bnx2x_link.c 233 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. /********************************************************/
  26. #define ETH_HLEN 14
  27. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  28. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  29. #define ETH_MIN_PACKET_SIZE 60
  30. #define ETH_MAX_PACKET_SIZE 1500
  31. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  32. #define MDIO_ACCESS_TIMEOUT 1000
  33. #define BMAC_CONTROL_RX_ENABLE 2
  34. /***********************************************************/
  35. /* Shortcut definitions */
  36. /***********************************************************/
  37. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  38. #define NIG_STATUS_EMAC0_MI_INT \
  39. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  40. #define NIG_STATUS_XGXS0_LINK10G \
  41. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  42. #define NIG_STATUS_XGXS0_LINK_STATUS \
  43. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  44. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  45. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  46. #define NIG_STATUS_SERDES0_LINK_STATUS \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  48. #define NIG_MASK_MI_INT \
  49. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  50. #define NIG_MASK_XGXS0_LINK10G \
  51. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  52. #define NIG_MASK_XGXS0_LINK_STATUS \
  53. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  54. #define NIG_MASK_SERDES0_LINK_STATUS \
  55. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  56. #define MDIO_AN_CL73_OR_37_COMPLETE \
  57. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  58. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  59. #define XGXS_RESET_BITS \
  60. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  61. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  62. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  63. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  64. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  65. #define SERDES_RESET_BITS \
  66. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  67. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  68. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  70. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  71. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  72. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  73. #define AUTONEG_PARALLEL \
  74. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  75. #define AUTONEG_SGMII_FIBER_AUTODET \
  76. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  77. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  78. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  79. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  80. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  81. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  82. #define GP_STATUS_SPEED_MASK \
  83. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  84. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  85. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  86. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  87. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  88. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  89. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  90. #define GP_STATUS_10G_HIG \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  92. #define GP_STATUS_10G_CX4 \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  94. #define GP_STATUS_12G_HIG \
  95. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
  96. #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
  97. #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
  98. #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
  99. #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
  100. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  101. #define GP_STATUS_10G_KX4 \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  103. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  104. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  105. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  106. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  107. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  108. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  109. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  110. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  111. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  112. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  113. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  114. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  115. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  116. #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
  117. #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
  118. #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
  119. #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
  120. #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
  121. #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
  122. #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
  123. #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
  124. #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
  125. #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
  126. #define PHY_XGXS_FLAG 0x1
  127. #define PHY_SGMII_FLAG 0x2
  128. #define PHY_SERDES_FLAG 0x4
  129. /* */
  130. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  131. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  132. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  133. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  134. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  135. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  136. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  137. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  138. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  139. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  140. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  141. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  142. #define SFP_EEPROM_OPTIONS_SIZE 2
  143. #define EDC_MODE_LINEAR 0x0022
  144. #define EDC_MODE_LIMITING 0x0044
  145. #define EDC_MODE_PASSIVE_DAC 0x0055
  146. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  147. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  148. /**********************************************************/
  149. /* INTERFACE */
  150. /**********************************************************/
  151. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  152. bnx2x_cl45_write(_bp, _phy, \
  153. (_phy)->def_md_devad, \
  154. (_bank + (_addr & 0xf)), \
  155. _val)
  156. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  157. bnx2x_cl45_read(_bp, _phy, \
  158. (_phy)->def_md_devad, \
  159. (_bank + (_addr & 0xf)), \
  160. _val)
  161. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  162. {
  163. u32 val = REG_RD(bp, reg);
  164. val |= bits;
  165. REG_WR(bp, reg, val);
  166. return val;
  167. }
  168. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  169. {
  170. u32 val = REG_RD(bp, reg);
  171. val &= ~bits;
  172. REG_WR(bp, reg, val);
  173. return val;
  174. }
  175. /******************************************************************/
  176. /* ETS section */
  177. /******************************************************************/
  178. void bnx2x_ets_disabled(struct link_params *params)
  179. {
  180. /* ETS disabled configuration*/
  181. struct bnx2x *bp = params->bp;
  182. DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
  183. /*
  184. * mapping between entry priority to client number (0,1,2 -debug and
  185. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  186. * 3bits client num.
  187. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  188. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  189. */
  190. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  191. /*
  192. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  193. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  194. * COS0 entry, 4 - COS1 entry.
  195. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  196. * bit4 bit3 bit2 bit1 bit0
  197. * MCP and debug are strict
  198. */
  199. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  200. /* defines which entries (clients) are subjected to WFQ arbitration */
  201. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  202. /*
  203. * For strict priority entries defines the number of consecutive
  204. * slots for the highest priority.
  205. */
  206. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  207. /*
  208. * mapping between the CREDIT_WEIGHT registers and actual client
  209. * numbers
  210. */
  211. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  212. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  213. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  214. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  215. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  216. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  217. /* ETS mode disable */
  218. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  219. /*
  220. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  221. * weight for COS0/COS1.
  222. */
  223. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  224. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  225. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  226. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  227. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  228. /* Defines the number of consecutive slots for the strict priority */
  229. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  230. }
  231. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  232. {
  233. /* ETS disabled configuration */
  234. struct bnx2x *bp = params->bp;
  235. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  236. /*
  237. * defines which entries (clients) are subjected to WFQ arbitration
  238. * COS0 0x8
  239. * COS1 0x10
  240. */
  241. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  242. /*
  243. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  244. * client numbers (WEIGHT_0 does not actually have to represent
  245. * client 0)
  246. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  247. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  248. */
  249. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  250. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  251. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  252. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  253. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  254. /* ETS mode enabled*/
  255. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  256. /* Defines the number of consecutive slots for the strict priority */
  257. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  258. /*
  259. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  260. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  261. * entry, 4 - COS1 entry.
  262. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  263. * bit4 bit3 bit2 bit1 bit0
  264. * MCP and debug are strict
  265. */
  266. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  267. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  268. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  269. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  270. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  271. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  272. }
  273. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  274. const u32 cos1_bw)
  275. {
  276. /* ETS disabled configuration*/
  277. struct bnx2x *bp = params->bp;
  278. const u32 total_bw = cos0_bw + cos1_bw;
  279. u32 cos0_credit_weight = 0;
  280. u32 cos1_credit_weight = 0;
  281. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  282. if ((0 == total_bw) ||
  283. (0 == cos0_bw) ||
  284. (0 == cos1_bw)) {
  285. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  286. return;
  287. }
  288. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  289. total_bw;
  290. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  291. total_bw;
  292. bnx2x_ets_bw_limit_common(params);
  293. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  294. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  295. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  296. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  297. }
  298. u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  299. {
  300. /* ETS disabled configuration*/
  301. struct bnx2x *bp = params->bp;
  302. u32 val = 0;
  303. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  304. /*
  305. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  306. * as strict. Bits 0,1,2 - debug and management entries,
  307. * 3 - COS0 entry, 4 - COS1 entry.
  308. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  309. * bit4 bit3 bit2 bit1 bit0
  310. * MCP and debug are strict
  311. */
  312. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  313. /*
  314. * For strict priority entries defines the number of consecutive slots
  315. * for the highest priority.
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  318. /* ETS mode disable */
  319. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  320. /* Defines the number of consecutive slots for the strict priority */
  321. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  322. /* Defines the number of consecutive slots for the strict priority */
  323. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  324. /*
  325. * mapping between entry priority to client number (0,1,2 -debug and
  326. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  327. * 3bits client num.
  328. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  329. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  330. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  331. */
  332. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  334. return 0;
  335. }
  336. /******************************************************************/
  337. /* ETS section */
  338. /******************************************************************/
  339. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  340. u32 pfc_frames_sent[2],
  341. u32 pfc_frames_received[2])
  342. {
  343. /* Read pfc statistic */
  344. struct bnx2x *bp = params->bp;
  345. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  346. NIG_REG_INGRESS_BMAC0_MEM;
  347. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  348. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  349. pfc_frames_sent, 2);
  350. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  351. pfc_frames_received, 2);
  352. }
  353. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  354. u32 pfc_frames_sent[2],
  355. u32 pfc_frames_received[2])
  356. {
  357. /* Read pfc statistic */
  358. struct bnx2x *bp = params->bp;
  359. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  360. u32 val_xon = 0;
  361. u32 val_xoff = 0;
  362. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  363. /* PFC received frames */
  364. val_xoff = REG_RD(bp, emac_base +
  365. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  366. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  367. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  368. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  369. pfc_frames_received[0] = val_xon + val_xoff;
  370. /* PFC received sent */
  371. val_xoff = REG_RD(bp, emac_base +
  372. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  373. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  374. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  375. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  376. pfc_frames_sent[0] = val_xon + val_xoff;
  377. }
  378. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  379. u32 pfc_frames_sent[2],
  380. u32 pfc_frames_received[2])
  381. {
  382. /* Read pfc statistic */
  383. struct bnx2x *bp = params->bp;
  384. u32 val = 0;
  385. DP(NETIF_MSG_LINK, "pfc statistic\n");
  386. if (!vars->link_up)
  387. return;
  388. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  389. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  390. == 0) {
  391. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  392. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  393. pfc_frames_received);
  394. } else {
  395. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  396. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  397. pfc_frames_received);
  398. }
  399. }
  400. /******************************************************************/
  401. /* MAC/PBF section */
  402. /******************************************************************/
  403. static void bnx2x_emac_init(struct link_params *params,
  404. struct link_vars *vars)
  405. {
  406. /* reset and unreset the emac core */
  407. struct bnx2x *bp = params->bp;
  408. u8 port = params->port;
  409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  410. u32 val;
  411. u16 timeout;
  412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  413. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  414. udelay(5);
  415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  416. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  417. /* init emac - use read-modify-write */
  418. /* self clear reset */
  419. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  420. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  421. timeout = 200;
  422. do {
  423. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  424. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  425. if (!timeout) {
  426. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  427. return;
  428. }
  429. timeout--;
  430. } while (val & EMAC_MODE_RESET);
  431. /* Set mac address */
  432. val = ((params->mac_addr[0] << 8) |
  433. params->mac_addr[1]);
  434. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  435. val = ((params->mac_addr[2] << 24) |
  436. (params->mac_addr[3] << 16) |
  437. (params->mac_addr[4] << 8) |
  438. params->mac_addr[5]);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  440. }
  441. static u8 bnx2x_emac_enable(struct link_params *params,
  442. struct link_vars *vars, u8 lb)
  443. {
  444. struct bnx2x *bp = params->bp;
  445. u8 port = params->port;
  446. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  447. u32 val;
  448. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  449. /* enable emac and not bmac */
  450. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  451. /* 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. * get_emac_base
  1130. *
  1131. * @param cb
  1132. * @param mdc_mdio_access
  1133. * @param port
  1134. *
  1135. * @return u32
  1136. *
  1137. * This function selects the MDC/MDIO access (through emac0 or
  1138. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1139. * phy has a default access mode, which could also be overridden
  1140. * by nvram configuration. This parameter, whether this is the
  1141. * default phy configuration, or the nvram overrun
  1142. * configuration, is passed here as mdc_mdio_access and selects
  1143. * the emac_base for the CL45 read/writes operations
  1144. */
  1145. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1146. u32 mdc_mdio_access, u8 port)
  1147. {
  1148. u32 emac_base = 0;
  1149. switch (mdc_mdio_access) {
  1150. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1151. break;
  1152. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1153. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1154. emac_base = GRCBASE_EMAC1;
  1155. else
  1156. emac_base = GRCBASE_EMAC0;
  1157. break;
  1158. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1159. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1160. emac_base = GRCBASE_EMAC0;
  1161. else
  1162. emac_base = GRCBASE_EMAC1;
  1163. break;
  1164. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1165. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1166. break;
  1167. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1168. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1169. break;
  1170. default:
  1171. break;
  1172. }
  1173. return emac_base;
  1174. }
  1175. /******************************************************************/
  1176. /* CL45 access functions */
  1177. /******************************************************************/
  1178. static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1179. u8 devad, u16 reg, u16 val)
  1180. {
  1181. u32 tmp, saved_mode;
  1182. u8 i, rc = 0;
  1183. /*
  1184. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1185. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1186. */
  1187. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1188. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1189. EMAC_MDIO_MODE_CLOCK_CNT);
  1190. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1191. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1192. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1193. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1194. udelay(40);
  1195. /* address */
  1196. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1197. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1198. EMAC_MDIO_COMM_START_BUSY);
  1199. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1200. for (i = 0; i < 50; i++) {
  1201. udelay(10);
  1202. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1203. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1204. udelay(5);
  1205. break;
  1206. }
  1207. }
  1208. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1209. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1210. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1211. rc = -EFAULT;
  1212. } else {
  1213. /* data */
  1214. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1215. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1216. EMAC_MDIO_COMM_START_BUSY);
  1217. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1218. for (i = 0; i < 50; i++) {
  1219. udelay(10);
  1220. tmp = REG_RD(bp, phy->mdio_ctrl +
  1221. EMAC_REG_EMAC_MDIO_COMM);
  1222. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1223. udelay(5);
  1224. break;
  1225. }
  1226. }
  1227. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1228. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1229. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1230. rc = -EFAULT;
  1231. }
  1232. }
  1233. /* Restore the saved mode */
  1234. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1235. return rc;
  1236. }
  1237. static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1238. u8 devad, u16 reg, u16 *ret_val)
  1239. {
  1240. u32 val, saved_mode;
  1241. u16 i;
  1242. u8 rc = 0;
  1243. /*
  1244. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1245. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1246. */
  1247. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1248. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1249. EMAC_MDIO_MODE_CLOCK_CNT));
  1250. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1251. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1252. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1253. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1254. udelay(40);
  1255. /* address */
  1256. val = ((phy->addr << 21) | (devad << 16) | reg |
  1257. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1258. EMAC_MDIO_COMM_START_BUSY);
  1259. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1260. for (i = 0; i < 50; i++) {
  1261. udelay(10);
  1262. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1263. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1264. udelay(5);
  1265. break;
  1266. }
  1267. }
  1268. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1269. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1270. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1271. *ret_val = 0;
  1272. rc = -EFAULT;
  1273. } else {
  1274. /* data */
  1275. val = ((phy->addr << 21) | (devad << 16) |
  1276. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1277. EMAC_MDIO_COMM_START_BUSY);
  1278. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1279. for (i = 0; i < 50; i++) {
  1280. udelay(10);
  1281. val = REG_RD(bp, phy->mdio_ctrl +
  1282. EMAC_REG_EMAC_MDIO_COMM);
  1283. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1284. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1285. break;
  1286. }
  1287. }
  1288. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1289. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1290. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1291. *ret_val = 0;
  1292. rc = -EFAULT;
  1293. }
  1294. }
  1295. /* Restore the saved mode */
  1296. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1297. return rc;
  1298. }
  1299. u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1300. u8 devad, u16 reg, u16 *ret_val)
  1301. {
  1302. u8 phy_index;
  1303. /*
  1304. * Probe for the phy according to the given phy_addr, and execute
  1305. * the read request on it
  1306. */
  1307. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1308. if (params->phy[phy_index].addr == phy_addr) {
  1309. return bnx2x_cl45_read(params->bp,
  1310. &params->phy[phy_index], devad,
  1311. reg, ret_val);
  1312. }
  1313. }
  1314. return -EINVAL;
  1315. }
  1316. u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1317. u8 devad, u16 reg, u16 val)
  1318. {
  1319. u8 phy_index;
  1320. /*
  1321. * Probe for the phy according to the given phy_addr, and execute
  1322. * the write request on it
  1323. */
  1324. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1325. if (params->phy[phy_index].addr == phy_addr) {
  1326. return bnx2x_cl45_write(params->bp,
  1327. &params->phy[phy_index], devad,
  1328. reg, val);
  1329. }
  1330. }
  1331. return -EINVAL;
  1332. }
  1333. static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
  1334. struct bnx2x_phy *phy)
  1335. {
  1336. u32 ser_lane;
  1337. u16 offset, aer_val;
  1338. struct bnx2x *bp = params->bp;
  1339. ser_lane = ((params->lane_config &
  1340. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1341. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1342. offset = phy->addr + ser_lane;
  1343. if (CHIP_IS_E2(bp))
  1344. aer_val = 0x3800 + offset - 1;
  1345. else
  1346. aer_val = 0x3800 + offset;
  1347. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1348. MDIO_AER_BLOCK_AER_REG, aer_val);
  1349. }
  1350. static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
  1351. struct bnx2x_phy *phy)
  1352. {
  1353. CL22_WR_OVER_CL45(bp, phy,
  1354. MDIO_REG_BANK_AER_BLOCK,
  1355. MDIO_AER_BLOCK_AER_REG, 0x3800);
  1356. }
  1357. /******************************************************************/
  1358. /* Internal phy section */
  1359. /******************************************************************/
  1360. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1361. {
  1362. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1363. /* Set Clause 22 */
  1364. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1365. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1366. udelay(500);
  1367. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1368. udelay(500);
  1369. /* Set Clause 45 */
  1370. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1371. }
  1372. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1373. {
  1374. u32 val;
  1375. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1376. val = SERDES_RESET_BITS << (port*16);
  1377. /* reset and unreset the SerDes/XGXS */
  1378. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1379. udelay(500);
  1380. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1381. bnx2x_set_serdes_access(bp, port);
  1382. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1383. DEFAULT_PHY_DEV_ADDR);
  1384. }
  1385. static void bnx2x_xgxs_deassert(struct link_params *params)
  1386. {
  1387. struct bnx2x *bp = params->bp;
  1388. u8 port;
  1389. u32 val;
  1390. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1391. port = params->port;
  1392. val = XGXS_RESET_BITS << (port*16);
  1393. /* reset and unreset the SerDes/XGXS */
  1394. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1395. udelay(500);
  1396. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1397. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1398. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1399. params->phy[INT_PHY].def_md_devad);
  1400. }
  1401. void bnx2x_link_status_update(struct link_params *params,
  1402. struct link_vars *vars)
  1403. {
  1404. struct bnx2x *bp = params->bp;
  1405. u8 link_10g;
  1406. u8 port = params->port;
  1407. vars->link_status = REG_RD(bp, params->shmem_base +
  1408. offsetof(struct shmem_region,
  1409. port_mb[port].link_status));
  1410. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1411. if (vars->link_up) {
  1412. DP(NETIF_MSG_LINK, "phy link up\n");
  1413. vars->phy_link_up = 1;
  1414. vars->duplex = DUPLEX_FULL;
  1415. switch (vars->link_status &
  1416. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1417. case LINK_10THD:
  1418. vars->duplex = DUPLEX_HALF;
  1419. /* fall thru */
  1420. case LINK_10TFD:
  1421. vars->line_speed = SPEED_10;
  1422. break;
  1423. case LINK_100TXHD:
  1424. vars->duplex = DUPLEX_HALF;
  1425. /* fall thru */
  1426. case LINK_100T4:
  1427. case LINK_100TXFD:
  1428. vars->line_speed = SPEED_100;
  1429. break;
  1430. case LINK_1000THD:
  1431. vars->duplex = DUPLEX_HALF;
  1432. /* fall thru */
  1433. case LINK_1000TFD:
  1434. vars->line_speed = SPEED_1000;
  1435. break;
  1436. case LINK_2500THD:
  1437. vars->duplex = DUPLEX_HALF;
  1438. /* fall thru */
  1439. case LINK_2500TFD:
  1440. vars->line_speed = SPEED_2500;
  1441. break;
  1442. case LINK_10GTFD:
  1443. vars->line_speed = SPEED_10000;
  1444. break;
  1445. case LINK_12GTFD:
  1446. vars->line_speed = SPEED_12000;
  1447. break;
  1448. case LINK_12_5GTFD:
  1449. vars->line_speed = SPEED_12500;
  1450. break;
  1451. case LINK_13GTFD:
  1452. vars->line_speed = SPEED_13000;
  1453. break;
  1454. case LINK_15GTFD:
  1455. vars->line_speed = SPEED_15000;
  1456. break;
  1457. case LINK_16GTFD:
  1458. vars->line_speed = SPEED_16000;
  1459. break;
  1460. default:
  1461. break;
  1462. }
  1463. vars->flow_ctrl = 0;
  1464. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1465. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1466. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1467. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1468. if (!vars->flow_ctrl)
  1469. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1470. if (vars->line_speed &&
  1471. ((vars->line_speed == SPEED_10) ||
  1472. (vars->line_speed == SPEED_100))) {
  1473. vars->phy_flags |= PHY_SGMII_FLAG;
  1474. } else {
  1475. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1476. }
  1477. /* anything 10 and over uses the bmac */
  1478. link_10g = ((vars->line_speed == SPEED_10000) ||
  1479. (vars->line_speed == SPEED_12000) ||
  1480. (vars->line_speed == SPEED_12500) ||
  1481. (vars->line_speed == SPEED_13000) ||
  1482. (vars->line_speed == SPEED_15000) ||
  1483. (vars->line_speed == SPEED_16000));
  1484. if (link_10g)
  1485. vars->mac_type = MAC_TYPE_BMAC;
  1486. else
  1487. vars->mac_type = MAC_TYPE_EMAC;
  1488. } else { /* link down */
  1489. DP(NETIF_MSG_LINK, "phy link down\n");
  1490. vars->phy_link_up = 0;
  1491. vars->line_speed = 0;
  1492. vars->duplex = DUPLEX_FULL;
  1493. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1494. /* indicate no mac active */
  1495. vars->mac_type = MAC_TYPE_NONE;
  1496. }
  1497. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
  1498. vars->link_status, vars->phy_link_up);
  1499. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1500. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1501. }
  1502. static void bnx2x_set_master_ln(struct link_params *params,
  1503. struct bnx2x_phy *phy)
  1504. {
  1505. struct bnx2x *bp = params->bp;
  1506. u16 new_master_ln, ser_lane;
  1507. ser_lane = ((params->lane_config &
  1508. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1509. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1510. /* set the master_ln for AN */
  1511. CL22_RD_OVER_CL45(bp, phy,
  1512. MDIO_REG_BANK_XGXS_BLOCK2,
  1513. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1514. &new_master_ln);
  1515. CL22_WR_OVER_CL45(bp, phy,
  1516. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1517. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1518. (new_master_ln | ser_lane));
  1519. }
  1520. static u8 bnx2x_reset_unicore(struct link_params *params,
  1521. struct bnx2x_phy *phy,
  1522. u8 set_serdes)
  1523. {
  1524. struct bnx2x *bp = params->bp;
  1525. u16 mii_control;
  1526. u16 i;
  1527. CL22_RD_OVER_CL45(bp, phy,
  1528. MDIO_REG_BANK_COMBO_IEEE0,
  1529. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1530. /* reset the unicore */
  1531. CL22_WR_OVER_CL45(bp, phy,
  1532. MDIO_REG_BANK_COMBO_IEEE0,
  1533. MDIO_COMBO_IEEE0_MII_CONTROL,
  1534. (mii_control |
  1535. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1536. if (set_serdes)
  1537. bnx2x_set_serdes_access(bp, params->port);
  1538. /* wait for the reset to self clear */
  1539. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1540. udelay(5);
  1541. /* the reset erased the previous bank value */
  1542. CL22_RD_OVER_CL45(bp, phy,
  1543. MDIO_REG_BANK_COMBO_IEEE0,
  1544. MDIO_COMBO_IEEE0_MII_CONTROL,
  1545. &mii_control);
  1546. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1547. udelay(5);
  1548. return 0;
  1549. }
  1550. }
  1551. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1552. " Port %d\n",
  1553. params->port);
  1554. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1555. return -EINVAL;
  1556. }
  1557. static void bnx2x_set_swap_lanes(struct link_params *params,
  1558. struct bnx2x_phy *phy)
  1559. {
  1560. struct bnx2x *bp = params->bp;
  1561. /*
  1562. * Each two bits represents a lane number:
  1563. * No swap is 0123 => 0x1b no need to enable the swap
  1564. */
  1565. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1566. ser_lane = ((params->lane_config &
  1567. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1568. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1569. rx_lane_swap = ((params->lane_config &
  1570. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1571. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1572. tx_lane_swap = ((params->lane_config &
  1573. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1574. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1575. if (rx_lane_swap != 0x1b) {
  1576. CL22_WR_OVER_CL45(bp, phy,
  1577. MDIO_REG_BANK_XGXS_BLOCK2,
  1578. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1579. (rx_lane_swap |
  1580. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1581. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1582. } else {
  1583. CL22_WR_OVER_CL45(bp, phy,
  1584. MDIO_REG_BANK_XGXS_BLOCK2,
  1585. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1586. }
  1587. if (tx_lane_swap != 0x1b) {
  1588. CL22_WR_OVER_CL45(bp, phy,
  1589. MDIO_REG_BANK_XGXS_BLOCK2,
  1590. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1591. (tx_lane_swap |
  1592. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1593. } else {
  1594. CL22_WR_OVER_CL45(bp, phy,
  1595. MDIO_REG_BANK_XGXS_BLOCK2,
  1596. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1597. }
  1598. }
  1599. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1600. struct link_params *params)
  1601. {
  1602. struct bnx2x *bp = params->bp;
  1603. u16 control2;
  1604. CL22_RD_OVER_CL45(bp, phy,
  1605. MDIO_REG_BANK_SERDES_DIGITAL,
  1606. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1607. &control2);
  1608. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1609. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1610. else
  1611. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1612. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1613. phy->speed_cap_mask, control2);
  1614. CL22_WR_OVER_CL45(bp, phy,
  1615. MDIO_REG_BANK_SERDES_DIGITAL,
  1616. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1617. control2);
  1618. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1619. (phy->speed_cap_mask &
  1620. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1621. DP(NETIF_MSG_LINK, "XGXS\n");
  1622. CL22_WR_OVER_CL45(bp, phy,
  1623. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1624. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1625. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1626. CL22_RD_OVER_CL45(bp, phy,
  1627. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1628. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1629. &control2);
  1630. control2 |=
  1631. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1632. CL22_WR_OVER_CL45(bp, phy,
  1633. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1634. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1635. control2);
  1636. /* Disable parallel detection of HiG */
  1637. CL22_WR_OVER_CL45(bp, phy,
  1638. MDIO_REG_BANK_XGXS_BLOCK2,
  1639. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1640. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1641. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1642. }
  1643. }
  1644. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1645. struct link_params *params,
  1646. struct link_vars *vars,
  1647. u8 enable_cl73)
  1648. {
  1649. struct bnx2x *bp = params->bp;
  1650. u16 reg_val;
  1651. /* CL37 Autoneg */
  1652. CL22_RD_OVER_CL45(bp, phy,
  1653. MDIO_REG_BANK_COMBO_IEEE0,
  1654. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1655. /* CL37 Autoneg Enabled */
  1656. if (vars->line_speed == SPEED_AUTO_NEG)
  1657. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1658. else /* CL37 Autoneg Disabled */
  1659. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1660. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1661. CL22_WR_OVER_CL45(bp, phy,
  1662. MDIO_REG_BANK_COMBO_IEEE0,
  1663. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1664. /* Enable/Disable Autodetection */
  1665. CL22_RD_OVER_CL45(bp, phy,
  1666. MDIO_REG_BANK_SERDES_DIGITAL,
  1667. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1668. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1669. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1670. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1671. if (vars->line_speed == SPEED_AUTO_NEG)
  1672. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1673. else
  1674. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1675. CL22_WR_OVER_CL45(bp, phy,
  1676. MDIO_REG_BANK_SERDES_DIGITAL,
  1677. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1678. /* Enable TetonII and BAM autoneg */
  1679. CL22_RD_OVER_CL45(bp, phy,
  1680. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1681. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1682. &reg_val);
  1683. if (vars->line_speed == SPEED_AUTO_NEG) {
  1684. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1685. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1686. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1687. } else {
  1688. /* TetonII and BAM Autoneg Disabled */
  1689. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1690. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1691. }
  1692. CL22_WR_OVER_CL45(bp, phy,
  1693. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1694. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1695. reg_val);
  1696. if (enable_cl73) {
  1697. /* Enable Cl73 FSM status bits */
  1698. CL22_WR_OVER_CL45(bp, phy,
  1699. MDIO_REG_BANK_CL73_USERB0,
  1700. MDIO_CL73_USERB0_CL73_UCTRL,
  1701. 0xe);
  1702. /* Enable BAM Station Manager*/
  1703. CL22_WR_OVER_CL45(bp, phy,
  1704. MDIO_REG_BANK_CL73_USERB0,
  1705. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1706. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1707. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1708. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1709. /* Advertise CL73 link speeds */
  1710. CL22_RD_OVER_CL45(bp, phy,
  1711. MDIO_REG_BANK_CL73_IEEEB1,
  1712. MDIO_CL73_IEEEB1_AN_ADV2,
  1713. &reg_val);
  1714. if (phy->speed_cap_mask &
  1715. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1716. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1717. if (phy->speed_cap_mask &
  1718. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1719. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1720. CL22_WR_OVER_CL45(bp, phy,
  1721. MDIO_REG_BANK_CL73_IEEEB1,
  1722. MDIO_CL73_IEEEB1_AN_ADV2,
  1723. reg_val);
  1724. /* CL73 Autoneg Enabled */
  1725. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1726. } else /* CL73 Autoneg Disabled */
  1727. reg_val = 0;
  1728. CL22_WR_OVER_CL45(bp, phy,
  1729. MDIO_REG_BANK_CL73_IEEEB0,
  1730. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1731. }
  1732. /* program SerDes, forced speed */
  1733. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1734. struct link_params *params,
  1735. struct link_vars *vars)
  1736. {
  1737. struct bnx2x *bp = params->bp;
  1738. u16 reg_val;
  1739. /* program duplex, disable autoneg and sgmii*/
  1740. CL22_RD_OVER_CL45(bp, phy,
  1741. MDIO_REG_BANK_COMBO_IEEE0,
  1742. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1743. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1744. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1745. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1746. if (phy->req_duplex == DUPLEX_FULL)
  1747. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1748. CL22_WR_OVER_CL45(bp, phy,
  1749. MDIO_REG_BANK_COMBO_IEEE0,
  1750. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1751. /*
  1752. * program speed
  1753. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1754. */
  1755. CL22_RD_OVER_CL45(bp, phy,
  1756. MDIO_REG_BANK_SERDES_DIGITAL,
  1757. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1758. /* clearing the speed value before setting the right speed */
  1759. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1760. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1761. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1762. if (!((vars->line_speed == SPEED_1000) ||
  1763. (vars->line_speed == SPEED_100) ||
  1764. (vars->line_speed == SPEED_10))) {
  1765. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1766. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1767. if (vars->line_speed == SPEED_10000)
  1768. reg_val |=
  1769. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1770. if (vars->line_speed == SPEED_13000)
  1771. reg_val |=
  1772. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1773. }
  1774. CL22_WR_OVER_CL45(bp, phy,
  1775. MDIO_REG_BANK_SERDES_DIGITAL,
  1776. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1777. }
  1778. static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
  1779. struct link_params *params)
  1780. {
  1781. struct bnx2x *bp = params->bp;
  1782. u16 val = 0;
  1783. /* configure the 48 bits for BAM AN */
  1784. /* set extended capabilities */
  1785. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1786. val |= MDIO_OVER_1G_UP1_2_5G;
  1787. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1788. val |= MDIO_OVER_1G_UP1_10G;
  1789. CL22_WR_OVER_CL45(bp, phy,
  1790. MDIO_REG_BANK_OVER_1G,
  1791. MDIO_OVER_1G_UP1, val);
  1792. CL22_WR_OVER_CL45(bp, phy,
  1793. MDIO_REG_BANK_OVER_1G,
  1794. MDIO_OVER_1G_UP3, 0x400);
  1795. }
  1796. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1797. struct link_params *params, u16 *ieee_fc)
  1798. {
  1799. struct bnx2x *bp = params->bp;
  1800. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1801. /*
  1802. * Resolve pause mode and advertisement.
