bnx2x_link.c 236 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. /* PFC 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. /* ASIC */
  452. if (vars->phy_flags & PHY_XGXS_FLAG) {
  453. u32 ser_lane = ((params->lane_config &
  454. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  455. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  456. DP(NETIF_MSG_LINK, "XGXS\n");
  457. /* select the master lanes (out of 0-3) */
  458. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  459. /* select XGXS */
  460. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  461. } else { /* SerDes */
  462. DP(NETIF_MSG_LINK, "SerDes\n");
  463. /* select SerDes */
  464. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  465. }
  466. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  467. EMAC_RX_MODE_RESET);
  468. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  469. EMAC_TX_MODE_RESET);
  470. if (CHIP_REV_IS_SLOW(bp)) {
  471. /* config GMII mode */
  472. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  473. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  474. } else { /* ASIC */
  475. /* pause enable/disable */
  476. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  477. EMAC_RX_MODE_FLOW_EN);
  478. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  479. (EMAC_TX_MODE_EXT_PAUSE_EN |
  480. EMAC_TX_MODE_FLOW_EN));
  481. if (!(params->feature_config_flags &
  482. FEATURE_CONFIG_PFC_ENABLED)) {
  483. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  484. bnx2x_bits_en(bp, emac_base +
  485. EMAC_REG_EMAC_RX_MODE,
  486. EMAC_RX_MODE_FLOW_EN);
  487. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  488. bnx2x_bits_en(bp, emac_base +
  489. EMAC_REG_EMAC_TX_MODE,
  490. (EMAC_TX_MODE_EXT_PAUSE_EN |
  491. EMAC_TX_MODE_FLOW_EN));
  492. } else
  493. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  494. EMAC_TX_MODE_FLOW_EN);
  495. }
  496. /* KEEP_VLAN_TAG, promiscuous */
  497. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  498. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  499. /*
  500. * Setting this bit causes MAC control frames (except for pause
  501. * frames) to be passed on for processing. This setting has no
  502. * affect on the operation of the pause frames. This bit effects
  503. * all packets regardless of RX Parser packet sorting logic.
  504. * Turn the PFC off to make sure we are in Xon state before
  505. * enabling it.
  506. */
  507. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  508. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  509. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  510. /* Enable PFC again */
  511. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  512. EMAC_REG_RX_PFC_MODE_RX_EN |
  513. EMAC_REG_RX_PFC_MODE_TX_EN |
  514. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  515. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  516. ((0x0101 <<
  517. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  518. (0x00ff <<
  519. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  520. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  521. }
  522. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  523. /* Set Loopback */
  524. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  525. if (lb)
  526. val |= 0x810;
  527. else
  528. val &= ~0x810;
  529. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  530. /* enable emac */
  531. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  532. /* enable emac for jumbo packets */
  533. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  534. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  535. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  536. /* strip CRC */
  537. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  538. /* disable the NIG in/out to the bmac */
  539. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  540. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  541. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  542. /* enable the NIG in/out to the emac */
  543. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  544. val = 0;
  545. if ((params->feature_config_flags &
  546. FEATURE_CONFIG_PFC_ENABLED) ||
  547. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  548. val = 1;
  549. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  550. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  551. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  552. vars->mac_type = MAC_TYPE_EMAC;
  553. return 0;
  554. }
  555. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  556. struct link_vars *vars)
  557. {
  558. u32 wb_data[2];
  559. struct bnx2x *bp = params->bp;
  560. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  561. NIG_REG_INGRESS_BMAC0_MEM;
  562. u32 val = 0x14;
  563. if ((!(params->feature_config_flags &
  564. FEATURE_CONFIG_PFC_ENABLED)) &&
  565. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  566. /* Enable BigMAC to react on received Pause packets */
  567. val |= (1<<5);
  568. wb_data[0] = val;
  569. wb_data[1] = 0;
  570. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  571. /* tx control */
  572. val = 0xc0;
  573. if (!(params->feature_config_flags &
  574. FEATURE_CONFIG_PFC_ENABLED) &&
  575. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  576. val |= 0x800000;
  577. wb_data[0] = val;
  578. wb_data[1] = 0;
  579. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  580. }
  581. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  582. struct link_vars *vars,
  583. u8 is_lb)
  584. {
  585. /*
  586. * Set rx control: Strip CRC and enable BigMAC to relay
  587. * control packets to the system as well
  588. */
  589. u32 wb_data[2];
  590. struct bnx2x *bp = params->bp;
  591. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  592. NIG_REG_INGRESS_BMAC0_MEM;
  593. u32 val = 0x14;
  594. if ((!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED)) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  597. /* Enable BigMAC to react on received Pause packets */
  598. val |= (1<<5);
  599. wb_data[0] = val;
  600. wb_data[1] = 0;
  601. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  602. udelay(30);
  603. /* Tx control */
  604. val = 0xc0;
  605. if (!(params->feature_config_flags &
  606. FEATURE_CONFIG_PFC_ENABLED) &&
  607. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  608. val |= 0x800000;
  609. wb_data[0] = val;
  610. wb_data[1] = 0;
  611. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  612. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  613. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  614. /* Enable PFC RX & TX & STATS and set 8 COS */
  615. wb_data[0] = 0x0;
  616. wb_data[0] |= (1<<0); /* RX */
  617. wb_data[0] |= (1<<1); /* TX */
  618. wb_data[0] |= (1<<2); /* Force initial Xon */
  619. wb_data[0] |= (1<<3); /* 8 cos */
  620. wb_data[0] |= (1<<5); /* STATS */
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  623. wb_data, 2);
  624. /* Clear the force Xon */
  625. wb_data[0] &= ~(1<<2);
  626. } else {
  627. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  628. /* disable PFC RX & TX & STATS and set 8 COS */
  629. wb_data[0] = 0x8;
  630. wb_data[1] = 0;
  631. }
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  633. /*
  634. * Set Time (based unit is 512 bit time) between automatic
  635. * re-sending of PP packets amd enable automatic re-send of
  636. * Per-Priroity Packet as long as pp_gen is asserted and
  637. * pp_disable is low.
  638. */
  639. val = 0x8000;
  640. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  641. val |= (1<<16); /* enable automatic re-send */
  642. wb_data[0] = val;
  643. wb_data[1] = 0;
  644. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  645. wb_data, 2);
  646. /* mac control */
  647. val = 0x3; /* Enable RX and TX */
  648. if (is_lb) {
  649. val |= 0x4; /* Local loopback */
  650. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  651. }
  652. /* When PFC enabled, Pass pause frames towards the NIG. */
  653. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  654. val |= ((1<<6)|(1<<5));
  655. wb_data[0] = val;
  656. wb_data[1] = 0;
  657. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  658. }
  659. static void bnx2x_update_pfc_brb(struct link_params *params,
  660. struct link_vars *vars,
  661. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  662. {
  663. struct bnx2x *bp = params->bp;
  664. int set_pfc = params->feature_config_flags &
  665. FEATURE_CONFIG_PFC_ENABLED;
  666. /* default - pause configuration */
  667. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  668. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  669. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  670. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  671. if (set_pfc && pfc_params)
  672. /* First COS */
  673. if (!pfc_params->cos0_pauseable) {
  674. pause_xoff_th =
  675. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  676. pause_xon_th =
  677. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  678. full_xoff_th =
  679. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  680. full_xon_th =
  681. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  682. }
  683. /*
  684. * The number of free blocks below which the pause signal to class 0
  685. * of MAC #n is asserted. n=0,1
  686. */
  687. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  688. /*
  689. * The number of free blocks above which the pause signal to class 0
  690. * of MAC #n is de-asserted. n=0,1
  691. */
  692. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  693. /*
  694. * The number of free blocks below which the full signal to class 0
  695. * of MAC #n is asserted. n=0,1
  696. */
  697. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  698. /*
  699. * The number of free blocks above which the full signal to class 0
  700. * of MAC #n is de-asserted. n=0,1
  701. */
  702. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  703. if (set_pfc && pfc_params) {
  704. /* Second COS */
  705. if (pfc_params->cos1_pauseable) {
  706. pause_xoff_th =
  707. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  708. pause_xon_th =
  709. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  710. full_xoff_th =
  711. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  712. full_xon_th =
  713. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  714. } else {
  715. pause_xoff_th =
  716. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  717. pause_xon_th =
  718. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  719. full_xoff_th =
  720. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  721. full_xon_th =
  722. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  723. }
  724. /*
  725. * The number of free blocks below which the pause signal to
  726. * class 1 of MAC #n is asserted. n=0,1
  727. */
  728. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  729. /*
  730. * The number of free blocks above which the pause signal to
  731. * class 1 of MAC #n is de-asserted. n=0,1
  732. */
  733. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  734. /*
  735. * The number of free blocks below which the full signal to
  736. * class 1 of MAC #n is asserted. n=0,1
  737. */
  738. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  739. /*
  740. * The number of free blocks above which the full signal to
  741. * class 1 of MAC #n is de-asserted. n=0,1
  742. */
  743. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  744. }
  745. }
  746. static void bnx2x_update_pfc_nig(struct link_params *params,
  747. struct link_vars *vars,
  748. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  749. {
  750. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  751. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  752. u32 pkt_priority_to_cos = 0;
  753. u32 val;
  754. struct bnx2x *bp = params->bp;
  755. int port = params->port;
  756. int set_pfc = params->feature_config_flags &
  757. FEATURE_CONFIG_PFC_ENABLED;
  758. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  759. /*
  760. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  761. * MAC control frames (that are not pause packets)
  762. * will be forwarded to the XCM.
  763. */
  764. xcm_mask = REG_RD(bp,
  765. port ? NIG_REG_LLH1_XCM_MASK :
  766. NIG_REG_LLH0_XCM_MASK);
  767. /*
  768. * nig params will override non PFC params, since it's possible to
  769. * do transition from PFC to SAFC
  770. */
  771. if (set_pfc) {
  772. pause_enable = 0;
  773. llfc_out_en = 0;
  774. llfc_enable = 0;
  775. ppp_enable = 1;
  776. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  777. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  778. xcm0_out_en = 0;
  779. p0_hwpfc_enable = 1;
  780. } else {
  781. if (nig_params) {
  782. llfc_out_en = nig_params->llfc_out_en;
  783. llfc_enable = nig_params->llfc_enable;
  784. pause_enable = nig_params->pause_enable;
  785. } else /*defaul non PFC mode - PAUSE */
  786. pause_enable = 1;
  787. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  788. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  789. xcm0_out_en = 1;
  790. }
  791. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  792. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  793. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  794. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  795. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  796. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  797. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  798. NIG_REG_PPP_ENABLE_0, ppp_enable);
  799. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  800. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  801. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  802. /* output enable for RX_XCM # IF */
  803. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  804. /* HW PFC TX enable */
  805. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  806. /* 0x2 = BMAC, 0x1= EMAC */
  807. switch (vars->mac_type) {
  808. case MAC_TYPE_EMAC:
  809. val = 1;
  810. break;
  811. case MAC_TYPE_BMAC:
  812. val = 0;
  813. break;
  814. default:
  815. val = 0;
  816. break;
  817. }
  818. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  819. if (nig_params) {
  820. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  821. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  822. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  823. nig_params->rx_cos0_priority_mask);
  824. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  825. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  826. nig_params->rx_cos1_priority_mask);
  827. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  828. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  829. nig_params->llfc_high_priority_classes);
  830. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  831. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  832. nig_params->llfc_low_priority_classes);
  833. }
  834. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  835. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  836. pkt_priority_to_cos);
  837. }
  838. void bnx2x_update_pfc(struct link_params *params,
  839. struct link_vars *vars,
  840. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  841. {
  842. /*
  843. * The PFC and pause are orthogonal to one another, meaning when
  844. * PFC is enabled, the pause are disabled, and when PFC is
  845. * disabled, pause are set according to the pause result.
  846. */
  847. u32 val;
  848. struct bnx2x *bp = params->bp;
  849. /* update NIG params */
  850. bnx2x_update_pfc_nig(params, vars, pfc_params);
  851. /* update BRB params */
  852. bnx2x_update_pfc_brb(params, vars, pfc_params);
  853. if (!vars->link_up)
  854. return;
  855. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  856. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  857. == 0) {
  858. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  859. bnx2x_emac_enable(params, vars, 0);
  860. return;
  861. }
  862. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  863. if (CHIP_IS_E2(bp))
  864. bnx2x_update_pfc_bmac2(params, vars, 0);
  865. else
  866. bnx2x_update_pfc_bmac1(params, vars);
  867. val = 0;
  868. if ((params->feature_config_flags &
  869. FEATURE_CONFIG_PFC_ENABLED) ||
  870. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  871. val = 1;
  872. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  873. }
  874. static u8 bnx2x_bmac1_enable(struct link_params *params,
  875. struct link_vars *vars,
  876. u8 is_lb)
  877. {
  878. struct bnx2x *bp = params->bp;
  879. u8 port = params->port;
  880. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  881. NIG_REG_INGRESS_BMAC0_MEM;
  882. u32 wb_data[2];
  883. u32 val;
  884. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  885. /* XGXS control */
  886. wb_data[0] = 0x3c;
  887. wb_data[1] = 0;
  888. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  889. wb_data, 2);
  890. /* tx MAC SA */
  891. wb_data[0] = ((params->mac_addr[2] << 24) |
  892. (params->mac_addr[3] << 16) |
  893. (params->mac_addr[4] << 8) |
  894. params->mac_addr[5]);
  895. wb_data[1] = ((params->mac_addr[0] << 8) |
  896. params->mac_addr[1]);
  897. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  898. /* mac control */
  899. val = 0x3;
  900. if (is_lb) {
  901. val |= 0x4;
  902. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  903. }
  904. wb_data[0] = val;
  905. wb_data[1] = 0;
  906. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  907. /* set rx mtu */
  908. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  909. wb_data[1] = 0;
  910. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  911. bnx2x_update_pfc_bmac1(params, vars);
  912. /* set tx mtu */
  913. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  914. wb_data[1] = 0;
  915. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  916. /* set cnt max size */
  917. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  918. wb_data[1] = 0;
  919. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  920. /* configure safc */
  921. wb_data[0] = 0x1000200;
  922. wb_data[1] = 0;
  923. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  924. wb_data, 2);
  925. return 0;
  926. }
  927. static u8 bnx2x_bmac2_enable(struct link_params *params,
  928. struct link_vars *vars,
  929. u8 is_lb)
  930. {
  931. struct bnx2x *bp = params->bp;
  932. u8 port = params->port;
  933. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  934. NIG_REG_INGRESS_BMAC0_MEM;
  935. u32 wb_data[2];
  936. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  937. wb_data[0] = 0;
  938. wb_data[1] = 0;
  939. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  940. udelay(30);
  941. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  942. wb_data[0] = 0x3c;
  943. wb_data[1] = 0;
  944. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  945. wb_data, 2);
  946. udelay(30);
  947. /* tx MAC SA */
  948. wb_data[0] = ((params->mac_addr[2] << 24) |
  949. (params->mac_addr[3] << 16) |
  950. (params->mac_addr[4] << 8) |
  951. params->mac_addr[5]);
  952. wb_data[1] = ((params->mac_addr[0] << 8) |
  953. params->mac_addr[1]);
  954. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  955. wb_data, 2);
  956. udelay(30);
  957. /* Configure SAFC */
  958. wb_data[0] = 0x1000200;
  959. wb_data[1] = 0;
  960. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  961. wb_data, 2);
  962. udelay(30);
  963. /* set rx mtu */
  964. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  965. wb_data[1] = 0;
  966. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  967. udelay(30);
  968. /* set tx mtu */
  969. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  970. wb_data[1] = 0;
  971. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  972. udelay(30);
  973. /* set cnt max size */
  974. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  975. wb_data[1] = 0;
  976. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  977. udelay(30);
  978. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  979. return 0;
  980. }
  981. static u8 bnx2x_bmac_enable(struct link_params *params,
  982. struct link_vars *vars,
  983. u8 is_lb)
  984. {
  985. u8 rc, port = params->port;
  986. struct bnx2x *bp = params->bp;
  987. u32 val;
  988. /* reset and unreset the BigMac */
  989. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  990. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  991. msleep(1);
  992. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  993. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  994. /* enable access for bmac registers */
  995. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  996. /* Enable BMAC according to BMAC type*/
  997. if (CHIP_IS_E2(bp))
  998. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  999. else
  1000. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1001. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1002. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1003. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1004. val = 0;
  1005. if ((params->feature_config_flags &
  1006. FEATURE_CONFIG_PFC_ENABLED) ||
  1007. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1008. val = 1;
  1009. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1010. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1011. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1012. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1013. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1014. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1015. vars->mac_type = MAC_TYPE_BMAC;
  1016. return rc;
  1017. }
  1018. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1019. {
  1020. struct bnx2x *bp = params->bp;
  1021. REG_WR(bp, params->shmem_base +
  1022. offsetof(struct shmem_region,
  1023. port_mb[params->port].link_status), link_status);
  1024. }
  1025. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1026. {
  1027. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1028. NIG_REG_INGRESS_BMAC0_MEM;
  1029. u32 wb_data[2];
  1030. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1031. /* Only if the bmac is out of reset */
  1032. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1033. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1034. nig_bmac_enable) {
  1035. if (CHIP_IS_E2(bp)) {
  1036. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1037. REG_RD_DMAE(bp, bmac_addr +
  1038. BIGMAC2_REGISTER_BMAC_CONTROL,
  1039. wb_data, 2);
  1040. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1041. REG_WR_DMAE(bp, bmac_addr +
  1042. BIGMAC2_REGISTER_BMAC_CONTROL,
  1043. wb_data, 2);
  1044. } else {
  1045. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1046. REG_RD_DMAE(bp, bmac_addr +
  1047. BIGMAC_REGISTER_BMAC_CONTROL,
  1048. wb_data, 2);
  1049. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1050. REG_WR_DMAE(bp, bmac_addr +
  1051. BIGMAC_REGISTER_BMAC_CONTROL,
  1052. wb_data, 2);
  1053. }
  1054. msleep(1);
  1055. }
  1056. }
  1057. static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1058. u32 line_speed)
  1059. {
  1060. struct bnx2x *bp = params->bp;
  1061. u8 port = params->port;
  1062. u32 init_crd, crd;
  1063. u32 count = 1000;
  1064. /* disable port */
  1065. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1066. /* wait for init credit */
  1067. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1068. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1069. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1070. while ((init_crd != crd) && count) {
  1071. msleep(5);
  1072. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1073. count--;
  1074. }
  1075. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1076. if (init_crd != crd) {
  1077. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1078. init_crd, crd);
  1079. return -EINVAL;
  1080. }
  1081. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1082. line_speed == SPEED_10 ||
  1083. line_speed == SPEED_100 ||
  1084. line_speed == SPEED_1000 ||
  1085. line_speed == SPEED_2500) {
  1086. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1087. /* update threshold */
  1088. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1089. /* update init credit */
  1090. init_crd = 778; /* (800-18-4) */
  1091. } else {
  1092. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1093. ETH_OVREHEAD)/16;
  1094. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1095. /* update threshold */
  1096. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1097. /* update init credit */
  1098. switch (line_speed) {
  1099. case SPEED_10000:
  1100. init_crd = thresh + 553 - 22;
  1101. break;
  1102. case SPEED_12000:
  1103. init_crd = thresh + 664 - 22;
  1104. break;
  1105. case SPEED_13000:
  1106. init_crd = thresh + 742 - 22;
  1107. break;
  1108. case SPEED_16000:
  1109. init_crd = thresh + 778 - 22;
  1110. break;
  1111. default:
  1112. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1113. line_speed);
  1114. return -EINVAL;
  1115. }
  1116. }
  1117. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1118. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1119. line_speed, init_crd);
  1120. /* probe the credit changes */
  1121. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1122. msleep(5);
  1123. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1124. /* enable port */
  1125. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1126. return 0;
  1127. }
  1128. /**
  1129. * bnx2x_get_emac_base - retrive emac base address
  1130. *
  1131. * @bp: driver handle
  1132. * @mdc_mdio_access: access type
  1133. * @port: port id
  1134. *
  1135. * This function selects the MDC/MDIO access (through emac0 or
  1136. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1137. * phy has a default access mode, which could also be overridden
  1138. * by nvram configuration. This parameter, whether this is the
  1139. * default phy configuration, or the nvram overrun
  1140. * configuration, is passed here as mdc_mdio_access and selects
  1141. * the emac_base for the CL45 read/writes operations
  1142. */
  1143. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1144. u32 mdc_mdio_access, u8 port)
  1145. {
  1146. u32 emac_base = 0;
  1147. switch (mdc_mdio_access) {
  1148. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1149. break;
  1150. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1151. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1152. emac_base = GRCBASE_EMAC1;
  1153. else
  1154. emac_base = GRCBASE_EMAC0;
  1155. break;
  1156. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1157. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1158. emac_base = GRCBASE_EMAC0;
  1159. else
  1160. emac_base = GRCBASE_EMAC1;
  1161. break;
  1162. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1163. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1164. break;
  1165. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1166. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1167. break;
  1168. default:
  1169. break;
  1170. }
  1171. return emac_base;
  1172. }
  1173. /******************************************************************/
  1174. /* CL45 access functions */
  1175. /******************************************************************/
  1176. static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1177. u8 devad, u16 reg, u16 val)
  1178. {
  1179. u32 tmp, saved_mode;
  1180. u8 i, rc = 0;
  1181. /*
  1182. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1183. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1184. */
  1185. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1186. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1187. EMAC_MDIO_MODE_CLOCK_CNT);
  1188. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1189. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1190. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1191. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1192. udelay(40);
  1193. /* address */
  1194. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1195. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1196. EMAC_MDIO_COMM_START_BUSY);
  1197. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1198. for (i = 0; i < 50; i++) {
  1199. udelay(10);
  1200. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1201. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1202. udelay(5);
  1203. break;
  1204. }
  1205. }
  1206. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1207. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1208. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1209. rc = -EFAULT;
  1210. } else {
  1211. /* data */
  1212. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1213. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1214. EMAC_MDIO_COMM_START_BUSY);
  1215. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1216. for (i = 0; i < 50; i++) {
  1217. udelay(10);
  1218. tmp = REG_RD(bp, phy->mdio_ctrl +
  1219. EMAC_REG_EMAC_MDIO_COMM);
  1220. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1221. udelay(5);
  1222. break;
  1223. }
  1224. }
  1225. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1226. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1227. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1228. rc = -EFAULT;
  1229. }
  1230. }
  1231. /* Restore the saved mode */
  1232. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1233. return rc;
  1234. }
  1235. static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1236. u8 devad, u16 reg, u16 *ret_val)
  1237. {
  1238. u32 val, saved_mode;
  1239. u16 i;
  1240. u8 rc = 0;
  1241. /*
  1242. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1243. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1244. */
  1245. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1246. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1247. EMAC_MDIO_MODE_CLOCK_CNT));
  1248. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1249. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1250. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1251. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1252. udelay(40);
  1253. /* address */
  1254. val = ((phy->addr << 21) | (devad << 16) | reg |
  1255. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1256. EMAC_MDIO_COMM_START_BUSY);
  1257. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1258. for (i = 0; i < 50; i++) {
  1259. udelay(10);
  1260. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1261. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1262. udelay(5);
  1263. break;
  1264. }
  1265. }
  1266. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1267. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1268. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1269. *ret_val = 0;
  1270. rc = -EFAULT;
  1271. } else {
  1272. /* data */
  1273. val = ((phy->addr << 21) | (devad << 16) |
  1274. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1275. EMAC_MDIO_COMM_START_BUSY);
  1276. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1277. for (i = 0; i < 50; i++) {
  1278. udelay(10);
  1279. val = REG_RD(bp, phy->mdio_ctrl +
  1280. EMAC_REG_EMAC_MDIO_COMM);
  1281. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1282. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1283. break;
  1284. }
  1285. }
  1286. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1287. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1288. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1289. *ret_val = 0;
  1290. rc = -EFAULT;
  1291. }
  1292. }
  1293. /* Restore the saved mode */
  1294. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1295. return rc;
  1296. }
  1297. u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1298. u8 devad, u16 reg, u16 *ret_val)
  1299. {
  1300. u8 phy_index;
  1301. /*
  1302. * Probe for the phy according to the given phy_addr, and execute
  1303. * the read request on it
  1304. */
  1305. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1306. if (params->phy[phy_index].addr == phy_addr) {
  1307. return bnx2x_cl45_read(params->bp,
  1308. &params->phy[phy_index], devad,
  1309. reg, ret_val);
  1310. }
  1311. }
  1312. return -EINVAL;
  1313. }
  1314. u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1315. u8 devad, u16 reg, u16 val)
  1316. {
  1317. u8 phy_index;
  1318. /*
  1319. * Probe for the phy according to the given phy_addr, and execute
  1320. * the write request on it
  1321. */
  1322. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1323. if (params->phy[phy_index].addr == phy_addr) {
  1324. return bnx2x_cl45_write(params->bp,
  1325. &params->phy[phy_index], devad,
  1326. reg, val);
  1327. }
  1328. }
  1329. return -EINVAL;
  1330. }
  1331. static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
  1332. struct bnx2x_phy *phy)
  1333. {
  1334. u32 ser_lane;
  1335. u16 offset, aer_val;
  1336. struct bnx2x *bp = params->bp;
  1337. ser_lane = ((params->lane_config &
