bnx2x_link.c 241 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. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  299. {
  300. /* ETS disabled configuration*/
  301. struct bnx2x *bp = params->bp;
  302. u32 val = 0;
  303. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  304. /*
  305. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  306. * as strict. Bits 0,1,2 - debug and management entries,
  307. * 3 - COS0 entry, 4 - COS1 entry.
  308. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  309. * bit4 bit3 bit2 bit1 bit0
  310. * MCP and debug are strict
  311. */
  312. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  313. /*
  314. * For strict priority entries defines the number of consecutive slots
  315. * for the highest priority.
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  318. /* ETS mode disable */
  319. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  320. /* Defines the number of consecutive slots for the strict priority */
  321. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  322. /* Defines the number of consecutive slots for the strict priority */
  323. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  324. /*
  325. * mapping between entry priority to client number (0,1,2 -debug and
  326. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  327. * 3bits client num.
  328. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  329. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  330. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  331. */
  332. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  334. return 0;
  335. }
  336. /******************************************************************/
  337. /* PFC section */
  338. /******************************************************************/
  339. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  340. u32 pfc_frames_sent[2],
  341. u32 pfc_frames_received[2])
  342. {
  343. /* Read pfc statistic */
  344. struct bnx2x *bp = params->bp;
  345. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  346. NIG_REG_INGRESS_BMAC0_MEM;
  347. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  348. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  349. pfc_frames_sent, 2);
  350. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  351. pfc_frames_received, 2);
  352. }
  353. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  354. u32 pfc_frames_sent[2],
  355. u32 pfc_frames_received[2])
  356. {
  357. /* Read pfc statistic */
  358. struct bnx2x *bp = params->bp;
  359. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  360. u32 val_xon = 0;
  361. u32 val_xoff = 0;
  362. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  363. /* PFC received frames */
  364. val_xoff = REG_RD(bp, emac_base +
  365. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  366. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  367. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  368. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  369. pfc_frames_received[0] = val_xon + val_xoff;
  370. /* PFC received sent */
  371. val_xoff = REG_RD(bp, emac_base +
  372. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  373. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  374. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  375. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  376. pfc_frames_sent[0] = val_xon + val_xoff;
  377. }
  378. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  379. u32 pfc_frames_sent[2],
  380. u32 pfc_frames_received[2])
  381. {
  382. /* Read pfc statistic */
  383. struct bnx2x *bp = params->bp;
  384. u32 val = 0;
  385. DP(NETIF_MSG_LINK, "pfc statistic\n");
  386. if (!vars->link_up)
  387. return;
  388. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  389. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  390. == 0) {
  391. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  392. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  393. pfc_frames_received);
  394. } else {
  395. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  396. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  397. pfc_frames_received);
  398. }
  399. }
  400. /******************************************************************/
  401. /* MAC/PBF section */
  402. /******************************************************************/
  403. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  404. {
  405. u32 mode, emac_base;
  406. /**
  407. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  408. * (a value of 49==0x31) and make sure that the AUTO poll is off
  409. */
  410. if (CHIP_IS_E2(bp))
  411. emac_base = GRCBASE_EMAC0;
  412. else
  413. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  414. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  415. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  416. EMAC_MDIO_MODE_CLOCK_CNT);
  417. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  418. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  419. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  420. udelay(40);
  421. }
  422. static void bnx2x_emac_init(struct link_params *params,
  423. struct link_vars *vars)
  424. {
  425. /* reset and unreset the emac core */
  426. struct bnx2x *bp = params->bp;
  427. u8 port = params->port;
  428. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  429. u32 val;
  430. u16 timeout;
  431. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  432. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  433. udelay(5);
  434. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  435. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  436. /* init emac - use read-modify-write */
  437. /* self clear reset */
  438. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  440. timeout = 200;
  441. do {
  442. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  443. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  444. if (!timeout) {
  445. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  446. return;
  447. }
  448. timeout--;
  449. } while (val & EMAC_MODE_RESET);
  450. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  451. /* Set mac address */
  452. val = ((params->mac_addr[0] << 8) |
  453. params->mac_addr[1]);
  454. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  455. val = ((params->mac_addr[2] << 24) |
  456. (params->mac_addr[3] << 16) |
  457. (params->mac_addr[4] << 8) |
  458. params->mac_addr[5]);
  459. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  460. }
  461. static int bnx2x_emac_enable(struct link_params *params,
  462. struct link_vars *vars, u8 lb)
  463. {
  464. struct bnx2x *bp = params->bp;
  465. u8 port = params->port;
  466. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  467. u32 val;
  468. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  469. /* enable emac and not bmac */
  470. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  471. /* ASIC */
  472. if (vars->phy_flags & PHY_XGXS_FLAG) {
  473. u32 ser_lane = ((params->lane_config &
  474. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  475. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  476. DP(NETIF_MSG_LINK, "XGXS\n");
  477. /* select the master lanes (out of 0-3) */
  478. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  479. /* select XGXS */
  480. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  481. } else { /* SerDes */
  482. DP(NETIF_MSG_LINK, "SerDes\n");
  483. /* select SerDes */
  484. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  485. }
  486. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  487. EMAC_RX_MODE_RESET);
  488. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  489. EMAC_TX_MODE_RESET);
  490. if (CHIP_REV_IS_SLOW(bp)) {
  491. /* config GMII mode */
  492. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  493. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  494. } else { /* ASIC */
  495. /* pause enable/disable */
  496. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  497. EMAC_RX_MODE_FLOW_EN);
  498. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  499. (EMAC_TX_MODE_EXT_PAUSE_EN |
  500. EMAC_TX_MODE_FLOW_EN));
  501. if (!(params->feature_config_flags &
  502. FEATURE_CONFIG_PFC_ENABLED)) {
  503. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  504. bnx2x_bits_en(bp, emac_base +
  505. EMAC_REG_EMAC_RX_MODE,
  506. EMAC_RX_MODE_FLOW_EN);
  507. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  508. bnx2x_bits_en(bp, emac_base +
  509. EMAC_REG_EMAC_TX_MODE,
  510. (EMAC_TX_MODE_EXT_PAUSE_EN |
  511. EMAC_TX_MODE_FLOW_EN));
  512. } else
  513. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  514. EMAC_TX_MODE_FLOW_EN);
  515. }
  516. /* KEEP_VLAN_TAG, promiscuous */
  517. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  518. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  519. /*
  520. * Setting this bit causes MAC control frames (except for pause
  521. * frames) to be passed on for processing. This setting has no
  522. * affect on the operation of the pause frames. This bit effects
  523. * all packets regardless of RX Parser packet sorting logic.
  524. * Turn the PFC off to make sure we are in Xon state before
  525. * enabling it.
  526. */
  527. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  528. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  529. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  530. /* Enable PFC again */
  531. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  532. EMAC_REG_RX_PFC_MODE_RX_EN |
  533. EMAC_REG_RX_PFC_MODE_TX_EN |
  534. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  535. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  536. ((0x0101 <<
  537. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  538. (0x00ff <<
  539. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  540. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  541. }
  542. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  543. /* Set Loopback */
  544. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  545. if (lb)
  546. val |= 0x810;
  547. else
  548. val &= ~0x810;
  549. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  550. /* enable emac */
  551. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  552. /* enable emac for jumbo packets */
  553. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  554. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  555. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  556. /* strip CRC */
  557. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  558. /* disable the NIG in/out to the bmac */
  559. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  560. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  561. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  562. /* enable the NIG in/out to the emac */
  563. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  564. val = 0;
  565. if ((params->feature_config_flags &
  566. FEATURE_CONFIG_PFC_ENABLED) ||
  567. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  568. val = 1;
  569. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  570. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  571. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  572. vars->mac_type = MAC_TYPE_EMAC;
  573. return 0;
  574. }
  575. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  576. struct link_vars *vars)
  577. {
  578. u32 wb_data[2];
  579. struct bnx2x *bp = params->bp;
  580. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  581. NIG_REG_INGRESS_BMAC0_MEM;
  582. u32 val = 0x14;
  583. if ((!(params->feature_config_flags &
  584. FEATURE_CONFIG_PFC_ENABLED)) &&
  585. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  586. /* Enable BigMAC to react on received Pause packets */
  587. val |= (1<<5);
  588. wb_data[0] = val;
  589. wb_data[1] = 0;
  590. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  591. /* tx control */
  592. val = 0xc0;
  593. if (!(params->feature_config_flags &
  594. FEATURE_CONFIG_PFC_ENABLED) &&
  595. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  596. val |= 0x800000;
  597. wb_data[0] = val;
  598. wb_data[1] = 0;
  599. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  600. }
  601. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  602. struct link_vars *vars,
  603. u8 is_lb)
  604. {
  605. /*
  606. * Set rx control: Strip CRC and enable BigMAC to relay
  607. * control packets to the system as well
  608. */
  609. u32 wb_data[2];
  610. struct bnx2x *bp = params->bp;
  611. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  612. NIG_REG_INGRESS_BMAC0_MEM;
  613. u32 val = 0x14;
  614. if ((!(params->feature_config_flags &
  615. FEATURE_CONFIG_PFC_ENABLED)) &&
  616. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  617. /* Enable BigMAC to react on received Pause packets */
  618. val |= (1<<5);
  619. wb_data[0] = val;
  620. wb_data[1] = 0;
  621. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  622. udelay(30);
  623. /* Tx control */
  624. val = 0xc0;
  625. if (!(params->feature_config_flags &
  626. FEATURE_CONFIG_PFC_ENABLED) &&
  627. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  628. val |= 0x800000;
  629. wb_data[0] = val;
  630. wb_data[1] = 0;
  631. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  632. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  633. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  634. /* Enable PFC RX & TX & STATS and set 8 COS */
  635. wb_data[0] = 0x0;
  636. wb_data[0] |= (1<<0); /* RX */
  637. wb_data[0] |= (1<<1); /* TX */
  638. wb_data[0] |= (1<<2); /* Force initial Xon */
  639. wb_data[0] |= (1<<3); /* 8 cos */
  640. wb_data[0] |= (1<<5); /* STATS */
  641. wb_data[1] = 0;
  642. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  643. wb_data, 2);
  644. /* Clear the force Xon */
  645. wb_data[0] &= ~(1<<2);
  646. } else {
  647. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  648. /* disable PFC RX & TX & STATS and set 8 COS */
  649. wb_data[0] = 0x8;
  650. wb_data[1] = 0;
  651. }
  652. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  653. /*
  654. * Set Time (based unit is 512 bit time) between automatic
  655. * re-sending of PP packets amd enable automatic re-send of
  656. * Per-Priroity Packet as long as pp_gen is asserted and
  657. * pp_disable is low.
  658. */
  659. val = 0x8000;
  660. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  661. val |= (1<<16); /* enable automatic re-send */
  662. wb_data[0] = val;
  663. wb_data[1] = 0;
  664. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  665. wb_data, 2);
  666. /* mac control */
  667. val = 0x3; /* Enable RX and TX */
  668. if (is_lb) {
  669. val |= 0x4; /* Local loopback */
  670. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  671. }
  672. /* When PFC enabled, Pass pause frames towards the NIG. */
  673. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  674. val |= ((1<<6)|(1<<5));
  675. wb_data[0] = val;
  676. wb_data[1] = 0;
  677. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  678. }
  679. static void bnx2x_update_pfc_brb(struct link_params *params,
  680. struct link_vars *vars,
  681. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  682. {
  683. struct bnx2x *bp = params->bp;
  684. int set_pfc = params->feature_config_flags &
  685. FEATURE_CONFIG_PFC_ENABLED;
  686. /* default - pause configuration */
  687. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  688. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  689. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  690. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  691. if (set_pfc && pfc_params)
  692. /* First COS */
  693. if (!pfc_params->cos0_pauseable) {
  694. pause_xoff_th =
  695. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  696. pause_xon_th =
  697. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  698. full_xoff_th =
  699. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  700. full_xon_th =
  701. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  702. }
  703. /*
  704. * The number of free blocks below which the pause signal to class 0
  705. * of MAC #n is asserted. n=0,1
  706. */
  707. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  708. /*
  709. * The number of free blocks above which the pause signal to class 0
  710. * of MAC #n is de-asserted. n=0,1
  711. */
  712. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  713. /*
  714. * The number of free blocks below which the full signal to class 0
  715. * of MAC #n is asserted. n=0,1
  716. */
  717. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  718. /*
  719. * The number of free blocks above which the full signal to class 0
  720. * of MAC #n is de-asserted. n=0,1
  721. */
  722. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  723. if (set_pfc && pfc_params) {
  724. /* Second COS */
  725. if (pfc_params->cos1_pauseable) {
  726. pause_xoff_th =
  727. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  728. pause_xon_th =
  729. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  730. full_xoff_th =
  731. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  732. full_xon_th =
  733. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  734. } else {
  735. pause_xoff_th =
  736. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  737. pause_xon_th =
  738. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  739. full_xoff_th =
  740. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  741. full_xon_th =
  742. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  743. }
  744. /*
  745. * The number of free blocks below which the pause signal to
  746. * class 1 of MAC #n is asserted. n=0,1
  747. */
  748. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  749. /*
  750. * The number of free blocks above which the pause signal to
  751. * class 1 of MAC #n is de-asserted. n=0,1
  752. */
  753. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  754. /*
  755. * The number of free blocks below which the full signal to
  756. * class 1 of MAC #n is asserted. n=0,1
  757. */
  758. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  759. /*
  760. * The number of free blocks above which the full signal to
  761. * class 1 of MAC #n is de-asserted. n=0,1
  762. */
  763. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  764. }
  765. }
  766. static void bnx2x_update_pfc_nig(struct link_params *params,
  767. struct link_vars *vars,
  768. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  769. {
  770. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  771. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  772. u32 pkt_priority_to_cos = 0;
  773. u32 val;
  774. struct bnx2x *bp = params->bp;
  775. int port = params->port;
  776. int set_pfc = params->feature_config_flags &
  777. FEATURE_CONFIG_PFC_ENABLED;
  778. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  779. /*
  780. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  781. * MAC control frames (that are not pause packets)
  782. * will be forwarded to the XCM.