  1803. * Please refer to Table 28B-3 of the 802.3ab-1999 spec
  1804. */
  1805. switch (phy->req_flow_ctrl) {
  1806. case BNX2X_FLOW_CTRL_AUTO:
  1807. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1808. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1809. else
  1810. *ieee_fc |=
  1811. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1812. break;
  1813. case BNX2X_FLOW_CTRL_TX:
  1814. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1815. break;
  1816. case BNX2X_FLOW_CTRL_RX:
  1817. case BNX2X_FLOW_CTRL_BOTH:
  1818. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1819. break;
  1820. case BNX2X_FLOW_CTRL_NONE:
  1821. default:
  1822. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1823. break;
  1824. }
  1825. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1826. }
  1827. static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
  1828. struct link_params *params,
  1829. u16 ieee_fc)
  1830. {
  1831. struct bnx2x *bp = params->bp;
  1832. u16 val;
  1833. /* for AN, we are always publishing full duplex */
  1834. CL22_WR_OVER_CL45(bp, phy,
  1835. MDIO_REG_BANK_COMBO_IEEE0,
  1836. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1837. CL22_RD_OVER_CL45(bp, phy,
  1838. MDIO_REG_BANK_CL73_IEEEB1,
  1839. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1840. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1841. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1842. CL22_WR_OVER_CL45(bp, phy,
  1843. MDIO_REG_BANK_CL73_IEEEB1,
  1844. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1845. }
  1846. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1847. struct link_params *params,
  1848. u8 enable_cl73)
  1849. {
  1850. struct bnx2x *bp = params->bp;
  1851. u16 mii_control;
  1852. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1853. /* Enable and restart BAM/CL37 aneg */
  1854. if (enable_cl73) {
  1855. CL22_RD_OVER_CL45(bp, phy,
  1856. MDIO_REG_BANK_CL73_IEEEB0,
  1857. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1858. &mii_control);
  1859. CL22_WR_OVER_CL45(bp, phy,
  1860. MDIO_REG_BANK_CL73_IEEEB0,
  1861. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1862. (mii_control |
  1863. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1864. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1865. } else {
  1866. CL22_RD_OVER_CL45(bp, phy,
  1867. MDIO_REG_BANK_COMBO_IEEE0,
  1868. MDIO_COMBO_IEEE0_MII_CONTROL,
  1869. &mii_control);
  1870. DP(NETIF_MSG_LINK,
  1871. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1872. mii_control);
  1873. CL22_WR_OVER_CL45(bp, phy,
  1874. MDIO_REG_BANK_COMBO_IEEE0,
  1875. MDIO_COMBO_IEEE0_MII_CONTROL,
  1876. (mii_control |
  1877. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1878. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  1879. }
  1880. }
  1881. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  1882. struct link_params *params,
  1883. struct link_vars *vars)
  1884. {
  1885. struct bnx2x *bp = params->bp;
  1886. u16 control1;
  1887. /* in SGMII mode, the unicore is always slave */
  1888. CL22_RD_OVER_CL45(bp, phy,
  1889. MDIO_REG_BANK_SERDES_DIGITAL,
  1890. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1891. &control1);
  1892. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  1893. /* set sgmii mode (and not fiber) */
  1894. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  1895. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  1896. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  1897. CL22_WR_OVER_CL45(bp, phy,
  1898. MDIO_REG_BANK_SERDES_DIGITAL,
  1899. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1900. control1);
  1901. /* if forced speed */
  1902. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  1903. /* set speed, disable autoneg */
  1904. u16 mii_control;
  1905. CL22_RD_OVER_CL45(bp, phy,
  1906. MDIO_REG_BANK_COMBO_IEEE0,
  1907. MDIO_COMBO_IEEE0_MII_CONTROL,
  1908. &mii_control);
  1909. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1910. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  1911. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  1912. switch (vars->line_speed) {
  1913. case SPEED_100:
  1914. mii_control |=
  1915. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  1916. break;
  1917. case SPEED_1000:
  1918. mii_control |=
  1919. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  1920. break;
  1921. case SPEED_10:
  1922. /* there is nothing to set for 10M */
  1923. break;
  1924. default:
  1925. /* invalid speed for SGMII */
  1926. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1927. vars->line_speed);
  1928. break;
  1929. }
  1930. /* setting the full duplex */
  1931. if (phy->req_duplex == DUPLEX_FULL)
  1932. mii_control |=
  1933. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1934. CL22_WR_OVER_CL45(bp, phy,
  1935. MDIO_REG_BANK_COMBO_IEEE0,
  1936. MDIO_COMBO_IEEE0_MII_CONTROL,
  1937. mii_control);
  1938. } else { /* AN mode */
  1939. /* enable and restart AN */
  1940. bnx2x_restart_autoneg(phy, params, 0);
  1941. }
  1942. }
  1943. /*
  1944. * link management
  1945. */
  1946. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1947. { /* LD LP */
  1948. switch (pause_result) { /* ASYM P ASYM P */
  1949. case 0xb: /* 1 0 1 1 */
  1950. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1951. break;
  1952. case 0xe: /* 1 1 1 0 */
  1953. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1954. break;
  1955. case 0x5: /* 0 1 0 1 */
  1956. case 0x7: /* 0 1 1 1 */
  1957. case 0xd: /* 1 1 0 1 */
  1958. case 0xf: /* 1 1 1 1 */
  1959. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1960. break;
  1961. default:
  1962. break;
  1963. }
  1964. if (pause_result & (1<<0))
  1965. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1966. if (pause_result & (1<<1))
  1967. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1968. }
  1969. static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  1970. struct link_params *params)
  1971. {
  1972. struct bnx2x *bp = params->bp;
  1973. u16 pd_10g, status2_1000x;
  1974. if (phy->req_line_speed != SPEED_AUTO_NEG)
  1975. return 0;
  1976. CL22_RD_OVER_CL45(bp, phy,
  1977. MDIO_REG_BANK_SERDES_DIGITAL,
  1978. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1979. &status2_1000x);
  1980. CL22_RD_OVER_CL45(bp, phy,
  1981. MDIO_REG_BANK_SERDES_DIGITAL,
  1982. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1983. &status2_1000x);
  1984. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  1985. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  1986. params->port);
  1987. return 1;
  1988. }
  1989. CL22_RD_OVER_CL45(bp, phy,
  1990. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1991. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  1992. &pd_10g);
  1993. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  1994. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  1995. params->port);
  1996. return 1;
  1997. }
  1998. return 0;
  1999. }
  2000. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2001. struct link_params *params,
  2002. struct link_vars *vars,
  2003. u32 gp_status)
  2004. {
  2005. struct bnx2x *bp = params->bp;
  2006. u16 ld_pause; /* local driver */
  2007. u16 lp_pause; /* link partner */
  2008. u16 pause_result;
  2009. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2010. /* resolve from gp_status in case of AN complete and not sgmii */
  2011. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2012. vars->flow_ctrl = phy->req_flow_ctrl;
  2013. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2014. vars->flow_ctrl = params->req_fc_auto_adv;
  2015. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2016. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2017. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2018. vars->flow_ctrl = params->req_fc_auto_adv;
  2019. return;
  2020. }
  2021. if ((gp_status &
  2022. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2023. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2024. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2025. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2026. CL22_RD_OVER_CL45(bp, phy,
  2027. MDIO_REG_BANK_CL73_IEEEB1,
  2028. MDIO_CL73_IEEEB1_AN_ADV1,
  2029. &ld_pause);
  2030. CL22_RD_OVER_CL45(bp, phy,
  2031. MDIO_REG_BANK_CL73_IEEEB1,
  2032. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2033. &lp_pause);
  2034. pause_result = (ld_pause &
  2035. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2036. >> 8;
  2037. pause_result |= (lp_pause &
  2038. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2039. >> 10;
  2040. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2041. pause_result);
  2042. } else {
  2043. CL22_RD_OVER_CL45(bp, phy,
  2044. MDIO_REG_BANK_COMBO_IEEE0,
  2045. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2046. &ld_pause);
  2047. CL22_RD_OVER_CL45(bp, phy,
  2048. MDIO_REG_BANK_COMBO_IEEE0,
  2049. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2050. &lp_pause);
  2051. pause_result = (ld_pause &
  2052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2053. pause_result |= (lp_pause &
  2054. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2055. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2056. pause_result);
  2057. }
  2058. bnx2x_pause_resolve(vars, pause_result);
  2059. }
  2060. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2061. }
  2062. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2063. struct link_params *params)
  2064. {
  2065. struct bnx2x *bp = params->bp;
  2066. u16 rx_status, ustat_val, cl37_fsm_recieved;
  2067. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2068. /* Step 1: Make sure signal is detected */
  2069. CL22_RD_OVER_CL45(bp, phy,
  2070. MDIO_REG_BANK_RX0,
  2071. MDIO_RX0_RX_STATUS,
  2072. &rx_status);
  2073. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2074. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2075. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2076. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2077. CL22_WR_OVER_CL45(bp, phy,
  2078. MDIO_REG_BANK_CL73_IEEEB0,
  2079. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2080. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2081. return;
  2082. }
  2083. /* Step 2: Check CL73 state machine */
  2084. CL22_RD_OVER_CL45(bp, phy,
  2085. MDIO_REG_BANK_CL73_USERB0,
  2086. MDIO_CL73_USERB0_CL73_USTAT1,
  2087. &ustat_val);
  2088. if ((ustat_val &
  2089. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2090. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2091. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2092. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2093. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2094. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2095. return;
  2096. }
  2097. /*
  2098. * Step 3: Check CL37 Message Pages received to indicate LP
  2099. * supports only CL37
  2100. */
  2101. CL22_RD_OVER_CL45(bp, phy,
  2102. MDIO_REG_BANK_REMOTE_PHY,
  2103. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2104. &cl37_fsm_recieved);
  2105. if ((cl37_fsm_recieved &
  2106. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2107. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2108. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2109. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2110. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2111. "misc_rx_status(0x8330) = 0x%x\n",
  2112. cl37_fsm_recieved);
  2113. return;
  2114. }
  2115. /*
  2116. * The combined cl37/cl73 fsm state information indicating that
  2117. * we are connected to a device which does not support cl73, but
  2118. * does support cl37 BAM. In this case we disable cl73 and
  2119. * restart cl37 auto-neg
  2120. */
  2121. /* Disable CL73 */
  2122. CL22_WR_OVER_CL45(bp, phy,
  2123. MDIO_REG_BANK_CL73_IEEEB0,
  2124. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2125. 0);
  2126. /* Restart CL37 autoneg */
  2127. bnx2x_restart_autoneg(phy, params, 0);
  2128. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2129. }
  2130. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2131. struct link_params *params,
  2132. struct link_vars *vars,
  2133. u32 gp_status)
  2134. {
  2135. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2136. vars->link_status |=
  2137. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2138. if (bnx2x_direct_parallel_detect_used(phy, params))
  2139. vars->link_status |=
  2140. LINK_STATUS_PARALLEL_DETECTION_USED;
  2141. }
  2142. static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2143. struct link_params *params,
  2144. struct link_vars *vars)
  2145. {
  2146. struct bnx2x *bp = params->bp;
  2147. u16 new_line_speed, gp_status;
  2148. u8 rc = 0;
  2149. /* Read gp_status */
  2150. CL22_RD_OVER_CL45(bp, phy,
  2151. MDIO_REG_BANK_GP_STATUS,
  2152. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2153. &gp_status);
  2154. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2155. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2156. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2157. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2158. gp_status);
  2159. vars->phy_link_up = 1;
  2160. vars->link_status |= LINK_STATUS_LINK_UP;
  2161. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2162. vars->duplex = DUPLEX_FULL;
  2163. else
  2164. vars->duplex = DUPLEX_HALF;
  2165. if (SINGLE_MEDIA_DIRECT(params)) {
  2166. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2167. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2168. bnx2x_xgxs_an_resolve(phy, params, vars,
  2169. gp_status);
  2170. }
  2171. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2172. case GP_STATUS_10M:
  2173. new_line_speed = SPEED_10;
  2174. if (vars->duplex == DUPLEX_FULL)
  2175. vars->link_status |= LINK_10TFD;
  2176. else
  2177. vars->link_status |= LINK_10THD;
  2178. break;
  2179. case GP_STATUS_100M:
  2180. new_line_speed = SPEED_100;
  2181. if (vars->duplex == DUPLEX_FULL)
  2182. vars->link_status |= LINK_100TXFD;
  2183. else
  2184. vars->link_status |= LINK_100TXHD;
  2185. break;
  2186. case GP_STATUS_1G:
  2187. case GP_STATUS_1G_KX:
  2188. new_line_speed = SPEED_1000;
  2189. if (vars->duplex == DUPLEX_FULL)
  2190. vars->link_status |= LINK_1000TFD;
  2191. else
  2192. vars->link_status |= LINK_1000THD;
  2193. break;
  2194. case GP_STATUS_2_5G:
  2195. new_line_speed = SPEED_2500;
  2196. if (vars->duplex == DUPLEX_FULL)
  2197. vars->link_status |= LINK_2500TFD;
  2198. else
  2199. vars->link_status |= LINK_2500THD;
  2200. break;
  2201. case GP_STATUS_5G:
  2202. case GP_STATUS_6G:
  2203. DP(NETIF_MSG_LINK,
  2204. "link speed unsupported gp_status 0x%x\n",
  2205. gp_status);
  2206. return -EINVAL;
  2207. case GP_STATUS_10G_KX4:
  2208. case GP_STATUS_10G_HIG:
  2209. case GP_STATUS_10G_CX4:
  2210. new_line_speed = SPEED_10000;
  2211. vars->link_status |= LINK_10GTFD;
  2212. break;
  2213. case GP_STATUS_12G_HIG:
  2214. new_line_speed = SPEED_12000;
  2215. vars->link_status |= LINK_12GTFD;
  2216. break;
  2217. case GP_STATUS_12_5G:
  2218. new_line_speed = SPEED_12500;
  2219. vars->link_status |= LINK_12_5GTFD;
  2220. break;
  2221. case GP_STATUS_13G:
  2222. new_line_speed = SPEED_13000;
  2223. vars->link_status |= LINK_13GTFD;
  2224. break;
  2225. case GP_STATUS_15G:
  2226. new_line_speed = SPEED_15000;
  2227. vars->link_status |= LINK_15GTFD;
  2228. break;
  2229. case GP_STATUS_16G:
  2230. new_line_speed = SPEED_16000;
  2231. vars->link_status |= LINK_16GTFD;
  2232. break;
  2233. default:
  2234. DP(NETIF_MSG_LINK,
  2235. "link speed unsupported gp_status 0x%x\n",
  2236. gp_status);
  2237. return -EINVAL;
  2238. }
  2239. vars->line_speed = new_line_speed;
  2240. } else { /* link_down */
  2241. DP(NETIF_MSG_LINK, "phy link down\n");
  2242. vars->phy_link_up = 0;
  2243. vars->duplex = DUPLEX_FULL;
  2244. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2245. vars->mac_type = MAC_TYPE_NONE;
  2246. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2247. SINGLE_MEDIA_DIRECT(params)) {
  2248. /* Check signal is detected */
  2249. bnx2x_check_fallback_to_cl37(phy, params);
  2250. }
  2251. }
  2252. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2253. gp_status, vars->phy_link_up, vars->line_speed);
  2254. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2255. vars->duplex, vars->flow_ctrl, vars->link_status);
  2256. return rc;
  2257. }
  2258. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2259. {
  2260. struct bnx2x *bp = params->bp;
  2261. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2262. u16 lp_up2;
  2263. u16 tx_driver;
  2264. u16 bank;
  2265. /* read precomp */
  2266. CL22_RD_OVER_CL45(bp, phy,
  2267. MDIO_REG_BANK_OVER_1G,
  2268. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2269. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2270. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2271. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2272. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2273. if (lp_up2 == 0)
  2274. return;
  2275. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2276. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2277. CL22_RD_OVER_CL45(bp, phy,
  2278. bank,
  2279. MDIO_TX0_TX_DRIVER, &tx_driver);
  2280. /* replace tx_driver bits [15:12] */
  2281. if (lp_up2 !=
  2282. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2283. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2284. tx_driver |= lp_up2;
  2285. CL22_WR_OVER_CL45(bp, phy,
  2286. bank,
  2287. MDIO_TX0_TX_DRIVER, tx_driver);
  2288. }
  2289. }
  2290. }
  2291. static u8 bnx2x_emac_program(struct link_params *params,
  2292. struct link_vars *vars)
  2293. {
  2294. struct bnx2x *bp = params->bp;
  2295. u8 port = params->port;
  2296. u16 mode = 0;
  2297. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2298. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2299. EMAC_REG_EMAC_MODE,
  2300. (EMAC_MODE_25G_MODE |
  2301. EMAC_MODE_PORT_MII_10M |
  2302. EMAC_MODE_HALF_DUPLEX));
  2303. switch (vars->line_speed) {
  2304. case SPEED_10:
  2305. mode |= EMAC_MODE_PORT_MII_10M;
  2306. break;
  2307. case SPEED_100:
  2308. mode |= EMAC_MODE_PORT_MII;
  2309. break;
  2310. case SPEED_1000:
  2311. mode |= EMAC_MODE_PORT_GMII;
  2312. break;
  2313. case SPEED_2500:
  2314. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2315. break;
  2316. default:
  2317. /* 10G not valid for EMAC */
  2318. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2319. vars->line_speed);
  2320. return -EINVAL;
  2321. }
  2322. if (vars->duplex == DUPLEX_HALF)
  2323. mode |= EMAC_MODE_HALF_DUPLEX;
  2324. bnx2x_bits_en(bp,
  2325. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2326. mode);
  2327. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2328. return 0;
  2329. }
  2330. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2331. struct link_params *params)
  2332. {
  2333. u16 bank, i = 0;
  2334. struct bnx2x *bp = params->bp;
  2335. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2336. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2337. CL22_WR_OVER_CL45(bp, phy,
  2338. bank,
  2339. MDIO_RX0_RX_EQ_BOOST,
  2340. phy->rx_preemphasis[i]);
  2341. }
  2342. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2343. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2344. CL22_WR_OVER_CL45(bp, phy,
  2345. bank,
  2346. MDIO_TX0_TX_DRIVER,
  2347. phy->tx_preemphasis[i]);
  2348. }
  2349. }
  2350. static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
  2351. struct link_params *params,
  2352. struct link_vars *vars)
  2353. {
  2354. struct bnx2x *bp = params->bp;
  2355. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2356. (params->loopback_mode == LOOPBACK_XGXS));
  2357. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2358. if (SINGLE_MEDIA_DIRECT(params) &&
  2359. (params->feature_config_flags &
  2360. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2361. bnx2x_set_preemphasis(phy, params);
  2362. /* forced speed requested? */
  2363. if (vars->line_speed != SPEED_AUTO_NEG ||
  2364. (SINGLE_MEDIA_DIRECT(params) &&
  2365. params->loopback_mode == LOOPBACK_EXT)) {
  2366. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2367. /* disable autoneg */
  2368. bnx2x_set_autoneg(phy, params, vars, 0);
  2369. /* program speed and duplex */
  2370. bnx2x_program_serdes(phy, params, vars);
  2371. } else { /* AN_mode */
  2372. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2373. /* AN enabled */
  2374. bnx2x_set_brcm_cl37_advertisment(phy, params);
  2375. /* program duplex & pause advertisement (for aneg) */
  2376. bnx2x_set_ieee_aneg_advertisment(phy, params,
  2377. vars->ieee_fc);
  2378. /* enable autoneg */
  2379. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2380. /* enable and restart AN */
  2381. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2382. }
  2383. } else { /* SGMII mode */
  2384. DP(NETIF_MSG_LINK, "SGMII\n");
  2385. bnx2x_initialize_sgmii_process(phy, params, vars);
  2386. }
  2387. }
  2388. static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
  2389. struct link_params *params,
  2390. struct link_vars *vars)
  2391. {
  2392. u8 rc;
  2393. vars->phy_flags |= PHY_SGMII_FLAG;
  2394. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2395. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2396. rc = bnx2x_reset_unicore(params, phy, 1);
  2397. /* reset the SerDes and wait for reset bit return low */
  2398. if (rc != 0)
  2399. return rc;
  2400. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2401. return rc;
  2402. }
  2403. static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
  2404. struct link_params *params,
  2405. struct link_vars *vars)
  2406. {
  2407. u8 rc;
  2408. vars->phy_flags = PHY_XGXS_FLAG;
  2409. if ((phy->req_line_speed &&
  2410. ((phy->req_line_speed == SPEED_100) ||
  2411. (phy->req_line_speed == SPEED_10))) ||
  2412. (!phy->req_line_speed &&
  2413. (phy->speed_cap_mask >=
  2414. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2415. (phy->speed_cap_mask <
  2416. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  2417. ))
  2418. vars->phy_flags |= PHY_SGMII_FLAG;
  2419. else
  2420. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2421. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2422. bnx2x_set_aer_mmd_xgxs(params, phy);
  2423. bnx2x_set_master_ln(params, phy);
  2424. rc = bnx2x_reset_unicore(params, phy, 0);
  2425. /* reset the SerDes and wait for reset bit return low */
  2426. if (rc != 0)
  2427. return rc;
  2428. bnx2x_set_aer_mmd_xgxs(params, phy);
  2429. /* setting the masterLn_def again after the reset */
  2430. bnx2x_set_master_ln(params, phy);
  2431. bnx2x_set_swap_lanes(params, phy);
  2432. return rc;
  2433. }
  2434. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2435. struct bnx2x_phy *phy,
  2436. struct link_params *params)
  2437. {
  2438. u16 cnt, ctrl;
  2439. /* Wait for soft reset to get cleared upto 1 sec */
  2440. for (cnt = 0; cnt < 1000; cnt++) {
  2441. bnx2x_cl45_read(bp, phy,
  2442. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2443. if (!(ctrl & (1<<15)))
  2444. break;
  2445. msleep(1);
  2446. }
  2447. if (cnt == 1000)
  2448. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2449. " Port %d\n",
  2450. params->port);
  2451. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2452. return cnt;
  2453. }
  2454. static void bnx2x_link_int_enable(struct link_params *params)
  2455. {
  2456. u8 port = params->port;
  2457. u32 mask;
  2458. struct bnx2x *bp = params->bp;
  2459. /* Setting the status to report on link up for either XGXS or SerDes */
  2460. if (params->switch_cfg == SWITCH_CFG_10G) {
  2461. mask = (NIG_MASK_XGXS0_LINK10G |
  2462. NIG_MASK_XGXS0_LINK_STATUS);
  2463. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2464. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2465. params->phy[INT_PHY].type !=
  2466. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2467. mask |= NIG_MASK_MI_INT;
  2468. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2469. }
  2470. } else { /* SerDes */
  2471. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2472. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2473. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2474. params->phy[INT_PHY].type !=
  2475. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2476. mask |= NIG_MASK_MI_INT;
  2477. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2478. }
  2479. }
  2480. bnx2x_bits_en(bp,
  2481. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2482. mask);
  2483. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2484. (params->switch_cfg == SWITCH_CFG_10G),
  2485. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2486. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2487. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2488. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2489. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2490. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2491. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2492. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2493. }
