC_REG_EMAC_TX_MODE,
  504. (EMAC_TX_MODE_EXT_PAUSE_EN |
  505. EMAC_TX_MODE_FLOW_EN));
  506. } else
  507. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  508. EMAC_TX_MODE_FLOW_EN);
  509. }
  510. /* KEEP_VLAN_TAG, promiscuous */
  511. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  512. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  513. /*
  514. * Setting this bit causes MAC control frames (except for pause
  515. * frames) to be passed on for processing. This setting has no
  516. * affect on the operation of the pause frames. This bit effects
  517. * all packets regardless of RX Parser packet sorting logic.
  518. * Turn the PFC off to make sure we are in Xon state before
  519. * enabling it.
  520. */
  521. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  522. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  523. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  524. /* Enable PFC again */
  525. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  526. EMAC_REG_RX_PFC_MODE_RX_EN |
  527. EMAC_REG_RX_PFC_MODE_TX_EN |
  528. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  529. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  530. ((0x0101 <<
  531. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  532. (0x00ff <<
  533. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  534. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  535. }
  536. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  537. /* Set Loopback */
  538. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  539. if (lb)
  540. val |= 0x810;
  541. else
  542. val &= ~0x810;
  543. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  544. /* enable emac */
  545. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  546. /* enable emac for jumbo packets */
  547. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  548. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  549. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  550. /* strip CRC */
  551. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  552. /* disable the NIG in/out to the bmac */
  553. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  554. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  555. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  556. /* enable the NIG in/out to the emac */
  557. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  558. val = 0;
  559. if ((params->feature_config_flags &
  560. FEATURE_CONFIG_PFC_ENABLED) ||
  561. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  562. val = 1;
  563. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  564. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  565. if (CHIP_REV_IS_EMUL(bp)) {
  566. /* take the BigMac out of reset */
  567. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  568. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  569. /* enable access for bmac registers */
  570. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  571. } else
  572. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  573. vars->mac_type = MAC_TYPE_EMAC;
  574. return 0;
  575. }
  576. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  577. struct link_vars *vars)
  578. {
  579. u32 wb_data[2];
  580. struct bnx2x *bp = params->bp;
  581. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  582. NIG_REG_INGRESS_BMAC0_MEM;
  583. u32 val = 0x14;
  584. if ((!(params->feature_config_flags &
  585. FEATURE_CONFIG_PFC_ENABLED)) &&
  586. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  587. /* Enable BigMAC to react on received Pause packets */
  588. val |= (1<<5);
  589. wb_data[0] = val;
  590. wb_data[1] = 0;
  591. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  592. /* tx control */
  593. val = 0xc0;
  594. if (!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  597. val |= 0x800000;
  598. wb_data[0] = val;
  599. wb_data[1] = 0;
  600. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  601. }
  602. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  603. struct link_vars *vars,
  604. u8 is_lb)
  605. {
  606. /*
  607. * Set rx control: Strip CRC and enable BigMAC to relay
  608. * control packets to the system as well
  609. */
  610. u32 wb_data[2];
  611. struct bnx2x *bp = params->bp;
  612. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  613. NIG_REG_INGRESS_BMAC0_MEM;
  614. u32 val = 0x14;
  615. if ((!(params->feature_config_flags &
  616. FEATURE_CONFIG_PFC_ENABLED)) &&
  617. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  618. /* Enable BigMAC to react on received Pause packets */
  619. val |= (1<<5);
  620. wb_data[0] = val;
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  623. udelay(30);
  624. /* Tx control */
  625. val = 0xc0;
  626. if (!(params->feature_config_flags &
  627. FEATURE_CONFIG_PFC_ENABLED) &&
  628. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  629. val |= 0x800000;
  630. wb_data[0] = val;
  631. wb_data[1] = 0;
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  633. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  634. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  635. /* Enable PFC RX & TX & STATS and set 8 COS */
  636. wb_data[0] = 0x0;
  637. wb_data[0] |= (1<<0); /* RX */
  638. wb_data[0] |= (1<<1); /* TX */
  639. wb_data[0] |= (1<<2); /* Force initial Xon */
  640. wb_data[0] |= (1<<3); /* 8 cos */
  641. wb_data[0] |= (1<<5); /* STATS */
  642. wb_data[1] = 0;
  643. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  644. wb_data, 2);
  645. /* Clear the force Xon */
  646. wb_data[0] &= ~(1<<2);
  647. } else {
  648. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  649. /* disable PFC RX & TX & STATS and set 8 COS */
  650. wb_data[0] = 0x8;
  651. wb_data[1] = 0;
  652. }
  653. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  654. /*
  655. * Set Time (based unit is 512 bit time) between automatic
  656. * re-sending of PP packets amd enable automatic re-send of
  657. * Per-Priroity Packet as long as pp_gen is asserted and
  658. * pp_disable is low.
  659. */
  660. val = 0x8000;
  661. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  662. val |= (1<<16); /* enable automatic re-send */
  663. wb_data[0] = val;
  664. wb_data[1] = 0;
  665. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  666. wb_data, 2);
  667. /* mac control */
  668. val = 0x3; /* Enable RX and TX */
  669. if (is_lb) {
  670. val |= 0x4; /* Local loopback */
  671. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  672. }
  673. /* When PFC enabled, Pass pause frames towards the NIG. */
  674. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  675. val |= ((1<<6)|(1<<5));
  676. wb_data[0] = val;
  677. wb_data[1] = 0;
  678. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  679. }
  680. static void bnx2x_update_pfc_brb(struct link_params *params,
  681. struct link_vars *vars,
  682. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  683. {
  684. struct bnx2x *bp = params->bp;
  685. int set_pfc = params->feature_config_flags &
  686. FEATURE_CONFIG_PFC_ENABLED;
  687. /* default - pause configuration */
  688. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  689. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  690. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  691. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  692. if (set_pfc && pfc_params)
  693. /* First COS */
  694. if (!pfc_params->cos0_pauseable) {
  695. pause_xoff_th =
  696. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  697. pause_xon_th =
  698. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  699. full_xoff_th =
  700. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  701. full_xon_th =
  702. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  703. }
  704. /*
  705. * The number of free blocks below which the pause signal to class 0
  706. * of MAC #n is asserted. n=0,1
  707. */
  708. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  709. /*
  710. * The number of free blocks above which the pause signal to class 0
  711. * of MAC #n is de-asserted. n=0,1
  712. */
  713. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  714. /*
  715. * The number of free blocks below which the full signal to class 0
  716. * of MAC #n is asserted. n=0,1
  717. */
  718. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  719. /*
  720. * The number of free blocks above which the full signal to class 0
  721. * of MAC #n is de-asserted. n=0,1
  722. */
  723. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  724. if (set_pfc && pfc_params) {
  725. /* Second COS */
  726. if (pfc_params->cos1_pauseable) {
  727. pause_xoff_th =
  728. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  729. pause_xon_th =
  730. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  731. full_xoff_th =
  732. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  733. full_xon_th =
  734. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  735. } else {
  736. pause_xoff_th =
  737. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  738. pause_xon_th =
  739. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  740. full_xoff_th =
  741. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  742. full_xon_th =
  743. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  744. }
  745. /*
  746. * The number of free blocks below which the pause signal to
  747. * class 1 of MAC #n is asserted. n=0,1
  748. */
  749. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  750. /*
  751. * The number of free blocks above which the pause signal to
  752. * class 1 of MAC #n is de-asserted. n=0,1
  753. */
  754. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  755. /*
  756. * The number of free blocks below which the full signal to
  757. * class 1 of MAC #n is asserted. n=0,1
  758. */
  759. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  760. /*
  761. * The number of free blocks above which the full signal to
  762. * class 1 of MAC #n is de-asserted. n=0,1
  763. */
  764. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  765. }
  766. }
  767. static void bnx2x_update_pfc_nig(struct link_params *params,
  768. struct link_vars *vars,
  769. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  770. {
  771. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  772. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  773. u32 pkt_priority_to_cos = 0;
  774. u32 val;
  775. struct bnx2x *bp = params->bp;
  776. int port = params->port;
  777. int set_pfc = params->feature_config_flags &
  778. FEATURE_CONFIG_PFC_ENABLED;
  779. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  780. /*
  781. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  782. * MAC control frames (that are not pause packets)
  783. * will be forwarded to the XCM.
  784. */
  785. xcm_mask = REG_RD(bp,
  786. port ? NIG_REG_LLH1_XCM_MASK :
  787. NIG_REG_LLH0_XCM_MASK);
  788. /*
  789. * nig params will override non PFC params, since it's possible to
  790. * do transition from PFC to SAFC
  791. */
  792. if (set_pfc) {
  793. pause_enable = 0;
  794. llfc_out_en = 0;
  795. llfc_enable = 0;
  796. ppp_enable = 1;
  797. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  798. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  799. xcm0_out_en = 0;
  800. p0_hwpfc_enable = 1;
  801. } else {
  802. if (nig_params) {
  803. llfc_out_en = nig_params->llfc_out_en;
  804. llfc_enable = nig_params->llfc_enable;
  805. pause_enable = nig_params->pause_enable;
  806. } else /*defaul non PFC mode - PAUSE */
  807. pause_enable = 1;
  808. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  809. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  810. xcm0_out_en = 1;
  811. }
  812. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  813. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  814. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  815. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  816. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  817. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  818. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  819. NIG_REG_PPP_ENABLE_0, ppp_enable);
  820. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  821. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  822. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  823. /* output enable for RX_XCM # IF */
  824. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  825. /* HW PFC TX enable */
  826. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  827. /* 0x2 = BMAC, 0x1= EMAC */
  828. switch (vars->mac_type) {
  829. case MAC_TYPE_EMAC:
  830. val = 1;
  831. break;
  832. case MAC_TYPE_BMAC:
  833. val = 0;
  834. break;
  835. default:
  836. val = 0;
  837. break;
  838. }
  839. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  840. if (nig_params) {
  841. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  842. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  843. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  844. nig_params->rx_cos0_priority_mask);
  845. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  846. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  847. nig_params->rx_cos1_priority_mask);
  848. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  849. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  850. nig_params->llfc_high_priority_classes);
  851. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  852. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  853. nig_params->llfc_low_priority_classes);
  854. }
  855. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  856. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  857. pkt_priority_to_cos);
  858. }
  859. void bnx2x_update_pfc(struct link_params *params,
  860. struct link_vars *vars,
  861. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  862. {
  863. /*
  864. * The PFC and pause are orthogonal to one another, meaning when
  865. * PFC is enabled, the pause are disabled, and when PFC is
  866. * disabled, pause are set according to the pause result.
  867. */
  868. u32 val;
  869. struct bnx2x *bp = params->bp;
  870. /* update NIG params */
  871. bnx2x_update_pfc_nig(params, vars, pfc_params);
  872. /* update BRB params */
  873. bnx2x_update_pfc_brb(params, vars, pfc_params);
  874. if (!vars->link_up)
  875. return;
  876. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  877. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  878. == 0) {
  879. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  880. bnx2x_emac_enable(params, vars, 0);
  881. return;
  882. }
  883. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  884. if (CHIP_IS_E2(bp))
  885. bnx2x_update_pfc_bmac2(params, vars, 0);
  886. else
  887. bnx2x_update_pfc_bmac1(params, vars);
  888. val = 0;
  889. if ((params->feature_config_flags &
  890. FEATURE_CONFIG_PFC_ENABLED) ||
  891. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  892. val = 1;
  893. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  894. }
  895. static u8 bnx2x_bmac1_enable(struct link_params *params,
  896. struct link_vars *vars,
  897. u8 is_lb)
  898. {
  899. struct bnx2x *bp = params->bp;
  900. u8 port = params->port;
  901. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  902. NIG_REG_INGRESS_BMAC0_MEM;
  903. u32 wb_data[2];
  904. u32 val;
  905. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  906. /* XGXS control */
  907. wb_data[0] = 0x3c;
  908. wb_data[1] = 0;
  909. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  910. wb_data, 2);
  911. /* tx MAC SA */
  912. wb_data[0] = ((params->mac_addr[2] << 24) |
  913. (params->mac_addr[3] << 16) |
  914. (params->mac_addr[4] << 8) |
  915. params->mac_addr[5]);
  916. wb_data[1] = ((params->mac_addr[0] << 8) |
  917. params->mac_addr[1]);
  918. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  919. /* mac control */
  920. val = 0x3;
  921. if (is_lb) {
  922. val |= 0x4;
  923. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  924. }
  925. wb_data[0] = val;
  926. wb_data[1] = 0;
  927. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  928. /* set rx mtu */
  929. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  930. wb_data[1] = 0;
  931. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  932. bnx2x_update_pfc_bmac1(params, vars);
  933. /* set tx mtu */
  934. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  935. wb_data[1] = 0;
  936. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  937. /* set cnt max size */
  938. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  939. wb_data[1] = 0;
  940. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  941. /* configure safc */
  942. wb_data[0] = 0x1000200;
  943. wb_data[1] = 0;
  944. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  945. wb_data, 2);
  946. /* fix for emulation */
  947. if (CHIP_REV_IS_EMUL(bp)) {
  948. wb_data[0] = 0xf000;
  949. wb_data[1] = 0;
  950. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
  951. wb_data, 2);
  952. }
  953. return 0;
  954. }
  955. static u8 bnx2x_bmac2_enable(struct link_params *params,
  956. struct link_vars *vars,
  957. u8 is_lb)
  958. {
  959. struct bnx2x *bp = params->bp;
  960. u8 port = params->port;
  961. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  962. NIG_REG_INGRESS_BMAC0_MEM;
  963. u32 wb_data[2];
  964. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  965. wb_data[0] = 0;
  966. wb_data[1] = 0;
  967. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  968. udelay(30);
  969. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  970. wb_data[0] = 0x3c;
  971. wb_data[1] = 0;
  972. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  973. wb_data, 2);
  974. udelay(30);
  975. /* tx MAC SA */
  976. wb_data[0] = ((params->mac_addr[2] << 24) |
  977. (params->mac_addr[3] << 16) |
  978. (params->mac_addr[4] << 8) |
  979. params->mac_addr[5]);
  980. wb_data[1] = ((params->mac_addr[0] << 8) |
  981. params->mac_addr[1]);
  982. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  983. wb_data, 2);
  984. udelay(30);
  985. /* Configure SAFC */
  986. wb_data[0] = 0x1000200;
  987. wb_data[1] = 0;
  988. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  989. wb_data, 2);
  990. udelay(30);
  991. /* set rx mtu */
  992. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  993. wb_data[1] = 0;
  994. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  995. udelay(30);
  996. /* set tx mtu */
  997. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  998. wb_data[1] = 0;
  999. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  1000. udelay(30);
  1001. /* set cnt max size */
  1002. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  1003. wb_data[1] = 0;
  1004. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  1005. udelay(30);
  1006. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  1007. return 0;
  1008. }
  1009. static u8 bnx2x_bmac_enable(struct link_params *params,
  1010. struct link_vars *vars,
  1011. u8 is_lb)
  1012. {
  1013. u8 rc, port = params->port;
  1014. struct bnx2x *bp = params->bp;
  1015. u32 val;
  1016. /* reset and unreset the BigMac */
  1017. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1018. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1019. msleep(1);
  1020. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1021. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1022. /* enable access for bmac registers */
  1023. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  1024. /* Enable BMAC according to BMAC type*/
  1025. if (CHIP_IS_E2(bp))
  1026. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  1027. else
  1028. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1029. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1030. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1031. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1032. val = 0;
  1033. if ((params->feature_config_flags &
  1034. FEATURE_CONFIG_PFC_ENABLED) ||
  1035. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1036. val = 1;
  1037. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1038. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1039. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1040. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1041. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1042. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1043. vars->mac_type = MAC_TYPE_BMAC;
  1044. return rc;
  1045. }
  1046. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1047. {
  1048. struct bnx2x *bp = params->bp;
  1049. REG_WR(bp, params->shmem_base +
  1050. offsetof(struct shmem_region,
  1051. port_mb[params->port].link_status), link_status);
  1052. }
  1053. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1054. {
  1055. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1056. NIG_REG_INGRESS_BMAC0_MEM;
  1057. u32 wb_data[2];
  1058. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1059. /* Only if the bmac is out of reset */
  1060. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1061. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1062. nig_bmac_enable) {
  1063. if (CHIP_IS_E2(bp)) {
  1064. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1065. REG_RD_DMAE(bp, bmac_addr +
  1066. BIGMAC2_REGISTER_BMAC_CONTROL,
  1067. wb_data, 2);
  1068. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1069. REG_WR_DMAE(bp, bmac_addr +
  1070. BIGMAC2_REGISTER_BMAC_CONTROL,
  1071. wb_data, 2);
  1072. } else {
  1073. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1074. REG_RD_DMAE(bp, bmac_addr +
  1075. BIGMAC_REGISTER_BMAC_CONTROL,
  1076. wb_data, 2);
  1077. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1078. REG_WR_DMAE(bp, bmac_addr +
  1079. BIGMAC_REGISTER_BMAC_CONTROL,
  1080. wb_data, 2);
  1081. }
  1082. msleep(1);
  1083. }
  1084. }
  1085. static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1086. u32 line_speed)
  1087. {
  1088. struct bnx2x *bp = params->bp;
  1089. u8 port = params->port;
  1090. u32 init_crd, crd;
  1091. u32 count = 1000;
  1092. /* disable port */
  1093. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1094. /* wait for init credit */
  1095. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1096. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1097. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1098. while ((init_crd != crd) && count) {
  1099. msleep(5);
  1100. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1101. count--;
  1102. }
  1103. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1104. if (init_crd != crd) {
  1105. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1106. init_crd, crd);
  1107. return -EINVAL;
  1108. }
  1109. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1110. line_speed == SPEED_10 ||
  1111. line_speed == SPEED_100 ||
  1112. line_speed == SPEED_1000 ||
  1113. line_speed == SPEED_2500) {
  1114. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1115. /* update threshold */
  1116. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1117. /* update init credit */
  1118. init_crd = 778; /* (800-18-4) */
  1119. } else {
  1120. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1121. ETH_OVREHEAD)/16;
  1122. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1123. /* update threshold */
  1124. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1125. /* update init credit */
  1126. switch (line_speed) {
  1127. case SPEED_10000:
  1128. init_crd = thresh + 553 - 22;
  1129. break;
  1130. case SPEED_12000:
  1131. init_crd = thresh + 664 - 22;
  1132. break;
  1133. case SPEED_13000:
  1134. init_crd = thresh + 742 - 22;
  1135. break;
  1136. case SPEED_16000:
  1137. init_crd = thresh + 778 - 22;
  1138. break;
  1139. default:
  1140. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1141. line_speed);
  1142. return -EINVAL;
  1143. }
  1144. }
  1145. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1146. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1147. line_speed, init_crd);
  1148. /* probe the credit changes */
  1149. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1150. msleep(5);
  1151. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1152. /* enable port */
  1153. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1154. return 0;
  1155. }
  1156. /*
  1157. * get_emac_base
  1158. *
  1159. * @param cb
  1160. * @param mdc_mdio_access
  1161. * @param port
  1162. *
  1163. * @return u32
  1164. *
  1165. * This function selects the MDC/MDIO access (through emac0 or
  1166. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1167. * phy has a default access mode, which could also be overridden
  1168. * by nvram configuration. This parameter, whether this is the
  1169. * default phy configuration, or the nvram overrun
  1170. * configuration, is passed here as mdc_mdio_access and selects
  1171. * the emac_base for the CL45 read/writes operations
  1172. */
  1173. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1174. u32 mdc_mdio_access, u8 port)
  1175. {
  1176. u32 emac_base = 0;
  1177. switch (mdc_mdio_access) {
  1178. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1179. break;
  1180. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1181. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1182. emac_base = GRCBASE_EMAC1;
  1183. else
  1184. emac_base = GRCBASE_EMAC0;
  1185. break;
  1186. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1187. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1188. emac_base = GRCBASE_EMAC0;
  1189. else
  1190. emac_base = GRCBASE_EMAC1;
  1191. break;
  1192. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1193. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1194. break;
  1195. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1196. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1197. break;
  1198. default:
  1199. break;
  1200. }
  1201. return emac_base;
  1202. }
  1203. /******************************************************************/
  1204. /* CL45 access functions */
  1205. /******************************************************************/
  1206. static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1207. u8 devad, u16 reg, u16 val)
  1208. {
  1209. u32 tmp, saved_mode;
  1210. u8 i, rc = 0;
  1211. /*
  1212. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1213. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1214. */
  1215. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1216. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1217. EMAC_MDIO_MODE_CLOCK_CNT);
  1218. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1219. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1220. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1221. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1222. udelay(40);
  1223. /* address */
  1224. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1225. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1226. EMAC_MDIO_COMM_START_BUSY);
  1227. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1228. for (i = 0; i < 50; i++) {
  1229. udelay(10);
  1230. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1231. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1232. udelay(5);
  1233. break;
  1234. }
  1235. }
  1236. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1237. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1238. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1239. rc = -EFAULT;
  1240. } else {
  1241. /* data */
  1242. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1243. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1244. EMAC_MDIO_COMM_START_BUSY);
  1245. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1246. for (i = 0; i < 50; i++) {
  1247. udelay(10);
  1248. tmp = REG_RD(bp, phy->mdio_ctrl +
  1249. EMAC_REG_EMAC_MDIO_COMM);
  1250. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1251. udelay(5);
  1252. break;
  1253. }
  1254. }
  1255. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1256. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1257. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1258. rc = -EFAULT;
  1259. }
  1260. }
  1261. /* Restore the saved mode */
  1262. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1263. return rc;
  1264. }
  1265. static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1266. u8 devad, u16 reg, u16 *ret_val)
  1267. {
  1268. u32 val, saved_mode;
  1269. u16 i;
  1270. u8 rc = 0;
  1271. /*
  1272. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1273. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1274. */
  1275. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1276. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1277. EMAC_MDIO_MODE_CLOCK_CNT));
  1278. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1279. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1280. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1281. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1282. udelay(40);
  1283. /* address */
  1284. val = ((phy->addr << 21) | (devad << 16) | reg |
  1285. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1286. EMAC_MDIO_COMM_START_BUSY);
  1287. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1288. for (i = 0; i < 50; i++) {
  1289. udelay(10);
  1290. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1291. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1292. udelay(5);
  1293. break;
  1294. }
  1295. }
  1296. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1297. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1298. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1299. *ret_val = 0;
  1300. rc = -EFAULT;
  1301. } else {
  1302. /* data */
  1303. val = ((phy->addr << 21) | (devad << 16) |
  1304. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1305. EMAC_MDIO_COMM_START_BUSY);
  1306. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1307. for (i = 0; i < 50; i++) {
  1308. udelay(10);
  1309. val = REG_RD(bp, phy->mdio_ctrl +
  1310. EMAC_REG_EMAC_MDIO_COMM);
  1311. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1312. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1313. break;
  1314. }
  1315. }
  1316. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1317. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1318. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1319. *ret_val = 0;
  1320. rc = -EFAULT;
  1321. }
  1322. }
  1323. /* Restore the saved mode */
  1324. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1325. return rc;
  1326. }
  1327. u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1328. u8 devad, u16 reg, u16 *ret_val)
  1329. {
  1330. u8 phy_index;
  1331. /*
  1332. * Probe for the phy according to the given phy_addr, and execute
  1333. * the read request on it
  1334. */
  1335. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1336. if (params->phy[phy_index].addr == phy_addr) {
  1337. return bnx2x_cl45_read(params->bp,
  1338. &params->phy[phy_index], devad,
  1339. reg, ret_val);
  1340. }
  1341. }
  1342. return -EINVAL;
  1343. }
  1344. u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1345. u8 devad, u16 reg, u16 val)
  1346. {
  1347. u8 phy_index;
  1348. /*
  1349. * Probe for the phy according to the given phy_addr, and execute
  1350. * the write request on it
  1351. */
  1352. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1353. if (params->phy[phy_index].addr == phy_addr) {
  1354. return bnx2x_cl45_write(params->bp,
  1355. &params->phy[phy_index], devad,
  1356. reg, val);
  1357. }
  1358. }
  1359. return -EINVAL;
  1360. }
  1361. static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
  1362. struct bnx2x_phy *phy)
  1363. {
  1364. u32 ser_lane;
  1365. u16 offset, aer_val;
  1366. struct bnx2x *bp = params->bp;
  1367. ser_lane = ((params->lane_config &
  1368. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1369. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1370. offset = phy->addr + ser_lane;
  1371. if (CHIP_IS_E2(bp))
  1372. aer_val = 0x3800 + offset - 1;
  1373. else
  1374. aer_val = 0x3800 + offset;
  1375. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1376. MDIO_AER_BLOCK_AER_REG, aer_val);
  1377. }
  1378. static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
  1379. struct bnx2x_phy *phy)
  1380. {
  1381. CL22_WR_OVER_CL45(bp, phy,
  1382. MDIO_REG_BANK_AER_BLOCK,
  1383. MDIO_AER_BLOCK_AER_REG, 0x3800);