  783. */
  784. xcm_mask = REG_RD(bp,
  785. port ? NIG_REG_LLH1_XCM_MASK :
  786. NIG_REG_LLH0_XCM_MASK);
  787. /*
  788. * nig params will override non PFC params, since it's possible to
  789. * do transition from PFC to SAFC
  790. */
  791. if (set_pfc) {
  792. pause_enable = 0;
  793. llfc_out_en = 0;
  794. llfc_enable = 0;
  795. ppp_enable = 1;
  796. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  797. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  798. xcm0_out_en = 0;
  799. p0_hwpfc_enable = 1;
  800. } else {
  801. if (nig_params) {
  802. llfc_out_en = nig_params->llfc_out_en;
  803. llfc_enable = nig_params->llfc_enable;
  804. pause_enable = nig_params->pause_enable;
  805. } else /*defaul non PFC mode - PAUSE */
  806. pause_enable = 1;
  807. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  808. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  809. xcm0_out_en = 1;
  810. }
  811. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  812. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  813. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  814. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  815. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  816. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  817. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  818. NIG_REG_PPP_ENABLE_0, ppp_enable);
  819. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  820. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  821. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  822. /* output enable for RX_XCM # IF */
  823. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  824. /* HW PFC TX enable */
  825. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  826. /* 0x2 = BMAC, 0x1= EMAC */
  827. switch (vars->mac_type) {
  828. case MAC_TYPE_EMAC:
  829. val = 1;
  830. break;
  831. case MAC_TYPE_BMAC:
  832. val = 0;
  833. break;
  834. default:
  835. val = 0;
  836. break;
  837. }
  838. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  839. if (nig_params) {
  840. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  841. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  842. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  843. nig_params->rx_cos0_priority_mask);
  844. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  845. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  846. nig_params->rx_cos1_priority_mask);
  847. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  848. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  849. nig_params->llfc_high_priority_classes);
  850. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  851. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  852. nig_params->llfc_low_priority_classes);
  853. }
  854. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  855. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  856. pkt_priority_to_cos);
  857. }
  858. void bnx2x_update_pfc(struct link_params *params,
  859. struct link_vars *vars,
  860. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  861. {
  862. /*
  863. * The PFC and pause are orthogonal to one another, meaning when
  864. * PFC is enabled, the pause are disabled, and when PFC is
  865. * disabled, pause are set according to the pause result.
  866. */
  867. u32 val;
  868. struct bnx2x *bp = params->bp;
  869. /* update NIG params */
  870. bnx2x_update_pfc_nig(params, vars, pfc_params);
  871. /* update BRB params */
  872. bnx2x_update_pfc_brb(params, vars, pfc_params);
  873. if (!vars->link_up)
  874. return;
  875. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  876. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  877. == 0) {
  878. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  879. bnx2x_emac_enable(params, vars, 0);
  880. return;
  881. }
  882. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  883. if (CHIP_IS_E2(bp))
  884. bnx2x_update_pfc_bmac2(params, vars, 0);
  885. else
  886. bnx2x_update_pfc_bmac1(params, vars);
  887. val = 0;
  888. if ((params->feature_config_flags &
  889. FEATURE_CONFIG_PFC_ENABLED) ||
  890. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  891. val = 1;
  892. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  893. }
  894. static int bnx2x_bmac1_enable(struct link_params *params,
  895. struct link_vars *vars,
  896. u8 is_lb)
  897. {
  898. struct bnx2x *bp = params->bp;
  899. u8 port = params->port;
  900. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  901. NIG_REG_INGRESS_BMAC0_MEM;
  902. u32 wb_data[2];
  903. u32 val;
  904. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  905. /* XGXS control */
  906. wb_data[0] = 0x3c;
  907. wb_data[1] = 0;
  908. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  909. wb_data, 2);
  910. /* tx MAC SA */
  911. wb_data[0] = ((params->mac_addr[2] << 24) |
  912. (params->mac_addr[3] << 16) |
  913. (params->mac_addr[4] << 8) |
  914. params->mac_addr[5]);
  915. wb_data[1] = ((params->mac_addr[0] << 8) |
  916. params->mac_addr[1]);
  917. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  918. /* mac control */
  919. val = 0x3;
  920. if (is_lb) {
  921. val |= 0x4;
  922. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  923. }
  924. wb_data[0] = val;
  925. wb_data[1] = 0;
  926. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  927. /* set rx mtu */
  928. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  929. wb_data[1] = 0;
  930. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  931. bnx2x_update_pfc_bmac1(params, vars);
  932. /* set tx mtu */
  933. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  934. wb_data[1] = 0;
  935. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  936. /* set cnt max size */
  937. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  938. wb_data[1] = 0;
  939. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  940. /* configure safc */
  941. wb_data[0] = 0x1000200;
  942. wb_data[1] = 0;
  943. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  944. wb_data, 2);
  945. return 0;
  946. }
  947. static int bnx2x_bmac2_enable(struct link_params *params,
  948. struct link_vars *vars,
  949. u8 is_lb)
  950. {
  951. struct bnx2x *bp = params->bp;
  952. u8 port = params->port;
  953. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  954. NIG_REG_INGRESS_BMAC0_MEM;
  955. u32 wb_data[2];
  956. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  957. wb_data[0] = 0;
  958. wb_data[1] = 0;
  959. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  960. udelay(30);
  961. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  962. wb_data[0] = 0x3c;
  963. wb_data[1] = 0;
  964. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  965. wb_data, 2);
  966. udelay(30);
  967. /* tx MAC SA */
  968. wb_data[0] = ((params->mac_addr[2] << 24) |
  969. (params->mac_addr[3] << 16) |
  970. (params->mac_addr[4] << 8) |
  971. params->mac_addr[5]);
  972. wb_data[1] = ((params->mac_addr[0] << 8) |
  973. params->mac_addr[1]);
  974. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  975. wb_data, 2);
  976. udelay(30);
  977. /* Configure SAFC */
  978. wb_data[0] = 0x1000200;
  979. wb_data[1] = 0;
  980. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  981. wb_data, 2);
  982. udelay(30);
  983. /* set rx mtu */
  984. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  985. wb_data[1] = 0;
  986. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  987. udelay(30);
  988. /* set tx mtu */
  989. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  990. wb_data[1] = 0;
  991. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  992. udelay(30);
  993. /* set cnt max size */
  994. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  995. wb_data[1] = 0;
  996. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  997. udelay(30);
  998. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  999. return 0;
  1000. }
  1001. static int bnx2x_bmac_enable(struct link_params *params,
  1002. struct link_vars *vars,
  1003. u8 is_lb)
  1004. {
  1005. int rc = 0;
  1006. u8 port = params->port;
  1007. struct bnx2x *bp = params->bp;
  1008. u32 val;
  1009. /* reset and unreset the BigMac */
  1010. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1011. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1012. msleep(1);
  1013. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1014. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1015. /* enable access for bmac registers */
  1016. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  1017. /* Enable BMAC according to BMAC type*/
  1018. if (CHIP_IS_E2(bp))
  1019. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  1020. else
  1021. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1022. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1023. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1024. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1025. val = 0;
  1026. if ((params->feature_config_flags &
  1027. FEATURE_CONFIG_PFC_ENABLED) ||
  1028. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1029. val = 1;
  1030. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1031. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1032. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1033. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1034. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1035. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1036. vars->mac_type = MAC_TYPE_BMAC;
  1037. return rc;
  1038. }
  1039. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1040. {
  1041. struct bnx2x *bp = params->bp;
  1042. REG_WR(bp, params->shmem_base +
  1043. offsetof(struct shmem_region,
  1044. port_mb[params->port].link_status), link_status);
  1045. }
  1046. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1047. {
  1048. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1049. NIG_REG_INGRESS_BMAC0_MEM;
  1050. u32 wb_data[2];
  1051. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1052. /* Only if the bmac is out of reset */
  1053. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1054. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1055. nig_bmac_enable) {
  1056. if (CHIP_IS_E2(bp)) {
  1057. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1058. REG_RD_DMAE(bp, bmac_addr +
  1059. BIGMAC2_REGISTER_BMAC_CONTROL,
  1060. wb_data, 2);
  1061. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1062. REG_WR_DMAE(bp, bmac_addr +
  1063. BIGMAC2_REGISTER_BMAC_CONTROL,
  1064. wb_data, 2);
  1065. } else {
  1066. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1067. REG_RD_DMAE(bp, bmac_addr +
  1068. BIGMAC_REGISTER_BMAC_CONTROL,
  1069. wb_data, 2);
  1070. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1071. REG_WR_DMAE(bp, bmac_addr +
  1072. BIGMAC_REGISTER_BMAC_CONTROL,
  1073. wb_data, 2);
  1074. }
  1075. msleep(1);
  1076. }
  1077. }
  1078. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1079. u32 line_speed)
  1080. {
  1081. struct bnx2x *bp = params->bp;
  1082. u8 port = params->port;
  1083. u32 init_crd, crd;
  1084. u32 count = 1000;
  1085. /* disable port */
  1086. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1087. /* wait for init credit */
  1088. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1089. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1090. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1091. while ((init_crd != crd) && count) {
  1092. msleep(5);
  1093. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1094. count--;
  1095. }
  1096. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1097. if (init_crd != crd) {
  1098. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1099. init_crd, crd);
  1100. return -EINVAL;
  1101. }
  1102. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1103. line_speed == SPEED_10 ||
  1104. line_speed == SPEED_100 ||
  1105. line_speed == SPEED_1000 ||
  1106. line_speed == SPEED_2500) {
  1107. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1108. /* update threshold */
  1109. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1110. /* update init credit */
  1111. init_crd = 778; /* (800-18-4) */
  1112. } else {
  1113. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1114. ETH_OVREHEAD)/16;
  1115. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1116. /* update threshold */
  1117. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1118. /* update init credit */
  1119. switch (line_speed) {
  1120. case SPEED_10000:
  1121. init_crd = thresh + 553 - 22;
  1122. break;
  1123. case SPEED_12000:
  1124. init_crd = thresh + 664 - 22;
  1125. break;
  1126. case SPEED_13000:
  1127. init_crd = thresh + 742 - 22;
  1128. break;
  1129. case SPEED_16000:
  1130. init_crd = thresh + 778 - 22;
  1131. break;
  1132. default:
  1133. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1134. line_speed);
  1135. return -EINVAL;
  1136. }
  1137. }
  1138. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1139. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1140. line_speed, init_crd);
  1141. /* probe the credit changes */
  1142. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1143. msleep(5);
  1144. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1145. /* enable port */
  1146. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1147. return 0;
  1148. }
  1149. /**
  1150. * bnx2x_get_emac_base - retrive emac base address
  1151. *
  1152. * @bp: driver handle
  1153. * @mdc_mdio_access: access type
  1154. * @port: port id
  1155. *
  1156. * This function selects the MDC/MDIO access (through emac0 or
  1157. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1158. * phy has a default access mode, which could also be overridden
  1159. * by nvram configuration. This parameter, whether this is the
  1160. * default phy configuration, or the nvram overrun
  1161. * configuration, is passed here as mdc_mdio_access and selects
  1162. * the emac_base for the CL45 read/writes operations
  1163. */
  1164. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1165. u32 mdc_mdio_access, u8 port)
  1166. {
  1167. u32 emac_base = 0;
  1168. switch (mdc_mdio_access) {
  1169. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1170. break;
  1171. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1172. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1173. emac_base = GRCBASE_EMAC1;
  1174. else
  1175. emac_base = GRCBASE_EMAC0;
  1176. break;
  1177. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1178. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1179. emac_base = GRCBASE_EMAC0;
  1180. else
  1181. emac_base = GRCBASE_EMAC1;
  1182. break;
  1183. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1184. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1185. break;
  1186. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1187. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1188. break;
  1189. default:
  1190. break;
  1191. }
  1192. return emac_base;
  1193. }
  1194. /******************************************************************/
  1195. /* CL45 access functions */
  1196. /******************************************************************/
  1197. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1198. u8 devad, u16 reg, u16 *ret_val)
  1199. {
  1200. u32 val;
  1201. u16 i;
  1202. int rc = 0;
  1203. /* address */
  1204. val = ((phy->addr << 21) | (devad << 16) | reg |
  1205. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1206. EMAC_MDIO_COMM_START_BUSY);
  1207. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1208. for (i = 0; i < 50; i++) {
  1209. udelay(10);
  1210. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1211. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1212. udelay(5);
  1213. break;
  1214. }
  1215. }