  2494. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2495. u8 exp_mi_int)
  2496. {
  2497. u32 latch_status = 0;
  2498. /*
  2499. * Disable the MI INT ( external phy int ) by writing 1 to the
  2500. * status register. Link down indication is high-active-signal,
  2501. * so in this case we need to write the status to clear the XOR
  2502. */
  2503. /* Read Latched signals */
  2504. latch_status = REG_RD(bp,
  2505. NIG_REG_LATCH_STATUS_0 + port*8);
  2506. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2507. /* Handle only those with latched-signal=up.*/
  2508. if (exp_mi_int)
  2509. bnx2x_bits_en(bp,
  2510. NIG_REG_STATUS_INTERRUPT_PORT0
  2511. + port*4,
  2512. NIG_STATUS_EMAC0_MI_INT);
  2513. else
  2514. bnx2x_bits_dis(bp,
  2515. NIG_REG_STATUS_INTERRUPT_PORT0
  2516. + port*4,
  2517. NIG_STATUS_EMAC0_MI_INT);
  2518. if (latch_status & 1) {
  2519. /* For all latched-signal=up : Re-Arm Latch signals */
  2520. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2521. (latch_status & 0xfffe) | (latch_status & 1));
  2522. }
  2523. /* For all latched-signal=up,Write original_signal to status */
  2524. }
  2525. static void bnx2x_link_int_ack(struct link_params *params,
  2526. struct link_vars *vars, u8 is_10g)
  2527. {
  2528. struct bnx2x *bp = params->bp;
  2529. u8 port = params->port;
  2530. /*
  2531. * First reset all status we assume only one line will be
  2532. * change at a time
  2533. */
  2534. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2535. (NIG_STATUS_XGXS0_LINK10G |
  2536. NIG_STATUS_XGXS0_LINK_STATUS |
  2537. NIG_STATUS_SERDES0_LINK_STATUS));
  2538. if (vars->phy_link_up) {
  2539. if (is_10g) {
  2540. /*
  2541. * Disable the 10G link interrupt by writing 1 to the
  2542. * status register
  2543. */
  2544. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2545. bnx2x_bits_en(bp,
  2546. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2547. NIG_STATUS_XGXS0_LINK10G);
  2548. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2549. /*
  2550. * Disable the link interrupt by writing 1 to the
  2551. * relevant lane in the status register
  2552. */
  2553. u32 ser_lane = ((params->lane_config &
  2554. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2555. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2556. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2557. vars->line_speed);
  2558. bnx2x_bits_en(bp,
  2559. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2560. ((1 << ser_lane) <<
  2561. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2562. } else { /* SerDes */
  2563. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2564. /*
  2565. * Disable the link interrupt by writing 1 to the status
  2566. * register
  2567. */
  2568. bnx2x_bits_en(bp,
  2569. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2570. NIG_STATUS_SERDES0_LINK_STATUS);
  2571. }
  2572. }
  2573. }
  2574. static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2575. {
  2576. u8 *str_ptr = str;
  2577. u32 mask = 0xf0000000;
  2578. u8 shift = 8*4;
  2579. u8 digit;
  2580. u8 remove_leading_zeros = 1;
  2581. if (*len < 10) {
  2582. /* Need more than 10chars for this format */
  2583. *str_ptr = '\0';
  2584. (*len)--;
  2585. return -EINVAL;
  2586. }
  2587. while (shift > 0) {
  2588. shift -= 4;
  2589. digit = ((num & mask) >> shift);
  2590. if (digit == 0 && remove_leading_zeros) {
  2591. mask = mask >> 4;
  2592. continue;
  2593. } else if (digit < 0xa)
  2594. *str_ptr = digit + '0';
  2595. else
  2596. *str_ptr = digit - 0xa + 'a';
  2597. remove_leading_zeros = 0;
  2598. str_ptr++;
  2599. (*len)--;
  2600. mask = mask >> 4;
  2601. if (shift == 4*4) {
  2602. *str_ptr = '.';
  2603. str_ptr++;
  2604. (*len)--;
  2605. remove_leading_zeros = 1;
  2606. }
  2607. }
  2608. return 0;
  2609. }
  2610. static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2611. {
  2612. str[0] = '\0';
  2613. (*len)--;
  2614. return 0;
  2615. }
  2616. u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2617. u8 *version, u16 len)
  2618. {
  2619. struct bnx2x *bp;
  2620. u32 spirom_ver = 0;
  2621. u8 status = 0;
  2622. u8 *ver_p = version;
  2623. u16 remain_len = len;
  2624. if (version == NULL || params == NULL)
  2625. return -EINVAL;
  2626. bp = params->bp;
  2627. /* Extract first external phy*/
  2628. version[0] = '\0';
  2629. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2630. if (params->phy[EXT_PHY1].format_fw_ver) {
  2631. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2632. ver_p,
  2633. &remain_len);
  2634. ver_p += (len - remain_len);
  2635. }
  2636. if ((params->num_phys == MAX_PHYS) &&
  2637. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2638. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2639. if (params->phy[EXT_PHY2].format_fw_ver) {
  2640. *ver_p = '/';
  2641. ver_p++;
  2642. remain_len--;
  2643. status |= params->phy[EXT_PHY2].format_fw_ver(
  2644. spirom_ver,
  2645. ver_p,
  2646. &remain_len);
  2647. ver_p = version + (len - remain_len);
  2648. }
  2649. }
  2650. *ver_p = '\0';
  2651. return status;
  2652. }
  2653. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2654. struct link_params *params)
  2655. {
  2656. u8 port = params->port;
  2657. struct bnx2x *bp = params->bp;
  2658. if (phy->req_line_speed != SPEED_1000) {
  2659. u32 md_devad;
  2660. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2661. /* change the uni_phy_addr in the nig */
  2662. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2663. port*0x18));
  2664. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2665. bnx2x_cl45_write(bp, phy,
  2666. 5,
  2667. (MDIO_REG_BANK_AER_BLOCK +
  2668. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2669. 0x2800);
  2670. bnx2x_cl45_write(bp, phy,
  2671. 5,
  2672. (MDIO_REG_BANK_CL73_IEEEB0 +
  2673. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2674. 0x6041);
  2675. msleep(200);
  2676. /* set aer mmd back */
  2677. bnx2x_set_aer_mmd_xgxs(params, phy);
  2678. /* and md_devad */
  2679. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2680. } else {
  2681. u16 mii_ctrl;
  2682. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2683. bnx2x_cl45_read(bp, phy, 5,
  2684. (MDIO_REG_BANK_COMBO_IEEE0 +
  2685. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2686. &mii_ctrl);
  2687. bnx2x_cl45_write(bp, phy, 5,
  2688. (MDIO_REG_BANK_COMBO_IEEE0 +
  2689. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2690. mii_ctrl |
  2691. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2692. }
  2693. }
  2694. u8 bnx2x_set_led(struct link_params *params,
  2695. struct link_vars *vars, u8 mode, u32 speed)
  2696. {
  2697. u8 port = params->port;
  2698. u16 hw_led_mode = params->hw_led_mode;
  2699. u8 rc = 0, phy_idx;
  2700. u32 tmp;
  2701. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2702. struct bnx2x *bp = params->bp;
  2703. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2704. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2705. speed, hw_led_mode);
  2706. /* In case */
  2707. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2708. if (params->phy[phy_idx].set_link_led) {
  2709. params->phy[phy_idx].set_link_led(
  2710. &params->phy[phy_idx], params, mode);
  2711. }
  2712. }
  2713. switch (mode) {
  2714. case LED_MODE_FRONT_PANEL_OFF:
  2715. case LED_MODE_OFF:
  2716. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2717. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2718. SHARED_HW_CFG_LED_MAC1);
  2719. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2720. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2721. break;
  2722. case LED_MODE_OPER:
  2723. /*
  2724. * For all other phys, OPER mode is same as ON, so in case
  2725. * link is down, do nothing
  2726. */
  2727. if (!vars->link_up)
  2728. break;
  2729. case LED_MODE_ON:
  2730. if (params->phy[EXT_PHY1].type ==
  2731. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
  2732. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2733. /*
  2734. * This is a work-around for E2+8727 Configurations
  2735. */
  2736. if (mode == LED_MODE_ON ||
  2737. speed == SPEED_10000){
  2738. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2739. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2740. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2741. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2742. (tmp | EMAC_LED_OVERRIDE));
  2743. return rc;
  2744. }
  2745. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2746. /*
  2747. * This is a work-around for HW issue found when link
  2748. * is up in CL73
  2749. */
  2750. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2751. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2752. } else {
  2753. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2754. }
  2755. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2756. /* Set blinking rate to ~15.9Hz */
  2757. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2758. LED_BLINK_RATE_VAL);
  2759. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2760. port*4, 1);
  2761. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2762. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2763. if (CHIP_IS_E1(bp) &&
  2764. ((speed == SPEED_2500) ||
  2765. (speed == SPEED_1000) ||
  2766. (speed == SPEED_100) ||
  2767. (speed == SPEED_10))) {
  2768. /*
  2769. * On Everest 1 Ax chip versions for speeds less than
  2770. * 10G LED scheme is different
  2771. */
  2772. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2773. + port*4, 1);
  2774. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2775. port*4, 0);
  2776. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2777. port*4, 1);
  2778. }
  2779. break;
  2780. default:
  2781. rc = -EINVAL;
  2782. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2783. mode);
  2784. break;
  2785. }
  2786. return rc;
  2787. }
  2788. /*
  2789. * This function comes to reflect the actual link state read DIRECTLY from the
  2790. * HW
  2791. */
  2792. u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2793. u8 is_serdes)
  2794. {
  2795. struct bnx2x *bp = params->bp;
  2796. u16 gp_status = 0, phy_index = 0;
  2797. u8 ext_phy_link_up = 0, serdes_phy_type;
  2798. struct link_vars temp_vars;
  2799. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2800. MDIO_REG_BANK_GP_STATUS,
  2801. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2802. &gp_status);
  2803. /* link is up only if both local phy and external phy are up */
  2804. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2805. return -ESRCH;
  2806. switch (params->num_phys) {
  2807. case 1:
  2808. /* No external PHY */
  2809. return 0;
  2810. case 2:
  2811. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2812. &params->phy[EXT_PHY1],
  2813. params, &temp_vars);
  2814. break;
  2815. case 3: /* Dual Media */
  2816. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2817. phy_index++) {
  2818. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2819. ETH_PHY_SFP_FIBER) ||
  2820. (params->phy[phy_index].media_type ==
  2821. ETH_PHY_XFP_FIBER));
  2822. if (is_serdes != serdes_phy_type)
  2823. continue;
  2824. if (params->phy[phy_index].read_status) {
  2825. ext_phy_link_up |=
  2826. params->phy[phy_index].read_status(
  2827. &params->phy[phy_index],
  2828. params, &temp_vars);
  2829. }
  2830. }
  2831. break;
  2832. }
  2833. if (ext_phy_link_up)
  2834. return 0;
  2835. return -ESRCH;
  2836. }
  2837. static u8 bnx2x_link_initialize(struct link_params *params,
  2838. struct link_vars *vars)
  2839. {
  2840. u8 rc = 0;
  2841. u8 phy_index, non_ext_phy;
  2842. struct bnx2x *bp = params->bp;
  2843. /*
  2844. * In case of external phy existence, the line speed would be the
  2845. * line speed linked up by the external phy. In case it is direct
  2846. * only, then the line_speed during initialization will be
  2847. * equal to the req_line_speed
  2848. */
  2849. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2850. /*
  2851. * Initialize the internal phy in case this is a direct board
  2852. * (no external phys), or this board has external phy which requires
  2853. * to first.
  2854. */
  2855. if (params->phy[INT_PHY].config_init)
  2856. params->phy[INT_PHY].config_init(
  2857. &params->phy[INT_PHY],
  2858. params, vars);
  2859. /* init ext phy and enable link state int */
  2860. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2861. (params->loopback_mode == LOOPBACK_XGXS));
  2862. if (non_ext_phy ||
  2863. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2864. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2865. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2866. if (vars->line_speed == SPEED_AUTO_NEG)
  2867. bnx2x_set_parallel_detection(phy, params);
  2868. bnx2x_init_internal_phy(phy, params, vars);
  2869. }
  2870. /* Init external phy*/
  2871. if (!non_ext_phy)
  2872. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2873. phy_index++) {
  2874. /*
  2875. * No need to initialize second phy in case of first
  2876. * phy only selection. In case of second phy, we do
  2877. * need to initialize the first phy, since they are
  2878. * connected.
  2879. */
  2880. if (phy_index == EXT_PHY2 &&
  2881. (bnx2x_phy_selection(params) ==
  2882. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2883. DP(NETIF_MSG_LINK, "Ignoring second phy\n");
  2884. continue;
  2885. }
  2886. params->phy[phy_index].config_init(
  2887. &params->phy[phy_index],
  2888. params, vars);
  2889. }
  2890. /* Reset the interrupt indication after phy was initialized */
  2891. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2892. params->port*4,
  2893. (NIG_STATUS_XGXS0_LINK10G |
  2894. NIG_STATUS_XGXS0_LINK_STATUS |
  2895. NIG_STATUS_SERDES0_LINK_STATUS |
  2896. NIG_MASK_MI_INT));
  2897. return rc;
  2898. }
  2899. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  2900. struct link_params *params)
  2901. {
  2902. /* reset the SerDes/XGXS */
  2903. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  2904. (0x1ff << (params->port*16)));
  2905. }
  2906. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  2907. struct link_params *params)
  2908. {
  2909. struct bnx2x *bp = params->bp;
  2910. u8 gpio_port;
  2911. /* HW reset */
  2912. if (CHIP_IS_E2(bp))
  2913. gpio_port = BP_PATH(bp);
  2914. else
  2915. gpio_port = params->port;
  2916. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  2917. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2918. gpio_port);
  2919. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  2920. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2921. gpio_port);
  2922. DP(NETIF_MSG_LINK, "reset external PHY\n");
  2923. }
  2924. static u8 bnx2x_update_link_down(struct link_params *params,
  2925. struct link_vars *vars)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. u8 port = params->port;
  2929. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  2930. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  2931. /* indicate no mac active */
  2932. vars->mac_type = MAC_TYPE_NONE;
  2933. /* update shared memory */
  2934. vars->link_status = 0;
  2935. vars->line_speed = 0;
  2936. bnx2x_update_mng(params, vars->link_status);
  2937. /* activate nig drain */
  2938. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  2939. /* disable emac */
  2940. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  2941. msleep(10);
  2942. /* reset BigMac */
  2943. bnx2x_bmac_rx_disable(bp, params->port);
  2944. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2945. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2946. return 0;
  2947. }
  2948. static u8 bnx2x_update_link_up(struct link_params *params,
  2949. struct link_vars *vars,
  2950. u8 link_10g)
  2951. {
  2952. struct bnx2x *bp = params->bp;
  2953. u8 port = params->port;
  2954. u8 rc = 0;
  2955. vars->link_status |= LINK_STATUS_LINK_UP;
  2956. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  2957. vars->link_status |=
  2958. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  2959. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  2960. vars->link_status |=
  2961. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  2962. if (link_10g) {
  2963. bnx2x_bmac_enable(params, vars, 0);
  2964. bnx2x_set_led(params, vars,
  2965. LED_MODE_OPER, SPEED_10000);
  2966. } else {
  2967. rc = bnx2x_emac_program(params, vars);
  2968. bnx2x_emac_enable(params, vars, 0);
  2969. /* AN complete? */
  2970. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  2971. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  2972. SINGLE_MEDIA_DIRECT(params))
  2973. bnx2x_set_gmii_tx_driver(params);
  2974. }
  2975. /* PBF - link up */
  2976. if (!(CHIP_IS_E2(bp)))
  2977. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  2978. vars->line_speed);
  2979. /* disable drain */
  2980. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  2981. /* update shared memory */
  2982. bnx2x_update_mng(params, vars->link_status);
  2983. msleep(20);
  2984. return rc;
  2985. }
  2986. /*
  2987. * The bnx2x_link_update function should be called upon link
  2988. * interrupt.
  2989. * Link is considered up as follows:
  2990. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  2991. * to be up
  2992. * - SINGLE_MEDIA - The link between the 577xx and the external
  2993. * phy (XGXS) need to up as well as the external link of the
  2994. * phy (PHY_EXT1)
  2995. * - DUAL_MEDIA - The link between the 577xx and the first
  2996. * external phy needs to be up, and at least one of the 2
  2997. * external phy link must be up.
  2998. */
  2999. u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3000. {
  3001. struct bnx2x *bp = params->bp;
  3002. struct link_vars phy_vars[MAX_PHYS];
  3003. u8 port = params->port;
  3004. u8 link_10g, phy_index;
  3005. u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
  3006. u8 is_mi_int = 0;
  3007. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3008. u8 active_external_phy = INT_PHY;
  3009. vars->link_status = 0;
  3010. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3011. phy_index++) {
  3012. phy_vars[phy_index].flow_ctrl = 0;
  3013. phy_vars[phy_index].link_status = 0;
  3014. phy_vars[phy_index].line_speed = 0;
  3015. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3016. phy_vars[phy_index].phy_link_up = 0;
  3017. phy_vars[phy_index].link_up = 0;
  3018. }
  3019. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3020. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3021. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3022. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3023. port*0x18) > 0);
  3024. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3025. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3026. is_mi_int,
  3027. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3028. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3029. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3030. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3031. /* disable emac */
  3032. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3033. /*
  3034. * Step 1:
  3035. * Check external link change only for external phys, and apply
  3036. * priority selection between them in case the link on both phys
  3037. * is up. Note that the instead of the common vars, a temporary
  3038. * vars argument is used since each phy may have different link/
  3039. * speed/duplex result
  3040. */
  3041. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3042. phy_index++) {
  3043. struct bnx2x_phy *phy = &params->phy[phy_index];
  3044. if (!phy->read_status)
  3045. continue;
  3046. /* Read link status and params of this ext phy */
  3047. cur_link_up = phy->read_status(phy, params,
  3048. &phy_vars[phy_index]);
  3049. if (cur_link_up) {
  3050. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3051. phy_index);
  3052. } else {
  3053. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3054. phy_index);
  3055. continue;
  3056. }
  3057. if (!ext_phy_link_up) {
  3058. ext_phy_link_up = 1;
  3059. active_external_phy = phy_index;
  3060. } else {
  3061. switch (bnx2x_phy_selection(params)) {
  3062. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3063. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3064. /*
  3065. * In this option, the first PHY makes sure to pass the
  3066. * traffic through itself only.
  3067. * Its not clear how to reset the link on the second phy
  3068. */
  3069. active_external_phy = EXT_PHY1;
  3070. break;
  3071. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3072. /*
  3073. * In this option, the first PHY makes sure to pass the
  3074. * traffic through the second PHY.
  3075. */
  3076. active_external_phy = EXT_PHY2;
  3077. break;
  3078. default:
  3079. /*
  3080. * Link indication on both PHYs with the following cases
  3081. * is invalid:
  3082. * - FIRST_PHY means that second phy wasn't initialized,
  3083. * hence its link is expected to be down
  3084. * - SECOND_PHY means that first phy should not be able
  3085. * to link up by itself (using configuration)
  3086. * - DEFAULT should be overriden during initialiazation
  3087. */
  3088. DP(NETIF_MSG_LINK, "Invalid link indication"
  3089. "mpc=0x%x. DISABLING LINK !!!\n",
  3090. params->multi_phy_config);
  3091. ext_phy_link_up = 0;
  3092. break;
  3093. }
  3094. }
  3095. }
  3096. prev_line_speed = vars->line_speed;
  3097. /*
  3098. * Step 2:
  3099. * Read the status of the internal phy. In case of
  3100. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3101. * otherwise this is the link between the 577xx and the first
  3102. * external phy
  3103. */
  3104. if (params->phy[INT_PHY].read_status)
  3105. params->phy[INT_PHY].read_status(
  3106. &params->phy[INT_PHY],
  3107. params, vars);
  3108. /*
  3109. * The INT_PHY flow control reside in the vars. This include the
  3110. * case where the speed or flow control are not set to AUTO.
  3111. * Otherwise, the active external phy flow control result is set
  3112. * to the vars. The ext_phy_line_speed is needed to check if the
  3113. * speed is different between the internal phy and external phy.
  3114. * This case may be result of intermediate link speed change.
  3115. */
  3116. if (active_external_phy > INT_PHY) {
  3117. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3118. /*
  3119. * Link speed is taken from the XGXS. AN and FC result from
  3120. * the external phy.
  3121. */
  3122. vars->link_status |= phy_vars[active_external_phy].link_status;
  3123. /*
  3124. * if active_external_phy is first PHY and link is up - disable
  3125. * disable TX on second external PHY
  3126. */
  3127. if (active_external_phy == EXT_PHY1) {
  3128. if (params->phy[EXT_PHY2].phy_specific_func) {
  3129. DP(NETIF_MSG_LINK, "Disabling TX on"
  3130. " EXT_PHY2\n");
  3131. params->phy[EXT_PHY2].phy_specific_func(
  3132. &params->phy[EXT_PHY2],
  3133. params, DISABLE_TX);
  3134. }
  3135. }
  3136. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3137. vars->duplex = phy_vars[active_external_phy].duplex;
  3138. if (params->phy[active_external_phy].supported &
  3139. SUPPORTED_FIBRE)
  3140. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3141. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3142. active_external_phy);
  3143. }
  3144. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3145. phy_index++) {
  3146. if (params->phy[phy_index].flags &
  3147. FLAGS_REARM_LATCH_SIGNAL) {
  3148. bnx2x_rearm_latch_signal(bp, port,
  3149. phy_index ==
  3150. active_external_phy);
  3151. break;
  3152. }
  3153. }
  3154. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3155. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3156. vars->link_status, ext_phy_line_speed);
  3157. /*
  3158. * Upon link speed change set the NIG into drain mode. Comes to
  3159. * deals with possible FIFO glitch due to clk change when speed
  3160. * is decreased without link down indicator
  3161. */
  3162. if (vars->phy_link_up) {
  3163. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3164. (ext_phy_line_speed != vars->line_speed)) {
  3165. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3166. " different than the external"
  3167. " link speed %d\n", vars->line_speed,
  3168. ext_phy_line_speed);
  3169. vars->phy_link_up = 0;
  3170. } else if (prev_line_speed != vars->line_speed) {
  3171. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3172. 0);
  3173. msleep(1);
  3174. }
  3175. }
  3176. /* anything 10 and over uses the bmac */
  3177. link_10g = ((vars->line_speed == SPEED_10000) ||
  3178. (vars->line_speed == SPEED_12000) ||
  3179. (vars->line_speed == SPEED_12500) ||
  3180. (vars->line_speed == SPEED_13000) ||
  3181. (vars->line_speed == SPEED_15000) ||
  3182. (vars->line_speed == SPEED_16000));
  3183. bnx2x_link_int_ack(params, vars, link_10g);
  3184. /*
  3185. * In case external phy link is up, and internal link is down
  3186. * (not initialized yet probably after link initialization, it
  3187. * needs to be initialized.