  1338. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1339. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1340. offset = phy->addr + ser_lane;
  1341. if (CHIP_IS_E2(bp))
  1342. aer_val = 0x3800 + offset - 1;
  1343. else
  1344. aer_val = 0x3800 + offset;
  1345. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1346. MDIO_AER_BLOCK_AER_REG, aer_val);
  1347. }
  1348. static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
  1349. struct bnx2x_phy *phy)
  1350. {
  1351. CL22_WR_OVER_CL45(bp, phy,
  1352. MDIO_REG_BANK_AER_BLOCK,
  1353. MDIO_AER_BLOCK_AER_REG, 0x3800);
  1354. }
  1355. /******************************************************************/
  1356. /* Internal phy section */
  1357. /******************************************************************/
  1358. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1359. {
  1360. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1361. /* Set Clause 22 */
  1362. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1363. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1364. udelay(500);
  1365. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1366. udelay(500);
  1367. /* Set Clause 45 */
  1368. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1369. }
  1370. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1371. {
  1372. u32 val;
  1373. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1374. val = SERDES_RESET_BITS << (port*16);
  1375. /* reset and unreset the SerDes/XGXS */
  1376. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1377. udelay(500);
  1378. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1379. bnx2x_set_serdes_access(bp, port);
  1380. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1381. DEFAULT_PHY_DEV_ADDR);
  1382. }
  1383. static void bnx2x_xgxs_deassert(struct link_params *params)
  1384. {
  1385. struct bnx2x *bp = params->bp;
  1386. u8 port;
  1387. u32 val;
  1388. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1389. port = params->port;
  1390. val = XGXS_RESET_BITS << (port*16);
  1391. /* reset and unreset the SerDes/XGXS */
  1392. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1393. udelay(500);
  1394. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1395. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1396. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1397. params->phy[INT_PHY].def_md_devad);
  1398. }
  1399. void bnx2x_link_status_update(struct link_params *params,
  1400. struct link_vars *vars)
  1401. {
  1402. struct bnx2x *bp = params->bp;
  1403. u8 link_10g;
  1404. u8 port = params->port;
  1405. u32 sync_offset, media_types;
  1406. vars->link_status = REG_RD(bp, params->shmem_base +
  1407. offsetof(struct shmem_region,
  1408. port_mb[port].link_status));
  1409. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1410. if (vars->link_up) {
  1411. DP(NETIF_MSG_LINK, "phy link up\n");
  1412. vars->phy_link_up = 1;
  1413. vars->duplex = DUPLEX_FULL;
  1414. switch (vars->link_status &
  1415. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1416. case LINK_10THD:
  1417. vars->duplex = DUPLEX_HALF;
  1418. /* fall thru */
  1419. case LINK_10TFD:
  1420. vars->line_speed = SPEED_10;
  1421. break;
  1422. case LINK_100TXHD:
  1423. vars->duplex = DUPLEX_HALF;
  1424. /* fall thru */
  1425. case LINK_100T4:
  1426. case LINK_100TXFD:
  1427. vars->line_speed = SPEED_100;
  1428. break;
  1429. case LINK_1000THD:
  1430. vars->duplex = DUPLEX_HALF;
  1431. /* fall thru */
  1432. case LINK_1000TFD:
  1433. vars->line_speed = SPEED_1000;
  1434. break;
  1435. case LINK_2500THD:
  1436. vars->duplex = DUPLEX_HALF;
  1437. /* fall thru */
  1438. case LINK_2500TFD:
  1439. vars->line_speed = SPEED_2500;
  1440. break;
  1441. case LINK_10GTFD:
  1442. vars->line_speed = SPEED_10000;
  1443. break;
  1444. case LINK_12GTFD:
  1445. vars->line_speed = SPEED_12000;
  1446. break;
  1447. case LINK_12_5GTFD:
  1448. vars->line_speed = SPEED_12500;
  1449. break;
  1450. case LINK_13GTFD:
  1451. vars->line_speed = SPEED_13000;
  1452. break;
  1453. case LINK_15GTFD:
  1454. vars->line_speed = SPEED_15000;
  1455. break;
  1456. case LINK_16GTFD:
  1457. vars->line_speed = SPEED_16000;
  1458. break;
  1459. default:
  1460. break;
  1461. }
  1462. vars->flow_ctrl = 0;
  1463. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1464. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1465. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1466. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1467. if (!vars->flow_ctrl)
  1468. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1469. if (vars->line_speed &&
  1470. ((vars->line_speed == SPEED_10) ||
  1471. (vars->line_speed == SPEED_100))) {
  1472. vars->phy_flags |= PHY_SGMII_FLAG;
  1473. } else {
  1474. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1475. }
  1476. /* anything 10 and over uses the bmac */
  1477. link_10g = ((vars->line_speed == SPEED_10000) ||
  1478. (vars->line_speed == SPEED_12000) ||
  1479. (vars->line_speed == SPEED_12500) ||
  1480. (vars->line_speed == SPEED_13000) ||
  1481. (vars->line_speed == SPEED_15000) ||
  1482. (vars->line_speed == SPEED_16000));
  1483. if (link_10g)
  1484. vars->mac_type = MAC_TYPE_BMAC;
  1485. else
  1486. vars->mac_type = MAC_TYPE_EMAC;
  1487. } else { /* link down */
  1488. DP(NETIF_MSG_LINK, "phy link down\n");
  1489. vars->phy_link_up = 0;
  1490. vars->line_speed = 0;
  1491. vars->duplex = DUPLEX_FULL;
  1492. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1493. /* indicate no mac active */
  1494. vars->mac_type = MAC_TYPE_NONE;
  1495. }
  1496. /* Sync media type */
  1497. sync_offset = params->shmem_base +
  1498. offsetof(struct shmem_region,
  1499. dev_info.port_hw_config[port].media_type);
  1500. media_types = REG_RD(bp, sync_offset);
  1501. params->phy[INT_PHY].media_type =
  1502. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  1503. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  1504. params->phy[EXT_PHY1].media_type =
  1505. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  1506. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  1507. params->phy[EXT_PHY2].media_type =
  1508. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  1509. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  1510. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  1511. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
  1512. vars->link_status, vars->phy_link_up);
  1513. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1514. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1515. }
  1516. static void bnx2x_set_master_ln(struct link_params *params,
  1517. struct bnx2x_phy *phy)
  1518. {
  1519. struct bnx2x *bp = params->bp;
  1520. u16 new_master_ln, ser_lane;
  1521. ser_lane = ((params->lane_config &
  1522. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1523. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1524. /* set the master_ln for AN */
  1525. CL22_RD_OVER_CL45(bp, phy,
  1526. MDIO_REG_BANK_XGXS_BLOCK2,
  1527. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1528. &new_master_ln);
  1529. CL22_WR_OVER_CL45(bp, phy,
  1530. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1531. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1532. (new_master_ln | ser_lane));
  1533. }
  1534. static u8 bnx2x_reset_unicore(struct link_params *params,
  1535. struct bnx2x_phy *phy,
  1536. u8 set_serdes)
  1537. {
  1538. struct bnx2x *bp = params->bp;
  1539. u16 mii_control;
  1540. u16 i;
  1541. CL22_RD_OVER_CL45(bp, phy,
  1542. MDIO_REG_BANK_COMBO_IEEE0,
  1543. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1544. /* reset the unicore */
  1545. CL22_WR_OVER_CL45(bp, phy,
  1546. MDIO_REG_BANK_COMBO_IEEE0,
  1547. MDIO_COMBO_IEEE0_MII_CONTROL,
  1548. (mii_control |
  1549. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1550. if (set_serdes)
  1551. bnx2x_set_serdes_access(bp, params->port);
  1552. /* wait for the reset to self clear */
  1553. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1554. udelay(5);
  1555. /* the reset erased the previous bank value */
  1556. CL22_RD_OVER_CL45(bp, phy,
  1557. MDIO_REG_BANK_COMBO_IEEE0,
  1558. MDIO_COMBO_IEEE0_MII_CONTROL,
  1559. &mii_control);
  1560. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1561. udelay(5);
  1562. return 0;
  1563. }
  1564. }
  1565. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1566. " Port %d\n",
  1567. params->port);
  1568. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1569. return -EINVAL;
  1570. }
  1571. static void bnx2x_set_swap_lanes(struct link_params *params,
  1572. struct bnx2x_phy *phy)
  1573. {
  1574. struct bnx2x *bp = params->bp;
  1575. /*
  1576. * Each two bits represents a lane number:
  1577. * No swap is 0123 => 0x1b no need to enable the swap
  1578. */
  1579. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1580. ser_lane = ((params->lane_config &
  1581. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1582. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1583. rx_lane_swap = ((params->lane_config &
  1584. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1585. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1586. tx_lane_swap = ((params->lane_config &
  1587. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1588. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1589. if (rx_lane_swap != 0x1b) {
  1590. CL22_WR_OVER_CL45(bp, phy,
  1591. MDIO_REG_BANK_XGXS_BLOCK2,
  1592. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1593. (rx_lane_swap |
  1594. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1595. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1596. } else {
  1597. CL22_WR_OVER_CL45(bp, phy,
  1598. MDIO_REG_BANK_XGXS_BLOCK2,
  1599. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1600. }
  1601. if (tx_lane_swap != 0x1b) {
  1602. CL22_WR_OVER_CL45(bp, phy,
  1603. MDIO_REG_BANK_XGXS_BLOCK2,
  1604. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1605. (tx_lane_swap |
  1606. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1607. } else {
  1608. CL22_WR_OVER_CL45(bp, phy,
  1609. MDIO_REG_BANK_XGXS_BLOCK2,
  1610. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1611. }
  1612. }
  1613. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1614. struct link_params *params)
  1615. {
  1616. struct bnx2x *bp = params->bp;
  1617. u16 control2;
  1618. CL22_RD_OVER_CL45(bp, phy,
  1619. MDIO_REG_BANK_SERDES_DIGITAL,
  1620. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1621. &control2);
  1622. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1623. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1624. else
  1625. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1626. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1627. phy->speed_cap_mask, control2);
  1628. CL22_WR_OVER_CL45(bp, phy,
  1629. MDIO_REG_BANK_SERDES_DIGITAL,
  1630. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1631. control2);
  1632. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1633. (phy->speed_cap_mask &
  1634. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1635. DP(NETIF_MSG_LINK, "XGXS\n");
  1636. CL22_WR_OVER_CL45(bp, phy,
  1637. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1638. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1639. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1640. CL22_RD_OVER_CL45(bp, phy,
  1641. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1642. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1643. &control2);
  1644. control2 |=
  1645. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1646. CL22_WR_OVER_CL45(bp, phy,
  1647. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1648. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1649. control2);
  1650. /* Disable parallel detection of HiG */
  1651. CL22_WR_OVER_CL45(bp, phy,
  1652. MDIO_REG_BANK_XGXS_BLOCK2,
  1653. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1654. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1655. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1656. }
  1657. }
  1658. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1659. struct link_params *params,
  1660. struct link_vars *vars,
  1661. u8 enable_cl73)
  1662. {
  1663. struct bnx2x *bp = params->bp;
  1664. u16 reg_val;
  1665. /* CL37 Autoneg */
  1666. CL22_RD_OVER_CL45(bp, phy,
  1667. MDIO_REG_BANK_COMBO_IEEE0,
  1668. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1669. /* CL37 Autoneg Enabled */
  1670. if (vars->line_speed == SPEED_AUTO_NEG)
  1671. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1672. else /* CL37 Autoneg Disabled */
  1673. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1674. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1675. CL22_WR_OVER_CL45(bp, phy,
  1676. MDIO_REG_BANK_COMBO_IEEE0,
  1677. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1678. /* Enable/Disable Autodetection */
  1679. CL22_RD_OVER_CL45(bp, phy,
  1680. MDIO_REG_BANK_SERDES_DIGITAL,
  1681. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1682. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1683. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1684. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1685. if (vars->line_speed == SPEED_AUTO_NEG)
  1686. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1687. else
  1688. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1689. CL22_WR_OVER_CL45(bp, phy,
  1690. MDIO_REG_BANK_SERDES_DIGITAL,
  1691. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1692. /* Enable TetonII and BAM autoneg */
  1693. CL22_RD_OVER_CL45(bp, phy,
  1694. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1695. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1696. &reg_val);
  1697. if (vars->line_speed == SPEED_AUTO_NEG) {
  1698. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1699. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1700. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1701. } else {
  1702. /* TetonII and BAM Autoneg Disabled */
  1703. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1704. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1705. }
  1706. CL22_WR_OVER_CL45(bp, phy,
  1707. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1708. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1709. reg_val);
  1710. if (enable_cl73) {
  1711. /* Enable Cl73 FSM status bits */
  1712. CL22_WR_OVER_CL45(bp, phy,
  1713. MDIO_REG_BANK_CL73_USERB0,
  1714. MDIO_CL73_USERB0_CL73_UCTRL,
  1715. 0xe);
  1716. /* Enable BAM Station Manager*/
  1717. CL22_WR_OVER_CL45(bp, phy,
  1718. MDIO_REG_BANK_CL73_USERB0,
  1719. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1720. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1721. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1722. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1723. /* Advertise CL73 link speeds */
  1724. CL22_RD_OVER_CL45(bp, phy,
  1725. MDIO_REG_BANK_CL73_IEEEB1,
  1726. MDIO_CL73_IEEEB1_AN_ADV2,
  1727. &reg_val);
  1728. if (phy->speed_cap_mask &
  1729. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1730. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1731. if (phy->speed_cap_mask &
  1732. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1733. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1734. CL22_WR_OVER_CL45(bp, phy,
  1735. MDIO_REG_BANK_CL73_IEEEB1,
  1736. MDIO_CL73_IEEEB1_AN_ADV2,
  1737. reg_val);
  1738. /* CL73 Autoneg Enabled */
  1739. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1740. } else /* CL73 Autoneg Disabled */
  1741. reg_val = 0;
  1742. CL22_WR_OVER_CL45(bp, phy,
  1743. MDIO_REG_BANK_CL73_IEEEB0,
  1744. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1745. }
  1746. /* program SerDes, forced speed */
  1747. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1748. struct link_params *params,
  1749. struct link_vars *vars)
  1750. {
  1751. struct bnx2x *bp = params->bp;
  1752. u16 reg_val;
  1753. /* program duplex, disable autoneg and sgmii*/
  1754. CL22_RD_OVER_CL45(bp, phy,
  1755. MDIO_REG_BANK_COMBO_IEEE0,
  1756. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1757. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1758. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1759. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1760. if (phy->req_duplex == DUPLEX_FULL)
  1761. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1762. CL22_WR_OVER_CL45(bp, phy,
  1763. MDIO_REG_BANK_COMBO_IEEE0,
  1764. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1765. /*
  1766. * program speed
  1767. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1768. */
  1769. CL22_RD_OVER_CL45(bp, phy,
  1770. MDIO_REG_BANK_SERDES_DIGITAL,
  1771. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1772. /* clearing the speed value before setting the right speed */
  1773. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1774. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1775. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1776. if (!((vars->line_speed == SPEED_1000) ||
  1777. (vars->line_speed == SPEED_100) ||
  1778. (vars->line_speed == SPEED_10))) {
  1779. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1780. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1781. if (vars->line_speed == SPEED_10000)
  1782. reg_val |=
  1783. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1784. if (vars->line_speed == SPEED_13000)
  1785. reg_val |=
  1786. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1787. }
  1788. CL22_WR_OVER_CL45(bp, phy,
  1789. MDIO_REG_BANK_SERDES_DIGITAL,
  1790. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1791. }
  1792. static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
  1793. struct link_params *params)
  1794. {
  1795. struct bnx2x *bp = params->bp;
  1796. u16 val = 0;
  1797. /* configure the 48 bits for BAM AN */
  1798. /* set extended capabilities */
  1799. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1800. val |= MDIO_OVER_1G_UP1_2_5G;
  1801. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1802. val |= MDIO_OVER_1G_UP1_10G;
  1803. CL22_WR_OVER_CL45(bp, phy,
  1804. MDIO_REG_BANK_OVER_1G,
  1805. MDIO_OVER_1G_UP1, val);
  1806. CL22_WR_OVER_CL45(bp, phy,
  1807. MDIO_REG_BANK_OVER_1G,
  1808. MDIO_OVER_1G_UP3, 0x400);
  1809. }
  1810. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1811. struct link_params *params, u16 *ieee_fc)
  1812. {
  1813. struct bnx2x *bp = params->bp;
  1814. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1815. /*
  1816. * Resolve pause mode and advertisement.
  1817. * Please refer to Table 28B-3 of the 802.3ab-1999 spec
  1818. */
  1819. switch (phy->req_flow_ctrl) {
  1820. case BNX2X_FLOW_CTRL_AUTO:
  1821. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1822. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1823. else
  1824. *ieee_fc |=
  1825. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1826. break;
  1827. case BNX2X_FLOW_CTRL_TX:
  1828. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1829. break;
  1830. case BNX2X_FLOW_CTRL_RX:
  1831. case BNX2X_FLOW_CTRL_BOTH:
  1832. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1833. break;
  1834. case BNX2X_FLOW_CTRL_NONE:
  1835. default:
  1836. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1837. break;
  1838. }
  1839. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1840. }
  1841. static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
  1842. struct link_params *params,
  1843. u16 ieee_fc)
  1844. {
  1845. struct bnx2x *bp = params->bp;
  1846. u16 val;
  1847. /* for AN, we are always publishing full duplex */
  1848. CL22_WR_OVER_CL45(bp, phy,
  1849. MDIO_REG_BANK_COMBO_IEEE0,
  1850. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1851. CL22_RD_OVER_CL45(bp, phy,
  1852. MDIO_REG_BANK_CL73_IEEEB1,
  1853. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1854. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1855. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1856. CL22_WR_OVER_CL45(bp, phy,
  1857. MDIO_REG_BANK_CL73_IEEEB1,
  1858. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1859. }
  1860. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1861. struct link_params *params,
  1862. u8 enable_cl73)
  1863. {
  1864. struct bnx2x *bp = params->bp;
  1865. u16 mii_control;
  1866. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1867. /* Enable and restart BAM/CL37 aneg */
  1868. if (enable_cl73) {
  1869. CL22_RD_OVER_CL45(bp, phy,
  1870. MDIO_REG_BANK_CL73_IEEEB0,
  1871. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1872. &mii_control);
  1873. CL22_WR_OVER_CL45(bp, phy,
  1874. MDIO_REG_BANK_CL73_IEEEB0,
  1875. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1876. (mii_control |
  1877. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1878. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1879. } else {
  1880. CL22_RD_OVER_CL45(bp, phy,
  1881. MDIO_REG_BANK_COMBO_IEEE0,
  1882. MDIO_COMBO_IEEE0_MII_CONTROL,
  1883. &mii_control);
  1884. DP(NETIF_MSG_LINK,
  1885. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1886. mii_control);
  1887. CL22_WR_OVER_CL45(bp, phy,
  1888. MDIO_REG_BANK_COMBO_IEEE0,
  1889. MDIO_COMBO_IEEE0_MII_CONTROL,
  1890. (mii_control |
  1891. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1892. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  1893. }
  1894. }
  1895. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  1896. struct link_params *params,
  1897. struct link_vars *vars)
  1898. {
  1899. struct bnx2x *bp = params->bp;
  1900. u16 control1;
  1901. /* in SGMII mode, the unicore is always slave */
  1902. CL22_RD_OVER_CL45(bp, phy,
  1903. MDIO_REG_BANK_SERDES_DIGITAL,
  1904. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1905. &control1);
  1906. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  1907. /* set sgmii mode (and not fiber) */
  1908. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  1909. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  1910. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  1911. CL22_WR_OVER_CL45(bp, phy,
  1912. MDIO_REG_BANK_SERDES_DIGITAL,
  1913. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1914. control1);
  1915. /* if forced speed */
  1916. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  1917. /* set speed, disable autoneg */
  1918. u16 mii_control;
  1919. CL22_RD_OVER_CL45(bp, phy,
  1920. MDIO_REG_BANK_COMBO_IEEE0,
  1921. MDIO_COMBO_IEEE0_MII_CONTROL,
  1922. &mii_control);
  1923. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1924. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  1925. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  1926. switch (vars->line_speed) {
  1927. case SPEED_100:
  1928. mii_control |=
  1929. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  1930. break;
  1931. case SPEED_1000:
  1932. mii_control |=
  1933. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  1934. break;
  1935. case SPEED_10:
  1936. /* there is nothing to set for 10M */
  1937. break;
  1938. default:
  1939. /* invalid speed for SGMII */
  1940. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1941. vars->line_speed);
  1942. break;
  1943. }
  1944. /* setting the full duplex */
  1945. if (phy->req_duplex == DUPLEX_FULL)
  1946. mii_control |=
  1947. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1948. CL22_WR_OVER_CL45(bp, phy,
  1949. MDIO_REG_BANK_COMBO_IEEE0,
  1950. MDIO_COMBO_IEEE0_MII_CONTROL,
  1951. mii_control);
  1952. } else { /* AN mode */
  1953. /* enable and restart AN */
  1954. bnx2x_restart_autoneg(phy, params, 0);
  1955. }
  1956. }
  1957. /*
  1958. * link management
  1959. */
  1960. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1961. { /* LD LP */
  1962. switch (pause_result) { /* ASYM P ASYM P */
  1963. case 0xb: /* 1 0 1 1 */
  1964. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1965. break;
  1966. case 0xe: /* 1 1 1 0 */
  1967. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1968. break;
  1969. case 0x5: /* 0 1 0 1 */
  1970. case 0x7: /* 0 1 1 1 */
  1971. case 0xd: /* 1 1 0 1 */
  1972. case 0xf: /* 1 1 1 1 */
  1973. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1974. break;
  1975. default:
  1976. break;
  1977. }
  1978. if (pause_result & (1<<0))
  1979. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1980. if (pause_result & (1<<1))
  1981. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1982. }
  1983. static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  1984. struct link_params *params)
  1985. {
  1986. struct bnx2x *bp = params->bp;
  1987. u16 pd_10g, status2_1000x;
  1988. if (phy->req_line_speed != SPEED_AUTO_NEG)
  1989. return 0;
  1990. CL22_RD_OVER_CL45(bp, phy,
  1991. MDIO_REG_BANK_SERDES_DIGITAL,
  1992. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1993. &status2_1000x);
  1994. CL22_RD_OVER_CL45(bp, phy,
  1995. MDIO_REG_BANK_SERDES_DIGITAL,
  1996. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1997. &status2_1000x);
  1998. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  1999. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2000. params->port);
  2001. return 1;
  2002. }
  2003. CL22_RD_OVER_CL45(bp, phy,
  2004. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2005. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2006. &pd_10g);
  2007. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2008. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2009. params->port);
  2010. return 1;
  2011. }
  2012. return 0;
  2013. }
  2014. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2015. struct link_params *params,
  2016. struct link_vars *vars,
  2017. u32 gp_status)
  2018. {
  2019. struct bnx2x *bp = params->bp;
  2020. u16 ld_pause; /* local driver */
  2021. u16 lp_pause; /* link partner */
  2022. u16 pause_result;
  2023. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2024. /* resolve from gp_status in case of AN complete and not sgmii */
  2025. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2026. vars->flow_ctrl = phy->req_flow_ctrl;
  2027. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2028. vars->flow_ctrl = params->req_fc_auto_adv;
  2029. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2030. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2031. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2032. vars->flow_ctrl = params->req_fc_auto_adv;
  2033. return;
  2034. }
  2035. if ((gp_status &
  2036. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2037. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2038. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2039. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2040. CL22_RD_OVER_CL45(bp, phy,
  2041. MDIO_REG_BANK_CL73_IEEEB1,
  2042. MDIO_CL73_IEEEB1_AN_ADV1,
  2043. &ld_pause);
  2044. CL22_RD_OVER_CL45(bp, phy,
  2045. MDIO_REG_BANK_CL73_IEEEB1,
  2046. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2047. &lp_pause);
  2048. pause_result = (ld_pause &
  2049. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2050. >> 8;
  2051. pause_result |= (lp_pause &
  2052. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2053. >> 10;
  2054. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2055. pause_result);
  2056. } else {
  2057. CL22_RD_OVER_CL45(bp, phy,
  2058. MDIO_REG_BANK_COMBO_IEEE0,
  2059. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2060. &ld_pause);
  2061. CL22_RD_OVER_CL45(bp, phy,
  2062. MDIO_REG_BANK_COMBO_IEEE0,
  2063. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2064. &lp_pause);
  2065. pause_result = (ld_pause &
  2066. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2067. pause_result |= (lp_pause &
  2068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2069. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2070. pause_result);
  2071. }
  2072. bnx2x_pause_resolve(vars, pause_result);
  2073. }
  2074. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2075. }
  2076. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2077. struct link_params *params)
  2078. {
  2079. struct bnx2x *bp = params->bp;
  2080. u16 rx_status, ustat_val, cl37_fsm_recieved;
  2081. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2082. /* Step 1: Make sure signal is detected */
  2083. CL22_RD_OVER_CL45(bp, phy,
  2084. MDIO_REG_BANK_RX0,
  2085. MDIO_RX0_RX_STATUS,
  2086. &rx_status);
  2087. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2088. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2089. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2090. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2091. CL22_WR_OVER_CL45(bp, phy,
  2092. MDIO_REG_BANK_CL73_IEEEB0,
  2093. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2094. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2095. return;
  2096. }
  2097. /* Step 2: Check CL73 state machine */
  2098. CL22_RD_OVER_CL45(bp, phy,
  2099. MDIO_REG_BANK_CL73_USERB0,
  2100. MDIO_CL73_USERB0_CL73_USTAT1,
  2101. &ustat_val);
  2102. if ((ustat_val &
  2103. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2104. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2105. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2106. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2107. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2108. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2109. return;
  2110. }
  2111. /*
  2112. * Step 3: Check CL37 Message Pages received to indicate LP
  2113. * supports only CL37
  2114. */
  2115. CL22_RD_OVER_CL45(bp, phy,
  2116. MDIO_REG_BANK_REMOTE_PHY,
  2117. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2118. &cl37_fsm_recieved);
  2119. if ((cl37_fsm_recieved &
  2120. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2121. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2122. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2123. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2124. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2125. "misc_rx_status(0x8330) = 0x%x\n",
  2126. cl37_fsm_recieved);
  2127. return;
  2128. }
  2129. /*
  2130. * The combined cl37/cl73 fsm state information indicating that
  2131. * we are connected to a device which does not support cl73, but
  2132. * does support cl37 BAM. In this case we disable cl73 and
  2133. * restart cl37 auto-neg
  2134. */
  2135. /* Disable CL73 */
  2136. CL22_WR_OVER_CL45(bp, phy,
  2137. MDIO_REG_BANK_CL73_IEEEB0,
  2138. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2139. 0);
  2140. /* Restart CL37 autoneg */
  2141. bnx2x_restart_autoneg(phy, params, 0);
  2142. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2143. }
  2144. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2145. struct link_params *params,
  2146. struct link_vars *vars,
  2147. u32 gp_status)
  2148. {
  2149. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2150. vars->link_status |=
  2151. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2152. if (bnx2x_direct_parallel_detect_used(phy, params))
  2153. vars->link_status |=
  2154. LINK_STATUS_PARALLEL_DETECTION_USED;
  2155. }
  2156. static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2157. struct link_params *params,
  2158. struct link_vars *vars)
  2159. {
  2160. struct bnx2x *bp = params->bp;
  2161. u16 new_line_speed, gp_status;
  2162. u8 rc = 0;
  2163. /* Read gp_status */
  2164. CL22_RD_OVER_CL45(bp, phy,
  2165. MDIO_REG_BANK_GP_STATUS,
  2166. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2167. &gp_status);
  2168. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2169. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2170. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2171. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2172. gp_status);
  2173. vars->phy_link_up = 1;
  2174. vars->link_status |= LINK_STATUS_LINK_UP;
  2175. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2176. vars->duplex = DUPLEX_FULL;
  2177. else
  2178. vars->duplex = DUPLEX_HALF;
  2179. if (SINGLE_MEDIA_DIRECT(params)) {
  2180. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2181. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2182. bnx2x_xgxs_an_resolve(phy, params, vars,
  2183. gp_status);
  2184. }
  2185. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2186. case GP_STATUS_10M:
  2187. new_line_speed = SPEED_10;
  2188. if (vars->duplex == DUPLEX_FULL)
  2189. vars->link_status |= LINK_10TFD;
  2190. else
  2191. vars->link_status |= LINK_10THD;
  2192. break;
  2193. case GP_STATUS_100M:
  2194. new_line_speed = SPEED_100;
  2195. if (vars->duplex == DUPLEX_FULL)
  2196. vars->link_status |= LINK_100TXFD;
  2197. else
  2198. vars->link_status |= LINK_100TXHD;
  2199. break;
  2200. case GP_STATUS_1G:
  2201. case GP_STATUS_1G_KX:
  2202. new_line_speed = SPEED_1000;
  2203. if (vars->duplex == DUPLEX_FULL)
  2204. vars->link_status |= LINK_1000TFD;
  2205. else
  2206. vars->link_status |= LINK_1000THD;
  2207. break;
  2208. case GP_STATUS_2_5G:
  2209. new_line_speed = SPEED_2500;
  2210. if (vars->duplex == DUPLEX_FULL)
  2211. vars->link_status |= LINK_2500TFD;
  2212. else
  2213. vars->link_status |= LINK_2500THD;
  2214. break;
  2215. case GP_STATUS_5G:
  2216. case GP_STATUS_6G:
  2217. DP(NETIF_MSG_LINK,
  2218. "link speed unsupported gp_status 0x%x\n",
  2219. gp_status);
  2220. return -EINVAL;
  2221. case GP_STATUS_10G_KX4:
  2222. case GP_STATUS_10G_HIG:
  2223. case GP_STATUS_10G_CX4:
  2224. new_line_speed = SPEED_10000;
  2225. vars->link_status |= LINK_10GTFD;
  2226. break;
  2227. case GP_STATUS_12G_HIG:
  2228. new_line_speed = SPEED_12000;
  2229. vars->link_status |= LINK_12GTFD;
  2230. break;
  2231. case GP_STATUS_12_5G:
  2232. new_line_speed = SPEED_12500;
  2233. vars->link_status |= LINK_12_5GTFD;
  2234. break;
  2235. case GP_STATUS_13G:
  2236. new_line_speed = SPEED_13000;
  2237. vars->link_status |= LINK_13GTFD;
  2238. break;
  2239. case GP_STATUS_15G:
  2240. new_line_speed = SPEED_15000;
  2241. vars->link_status |= LINK_15GTFD;
  2242. break;
  2243. case GP_STATUS_16G:
  2244. new_line_speed = SPEED_16000;
  2245. vars->link_status |= LINK_16GTFD;
  2246. break;
  2247. default:
  2248. DP(NETIF_MSG_LINK,
  2249. "link speed unsupported gp_status 0x%x\n",
  2250. gp_status);
  2251. return -EINVAL;
  2252. }
  2253. vars->line_speed = new_line_speed;
  2254. } else { /* link_down */
  2255. DP(NETIF_MSG_LINK, "phy link down\n");
  2256. vars->phy_link_up = 0;
  2257. vars->duplex = DUPLEX_FULL;
  2258. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2259. vars->mac_type = MAC_TYPE_NONE;
  2260. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2261. SINGLE_MEDIA_DIRECT(params)) {
  2262. /* Check signal is detected */
  2263. bnx2x_check_fallback_to_cl37(phy, params);
  2264. }
  2265. }
  2266. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2267. gp_status, vars->phy_link_up, vars->line_speed);
  2268. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2269. vars->duplex, vars->flow_ctrl, vars->link_status);
  2270. return rc;
  2271. }
  2272. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2273. {
  2274. struct bnx2x *bp = params->bp;
  2275. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2276. u16 lp_up2;
  2277. u16 tx_driver;
  2278. u16 bank;
  2279. /* read precomp */
  2280. CL22_RD_OVER_CL45(bp, phy,
  2281. MDIO_REG_BANK_OVER_1G,
  2282. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2283. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2284. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2285. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2286. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2287. if (lp_up2 == 0)
  2288. return;
  2289. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2290. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2291. CL22_RD_OVER_CL45(bp, phy,
  2292. bank,
  2293. MDIO_TX0_TX_DRIVER, &tx_driver);
  2294. /* replace tx_driver bits [15:12] */
  2295. if (lp_up2 !=
  2296. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2297. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2298. tx_driver |= lp_up2;
  2299. CL22_WR_OVER_CL45(bp, phy,
  2300. bank,
  2301. MDIO_TX0_TX_DRIVER, tx_driver);
  2302. }
  2303. }
  2304. }
  2305. static u8 bnx2x_emac_program(struct link_params *params,
  2306. struct link_vars *vars)
  2307. {
  2308. struct bnx2x *bp = params->bp;
  2309. u8 port = params->port;
  2310. u16 mode = 0;
  2311. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2312. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2313. EMAC_REG_EMAC_MODE,
  2314. (EMAC_MODE_25G_MODE |
  2315. EMAC_MODE_PORT_MII_10M |
  2316. EMAC_MODE_HALF_DUPLEX));
  2317. switch (vars->line_speed) {
  2318. case SPEED_10:
  2319. mode |= EMAC_MODE_PORT_MII_10M;
  2320. break;
  2321. case SPEED_100:
  2322. mode |= EMAC_MODE_PORT_MII;
  2323. break;
  2324. case SPEED_1000:
  2325. mode |= EMAC_MODE_PORT_GMII;
  2326. break;
  2327. case SPEED_2500:
  2328. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2329. break;
  2330. default:
  2331. /* 10G not valid for EMAC */
  2332. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2333. vars->line_speed);
  2334. return -EINVAL;
  2335. }
  2336. if (vars->duplex == DUPLEX_HALF)
  2337. mode |= EMAC_MODE_HALF_DUPLEX;
  2338. bnx2x_bits_en(bp,
  2339. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2340. mode);
  2341. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2342. return 0;
  2343. }
  2344. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2345. struct link_params *params)
  2346. {
  2347. u16 bank, i = 0;
  2348. struct bnx2x *bp = params->bp;
  2349. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2350. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2351. CL22_WR_OVER_CL45(bp, phy,
  2352. bank,
  2353. MDIO_RX0_RX_EQ_BOOST,
  2354. phy->rx_preemphasis[i]);
  2355. }
  2356. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2357. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2358. CL22_WR_OVER_CL45(bp, phy,
  2359. bank,
  2360. MDIO_TX0_TX_DRIVER,
  2361. phy->tx_preemphasis[i]);
  2362. }
  2363. }
  2364. static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
  2365. struct link_params *params,
  2366. struct link_vars *vars)
  2367. {
  2368. struct bnx2x *bp = params->bp;
  2369. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2370. (params->loopback_mode == LOOPBACK_XGXS));
  2371. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2372. if (SINGLE_MEDIA_DIRECT(params) &&
  2373. (params->feature_config_flags &
  2374. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2375. bnx2x_set_preemphasis(phy, params);
  2376. /* forced speed requested? */
  2377. if (vars->line_speed != SPEED_AUTO_NEG ||
  2378. (SINGLE_MEDIA_DIRECT(params) &&
  2379. params->loopback_mode == LOOPBACK_EXT)) {
  2380. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2381. /* disable autoneg */
  2382. bnx2x_set_autoneg(phy, params, vars, 0);
  2383. /* program speed and duplex */
  2384. bnx2x_program_serdes(phy, params, vars);
  2385. } else { /* AN_mode */
  2386. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2387. /* AN enabled */
  2388. bnx2x_set_brcm_cl37_advertisment(phy, params);
  2389. /* program duplex & pause advertisement (for aneg) */
  2390. bnx2x_set_ieee_aneg_advertisment(phy, params,
  2391. vars->ieee_fc);
  2392. /* enable autoneg */
  2393. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2394. /* enable and restart AN */
  2395. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2396. }
  2397. } else { /* SGMII mode */
  2398. DP(NETIF_MSG_LINK, "SGMII\n");
  2399. bnx2x_initialize_sgmii_process(phy, params, vars);
  2400. }
  2401. }
  2402. static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
  2403. struct link_params *params,
  2404. struct link_vars *vars)
  2405. {
  2406. u8 rc;
  2407. vars->phy_flags |= PHY_SGMII_FLAG;
  2408. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2409. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2410. rc = bnx2x_reset_unicore(params, phy, 1);
  2411. /* reset the SerDes and wait for reset bit return low */
  2412. if (rc != 0)
  2413. return rc;
  2414. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2415. return rc;
  2416. }
  2417. static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
  2418. struct link_params *params,
  2419. struct link_vars *vars)
  2420. {
  2421. u8 rc;
  2422. vars->phy_flags = PHY_XGXS_FLAG;
  2423. if ((phy->req_line_speed &&
  2424. ((phy->req_line_speed == SPEED_100) ||
  2425. (phy->req_line_speed == SPEED_10))) ||
  2426. (!phy->req_line_speed &&
  2427. (phy->speed_cap_mask >=
  2428. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2429. (phy->speed_cap_mask <
  2430. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  2431. ))
  2432. vars->phy_flags |= PHY_SGMII_FLAG;
  2433. else
  2434. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2435. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2436. bnx2x_set_aer_mmd_xgxs(params, phy);
  2437. bnx2x_set_master_ln(params, phy);
  2438. rc = bnx2x_reset_unicore(params, phy, 0);
  2439. /* reset the SerDes and wait for reset bit return low */
  2440. if (rc != 0)
  2441. return rc;
  2442. bnx2x_set_aer_mmd_xgxs(params, phy);
  2443. /* setting the masterLn_def again after the reset */
  2444. bnx2x_set_master_ln(params, phy);
  2445. bnx2x_set_swap_lanes(params, phy);
  2446. return rc;
  2447. }
  2448. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2449. struct bnx2x_phy *phy,
  2450. struct link_params *params)
  2451. {
  2452. u16 cnt, ctrl;
  2453. /* Wait for soft reset to get cleared up to 1 sec */
  2454. for (cnt = 0; cnt < 1000; cnt++) {
  2455. bnx2x_cl45_read(bp, phy,
  2456. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2457. if (!(ctrl & (1<<15)))
  2458. break;
  2459. msleep(1);
  2460. }
  2461. if (cnt == 1000)
  2462. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2463. " Port %d\n",
  2464. params->port);
  2465. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2466. return cnt;
  2467. }
  2468. static void bnx2x_link_int_enable(struct link_params *params)
  2469. {
  2470. u8 port = params->port;
  2471. u32 mask;
  2472. struct bnx2x *bp = params->bp;
  2473. /* Setting the status to report on link up for either XGXS or SerDes */
  2474. if (params->switch_cfg == SWITCH_CFG_10G) {
  2475. mask = (NIG_MASK_XGXS0_LINK10G |
  2476. NIG_MASK_XGXS0_LINK_STATUS);
  2477. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2478. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2479. params->phy[INT_PHY].type !=
  2480. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2481. mask |= NIG_MASK_MI_INT;
  2482. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2483. }
  2484. } else { /* SerDes */
  2485. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2486. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2487. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2488. params->phy[INT_PHY].type !=
  2489. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2490. mask |= NIG_MASK_MI_INT;
  2491. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2492. }
  2493. }
  2494. bnx2x_bits_en(bp,
  2495. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2496. mask);
  2497. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2498. (params->switch_cfg == SWITCH_CFG_10G),
  2499. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2500. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2501. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2502. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2503. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2504. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2505. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2506. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2507. }
  2508. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2509. u8 exp_mi_int)
  2510. {
  2511. u32 latch_status = 0;
  2512. /*
  2513. * Disable the MI INT ( external phy int ) by writing 1 to the
  2514. * status register. Link down indication is high-active-signal,
  2515. * so in this case we need to write the status to clear the XOR
  2516. */
  2517. /* Read Latched signals */
  2518. latch_status = REG_RD(bp,
  2519. NIG_REG_LATCH_STATUS_0 + port*8);
  2520. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2521. /* Handle only those with latched-signal=up.*/
  2522. if (exp_mi_int)
  2523. bnx2x_bits_en(bp,
  2524. NIG_REG_STATUS_INTERRUPT_PORT0
  2525. + port*4,
  2526. NIG_STATUS_EMAC0_MI_INT);
  2527. else
  2528. bnx2x_bits_dis(bp,
  2529. NIG_REG_STATUS_INTERRUPT_PORT0
  2530. + port*4,
  2531. NIG_STATUS_EMAC0_MI_INT);
  2532. if (latch_status & 1) {
  2533. /* For all latched-signal=up : Re-Arm Latch signals */
  2534. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2535. (latch_status & 0xfffe) | (latch_status & 1));
  2536. }
  2537. /* For all latched-signal=up,Write original_signal to status */
  2538. }
  2539. static void bnx2x_link_int_ack(struct link_params *params,
  2540. struct link_vars *vars, u8 is_10g)
  2541. {
  2542. struct bnx2x *bp = params->bp;
  2543. u8 port = params->port;
  2544. /*
  2545. * First reset all status we assume only one line will be
  2546. * change at a time
  2547. */
  2548. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2549. (NIG_STATUS_XGXS0_LINK10G |
  2550. NIG_STATUS_XGXS0_LINK_STATUS |
  2551. NIG_STATUS_SERDES0_LINK_STATUS));
  2552. if (vars->phy_link_up) {
  2553. if (is_10g) {
  2554. /*
  2555. * Disable the 10G link interrupt by writing 1 to the
  2556. * status register
  2557. */
  2558. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2559. bnx2x_bits_en(bp,
  2560. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2561. NIG_STATUS_XGXS0_LINK10G);
  2562. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2563. /*
  2564. * Disable the link interrupt by writing 1 to the
  2565. * relevant lane in the status register
  2566. */
  2567. u32 ser_lane = ((params->lane_config &
  2568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2569. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2570. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2571. vars->line_speed);
  2572. bnx2x_bits_en(bp,
  2573. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2574. ((1 << ser_lane) <<
  2575. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2576. } else { /* SerDes */
  2577. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2578. /*
  2579. * Disable the link interrupt by writing 1 to the status
  2580. * register
  2581. */
  2582. bnx2x_bits_en(bp,
  2583. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2584. NIG_STATUS_SERDES0_LINK_STATUS);
  2585. }
  2586. }
  2587. }
  2588. static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2589. {
  2590. u8 *str_ptr = str;
  2591. u32 mask = 0xf0000000;
  2592. u8 shift = 8*4;
  2593. u8 digit;
  2594. u8 remove_leading_zeros = 1;
  2595. if (*len < 10) {
  2596. /* Need more than 10chars for this format */
  2597. *str_ptr = '\0';
  2598. (*len)--;
  2599. return -EINVAL;
  2600. }
  2601. while (shift > 0) {
  2602. shift -= 4;
  2603. digit = ((num & mask) >> shift);
  2604. if (digit == 0 && remove_leading_zeros) {
  2605. mask = mask >> 4;
  2606. continue;
  2607. } else if (digit < 0xa)
  2608. *str_ptr = digit + '0';
  2609. else
  2610. *str_ptr = digit - 0xa + 'a';
  2611. remove_leading_zeros = 0;
  2612. str_ptr++;
  2613. (*len)--;
  2614. mask = mask >> 4;
  2615. if (shift == 4*4) {
  2616. *str_ptr = '.';
  2617. str_ptr++;
  2618. (*len)--;
  2619. remove_leading_zeros = 1;
  2620. }
  2621. }
  2622. return 0;
  2623. }
  2624. static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2625. {
  2626. str[0] = '\0';
  2627. (*len)--;
  2628. return 0;
  2629. }
  2630. u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2631. u8 *version, u16 len)
  2632. {
  2633. struct bnx2x *bp;
  2634. u32 spirom_ver = 0;
  2635. u8 status = 0;
  2636. u8 *ver_p = version;
  2637. u16 remain_len = len;
  2638. if (version == NULL || params == NULL)
  2639. return -EINVAL;
  2640. bp = params->bp;
  2641. /* Extract first external phy*/
  2642. version[0] = '\0';
  2643. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2644. if (params->phy[EXT_PHY1].format_fw_ver) {
  2645. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2646. ver_p,
  2647. &remain_len);
  2648. ver_p += (len - remain_len);
  2649. }
  2650. if ((params->num_phys == MAX_PHYS) &&
  2651. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2652. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2653. if (params->phy[EXT_PHY2].format_fw_ver) {
  2654. *ver_p = '/';
  2655. ver_p++;
  2656. remain_len--;
  2657. status |= params->phy[EXT_PHY2].format_fw_ver(
  2658. spirom_ver,
  2659. ver_p,
  2660. &remain_len);
  2661. ver_p = version + (len - remain_len);
  2662. }
  2663. }
  2664. *ver_p = '\0';
  2665. return status;
  2666. }
  2667. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2668. struct link_params *params)
  2669. {
  2670. u8 port = params->port;
  2671. struct bnx2x *bp = params->bp;
  2672. if (phy->req_line_speed != SPEED_1000) {
  2673. u32 md_devad;
  2674. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2675. /* change the uni_phy_addr in the nig */
  2676. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2677. port*0x18));
  2678. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2679. bnx2x_cl45_write(bp, phy,
  2680. 5,
  2681. (MDIO_REG_BANK_AER_BLOCK +
  2682. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2683. 0x2800);
  2684. bnx2x_cl45_write(bp, phy,
  2685. 5,
  2686. (MDIO_REG_BANK_CL73_IEEEB0 +
  2687. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2688. 0x6041);
  2689. msleep(200);
  2690. /* set aer mmd back */
  2691. bnx2x_set_aer_mmd_xgxs(params, phy);
  2692. /* and md_devad */
  2693. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2694. } else {
  2695. u16 mii_ctrl;
  2696. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2697. bnx2x_cl45_read(bp, phy, 5,
  2698. (MDIO_REG_BANK_COMBO_IEEE0 +
  2699. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2700. &mii_ctrl);
  2701. bnx2x_cl45_write(bp, phy, 5,
  2702. (MDIO_REG_BANK_COMBO_IEEE0 +
  2703. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2704. mii_ctrl |
  2705. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2706. }
  2707. }
  2708. u8 bnx2x_set_led(struct link_params *params,
  2709. struct link_vars *vars, u8 mode, u32 speed)
  2710. {
  2711. u8 port = params->port;
  2712. u16 hw_led_mode = params->hw_led_mode;
  2713. u8 rc = 0, phy_idx;
  2714. u32 tmp;
  2715. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2716. struct bnx2x *bp = params->bp;
  2717. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2718. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2719. speed, hw_led_mode);
  2720. /* In case */
  2721. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2722. if (params->phy[phy_idx].set_link_led) {
  2723. params->phy[phy_idx].set_link_led(
  2724. &params->phy[phy_idx], params, mode);
  2725. }
  2726. }
  2727. switch (mode) {
  2728. case LED_MODE_FRONT_PANEL_OFF:
  2729. case LED_MODE_OFF:
  2730. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2731. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2732. SHARED_HW_CFG_LED_MAC1);
  2733. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2734. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2735. break;
  2736. case LED_MODE_OPER:
  2737. /*
  2738. * For all other phys, OPER mode is same as ON, so in case
  2739. * link is down, do nothing
  2740. */
  2741. if (!vars->link_up)
  2742. break;
  2743. case LED_MODE_ON:
  2744. if (((params->phy[EXT_PHY1].type ==
  2745. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2746. (params->phy[EXT_PHY1].type ==
  2747. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2748. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2749. /*
  2750. * This is a work-around for E2+8727 Configurations
  2751. */
  2752. if (mode == LED_MODE_ON ||
  2753. speed == SPEED_10000){
  2754. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2755. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2756. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2757. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2758. (tmp | EMAC_LED_OVERRIDE));
  2759. return rc;
  2760. }
  2761. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2762. /*
  2763. * This is a work-around for HW issue found when link
  2764. * is up in CL73
  2765. */
  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. } else {
  2769. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2770. }
  2771. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2772. /* Set blinking rate to ~15.9Hz */
  2773. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2774. LED_BLINK_RATE_VAL);
  2775. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2776. port*4, 1);
  2777. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2778. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2779. if (CHIP_IS_E1(bp) &&
  2780. ((speed == SPEED_2500) ||
  2781. (speed == SPEED_1000) ||
  2782. (speed == SPEED_100) ||
  2783. (speed == SPEED_10))) {
  2784. /*
  2785. * On Everest 1 Ax chip versions for speeds less than
  2786. * 10G LED scheme is different
  2787. */
  2788. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2789. + port*4, 1);
  2790. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2791. port*4, 0);
  2792. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2793. port*4, 1);
  2794. }
  2795. break;
  2796. default:
  2797. rc = -EINVAL;
  2798. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2799. mode);
  2800. break;
  2801. }
  2802. return rc;
  2803. }
  2804. /*
  2805. * This function comes to reflect the actual link state read DIRECTLY from the
  2806. * HW
  2807. */
  2808. u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2809. u8 is_serdes)
  2810. {
  2811. struct bnx2x *bp = params->bp;
  2812. u16 gp_status = 0, phy_index = 0;
  2813. u8 ext_phy_link_up = 0, serdes_phy_type;
  2814. struct link_vars temp_vars;
  2815. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2816. MDIO_REG_BANK_GP_STATUS,
  2817. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2818. &gp_status);
  2819. /* link is up only if both local phy and external phy are up */
  2820. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2821. return -ESRCH;
  2822. switch (params->num_phys) {
  2823. case 1:
  2824. /* No external PHY */
  2825. return 0;
  2826. case 2:
  2827. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2828. &params->phy[EXT_PHY1],
  2829. params, &temp_vars);
  2830. break;
  2831. case 3: /* Dual Media */
  2832. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2833. phy_index++) {
  2834. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2835. ETH_PHY_SFP_FIBER) ||
  2836. (params->phy[phy_index].media_type ==
  2837. ETH_PHY_XFP_FIBER) ||
  2838. (params->phy[phy_index].media_type ==
  2839. ETH_PHY_DA_TWINAX));
  2840. if (is_serdes != serdes_phy_type)
  2841. continue;
  2842. if (params->phy[phy_index].read_status) {
  2843. ext_phy_link_up |=
  2844. params->phy[phy_index].read_status(
  2845. &params->phy[phy_index],
  2846. params, &temp_vars);
  2847. }
  2848. }
  2849. break;
  2850. }
  2851. if (ext_phy_link_up)
  2852. return 0;
  2853. return -ESRCH;
  2854. }
  2855. static u8 bnx2x_link_initialize(struct link_params *params,
  2856. struct link_vars *vars)
  2857. {
  2858. u8 rc = 0;
  2859. u8 phy_index, non_ext_phy;
  2860. struct bnx2x *bp = params->bp;
  2861. /*
  2862. * In case of external phy existence, the line speed would be the
  2863. * line speed linked up by the external phy. In case it is direct
  2864. * only, then the line_speed during initialization will be
  2865. * equal to the req_line_speed
  2866. */
  2867. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2868. /*
  2869. * Initialize the internal phy in case this is a direct board
  2870. * (no external phys), or this board has external phy which requires
  2871. * to first.
  2872. */
  2873. if (params->phy[INT_PHY].config_init)
  2874. params->phy[INT_PHY].config_init(
  2875. &params->phy[INT_PHY],
  2876. params, vars);
  2877. /* init ext phy and enable link state int */
  2878. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2879. (params->loopback_mode == LOOPBACK_XGXS));
  2880. if (non_ext_phy ||
  2881. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2882. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2883. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2884. if (vars->line_speed == SPEED_AUTO_NEG)
  2885. bnx2x_set_parallel_detection(phy, params);
  2886. bnx2x_init_internal_phy(phy, params, vars);
  2887. }
  2888. /* Init external phy*/
  2889. if (!non_ext_phy)
  2890. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2891. phy_index++) {
  2892. /*
  2893. * No need to initialize second phy in case of first
  2894. * phy only selection. In case of second phy, we do
  2895. * need to initialize the first phy, since they are
  2896. * connected.
  2897. */
  2898. if (phy_index == EXT_PHY2 &&
  2899. (bnx2x_phy_selection(params) ==
  2900. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2901. DP(NETIF_MSG_LINK, "Ignoring second phy\n");
  2902. continue;
  2903. }
  2904. params->phy[phy_index].config_init(
  2905. &params->phy[phy_index],
  2906. params, vars);
  2907. }
  2908. /* Reset the interrupt indication after phy was initialized */
  2909. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2910. params->port*4,
  2911. (NIG_STATUS_XGXS0_LINK10G |
  2912. NIG_STATUS_XGXS0_LINK_STATUS |
  2913. NIG_STATUS_SERDES0_LINK_STATUS |
  2914. NIG_MASK_MI_INT));
  2915. return rc;
  2916. }
  2917. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  2918. struct link_params *params)
  2919. {
  2920. /* reset the SerDes/XGXS */
  2921. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  2922. (0x1ff << (params->port*16)));
  2923. }
  2924. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  2925. struct link_params *params)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. u8 gpio_port;
  2929. /* HW reset */
  2930. if (CHIP_IS_E2(bp))
  2931. gpio_port = BP_PATH(bp);
  2932. else
  2933. gpio_port = params->port;
  2934. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  2935. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2936. gpio_port);
  2937. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  2938. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2939. gpio_port);
  2940. DP(NETIF_MSG_LINK, "reset external PHY\n");
  2941. }
  2942. static u8 bnx2x_update_link_down(struct link_params *params,
  2943. struct link_vars *vars)
  2944. {
  2945. struct bnx2x *bp = params->bp;
  2946. u8 port = params->port;
  2947. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  2948. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  2949. /* indicate no mac active */
  2950. vars->mac_type = MAC_TYPE_NONE;
  2951. /* update shared memory */
  2952. vars->link_status = 0;
  2953. vars->line_speed = 0;
  2954. bnx2x_update_mng(params, vars->link_status);
  2955. /* activate nig drain */
  2956. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  2957. /* disable emac */
  2958. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  2959. msleep(10);
  2960. /* reset BigMac */
  2961. bnx2x_bmac_rx_disable(bp, params->port);
  2962. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2963. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2964. return 0;
  2965. }
  2966. static u8 bnx2x_update_link_up(struct link_params *params,
  2967. struct link_vars *vars,
  2968. u8 link_10g)
  2969. {
  2970. struct bnx2x *bp = params->bp;
  2971. u8 port = params->port;
  2972. u8 rc = 0;
  2973. vars->link_status |= LINK_STATUS_LINK_UP;
  2974. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  2975. vars->link_status |=
  2976. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  2977. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  2978. vars->link_status |=
  2979. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  2980. if (link_10g) {
  2981. bnx2x_bmac_enable(params, vars, 0);
  2982. bnx2x_set_led(params, vars,
  2983. LED_MODE_OPER, SPEED_10000);
  2984. } else {
  2985. rc = bnx2x_emac_program(params, vars);
  2986. bnx2x_emac_enable(params, vars, 0);
  2987. /* AN complete? */
  2988. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  2989. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  2990. SINGLE_MEDIA_DIRECT(params))
  2991. bnx2x_set_gmii_tx_driver(params);
  2992. }
  2993. /* PBF - link up */
  2994. if (!(CHIP_IS_E2(bp)))
  2995. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  2996. vars->line_speed);
  2997. /* disable drain */
  2998. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  2999. /* update shared memory */
  3000. bnx2x_update_mng(params, vars->link_status);
  3001. msleep(20);
  3002. return rc;
  3003. }
  3004. /*
  3005. * The bnx2x_link_update function should be called upon link
  3006. * interrupt.
  3007. * Link is considered up as follows:
  3008. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3009. * to be up
  3010. * - SINGLE_MEDIA - The link between the 577xx and the external
  3011. * phy (XGXS) need to up as well as the external link of the
  3012. * phy (PHY_EXT1)
  3013. * - DUAL_MEDIA - The link between the 577xx and the first
  3014. * external phy needs to be up, and at least one of the 2
  3015. * external phy link must be up.
  3016. */
  3017. u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3018. {
  3019. struct bnx2x *bp = params->bp;
  3020. struct link_vars phy_vars[MAX_PHYS];
  3021. u8 port = params->port;
  3022. u8 link_10g, phy_index;
  3023. u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
  3024. u8 is_mi_int = 0;
  3025. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3026. u8 active_external_phy = INT_PHY;
  3027. vars->link_status = 0;
  3028. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3029. phy_index++) {
  3030. phy_vars[phy_index].flow_ctrl = 0;
  3031. phy_vars[phy_index].link_status = 0;
  3032. phy_vars[phy_index].line_speed = 0;
  3033. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3034. phy_vars[phy_index].phy_link_up = 0;
  3035. phy_vars[phy_index].link_up = 0;
  3036. }
  3037. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3038. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3039. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3040. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3041. port*0x18) > 0);
  3042. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3043. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3044. is_mi_int,
  3045. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3046. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3047. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3048. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3049. /* disable emac */
  3050. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3051. /*
  3052. * Step 1:
  3053. * Check external link change only for external phys, and apply
  3054. * priority selection between them in case the link on both phys
  3055. * is up. Note that the instead of the common vars, a temporary
  3056. * vars argument is used since each phy may have different link/
  3057. * speed/duplex result
  3058. */
  3059. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3060. phy_index++) {
  3061. struct bnx2x_phy *phy = &params->phy[phy_index];
  3062. if (!phy->read_status)
  3063. continue;
  3064. /* Read link status and params of this ext phy */
  3065. cur_link_up = phy->read_status(phy, params,
  3066. &phy_vars[phy_index]);
  3067. if (cur_link_up) {
  3068. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3069. phy_index);
  3070. } else {
  3071. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3072. phy_index);
  3073. continue;
  3074. }
  3075. if (!ext_phy_link_up) {
  3076. ext_phy_link_up = 1;
  3077. active_external_phy = phy_index;
  3078. } else {
  3079. switch (bnx2x_phy_selection(params)) {
  3080. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3081. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3082. /*
  3083. * In this option, the first PHY makes sure to pass the
  3084. * traffic through itself only.
  3085. * Its not clear how to reset the link on the second phy
  3086. */
  3087. active_external_phy = EXT_PHY1;
  3088. break;
  3089. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3090. /*
  3091. * In this option, the first PHY makes sure to pass the
  3092. * traffic through the second PHY.
  3093. */
  3094. active_external_phy = EXT_PHY2;
  3095. break;
  3096. default:
  3097. /*
  3098. * Link indication on both PHYs with the following cases
  3099. * is invalid:
  3100. * - FIRST_PHY means that second phy wasn't initialized,
  3101. * hence its link is expected to be down
  3102. * - SECOND_PHY means that first phy should not be able
  3103. * to link up by itself (using configuration)
  3104. * - DEFAULT should be overriden during initialiazation
  3105. */
  3106. DP(NETIF_MSG_LINK, "Invalid link indication"
  3107. "mpc=0x%x. DISABLING LINK !!!\n",
  3108. params->multi_phy_config);
  3109. ext_phy_link_up = 0;
  3110. break;
  3111. }
  3112. }
  3113. }
  3114. prev_line_speed = vars->line_speed;
  3115. /*
  3116. * Step 2:
  3117. * Read the status of the internal phy. In case of
  3118. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3119. * otherwise this is the link between the 577xx and the first
  3120. * external phy
  3121. */
  3122. if (params->phy[INT_PHY].read_status)
  3123. params->phy[INT_PHY].read_status(
  3124. &params->phy[INT_PHY],
  3125. params, vars);
  3126. /*
  3127. * The INT_PHY flow control reside in the vars. This include the
  3128. * case where the speed or flow control are not set to AUTO.
  3129. * Otherwise, the active external phy flow control result is set
  3130. * to the vars. The ext_phy_line_speed is needed to check if the
  3131. * speed is different between the internal phy and external phy.
  3132. * This case may be result of intermediate link speed change.
  3133. */
  3134. if (active_external_phy > INT_PHY) {
  3135. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3136. /*
  3137. * Link speed is taken from the XGXS. AN and FC result from
  3138. * the external phy.