  1216. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1217. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1218. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1219. *ret_val = 0;
  1220. rc = -EFAULT;
  1221. } else {
  1222. /* data */
  1223. val = ((phy->addr << 21) | (devad << 16) |
  1224. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1225. EMAC_MDIO_COMM_START_BUSY);
  1226. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1227. for (i = 0; i < 50; i++) {
  1228. udelay(10);
  1229. val = REG_RD(bp, phy->mdio_ctrl +
  1230. EMAC_REG_EMAC_MDIO_COMM);
  1231. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1232. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1233. break;
  1234. }
  1235. }
  1236. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1237. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1238. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1239. *ret_val = 0;
  1240. rc = -EFAULT;
  1241. }
  1242. }
  1243. return rc;
  1244. }
  1245. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1246. u8 devad, u16 reg, u16 val)
  1247. {
  1248. u32 tmp;
  1249. u8 i;
  1250. int rc = 0;
  1251. /* address */
  1252. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1253. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1254. EMAC_MDIO_COMM_START_BUSY);
  1255. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1256. for (i = 0; i < 50; i++) {
  1257. udelay(10);
  1258. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1259. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1260. udelay(5);
  1261. break;
  1262. }
  1263. }
  1264. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1265. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1266. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1267. rc = -EFAULT;
  1268. } else {
  1269. /* data */
  1270. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1271. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1272. EMAC_MDIO_COMM_START_BUSY);
  1273. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1274. for (i = 0; i < 50; i++) {
  1275. udelay(10);
  1276. tmp = REG_RD(bp, phy->mdio_ctrl +
  1277. EMAC_REG_EMAC_MDIO_COMM);
  1278. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1279. udelay(5);
  1280. break;
  1281. }
  1282. }
  1283. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1284. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1285. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1286. rc = -EFAULT;
  1287. }
  1288. }
  1289. return rc;
  1290. }
  1291. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1292. u8 devad, u16 reg, u16 *ret_val)
  1293. {
  1294. u8 phy_index;
  1295. /*
  1296. * Probe for the phy according to the given phy_addr, and execute
  1297. * the read request on it
  1298. */
  1299. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1300. if (params->phy[phy_index].addr == phy_addr) {
  1301. return bnx2x_cl45_read(params->bp,
  1302. &params->phy[phy_index], devad,
  1303. reg, ret_val);
  1304. }
  1305. }
  1306. return -EINVAL;
  1307. }
  1308. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1309. u8 devad, u16 reg, u16 val)
  1310. {
  1311. u8 phy_index;
  1312. /*
  1313. * Probe for the phy according to the given phy_addr, and execute
  1314. * the write request on it
  1315. */
  1316. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1317. if (params->phy[phy_index].addr == phy_addr) {
  1318. return bnx2x_cl45_write(params->bp,
  1319. &params->phy[phy_index], devad,
  1320. reg, val);
  1321. }
  1322. }
  1323. return -EINVAL;
  1324. }
  1325. static void bnx2x_set_aer_mmd(struct link_params *params,
  1326. struct bnx2x_phy *phy)
  1327. {
  1328. u32 ser_lane;
  1329. u16 offset, aer_val;
  1330. struct bnx2x *bp = params->bp;
  1331. ser_lane = ((params->lane_config &
  1332. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1333. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1334. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  1335. (phy->addr + ser_lane) : 0;
  1336. if (CHIP_IS_E2(bp))
  1337. aer_val = 0x3800 + offset - 1;
  1338. else
  1339. aer_val = 0x3800 + offset;
  1340. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  1341. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1342. MDIO_AER_BLOCK_AER_REG, aer_val);
  1343. }
  1344. /******************************************************************/
  1345. /* Internal phy section */
  1346. /******************************************************************/
  1347. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1348. {
  1349. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1350. /* Set Clause 22 */
  1351. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1352. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1353. udelay(500);
  1354. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1355. udelay(500);
  1356. /* Set Clause 45 */
  1357. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1358. }
  1359. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1360. {
  1361. u32 val;
  1362. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1363. val = SERDES_RESET_BITS << (port*16);
  1364. /* reset and unreset the SerDes/XGXS */
  1365. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1366. udelay(500);
  1367. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1368. bnx2x_set_serdes_access(bp, port);
  1369. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1370. DEFAULT_PHY_DEV_ADDR);
  1371. }
  1372. static void bnx2x_xgxs_deassert(struct link_params *params)
  1373. {
  1374. struct bnx2x *bp = params->bp;
  1375. u8 port;
  1376. u32 val;
  1377. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1378. port = params->port;
  1379. val = XGXS_RESET_BITS << (port*16);
  1380. /* reset and unreset the SerDes/XGXS */
  1381. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1382. udelay(500);
  1383. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1384. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1385. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1386. params->phy[INT_PHY].def_md_devad);
  1387. }
  1388. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1389. struct link_params *params, u16 *ieee_fc)
  1390. {
  1391. struct bnx2x *bp = params->bp;
  1392. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1393. /**
  1394. * resolve pause mode and advertisement Please refer to Table
  1395. * 28B-3 of the 802.3ab-1999 spec
  1396. */
  1397. switch (phy->req_flow_ctrl) {
  1398. case BNX2X_FLOW_CTRL_AUTO:
  1399. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1400. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1401. else
  1402. *ieee_fc |=
  1403. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1404. break;
  1405. case BNX2X_FLOW_CTRL_TX:
  1406. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1407. break;
  1408. case BNX2X_FLOW_CTRL_RX:
  1409. case BNX2X_FLOW_CTRL_BOTH:
  1410. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1411. break;
  1412. case BNX2X_FLOW_CTRL_NONE:
  1413. default:
  1414. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1415. break;
  1416. }
  1417. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1418. }
  1419. static void set_phy_vars(struct link_params *params,
  1420. struct link_vars *vars)
  1421. {
  1422. struct bnx2x *bp = params->bp;
  1423. u8 actual_phy_idx, phy_index, link_cfg_idx;
  1424. u8 phy_config_swapped = params->multi_phy_config &
  1425. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  1426. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1427. phy_index++) {
  1428. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  1429. actual_phy_idx = phy_index;
  1430. if (phy_config_swapped) {
  1431. if (phy_index == EXT_PHY1)
  1432. actual_phy_idx = EXT_PHY2;
  1433. else if (phy_index == EXT_PHY2)
  1434. actual_phy_idx = EXT_PHY1;
  1435. }
  1436. params->phy[actual_phy_idx].req_flow_ctrl =
  1437. params->req_flow_ctrl[link_cfg_idx];
  1438. params->phy[actual_phy_idx].req_line_speed =
  1439. params->req_line_speed[link_cfg_idx];
  1440. params->phy[actual_phy_idx].speed_cap_mask =
  1441. params->speed_cap_mask[link_cfg_idx];
  1442. params->phy[actual_phy_idx].req_duplex =
  1443. params->req_duplex[link_cfg_idx];
  1444. if (params->req_line_speed[link_cfg_idx] ==
  1445. SPEED_AUTO_NEG)
  1446. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  1447. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  1448. " speed_cap_mask %x\n",
  1449. params->phy[actual_phy_idx].req_flow_ctrl,
  1450. params->phy[actual_phy_idx].req_line_speed,
  1451. params->phy[actual_phy_idx].speed_cap_mask);
  1452. }
  1453. }
  1454. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  1455. struct bnx2x_phy *phy,
  1456. struct link_vars *vars)
  1457. {
  1458. u16 val;
  1459. struct bnx2x *bp = params->bp;
  1460. /* read modify write pause advertizing */
  1461. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  1462. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  1463. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  1464. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  1465. if ((vars->ieee_fc &
  1466. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  1467. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  1468. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  1469. }
  1470. if ((vars->ieee_fc &
  1471. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  1472. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  1473. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  1474. }
  1475. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  1476. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  1477. }
  1478. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1479. { /* LD LP */
  1480. switch (pause_result) { /* ASYM P ASYM P */
  1481. case 0xb: /* 1 0 1 1 */
  1482. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1483. break;
  1484. case 0xe: /* 1 1 1 0 */
  1485. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1486. break;
  1487. case 0x5: /* 0 1 0 1 */
  1488. case 0x7: /* 0 1 1 1 */
  1489. case 0xd: /* 1 1 0 1 */
  1490. case 0xf: /* 1 1 1 1 */
  1491. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1492. break;
  1493. default:
  1494. break;
  1495. }
  1496. if (pause_result & (1<<0))
  1497. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1498. if (pause_result & (1<<1))
  1499. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1500. }
  1501. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  1502. struct link_params *params,
  1503. struct link_vars *vars)
  1504. {
  1505. struct bnx2x *bp = params->bp;
  1506. u16 ld_pause; /* local */
  1507. u16 lp_pause; /* link partner */
  1508. u16 pause_result;
  1509. u8 ret = 0;
  1510. /* read twice */
  1511. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1512. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  1513. vars->flow_ctrl = phy->req_flow_ctrl;
  1514. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  1515. vars->flow_ctrl = params->req_fc_auto_adv;
  1516. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  1517. ret = 1;
  1518. bnx2x_cl45_read(bp, phy,
  1519. MDIO_AN_DEVAD,
  1520. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  1521. bnx2x_cl45_read(bp, phy,
  1522. MDIO_AN_DEVAD,
  1523. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  1524. pause_result = (ld_pause &
  1525. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  1526. pause_result |= (lp_pause &
  1527. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  1528. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  1529. pause_result);
  1530. bnx2x_pause_resolve(vars, pause_result);
  1531. }
  1532. return ret;
  1533. }
  1534. void bnx2x_link_status_update(struct link_params *params,
  1535. struct link_vars *vars)
  1536. {
  1537. struct bnx2x *bp = params->bp;
  1538. u8 link_10g;
  1539. u8 port = params->port;
  1540. u32 sync_offset, media_types;
  1541. /* Update PHY configuration */
  1542. set_phy_vars(params, vars);
  1543. vars->link_status = REG_RD(bp, params->shmem_base +
  1544. offsetof(struct shmem_region,
  1545. port_mb[port].link_status));
  1546. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1547. vars->phy_flags = PHY_XGXS_FLAG;
  1548. if (vars->link_up) {
  1549. DP(NETIF_MSG_LINK, "phy link up\n");
  1550. vars->phy_link_up = 1;
  1551. vars->duplex = DUPLEX_FULL;
  1552. switch (vars->link_status &
  1553. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1554. case LINK_10THD:
  1555. vars->duplex = DUPLEX_HALF;
  1556. /* fall thru */
  1557. case LINK_10TFD:
  1558. vars->line_speed = SPEED_10;
  1559. break;
  1560. case LINK_100TXHD:
  1561. vars->duplex = DUPLEX_HALF;
  1562. /* fall thru */
  1563. case LINK_100T4:
  1564. case LINK_100TXFD:
  1565. vars->line_speed = SPEED_100;
  1566. break;
  1567. case LINK_1000THD:
  1568. vars->duplex = DUPLEX_HALF;
  1569. /* fall thru */
  1570. case LINK_1000TFD:
  1571. vars->line_speed = SPEED_1000;
  1572. break;
  1573. case LINK_2500THD:
  1574. vars->duplex = DUPLEX_HALF;
  1575. /* fall thru */
  1576. case LINK_2500TFD:
  1577. vars->line_speed = SPEED_2500;
  1578. break;
  1579. case LINK_10GTFD:
  1580. vars->line_speed = SPEED_10000;
  1581. break;
  1582. case LINK_12GTFD:
  1583. vars->line_speed = SPEED_12000;
  1584. break;
  1585. case LINK_12_5GTFD:
  1586. vars->line_speed = SPEED_12500;
  1587. break;
  1588. case LINK_13GTFD:
  1589. vars->line_speed = SPEED_13000;
  1590. break;
  1591. case LINK_15GTFD:
  1592. vars->line_speed = SPEED_15000;
  1593. break;
  1594. case LINK_16GTFD:
  1595. vars->line_speed = SPEED_16000;
  1596. break;
  1597. default:
  1598. break;
  1599. }
  1600. vars->flow_ctrl = 0;
  1601. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1602. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1603. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1604. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1605. if (!vars->flow_ctrl)
  1606. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1607. if (vars->line_speed &&
  1608. ((vars->line_speed == SPEED_10) ||
  1609. (vars->line_speed == SPEED_100))) {
  1610. vars->phy_flags |= PHY_SGMII_FLAG;
  1611. } else {
  1612. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1613. }
  1614. /* anything 10 and over uses the bmac */
  1615. link_10g = ((vars->line_speed == SPEED_10000) ||
  1616. (vars->line_speed == SPEED_12000) ||
  1617. (vars->line_speed == SPEED_12500) ||
  1618. (vars->line_speed == SPEED_13000) ||
  1619. (vars->line_speed == SPEED_15000) ||
  1620. (vars->line_speed == SPEED_16000));
  1621. if (link_10g)
  1622. vars->mac_type = MAC_TYPE_BMAC;
  1623. else
  1624. vars->mac_type = MAC_TYPE_EMAC;
  1625. } else { /* link down */
  1626. DP(NETIF_MSG_LINK, "phy link down\n");
  1627. vars->phy_link_up = 0;
  1628. vars->line_speed = 0;
  1629. vars->duplex = DUPLEX_FULL;
  1630. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1631. /* indicate no mac active */
  1632. vars->mac_type = MAC_TYPE_NONE;
  1633. }
  1634. /* Sync media type */
  1635. sync_offset = params->shmem_base +
  1636. offsetof(struct shmem_region,
  1637. dev_info.port_hw_config[port].media_type);
  1638. media_types = REG_RD(bp, sync_offset);
  1639. params->phy[INT_PHY].media_type =
  1640. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  1641. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  1642. params->phy[EXT_PHY1].media_type =
  1643. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  1644. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  1645. params->phy[EXT_PHY2].media_type =
  1646. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  1647. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  1648. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  1649. /* Sync AEU offset */
  1650. sync_offset = params->shmem_base +
  1651. offsetof(struct shmem_region,
  1652. dev_info.port_hw_config[port].aeu_int_mask);