  3188. * Note that after link down-up as result of cable plug, the xgxs
  3189. * link would probably become up again without the need
  3190. * initialize it
  3191. */
  3192. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3193. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3194. " init_preceding = %d\n", ext_phy_link_up,
  3195. vars->phy_link_up,
  3196. params->phy[EXT_PHY1].flags &
  3197. FLAGS_INIT_XGXS_FIRST);
  3198. if (!(params->phy[EXT_PHY1].flags &
  3199. FLAGS_INIT_XGXS_FIRST)
  3200. && ext_phy_link_up && !vars->phy_link_up) {
  3201. vars->line_speed = ext_phy_line_speed;
  3202. if (vars->line_speed < SPEED_1000)
  3203. vars->phy_flags |= PHY_SGMII_FLAG;
  3204. else
  3205. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3206. bnx2x_init_internal_phy(&params->phy[INT_PHY],
  3207. params,
  3208. vars);
  3209. }
  3210. }
  3211. /*
  3212. * Link is up only if both local phy and external phy (in case of
  3213. * non-direct board) are up
  3214. */
  3215. vars->link_up = (vars->phy_link_up &&
  3216. (ext_phy_link_up ||
  3217. SINGLE_MEDIA_DIRECT(params)));
  3218. if (vars->link_up)
  3219. rc = bnx2x_update_link_up(params, vars, link_10g);
  3220. else
  3221. rc = bnx2x_update_link_down(params, vars);
  3222. return rc;
  3223. }
  3224. /*****************************************************************************/
  3225. /* External Phy section */
  3226. /*****************************************************************************/
  3227. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3228. {
  3229. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3230. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3231. msleep(1);
  3232. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3233. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3234. }
  3235. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3236. u32 spirom_ver, u32 ver_addr)
  3237. {
  3238. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3239. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3240. if (ver_addr)
  3241. REG_WR(bp, ver_addr, spirom_ver);
  3242. }
  3243. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3244. struct bnx2x_phy *phy,
  3245. u8 port)
  3246. {
  3247. u16 fw_ver1, fw_ver2;
  3248. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3249. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3250. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3251. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3252. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3253. phy->ver_addr);
  3254. }
  3255. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3256. struct bnx2x_phy *phy,
  3257. struct link_vars *vars)
  3258. {
  3259. u16 val;
  3260. struct bnx2x *bp = params->bp;
  3261. /* read modify write pause advertizing */
  3262. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3263. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3264. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3265. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3266. if ((vars->ieee_fc &
  3267. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3268. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3269. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3270. }
  3271. if ((vars->ieee_fc &
  3272. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3273. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3274. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3275. }
  3276. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3277. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3278. }
  3279. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3280. struct link_params *params,
  3281. struct link_vars *vars)
  3282. {
  3283. struct bnx2x *bp = params->bp;
  3284. u16 ld_pause; /* local */
  3285. u16 lp_pause; /* link partner */
  3286. u16 pause_result;
  3287. u8 ret = 0;
  3288. /* read twice */
  3289. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3290. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3291. vars->flow_ctrl = phy->req_flow_ctrl;
  3292. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3293. vars->flow_ctrl = params->req_fc_auto_adv;
  3294. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3295. ret = 1;
  3296. bnx2x_cl45_read(bp, phy,
  3297. MDIO_AN_DEVAD,
  3298. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3299. bnx2x_cl45_read(bp, phy,
  3300. MDIO_AN_DEVAD,
  3301. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3302. pause_result = (ld_pause &
  3303. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3304. pause_result |= (lp_pause &
  3305. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3306. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3307. pause_result);
  3308. bnx2x_pause_resolve(vars, pause_result);
  3309. }
  3310. return ret;
  3311. }
  3312. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3313. struct bnx2x_phy *phy,
  3314. struct link_vars *vars)
  3315. {
  3316. u16 val;
  3317. bnx2x_cl45_read(bp, phy,
  3318. MDIO_AN_DEVAD,
  3319. MDIO_AN_REG_STATUS, &val);
  3320. bnx2x_cl45_read(bp, phy,
  3321. MDIO_AN_DEVAD,
  3322. MDIO_AN_REG_STATUS, &val);
  3323. if (val & (1<<5))
  3324. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3325. if ((val & (1<<0)) == 0)
  3326. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3327. }
  3328. /******************************************************************/
  3329. /* common BCM8073/BCM8727 PHY SECTION */
  3330. /******************************************************************/
  3331. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3332. struct link_params *params,
  3333. struct link_vars *vars)
  3334. {
  3335. struct bnx2x *bp = params->bp;
  3336. if (phy->req_line_speed == SPEED_10 ||
  3337. phy->req_line_speed == SPEED_100) {
  3338. vars->flow_ctrl = phy->req_flow_ctrl;
  3339. return;
  3340. }
  3341. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3342. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3343. u16 pause_result;
  3344. u16 ld_pause; /* local */
  3345. u16 lp_pause; /* link partner */
  3346. bnx2x_cl45_read(bp, phy,
  3347. MDIO_AN_DEVAD,
  3348. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3349. bnx2x_cl45_read(bp, phy,
  3350. MDIO_AN_DEVAD,
  3351. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3352. pause_result = (ld_pause &
  3353. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3354. pause_result |= (lp_pause &
  3355. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3356. bnx2x_pause_resolve(vars, pause_result);
  3357. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3358. pause_result);
  3359. }
  3360. }
  3361. static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3362. struct bnx2x_phy *phy,
  3363. u8 port)
  3364. {
  3365. u32 count = 0;
  3366. u16 fw_ver1, fw_msgout;
  3367. u8 rc = 0;
  3368. /* Boot port from external ROM */
  3369. /* EDC grst */
  3370. bnx2x_cl45_write(bp, phy,
  3371. MDIO_PMA_DEVAD,
  3372. MDIO_PMA_REG_GEN_CTRL,
  3373. 0x0001);
  3374. /* ucode reboot and rst */
  3375. bnx2x_cl45_write(bp, phy,
  3376. MDIO_PMA_DEVAD,
  3377. MDIO_PMA_REG_GEN_CTRL,
  3378. 0x008c);
  3379. bnx2x_cl45_write(bp, phy,
  3380. MDIO_PMA_DEVAD,
  3381. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3382. /* Reset internal microprocessor */
  3383. bnx2x_cl45_write(bp, phy,
  3384. MDIO_PMA_DEVAD,
  3385. MDIO_PMA_REG_GEN_CTRL,
  3386. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3387. /* Release srst bit */
  3388. bnx2x_cl45_write(bp, phy,
  3389. MDIO_PMA_DEVAD,
  3390. MDIO_PMA_REG_GEN_CTRL,
  3391. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3392. /* Delay 100ms per the PHY specifications */
  3393. msleep(100);
  3394. /* 8073 sometimes taking longer to download */
  3395. do {
  3396. count++;
  3397. if (count > 300) {
  3398. DP(NETIF_MSG_LINK,
  3399. "bnx2x_8073_8727_external_rom_boot port %x:"
  3400. "Download failed. fw version = 0x%x\n",
  3401. port, fw_ver1);
  3402. rc = -EINVAL;
  3403. break;
  3404. }
  3405. bnx2x_cl45_read(bp, phy,
  3406. MDIO_PMA_DEVAD,
  3407. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3408. bnx2x_cl45_read(bp, phy,
  3409. MDIO_PMA_DEVAD,
  3410. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3411. msleep(1);
  3412. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3413. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3414. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3415. /* Clear ser_boot_ctl bit */
  3416. bnx2x_cl45_write(bp, phy,
  3417. MDIO_PMA_DEVAD,
  3418. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3419. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3420. DP(NETIF_MSG_LINK,
  3421. "bnx2x_8073_8727_external_rom_boot port %x:"
  3422. "Download complete. fw version = 0x%x\n",
  3423. port, fw_ver1);
  3424. return rc;
  3425. }
  3426. /******************************************************************/
  3427. /* BCM8073 PHY SECTION */
  3428. /******************************************************************/
  3429. static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3430. {
  3431. /* This is only required for 8073A1, version 102 only */
  3432. u16 val;
  3433. /* Read 8073 HW revision*/
  3434. bnx2x_cl45_read(bp, phy,
  3435. MDIO_PMA_DEVAD,
  3436. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3437. if (val != 1) {
  3438. /* No need to workaround in 8073 A1 */
  3439. return 0;
  3440. }
  3441. bnx2x_cl45_read(bp, phy,
  3442. MDIO_PMA_DEVAD,
  3443. MDIO_PMA_REG_ROM_VER2, &val);
  3444. /* SNR should be applied only for version 0x102 */
  3445. if (val != 0x102)
  3446. return 0;
  3447. return 1;
  3448. }
  3449. static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3450. {
  3451. u16 val, cnt, cnt1 ;
  3452. bnx2x_cl45_read(bp, phy,
  3453. MDIO_PMA_DEVAD,
  3454. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3455. if (val > 0) {
  3456. /* No need to workaround in 8073 A1 */
  3457. return 0;
  3458. }
  3459. /* XAUI workaround in 8073 A0: */
  3460. /*
  3461. * After loading the boot ROM and restarting Autoneg, poll
  3462. * Dev1, Reg $C820:
  3463. */
  3464. for (cnt = 0; cnt < 1000; cnt++) {
  3465. bnx2x_cl45_read(bp, phy,
  3466. MDIO_PMA_DEVAD,
  3467. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3468. &val);
  3469. /*
  3470. * If bit [14] = 0 or bit [13] = 0, continue on with
  3471. * system initialization (XAUI work-around not required, as
  3472. * these bits indicate 2.5G or 1G link up).
  3473. */
  3474. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3475. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3476. return 0;
  3477. } else if (!(val & (1<<15))) {
  3478. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3479. /*
  3480. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3481. * MSB (bit15) goes to 1 (indicating that the XAUI
  3482. * workaround has completed), then continue on with
  3483. * system initialization.
  3484. */
  3485. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3486. bnx2x_cl45_read(bp, phy,
  3487. MDIO_PMA_DEVAD,
  3488. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3489. if (val & (1<<15)) {
  3490. DP(NETIF_MSG_LINK,
  3491. "XAUI workaround has completed\n");
  3492. return 0;
  3493. }
  3494. msleep(3);
  3495. }
  3496. break;
  3497. }
  3498. msleep(3);
  3499. }
  3500. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3501. return -EINVAL;
  3502. }
  3503. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3504. {
  3505. /* Force KR or KX */
  3506. bnx2x_cl45_write(bp, phy,
  3507. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3508. bnx2x_cl45_write(bp, phy,
  3509. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3510. bnx2x_cl45_write(bp, phy,
  3511. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3512. bnx2x_cl45_write(bp, phy,
  3513. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3514. }
  3515. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3516. struct bnx2x_phy *phy,
  3517. struct link_vars *vars)
  3518. {
  3519. u16 cl37_val;
  3520. struct bnx2x *bp = params->bp;
  3521. bnx2x_cl45_read(bp, phy,
  3522. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3523. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3524. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3525. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3526. if ((vars->ieee_fc &
  3527. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3528. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3529. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3530. }
  3531. if ((vars->ieee_fc &
  3532. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3533. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3534. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3535. }
  3536. if ((vars->ieee_fc &
  3537. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3538. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3539. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3540. }
  3541. DP(NETIF_MSG_LINK,
  3542. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3543. bnx2x_cl45_write(bp, phy,
  3544. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3545. msleep(500);
  3546. }
  3547. static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3548. struct link_params *params,
  3549. struct link_vars *vars)
  3550. {
  3551. struct bnx2x *bp = params->bp;
  3552. u16 val = 0, tmp1;
  3553. u8 gpio_port;
  3554. DP(NETIF_MSG_LINK, "Init 8073\n");
  3555. if (CHIP_IS_E2(bp))
  3556. gpio_port = BP_PATH(bp);
  3557. else
  3558. gpio_port = params->port;
  3559. /* Restore normal power mode*/
  3560. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3561. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3562. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3563. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3564. /* enable LASI */
  3565. bnx2x_cl45_write(bp, phy,
  3566. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3567. bnx2x_cl45_write(bp, phy,
  3568. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3569. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3570. bnx2x_cl45_read(bp, phy,
  3571. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3572. bnx2x_cl45_read(bp, phy,
  3573. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3574. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3575. /* Swap polarity if required - Must be done only in non-1G mode */
  3576. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3577. /* Configure the 8073 to swap _P and _N of the KR lines */
  3578. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3579. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3580. bnx2x_cl45_read(bp, phy,
  3581. MDIO_PMA_DEVAD,
  3582. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3583. bnx2x_cl45_write(bp, phy,
  3584. MDIO_PMA_DEVAD,
  3585. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3586. (val | (3<<9)));
  3587. }
  3588. /* Enable CL37 BAM */
  3589. if (REG_RD(bp, params->shmem_base +
  3590. offsetof(struct shmem_region, dev_info.
  3591. port_hw_config[params->port].default_cfg)) &
  3592. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3593. bnx2x_cl45_read(bp, phy,
  3594. MDIO_AN_DEVAD,
  3595. MDIO_AN_REG_8073_BAM, &val);
  3596. bnx2x_cl45_write(bp, phy,
  3597. MDIO_AN_DEVAD,
  3598. MDIO_AN_REG_8073_BAM, val | 1);
  3599. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3600. }
  3601. if (params->loopback_mode == LOOPBACK_EXT) {
  3602. bnx2x_807x_force_10G(bp, phy);
  3603. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3604. return 0;
  3605. } else {
  3606. bnx2x_cl45_write(bp, phy,
  3607. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3608. }
  3609. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3610. if (phy->req_line_speed == SPEED_10000) {
  3611. val = (1<<7);
  3612. } else if (phy->req_line_speed == SPEED_2500) {
  3613. val = (1<<5);
  3614. /*
  3615. * Note that 2.5G works only when used with 1G
  3616. * advertisment
  3617. */
  3618. } else
  3619. val = (1<<5);
  3620. } else {
  3621. val = 0;
  3622. if (phy->speed_cap_mask &
  3623. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3624. val |= (1<<7);
  3625. /* Note that 2.5G works only when used with 1G advertisment */
  3626. if (phy->speed_cap_mask &
  3627. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3628. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3629. val |= (1<<5);
  3630. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3631. }
  3632. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3633. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3634. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3635. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3636. (phy->req_line_speed == SPEED_2500)) {
  3637. u16 phy_ver;
  3638. /* Allow 2.5G for A1 and above */
  3639. bnx2x_cl45_read(bp, phy,
  3640. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3641. &phy_ver);
  3642. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3643. if (phy_ver > 0)
  3644. tmp1 |= 1;
  3645. else
  3646. tmp1 &= 0xfffe;
  3647. } else {
  3648. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3649. tmp1 &= 0xfffe;
  3650. }
  3651. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3652. /* Add support for CL37 (passive mode) II */
  3653. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3654. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3655. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3656. 0x20 : 0x40)));
  3657. /* Add support for CL37 (passive mode) III */
  3658. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3659. /*
  3660. * The SNR will improve about 2db by changing BW and FEE main
  3661. * tap. Rest commands are executed after link is up
  3662. * Change FFE main cursor to 5 in EDC register
  3663. */
  3664. if (bnx2x_8073_is_snr_needed(bp, phy))
  3665. bnx2x_cl45_write(bp, phy,
  3666. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3667. 0xFB0C);
  3668. /* Enable FEC (Forware Error Correction) Request in the AN */
  3669. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3670. tmp1 |= (1<<15);
  3671. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3672. bnx2x_ext_phy_set_pause(params, phy, vars);
  3673. /* Restart autoneg */
  3674. msleep(500);
  3675. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3676. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3677. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3678. return 0;
  3679. }
  3680. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3681. struct link_params *params,
  3682. struct link_vars *vars)
  3683. {
  3684. struct bnx2x *bp = params->bp;
  3685. u8 link_up = 0;
  3686. u16 val1, val2;
  3687. u16 link_status = 0;
  3688. u16 an1000_status = 0;
  3689. bnx2x_cl45_read(bp, phy,
  3690. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3691. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3692. /* clear the interrupt LASI status register */
  3693. bnx2x_cl45_read(bp, phy,
  3694. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3695. bnx2x_cl45_read(bp, phy,
  3696. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3697. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3698. /* Clear MSG-OUT */
  3699. bnx2x_cl45_read(bp, phy,
  3700. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3701. /* Check the LASI */
  3702. bnx2x_cl45_read(bp, phy,
  3703. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3704. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3705. /* Check the link status */
  3706. bnx2x_cl45_read(bp, phy,
  3707. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3708. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3709. bnx2x_cl45_read(bp, phy,
  3710. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3711. bnx2x_cl45_read(bp, phy,
  3712. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3713. link_up = ((val1 & 4) == 4);
  3714. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3715. if (link_up &&
  3716. ((phy->req_line_speed != SPEED_10000))) {
  3717. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3718. return 0;
  3719. }
  3720. bnx2x_cl45_read(bp, phy,
  3721. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3722. bnx2x_cl45_read(bp, phy,
  3723. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3724. /* Check the link status on 1.1.2 */
  3725. bnx2x_cl45_read(bp, phy,
  3726. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3727. bnx2x_cl45_read(bp, phy,
  3728. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3729. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3730. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3731. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3732. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3733. /*
  3734. * The SNR will improve about 2dbby changing the BW and FEE main
  3735. * tap. The 1st write to change FFE main tap is set before
  3736. * restart AN. Change PLL Bandwidth in EDC register
  3737. */
  3738. bnx2x_cl45_write(bp, phy,
  3739. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3740. 0x26BC);
  3741. /* Change CDR Bandwidth in EDC register */
  3742. bnx2x_cl45_write(bp, phy,
  3743. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3744. 0x0333);
  3745. }
  3746. bnx2x_cl45_read(bp, phy,
  3747. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3748. &link_status);
  3749. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3750. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3751. link_up = 1;
  3752. vars->line_speed = SPEED_10000;
  3753. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3754. params->port);
  3755. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3756. link_up = 1;
  3757. vars->line_speed = SPEED_2500;
  3758. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3759. params->port);
  3760. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3761. link_up = 1;
  3762. vars->line_speed = SPEED_1000;
  3763. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3764. params->port);
  3765. } else {
  3766. link_up = 0;
  3767. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3768. params->port);
  3769. }
  3770. if (link_up) {
  3771. /* Swap polarity if required */
  3772. if (params->lane_config &
  3773. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3774. /* Configure the 8073 to swap P and N of the KR lines */
  3775. bnx2x_cl45_read(bp, phy,
  3776. MDIO_XS_DEVAD,
  3777. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3778. /*
  3779. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3780. * when it`s in 10G mode.
  3781. */
  3782. if (vars->line_speed == SPEED_1000) {
  3783. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3784. "the 8073\n");
  3785. val1 |= (1<<3);
  3786. } else
  3787. val1 &= ~(1<<3);
  3788. bnx2x_cl45_write(bp, phy,
  3789. MDIO_XS_DEVAD,
  3790. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3791. val1);
  3792. }
  3793. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3794. bnx2x_8073_resolve_fc(phy, params, vars);
  3795. vars->duplex = DUPLEX_FULL;
  3796. }
  3797. return link_up;
  3798. }
  3799. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3800. struct link_params *params)
  3801. {
  3802. struct bnx2x *bp = params->bp;
  3803. u8 gpio_port;
  3804. if (CHIP_IS_E2(bp))
  3805. gpio_port = BP_PATH(bp);
  3806. else
  3807. gpio_port = params->port;
  3808. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3809. gpio_port);
  3810. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3811. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3812. gpio_port);
  3813. }
  3814. /******************************************************************/
  3815. /* BCM8705 PHY SECTION */
  3816. /******************************************************************/
  3817. static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3818. struct link_params *params,
  3819. struct link_vars *vars)
  3820. {
  3821. struct bnx2x *bp = params->bp;
  3822. DP(NETIF_MSG_LINK, "init 8705\n");
  3823. /* Restore normal power mode*/
  3824. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3825. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3826. /* HW reset */
  3827. bnx2x_ext_phy_hw_reset(bp, params->port);
  3828. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3829. bnx2x_wait_reset_complete(bp, phy, params);
  3830. bnx2x_cl45_write(bp, phy,
  3831. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3832. bnx2x_cl45_write(bp, phy,
  3833. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3834. bnx2x_cl45_write(bp, phy,
  3835. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3836. bnx2x_cl45_write(bp, phy,
  3837. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3838. /* BCM8705 doesn't have microcode, hence the 0 */
  3839. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3840. return 0;
  3841. }
  3842. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3843. struct link_params *params,
  3844. struct link_vars *vars)
  3845. {
  3846. u8 link_up = 0;
  3847. u16 val1, rx_sd;
  3848. struct bnx2x *bp = params->bp;
  3849. DP(NETIF_MSG_LINK, "read status 8705\n");
  3850. bnx2x_cl45_read(bp, phy,
  3851. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3852. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3853. bnx2x_cl45_read(bp, phy,
  3854. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3855. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3856. bnx2x_cl45_read(bp, phy,
  3857. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3858. bnx2x_cl45_read(bp, phy,
  3859. MDIO_PMA_DEVAD, 0xc809, &val1);
  3860. bnx2x_cl45_read(bp, phy,
  3861. MDIO_PMA_DEVAD, 0xc809, &val1);
  3862. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3863. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3864. if (link_up) {
  3865. vars->line_speed = SPEED_10000;
  3866. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3867. }
  3868. return link_up;
  3869. }
  3870. /******************************************************************/
  3871. /* SFP+ module Section */
  3872. /******************************************************************/
  3873. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3874. {
  3875. u8 gpio_port;
  3876. u32 swap_val, swap_override;
  3877. struct bnx2x *bp = params->bp;
  3878. if (CHIP_IS_E2(bp))
  3879. gpio_port = BP_PATH(bp);
  3880. else
  3881. gpio_port = params->port;
  3882. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3883. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3884. return gpio_port ^ (swap_val && swap_override);
  3885. }
  3886. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3887. struct bnx2x_phy *phy,
  3888. u8 tx_en)
  3889. {
  3890. u16 val;
  3891. u8 port = params->port;
  3892. struct bnx2x *bp = params->bp;
  3893. u32 tx_en_mode;
  3894. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3895. tx_en_mode = REG_RD(bp, params->shmem_base +
  3896. offsetof(struct shmem_region,
  3897. dev_info.port_hw_config[port].sfp_ctrl)) &
  3898. PORT_HW_CFG_TX_LASER_MASK;
  3899. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3900. "mode = %x\n", tx_en, port, tx_en_mode);
  3901. switch (tx_en_mode) {
  3902. case PORT_HW_CFG_TX_LASER_MDIO:
  3903. bnx2x_cl45_read(bp, phy,
  3904. MDIO_PMA_DEVAD,
  3905. MDIO_PMA_REG_PHY_IDENTIFIER,
  3906. &val);
  3907. if (tx_en)
  3908. val &= ~(1<<15);
  3909. else
  3910. val |= (1<<15);
  3911. bnx2x_cl45_write(bp, phy,
  3912. MDIO_PMA_DEVAD,
  3913. MDIO_PMA_REG_PHY_IDENTIFIER,
  3914. val);
  3915. break;
  3916. case PORT_HW_CFG_TX_LASER_GPIO0:
  3917. case PORT_HW_CFG_TX_LASER_GPIO1:
  3918. case PORT_HW_CFG_TX_LASER_GPIO2:
  3919. case PORT_HW_CFG_TX_LASER_GPIO3:
  3920. {
  3921. u16 gpio_pin;
  3922. u8 gpio_port, gpio_mode;
  3923. if (tx_en)
  3924. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3925. else
  3926. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3927. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3928. gpio_port = bnx2x_get_gpio_port(params);
  3929. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3930. break;
  3931. }
  3932. default:
  3933. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3934. break;
  3935. }
  3936. }
  3937. static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3938. struct link_params *params,
  3939. u16 addr, u8 byte_cnt, u8 *o_buf)
  3940. {
  3941. struct bnx2x *bp = params->bp;
  3942. u16 val = 0;
  3943. u16 i;
  3944. if (byte_cnt > 16) {
  3945. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  3946. " is limited to 0xf\n");
  3947. return -EINVAL;
  3948. }
  3949. /* Set the read command byte count */
  3950. bnx2x_cl45_write(bp, phy,
  3951. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  3952. (byte_cnt | 0xa000));
  3953. /* Set the read command address */
  3954. bnx2x_cl45_write(bp, phy,
  3955. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  3956. addr);
  3957. /* Activate read command */
  3958. bnx2x_cl45_write(bp, phy,
  3959. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  3960. 0x2c0f);
  3961. /* Wait up to 500us for command complete status */
  3962. for (i = 0; i < 100; i++) {
  3963. bnx2x_cl45_read(bp, phy,
  3964. MDIO_PMA_DEVAD,
  3965. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3966. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3967. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  3968. break;
  3969. udelay(5);
  3970. }
  3971. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  3972. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  3973. DP(NETIF_MSG_LINK,
  3974. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  3975. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  3976. return -EINVAL;
  3977. }
  3978. /* Read the buffer */
  3979. for (i = 0; i < byte_cnt; i++) {
  3980. bnx2x_cl45_read(bp, phy,
  3981. MDIO_PMA_DEVAD,
  3982. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  3983. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  3984. }
  3985. for (i = 0; i < 100; i++) {
  3986. bnx2x_cl45_read(bp, phy,
  3987. MDIO_PMA_DEVAD,
  3988. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3989. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3990. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  3991. return 0;
  3992. msleep(1);
  3993. }
  3994. return -EINVAL;
  3995. }
  3996. static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3997. struct link_params *params,
  3998. u16 addr, u8 byte_cnt, u8 *o_buf)
  3999. {
  4000. struct bnx2x *bp = params->bp;
  4001. u16 val, i;
  4002. if (byte_cnt > 16) {
  4003. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4004. " is limited to 0xf\n");
  4005. return -EINVAL;
  4006. }
  4007. /* Need to read from 1.8000 to clear it */
  4008. bnx2x_cl45_read(bp, phy,
  4009. MDIO_PMA_DEVAD,
  4010. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4011. &val);
  4012. /* Set the read command byte count */
  4013. bnx2x_cl45_write(bp, phy,
  4014. MDIO_PMA_DEVAD,
  4015. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4016. ((byte_cnt < 2) ? 2 : byte_cnt));
  4017. /* Set the read command address */
  4018. bnx2x_cl45_write(bp, phy,
  4019. MDIO_PMA_DEVAD,
  4020. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4021. addr);
  4022. /* Set the destination address */
  4023. bnx2x_cl45_write(bp, phy,
  4024. MDIO_PMA_DEVAD,
  4025. 0x8004,
  4026. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4027. /* Activate read command */
  4028. bnx2x_cl45_write(bp, phy,
  4029. MDIO_PMA_DEVAD,
  4030. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4031. 0x8002);
  4032. /*
  4033. * Wait appropriate time for two-wire command to finish before
  4034. * polling the status register
  4035. */
  4036. msleep(1);
  4037. /* Wait up to 500us for command complete status */
  4038. for (i = 0; i < 100; i++) {
  4039. bnx2x_cl45_read(bp, phy,
  4040. MDIO_PMA_DEVAD,
  4041. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4042. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4043. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4044. break;
  4045. udelay(5);
  4046. }
  4047. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4048. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4049. DP(NETIF_MSG_LINK,
  4050. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4051. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4052. return -EFAULT;
  4053. }
  4054. /* Read the buffer */
  4055. for (i = 0; i < byte_cnt; i++) {
  4056. bnx2x_cl45_read(bp, phy,
  4057. MDIO_PMA_DEVAD,
  4058. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4059. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4060. }
  4061. for (i = 0; i < 100; i++) {
  4062. bnx2x_cl45_read(bp, phy,
  4063. MDIO_PMA_DEVAD,
  4064. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4065. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4066. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4067. return 0;
  4068. msleep(1);
  4069. }
  4070. return -EINVAL;
  4071. }
  4072. u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4073. struct link_params *params, u16 addr,
  4074. u8 byte_cnt, u8 *o_buf)
  4075. {
  4076. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
  4077. return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4078. byte_cnt, o_buf);
  4079. else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
  4080. return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4081. byte_cnt, o_buf);
  4082. return -EINVAL;
  4083. }
  4084. static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4085. struct link_params *params,
  4086. u16 *edc_mode)
  4087. {
  4088. struct bnx2x *bp = params->bp;
  4089. u8 val, check_limiting_mode = 0;
  4090. *edc_mode = EDC_MODE_LIMITING;
  4091. /* First check for copper cable */
  4092. if (bnx2x_read_sfp_module_eeprom(phy,
  4093. params,
  4094. SFP_EEPROM_CON_TYPE_ADDR,
  4095. 1,
  4096. &val) != 0) {
  4097. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4098. return -EINVAL;
  4099. }
  4100. switch (val) {
  4101. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4102. {
  4103. u8 copper_module_type;
  4104. /*
  4105. * Check if its active cable (includes SFP+ module)
  4106. * of passive cable
  4107. */
  4108. if (bnx2x_read_sfp_module_eeprom(phy,
  4109. params,
  4110. SFP_EEPROM_FC_TX_TECH_ADDR,
  4111. 1,
  4112. &copper_module_type) !=
  4113. 0) {
  4114. DP(NETIF_MSG_LINK,
  4115. "Failed to read copper-cable-type"
  4116. " from SFP+ EEPROM\n");
  4117. return -EINVAL;
  4118. }
  4119. if (copper_module_type &
  4120. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4121. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4122. check_limiting_mode = 1;
  4123. } else if (copper_module_type &
  4124. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4125. DP(NETIF_MSG_LINK, "Passive Copper"
  4126. " cable detected\n");
  4127. *edc_mode =
  4128. EDC_MODE_PASSIVE_DAC;
  4129. } else {
  4130. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4131. "type 0x%x !!!\n", copper_module_type);
  4132. return -EINVAL;
  4133. }
  4134. break;
  4135. }
  4136. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4137. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4138. check_limiting_mode = 1;
  4139. break;
  4140. default:
  4141. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4142. val);
  4143. return -EINVAL;
  4144. }
  4145. if (check_limiting_mode) {
  4146. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4147. if (bnx2x_read_sfp_module_eeprom(phy,
  4148. params,
  4149. SFP_EEPROM_OPTIONS_ADDR,
  4150. SFP_EEPROM_OPTIONS_SIZE,
  4151. options) != 0) {
  4152. DP(NETIF_MSG_LINK, "Failed to read Option"
  4153. " field from module EEPROM\n");
  4154. return -EINVAL;
  4155. }
  4156. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4157. *edc_mode = EDC_MODE_LINEAR;
  4158. else
  4159. *edc_mode = EDC_MODE_LIMITING;
  4160. }
  4161. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4162. return 0;
  4163. }
  4164. /*
  4165. * This function read the relevant field from the module (SFP+), and verify it
  4166. * is compliant with this board
  4167. */
  4168. static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4169. struct link_params *params)
  4170. {
  4171. struct bnx2x *bp = params->bp;
  4172. u32 val, cmd;
  4173. u32 fw_resp, fw_cmd_param;
  4174. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4175. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4176. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4177. val = REG_RD(bp, params->shmem_base +
  4178. offsetof(struct shmem_region, dev_info.