  3139. */
  3140. vars->link_status |= phy_vars[active_external_phy].link_status;
  3141. /*
  3142. * if active_external_phy is first PHY and link is up - disable
  3143. * disable TX on second external PHY
  3144. */
  3145. if (active_external_phy == EXT_PHY1) {
  3146. if (params->phy[EXT_PHY2].phy_specific_func) {
  3147. DP(NETIF_MSG_LINK, "Disabling TX on"
  3148. " EXT_PHY2\n");
  3149. params->phy[EXT_PHY2].phy_specific_func(
  3150. &params->phy[EXT_PHY2],
  3151. params, DISABLE_TX);
  3152. }
  3153. }
  3154. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3155. vars->duplex = phy_vars[active_external_phy].duplex;
  3156. if (params->phy[active_external_phy].supported &
  3157. SUPPORTED_FIBRE)
  3158. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3159. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3160. active_external_phy);
  3161. }
  3162. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3163. phy_index++) {
  3164. if (params->phy[phy_index].flags &
  3165. FLAGS_REARM_LATCH_SIGNAL) {
  3166. bnx2x_rearm_latch_signal(bp, port,
  3167. phy_index ==
  3168. active_external_phy);
  3169. break;
  3170. }
  3171. }
  3172. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3173. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3174. vars->link_status, ext_phy_line_speed);
  3175. /*
  3176. * Upon link speed change set the NIG into drain mode. Comes to
  3177. * deals with possible FIFO glitch due to clk change when speed
  3178. * is decreased without link down indicator
  3179. */
  3180. if (vars->phy_link_up) {
  3181. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3182. (ext_phy_line_speed != vars->line_speed)) {
  3183. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3184. " different than the external"
  3185. " link speed %d\n", vars->line_speed,
  3186. ext_phy_line_speed);
  3187. vars->phy_link_up = 0;
  3188. } else if (prev_line_speed != vars->line_speed) {
  3189. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3190. 0);
  3191. msleep(1);
  3192. }
  3193. }
  3194. /* anything 10 and over uses the bmac */
  3195. link_10g = ((vars->line_speed == SPEED_10000) ||
  3196. (vars->line_speed == SPEED_12000) ||
  3197. (vars->line_speed == SPEED_12500) ||
  3198. (vars->line_speed == SPEED_13000) ||
  3199. (vars->line_speed == SPEED_15000) ||
  3200. (vars->line_speed == SPEED_16000));
  3201. bnx2x_link_int_ack(params, vars, link_10g);
  3202. /*
  3203. * In case external phy link is up, and internal link is down
  3204. * (not initialized yet probably after link initialization, it
  3205. * needs to be initialized.
  3206. * Note that after link down-up as result of cable plug, the xgxs
  3207. * link would probably become up again without the need
  3208. * initialize it
  3209. */
  3210. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3211. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3212. " init_preceding = %d\n", ext_phy_link_up,
  3213. vars->phy_link_up,
  3214. params->phy[EXT_PHY1].flags &
  3215. FLAGS_INIT_XGXS_FIRST);
  3216. if (!(params->phy[EXT_PHY1].flags &
  3217. FLAGS_INIT_XGXS_FIRST)
  3218. && ext_phy_link_up && !vars->phy_link_up) {
  3219. vars->line_speed = ext_phy_line_speed;
  3220. if (vars->line_speed < SPEED_1000)
  3221. vars->phy_flags |= PHY_SGMII_FLAG;
  3222. else
  3223. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3224. bnx2x_init_internal_phy(&params->phy[INT_PHY],
  3225. params,
  3226. vars);
  3227. }
  3228. }
  3229. /*
  3230. * Link is up only if both local phy and external phy (in case of
  3231. * non-direct board) are up
  3232. */
  3233. vars->link_up = (vars->phy_link_up &&
  3234. (ext_phy_link_up ||
  3235. SINGLE_MEDIA_DIRECT(params)));
  3236. if (vars->link_up)
  3237. rc = bnx2x_update_link_up(params, vars, link_10g);
  3238. else
  3239. rc = bnx2x_update_link_down(params, vars);
  3240. return rc;
  3241. }
  3242. /*****************************************************************************/
  3243. /* External Phy section */
  3244. /*****************************************************************************/
  3245. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3246. {
  3247. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3248. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3249. msleep(1);
  3250. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3251. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3252. }
  3253. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3254. u32 spirom_ver, u32 ver_addr)
  3255. {
  3256. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3257. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3258. if (ver_addr)
  3259. REG_WR(bp, ver_addr, spirom_ver);
  3260. }
  3261. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3262. struct bnx2x_phy *phy,
  3263. u8 port)
  3264. {
  3265. u16 fw_ver1, fw_ver2;
  3266. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3267. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3268. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3269. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3270. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3271. phy->ver_addr);
  3272. }
  3273. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3274. struct bnx2x_phy *phy,
  3275. struct link_vars *vars)
  3276. {
  3277. u16 val;
  3278. struct bnx2x *bp = params->bp;
  3279. /* read modify write pause advertizing */
  3280. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3281. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3282. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3283. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3284. if ((vars->ieee_fc &
  3285. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3286. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3287. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3288. }
  3289. if ((vars->ieee_fc &
  3290. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3291. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3292. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3293. }
  3294. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3295. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3296. }
  3297. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3298. struct link_params *params,
  3299. struct link_vars *vars)
  3300. {
  3301. struct bnx2x *bp = params->bp;
  3302. u16 ld_pause; /* local */
  3303. u16 lp_pause; /* link partner */
  3304. u16 pause_result;
  3305. u8 ret = 0;
  3306. /* read twice */
  3307. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3308. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3309. vars->flow_ctrl = phy->req_flow_ctrl;
  3310. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3311. vars->flow_ctrl = params->req_fc_auto_adv;
  3312. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3313. ret = 1;
  3314. bnx2x_cl45_read(bp, phy,
  3315. MDIO_AN_DEVAD,
  3316. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3317. bnx2x_cl45_read(bp, phy,
  3318. MDIO_AN_DEVAD,
  3319. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3320. pause_result = (ld_pause &
  3321. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3322. pause_result |= (lp_pause &
  3323. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3324. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3325. pause_result);
  3326. bnx2x_pause_resolve(vars, pause_result);
  3327. }
  3328. return ret;
  3329. }
  3330. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3331. struct bnx2x_phy *phy,
  3332. struct link_vars *vars)
  3333. {
  3334. u16 val;
  3335. bnx2x_cl45_read(bp, phy,
  3336. MDIO_AN_DEVAD,
  3337. MDIO_AN_REG_STATUS, &val);
  3338. bnx2x_cl45_read(bp, phy,
  3339. MDIO_AN_DEVAD,
  3340. MDIO_AN_REG_STATUS, &val);
  3341. if (val & (1<<5))
  3342. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3343. if ((val & (1<<0)) == 0)
  3344. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3345. }
  3346. /******************************************************************/
  3347. /* common BCM8073/BCM8727 PHY SECTION */
  3348. /******************************************************************/
  3349. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3350. struct link_params *params,
  3351. struct link_vars *vars)
  3352. {
  3353. struct bnx2x *bp = params->bp;
  3354. if (phy->req_line_speed == SPEED_10 ||
  3355. phy->req_line_speed == SPEED_100) {
  3356. vars->flow_ctrl = phy->req_flow_ctrl;
  3357. return;
  3358. }
  3359. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3360. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3361. u16 pause_result;
  3362. u16 ld_pause; /* local */
  3363. u16 lp_pause; /* link partner */
  3364. bnx2x_cl45_read(bp, phy,
  3365. MDIO_AN_DEVAD,
  3366. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3367. bnx2x_cl45_read(bp, phy,
  3368. MDIO_AN_DEVAD,
  3369. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3370. pause_result = (ld_pause &
  3371. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3372. pause_result |= (lp_pause &
  3373. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3374. bnx2x_pause_resolve(vars, pause_result);
  3375. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3376. pause_result);
  3377. }
  3378. }
  3379. static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3380. struct bnx2x_phy *phy,
  3381. u8 port)
  3382. {
  3383. u32 count = 0;
  3384. u16 fw_ver1, fw_msgout;
  3385. u8 rc = 0;
  3386. /* Boot port from external ROM */
  3387. /* EDC grst */
  3388. bnx2x_cl45_write(bp, phy,
  3389. MDIO_PMA_DEVAD,
  3390. MDIO_PMA_REG_GEN_CTRL,
  3391. 0x0001);
  3392. /* ucode reboot and rst */
  3393. bnx2x_cl45_write(bp, phy,
  3394. MDIO_PMA_DEVAD,
  3395. MDIO_PMA_REG_GEN_CTRL,
  3396. 0x008c);
  3397. bnx2x_cl45_write(bp, phy,
  3398. MDIO_PMA_DEVAD,
  3399. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3400. /* Reset internal microprocessor */
  3401. bnx2x_cl45_write(bp, phy,
  3402. MDIO_PMA_DEVAD,
  3403. MDIO_PMA_REG_GEN_CTRL,
  3404. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3405. /* Release srst bit */
  3406. bnx2x_cl45_write(bp, phy,
  3407. MDIO_PMA_DEVAD,
  3408. MDIO_PMA_REG_GEN_CTRL,
  3409. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3410. /* Delay 100ms per the PHY specifications */
  3411. msleep(100);
  3412. /* 8073 sometimes taking longer to download */
  3413. do {
  3414. count++;
  3415. if (count > 300) {
  3416. DP(NETIF_MSG_LINK,
  3417. "bnx2x_8073_8727_external_rom_boot port %x:"
  3418. "Download failed. fw version = 0x%x\n",
  3419. port, fw_ver1);
  3420. rc = -EINVAL;
  3421. break;
  3422. }
  3423. bnx2x_cl45_read(bp, phy,
  3424. MDIO_PMA_DEVAD,
  3425. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3426. bnx2x_cl45_read(bp, phy,
  3427. MDIO_PMA_DEVAD,
  3428. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3429. msleep(1);
  3430. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3431. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3432. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3433. /* Clear ser_boot_ctl bit */
  3434. bnx2x_cl45_write(bp, phy,
  3435. MDIO_PMA_DEVAD,
  3436. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3437. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3438. DP(NETIF_MSG_LINK,
  3439. "bnx2x_8073_8727_external_rom_boot port %x:"
  3440. "Download complete. fw version = 0x%x\n",
  3441. port, fw_ver1);
  3442. return rc;
  3443. }
  3444. /******************************************************************/
  3445. /* BCM8073 PHY SECTION */
  3446. /******************************************************************/
  3447. static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3448. {
  3449. /* This is only required for 8073A1, version 102 only */
  3450. u16 val;
  3451. /* Read 8073 HW revision*/
  3452. bnx2x_cl45_read(bp, phy,
  3453. MDIO_PMA_DEVAD,
  3454. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3455. if (val != 1) {
  3456. /* No need to workaround in 8073 A1 */
  3457. return 0;
  3458. }
  3459. bnx2x_cl45_read(bp, phy,
  3460. MDIO_PMA_DEVAD,
  3461. MDIO_PMA_REG_ROM_VER2, &val);
  3462. /* SNR should be applied only for version 0x102 */
  3463. if (val != 0x102)
  3464. return 0;
  3465. return 1;
  3466. }
  3467. static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3468. {
  3469. u16 val, cnt, cnt1 ;
  3470. bnx2x_cl45_read(bp, phy,
  3471. MDIO_PMA_DEVAD,
  3472. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3473. if (val > 0) {
  3474. /* No need to workaround in 8073 A1 */
  3475. return 0;
  3476. }
  3477. /* XAUI workaround in 8073 A0: */
  3478. /*
  3479. * After loading the boot ROM and restarting Autoneg, poll
  3480. * Dev1, Reg $C820:
  3481. */
  3482. for (cnt = 0; cnt < 1000; cnt++) {
  3483. bnx2x_cl45_read(bp, phy,
  3484. MDIO_PMA_DEVAD,
  3485. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3486. &val);
  3487. /*
  3488. * If bit [14] = 0 or bit [13] = 0, continue on with
  3489. * system initialization (XAUI work-around not required, as
  3490. * these bits indicate 2.5G or 1G link up).
  3491. */
  3492. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3493. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3494. return 0;
  3495. } else if (!(val & (1<<15))) {
  3496. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3497. /*
  3498. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3499. * MSB (bit15) goes to 1 (indicating that the XAUI
  3500. * workaround has completed), then continue on with
  3501. * system initialization.
  3502. */
  3503. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3504. bnx2x_cl45_read(bp, phy,
  3505. MDIO_PMA_DEVAD,
  3506. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3507. if (val & (1<<15)) {
  3508. DP(NETIF_MSG_LINK,
  3509. "XAUI workaround has completed\n");
  3510. return 0;
  3511. }
  3512. msleep(3);
  3513. }
  3514. break;
  3515. }
  3516. msleep(3);
  3517. }
  3518. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3519. return -EINVAL;
  3520. }
  3521. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3522. {
  3523. /* Force KR or KX */
  3524. bnx2x_cl45_write(bp, phy,
  3525. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3526. bnx2x_cl45_write(bp, phy,
  3527. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3528. bnx2x_cl45_write(bp, phy,
  3529. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3530. bnx2x_cl45_write(bp, phy,
  3531. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3532. }
  3533. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3534. struct bnx2x_phy *phy,
  3535. struct link_vars *vars)
  3536. {
  3537. u16 cl37_val;
  3538. struct bnx2x *bp = params->bp;
  3539. bnx2x_cl45_read(bp, phy,
  3540. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3541. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3542. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3543. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3544. if ((vars->ieee_fc &
  3545. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3546. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3547. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3548. }
  3549. if ((vars->ieee_fc &
  3550. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3551. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3552. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3553. }
  3554. if ((vars->ieee_fc &
  3555. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3556. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3557. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3558. }
  3559. DP(NETIF_MSG_LINK,
  3560. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3561. bnx2x_cl45_write(bp, phy,
  3562. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3563. msleep(500);
  3564. }
  3565. static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3566. struct link_params *params,
  3567. struct link_vars *vars)
  3568. {
  3569. struct bnx2x *bp = params->bp;
  3570. u16 val = 0, tmp1;
  3571. u8 gpio_port;
  3572. DP(NETIF_MSG_LINK, "Init 8073\n");
  3573. if (CHIP_IS_E2(bp))
  3574. gpio_port = BP_PATH(bp);
  3575. else
  3576. gpio_port = params->port;
  3577. /* Restore normal power mode*/
  3578. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3579. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3580. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3581. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3582. /* enable LASI */
  3583. bnx2x_cl45_write(bp, phy,
  3584. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3585. bnx2x_cl45_write(bp, phy,
  3586. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3587. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3588. bnx2x_cl45_read(bp, phy,
  3589. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3590. bnx2x_cl45_read(bp, phy,
  3591. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3592. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3593. /* Swap polarity if required - Must be done only in non-1G mode */
  3594. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3595. /* Configure the 8073 to swap _P and _N of the KR lines */
  3596. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3597. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3598. bnx2x_cl45_read(bp, phy,
  3599. MDIO_PMA_DEVAD,
  3600. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3601. bnx2x_cl45_write(bp, phy,
  3602. MDIO_PMA_DEVAD,
  3603. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3604. (val | (3<<9)));
  3605. }
  3606. /* Enable CL37 BAM */
  3607. if (REG_RD(bp, params->shmem_base +
  3608. offsetof(struct shmem_region, dev_info.
  3609. port_hw_config[params->port].default_cfg)) &
  3610. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3611. bnx2x_cl45_read(bp, phy,
  3612. MDIO_AN_DEVAD,
  3613. MDIO_AN_REG_8073_BAM, &val);
  3614. bnx2x_cl45_write(bp, phy,
  3615. MDIO_AN_DEVAD,
  3616. MDIO_AN_REG_8073_BAM, val | 1);
  3617. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3618. }
  3619. if (params->loopback_mode == LOOPBACK_EXT) {
  3620. bnx2x_807x_force_10G(bp, phy);
  3621. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3622. return 0;
  3623. } else {
  3624. bnx2x_cl45_write(bp, phy,
  3625. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3626. }
  3627. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3628. if (phy->req_line_speed == SPEED_10000) {
  3629. val = (1<<7);
  3630. } else if (phy->req_line_speed == SPEED_2500) {
  3631. val = (1<<5);
  3632. /*
  3633. * Note that 2.5G works only when used with 1G
  3634. * advertisement
  3635. */
  3636. } else
  3637. val = (1<<5);
  3638. } else {
  3639. val = 0;
  3640. if (phy->speed_cap_mask &
  3641. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3642. val |= (1<<7);
  3643. /* Note that 2.5G works only when used with 1G advertisement */
  3644. if (phy->speed_cap_mask &
  3645. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3646. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3647. val |= (1<<5);
  3648. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3649. }
  3650. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3651. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3652. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3653. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3654. (phy->req_line_speed == SPEED_2500)) {
  3655. u16 phy_ver;
  3656. /* Allow 2.5G for A1 and above */
  3657. bnx2x_cl45_read(bp, phy,
  3658. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3659. &phy_ver);
  3660. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3661. if (phy_ver > 0)
  3662. tmp1 |= 1;
  3663. else
  3664. tmp1 &= 0xfffe;
  3665. } else {
  3666. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3667. tmp1 &= 0xfffe;
  3668. }
  3669. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3670. /* Add support for CL37 (passive mode) II */
  3671. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3672. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3673. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3674. 0x20 : 0x40)));
  3675. /* Add support for CL37 (passive mode) III */
  3676. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3677. /*
  3678. * The SNR will improve about 2db by changing BW and FEE main
  3679. * tap. Rest commands are executed after link is up
  3680. * Change FFE main cursor to 5 in EDC register
  3681. */
  3682. if (bnx2x_8073_is_snr_needed(bp, phy))
  3683. bnx2x_cl45_write(bp, phy,
  3684. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3685. 0xFB0C);
  3686. /* Enable FEC (Forware Error Correction) Request in the AN */
  3687. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3688. tmp1 |= (1<<15);
  3689. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3690. bnx2x_ext_phy_set_pause(params, phy, vars);
  3691. /* Restart autoneg */
  3692. msleep(500);
  3693. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3694. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3695. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3696. return 0;
  3697. }
  3698. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3699. struct link_params *params,
  3700. struct link_vars *vars)
  3701. {
  3702. struct bnx2x *bp = params->bp;
  3703. u8 link_up = 0;
  3704. u16 val1, val2;
  3705. u16 link_status = 0;
  3706. u16 an1000_status = 0;
  3707. bnx2x_cl45_read(bp, phy,
  3708. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3709. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3710. /* clear the interrupt LASI status register */
  3711. bnx2x_cl45_read(bp, phy,
  3712. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3713. bnx2x_cl45_read(bp, phy,
  3714. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3715. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3716. /* Clear MSG-OUT */
  3717. bnx2x_cl45_read(bp, phy,
  3718. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3719. /* Check the LASI */
  3720. bnx2x_cl45_read(bp, phy,
  3721. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3722. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3723. /* Check the link status */
  3724. bnx2x_cl45_read(bp, phy,
  3725. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3726. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3727. bnx2x_cl45_read(bp, phy,
  3728. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3729. bnx2x_cl45_read(bp, phy,
  3730. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3731. link_up = ((val1 & 4) == 4);
  3732. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3733. if (link_up &&
  3734. ((phy->req_line_speed != SPEED_10000))) {
  3735. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3736. return 0;
  3737. }
  3738. bnx2x_cl45_read(bp, phy,
  3739. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3740. bnx2x_cl45_read(bp, phy,
  3741. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3742. /* Check the link status on 1.1.2 */
  3743. bnx2x_cl45_read(bp, phy,
  3744. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3745. bnx2x_cl45_read(bp, phy,
  3746. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3747. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3748. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3749. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3750. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3751. /*
  3752. * The SNR will improve about 2dbby changing the BW and FEE main
  3753. * tap. The 1st write to change FFE main tap is set before
  3754. * restart AN. Change PLL Bandwidth in EDC register
  3755. */
  3756. bnx2x_cl45_write(bp, phy,
  3757. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3758. 0x26BC);
  3759. /* Change CDR Bandwidth in EDC register */
  3760. bnx2x_cl45_write(bp, phy,
  3761. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3762. 0x0333);
  3763. }
  3764. bnx2x_cl45_read(bp, phy,
  3765. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3766. &link_status);
  3767. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3768. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3769. link_up = 1;
  3770. vars->line_speed = SPEED_10000;
  3771. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3772. params->port);
  3773. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3774. link_up = 1;
  3775. vars->line_speed = SPEED_2500;
  3776. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3777. params->port);
  3778. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3779. link_up = 1;
  3780. vars->line_speed = SPEED_1000;
  3781. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3782. params->port);
  3783. } else {
  3784. link_up = 0;
  3785. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3786. params->port);
  3787. }
  3788. if (link_up) {
  3789. /* Swap polarity if required */
  3790. if (params->lane_config &
  3791. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3792. /* Configure the 8073 to swap P and N of the KR lines */
  3793. bnx2x_cl45_read(bp, phy,
  3794. MDIO_XS_DEVAD,
  3795. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3796. /*
  3797. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3798. * when it`s in 10G mode.
  3799. */
  3800. if (vars->line_speed == SPEED_1000) {
  3801. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3802. "the 8073\n");
  3803. val1 |= (1<<3);
  3804. } else
  3805. val1 &= ~(1<<3);
  3806. bnx2x_cl45_write(bp, phy,
  3807. MDIO_XS_DEVAD,
  3808. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3809. val1);
  3810. }
  3811. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3812. bnx2x_8073_resolve_fc(phy, params, vars);
  3813. vars->duplex = DUPLEX_FULL;
  3814. }
  3815. return link_up;
  3816. }
  3817. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3818. struct link_params *params)
  3819. {
  3820. struct bnx2x *bp = params->bp;
  3821. u8 gpio_port;
  3822. if (CHIP_IS_E2(bp))
  3823. gpio_port = BP_PATH(bp);
  3824. else
  3825. gpio_port = params->port;
  3826. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3827. gpio_port);
  3828. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3829. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3830. gpio_port);
  3831. }
  3832. /******************************************************************/
  3833. /* BCM8705 PHY SECTION */
  3834. /******************************************************************/
  3835. static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3836. struct link_params *params,
  3837. struct link_vars *vars)
  3838. {
  3839. struct bnx2x *bp = params->bp;
  3840. DP(NETIF_MSG_LINK, "init 8705\n");
  3841. /* Restore normal power mode*/
  3842. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3843. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3844. /* HW reset */
  3845. bnx2x_ext_phy_hw_reset(bp, params->port);
  3846. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3847. bnx2x_wait_reset_complete(bp, phy, params);
  3848. bnx2x_cl45_write(bp, phy,
  3849. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3850. bnx2x_cl45_write(bp, phy,
  3851. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3852. bnx2x_cl45_write(bp, phy,
  3853. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3854. bnx2x_cl45_write(bp, phy,
  3855. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3856. /* BCM8705 doesn't have microcode, hence the 0 */
  3857. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3858. return 0;
  3859. }
  3860. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3861. struct link_params *params,
  3862. struct link_vars *vars)
  3863. {
  3864. u8 link_up = 0;
  3865. u16 val1, rx_sd;
  3866. struct bnx2x *bp = params->bp;
  3867. DP(NETIF_MSG_LINK, "read status 8705\n");
  3868. bnx2x_cl45_read(bp, phy,
  3869. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3870. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3871. bnx2x_cl45_read(bp, phy,
  3872. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3873. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3874. bnx2x_cl45_read(bp, phy,
  3875. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3876. bnx2x_cl45_read(bp, phy,
  3877. MDIO_PMA_DEVAD, 0xc809, &val1);
  3878. bnx2x_cl45_read(bp, phy,
  3879. MDIO_PMA_DEVAD, 0xc809, &val1);
  3880. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3881. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3882. if (link_up) {
  3883. vars->line_speed = SPEED_10000;
  3884. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3885. }
  3886. return link_up;
  3887. }
  3888. /******************************************************************/
  3889. /* SFP+ module Section */
  3890. /******************************************************************/
  3891. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3892. {
  3893. u8 gpio_port;
  3894. u32 swap_val, swap_override;
  3895. struct bnx2x *bp = params->bp;
  3896. if (CHIP_IS_E2(bp))
  3897. gpio_port = BP_PATH(bp);
  3898. else
  3899. gpio_port = params->port;
  3900. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3901. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3902. return gpio_port ^ (swap_val && swap_override);
  3903. }
  3904. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3905. struct bnx2x_phy *phy,
  3906. u8 tx_en)
  3907. {
  3908. u16 val;
  3909. u8 port = params->port;
  3910. struct bnx2x *bp = params->bp;
  3911. u32 tx_en_mode;
  3912. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3913. tx_en_mode = REG_RD(bp, params->shmem_base +
  3914. offsetof(struct shmem_region,
  3915. dev_info.port_hw_config[port].sfp_ctrl)) &
  3916. PORT_HW_CFG_TX_LASER_MASK;
  3917. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3918. "mode = %x\n", tx_en, port, tx_en_mode);
  3919. switch (tx_en_mode) {
  3920. case PORT_HW_CFG_TX_LASER_MDIO:
  3921. bnx2x_cl45_read(bp, phy,
  3922. MDIO_PMA_DEVAD,
  3923. MDIO_PMA_REG_PHY_IDENTIFIER,
  3924. &val);
  3925. if (tx_en)
  3926. val &= ~(1<<15);
  3927. else
  3928. val |= (1<<15);
  3929. bnx2x_cl45_write(bp, phy,
  3930. MDIO_PMA_DEVAD,
  3931. MDIO_PMA_REG_PHY_IDENTIFIER,
  3932. val);
  3933. break;
  3934. case PORT_HW_CFG_TX_LASER_GPIO0:
  3935. case PORT_HW_CFG_TX_LASER_GPIO1:
  3936. case PORT_HW_CFG_TX_LASER_GPIO2:
  3937. case PORT_HW_CFG_TX_LASER_GPIO3:
  3938. {
  3939. u16 gpio_pin;
  3940. u8 gpio_port, gpio_mode;
  3941. if (tx_en)
  3942. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3943. else
  3944. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3945. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3946. gpio_port = bnx2x_get_gpio_port(params);
  3947. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3948. break;
  3949. }
  3950. default:
  3951. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3952. break;
  3953. }
  3954. }
  3955. static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3956. struct link_params *params,
  3957. u16 addr, u8 byte_cnt, u8 *o_buf)
  3958. {
  3959. struct bnx2x *bp = params->bp;
  3960. u16 val = 0;
  3961. u16 i;
  3962. if (byte_cnt > 16) {
  3963. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  3964. " is limited to 0xf\n");
  3965. return -EINVAL;
  3966. }
  3967. /* Set the read command byte count */
  3968. bnx2x_cl45_write(bp, phy,
  3969. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  3970. (byte_cnt | 0xa000));
  3971. /* Set the read command address */
  3972. bnx2x_cl45_write(bp, phy,
  3973. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  3974. addr);
  3975. /* Activate read command */
  3976. bnx2x_cl45_write(bp, phy,
  3977. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  3978. 0x2c0f);
  3979. /* Wait up to 500us for command complete status */
  3980. for (i = 0; i < 100; i++) {
  3981. bnx2x_cl45_read(bp, phy,
  3982. MDIO_PMA_DEVAD,
  3983. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3984. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3985. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  3986. break;
  3987. udelay(5);
  3988. }
  3989. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  3990. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  3991. DP(NETIF_MSG_LINK,
  3992. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  3993. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  3994. return -EINVAL;
  3995. }
  3996. /* Read the buffer */
  3997. for (i = 0; i < byte_cnt; i++) {
  3998. bnx2x_cl45_read(bp, phy,
  3999. MDIO_PMA_DEVAD,
  4000. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4001. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4002. }
  4003. for (i = 0; i < 100; i++) {
  4004. bnx2x_cl45_read(bp, phy,
  4005. MDIO_PMA_DEVAD,
  4006. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4007. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4008. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4009. return 0;
  4010. msleep(1);
  4011. }
  4012. return -EINVAL;
  4013. }
  4014. static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4015. struct link_params *params,
  4016. u16 addr, u8 byte_cnt, u8 *o_buf)
  4017. {
  4018. struct bnx2x *bp = params->bp;
  4019. u16 val, i;
  4020. if (byte_cnt > 16) {
  4021. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4022. " is limited to 0xf\n");
  4023. return -EINVAL;
  4024. }
  4025. /* Need to read from 1.8000 to clear it */
  4026. bnx2x_cl45_read(bp, phy,
  4027. MDIO_PMA_DEVAD,
  4028. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4029. &val);
  4030. /* Set the read command byte count */
  4031. bnx2x_cl45_write(bp, phy,
  4032. MDIO_PMA_DEVAD,
  4033. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4034. ((byte_cnt < 2) ? 2 : byte_cnt));
  4035. /* Set the read command address */
  4036. bnx2x_cl45_write(bp, phy,
  4037. MDIO_PMA_DEVAD,
  4038. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4039. addr);
  4040. /* Set the destination address */
  4041. bnx2x_cl45_write(bp, phy,
  4042. MDIO_PMA_DEVAD,
  4043. 0x8004,
  4044. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4045. /* Activate read command */
  4046. bnx2x_cl45_write(bp, phy,
  4047. MDIO_PMA_DEVAD,
  4048. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4049. 0x8002);
  4050. /*
  4051. * Wait appropriate time for two-wire command to finish before
  4052. * polling the status register
  4053. */
  4054. msleep(1);
  4055. /* Wait up to 500us for command complete status */
  4056. for (i = 0; i < 100; i++) {
  4057. bnx2x_cl45_read(bp, phy,
  4058. MDIO_PMA_DEVAD,
  4059. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4060. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4061. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4062. break;
  4063. udelay(5);
  4064. }
  4065. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4066. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4067. DP(NETIF_MSG_LINK,
  4068. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4069. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4070. return -EFAULT;
  4071. }
  4072. /* Read the buffer */
  4073. for (i = 0; i < byte_cnt; i++) {
  4074. bnx2x_cl45_read(bp, phy,
  4075. MDIO_PMA_DEVAD,
  4076. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4077. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4078. }
  4079. for (i = 0; i < 100; i++) {
  4080. bnx2x_cl45_read(bp, phy,
  4081. MDIO_PMA_DEVAD,
  4082. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4083. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4084. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4085. return 0;
  4086. msleep(1);
  4087. }
  4088. return -EINVAL;
  4089. }
  4090. u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4091. struct link_params *params, u16 addr,
  4092. u8 byte_cnt, u8 *o_buf)
  4093. {
  4094. u8 rc = -EINVAL;
  4095. switch (phy->type) {
  4096. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4097. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4098. byte_cnt, o_buf);
  4099. break;
  4100. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4101. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4102. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4103. byte_cnt, o_buf);
  4104. break;
  4105. }
  4106. return rc;
  4107. }
  4108. static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4109. struct link_params *params,
  4110. u16 *edc_mode)
  4111. {
  4112. struct bnx2x *bp = params->bp;
  4113. u32 sync_offset = 0, phy_idx, media_types;
  4114. u8 val, check_limiting_mode = 0;
  4115. *edc_mode = EDC_MODE_LIMITING;
  4116. phy->media_type = ETH_PHY_UNSPECIFIED;
  4117. /* First check for copper cable */
  4118. if (bnx2x_read_sfp_module_eeprom(phy,
  4119. params,
  4120. SFP_EEPROM_CON_TYPE_ADDR,
  4121. 1,
  4122. &val) != 0) {
  4123. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4124. return -EINVAL;
  4125. }
  4126. switch (val) {
  4127. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4128. {
  4129. u8 copper_module_type;
  4130. phy->media_type = ETH_PHY_DA_TWINAX;
  4131. /*
  4132. * Check if its active cable (includes SFP+ module)
  4133. * of passive cable
  4134. */
  4135. if (bnx2x_read_sfp_module_eeprom(phy,
  4136. params,
  4137. SFP_EEPROM_FC_TX_TECH_ADDR,
  4138. 1,
  4139. &copper_module_type) !=
  4140. 0) {
  4141. DP(NETIF_MSG_LINK,
  4142. "Failed to read copper-cable-type"
  4143. " from SFP+ EEPROM\n");
  4144. return -EINVAL;
  4145. }
  4146. if (copper_module_type &
  4147. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4148. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4149. check_limiting_mode = 1;
  4150. } else if (copper_module_type &
  4151. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4152. DP(NETIF_MSG_LINK, "Passive Copper"
  4153. " cable detected\n");
  4154. *edc_mode =
  4155. EDC_MODE_PASSIVE_DAC;
  4156. } else {
  4157. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4158. "type 0x%x !!!\n", copper_module_type);
  4159. return -EINVAL;
  4160. }
  4161. break;
  4162. }
  4163. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4164. phy->media_type = ETH_PHY_SFP_FIBER;
  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. sync_offset = params->shmem_base +
  4174. offsetof(struct shmem_region,
  4175. dev_info.port_hw_config[params->port].media_type);
  4176. media_types = REG_RD(bp, sync_offset);
  4177. /* Update media type for non-PMF sync */
  4178. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  4179. if (&(params->phy[phy_idx]) == phy) {
  4180. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  4181. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4182. media_types |= ((phy->media_type &
  4183. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  4184. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4185. break;
  4186. }
  4187. }
  4188. REG_WR(bp, sync_offset, media_types);
  4189. if (check_limiting_mode) {
  4190. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4191. if (bnx2x_read_sfp_module_eeprom(phy,
  4192. params,
  4193. SFP_EEPROM_OPTIONS_ADDR,
  4194. SFP_EEPROM_OPTIONS_SIZE,
  4195. options) != 0) {
  4196. DP(NETIF_MSG_LINK, "Failed to read Option"
  4197. " field from module EEPROM\n");
  4198. return -EINVAL;
  4199. }
  4200. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4201. *edc_mode = EDC_MODE_LINEAR;
  4202. else
  4203. *edc_mode = EDC_MODE_LIMITING;
  4204. }
  4205. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4206. return 0;
  4207. }
  4208. /*
  4209. * This function read the relevant field from the module (SFP+), and verify it
  4210. * is compliant with this board
  4211. */
  4212. static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4213. struct link_params *params)
  4214. {
  4215. struct bnx2x *bp = params->bp;
  4216. u32 val, cmd;
  4217. u32 fw_resp, fw_cmd_param;
  4218. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4219. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4220. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4221. val = REG_RD(bp, params->shmem_base +
  4222. offsetof(struct shmem_region, dev_info.