  1384. }
  1385. /******************************************************************/
  1386. /* Internal phy section */
  1387. /******************************************************************/
  1388. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1389. {
  1390. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1391. /* Set Clause 22 */
  1392. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1393. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1394. udelay(500);
  1395. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1396. udelay(500);
  1397. /* Set Clause 45 */
  1398. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1399. }
  1400. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1401. {
  1402. u32 val;
  1403. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1404. val = SERDES_RESET_BITS << (port*16);
  1405. /* reset and unreset the SerDes/XGXS */
  1406. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1407. udelay(500);
  1408. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1409. bnx2x_set_serdes_access(bp, port);
  1410. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1411. DEFAULT_PHY_DEV_ADDR);
  1412. }
  1413. static void bnx2x_xgxs_deassert(struct link_params *params)
  1414. {
  1415. struct bnx2x *bp = params->bp;
  1416. u8 port;
  1417. u32 val;
  1418. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1419. port = params->port;
  1420. val = XGXS_RESET_BITS << (port*16);
  1421. /* reset and unreset the SerDes/XGXS */
  1422. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1423. udelay(500);
  1424. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1425. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1426. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1427. params->phy[INT_PHY].def_md_devad);
  1428. }
  1429. void bnx2x_link_status_update(struct link_params *params,
  1430. struct link_vars *vars)
  1431. {
  1432. struct bnx2x *bp = params->bp;
  1433. u8 link_10g;
  1434. u8 port = params->port;
  1435. vars->link_status = REG_RD(bp, params->shmem_base +
  1436. offsetof(struct shmem_region,
  1437. port_mb[port].link_status));
  1438. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1439. if (vars->link_up) {
  1440. DP(NETIF_MSG_LINK, "phy link up\n");
  1441. vars->phy_link_up = 1;
  1442. vars->duplex = DUPLEX_FULL;
  1443. switch (vars->link_status &
  1444. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1445. case LINK_10THD:
  1446. vars->duplex = DUPLEX_HALF;
  1447. /* fall thru */
  1448. case LINK_10TFD:
  1449. vars->line_speed = SPEED_10;
  1450. break;
  1451. case LINK_100TXHD:
  1452. vars->duplex = DUPLEX_HALF;
  1453. /* fall thru */
  1454. case LINK_100T4:
  1455. case LINK_100TXFD:
  1456. vars->line_speed = SPEED_100;
  1457. break;
  1458. case LINK_1000THD:
  1459. vars->duplex = DUPLEX_HALF;
  1460. /* fall thru */
  1461. case LINK_1000TFD:
  1462. vars->line_speed = SPEED_1000;
  1463. break;
  1464. case LINK_2500THD:
  1465. vars->duplex = DUPLEX_HALF;
  1466. /* fall thru */
  1467. case LINK_2500TFD:
  1468. vars->line_speed = SPEED_2500;
  1469. break;
  1470. case LINK_10GTFD:
  1471. vars->line_speed = SPEED_10000;
  1472. break;
  1473. case LINK_12GTFD:
  1474. vars->line_speed = SPEED_12000;
  1475. break;
  1476. case LINK_12_5GTFD:
  1477. vars->line_speed = SPEED_12500;
  1478. break;
  1479. case LINK_13GTFD:
  1480. vars->line_speed = SPEED_13000;
  1481. break;
  1482. case LINK_15GTFD:
  1483. vars->line_speed = SPEED_15000;
  1484. break;
  1485. case LINK_16GTFD:
  1486. vars->line_speed = SPEED_16000;
  1487. break;
  1488. default:
  1489. break;
  1490. }
  1491. vars->flow_ctrl = 0;
  1492. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1493. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1494. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1495. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1496. if (!vars->flow_ctrl)
  1497. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1498. if (vars->line_speed &&
  1499. ((vars->line_speed == SPEED_10) ||
  1500. (vars->line_speed == SPEED_100))) {
  1501. vars->phy_flags |= PHY_SGMII_FLAG;
  1502. } else {
  1503. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1504. }
  1505. /* anything 10 and over uses the bmac */
  1506. link_10g = ((vars->line_speed == SPEED_10000) ||
  1507. (vars->line_speed == SPEED_12000) ||
  1508. (vars->line_speed == SPEED_12500) ||
  1509. (vars->line_speed == SPEED_13000) ||
  1510. (vars->line_speed == SPEED_15000) ||
  1511. (vars->line_speed == SPEED_16000));
  1512. if (link_10g)
  1513. vars->mac_type = MAC_TYPE_BMAC;
  1514. else
  1515. vars->mac_type = MAC_TYPE_EMAC;
  1516. } else { /* link down */
  1517. DP(NETIF_MSG_LINK, "phy link down\n");
  1518. vars->phy_link_up = 0;
  1519. vars->line_speed = 0;
  1520. vars->duplex = DUPLEX_FULL;
  1521. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1522. /* indicate no mac active */
  1523. vars->mac_type = MAC_TYPE_NONE;
  1524. }
  1525. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
  1526. vars->link_status, vars->phy_link_up);
  1527. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1528. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1529. }
  1530. static void bnx2x_set_master_ln(struct link_params *params,
  1531. struct bnx2x_phy *phy)
  1532. {
  1533. struct bnx2x *bp = params->bp;
  1534. u16 new_master_ln, ser_lane;
  1535. ser_lane = ((params->lane_config &
  1536. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1537. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1538. /* set the master_ln for AN */
  1539. CL22_RD_OVER_CL45(bp, phy,
  1540. MDIO_REG_BANK_XGXS_BLOCK2,
  1541. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1542. &new_master_ln);
  1543. CL22_WR_OVER_CL45(bp, phy,
  1544. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1545. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1546. (new_master_ln | ser_lane));
  1547. }
  1548. static u8 bnx2x_reset_unicore(struct link_params *params,
  1549. struct bnx2x_phy *phy,
  1550. u8 set_serdes)
  1551. {
  1552. struct bnx2x *bp = params->bp;
  1553. u16 mii_control;
  1554. u16 i;
  1555. CL22_RD_OVER_CL45(bp, phy,
  1556. MDIO_REG_BANK_COMBO_IEEE0,
  1557. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1558. /* reset the unicore */
  1559. CL22_WR_OVER_CL45(bp, phy,
  1560. MDIO_REG_BANK_COMBO_IEEE0,
  1561. MDIO_COMBO_IEEE0_MII_CONTROL,
  1562. (mii_control |
  1563. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1564. if (set_serdes)
  1565. bnx2x_set_serdes_access(bp, params->port);
  1566. /* wait for the reset to self clear */
  1567. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1568. udelay(5);
  1569. /* the reset erased the previous bank value */
  1570. CL22_RD_OVER_CL45(bp, phy,
  1571. MDIO_REG_BANK_COMBO_IEEE0,
  1572. MDIO_COMBO_IEEE0_MII_CONTROL,
  1573. &mii_control);
  1574. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1575. udelay(5);
  1576. return 0;
  1577. }
  1578. }
  1579. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1580. " Port %d\n",
  1581. params->port);
  1582. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1583. return -EINVAL;
  1584. }
  1585. static void bnx2x_set_swap_lanes(struct link_params *params,
  1586. struct bnx2x_phy *phy)
  1587. {
  1588. struct bnx2x *bp = params->bp;
  1589. /*
  1590. * Each two bits represents a lane number:
  1591. * No swap is 0123 => 0x1b no need to enable the swap
  1592. */
  1593. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1594. ser_lane = ((params->lane_config &
  1595. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1596. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1597. rx_lane_swap = ((params->lane_config &
  1598. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1599. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1600. tx_lane_swap = ((params->lane_config &
  1601. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1602. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1603. if (rx_lane_swap != 0x1b) {
  1604. CL22_WR_OVER_CL45(bp, phy,
  1605. MDIO_REG_BANK_XGXS_BLOCK2,
  1606. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1607. (rx_lane_swap |
  1608. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1609. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1610. } else {
  1611. CL22_WR_OVER_CL45(bp, phy,
  1612. MDIO_REG_BANK_XGXS_BLOCK2,
  1613. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1614. }
  1615. if (tx_lane_swap != 0x1b) {
  1616. CL22_WR_OVER_CL45(bp, phy,
  1617. MDIO_REG_BANK_XGXS_BLOCK2,
  1618. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1619. (tx_lane_swap |
  1620. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1621. } else {
  1622. CL22_WR_OVER_CL45(bp, phy,
  1623. MDIO_REG_BANK_XGXS_BLOCK2,
  1624. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1625. }
  1626. }
  1627. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1628. struct link_params *params)
  1629. {
  1630. struct bnx2x *bp = params->bp;
  1631. u16 control2;
  1632. CL22_RD_OVER_CL45(bp, phy,
  1633. MDIO_REG_BANK_SERDES_DIGITAL,
  1634. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1635. &control2);
  1636. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1637. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1638. else
  1639. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1640. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1641. phy->speed_cap_mask, control2);
  1642. CL22_WR_OVER_CL45(bp, phy,
  1643. MDIO_REG_BANK_SERDES_DIGITAL,
  1644. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1645. control2);
  1646. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1647. (phy->speed_cap_mask &
  1648. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1649. DP(NETIF_MSG_LINK, "XGXS\n");
  1650. CL22_WR_OVER_CL45(bp, phy,
  1651. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1652. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1653. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1654. CL22_RD_OVER_CL45(bp, phy,
  1655. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1656. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1657. &control2);
  1658. control2 |=
  1659. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1660. CL22_WR_OVER_CL45(bp, phy,
  1661. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1662. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1663. control2);
  1664. /* Disable parallel detection of HiG */
  1665. CL22_WR_OVER_CL45(bp, phy,
  1666. MDIO_REG_BANK_XGXS_BLOCK2,
  1667. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1668. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1669. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1670. }
  1671. }
  1672. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1673. struct link_params *params,
  1674. struct link_vars *vars,
  1675. u8 enable_cl73)
  1676. {
  1677. struct bnx2x *bp = params->bp;
  1678. u16 reg_val;
  1679. /* CL37 Autoneg */
  1680. CL22_RD_OVER_CL45(bp, phy,
  1681. MDIO_REG_BANK_COMBO_IEEE0,
  1682. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1683. /* CL37 Autoneg Enabled */
  1684. if (vars->line_speed == SPEED_AUTO_NEG)
  1685. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1686. else /* CL37 Autoneg Disabled */
  1687. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1688. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1689. CL22_WR_OVER_CL45(bp, phy,
  1690. MDIO_REG_BANK_COMBO_IEEE0,
  1691. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1692. /* Enable/Disable Autodetection */
  1693. CL22_RD_OVER_CL45(bp, phy,
  1694. MDIO_REG_BANK_SERDES_DIGITAL,
  1695. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1696. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1697. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1698. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1699. if (vars->line_speed == SPEED_AUTO_NEG)
  1700. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1701. else
  1702. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1703. CL22_WR_OVER_CL45(bp, phy,
  1704. MDIO_REG_BANK_SERDES_DIGITAL,
  1705. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1706. /* Enable TetonII and BAM autoneg */
  1707. CL22_RD_OVER_CL45(bp, phy,
  1708. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1709. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1710. &reg_val);
  1711. if (vars->line_speed == SPEED_AUTO_NEG) {
  1712. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1713. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1714. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1715. } else {
  1716. /* TetonII and BAM Autoneg Disabled */
  1717. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1718. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1719. }
  1720. CL22_WR_OVER_CL45(bp, phy,
  1721. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1722. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1723. reg_val);
  1724. if (enable_cl73) {
  1725. /* Enable Cl73 FSM status bits */
  1726. CL22_WR_OVER_CL45(bp, phy,
  1727. MDIO_REG_BANK_CL73_USERB0,
  1728. MDIO_CL73_USERB0_CL73_UCTRL,
  1729. 0xe);
  1730. /* Enable BAM Station Manager*/
  1731. CL22_WR_OVER_CL45(bp, phy,
  1732. MDIO_REG_BANK_CL73_USERB0,
  1733. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1734. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1735. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1736. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1737. /* Advertise CL73 link speeds */
  1738. CL22_RD_OVER_CL45(bp, phy,
  1739. MDIO_REG_BANK_CL73_IEEEB1,
  1740. MDIO_CL73_IEEEB1_AN_ADV2,
  1741. &reg_val);
  1742. if (phy->speed_cap_mask &
  1743. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1744. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1745. if (phy->speed_cap_mask &
  1746. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1747. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1748. CL22_WR_OVER_CL45(bp, phy,
  1749. MDIO_REG_BANK_CL73_IEEEB1,
  1750. MDIO_CL73_IEEEB1_AN_ADV2,
  1751. reg_val);
  1752. /* CL73 Autoneg Enabled */
  1753. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1754. } else /* CL73 Autoneg Disabled */
  1755. reg_val = 0;
  1756. CL22_WR_OVER_CL45(bp, phy,
  1757. MDIO_REG_BANK_CL73_IEEEB0,
  1758. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1759. }
  1760. /* program SerDes, forced speed */
  1761. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1762. struct link_params *params,
  1763. struct link_vars *vars)
  1764. {
  1765. struct bnx2x *bp = params->bp;
  1766. u16 reg_val;
  1767. /* program duplex, disable autoneg and sgmii*/
  1768. CL22_RD_OVER_CL45(bp, phy,
  1769. MDIO_REG_BANK_COMBO_IEEE0,
  1770. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1771. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1772. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1773. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1774. if (phy->req_duplex == DUPLEX_FULL)
  1775. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1776. CL22_WR_OVER_CL45(bp, phy,
  1777. MDIO_REG_BANK_COMBO_IEEE0,
  1778. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1779. /*
  1780. * program speed
  1781. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1782. */
  1783. CL22_RD_OVER_CL45(bp, phy,
  1784. MDIO_REG_BANK_SERDES_DIGITAL,
  1785. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1786. /* clearing the speed value before setting the right speed */
  1787. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1788. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1789. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1790. if (!((vars->line_speed == SPEED_1000) ||
  1791. (vars->line_speed == SPEED_100) ||
  1792. (vars->line_speed == SPEED_10))) {
  1793. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1794. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1795. if (vars->line_speed == SPEED_10000)
  1796. reg_val |=
  1797. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1798. if (vars->line_speed == SPEED_13000)
  1799. reg_val |=
  1800. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1801. }
  1802. CL22_WR_OVER_CL45(bp, phy,
  1803. MDIO_REG_BANK_SERDES_DIGITAL,
  1804. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1805. }
  1806. static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
  1807. struct link_params *params)
  1808. {
  1809. struct bnx2x *bp = params->bp;
  1810. u16 val = 0;
  1811. /* configure the 48 bits for BAM AN */
  1812. /* set extended capabilities */
  1813. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1814. val |= MDIO_OVER_1G_UP1_2_5G;
  1815. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1816. val |= MDIO_OVER_1G_UP1_10G;
  1817. CL22_WR_OVER_CL45(bp, phy,
  1818. MDIO_REG_BANK_OVER_1G,
  1819. MDIO_OVER_1G_UP1, val);
  1820. CL22_WR_OVER_CL45(bp, phy,
  1821. MDIO_REG_BANK_OVER_1G,
  1822. MDIO_OVER_1G_UP3, 0x400);
  1823. }
  1824. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1825. struct link_params *params, u16 *ieee_fc)
  1826. {
  1827. struct bnx2x *bp = params->bp;
  1828. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1829. /*
  1830. * Resolve pause mode and advertisement.
  1831. * Please refer to Table 28B-3 of the 802.3ab-1999 spec
  1832. */
  1833. switch (phy->req_flow_ctrl) {
  1834. case BNX2X_FLOW_CTRL_AUTO:
  1835. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1836. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1837. else
  1838. *ieee_fc |=
  1839. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1840. break;
  1841. case BNX2X_FLOW_CTRL_TX:
  1842. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1843. break;
  1844. case BNX2X_FLOW_CTRL_RX:
  1845. case BNX2X_FLOW_CTRL_BOTH:
  1846. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1847. break;
  1848. case BNX2X_FLOW_CTRL_NONE:
  1849. default:
  1850. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1851. break;
  1852. }
  1853. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1854. }
  1855. static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
  1856. struct link_params *params,
  1857. u16 ieee_fc)
  1858. {
  1859. struct bnx2x *bp = params->bp;
  1860. u16 val;
  1861. /* for AN, we are always publishing full duplex */
  1862. CL22_WR_OVER_CL45(bp, phy,
  1863. MDIO_REG_BANK_COMBO_IEEE0,
  1864. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1865. CL22_RD_OVER_CL45(bp, phy,
  1866. MDIO_REG_BANK_CL73_IEEEB1,
  1867. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1868. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1869. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1870. CL22_WR_OVER_CL45(bp, phy,
  1871. MDIO_REG_BANK_CL73_IEEEB1,
  1872. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1873. }
  1874. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1875. struct link_params *params,
  1876. u8 enable_cl73)
  1877. {
  1878. struct bnx2x *bp = params->bp;
  1879. u16 mii_control;
  1880. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1881. /* Enable and restart BAM/CL37 aneg */
  1882. if (enable_cl73) {
  1883. CL22_RD_OVER_CL45(bp, phy,
  1884. MDIO_REG_BANK_CL73_IEEEB0,
  1885. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1886. &mii_control);
  1887. CL22_WR_OVER_CL45(bp, phy,
  1888. MDIO_REG_BANK_CL73_IEEEB0,
  1889. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1890. (mii_control |
  1891. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1892. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1893. } else {
  1894. CL22_RD_OVER_CL45(bp, phy,
  1895. MDIO_REG_BANK_COMBO_IEEE0,
  1896. MDIO_COMBO_IEEE0_MII_CONTROL,
  1897. &mii_control);
  1898. DP(NETIF_MSG_LINK,
  1899. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1900. mii_control);
  1901. CL22_WR_OVER_CL45(bp, phy,
  1902. MDIO_REG_BANK_COMBO_IEEE0,
  1903. MDIO_COMBO_IEEE0_MII_CONTROL,
  1904. (mii_control |
  1905. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1906. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  1907. }
  1908. }
  1909. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  1910. struct link_params *params,
  1911. struct link_vars *vars)
  1912. {
  1913. struct bnx2x *bp = params->bp;
  1914. u16 control1;
  1915. /* in SGMII mode, the unicore is always slave */
  1916. CL22_RD_OVER_CL45(bp, phy,
  1917. MDIO_REG_BANK_SERDES_DIGITAL,
  1918. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1919. &control1);
  1920. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  1921. /* set sgmii mode (and not fiber) */
  1922. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  1923. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  1924. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  1925. CL22_WR_OVER_CL45(bp, phy,
  1926. MDIO_REG_BANK_SERDES_DIGITAL,
  1927. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1928. control1);
  1929. /* if forced speed */
  1930. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  1931. /* set speed, disable autoneg */
  1932. u16 mii_control;
  1933. CL22_RD_OVER_CL45(bp, phy,
  1934. MDIO_REG_BANK_COMBO_IEEE0,
  1935. MDIO_COMBO_IEEE0_MII_CONTROL,
  1936. &mii_control);
  1937. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1938. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  1939. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  1940. switch (vars->line_speed) {
  1941. case SPEED_100:
  1942. mii_control |=
  1943. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  1944. break;
  1945. case SPEED_1000:
  1946. mii_control |=
  1947. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  1948. break;
  1949. case SPEED_10:
  1950. /* there is nothing to set for 10M */
  1951. break;
  1952. default:
  1953. /* invalid speed for SGMII */
  1954. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1955. vars->line_speed);
  1956. break;
  1957. }
  1958. /* setting the full duplex */
  1959. if (phy->req_duplex == DUPLEX_FULL)
  1960. mii_control |=
  1961. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1962. CL22_WR_OVER_CL45(bp, phy,
  1963. MDIO_REG_BANK_COMBO_IEEE0,
  1964. MDIO_COMBO_IEEE0_MII_CONTROL,
  1965. mii_control);
  1966. } else { /* AN mode */
  1967. /* enable and restart AN */
  1968. bnx2x_restart_autoneg(phy, params, 0);
  1969. }
  1970. }
  1971. /*
  1972. * link management
  1973. */
  1974. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1975. { /* LD LP */
  1976. switch (pause_result) { /* ASYM P ASYM P */
  1977. case 0xb: /* 1 0 1 1 */
  1978. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1979. break;
  1980. case 0xe: /* 1 1 1 0 */
  1981. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1982. break;
  1983. case 0x5: /* 0 1 0 1 */
  1984. case 0x7: /* 0 1 1 1 */
  1985. case 0xd: /* 1 1 0 1 */
  1986. case 0xf: /* 1 1 1 1 */
  1987. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1988. break;
  1989. default:
  1990. break;
  1991. }
  1992. if (pause_result & (1<<0))
  1993. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1994. if (pause_result & (1<<1))
  1995. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1996. }
  1997. static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  1998. struct link_params *params)
  1999. {
  2000. struct bnx2x *bp = params->bp;
  2001. u16 pd_10g, status2_1000x;
  2002. if (phy->req_line_speed != SPEED_AUTO_NEG)
  2003. return 0;
  2004. CL22_RD_OVER_CL45(bp, phy,
  2005. MDIO_REG_BANK_SERDES_DIGITAL,
  2006. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2007. &status2_1000x);
  2008. CL22_RD_OVER_CL45(bp, phy,
  2009. MDIO_REG_BANK_SERDES_DIGITAL,
  2010. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2011. &status2_1000x);
  2012. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  2013. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2014. params->port);
  2015. return 1;
  2016. }
  2017. CL22_RD_OVER_CL45(bp, phy,
  2018. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2019. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2020. &pd_10g);
  2021. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2022. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2023. params->port);
  2024. return 1;
  2025. }
  2026. return 0;
  2027. }
  2028. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2029. struct link_params *params,
  2030. struct link_vars *vars,
  2031. u32 gp_status)
  2032. {
  2033. struct bnx2x *bp = params->bp;
  2034. u16 ld_pause; /* local driver */
  2035. u16 lp_pause; /* link partner */
  2036. u16 pause_result;
  2037. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2038. /* resolve from gp_status in case of AN complete and not sgmii */
  2039. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2040. vars->flow_ctrl = phy->req_flow_ctrl;
  2041. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2042. vars->flow_ctrl = params->req_fc_auto_adv;
  2043. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2044. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2045. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2046. vars->flow_ctrl = params->req_fc_auto_adv;
  2047. return;
  2048. }
  2049. if ((gp_status &
  2050. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2051. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2052. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2053. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2054. CL22_RD_OVER_CL45(bp, phy,
  2055. MDIO_REG_BANK_CL73_IEEEB1,
  2056. MDIO_CL73_IEEEB1_AN_ADV1,
  2057. &ld_pause);
  2058. CL22_RD_OVER_CL45(bp, phy,
  2059. MDIO_REG_BANK_CL73_IEEEB1,
  2060. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2061. &lp_pause);
  2062. pause_result = (ld_pause &
  2063. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2064. >> 8;
  2065. pause_result |= (lp_pause &
  2066. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2067. >> 10;
  2068. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2069. pause_result);
  2070. } else {
  2071. CL22_RD_OVER_CL45(bp, phy,
  2072. MDIO_REG_BANK_COMBO_IEEE0,
  2073. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2074. &ld_pause);
  2075. CL22_RD_OVER_CL45(bp, phy,
  2076. MDIO_REG_BANK_COMBO_IEEE0,
  2077. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2078. &lp_pause);
  2079. pause_result = (ld_pause &
  2080. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2081. pause_result |= (lp_pause &
  2082. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2083. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2084. pause_result);
  2085. }
  2086. bnx2x_pause_resolve(vars, pause_result);
  2087. }
  2088. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2089. }
  2090. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2091. struct link_params *params)
  2092. {
  2093. struct bnx2x *bp = params->bp;
  2094. u16 rx_status, ustat_val, cl37_fsm_recieved;
  2095. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2096. /* Step 1: Make sure signal is detected */
  2097. CL22_RD_OVER_CL45(bp, phy,
  2098. MDIO_REG_BANK_RX0,
  2099. MDIO_RX0_RX_STATUS,
  2100. &rx_status);
  2101. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2102. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2103. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2104. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2105. CL22_WR_OVER_CL45(bp, phy,
  2106. MDIO_REG_BANK_CL73_IEEEB0,
  2107. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2108. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2109. return;
  2110. }
  2111. /* Step 2: Check CL73 state machine */
  2112. CL22_RD_OVER_CL45(bp, phy,
  2113. MDIO_REG_BANK_CL73_USERB0,
  2114. MDIO_CL73_USERB0_CL73_USTAT1,
  2115. &ustat_val);
  2116. if ((ustat_val &
  2117. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2118. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2119. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2120. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2121. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2122. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2123. return;
  2124. }
  2125. /*
  2126. * Step 3: Check CL37 Message Pages received to indicate LP
  2127. * supports only CL37
  2128. */
  2129. CL22_RD_OVER_CL45(bp, phy,
  2130. MDIO_REG_BANK_REMOTE_PHY,
  2131. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2132. &cl37_fsm_recieved);
  2133. if ((cl37_fsm_recieved &
  2134. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2135. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2136. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2137. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2138. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2139. "misc_rx_status(0x8330) = 0x%x\n",
  2140. cl37_fsm_recieved);
  2141. return;
  2142. }
  2143. /*
  2144. * The combined cl37/cl73 fsm state information indicating that
  2145. * we are connected to a device which does not support cl73, but
  2146. * does support cl37 BAM. In this case we disable cl73 and
  2147. * restart cl37 auto-neg
  2148. */
  2149. /* Disable CL73 */
  2150. CL22_WR_OVER_CL45(bp, phy,
  2151. MDIO_REG_BANK_CL73_IEEEB0,
  2152. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2153. 0);
  2154. /* Restart CL37 autoneg */
  2155. bnx2x_restart_autoneg(phy, params, 0);
  2156. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2157. }
  2158. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2159. struct link_params *params,
  2160. struct link_vars *vars,
  2161. u32 gp_status)
  2162. {
  2163. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2164. vars->link_status |=
  2165. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2166. if (bnx2x_direct_parallel_detect_used(phy, params))
  2167. vars->link_status |=
  2168. LINK_STATUS_PARALLEL_DETECTION_USED;
  2169. }
  2170. static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2171. struct link_params *params,
  2172. struct link_vars *vars)
  2173. {
  2174. struct bnx2x *bp = params->bp;
  2175. u16 new_line_speed, gp_status;
  2176. u8 rc = 0;
  2177. /* Read gp_status */
  2178. CL22_RD_OVER_CL45(bp, phy,
  2179. MDIO_REG_BANK_GP_STATUS,
  2180. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2181. &gp_status);
  2182. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2183. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2184. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2185. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2186. gp_status);
  2187. vars->phy_link_up = 1;
  2188. vars->link_status |= LINK_STATUS_LINK_UP;
  2189. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2190. vars->duplex = DUPLEX_FULL;
  2191. else
  2192. vars->duplex = DUPLEX_HALF;
  2193. if (SINGLE_MEDIA_DIRECT(params)) {
  2194. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2195. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2196. bnx2x_xgxs_an_resolve(phy, params, vars,
  2197. gp_status);
  2198. }
  2199. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2200. case GP_STATUS_10M:
  2201. new_line_speed = SPEED_10;
  2202. if (vars->duplex == DUPLEX_FULL)
  2203. vars->link_status |= LINK_10TFD;
  2204. else
  2205. vars->link_status |= LINK_10THD;
  2206. break;
  2207. case GP_STATUS_100M:
  2208. new_line_speed = SPEED_100;
  2209. if (vars->duplex == DUPLEX_FULL)
  2210. vars->link_status |= LINK_100TXFD;
  2211. else
  2212. vars->link_status |= LINK_100TXHD;
  2213. break;
  2214. case GP_STATUS_1G:
  2215. case GP_STATUS_1G_KX:
  2216. new_line_speed = SPEED_1000;
  2217. if (vars->duplex == DUPLEX_FULL)
  2218. vars->link_status |= LINK_1000TFD;
  2219. else
  2220. vars->link_status |= LINK_1000THD;
  2221. break;
  2222. case GP_STATUS_2_5G:
  2223. new_line_speed = SPEED_2500;
  2224. if (vars->duplex == DUPLEX_FULL)
  2225. vars->link_status |= LINK_2500TFD;
  2226. else
  2227. vars->link_status |= LINK_2500THD;
  2228. break;
  2229. case GP_STATUS_5G:
  2230. case GP_STATUS_6G:
  2231. DP(NETIF_MSG_LINK,
  2232. "link speed unsupported gp_status 0x%x\n",
  2233. gp_status);
  2234. return -EINVAL;
  2235. case GP_STATUS_10G_KX4:
  2236. case GP_STATUS_10G_HIG:
  2237. case GP_STATUS_10G_CX4:
  2238. new_line_speed = SPEED_10000;
  2239. vars->link_status |= LINK_10GTFD;
  2240. break;
  2241. case GP_STATUS_12G_HIG:
  2242. new_line_speed = SPEED_12000;
  2243. vars->link_status |= LINK_12GTFD;
  2244. break;
  2245. case GP_STATUS_12_5G:
  2246. new_line_speed = SPEED_12500;
  2247. vars->link_status |= LINK_12_5GTFD;
  2248. break;
  2249. case GP_STATUS_13G:
  2250. new_line_speed = SPEED_13000;