  4179. port_feature_config[params->port].config));
  4180. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4181. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4182. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4183. return 0;
  4184. }
  4185. if (params->feature_config_flags &
  4186. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4187. /* Use specific phy request */
  4188. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4189. } else if (params->feature_config_flags &
  4190. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4191. /* Use first phy request only in case of non-dual media*/
  4192. if (DUAL_MEDIA(params)) {
  4193. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4194. "verification\n");
  4195. return -EINVAL;
  4196. }
  4197. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4198. } else {
  4199. /* No support in OPT MDL detection */
  4200. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4201. "verification\n");
  4202. return -EINVAL;
  4203. }
  4204. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4205. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4206. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4207. DP(NETIF_MSG_LINK, "Approved module\n");
  4208. return 0;
  4209. }
  4210. /* format the warning message */
  4211. if (bnx2x_read_sfp_module_eeprom(phy,
  4212. params,
  4213. SFP_EEPROM_VENDOR_NAME_ADDR,
  4214. SFP_EEPROM_VENDOR_NAME_SIZE,
  4215. (u8 *)vendor_name))
  4216. vendor_name[0] = '\0';
  4217. else
  4218. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4219. if (bnx2x_read_sfp_module_eeprom(phy,
  4220. params,
  4221. SFP_EEPROM_PART_NO_ADDR,
  4222. SFP_EEPROM_PART_NO_SIZE,
  4223. (u8 *)vendor_pn))
  4224. vendor_pn[0] = '\0';
  4225. else
  4226. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4227. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4228. " Port %d from %s part number %s\n",
  4229. params->port, vendor_name, vendor_pn);
  4230. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4231. return -EINVAL;
  4232. }
  4233. static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4234. struct link_params *params)
  4235. {
  4236. u8 val;
  4237. struct bnx2x *bp = params->bp;
  4238. u16 timeout;
  4239. /*
  4240. * Initialization time after hot-plug may take up to 300ms for
  4241. * some phys type ( e.g. JDSU )
  4242. */
  4243. for (timeout = 0; timeout < 60; timeout++) {
  4244. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4245. == 0) {
  4246. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4247. "took %d ms\n", timeout * 5);
  4248. return 0;
  4249. }
  4250. msleep(5);
  4251. }
  4252. return -EINVAL;
  4253. }
  4254. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4255. struct bnx2x_phy *phy,
  4256. u8 is_power_up) {
  4257. /* Make sure GPIOs are not using for LED mode */
  4258. u16 val;
  4259. /*
  4260. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4261. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4262. * output
  4263. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4264. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4265. * where the 1st bit is the over-current(only input), and 2nd bit is
  4266. * for power( only output )
  4267. *
  4268. * In case of NOC feature is disabled and power is up, set GPIO control
  4269. * as input to enable listening of over-current indication
  4270. */
  4271. if (phy->flags & FLAGS_NOC)
  4272. return;
  4273. if (!(phy->flags &
  4274. FLAGS_NOC) && is_power_up)
  4275. val = (1<<4);
  4276. else
  4277. /*
  4278. * Set GPIO control to OUTPUT, and set the power bit
  4279. * to according to the is_power_up
  4280. */
  4281. val = ((!(is_power_up)) << 1);
  4282. bnx2x_cl45_write(bp, phy,
  4283. MDIO_PMA_DEVAD,
  4284. MDIO_PMA_REG_8727_GPIO_CTRL,
  4285. val);
  4286. }
  4287. static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4288. struct bnx2x_phy *phy,
  4289. u16 edc_mode)
  4290. {
  4291. u16 cur_limiting_mode;
  4292. bnx2x_cl45_read(bp, phy,
  4293. MDIO_PMA_DEVAD,
  4294. MDIO_PMA_REG_ROM_VER2,
  4295. &cur_limiting_mode);
  4296. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4297. cur_limiting_mode);
  4298. if (edc_mode == EDC_MODE_LIMITING) {
  4299. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4300. bnx2x_cl45_write(bp, phy,
  4301. MDIO_PMA_DEVAD,
  4302. MDIO_PMA_REG_ROM_VER2,
  4303. EDC_MODE_LIMITING);
  4304. } else { /* LRM mode ( default )*/
  4305. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4306. /*
  4307. * Changing to LRM mode takes quite few seconds. So do it only
  4308. * if current mode is limiting (default is LRM)
  4309. */
  4310. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4311. return 0;
  4312. bnx2x_cl45_write(bp, phy,
  4313. MDIO_PMA_DEVAD,
  4314. MDIO_PMA_REG_LRM_MODE,
  4315. 0);
  4316. bnx2x_cl45_write(bp, phy,
  4317. MDIO_PMA_DEVAD,
  4318. MDIO_PMA_REG_ROM_VER2,
  4319. 0x128);
  4320. bnx2x_cl45_write(bp, phy,
  4321. MDIO_PMA_DEVAD,
  4322. MDIO_PMA_REG_MISC_CTRL0,
  4323. 0x4008);
  4324. bnx2x_cl45_write(bp, phy,
  4325. MDIO_PMA_DEVAD,
  4326. MDIO_PMA_REG_LRM_MODE,
  4327. 0xaaaa);
  4328. }
  4329. return 0;
  4330. }
  4331. static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4332. struct bnx2x_phy *phy,
  4333. u16 edc_mode)
  4334. {
  4335. u16 phy_identifier;
  4336. u16 rom_ver2_val;
  4337. bnx2x_cl45_read(bp, phy,
  4338. MDIO_PMA_DEVAD,
  4339. MDIO_PMA_REG_PHY_IDENTIFIER,
  4340. &phy_identifier);
  4341. bnx2x_cl45_write(bp, phy,
  4342. MDIO_PMA_DEVAD,
  4343. MDIO_PMA_REG_PHY_IDENTIFIER,
  4344. (phy_identifier & ~(1<<9)));
  4345. bnx2x_cl45_read(bp, phy,
  4346. MDIO_PMA_DEVAD,
  4347. MDIO_PMA_REG_ROM_VER2,
  4348. &rom_ver2_val);
  4349. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4350. bnx2x_cl45_write(bp, phy,
  4351. MDIO_PMA_DEVAD,
  4352. MDIO_PMA_REG_ROM_VER2,
  4353. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4354. bnx2x_cl45_write(bp, phy,
  4355. MDIO_PMA_DEVAD,
  4356. MDIO_PMA_REG_PHY_IDENTIFIER,
  4357. (phy_identifier | (1<<9)));
  4358. return 0;
  4359. }
  4360. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4361. struct link_params *params,
  4362. u32 action)
  4363. {
  4364. struct bnx2x *bp = params->bp;
  4365. switch (action) {
  4366. case DISABLE_TX:
  4367. bnx2x_sfp_set_transmitter(params, phy, 0);
  4368. break;
  4369. case ENABLE_TX:
  4370. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4371. bnx2x_sfp_set_transmitter(params, phy, 1);
  4372. break;
  4373. default:
  4374. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4375. action);
  4376. return;
  4377. }
  4378. }
  4379. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4380. u8 gpio_mode)
  4381. {
  4382. struct bnx2x *bp = params->bp;
  4383. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4384. offsetof(struct shmem_region,
  4385. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4386. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4387. switch (fault_led_gpio) {
  4388. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4389. return;
  4390. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4391. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4392. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4393. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4394. {
  4395. u8 gpio_port = bnx2x_get_gpio_port(params);
  4396. u16 gpio_pin = fault_led_gpio -
  4397. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4398. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4399. "pin %x port %x mode %x\n",
  4400. gpio_pin, gpio_port, gpio_mode);
  4401. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4402. }
  4403. break;
  4404. default:
  4405. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4406. fault_led_gpio);
  4407. }
  4408. }
  4409. static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4410. struct link_params *params)
  4411. {
  4412. struct bnx2x *bp = params->bp;
  4413. u16 edc_mode;
  4414. u8 rc = 0;
  4415. u32 val = REG_RD(bp, params->shmem_base +
  4416. offsetof(struct shmem_region, dev_info.
  4417. port_feature_config[params->port].config));
  4418. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4419. params->port);
  4420. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4421. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4422. return -EINVAL;
  4423. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4424. /* check SFP+ module compatibility */
  4425. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4426. rc = -EINVAL;
  4427. /* Turn on fault module-detected led */
  4428. bnx2x_set_sfp_module_fault_led(params,
  4429. MISC_REGISTERS_GPIO_HIGH);
  4430. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
  4431. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4432. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
  4433. /* Shutdown SFP+ module */
  4434. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4435. bnx2x_8727_power_module(bp, phy, 0);
  4436. return rc;
  4437. }
  4438. } else {
  4439. /* Turn off fault module-detected led */
  4440. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4441. }
  4442. /* power up the SFP module */
  4443. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
  4444. bnx2x_8727_power_module(bp, phy, 1);
  4445. /*
  4446. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4447. * is done automatically
  4448. */
  4449. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
  4450. bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
  4451. else
  4452. bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
  4453. /*
  4454. * Enable transmit for this module if the module is approved, or
  4455. * if unapproved modules should also enable the Tx laser
  4456. */
  4457. if (rc == 0 ||
  4458. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4459. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4460. bnx2x_sfp_set_transmitter(params, phy, 1);
  4461. else
  4462. bnx2x_sfp_set_transmitter(params, phy, 0);
  4463. return rc;
  4464. }
  4465. void bnx2x_handle_module_detect_int(struct link_params *params)
  4466. {
  4467. struct bnx2x *bp = params->bp;
  4468. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4469. u32 gpio_val;
  4470. u8 port = params->port;
  4471. /* Set valid module led off */
  4472. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4473. /* Get current gpio val reflecting module plugged in / out*/
  4474. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4475. /* Call the handling function in case module is detected */
  4476. if (gpio_val == 0) {
  4477. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4478. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4479. port);
  4480. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4481. bnx2x_sfp_module_detection(phy, params);
  4482. else
  4483. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4484. } else {
  4485. u32 val = REG_RD(bp, params->shmem_base +
  4486. offsetof(struct shmem_region, dev_info.
  4487. port_feature_config[params->port].
  4488. config));
  4489. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4490. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4491. port);
  4492. /*
  4493. * Module was plugged out.
  4494. * Disable transmit for this module
  4495. */
  4496. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4497. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4498. bnx2x_sfp_set_transmitter(params, phy, 0);
  4499. }
  4500. }
  4501. /******************************************************************/
  4502. /* common BCM8706/BCM8726 PHY SECTION */
  4503. /******************************************************************/
  4504. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4505. struct link_params *params,
  4506. struct link_vars *vars)
  4507. {
  4508. u8 link_up = 0;
  4509. u16 val1, val2, rx_sd, pcs_status;
  4510. struct bnx2x *bp = params->bp;
  4511. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4512. /* Clear RX Alarm*/
  4513. bnx2x_cl45_read(bp, phy,
  4514. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4515. /* clear LASI indication*/
  4516. bnx2x_cl45_read(bp, phy,
  4517. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4518. bnx2x_cl45_read(bp, phy,
  4519. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4520. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4521. bnx2x_cl45_read(bp, phy,
  4522. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4523. bnx2x_cl45_read(bp, phy,
  4524. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4525. bnx2x_cl45_read(bp, phy,
  4526. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4527. bnx2x_cl45_read(bp, phy,
  4528. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4529. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4530. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4531. /*
  4532. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4533. * are set, or if the autoneg bit 1 is set
  4534. */
  4535. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4536. if (link_up) {
  4537. if (val2 & (1<<1))
  4538. vars->line_speed = SPEED_1000;
  4539. else
  4540. vars->line_speed = SPEED_10000;
  4541. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4542. vars->duplex = DUPLEX_FULL;
  4543. }
  4544. return link_up;
  4545. }
  4546. /******************************************************************/
  4547. /* BCM8706 PHY SECTION */
  4548. /******************************************************************/
  4549. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4550. struct link_params *params,
  4551. struct link_vars *vars)
  4552. {
  4553. u32 tx_en_mode;
  4554. u16 cnt, val, tmp1;
  4555. struct bnx2x *bp = params->bp;
  4556. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4557. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4558. /* HW reset */
  4559. bnx2x_ext_phy_hw_reset(bp, params->port);
  4560. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4561. bnx2x_wait_reset_complete(bp, phy, params);
  4562. /* Wait until fw is loaded */
  4563. for (cnt = 0; cnt < 100; cnt++) {
  4564. bnx2x_cl45_read(bp, phy,
  4565. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4566. if (val)
  4567. break;
  4568. msleep(10);
  4569. }
  4570. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4571. if ((params->feature_config_flags &
  4572. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4573. u8 i;
  4574. u16 reg;
  4575. for (i = 0; i < 4; i++) {
  4576. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4577. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4578. MDIO_XS_8706_REG_BANK_RX0);
  4579. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4580. /* Clear first 3 bits of the control */
  4581. val &= ~0x7;
  4582. /* Set control bits according to configuration */
  4583. val |= (phy->rx_preemphasis[i] & 0x7);
  4584. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4585. " reg 0x%x <-- val 0x%x\n", reg, val);
  4586. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4587. }
  4588. }
  4589. /* Force speed */
  4590. if (phy->req_line_speed == SPEED_10000) {
  4591. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4592. bnx2x_cl45_write(bp, phy,
  4593. MDIO_PMA_DEVAD,
  4594. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4595. bnx2x_cl45_write(bp, phy,
  4596. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4597. } else {
  4598. /* Force 1Gbps using autoneg with 1G advertisment */
  4599. /* Allow CL37 through CL73 */
  4600. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4601. bnx2x_cl45_write(bp, phy,
  4602. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4603. /* Enable Full-Duplex advertisment on CL37 */
  4604. bnx2x_cl45_write(bp, phy,
  4605. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4606. /* Enable CL37 AN */
  4607. bnx2x_cl45_write(bp, phy,
  4608. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4609. /* 1G support */
  4610. bnx2x_cl45_write(bp, phy,
  4611. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4612. /* Enable clause 73 AN */
  4613. bnx2x_cl45_write(bp, phy,
  4614. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4615. bnx2x_cl45_write(bp, phy,
  4616. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4617. 0x0400);
  4618. bnx2x_cl45_write(bp, phy,
  4619. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4620. 0x0004);
  4621. }
  4622. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4623. /*
  4624. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4625. * power mode, if TX Laser is disabled
  4626. */
  4627. tx_en_mode = REG_RD(bp, params->shmem_base +
  4628. offsetof(struct shmem_region,
  4629. dev_info.port_hw_config[params->port].sfp_ctrl))
  4630. & PORT_HW_CFG_TX_LASER_MASK;
  4631. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4632. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4633. bnx2x_cl45_read(bp, phy,
  4634. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4635. tmp1 |= 0x1;
  4636. bnx2x_cl45_write(bp, phy,
  4637. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4638. }
  4639. return 0;
  4640. }
  4641. static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4642. struct link_params *params,
  4643. struct link_vars *vars)
  4644. {
  4645. return bnx2x_8706_8726_read_status(phy, params, vars);
  4646. }
  4647. /******************************************************************/
  4648. /* BCM8726 PHY SECTION */
  4649. /******************************************************************/
  4650. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4651. struct link_params *params)
  4652. {
  4653. struct bnx2x *bp = params->bp;
  4654. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4655. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4656. }
  4657. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4658. struct link_params *params)
  4659. {
  4660. struct bnx2x *bp = params->bp;
  4661. /* Need to wait 100ms after reset */
  4662. msleep(100);
  4663. /* Micro controller re-boot */
  4664. bnx2x_cl45_write(bp, phy,
  4665. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4666. /* Set soft reset */
  4667. bnx2x_cl45_write(bp, phy,
  4668. MDIO_PMA_DEVAD,
  4669. MDIO_PMA_REG_GEN_CTRL,
  4670. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4671. bnx2x_cl45_write(bp, phy,
  4672. MDIO_PMA_DEVAD,
  4673. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4674. bnx2x_cl45_write(bp, phy,
  4675. MDIO_PMA_DEVAD,
  4676. MDIO_PMA_REG_GEN_CTRL,
  4677. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4678. /* wait for 150ms for microcode load */
  4679. msleep(150);
  4680. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4681. bnx2x_cl45_write(bp, phy,
  4682. MDIO_PMA_DEVAD,
  4683. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4684. msleep(200);
  4685. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4686. }
  4687. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4688. struct link_params *params,
  4689. struct link_vars *vars)
  4690. {
  4691. struct bnx2x *bp = params->bp;
  4692. u16 val1;
  4693. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4694. if (link_up) {
  4695. bnx2x_cl45_read(bp, phy,
  4696. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4697. &val1);
  4698. if (val1 & (1<<15)) {
  4699. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4700. link_up = 0;
  4701. vars->line_speed = 0;
  4702. }
  4703. }
  4704. return link_up;
  4705. }
  4706. static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4707. struct link_params *params,
  4708. struct link_vars *vars)
  4709. {
  4710. struct bnx2x *bp = params->bp;
  4711. u32 val;
  4712. u32 swap_val, swap_override, aeu_gpio_mask, offset;
  4713. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4714. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4715. bnx2x_wait_reset_complete(bp, phy, params);
  4716. bnx2x_8726_external_rom_boot(phy, params);
  4717. /*
  4718. * Need to call module detected on initialization since the module
  4719. * detection triggered by actual module insertion might occur before
  4720. * driver is loaded, and when driver is loaded, it reset all
  4721. * registers, including the transmitter
  4722. */
  4723. bnx2x_sfp_module_detection(phy, params);
  4724. if (phy->req_line_speed == SPEED_1000) {
  4725. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4726. bnx2x_cl45_write(bp, phy,
  4727. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4728. bnx2x_cl45_write(bp, phy,
  4729. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4730. bnx2x_cl45_write(bp, phy,
  4731. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4732. bnx2x_cl45_write(bp, phy,
  4733. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4734. 0x400);
  4735. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4736. (phy->speed_cap_mask &
  4737. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4738. ((phy->speed_cap_mask &
  4739. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4740. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4741. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4742. /* Set Flow control */
  4743. bnx2x_ext_phy_set_pause(params, phy, vars);
  4744. bnx2x_cl45_write(bp, phy,
  4745. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4746. bnx2x_cl45_write(bp, phy,
  4747. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4748. bnx2x_cl45_write(bp, phy,
  4749. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4750. bnx2x_cl45_write(bp, phy,
  4751. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4752. bnx2x_cl45_write(bp, phy,
  4753. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4754. /*
  4755. * Enable RX-ALARM control to receive interrupt for 1G speed
  4756. * change
  4757. */
  4758. bnx2x_cl45_write(bp, phy,
  4759. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4760. bnx2x_cl45_write(bp, phy,
  4761. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4762. 0x400);
  4763. } else { /* Default 10G. Set only LASI control */
  4764. bnx2x_cl45_write(bp, phy,
  4765. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4766. }
  4767. /* Set TX PreEmphasis if needed */
  4768. if ((params->feature_config_flags &
  4769. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4770. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4771. "TX_CTRL2 0x%x\n",
  4772. phy->tx_preemphasis[0],
  4773. phy->tx_preemphasis[1]);
  4774. bnx2x_cl45_write(bp, phy,
  4775. MDIO_PMA_DEVAD,
  4776. MDIO_PMA_REG_8726_TX_CTRL1,
  4777. phy->tx_preemphasis[0]);
  4778. bnx2x_cl45_write(bp, phy,
  4779. MDIO_PMA_DEVAD,
  4780. MDIO_PMA_REG_8726_TX_CTRL2,
  4781. phy->tx_preemphasis[1]);
  4782. }
  4783. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  4784. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  4785. MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
  4786. /* The GPIO should be swapped if the swap register is set and active */
  4787. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4788. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4789. /* Select function upon port-swap configuration */
  4790. if (params->port == 0) {
  4791. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  4792. aeu_gpio_mask = (swap_val && swap_override) ?
  4793. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
  4794. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
  4795. } else {
  4796. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  4797. aeu_gpio_mask = (swap_val && swap_override) ?
  4798. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
  4799. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
  4800. }
  4801. val = REG_RD(bp, offset);
  4802. /* add GPIO3 to group */
  4803. val |= aeu_gpio_mask;
  4804. REG_WR(bp, offset, val);
  4805. return 0;
  4806. }
  4807. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4808. struct link_params *params)
  4809. {
  4810. struct bnx2x *bp = params->bp;
  4811. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4812. /* Set serial boot control for external load */
  4813. bnx2x_cl45_write(bp, phy,
  4814. MDIO_PMA_DEVAD,
  4815. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4816. }
  4817. /******************************************************************/
  4818. /* BCM8727 PHY SECTION */
  4819. /******************************************************************/
  4820. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4821. struct link_params *params, u8 mode)
  4822. {
  4823. struct bnx2x *bp = params->bp;
  4824. u16 led_mode_bitmask = 0;
  4825. u16 gpio_pins_bitmask = 0;
  4826. u16 val;
  4827. /* Only NOC flavor requires to set the LED specifically */
  4828. if (!(phy->flags & FLAGS_NOC))
  4829. return;
  4830. switch (mode) {
  4831. case LED_MODE_FRONT_PANEL_OFF:
  4832. case LED_MODE_OFF:
  4833. led_mode_bitmask = 0;
  4834. gpio_pins_bitmask = 0x03;
  4835. break;
  4836. case LED_MODE_ON:
  4837. led_mode_bitmask = 0;
  4838. gpio_pins_bitmask = 0x02;
  4839. break;
  4840. case LED_MODE_OPER:
  4841. led_mode_bitmask = 0x60;
  4842. gpio_pins_bitmask = 0x11;
  4843. break;
  4844. }
  4845. bnx2x_cl45_read(bp, phy,
  4846. MDIO_PMA_DEVAD,
  4847. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4848. &val);
  4849. val &= 0xff8f;
  4850. val |= led_mode_bitmask;
  4851. bnx2x_cl45_write(bp, phy,
  4852. MDIO_PMA_DEVAD,
  4853. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4854. val);
  4855. bnx2x_cl45_read(bp, phy,
  4856. MDIO_PMA_DEVAD,
  4857. MDIO_PMA_REG_8727_GPIO_CTRL,
  4858. &val);
  4859. val &= 0xffe0;
  4860. val |= gpio_pins_bitmask;
  4861. bnx2x_cl45_write(bp, phy,
  4862. MDIO_PMA_DEVAD,
  4863. MDIO_PMA_REG_8727_GPIO_CTRL,
  4864. val);
  4865. }
  4866. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4867. struct link_params *params) {
  4868. u32 swap_val, swap_override;
  4869. u8 port;
  4870. /*
  4871. * The PHY reset is controlled by GPIO 1. Fake the port number
  4872. * to cancel the swap done in set_gpio()
  4873. */
  4874. struct bnx2x *bp = params->bp;
  4875. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4876. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4877. port = (swap_val && swap_override) ^ 1;
  4878. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  4879. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  4880. }
  4881. static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
  4882. struct link_params *params,
  4883. struct link_vars *vars)
  4884. {
  4885. u32 tx_en_mode;
  4886. u16 tmp1, val, mod_abs, tmp2;
  4887. u16 rx_alarm_ctrl_val;
  4888. u16 lasi_ctrl_val;
  4889. struct bnx2x *bp = params->bp;
  4890. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  4891. bnx2x_wait_reset_complete(bp, phy, params);
  4892. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  4893. lasi_ctrl_val = 0x0004;
  4894. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  4895. /* enable LASI */
  4896. bnx2x_cl45_write(bp, phy,
  4897. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4898. rx_alarm_ctrl_val);
  4899. bnx2x_cl45_write(bp, phy,
  4900. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  4901. /*
  4902. * Initially configure MOD_ABS to interrupt when module is
  4903. * presence( bit 8)
  4904. */
  4905. bnx2x_cl45_read(bp, phy,
  4906. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  4907. /*
  4908. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  4909. * When the EDC is off it locks onto a reference clock and avoids
  4910. * becoming 'lost'
  4911. */
  4912. mod_abs &= ~(1<<8);
  4913. if (!(phy->flags & FLAGS_NOC))
  4914. mod_abs &= ~(1<<9);
  4915. bnx2x_cl45_write(bp, phy,
  4916. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  4917. /* Make MOD_ABS give interrupt on change */
  4918. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4919. &val);
  4920. val |= (1<<12);
  4921. if (phy->flags & FLAGS_NOC)
  4922. val |= (3<<5);
  4923. /*
  4924. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  4925. * status which reflect SFP+ module over-current
  4926. */
  4927. if (!(phy->flags & FLAGS_NOC))
  4928. val &= 0xff8f; /* Reset bits 4-6 */
  4929. bnx2x_cl45_write(bp, phy,
  4930. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  4931. bnx2x_8727_power_module(bp, phy, 1);
  4932. bnx2x_cl45_read(bp, phy,
  4933. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  4934. bnx2x_cl45_read(bp, phy,
  4935. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  4936. /* Set option 1G speed */
  4937. if (phy->req_line_speed == SPEED_1000) {
  4938. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4939. bnx2x_cl45_write(bp, phy,
  4940. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4941. bnx2x_cl45_write(bp, phy,
  4942. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4943. bnx2x_cl45_read(bp, phy,
  4944. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  4945. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  4946. /*
  4947. * Power down the XAUI until link is up in case of dual-media
  4948. * and 1G
  4949. */
  4950. if (DUAL_MEDIA(params)) {
  4951. bnx2x_cl45_read(bp, phy,
  4952. MDIO_PMA_DEVAD,
  4953. MDIO_PMA_REG_8727_PCS_GP, &val);
  4954. val |= (3<<10);
  4955. bnx2x_cl45_write(bp, phy,
  4956. MDIO_PMA_DEVAD,
  4957. MDIO_PMA_REG_8727_PCS_GP, val);
  4958. }
  4959. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4960. ((phy->speed_cap_mask &
  4961. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  4962. ((phy->speed_cap_mask &
  4963. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4964. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4965. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4966. bnx2x_cl45_write(bp, phy,
  4967. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  4968. bnx2x_cl45_write(bp, phy,
  4969. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  4970. } else {
  4971. /*
  4972. * Since the 8727 has only single reset pin, need to set the 10G
  4973. * registers although it is default
  4974. */
  4975. bnx2x_cl45_write(bp, phy,
  4976. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  4977. 0x0020);
  4978. bnx2x_cl45_write(bp, phy,
  4979. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  4980. bnx2x_cl45_write(bp, phy,
  4981. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  4982. bnx2x_cl45_write(bp, phy,
  4983. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  4984. 0x0008);
  4985. }
  4986. /*
  4987. * Set 2-wire transfer rate of SFP+ module EEPROM
  4988. * to 100Khz since some DACs(direct attached cables) do
  4989. * not work at 400Khz.