  4223. port_feature_config[params->port].config));
  4224. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4225. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4226. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4227. return 0;
  4228. }
  4229. if (params->feature_config_flags &
  4230. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4231. /* Use specific phy request */
  4232. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4233. } else if (params->feature_config_flags &
  4234. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4235. /* Use first phy request only in case of non-dual media*/
  4236. if (DUAL_MEDIA(params)) {
  4237. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4238. "verification\n");
  4239. return -EINVAL;
  4240. }
  4241. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4242. } else {
  4243. /* No support in OPT MDL detection */
  4244. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4245. "verification\n");
  4246. return -EINVAL;
  4247. }
  4248. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4249. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4250. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4251. DP(NETIF_MSG_LINK, "Approved module\n");
  4252. return 0;
  4253. }
  4254. /* format the warning message */
  4255. if (bnx2x_read_sfp_module_eeprom(phy,
  4256. params,
  4257. SFP_EEPROM_VENDOR_NAME_ADDR,
  4258. SFP_EEPROM_VENDOR_NAME_SIZE,
  4259. (u8 *)vendor_name))
  4260. vendor_name[0] = '\0';
  4261. else
  4262. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4263. if (bnx2x_read_sfp_module_eeprom(phy,
  4264. params,
  4265. SFP_EEPROM_PART_NO_ADDR,
  4266. SFP_EEPROM_PART_NO_SIZE,
  4267. (u8 *)vendor_pn))
  4268. vendor_pn[0] = '\0';
  4269. else
  4270. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4271. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4272. " Port %d from %s part number %s\n",
  4273. params->port, vendor_name, vendor_pn);
  4274. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4275. return -EINVAL;
  4276. }
  4277. static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4278. struct link_params *params)
  4279. {
  4280. u8 val;
  4281. struct bnx2x *bp = params->bp;
  4282. u16 timeout;
  4283. /*
  4284. * Initialization time after hot-plug may take up to 300ms for
  4285. * some phys type ( e.g. JDSU )
  4286. */
  4287. for (timeout = 0; timeout < 60; timeout++) {
  4288. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4289. == 0) {
  4290. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4291. "took %d ms\n", timeout * 5);
  4292. return 0;
  4293. }
  4294. msleep(5);
  4295. }
  4296. return -EINVAL;
  4297. }
  4298. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4299. struct bnx2x_phy *phy,
  4300. u8 is_power_up) {
  4301. /* Make sure GPIOs are not using for LED mode */
  4302. u16 val;
  4303. /*
  4304. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4305. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4306. * output
  4307. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4308. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4309. * where the 1st bit is the over-current(only input), and 2nd bit is
  4310. * for power( only output )
  4311. *
  4312. * In case of NOC feature is disabled and power is up, set GPIO control
  4313. * as input to enable listening of over-current indication
  4314. */
  4315. if (phy->flags & FLAGS_NOC)
  4316. return;
  4317. if (!(phy->flags &
  4318. FLAGS_NOC) && is_power_up)
  4319. val = (1<<4);
  4320. else
  4321. /*
  4322. * Set GPIO control to OUTPUT, and set the power bit
  4323. * to according to the is_power_up
  4324. */
  4325. val = ((!(is_power_up)) << 1);
  4326. bnx2x_cl45_write(bp, phy,
  4327. MDIO_PMA_DEVAD,
  4328. MDIO_PMA_REG_8727_GPIO_CTRL,
  4329. val);
  4330. }
  4331. static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4332. struct bnx2x_phy *phy,
  4333. u16 edc_mode)
  4334. {
  4335. u16 cur_limiting_mode;
  4336. bnx2x_cl45_read(bp, phy,
  4337. MDIO_PMA_DEVAD,
  4338. MDIO_PMA_REG_ROM_VER2,
  4339. &cur_limiting_mode);
  4340. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4341. cur_limiting_mode);
  4342. if (edc_mode == EDC_MODE_LIMITING) {
  4343. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4344. bnx2x_cl45_write(bp, phy,
  4345. MDIO_PMA_DEVAD,
  4346. MDIO_PMA_REG_ROM_VER2,
  4347. EDC_MODE_LIMITING);
  4348. } else { /* LRM mode ( default )*/
  4349. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4350. /*
  4351. * Changing to LRM mode takes quite few seconds. So do it only
  4352. * if current mode is limiting (default is LRM)
  4353. */
  4354. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4355. return 0;
  4356. bnx2x_cl45_write(bp, phy,
  4357. MDIO_PMA_DEVAD,
  4358. MDIO_PMA_REG_LRM_MODE,
  4359. 0);
  4360. bnx2x_cl45_write(bp, phy,
  4361. MDIO_PMA_DEVAD,
  4362. MDIO_PMA_REG_ROM_VER2,
  4363. 0x128);
  4364. bnx2x_cl45_write(bp, phy,
  4365. MDIO_PMA_DEVAD,
  4366. MDIO_PMA_REG_MISC_CTRL0,
  4367. 0x4008);
  4368. bnx2x_cl45_write(bp, phy,
  4369. MDIO_PMA_DEVAD,
  4370. MDIO_PMA_REG_LRM_MODE,
  4371. 0xaaaa);
  4372. }
  4373. return 0;
  4374. }
  4375. static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4376. struct bnx2x_phy *phy,
  4377. u16 edc_mode)
  4378. {
  4379. u16 phy_identifier;
  4380. u16 rom_ver2_val;
  4381. bnx2x_cl45_read(bp, phy,
  4382. MDIO_PMA_DEVAD,
  4383. MDIO_PMA_REG_PHY_IDENTIFIER,
  4384. &phy_identifier);
  4385. bnx2x_cl45_write(bp, phy,
  4386. MDIO_PMA_DEVAD,
  4387. MDIO_PMA_REG_PHY_IDENTIFIER,
  4388. (phy_identifier & ~(1<<9)));
  4389. bnx2x_cl45_read(bp, phy,
  4390. MDIO_PMA_DEVAD,
  4391. MDIO_PMA_REG_ROM_VER2,
  4392. &rom_ver2_val);
  4393. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4394. bnx2x_cl45_write(bp, phy,
  4395. MDIO_PMA_DEVAD,
  4396. MDIO_PMA_REG_ROM_VER2,
  4397. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4398. bnx2x_cl45_write(bp, phy,
  4399. MDIO_PMA_DEVAD,
  4400. MDIO_PMA_REG_PHY_IDENTIFIER,
  4401. (phy_identifier | (1<<9)));
  4402. return 0;
  4403. }
  4404. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4405. struct link_params *params,
  4406. u32 action)
  4407. {
  4408. struct bnx2x *bp = params->bp;
  4409. switch (action) {
  4410. case DISABLE_TX:
  4411. bnx2x_sfp_set_transmitter(params, phy, 0);
  4412. break;
  4413. case ENABLE_TX:
  4414. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4415. bnx2x_sfp_set_transmitter(params, phy, 1);
  4416. break;
  4417. default:
  4418. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4419. action);
  4420. return;
  4421. }
  4422. }
  4423. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4424. u8 gpio_mode)
  4425. {
  4426. struct bnx2x *bp = params->bp;
  4427. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4428. offsetof(struct shmem_region,
  4429. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4430. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4431. switch (fault_led_gpio) {
  4432. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4433. return;
  4434. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4435. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4436. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4437. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4438. {
  4439. u8 gpio_port = bnx2x_get_gpio_port(params);
  4440. u16 gpio_pin = fault_led_gpio -
  4441. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4442. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4443. "pin %x port %x mode %x\n",
  4444. gpio_pin, gpio_port, gpio_mode);
  4445. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4446. }
  4447. break;
  4448. default:
  4449. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4450. fault_led_gpio);
  4451. }
  4452. }
  4453. static void bnx2x_power_sfp_module(struct link_params *params,
  4454. struct bnx2x_phy *phy,
  4455. u8 power)
  4456. {
  4457. struct bnx2x *bp = params->bp;
  4458. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4459. switch (phy->type) {
  4460. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4461. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4462. bnx2x_8727_power_module(params->bp, phy, power);
  4463. break;
  4464. default:
  4465. break;
  4466. }
  4467. }
  4468. static void bnx2x_set_limiting_mode(struct link_params *params,
  4469. struct bnx2x_phy *phy,
  4470. u16 edc_mode)
  4471. {
  4472. switch (phy->type) {
  4473. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4474. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4475. break;
  4476. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4477. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4478. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4479. break;
  4480. }
  4481. }
  4482. static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4483. struct link_params *params)
  4484. {
  4485. struct bnx2x *bp = params->bp;
  4486. u16 edc_mode;
  4487. u8 rc = 0;
  4488. u32 val = REG_RD(bp, params->shmem_base +
  4489. offsetof(struct shmem_region, dev_info.
  4490. port_feature_config[params->port].config));
  4491. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4492. params->port);
  4493. /* Power up module */
  4494. bnx2x_power_sfp_module(params, phy, 1);
  4495. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4496. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4497. return -EINVAL;
  4498. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4499. /* check SFP+ module compatibility */
  4500. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4501. rc = -EINVAL;
  4502. /* Turn on fault module-detected led */
  4503. bnx2x_set_sfp_module_fault_led(params,
  4504. MISC_REGISTERS_GPIO_HIGH);
  4505. /* Check if need to power down the SFP+ module */
  4506. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4507. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4508. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4509. bnx2x_power_sfp_module(params, phy, 0);
  4510. return rc;
  4511. }
  4512. } else {
  4513. /* Turn off fault module-detected led */
  4514. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4515. }
  4516. /*
  4517. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4518. * is done automatically
  4519. */
  4520. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4521. /*
  4522. * Enable transmit for this module if the module is approved, or
  4523. * if unapproved modules should also enable the Tx laser
  4524. */
  4525. if (rc == 0 ||
  4526. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4527. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4528. bnx2x_sfp_set_transmitter(params, phy, 1);
  4529. else
  4530. bnx2x_sfp_set_transmitter(params, phy, 0);
  4531. return rc;
  4532. }
  4533. void bnx2x_handle_module_detect_int(struct link_params *params)
  4534. {
  4535. struct bnx2x *bp = params->bp;
  4536. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4537. u32 gpio_val;
  4538. u8 port = params->port;
  4539. /* Set valid module led off */
  4540. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4541. /* Get current gpio val reflecting module plugged in / out*/
  4542. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4543. /* Call the handling function in case module is detected */
  4544. if (gpio_val == 0) {
  4545. bnx2x_power_sfp_module(params, phy, 1);
  4546. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4547. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4548. port);
  4549. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4550. bnx2x_sfp_module_detection(phy, params);
  4551. else
  4552. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4553. } else {
  4554. u32 val = REG_RD(bp, params->shmem_base +
  4555. offsetof(struct shmem_region, dev_info.
  4556. port_feature_config[params->port].
  4557. config));
  4558. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4559. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4560. port);
  4561. /*
  4562. * Module was plugged out.
  4563. * Disable transmit for this module
  4564. */
  4565. phy->media_type = ETH_PHY_NOT_PRESENT;
  4566. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4567. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4568. bnx2x_sfp_set_transmitter(params, phy, 0);
  4569. }
  4570. }
  4571. /******************************************************************/
  4572. /* common BCM8706/BCM8726 PHY SECTION */
  4573. /******************************************************************/
  4574. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4575. struct link_params *params,
  4576. struct link_vars *vars)
  4577. {
  4578. u8 link_up = 0;
  4579. u16 val1, val2, rx_sd, pcs_status;
  4580. struct bnx2x *bp = params->bp;
  4581. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4582. /* Clear RX Alarm*/
  4583. bnx2x_cl45_read(bp, phy,
  4584. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4585. /* clear LASI indication*/
  4586. bnx2x_cl45_read(bp, phy,
  4587. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4588. bnx2x_cl45_read(bp, phy,
  4589. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4590. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4591. bnx2x_cl45_read(bp, phy,
  4592. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4593. bnx2x_cl45_read(bp, phy,
  4594. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4595. bnx2x_cl45_read(bp, phy,
  4596. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4597. bnx2x_cl45_read(bp, phy,
  4598. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4599. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4600. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4601. /*
  4602. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4603. * are set, or if the autoneg bit 1 is set
  4604. */
  4605. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4606. if (link_up) {
  4607. if (val2 & (1<<1))
  4608. vars->line_speed = SPEED_1000;
  4609. else
  4610. vars->line_speed = SPEED_10000;
  4611. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4612. vars->duplex = DUPLEX_FULL;
  4613. }
  4614. return link_up;
  4615. }
  4616. /******************************************************************/
  4617. /* BCM8706 PHY SECTION */
  4618. /******************************************************************/
  4619. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4620. struct link_params *params,
  4621. struct link_vars *vars)
  4622. {
  4623. u32 tx_en_mode;
  4624. u16 cnt, val, tmp1;
  4625. struct bnx2x *bp = params->bp;
  4626. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4627. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4628. /* HW reset */
  4629. bnx2x_ext_phy_hw_reset(bp, params->port);
  4630. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4631. bnx2x_wait_reset_complete(bp, phy, params);
  4632. /* Wait until fw is loaded */
  4633. for (cnt = 0; cnt < 100; cnt++) {
  4634. bnx2x_cl45_read(bp, phy,
  4635. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4636. if (val)
  4637. break;
  4638. msleep(10);
  4639. }
  4640. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4641. if ((params->feature_config_flags &
  4642. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4643. u8 i;
  4644. u16 reg;
  4645. for (i = 0; i < 4; i++) {
  4646. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4647. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4648. MDIO_XS_8706_REG_BANK_RX0);
  4649. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4650. /* Clear first 3 bits of the control */
  4651. val &= ~0x7;
  4652. /* Set control bits according to configuration */
  4653. val |= (phy->rx_preemphasis[i] & 0x7);
  4654. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4655. " reg 0x%x <-- val 0x%x\n", reg, val);
  4656. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4657. }
  4658. }
  4659. /* Force speed */
  4660. if (phy->req_line_speed == SPEED_10000) {
  4661. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4662. bnx2x_cl45_write(bp, phy,
  4663. MDIO_PMA_DEVAD,
  4664. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4665. bnx2x_cl45_write(bp, phy,
  4666. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4667. } else {
  4668. /* Force 1Gbps using autoneg with 1G advertisement */
  4669. /* Allow CL37 through CL73 */
  4670. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4671. bnx2x_cl45_write(bp, phy,
  4672. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4673. /* Enable Full-Duplex advertisement on CL37 */
  4674. bnx2x_cl45_write(bp, phy,
  4675. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4676. /* Enable CL37 AN */
  4677. bnx2x_cl45_write(bp, phy,
  4678. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4679. /* 1G support */
  4680. bnx2x_cl45_write(bp, phy,
  4681. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4682. /* Enable clause 73 AN */
  4683. bnx2x_cl45_write(bp, phy,
  4684. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4685. bnx2x_cl45_write(bp, phy,
  4686. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4687. 0x0400);
  4688. bnx2x_cl45_write(bp, phy,
  4689. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4690. 0x0004);
  4691. }
  4692. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4693. /*
  4694. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4695. * power mode, if TX Laser is disabled
  4696. */
  4697. tx_en_mode = REG_RD(bp, params->shmem_base +
  4698. offsetof(struct shmem_region,
  4699. dev_info.port_hw_config[params->port].sfp_ctrl))
  4700. & PORT_HW_CFG_TX_LASER_MASK;
  4701. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4702. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4703. bnx2x_cl45_read(bp, phy,
  4704. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4705. tmp1 |= 0x1;
  4706. bnx2x_cl45_write(bp, phy,
  4707. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4708. }
  4709. return 0;
  4710. }
  4711. static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4712. struct link_params *params,
  4713. struct link_vars *vars)
  4714. {
  4715. return bnx2x_8706_8726_read_status(phy, params, vars);
  4716. }
  4717. /******************************************************************/
  4718. /* BCM8726 PHY SECTION */
  4719. /******************************************************************/
  4720. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4721. struct link_params *params)
  4722. {
  4723. struct bnx2x *bp = params->bp;
  4724. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4725. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4726. }
  4727. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4728. struct link_params *params)
  4729. {
  4730. struct bnx2x *bp = params->bp;
  4731. /* Need to wait 100ms after reset */
  4732. msleep(100);
  4733. /* Micro controller re-boot */
  4734. bnx2x_cl45_write(bp, phy,
  4735. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4736. /* Set soft reset */
  4737. bnx2x_cl45_write(bp, phy,
  4738. MDIO_PMA_DEVAD,
  4739. MDIO_PMA_REG_GEN_CTRL,
  4740. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4741. bnx2x_cl45_write(bp, phy,
  4742. MDIO_PMA_DEVAD,
  4743. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4744. bnx2x_cl45_write(bp, phy,
  4745. MDIO_PMA_DEVAD,
  4746. MDIO_PMA_REG_GEN_CTRL,
  4747. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4748. /* wait for 150ms for microcode load */
  4749. msleep(150);
  4750. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4751. bnx2x_cl45_write(bp, phy,
  4752. MDIO_PMA_DEVAD,
  4753. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4754. msleep(200);
  4755. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4756. }
  4757. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4758. struct link_params *params,
  4759. struct link_vars *vars)
  4760. {
  4761. struct bnx2x *bp = params->bp;
  4762. u16 val1;
  4763. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4764. if (link_up) {
  4765. bnx2x_cl45_read(bp, phy,
  4766. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4767. &val1);
  4768. if (val1 & (1<<15)) {
  4769. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4770. link_up = 0;
  4771. vars->line_speed = 0;
  4772. }
  4773. }
  4774. return link_up;
  4775. }
  4776. static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4777. struct link_params *params,
  4778. struct link_vars *vars)
  4779. {
  4780. struct bnx2x *bp = params->bp;
  4781. u32 val;
  4782. u32 swap_val, swap_override, aeu_gpio_mask, offset;
  4783. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4784. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4785. bnx2x_wait_reset_complete(bp, phy, params);
  4786. bnx2x_8726_external_rom_boot(phy, params);
  4787. /*
  4788. * Need to call module detected on initialization since the module
  4789. * detection triggered by actual module insertion might occur before
  4790. * driver is loaded, and when driver is loaded, it reset all
  4791. * registers, including the transmitter
  4792. */
  4793. bnx2x_sfp_module_detection(phy, params);
  4794. if (phy->req_line_speed == SPEED_1000) {
  4795. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4796. bnx2x_cl45_write(bp, phy,
  4797. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4798. bnx2x_cl45_write(bp, phy,
  4799. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4800. bnx2x_cl45_write(bp, phy,
  4801. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4802. bnx2x_cl45_write(bp, phy,
  4803. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4804. 0x400);
  4805. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4806. (phy->speed_cap_mask &
  4807. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4808. ((phy->speed_cap_mask &
  4809. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4810. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4811. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4812. /* Set Flow control */
  4813. bnx2x_ext_phy_set_pause(params, phy, vars);
  4814. bnx2x_cl45_write(bp, phy,
  4815. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4816. bnx2x_cl45_write(bp, phy,
  4817. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4818. bnx2x_cl45_write(bp, phy,
  4819. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4820. bnx2x_cl45_write(bp, phy,
  4821. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4822. bnx2x_cl45_write(bp, phy,
  4823. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4824. /*
  4825. * Enable RX-ALARM control to receive interrupt for 1G speed
  4826. * change
  4827. */
  4828. bnx2x_cl45_write(bp, phy,
  4829. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4830. bnx2x_cl45_write(bp, phy,
  4831. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4832. 0x400);
  4833. } else { /* Default 10G. Set only LASI control */
  4834. bnx2x_cl45_write(bp, phy,
  4835. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4836. }
  4837. /* Set TX PreEmphasis if needed */
  4838. if ((params->feature_config_flags &
  4839. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4840. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4841. "TX_CTRL2 0x%x\n",
  4842. phy->tx_preemphasis[0],
  4843. phy->tx_preemphasis[1]);
  4844. bnx2x_cl45_write(bp, phy,
  4845. MDIO_PMA_DEVAD,
  4846. MDIO_PMA_REG_8726_TX_CTRL1,
  4847. phy->tx_preemphasis[0]);
  4848. bnx2x_cl45_write(bp, phy,
  4849. MDIO_PMA_DEVAD,
  4850. MDIO_PMA_REG_8726_TX_CTRL2,
  4851. phy->tx_preemphasis[1]);
  4852. }
  4853. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  4854. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  4855. MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
  4856. /* The GPIO should be swapped if the swap register is set and active */
  4857. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4858. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4859. /* Select function upon port-swap configuration */
  4860. if (params->port == 0) {
  4861. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  4862. aeu_gpio_mask = (swap_val && swap_override) ?
  4863. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
  4864. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
  4865. } else {
  4866. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  4867. aeu_gpio_mask = (swap_val && swap_override) ?