  1653. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  1654. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  1655. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  1656. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1657. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1658. }
  1659. static void bnx2x_set_master_ln(struct link_params *params,
  1660. struct bnx2x_phy *phy)
  1661. {
  1662. struct bnx2x *bp = params->bp;
  1663. u16 new_master_ln, ser_lane;
  1664. ser_lane = ((params->lane_config &
  1665. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1666. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1667. /* set the master_ln for AN */
  1668. CL22_RD_OVER_CL45(bp, phy,
  1669. MDIO_REG_BANK_XGXS_BLOCK2,
  1670. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1671. &new_master_ln);
  1672. CL22_WR_OVER_CL45(bp, phy,
  1673. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1674. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1675. (new_master_ln | ser_lane));
  1676. }
  1677. static int bnx2x_reset_unicore(struct link_params *params,
  1678. struct bnx2x_phy *phy,
  1679. u8 set_serdes)
  1680. {
  1681. struct bnx2x *bp = params->bp;
  1682. u16 mii_control;
  1683. u16 i;
  1684. CL22_RD_OVER_CL45(bp, phy,
  1685. MDIO_REG_BANK_COMBO_IEEE0,
  1686. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1687. /* reset the unicore */
  1688. CL22_WR_OVER_CL45(bp, phy,
  1689. MDIO_REG_BANK_COMBO_IEEE0,
  1690. MDIO_COMBO_IEEE0_MII_CONTROL,
  1691. (mii_control |
  1692. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1693. if (set_serdes)
  1694. bnx2x_set_serdes_access(bp, params->port);
  1695. /* wait for the reset to self clear */
  1696. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1697. udelay(5);
  1698. /* the reset erased the previous bank value */
  1699. CL22_RD_OVER_CL45(bp, phy,
  1700. MDIO_REG_BANK_COMBO_IEEE0,
  1701. MDIO_COMBO_IEEE0_MII_CONTROL,
  1702. &mii_control);
  1703. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1704. udelay(5);
  1705. return 0;
  1706. }
  1707. }
  1708. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1709. " Port %d\n",
  1710. params->port);
  1711. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1712. return -EINVAL;
  1713. }
  1714. static void bnx2x_set_swap_lanes(struct link_params *params,
  1715. struct bnx2x_phy *phy)
  1716. {
  1717. struct bnx2x *bp = params->bp;
  1718. /*
  1719. * Each two bits represents a lane number:
  1720. * No swap is 0123 => 0x1b no need to enable the swap
  1721. */
  1722. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1723. ser_lane = ((params->lane_config &
  1724. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1725. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1726. rx_lane_swap = ((params->lane_config &
  1727. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1728. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1729. tx_lane_swap = ((params->lane_config &
  1730. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1731. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1732. if (rx_lane_swap != 0x1b) {
  1733. CL22_WR_OVER_CL45(bp, phy,
  1734. MDIO_REG_BANK_XGXS_BLOCK2,
  1735. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1736. (rx_lane_swap |
  1737. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1738. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1739. } else {
  1740. CL22_WR_OVER_CL45(bp, phy,
  1741. MDIO_REG_BANK_XGXS_BLOCK2,
  1742. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1743. }
  1744. if (tx_lane_swap != 0x1b) {
  1745. CL22_WR_OVER_CL45(bp, phy,
  1746. MDIO_REG_BANK_XGXS_BLOCK2,
  1747. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1748. (tx_lane_swap |
  1749. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1750. } else {
  1751. CL22_WR_OVER_CL45(bp, phy,
  1752. MDIO_REG_BANK_XGXS_BLOCK2,
  1753. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1754. }
  1755. }
  1756. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1757. struct link_params *params)
  1758. {
  1759. struct bnx2x *bp = params->bp;
  1760. u16 control2;
  1761. CL22_RD_OVER_CL45(bp, phy,
  1762. MDIO_REG_BANK_SERDES_DIGITAL,
  1763. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1764. &control2);
  1765. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1766. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1767. else
  1768. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1769. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1770. phy->speed_cap_mask, control2);
  1771. CL22_WR_OVER_CL45(bp, phy,
  1772. MDIO_REG_BANK_SERDES_DIGITAL,
  1773. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1774. control2);
  1775. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1776. (phy->speed_cap_mask &
  1777. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1778. DP(NETIF_MSG_LINK, "XGXS\n");
  1779. CL22_WR_OVER_CL45(bp, phy,
  1780. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1781. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1782. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1783. CL22_RD_OVER_CL45(bp, phy,
  1784. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1785. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1786. &control2);
  1787. control2 |=
  1788. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1789. CL22_WR_OVER_CL45(bp, phy,
  1790. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1791. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1792. control2);
  1793. /* Disable parallel detection of HiG */
  1794. CL22_WR_OVER_CL45(bp, phy,
  1795. MDIO_REG_BANK_XGXS_BLOCK2,
  1796. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1797. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1798. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1799. }
  1800. }
  1801. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1802. struct link_params *params,
  1803. struct link_vars *vars,
  1804. u8 enable_cl73)
  1805. {
  1806. struct bnx2x *bp = params->bp;
  1807. u16 reg_val;
  1808. /* CL37 Autoneg */
  1809. CL22_RD_OVER_CL45(bp, phy,
  1810. MDIO_REG_BANK_COMBO_IEEE0,
  1811. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1812. /* CL37 Autoneg Enabled */
  1813. if (vars->line_speed == SPEED_AUTO_NEG)
  1814. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1815. else /* CL37 Autoneg Disabled */
  1816. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1817. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1818. CL22_WR_OVER_CL45(bp, phy,
  1819. MDIO_REG_BANK_COMBO_IEEE0,
  1820. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1821. /* Enable/Disable Autodetection */
  1822. CL22_RD_OVER_CL45(bp, phy,
  1823. MDIO_REG_BANK_SERDES_DIGITAL,
  1824. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1825. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1826. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1827. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1828. if (vars->line_speed == SPEED_AUTO_NEG)
  1829. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1830. else
  1831. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1832. CL22_WR_OVER_CL45(bp, phy,
  1833. MDIO_REG_BANK_SERDES_DIGITAL,
  1834. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1835. /* Enable TetonII and BAM autoneg */
  1836. CL22_RD_OVER_CL45(bp, phy,
  1837. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1838. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1839. &reg_val);
  1840. if (vars->line_speed == SPEED_AUTO_NEG) {
  1841. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1842. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1843. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1844. } else {
  1845. /* TetonII and BAM Autoneg Disabled */
  1846. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1847. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1848. }
  1849. CL22_WR_OVER_CL45(bp, phy,
  1850. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1851. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1852. reg_val);
  1853. if (enable_cl73) {
  1854. /* Enable Cl73 FSM status bits */
  1855. CL22_WR_OVER_CL45(bp, phy,
  1856. MDIO_REG_BANK_CL73_USERB0,
  1857. MDIO_CL73_USERB0_CL73_UCTRL,
  1858. 0xe);
  1859. /* Enable BAM Station Manager*/
  1860. CL22_WR_OVER_CL45(bp, phy,
  1861. MDIO_REG_BANK_CL73_USERB0,
  1862. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1863. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1864. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1865. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1866. /* Advertise CL73 link speeds */
  1867. CL22_RD_OVER_CL45(bp, phy,
  1868. MDIO_REG_BANK_CL73_IEEEB1,
  1869. MDIO_CL73_IEEEB1_AN_ADV2,
  1870. &reg_val);
  1871. if (phy->speed_cap_mask &
  1872. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1873. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1874. if (phy->speed_cap_mask &
  1875. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1876. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1877. CL22_WR_OVER_CL45(bp, phy,
  1878. MDIO_REG_BANK_CL73_IEEEB1,
  1879. MDIO_CL73_IEEEB1_AN_ADV2,
  1880. reg_val);
  1881. /* CL73 Autoneg Enabled */
  1882. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1883. } else /* CL73 Autoneg Disabled */
  1884. reg_val = 0;
  1885. CL22_WR_OVER_CL45(bp, phy,
  1886. MDIO_REG_BANK_CL73_IEEEB0,
  1887. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1888. }
  1889. /* program SerDes, forced speed */
  1890. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1891. struct link_params *params,
  1892. struct link_vars *vars)
  1893. {
  1894. struct bnx2x *bp = params->bp;
  1895. u16 reg_val;
  1896. /* program duplex, disable autoneg and sgmii*/
  1897. CL22_RD_OVER_CL45(bp, phy,
  1898. MDIO_REG_BANK_COMBO_IEEE0,
  1899. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1900. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1901. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1902. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1903. if (phy->req_duplex == DUPLEX_FULL)
  1904. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1905. CL22_WR_OVER_CL45(bp, phy,
  1906. MDIO_REG_BANK_COMBO_IEEE0,
  1907. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1908. /*
  1909. * program speed
  1910. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1911. */
  1912. CL22_RD_OVER_CL45(bp, phy,
  1913. MDIO_REG_BANK_SERDES_DIGITAL,
  1914. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1915. /* clearing the speed value before setting the right speed */
  1916. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1917. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1918. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1919. if (!((vars->line_speed == SPEED_1000) ||
  1920. (vars->line_speed == SPEED_100) ||
  1921. (vars->line_speed == SPEED_10))) {
  1922. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1923. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1924. if (vars->line_speed == SPEED_10000)
  1925. reg_val |=
  1926. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1927. if (vars->line_speed == SPEED_13000)
  1928. reg_val |=
  1929. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1930. }
  1931. CL22_WR_OVER_CL45(bp, phy,
  1932. MDIO_REG_BANK_SERDES_DIGITAL,
  1933. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1934. }
  1935. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  1936. struct link_params *params)
  1937. {
  1938. struct bnx2x *bp = params->bp;
  1939. u16 val = 0;
  1940. /* configure the 48 bits for BAM AN */
  1941. /* set extended capabilities */
  1942. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1943. val |= MDIO_OVER_1G_UP1_2_5G;
  1944. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1945. val |= MDIO_OVER_1G_UP1_10G;
  1946. CL22_WR_OVER_CL45(bp, phy,
  1947. MDIO_REG_BANK_OVER_1G,
  1948. MDIO_OVER_1G_UP1, val);
  1949. CL22_WR_OVER_CL45(bp, phy,
  1950. MDIO_REG_BANK_OVER_1G,
  1951. MDIO_OVER_1G_UP3, 0x400);
  1952. }
  1953. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  1954. struct link_params *params,
  1955. u16 ieee_fc)
  1956. {
  1957. struct bnx2x *bp = params->bp;
  1958. u16 val;
  1959. /* for AN, we are always publishing full duplex */
  1960. CL22_WR_OVER_CL45(bp, phy,
  1961. MDIO_REG_BANK_COMBO_IEEE0,
  1962. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1963. CL22_RD_OVER_CL45(bp, phy,
  1964. MDIO_REG_BANK_CL73_IEEEB1,
  1965. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1966. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1967. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1968. CL22_WR_OVER_CL45(bp, phy,
  1969. MDIO_REG_BANK_CL73_IEEEB1,
  1970. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1971. }
  1972. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1973. struct link_params *params,
  1974. u8 enable_cl73)
  1975. {
  1976. struct bnx2x *bp = params->bp;
  1977. u16 mii_control;
  1978. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1979. /* Enable and restart BAM/CL37 aneg */
  1980. if (enable_cl73) {
  1981. CL22_RD_OVER_CL45(bp, phy,
  1982. MDIO_REG_BANK_CL73_IEEEB0,
  1983. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1984. &mii_control);
  1985. CL22_WR_OVER_CL45(bp, phy,
  1986. MDIO_REG_BANK_CL73_IEEEB0,
  1987. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1988. (mii_control |
  1989. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1990. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1991. } else {
  1992. CL22_RD_OVER_CL45(bp, phy,
  1993. MDIO_REG_BANK_COMBO_IEEE0,
  1994. MDIO_COMBO_IEEE0_MII_CONTROL,
  1995. &mii_control);
  1996. DP(NETIF_MSG_LINK,
  1997. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1998. mii_control);
  1999. CL22_WR_OVER_CL45(bp, phy,
  2000. MDIO_REG_BANK_COMBO_IEEE0,
  2001. MDIO_COMBO_IEEE0_MII_CONTROL,
  2002. (mii_control |
  2003. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2004. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  2005. }
  2006. }
  2007. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  2008. struct link_params *params,
  2009. struct link_vars *vars)
  2010. {
  2011. struct bnx2x *bp = params->bp;
  2012. u16 control1;
  2013. /* in SGMII mode, the unicore is always slave */
  2014. CL22_RD_OVER_CL45(bp, phy,
  2015. MDIO_REG_BANK_SERDES_DIGITAL,
  2016. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2017. &control1);
  2018. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  2019. /* set sgmii mode (and not fiber) */
  2020. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  2021. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  2022. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  2023. CL22_WR_OVER_CL45(bp, phy,
  2024. MDIO_REG_BANK_SERDES_DIGITAL,
  2025. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2026. control1);
  2027. /* if forced speed */
  2028. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  2029. /* set speed, disable autoneg */
  2030. u16 mii_control;
  2031. CL22_RD_OVER_CL45(bp, phy,
  2032. MDIO_REG_BANK_COMBO_IEEE0,
  2033. MDIO_COMBO_IEEE0_MII_CONTROL,
  2034. &mii_control);
  2035. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2036. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  2037. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  2038. switch (vars->line_speed) {
  2039. case SPEED_100:
  2040. mii_control |=
  2041. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  2042. break;
  2043. case SPEED_1000:
  2044. mii_control |=
  2045. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  2046. break;
  2047. case SPEED_10:
  2048. /* there is nothing to set for 10M */
  2049. break;
  2050. default:
  2051. /* invalid speed for SGMII */
  2052. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2053. vars->line_speed);
  2054. break;
  2055. }