  2251. vars->link_status |= LINK_13GTFD;
  2252. break;
  2253. case GP_STATUS_15G:
  2254. new_line_speed = SPEED_15000;
  2255. vars->link_status |= LINK_15GTFD;
  2256. break;
  2257. case GP_STATUS_16G:
  2258. new_line_speed = SPEED_16000;
  2259. vars->link_status |= LINK_16GTFD;
  2260. break;
  2261. default:
  2262. DP(NETIF_MSG_LINK,
  2263. "link speed unsupported gp_status 0x%x\n",
  2264. gp_status);
  2265. return -EINVAL;
  2266. }
  2267. vars->line_speed = new_line_speed;
  2268. } else { /* link_down */
  2269. DP(NETIF_MSG_LINK, "phy link down\n");
  2270. vars->phy_link_up = 0;
  2271. vars->duplex = DUPLEX_FULL;
  2272. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2273. vars->mac_type = MAC_TYPE_NONE;
  2274. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2275. SINGLE_MEDIA_DIRECT(params)) {
  2276. /* Check signal is detected */
  2277. bnx2x_check_fallback_to_cl37(phy, params);
  2278. }
  2279. }
  2280. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2281. gp_status, vars->phy_link_up, vars->line_speed);
  2282. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2283. vars->duplex, vars->flow_ctrl, vars->link_status);
  2284. return rc;
  2285. }
  2286. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2287. {
  2288. struct bnx2x *bp = params->bp;
  2289. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2290. u16 lp_up2;
  2291. u16 tx_driver;
  2292. u16 bank;
  2293. /* read precomp */
  2294. CL22_RD_OVER_CL45(bp, phy,
  2295. MDIO_REG_BANK_OVER_1G,
  2296. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2297. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2298. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2299. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2300. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2301. if (lp_up2 == 0)
  2302. return;
  2303. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2304. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2305. CL22_RD_OVER_CL45(bp, phy,
  2306. bank,
  2307. MDIO_TX0_TX_DRIVER, &tx_driver);
  2308. /* replace tx_driver bits [15:12] */
  2309. if (lp_up2 !=
  2310. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2311. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2312. tx_driver |= lp_up2;
  2313. CL22_WR_OVER_CL45(bp, phy,
  2314. bank,
  2315. MDIO_TX0_TX_DRIVER, tx_driver);
  2316. }
  2317. }
  2318. }
  2319. static u8 bnx2x_emac_program(struct link_params *params,
  2320. struct link_vars *vars)
  2321. {
  2322. struct bnx2x *bp = params->bp;
  2323. u8 port = params->port;
  2324. u16 mode = 0;
  2325. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2326. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2327. EMAC_REG_EMAC_MODE,
  2328. (EMAC_MODE_25G_MODE |
  2329. EMAC_MODE_PORT_MII_10M |
  2330. EMAC_MODE_HALF_DUPLEX));
  2331. switch (vars->line_speed) {
  2332. case SPEED_10:
  2333. mode |= EMAC_MODE_PORT_MII_10M;
  2334. break;
  2335. case SPEED_100:
  2336. mode |= EMAC_MODE_PORT_MII;
  2337. break;
  2338. case SPEED_1000:
  2339. mode |= EMAC_MODE_PORT_GMII;
  2340. break;
  2341. case SPEED_2500:
  2342. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2343. break;
  2344. default:
  2345. /* 10G not valid for EMAC */
  2346. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2347. vars->line_speed);
  2348. return -EINVAL;
  2349. }
  2350. if (vars->duplex == DUPLEX_HALF)
  2351. mode |= EMAC_MODE_HALF_DUPLEX;
  2352. bnx2x_bits_en(bp,
  2353. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2354. mode);
  2355. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2356. return 0;
  2357. }
  2358. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2359. struct link_params *params)
  2360. {
  2361. u16 bank, i = 0;
  2362. struct bnx2x *bp = params->bp;
  2363. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2364. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2365. CL22_WR_OVER_CL45(bp, phy,
  2366. bank,
  2367. MDIO_RX0_RX_EQ_BOOST,
  2368. phy->rx_preemphasis[i]);
  2369. }
  2370. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2371. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2372. CL22_WR_OVER_CL45(bp, phy,
  2373. bank,
  2374. MDIO_TX0_TX_DRIVER,
  2375. phy->tx_preemphasis[i]);
  2376. }
  2377. }
  2378. static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
  2379. struct link_params *params,
  2380. struct link_vars *vars)
  2381. {
  2382. struct bnx2x *bp = params->bp;
  2383. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2384. (params->loopback_mode == LOOPBACK_XGXS));
  2385. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2386. if (SINGLE_MEDIA_DIRECT(params) &&
  2387. (params->feature_config_flags &
  2388. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2389. bnx2x_set_preemphasis(phy, params);
  2390. /* forced speed requested? */
  2391. if (vars->line_speed != SPEED_AUTO_NEG ||
  2392. (SINGLE_MEDIA_DIRECT(params) &&
  2393. params->loopback_mode == LOOPBACK_EXT)) {
  2394. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2395. /* disable autoneg */
  2396. bnx2x_set_autoneg(phy, params, vars, 0);
  2397. /* program speed and duplex */
  2398. bnx2x_program_serdes(phy, params, vars);
  2399. } else { /* AN_mode */
  2400. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2401. /* AN enabled */
  2402. bnx2x_set_brcm_cl37_advertisment(phy, params);
  2403. /* program duplex & pause advertisement (for aneg) */
  2404. bnx2x_set_ieee_aneg_advertisment(phy, params,
  2405. vars->ieee_fc);
  2406. /* enable autoneg */
  2407. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2408. /* enable and restart AN */
  2409. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2410. }
  2411. } else { /* SGMII mode */
  2412. DP(NETIF_MSG_LINK, "SGMII\n");
  2413. bnx2x_initialize_sgmii_process(phy, params, vars);
  2414. }
  2415. }
  2416. static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
  2417. struct link_params *params,
  2418. struct link_vars *vars)
  2419. {
  2420. u8 rc;
  2421. vars->phy_flags |= PHY_SGMII_FLAG;
  2422. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2423. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2424. rc = bnx2x_reset_unicore(params, phy, 1);
  2425. /* reset the SerDes and wait for reset bit return low */
  2426. if (rc != 0)
  2427. return rc;
  2428. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2429. return rc;
  2430. }
  2431. static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
  2432. struct link_params *params,
  2433. struct link_vars *vars)
  2434. {
  2435. u8 rc;
  2436. vars->phy_flags = PHY_XGXS_FLAG;
  2437. if ((phy->req_line_speed &&
  2438. ((phy->req_line_speed == SPEED_100) ||
  2439. (phy->req_line_speed == SPEED_10))) ||
  2440. (!phy->req_line_speed &&
  2441. (phy->speed_cap_mask >=
  2442. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2443. (phy->speed_cap_mask <
  2444. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  2445. ))
  2446. vars->phy_flags |= PHY_SGMII_FLAG;
  2447. else
  2448. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2449. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2450. bnx2x_set_aer_mmd_xgxs(params, phy);
  2451. bnx2x_set_master_ln(params, phy);
  2452. rc = bnx2x_reset_unicore(params, phy, 0);
  2453. /* reset the SerDes and wait for reset bit return low */
  2454. if (rc != 0)
  2455. return rc;
  2456. bnx2x_set_aer_mmd_xgxs(params, phy);
  2457. /* setting the masterLn_def again after the reset */
  2458. bnx2x_set_master_ln(params, phy);
  2459. bnx2x_set_swap_lanes(params, phy);
  2460. return rc;
  2461. }
  2462. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2463. struct bnx2x_phy *phy,
  2464. struct link_params *params)
  2465. {
  2466. u16 cnt, ctrl;
  2467. /* Wait for soft reset to get cleared upto 1 sec */
  2468. for (cnt = 0; cnt < 1000; cnt++) {
  2469. bnx2x_cl45_read(bp, phy,
  2470. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2471. if (!(ctrl & (1<<15)))
  2472. break;
  2473. msleep(1);
  2474. }
  2475. if (cnt == 1000)
  2476. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2477. " Port %d\n",
  2478. params->port);
  2479. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2480. return cnt;
  2481. }
  2482. static void bnx2x_link_int_enable(struct link_params *params)
  2483. {
  2484. u8 port = params->port;
  2485. u32 mask;
  2486. struct bnx2x *bp = params->bp;
  2487. /* Setting the status to report on link up for either XGXS or SerDes */
  2488. if (params->switch_cfg == SWITCH_CFG_10G) {
  2489. mask = (NIG_MASK_XGXS0_LINK10G |
  2490. NIG_MASK_XGXS0_LINK_STATUS);
  2491. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2492. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2493. params->phy[INT_PHY].type !=
  2494. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2495. mask |= NIG_MASK_MI_INT;
  2496. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2497. }
  2498. } else { /* SerDes */
  2499. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2500. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2501. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2502. params->phy[INT_PHY].type !=
  2503. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2504. mask |= NIG_MASK_MI_INT;
  2505. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2506. }
  2507. }
  2508. bnx2x_bits_en(bp,
  2509. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2510. mask);
  2511. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2512. (params->switch_cfg == SWITCH_CFG_10G),
  2513. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2514. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2515. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2516. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2517. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2518. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2519. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2520. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2521. }
  2522. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2523. u8 exp_mi_int)
  2524. {
  2525. u32 latch_status = 0;
  2526. /*
  2527. * Disable the MI INT ( external phy int ) by writing 1 to the
  2528. * status register. Link down indication is high-active-signal,
  2529. * so in this case we need to write the status to clear the XOR
  2530. */
  2531. /* Read Latched signals */
  2532. latch_status = REG_RD(bp,
  2533. NIG_REG_LATCH_STATUS_0 + port*8);
  2534. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2535. /* Handle only those with latched-signal=up.*/
  2536. if (exp_mi_int)
  2537. bnx2x_bits_en(bp,
  2538. NIG_REG_STATUS_INTERRUPT_PORT0
  2539. + port*4,
  2540. NIG_STATUS_EMAC0_MI_INT);
  2541. else
  2542. bnx2x_bits_dis(bp,
  2543. NIG_REG_STATUS_INTERRUPT_PORT0
  2544. + port*4,
  2545. NIG_STATUS_EMAC0_MI_INT);
  2546. if (latch_status & 1) {
  2547. /* For all latched-signal=up : Re-Arm Latch signals */
  2548. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2549. (latch_status & 0xfffe) | (latch_status & 1));
  2550. }
  2551. /* For all latched-signal=up,Write original_signal to status */
  2552. }
  2553. static void bnx2x_link_int_ack(struct link_params *params,
  2554. struct link_vars *vars, u8 is_10g)
  2555. {
  2556. struct bnx2x *bp = params->bp;
  2557. u8 port = params->port;
  2558. /*
  2559. * First reset all status we assume only one line will be
  2560. * change at a time
  2561. */
  2562. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2563. (NIG_STATUS_XGXS0_LINK10G |
  2564. NIG_STATUS_XGXS0_LINK_STATUS |
  2565. NIG_STATUS_SERDES0_LINK_STATUS));
  2566. if (vars->phy_link_up) {
  2567. if (is_10g) {
  2568. /*
  2569. * Disable the 10G link interrupt by writing 1 to the
  2570. * status register
  2571. */
  2572. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2573. bnx2x_bits_en(bp,
  2574. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2575. NIG_STATUS_XGXS0_LINK10G);
  2576. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2577. /*
  2578. * Disable the link interrupt by writing 1 to the
  2579. * relevant lane in the status register
  2580. */
  2581. u32 ser_lane = ((params->lane_config &
  2582. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2583. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2584. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2585. vars->line_speed);
  2586. bnx2x_bits_en(bp,
  2587. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2588. ((1 << ser_lane) <<
  2589. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2590. } else { /* SerDes */
  2591. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2592. /*
  2593. * Disable the link interrupt by writing 1 to the status
  2594. * register
  2595. */
  2596. bnx2x_bits_en(bp,
  2597. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2598. NIG_STATUS_SERDES0_LINK_STATUS);
  2599. }
  2600. }
  2601. }
  2602. static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2603. {
  2604. u8 *str_ptr = str;
  2605. u32 mask = 0xf0000000;
  2606. u8 shift = 8*4;
  2607. u8 digit;
  2608. u8 remove_leading_zeros = 1;
  2609. if (*len < 10) {
  2610. /* Need more than 10chars for this format */
  2611. *str_ptr = '\0';
  2612. (*len)--;
  2613. return -EINVAL;
  2614. }
  2615. while (shift > 0) {
  2616. shift -= 4;
  2617. digit = ((num & mask) >> shift);
  2618. if (digit == 0 && remove_leading_zeros) {
  2619. mask = mask >> 4;
  2620. continue;
  2621. } else if (digit < 0xa)
  2622. *str_ptr = digit + '0';
  2623. else
  2624. *str_ptr = digit - 0xa + 'a';
  2625. remove_leading_zeros = 0;
  2626. str_ptr++;
  2627. (*len)--;
  2628. mask = mask >> 4;
  2629. if (shift == 4*4) {
  2630. *str_ptr = '.';
  2631. str_ptr++;
  2632. (*len)--;
  2633. remove_leading_zeros = 1;
  2634. }
  2635. }
  2636. return 0;
  2637. }
  2638. static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2639. {
  2640. str[0] = '\0';
  2641. (*len)--;
  2642. return 0;
  2643. }
  2644. u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2645. u8 *version, u16 len)
  2646. {
  2647. struct bnx2x *bp;
  2648. u32 spirom_ver = 0;
  2649. u8 status = 0;
  2650. u8 *ver_p = version;
  2651. u16 remain_len = len;
  2652. if (version == NULL || params == NULL)
  2653. return -EINVAL;
  2654. bp = params->bp;
  2655. /* Extract first external phy*/
  2656. version[0] = '\0';
  2657. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2658. if (params->phy[EXT_PHY1].format_fw_ver) {
  2659. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2660. ver_p,
  2661. &remain_len);
  2662. ver_p += (len - remain_len);
  2663. }
  2664. if ((params->num_phys == MAX_PHYS) &&
  2665. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2666. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2667. if (params->phy[EXT_PHY2].format_fw_ver) {
  2668. *ver_p = '/';
  2669. ver_p++;
  2670. remain_len--;
  2671. status |= params->phy[EXT_PHY2].format_fw_ver(
  2672. spirom_ver,
  2673. ver_p,
  2674. &remain_len);
  2675. ver_p = version + (len - remain_len);
  2676. }
  2677. }
  2678. *ver_p = '\0';
  2679. return status;
  2680. }
  2681. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2682. struct link_params *params)
  2683. {
  2684. u8 port = params->port;
  2685. struct bnx2x *bp = params->bp;
  2686. if (phy->req_line_speed != SPEED_1000) {
  2687. u32 md_devad;
  2688. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2689. /* change the uni_phy_addr in the nig */
  2690. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2691. port*0x18));
  2692. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2693. bnx2x_cl45_write(bp, phy,
  2694. 5,
  2695. (MDIO_REG_BANK_AER_BLOCK +
  2696. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2697. 0x2800);
  2698. bnx2x_cl45_write(bp, phy,
  2699. 5,
  2700. (MDIO_REG_BANK_CL73_IEEEB0 +
  2701. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2702. 0x6041);
  2703. msleep(200);
  2704. /* set aer mmd back */
  2705. bnx2x_set_aer_mmd_xgxs(params, phy);
  2706. /* and md_devad */
  2707. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2708. } else {
  2709. u16 mii_ctrl;
  2710. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2711. bnx2x_cl45_read(bp, phy, 5,
  2712. (MDIO_REG_BANK_COMBO_IEEE0 +
  2713. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2714. &mii_ctrl);
  2715. bnx2x_cl45_write(bp, phy, 5,
  2716. (MDIO_REG_BANK_COMBO_IEEE0 +
  2717. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2718. mii_ctrl |
  2719. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2720. }
  2721. }
  2722. u8 bnx2x_set_led(struct link_params *params,
  2723. struct link_vars *vars, u8 mode, u32 speed)
  2724. {
  2725. u8 port = params->port;
  2726. u16 hw_led_mode = params->hw_led_mode;
  2727. u8 rc = 0, phy_idx;
  2728. u32 tmp;
  2729. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2730. struct bnx2x *bp = params->bp;
  2731. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2732. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2733. speed, hw_led_mode);
  2734. /* In case */
  2735. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2736. if (params->phy[phy_idx].set_link_led) {
  2737. params->phy[phy_idx].set_link_led(
  2738. &params->phy[phy_idx], params, mode);
  2739. }
  2740. }
  2741. switch (mode) {
  2742. case LED_MODE_FRONT_PANEL_OFF:
  2743. case LED_MODE_OFF:
  2744. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2745. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2746. SHARED_HW_CFG_LED_MAC1);
  2747. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2748. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2749. break;
  2750. case LED_MODE_OPER:
  2751. /*
  2752. * For all other phys, OPER mode is same as ON, so in case
  2753. * link is down, do nothing
  2754. */
  2755. if (!vars->link_up)
  2756. break;
  2757. case LED_MODE_ON:
  2758. if (params->phy[EXT_PHY1].type ==
  2759. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
  2760. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2761. /*
  2762. * This is a work-around for E2+8727 Configurations
  2763. */
  2764. if (mode == LED_MODE_ON ||
  2765. speed == SPEED_10000){
  2766. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2767. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2768. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2769. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2770. (tmp | EMAC_LED_OVERRIDE));
  2771. return rc;
  2772. }
  2773. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2774. /*
  2775. * This is a work-around for HW issue found when link
  2776. * is up in CL73
  2777. */
  2778. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2779. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2780. } else {
  2781. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2782. }
  2783. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2784. /* Set blinking rate to ~15.9Hz */
  2785. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2786. LED_BLINK_RATE_VAL);
  2787. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2788. port*4, 1);
  2789. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2790. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2791. if (CHIP_IS_E1(bp) &&
  2792. ((speed == SPEED_2500) ||
  2793. (speed == SPEED_1000) ||
  2794. (speed == SPEED_100) ||
  2795. (speed == SPEED_10))) {
  2796. /*
  2797. * On Everest 1 Ax chip versions for speeds less than
  2798. * 10G LED scheme is different
  2799. */
  2800. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2801. + port*4, 1);
  2802. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2803. port*4, 0);
  2804. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2805. port*4, 1);
  2806. }
  2807. break;
  2808. default:
  2809. rc = -EINVAL;
  2810. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2811. mode);
  2812. break;
  2813. }
  2814. return rc;
  2815. }
  2816. /*
  2817. * This function comes to reflect the actual link state read DIRECTLY from the
  2818. * HW
  2819. */
  2820. u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2821. u8 is_serdes)
  2822. {
  2823. struct bnx2x *bp = params->bp;
  2824. u16 gp_status = 0, phy_index = 0;
  2825. u8 ext_phy_link_up = 0, serdes_phy_type;
  2826. struct link_vars temp_vars;
  2827. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2828. MDIO_REG_BANK_GP_STATUS,
  2829. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2830. &gp_status);
  2831. /* link is up only if both local phy and external phy are up */
  2832. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2833. return -ESRCH;
  2834. switch (params->num_phys) {
  2835. case 1:
  2836. /* No external PHY */
  2837. return 0;
  2838. case 2:
  2839. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2840. &params->phy[EXT_PHY1],
  2841. params, &temp_vars);
  2842. break;
  2843. case 3: /* Dual Media */
  2844. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2845. phy_index++) {
  2846. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2847. ETH_PHY_SFP_FIBER) ||
  2848. (params->phy[phy_index].media_type ==
  2849. ETH_PHY_XFP_FIBER));
  2850. if (is_serdes != serdes_phy_type)
  2851. continue;
  2852. if (params->phy[phy_index].read_status) {
  2853. ext_phy_link_up |=
  2854. params->phy[phy_index].read_status(
  2855. &params->phy[phy_index],
  2856. params, &temp_vars);
  2857. }
  2858. }
  2859. break;
  2860. }
  2861. if (ext_phy_link_up)
  2862. return 0;
  2863. return -ESRCH;
  2864. }
  2865. static u8 bnx2x_link_initialize(struct link_params *params,
  2866. struct link_vars *vars)
  2867. {
  2868. u8 rc = 0;
  2869. u8 phy_index, non_ext_phy;
  2870. struct bnx2x *bp = params->bp;
  2871. /*
  2872. * In case of external phy existence, the line speed would be the
  2873. * line speed linked up by the external phy. In case it is direct
  2874. * only, then the line_speed during initialization will be
  2875. * equal to the req_line_speed
  2876. */
  2877. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2878. /*
  2879. * Initialize the internal phy in case this is a direct board
  2880. * (no external phys), or this board has external phy which requires
  2881. * to first.
  2882. */
  2883. if (params->phy[INT_PHY].config_init)
  2884. params->phy[INT_PHY].config_init(
  2885. &params->phy[INT_PHY],
  2886. params, vars);
  2887. /* init ext phy and enable link state int */
  2888. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2889. (params->loopback_mode == LOOPBACK_XGXS));
  2890. if (non_ext_phy ||
  2891. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2892. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2893. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2894. if (vars->line_speed == SPEED_AUTO_NEG)
  2895. bnx2x_set_parallel_detection(phy, params);
  2896. bnx2x_init_internal_phy(phy, params, vars);
  2897. }
  2898. /* Init external phy*/
  2899. if (!non_ext_phy)
  2900. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2901. phy_index++) {
  2902. /*
  2903. * No need to initialize second phy in case of first
  2904. * phy only selection. In case of second phy, we do
  2905. * need to initialize the first phy, since they are
  2906. * connected.
  2907. */
  2908. if (phy_index == EXT_PHY2 &&
  2909. (bnx2x_phy_selection(params) ==
  2910. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2911. DP(NETIF_MSG_LINK, "Ignoring second phy\n");
  2912. continue;
  2913. }
  2914. params->phy[phy_index].config_init(
  2915. &params->phy[phy_index],
  2916. params, vars);
  2917. }
  2918. /* Reset the interrupt indication after phy was initialized */
  2919. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2920. params->port*4,
  2921. (NIG_STATUS_XGXS0_LINK10G |
  2922. NIG_STATUS_XGXS0_LINK_STATUS |
  2923. NIG_STATUS_SERDES0_LINK_STATUS |
  2924. NIG_MASK_MI_INT));
  2925. return rc;
  2926. }
  2927. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  2928. struct link_params *params)
  2929. {
  2930. /* reset the SerDes/XGXS */
  2931. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  2932. (0x1ff << (params->port*16)));
  2933. }
  2934. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  2935. struct link_params *params)
  2936. {
  2937. struct bnx2x *bp = params->bp;
  2938. u8 gpio_port;
  2939. /* HW reset */
  2940. if (CHIP_IS_E2(bp))
  2941. gpio_port = BP_PATH(bp);
  2942. else
  2943. gpio_port = params->port;
  2944. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  2945. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2946. gpio_port);
  2947. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  2948. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2949. gpio_port);
  2950. DP(NETIF_MSG_LINK, "reset external PHY\n");
  2951. }
  2952. static u8 bnx2x_update_link_down(struct link_params *params,
  2953. struct link_vars *vars)
  2954. {
  2955. struct bnx2x *bp = params->bp;
  2956. u8 port = params->port;
  2957. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  2958. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  2959. /* indicate no mac active */
  2960. vars->mac_type = MAC_TYPE_NONE;
  2961. /* update shared memory */
  2962. vars->link_status = 0;
  2963. vars->line_speed = 0;
  2964. bnx2x_update_mng(params, vars->link_status);
  2965. /* activate nig drain */
  2966. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  2967. /* disable emac */
  2968. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  2969. msleep(10);
  2970. /* reset BigMac */
  2971. bnx2x_bmac_rx_disable(bp, params->port);
  2972. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2973. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2974. return 0;
  2975. }
  2976. static u8 bnx2x_update_link_up(struct link_params *params,
  2977. struct link_vars *vars,
  2978. u8 link_10g)
  2979. {
  2980. struct bnx2x *bp = params->bp;
  2981. u8 port = params->port;
  2982. u8 rc = 0;
  2983. vars->link_status |= LINK_STATUS_LINK_UP;
  2984. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  2985. vars->link_status |=
  2986. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  2987. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  2988. vars->link_status |=
  2989. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  2990. if (link_10g) {
  2991. bnx2x_bmac_enable(params, vars, 0);
  2992. bnx2x_set_led(params, vars,
  2993. LED_MODE_OPER, SPEED_10000);
  2994. } else {
  2995. rc = bnx2x_emac_program(params, vars);
  2996. bnx2x_emac_enable(params, vars, 0);
  2997. /* AN complete? */
  2998. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  2999. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  3000. SINGLE_MEDIA_DIRECT(params))
  3001. bnx2x_set_gmii_tx_driver(params);
  3002. }
  3003. /* PBF - link up */
  3004. if (!(CHIP_IS_E2(bp)))
  3005. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  3006. vars->line_speed);
  3007. /* disable drain */
  3008. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  3009. /* update shared memory */
  3010. bnx2x_update_mng(params, vars->link_status);
  3011. msleep(20);
  3012. return rc;
  3013. }
  3014. /*
  3015. * The bnx2x_link_update function should be called upon link
  3016. * interrupt.
  3017. * Link is considered up as follows:
  3018. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3019. * to be up
  3020. * - SINGLE_MEDIA - The link between the 577xx and the external
  3021. * phy (XGXS) need to up as well as the external link of the
  3022. * phy (PHY_EXT1)
  3023. * - DUAL_MEDIA - The link between the 577xx and the first
  3024. * external phy needs to be up, and at least one of the 2
  3025. * external phy link must be up.
  3026. */
  3027. u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3028. {
  3029. struct bnx2x *bp = params->bp;
  3030. struct link_vars phy_vars[MAX_PHYS];
  3031. u8 port = params->port;
  3032. u8 link_10g, phy_index;
  3033. u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
  3034. u8 is_mi_int = 0;
  3035. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3036. u8 active_external_phy = INT_PHY;
  3037. vars->link_status = 0;
  3038. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3039. phy_index++) {
  3040. phy_vars[phy_index].flow_ctrl = 0;
  3041. phy_vars[phy_index].link_status = 0;
  3042. phy_vars[phy_index].line_speed = 0;
  3043. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3044. phy_vars[phy_index].phy_link_up = 0;
  3045. phy_vars[phy_index].link_up = 0;
  3046. }
  3047. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3048. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3049. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3050. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3051. port*0x18) > 0);
  3052. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3053. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3054. is_mi_int,
  3055. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3056. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3057. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3058. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3059. /* disable emac */
  3060. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3061. /*
  3062. * Step 1:
  3063. * Check external link change only for external phys, and apply
  3064. * priority selection between them in case the link on both phys
  3065. * is up. Note that the instead of the common vars, a temporary
  3066. * vars argument is used since each phy may have different link/
  3067. * speed/duplex result
  3068. */
  3069. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3070. phy_index++) {
  3071. struct bnx2x_phy *phy = &params->phy[phy_index];
  3072. if (!phy->read_status)
  3073. continue;
  3074. /* Read link status and params of this ext phy */
  3075. cur_link_up = phy->read_status(phy, params,
  3076. &phy_vars[phy_index]);
  3077. if (cur_link_up) {
  3078. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3079. phy_index);
  3080. } else {
  3081. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3082. phy_index);
  3083. continue;
  3084. }
  3085. if (!ext_phy_link_up) {
  3086. ext_phy_link_up = 1;
  3087. active_external_phy = phy_index;
  3088. } else {
  3089. switch (bnx2x_phy_selection(params)) {
  3090. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3091. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3092. /*
  3093. * In this option, the first PHY makes sure to pass the
  3094. * traffic through itself only.
  3095. * Its not clear how to reset the link on the second phy
  3096. */
  3097. active_external_phy = EXT_PHY1;
  3098. break;
  3099. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3100. /*
  3101. * In this option, the first PHY makes sure to pass the
  3102. * traffic through the second PHY.
  3103. */
  3104. active_external_phy = EXT_PHY2;
  3105. break;
  3106. default:
  3107. /*
  3108. * Link indication on both PHYs with the following cases
  3109. * is invalid:
  3110. * - FIRST_PHY means that second phy wasn't initialized,
  3111. * hence its link is expected to be down
  3112. * - SECOND_PHY means that first phy should not be able
  3113. * to link up by itself (using configuration)
  3114. * - DEFAULT should be overriden during initialiazation
  3115. */
  3116. DP(NETIF_MSG_LINK, "Invalid link indication"
  3117. "mpc=0x%x. DISABLING LINK !!!\n",
  3118. params->multi_phy_config);
  3119. ext_phy_link_up = 0;
  3120. break;
  3121. }
  3122. }
  3123. }
  3124. prev_line_speed = vars->line_speed;
  3125. /*
  3126. * Step 2:
  3127. * Read the status of the internal phy. In case of
  3128. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3129. * otherwise this is the link between the 577xx and the first
  3130. * external phy
  3131. */
  3132. if (params->phy[INT_PHY].read_status)
  3133. params->phy[INT_PHY].read_status(
  3134. &params->phy[INT_PHY],
  3135. params, vars);
  3136. /*
  3137. * The INT_PHY flow control reside in the vars. This include the
  3138. * case where the speed or flow control are not set to AUTO.
  3139. * Otherwise, the active external phy flow control result is set
  3140. * to the vars. The ext_phy_line_speed is needed to check if the
  3141. * speed is different between the internal phy and external phy.
  3142. * This case may be result of intermediate link speed change.
  3143. */
  3144. if (active_external_phy > INT_PHY) {
  3145. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3146. /*
  3147. * Link speed is taken from the XGXS. AN and FC result from
  3148. * the external phy.