  4868. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
  4869. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
  4870. }
  4871. val = REG_RD(bp, offset);
  4872. /* add GPIO3 to group */
  4873. val |= aeu_gpio_mask;
  4874. REG_WR(bp, offset, val);
  4875. return 0;
  4876. }
  4877. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4878. struct link_params *params)
  4879. {
  4880. struct bnx2x *bp = params->bp;
  4881. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4882. /* Set serial boot control for external load */
  4883. bnx2x_cl45_write(bp, phy,
  4884. MDIO_PMA_DEVAD,
  4885. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4886. }
  4887. /******************************************************************/
  4888. /* BCM8727 PHY SECTION */
  4889. /******************************************************************/
  4890. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4891. struct link_params *params, u8 mode)
  4892. {
  4893. struct bnx2x *bp = params->bp;
  4894. u16 led_mode_bitmask = 0;
  4895. u16 gpio_pins_bitmask = 0;
  4896. u16 val;
  4897. /* Only NOC flavor requires to set the LED specifically */
  4898. if (!(phy->flags & FLAGS_NOC))
  4899. return;
  4900. switch (mode) {
  4901. case LED_MODE_FRONT_PANEL_OFF:
  4902. case LED_MODE_OFF:
  4903. led_mode_bitmask = 0;
  4904. gpio_pins_bitmask = 0x03;
  4905. break;
  4906. case LED_MODE_ON:
  4907. led_mode_bitmask = 0;
  4908. gpio_pins_bitmask = 0x02;
  4909. break;
  4910. case LED_MODE_OPER:
  4911. led_mode_bitmask = 0x60;
  4912. gpio_pins_bitmask = 0x11;
  4913. break;
  4914. }
  4915. bnx2x_cl45_read(bp, phy,
  4916. MDIO_PMA_DEVAD,
  4917. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4918. &val);
  4919. val &= 0xff8f;
  4920. val |= led_mode_bitmask;
  4921. bnx2x_cl45_write(bp, phy,
  4922. MDIO_PMA_DEVAD,
  4923. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4924. val);
  4925. bnx2x_cl45_read(bp, phy,
  4926. MDIO_PMA_DEVAD,
  4927. MDIO_PMA_REG_8727_GPIO_CTRL,
  4928. &val);
  4929. val &= 0xffe0;
  4930. val |= gpio_pins_bitmask;
  4931. bnx2x_cl45_write(bp, phy,
  4932. MDIO_PMA_DEVAD,
  4933. MDIO_PMA_REG_8727_GPIO_CTRL,
  4934. val);
  4935. }
  4936. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4937. struct link_params *params) {
  4938. u32 swap_val, swap_override;
  4939. u8 port;
  4940. /*
  4941. * The PHY reset is controlled by GPIO 1. Fake the port number
  4942. * to cancel the swap done in set_gpio()
  4943. */
  4944. struct bnx2x *bp = params->bp;
  4945. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4946. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4947. port = (swap_val && swap_override) ^ 1;
  4948. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  4949. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  4950. }
  4951. static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
  4952. struct link_params *params,
  4953. struct link_vars *vars)
  4954. {
  4955. u32 tx_en_mode;
  4956. u16 tmp1, val, mod_abs, tmp2;
  4957. u16 rx_alarm_ctrl_val;
  4958. u16 lasi_ctrl_val;
  4959. struct bnx2x *bp = params->bp;
  4960. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  4961. bnx2x_wait_reset_complete(bp, phy, params);
  4962. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  4963. lasi_ctrl_val = 0x0004;
  4964. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  4965. /* enable LASI */
  4966. bnx2x_cl45_write(bp, phy,
  4967. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4968. rx_alarm_ctrl_val);
  4969. bnx2x_cl45_write(bp, phy,
  4970. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  4971. /*
  4972. * Initially configure MOD_ABS to interrupt when module is
  4973. * presence( bit 8)
  4974. */
  4975. bnx2x_cl45_read(bp, phy,
  4976. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  4977. /*
  4978. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  4979. * When the EDC is off it locks onto a reference clock and avoids
  4980. * becoming 'lost'
  4981. */
  4982. mod_abs &= ~(1<<8);
  4983. if (!(phy->flags & FLAGS_NOC))
  4984. mod_abs &= ~(1<<9);
  4985. bnx2x_cl45_write(bp, phy,
  4986. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  4987. /* Make MOD_ABS give interrupt on change */
  4988. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4989. &val);
  4990. val |= (1<<12);
  4991. if (phy->flags & FLAGS_NOC)
  4992. val |= (3<<5);
  4993. /*
  4994. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  4995. * status which reflect SFP+ module over-current
  4996. */
  4997. if (!(phy->flags & FLAGS_NOC))
  4998. val &= 0xff8f; /* Reset bits 4-6 */
  4999. bnx2x_cl45_write(bp, phy,
  5000. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  5001. bnx2x_8727_power_module(bp, phy, 1);
  5002. bnx2x_cl45_read(bp, phy,
  5003. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  5004. bnx2x_cl45_read(bp, phy,
  5005. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  5006. /* Set option 1G speed */
  5007. if (phy->req_line_speed == SPEED_1000) {
  5008. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  5009. bnx2x_cl45_write(bp, phy,
  5010. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  5011. bnx2x_cl45_write(bp, phy,
  5012. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  5013. bnx2x_cl45_read(bp, phy,
  5014. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  5015. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  5016. /*
  5017. * Power down the XAUI until link is up in case of dual-media
  5018. * and 1G
  5019. */
  5020. if (DUAL_MEDIA(params)) {
  5021. bnx2x_cl45_read(bp, phy,
  5022. MDIO_PMA_DEVAD,
  5023. MDIO_PMA_REG_8727_PCS_GP, &val);
  5024. val |= (3<<10);
  5025. bnx2x_cl45_write(bp, phy,
  5026. MDIO_PMA_DEVAD,
  5027. MDIO_PMA_REG_8727_PCS_GP, val);
  5028. }
  5029. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5030. ((phy->speed_cap_mask &
  5031. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  5032. ((phy->speed_cap_mask &
  5033. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  5034. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  5035. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  5036. bnx2x_cl45_write(bp, phy,
  5037. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  5038. bnx2x_cl45_write(bp, phy,
  5039. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5040. } else {
  5041. /*
  5042. * Since the 8727 has only single reset pin, need to set the 10G
  5043. * registers although it is default
  5044. */
  5045. bnx2x_cl45_write(bp, phy,
  5046. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5047. 0x0020);
  5048. bnx2x_cl45_write(bp, phy,
  5049. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5050. bnx2x_cl45_write(bp, phy,
  5051. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5052. bnx2x_cl45_write(bp, phy,
  5053. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5054. 0x0008);
  5055. }
  5056. /*
  5057. * Set 2-wire transfer rate of SFP+ module EEPROM
  5058. * to 100Khz since some DACs(direct attached cables) do
  5059. * not work at 400Khz.
  5060. */
  5061. bnx2x_cl45_write(bp, phy,
  5062. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5063. 0xa001);
  5064. /* Set TX PreEmphasis if needed */
  5065. if ((params->feature_config_flags &
  5066. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5067. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5068. phy->tx_preemphasis[0],
  5069. phy->tx_preemphasis[1]);
  5070. bnx2x_cl45_write(bp, phy,
  5071. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5072. phy->tx_preemphasis[0]);
  5073. bnx2x_cl45_write(bp, phy,
  5074. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5075. phy->tx_preemphasis[1]);
  5076. }
  5077. /*
  5078. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5079. * power mode, if TX Laser is disabled
  5080. */
  5081. tx_en_mode = REG_RD(bp, params->shmem_base +
  5082. offsetof(struct shmem_region,
  5083. dev_info.port_hw_config[params->port].sfp_ctrl))
  5084. & PORT_HW_CFG_TX_LASER_MASK;
  5085. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5086. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5087. bnx2x_cl45_read(bp, phy,
  5088. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5089. tmp2 |= 0x1000;
  5090. tmp2 &= 0xFFEF;
  5091. bnx2x_cl45_write(bp, phy,
  5092. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5093. }
  5094. return 0;
  5095. }
  5096. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5097. struct link_params *params)
  5098. {
  5099. struct bnx2x *bp = params->bp;
  5100. u16 mod_abs, rx_alarm_status;
  5101. u32 val = REG_RD(bp, params->shmem_base +
  5102. offsetof(struct shmem_region, dev_info.
  5103. port_feature_config[params->port].
  5104. config));
  5105. bnx2x_cl45_read(bp, phy,
  5106. MDIO_PMA_DEVAD,
  5107. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5108. if (mod_abs & (1<<8)) {
  5109. /* Module is absent */
  5110. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5111. "show module is absent\n");
  5112. phy->media_type = ETH_PHY_NOT_PRESENT;
  5113. /*
  5114. * 1. Set mod_abs to detect next module
  5115. * presence event
  5116. * 2. Set EDC off by setting OPTXLOS signal input to low
  5117. * (bit 9).
  5118. * When the EDC is off it locks onto a reference clock and
  5119. * avoids becoming 'lost'.
  5120. */
  5121. mod_abs &= ~(1<<8);
  5122. if (!(phy->flags & FLAGS_NOC))
  5123. mod_abs &= ~(1<<9);
  5124. bnx2x_cl45_write(bp, phy,
  5125. MDIO_PMA_DEVAD,
  5126. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5127. /*
  5128. * Clear RX alarm since it stays up as long as
  5129. * the mod_abs wasn't changed
  5130. */
  5131. bnx2x_cl45_read(bp, phy,
  5132. MDIO_PMA_DEVAD,
  5133. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5134. } else {
  5135. /* Module is present */
  5136. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5137. "show module is present\n");
  5138. /*
  5139. * First disable transmitter, and if the module is ok, the
  5140. * module_detection will enable it
  5141. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5142. * 2. Restore the default polarity of the OPRXLOS signal and
  5143. * this signal will then correctly indicate the presence or
  5144. * absence of the Rx signal. (bit 9)
  5145. */
  5146. mod_abs |= (1<<8);
  5147. if (!(phy->flags & FLAGS_NOC))
  5148. mod_abs |= (1<<9);
  5149. bnx2x_cl45_write(bp, phy,
  5150. MDIO_PMA_DEVAD,
  5151. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5152. /*
  5153. * Clear RX alarm since it stays up as long as the mod_abs
  5154. * wasn't changed. This is need to be done before calling the
  5155. * module detection, otherwise it will clear* the link update
  5156. * alarm
  5157. */
  5158. bnx2x_cl45_read(bp, phy,
  5159. MDIO_PMA_DEVAD,
  5160. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5161. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5162. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5163. bnx2x_sfp_set_transmitter(params, phy, 0);
  5164. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5165. bnx2x_sfp_module_detection(phy, params);
  5166. else
  5167. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5168. }
  5169. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5170. rx_alarm_status);
  5171. /* No need to check link status in case of module plugged in/out */
  5172. }
  5173. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5174. struct link_params *params,
  5175. struct link_vars *vars)
  5176. {
  5177. struct bnx2x *bp = params->bp;
  5178. u8 link_up = 0;
  5179. u16 link_status = 0;
  5180. u16 rx_alarm_status, lasi_ctrl, val1;
  5181. /* If PHY is not initialized, do not check link status */
  5182. bnx2x_cl45_read(bp, phy,
  5183. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5184. &lasi_ctrl);
  5185. if (!lasi_ctrl)
  5186. return 0;
  5187. /* Check the LASI */
  5188. bnx2x_cl45_read(bp, phy,
  5189. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5190. &rx_alarm_status);
  5191. vars->line_speed = 0;
  5192. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5193. bnx2x_cl45_read(bp, phy,
  5194. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5195. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5196. /* Clear MSG-OUT */
  5197. bnx2x_cl45_read(bp, phy,
  5198. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5199. /*
  5200. * If a module is present and there is need to check
  5201. * for over current
  5202. */
  5203. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5204. /* Check over-current using 8727 GPIO0 input*/
  5205. bnx2x_cl45_read(bp, phy,
  5206. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5207. &val1);
  5208. if ((val1 & (1<<8)) == 0) {
  5209. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5210. " on port %d\n", params->port);
  5211. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5212. " been detected and the power to "
  5213. "that SFP+ module has been removed"
  5214. " to prevent failure of the card."
  5215. " Please remove the SFP+ module and"
  5216. " restart the system to clear this"
  5217. " error.\n",
  5218. params->port);
  5219. /* Disable all RX_ALARMs except for mod_abs */
  5220. bnx2x_cl45_write(bp, phy,
  5221. MDIO_PMA_DEVAD,
  5222. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5223. bnx2x_cl45_read(bp, phy,
  5224. MDIO_PMA_DEVAD,
  5225. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5226. /* Wait for module_absent_event */
  5227. val1 |= (1<<8);
  5228. bnx2x_cl45_write(bp, phy,
  5229. MDIO_PMA_DEVAD,
  5230. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5231. /* Clear RX alarm */
  5232. bnx2x_cl45_read(bp, phy,
  5233. MDIO_PMA_DEVAD,
  5234. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5235. return 0;
  5236. }
  5237. } /* Over current check */
  5238. /* When module absent bit is set, check module */
  5239. if (rx_alarm_status & (1<<5)) {
  5240. bnx2x_8727_handle_mod_abs(phy, params);
  5241. /* Enable all mod_abs and link detection bits */
  5242. bnx2x_cl45_write(bp, phy,
  5243. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5244. ((1<<5) | (1<<2)));
  5245. }
  5246. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5247. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5248. /* If transmitter is disabled, ignore false link up indication */
  5249. bnx2x_cl45_read(bp, phy,
  5250. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5251. if (val1 & (1<<15)) {
  5252. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5253. return 0;
  5254. }
  5255. bnx2x_cl45_read(bp, phy,
  5256. MDIO_PMA_DEVAD,
  5257. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5258. /*
  5259. * Bits 0..2 --> speed detected,
  5260. * Bits 13..15--> link is down
  5261. */
  5262. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5263. link_up = 1;
  5264. vars->line_speed = SPEED_10000;
  5265. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5266. params->port);
  5267. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5268. link_up = 1;
  5269. vars->line_speed = SPEED_1000;
  5270. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5271. params->port);
  5272. } else {
  5273. link_up = 0;
  5274. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5275. params->port);
  5276. }
  5277. if (link_up) {
  5278. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5279. vars->duplex = DUPLEX_FULL;
  5280. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5281. }
  5282. if ((DUAL_MEDIA(params)) &&
  5283. (phy->req_line_speed == SPEED_1000)) {
  5284. bnx2x_cl45_read(bp, phy,
  5285. MDIO_PMA_DEVAD,
  5286. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5287. /*
  5288. * In case of dual-media board and 1G, power up the XAUI side,
  5289. * otherwise power it down. For 10G it is done automatically
  5290. */
  5291. if (link_up)
  5292. val1 &= ~(3<<10);
  5293. else
  5294. val1 |= (3<<10);
  5295. bnx2x_cl45_write(bp, phy,
  5296. MDIO_PMA_DEVAD,
  5297. MDIO_PMA_REG_8727_PCS_GP, val1);
  5298. }
  5299. return link_up;
  5300. }
  5301. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5302. struct link_params *params)
  5303. {
  5304. struct bnx2x *bp = params->bp;
  5305. /* Disable Transmitter */
  5306. bnx2x_sfp_set_transmitter(params, phy, 0);
  5307. /* Clear LASI */
  5308. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5309. }
  5310. /******************************************************************/
  5311. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5312. /******************************************************************/
  5313. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5314. struct link_params *params)
  5315. {
  5316. u16 val, fw_ver1, fw_ver2, cnt, adj;
  5317. struct bnx2x *bp = params->bp;
  5318. adj = 0;
  5319. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5320. adj = -1;
  5321. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5322. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5323. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014);
  5324. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5325. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000);
  5326. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300);
  5327. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009);
  5328. for (cnt = 0; cnt < 100; cnt++) {
  5329. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5330. if (val & 1)
  5331. break;
  5332. udelay(5);
  5333. }
  5334. if (cnt == 100) {
  5335. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5336. bnx2x_save_spirom_version(bp, params->port, 0,
  5337. phy->ver_addr);
  5338. return;
  5339. }
  5340. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5341. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000);
  5342. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5343. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A);
  5344. for (cnt = 0; cnt < 100; cnt++) {
  5345. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5346. if (val & 1)
  5347. break;
  5348. udelay(5);
  5349. }
  5350. if (cnt == 100) {
  5351. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5352. bnx2x_save_spirom_version(bp, params->port, 0,
  5353. phy->ver_addr);
  5354. return;
  5355. }
  5356. /* lower 16 bits of the register SPI_FW_STATUS */
  5357. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1);
  5358. /* upper 16 bits of register SPI_FW_STATUS */
  5359. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2);
  5360. bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
  5361. phy->ver_addr);
  5362. }
  5363. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5364. struct bnx2x_phy *phy)
  5365. {
  5366. u16 val, adj;
  5367. adj = 0;
  5368. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5369. adj = -1;
  5370. /* PHYC_CTL_LED_CTL */
  5371. bnx2x_cl45_read(bp, phy,
  5372. MDIO_PMA_DEVAD,
  5373. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val);
  5374. val &= 0xFE00;
  5375. val |= 0x0092;
  5376. bnx2x_cl45_write(bp, phy,
  5377. MDIO_PMA_DEVAD,
  5378. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val);
  5379. bnx2x_cl45_write(bp, phy,
  5380. MDIO_PMA_DEVAD,
  5381. MDIO_PMA_REG_8481_LED1_MASK + adj,
  5382. 0x80);
  5383. bnx2x_cl45_write(bp, phy,
  5384. MDIO_PMA_DEVAD,
  5385. MDIO_PMA_REG_8481_LED2_MASK + adj,
  5386. 0x18);
  5387. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5388. bnx2x_cl45_write(bp, phy,
  5389. MDIO_PMA_DEVAD,
  5390. MDIO_PMA_REG_8481_LED3_MASK + adj,
  5391. 0x0006);
  5392. /* Select the closest activity blink rate to that in 10/100/1000 */
  5393. bnx2x_cl45_write(bp, phy,
  5394. MDIO_PMA_DEVAD,
  5395. MDIO_PMA_REG_8481_LED3_BLINK + adj,
  5396. 0);
  5397. bnx2x_cl45_read(bp, phy,
  5398. MDIO_PMA_DEVAD,
  5399. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val);
  5400. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5401. bnx2x_cl45_write(bp, phy,
  5402. MDIO_PMA_DEVAD,
  5403. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val);
  5404. /* 'Interrupt Mask' */
  5405. bnx2x_cl45_write(bp, phy,
  5406. MDIO_AN_DEVAD,
  5407. 0xFFFB, 0xFFFD);
  5408. }
  5409. static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5410. struct link_params *params,
  5411. struct link_vars *vars)
  5412. {
  5413. struct bnx2x *bp = params->bp;
  5414. u16 autoneg_val, an_1000_val, an_10_100_val;
  5415. /*
  5416. * This phy uses the NIG latch mechanism since link indication
  5417. * arrives through its LED4 and not via its LASI signal, so we
  5418. * get steady signal instead of clear on read
  5419. */
  5420. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5421. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5422. bnx2x_cl45_write(bp, phy,
  5423. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5424. bnx2x_848xx_set_led(bp, phy);
  5425. /* set 1000 speed advertisement */
  5426. bnx2x_cl45_read(bp, phy,
  5427. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5428. &an_1000_val);
  5429. bnx2x_ext_phy_set_pause(params, phy, vars);
  5430. bnx2x_cl45_read(bp, phy,
  5431. MDIO_AN_DEVAD,
  5432. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5433. &an_10_100_val);
  5434. bnx2x_cl45_read(bp, phy,
  5435. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5436. &autoneg_val);
  5437. /* Disable forced speed */
  5438. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5439. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5440. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5441. (phy->speed_cap_mask &
  5442. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5443. (phy->req_line_speed == SPEED_1000)) {
  5444. an_1000_val |= (1<<8);
  5445. autoneg_val |= (1<<9 | 1<<12);
  5446. if (phy->req_duplex == DUPLEX_FULL)
  5447. an_1000_val |= (1<<9);
  5448. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5449. } else
  5450. an_1000_val &= ~((1<<8) | (1<<9));
  5451. bnx2x_cl45_write(bp, phy,
  5452. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5453. an_1000_val);
  5454. /* set 10 speed advertisement */
  5455. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5456. (phy->speed_cap_mask &
  5457. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5458. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5459. an_10_100_val |= (1<<7);
  5460. /* Enable autoneg and restart autoneg for legacy speeds */
  5461. autoneg_val |= (1<<9 | 1<<12);
  5462. if (phy->req_duplex == DUPLEX_FULL)
  5463. an_10_100_val |= (1<<8);
  5464. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5465. }
  5466. /* set 10 speed advertisement */
  5467. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5468. (phy->speed_cap_mask &
  5469. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5470. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5471. an_10_100_val |= (1<<5);
  5472. autoneg_val |= (1<<9 | 1<<12);
  5473. if (phy->req_duplex == DUPLEX_FULL)
  5474. an_10_100_val |= (1<<6);
  5475. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5476. }
  5477. /* Only 10/100 are allowed to work in FORCE mode */
  5478. if (phy->req_line_speed == SPEED_100) {
  5479. autoneg_val |= (1<<13);
  5480. /* Enabled AUTO-MDIX when autoneg is disabled */
  5481. bnx2x_cl45_write(bp, phy,
  5482. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5483. (1<<15 | 1<<9 | 7<<0));
  5484. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5485. }
  5486. if (phy->req_line_speed == SPEED_10) {
  5487. /* Enabled AUTO-MDIX when autoneg is disabled */
  5488. bnx2x_cl45_write(bp, phy,
  5489. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5490. (1<<15 | 1<<9 | 7<<0));
  5491. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5492. }
  5493. bnx2x_cl45_write(bp, phy,
  5494. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5495. an_10_100_val);
  5496. if (phy->req_duplex == DUPLEX_FULL)
  5497. autoneg_val |= (1<<8);
  5498. bnx2x_cl45_write(bp, phy,
  5499. MDIO_AN_DEVAD,
  5500. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5501. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5502. (phy->speed_cap_mask &
  5503. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5504. (phy->req_line_speed == SPEED_10000)) {
  5505. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5506. /* Restart autoneg for 10G*/
  5507. bnx2x_cl45_write(bp, phy,
  5508. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5509. 0x3200);
  5510. } else if (phy->req_line_speed != SPEED_10 &&
  5511. phy->req_line_speed != SPEED_100) {
  5512. bnx2x_cl45_write(bp, phy,
  5513. MDIO_AN_DEVAD,
  5514. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5515. 1);
  5516. }
  5517. /* Save spirom version */
  5518. bnx2x_save_848xx_spirom_version(phy, params);
  5519. return 0;
  5520. }
  5521. static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5522. struct link_params *params,
  5523. struct link_vars *vars)
  5524. {
  5525. struct bnx2x *bp = params->bp;
  5526. /* Restore normal power mode*/
  5527. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5528. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5529. /* HW reset */
  5530. bnx2x_ext_phy_hw_reset(bp, params->port);
  5531. bnx2x_wait_reset_complete(bp, phy, params);
  5532. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5533. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5534. }
  5535. static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5536. struct link_params *params,
  5537. struct link_vars *vars)
  5538. {
  5539. struct bnx2x *bp = params->bp;
  5540. u8 port, initialize = 1;
  5541. u16 val, adj;
  5542. u16 temp;
  5543. u32 actual_phy_selection, cms_enable;
  5544. u8 rc = 0;
  5545. /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
  5546. adj = 0;
  5547. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5548. adj = 3;
  5549. msleep(1);
  5550. if (CHIP_IS_E2(bp))
  5551. port = BP_PATH(bp);
  5552. else
  5553. port = params->port;
  5554. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5555. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5556. port);
  5557. bnx2x_wait_reset_complete(bp, phy, params);
  5558. /* Wait for GPHY to come out of reset */
  5559. msleep(50);
  5560. /*
  5561. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5562. */
  5563. temp = vars->line_speed;
  5564. vars->line_speed = SPEED_10000;
  5565. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5566. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5567. vars->line_speed = temp;
  5568. /* Set dual-media configuration according to configuration */
  5569. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5570. MDIO_CTL_REG_84823_MEDIA + adj, &val);
  5571. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5572. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5573. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5574. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5575. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5576. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5577. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5578. actual_phy_selection = bnx2x_phy_selection(params);
  5579. switch (actual_phy_selection) {
  5580. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5581. /* Do nothing. Essentially this is like the priority copper */
  5582. break;
  5583. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5584. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5585. break;
  5586. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5587. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5588. break;
  5589. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5590. /* Do nothing here. The first PHY won't be initialized at all */
  5591. break;
  5592. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5593. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5594. initialize = 0;
  5595. break;
  5596. }
  5597. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5598. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5599. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5600. MDIO_CTL_REG_84823_MEDIA + adj, val);
  5601. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5602. params->multi_phy_config, val);
  5603. if (initialize)
  5604. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5605. else
  5606. bnx2x_save_848xx_spirom_version(phy, params);
  5607. cms_enable = REG_RD(bp, params->shmem_base +
  5608. offsetof(struct shmem_region,
  5609. dev_info.port_hw_config[params->port].default_cfg)) &
  5610. PORT_HW_CFG_ENABLE_CMS_MASK;
  5611. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5612. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5613. if (cms_enable)
  5614. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5615. else
  5616. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5617. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5618. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5619. return rc;
  5620. }
  5621. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5622. struct link_params *params,
  5623. struct link_vars *vars)
  5624. {
  5625. struct bnx2x *bp = params->bp;
  5626. u16 val, val1, val2, adj;
  5627. u8 link_up = 0;
  5628. /* Reg offset adjustment for 84833 */
  5629. adj = 0;
  5630. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5631. adj = -1;
  5632. /* Check 10G-BaseT link status */
  5633. /* Check PMD signal ok */
  5634. bnx2x_cl45_read(bp, phy,
  5635. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5636. bnx2x_cl45_read(bp, phy,
  5637. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj,
  5638. &val2);
  5639. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5640. /* Check link 10G */
  5641. if (val2 & (1<<11)) {
  5642. vars->line_speed = SPEED_10000;
  5643. vars->duplex = DUPLEX_FULL;
  5644. link_up = 1;
  5645. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5646. } else { /* Check Legacy speed link */
  5647. u16 legacy_status, legacy_speed;
  5648. /* Enable expansion register 0x42 (Operation mode status) */
  5649. bnx2x_cl45_write(bp, phy,
  5650. MDIO_AN_DEVAD,
  5651. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5652. /* Get legacy speed operation status */
  5653. bnx2x_cl45_read(bp, phy,
  5654. MDIO_AN_DEVAD,
  5655. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5656. &legacy_status);
  5657. DP(NETIF_MSG_LINK, "Legacy speed status"
  5658. " = 0x%x\n", legacy_status);
  5659. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5660. if (link_up) {
  5661. legacy_speed = (legacy_status & (3<<9));
  5662. if (legacy_speed == (0<<9))
  5663. vars->line_speed = SPEED_10;
  5664. else if (legacy_speed == (1<<9))
  5665. vars->line_speed = SPEED_100;
  5666. else if (legacy_speed == (2<<9))
  5667. vars->line_speed = SPEED_1000;
  5668. else /* Should not happen */
  5669. vars->line_speed = 0;
  5670. if (legacy_status & (1<<8))
  5671. vars->duplex = DUPLEX_FULL;
  5672. else
  5673. vars->duplex = DUPLEX_HALF;
  5674. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5675. " is_duplex_full= %d\n", vars->line_speed,
  5676. (vars->duplex == DUPLEX_FULL));
  5677. /* Check legacy speed AN resolution */
  5678. bnx2x_cl45_read(bp, phy,
  5679. MDIO_AN_DEVAD,
  5680. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5681. &val);
  5682. if (val & (1<<5))
  5683. vars->link_status |=
  5684. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5685. bnx2x_cl45_read(bp, phy,
  5686. MDIO_AN_DEVAD,
  5687. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5688. &val);
  5689. if ((val & (1<<0)) == 0)
  5690. vars->link_status |=
  5691. LINK_STATUS_PARALLEL_DETECTION_USED;
  5692. }
  5693. }
  5694. if (link_up) {
  5695. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5696. vars->line_speed);
  5697. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5698. }
  5699. return link_up;
  5700. }
  5701. static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5702. {
  5703. u8 status = 0;
  5704. u32 spirom_ver;
  5705. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5706. status = bnx2x_format_ver(spirom_ver, str, len);
  5707. return status;
  5708. }
  5709. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5710. struct link_params *params)
  5711. {
  5712. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5713. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5714. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5715. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5716. }
  5717. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5718. struct link_params *params)
  5719. {
  5720. bnx2x_cl45_write(params->bp, phy,