  2056. /* setting the full duplex */
  2057. if (phy->req_duplex == DUPLEX_FULL)
  2058. mii_control |=
  2059. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  2060. CL22_WR_OVER_CL45(bp, phy,
  2061. MDIO_REG_BANK_COMBO_IEEE0,
  2062. MDIO_COMBO_IEEE0_MII_CONTROL,
  2063. mii_control);
  2064. } else { /* AN mode */
  2065. /* enable and restart AN */
  2066. bnx2x_restart_autoneg(phy, params, 0);
  2067. }
  2068. }
  2069. /*
  2070. * link management
  2071. */
  2072. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  2073. struct link_params *params)
  2074. {
  2075. struct bnx2x *bp = params->bp;
  2076. u16 pd_10g, status2_1000x;
  2077. if (phy->req_line_speed != SPEED_AUTO_NEG)
  2078. return 0;
  2079. CL22_RD_OVER_CL45(bp, phy,
  2080. MDIO_REG_BANK_SERDES_DIGITAL,
  2081. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2082. &status2_1000x);
  2083. CL22_RD_OVER_CL45(bp, phy,
  2084. MDIO_REG_BANK_SERDES_DIGITAL,
  2085. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2086. &status2_1000x);
  2087. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  2088. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2089. params->port);
  2090. return 1;
  2091. }
  2092. CL22_RD_OVER_CL45(bp, phy,
  2093. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2094. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2095. &pd_10g);
  2096. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2097. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2098. params->port);
  2099. return 1;
  2100. }
  2101. return 0;
  2102. }
  2103. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2104. struct link_params *params,
  2105. struct link_vars *vars,
  2106. u32 gp_status)
  2107. {
  2108. struct bnx2x *bp = params->bp;
  2109. u16 ld_pause; /* local driver */
  2110. u16 lp_pause; /* link partner */
  2111. u16 pause_result;
  2112. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2113. /* resolve from gp_status in case of AN complete and not sgmii */
  2114. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2115. vars->flow_ctrl = phy->req_flow_ctrl;
  2116. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2117. vars->flow_ctrl = params->req_fc_auto_adv;
  2118. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2119. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2120. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2121. vars->flow_ctrl = params->req_fc_auto_adv;
  2122. return;
  2123. }
  2124. if ((gp_status &
  2125. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2126. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2127. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2128. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2129. CL22_RD_OVER_CL45(bp, phy,
  2130. MDIO_REG_BANK_CL73_IEEEB1,
  2131. MDIO_CL73_IEEEB1_AN_ADV1,
  2132. &ld_pause);
  2133. CL22_RD_OVER_CL45(bp, phy,
  2134. MDIO_REG_BANK_CL73_IEEEB1,
  2135. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2136. &lp_pause);
  2137. pause_result = (ld_pause &
  2138. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2139. >> 8;
  2140. pause_result |= (lp_pause &
  2141. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2142. >> 10;
  2143. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2144. pause_result);
  2145. } else {
  2146. CL22_RD_OVER_CL45(bp, phy,
  2147. MDIO_REG_BANK_COMBO_IEEE0,
  2148. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2149. &ld_pause);
  2150. CL22_RD_OVER_CL45(bp, phy,
  2151. MDIO_REG_BANK_COMBO_IEEE0,
  2152. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2153. &lp_pause);
  2154. pause_result = (ld_pause &
  2155. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2156. pause_result |= (lp_pause &
  2157. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2158. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2159. pause_result);
  2160. }
  2161. bnx2x_pause_resolve(vars, pause_result);
  2162. }
  2163. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2164. }
  2165. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2166. struct link_params *params)
  2167. {
  2168. struct bnx2x *bp = params->bp;
  2169. u16 rx_status, ustat_val, cl37_fsm_received;
  2170. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2171. /* Step 1: Make sure signal is detected */
  2172. CL22_RD_OVER_CL45(bp, phy,
  2173. MDIO_REG_BANK_RX0,
  2174. MDIO_RX0_RX_STATUS,
  2175. &rx_status);
  2176. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2177. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2178. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2179. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2180. CL22_WR_OVER_CL45(bp, phy,
  2181. MDIO_REG_BANK_CL73_IEEEB0,
  2182. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2183. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2184. return;
  2185. }
  2186. /* Step 2: Check CL73 state machine */
  2187. CL22_RD_OVER_CL45(bp, phy,
  2188. MDIO_REG_BANK_CL73_USERB0,
  2189. MDIO_CL73_USERB0_CL73_USTAT1,
  2190. &ustat_val);
  2191. if ((ustat_val &
  2192. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2193. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2194. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2195. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2196. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2197. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2198. return;
  2199. }
  2200. /*
  2201. * Step 3: Check CL37 Message Pages received to indicate LP
  2202. * supports only CL37
  2203. */
  2204. CL22_RD_OVER_CL45(bp, phy,
  2205. MDIO_REG_BANK_REMOTE_PHY,
  2206. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2207. &cl37_fsm_received);
  2208. if ((cl37_fsm_received &
  2209. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2210. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2211. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2212. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2213. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2214. "misc_rx_status(0x8330) = 0x%x\n",
  2215. cl37_fsm_received);
  2216. return;
  2217. }
  2218. /*
  2219. * The combined cl37/cl73 fsm state information indicating that
  2220. * we are connected to a device which does not support cl73, but
  2221. * does support cl37 BAM. In this case we disable cl73 and
  2222. * restart cl37 auto-neg
  2223. */
  2224. /* Disable CL73 */
  2225. CL22_WR_OVER_CL45(bp, phy,
  2226. MDIO_REG_BANK_CL73_IEEEB0,
  2227. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2228. 0);
  2229. /* Restart CL37 autoneg */
  2230. bnx2x_restart_autoneg(phy, params, 0);
  2231. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2232. }
  2233. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2234. struct link_params *params,
  2235. struct link_vars *vars,
  2236. u32 gp_status)
  2237. {
  2238. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2239. vars->link_status |=
  2240. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2241. if (bnx2x_direct_parallel_detect_used(phy, params))
  2242. vars->link_status |=
  2243. LINK_STATUS_PARALLEL_DETECTION_USED;
  2244. }
  2245. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2246. struct link_params *params,
  2247. struct link_vars *vars)
  2248. {
  2249. struct bnx2x *bp = params->bp;
  2250. u16 new_line_speed, gp_status;
  2251. int rc = 0;
  2252. /* Read gp_status */
  2253. CL22_RD_OVER_CL45(bp, phy,
  2254. MDIO_REG_BANK_GP_STATUS,
  2255. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2256. &gp_status);
  2257. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2258. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2259. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2260. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2261. gp_status);
  2262. vars->phy_link_up = 1;
  2263. vars->link_status |= LINK_STATUS_LINK_UP;
  2264. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2265. vars->duplex = DUPLEX_FULL;
  2266. else
  2267. vars->duplex = DUPLEX_HALF;
  2268. if (SINGLE_MEDIA_DIRECT(params)) {
  2269. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2270. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2271. bnx2x_xgxs_an_resolve(phy, params, vars,
  2272. gp_status);
  2273. }
  2274. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2275. case GP_STATUS_10M:
  2276. new_line_speed = SPEED_10;
  2277. if (vars->duplex == DUPLEX_FULL)
  2278. vars->link_status |= LINK_10TFD;
  2279. else
  2280. vars->link_status |= LINK_10THD;
  2281. break;
  2282. case GP_STATUS_100M:
  2283. new_line_speed = SPEED_100;
  2284. if (vars->duplex == DUPLEX_FULL)
  2285. vars->link_status |= LINK_100TXFD;
  2286. else
  2287. vars->link_status |= LINK_100TXHD;
  2288. break;
  2289. case GP_STATUS_1G:
  2290. case GP_STATUS_1G_KX:
  2291. new_line_speed = SPEED_1000;
  2292. if (vars->duplex == DUPLEX_FULL)
  2293. vars->link_status |= LINK_1000TFD;
  2294. else
  2295. vars->link_status |= LINK_1000THD;
  2296. break;
  2297. case GP_STATUS_2_5G:
  2298. new_line_speed = SPEED_2500;
  2299. if (vars->duplex == DUPLEX_FULL)
  2300. vars->link_status |= LINK_2500TFD;
  2301. else
  2302. vars->link_status |= LINK_2500THD;
  2303. break;
  2304. case GP_STATUS_5G:
  2305. case GP_STATUS_6G:
  2306. DP(NETIF_MSG_LINK,
  2307. "link speed unsupported gp_status 0x%x\n",
  2308. gp_status);
  2309. return -EINVAL;
  2310. case GP_STATUS_10G_KX4:
  2311. case GP_STATUS_10G_HIG:
  2312. case GP_STATUS_10G_CX4:
  2313. new_line_speed = SPEED_10000;
  2314. vars->link_status |= LINK_10GTFD;
  2315. break;
  2316. case GP_STATUS_12G_HIG:
  2317. new_line_speed = SPEED_12000;
  2318. vars->link_status |= LINK_12GTFD;
  2319. break;
  2320. case GP_STATUS_12_5G:
  2321. new_line_speed = SPEED_12500;
  2322. vars->link_status |= LINK_12_5GTFD;
  2323. break;
  2324. case GP_STATUS_13G:
  2325. new_line_speed = SPEED_13000;
  2326. vars->link_status |= LINK_13GTFD;
  2327. break;
  2328. case GP_STATUS_15G:
  2329. new_line_speed = SPEED_15000;
  2330. vars->link_status |= LINK_15GTFD;
  2331. break;
  2332. case GP_STATUS_16G:
  2333. new_line_speed = SPEED_16000;
  2334. vars->link_status |= LINK_16GTFD;
  2335. break;
  2336. default:
  2337. DP(NETIF_MSG_LINK,
  2338. "link speed unsupported gp_status 0x%x\n",
  2339. gp_status);
  2340. return -EINVAL;
  2341. }
  2342. vars->line_speed = new_line_speed;
  2343. } else { /* link_down */
  2344. DP(NETIF_MSG_LINK, "phy link down\n");
  2345. vars->phy_link_up = 0;
  2346. vars->duplex = DUPLEX_FULL;
  2347. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2348. vars->mac_type = MAC_TYPE_NONE;
  2349. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2350. SINGLE_MEDIA_DIRECT(params)) {
  2351. /* Check signal is detected */
  2352. bnx2x_check_fallback_to_cl37(phy, params);
  2353. }
  2354. }
  2355. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2356. gp_status, vars->phy_link_up, vars->line_speed);
  2357. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2358. vars->duplex, vars->flow_ctrl, vars->link_status);
  2359. return rc;
  2360. }
  2361. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2362. {
  2363. struct bnx2x *bp = params->bp;
  2364. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2365. u16 lp_up2;
  2366. u16 tx_driver;
  2367. u16 bank;
  2368. /* read precomp */
  2369. CL22_RD_OVER_CL45(bp, phy,
  2370. MDIO_REG_BANK_OVER_1G,
  2371. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2372. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2373. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2374. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2375. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2376. if (lp_up2 == 0)
  2377. return;
  2378. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2379. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2380. CL22_RD_OVER_CL45(bp, phy,
  2381. bank,
  2382. MDIO_TX0_TX_DRIVER, &tx_driver);
  2383. /* replace tx_driver bits [15:12] */
  2384. if (lp_up2 !=
  2385. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2386. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2387. tx_driver |= lp_up2;
  2388. CL22_WR_OVER_CL45(bp, phy,
  2389. bank,
  2390. MDIO_TX0_TX_DRIVER, tx_driver);
  2391. }
  2392. }
  2393. }
  2394. static int bnx2x_emac_program(struct link_params *params,
  2395. struct link_vars *vars)
  2396. {
  2397. struct bnx2x *bp = params->bp;
  2398. u8 port = params->port;
  2399. u16 mode = 0;
  2400. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2401. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2402. EMAC_REG_EMAC_MODE,
  2403. (EMAC_MODE_25G_MODE |
  2404. EMAC_MODE_PORT_MII_10M |
  2405. EMAC_MODE_HALF_DUPLEX));
  2406. switch (vars->line_speed) {
  2407. case SPEED_10:
  2408. mode |= EMAC_MODE_PORT_MII_10M;
  2409. break;
  2410. case SPEED_100:
  2411. mode |= EMAC_MODE_PORT_MII;
  2412. break;
  2413. case SPEED_1000:
  2414. mode |= EMAC_MODE_PORT_GMII;
  2415. break;
  2416. case SPEED_2500:
  2417. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2418. break;
  2419. default:
  2420. /* 10G not valid for EMAC */
  2421. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2422. vars->line_speed);
  2423. return -EINVAL;
  2424. }
  2425. if (vars->duplex == DUPLEX_HALF)
  2426. mode |= EMAC_MODE_HALF_DUPLEX;
  2427. bnx2x_bits_en(bp,
  2428. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2429. mode);
  2430. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2431. return 0;
  2432. }
  2433. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2434. struct link_params *params)
  2435. {
  2436. u16 bank, i = 0;
  2437. struct bnx2x *bp = params->bp;
  2438. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2439. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2440. CL22_WR_OVER_CL45(bp, phy,
  2441. bank,
  2442. MDIO_RX0_RX_EQ_BOOST,
  2443. phy->rx_preemphasis[i]);
  2444. }
  2445. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2446. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2447. CL22_WR_OVER_CL45(bp, phy,
  2448. bank,
  2449. MDIO_TX0_TX_DRIVER,
  2450. phy->tx_preemphasis[i]);
  2451. }
  2452. }
  2453. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  2454. struct link_params *params,
  2455. struct link_vars *vars)
  2456. {
  2457. struct bnx2x *bp = params->bp;
  2458. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2459. (params->loopback_mode == LOOPBACK_XGXS));
  2460. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2461. if (SINGLE_MEDIA_DIRECT(params) &&
  2462. (params->feature_config_flags &
  2463. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2464. bnx2x_set_preemphasis(phy, params);
  2465. /* forced speed requested? */
  2466. if (vars->line_speed != SPEED_AUTO_NEG ||
  2467. (SINGLE_MEDIA_DIRECT(params) &&
  2468. params->loopback_mode == LOOPBACK_EXT)) {
  2469. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2470. /* disable autoneg */
  2471. bnx2x_set_autoneg(phy, params, vars, 0);
  2472. /* program speed and duplex */
  2473. bnx2x_program_serdes(phy, params, vars);
  2474. } else { /* AN_mode */
  2475. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2476. /* AN enabled */
  2477. bnx2x_set_brcm_cl37_advertisement(phy, params);
  2478. /* program duplex & pause advertisement (for aneg) */
  2479. bnx2x_set_ieee_aneg_advertisement(phy, params,
  2480. vars->ieee_fc);
  2481. /* enable autoneg */
  2482. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2483. /* enable and restart AN */
  2484. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2485. }
  2486. } else { /* SGMII mode */
  2487. DP(NETIF_MSG_LINK, "SGMII\n");
  2488. bnx2x_initialize_sgmii_process(phy, params, vars);
  2489. }
  2490. }
  2491. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  2492. struct link_params *params,
  2493. struct link_vars *vars)
  2494. {
  2495. int rc;
  2496. vars->phy_flags |= PHY_XGXS_FLAG;
  2497. if ((phy->req_line_speed &&