  4990. */
  4991. bnx2x_cl45_write(bp, phy,
  4992. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  4993. 0xa001);
  4994. /* Set TX PreEmphasis if needed */
  4995. if ((params->feature_config_flags &
  4996. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4997. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  4998. phy->tx_preemphasis[0],
  4999. phy->tx_preemphasis[1]);
  5000. bnx2x_cl45_write(bp, phy,
  5001. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5002. phy->tx_preemphasis[0]);
  5003. bnx2x_cl45_write(bp, phy,
  5004. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5005. phy->tx_preemphasis[1]);
  5006. }
  5007. /*
  5008. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5009. * power mode, if TX Laser is disabled
  5010. */
  5011. tx_en_mode = REG_RD(bp, params->shmem_base +
  5012. offsetof(struct shmem_region,
  5013. dev_info.port_hw_config[params->port].sfp_ctrl))
  5014. & PORT_HW_CFG_TX_LASER_MASK;
  5015. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5016. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5017. bnx2x_cl45_read(bp, phy,
  5018. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5019. tmp2 |= 0x1000;
  5020. tmp2 &= 0xFFEF;
  5021. bnx2x_cl45_write(bp, phy,
  5022. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5023. }
  5024. return 0;
  5025. }
  5026. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5027. struct link_params *params)
  5028. {
  5029. struct bnx2x *bp = params->bp;
  5030. u16 mod_abs, rx_alarm_status;
  5031. u32 val = REG_RD(bp, params->shmem_base +
  5032. offsetof(struct shmem_region, dev_info.
  5033. port_feature_config[params->port].
  5034. config));
  5035. bnx2x_cl45_read(bp, phy,
  5036. MDIO_PMA_DEVAD,
  5037. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5038. if (mod_abs & (1<<8)) {
  5039. /* Module is absent */
  5040. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5041. "show module is absent\n");
  5042. /*
  5043. * 1. Set mod_abs to detect next module
  5044. * presence event
  5045. * 2. Set EDC off by setting OPTXLOS signal input to low
  5046. * (bit 9).
  5047. * When the EDC is off it locks onto a reference clock and
  5048. * avoids becoming 'lost'.
  5049. */
  5050. mod_abs &= ~(1<<8);
  5051. if (!(phy->flags & FLAGS_NOC))
  5052. mod_abs &= ~(1<<9);
  5053. bnx2x_cl45_write(bp, phy,
  5054. MDIO_PMA_DEVAD,
  5055. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5056. /*
  5057. * Clear RX alarm since it stays up as long as
  5058. * the mod_abs wasn't changed
  5059. */
  5060. bnx2x_cl45_read(bp, phy,
  5061. MDIO_PMA_DEVAD,
  5062. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5063. } else {
  5064. /* Module is present */
  5065. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5066. "show module is present\n");
  5067. /*
  5068. * First disable transmitter, and if the module is ok, the
  5069. * module_detection will enable it
  5070. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5071. * 2. Restore the default polarity of the OPRXLOS signal and
  5072. * this signal will then correctly indicate the presence or
  5073. * absence of the Rx signal. (bit 9)
  5074. */
  5075. mod_abs |= (1<<8);
  5076. if (!(phy->flags & FLAGS_NOC))
  5077. mod_abs |= (1<<9);
  5078. bnx2x_cl45_write(bp, phy,
  5079. MDIO_PMA_DEVAD,
  5080. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5081. /*
  5082. * Clear RX alarm since it stays up as long as the mod_abs
  5083. * wasn't changed. This is need to be done before calling the
  5084. * module detection, otherwise it will clear* the link update
  5085. * alarm
  5086. */
  5087. bnx2x_cl45_read(bp, phy,
  5088. MDIO_PMA_DEVAD,
  5089. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5090. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5091. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5092. bnx2x_sfp_set_transmitter(params, phy, 0);
  5093. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5094. bnx2x_sfp_module_detection(phy, params);
  5095. else
  5096. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5097. }
  5098. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5099. rx_alarm_status);
  5100. /* No need to check link status in case of module plugged in/out */
  5101. }
  5102. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5103. struct link_params *params,
  5104. struct link_vars *vars)
  5105. {
  5106. struct bnx2x *bp = params->bp;
  5107. u8 link_up = 0;
  5108. u16 link_status = 0;
  5109. u16 rx_alarm_status, lasi_ctrl, val1;
  5110. /* If PHY is not initialized, do not check link status */
  5111. bnx2x_cl45_read(bp, phy,
  5112. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5113. &lasi_ctrl);
  5114. if (!lasi_ctrl)
  5115. return 0;
  5116. /* Check the LASI */
  5117. bnx2x_cl45_read(bp, phy,
  5118. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5119. &rx_alarm_status);
  5120. vars->line_speed = 0;
  5121. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5122. bnx2x_cl45_read(bp, phy,
  5123. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5124. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5125. /* Clear MSG-OUT */
  5126. bnx2x_cl45_read(bp, phy,
  5127. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5128. /*
  5129. * If a module is present and there is need to check
  5130. * for over current
  5131. */
  5132. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5133. /* Check over-current using 8727 GPIO0 input*/
  5134. bnx2x_cl45_read(bp, phy,
  5135. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5136. &val1);
  5137. if ((val1 & (1<<8)) == 0) {
  5138. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5139. " on port %d\n", params->port);
  5140. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5141. " been detected and the power to "
  5142. "that SFP+ module has been removed"
  5143. " to prevent failure of the card."
  5144. " Please remove the SFP+ module and"
  5145. " restart the system to clear this"
  5146. " error.\n",
  5147. params->port);
  5148. /* Disable all RX_ALARMs except for mod_abs */
  5149. bnx2x_cl45_write(bp, phy,
  5150. MDIO_PMA_DEVAD,
  5151. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5152. bnx2x_cl45_read(bp, phy,
  5153. MDIO_PMA_DEVAD,
  5154. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5155. /* Wait for module_absent_event */
  5156. val1 |= (1<<8);
  5157. bnx2x_cl45_write(bp, phy,
  5158. MDIO_PMA_DEVAD,
  5159. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5160. /* Clear RX alarm */
  5161. bnx2x_cl45_read(bp, phy,
  5162. MDIO_PMA_DEVAD,
  5163. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5164. return 0;
  5165. }
  5166. } /* Over current check */
  5167. /* When module absent bit is set, check module */
  5168. if (rx_alarm_status & (1<<5)) {
  5169. bnx2x_8727_handle_mod_abs(phy, params);
  5170. /* Enable all mod_abs and link detection bits */
  5171. bnx2x_cl45_write(bp, phy,
  5172. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5173. ((1<<5) | (1<<2)));
  5174. }
  5175. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5176. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5177. /* If transmitter is disabled, ignore false link up indication */
  5178. bnx2x_cl45_read(bp, phy,
  5179. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5180. if (val1 & (1<<15)) {
  5181. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5182. return 0;
  5183. }
  5184. bnx2x_cl45_read(bp, phy,
  5185. MDIO_PMA_DEVAD,
  5186. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5187. /*
  5188. * Bits 0..2 --> speed detected,
  5189. * Bits 13..15--> link is down
  5190. */
  5191. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5192. link_up = 1;
  5193. vars->line_speed = SPEED_10000;
  5194. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5195. params->port);
  5196. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5197. link_up = 1;
  5198. vars->line_speed = SPEED_1000;
  5199. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5200. params->port);
  5201. } else {
  5202. link_up = 0;
  5203. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5204. params->port);
  5205. }
  5206. if (link_up) {
  5207. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5208. vars->duplex = DUPLEX_FULL;
  5209. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5210. }
  5211. if ((DUAL_MEDIA(params)) &&
  5212. (phy->req_line_speed == SPEED_1000)) {
  5213. bnx2x_cl45_read(bp, phy,
  5214. MDIO_PMA_DEVAD,
  5215. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5216. /*
  5217. * In case of dual-media board and 1G, power up the XAUI side,
  5218. * otherwise power it down. For 10G it is done automatically
  5219. */
  5220. if (link_up)
  5221. val1 &= ~(3<<10);
  5222. else
  5223. val1 |= (3<<10);
  5224. bnx2x_cl45_write(bp, phy,
  5225. MDIO_PMA_DEVAD,
  5226. MDIO_PMA_REG_8727_PCS_GP, val1);
  5227. }
  5228. return link_up;
  5229. }
  5230. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5231. struct link_params *params)
  5232. {
  5233. struct bnx2x *bp = params->bp;
  5234. /* Disable Transmitter */
  5235. bnx2x_sfp_set_transmitter(params, phy, 0);
  5236. /* Clear LASI */
  5237. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5238. }
  5239. /******************************************************************/
  5240. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5241. /******************************************************************/
  5242. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5243. struct link_params *params)
  5244. {
  5245. u16 val, fw_ver1, fw_ver2, cnt, adj;
  5246. struct bnx2x *bp = params->bp;
  5247. adj = 0;
  5248. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5249. adj = -1;
  5250. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5251. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5252. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014);
  5253. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5254. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000);
  5255. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300);
  5256. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009);
  5257. for (cnt = 0; cnt < 100; cnt++) {
  5258. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5259. if (val & 1)
  5260. break;
  5261. udelay(5);
  5262. }
  5263. if (cnt == 100) {
  5264. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5265. bnx2x_save_spirom_version(bp, params->port, 0,
  5266. phy->ver_addr);
  5267. return;
  5268. }
  5269. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5270. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000);
  5271. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5272. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A);
  5273. for (cnt = 0; cnt < 100; cnt++) {
  5274. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5275. if (val & 1)
  5276. break;
  5277. udelay(5);
  5278. }
  5279. if (cnt == 100) {
  5280. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5281. bnx2x_save_spirom_version(bp, params->port, 0,
  5282. phy->ver_addr);
  5283. return;
  5284. }
  5285. /* lower 16 bits of the register SPI_FW_STATUS */
  5286. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1);
  5287. /* upper 16 bits of register SPI_FW_STATUS */
  5288. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2);
  5289. bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
  5290. phy->ver_addr);
  5291. }
  5292. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5293. struct bnx2x_phy *phy)
  5294. {
  5295. u16 val, adj;
  5296. adj = 0;
  5297. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5298. adj = -1;
  5299. /* PHYC_CTL_LED_CTL */
  5300. bnx2x_cl45_read(bp, phy,
  5301. MDIO_PMA_DEVAD,
  5302. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val);
  5303. val &= 0xFE00;
  5304. val |= 0x0092;
  5305. bnx2x_cl45_write(bp, phy,
  5306. MDIO_PMA_DEVAD,
  5307. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val);
  5308. bnx2x_cl45_write(bp, phy,
  5309. MDIO_PMA_DEVAD,
  5310. MDIO_PMA_REG_8481_LED1_MASK + adj,
  5311. 0x80);
  5312. bnx2x_cl45_write(bp, phy,
  5313. MDIO_PMA_DEVAD,
  5314. MDIO_PMA_REG_8481_LED2_MASK + adj,
  5315. 0x18);
  5316. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5317. bnx2x_cl45_write(bp, phy,
  5318. MDIO_PMA_DEVAD,
  5319. MDIO_PMA_REG_8481_LED3_MASK + adj,
  5320. 0x0006);
  5321. /* Select the closest activity blink rate to that in 10/100/1000 */
  5322. bnx2x_cl45_write(bp, phy,
  5323. MDIO_PMA_DEVAD,
  5324. MDIO_PMA_REG_8481_LED3_BLINK + adj,
  5325. 0);
  5326. bnx2x_cl45_read(bp, phy,
  5327. MDIO_PMA_DEVAD,
  5328. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val);
  5329. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5330. bnx2x_cl45_write(bp, phy,
  5331. MDIO_PMA_DEVAD,
  5332. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val);
  5333. /* 'Interrupt Mask' */
  5334. bnx2x_cl45_write(bp, phy,
  5335. MDIO_AN_DEVAD,
  5336. 0xFFFB, 0xFFFD);
  5337. }
  5338. static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5339. struct link_params *params,
  5340. struct link_vars *vars)
  5341. {
  5342. struct bnx2x *bp = params->bp;
  5343. u16 autoneg_val, an_1000_val, an_10_100_val;
  5344. /*
  5345. * This phy uses the NIG latch mechanism since link indication
  5346. * arrives through its LED4 and not via its LASI signal, so we
  5347. * get steady signal instead of clear on read
  5348. */
  5349. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5350. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5351. bnx2x_cl45_write(bp, phy,
  5352. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5353. bnx2x_848xx_set_led(bp, phy);
  5354. /* set 1000 speed advertisement */
  5355. bnx2x_cl45_read(bp, phy,
  5356. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5357. &an_1000_val);
  5358. bnx2x_ext_phy_set_pause(params, phy, vars);
  5359. bnx2x_cl45_read(bp, phy,
  5360. MDIO_AN_DEVAD,
  5361. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5362. &an_10_100_val);
  5363. bnx2x_cl45_read(bp, phy,
  5364. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5365. &autoneg_val);
  5366. /* Disable forced speed */
  5367. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5368. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5369. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5370. (phy->speed_cap_mask &
  5371. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5372. (phy->req_line_speed == SPEED_1000)) {
  5373. an_1000_val |= (1<<8);
  5374. autoneg_val |= (1<<9 | 1<<12);
  5375. if (phy->req_duplex == DUPLEX_FULL)
  5376. an_1000_val |= (1<<9);
  5377. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5378. } else
  5379. an_1000_val &= ~((1<<8) | (1<<9));
  5380. bnx2x_cl45_write(bp, phy,
  5381. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5382. an_1000_val);
  5383. /* set 10 speed advertisement */
  5384. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5385. (phy->speed_cap_mask &
  5386. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5387. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5388. an_10_100_val |= (1<<7);
  5389. /* Enable autoneg and restart autoneg for legacy speeds */
  5390. autoneg_val |= (1<<9 | 1<<12);
  5391. if (phy->req_duplex == DUPLEX_FULL)
  5392. an_10_100_val |= (1<<8);
  5393. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5394. }
  5395. /* set 10 speed advertisement */
  5396. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5397. (phy->speed_cap_mask &
  5398. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5399. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5400. an_10_100_val |= (1<<5);
  5401. autoneg_val |= (1<<9 | 1<<12);
  5402. if (phy->req_duplex == DUPLEX_FULL)
  5403. an_10_100_val |= (1<<6);
  5404. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5405. }
  5406. /* Only 10/100 are allowed to work in FORCE mode */
  5407. if (phy->req_line_speed == SPEED_100) {
  5408. autoneg_val |= (1<<13);
  5409. /* Enabled AUTO-MDIX when autoneg is disabled */
  5410. bnx2x_cl45_write(bp, phy,
  5411. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5412. (1<<15 | 1<<9 | 7<<0));
  5413. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5414. }
  5415. if (phy->req_line_speed == SPEED_10) {
  5416. /* Enabled AUTO-MDIX when autoneg is disabled */
  5417. bnx2x_cl45_write(bp, phy,
  5418. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5419. (1<<15 | 1<<9 | 7<<0));
  5420. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5421. }
  5422. bnx2x_cl45_write(bp, phy,
  5423. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5424. an_10_100_val);
  5425. if (phy->req_duplex == DUPLEX_FULL)
  5426. autoneg_val |= (1<<8);
  5427. bnx2x_cl45_write(bp, phy,
  5428. MDIO_AN_DEVAD,
  5429. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5430. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5431. (phy->speed_cap_mask &
  5432. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5433. (phy->req_line_speed == SPEED_10000)) {
  5434. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5435. /* Restart autoneg for 10G*/
  5436. bnx2x_cl45_write(bp, phy,
  5437. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5438. 0x3200);
  5439. } else if (phy->req_line_speed != SPEED_10 &&
  5440. phy->req_line_speed != SPEED_100) {
  5441. bnx2x_cl45_write(bp, phy,
  5442. MDIO_AN_DEVAD,
  5443. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5444. 1);
  5445. }
  5446. /* Save spirom version */
  5447. bnx2x_save_848xx_spirom_version(phy, params);
  5448. return 0;
  5449. }
  5450. static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5451. struct link_params *params,
  5452. struct link_vars *vars)
  5453. {
  5454. struct bnx2x *bp = params->bp;
  5455. /* Restore normal power mode*/
  5456. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5457. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5458. /* HW reset */
  5459. bnx2x_ext_phy_hw_reset(bp, params->port);
  5460. bnx2x_wait_reset_complete(bp, phy, params);
  5461. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5462. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5463. }
  5464. static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5465. struct link_params *params,
  5466. struct link_vars *vars)
  5467. {
  5468. struct bnx2x *bp = params->bp;
  5469. u8 port, initialize = 1;
  5470. u16 val, adj;
  5471. u16 temp;
  5472. u32 actual_phy_selection, cms_enable;
  5473. u8 rc = 0;
  5474. /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
  5475. adj = 0;
  5476. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5477. adj = 3;
  5478. msleep(1);
  5479. if (CHIP_IS_E2(bp))
  5480. port = BP_PATH(bp);
  5481. else
  5482. port = params->port;
  5483. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5484. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5485. port);
  5486. bnx2x_wait_reset_complete(bp, phy, params);
  5487. /* Wait for GPHY to come out of reset */
  5488. msleep(50);
  5489. /*
  5490. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5491. */
  5492. temp = vars->line_speed;
  5493. vars->line_speed = SPEED_10000;
  5494. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5495. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5496. vars->line_speed = temp;
  5497. /* Set dual-media configuration according to configuration */
  5498. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5499. MDIO_CTL_REG_84823_MEDIA + adj, &val);
  5500. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5501. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5502. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5503. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5504. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5505. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5506. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5507. actual_phy_selection = bnx2x_phy_selection(params);
  5508. switch (actual_phy_selection) {
  5509. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5510. /* Do nothing. Essentialy this is like the priority copper */
  5511. break;
  5512. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5513. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5514. break;
  5515. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5516. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5517. break;
  5518. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5519. /* Do nothing here. The first PHY won't be initialized at all */
  5520. break;
  5521. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5522. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5523. initialize = 0;
  5524. break;
  5525. }
  5526. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5527. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5528. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5529. MDIO_CTL_REG_84823_MEDIA + adj, val);
  5530. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5531. params->multi_phy_config, val);
  5532. if (initialize)
  5533. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5534. else
  5535. bnx2x_save_848xx_spirom_version(phy, params);
  5536. cms_enable = REG_RD(bp, params->shmem_base +
  5537. offsetof(struct shmem_region,
  5538. dev_info.port_hw_config[params->port].default_cfg)) &
  5539. PORT_HW_CFG_ENABLE_CMS_MASK;
  5540. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5541. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5542. if (cms_enable)
  5543. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5544. else
  5545. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5546. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5547. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5548. return rc;
  5549. }
  5550. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5551. struct link_params *params,
  5552. struct link_vars *vars)
  5553. {
  5554. struct bnx2x *bp = params->bp;
  5555. u16 val, val1, val2, adj;
  5556. u8 link_up = 0;
  5557. /* Reg offset adjustment for 84833 */
  5558. adj = 0;
  5559. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5560. adj = -1;
  5561. /* Check 10G-BaseT link status */
  5562. /* Check PMD signal ok */
  5563. bnx2x_cl45_read(bp, phy,
  5564. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5565. bnx2x_cl45_read(bp, phy,
  5566. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj,
  5567. &val2);
  5568. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5569. /* Check link 10G */
  5570. if (val2 & (1<<11)) {
  5571. vars->line_speed = SPEED_10000;
  5572. vars->duplex = DUPLEX_FULL;
  5573. link_up = 1;
  5574. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5575. } else { /* Check Legacy speed link */
  5576. u16 legacy_status, legacy_speed;
  5577. /* Enable expansion register 0x42 (Operation mode status) */
  5578. bnx2x_cl45_write(bp, phy,
  5579. MDIO_AN_DEVAD,
  5580. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5581. /* Get legacy speed operation status */
  5582. bnx2x_cl45_read(bp, phy,
  5583. MDIO_AN_DEVAD,
  5584. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5585. &legacy_status);
  5586. DP(NETIF_MSG_LINK, "Legacy speed status"
  5587. " = 0x%x\n", legacy_status);
  5588. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5589. if (link_up) {
  5590. legacy_speed = (legacy_status & (3<<9));
  5591. if (legacy_speed == (0<<9))
  5592. vars->line_speed = SPEED_10;
  5593. else if (legacy_speed == (1<<9))
  5594. vars->line_speed = SPEED_100;
  5595. else if (legacy_speed == (2<<9))
  5596. vars->line_speed = SPEED_1000;
  5597. else /* Should not happen */
  5598. vars->line_speed = 0;
  5599. if (legacy_status & (1<<8))
  5600. vars->duplex = DUPLEX_FULL;
  5601. else
  5602. vars->duplex = DUPLEX_HALF;
  5603. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5604. " is_duplex_full= %d\n", vars->line_speed,
  5605. (vars->duplex == DUPLEX_FULL));
  5606. /* Check legacy speed AN resolution */
  5607. bnx2x_cl45_read(bp, phy,
  5608. MDIO_AN_DEVAD,
  5609. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5610. &val);
  5611. if (val & (1<<5))
  5612. vars->link_status |=
  5613. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5614. bnx2x_cl45_read(bp, phy,
  5615. MDIO_AN_DEVAD,
  5616. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5617. &val);
  5618. if ((val & (1<<0)) == 0)
  5619. vars->link_status |=
  5620. LINK_STATUS_PARALLEL_DETECTION_USED;
  5621. }
  5622. }
  5623. if (link_up) {
  5624. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5625. vars->line_speed);
  5626. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5627. }
  5628. return link_up;
  5629. }
  5630. static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5631. {
  5632. u8 status = 0;
  5633. u32 spirom_ver;
  5634. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5635. status = bnx2x_format_ver(spirom_ver, str, len);
  5636. return status;
  5637. }
  5638. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5639. struct link_params *params)
  5640. {
  5641. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5642. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5643. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5644. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5645. }
  5646. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5647. struct link_params *params)
  5648. {
  5649. bnx2x_cl45_write(params->bp, phy,
  5650. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5651. bnx2x_cl45_write(params->bp, phy,
  5652. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5653. }
  5654. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5655. struct link_params *params)
  5656. {
  5657. struct bnx2x *bp = params->bp;
  5658. u8 port;
  5659. if (CHIP_IS_E2(bp))
  5660. port = BP_PATH(bp);
  5661. else
  5662. port = params->port;
  5663. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5664. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5665. port);
  5666. }
  5667. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5668. struct link_params *params, u8 mode)
  5669. {
  5670. struct bnx2x *bp = params->bp;
  5671. u16 val;
  5672. switch (mode) {
  5673. case LED_MODE_OFF:
  5674. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
  5675. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5676. SHARED_HW_CFG_LED_EXTPHY1) {
  5677. /* Set LED masks */
  5678. bnx2x_cl45_write(bp, phy,
  5679. MDIO_PMA_DEVAD,
  5680. MDIO_PMA_REG_8481_LED1_MASK,
  5681. 0x0);
  5682. bnx2x_cl45_write(bp, phy,
  5683. MDIO_PMA_DEVAD,
  5684. MDIO_PMA_REG_8481_LED2_MASK,
  5685. 0x0);
  5686. bnx2x_cl45_write(bp, phy,
  5687. MDIO_PMA_DEVAD,
  5688. MDIO_PMA_REG_8481_LED3_MASK,
  5689. 0x0);
  5690. bnx2x_cl45_write(bp, phy,
  5691. MDIO_PMA_DEVAD,
  5692. MDIO_PMA_REG_8481_LED5_MASK,
  5693. 0x0);
  5694. } else {
  5695. bnx2x_cl45_write(bp, phy,
  5696. MDIO_PMA_DEVAD,
  5697. MDIO_PMA_REG_8481_LED1_MASK,
  5698. 0x0);
  5699. }
  5700. break;
  5701. case LED_MODE_FRONT_PANEL_OFF:
  5702. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5703. params->port);
  5704. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5705. SHARED_HW_CFG_LED_EXTPHY1) {
  5706. /* Set LED masks */
  5707. bnx2x_cl45_write(bp, phy,
  5708. MDIO_PMA_DEVAD,
  5709. MDIO_PMA_REG_8481_LED1_MASK,
  5710. 0x0);
  5711. bnx2x_cl45_write(bp, phy,
  5712. MDIO_PMA_DEVAD,
  5713. MDIO_PMA_REG_8481_LED2_MASK,
  5714. 0x0);
  5715. bnx2x_cl45_write(bp, phy,
  5716. MDIO_PMA_DEVAD,
  5717. MDIO_PMA_REG_8481_LED3_MASK,
  5718. 0x0);
  5719. bnx2x_cl45_write(bp, phy,
  5720. MDIO_PMA_DEVAD,
  5721. MDIO_PMA_REG_8481_LED5_MASK,
  5722. 0x20);
  5723. } else {
  5724. bnx2x_cl45_write(bp, phy,
  5725. MDIO_PMA_DEVAD,
  5726. MDIO_PMA_REG_8481_LED1_MASK,
  5727. 0x0);
  5728. }
  5729. break;
  5730. case LED_MODE_ON:
  5731. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
  5732. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5733. SHARED_HW_CFG_LED_EXTPHY1) {
  5734. /* Set control reg */
  5735. bnx2x_cl45_read(bp, phy,
  5736. MDIO_PMA_DEVAD,
  5737. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5738. &val);
  5739. val &= 0x8000;
  5740. val |= 0x2492;
  5741. bnx2x_cl45_write(bp, phy,
  5742. MDIO_PMA_DEVAD,
  5743. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5744. val);
  5745. /* Set LED masks */
  5746. bnx2x_cl45_write(bp, phy,
  5747. MDIO_PMA_DEVAD,
  5748. MDIO_PMA_REG_8481_LED1_MASK,
  5749. 0x0);
  5750. bnx2x_cl45_write(bp, phy,
  5751. MDIO_PMA_DEVAD,
  5752. MDIO_PMA_REG_8481_LED2_MASK,
  5753. 0x20);
  5754. bnx2x_cl45_write(bp, phy,
  5755. MDIO_PMA_DEVAD,
  5756. MDIO_PMA_REG_8481_LED3_MASK,
  5757. 0x20);
  5758. bnx2x_cl45_write(bp, phy,
  5759. MDIO_PMA_DEVAD,
  5760. MDIO_PMA_REG_8481_LED5_MASK,