  3149. */
  3150. vars->link_status |= phy_vars[active_external_phy].link_status;
  3151. /*
  3152. * if active_external_phy is first PHY and link is up - disable
  3153. * disable TX on second external PHY
  3154. */
  3155. if (active_external_phy == EXT_PHY1) {
  3156. if (params->phy[EXT_PHY2].phy_specific_func) {
  3157. DP(NETIF_MSG_LINK, "Disabling TX on"
  3158. " EXT_PHY2\n");
  3159. params->phy[EXT_PHY2].phy_specific_func(
  3160. &params->phy[EXT_PHY2],
  3161. params, DISABLE_TX);
  3162. }
  3163. }
  3164. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3165. vars->duplex = phy_vars[active_external_phy].duplex;
  3166. if (params->phy[active_external_phy].supported &
  3167. SUPPORTED_FIBRE)
  3168. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3169. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3170. active_external_phy);
  3171. }
  3172. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3173. phy_index++) {
  3174. if (params->phy[phy_index].flags &
  3175. FLAGS_REARM_LATCH_SIGNAL) {
  3176. bnx2x_rearm_latch_signal(bp, port,
  3177. phy_index ==
  3178. active_external_phy);
  3179. break;
  3180. }
  3181. }
  3182. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3183. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3184. vars->link_status, ext_phy_line_speed);
  3185. /*
  3186. * Upon link speed change set the NIG into drain mode. Comes to
  3187. * deals with possible FIFO glitch due to clk change when speed
  3188. * is decreased without link down indicator
  3189. */
  3190. if (vars->phy_link_up) {
  3191. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3192. (ext_phy_line_speed != vars->line_speed)) {
  3193. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3194. " different than the external"
  3195. " link speed %d\n", vars->line_speed,
  3196. ext_phy_line_speed);
  3197. vars->phy_link_up = 0;
  3198. } else if (prev_line_speed != vars->line_speed) {
  3199. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3200. 0);
  3201. msleep(1);
  3202. }
  3203. }
  3204. /* anything 10 and over uses the bmac */
  3205. link_10g = ((vars->line_speed == SPEED_10000) ||
  3206. (vars->line_speed == SPEED_12000) ||
  3207. (vars->line_speed == SPEED_12500) ||
  3208. (vars->line_speed == SPEED_13000) ||
  3209. (vars->line_speed == SPEED_15000) ||
  3210. (vars->line_speed == SPEED_16000));
  3211. bnx2x_link_int_ack(params, vars, link_10g);
  3212. /*
  3213. * In case external phy link is up, and internal link is down
  3214. * (not initialized yet probably after link initialization, it
  3215. * needs to be initialized.
  3216. * Note that after link down-up as result of cable plug, the xgxs
  3217. * link would probably become up again without the need
  3218. * initialize it
  3219. */
  3220. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3221. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3222. " init_preceding = %d\n", ext_phy_link_up,
  3223. vars->phy_link_up,
  3224. params->phy[EXT_PHY1].flags &
  3225. FLAGS_INIT_XGXS_FIRST);
  3226. if (!(params->phy[EXT_PHY1].flags &
  3227. FLAGS_INIT_XGXS_FIRST)
  3228. && ext_phy_link_up && !vars->phy_link_up) {
  3229. vars->line_speed = ext_phy_line_speed;
  3230. if (vars->line_speed < SPEED_1000)
  3231. vars->phy_flags |= PHY_SGMII_FLAG;
  3232. else
  3233. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3234. bnx2x_init_internal_phy(&params->phy[INT_PHY],
  3235. params,
  3236. vars);
  3237. }
  3238. }
  3239. /*
  3240. * Link is up only if both local phy and external phy (in case of
  3241. * non-direct board) are up
  3242. */
  3243. vars->link_up = (vars->phy_link_up &&
  3244. (ext_phy_link_up ||
  3245. SINGLE_MEDIA_DIRECT(params)));
  3246. if (vars->link_up)
  3247. rc = bnx2x_update_link_up(params, vars, link_10g);
  3248. else
  3249. rc = bnx2x_update_link_down(params, vars);
  3250. return rc;
  3251. }
  3252. /*****************************************************************************/
  3253. /* External Phy section */
  3254. /*****************************************************************************/
  3255. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3256. {
  3257. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3258. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3259. msleep(1);
  3260. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3261. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3262. }
  3263. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3264. u32 spirom_ver, u32 ver_addr)
  3265. {
  3266. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3267. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3268. if (ver_addr)
  3269. REG_WR(bp, ver_addr, spirom_ver);
  3270. }
  3271. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3272. struct bnx2x_phy *phy,
  3273. u8 port)
  3274. {
  3275. u16 fw_ver1, fw_ver2;
  3276. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3277. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3278. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3279. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3280. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3281. phy->ver_addr);
  3282. }
  3283. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3284. struct bnx2x_phy *phy,
  3285. struct link_vars *vars)
  3286. {
  3287. u16 val;
  3288. struct bnx2x *bp = params->bp;
  3289. /* read modify write pause advertizing */
  3290. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3291. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3292. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3293. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3294. if ((vars->ieee_fc &
  3295. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3296. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3297. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3298. }
  3299. if ((vars->ieee_fc &
  3300. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3301. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3302. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3303. }
  3304. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3305. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3306. }
  3307. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3308. struct link_params *params,
  3309. struct link_vars *vars)
  3310. {
  3311. struct bnx2x *bp = params->bp;
  3312. u16 ld_pause; /* local */
  3313. u16 lp_pause; /* link partner */
  3314. u16 pause_result;
  3315. u8 ret = 0;
  3316. /* read twice */
  3317. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3318. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3319. vars->flow_ctrl = phy->req_flow_ctrl;
  3320. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3321. vars->flow_ctrl = params->req_fc_auto_adv;
  3322. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3323. ret = 1;
  3324. bnx2x_cl45_read(bp, phy,
  3325. MDIO_AN_DEVAD,
  3326. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3327. bnx2x_cl45_read(bp, phy,
  3328. MDIO_AN_DEVAD,
  3329. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3330. pause_result = (ld_pause &
  3331. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3332. pause_result |= (lp_pause &
  3333. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3334. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3335. pause_result);
  3336. bnx2x_pause_resolve(vars, pause_result);
  3337. }
  3338. return ret;
  3339. }
  3340. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3341. struct bnx2x_phy *phy,
  3342. struct link_vars *vars)
  3343. {
  3344. u16 val;
  3345. bnx2x_cl45_read(bp, phy,
  3346. MDIO_AN_DEVAD,
  3347. MDIO_AN_REG_STATUS, &val);
  3348. bnx2x_cl45_read(bp, phy,
  3349. MDIO_AN_DEVAD,
  3350. MDIO_AN_REG_STATUS, &val);
  3351. if (val & (1<<5))
  3352. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3353. if ((val & (1<<0)) == 0)
  3354. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3355. }
  3356. /******************************************************************/
  3357. /* common BCM8073/BCM8727 PHY SECTION */
  3358. /******************************************************************/
  3359. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3360. struct link_params *params,
  3361. struct link_vars *vars)
  3362. {
  3363. struct bnx2x *bp = params->bp;
  3364. if (phy->req_line_speed == SPEED_10 ||
  3365. phy->req_line_speed == SPEED_100) {
  3366. vars->flow_ctrl = phy->req_flow_ctrl;
  3367. return;
  3368. }
  3369. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3370. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3371. u16 pause_result;
  3372. u16 ld_pause; /* local */
  3373. u16 lp_pause; /* link partner */
  3374. bnx2x_cl45_read(bp, phy,
  3375. MDIO_AN_DEVAD,
  3376. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3377. bnx2x_cl45_read(bp, phy,
  3378. MDIO_AN_DEVAD,
  3379. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3380. pause_result = (ld_pause &
  3381. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3382. pause_result |= (lp_pause &
  3383. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3384. bnx2x_pause_resolve(vars, pause_result);
  3385. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3386. pause_result);
  3387. }
  3388. }
  3389. static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3390. struct bnx2x_phy *phy,
  3391. u8 port)
  3392. {
  3393. u32 count = 0;
  3394. u16 fw_ver1, fw_msgout;
  3395. u8 rc = 0;
  3396. /* Boot port from external ROM */
  3397. /* EDC grst */
  3398. bnx2x_cl45_write(bp, phy,
  3399. MDIO_PMA_DEVAD,
  3400. MDIO_PMA_REG_GEN_CTRL,
  3401. 0x0001);
  3402. /* ucode reboot and rst */
  3403. bnx2x_cl45_write(bp, phy,
  3404. MDIO_PMA_DEVAD,
  3405. MDIO_PMA_REG_GEN_CTRL,
  3406. 0x008c);
  3407. bnx2x_cl45_write(bp, phy,
  3408. MDIO_PMA_DEVAD,
  3409. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3410. /* Reset internal microprocessor */
  3411. bnx2x_cl45_write(bp, phy,
  3412. MDIO_PMA_DEVAD,
  3413. MDIO_PMA_REG_GEN_CTRL,
  3414. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3415. /* Release srst bit */
  3416. bnx2x_cl45_write(bp, phy,
  3417. MDIO_PMA_DEVAD,
  3418. MDIO_PMA_REG_GEN_CTRL,
  3419. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3420. /* Delay 100ms per the PHY specifications */
  3421. msleep(100);
  3422. /* 8073 sometimes taking longer to download */
  3423. do {
  3424. count++;
  3425. if (count > 300) {
  3426. DP(NETIF_MSG_LINK,
  3427. "bnx2x_8073_8727_external_rom_boot port %x:"
  3428. "Download failed. fw version = 0x%x\n",
  3429. port, fw_ver1);
  3430. rc = -EINVAL;
  3431. break;
  3432. }
  3433. bnx2x_cl45_read(bp, phy,
  3434. MDIO_PMA_DEVAD,
  3435. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3436. bnx2x_cl45_read(bp, phy,
  3437. MDIO_PMA_DEVAD,
  3438. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3439. msleep(1);
  3440. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3441. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3442. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3443. /* Clear ser_boot_ctl bit */
  3444. bnx2x_cl45_write(bp, phy,
  3445. MDIO_PMA_DEVAD,
  3446. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3447. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3448. DP(NETIF_MSG_LINK,
  3449. "bnx2x_8073_8727_external_rom_boot port %x:"
  3450. "Download complete. fw version = 0x%x\n",
  3451. port, fw_ver1);
  3452. return rc;
  3453. }
  3454. /******************************************************************/
  3455. /* BCM8073 PHY SECTION */
  3456. /******************************************************************/
  3457. static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3458. {
  3459. /* This is only required for 8073A1, version 102 only */
  3460. u16 val;
  3461. /* Read 8073 HW revision*/
  3462. bnx2x_cl45_read(bp, phy,
  3463. MDIO_PMA_DEVAD,
  3464. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3465. if (val != 1) {
  3466. /* No need to workaround in 8073 A1 */
  3467. return 0;
  3468. }
  3469. bnx2x_cl45_read(bp, phy,
  3470. MDIO_PMA_DEVAD,
  3471. MDIO_PMA_REG_ROM_VER2, &val);
  3472. /* SNR should be applied only for version 0x102 */
  3473. if (val != 0x102)
  3474. return 0;
  3475. return 1;
  3476. }
  3477. static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3478. {
  3479. u16 val, cnt, cnt1 ;
  3480. bnx2x_cl45_read(bp, phy,
  3481. MDIO_PMA_DEVAD,
  3482. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3483. if (val > 0) {
  3484. /* No need to workaround in 8073 A1 */
  3485. return 0;
  3486. }
  3487. /* XAUI workaround in 8073 A0: */
  3488. /*
  3489. * After loading the boot ROM and restarting Autoneg, poll
  3490. * Dev1, Reg $C820:
  3491. */
  3492. for (cnt = 0; cnt < 1000; cnt++) {
  3493. bnx2x_cl45_read(bp, phy,
  3494. MDIO_PMA_DEVAD,
  3495. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3496. &val);
  3497. /*
  3498. * If bit [14] = 0 or bit [13] = 0, continue on with
  3499. * system initialization (XAUI work-around not required, as
  3500. * these bits indicate 2.5G or 1G link up).
  3501. */
  3502. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3503. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3504. return 0;
  3505. } else if (!(val & (1<<15))) {
  3506. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3507. /*
  3508. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3509. * MSB (bit15) goes to 1 (indicating that the XAUI
  3510. * workaround has completed), then continue on with
  3511. * system initialization.
  3512. */
  3513. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3514. bnx2x_cl45_read(bp, phy,
  3515. MDIO_PMA_DEVAD,
  3516. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3517. if (val & (1<<15)) {
  3518. DP(NETIF_MSG_LINK,
  3519. "XAUI workaround has completed\n");
  3520. return 0;
  3521. }
  3522. msleep(3);
  3523. }
  3524. break;
  3525. }
  3526. msleep(3);
  3527. }
  3528. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3529. return -EINVAL;
  3530. }
  3531. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3532. {
  3533. /* Force KR or KX */
  3534. bnx2x_cl45_write(bp, phy,
  3535. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3536. bnx2x_cl45_write(bp, phy,
  3537. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3538. bnx2x_cl45_write(bp, phy,
  3539. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3540. bnx2x_cl45_write(bp, phy,
  3541. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3542. }
  3543. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3544. struct bnx2x_phy *phy,
  3545. struct link_vars *vars)
  3546. {
  3547. u16 cl37_val;
  3548. struct bnx2x *bp = params->bp;
  3549. bnx2x_cl45_read(bp, phy,
  3550. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3551. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3552. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3553. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3554. if ((vars->ieee_fc &
  3555. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3556. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3557. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3558. }
  3559. if ((vars->ieee_fc &
  3560. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3561. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3562. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3563. }
  3564. if ((vars->ieee_fc &
  3565. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3566. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3567. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3568. }
  3569. DP(NETIF_MSG_LINK,
  3570. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3571. bnx2x_cl45_write(bp, phy,
  3572. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3573. msleep(500);
  3574. }
  3575. static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3576. struct link_params *params,
  3577. struct link_vars *vars)
  3578. {
  3579. struct bnx2x *bp = params->bp;
  3580. u16 val = 0, tmp1;
  3581. u8 gpio_port;
  3582. DP(NETIF_MSG_LINK, "Init 8073\n");
  3583. if (CHIP_IS_E2(bp))
  3584. gpio_port = BP_PATH(bp);
  3585. else
  3586. gpio_port = params->port;
  3587. /* Restore normal power mode*/
  3588. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3589. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3590. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3591. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3592. /* enable LASI */
  3593. bnx2x_cl45_write(bp, phy,
  3594. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3595. bnx2x_cl45_write(bp, phy,
  3596. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3597. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3598. bnx2x_cl45_read(bp, phy,
  3599. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3600. bnx2x_cl45_read(bp, phy,
  3601. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3602. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3603. /* Swap polarity if required - Must be done only in non-1G mode */
  3604. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3605. /* Configure the 8073 to swap _P and _N of the KR lines */
  3606. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3607. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3608. bnx2x_cl45_read(bp, phy,
  3609. MDIO_PMA_DEVAD,
  3610. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3611. bnx2x_cl45_write(bp, phy,
  3612. MDIO_PMA_DEVAD,
  3613. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3614. (val | (3<<9)));
  3615. }
  3616. /* Enable CL37 BAM */
  3617. if (REG_RD(bp, params->shmem_base +
  3618. offsetof(struct shmem_region, dev_info.
  3619. port_hw_config[params->port].default_cfg)) &
  3620. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3621. bnx2x_cl45_read(bp, phy,
  3622. MDIO_AN_DEVAD,
  3623. MDIO_AN_REG_8073_BAM, &val);
  3624. bnx2x_cl45_write(bp, phy,
  3625. MDIO_AN_DEVAD,
  3626. MDIO_AN_REG_8073_BAM, val | 1);
  3627. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3628. }
  3629. if (params->loopback_mode == LOOPBACK_EXT) {
  3630. bnx2x_807x_force_10G(bp, phy);
  3631. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3632. return 0;
  3633. } else {
  3634. bnx2x_cl45_write(bp, phy,
  3635. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3636. }
  3637. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3638. if (phy->req_line_speed == SPEED_10000) {
  3639. val = (1<<7);
  3640. } else if (phy->req_line_speed == SPEED_2500) {
  3641. val = (1<<5);
  3642. /*
  3643. * Note that 2.5G works only when used with 1G
  3644. * advertisment
  3645. */
  3646. } else
  3647. val = (1<<5);
  3648. } else {
  3649. val = 0;
  3650. if (phy->speed_cap_mask &
  3651. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3652. val |= (1<<7);
  3653. /* Note that 2.5G works only when used with 1G advertisment */
  3654. if (phy->speed_cap_mask &
  3655. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3656. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3657. val |= (1<<5);
  3658. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3659. }
  3660. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3661. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3662. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3663. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3664. (phy->req_line_speed == SPEED_2500)) {
  3665. u16 phy_ver;
  3666. /* Allow 2.5G for A1 and above */
  3667. bnx2x_cl45_read(bp, phy,
  3668. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3669. &phy_ver);
  3670. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3671. if (phy_ver > 0)
  3672. tmp1 |= 1;
  3673. else
  3674. tmp1 &= 0xfffe;
  3675. } else {
  3676. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3677. tmp1 &= 0xfffe;
  3678. }
  3679. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3680. /* Add support for CL37 (passive mode) II */
  3681. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3682. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3683. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3684. 0x20 : 0x40)));
  3685. /* Add support for CL37 (passive mode) III */
  3686. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3687. /*
  3688. * The SNR will improve about 2db by changing BW and FEE main
  3689. * tap. Rest commands are executed after link is up
  3690. * Change FFE main cursor to 5 in EDC register
  3691. */
  3692. if (bnx2x_8073_is_snr_needed(bp, phy))
  3693. bnx2x_cl45_write(bp, phy,
  3694. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3695. 0xFB0C);
  3696. /* Enable FEC (Forware Error Correction) Request in the AN */
  3697. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3698. tmp1 |= (1<<15);
  3699. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3700. bnx2x_ext_phy_set_pause(params, phy, vars);
  3701. /* Restart autoneg */
  3702. msleep(500);
  3703. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3704. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3705. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3706. return 0;
  3707. }
  3708. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3709. struct link_params *params,
  3710. struct link_vars *vars)
  3711. {
  3712. struct bnx2x *bp = params->bp;
  3713. u8 link_up = 0;
  3714. u16 val1, val2;
  3715. u16 link_status = 0;
  3716. u16 an1000_status = 0;
  3717. bnx2x_cl45_read(bp, phy,
  3718. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3719. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3720. /* clear the interrupt LASI status register */
  3721. bnx2x_cl45_read(bp, phy,
  3722. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3723. bnx2x_cl45_read(bp, phy,
  3724. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3725. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3726. /* Clear MSG-OUT */
  3727. bnx2x_cl45_read(bp, phy,
  3728. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3729. /* Check the LASI */
  3730. bnx2x_cl45_read(bp, phy,
  3731. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3732. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3733. /* Check the link status */
  3734. bnx2x_cl45_read(bp, phy,
  3735. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3736. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3737. bnx2x_cl45_read(bp, phy,
  3738. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3739. bnx2x_cl45_read(bp, phy,
  3740. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3741. link_up = ((val1 & 4) == 4);
  3742. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3743. if (link_up &&
  3744. ((phy->req_line_speed != SPEED_10000))) {
  3745. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3746. return 0;
  3747. }
  3748. bnx2x_cl45_read(bp, phy,
  3749. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3750. bnx2x_cl45_read(bp, phy,
  3751. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3752. /* Check the link status on 1.1.2 */
  3753. bnx2x_cl45_read(bp, phy,
  3754. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3755. bnx2x_cl45_read(bp, phy,
  3756. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3757. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3758. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3759. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3760. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3761. /*
  3762. * The SNR will improve about 2dbby changing the BW and FEE main
  3763. * tap. The 1st write to change FFE main tap is set before
  3764. * restart AN. Change PLL Bandwidth in EDC register
  3765. */
  3766. bnx2x_cl45_write(bp, phy,
  3767. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3768. 0x26BC);
  3769. /* Change CDR Bandwidth in EDC register */
  3770. bnx2x_cl45_write(bp, phy,
  3771. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3772. 0x0333);
  3773. }
  3774. bnx2x_cl45_read(bp, phy,
  3775. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3776. &link_status);
  3777. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3778. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3779. link_up = 1;
  3780. vars->line_speed = SPEED_10000;
  3781. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3782. params->port);
  3783. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3784. link_up = 1;
  3785. vars->line_speed = SPEED_2500;
  3786. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3787. params->port);
  3788. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3789. link_up = 1;
  3790. vars->line_speed = SPEED_1000;
  3791. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3792. params->port);
  3793. } else {
  3794. link_up = 0;
  3795. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3796. params->port);
  3797. }
  3798. if (link_up) {
  3799. /* Swap polarity if required */
  3800. if (params->lane_config &
  3801. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3802. /* Configure the 8073 to swap P and N of the KR lines */
  3803. bnx2x_cl45_read(bp, phy,
  3804. MDIO_XS_DEVAD,
  3805. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3806. /*
  3807. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3808. * when it`s in 10G mode.
  3809. */
  3810. if (vars->line_speed == SPEED_1000) {
  3811. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3812. "the 8073\n");
  3813. val1 |= (1<<3);
  3814. } else
  3815. val1 &= ~(1<<3);
  3816. bnx2x_cl45_write(bp, phy,
  3817. MDIO_XS_DEVAD,
  3818. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3819. val1);
  3820. }
  3821. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3822. bnx2x_8073_resolve_fc(phy, params, vars);
  3823. vars->duplex = DUPLEX_FULL;
  3824. }
  3825. return link_up;
  3826. }
  3827. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3828. struct link_params *params)
  3829. {
  3830. struct bnx2x *bp = params->bp;
  3831. u8 gpio_port;
  3832. if (CHIP_IS_E2(bp))
  3833. gpio_port = BP_PATH(bp);
  3834. else
  3835. gpio_port = params->port;
  3836. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3837. gpio_port);
  3838. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3839. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3840. gpio_port);
  3841. }
  3842. /******************************************************************/
  3843. /* BCM8705 PHY SECTION */
  3844. /******************************************************************/
  3845. static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3846. struct link_params *params,
  3847. struct link_vars *vars)
  3848. {
  3849. struct bnx2x *bp = params->bp;
  3850. DP(NETIF_MSG_LINK, "init 8705\n");
  3851. /* Restore normal power mode*/
  3852. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3853. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3854. /* HW reset */
  3855. bnx2x_ext_phy_hw_reset(bp, params->port);
  3856. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3857. bnx2x_wait_reset_complete(bp, phy, params);
  3858. bnx2x_cl45_write(bp, phy,
  3859. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3860. bnx2x_cl45_write(bp, phy,
  3861. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3862. bnx2x_cl45_write(bp, phy,
  3863. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3864. bnx2x_cl45_write(bp, phy,
  3865. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3866. /* BCM8705 doesn't have microcode, hence the 0 */
  3867. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3868. return 0;
  3869. }
  3870. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3871. struct link_params *params,
  3872. struct link_vars *vars)
  3873. {
  3874. u8 link_up = 0;
  3875. u16 val1, rx_sd;
  3876. struct bnx2x *bp = params->bp;
  3877. DP(NETIF_MSG_LINK, "read status 8705\n");
  3878. bnx2x_cl45_read(bp, phy,
  3879. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3880. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3881. bnx2x_cl45_read(bp, phy,
  3882. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3883. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3884. bnx2x_cl45_read(bp, phy,
  3885. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3886. bnx2x_cl45_read(bp, phy,
  3887. MDIO_PMA_DEVAD, 0xc809, &val1);
  3888. bnx2x_cl45_read(bp, phy,
  3889. MDIO_PMA_DEVAD, 0xc809, &val1);
  3890. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3891. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3892. if (link_up) {
  3893. vars->line_speed = SPEED_10000;
  3894. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3895. }
  3896. return link_up;
  3897. }
  3898. /******************************************************************/
  3899. /* SFP+ module Section */
  3900. /******************************************************************/
  3901. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3902. {
  3903. u8 gpio_port;
  3904. u32 swap_val, swap_override;
  3905. struct bnx2x *bp = params->bp;
  3906. if (CHIP_IS_E2(bp))
  3907. gpio_port = BP_PATH(bp);
  3908. else
  3909. gpio_port = params->port;
  3910. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3911. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3912. return gpio_port ^ (swap_val && swap_override);
  3913. }
  3914. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3915. struct bnx2x_phy *phy,
  3916. u8 tx_en)
  3917. {
  3918. u16 val;
  3919. u8 port = params->port;
  3920. struct bnx2x *bp = params->bp;
  3921. u32 tx_en_mode;
  3922. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3923. tx_en_mode = REG_RD(bp, params->shmem_base +
  3924. offsetof(struct shmem_region,
  3925. dev_info.port_hw_config[port].sfp_ctrl)) &
  3926. PORT_HW_CFG_TX_LASER_MASK;
  3927. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3928. "mode = %x\n", tx_en, port, tx_en_mode);
  3929. switch (tx_en_mode) {
  3930. case PORT_HW_CFG_TX_LASER_MDIO:
  3931. bnx2x_cl45_read(bp, phy,
  3932. MDIO_PMA_DEVAD,
  3933. MDIO_PMA_REG_PHY_IDENTIFIER,
  3934. &val);
  3935. if (tx_en)
  3936. val &= ~(1<<15);
  3937. else
  3938. val |= (1<<15);
  3939. bnx2x_cl45_write(bp, phy,
  3940. MDIO_PMA_DEVAD,
  3941. MDIO_PMA_REG_PHY_IDENTIFIER,
  3942. val);
  3943. break;
  3944. case PORT_HW_CFG_TX_LASER_GPIO0:
  3945. case PORT_HW_CFG_TX_LASER_GPIO1:
  3946. case PORT_HW_CFG_TX_LASER_GPIO2:
  3947. case PORT_HW_CFG_TX_LASER_GPIO3:
  3948. {
  3949. u16 gpio_pin;
  3950. u8 gpio_port, gpio_mode;
  3951. if (tx_en)
  3952. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3953. else
  3954. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3955. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3956. gpio_port = bnx2x_get_gpio_port(params);
  3957. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3958. break;
  3959. }
  3960. default:
  3961. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3962. break;
  3963. }
  3964. }
  3965. static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3966. struct link_params *params,
  3967. u16 addr, u8 byte_cnt, u8 *o_buf)
  3968. {
  3969. struct bnx2x *bp = params->bp;
  3970. u16 val = 0;
  3971. u16 i;
  3972. if (byte_cnt > 16) {
  3973. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  3974. " is limited to 0xf\n");
  3975. return -EINVAL;
  3976. }
  3977. /* Set the read command byte count */
  3978. bnx2x_cl45_write(bp, phy,
  3979. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  3980. (byte_cnt | 0xa000));
  3981. /* Set the read command address */
  3982. bnx2x_cl45_write(bp, phy,
  3983. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  3984. addr);
  3985. /* Activate read command */
  3986. bnx2x_cl45_write(bp, phy,
  3987. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  3988. 0x2c0f);
  3989. /* Wait up to 500us for command complete status */
  3990. for (i = 0; i < 100; i++) {
  3991. bnx2x_cl45_read(bp, phy,
  3992. MDIO_PMA_DEVAD,
  3993. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3994. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3995. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  3996. break;
  3997. udelay(5);
  3998. }
  3999. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4000. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4001. DP(NETIF_MSG_LINK,
  4002. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4003. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4004. return -EINVAL;
  4005. }
  4006. /* Read the buffer */
  4007. for (i = 0; i < byte_cnt; i++) {
  4008. bnx2x_cl45_read(bp, phy,
  4009. MDIO_PMA_DEVAD,
  4010. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4011. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4012. }
  4013. for (i = 0; i < 100; i++) {
  4014. bnx2x_cl45_read(bp, phy,
  4015. MDIO_PMA_DEVAD,
  4016. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4017. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4018. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4019. return 0;
  4020. msleep(1);
  4021. }
  4022. return -EINVAL;
  4023. }
  4024. static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4025. struct link_params *params,
  4026. u16 addr, u8 byte_cnt, u8 *o_buf)
  4027. {
  4028. struct bnx2x *bp = params->bp;
  4029. u16 val, i;
  4030. if (byte_cnt > 16) {
  4031. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4032. " is limited to 0xf\n");
  4033. return -EINVAL;
  4034. }
  4035. /* Need to read from 1.8000 to clear it */
  4036. bnx2x_cl45_read(bp, phy,
  4037. MDIO_PMA_DEVAD,
  4038. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4039. &val);
  4040. /* Set the read command byte count */
  4041. bnx2x_cl45_write(bp, phy,
  4042. MDIO_PMA_DEVAD,
  4043. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4044. ((byte_cnt < 2) ? 2 : byte_cnt));
  4045. /* Set the read command address */
  4046. bnx2x_cl45_write(bp, phy,
  4047. MDIO_PMA_DEVAD,
  4048. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4049. addr);
  4050. /* Set the destination address */
  4051. bnx2x_cl45_write(bp, phy,
  4052. MDIO_PMA_DEVAD,
  4053. 0x8004,
  4054. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4055. /* Activate read command */
  4056. bnx2x_cl45_write(bp, phy,
  4057. MDIO_PMA_DEVAD,
  4058. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4059. 0x8002);
  4060. /*
  4061. * Wait appropriate time for two-wire command to finish before
  4062. * polling the status register
  4063. */
  4064. msleep(1);
  4065. /* Wait up to 500us for command complete status */
  4066. for (i = 0; i < 100; i++) {
  4067. bnx2x_cl45_read(bp, phy,
  4068. MDIO_PMA_DEVAD,
  4069. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4070. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4071. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4072. break;
  4073. udelay(5);
  4074. }
  4075. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4076. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4077. DP(NETIF_MSG_LINK,
  4078. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4079. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4080. return -EFAULT;
  4081. }
  4082. /* Read the buffer */
  4083. for (i = 0; i < byte_cnt; i++) {
  4084. bnx2x_cl45_read(bp, phy,
  4085. MDIO_PMA_DEVAD,
  4086. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4087. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4088. }
  4089. for (i = 0; i < 100; i++) {
  4090. bnx2x_cl45_read(bp, phy,
  4091. MDIO_PMA_DEVAD,
  4092. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4093. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4094. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4095. return 0;
  4096. msleep(1);
  4097. }
  4098. return -EINVAL;
  4099. }
  4100. u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4101. struct link_params *params, u16 addr,
  4102. u8 byte_cnt, u8 *o_buf)
  4103. {
  4104. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
  4105. return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4106. byte_cnt, o_buf);
  4107. else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
  4108. return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4109. byte_cnt, o_buf);
  4110. return -EINVAL;
  4111. }
  4112. static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4113. struct link_params *params,
  4114. u16 *edc_mode)
  4115. {
  4116. struct bnx2x *bp = params->bp;
  4117. u8 val, check_limiting_mode = 0;
  4118. *edc_mode = EDC_MODE_LIMITING;
  4119. /* First check for copper cable */
  4120. if (bnx2x_read_sfp_module_eeprom(phy,
  4121. params,
  4122. SFP_EEPROM_CON_TYPE_ADDR,
  4123. 1,
  4124. &val) != 0) {
  4125. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4126. return -EINVAL;
  4127. }
  4128. switch (val) {
  4129. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4130. {
  4131. u8 copper_module_type;
  4132. /*
  4133. * Check if its active cable (includes SFP+ module)
  4134. * of passive cable
  4135. */
  4136. if (bnx2x_read_sfp_module_eeprom(phy,
  4137. params,
  4138. SFP_EEPROM_FC_TX_TECH_ADDR,
  4139. 1,
  4140. &copper_module_type) !=
  4141. 0) {
  4142. DP(NETIF_MSG_LINK,
  4143. "Failed to read copper-cable-type"
  4144. " from SFP+ EEPROM\n");
  4145. return -EINVAL;
  4146. }
  4147. if (copper_module_type &
  4148. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4149. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4150. check_limiting_mode = 1;
  4151. } else if (copper_module_type &
  4152. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4153. DP(NETIF_MSG_LINK, "Passive Copper"
  4154. " cable detected\n");
  4155. *edc_mode =
  4156. EDC_MODE_PASSIVE_DAC;
  4157. } else {
  4158. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4159. "type 0x%x !!!\n", copper_module_type);
  4160. return -EINVAL;
  4161. }
  4162. break;
  4163. }
  4164. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4165. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4166. check_limiting_mode = 1;
  4167. break;
  4168. default:
  4169. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4170. val);
  4171. return -EINVAL;
  4172. }
  4173. if (check_limiting_mode) {
  4174. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4175. if (bnx2x_read_sfp_module_eeprom(phy,
  4176. params,
  4177. SFP_EEPROM_OPTIONS_ADDR,
  4178. SFP_EEPROM_OPTIONS_SIZE,
  4179. options) != 0) {
  4180. DP(NETIF_MSG_LINK, "Failed to read Option"
  4181. " field from module EEPROM\n");
  4182. return -EINVAL;
  4183. }
  4184. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4185. *edc_mode = EDC_MODE_LINEAR;
  4186. else
  4187. *edc_mode = EDC_MODE_LIMITING;
  4188. }
  4189. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4190. return 0;
  4191. }
  4192. /*
  4193. * This function read the relevant field from the module (SFP+), and verify it
  4194. * is compliant with this board
  4195. */
  4196. static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4197. struct link_params *params)
  4198. {
  4199. struct bnx2x *bp = params->bp;
  4200. u32 val, cmd;
  4201. u32 fw_resp, fw_cmd_param;
  4202. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4203. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4204. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4205. val = REG_RD(bp, params->shmem_base +
  4206. offsetof(struct shmem_region, dev_info.