  2498. ((phy->req_line_speed == SPEED_100) ||
  2499. (phy->req_line_speed == SPEED_10))) ||
  2500. (!phy->req_line_speed &&
  2501. (phy->speed_cap_mask >=
  2502. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2503. (phy->speed_cap_mask <
  2504. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  2505. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  2506. vars->phy_flags |= PHY_SGMII_FLAG;
  2507. else
  2508. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2509. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2510. bnx2x_set_aer_mmd(params, phy);
  2511. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  2512. bnx2x_set_master_ln(params, phy);
  2513. rc = bnx2x_reset_unicore(params, phy, 0);
  2514. /* reset the SerDes and wait for reset bit return low */
  2515. if (rc != 0)
  2516. return rc;
  2517. bnx2x_set_aer_mmd(params, phy);
  2518. /* setting the masterLn_def again after the reset */
  2519. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  2520. bnx2x_set_master_ln(params, phy);
  2521. bnx2x_set_swap_lanes(params, phy);
  2522. }
  2523. return rc;
  2524. }
  2525. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2526. struct bnx2x_phy *phy,
  2527. struct link_params *params)
  2528. {
  2529. u16 cnt, ctrl;
  2530. /* Wait for soft reset to get cleared up to 1 sec */
  2531. for (cnt = 0; cnt < 1000; cnt++) {
  2532. bnx2x_cl45_read(bp, phy,
  2533. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2534. if (!(ctrl & (1<<15)))
  2535. break;
  2536. msleep(1);
  2537. }
  2538. if (cnt == 1000)
  2539. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2540. " Port %d\n",
  2541. params->port);
  2542. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2543. return cnt;
  2544. }
  2545. static void bnx2x_link_int_enable(struct link_params *params)
  2546. {
  2547. u8 port = params->port;
  2548. u32 mask;
  2549. struct bnx2x *bp = params->bp;
  2550. /* Setting the status to report on link up for either XGXS or SerDes */
  2551. if (params->switch_cfg == SWITCH_CFG_10G) {
  2552. mask = (NIG_MASK_XGXS0_LINK10G |
  2553. NIG_MASK_XGXS0_LINK_STATUS);
  2554. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2555. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2556. params->phy[INT_PHY].type !=
  2557. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2558. mask |= NIG_MASK_MI_INT;
  2559. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2560. }
  2561. } else { /* SerDes */
  2562. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2563. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2564. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2565. params->phy[INT_PHY].type !=
  2566. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2567. mask |= NIG_MASK_MI_INT;
  2568. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2569. }
  2570. }
  2571. bnx2x_bits_en(bp,
  2572. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2573. mask);
  2574. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2575. (params->switch_cfg == SWITCH_CFG_10G),
  2576. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2577. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2578. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2579. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2580. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2581. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2582. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2583. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2584. }
  2585. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2586. u8 exp_mi_int)
  2587. {
  2588. u32 latch_status = 0;
  2589. /*
  2590. * Disable the MI INT ( external phy int ) by writing 1 to the
  2591. * status register. Link down indication is high-active-signal,
  2592. * so in this case we need to write the status to clear the XOR
  2593. */
  2594. /* Read Latched signals */
  2595. latch_status = REG_RD(bp,
  2596. NIG_REG_LATCH_STATUS_0 + port*8);
  2597. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2598. /* Handle only those with latched-signal=up.*/
  2599. if (exp_mi_int)
  2600. bnx2x_bits_en(bp,
  2601. NIG_REG_STATUS_INTERRUPT_PORT0
  2602. + port*4,
  2603. NIG_STATUS_EMAC0_MI_INT);
  2604. else
  2605. bnx2x_bits_dis(bp,
  2606. NIG_REG_STATUS_INTERRUPT_PORT0
  2607. + port*4,
  2608. NIG_STATUS_EMAC0_MI_INT);
  2609. if (latch_status & 1) {
  2610. /* For all latched-signal=up : Re-Arm Latch signals */
  2611. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2612. (latch_status & 0xfffe) | (latch_status & 1));
  2613. }
  2614. /* For all latched-signal=up,Write original_signal to status */
  2615. }
  2616. static void bnx2x_link_int_ack(struct link_params *params,
  2617. struct link_vars *vars, u8 is_10g)
  2618. {
  2619. struct bnx2x *bp = params->bp;
  2620. u8 port = params->port;
  2621. /*
  2622. * First reset all status we assume only one line will be
  2623. * change at a time
  2624. */
  2625. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2626. (NIG_STATUS_XGXS0_LINK10G |
  2627. NIG_STATUS_XGXS0_LINK_STATUS |
  2628. NIG_STATUS_SERDES0_LINK_STATUS));
  2629. if (vars->phy_link_up) {
  2630. if (is_10g) {
  2631. /*
  2632. * Disable the 10G link interrupt by writing 1 to the
  2633. * status register
  2634. */
  2635. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2636. bnx2x_bits_en(bp,
  2637. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2638. NIG_STATUS_XGXS0_LINK10G);
  2639. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2640. /*
  2641. * Disable the link interrupt by writing 1 to the
  2642. * relevant lane in the status register
  2643. */
  2644. u32 ser_lane = ((params->lane_config &
  2645. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2646. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2647. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2648. vars->line_speed);
  2649. bnx2x_bits_en(bp,
  2650. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2651. ((1 << ser_lane) <<
  2652. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2653. } else { /* SerDes */
  2654. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2655. /*
  2656. * Disable the link interrupt by writing 1 to the status
  2657. * register
  2658. */
  2659. bnx2x_bits_en(bp,
  2660. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2661. NIG_STATUS_SERDES0_LINK_STATUS);
  2662. }
  2663. }
  2664. }
  2665. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2666. {
  2667. u8 *str_ptr = str;
  2668. u32 mask = 0xf0000000;
  2669. u8 shift = 8*4;
  2670. u8 digit;
  2671. u8 remove_leading_zeros = 1;
  2672. if (*len < 10) {
  2673. /* Need more than 10chars for this format */
  2674. *str_ptr = '\0';
  2675. (*len)--;
  2676. return -EINVAL;
  2677. }
  2678. while (shift > 0) {
  2679. shift -= 4;
  2680. digit = ((num & mask) >> shift);
  2681. if (digit == 0 && remove_leading_zeros) {
  2682. mask = mask >> 4;
  2683. continue;
  2684. } else if (digit < 0xa)
  2685. *str_ptr = digit + '0';
  2686. else
  2687. *str_ptr = digit - 0xa + 'a';
  2688. remove_leading_zeros = 0;
  2689. str_ptr++;
  2690. (*len)--;
  2691. mask = mask >> 4;
  2692. if (shift == 4*4) {
  2693. *str_ptr = '.';
  2694. str_ptr++;
  2695. (*len)--;
  2696. remove_leading_zeros = 1;
  2697. }
  2698. }
  2699. return 0;
  2700. }
  2701. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2702. {
  2703. str[0] = '\0';
  2704. (*len)--;
  2705. return 0;
  2706. }
  2707. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2708. u8 *version, u16 len)
  2709. {
  2710. struct bnx2x *bp;
  2711. u32 spirom_ver = 0;
  2712. int status = 0;
  2713. u8 *ver_p = version;
  2714. u16 remain_len = len;
  2715. if (version == NULL || params == NULL)
  2716. return -EINVAL;
  2717. bp = params->bp;
  2718. /* Extract first external phy*/
  2719. version[0] = '\0';
  2720. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2721. if (params->phy[EXT_PHY1].format_fw_ver) {
  2722. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2723. ver_p,
  2724. &remain_len);
  2725. ver_p += (len - remain_len);
  2726. }
  2727. if ((params->num_phys == MAX_PHYS) &&
  2728. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2729. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2730. if (params->phy[EXT_PHY2].format_fw_ver) {
  2731. *ver_p = '/';
  2732. ver_p++;
  2733. remain_len--;
  2734. status |= params->phy[EXT_PHY2].format_fw_ver(
  2735. spirom_ver,
  2736. ver_p,
  2737. &remain_len);
  2738. ver_p = version + (len - remain_len);
  2739. }
  2740. }
  2741. *ver_p = '\0';
  2742. return status;
  2743. }
  2744. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2745. struct link_params *params)
  2746. {
  2747. u8 port = params->port;
  2748. struct bnx2x *bp = params->bp;
  2749. if (phy->req_line_speed != SPEED_1000) {
  2750. u32 md_devad;
  2751. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2752. /* change the uni_phy_addr in the nig */
  2753. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2754. port*0x18));
  2755. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2756. bnx2x_cl45_write(bp, phy,
  2757. 5,
  2758. (MDIO_REG_BANK_AER_BLOCK +
  2759. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2760. 0x2800);
  2761. bnx2x_cl45_write(bp, phy,
  2762. 5,
  2763. (MDIO_REG_BANK_CL73_IEEEB0 +
  2764. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2765. 0x6041);
  2766. msleep(200);
  2767. /* set aer mmd back */
  2768. bnx2x_set_aer_mmd(params, phy);
  2769. /* and md_devad */
  2770. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2771. } else {
  2772. u16 mii_ctrl;
  2773. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2774. bnx2x_cl45_read(bp, phy, 5,
  2775. (MDIO_REG_BANK_COMBO_IEEE0 +
  2776. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2777. &mii_ctrl);
  2778. bnx2x_cl45_write(bp, phy, 5,
  2779. (MDIO_REG_BANK_COMBO_IEEE0 +
  2780. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2781. mii_ctrl |
  2782. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2783. }
  2784. }
  2785. int bnx2x_set_led(struct link_params *params,
  2786. struct link_vars *vars, u8 mode, u32 speed)
  2787. {
  2788. u8 port = params->port;
  2789. u16 hw_led_mode = params->hw_led_mode;
  2790. int rc = 0;
  2791. u8 phy_idx;
  2792. u32 tmp;
  2793. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2794. struct bnx2x *bp = params->bp;
  2795. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2796. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2797. speed, hw_led_mode);
  2798. /* In case */
  2799. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2800. if (params->phy[phy_idx].set_link_led) {
  2801. params->phy[phy_idx].set_link_led(
  2802. &params->phy[phy_idx], params, mode);
  2803. }
  2804. }
  2805. switch (mode) {
  2806. case LED_MODE_FRONT_PANEL_OFF:
  2807. case LED_MODE_OFF:
  2808. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2809. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2810. SHARED_HW_CFG_LED_MAC1);
  2811. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2812. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2813. break;
  2814. case LED_MODE_OPER:
  2815. /*
  2816. * For all other phys, OPER mode is same as ON, so in case
  2817. * link is down, do nothing
  2818. */
  2819. if (!vars->link_up)
  2820. break;
  2821. case LED_MODE_ON:
  2822. if (((params->phy[EXT_PHY1].type ==
  2823. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2824. (params->phy[EXT_PHY1].type ==
  2825. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2826. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2827. /*
  2828. * This is a work-around for E2+8727 Configurations
  2829. */
  2830. if (mode == LED_MODE_ON ||
  2831. speed == SPEED_10000){
  2832. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2833. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2834. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2835. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2836. (tmp | EMAC_LED_OVERRIDE));
  2837. return rc;
  2838. }
  2839. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2840. /*
  2841. * This is a work-around for HW issue found when link
  2842. * is up in CL73
  2843. */
  2844. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2845. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2846. } else {
  2847. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2848. }
  2849. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2850. /* Set blinking rate to ~15.9Hz */
  2851. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2852. LED_BLINK_RATE_VAL);
  2853. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2854. port*4, 1);
  2855. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2856. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2857. if (CHIP_IS_E1(bp) &&
  2858. ((speed == SPEED_2500) ||
  2859. (speed == SPEED_1000) ||
  2860. (speed == SPEED_100) ||
  2861. (speed == SPEED_10))) {
  2862. /*
  2863. * On Everest 1 Ax chip versions for speeds less than
  2864. * 10G LED scheme is different
  2865. */
  2866. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2867. + port*4, 1);
  2868. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2869. port*4, 0);
  2870. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2871. port*4, 1);
  2872. }
  2873. break;
  2874. default:
  2875. rc = -EINVAL;
  2876. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2877. mode);
  2878. break;
  2879. }
  2880. return rc;
  2881. }
  2882. /*
  2883. * This function comes to reflect the actual link state read DIRECTLY from the
  2884. * HW
  2885. */
  2886. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2887. u8 is_serdes)
  2888. {
  2889. struct bnx2x *bp = params->bp;
  2890. u16 gp_status = 0, phy_index = 0;
  2891. u8 ext_phy_link_up = 0, serdes_phy_type;
  2892. struct link_vars temp_vars;
  2893. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2894. MDIO_REG_BANK_GP_STATUS,
  2895. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2896. &gp_status);
  2897. /* link is up only if both local phy and external phy are up */
  2898. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2899. return -ESRCH;
  2900. switch (params->num_phys) {
  2901. case 1:
  2902. /* No external PHY */
  2903. return 0;
  2904. case 2:
  2905. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2906. &params->phy[EXT_PHY1],
  2907. params, &temp_vars);
  2908. break;
  2909. case 3: /* Dual Media */
  2910. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2911. phy_index++) {
  2912. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2913. ETH_PHY_SFP_FIBER) ||
  2914. (params->phy[phy_index].media_type ==
  2915. ETH_PHY_XFP_FIBER) ||
  2916. (params->phy[phy_index].media_type ==
  2917. ETH_PHY_DA_TWINAX));
  2918. if (is_serdes != serdes_phy_type)
  2919. continue;
  2920. if (params->phy[phy_index].read_status) {
  2921. ext_phy_link_up |=
  2922. params->phy[phy_index].read_status(
  2923. &params->phy[phy_index],
  2924. params, &temp_vars);
  2925. }
  2926. }
  2927. break;
  2928. }
  2929. if (ext_phy_link_up)
  2930. return 0;
  2931. return -ESRCH;
  2932. }
  2933. static int bnx2x_link_initialize(struct link_params *params,
  2934. struct link_vars *vars)
  2935. {
  2936. int rc = 0;
  2937. u8 phy_index, non_ext_phy;
  2938. struct bnx2x *bp = params->bp;
  2939. /*
  2940. * In case of external phy existence, the line speed would be the
  2941. * line speed linked up by the external phy. In case it is direct
  2942. * only, then the line_speed during initialization will be
  2943. * equal to the req_line_speed
  2944. */
  2945. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2946. /*
  2947. * Initialize the internal phy in case this is a direct board
  2948. * (no external phys), or this board has external phy which requires
  2949. * to first.