  5761. 0x0);
  5762. } else {
  5763. bnx2x_cl45_write(bp, phy,
  5764. MDIO_PMA_DEVAD,
  5765. MDIO_PMA_REG_8481_LED1_MASK,
  5766. 0x20);
  5767. }
  5768. break;
  5769. case LED_MODE_OPER:
  5770. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
  5771. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5772. SHARED_HW_CFG_LED_EXTPHY1) {
  5773. /* Set control reg */
  5774. bnx2x_cl45_read(bp, phy,
  5775. MDIO_PMA_DEVAD,
  5776. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5777. &val);
  5778. if (!((val &
  5779. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5780. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5781. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5782. bnx2x_cl45_write(bp, phy,
  5783. MDIO_PMA_DEVAD,
  5784. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5785. 0xa492);
  5786. }
  5787. /* Set LED masks */
  5788. bnx2x_cl45_write(bp, phy,
  5789. MDIO_PMA_DEVAD,
  5790. MDIO_PMA_REG_8481_LED1_MASK,
  5791. 0x10);
  5792. bnx2x_cl45_write(bp, phy,
  5793. MDIO_PMA_DEVAD,
  5794. MDIO_PMA_REG_8481_LED2_MASK,
  5795. 0x80);
  5796. bnx2x_cl45_write(bp, phy,
  5797. MDIO_PMA_DEVAD,
  5798. MDIO_PMA_REG_8481_LED3_MASK,
  5799. 0x98);
  5800. bnx2x_cl45_write(bp, phy,
  5801. MDIO_PMA_DEVAD,
  5802. MDIO_PMA_REG_8481_LED5_MASK,
  5803. 0x40);
  5804. } else {
  5805. bnx2x_cl45_write(bp, phy,
  5806. MDIO_PMA_DEVAD,
  5807. MDIO_PMA_REG_8481_LED1_MASK,
  5808. 0x80);
  5809. /* Tell LED3 to blink on source */
  5810. bnx2x_cl45_read(bp, phy,
  5811. MDIO_PMA_DEVAD,
  5812. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5813. &val);
  5814. val &= ~(7<<6);
  5815. val |= (1<<6); /* A83B[8:6]= 1 */
  5816. bnx2x_cl45_write(bp, phy,
  5817. MDIO_PMA_DEVAD,
  5818. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5819. val);
  5820. }
  5821. break;
  5822. }
  5823. }
  5824. /******************************************************************/
  5825. /* SFX7101 PHY SECTION */
  5826. /******************************************************************/
  5827. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  5828. struct link_params *params)
  5829. {
  5830. struct bnx2x *bp = params->bp;
  5831. /* SFX7101_XGXS_TEST1 */
  5832. bnx2x_cl45_write(bp, phy,
  5833. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  5834. }
  5835. static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
  5836. struct link_params *params,
  5837. struct link_vars *vars)
  5838. {
  5839. u16 fw_ver1, fw_ver2, val;
  5840. struct bnx2x *bp = params->bp;
  5841. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  5842. /* Restore normal power mode*/
  5843. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5844. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5845. /* HW reset */
  5846. bnx2x_ext_phy_hw_reset(bp, params->port);
  5847. bnx2x_wait_reset_complete(bp, phy, params);
  5848. bnx2x_cl45_write(bp, phy,
  5849. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  5850. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  5851. bnx2x_cl45_write(bp, phy,
  5852. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  5853. bnx2x_ext_phy_set_pause(params, phy, vars);
  5854. /* Restart autoneg */
  5855. bnx2x_cl45_read(bp, phy,
  5856. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  5857. val |= 0x200;
  5858. bnx2x_cl45_write(bp, phy,
  5859. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  5860. /* Save spirom version */
  5861. bnx2x_cl45_read(bp, phy,
  5862. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  5863. bnx2x_cl45_read(bp, phy,
  5864. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  5865. bnx2x_save_spirom_version(bp, params->port,
  5866. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  5867. return 0;
  5868. }
  5869. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  5870. struct link_params *params,
  5871. struct link_vars *vars)
  5872. {
  5873. struct bnx2x *bp = params->bp;
  5874. u8 link_up;
  5875. u16 val1, val2;
  5876. bnx2x_cl45_read(bp, phy,
  5877. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  5878. bnx2x_cl45_read(bp, phy,
  5879. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5880. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  5881. val2, val1);
  5882. bnx2x_cl45_read(bp, phy,
  5883. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  5884. bnx2x_cl45_read(bp, phy,
  5885. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  5886. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  5887. val2, val1);
  5888. link_up = ((val1 & 4) == 4);
  5889. /* if link is up print the AN outcome of the SFX7101 PHY */
  5890. if (link_up) {
  5891. bnx2x_cl45_read(bp, phy,
  5892. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  5893. &val2);
  5894. vars->line_speed = SPEED_10000;
  5895. vars->duplex = DUPLEX_FULL;
  5896. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  5897. val2, (val2 & (1<<14)));
  5898. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5899. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5900. }
  5901. return link_up;
  5902. }
  5903. static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5904. {
  5905. if (*len < 5)
  5906. return -EINVAL;
  5907. str[0] = (spirom_ver & 0xFF);
  5908. str[1] = (spirom_ver & 0xFF00) >> 8;
  5909. str[2] = (spirom_ver & 0xFF0000) >> 16;
  5910. str[3] = (spirom_ver & 0xFF000000) >> 24;
  5911. str[4] = '\0';
  5912. *len -= 5;
  5913. return 0;
  5914. }
  5915. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  5916. {
  5917. u16 val, cnt;
  5918. bnx2x_cl45_read(bp, phy,
  5919. MDIO_PMA_DEVAD,
  5920. MDIO_PMA_REG_7101_RESET, &val);
  5921. for (cnt = 0; cnt < 10; cnt++) {
  5922. msleep(50);
  5923. /* Writes a self-clearing reset */
  5924. bnx2x_cl45_write(bp, phy,
  5925. MDIO_PMA_DEVAD,
  5926. MDIO_PMA_REG_7101_RESET,
  5927. (val | (1<<15)));
  5928. /* Wait for clear */
  5929. bnx2x_cl45_read(bp, phy,
  5930. MDIO_PMA_DEVAD,
  5931. MDIO_PMA_REG_7101_RESET, &val);
  5932. if ((val & (1<<15)) == 0)
  5933. break;
  5934. }
  5935. }
  5936. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  5937. struct link_params *params) {
  5938. /* Low power mode is controlled by GPIO 2 */
  5939. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  5940. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5941. /* The PHY reset is controlled by GPIO 1 */
  5942. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5943. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  5944. }
  5945. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  5946. struct link_params *params, u8 mode)
  5947. {
  5948. u16 val = 0;
  5949. struct bnx2x *bp = params->bp;
  5950. switch (mode) {
  5951. case LED_MODE_FRONT_PANEL_OFF:
  5952. case LED_MODE_OFF:
  5953. val = 2;
  5954. break;
  5955. case LED_MODE_ON:
  5956. val = 1;
  5957. break;
  5958. case LED_MODE_OPER:
  5959. val = 0;
  5960. break;
  5961. }
  5962. bnx2x_cl45_write(bp, phy,
  5963. MDIO_PMA_DEVAD,
  5964. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  5965. val);
  5966. }
  5967. /******************************************************************/
  5968. /* STATIC PHY DECLARATION */
  5969. /******************************************************************/
  5970. static struct bnx2x_phy phy_null = {
  5971. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  5972. .addr = 0,
  5973. .flags = FLAGS_INIT_XGXS_FIRST,
  5974. .def_md_devad = 0,
  5975. .reserved = 0,
  5976. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  5977. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  5978. .mdio_ctrl = 0,
  5979. .supported = 0,
  5980. .media_type = ETH_PHY_NOT_PRESENT,
  5981. .ver_addr = 0,
  5982. .req_flow_ctrl = 0,
  5983. .req_line_speed = 0,
  5984. .speed_cap_mask = 0,
  5985. .req_duplex = 0,
  5986. .rsrv = 0,
  5987. .config_init = (config_init_t)NULL,
  5988. .read_status = (read_status_t)NULL,
  5989. .link_reset = (link_reset_t)NULL,
  5990. .config_loopback = (config_loopback_t)NULL,
  5991. .format_fw_ver = (format_fw_ver_t)NULL,
  5992. .hw_reset = (hw_reset_t)NULL,
  5993. .set_link_led = (set_link_led_t)NULL,
  5994. .phy_specific_func = (phy_specific_func_t)NULL
  5995. };
  5996. static struct bnx2x_phy phy_serdes = {
  5997. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  5998. .addr = 0xff,
  5999. .flags = 0,
  6000. .def_md_devad = 0,
  6001. .reserved = 0,
  6002. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6003. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6004. .mdio_ctrl = 0,
  6005. .supported = (SUPPORTED_10baseT_Half |
  6006. SUPPORTED_10baseT_Full |
  6007. SUPPORTED_100baseT_Half |
  6008. SUPPORTED_100baseT_Full |
  6009. SUPPORTED_1000baseT_Full |
  6010. SUPPORTED_2500baseX_Full |
  6011. SUPPORTED_TP |
  6012. SUPPORTED_Autoneg |
  6013. SUPPORTED_Pause |
  6014. SUPPORTED_Asym_Pause),
  6015. .media_type = ETH_PHY_UNSPECIFIED,
  6016. .ver_addr = 0,
  6017. .req_flow_ctrl = 0,
  6018. .req_line_speed = 0,
  6019. .speed_cap_mask = 0,
  6020. .req_duplex = 0,
  6021. .rsrv = 0,
  6022. .config_init = (config_init_t)bnx2x_init_serdes,
  6023. .read_status = (read_status_t)bnx2x_link_settings_status,
  6024. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6025. .config_loopback = (config_loopback_t)NULL,
  6026. .format_fw_ver = (format_fw_ver_t)NULL,
  6027. .hw_reset = (hw_reset_t)NULL,
  6028. .set_link_led = (set_link_led_t)NULL,
  6029. .phy_specific_func = (phy_specific_func_t)NULL
  6030. };
  6031. static struct bnx2x_phy phy_xgxs = {
  6032. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6033. .addr = 0xff,
  6034. .flags = 0,
  6035. .def_md_devad = 0,
  6036. .reserved = 0,
  6037. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6038. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6039. .mdio_ctrl = 0,
  6040. .supported = (SUPPORTED_10baseT_Half |
  6041. SUPPORTED_10baseT_Full |
  6042. SUPPORTED_100baseT_Half |
  6043. SUPPORTED_100baseT_Full |
  6044. SUPPORTED_1000baseT_Full |
  6045. SUPPORTED_2500baseX_Full |
  6046. SUPPORTED_10000baseT_Full |
  6047. SUPPORTED_FIBRE |
  6048. SUPPORTED_Autoneg |
  6049. SUPPORTED_Pause |
  6050. SUPPORTED_Asym_Pause),
  6051. .media_type = ETH_PHY_UNSPECIFIED,
  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)bnx2x_init_xgxs,
  6059. .read_status = (read_status_t)bnx2x_link_settings_status,
  6060. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6061. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  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_7101 = {
  6068. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6069. .addr = 0xff,
  6070. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  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_10000baseT_Full |
  6077. SUPPORTED_TP |
  6078. SUPPORTED_Autoneg |
  6079. SUPPORTED_Pause |
  6080. SUPPORTED_Asym_Pause),
  6081. .media_type = ETH_PHY_BASE_T,
  6082. .ver_addr = 0,
  6083. .req_flow_ctrl = 0,
  6084. .req_line_speed = 0,
  6085. .speed_cap_mask = 0,
  6086. .req_duplex = 0,
  6087. .rsrv = 0,
  6088. .config_init = (config_init_t)bnx2x_7101_config_init,
  6089. .read_status = (read_status_t)bnx2x_7101_read_status,
  6090. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6091. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6092. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6093. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6094. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6095. .phy_specific_func = (phy_specific_func_t)NULL
  6096. };
  6097. static struct bnx2x_phy phy_8073 = {
  6098. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6099. .addr = 0xff,
  6100. .flags = FLAGS_HW_LOCK_REQUIRED,
  6101. .def_md_devad = 0,
  6102. .reserved = 0,
  6103. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6104. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6105. .mdio_ctrl = 0,
  6106. .supported = (SUPPORTED_10000baseT_Full |
  6107. SUPPORTED_2500baseX_Full |
  6108. SUPPORTED_1000baseT_Full |
  6109. SUPPORTED_FIBRE |
  6110. SUPPORTED_Autoneg |
  6111. SUPPORTED_Pause |
  6112. SUPPORTED_Asym_Pause),
  6113. .media_type = ETH_PHY_UNSPECIFIED,
  6114. .ver_addr = 0,
  6115. .req_flow_ctrl = 0,
  6116. .req_line_speed = 0,
  6117. .speed_cap_mask = 0,
  6118. .req_duplex = 0,
  6119. .rsrv = 0,
  6120. .config_init = (config_init_t)bnx2x_8073_config_init,
  6121. .read_status = (read_status_t)bnx2x_8073_read_status,
  6122. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6123. .config_loopback = (config_loopback_t)NULL,
  6124. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6125. .hw_reset = (hw_reset_t)NULL,
  6126. .set_link_led = (set_link_led_t)NULL,
  6127. .phy_specific_func = (phy_specific_func_t)NULL
  6128. };
  6129. static struct bnx2x_phy phy_8705 = {
  6130. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6131. .addr = 0xff,
  6132. .flags = FLAGS_INIT_XGXS_FIRST,
  6133. .def_md_devad = 0,
  6134. .reserved = 0,
  6135. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6136. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6137. .mdio_ctrl = 0,
  6138. .supported = (SUPPORTED_10000baseT_Full |
  6139. SUPPORTED_FIBRE |
  6140. SUPPORTED_Pause |
  6141. SUPPORTED_Asym_Pause),
  6142. .media_type = ETH_PHY_XFP_FIBER,
  6143. .ver_addr = 0,
  6144. .req_flow_ctrl = 0,
  6145. .req_line_speed = 0,
  6146. .speed_cap_mask = 0,
  6147. .req_duplex = 0,
  6148. .rsrv = 0,
  6149. .config_init = (config_init_t)bnx2x_8705_config_init,
  6150. .read_status = (read_status_t)bnx2x_8705_read_status,
  6151. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6152. .config_loopback = (config_loopback_t)NULL,
  6153. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6154. .hw_reset = (hw_reset_t)NULL,
  6155. .set_link_led = (set_link_led_t)NULL,
  6156. .phy_specific_func = (phy_specific_func_t)NULL
  6157. };
  6158. static struct bnx2x_phy phy_8706 = {
  6159. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6160. .addr = 0xff,
  6161. .flags = FLAGS_INIT_XGXS_FIRST,
  6162. .def_md_devad = 0,
  6163. .reserved = 0,
  6164. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6165. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6166. .mdio_ctrl = 0,
  6167. .supported = (SUPPORTED_10000baseT_Full |
  6168. SUPPORTED_1000baseT_Full |
  6169. SUPPORTED_FIBRE |
  6170. SUPPORTED_Pause |
  6171. SUPPORTED_Asym_Pause),
  6172. .media_type = ETH_PHY_SFP_FIBER,
  6173. .ver_addr = 0,
  6174. .req_flow_ctrl = 0,
  6175. .req_line_speed = 0,
  6176. .speed_cap_mask = 0,
  6177. .req_duplex = 0,
  6178. .rsrv = 0,
  6179. .config_init = (config_init_t)bnx2x_8706_config_init,
  6180. .read_status = (read_status_t)bnx2x_8706_read_status,
  6181. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6182. .config_loopback = (config_loopback_t)NULL,
  6183. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6184. .hw_reset = (hw_reset_t)NULL,
  6185. .set_link_led = (set_link_led_t)NULL,
  6186. .phy_specific_func = (phy_specific_func_t)NULL
  6187. };
  6188. static struct bnx2x_phy phy_8726 = {
  6189. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6190. .addr = 0xff,
  6191. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6192. FLAGS_INIT_XGXS_FIRST),
  6193. .def_md_devad = 0,
  6194. .reserved = 0,
  6195. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6196. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6197. .mdio_ctrl = 0,
  6198. .supported = (SUPPORTED_10000baseT_Full |
  6199. SUPPORTED_1000baseT_Full |
  6200. SUPPORTED_Autoneg |
  6201. SUPPORTED_FIBRE |
  6202. SUPPORTED_Pause |
  6203. SUPPORTED_Asym_Pause),
  6204. .media_type = ETH_PHY_SFP_FIBER,
  6205. .ver_addr = 0,
  6206. .req_flow_ctrl = 0,
  6207. .req_line_speed = 0,
  6208. .speed_cap_mask = 0,
  6209. .req_duplex = 0,
  6210. .rsrv = 0,
  6211. .config_init = (config_init_t)bnx2x_8726_config_init,
  6212. .read_status = (read_status_t)bnx2x_8726_read_status,
  6213. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6214. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6215. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6216. .hw_reset = (hw_reset_t)NULL,
  6217. .set_link_led = (set_link_led_t)NULL,
  6218. .phy_specific_func = (phy_specific_func_t)NULL
  6219. };
  6220. static struct bnx2x_phy phy_8727 = {
  6221. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6222. .addr = 0xff,
  6223. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6224. .def_md_devad = 0,
  6225. .reserved = 0,
  6226. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6227. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6228. .mdio_ctrl = 0,
  6229. .supported = (SUPPORTED_10000baseT_Full |
  6230. SUPPORTED_1000baseT_Full |
  6231. SUPPORTED_FIBRE |
  6232. SUPPORTED_Pause |
  6233. SUPPORTED_Asym_Pause),
  6234. .media_type = ETH_PHY_SFP_FIBER,
  6235. .ver_addr = 0,
  6236. .req_flow_ctrl = 0,
  6237. .req_line_speed = 0,
  6238. .speed_cap_mask = 0,
  6239. .req_duplex = 0,
  6240. .rsrv = 0,
  6241. .config_init = (config_init_t)bnx2x_8727_config_init,
  6242. .read_status = (read_status_t)bnx2x_8727_read_status,
  6243. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6244. .config_loopback = (config_loopback_t)NULL,
  6245. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6246. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6247. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6248. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6249. };
  6250. static struct bnx2x_phy phy_8481 = {
  6251. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6252. .addr = 0xff,
  6253. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6254. FLAGS_REARM_LATCH_SIGNAL,
  6255. .def_md_devad = 0,
  6256. .reserved = 0,
  6257. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6258. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6259. .mdio_ctrl = 0,
  6260. .supported = (SUPPORTED_10baseT_Half |
  6261. SUPPORTED_10baseT_Full |
  6262. SUPPORTED_100baseT_Half |
  6263. SUPPORTED_100baseT_Full |
  6264. SUPPORTED_1000baseT_Full |
  6265. SUPPORTED_10000baseT_Full |
  6266. SUPPORTED_TP |
  6267. SUPPORTED_Autoneg |
  6268. SUPPORTED_Pause |
  6269. SUPPORTED_Asym_Pause),
  6270. .media_type = ETH_PHY_BASE_T,
  6271. .ver_addr = 0,
  6272. .req_flow_ctrl = 0,
  6273. .req_line_speed = 0,
  6274. .speed_cap_mask = 0,
  6275. .req_duplex = 0,
  6276. .rsrv = 0,
  6277. .config_init = (config_init_t)bnx2x_8481_config_init,
  6278. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6279. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6280. .config_loopback = (config_loopback_t)NULL,
  6281. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6282. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6283. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6284. .phy_specific_func = (phy_specific_func_t)NULL
  6285. };
  6286. static struct bnx2x_phy phy_84823 = {
  6287. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6288. .addr = 0xff,
  6289. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6290. FLAGS_REARM_LATCH_SIGNAL,
  6291. .def_md_devad = 0,
  6292. .reserved = 0,
  6293. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6294. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6295. .mdio_ctrl = 0,
  6296. .supported = (SUPPORTED_10baseT_Half |
  6297. SUPPORTED_10baseT_Full |
  6298. SUPPORTED_100baseT_Half |
  6299. SUPPORTED_100baseT_Full |
  6300. SUPPORTED_1000baseT_Full |
  6301. SUPPORTED_10000baseT_Full |
  6302. SUPPORTED_TP |
  6303. SUPPORTED_Autoneg |
  6304. SUPPORTED_Pause |
  6305. SUPPORTED_Asym_Pause),
  6306. .media_type = ETH_PHY_BASE_T,
  6307. .ver_addr = 0,
  6308. .req_flow_ctrl = 0,
  6309. .req_line_speed = 0,
  6310. .speed_cap_mask = 0,
  6311. .req_duplex = 0,
  6312. .rsrv = 0,
  6313. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6314. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6315. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6316. .config_loopback = (config_loopback_t)NULL,
  6317. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6318. .hw_reset = (hw_reset_t)NULL,
  6319. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6320. .phy_specific_func = (phy_specific_func_t)NULL
  6321. };
  6322. static struct bnx2x_phy phy_84833 = {
  6323. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6324. .addr = 0xff,
  6325. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6326. FLAGS_REARM_LATCH_SIGNAL,
  6327. .def_md_devad = 0,
  6328. .reserved = 0,
  6329. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6330. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6331. .mdio_ctrl = 0,
  6332. .supported = (SUPPORTED_10baseT_Half |
  6333. SUPPORTED_10baseT_Full |
  6334. SUPPORTED_100baseT_Half |
  6335. SUPPORTED_100baseT_Full |
  6336. SUPPORTED_1000baseT_Full |
  6337. SUPPORTED_10000baseT_Full |
  6338. SUPPORTED_TP |
  6339. SUPPORTED_Autoneg |
  6340. SUPPORTED_Pause |
  6341. SUPPORTED_Asym_Pause),
  6342. .media_type = ETH_PHY_BASE_T,
  6343. .ver_addr = 0,
  6344. .req_flow_ctrl = 0,
  6345. .req_line_speed = 0,
  6346. .speed_cap_mask = 0,
  6347. .req_duplex = 0,
  6348. .rsrv = 0,
  6349. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6350. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6351. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6352. .config_loopback = (config_loopback_t)NULL,
  6353. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6354. .hw_reset = (hw_reset_t)NULL,
  6355. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6356. .phy_specific_func = (phy_specific_func_t)NULL
  6357. };
  6358. /*****************************************************************/
  6359. /* */
  6360. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6361. /* */
  6362. /*****************************************************************/
  6363. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6364. struct bnx2x_phy *phy, u8 port,
  6365. u8 phy_index)
  6366. {
  6367. /* Get the 4 lanes xgxs config rx and tx */
  6368. u32 rx = 0, tx = 0, i;
  6369. for (i = 0; i < 2; i++) {
  6370. /*
  6371. * INT_PHY and EXT_PHY1 share the same value location in the
  6372. * shmem. When num_phys is greater than 1, than this value
  6373. * applies only to EXT_PHY1
  6374. */
  6375. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6376. rx = REG_RD(bp, shmem_base +
  6377. offsetof(struct shmem_region,
  6378. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6379. tx = REG_RD(bp, shmem_base +
  6380. offsetof(struct shmem_region,
  6381. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6382. } else {
  6383. rx = REG_RD(bp, shmem_base +
  6384. offsetof(struct shmem_region,
  6385. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6386. tx = REG_RD(bp, shmem_base +
  6387. offsetof(struct shmem_region,
  6388. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6389. }
  6390. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6391. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6392. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6393. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6394. }
  6395. }
  6396. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6397. u8 phy_index, u8 port)
  6398. {
  6399. u32 ext_phy_config = 0;
  6400. switch (phy_index) {
  6401. case EXT_PHY1:
  6402. ext_phy_config = REG_RD(bp, shmem_base +
  6403. offsetof(struct shmem_region,
  6404. dev_info.port_hw_config[port].external_phy_config));
  6405. break;
  6406. case EXT_PHY2:
  6407. ext_phy_config = REG_RD(bp, shmem_base +
  6408. offsetof(struct shmem_region,
  6409. dev_info.port_hw_config[port].external_phy_config2));
  6410. break;
  6411. default:
  6412. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6413. return -EINVAL;
  6414. }
  6415. return ext_phy_config;
  6416. }
  6417. static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6418. struct bnx2x_phy *phy)
  6419. {
  6420. u32 phy_addr;
  6421. u32 chip_id;
  6422. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6423. offsetof(struct shmem_region,
  6424. dev_info.port_feature_config[port].link_config)) &
  6425. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6426. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6427. switch (switch_cfg) {
  6428. case SWITCH_CFG_1G:
  6429. phy_addr = REG_RD(bp,
  6430. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6431. port * 0x10);
  6432. *phy = phy_serdes;
  6433. break;
  6434. case SWITCH_CFG_10G:
  6435. phy_addr = REG_RD(bp,
  6436. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6437. port * 0x18);
  6438. *phy = phy_xgxs;
  6439. break;
  6440. default:
  6441. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6442. return -EINVAL;
  6443. }
  6444. phy->addr = (u8)phy_addr;
  6445. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6446. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6447. port);
  6448. if (CHIP_IS_E2(bp))
  6449. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6450. else
  6451. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6452. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6453. port, phy->addr, phy->mdio_ctrl);
  6454. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6455. return 0;
  6456. }
  6457. static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
  6458. u8 phy_index,
  6459. u32 shmem_base,
  6460. u32 shmem2_base,
  6461. u8 port,
  6462. struct bnx2x_phy *phy)
  6463. {
  6464. u32 ext_phy_config, phy_type, config2;
  6465. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6466. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6467. phy_index, port);
  6468. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6469. /* Select the phy type */
  6470. switch (phy_type) {
  6471. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6472. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6473. *phy = phy_8073;
  6474. break;
  6475. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6476. *phy = phy_8705;
  6477. break;
  6478. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6479. *phy = phy_8706;
  6480. break;
  6481. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6482. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6483. *phy = phy_8726;
  6484. break;
  6485. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6486. /* BCM8727_NOC => BCM8727 no over current */
  6487. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6488. *phy = phy_8727;
  6489. phy->flags |= FLAGS_NOC;
  6490. break;
  6491. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6492. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6493. *phy = phy_8727;
  6494. break;
  6495. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6496. *phy = phy_8481;
  6497. break;
  6498. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6499. *phy = phy_84823;
  6500. break;
  6501. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6502. *phy = phy_84833;
  6503. break;
  6504. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6505. *phy = phy_7101;
  6506. break;
  6507. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6508. *phy = phy_null;
  6509. return -EINVAL;
  6510. default:
  6511. *phy = phy_null;
  6512. return 0;
  6513. }
  6514. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6515. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6516. /*
  6517. * The shmem address of the phy version is located on different
  6518. * structures. In case this structure is too old, do not set
  6519. * the address
  6520. */
  6521. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6522. dev_info.shared_hw_config.config2));
  6523. if (phy_index == EXT_PHY1) {
  6524. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6525. port_mb[port].ext_phy_fw_version);
  6526. /* Check specific mdc mdio settings */
  6527. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6528. mdc_mdio_access = config2 &
  6529. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6530. } else {
  6531. u32 size = REG_RD(bp, shmem2_base);
  6532. if (size >
  6533. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6534. phy->ver_addr = shmem2_base +
  6535. offsetof(struct shmem2_region,
  6536. ext_phy_fw_version2[port]);
  6537. }
  6538. /* Check specific mdc mdio settings */
  6539. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6540. mdc_mdio_access = (config2 &
  6541. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6542. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6543. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6544. }
  6545. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6546. /*
  6547. * In case mdc/mdio_access of the external phy is different than the
  6548. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6549. * to prevent one port interfere with another port's CL45 operations.