  4207. port_feature_config[params->port].config));
  4208. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4209. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4210. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4211. return 0;
  4212. }
  4213. if (params->feature_config_flags &
  4214. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4215. /* Use specific phy request */
  4216. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4217. } else if (params->feature_config_flags &
  4218. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4219. /* Use first phy request only in case of non-dual media*/
  4220. if (DUAL_MEDIA(params)) {
  4221. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4222. "verification\n");
  4223. return -EINVAL;
  4224. }
  4225. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4226. } else {
  4227. /* No support in OPT MDL detection */
  4228. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4229. "verification\n");
  4230. return -EINVAL;
  4231. }
  4232. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4233. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4234. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4235. DP(NETIF_MSG_LINK, "Approved module\n");
  4236. return 0;
  4237. }
  4238. /* format the warning message */
  4239. if (bnx2x_read_sfp_module_eeprom(phy,
  4240. params,
  4241. SFP_EEPROM_VENDOR_NAME_ADDR,
  4242. SFP_EEPROM_VENDOR_NAME_SIZE,
  4243. (u8 *)vendor_name))
  4244. vendor_name[0] = '\0';
  4245. else
  4246. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4247. if (bnx2x_read_sfp_module_eeprom(phy,
  4248. params,
  4249. SFP_EEPROM_PART_NO_ADDR,
  4250. SFP_EEPROM_PART_NO_SIZE,
  4251. (u8 *)vendor_pn))
  4252. vendor_pn[0] = '\0';
  4253. else
  4254. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4255. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4256. " Port %d from %s part number %s\n",
  4257. params->port, vendor_name, vendor_pn);
  4258. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4259. return -EINVAL;
  4260. }
  4261. static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4262. struct link_params *params)
  4263. {
  4264. u8 val;
  4265. struct bnx2x *bp = params->bp;
  4266. u16 timeout;
  4267. /*
  4268. * Initialization time after hot-plug may take up to 300ms for
  4269. * some phys type ( e.g. JDSU )
  4270. */
  4271. for (timeout = 0; timeout < 60; timeout++) {
  4272. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4273. == 0) {
  4274. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4275. "took %d ms\n", timeout * 5);
  4276. return 0;
  4277. }
  4278. msleep(5);
  4279. }
  4280. return -EINVAL;
  4281. }
  4282. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4283. struct bnx2x_phy *phy,
  4284. u8 is_power_up) {
  4285. /* Make sure GPIOs are not using for LED mode */
  4286. u16 val;
  4287. /*
  4288. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4289. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4290. * output
  4291. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4292. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4293. * where the 1st bit is the over-current(only input), and 2nd bit is
  4294. * for power( only output )
  4295. *
  4296. * In case of NOC feature is disabled and power is up, set GPIO control
  4297. * as input to enable listening of over-current indication
  4298. */
  4299. if (phy->flags & FLAGS_NOC)
  4300. return;
  4301. if (!(phy->flags &
  4302. FLAGS_NOC) && is_power_up)
  4303. val = (1<<4);
  4304. else
  4305. /*
  4306. * Set GPIO control to OUTPUT, and set the power bit
  4307. * to according to the is_power_up
  4308. */
  4309. val = ((!(is_power_up)) << 1);
  4310. bnx2x_cl45_write(bp, phy,
  4311. MDIO_PMA_DEVAD,
  4312. MDIO_PMA_REG_8727_GPIO_CTRL,
  4313. val);
  4314. }
  4315. static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4316. struct bnx2x_phy *phy,
  4317. u16 edc_mode)
  4318. {
  4319. u16 cur_limiting_mode;
  4320. bnx2x_cl45_read(bp, phy,
  4321. MDIO_PMA_DEVAD,
  4322. MDIO_PMA_REG_ROM_VER2,
  4323. &cur_limiting_mode);
  4324. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4325. cur_limiting_mode);
  4326. if (edc_mode == EDC_MODE_LIMITING) {
  4327. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4328. bnx2x_cl45_write(bp, phy,
  4329. MDIO_PMA_DEVAD,
  4330. MDIO_PMA_REG_ROM_VER2,
  4331. EDC_MODE_LIMITING);
  4332. } else { /* LRM mode ( default )*/
  4333. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4334. /*
  4335. * Changing to LRM mode takes quite few seconds. So do it only
  4336. * if current mode is limiting (default is LRM)
  4337. */
  4338. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4339. return 0;
  4340. bnx2x_cl45_write(bp, phy,
  4341. MDIO_PMA_DEVAD,
  4342. MDIO_PMA_REG_LRM_MODE,
  4343. 0);
  4344. bnx2x_cl45_write(bp, phy,
  4345. MDIO_PMA_DEVAD,
  4346. MDIO_PMA_REG_ROM_VER2,
  4347. 0x128);
  4348. bnx2x_cl45_write(bp, phy,
  4349. MDIO_PMA_DEVAD,
  4350. MDIO_PMA_REG_MISC_CTRL0,
  4351. 0x4008);
  4352. bnx2x_cl45_write(bp, phy,
  4353. MDIO_PMA_DEVAD,
  4354. MDIO_PMA_REG_LRM_MODE,
  4355. 0xaaaa);
  4356. }
  4357. return 0;
  4358. }
  4359. static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4360. struct bnx2x_phy *phy,
  4361. u16 edc_mode)
  4362. {
  4363. u16 phy_identifier;
  4364. u16 rom_ver2_val;
  4365. bnx2x_cl45_read(bp, phy,
  4366. MDIO_PMA_DEVAD,
  4367. MDIO_PMA_REG_PHY_IDENTIFIER,
  4368. &phy_identifier);
  4369. bnx2x_cl45_write(bp, phy,
  4370. MDIO_PMA_DEVAD,
  4371. MDIO_PMA_REG_PHY_IDENTIFIER,
  4372. (phy_identifier & ~(1<<9)));
  4373. bnx2x_cl45_read(bp, phy,
  4374. MDIO_PMA_DEVAD,
  4375. MDIO_PMA_REG_ROM_VER2,
  4376. &rom_ver2_val);
  4377. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4378. bnx2x_cl45_write(bp, phy,
  4379. MDIO_PMA_DEVAD,
  4380. MDIO_PMA_REG_ROM_VER2,
  4381. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4382. bnx2x_cl45_write(bp, phy,
  4383. MDIO_PMA_DEVAD,
  4384. MDIO_PMA_REG_PHY_IDENTIFIER,
  4385. (phy_identifier | (1<<9)));
  4386. return 0;
  4387. }
  4388. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4389. struct link_params *params,
  4390. u32 action)
  4391. {
  4392. struct bnx2x *bp = params->bp;
  4393. switch (action) {
  4394. case DISABLE_TX:
  4395. bnx2x_sfp_set_transmitter(params, phy, 0);
  4396. break;
  4397. case ENABLE_TX:
  4398. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4399. bnx2x_sfp_set_transmitter(params, phy, 1);
  4400. break;
  4401. default:
  4402. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4403. action);
  4404. return;
  4405. }
  4406. }
  4407. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4408. u8 gpio_mode)
  4409. {
  4410. struct bnx2x *bp = params->bp;
  4411. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4412. offsetof(struct shmem_region,
  4413. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4414. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4415. switch (fault_led_gpio) {
  4416. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4417. return;
  4418. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4419. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4420. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4421. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4422. {
  4423. u8 gpio_port = bnx2x_get_gpio_port(params);
  4424. u16 gpio_pin = fault_led_gpio -
  4425. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4426. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4427. "pin %x port %x mode %x\n",
  4428. gpio_pin, gpio_port, gpio_mode);
  4429. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4430. }
  4431. break;
  4432. default:
  4433. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4434. fault_led_gpio);
  4435. }
  4436. }
  4437. static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4438. struct link_params *params)
  4439. {
  4440. struct bnx2x *bp = params->bp;
  4441. u16 edc_mode;
  4442. u8 rc = 0;
  4443. u32 val = REG_RD(bp, params->shmem_base +
  4444. offsetof(struct shmem_region, dev_info.
  4445. port_feature_config[params->port].config));
  4446. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4447. params->port);
  4448. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4449. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4450. return -EINVAL;
  4451. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4452. /* check SFP+ module compatibility */
  4453. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4454. rc = -EINVAL;
  4455. /* Turn on fault module-detected led */
  4456. bnx2x_set_sfp_module_fault_led(params,
  4457. MISC_REGISTERS_GPIO_HIGH);
  4458. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
  4459. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4460. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
  4461. /* Shutdown SFP+ module */
  4462. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4463. bnx2x_8727_power_module(bp, phy, 0);
  4464. return rc;
  4465. }
  4466. } else {
  4467. /* Turn off fault module-detected led */
  4468. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4469. }
  4470. /* power up the SFP module */
  4471. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
  4472. bnx2x_8727_power_module(bp, phy, 1);
  4473. /*
  4474. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4475. * is done automatically
  4476. */
  4477. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
  4478. bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
  4479. else
  4480. bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
  4481. /*
  4482. * Enable transmit for this module if the module is approved, or
  4483. * if unapproved modules should also enable the Tx laser
  4484. */
  4485. if (rc == 0 ||
  4486. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4487. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4488. bnx2x_sfp_set_transmitter(params, phy, 1);
  4489. else
  4490. bnx2x_sfp_set_transmitter(params, phy, 0);
  4491. return rc;
  4492. }
  4493. void bnx2x_handle_module_detect_int(struct link_params *params)
  4494. {
  4495. struct bnx2x *bp = params->bp;
  4496. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4497. u32 gpio_val;
  4498. u8 port = params->port;
  4499. /* Set valid module led off */
  4500. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4501. /* Get current gpio val reflecting module plugged in / out*/
  4502. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4503. /* Call the handling function in case module is detected */
  4504. if (gpio_val == 0) {
  4505. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4506. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4507. port);
  4508. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4509. bnx2x_sfp_module_detection(phy, params);
  4510. else
  4511. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4512. } else {
  4513. u32 val = REG_RD(bp, params->shmem_base +
  4514. offsetof(struct shmem_region, dev_info.
  4515. port_feature_config[params->port].
  4516. config));
  4517. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4518. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4519. port);
  4520. /*
  4521. * Module was plugged out.
  4522. * Disable transmit for this module
  4523. */
  4524. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4525. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4526. bnx2x_sfp_set_transmitter(params, phy, 0);
  4527. }
  4528. }
  4529. /******************************************************************/
  4530. /* common BCM8706/BCM8726 PHY SECTION */
  4531. /******************************************************************/
  4532. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4533. struct link_params *params,
  4534. struct link_vars *vars)
  4535. {
  4536. u8 link_up = 0;
  4537. u16 val1, val2, rx_sd, pcs_status;
  4538. struct bnx2x *bp = params->bp;
  4539. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4540. /* Clear RX Alarm*/
  4541. bnx2x_cl45_read(bp, phy,
  4542. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4543. /* clear LASI indication*/
  4544. bnx2x_cl45_read(bp, phy,
  4545. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4546. bnx2x_cl45_read(bp, phy,
  4547. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4548. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4549. bnx2x_cl45_read(bp, phy,
  4550. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4551. bnx2x_cl45_read(bp, phy,
  4552. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4553. bnx2x_cl45_read(bp, phy,
  4554. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4555. bnx2x_cl45_read(bp, phy,
  4556. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4557. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4558. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4559. /*
  4560. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4561. * are set, or if the autoneg bit 1 is set
  4562. */
  4563. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4564. if (link_up) {
  4565. if (val2 & (1<<1))
  4566. vars->line_speed = SPEED_1000;
  4567. else
  4568. vars->line_speed = SPEED_10000;
  4569. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4570. vars->duplex = DUPLEX_FULL;
  4571. }
  4572. return link_up;
  4573. }
  4574. /******************************************************************/
  4575. /* BCM8706 PHY SECTION */
  4576. /******************************************************************/
  4577. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4578. struct link_params *params,
  4579. struct link_vars *vars)
  4580. {
  4581. u32 tx_en_mode;
  4582. u16 cnt, val, tmp1;
  4583. struct bnx2x *bp = params->bp;
  4584. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4585. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4586. /* HW reset */
  4587. bnx2x_ext_phy_hw_reset(bp, params->port);
  4588. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4589. bnx2x_wait_reset_complete(bp, phy, params);
  4590. /* Wait until fw is loaded */
  4591. for (cnt = 0; cnt < 100; cnt++) {
  4592. bnx2x_cl45_read(bp, phy,
  4593. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4594. if (val)
  4595. break;
  4596. msleep(10);
  4597. }
  4598. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4599. if ((params->feature_config_flags &
  4600. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4601. u8 i;
  4602. u16 reg;
  4603. for (i = 0; i < 4; i++) {
  4604. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4605. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4606. MDIO_XS_8706_REG_BANK_RX0);
  4607. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4608. /* Clear first 3 bits of the control */
  4609. val &= ~0x7;
  4610. /* Set control bits according to configuration */
  4611. val |= (phy->rx_preemphasis[i] & 0x7);
  4612. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4613. " reg 0x%x <-- val 0x%x\n", reg, val);
  4614. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4615. }
  4616. }
  4617. /* Force speed */
  4618. if (phy->req_line_speed == SPEED_10000) {
  4619. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4620. bnx2x_cl45_write(bp, phy,
  4621. MDIO_PMA_DEVAD,
  4622. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4623. bnx2x_cl45_write(bp, phy,
  4624. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4625. } else {
  4626. /* Force 1Gbps using autoneg with 1G advertisment */
  4627. /* Allow CL37 through CL73 */
  4628. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4629. bnx2x_cl45_write(bp, phy,
  4630. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4631. /* Enable Full-Duplex advertisment on CL37 */
  4632. bnx2x_cl45_write(bp, phy,
  4633. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4634. /* Enable CL37 AN */
  4635. bnx2x_cl45_write(bp, phy,
  4636. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4637. /* 1G support */
  4638. bnx2x_cl45_write(bp, phy,
  4639. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4640. /* Enable clause 73 AN */
  4641. bnx2x_cl45_write(bp, phy,
  4642. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4643. bnx2x_cl45_write(bp, phy,
  4644. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4645. 0x0400);
  4646. bnx2x_cl45_write(bp, phy,
  4647. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4648. 0x0004);
  4649. }
  4650. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4651. /*
  4652. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4653. * power mode, if TX Laser is disabled
  4654. */
  4655. tx_en_mode = REG_RD(bp, params->shmem_base +
  4656. offsetof(struct shmem_region,
  4657. dev_info.port_hw_config[params->port].sfp_ctrl))
  4658. & PORT_HW_CFG_TX_LASER_MASK;
  4659. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4660. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4661. bnx2x_cl45_read(bp, phy,
  4662. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4663. tmp1 |= 0x1;
  4664. bnx2x_cl45_write(bp, phy,
  4665. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4666. }
  4667. return 0;
  4668. }
  4669. static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4670. struct link_params *params,
  4671. struct link_vars *vars)
  4672. {
  4673. return bnx2x_8706_8726_read_status(phy, params, vars);
  4674. }
  4675. /******************************************************************/
  4676. /* BCM8726 PHY SECTION */
  4677. /******************************************************************/
  4678. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4679. struct link_params *params)
  4680. {
  4681. struct bnx2x *bp = params->bp;
  4682. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4683. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4684. }
  4685. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4686. struct link_params *params)
  4687. {
  4688. struct bnx2x *bp = params->bp;
  4689. /* Need to wait 100ms after reset */
  4690. msleep(100);
  4691. /* Micro controller re-boot */
  4692. bnx2x_cl45_write(bp, phy,
  4693. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4694. /* Set soft reset */
  4695. bnx2x_cl45_write(bp, phy,
  4696. MDIO_PMA_DEVAD,
  4697. MDIO_PMA_REG_GEN_CTRL,
  4698. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4699. bnx2x_cl45_write(bp, phy,
  4700. MDIO_PMA_DEVAD,
  4701. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4702. bnx2x_cl45_write(bp, phy,
  4703. MDIO_PMA_DEVAD,
  4704. MDIO_PMA_REG_GEN_CTRL,
  4705. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4706. /* wait for 150ms for microcode load */
  4707. msleep(150);
  4708. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4709. bnx2x_cl45_write(bp, phy,
  4710. MDIO_PMA_DEVAD,
  4711. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4712. msleep(200);
  4713. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4714. }
  4715. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4716. struct link_params *params,
  4717. struct link_vars *vars)
  4718. {
  4719. struct bnx2x *bp = params->bp;
  4720. u16 val1;
  4721. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4722. if (link_up) {
  4723. bnx2x_cl45_read(bp, phy,
  4724. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4725. &val1);
  4726. if (val1 & (1<<15)) {
  4727. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4728. link_up = 0;
  4729. vars->line_speed = 0;
  4730. }
  4731. }
  4732. return link_up;
  4733. }
  4734. static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4735. struct link_params *params,
  4736. struct link_vars *vars)
  4737. {
  4738. struct bnx2x *bp = params->bp;
  4739. u32 val;
  4740. u32 swap_val, swap_override, aeu_gpio_mask, offset;
  4741. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4742. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4743. bnx2x_wait_reset_complete(bp, phy, params);
  4744. bnx2x_8726_external_rom_boot(phy, params);
  4745. /*
  4746. * Need to call module detected on initialization since the module
  4747. * detection triggered by actual module insertion might occur before
  4748. * driver is loaded, and when driver is loaded, it reset all
  4749. * registers, including the transmitter
  4750. */
  4751. bnx2x_sfp_module_detection(phy, params);
  4752. if (phy->req_line_speed == SPEED_1000) {
  4753. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4754. bnx2x_cl45_write(bp, phy,
  4755. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4756. bnx2x_cl45_write(bp, phy,
  4757. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4758. bnx2x_cl45_write(bp, phy,
  4759. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4760. bnx2x_cl45_write(bp, phy,
  4761. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4762. 0x400);
  4763. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4764. (phy->speed_cap_mask &
  4765. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4766. ((phy->speed_cap_mask &
  4767. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4768. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4769. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4770. /* Set Flow control */
  4771. bnx2x_ext_phy_set_pause(params, phy, vars);
  4772. bnx2x_cl45_write(bp, phy,
  4773. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4774. bnx2x_cl45_write(bp, phy,
  4775. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4776. bnx2x_cl45_write(bp, phy,
  4777. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4778. bnx2x_cl45_write(bp, phy,
  4779. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4780. bnx2x_cl45_write(bp, phy,
  4781. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4782. /*
  4783. * Enable RX-ALARM control to receive interrupt for 1G speed
  4784. * change
  4785. */
  4786. bnx2x_cl45_write(bp, phy,
  4787. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4788. bnx2x_cl45_write(bp, phy,
  4789. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4790. 0x400);
  4791. } else { /* Default 10G. Set only LASI control */
  4792. bnx2x_cl45_write(bp, phy,
  4793. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4794. }
  4795. /* Set TX PreEmphasis if needed */
  4796. if ((params->feature_config_flags &
  4797. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4798. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4799. "TX_CTRL2 0x%x\n",
  4800. phy->tx_preemphasis[0],
  4801. phy->tx_preemphasis[1]);
  4802. bnx2x_cl45_write(bp, phy,
  4803. MDIO_PMA_DEVAD,
  4804. MDIO_PMA_REG_8726_TX_CTRL1,
  4805. phy->tx_preemphasis[0]);
  4806. bnx2x_cl45_write(bp, phy,
  4807. MDIO_PMA_DEVAD,
  4808. MDIO_PMA_REG_8726_TX_CTRL2,
  4809. phy->tx_preemphasis[1]);
  4810. }
  4811. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  4812. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  4813. MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
  4814. /* The GPIO should be swapped if the swap register is set and active */
  4815. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4816. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4817. /* Select function upon port-swap configuration */
  4818. if (params->port == 0) {
  4819. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  4820. aeu_gpio_mask = (swap_val && swap_override) ?
  4821. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
  4822. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
  4823. } else {
  4824. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  4825. aeu_gpio_mask = (swap_val && swap_override) ?
  4826. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
  4827. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
  4828. }
  4829. val = REG_RD(bp, offset);
  4830. /* add GPIO3 to group */
  4831. val |= aeu_gpio_mask;
  4832. REG_WR(bp, offset, val);
  4833. return 0;
  4834. }
  4835. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4836. struct link_params *params)
  4837. {
  4838. struct bnx2x *bp = params->bp;
  4839. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4840. /* Set serial boot control for external load */
  4841. bnx2x_cl45_write(bp, phy,
  4842. MDIO_PMA_DEVAD,
  4843. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4844. }
  4845. /******************************************************************/
  4846. /* BCM8727 PHY SECTION */
  4847. /******************************************************************/
  4848. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4849. struct link_params *params, u8 mode)
  4850. {
  4851. struct bnx2x *bp = params->bp;
  4852. u16 led_mode_bitmask = 0;
  4853. u16 gpio_pins_bitmask = 0;
  4854. u16 val;
  4855. /* Only NOC flavor requires to set the LED specifically */
  4856. if (!(phy->flags & FLAGS_NOC))
  4857. return;
  4858. switch (mode) {
  4859. case LED_MODE_FRONT_PANEL_OFF:
  4860. case LED_MODE_OFF:
  4861. led_mode_bitmask = 0;
  4862. gpio_pins_bitmask = 0x03;
  4863. break;
  4864. case LED_MODE_ON:
  4865. led_mode_bitmask = 0;
  4866. gpio_pins_bitmask = 0x02;
  4867. break;
  4868. case LED_MODE_OPER:
  4869. led_mode_bitmask = 0x60;
  4870. gpio_pins_bitmask = 0x11;
  4871. break;
  4872. }
  4873. bnx2x_cl45_read(bp, phy,
  4874. MDIO_PMA_DEVAD,
  4875. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4876. &val);
  4877. val &= 0xff8f;
  4878. val |= led_mode_bitmask;
  4879. bnx2x_cl45_write(bp, phy,
  4880. MDIO_PMA_DEVAD,
  4881. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4882. val);
  4883. bnx2x_cl45_read(bp, phy,
  4884. MDIO_PMA_DEVAD,
  4885. MDIO_PMA_REG_8727_GPIO_CTRL,
  4886. &val);
  4887. val &= 0xffe0;
  4888. val |= gpio_pins_bitmask;
  4889. bnx2x_cl45_write(bp, phy,
  4890. MDIO_PMA_DEVAD,
  4891. MDIO_PMA_REG_8727_GPIO_CTRL,
  4892. val);
  4893. }
  4894. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4895. struct link_params *params) {
  4896. u32 swap_val, swap_override;
  4897. u8 port;
  4898. /*
  4899. * The PHY reset is controlled by GPIO 1. Fake the port number
  4900. * to cancel the swap done in set_gpio()
  4901. */
  4902. struct bnx2x *bp = params->bp;
  4903. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4904. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4905. port = (swap_val && swap_override) ^ 1;
  4906. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  4907. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  4908. }
  4909. static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
  4910. struct link_params *params,
  4911. struct link_vars *vars)
  4912. {
  4913. u32 tx_en_mode;
  4914. u16 tmp1, val, mod_abs, tmp2;
  4915. u16 rx_alarm_ctrl_val;
  4916. u16 lasi_ctrl_val;
  4917. struct bnx2x *bp = params->bp;
  4918. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  4919. bnx2x_wait_reset_complete(bp, phy, params);
  4920. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  4921. lasi_ctrl_val = 0x0004;
  4922. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  4923. /* enable LASI */
  4924. bnx2x_cl45_write(bp, phy,
  4925. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4926. rx_alarm_ctrl_val);
  4927. bnx2x_cl45_write(bp, phy,
  4928. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  4929. /*
  4930. * Initially configure MOD_ABS to interrupt when module is
  4931. * presence( bit 8)
  4932. */
  4933. bnx2x_cl45_read(bp, phy,
  4934. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  4935. /*
  4936. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  4937. * When the EDC is off it locks onto a reference clock and avoids
  4938. * becoming 'lost'
  4939. */
  4940. mod_abs &= ~(1<<8);
  4941. if (!(phy->flags & FLAGS_NOC))
  4942. mod_abs &= ~(1<<9);
  4943. bnx2x_cl45_write(bp, phy,
  4944. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  4945. /* Make MOD_ABS give interrupt on change */
  4946. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4947. &val);
  4948. val |= (1<<12);
  4949. if (phy->flags & FLAGS_NOC)
  4950. val |= (3<<5);
  4951. /*
  4952. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  4953. * status which reflect SFP+ module over-current
  4954. */
  4955. if (!(phy->flags & FLAGS_NOC))
  4956. val &= 0xff8f; /* Reset bits 4-6 */
  4957. bnx2x_cl45_write(bp, phy,
  4958. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  4959. bnx2x_8727_power_module(bp, phy, 1);
  4960. bnx2x_cl45_read(bp, phy,
  4961. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  4962. bnx2x_cl45_read(bp, phy,
  4963. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  4964. /* Set option 1G speed */
  4965. if (phy->req_line_speed == SPEED_1000) {
  4966. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4967. bnx2x_cl45_write(bp, phy,
  4968. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4969. bnx2x_cl45_write(bp, phy,
  4970. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4971. bnx2x_cl45_read(bp, phy,
  4972. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  4973. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  4974. /*
  4975. * Power down the XAUI until link is up in case of dual-media
  4976. * and 1G
  4977. */
  4978. if (DUAL_MEDIA(params)) {
  4979. bnx2x_cl45_read(bp, phy,
  4980. MDIO_PMA_DEVAD,
  4981. MDIO_PMA_REG_8727_PCS_GP, &val);
  4982. val |= (3<<10);
  4983. bnx2x_cl45_write(bp, phy,
  4984. MDIO_PMA_DEVAD,
  4985. MDIO_PMA_REG_8727_PCS_GP, val);
  4986. }
  4987. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4988. ((phy->speed_cap_mask &
  4989. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  4990. ((phy->speed_cap_mask &
  4991. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4992. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4993. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4994. bnx2x_cl45_write(bp, phy,
  4995. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  4996. bnx2x_cl45_write(bp, phy,
  4997. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  4998. } else {
  4999. /*
  5000. * Since the 8727 has only single reset pin, need to set the 10G
  5001. * registers although it is default
  5002. */
  5003. bnx2x_cl45_write(bp, phy,
  5004. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5005. 0x0020);
  5006. bnx2x_cl45_write(bp, phy,
  5007. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5008. bnx2x_cl45_write(bp, phy,
  5009. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5010. bnx2x_cl45_write(bp, phy,
  5011. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5012. 0x0008);
  5013. }
  5014. /*
  5015. * Set 2-wire transfer rate of SFP+ module EEPROM
  5016. * to 100Khz since some DACs(direct attached cables) do
  5017. * not work at 400Khz.