  5721. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5722. bnx2x_cl45_write(params->bp, phy,
  5723. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5724. }
  5725. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5726. struct link_params *params)
  5727. {
  5728. struct bnx2x *bp = params->bp;
  5729. u8 port;
  5730. if (CHIP_IS_E2(bp))
  5731. port = BP_PATH(bp);
  5732. else
  5733. port = params->port;
  5734. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5735. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5736. port);
  5737. }
  5738. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5739. struct link_params *params, u8 mode)
  5740. {
  5741. struct bnx2x *bp = params->bp;
  5742. u16 val;
  5743. switch (mode) {
  5744. case LED_MODE_OFF:
  5745. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
  5746. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5747. SHARED_HW_CFG_LED_EXTPHY1) {
  5748. /* Set LED masks */
  5749. bnx2x_cl45_write(bp, phy,
  5750. MDIO_PMA_DEVAD,
  5751. MDIO_PMA_REG_8481_LED1_MASK,
  5752. 0x0);
  5753. bnx2x_cl45_write(bp, phy,
  5754. MDIO_PMA_DEVAD,
  5755. MDIO_PMA_REG_8481_LED2_MASK,
  5756. 0x0);
  5757. bnx2x_cl45_write(bp, phy,
  5758. MDIO_PMA_DEVAD,
  5759. MDIO_PMA_REG_8481_LED3_MASK,
  5760. 0x0);
  5761. bnx2x_cl45_write(bp, phy,
  5762. MDIO_PMA_DEVAD,
  5763. MDIO_PMA_REG_8481_LED5_MASK,
  5764. 0x0);
  5765. } else {
  5766. bnx2x_cl45_write(bp, phy,
  5767. MDIO_PMA_DEVAD,
  5768. MDIO_PMA_REG_8481_LED1_MASK,
  5769. 0x0);
  5770. }
  5771. break;
  5772. case LED_MODE_FRONT_PANEL_OFF:
  5773. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5774. params->port);
  5775. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5776. SHARED_HW_CFG_LED_EXTPHY1) {
  5777. /* Set LED masks */
  5778. bnx2x_cl45_write(bp, phy,
  5779. MDIO_PMA_DEVAD,
  5780. MDIO_PMA_REG_8481_LED1_MASK,
  5781. 0x0);
  5782. bnx2x_cl45_write(bp, phy,
  5783. MDIO_PMA_DEVAD,
  5784. MDIO_PMA_REG_8481_LED2_MASK,
  5785. 0x0);
  5786. bnx2x_cl45_write(bp, phy,
  5787. MDIO_PMA_DEVAD,
  5788. MDIO_PMA_REG_8481_LED3_MASK,
  5789. 0x0);
  5790. bnx2x_cl45_write(bp, phy,
  5791. MDIO_PMA_DEVAD,
  5792. MDIO_PMA_REG_8481_LED5_MASK,
  5793. 0x20);
  5794. } else {
  5795. bnx2x_cl45_write(bp, phy,
  5796. MDIO_PMA_DEVAD,
  5797. MDIO_PMA_REG_8481_LED1_MASK,
  5798. 0x0);
  5799. }
  5800. break;
  5801. case LED_MODE_ON:
  5802. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
  5803. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5804. SHARED_HW_CFG_LED_EXTPHY1) {
  5805. /* Set control reg */
  5806. bnx2x_cl45_read(bp, phy,
  5807. MDIO_PMA_DEVAD,
  5808. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5809. &val);
  5810. val &= 0x8000;
  5811. val |= 0x2492;
  5812. bnx2x_cl45_write(bp, phy,
  5813. MDIO_PMA_DEVAD,
  5814. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5815. val);
  5816. /* Set LED masks */
  5817. bnx2x_cl45_write(bp, phy,
  5818. MDIO_PMA_DEVAD,
  5819. MDIO_PMA_REG_8481_LED1_MASK,
  5820. 0x0);
  5821. bnx2x_cl45_write(bp, phy,
  5822. MDIO_PMA_DEVAD,
  5823. MDIO_PMA_REG_8481_LED2_MASK,
  5824. 0x20);
  5825. bnx2x_cl45_write(bp, phy,
  5826. MDIO_PMA_DEVAD,
  5827. MDIO_PMA_REG_8481_LED3_MASK,
  5828. 0x20);
  5829. bnx2x_cl45_write(bp, phy,
  5830. MDIO_PMA_DEVAD,
  5831. MDIO_PMA_REG_8481_LED5_MASK,
  5832. 0x0);
  5833. } else {
  5834. bnx2x_cl45_write(bp, phy,
  5835. MDIO_PMA_DEVAD,
  5836. MDIO_PMA_REG_8481_LED1_MASK,
  5837. 0x20);
  5838. }
  5839. break;
  5840. case LED_MODE_OPER:
  5841. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
  5842. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5843. SHARED_HW_CFG_LED_EXTPHY1) {
  5844. /* Set control reg */
  5845. bnx2x_cl45_read(bp, phy,
  5846. MDIO_PMA_DEVAD,
  5847. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5848. &val);
  5849. if (!((val &
  5850. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5851. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5852. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5853. bnx2x_cl45_write(bp, phy,
  5854. MDIO_PMA_DEVAD,
  5855. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5856. 0xa492);
  5857. }
  5858. /* Set LED masks */
  5859. bnx2x_cl45_write(bp, phy,
  5860. MDIO_PMA_DEVAD,
  5861. MDIO_PMA_REG_8481_LED1_MASK,
  5862. 0x10);
  5863. bnx2x_cl45_write(bp, phy,
  5864. MDIO_PMA_DEVAD,
  5865. MDIO_PMA_REG_8481_LED2_MASK,
  5866. 0x80);
  5867. bnx2x_cl45_write(bp, phy,
  5868. MDIO_PMA_DEVAD,
  5869. MDIO_PMA_REG_8481_LED3_MASK,
  5870. 0x98);
  5871. bnx2x_cl45_write(bp, phy,
  5872. MDIO_PMA_DEVAD,
  5873. MDIO_PMA_REG_8481_LED5_MASK,
  5874. 0x40);
  5875. } else {
  5876. bnx2x_cl45_write(bp, phy,
  5877. MDIO_PMA_DEVAD,
  5878. MDIO_PMA_REG_8481_LED1_MASK,
  5879. 0x80);
  5880. /* Tell LED3 to blink on source */
  5881. bnx2x_cl45_read(bp, phy,
  5882. MDIO_PMA_DEVAD,
  5883. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5884. &val);
  5885. val &= ~(7<<6);
  5886. val |= (1<<6); /* A83B[8:6]= 1 */
  5887. bnx2x_cl45_write(bp, phy,
  5888. MDIO_PMA_DEVAD,
  5889. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5890. val);
  5891. }
  5892. break;
  5893. }
  5894. }
  5895. /******************************************************************/
  5896. /* SFX7101 PHY SECTION */
  5897. /******************************************************************/
  5898. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  5899. struct link_params *params)
  5900. {
  5901. struct bnx2x *bp = params->bp;
  5902. /* SFX7101_XGXS_TEST1 */
  5903. bnx2x_cl45_write(bp, phy,
  5904. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  5905. }
  5906. static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
  5907. struct link_params *params,
  5908. struct link_vars *vars)
  5909. {
  5910. u16 fw_ver1, fw_ver2, val;
  5911. struct bnx2x *bp = params->bp;
  5912. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  5913. /* Restore normal power mode*/
  5914. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5915. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5916. /* HW reset */
  5917. bnx2x_ext_phy_hw_reset(bp, params->port);
  5918. bnx2x_wait_reset_complete(bp, phy, params);
  5919. bnx2x_cl45_write(bp, phy,
  5920. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  5921. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  5922. bnx2x_cl45_write(bp, phy,
  5923. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  5924. bnx2x_ext_phy_set_pause(params, phy, vars);
  5925. /* Restart autoneg */
  5926. bnx2x_cl45_read(bp, phy,
  5927. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  5928. val |= 0x200;
  5929. bnx2x_cl45_write(bp, phy,
  5930. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  5931. /* Save spirom version */
  5932. bnx2x_cl45_read(bp, phy,
  5933. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  5934. bnx2x_cl45_read(bp, phy,
  5935. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  5936. bnx2x_save_spirom_version(bp, params->port,
  5937. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  5938. return 0;
  5939. }
  5940. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  5941. struct link_params *params,
  5942. struct link_vars *vars)
  5943. {
  5944. struct bnx2x *bp = params->bp;
  5945. u8 link_up;
  5946. u16 val1, val2;
  5947. bnx2x_cl45_read(bp, phy,
  5948. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  5949. bnx2x_cl45_read(bp, phy,
  5950. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5951. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  5952. val2, val1);
  5953. bnx2x_cl45_read(bp, phy,
  5954. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  5955. bnx2x_cl45_read(bp, phy,
  5956. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  5957. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  5958. val2, val1);
  5959. link_up = ((val1 & 4) == 4);
  5960. /* if link is up print the AN outcome of the SFX7101 PHY */
  5961. if (link_up) {
  5962. bnx2x_cl45_read(bp, phy,
  5963. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  5964. &val2);
  5965. vars->line_speed = SPEED_10000;
  5966. vars->duplex = DUPLEX_FULL;
  5967. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  5968. val2, (val2 & (1<<14)));
  5969. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5970. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5971. }
  5972. return link_up;
  5973. }
  5974. static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5975. {
  5976. if (*len < 5)
  5977. return -EINVAL;
  5978. str[0] = (spirom_ver & 0xFF);
  5979. str[1] = (spirom_ver & 0xFF00) >> 8;
  5980. str[2] = (spirom_ver & 0xFF0000) >> 16;
  5981. str[3] = (spirom_ver & 0xFF000000) >> 24;
  5982. str[4] = '\0';
  5983. *len -= 5;
  5984. return 0;
  5985. }
  5986. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  5987. {
  5988. u16 val, cnt;
  5989. bnx2x_cl45_read(bp, phy,
  5990. MDIO_PMA_DEVAD,
  5991. MDIO_PMA_REG_7101_RESET, &val);
  5992. for (cnt = 0; cnt < 10; cnt++) {
  5993. msleep(50);
  5994. /* Writes a self-clearing reset */
  5995. bnx2x_cl45_write(bp, phy,
  5996. MDIO_PMA_DEVAD,
  5997. MDIO_PMA_REG_7101_RESET,
  5998. (val | (1<<15)));
  5999. /* Wait for clear */
  6000. bnx2x_cl45_read(bp, phy,
  6001. MDIO_PMA_DEVAD,
  6002. MDIO_PMA_REG_7101_RESET, &val);
  6003. if ((val & (1<<15)) == 0)
  6004. break;
  6005. }
  6006. }
  6007. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  6008. struct link_params *params) {
  6009. /* Low power mode is controlled by GPIO 2 */
  6010. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  6011. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6012. /* The PHY reset is controlled by GPIO 1 */
  6013. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  6014. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6015. }
  6016. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  6017. struct link_params *params, u8 mode)
  6018. {
  6019. u16 val = 0;
  6020. struct bnx2x *bp = params->bp;
  6021. switch (mode) {
  6022. case LED_MODE_FRONT_PANEL_OFF:
  6023. case LED_MODE_OFF:
  6024. val = 2;
  6025. break;
  6026. case LED_MODE_ON:
  6027. val = 1;
  6028. break;
  6029. case LED_MODE_OPER:
  6030. val = 0;
  6031. break;
  6032. }
  6033. bnx2x_cl45_write(bp, phy,
  6034. MDIO_PMA_DEVAD,
  6035. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  6036. val);
  6037. }
  6038. /******************************************************************/
  6039. /* STATIC PHY DECLARATION */
  6040. /******************************************************************/
  6041. static struct bnx2x_phy phy_null = {
  6042. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6043. .addr = 0,
  6044. .flags = FLAGS_INIT_XGXS_FIRST,
  6045. .def_md_devad = 0,
  6046. .reserved = 0,
  6047. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6048. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6049. .mdio_ctrl = 0,
  6050. .supported = 0,
  6051. .media_type = ETH_PHY_NOT_PRESENT,
  6052. .ver_addr = 0,
  6053. .req_flow_ctrl = 0,
  6054. .req_line_speed = 0,
  6055. .speed_cap_mask = 0,
  6056. .req_duplex = 0,
  6057. .rsrv = 0,
  6058. .config_init = (config_init_t)NULL,
  6059. .read_status = (read_status_t)NULL,
  6060. .link_reset = (link_reset_t)NULL,
  6061. .config_loopback = (config_loopback_t)NULL,
  6062. .format_fw_ver = (format_fw_ver_t)NULL,
  6063. .hw_reset = (hw_reset_t)NULL,
  6064. .set_link_led = (set_link_led_t)NULL,
  6065. .phy_specific_func = (phy_specific_func_t)NULL
  6066. };
  6067. static struct bnx2x_phy phy_serdes = {
  6068. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6069. .addr = 0xff,
  6070. .flags = 0,
  6071. .def_md_devad = 0,
  6072. .reserved = 0,
  6073. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6074. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6075. .mdio_ctrl = 0,
  6076. .supported = (SUPPORTED_10baseT_Half |
  6077. SUPPORTED_10baseT_Full |
  6078. SUPPORTED_100baseT_Half |
  6079. SUPPORTED_100baseT_Full |
  6080. SUPPORTED_1000baseT_Full |
  6081. SUPPORTED_2500baseX_Full |
  6082. SUPPORTED_TP |
  6083. SUPPORTED_Autoneg |
  6084. SUPPORTED_Pause |
  6085. SUPPORTED_Asym_Pause),
  6086. .media_type = ETH_PHY_BASE_T,
  6087. .ver_addr = 0,
  6088. .req_flow_ctrl = 0,
  6089. .req_line_speed = 0,
  6090. .speed_cap_mask = 0,
  6091. .req_duplex = 0,
  6092. .rsrv = 0,
  6093. .config_init = (config_init_t)bnx2x_init_serdes,
  6094. .read_status = (read_status_t)bnx2x_link_settings_status,
  6095. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6096. .config_loopback = (config_loopback_t)NULL,
  6097. .format_fw_ver = (format_fw_ver_t)NULL,
  6098. .hw_reset = (hw_reset_t)NULL,
  6099. .set_link_led = (set_link_led_t)NULL,
  6100. .phy_specific_func = (phy_specific_func_t)NULL
  6101. };
  6102. static struct bnx2x_phy phy_xgxs = {
  6103. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6104. .addr = 0xff,
  6105. .flags = 0,
  6106. .def_md_devad = 0,
  6107. .reserved = 0,
  6108. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6109. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6110. .mdio_ctrl = 0,
  6111. .supported = (SUPPORTED_10baseT_Half |
  6112. SUPPORTED_10baseT_Full |
  6113. SUPPORTED_100baseT_Half |
  6114. SUPPORTED_100baseT_Full |
  6115. SUPPORTED_1000baseT_Full |
  6116. SUPPORTED_2500baseX_Full |
  6117. SUPPORTED_10000baseT_Full |
  6118. SUPPORTED_FIBRE |
  6119. SUPPORTED_Autoneg |
  6120. SUPPORTED_Pause |
  6121. SUPPORTED_Asym_Pause),
  6122. .media_type = ETH_PHY_CX4,
  6123. .ver_addr = 0,
  6124. .req_flow_ctrl = 0,
  6125. .req_line_speed = 0,
  6126. .speed_cap_mask = 0,
  6127. .req_duplex = 0,
  6128. .rsrv = 0,
  6129. .config_init = (config_init_t)bnx2x_init_xgxs,
  6130. .read_status = (read_status_t)bnx2x_link_settings_status,
  6131. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6132. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6133. .format_fw_ver = (format_fw_ver_t)NULL,
  6134. .hw_reset = (hw_reset_t)NULL,
  6135. .set_link_led = (set_link_led_t)NULL,
  6136. .phy_specific_func = (phy_specific_func_t)NULL
  6137. };
  6138. static struct bnx2x_phy phy_7101 = {
  6139. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6140. .addr = 0xff,
  6141. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6142. .def_md_devad = 0,
  6143. .reserved = 0,
  6144. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6145. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6146. .mdio_ctrl = 0,
  6147. .supported = (SUPPORTED_10000baseT_Full |
  6148. SUPPORTED_TP |
  6149. SUPPORTED_Autoneg |
  6150. SUPPORTED_Pause |
  6151. SUPPORTED_Asym_Pause),
  6152. .media_type = ETH_PHY_BASE_T,
  6153. .ver_addr = 0,
  6154. .req_flow_ctrl = 0,
  6155. .req_line_speed = 0,
  6156. .speed_cap_mask = 0,
  6157. .req_duplex = 0,
  6158. .rsrv = 0,
  6159. .config_init = (config_init_t)bnx2x_7101_config_init,
  6160. .read_status = (read_status_t)bnx2x_7101_read_status,
  6161. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6162. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6163. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6164. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6165. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6166. .phy_specific_func = (phy_specific_func_t)NULL
  6167. };
  6168. static struct bnx2x_phy phy_8073 = {
  6169. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6170. .addr = 0xff,
  6171. .flags = FLAGS_HW_LOCK_REQUIRED,
  6172. .def_md_devad = 0,
  6173. .reserved = 0,
  6174. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6175. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6176. .mdio_ctrl = 0,
  6177. .supported = (SUPPORTED_10000baseT_Full |
  6178. SUPPORTED_2500baseX_Full |
  6179. SUPPORTED_1000baseT_Full |
  6180. SUPPORTED_FIBRE |
  6181. SUPPORTED_Autoneg |
  6182. SUPPORTED_Pause |
  6183. SUPPORTED_Asym_Pause),
  6184. .media_type = ETH_PHY_KR,
  6185. .ver_addr = 0,
  6186. .req_flow_ctrl = 0,
  6187. .req_line_speed = 0,
  6188. .speed_cap_mask = 0,
  6189. .req_duplex = 0,
  6190. .rsrv = 0,
  6191. .config_init = (config_init_t)bnx2x_8073_config_init,
  6192. .read_status = (read_status_t)bnx2x_8073_read_status,
  6193. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6194. .config_loopback = (config_loopback_t)NULL,
  6195. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6196. .hw_reset = (hw_reset_t)NULL,
  6197. .set_link_led = (set_link_led_t)NULL,
  6198. .phy_specific_func = (phy_specific_func_t)NULL
  6199. };
  6200. static struct bnx2x_phy phy_8705 = {
  6201. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6202. .addr = 0xff,
  6203. .flags = FLAGS_INIT_XGXS_FIRST,
  6204. .def_md_devad = 0,
  6205. .reserved = 0,
  6206. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6207. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6208. .mdio_ctrl = 0,
  6209. .supported = (SUPPORTED_10000baseT_Full |
  6210. SUPPORTED_FIBRE |
  6211. SUPPORTED_Pause |
  6212. SUPPORTED_Asym_Pause),
  6213. .media_type = ETH_PHY_XFP_FIBER,
  6214. .ver_addr = 0,
  6215. .req_flow_ctrl = 0,
  6216. .req_line_speed = 0,
  6217. .speed_cap_mask = 0,
  6218. .req_duplex = 0,
  6219. .rsrv = 0,
  6220. .config_init = (config_init_t)bnx2x_8705_config_init,
  6221. .read_status = (read_status_t)bnx2x_8705_read_status,
  6222. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6223. .config_loopback = (config_loopback_t)NULL,
  6224. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6225. .hw_reset = (hw_reset_t)NULL,
  6226. .set_link_led = (set_link_led_t)NULL,
  6227. .phy_specific_func = (phy_specific_func_t)NULL
  6228. };
  6229. static struct bnx2x_phy phy_8706 = {
  6230. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6231. .addr = 0xff,
  6232. .flags = FLAGS_INIT_XGXS_FIRST,
  6233. .def_md_devad = 0,
  6234. .reserved = 0,
  6235. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6236. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6237. .mdio_ctrl = 0,
  6238. .supported = (SUPPORTED_10000baseT_Full |
  6239. SUPPORTED_1000baseT_Full |
  6240. SUPPORTED_FIBRE |
  6241. SUPPORTED_Pause |
  6242. SUPPORTED_Asym_Pause),
  6243. .media_type = ETH_PHY_SFP_FIBER,
  6244. .ver_addr = 0,
  6245. .req_flow_ctrl = 0,
  6246. .req_line_speed = 0,
  6247. .speed_cap_mask = 0,
  6248. .req_duplex = 0,
  6249. .rsrv = 0,
  6250. .config_init = (config_init_t)bnx2x_8706_config_init,
  6251. .read_status = (read_status_t)bnx2x_8706_read_status,
  6252. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6253. .config_loopback = (config_loopback_t)NULL,
  6254. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6255. .hw_reset = (hw_reset_t)NULL,
  6256. .set_link_led = (set_link_led_t)NULL,
  6257. .phy_specific_func = (phy_specific_func_t)NULL
  6258. };
  6259. static struct bnx2x_phy phy_8726 = {
  6260. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6261. .addr = 0xff,
  6262. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6263. FLAGS_INIT_XGXS_FIRST),
  6264. .def_md_devad = 0,
  6265. .reserved = 0,
  6266. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6267. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6268. .mdio_ctrl = 0,
  6269. .supported = (SUPPORTED_10000baseT_Full |
  6270. SUPPORTED_1000baseT_Full |
  6271. SUPPORTED_Autoneg |
  6272. SUPPORTED_FIBRE |
  6273. SUPPORTED_Pause |
  6274. SUPPORTED_Asym_Pause),
  6275. .media_type = ETH_PHY_NOT_PRESENT,
  6276. .ver_addr = 0,
  6277. .req_flow_ctrl = 0,
  6278. .req_line_speed = 0,
  6279. .speed_cap_mask = 0,
  6280. .req_duplex = 0,
  6281. .rsrv = 0,
  6282. .config_init = (config_init_t)bnx2x_8726_config_init,
  6283. .read_status = (read_status_t)bnx2x_8726_read_status,
  6284. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6285. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6286. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6287. .hw_reset = (hw_reset_t)NULL,
  6288. .set_link_led = (set_link_led_t)NULL,
  6289. .phy_specific_func = (phy_specific_func_t)NULL
  6290. };
  6291. static struct bnx2x_phy phy_8727 = {
  6292. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6293. .addr = 0xff,
  6294. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6295. .def_md_devad = 0,
  6296. .reserved = 0,
  6297. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6298. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6299. .mdio_ctrl = 0,
  6300. .supported = (SUPPORTED_10000baseT_Full |
  6301. SUPPORTED_1000baseT_Full |
  6302. SUPPORTED_FIBRE |
  6303. SUPPORTED_Pause |
  6304. SUPPORTED_Asym_Pause),
  6305. .media_type = ETH_PHY_NOT_PRESENT,
  6306. .ver_addr = 0,
  6307. .req_flow_ctrl = 0,
  6308. .req_line_speed = 0,
  6309. .speed_cap_mask = 0,
  6310. .req_duplex = 0,
  6311. .rsrv = 0,
  6312. .config_init = (config_init_t)bnx2x_8727_config_init,
  6313. .read_status = (read_status_t)bnx2x_8727_read_status,
  6314. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6315. .config_loopback = (config_loopback_t)NULL,
  6316. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6317. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6318. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6319. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6320. };
  6321. static struct bnx2x_phy phy_8481 = {
  6322. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6323. .addr = 0xff,
  6324. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6325. FLAGS_REARM_LATCH_SIGNAL,
  6326. .def_md_devad = 0,
  6327. .reserved = 0,
  6328. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6329. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6330. .mdio_ctrl = 0,
  6331. .supported = (SUPPORTED_10baseT_Half |
  6332. SUPPORTED_10baseT_Full |
  6333. SUPPORTED_100baseT_Half |
  6334. SUPPORTED_100baseT_Full |
  6335. SUPPORTED_1000baseT_Full |
  6336. SUPPORTED_10000baseT_Full |
  6337. SUPPORTED_TP |
  6338. SUPPORTED_Autoneg |
  6339. SUPPORTED_Pause |
  6340. SUPPORTED_Asym_Pause),
  6341. .media_type = ETH_PHY_BASE_T,
  6342. .ver_addr = 0,
  6343. .req_flow_ctrl = 0,
  6344. .req_line_speed = 0,
  6345. .speed_cap_mask = 0,
  6346. .req_duplex = 0,
  6347. .rsrv = 0,
  6348. .config_init = (config_init_t)bnx2x_8481_config_init,
  6349. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6350. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6351. .config_loopback = (config_loopback_t)NULL,
  6352. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6353. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6354. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6355. .phy_specific_func = (phy_specific_func_t)NULL
  6356. };
  6357. static struct bnx2x_phy phy_84823 = {
  6358. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6359. .addr = 0xff,
  6360. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6361. FLAGS_REARM_LATCH_SIGNAL,
  6362. .def_md_devad = 0,
  6363. .reserved = 0,
  6364. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6365. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6366. .mdio_ctrl = 0,
  6367. .supported = (SUPPORTED_10baseT_Half |
  6368. SUPPORTED_10baseT_Full |
  6369. SUPPORTED_100baseT_Half |
  6370. SUPPORTED_100baseT_Full |
  6371. SUPPORTED_1000baseT_Full |
  6372. SUPPORTED_10000baseT_Full |
  6373. SUPPORTED_TP |
  6374. SUPPORTED_Autoneg |
  6375. SUPPORTED_Pause |
  6376. SUPPORTED_Asym_Pause),
  6377. .media_type = ETH_PHY_BASE_T,
  6378. .ver_addr = 0,
  6379. .req_flow_ctrl = 0,
  6380. .req_line_speed = 0,
  6381. .speed_cap_mask = 0,
  6382. .req_duplex = 0,
  6383. .rsrv = 0,
  6384. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6385. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6386. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6387. .config_loopback = (config_loopback_t)NULL,
  6388. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6389. .hw_reset = (hw_reset_t)NULL,
  6390. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6391. .phy_specific_func = (phy_specific_func_t)NULL
  6392. };
  6393. static struct bnx2x_phy phy_84833 = {
  6394. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6395. .addr = 0xff,
  6396. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6397. FLAGS_REARM_LATCH_SIGNAL,
  6398. .def_md_devad = 0,
  6399. .reserved = 0,
  6400. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6401. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6402. .mdio_ctrl = 0,
  6403. .supported = (SUPPORTED_10baseT_Half |
  6404. SUPPORTED_10baseT_Full |
  6405. SUPPORTED_100baseT_Half |
  6406. SUPPORTED_100baseT_Full |
  6407. SUPPORTED_1000baseT_Full |
  6408. SUPPORTED_10000baseT_Full |
  6409. SUPPORTED_TP |
  6410. SUPPORTED_Autoneg |
  6411. SUPPORTED_Pause |
  6412. SUPPORTED_Asym_Pause),
  6413. .media_type = ETH_PHY_BASE_T,
  6414. .ver_addr = 0,
  6415. .req_flow_ctrl = 0,
  6416. .req_line_speed = 0,
  6417. .speed_cap_mask = 0,
  6418. .req_duplex = 0,
  6419. .rsrv = 0,
  6420. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6421. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6422. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6423. .config_loopback = (config_loopback_t)NULL,
  6424. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6425. .hw_reset = (hw_reset_t)NULL,
  6426. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6427. .phy_specific_func = (phy_specific_func_t)NULL
  6428. };
  6429. /*****************************************************************/
  6430. /* */
  6431. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6432. /* */
  6433. /*****************************************************************/
  6434. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6435. struct bnx2x_phy *phy, u8 port,
  6436. u8 phy_index)
  6437. {
  6438. /* Get the 4 lanes xgxs config rx and tx */
  6439. u32 rx = 0, tx = 0, i;
  6440. for (i = 0; i < 2; i++) {
  6441. /*
  6442. * INT_PHY and EXT_PHY1 share the same value location in the
  6443. * shmem. When num_phys is greater than 1, than this value
  6444. * applies only to EXT_PHY1
  6445. */
  6446. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6447. rx = REG_RD(bp, shmem_base +
  6448. offsetof(struct shmem_region,
  6449. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6450. tx = REG_RD(bp, shmem_base +
  6451. offsetof(struct shmem_region,
  6452. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6453. } else {
  6454. rx = REG_RD(bp, shmem_base +
  6455. offsetof(struct shmem_region,
  6456. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6457. tx = REG_RD(bp, shmem_base +
  6458. offsetof(struct shmem_region,
  6459. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6460. }
  6461. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6462. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6463. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6464. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6465. }
  6466. }
  6467. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6468. u8 phy_index, u8 port)
  6469. {
  6470. u32 ext_phy_config = 0;
  6471. switch (phy_index) {
  6472. case EXT_PHY1:
  6473. ext_phy_config = REG_RD(bp, shmem_base +
  6474. offsetof(struct shmem_region,
  6475. dev_info.port_hw_config[port].external_phy_config));
  6476. break;
  6477. case EXT_PHY2:
  6478. ext_phy_config = REG_RD(bp, shmem_base +
  6479. offsetof(struct shmem_region,
  6480. dev_info.port_hw_config[port].external_phy_config2));
  6481. break;
  6482. default:
  6483. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6484. return -EINVAL;
  6485. }
  6486. return ext_phy_config;
  6487. }
  6488. static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6489. struct bnx2x_phy *phy)
  6490. {
  6491. u32 phy_addr;
  6492. u32 chip_id;
  6493. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6494. offsetof(struct shmem_region,
  6495. dev_info.port_feature_config[port].link_config)) &
  6496. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6497. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6498. switch (switch_cfg) {
  6499. case SWITCH_CFG_1G:
  6500. phy_addr = REG_RD(bp,
  6501. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6502. port * 0x10);
  6503. *phy = phy_serdes;
  6504. break;
  6505. case SWITCH_CFG_10G:
  6506. phy_addr = REG_RD(bp,
  6507. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6508. port * 0x18);
  6509. *phy = phy_xgxs;
  6510. break;
  6511. default:
  6512. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6513. return -EINVAL;
  6514. }
  6515. phy->addr = (u8)phy_addr;
  6516. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6517. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6518. port);
  6519. if (CHIP_IS_E2(bp))
  6520. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6521. else
  6522. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6523. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6524. port, phy->addr, phy->mdio_ctrl);
  6525. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6526. return 0;
  6527. }
  6528. static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
  6529. u8 phy_index,
  6530. u32 shmem_base,
  6531. u32 shmem2_base,
  6532. u8 port,
  6533. struct bnx2x_phy *phy)
  6534. {
  6535. u32 ext_phy_config, phy_type, config2;
  6536. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6537. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6538. phy_index, port);
  6539. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6540. /* Select the phy type */
  6541. switch (phy_type) {
  6542. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6543. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6544. *phy = phy_8073;
  6545. break;
  6546. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6547. *phy = phy_8705;
  6548. break;
  6549. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6550. *phy = phy_8706;
  6551. break;
  6552. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6553. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6554. *phy = phy_8726;
  6555. break;
  6556. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6557. /* BCM8727_NOC => BCM8727 no over current */
  6558. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6559. *phy = phy_8727;
  6560. phy->flags |= FLAGS_NOC;
  6561. break;
  6562. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6563. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6564. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6565. *phy = phy_8727;
  6566. break;
  6567. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6568. *phy = phy_8481;
  6569. break;
  6570. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6571. *phy = phy_84823;
  6572. break;
  6573. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6574. *phy = phy_84833;
  6575. break;
  6576. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6577. *phy = phy_7101;
  6578. break;
  6579. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6580. *phy = phy_null;
  6581. return -EINVAL;
  6582. default:
  6583. *phy = phy_null;
  6584. return 0;
  6585. }
  6586. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6587. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6588. /*
  6589. * The shmem address of the phy version is located on different
  6590. * structures. In case this structure is too old, do not set
  6591. * the address
  6592. */
  6593. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6594. dev_info.shared_hw_config.config2));
  6595. if (phy_index == EXT_PHY1) {
  6596. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6597. port_mb[port].ext_phy_fw_version);
  6598. /* Check specific mdc mdio settings */
  6599. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6600. mdc_mdio_access = config2 &
  6601. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6602. } else {
  6603. u32 size = REG_RD(bp, shmem2_base);
  6604. if (size >
  6605. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6606. phy->ver_addr = shmem2_base +
  6607. offsetof(struct shmem2_region,
  6608. ext_phy_fw_version2[port]);
  6609. }
  6610. /* Check specific mdc mdio settings */
  6611. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6612. mdc_mdio_access = (config2 &
  6613. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6614. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6615. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6616. }
  6617. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6618. /*
  6619. * In case mdc/mdio_access of the external phy is different than the
  6620. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6621. * to prevent one port interfere with another port's CL45 operations.