  2950. */
  2951. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  2952. /* init ext phy and enable link state int */
  2953. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2954. (params->loopback_mode == LOOPBACK_XGXS));
  2955. if (non_ext_phy ||
  2956. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2957. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2958. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2959. if (vars->line_speed == SPEED_AUTO_NEG)
  2960. bnx2x_set_parallel_detection(phy, params);
  2961. if (params->phy[INT_PHY].config_init)
  2962. params->phy[INT_PHY].config_init(phy,
  2963. params,
  2964. vars);
  2965. }
  2966. /* Init external phy*/
  2967. if (non_ext_phy) {
  2968. if (params->phy[INT_PHY].supported &
  2969. SUPPORTED_FIBRE)
  2970. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2971. } else {
  2972. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2973. phy_index++) {
  2974. /*
  2975. * No need to initialize second phy in case of first
  2976. * phy only selection. In case of second phy, we do
  2977. * need to initialize the first phy, since they are
  2978. * connected.
  2979. */
  2980. if (params->phy[phy_index].supported &
  2981. SUPPORTED_FIBRE)
  2982. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2983. if (phy_index == EXT_PHY2 &&
  2984. (bnx2x_phy_selection(params) ==
  2985. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2986. DP(NETIF_MSG_LINK, "Not initializing"
  2987. " second phy\n");
  2988. continue;
  2989. }
  2990. params->phy[phy_index].config_init(
  2991. &params->phy[phy_index],
  2992. params, vars);
  2993. }
  2994. }
  2995. /* Reset the interrupt indication after phy was initialized */
  2996. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2997. params->port*4,
  2998. (NIG_STATUS_XGXS0_LINK10G |
  2999. NIG_STATUS_XGXS0_LINK_STATUS |
  3000. NIG_STATUS_SERDES0_LINK_STATUS |
  3001. NIG_MASK_MI_INT));
  3002. bnx2x_update_mng(params, vars->link_status);
  3003. return rc;
  3004. }
  3005. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  3006. struct link_params *params)
  3007. {
  3008. /* reset the SerDes/XGXS */
  3009. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  3010. (0x1ff << (params->port*16)));
  3011. }
  3012. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  3013. struct link_params *params)
  3014. {
  3015. struct bnx2x *bp = params->bp;
  3016. u8 gpio_port;
  3017. /* HW reset */
  3018. if (CHIP_IS_E2(bp))
  3019. gpio_port = BP_PATH(bp);
  3020. else
  3021. gpio_port = params->port;
  3022. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3023. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3024. gpio_port);
  3025. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3026. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3027. gpio_port);
  3028. DP(NETIF_MSG_LINK, "reset external PHY\n");
  3029. }
  3030. static int bnx2x_update_link_down(struct link_params *params,
  3031. struct link_vars *vars)
  3032. {
  3033. struct bnx2x *bp = params->bp;
  3034. u8 port = params->port;
  3035. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  3036. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  3037. /* indicate no mac active */
  3038. vars->mac_type = MAC_TYPE_NONE;
  3039. /* update shared memory */
  3040. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  3041. LINK_STATUS_LINK_UP |
  3042. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  3043. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  3044. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  3045. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  3046. vars->line_speed = 0;
  3047. bnx2x_update_mng(params, vars->link_status);
  3048. /* activate nig drain */
  3049. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  3050. /* disable emac */
  3051. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3052. msleep(10);
  3053. /* reset BigMac */
  3054. bnx2x_bmac_rx_disable(bp, params->port);
  3055. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  3056. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  3057. return 0;
  3058. }
  3059. static int bnx2x_update_link_up(struct link_params *params,
  3060. struct link_vars *vars,
  3061. u8 link_10g)
  3062. {
  3063. struct bnx2x *bp = params->bp;
  3064. u8 port = params->port;
  3065. int rc = 0;
  3066. vars->link_status |= LINK_STATUS_LINK_UP;
  3067. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  3068. vars->link_status |=
  3069. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  3070. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  3071. vars->link_status |=
  3072. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  3073. if (link_10g) {
  3074. bnx2x_bmac_enable(params, vars, 0);
  3075. bnx2x_set_led(params, vars,
  3076. LED_MODE_OPER, SPEED_10000);
  3077. } else {
  3078. rc = bnx2x_emac_program(params, vars);
  3079. bnx2x_emac_enable(params, vars, 0);
  3080. /* AN complete? */
  3081. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  3082. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  3083. SINGLE_MEDIA_DIRECT(params))
  3084. bnx2x_set_gmii_tx_driver(params);
  3085. }
  3086. /* PBF - link up */
  3087. if (!(CHIP_IS_E2(bp)))
  3088. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  3089. vars->line_speed);
  3090. /* disable drain */
  3091. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  3092. /* update shared memory */
  3093. bnx2x_update_mng(params, vars->link_status);
  3094. msleep(20);
  3095. return rc;
  3096. }
  3097. /*
  3098. * The bnx2x_link_update function should be called upon link
  3099. * interrupt.
  3100. * Link is considered up as follows:
  3101. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3102. * to be up
  3103. * - SINGLE_MEDIA - The link between the 577xx and the external
  3104. * phy (XGXS) need to up as well as the external link of the
  3105. * phy (PHY_EXT1)
  3106. * - DUAL_MEDIA - The link between the 577xx and the first
  3107. * external phy needs to be up, and at least one of the 2
  3108. * external phy link must be up.
  3109. */
  3110. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3111. {
  3112. struct bnx2x *bp = params->bp;
  3113. struct link_vars phy_vars[MAX_PHYS];
  3114. u8 port = params->port;
  3115. u8 link_10g, phy_index;
  3116. u8 ext_phy_link_up = 0, cur_link_up;
  3117. int rc = 0;
  3118. u8 is_mi_int = 0;
  3119. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3120. u8 active_external_phy = INT_PHY;
  3121. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3122. phy_index++) {
  3123. phy_vars[phy_index].flow_ctrl = 0;
  3124. phy_vars[phy_index].link_status = 0;
  3125. phy_vars[phy_index].line_speed = 0;
  3126. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3127. phy_vars[phy_index].phy_link_up = 0;
  3128. phy_vars[phy_index].link_up = 0;
  3129. phy_vars[phy_index].fault_detected = 0;
  3130. }
  3131. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3132. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3133. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3134. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3135. port*0x18) > 0);
  3136. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3137. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3138. is_mi_int,
  3139. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3140. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3141. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3142. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3143. /* disable emac */
  3144. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3145. /*
  3146. * Step 1:
  3147. * Check external link change only for external phys, and apply
  3148. * priority selection between them in case the link on both phys
  3149. * is up. Note that instead of the common vars, a temporary
  3150. * vars argument is used since each phy may have different link/
  3151. * speed/duplex result
  3152. */
  3153. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3154. phy_index++) {
  3155. struct bnx2x_phy *phy = &params->phy[phy_index];
  3156. if (!phy->read_status)
  3157. continue;
  3158. /* Read link status and params of this ext phy */
  3159. cur_link_up = phy->read_status(phy, params,
  3160. &phy_vars[phy_index]);
  3161. if (cur_link_up) {
  3162. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3163. phy_index);
  3164. } else {
  3165. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3166. phy_index);
  3167. continue;
  3168. }
  3169. if (!ext_phy_link_up) {
  3170. ext_phy_link_up = 1;
  3171. active_external_phy = phy_index;
  3172. } else {
  3173. switch (bnx2x_phy_selection(params)) {
  3174. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3175. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3176. /*
  3177. * In this option, the first PHY makes sure to pass the
  3178. * traffic through itself only.
  3179. * Its not clear how to reset the link on the second phy
  3180. */
  3181. active_external_phy = EXT_PHY1;
  3182. break;
  3183. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3184. /*
  3185. * In this option, the first PHY makes sure to pass the
  3186. * traffic through the second PHY.
  3187. */
  3188. active_external_phy = EXT_PHY2;
  3189. break;
  3190. default:
  3191. /*
  3192. * Link indication on both PHYs with the following cases
  3193. * is invalid:
  3194. * - FIRST_PHY means that second phy wasn't initialized,
  3195. * hence its link is expected to be down
  3196. * - SECOND_PHY means that first phy should not be able
  3197. * to link up by itself (using configuration)
  3198. * - DEFAULT should be overriden during initialiazation
  3199. */
  3200. DP(NETIF_MSG_LINK, "Invalid link indication"
  3201. "mpc=0x%x. DISABLING LINK !!!\n",
  3202. params->multi_phy_config);
  3203. ext_phy_link_up = 0;
  3204. break;
  3205. }
  3206. }
  3207. }
  3208. prev_line_speed = vars->line_speed;
  3209. /*
  3210. * Step 2:
  3211. * Read the status of the internal phy. In case of
  3212. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3213. * otherwise this is the link between the 577xx and the first
  3214. * external phy
  3215. */
  3216. if (params->phy[INT_PHY].read_status)
  3217. params->phy[INT_PHY].read_status(
  3218. &params->phy[INT_PHY],
  3219. params, vars);
  3220. /*
  3221. * The INT_PHY flow control reside in the vars. This include the
  3222. * case where the speed or flow control are not set to AUTO.
  3223. * Otherwise, the active external phy flow control result is set
  3224. * to the vars. The ext_phy_line_speed is needed to check if the
  3225. * speed is different between the internal phy and external phy.
  3226. * This case may be result of intermediate link speed change.
  3227. */
  3228. if (active_external_phy > INT_PHY) {
  3229. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3230. /*
  3231. * Link speed is taken from the XGXS. AN and FC result from
  3232. * the external phy.
  3233. */
  3234. vars->link_status |= phy_vars[active_external_phy].link_status;
  3235. /*
  3236. * if active_external_phy is first PHY and link is up - disable
  3237. * disable TX on second external PHY
  3238. */
  3239. if (active_external_phy == EXT_PHY1) {
  3240. if (params->phy[EXT_PHY2].phy_specific_func) {
  3241. DP(NETIF_MSG_LINK, "Disabling TX on"
  3242. " EXT_PHY2\n");
  3243. params->phy[EXT_PHY2].phy_specific_func(
  3244. &params->phy[EXT_PHY2],
  3245. params, DISABLE_TX);
  3246. }
  3247. }
  3248. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3249. vars->duplex = phy_vars[active_external_phy].duplex;
  3250. if (params->phy[active_external_phy].supported &
  3251. SUPPORTED_FIBRE)
  3252. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3253. else
  3254. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  3255. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3256. active_external_phy);
  3257. }
  3258. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3259. phy_index++) {
  3260. if (params->phy[phy_index].flags &
  3261. FLAGS_REARM_LATCH_SIGNAL) {
  3262. bnx2x_rearm_latch_signal(bp, port,
  3263. phy_index ==
  3264. active_external_phy);
  3265. break;
  3266. }
  3267. }
  3268. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3269. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3270. vars->link_status, ext_phy_line_speed);
  3271. /*
  3272. * Upon link speed change set the NIG into drain mode. Comes to
  3273. * deals with possible FIFO glitch due to clk change when speed
  3274. * is decreased without link down indicator
  3275. */
  3276. if (vars->phy_link_up) {
  3277. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3278. (ext_phy_line_speed != vars->line_speed)) {
  3279. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3280. " different than the external"
  3281. " link speed %d\n", vars->line_speed,
  3282. ext_phy_line_speed);
  3283. vars->phy_link_up = 0;
  3284. } else if (prev_line_speed != vars->line_speed) {
  3285. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3286. 0);
  3287. msleep(1);
  3288. }
  3289. }
  3290. /* anything 10 and over uses the bmac */
  3291. link_10g = ((vars->line_speed == SPEED_10000) ||
  3292. (vars->line_speed == SPEED_12000) ||
  3293. (vars->line_speed == SPEED_12500) ||
  3294. (vars->line_speed == SPEED_13000) ||
  3295. (vars->line_speed == SPEED_15000) ||
  3296. (vars->line_speed == SPEED_16000));
  3297. bnx2x_link_int_ack(params, vars, link_10g);
  3298. /*
  3299. * In case external phy link is up, and internal link is down
  3300. * (not initialized yet probably after link initialization, it
  3301. * needs to be initialized.