  5018. */
  5019. bnx2x_cl45_write(bp, phy,
  5020. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5021. 0xa001);
  5022. /* Set TX PreEmphasis if needed */
  5023. if ((params->feature_config_flags &
  5024. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5025. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5026. phy->tx_preemphasis[0],
  5027. phy->tx_preemphasis[1]);
  5028. bnx2x_cl45_write(bp, phy,
  5029. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5030. phy->tx_preemphasis[0]);
  5031. bnx2x_cl45_write(bp, phy,
  5032. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5033. phy->tx_preemphasis[1]);
  5034. }
  5035. /*
  5036. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5037. * power mode, if TX Laser is disabled
  5038. */
  5039. tx_en_mode = REG_RD(bp, params->shmem_base +
  5040. offsetof(struct shmem_region,
  5041. dev_info.port_hw_config[params->port].sfp_ctrl))
  5042. & PORT_HW_CFG_TX_LASER_MASK;
  5043. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5044. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5045. bnx2x_cl45_read(bp, phy,
  5046. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5047. tmp2 |= 0x1000;
  5048. tmp2 &= 0xFFEF;
  5049. bnx2x_cl45_write(bp, phy,
  5050. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5051. }
  5052. return 0;
  5053. }
  5054. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5055. struct link_params *params)
  5056. {
  5057. struct bnx2x *bp = params->bp;
  5058. u16 mod_abs, rx_alarm_status;
  5059. u32 val = REG_RD(bp, params->shmem_base +
  5060. offsetof(struct shmem_region, dev_info.
  5061. port_feature_config[params->port].
  5062. config));
  5063. bnx2x_cl45_read(bp, phy,
  5064. MDIO_PMA_DEVAD,
  5065. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5066. if (mod_abs & (1<<8)) {
  5067. /* Module is absent */
  5068. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5069. "show module is absent\n");
  5070. /*
  5071. * 1. Set mod_abs to detect next module
  5072. * presence event
  5073. * 2. Set EDC off by setting OPTXLOS signal input to low
  5074. * (bit 9).
  5075. * When the EDC is off it locks onto a reference clock and
  5076. * avoids becoming 'lost'.
  5077. */
  5078. mod_abs &= ~(1<<8);
  5079. if (!(phy->flags & FLAGS_NOC))
  5080. mod_abs &= ~(1<<9);
  5081. bnx2x_cl45_write(bp, phy,
  5082. MDIO_PMA_DEVAD,
  5083. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5084. /*
  5085. * Clear RX alarm since it stays up as long as
  5086. * the mod_abs wasn't changed
  5087. */
  5088. bnx2x_cl45_read(bp, phy,
  5089. MDIO_PMA_DEVAD,
  5090. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5091. } else {
  5092. /* Module is present */
  5093. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5094. "show module is present\n");
  5095. /*
  5096. * First disable transmitter, and if the module is ok, the
  5097. * module_detection will enable it
  5098. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5099. * 2. Restore the default polarity of the OPRXLOS signal and
  5100. * this signal will then correctly indicate the presence or
  5101. * absence of the Rx signal. (bit 9)
  5102. */
  5103. mod_abs |= (1<<8);
  5104. if (!(phy->flags & FLAGS_NOC))
  5105. mod_abs |= (1<<9);
  5106. bnx2x_cl45_write(bp, phy,
  5107. MDIO_PMA_DEVAD,
  5108. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5109. /*
  5110. * Clear RX alarm since it stays up as long as the mod_abs
  5111. * wasn't changed. This is need to be done before calling the
  5112. * module detection, otherwise it will clear* the link update
  5113. * alarm
  5114. */
  5115. bnx2x_cl45_read(bp, phy,
  5116. MDIO_PMA_DEVAD,
  5117. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5118. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5119. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5120. bnx2x_sfp_set_transmitter(params, phy, 0);
  5121. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5122. bnx2x_sfp_module_detection(phy, params);
  5123. else
  5124. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5125. }
  5126. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5127. rx_alarm_status);
  5128. /* No need to check link status in case of module plugged in/out */
  5129. }
  5130. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5131. struct link_params *params,
  5132. struct link_vars *vars)
  5133. {
  5134. struct bnx2x *bp = params->bp;
  5135. u8 link_up = 0;
  5136. u16 link_status = 0;
  5137. u16 rx_alarm_status, lasi_ctrl, val1;
  5138. /* If PHY is not initialized, do not check link status */
  5139. bnx2x_cl45_read(bp, phy,
  5140. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5141. &lasi_ctrl);
  5142. if (!lasi_ctrl)
  5143. return 0;
  5144. /* Check the LASI */
  5145. bnx2x_cl45_read(bp, phy,
  5146. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5147. &rx_alarm_status);
  5148. vars->line_speed = 0;
  5149. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5150. bnx2x_cl45_read(bp, phy,
  5151. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5152. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5153. /* Clear MSG-OUT */
  5154. bnx2x_cl45_read(bp, phy,
  5155. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5156. /*
  5157. * If a module is present and there is need to check
  5158. * for over current
  5159. */
  5160. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5161. /* Check over-current using 8727 GPIO0 input*/
  5162. bnx2x_cl45_read(bp, phy,
  5163. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5164. &val1);
  5165. if ((val1 & (1<<8)) == 0) {
  5166. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5167. " on port %d\n", params->port);
  5168. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5169. " been detected and the power to "
  5170. "that SFP+ module has been removed"
  5171. " to prevent failure of the card."
  5172. " Please remove the SFP+ module and"
  5173. " restart the system to clear this"
  5174. " error.\n",
  5175. params->port);
  5176. /* Disable all RX_ALARMs except for mod_abs */
  5177. bnx2x_cl45_write(bp, phy,
  5178. MDIO_PMA_DEVAD,
  5179. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5180. bnx2x_cl45_read(bp, phy,
  5181. MDIO_PMA_DEVAD,
  5182. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5183. /* Wait for module_absent_event */
  5184. val1 |= (1<<8);
  5185. bnx2x_cl45_write(bp, phy,
  5186. MDIO_PMA_DEVAD,
  5187. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5188. /* Clear RX alarm */
  5189. bnx2x_cl45_read(bp, phy,
  5190. MDIO_PMA_DEVAD,
  5191. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5192. return 0;
  5193. }
  5194. } /* Over current check */
  5195. /* When module absent bit is set, check module */
  5196. if (rx_alarm_status & (1<<5)) {
  5197. bnx2x_8727_handle_mod_abs(phy, params);
  5198. /* Enable all mod_abs and link detection bits */
  5199. bnx2x_cl45_write(bp, phy,
  5200. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5201. ((1<<5) | (1<<2)));
  5202. }
  5203. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5204. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5205. /* If transmitter is disabled, ignore false link up indication */
  5206. bnx2x_cl45_read(bp, phy,
  5207. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5208. if (val1 & (1<<15)) {
  5209. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5210. return 0;
  5211. }
  5212. bnx2x_cl45_read(bp, phy,
  5213. MDIO_PMA_DEVAD,
  5214. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5215. /*
  5216. * Bits 0..2 --> speed detected,
  5217. * Bits 13..15--> link is down
  5218. */
  5219. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5220. link_up = 1;
  5221. vars->line_speed = SPEED_10000;
  5222. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5223. params->port);
  5224. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5225. link_up = 1;
  5226. vars->line_speed = SPEED_1000;
  5227. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5228. params->port);
  5229. } else {
  5230. link_up = 0;
  5231. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5232. params->port);
  5233. }
  5234. if (link_up) {
  5235. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5236. vars->duplex = DUPLEX_FULL;
  5237. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5238. }
  5239. if ((DUAL_MEDIA(params)) &&
  5240. (phy->req_line_speed == SPEED_1000)) {
  5241. bnx2x_cl45_read(bp, phy,
  5242. MDIO_PMA_DEVAD,
  5243. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5244. /*
  5245. * In case of dual-media board and 1G, power up the XAUI side,
  5246. * otherwise power it down. For 10G it is done automatically
  5247. */
  5248. if (link_up)
  5249. val1 &= ~(3<<10);
  5250. else
  5251. val1 |= (3<<10);
  5252. bnx2x_cl45_write(bp, phy,
  5253. MDIO_PMA_DEVAD,
  5254. MDIO_PMA_REG_8727_PCS_GP, val1);
  5255. }
  5256. return link_up;
  5257. }
  5258. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5259. struct link_params *params)
  5260. {
  5261. struct bnx2x *bp = params->bp;
  5262. /* Disable Transmitter */
  5263. bnx2x_sfp_set_transmitter(params, phy, 0);
  5264. /* Clear LASI */
  5265. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5266. }
  5267. /******************************************************************/
  5268. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5269. /******************************************************************/
  5270. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5271. struct link_params *params)
  5272. {
  5273. u16 val, fw_ver1, fw_ver2, cnt, adj;
  5274. struct bnx2x *bp = params->bp;
  5275. adj = 0;
  5276. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5277. adj = -1;
  5278. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5279. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5280. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014);
  5281. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5282. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000);
  5283. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300);
  5284. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009);
  5285. for (cnt = 0; cnt < 100; cnt++) {
  5286. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5287. if (val & 1)
  5288. break;
  5289. udelay(5);
  5290. }
  5291. if (cnt == 100) {
  5292. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5293. bnx2x_save_spirom_version(bp, params->port, 0,
  5294. phy->ver_addr);
  5295. return;
  5296. }
  5297. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5298. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000);
  5299. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5300. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A);
  5301. for (cnt = 0; cnt < 100; cnt++) {
  5302. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5303. if (val & 1)
  5304. break;
  5305. udelay(5);
  5306. }
  5307. if (cnt == 100) {
  5308. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5309. bnx2x_save_spirom_version(bp, params->port, 0,
  5310. phy->ver_addr);
  5311. return;
  5312. }
  5313. /* lower 16 bits of the register SPI_FW_STATUS */
  5314. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1);
  5315. /* upper 16 bits of register SPI_FW_STATUS */
  5316. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2);
  5317. bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
  5318. phy->ver_addr);
  5319. }
  5320. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5321. struct bnx2x_phy *phy)
  5322. {
  5323. u16 val, adj;
  5324. adj = 0;
  5325. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5326. adj = -1;
  5327. /* PHYC_CTL_LED_CTL */
  5328. bnx2x_cl45_read(bp, phy,
  5329. MDIO_PMA_DEVAD,
  5330. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val);
  5331. val &= 0xFE00;
  5332. val |= 0x0092;
  5333. bnx2x_cl45_write(bp, phy,
  5334. MDIO_PMA_DEVAD,
  5335. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val);
  5336. bnx2x_cl45_write(bp, phy,
  5337. MDIO_PMA_DEVAD,
  5338. MDIO_PMA_REG_8481_LED1_MASK + adj,
  5339. 0x80);
  5340. bnx2x_cl45_write(bp, phy,
  5341. MDIO_PMA_DEVAD,
  5342. MDIO_PMA_REG_8481_LED2_MASK + adj,
  5343. 0x18);
  5344. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5345. bnx2x_cl45_write(bp, phy,
  5346. MDIO_PMA_DEVAD,
  5347. MDIO_PMA_REG_8481_LED3_MASK + adj,
  5348. 0x0006);
  5349. /* Select the closest activity blink rate to that in 10/100/1000 */
  5350. bnx2x_cl45_write(bp, phy,
  5351. MDIO_PMA_DEVAD,
  5352. MDIO_PMA_REG_8481_LED3_BLINK + adj,
  5353. 0);
  5354. bnx2x_cl45_read(bp, phy,
  5355. MDIO_PMA_DEVAD,
  5356. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val);
  5357. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5358. bnx2x_cl45_write(bp, phy,
  5359. MDIO_PMA_DEVAD,
  5360. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val);
  5361. /* 'Interrupt Mask' */
  5362. bnx2x_cl45_write(bp, phy,
  5363. MDIO_AN_DEVAD,
  5364. 0xFFFB, 0xFFFD);
  5365. }
  5366. static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5367. struct link_params *params,
  5368. struct link_vars *vars)
  5369. {
  5370. struct bnx2x *bp = params->bp;
  5371. u16 autoneg_val, an_1000_val, an_10_100_val;
  5372. /*
  5373. * This phy uses the NIG latch mechanism since link indication
  5374. * arrives through its LED4 and not via its LASI signal, so we
  5375. * get steady signal instead of clear on read
  5376. */
  5377. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5378. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5379. bnx2x_cl45_write(bp, phy,
  5380. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5381. bnx2x_848xx_set_led(bp, phy);
  5382. /* set 1000 speed advertisement */
  5383. bnx2x_cl45_read(bp, phy,
  5384. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5385. &an_1000_val);
  5386. bnx2x_ext_phy_set_pause(params, phy, vars);
  5387. bnx2x_cl45_read(bp, phy,
  5388. MDIO_AN_DEVAD,
  5389. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5390. &an_10_100_val);
  5391. bnx2x_cl45_read(bp, phy,
  5392. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5393. &autoneg_val);
  5394. /* Disable forced speed */
  5395. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5396. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5397. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5398. (phy->speed_cap_mask &
  5399. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5400. (phy->req_line_speed == SPEED_1000)) {
  5401. an_1000_val |= (1<<8);
  5402. autoneg_val |= (1<<9 | 1<<12);
  5403. if (phy->req_duplex == DUPLEX_FULL)
  5404. an_1000_val |= (1<<9);
  5405. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5406. } else
  5407. an_1000_val &= ~((1<<8) | (1<<9));
  5408. bnx2x_cl45_write(bp, phy,
  5409. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5410. an_1000_val);
  5411. /* set 10 speed advertisement */
  5412. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5413. (phy->speed_cap_mask &
  5414. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5415. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5416. an_10_100_val |= (1<<7);
  5417. /* Enable autoneg and restart autoneg for legacy speeds */
  5418. autoneg_val |= (1<<9 | 1<<12);
  5419. if (phy->req_duplex == DUPLEX_FULL)
  5420. an_10_100_val |= (1<<8);
  5421. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5422. }
  5423. /* set 10 speed advertisement */
  5424. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5425. (phy->speed_cap_mask &
  5426. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5427. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5428. an_10_100_val |= (1<<5);
  5429. autoneg_val |= (1<<9 | 1<<12);
  5430. if (phy->req_duplex == DUPLEX_FULL)
  5431. an_10_100_val |= (1<<6);
  5432. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5433. }
  5434. /* Only 10/100 are allowed to work in FORCE mode */
  5435. if (phy->req_line_speed == SPEED_100) {
  5436. autoneg_val |= (1<<13);
  5437. /* Enabled AUTO-MDIX when autoneg is disabled */
  5438. bnx2x_cl45_write(bp, phy,
  5439. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5440. (1<<15 | 1<<9 | 7<<0));
  5441. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5442. }
  5443. if (phy->req_line_speed == SPEED_10) {
  5444. /* Enabled AUTO-MDIX when autoneg is disabled */
  5445. bnx2x_cl45_write(bp, phy,
  5446. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5447. (1<<15 | 1<<9 | 7<<0));
  5448. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5449. }
  5450. bnx2x_cl45_write(bp, phy,
  5451. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5452. an_10_100_val);
  5453. if (phy->req_duplex == DUPLEX_FULL)
  5454. autoneg_val |= (1<<8);
  5455. bnx2x_cl45_write(bp, phy,
  5456. MDIO_AN_DEVAD,
  5457. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5458. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5459. (phy->speed_cap_mask &
  5460. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5461. (phy->req_line_speed == SPEED_10000)) {
  5462. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5463. /* Restart autoneg for 10G*/
  5464. bnx2x_cl45_write(bp, phy,
  5465. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5466. 0x3200);
  5467. } else if (phy->req_line_speed != SPEED_10 &&
  5468. phy->req_line_speed != SPEED_100) {
  5469. bnx2x_cl45_write(bp, phy,
  5470. MDIO_AN_DEVAD,
  5471. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5472. 1);
  5473. }
  5474. /* Save spirom version */
  5475. bnx2x_save_848xx_spirom_version(phy, params);
  5476. return 0;
  5477. }
  5478. static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5479. struct link_params *params,
  5480. struct link_vars *vars)
  5481. {
  5482. struct bnx2x *bp = params->bp;
  5483. /* Restore normal power mode*/
  5484. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5485. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5486. /* HW reset */
  5487. bnx2x_ext_phy_hw_reset(bp, params->port);
  5488. bnx2x_wait_reset_complete(bp, phy, params);
  5489. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5490. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5491. }
  5492. static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5493. struct link_params *params,
  5494. struct link_vars *vars)
  5495. {
  5496. struct bnx2x *bp = params->bp;
  5497. u8 port, initialize = 1;
  5498. u16 val, adj;
  5499. u16 temp;
  5500. u32 actual_phy_selection;
  5501. u8 rc = 0;
  5502. /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
  5503. adj = 0;
  5504. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5505. adj = 3;
  5506. msleep(1);
  5507. if (CHIP_IS_E2(bp))
  5508. port = BP_PATH(bp);
  5509. else
  5510. port = params->port;
  5511. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5512. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5513. port);
  5514. bnx2x_wait_reset_complete(bp, phy, params);
  5515. /* Wait for GPHY to come out of reset */
  5516. msleep(50);
  5517. /*
  5518. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5519. */
  5520. temp = vars->line_speed;
  5521. vars->line_speed = SPEED_10000;
  5522. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5523. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5524. vars->line_speed = temp;
  5525. /* Set dual-media configuration according to configuration */
  5526. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5527. MDIO_CTL_REG_84823_MEDIA + adj, &val);
  5528. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5529. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5530. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5531. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5532. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5533. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5534. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5535. actual_phy_selection = bnx2x_phy_selection(params);
  5536. switch (actual_phy_selection) {
  5537. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5538. /* Do nothing. Essentialy this is like the priority copper */
  5539. break;
  5540. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5541. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5542. break;
  5543. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5544. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5545. break;
  5546. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5547. /* Do nothing here. The first PHY won't be initialized at all */
  5548. break;
  5549. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5550. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5551. initialize = 0;
  5552. break;
  5553. }
  5554. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5555. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5556. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5557. MDIO_CTL_REG_84823_MEDIA + adj, val);
  5558. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5559. params->multi_phy_config, val);
  5560. if (initialize)
  5561. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5562. else
  5563. bnx2x_save_848xx_spirom_version(phy, params);
  5564. return rc;
  5565. }
  5566. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5567. struct link_params *params,
  5568. struct link_vars *vars)
  5569. {
  5570. struct bnx2x *bp = params->bp;
  5571. u16 val, val1, val2, adj;
  5572. u8 link_up = 0;
  5573. /* Reg offset adjustment for 84833 */
  5574. adj = 0;
  5575. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5576. adj = -1;
  5577. /* Check 10G-BaseT link status */
  5578. /* Check PMD signal ok */
  5579. bnx2x_cl45_read(bp, phy,
  5580. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5581. bnx2x_cl45_read(bp, phy,
  5582. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj,
  5583. &val2);
  5584. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5585. /* Check link 10G */
  5586. if (val2 & (1<<11)) {
  5587. vars->line_speed = SPEED_10000;
  5588. vars->duplex = DUPLEX_FULL;
  5589. link_up = 1;
  5590. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5591. } else { /* Check Legacy speed link */
  5592. u16 legacy_status, legacy_speed;
  5593. /* Enable expansion register 0x42 (Operation mode status) */
  5594. bnx2x_cl45_write(bp, phy,
  5595. MDIO_AN_DEVAD,
  5596. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5597. /* Get legacy speed operation status */
  5598. bnx2x_cl45_read(bp, phy,
  5599. MDIO_AN_DEVAD,
  5600. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5601. &legacy_status);
  5602. DP(NETIF_MSG_LINK, "Legacy speed status"
  5603. " = 0x%x\n", legacy_status);
  5604. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5605. if (link_up) {
  5606. legacy_speed = (legacy_status & (3<<9));
  5607. if (legacy_speed == (0<<9))
  5608. vars->line_speed = SPEED_10;
  5609. else if (legacy_speed == (1<<9))
  5610. vars->line_speed = SPEED_100;
  5611. else if (legacy_speed == (2<<9))
  5612. vars->line_speed = SPEED_1000;
  5613. else /* Should not happen */
  5614. vars->line_speed = 0;
  5615. if (legacy_status & (1<<8))
  5616. vars->duplex = DUPLEX_FULL;
  5617. else
  5618. vars->duplex = DUPLEX_HALF;
  5619. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5620. " is_duplex_full= %d\n", vars->line_speed,
  5621. (vars->duplex == DUPLEX_FULL));
  5622. /* Check legacy speed AN resolution */
  5623. bnx2x_cl45_read(bp, phy,
  5624. MDIO_AN_DEVAD,
  5625. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5626. &val);
  5627. if (val & (1<<5))
  5628. vars->link_status |=
  5629. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5630. bnx2x_cl45_read(bp, phy,
  5631. MDIO_AN_DEVAD,
  5632. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5633. &val);
  5634. if ((val & (1<<0)) == 0)
  5635. vars->link_status |=
  5636. LINK_STATUS_PARALLEL_DETECTION_USED;
  5637. }
  5638. }
  5639. if (link_up) {
  5640. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5641. vars->line_speed);
  5642. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5643. }
  5644. return link_up;
  5645. }
  5646. static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5647. {
  5648. u8 status = 0;
  5649. u32 spirom_ver;
  5650. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5651. status = bnx2x_format_ver(spirom_ver, str, len);
  5652. return status;
  5653. }
  5654. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5655. struct link_params *params)
  5656. {
  5657. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5658. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5659. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5660. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5661. }
  5662. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5663. struct link_params *params)
  5664. {
  5665. bnx2x_cl45_write(params->bp, phy,
  5666. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5667. bnx2x_cl45_write(params->bp, phy,
  5668. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5669. }
  5670. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5671. struct link_params *params)
  5672. {
  5673. struct bnx2x *bp = params->bp;
  5674. u8 port;
  5675. if (CHIP_IS_E2(bp))
  5676. port = BP_PATH(bp);
  5677. else
  5678. port = params->port;
  5679. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5680. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5681. port);
  5682. }
  5683. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5684. struct link_params *params, u8 mode)
  5685. {
  5686. struct bnx2x *bp = params->bp;
  5687. u16 val;
  5688. switch (mode) {
  5689. case LED_MODE_OFF:
  5690. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
  5691. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5692. SHARED_HW_CFG_LED_EXTPHY1) {
  5693. /* Set LED masks */
  5694. bnx2x_cl45_write(bp, phy,
  5695. MDIO_PMA_DEVAD,
  5696. MDIO_PMA_REG_8481_LED1_MASK,
  5697. 0x0);
  5698. bnx2x_cl45_write(bp, phy,
  5699. MDIO_PMA_DEVAD,
  5700. MDIO_PMA_REG_8481_LED2_MASK,
  5701. 0x0);
  5702. bnx2x_cl45_write(bp, phy,
  5703. MDIO_PMA_DEVAD,
  5704. MDIO_PMA_REG_8481_LED3_MASK,
  5705. 0x0);
  5706. bnx2x_cl45_write(bp, phy,
  5707. MDIO_PMA_DEVAD,
  5708. MDIO_PMA_REG_8481_LED5_MASK,
  5709. 0x0);
  5710. } else {
  5711. bnx2x_cl45_write(bp, phy,
  5712. MDIO_PMA_DEVAD,
  5713. MDIO_PMA_REG_8481_LED1_MASK,
  5714. 0x0);
  5715. }
  5716. break;
  5717. case LED_MODE_FRONT_PANEL_OFF:
  5718. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5719. params->port);
  5720. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5721. SHARED_HW_CFG_LED_EXTPHY1) {
  5722. /* Set LED masks */
  5723. bnx2x_cl45_write(bp, phy,
  5724. MDIO_PMA_DEVAD,
  5725. MDIO_PMA_REG_8481_LED1_MASK,
  5726. 0x0);
  5727. bnx2x_cl45_write(bp, phy,
  5728. MDIO_PMA_DEVAD,
  5729. MDIO_PMA_REG_8481_LED2_MASK,
  5730. 0x0);
  5731. bnx2x_cl45_write(bp, phy,
  5732. MDIO_PMA_DEVAD,
  5733. MDIO_PMA_REG_8481_LED3_MASK,
  5734. 0x0);
  5735. bnx2x_cl45_write(bp, phy,
  5736. MDIO_PMA_DEVAD,
  5737. MDIO_PMA_REG_8481_LED5_MASK,
  5738. 0x20);
  5739. } else {
  5740. bnx2x_cl45_write(bp, phy,
  5741. MDIO_PMA_DEVAD,
  5742. MDIO_PMA_REG_8481_LED1_MASK,
  5743. 0x0);
  5744. }
  5745. break;
  5746. case LED_MODE_ON:
  5747. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
  5748. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5749. SHARED_HW_CFG_LED_EXTPHY1) {
  5750. /* Set control reg */
  5751. bnx2x_cl45_read(bp, phy,
  5752. MDIO_PMA_DEVAD,
  5753. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5754. &val);
  5755. val &= 0x8000;
  5756. val |= 0x2492;
  5757. bnx2x_cl45_write(bp, phy,
  5758. MDIO_PMA_DEVAD,
  5759. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5760. val);
  5761. /* Set LED masks */
  5762. bnx2x_cl45_write(bp, phy,
  5763. MDIO_PMA_DEVAD,
  5764. MDIO_PMA_REG_8481_LED1_MASK,
  5765. 0x0);
  5766. bnx2x_cl45_write(bp, phy,
  5767. MDIO_PMA_DEVAD,
  5768. MDIO_PMA_REG_8481_LED2_MASK,
  5769. 0x20);
  5770. bnx2x_cl45_write(bp, phy,
  5771. MDIO_PMA_DEVAD,
  5772. MDIO_PMA_REG_8481_LED3_MASK,
  5773. 0x20);
  5774. bnx2x_cl45_write(bp, phy,
  5775. MDIO_PMA_DEVAD,
  5776. MDIO_PMA_REG_8481_LED5_MASK,
  5777. 0x0);
  5778. } else {
  5779. bnx2x_cl45_write(bp, phy,
  5780. MDIO_PMA_DEVAD,
  5781. MDIO_PMA_REG_8481_LED1_MASK,
  5782. 0x20);
  5783. }
  5784. break;
  5785. case LED_MODE_OPER:
  5786. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
  5787. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5788. SHARED_HW_CFG_LED_EXTPHY1) {
  5789. /* Set control reg */
  5790. bnx2x_cl45_read(bp, phy,
  5791. MDIO_PMA_DEVAD,
  5792. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5793. &val);
  5794. if (!((val &