  6622. */
  6623. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6624. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6625. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6626. phy_type, port, phy_index);
  6627. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6628. phy->addr, phy->mdio_ctrl);
  6629. return 0;
  6630. }
  6631. static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6632. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6633. {
  6634. u8 status = 0;
  6635. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6636. if (phy_index == INT_PHY)
  6637. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6638. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6639. port, phy);
  6640. return status;
  6641. }
  6642. static void bnx2x_phy_def_cfg(struct link_params *params,
  6643. struct bnx2x_phy *phy,
  6644. u8 phy_index)
  6645. {
  6646. struct bnx2x *bp = params->bp;
  6647. u32 link_config;
  6648. /* Populate the default phy configuration for MF mode */
  6649. if (phy_index == EXT_PHY2) {
  6650. link_config = REG_RD(bp, params->shmem_base +
  6651. offsetof(struct shmem_region, dev_info.
  6652. port_feature_config[params->port].link_config2));
  6653. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6654. offsetof(struct shmem_region,
  6655. dev_info.
  6656. port_hw_config[params->port].speed_capability_mask2));
  6657. } else {
  6658. link_config = REG_RD(bp, params->shmem_base +
  6659. offsetof(struct shmem_region, dev_info.
  6660. port_feature_config[params->port].link_config));
  6661. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6662. offsetof(struct shmem_region,
  6663. dev_info.
  6664. port_hw_config[params->port].speed_capability_mask));
  6665. }
  6666. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6667. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6668. phy->req_duplex = DUPLEX_FULL;
  6669. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6670. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6671. phy->req_duplex = DUPLEX_HALF;
  6672. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6673. phy->req_line_speed = SPEED_10;
  6674. break;
  6675. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6676. phy->req_duplex = DUPLEX_HALF;
  6677. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6678. phy->req_line_speed = SPEED_100;
  6679. break;
  6680. case PORT_FEATURE_LINK_SPEED_1G:
  6681. phy->req_line_speed = SPEED_1000;
  6682. break;
  6683. case PORT_FEATURE_LINK_SPEED_2_5G:
  6684. phy->req_line_speed = SPEED_2500;
  6685. break;
  6686. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6687. phy->req_line_speed = SPEED_10000;
  6688. break;
  6689. default:
  6690. phy->req_line_speed = SPEED_AUTO_NEG;
  6691. break;
  6692. }
  6693. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6694. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6695. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6696. break;
  6697. case PORT_FEATURE_FLOW_CONTROL_TX:
  6698. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6699. break;
  6700. case PORT_FEATURE_FLOW_CONTROL_RX:
  6701. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6702. break;
  6703. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6704. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6705. break;
  6706. default:
  6707. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6708. break;
  6709. }
  6710. }
  6711. u32 bnx2x_phy_selection(struct link_params *params)
  6712. {
  6713. u32 phy_config_swapped, prio_cfg;
  6714. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6715. phy_config_swapped = params->multi_phy_config &
  6716. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6717. prio_cfg = params->multi_phy_config &
  6718. PORT_HW_CFG_PHY_SELECTION_MASK;
  6719. if (phy_config_swapped) {
  6720. switch (prio_cfg) {
  6721. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6722. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6723. break;
  6724. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6725. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6726. break;
  6727. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6728. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6729. break;
  6730. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6731. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6732. break;
  6733. }
  6734. } else
  6735. return_cfg = prio_cfg;
  6736. return return_cfg;
  6737. }
  6738. u8 bnx2x_phy_probe(struct link_params *params)
  6739. {
  6740. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6741. u32 phy_config_swapped, sync_offset, media_types;
  6742. struct bnx2x *bp = params->bp;
  6743. struct bnx2x_phy *phy;
  6744. params->num_phys = 0;
  6745. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6746. phy_config_swapped = params->multi_phy_config &
  6747. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6748. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6749. phy_index++) {
  6750. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6751. actual_phy_idx = phy_index;
  6752. if (phy_config_swapped) {
  6753. if (phy_index == EXT_PHY1)
  6754. actual_phy_idx = EXT_PHY2;
  6755. else if (phy_index == EXT_PHY2)
  6756. actual_phy_idx = EXT_PHY1;
  6757. }
  6758. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6759. " actual_phy_idx %x\n", phy_config_swapped,
  6760. phy_index, actual_phy_idx);
  6761. phy = &params->phy[actual_phy_idx];
  6762. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6763. params->shmem2_base, params->port,
  6764. phy) != 0) {
  6765. params->num_phys = 0;
  6766. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6767. phy_index);
  6768. for (phy_index = INT_PHY;
  6769. phy_index < MAX_PHYS;
  6770. phy_index++)
  6771. *phy = phy_null;
  6772. return -EINVAL;
  6773. }
  6774. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6775. break;
  6776. sync_offset = params->shmem_base +
  6777. offsetof(struct shmem_region,
  6778. dev_info.port_hw_config[params->port].media_type);
  6779. media_types = REG_RD(bp, sync_offset);
  6780. /*
  6781. * Update media type for non-PMF sync only for the first time
  6782. * In case the media type changes afterwards, it will be updated
  6783. * using the update_status function
  6784. */
  6785. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6786. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6787. actual_phy_idx))) == 0) {
  6788. media_types |= ((phy->media_type &
  6789. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6790. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6791. actual_phy_idx));
  6792. }
  6793. REG_WR(bp, sync_offset, media_types);
  6794. bnx2x_phy_def_cfg(params, phy, phy_index);
  6795. params->num_phys++;
  6796. }
  6797. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6798. return 0;
  6799. }
  6800. static void set_phy_vars(struct link_params *params)
  6801. {
  6802. struct bnx2x *bp = params->bp;
  6803. u8 actual_phy_idx, phy_index, link_cfg_idx;
  6804. u8 phy_config_swapped = params->multi_phy_config &
  6805. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6806. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6807. phy_index++) {
  6808. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6809. actual_phy_idx = phy_index;
  6810. if (phy_config_swapped) {
  6811. if (phy_index == EXT_PHY1)
  6812. actual_phy_idx = EXT_PHY2;
  6813. else if (phy_index == EXT_PHY2)
  6814. actual_phy_idx = EXT_PHY1;
  6815. }
  6816. params->phy[actual_phy_idx].req_flow_ctrl =
  6817. params->req_flow_ctrl[link_cfg_idx];
  6818. params->phy[actual_phy_idx].req_line_speed =
  6819. params->req_line_speed[link_cfg_idx];
  6820. params->phy[actual_phy_idx].speed_cap_mask =
  6821. params->speed_cap_mask[link_cfg_idx];
  6822. params->phy[actual_phy_idx].req_duplex =
  6823. params->req_duplex[link_cfg_idx];
  6824. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  6825. " speed_cap_mask %x\n",
  6826. params->phy[actual_phy_idx].req_flow_ctrl,
  6827. params->phy[actual_phy_idx].req_line_speed,
  6828. params->phy[actual_phy_idx].speed_cap_mask);
  6829. }
  6830. }
  6831. u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  6832. {
  6833. struct bnx2x *bp = params->bp;
  6834. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  6835. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  6836. params->req_line_speed[0], params->req_flow_ctrl[0]);
  6837. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  6838. params->req_line_speed[1], params->req_flow_ctrl[1]);
  6839. vars->link_status = 0;
  6840. vars->phy_link_up = 0;
  6841. vars->link_up = 0;
  6842. vars->line_speed = 0;
  6843. vars->duplex = DUPLEX_FULL;
  6844. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6845. vars->mac_type = MAC_TYPE_NONE;
  6846. vars->phy_flags = 0;
  6847. /* disable attentions */
  6848. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  6849. (NIG_MASK_XGXS0_LINK_STATUS |
  6850. NIG_MASK_XGXS0_LINK10G |
  6851. NIG_MASK_SERDES0_LINK_STATUS |
  6852. NIG_MASK_MI_INT));
  6853. bnx2x_emac_init(params, vars);
  6854. if (params->num_phys == 0) {
  6855. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  6856. return -EINVAL;
  6857. }
  6858. set_phy_vars(params);
  6859. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  6860. if (params->loopback_mode == LOOPBACK_BMAC) {
  6861. vars->link_up = 1;
  6862. vars->line_speed = SPEED_10000;
  6863. vars->duplex = DUPLEX_FULL;
  6864. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6865. vars->mac_type = MAC_TYPE_BMAC;
  6866. vars->phy_flags = PHY_XGXS_FLAG;
  6867. bnx2x_xgxs_deassert(params);
  6868. /* set bmac loopback */
  6869. bnx2x_bmac_enable(params, vars, 1);
  6870. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6871. } else if (params->loopback_mode == LOOPBACK_EMAC) {
  6872. vars->link_up = 1;
  6873. vars->line_speed = SPEED_1000;
  6874. vars->duplex = DUPLEX_FULL;
  6875. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6876. vars->mac_type = MAC_TYPE_EMAC;
  6877. vars->phy_flags = PHY_XGXS_FLAG;
  6878. bnx2x_xgxs_deassert(params);
  6879. /* set bmac loopback */
  6880. bnx2x_emac_enable(params, vars, 1);
  6881. bnx2x_emac_program(params, vars);
  6882. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6883. } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
  6884. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  6885. vars->link_up = 1;
  6886. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6887. vars->duplex = DUPLEX_FULL;
  6888. if (params->req_line_speed[0] == SPEED_1000) {
  6889. vars->line_speed = SPEED_1000;
  6890. vars->mac_type = MAC_TYPE_EMAC;
  6891. } else {
  6892. vars->line_speed = SPEED_10000;
  6893. vars->mac_type = MAC_TYPE_BMAC;
  6894. }
  6895. bnx2x_xgxs_deassert(params);
  6896. bnx2x_link_initialize(params, vars);
  6897. if (params->req_line_speed[0] == SPEED_1000) {
  6898. bnx2x_emac_program(params, vars);
  6899. bnx2x_emac_enable(params, vars, 0);
  6900. } else
  6901. bnx2x_bmac_enable(params, vars, 0);
  6902. if (params->loopback_mode == LOOPBACK_XGXS) {
  6903. /* set 10G XGXS loopback */
  6904. params->phy[INT_PHY].config_loopback(
  6905. &params->phy[INT_PHY],
  6906. params);
  6907. } else {
  6908. /* set external phy loopback */
  6909. u8 phy_index;
  6910. for (phy_index = EXT_PHY1;
  6911. phy_index < params->num_phys; phy_index++) {
  6912. if (params->phy[phy_index].config_loopback)
  6913. params->phy[phy_index].config_loopback(
  6914. &params->phy[phy_index],
  6915. params);
  6916. }
  6917. }
  6918. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6919. bnx2x_set_led(params, vars,
  6920. LED_MODE_OPER, vars->line_speed);
  6921. } else
  6922. /* No loopback */
  6923. {
  6924. if (params->switch_cfg == SWITCH_CFG_10G)
  6925. bnx2x_xgxs_deassert(params);
  6926. else
  6927. bnx2x_serdes_deassert(bp, params->port);
  6928. bnx2x_link_initialize(params, vars);
  6929. msleep(30);
  6930. bnx2x_link_int_enable(params);
  6931. }
  6932. return 0;
  6933. }
  6934. u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  6935. u8 reset_ext_phy)
  6936. {
  6937. struct bnx2x *bp = params->bp;
  6938. u8 phy_index, port = params->port, clear_latch_ind = 0;
  6939. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  6940. /* disable attentions */
  6941. vars->link_status = 0;
  6942. bnx2x_update_mng(params, vars->link_status);
  6943. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  6944. (NIG_MASK_XGXS0_LINK_STATUS |
  6945. NIG_MASK_XGXS0_LINK10G |
  6946. NIG_MASK_SERDES0_LINK_STATUS |
  6947. NIG_MASK_MI_INT));
  6948. /* activate nig drain */
  6949. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  6950. /* disable nig egress interface */
  6951. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6952. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6953. /* Stop BigMac rx */
  6954. bnx2x_bmac_rx_disable(bp, port);
  6955. /* disable emac */
  6956. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6957. msleep(10);
  6958. /* The PHY reset is controlled by GPIO 1
  6959. * Hold it as vars low
  6960. */
  6961. /* clear link led */
  6962. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  6963. if (reset_ext_phy) {
  6964. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6965. phy_index++) {
  6966. if (params->phy[phy_index].link_reset)
  6967. params->phy[phy_index].link_reset(
  6968. &params->phy[phy_index],
  6969. params);
  6970. if (params->phy[phy_index].flags &
  6971. FLAGS_REARM_LATCH_SIGNAL)
  6972. clear_latch_ind = 1;
  6973. }
  6974. }
  6975. if (clear_latch_ind) {
  6976. /* Clear latching indication */
  6977. bnx2x_rearm_latch_signal(bp, port, 0);
  6978. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  6979. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  6980. }
  6981. if (params->phy[INT_PHY].link_reset)
  6982. params->phy[INT_PHY].link_reset(
  6983. &params->phy[INT_PHY], params);
  6984. /* reset BigMac */
  6985. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  6986. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  6987. /* disable nig ingress interface */
  6988. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  6989. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  6990. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6991. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6992. vars->link_up = 0;
  6993. return 0;
  6994. }
  6995. /****************************************************************************/
  6996. /* Common function */
  6997. /****************************************************************************/
  6998. static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
  6999. u32 shmem_base_path[],
  7000. u32 shmem2_base_path[], u8 phy_index,
  7001. u32 chip_id)
  7002. {
  7003. struct bnx2x_phy phy[PORT_MAX];
  7004. struct bnx2x_phy *phy_blk[PORT_MAX];
  7005. u16 val;
  7006. s8 port = 0;
  7007. s8 port_of_path = 0;
  7008. u32 swap_val, swap_override;
  7009. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7010. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7011. port ^= (swap_val && swap_override);
  7012. bnx2x_ext_phy_hw_reset(bp, port);
  7013. /* PART1 - Reset both phys */
  7014. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7015. u32 shmem_base, shmem2_base;
  7016. /* In E2, same phy is using for port0 of the two paths */
  7017. if (CHIP_IS_E2(bp)) {
  7018. shmem_base = shmem_base_path[port];
  7019. shmem2_base = shmem2_base_path[port];
  7020. port_of_path = 0;
  7021. } else {
  7022. shmem_base = shmem_base_path[0];
  7023. shmem2_base = shmem2_base_path[0];
  7024. port_of_path = port;
  7025. }
  7026. /* Extract the ext phy address for the port */
  7027. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7028. port_of_path, &phy[port]) !=
  7029. 0) {
  7030. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  7031. return -EINVAL;
  7032. }
  7033. /* disable attentions */
  7034. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7035. port_of_path*4,
  7036. (NIG_MASK_XGXS0_LINK_STATUS |
  7037. NIG_MASK_XGXS0_LINK10G |
  7038. NIG_MASK_SERDES0_LINK_STATUS |
  7039. NIG_MASK_MI_INT));
  7040. /* Need to take the phy out of low power mode in order
  7041. to write to access its registers */
  7042. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7043. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7044. port);
  7045. /* Reset the phy */
  7046. bnx2x_cl45_write(bp, &phy[port],
  7047. MDIO_PMA_DEVAD,
  7048. MDIO_PMA_REG_CTRL,
  7049. 1<<15);
  7050. }
  7051. /* Add delay of 150ms after reset */
  7052. msleep(150);
  7053. if (phy[PORT_0].addr & 0x1) {
  7054. phy_blk[PORT_0] = &(phy[PORT_1]);
  7055. phy_blk[PORT_1] = &(phy[PORT_0]);
  7056. } else {
  7057. phy_blk[PORT_0] = &(phy[PORT_0]);
  7058. phy_blk[PORT_1] = &(phy[PORT_1]);
  7059. }
  7060. /* PART2 - Download firmware to both phys */
  7061. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7062. if (CHIP_IS_E2(bp))
  7063. port_of_path = 0;
  7064. else
  7065. port_of_path = port;
  7066. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7067. phy_blk[port]->addr);
  7068. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7069. port_of_path))
  7070. return -EINVAL;
  7071. /* Only set bit 10 = 1 (Tx power down) */
  7072. bnx2x_cl45_read(bp, phy_blk[port],
  7073. MDIO_PMA_DEVAD,
  7074. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7075. /* Phase1 of TX_POWER_DOWN reset */
  7076. bnx2x_cl45_write(bp, phy_blk[port],
  7077. MDIO_PMA_DEVAD,
  7078. MDIO_PMA_REG_TX_POWER_DOWN,
  7079. (val | 1<<10));
  7080. }
  7081. /*
  7082. * Toggle Transmitter: Power down and then up with 600ms delay
  7083. * between
  7084. */
  7085. msleep(600);
  7086. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7087. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7088. /* Phase2 of POWER_DOWN_RESET */
  7089. /* Release bit 10 (Release Tx power down) */
  7090. bnx2x_cl45_read(bp, phy_blk[port],
  7091. MDIO_PMA_DEVAD,
  7092. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7093. bnx2x_cl45_write(bp, phy_blk[port],
  7094. MDIO_PMA_DEVAD,
  7095. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7096. msleep(15);
  7097. /* Read modify write the SPI-ROM version select register */
  7098. bnx2x_cl45_read(bp, phy_blk[port],
  7099. MDIO_PMA_DEVAD,
  7100. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7101. bnx2x_cl45_write(bp, phy_blk[port],
  7102. MDIO_PMA_DEVAD,
  7103. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7104. /* set GPIO2 back to LOW */
  7105. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7106. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7107. }
  7108. return 0;
  7109. }
  7110. static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7111. u32 shmem_base_path[],
  7112. u32 shmem2_base_path[], u8 phy_index,
  7113. u32 chip_id)
  7114. {
  7115. u32 val;
  7116. s8 port;
  7117. struct bnx2x_phy phy;
  7118. /* Use port1 because of the static port-swap */
  7119. /* Enable the module detection interrupt */
  7120. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7121. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7122. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7123. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7124. bnx2x_ext_phy_hw_reset(bp, 0);
  7125. msleep(5);
  7126. for (port = 0; port < PORT_MAX; port++) {
  7127. u32 shmem_base, shmem2_base;
  7128. /* In E2, same phy is using for port0 of the two paths */
  7129. if (CHIP_IS_E2(bp)) {
  7130. shmem_base = shmem_base_path[port];
  7131. shmem2_base = shmem2_base_path[port];
  7132. } else {
  7133. shmem_base = shmem_base_path[0];
  7134. shmem2_base = shmem2_base_path[0];
  7135. }
  7136. /* Extract the ext phy address for the port */
  7137. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7138. port, &phy) !=
  7139. 0) {
  7140. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7141. return -EINVAL;
  7142. }
  7143. /* Reset phy*/
  7144. bnx2x_cl45_write(bp, &phy,
  7145. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7146. /* Set fault module detected LED on */
  7147. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7148. MISC_REGISTERS_GPIO_HIGH,
  7149. port);
  7150. }
  7151. return 0;
  7152. }
  7153. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7154. u8 *io_gpio, u8 *io_port)
  7155. {
  7156. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7157. offsetof(struct shmem_region,
  7158. dev_info.port_hw_config[PORT_0].default_cfg));
  7159. switch (phy_gpio_reset) {
  7160. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7161. *io_gpio = 0;
  7162. *io_port = 0;
  7163. break;
  7164. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7165. *io_gpio = 1;
  7166. *io_port = 0;
  7167. break;
  7168. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7169. *io_gpio = 2;
  7170. *io_port = 0;
  7171. break;
  7172. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7173. *io_gpio = 3;
  7174. *io_port = 0;
  7175. break;
  7176. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7177. *io_gpio = 0;
  7178. *io_port = 1;
  7179. break;
  7180. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7181. *io_gpio = 1;
  7182. *io_port = 1;
  7183. break;
  7184. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7185. *io_gpio = 2;
  7186. *io_port = 1;
  7187. break;
  7188. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7189. *io_gpio = 3;
  7190. *io_port = 1;
  7191. break;
  7192. default:
  7193. /* Don't override the io_gpio and io_port */
  7194. break;
  7195. }
  7196. }
  7197. static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7198. u32 shmem_base_path[],
  7199. u32 shmem2_base_path[], u8 phy_index,
  7200. u32 chip_id)
  7201. {
  7202. s8 port, reset_gpio;
  7203. u32 swap_val, swap_override;
  7204. struct bnx2x_phy phy[PORT_MAX];
  7205. struct bnx2x_phy *phy_blk[PORT_MAX];
  7206. s8 port_of_path;
  7207. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7208. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7209. reset_gpio = MISC_REGISTERS_GPIO_1;
  7210. port = 1;
  7211. /*
  7212. * Retrieve the reset gpio/port which control the reset.
  7213. * Default is GPIO1, PORT1
  7214. */
  7215. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7216. (u8 *)&reset_gpio, (u8 *)&port);
  7217. /* Calculate the port based on port swap */
  7218. port ^= (swap_val && swap_override);
  7219. /* Initiate PHY reset*/
  7220. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7221. port);
  7222. msleep(1);
  7223. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7224. port);
  7225. msleep(5);
  7226. /* PART1 - Reset both phys */
  7227. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7228. u32 shmem_base, shmem2_base;
  7229. /* In E2, same phy is using for port0 of the two paths */
  7230. if (CHIP_IS_E2(bp)) {
  7231. shmem_base = shmem_base_path[port];
  7232. shmem2_base = shmem2_base_path[port];
  7233. port_of_path = 0;
  7234. } else {
  7235. shmem_base = shmem_base_path[0];
  7236. shmem2_base = shmem2_base_path[0];
  7237. port_of_path = port;
  7238. }
  7239. /* Extract the ext phy address for the port */
  7240. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7241. port_of_path, &phy[port]) !=
  7242. 0) {
  7243. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7244. return -EINVAL;
  7245. }
  7246. /* disable attentions */
  7247. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7248. port_of_path*4,
  7249. (NIG_MASK_XGXS0_LINK_STATUS |
  7250. NIG_MASK_XGXS0_LINK10G |
  7251. NIG_MASK_SERDES0_LINK_STATUS |
  7252. NIG_MASK_MI_INT));
  7253. /* Reset the phy */
  7254. bnx2x_cl45_write(bp, &phy[port],
  7255. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7256. }
  7257. /* Add delay of 150ms after reset */
  7258. msleep(150);
  7259. if (phy[PORT_0].addr & 0x1) {
  7260. phy_blk[PORT_0] = &(phy[PORT_1]);
  7261. phy_blk[PORT_1] = &(phy[PORT_0]);
  7262. } else {
  7263. phy_blk[PORT_0] = &(phy[PORT_0]);
  7264. phy_blk[PORT_1] = &(phy[PORT_1]);
  7265. }
  7266. /* PART2 - Download firmware to both phys */
  7267. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7268. if (CHIP_IS_E2(bp))
  7269. port_of_path = 0;
  7270. else
  7271. port_of_path = port;
  7272. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7273. phy_blk[port]->addr);
  7274. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7275. port_of_path))
  7276. return -EINVAL;
  7277. }
  7278. return 0;
  7279. }
  7280. static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7281. u32 shmem2_base_path[], u8 phy_index,
  7282. u32 ext_phy_type, u32 chip_id)
  7283. {
  7284. u8 rc = 0;
  7285. switch (ext_phy_type) {
  7286. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7287. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7288. shmem2_base_path,
  7289. phy_index, chip_id);
  7290. break;
  7291. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7292. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7293. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7294. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7295. shmem2_base_path,
  7296. phy_index, chip_id);
  7297. break;
  7298. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7299. /*
  7300. * GPIO1 affects both ports, so there's need to pull
  7301. * it for single port alone
  7302. */
  7303. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7304. shmem2_base_path,
  7305. phy_index, chip_id);
  7306. break;
  7307. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7308. rc = -EINVAL;
  7309. break;
  7310. default:
  7311. DP(NETIF_MSG_LINK,
  7312. "ext_phy 0x%x common init not required\n",
  7313. ext_phy_type);
  7314. break;
  7315. }
  7316. if (rc != 0)
  7317. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7318. " Port %d\n",
  7319. 0);
  7320. return rc;
  7321. }
  7322. u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7323. u32 shmem2_base_path[], u32 chip_id)
  7324. {
  7325. u8 rc = 0;
  7326. u32 phy_ver;
  7327. u8 phy_index;
  7328. u32 ext_phy_type, ext_phy_config;
  7329. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7330. /* Check if common init was already done */
  7331. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7332. offsetof(struct shmem_region,
  7333. port_mb[PORT_0].ext_phy_fw_version));
  7334. if (phy_ver) {
  7335. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7336. phy_ver);
  7337. return 0;
  7338. }
  7339. /* Read the ext_phy_type for arbitrary port(0) */
  7340. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7341. phy_index++) {
  7342. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7343. shmem_base_path[0],
  7344. phy_index, 0);
  7345. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7346. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7347. shmem2_base_path,
  7348. phy_index, ext_phy_type,
  7349. chip_id);
  7350. }
  7351. return rc;
  7352. }
  7353. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7354. {
  7355. u8 phy_index;
  7356. struct bnx2x_phy phy;
  7357. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7358. phy_index++) {
  7359. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7360. 0, &phy) != 0) {
  7361. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7362. return 0;
  7363. }
  7364. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7365. return 1;
  7366. }
  7367. return 0;
  7368. }
  7369. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7370. u32 shmem_base,
  7371. u32 shmem2_base,
  7372. u8 port)
  7373. {
  7374. u8 phy_index, fan_failure_det_req = 0;
  7375. struct bnx2x_phy phy;
  7376. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7377. phy_index++) {
  7378. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7379. port, &phy)
  7380. != 0) {
  7381. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7382. return 0;
  7383. }
  7384. fan_failure_det_req |= (phy.flags &
  7385. FLAGS_FAN_FAILURE_DET_REQ);
  7386. }
  7387. return fan_failure_det_req;
  7388. }
  7389. void bnx2x_hw_reset_phy(struct link_params *params)
  7390. {
  7391. u8 phy_index;
  7392. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7393. phy_index++) {
  7394. if (params->phy[phy_index].hw_reset) {
  7395. params->phy[phy_index].hw_reset(
  7396. &params->phy[phy_index],
  7397. params);
  7398. params->phy[phy_index] = phy_null;
  7399. }
  7400. }
  7401. }