  6550. */
  6551. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6552. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6553. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6554. phy_type, port, phy_index);
  6555. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6556. phy->addr, phy->mdio_ctrl);
  6557. return 0;
  6558. }
  6559. static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6560. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6561. {
  6562. u8 status = 0;
  6563. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6564. if (phy_index == INT_PHY)
  6565. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6566. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6567. port, phy);
  6568. return status;
  6569. }
  6570. static void bnx2x_phy_def_cfg(struct link_params *params,
  6571. struct bnx2x_phy *phy,
  6572. u8 phy_index)
  6573. {
  6574. struct bnx2x *bp = params->bp;
  6575. u32 link_config;
  6576. /* Populate the default phy configuration for MF mode */
  6577. if (phy_index == EXT_PHY2) {
  6578. link_config = REG_RD(bp, params->shmem_base +
  6579. offsetof(struct shmem_region, dev_info.
  6580. port_feature_config[params->port].link_config2));
  6581. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6582. offsetof(struct shmem_region,
  6583. dev_info.
  6584. port_hw_config[params->port].speed_capability_mask2));
  6585. } else {
  6586. link_config = REG_RD(bp, params->shmem_base +
  6587. offsetof(struct shmem_region, dev_info.
  6588. port_feature_config[params->port].link_config));
  6589. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6590. offsetof(struct shmem_region,
  6591. dev_info.
  6592. port_hw_config[params->port].speed_capability_mask));
  6593. }
  6594. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6595. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6596. phy->req_duplex = DUPLEX_FULL;
  6597. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6598. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6599. phy->req_duplex = DUPLEX_HALF;
  6600. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6601. phy->req_line_speed = SPEED_10;
  6602. break;
  6603. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6604. phy->req_duplex = DUPLEX_HALF;
  6605. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6606. phy->req_line_speed = SPEED_100;
  6607. break;
  6608. case PORT_FEATURE_LINK_SPEED_1G:
  6609. phy->req_line_speed = SPEED_1000;
  6610. break;
  6611. case PORT_FEATURE_LINK_SPEED_2_5G:
  6612. phy->req_line_speed = SPEED_2500;
  6613. break;
  6614. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6615. phy->req_line_speed = SPEED_10000;
  6616. break;
  6617. default:
  6618. phy->req_line_speed = SPEED_AUTO_NEG;
  6619. break;
  6620. }
  6621. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6622. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6623. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6624. break;
  6625. case PORT_FEATURE_FLOW_CONTROL_TX:
  6626. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6627. break;
  6628. case PORT_FEATURE_FLOW_CONTROL_RX:
  6629. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6630. break;
  6631. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6632. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6633. break;
  6634. default:
  6635. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6636. break;
  6637. }
  6638. }
  6639. u32 bnx2x_phy_selection(struct link_params *params)
  6640. {
  6641. u32 phy_config_swapped, prio_cfg;
  6642. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6643. phy_config_swapped = params->multi_phy_config &
  6644. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6645. prio_cfg = params->multi_phy_config &
  6646. PORT_HW_CFG_PHY_SELECTION_MASK;
  6647. if (phy_config_swapped) {
  6648. switch (prio_cfg) {
  6649. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6650. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6651. break;
  6652. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6653. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6654. break;
  6655. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6656. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6657. break;
  6658. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6659. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6660. break;
  6661. }
  6662. } else
  6663. return_cfg = prio_cfg;
  6664. return return_cfg;
  6665. }
  6666. u8 bnx2x_phy_probe(struct link_params *params)
  6667. {
  6668. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6669. u32 phy_config_swapped;
  6670. struct bnx2x *bp = params->bp;
  6671. struct bnx2x_phy *phy;
  6672. params->num_phys = 0;
  6673. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6674. phy_config_swapped = params->multi_phy_config &
  6675. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6676. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6677. phy_index++) {
  6678. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6679. actual_phy_idx = phy_index;
  6680. if (phy_config_swapped) {
  6681. if (phy_index == EXT_PHY1)
  6682. actual_phy_idx = EXT_PHY2;
  6683. else if (phy_index == EXT_PHY2)
  6684. actual_phy_idx = EXT_PHY1;
  6685. }
  6686. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6687. " actual_phy_idx %x\n", phy_config_swapped,
  6688. phy_index, actual_phy_idx);
  6689. phy = &params->phy[actual_phy_idx];
  6690. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6691. params->shmem2_base, params->port,
  6692. phy) != 0) {
  6693. params->num_phys = 0;
  6694. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6695. phy_index);
  6696. for (phy_index = INT_PHY;
  6697. phy_index < MAX_PHYS;
  6698. phy_index++)
  6699. *phy = phy_null;
  6700. return -EINVAL;
  6701. }
  6702. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6703. break;
  6704. bnx2x_phy_def_cfg(params, phy, phy_index);
  6705. params->num_phys++;
  6706. }
  6707. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6708. return 0;
  6709. }
  6710. static void set_phy_vars(struct link_params *params)
  6711. {
  6712. struct bnx2x *bp = params->bp;
  6713. u8 actual_phy_idx, phy_index, link_cfg_idx;
  6714. u8 phy_config_swapped = params->multi_phy_config &
  6715. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6716. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6717. phy_index++) {
  6718. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6719. actual_phy_idx = phy_index;
  6720. if (phy_config_swapped) {
  6721. if (phy_index == EXT_PHY1)
  6722. actual_phy_idx = EXT_PHY2;
  6723. else if (phy_index == EXT_PHY2)
  6724. actual_phy_idx = EXT_PHY1;
  6725. }
  6726. params->phy[actual_phy_idx].req_flow_ctrl =
  6727. params->req_flow_ctrl[link_cfg_idx];
  6728. params->phy[actual_phy_idx].req_line_speed =
  6729. params->req_line_speed[link_cfg_idx];
  6730. params->phy[actual_phy_idx].speed_cap_mask =
  6731. params->speed_cap_mask[link_cfg_idx];
  6732. params->phy[actual_phy_idx].req_duplex =
  6733. params->req_duplex[link_cfg_idx];
  6734. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  6735. " speed_cap_mask %x\n",
  6736. params->phy[actual_phy_idx].req_flow_ctrl,
  6737. params->phy[actual_phy_idx].req_line_speed,
  6738. params->phy[actual_phy_idx].speed_cap_mask);
  6739. }
  6740. }
  6741. u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  6742. {
  6743. struct bnx2x *bp = params->bp;
  6744. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  6745. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  6746. params->req_line_speed[0], params->req_flow_ctrl[0]);
  6747. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  6748. params->req_line_speed[1], params->req_flow_ctrl[1]);
  6749. vars->link_status = 0;
  6750. vars->phy_link_up = 0;
  6751. vars->link_up = 0;
  6752. vars->line_speed = 0;
  6753. vars->duplex = DUPLEX_FULL;
  6754. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6755. vars->mac_type = MAC_TYPE_NONE;
  6756. vars->phy_flags = 0;
  6757. /* disable attentions */
  6758. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  6759. (NIG_MASK_XGXS0_LINK_STATUS |
  6760. NIG_MASK_XGXS0_LINK10G |
  6761. NIG_MASK_SERDES0_LINK_STATUS |
  6762. NIG_MASK_MI_INT));
  6763. bnx2x_emac_init(params, vars);
  6764. if (params->num_phys == 0) {
  6765. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  6766. return -EINVAL;
  6767. }
  6768. set_phy_vars(params);
  6769. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  6770. if (params->loopback_mode == LOOPBACK_BMAC) {
  6771. vars->link_up = 1;
  6772. vars->line_speed = SPEED_10000;
  6773. vars->duplex = DUPLEX_FULL;
  6774. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6775. vars->mac_type = MAC_TYPE_BMAC;
  6776. vars->phy_flags = PHY_XGXS_FLAG;
  6777. bnx2x_xgxs_deassert(params);
  6778. /* set bmac loopback */
  6779. bnx2x_bmac_enable(params, vars, 1);
  6780. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6781. } else if (params->loopback_mode == LOOPBACK_EMAC) {
  6782. vars->link_up = 1;
  6783. vars->line_speed = SPEED_1000;
  6784. vars->duplex = DUPLEX_FULL;
  6785. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6786. vars->mac_type = MAC_TYPE_EMAC;
  6787. vars->phy_flags = PHY_XGXS_FLAG;
  6788. bnx2x_xgxs_deassert(params);
  6789. /* set bmac loopback */
  6790. bnx2x_emac_enable(params, vars, 1);
  6791. bnx2x_emac_program(params, vars);
  6792. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6793. } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
  6794. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  6795. vars->link_up = 1;
  6796. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6797. vars->duplex = DUPLEX_FULL;
  6798. if (params->req_line_speed[0] == SPEED_1000) {
  6799. vars->line_speed = SPEED_1000;
  6800. vars->mac_type = MAC_TYPE_EMAC;
  6801. } else {
  6802. vars->line_speed = SPEED_10000;
  6803. vars->mac_type = MAC_TYPE_BMAC;
  6804. }
  6805. bnx2x_xgxs_deassert(params);
  6806. bnx2x_link_initialize(params, vars);
  6807. if (params->req_line_speed[0] == SPEED_1000) {
  6808. bnx2x_emac_program(params, vars);
  6809. bnx2x_emac_enable(params, vars, 0);
  6810. } else
  6811. bnx2x_bmac_enable(params, vars, 0);
  6812. if (params->loopback_mode == LOOPBACK_XGXS) {
  6813. /* set 10G XGXS loopback */
  6814. params->phy[INT_PHY].config_loopback(
  6815. &params->phy[INT_PHY],
  6816. params);
  6817. } else {
  6818. /* set external phy loopback */
  6819. u8 phy_index;
  6820. for (phy_index = EXT_PHY1;
  6821. phy_index < params->num_phys; phy_index++) {
  6822. if (params->phy[phy_index].config_loopback)
  6823. params->phy[phy_index].config_loopback(
  6824. &params->phy[phy_index],
  6825. params);
  6826. }
  6827. }
  6828. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6829. bnx2x_set_led(params, vars,
  6830. LED_MODE_OPER, vars->line_speed);
  6831. } else
  6832. /* No loopback */
  6833. {
  6834. if (params->switch_cfg == SWITCH_CFG_10G)
  6835. bnx2x_xgxs_deassert(params);
  6836. else
  6837. bnx2x_serdes_deassert(bp, params->port);
  6838. bnx2x_link_initialize(params, vars);
  6839. msleep(30);
  6840. bnx2x_link_int_enable(params);
  6841. }
  6842. return 0;
  6843. }
  6844. u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  6845. u8 reset_ext_phy)
  6846. {
  6847. struct bnx2x *bp = params->bp;
  6848. u8 phy_index, port = params->port, clear_latch_ind = 0;
  6849. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  6850. /* disable attentions */
  6851. vars->link_status = 0;
  6852. bnx2x_update_mng(params, vars->link_status);
  6853. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  6854. (NIG_MASK_XGXS0_LINK_STATUS |
  6855. NIG_MASK_XGXS0_LINK10G |
  6856. NIG_MASK_SERDES0_LINK_STATUS |
  6857. NIG_MASK_MI_INT));
  6858. /* activate nig drain */
  6859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  6860. /* disable nig egress interface */
  6861. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6862. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6863. /* Stop BigMac rx */
  6864. bnx2x_bmac_rx_disable(bp, port);
  6865. /* disable emac */
  6866. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6867. msleep(10);
  6868. /* The PHY reset is controled by GPIO 1
  6869. * Hold it as vars low
  6870. */
  6871. /* clear link led */
  6872. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  6873. if (reset_ext_phy) {
  6874. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6875. phy_index++) {
  6876. if (params->phy[phy_index].link_reset)
  6877. params->phy[phy_index].link_reset(
  6878. &params->phy[phy_index],
  6879. params);
  6880. if (params->phy[phy_index].flags &
  6881. FLAGS_REARM_LATCH_SIGNAL)
  6882. clear_latch_ind = 1;
  6883. }
  6884. }
  6885. if (clear_latch_ind) {
  6886. /* Clear latching indication */
  6887. bnx2x_rearm_latch_signal(bp, port, 0);
  6888. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  6889. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  6890. }
  6891. if (params->phy[INT_PHY].link_reset)
  6892. params->phy[INT_PHY].link_reset(
  6893. &params->phy[INT_PHY], params);
  6894. /* reset BigMac */
  6895. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  6896. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  6897. /* disable nig ingress interface */
  6898. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  6899. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  6900. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  6901. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  6902. vars->link_up = 0;
  6903. return 0;
  6904. }
  6905. /****************************************************************************/
  6906. /* Common function */
  6907. /****************************************************************************/
  6908. static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
  6909. u32 shmem_base_path[],
  6910. u32 shmem2_base_path[], u8 phy_index,
  6911. u32 chip_id)
  6912. {
  6913. struct bnx2x_phy phy[PORT_MAX];
  6914. struct bnx2x_phy *phy_blk[PORT_MAX];
  6915. u16 val;
  6916. s8 port = 0;
  6917. s8 port_of_path = 0;
  6918. u32 swap_val, swap_override;
  6919. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6920. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6921. port ^= (swap_val && swap_override);
  6922. bnx2x_ext_phy_hw_reset(bp, port);
  6923. /* PART1 - Reset both phys */
  6924. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  6925. u32 shmem_base, shmem2_base;
  6926. /* In E2, same phy is using for port0 of the two paths */
  6927. if (CHIP_IS_E2(bp)) {
  6928. shmem_base = shmem_base_path[port];
  6929. shmem2_base = shmem2_base_path[port];
  6930. port_of_path = 0;
  6931. } else {
  6932. shmem_base = shmem_base_path[0];
  6933. shmem2_base = shmem2_base_path[0];
  6934. port_of_path = port;
  6935. }
  6936. /* Extract the ext phy address for the port */
  6937. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  6938. port_of_path, &phy[port]) !=
  6939. 0) {
  6940. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  6941. return -EINVAL;
  6942. }
  6943. /* disable attentions */
  6944. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  6945. port_of_path*4,
  6946. (NIG_MASK_XGXS0_LINK_STATUS |
  6947. NIG_MASK_XGXS0_LINK10G |
  6948. NIG_MASK_SERDES0_LINK_STATUS |
  6949. NIG_MASK_MI_INT));
  6950. /* Need to take the phy out of low power mode in order
  6951. to write to access its registers */
  6952. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6953. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  6954. port);
  6955. /* Reset the phy */
  6956. bnx2x_cl45_write(bp, &phy[port],
  6957. MDIO_PMA_DEVAD,
  6958. MDIO_PMA_REG_CTRL,
  6959. 1<<15);
  6960. }
  6961. /* Add delay of 150ms after reset */
  6962. msleep(150);
  6963. if (phy[PORT_0].addr & 0x1) {
  6964. phy_blk[PORT_0] = &(phy[PORT_1]);
  6965. phy_blk[PORT_1] = &(phy[PORT_0]);
  6966. } else {
  6967. phy_blk[PORT_0] = &(phy[PORT_0]);
  6968. phy_blk[PORT_1] = &(phy[PORT_1]);
  6969. }
  6970. /* PART2 - Download firmware to both phys */
  6971. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  6972. if (CHIP_IS_E2(bp))
  6973. port_of_path = 0;
  6974. else
  6975. port_of_path = port;
  6976. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  6977. phy_blk[port]->addr);
  6978. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  6979. port_of_path))
  6980. return -EINVAL;
  6981. /* Only set bit 10 = 1 (Tx power down) */
  6982. bnx2x_cl45_read(bp, phy_blk[port],
  6983. MDIO_PMA_DEVAD,
  6984. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  6985. /* Phase1 of TX_POWER_DOWN reset */
  6986. bnx2x_cl45_write(bp, phy_blk[port],
  6987. MDIO_PMA_DEVAD,
  6988. MDIO_PMA_REG_TX_POWER_DOWN,
  6989. (val | 1<<10));
  6990. }
  6991. /*
  6992. * Toggle Transmitter: Power down and then up with 600ms delay
  6993. * between
  6994. */
  6995. msleep(600);
  6996. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  6997. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  6998. /* Phase2 of POWER_DOWN_RESET */
  6999. /* Release bit 10 (Release Tx power down) */
  7000. bnx2x_cl45_read(bp, phy_blk[port],
  7001. MDIO_PMA_DEVAD,
  7002. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7003. bnx2x_cl45_write(bp, phy_blk[port],
  7004. MDIO_PMA_DEVAD,
  7005. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7006. msleep(15);
  7007. /* Read modify write the SPI-ROM version select register */
  7008. bnx2x_cl45_read(bp, phy_blk[port],
  7009. MDIO_PMA_DEVAD,
  7010. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7011. bnx2x_cl45_write(bp, phy_blk[port],
  7012. MDIO_PMA_DEVAD,
  7013. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7014. /* set GPIO2 back to LOW */
  7015. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7016. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7017. }
  7018. return 0;
  7019. }
  7020. static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7021. u32 shmem_base_path[],
  7022. u32 shmem2_base_path[], u8 phy_index,
  7023. u32 chip_id)
  7024. {
  7025. u32 val;
  7026. s8 port;
  7027. struct bnx2x_phy phy;
  7028. /* Use port1 because of the static port-swap */
  7029. /* Enable the module detection interrupt */
  7030. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7031. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7032. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7033. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7034. bnx2x_ext_phy_hw_reset(bp, 0);
  7035. msleep(5);
  7036. for (port = 0; port < PORT_MAX; port++) {
  7037. u32 shmem_base, shmem2_base;
  7038. /* In E2, same phy is using for port0 of the two paths */
  7039. if (CHIP_IS_E2(bp)) {
  7040. shmem_base = shmem_base_path[port];
  7041. shmem2_base = shmem2_base_path[port];
  7042. } else {
  7043. shmem_base = shmem_base_path[0];
  7044. shmem2_base = shmem2_base_path[0];
  7045. }
  7046. /* Extract the ext phy address for the port */
  7047. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7048. port, &phy) !=
  7049. 0) {
  7050. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7051. return -EINVAL;
  7052. }
  7053. /* Reset phy*/
  7054. bnx2x_cl45_write(bp, &phy,
  7055. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7056. /* Set fault module detected LED on */
  7057. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7058. MISC_REGISTERS_GPIO_HIGH,
  7059. port);
  7060. }
  7061. return 0;
  7062. }
  7063. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7064. u8 *io_gpio, u8 *io_port)
  7065. {
  7066. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7067. offsetof(struct shmem_region,
  7068. dev_info.port_hw_config[PORT_0].default_cfg));
  7069. switch (phy_gpio_reset) {
  7070. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7071. *io_gpio = 0;
  7072. *io_port = 0;
  7073. break;
  7074. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7075. *io_gpio = 1;
  7076. *io_port = 0;
  7077. break;
  7078. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7079. *io_gpio = 2;
  7080. *io_port = 0;
  7081. break;
  7082. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7083. *io_gpio = 3;
  7084. *io_port = 0;
  7085. break;
  7086. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7087. *io_gpio = 0;
  7088. *io_port = 1;
  7089. break;
  7090. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7091. *io_gpio = 1;
  7092. *io_port = 1;
  7093. break;
  7094. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7095. *io_gpio = 2;
  7096. *io_port = 1;
  7097. break;
  7098. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7099. *io_gpio = 3;
  7100. *io_port = 1;
  7101. break;
  7102. default:
  7103. /* Don't override the io_gpio and io_port */
  7104. break;
  7105. }
  7106. }
  7107. static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7108. u32 shmem_base_path[],
  7109. u32 shmem2_base_path[], u8 phy_index,
  7110. u32 chip_id)
  7111. {
  7112. s8 port, reset_gpio;
  7113. u32 swap_val, swap_override;
  7114. struct bnx2x_phy phy[PORT_MAX];
  7115. struct bnx2x_phy *phy_blk[PORT_MAX];
  7116. s8 port_of_path;
  7117. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7118. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7119. reset_gpio = MISC_REGISTERS_GPIO_1;
  7120. port = 1;
  7121. /*
  7122. * Retrieve the reset gpio/port which control the reset.
  7123. * Default is GPIO1, PORT1
  7124. */
  7125. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7126. (u8 *)&reset_gpio, (u8 *)&port);
  7127. /* Calculate the port based on port swap */
  7128. port ^= (swap_val && swap_override);
  7129. /* Initiate PHY reset*/
  7130. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7131. port);
  7132. msleep(1);
  7133. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7134. port);
  7135. msleep(5);
  7136. /* PART1 - Reset both phys */
  7137. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7138. u32 shmem_base, shmem2_base;
  7139. /* In E2, same phy is using for port0 of the two paths */
  7140. if (CHIP_IS_E2(bp)) {
  7141. shmem_base = shmem_base_path[port];
  7142. shmem2_base = shmem2_base_path[port];
  7143. port_of_path = 0;
  7144. } else {
  7145. shmem_base = shmem_base_path[0];
  7146. shmem2_base = shmem2_base_path[0];
  7147. port_of_path = port;
  7148. }
  7149. /* Extract the ext phy address for the port */
  7150. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7151. port_of_path, &phy[port]) !=
  7152. 0) {
  7153. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7154. return -EINVAL;
  7155. }
  7156. /* disable attentions */
  7157. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7158. port_of_path*4,
  7159. (NIG_MASK_XGXS0_LINK_STATUS |
  7160. NIG_MASK_XGXS0_LINK10G |
  7161. NIG_MASK_SERDES0_LINK_STATUS |
  7162. NIG_MASK_MI_INT));
  7163. /* Reset the phy */
  7164. bnx2x_cl45_write(bp, &phy[port],
  7165. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7166. }
  7167. /* Add delay of 150ms after reset */
  7168. msleep(150);
  7169. if (phy[PORT_0].addr & 0x1) {
  7170. phy_blk[PORT_0] = &(phy[PORT_1]);
  7171. phy_blk[PORT_1] = &(phy[PORT_0]);
  7172. } else {
  7173. phy_blk[PORT_0] = &(phy[PORT_0]);
  7174. phy_blk[PORT_1] = &(phy[PORT_1]);
  7175. }
  7176. /* PART2 - Download firmware to both phys */
  7177. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7178. if (CHIP_IS_E2(bp))
  7179. port_of_path = 0;
  7180. else
  7181. port_of_path = port;
  7182. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7183. phy_blk[port]->addr);
  7184. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7185. port_of_path))
  7186. return -EINVAL;
  7187. }
  7188. return 0;
  7189. }
  7190. static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7191. u32 shmem2_base_path[], u8 phy_index,
  7192. u32 ext_phy_type, u32 chip_id)
  7193. {
  7194. u8 rc = 0;
  7195. switch (ext_phy_type) {
  7196. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7197. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7198. shmem2_base_path,
  7199. phy_index, chip_id);
  7200. break;
  7201. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7202. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7203. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7204. shmem2_base_path,
  7205. phy_index, chip_id);
  7206. break;
  7207. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7208. /*
  7209. * GPIO1 affects both ports, so there's need to pull
  7210. * it for single port alone
  7211. */
  7212. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7213. shmem2_base_path,
  7214. phy_index, chip_id);
  7215. break;
  7216. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7217. rc = -EINVAL;
  7218. break;
  7219. default:
  7220. DP(NETIF_MSG_LINK,
  7221. "ext_phy 0x%x common init not required\n",
  7222. ext_phy_type);
  7223. break;
  7224. }
  7225. if (rc != 0)
  7226. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7227. " Port %d\n",
  7228. 0);
  7229. return rc;
  7230. }
  7231. u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7232. u32 shmem2_base_path[], u32 chip_id)
  7233. {
  7234. u8 rc = 0;
  7235. u32 phy_ver;
  7236. u8 phy_index;
  7237. u32 ext_phy_type, ext_phy_config;
  7238. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7239. /* Check if common init was already done */
  7240. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7241. offsetof(struct shmem_region,
  7242. port_mb[PORT_0].ext_phy_fw_version));
  7243. if (phy_ver) {
  7244. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7245. phy_ver);
  7246. return 0;
  7247. }
  7248. /* Read the ext_phy_type for arbitrary port(0) */
  7249. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7250. phy_index++) {
  7251. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7252. shmem_base_path[0],
  7253. phy_index, 0);
  7254. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7255. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7256. shmem2_base_path,
  7257. phy_index, ext_phy_type,
  7258. chip_id);
  7259. }
  7260. return rc;
  7261. }
  7262. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7263. {
  7264. u8 phy_index;
  7265. struct bnx2x_phy phy;
  7266. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7267. phy_index++) {
  7268. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7269. 0, &phy) != 0) {
  7270. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7271. return 0;
  7272. }
  7273. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7274. return 1;
  7275. }
  7276. return 0;
  7277. }
  7278. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7279. u32 shmem_base,
  7280. u32 shmem2_base,
  7281. u8 port)
  7282. {
  7283. u8 phy_index, fan_failure_det_req = 0;
  7284. struct bnx2x_phy phy;
  7285. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7286. phy_index++) {
  7287. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7288. port, &phy)
  7289. != 0) {
  7290. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7291. return 0;
  7292. }
  7293. fan_failure_det_req |= (phy.flags &
  7294. FLAGS_FAN_FAILURE_DET_REQ);
  7295. }
  7296. return fan_failure_det_req;
  7297. }
  7298. void bnx2x_hw_reset_phy(struct link_params *params)
  7299. {
  7300. u8 phy_index;
  7301. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7302. phy_index++) {
  7303. if (params->phy[phy_index].hw_reset) {
  7304. params->phy[phy_index].hw_reset(
  7305. &params->phy[phy_index],
  7306. params);
  7307. params->phy[phy_index] = phy_null;
  7308. }
  7309. }
  7310. }