  5795. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5796. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5797. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5798. bnx2x_cl45_write(bp, phy,
  5799. MDIO_PMA_DEVAD,
  5800. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5801. 0xa492);
  5802. }
  5803. /* Set LED masks */
  5804. bnx2x_cl45_write(bp, phy,
  5805. MDIO_PMA_DEVAD,
  5806. MDIO_PMA_REG_8481_LED1_MASK,
  5807. 0x10);
  5808. bnx2x_cl45_write(bp, phy,
  5809. MDIO_PMA_DEVAD,
  5810. MDIO_PMA_REG_8481_LED2_MASK,
  5811. 0x80);
  5812. bnx2x_cl45_write(bp, phy,
  5813. MDIO_PMA_DEVAD,
  5814. MDIO_PMA_REG_8481_LED3_MASK,
  5815. 0x98);
  5816. bnx2x_cl45_write(bp, phy,
  5817. MDIO_PMA_DEVAD,
  5818. MDIO_PMA_REG_8481_LED5_MASK,
  5819. 0x40);
  5820. } else {
  5821. bnx2x_cl45_write(bp, phy,
  5822. MDIO_PMA_DEVAD,
  5823. MDIO_PMA_REG_8481_LED1_MASK,
  5824. 0x80);
  5825. /* Tell LED3 to blink on source */
  5826. bnx2x_cl45_read(bp, phy,
  5827. MDIO_PMA_DEVAD,
  5828. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5829. &val);
  5830. val &= ~(7<<6);
  5831. val |= (1<<6); /* A83B[8:6]= 1 */
  5832. bnx2x_cl45_write(bp, phy,
  5833. MDIO_PMA_DEVAD,
  5834. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5835. val);
  5836. }
  5837. break;
  5838. }
  5839. }
  5840. /******************************************************************/
  5841. /* SFX7101 PHY SECTION */
  5842. /******************************************************************/
  5843. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  5844. struct link_params *params)
  5845. {
  5846. struct bnx2x *bp = params->bp;
  5847. /* SFX7101_XGXS_TEST1 */
  5848. bnx2x_cl45_write(bp, phy,
  5849. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  5850. }
  5851. static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
  5852. struct link_params *params,
  5853. struct link_vars *vars)
  5854. {
  5855. u16 fw_ver1, fw_ver2, val;
  5856. struct bnx2x *bp = params->bp;
  5857. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  5858. /* Restore normal power mode*/
  5859. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5860. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5861. /* HW reset */
  5862. bnx2x_ext_phy_hw_reset(bp, params->port);
  5863. bnx2x_wait_reset_complete(bp, phy, params);
  5864. bnx2x_cl45_write(bp, phy,
  5865. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  5866. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  5867. bnx2x_cl45_write(bp, phy,
  5868. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  5869. bnx2x_ext_phy_set_pause(params, phy, vars);
  5870. /* Restart autoneg */
  5871. bnx2x_cl45_read(bp, phy,
  5872. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  5873. val |= 0x200;
  5874. bnx2x_cl45_write(bp, phy,
  5875. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  5876. /* Save spirom version */
  5877. bnx2x_cl45_read(bp, phy,
  5878. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  5879. bnx2x_cl45_read(bp, phy,
  5880. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  5881. bnx2x_save_spirom_version(bp, params->port,
  5882. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  5883. return 0;
  5884. }
  5885. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  5886. struct link_params *params,
  5887. struct link_vars *vars)
  5888. {
  5889. struct bnx2x *bp = params->bp;
  5890. u8 link_up;
  5891. u16 val1, val2;
  5892. bnx2x_cl45_read(bp, phy,
  5893. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  5894. bnx2x_cl45_read(bp, phy,
  5895. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5896. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  5897. val2, val1);
  5898. bnx2x_cl45_read(bp, phy,
  5899. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  5900. bnx2x_cl45_read(bp, phy,
  5901. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  5902. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  5903. val2, val1);
  5904. link_up = ((val1 & 4) == 4);
  5905. /* if link is up print the AN outcome of the SFX7101 PHY */
  5906. if (link_up) {
  5907. bnx2x_cl45_read(bp, phy,
  5908. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  5909. &val2);
  5910. vars->line_speed = SPEED_10000;
  5911. vars->duplex = DUPLEX_FULL;
  5912. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  5913. val2, (val2 & (1<<14)));
  5914. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5915. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5916. }
  5917. return link_up;
  5918. }
  5919. static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5920. {
  5921. if (*len < 5)
  5922. return -EINVAL;
  5923. str[0] = (spirom_ver & 0xFF);
  5924. str[1] = (spirom_ver & 0xFF00) >> 8;
  5925. str[2] = (spirom_ver & 0xFF0000) >> 16;
  5926. str[3] = (spirom_ver & 0xFF000000) >> 24;
  5927. str[4] = '\0';
  5928. *len -= 5;
  5929. return 0;
  5930. }
  5931. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  5932. {
  5933. u16 val, cnt;
  5934. bnx2x_cl45_read(bp, phy,
  5935. MDIO_PMA_DEVAD,
  5936. MDIO_PMA_REG_7101_RESET, &val);
  5937. for (cnt = 0; cnt < 10; cnt++) {
  5938. msleep(50);
  5939. /* Writes a self-clearing reset */
  5940. bnx2x_cl45_write(bp, phy,
  5941. MDIO_PMA_DEVAD,
  5942. MDIO_PMA_REG_7101_RESET,
  5943. (val | (1<<15)));
  5944. /* Wait for clear */
  5945. bnx2x_cl45_read(bp, phy,
  5946. MDIO_PMA_DEVAD,
  5947. MDIO_PMA_REG_7101_RESET, &val);
  5948. if ((val & (1<<15)) == 0)
  5949. break;
  5950. }
  5951. }
  5952. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  5953. struct link_params *params) {
  5954. /* Low power mode is controlled by GPIO 2 */
  5955. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  5956. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5957. /* The PHY reset is controlled by GPIO 1 */
  5958. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5959. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5960. }
  5961. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  5962. struct link_params *params, u8 mode)
  5963. {
  5964. u16 val = 0;
  5965. struct bnx2x *bp = params->bp;
  5966. switch (mode) {
  5967. case LED_MODE_FRONT_PANEL_OFF:
  5968. case LED_MODE_OFF:
  5969. val = 2;
  5970. break;
  5971. case LED_MODE_ON:
  5972. val = 1;
  5973. break;
  5974. case LED_MODE_OPER:
  5975. val = 0;
  5976. break;
  5977. }
  5978. bnx2x_cl45_write(bp, phy,
  5979. MDIO_PMA_DEVAD,
  5980. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  5981. val);
  5982. }
  5983. /******************************************************************/
  5984. /* STATIC PHY DECLARATION */
  5985. /******************************************************************/
  5986. static struct bnx2x_phy phy_null = {
  5987. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  5988. .addr = 0,
  5989. .flags = FLAGS_INIT_XGXS_FIRST,
  5990. .def_md_devad = 0,
  5991. .reserved = 0,
  5992. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  5993. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  5994. .mdio_ctrl = 0,
  5995. .supported = 0,
  5996. .media_type = ETH_PHY_NOT_PRESENT,
  5997. .ver_addr = 0,
  5998. .req_flow_ctrl = 0,
  5999. .req_line_speed = 0,
  6000. .speed_cap_mask = 0,
  6001. .req_duplex = 0,
  6002. .rsrv = 0,
  6003. .config_init = (config_init_t)NULL,
  6004. .read_status = (read_status_t)NULL,
  6005. .link_reset = (link_reset_t)NULL,
  6006. .config_loopback = (config_loopback_t)NULL,
  6007. .format_fw_ver = (format_fw_ver_t)NULL,
  6008. .hw_reset = (hw_reset_t)NULL,
  6009. .set_link_led = (set_link_led_t)NULL,
  6010. .phy_specific_func = (phy_specific_func_t)NULL
  6011. };
  6012. static struct bnx2x_phy phy_serdes = {
  6013. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6014. .addr = 0xff,
  6015. .flags = 0,
  6016. .def_md_devad = 0,
  6017. .reserved = 0,
  6018. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6019. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6020. .mdio_ctrl = 0,
  6021. .supported = (SUPPORTED_10baseT_Half |
  6022. SUPPORTED_10baseT_Full |
  6023. SUPPORTED_100baseT_Half |
  6024. SUPPORTED_100baseT_Full |
  6025. SUPPORTED_1000baseT_Full |
  6026. SUPPORTED_2500baseX_Full |
  6027. SUPPORTED_TP |
  6028. SUPPORTED_Autoneg |
  6029. SUPPORTED_Pause |
  6030. SUPPORTED_Asym_Pause),
  6031. .media_type = ETH_PHY_UNSPECIFIED,
  6032. .ver_addr = 0,
  6033. .req_flow_ctrl = 0,
  6034. .req_line_speed = 0,
  6035. .speed_cap_mask = 0,
  6036. .req_duplex = 0,
  6037. .rsrv = 0,
  6038. .config_init = (config_init_t)bnx2x_init_serdes,
  6039. .read_status = (read_status_t)bnx2x_link_settings_status,
  6040. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6041. .config_loopback = (config_loopback_t)NULL,
  6042. .format_fw_ver = (format_fw_ver_t)NULL,
  6043. .hw_reset = (hw_reset_t)NULL,
  6044. .set_link_led = (set_link_led_t)NULL,
  6045. .phy_specific_func = (phy_specific_func_t)NULL
  6046. };
  6047. static struct bnx2x_phy phy_xgxs = {
  6048. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6049. .addr = 0xff,
  6050. .flags = 0,
  6051. .def_md_devad = 0,
  6052. .reserved = 0,
  6053. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6054. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6055. .mdio_ctrl = 0,
  6056. .supported = (SUPPORTED_10baseT_Half |
  6057. SUPPORTED_10baseT_Full |
  6058. SUPPORTED_100baseT_Half |
  6059. SUPPORTED_100baseT_Full |
  6060. SUPPORTED_1000baseT_Full |
  6061. SUPPORTED_2500baseX_Full |
  6062. SUPPORTED_10000baseT_Full |
  6063. SUPPORTED_FIBRE |
  6064. SUPPORTED_Autoneg |
  6065. SUPPORTED_Pause |
  6066. SUPPORTED_Asym_Pause),
  6067. .media_type = ETH_PHY_UNSPECIFIED,
  6068. .ver_addr = 0,
  6069. .req_flow_ctrl = 0,
  6070. .req_line_speed = 0,
  6071. .speed_cap_mask = 0,
  6072. .req_duplex = 0,
  6073. .rsrv = 0,
  6074. .config_init = (config_init_t)bnx2x_init_xgxs,
  6075. .read_status = (read_status_t)bnx2x_link_settings_status,
  6076. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6077. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6078. .format_fw_ver = (format_fw_ver_t)NULL,
  6079. .hw_reset = (hw_reset_t)NULL,
  6080. .set_link_led = (set_link_led_t)NULL,
  6081. .phy_specific_func = (phy_specific_func_t)NULL
  6082. };
  6083. static struct bnx2x_phy phy_7101 = {
  6084. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6085. .addr = 0xff,
  6086. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6087. .def_md_devad = 0,
  6088. .reserved = 0,
  6089. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6090. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6091. .mdio_ctrl = 0,
  6092. .supported = (SUPPORTED_10000baseT_Full |
  6093. SUPPORTED_TP |
  6094. SUPPORTED_Autoneg |
  6095. SUPPORTED_Pause |
  6096. SUPPORTED_Asym_Pause),
  6097. .media_type = ETH_PHY_BASE_T,
  6098. .ver_addr = 0,
  6099. .req_flow_ctrl = 0,
  6100. .req_line_speed = 0,
  6101. .speed_cap_mask = 0,
  6102. .req_duplex = 0,
  6103. .rsrv = 0,
  6104. .config_init = (config_init_t)bnx2x_7101_config_init,
  6105. .read_status = (read_status_t)bnx2x_7101_read_status,
  6106. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6107. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6108. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6109. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6110. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6111. .phy_specific_func = (phy_specific_func_t)NULL
  6112. };
  6113. static struct bnx2x_phy phy_8073 = {
  6114. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6115. .addr = 0xff,
  6116. .flags = FLAGS_HW_LOCK_REQUIRED,
  6117. .def_md_devad = 0,
  6118. .reserved = 0,
  6119. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6120. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6121. .mdio_ctrl = 0,
  6122. .supported = (SUPPORTED_10000baseT_Full |
  6123. SUPPORTED_2500baseX_Full |
  6124. SUPPORTED_1000baseT_Full |
  6125. SUPPORTED_FIBRE |
  6126. SUPPORTED_Autoneg |
  6127. SUPPORTED_Pause |
  6128. SUPPORTED_Asym_Pause),
  6129. .media_type = ETH_PHY_UNSPECIFIED,
  6130. .ver_addr = 0,
  6131. .req_flow_ctrl = 0,
  6132. .req_line_speed = 0,
  6133. .speed_cap_mask = 0,
  6134. .req_duplex = 0,
  6135. .rsrv = 0,
  6136. .config_init = (config_init_t)bnx2x_8073_config_init,
  6137. .read_status = (read_status_t)bnx2x_8073_read_status,
  6138. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6139. .config_loopback = (config_loopback_t)NULL,
  6140. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6141. .hw_reset = (hw_reset_t)NULL,
  6142. .set_link_led = (set_link_led_t)NULL,
  6143. .phy_specific_func = (phy_specific_func_t)NULL
  6144. };
  6145. static struct bnx2x_phy phy_8705 = {
  6146. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6147. .addr = 0xff,
  6148. .flags = FLAGS_INIT_XGXS_FIRST,
  6149. .def_md_devad = 0,
  6150. .reserved = 0,
  6151. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6152. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6153. .mdio_ctrl = 0,
  6154. .supported = (SUPPORTED_10000baseT_Full |
  6155. SUPPORTED_FIBRE |
  6156. SUPPORTED_Pause |
  6157. SUPPORTED_Asym_Pause),
  6158. .media_type = ETH_PHY_XFP_FIBER,
  6159. .ver_addr = 0,
  6160. .req_flow_ctrl = 0,
  6161. .req_line_speed = 0,
  6162. .speed_cap_mask = 0,
  6163. .req_duplex = 0,
  6164. .rsrv = 0,
  6165. .config_init = (config_init_t)bnx2x_8705_config_init,
  6166. .read_status = (read_status_t)bnx2x_8705_read_status,
  6167. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6168. .config_loopback = (config_loopback_t)NULL,
  6169. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6170. .hw_reset = (hw_reset_t)NULL,
  6171. .set_link_led = (set_link_led_t)NULL,
  6172. .phy_specific_func = (phy_specific_func_t)NULL
  6173. };
  6174. static struct bnx2x_phy phy_8706 = {
  6175. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6176. .addr = 0xff,
  6177. .flags = FLAGS_INIT_XGXS_FIRST,
  6178. .def_md_devad = 0,
  6179. .reserved = 0,
  6180. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6181. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6182. .mdio_ctrl = 0,
  6183. .supported = (SUPPORTED_10000baseT_Full |
  6184. SUPPORTED_1000baseT_Full |
  6185. SUPPORTED_FIBRE |
  6186. SUPPORTED_Pause |
  6187. SUPPORTED_Asym_Pause),
  6188. .media_type = ETH_PHY_SFP_FIBER,
  6189. .ver_addr = 0,
  6190. .req_flow_ctrl = 0,
  6191. .req_line_speed = 0,
  6192. .speed_cap_mask = 0,
  6193. .req_duplex = 0,
  6194. .rsrv = 0,
  6195. .config_init = (config_init_t)bnx2x_8706_config_init,
  6196. .read_status = (read_status_t)bnx2x_8706_read_status,
  6197. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6198. .config_loopback = (config_loopback_t)NULL,
  6199. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6200. .hw_reset = (hw_reset_t)NULL,
  6201. .set_link_led = (set_link_led_t)NULL,
  6202. .phy_specific_func = (phy_specific_func_t)NULL
  6203. };
  6204. static struct bnx2x_phy phy_8726 = {
  6205. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6206. .addr = 0xff,
  6207. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6208. FLAGS_INIT_XGXS_FIRST),
  6209. .def_md_devad = 0,
  6210. .reserved = 0,
  6211. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6212. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6213. .mdio_ctrl = 0,
  6214. .supported = (SUPPORTED_10000baseT_Full |
  6215. SUPPORTED_1000baseT_Full |
  6216. SUPPORTED_Autoneg |
  6217. SUPPORTED_FIBRE |
  6218. SUPPORTED_Pause |
  6219. SUPPORTED_Asym_Pause),
  6220. .media_type = ETH_PHY_SFP_FIBER,
  6221. .ver_addr = 0,
  6222. .req_flow_ctrl = 0,
  6223. .req_line_speed = 0,
  6224. .speed_cap_mask = 0,
  6225. .req_duplex = 0,
  6226. .rsrv = 0,
  6227. .config_init = (config_init_t)bnx2x_8726_config_init,
  6228. .read_status = (read_status_t)bnx2x_8726_read_status,
  6229. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6230. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6231. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6232. .hw_reset = (hw_reset_t)NULL,
  6233. .set_link_led = (set_link_led_t)NULL,
  6234. .phy_specific_func = (phy_specific_func_t)NULL
  6235. };
  6236. static struct bnx2x_phy phy_8727 = {
  6237. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6238. .addr = 0xff,
  6239. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6240. .def_md_devad = 0,
  6241. .reserved = 0,
  6242. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6243. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6244. .mdio_ctrl = 0,
  6245. .supported = (SUPPORTED_10000baseT_Full |
  6246. SUPPORTED_1000baseT_Full |
  6247. SUPPORTED_FIBRE |
  6248. SUPPORTED_Pause |
  6249. SUPPORTED_Asym_Pause),
  6250. .media_type = ETH_PHY_SFP_FIBER,
  6251. .ver_addr = 0,
  6252. .req_flow_ctrl = 0,
  6253. .req_line_speed = 0,
  6254. .speed_cap_mask = 0,
  6255. .req_duplex = 0,
  6256. .rsrv = 0,
  6257. .config_init = (config_init_t)bnx2x_8727_config_init,
  6258. .read_status = (read_status_t)bnx2x_8727_read_status,
  6259. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6260. .config_loopback = (config_loopback_t)NULL,
  6261. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6262. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6263. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6264. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6265. };
  6266. static struct bnx2x_phy phy_8481 = {
  6267. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6268. .addr = 0xff,
  6269. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6270. FLAGS_REARM_LATCH_SIGNAL,
  6271. .def_md_devad = 0,
  6272. .reserved = 0,
  6273. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6274. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6275. .mdio_ctrl = 0,
  6276. .supported = (SUPPORTED_10baseT_Half |
  6277. SUPPORTED_10baseT_Full |
  6278. SUPPORTED_100baseT_Half |
  6279. SUPPORTED_100baseT_Full |
  6280. SUPPORTED_1000baseT_Full |
  6281. SUPPORTED_10000baseT_Full |
  6282. SUPPORTED_TP |
  6283. SUPPORTED_Autoneg |
  6284. SUPPORTED_Pause |
  6285. SUPPORTED_Asym_Pause),
  6286. .media_type = ETH_PHY_BASE_T,
  6287. .ver_addr = 0,
  6288. .req_flow_ctrl = 0,
  6289. .req_line_speed = 0,
  6290. .speed_cap_mask = 0,
  6291. .req_duplex = 0,
  6292. .rsrv = 0,
  6293. .config_init = (config_init_t)bnx2x_8481_config_init,
  6294. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6295. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6296. .config_loopback = (config_loopback_t)NULL,
  6297. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6298. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6299. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6300. .phy_specific_func = (phy_specific_func_t)NULL
  6301. };
  6302. static struct bnx2x_phy phy_84823 = {
  6303. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6304. .addr = 0xff,
  6305. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6306. FLAGS_REARM_LATCH_SIGNAL,
  6307. .def_md_devad = 0,
  6308. .reserved = 0,
  6309. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6310. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6311. .mdio_ctrl = 0,
  6312. .supported = (SUPPORTED_10baseT_Half |
  6313. SUPPORTED_10baseT_Full |
  6314. SUPPORTED_100baseT_Half |
  6315. SUPPORTED_100baseT_Full |
  6316. SUPPORTED_1000baseT_Full |
  6317. SUPPORTED_10000baseT_Full |
  6318. SUPPORTED_TP |
  6319. SUPPORTED_Autoneg |
  6320. SUPPORTED_Pause |
  6321. SUPPORTED_Asym_Pause),
  6322. .media_type = ETH_PHY_BASE_T,
  6323. .ver_addr = 0,
  6324. .req_flow_ctrl = 0,
  6325. .req_line_speed = 0,
  6326. .speed_cap_mask = 0,
  6327. .req_duplex = 0,
  6328. .rsrv = 0,
  6329. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6330. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6331. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6332. .config_loopback = (config_loopback_t)NULL,
  6333. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6334. .hw_reset = (hw_reset_t)NULL,
  6335. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6336. .phy_specific_func = (phy_specific_func_t)NULL
  6337. };
  6338. static struct bnx2x_phy phy_84833 = {
  6339. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6340. .addr = 0xff,
  6341. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6342. FLAGS_REARM_LATCH_SIGNAL,
  6343. .def_md_devad = 0,
  6344. .reserved = 0,
  6345. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6346. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6347. .mdio_ctrl = 0,
  6348. .supported = (SUPPORTED_10baseT_Half |
  6349. SUPPORTED_10baseT_Full |
  6350. SUPPORTED_100baseT_Half |
  6351. SUPPORTED_100baseT_Full |
  6352. SUPPORTED_1000baseT_Full |
  6353. SUPPORTED_10000baseT_Full |
  6354. SUPPORTED_TP |
  6355. SUPPORTED_Autoneg |
  6356. SUPPORTED_Pause |
  6357. SUPPORTED_Asym_Pause),
  6358. .media_type = ETH_PHY_BASE_T,
  6359. .ver_addr = 0,
  6360. .req_flow_ctrl = 0,
  6361. .req_line_speed = 0,
  6362. .speed_cap_mask = 0,
  6363. .req_duplex = 0,
  6364. .rsrv = 0,
  6365. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6366. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6367. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6368. .config_loopback = (config_loopback_t)NULL,
  6369. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6370. .hw_reset = (hw_reset_t)NULL,
  6371. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6372. .phy_specific_func = (phy_specific_func_t)NULL
  6373. };
  6374. /*****************************************************************/
  6375. /* */
  6376. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6377. /* */
  6378. /*****************************************************************/
  6379. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6380. struct bnx2x_phy *phy, u8 port,
  6381. u8 phy_index)
  6382. {
  6383. /* Get the 4 lanes xgxs config rx and tx */
  6384. u32 rx = 0, tx = 0, i;
  6385. for (i = 0; i < 2; i++) {
  6386. /*
  6387. * INT_PHY and EXT_PHY1 share the same value location in the
  6388. * shmem. When num_phys is greater than 1, than this value
  6389. * applies only to EXT_PHY1
  6390. */
  6391. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6392. rx = REG_RD(bp, shmem_base +
  6393. offsetof(struct shmem_region,
  6394. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6395. tx = REG_RD(bp, shmem_base +
  6396. offsetof(struct shmem_region,
  6397. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6398. } else {
  6399. rx = REG_RD(bp, shmem_base +
  6400. offsetof(struct shmem_region,
  6401. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6402. tx = REG_RD(bp, shmem_base +
  6403. offsetof(struct shmem_region,
  6404. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6405. }
  6406. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6407. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6408. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6409. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6410. }
  6411. }
  6412. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6413. u8 phy_index, u8 port)
  6414. {
  6415. u32 ext_phy_config = 0;
  6416. switch (phy_index) {
  6417. case EXT_PHY1:
  6418. ext_phy_config = REG_RD(bp, shmem_base +
  6419. offsetof(struct shmem_region,
  6420. dev_info.port_hw_config[port].external_phy_config));
  6421. break;
  6422. case EXT_PHY2:
  6423. ext_phy_config = REG_RD(bp, shmem_base +
  6424. offsetof(struct shmem_region,
  6425. dev_info.port_hw_config[port].external_phy_config2));
  6426. break;
  6427. default:
  6428. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6429. return -EINVAL;
  6430. }
  6431. return ext_phy_config;
  6432. }
  6433. static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6434. struct bnx2x_phy *phy)
  6435. {
  6436. u32 phy_addr;
  6437. u32 chip_id;
  6438. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6439. offsetof(struct shmem_region,
  6440. dev_info.port_feature_config[port].link_config)) &
  6441. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6442. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6443. switch (switch_cfg) {
  6444. case SWITCH_CFG_1G:
  6445. phy_addr = REG_RD(bp,
  6446. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6447. port * 0x10);
  6448. *phy = phy_serdes;
  6449. break;
  6450. case SWITCH_CFG_10G:
  6451. phy_addr = REG_RD(bp,
  6452. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6453. port * 0x18);
  6454. *phy = phy_xgxs;
  6455. break;
  6456. default:
  6457. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6458. return -EINVAL;
  6459. }
  6460. phy->addr = (u8)phy_addr;
  6461. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6462. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6463. port);
  6464. if (CHIP_IS_E2(bp))
  6465. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6466. else
  6467. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6468. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6469. port, phy->addr, phy->mdio_ctrl);
  6470. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6471. return 0;
  6472. }
  6473. static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
  6474. u8 phy_index,
  6475. u32 shmem_base,
  6476. u32 shmem2_base,
  6477. u8 port,
  6478. struct bnx2x_phy *phy)
  6479. {
  6480. u32 ext_phy_config, phy_type, config2;
  6481. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6482. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6483. phy_index, port);
  6484. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6485. /* Select the phy type */
  6486. switch (phy_type) {
  6487. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6488. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6489. *phy = phy_8073;
  6490. break;
  6491. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6492. *phy = phy_8705;
  6493. break;
  6494. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6495. *phy = phy_8706;
  6496. break;
  6497. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6498. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6499. *phy = phy_8726;
  6500. break;
  6501. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6502. /* BCM8727_NOC => BCM8727 no over current */
  6503. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6504. *phy = phy_8727;
  6505. phy->flags |= FLAGS_NOC;
  6506. break;
  6507. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6508. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6509. *phy = phy_8727;
  6510. break;
  6511. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6512. *phy = phy_8481;
  6513. break;
  6514. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6515. *phy = phy_84823;
  6516. break;
  6517. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6518. *phy = phy_84833;
  6519. break;
  6520. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6521. *phy = phy_7101;
  6522. break;
  6523. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6524. *phy = phy_null;
  6525. return -EINVAL;
  6526. default:
  6527. *phy = phy_null;
  6528. return 0;
  6529. }
  6530. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6531. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6532. /*
  6533. * The shmem address of the phy version is located on different
  6534. * structures. In case this structure is too old, do not set
  6535. * the address
  6536. */
  6537. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6538. dev_info.shared_hw_config.config2));
  6539. if (phy_index == EXT_PHY1) {
  6540. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6541. port_mb[port].ext_phy_fw_version);
  6542. /* Check specific mdc mdio settings */
  6543. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6544. mdc_mdio_access = config2 &
  6545. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6546. } else {
  6547. u32 size = REG_RD(bp, shmem2_base);
  6548. if (size >
  6549. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6550. phy->ver_addr = shmem2_base +
  6551. offsetof(struct shmem2_region,
  6552. ext_phy_fw_version2[port]);
  6553. }
  6554. /* Check specific mdc mdio settings */
  6555. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6556. mdc_mdio_access = (config2 &
  6557. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6558. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6559. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6560. }
  6561. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6562. /*
  6563. * In case mdc/mdio_access of the external phy is different than the
  6564. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6565. * to prevent one port interfere with another port's CL45 operations.
  6566. */
  6567. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6568. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6569. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6570. phy_type, port, phy_index);
  6571. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6572. phy->addr, phy->mdio_ctrl);
  6573. return 0;
  6574. }
  6575. static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6576. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6577. {
  6578. u8 status = 0;
  6579. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6580. if (phy_index == INT_PHY)
  6581. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6582. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6583. port, phy);
  6584. return status;
  6585. }
  6586. static void bnx2x_phy_def_cfg(struct link_params *params,
  6587. struct bnx2x_phy *phy,
  6588. u8 phy_index)
  6589. {
  6590. struct bnx2x *bp = params->bp;
  6591. u32 link_config;
  6592. /* Populate the default phy configuration for MF mode */
  6593. if (phy_index == EXT_PHY2) {
  6594. link_config = REG_RD(bp, params->shmem_base +
  6595. offsetof(struct shmem_region, dev_info.
  6596. port_feature_config[params->port].link_config2));
  6597. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6598. offsetof(struct shmem_region,
  6599. dev_info.
  6600. port_hw_config[params->port].speed_capability_mask2));
  6601. } else {
  6602. link_config = REG_RD(bp, params->shmem_base +
  6603. offsetof(struct shmem_region, dev_info.
  6604. port_feature_config[params->port].link_config));
  6605. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6606. offsetof(struct shmem_region,
  6607. dev_info.
  6608. port_hw_config[params->port].speed_capability_mask));
  6609. }
  6610. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6611. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6612. phy->req_duplex = DUPLEX_FULL;
  6613. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6614. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6615. phy->req_duplex = DUPLEX_HALF;
  6616. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6617. phy->req_line_speed = SPEED_10;
  6618. break;
  6619. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6620. phy->req_duplex = DUPLEX_HALF;
  6621. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6622. phy->req_line_speed = SPEED_100;
  6623. break;
  6624. case PORT_FEATURE_LINK_SPEED_1G:
  6625. phy->req_line_speed = SPEED_1000;
  6626. break;
  6627. case PORT_FEATURE_LINK_SPEED_2_5G:
  6628. phy->req_line_speed = SPEED_2500;
  6629. break;
  6630. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6631. phy->req_line_speed = SPEED_10000;
  6632. break;
  6633. default:
  6634. phy->req_line_speed = SPEED_AUTO_NEG;
  6635. break;
  6636. }
  6637. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6638. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6639. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6640. break;
  6641. case PORT_FEATURE_FLOW_CONTROL_TX:
  6642. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6643. break;
  6644. case PORT_FEATURE_FLOW_CONTROL_RX:
  6645. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6646. break;
  6647. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6648. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6649. break;
  6650. default:
  6651. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6652. break;
  6653. }
  6654. }
  6655. u32 bnx2x_phy_selection(struct link_params *params)
  6656. {
  6657. u32 phy_config_swapped, prio_cfg;
  6658. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6659. phy_config_swapped = params->multi_phy_config &
  6660. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6661. prio_cfg = params->multi_phy_config &
  6662. PORT_HW_CFG_PHY_SELECTION_MASK;
  6663. if (phy_config_swapped) {
  6664. switch (prio_cfg) {
  6665. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6666. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6667. break;
  6668. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6669. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6670. break;
  6671. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6672. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6673. break;
  6674. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6675. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6676. break;
  6677. }
  6678. } else
  6679. return_cfg = prio_cfg;
  6680. return return_cfg;
  6681. }
  6682. u8 bnx2x_phy_probe(struct link_params *params)
  6683. {
  6684. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6685. u32 phy_config_swapped;
  6686. struct bnx2x *bp = params->bp;
  6687. struct bnx2x_phy *phy;
  6688. params->num_phys = 0;
  6689. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6690. phy_config_swapped = params->multi_phy_config &
  6691. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6692. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6693. phy_index++) {
  6694. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6695. actual_phy_idx = phy_index;
  6696. if (phy_config_swapped) {
  6697. if (phy_index == EXT_PHY1)
  6698. actual_phy_idx = EXT_PHY2;
  6699. else if (phy_index == EXT_PHY2)
  6700. actual_phy_idx = EXT_PHY1;
  6701. }
  6702. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6703. " actual_phy_idx %x\n", phy_config_swapped,
  6704. phy_index, actual_phy_idx);
  6705. phy = &params->phy[actual_phy_idx];
  6706. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6707. params->shmem2_base, params->port,
  6708. phy) != 0) {
  6709. params->num_phys = 0;
  6710. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6711. phy_index);
  6712. for (phy_index = INT_PHY;
  6713. phy_index < MAX_PHYS;
  6714. phy_index++)
  6715. *phy = phy_null;
  6716. return -EINVAL;
  6717. }
  6718. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6719. break;
  6720. bnx2x_phy_def_cfg(params, phy, phy_index);
  6721. params->num_phys++;
  6722. }
  6723. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6724. return 0;
  6725. }
  6726. static void set_phy_vars(struct link_params *params)
  6727. {
  6728. struct bnx2x *bp = params->bp;
  6729. u8 actual_phy_idx, phy_index, link_cfg_idx;
  6730. u8 phy_config_swapped = params->multi_phy_config &
  6731. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6732. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6733. phy_index++) {
  6734. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6735. actual_phy_idx = phy_index;
  6736. if (phy_config_swapped) {
  6737. if (phy_index == EXT_PHY1)
  6738. actual_phy_idx = EXT_PHY2;
  6739. else if (phy_index == EXT_PHY2)
  6740. actual_phy_idx = EXT_PHY1;
  6741. }
  6742. params->phy[actual_phy_idx].req_flow_ctrl =
  6743. params->req_flow_ctrl[link_cfg_idx];
  6744. params->phy[actual_phy_idx].req_line_speed =
  6745. params->req_line_speed[link_cfg_idx];
  6746. params->phy[actual_phy_idx].speed_cap_mask =
  6747. params->speed_cap_mask[link_cfg_idx];
  6748. params->phy[actual_phy_idx].req_duplex =
  6749. params->req_duplex[link_cfg_idx];
  6750. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  6751. " speed_cap_mask %x\n",
  6752. params->phy[actual_phy_idx].req_flow_ctrl,
  6753. params->phy[actual_phy_idx].req_line_speed,
  6754. params->phy[actual_phy_idx].speed_cap_mask);
  6755. }
  6756. }
  6757. u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  6758. {
  6759. struct bnx2x *bp = params->bp;
  6760. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  6761. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  6762. params->req_line_speed[0], params->req_flow_ctrl[0]);
  6763. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  6764. params->req_line_speed[1], params->req_flow_ctrl[1]);
  6765. vars->link_status = 0;
  6766. vars->phy_link_up = 0;
  6767. vars->link_up = 0;
  6768. vars->line_speed = 0;
  6769. vars->duplex = DUPLEX_FULL;
  6770. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6771. vars->mac_type = MAC_TYPE_NONE;
  6772. vars->phy_flags = 0;
  6773. /* disable attentions */
  6774. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  6775. (NIG_MASK_XGXS0_LINK_STATUS |
  6776. NIG_MASK_XGXS0_LINK10G |
  6777. NIG_MASK_SERDES0_LINK_STATUS |
  6778. NIG_MASK_MI_INT));
  6779. bnx2x_emac_init(params, vars);
  6780. if (params->num_phys == 0) {
  6781. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  6782. return -EINVAL;
  6783. }
  6784. set_phy_vars(params);
  6785. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  6786. if (CHIP_REV_IS_FPGA(bp)) {
  6787. vars->link_up = 1;
  6788. vars->line_speed = SPEED_10000;
  6789. vars->duplex = DUPLEX_FULL;
  6790. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6791. vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
  6792. /* enable on E1.5 FPGA */
  6793. if (CHIP_IS_E1H(bp)) {
  6794. vars->flow_ctrl |=
  6795. (BNX2X_FLOW_CTRL_TX |
  6796. BNX2X_FLOW_CTRL_RX);
  6797. vars->link_status |=
  6798. (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
  6799. LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
  6800. }
  6801. bnx2x_emac_enable(params, vars, 0);
  6802. if (!(CHIP_IS_E2(bp)))
  6803. bnx2x_pbf_update(params, vars->flow_ctrl,
  6804. vars->line_speed);
  6805. /* disable drain */
  6806. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6807. /* update shared memory */
  6808. bnx2x_update_mng(params, vars->link_status);
  6809. return 0;
  6810. } else
  6811. if (CHIP_REV_IS_EMUL(bp)) {
  6812. vars->link_up = 1;
  6813. vars->line_speed = SPEED_10000;
  6814. vars->duplex = DUPLEX_FULL;
  6815. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6816. vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
  6817. bnx2x_bmac_enable(params, vars, 0);
  6818. bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
  6819. /* Disable drain */
  6820. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
  6821. + params->port*4, 0);
  6822. /* update shared memory */
  6823. bnx2x_update_mng(params, vars->link_status);
  6824. return 0;
  6825. } else
  6826. if (params->loopback_mode == LOOPBACK_BMAC) {
  6827. vars->link_up = 1;
  6828. vars->line_speed = SPEED_10000;
  6829. vars->duplex = DUPLEX_FULL;
  6830. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6831. vars->mac_type = MAC_TYPE_BMAC;
  6832. vars->phy_flags = PHY_XGXS_FLAG;
  6833. bnx2x_xgxs_deassert(params);
  6834. /* set bmac loopback */
  6835. bnx2x_bmac_enable(params, vars, 1);
  6836. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6837. } else if (params->loopback_mode == LOOPBACK_EMAC) {
  6838. vars->link_up = 1;
  6839. vars->line_speed = SPEED_1000;
  6840. vars->duplex = DUPLEX_FULL;
  6841. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6842. vars->mac_type = MAC_TYPE_EMAC;
  6843. vars->phy_flags = PHY_XGXS_FLAG;
  6844. bnx2x_xgxs_deassert(params);
  6845. /* set bmac loopback */
  6846. bnx2x_emac_enable(params, vars, 1);
  6847. bnx2x_emac_program(params, vars);
  6848. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6849. } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
  6850. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  6851. vars->link_up = 1;
  6852. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6853. vars->duplex = DUPLEX_FULL;
  6854. if (params->req_line_speed[0] == SPEED_1000) {
  6855. vars->line_speed = SPEED_1000;
  6856. vars->mac_type = MAC_TYPE_EMAC;
  6857. } else {
  6858. vars->line_speed = SPEED_10000;
  6859. vars->mac_type = MAC_TYPE_BMAC;
  6860. }
  6861. bnx2x_xgxs_deassert(params);
  6862. bnx2x_link_initialize(params, vars);
  6863. if (params->req_line_speed[0] == SPEED_1000) {
  6864. bnx2x_emac_program(params, vars);
  6865. bnx2x_emac_enable(params, vars, 0);
  6866. } else
  6867. bnx2x_bmac_enable(params, vars, 0);
  6868. if (params->loopback_mode == LOOPBACK_XGXS) {
  6869. /* set 10G XGXS loopback */
  6870. params->phy[INT_PHY].config_loopback(
  6871. &params->phy[INT_PHY],
  6872. params);
  6873. } else {
  6874. /* set external phy loopback */
  6875. u8 phy_index;
  6876. for (phy_index = EXT_PHY1;
  6877. phy_index < params->num_phys; phy_index++) {
  6878. if (params->phy[phy_index].config_loopback)
  6879. params->phy[phy_index].config_loopback(
  6880. &params->phy[phy_index],
  6881. params);
  6882. }
  6883. }
  6884. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6885. bnx2x_set_led(params, vars,
  6886. LED_MODE_OPER, vars->line_speed);
  6887. } else
  6888. /* No loopback */
  6889. {
  6890. if (params->switch_cfg == SWITCH_CFG_10G)
  6891. bnx2x_xgxs_deassert(params);
  6892. else
  6893. bnx2x_serdes_deassert(bp, params->port);
  6894. bnx2x_link_initialize(params, vars);
  6895. msleep(30);
  6896. bnx2x_link_int_enable(params);
  6897. }
  6898. return 0;
  6899. }
  6900. u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  6901. u8 reset_ext_phy)
  6902. {
  6903. struct bnx2x *bp = params->bp;
  6904. u8 phy_index, port = params->port, clear_latch_ind = 0;
  6905. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  6906. /* disable attentions */
  6907. vars->link_status = 0;
  6908. bnx2x_update_mng(params, vars->link_status);
  6909. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  6910. (NIG_MASK_XGXS0_LINK_STATUS |
  6911. NIG_MASK_XGXS0_LINK10G |
  6912. NIG_MASK_SERDES0_LINK_STATUS |
  6913. NIG_MASK_MI_INT));
  6914. /* activate nig drain */
  6915. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  6916. /* disable nig egress interface */
  6917. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6918. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6919. /* Stop BigMac rx */
  6920. bnx2x_bmac_rx_disable(bp, port);
  6921. /* disable emac */
  6922. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6923. msleep(10);
  6924. /* The PHY reset is controled by GPIO 1
  6925. * Hold it as vars low
  6926. */
  6927. /* clear link led */
  6928. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  6929. if (reset_ext_phy) {
  6930. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6931. phy_index++) {
  6932. if (params->phy[phy_index].link_reset)
  6933. params->phy[phy_index].link_reset(
  6934. &params->phy[phy_index],
  6935. params);
  6936. if (params->phy[phy_index].flags &
  6937. FLAGS_REARM_LATCH_SIGNAL)
  6938. clear_latch_ind = 1;
  6939. }
  6940. }
  6941. if (clear_latch_ind) {
  6942. /* Clear latching indication */
  6943. bnx2x_rearm_latch_signal(bp, port, 0);
  6944. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  6945. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  6946. }
  6947. if (params->phy[INT_PHY].link_reset)
  6948. params->phy[INT_PHY].link_reset(
  6949. &params->phy[INT_PHY], params);
  6950. /* reset BigMac */
  6951. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  6952. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  6953. /* disable nig ingress interface */
  6954. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  6955. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  6956. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6957. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6958. vars->link_up = 0;
  6959. return 0;
  6960. }
  6961. /****************************************************************************/
  6962. /* Common function */
  6963. /****************************************************************************/
  6964. static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
  6965. u32 shmem_base_path[],
  6966. u32 shmem2_base_path[], u8 phy_index,
  6967. u32 chip_id)
  6968. {
  6969. struct bnx2x_phy phy[PORT_MAX];
  6970. struct bnx2x_phy *phy_blk[PORT_MAX];
  6971. u16 val;
  6972. s8 port = 0;
  6973. s8 port_of_path = 0;
  6974. u32 swap_val, swap_override;
  6975. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6976. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6977. port ^= (swap_val && swap_override);
  6978. bnx2x_ext_phy_hw_reset(bp, port);
  6979. /* PART1 - Reset both phys */
  6980. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  6981. u32 shmem_base, shmem2_base;
  6982. /* In E2, same phy is using for port0 of the two paths */
  6983. if (CHIP_IS_E2(bp)) {
  6984. shmem_base = shmem_base_path[port];
  6985. shmem2_base = shmem2_base_path[port];
  6986. port_of_path = 0;
  6987. } else {
  6988. shmem_base = shmem_base_path[0];
  6989. shmem2_base = shmem2_base_path[0];
  6990. port_of_path = port;
  6991. }
  6992. /* Extract the ext phy address for the port */
  6993. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  6994. port_of_path, &phy[port]) !=
  6995. 0) {
  6996. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  6997. return -EINVAL;
  6998. }
  6999. /* disable attentions */
  7000. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7001. port_of_path*4,
  7002. (NIG_MASK_XGXS0_LINK_STATUS |
  7003. NIG_MASK_XGXS0_LINK10G |
  7004. NIG_MASK_SERDES0_LINK_STATUS |
  7005. NIG_MASK_MI_INT));
  7006. /* Need to take the phy out of low power mode in order
  7007. to write to access its registers */
  7008. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7009. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7010. port);
  7011. /* Reset the phy */
  7012. bnx2x_cl45_write(bp, &phy[port],
  7013. MDIO_PMA_DEVAD,
  7014. MDIO_PMA_REG_CTRL,
  7015. 1<<15);
  7016. }
  7017. /* Add delay of 150ms after reset */
  7018. msleep(150);
  7019. if (phy[PORT_0].addr & 0x1) {
  7020. phy_blk[PORT_0] = &(phy[PORT_1]);
  7021. phy_blk[PORT_1] = &(phy[PORT_0]);
  7022. } else {
  7023. phy_blk[PORT_0] = &(phy[PORT_0]);
  7024. phy_blk[PORT_1] = &(phy[PORT_1]);
  7025. }
  7026. /* PART2 - Download firmware to both phys */
  7027. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7028. if (CHIP_IS_E2(bp))
  7029. port_of_path = 0;
  7030. else
  7031. port_of_path = port;
  7032. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7033. phy_blk[port]->addr);
  7034. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7035. port_of_path))
  7036. return -EINVAL;
  7037. /* Only set bit 10 = 1 (Tx power down) */
  7038. bnx2x_cl45_read(bp, phy_blk[port],
  7039. MDIO_PMA_DEVAD,
  7040. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7041. /* Phase1 of TX_POWER_DOWN reset */
  7042. bnx2x_cl45_write(bp, phy_blk[port],
  7043. MDIO_PMA_DEVAD,
  7044. MDIO_PMA_REG_TX_POWER_DOWN,
  7045. (val | 1<<10));
  7046. }
  7047. /*
  7048. * Toggle Transmitter: Power down and then up with 600ms delay
  7049. * between
  7050. */
  7051. msleep(600);
  7052. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7053. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7054. /* Phase2 of POWER_DOWN_RESET */
  7055. /* Release bit 10 (Release Tx power down) */
  7056. bnx2x_cl45_read(bp, phy_blk[port],
  7057. MDIO_PMA_DEVAD,
  7058. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7059. bnx2x_cl45_write(bp, phy_blk[port],
  7060. MDIO_PMA_DEVAD,
  7061. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7062. msleep(15);
  7063. /* Read modify write the SPI-ROM version select register */
  7064. bnx2x_cl45_read(bp, phy_blk[port],
  7065. MDIO_PMA_DEVAD,
  7066. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7067. bnx2x_cl45_write(bp, phy_blk[port],
  7068. MDIO_PMA_DEVAD,
  7069. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7070. /* set GPIO2 back to LOW */
  7071. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7072. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7073. }
  7074. return 0;
  7075. }
  7076. static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7077. u32 shmem_base_path[],
  7078. u32 shmem2_base_path[], u8 phy_index,
  7079. u32 chip_id)
  7080. {
  7081. u32 val;
  7082. s8 port;
  7083. struct bnx2x_phy phy;
  7084. /* Use port1 because of the static port-swap */
  7085. /* Enable the module detection interrupt */
  7086. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7087. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7088. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7089. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7090. bnx2x_ext_phy_hw_reset(bp, 0);
  7091. msleep(5);
  7092. for (port = 0; port < PORT_MAX; port++) {
  7093. u32 shmem_base, shmem2_base;
  7094. /* In E2, same phy is using for port0 of the two paths */
  7095. if (CHIP_IS_E2(bp)) {
  7096. shmem_base = shmem_base_path[port];
  7097. shmem2_base = shmem2_base_path[port];
  7098. } else {
  7099. shmem_base = shmem_base_path[0];
  7100. shmem2_base = shmem2_base_path[0];
  7101. }
  7102. /* Extract the ext phy address for the port */
  7103. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7104. port, &phy) !=
  7105. 0) {
  7106. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7107. return -EINVAL;
  7108. }
  7109. /* Reset phy*/
  7110. bnx2x_cl45_write(bp, &phy,
  7111. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7112. /* Set fault module detected LED on */
  7113. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7114. MISC_REGISTERS_GPIO_HIGH,
  7115. port);
  7116. }
  7117. return 0;
  7118. }
  7119. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7120. u8 *io_gpio, u8 *io_port)
  7121. {
  7122. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7123. offsetof(struct shmem_region,
  7124. dev_info.port_hw_config[PORT_0].default_cfg));
  7125. switch (phy_gpio_reset) {
  7126. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7127. *io_gpio = 0;
  7128. *io_port = 0;
  7129. break;
  7130. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7131. *io_gpio = 1;
  7132. *io_port = 0;
  7133. break;
  7134. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7135. *io_gpio = 2;
  7136. *io_port = 0;
  7137. break;
  7138. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7139. *io_gpio = 3;
  7140. *io_port = 0;
  7141. break;
  7142. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7143. *io_gpio = 0;
  7144. *io_port = 1;
  7145. break;
  7146. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7147. *io_gpio = 1;
  7148. *io_port = 1;
  7149. break;
  7150. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7151. *io_gpio = 2;
  7152. *io_port = 1;
  7153. break;
  7154. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7155. *io_gpio = 3;
  7156. *io_port = 1;
  7157. break;
  7158. default:
  7159. /* Don't override the io_gpio and io_port */
  7160. break;
  7161. }
  7162. }
  7163. static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7164. u32 shmem_base_path[],
  7165. u32 shmem2_base_path[], u8 phy_index,
  7166. u32 chip_id)
  7167. {
  7168. s8 port, reset_gpio;
  7169. u32 swap_val, swap_override;
  7170. struct bnx2x_phy phy[PORT_MAX];
  7171. struct bnx2x_phy *phy_blk[PORT_MAX];
  7172. s8 port_of_path;
  7173. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7174. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7175. reset_gpio = MISC_REGISTERS_GPIO_1;
  7176. port = 1;
  7177. /*
  7178. * Retrieve the reset gpio/port which control the reset.
  7179. * Default is GPIO1, PORT1
  7180. */
  7181. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7182. (u8 *)&reset_gpio, (u8 *)&port);
  7183. /* Calculate the port based on port swap */
  7184. port ^= (swap_val && swap_override);
  7185. /* Initiate PHY reset*/
  7186. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7187. port);
  7188. msleep(1);
  7189. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7190. port);
  7191. msleep(5);
  7192. /* PART1 - Reset both phys */
  7193. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7194. u32 shmem_base, shmem2_base;
  7195. /* In E2, same phy is using for port0 of the two paths */
  7196. if (CHIP_IS_E2(bp)) {
  7197. shmem_base = shmem_base_path[port];
  7198. shmem2_base = shmem2_base_path[port];
  7199. port_of_path = 0;
  7200. } else {
  7201. shmem_base = shmem_base_path[0];
  7202. shmem2_base = shmem2_base_path[0];
  7203. port_of_path = port;
  7204. }
  7205. /* Extract the ext phy address for the port */
  7206. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7207. port_of_path, &phy[port]) !=
  7208. 0) {
  7209. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7210. return -EINVAL;
  7211. }
  7212. /* disable attentions */
  7213. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7214. port_of_path*4,
  7215. (NIG_MASK_XGXS0_LINK_STATUS |
  7216. NIG_MASK_XGXS0_LINK10G |
  7217. NIG_MASK_SERDES0_LINK_STATUS |
  7218. NIG_MASK_MI_INT));
  7219. /* Reset the phy */
  7220. bnx2x_cl45_write(bp, &phy[port],
  7221. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7222. }
  7223. /* Add delay of 150ms after reset */
  7224. msleep(150);
  7225. if (phy[PORT_0].addr & 0x1) {
  7226. phy_blk[PORT_0] = &(phy[PORT_1]);
  7227. phy_blk[PORT_1] = &(phy[PORT_0]);
  7228. } else {
  7229. phy_blk[PORT_0] = &(phy[PORT_0]);
  7230. phy_blk[PORT_1] = &(phy[PORT_1]);
  7231. }
  7232. /* PART2 - Download firmware to both phys */
  7233. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7234. if (CHIP_IS_E2(bp))
  7235. port_of_path = 0;
  7236. else
  7237. port_of_path = port;
  7238. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7239. phy_blk[port]->addr);
  7240. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7241. port_of_path))
  7242. return -EINVAL;
  7243. }
  7244. return 0;
  7245. }
  7246. static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7247. u32 shmem2_base_path[], u8 phy_index,
  7248. u32 ext_phy_type, u32 chip_id)
  7249. {
  7250. u8 rc = 0;
  7251. switch (ext_phy_type) {
  7252. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7253. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7254. shmem2_base_path,
  7255. phy_index, chip_id);
  7256. break;
  7257. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7258. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7259. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7260. shmem2_base_path,
  7261. phy_index, chip_id);
  7262. break;
  7263. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7264. /*
  7265. * GPIO1 affects both ports, so there's need to pull
  7266. * it for single port alone
  7267. */
  7268. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7269. shmem2_base_path,
  7270. phy_index, chip_id);
  7271. break;
  7272. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7273. rc = -EINVAL;
  7274. break;
  7275. default:
  7276. DP(NETIF_MSG_LINK,
  7277. "ext_phy 0x%x common init not required\n",
  7278. ext_phy_type);
  7279. break;
  7280. }
  7281. if (rc != 0)
  7282. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7283. " Port %d\n",
  7284. 0);
  7285. return rc;
  7286. }
  7287. u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7288. u32 shmem2_base_path[], u32 chip_id)
  7289. {
  7290. u8 rc = 0;
  7291. u32 phy_ver;
  7292. u8 phy_index;
  7293. u32 ext_phy_type, ext_phy_config;
  7294. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7295. if (CHIP_REV_IS_EMUL(bp))
  7296. return 0;
  7297. /* Check if common init was already done */
  7298. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7299. offsetof(struct shmem_region,
  7300. port_mb[PORT_0].ext_phy_fw_version));
  7301. if (phy_ver) {
  7302. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7303. phy_ver);
  7304. return 0;
  7305. }
  7306. /* Read the ext_phy_type for arbitrary port(0) */
  7307. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7308. phy_index++) {
  7309. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7310. shmem_base_path[0],
  7311. phy_index, 0);
  7312. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7313. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7314. shmem2_base_path,
  7315. phy_index, ext_phy_type,
  7316. chip_id);
  7317. }
  7318. return rc;
  7319. }
  7320. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7321. {
  7322. u8 phy_index;
  7323. struct bnx2x_phy phy;
  7324. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7325. phy_index++) {
  7326. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7327. 0, &phy) != 0) {
  7328. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7329. return 0;
  7330. }
  7331. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7332. return 1;
  7333. }
  7334. return 0;
  7335. }
  7336. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7337. u32 shmem_base,
  7338. u32 shmem2_base,
  7339. u8 port)
  7340. {
  7341. u8 phy_index, fan_failure_det_req = 0;
  7342. struct bnx2x_phy phy;
  7343. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7344. phy_index++) {
  7345. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7346. port, &phy)
  7347. != 0) {
  7348. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7349. return 0;
  7350. }
  7351. fan_failure_det_req |= (phy.flags &
  7352. FLAGS_FAN_FAILURE_DET_REQ);
  7353. }
  7354. return fan_failure_det_req;
  7355. }
  7356. void bnx2x_hw_reset_phy(struct link_params *params)
  7357. {
  7358. u8 phy_index;
  7359. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7360. phy_index++) {
  7361. if (params->phy[phy_index].hw_reset) {
  7362. params->phy[phy_index].hw_reset(
  7363. &params->phy[phy_index],
  7364. params);
  7365. params->phy[phy_index] = phy_null;
  7366. }
  7367. }
  7368. }