  3302. * Note that after link down-up as result of cable plug, the xgxs
  3303. * link would probably become up again without the need
  3304. * initialize it
  3305. */
  3306. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3307. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3308. " init_preceding = %d\n", ext_phy_link_up,
  3309. vars->phy_link_up,
  3310. params->phy[EXT_PHY1].flags &
  3311. FLAGS_INIT_XGXS_FIRST);
  3312. if (!(params->phy[EXT_PHY1].flags &
  3313. FLAGS_INIT_XGXS_FIRST)
  3314. && ext_phy_link_up && !vars->phy_link_up) {
  3315. vars->line_speed = ext_phy_line_speed;
  3316. if (vars->line_speed < SPEED_1000)
  3317. vars->phy_flags |= PHY_SGMII_FLAG;
  3318. else
  3319. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3320. if (params->phy[INT_PHY].config_init)
  3321. params->phy[INT_PHY].config_init(
  3322. &params->phy[INT_PHY], params,
  3323. vars);
  3324. }
  3325. }
  3326. /*
  3327. * Link is up only if both local phy and external phy (in case of
  3328. * non-direct board) are up and no fault detected on active PHY.
  3329. */
  3330. vars->link_up = (vars->phy_link_up &&
  3331. (ext_phy_link_up ||
  3332. SINGLE_MEDIA_DIRECT(params)) &&
  3333. (phy_vars[active_external_phy].fault_detected == 0));
  3334. if (vars->link_up)
  3335. rc = bnx2x_update_link_up(params, vars, link_10g);
  3336. else
  3337. rc = bnx2x_update_link_down(params, vars);
  3338. return rc;
  3339. }
  3340. /*****************************************************************************/
  3341. /* External Phy section */
  3342. /*****************************************************************************/
  3343. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3344. {
  3345. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3346. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3347. msleep(1);
  3348. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3349. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3350. }
  3351. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3352. u32 spirom_ver, u32 ver_addr)
  3353. {
  3354. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3355. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3356. if (ver_addr)
  3357. REG_WR(bp, ver_addr, spirom_ver);
  3358. }
  3359. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3360. struct bnx2x_phy *phy,
  3361. u8 port)
  3362. {
  3363. u16 fw_ver1, fw_ver2;
  3364. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3365. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3366. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3367. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3368. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3369. phy->ver_addr);
  3370. }
  3371. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3372. struct bnx2x_phy *phy,
  3373. struct link_vars *vars)
  3374. {
  3375. u16 val;
  3376. bnx2x_cl45_read(bp, phy,
  3377. MDIO_AN_DEVAD,
  3378. MDIO_AN_REG_STATUS, &val);
  3379. bnx2x_cl45_read(bp, phy,
  3380. MDIO_AN_DEVAD,
  3381. MDIO_AN_REG_STATUS, &val);
  3382. if (val & (1<<5))
  3383. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3384. if ((val & (1<<0)) == 0)
  3385. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3386. }
  3387. /******************************************************************/
  3388. /* common BCM8073/BCM8727 PHY SECTION */
  3389. /******************************************************************/
  3390. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3391. struct link_params *params,
  3392. struct link_vars *vars)
  3393. {
  3394. struct bnx2x *bp = params->bp;
  3395. if (phy->req_line_speed == SPEED_10 ||
  3396. phy->req_line_speed == SPEED_100) {
  3397. vars->flow_ctrl = phy->req_flow_ctrl;
  3398. return;
  3399. }
  3400. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3401. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3402. u16 pause_result;
  3403. u16 ld_pause; /* local */
  3404. u16 lp_pause; /* link partner */
  3405. bnx2x_cl45_read(bp, phy,
  3406. MDIO_AN_DEVAD,
  3407. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3408. bnx2x_cl45_read(bp, phy,
  3409. MDIO_AN_DEVAD,
  3410. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3411. pause_result = (ld_pause &
  3412. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3413. pause_result |= (lp_pause &
  3414. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3415. bnx2x_pause_resolve(vars, pause_result);
  3416. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3417. pause_result);
  3418. }
  3419. }
  3420. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3421. struct bnx2x_phy *phy,
  3422. u8 port)
  3423. {
  3424. u32 count = 0;
  3425. u16 fw_ver1, fw_msgout;
  3426. int rc = 0;
  3427. /* Boot port from external ROM */
  3428. /* EDC grst */
  3429. bnx2x_cl45_write(bp, phy,
  3430. MDIO_PMA_DEVAD,
  3431. MDIO_PMA_REG_GEN_CTRL,
  3432. 0x0001);
  3433. /* ucode reboot and rst */
  3434. bnx2x_cl45_write(bp, phy,
  3435. MDIO_PMA_DEVAD,
  3436. MDIO_PMA_REG_GEN_CTRL,
  3437. 0x008c);
  3438. bnx2x_cl45_write(bp, phy,
  3439. MDIO_PMA_DEVAD,
  3440. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3441. /* Reset internal microprocessor */
  3442. bnx2x_cl45_write(bp, phy,
  3443. MDIO_PMA_DEVAD,
  3444. MDIO_PMA_REG_GEN_CTRL,
  3445. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3446. /* Release srst bit */
  3447. bnx2x_cl45_write(bp, phy,
  3448. MDIO_PMA_DEVAD,
  3449. MDIO_PMA_REG_GEN_CTRL,
  3450. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3451. /* Delay 100ms per the PHY specifications */
  3452. msleep(100);
  3453. /* 8073 sometimes taking longer to download */
  3454. do {
  3455. count++;
  3456. if (count > 300) {
  3457. DP(NETIF_MSG_LINK,
  3458. "bnx2x_8073_8727_external_rom_boot port %x:"
  3459. "Download failed. fw version = 0x%x\n",
  3460. port, fw_ver1);
  3461. rc = -EINVAL;
  3462. break;
  3463. }
  3464. bnx2x_cl45_read(bp, phy,
  3465. MDIO_PMA_DEVAD,
  3466. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3467. bnx2x_cl45_read(bp, phy,
  3468. MDIO_PMA_DEVAD,
  3469. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3470. msleep(1);
  3471. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3472. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3473. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3474. /* Clear ser_boot_ctl bit */
  3475. bnx2x_cl45_write(bp, phy,
  3476. MDIO_PMA_DEVAD,
  3477. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3478. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3479. DP(NETIF_MSG_LINK,
  3480. "bnx2x_8073_8727_external_rom_boot port %x:"
  3481. "Download complete. fw version = 0x%x\n",
  3482. port, fw_ver1);
  3483. return rc;
  3484. }
  3485. /******************************************************************/
  3486. /* BCM8073 PHY SECTION */
  3487. /******************************************************************/
  3488. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3489. {
  3490. /* This is only required for 8073A1, version 102 only */
  3491. u16 val;
  3492. /* Read 8073 HW revision*/
  3493. bnx2x_cl45_read(bp, phy,
  3494. MDIO_PMA_DEVAD,
  3495. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3496. if (val != 1) {
  3497. /* No need to workaround in 8073 A1 */
  3498. return 0;
  3499. }
  3500. bnx2x_cl45_read(bp, phy,
  3501. MDIO_PMA_DEVAD,
  3502. MDIO_PMA_REG_ROM_VER2, &val);
  3503. /* SNR should be applied only for version 0x102 */
  3504. if (val != 0x102)
  3505. return 0;
  3506. return 1;
  3507. }
  3508. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3509. {
  3510. u16 val, cnt, cnt1 ;
  3511. bnx2x_cl45_read(bp, phy,
  3512. MDIO_PMA_DEVAD,
  3513. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3514. if (val > 0) {
  3515. /* No need to workaround in 8073 A1 */
  3516. return 0;
  3517. }
  3518. /* XAUI workaround in 8073 A0: */
  3519. /*
  3520. * After loading the boot ROM and restarting Autoneg, poll
  3521. * Dev1, Reg $C820:
  3522. */
  3523. for (cnt = 0; cnt < 1000; cnt++) {
  3524. bnx2x_cl45_read(bp, phy,
  3525. MDIO_PMA_DEVAD,
  3526. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3527. &val);
  3528. /*
  3529. * If bit [14] = 0 or bit [13] = 0, continue on with
  3530. * system initialization (XAUI work-around not required, as
  3531. * these bits indicate 2.5G or 1G link up).
  3532. */
  3533. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3534. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3535. return 0;
  3536. } else if (!(val & (1<<15))) {
  3537. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3538. /*
  3539. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3540. * MSB (bit15) goes to 1 (indicating that the XAUI
  3541. * workaround has completed), then continue on with
  3542. * system initialization.
  3543. */
  3544. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3545. bnx2x_cl45_read(bp, phy,
  3546. MDIO_PMA_DEVAD,
  3547. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3548. if (val & (1<<15)) {
  3549. DP(NETIF_MSG_LINK,
  3550. "XAUI workaround has completed\n");
  3551. return 0;
  3552. }
  3553. msleep(3);
  3554. }
  3555. break;
  3556. }
  3557. msleep(3);
  3558. }
  3559. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3560. return -EINVAL;
  3561. }
  3562. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3563. {
  3564. /* Force KR or KX */
  3565. bnx2x_cl45_write(bp, phy,
  3566. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3567. bnx2x_cl45_write(bp, phy,
  3568. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3569. bnx2x_cl45_write(bp, phy,
  3570. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3571. bnx2x_cl45_write(bp, phy,
  3572. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3573. }
  3574. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3575. struct bnx2x_phy *phy,
  3576. struct link_vars *vars)
  3577. {
  3578. u16 cl37_val;
  3579. struct bnx2x *bp = params->bp;
  3580. bnx2x_cl45_read(bp, phy,
  3581. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3582. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3583. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3584. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3585. if ((vars->ieee_fc &
  3586. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3587. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3588. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3589. }
  3590. if ((vars->ieee_fc &
  3591. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3592. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3593. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3594. }
  3595. if ((vars->ieee_fc &
  3596. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3597. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3598. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3599. }
  3600. DP(NETIF_MSG_LINK,
  3601. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3602. bnx2x_cl45_write(bp, phy,
  3603. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3604. msleep(500);
  3605. }
  3606. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3607. struct link_params *params,
  3608. struct link_vars *vars)
  3609. {
  3610. struct bnx2x *bp = params->bp;
  3611. u16 val = 0, tmp1;
  3612. u8 gpio_port;
  3613. DP(NETIF_MSG_LINK, "Init 8073\n");
  3614. if (CHIP_IS_E2(bp))
  3615. gpio_port = BP_PATH(bp);
  3616. else
  3617. gpio_port = params->port;
  3618. /* Restore normal power mode*/
  3619. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3620. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3621. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3622. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3623. /* enable LASI */
  3624. bnx2x_cl45_write(bp, phy,
  3625. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3626. bnx2x_cl45_write(bp, phy,
  3627. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3628. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3629. bnx2x_cl45_read(bp, phy,
  3630. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3631. bnx2x_cl45_read(bp, phy,
  3632. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3633. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3634. /* Swap polarity if required - Must be done only in non-1G mode */
  3635. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3636. /* Configure the 8073 to swap _P and _N of the KR lines */
  3637. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3638. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3639. bnx2x_cl45_read(bp, phy,
  3640. MDIO_PMA_DEVAD,
  3641. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3642. bnx2x_cl45_write(bp, phy,
  3643. MDIO_PMA_DEVAD,
  3644. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3645. (val | (3<<9)));
  3646. }
  3647. /* Enable CL37 BAM */
  3648. if (REG_RD(bp, params->shmem_base +
  3649. offsetof(struct shmem_region, dev_info.
  3650. port_hw_config[params->port].default_cfg)) &
  3651. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3652. bnx2x_cl45_read(bp, phy,
  3653. MDIO_AN_DEVAD,
  3654. MDIO_AN_REG_8073_BAM, &val);
  3655. bnx2x_cl45_write(bp, phy,
  3656. MDIO_AN_DEVAD,
  3657. MDIO_AN_REG_8073_BAM, val | 1);
  3658. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3659. }
  3660. if (params->loopback_mode == LOOPBACK_EXT) {
  3661. bnx2x_807x_force_10G(bp, phy);
  3662. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3663. return 0;
  3664. } else {
  3665. bnx2x_cl45_write(bp, phy,
  3666. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3667. }
  3668. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3669. if (phy->req_line_speed == SPEED_10000) {
  3670. val = (1<<7);
  3671. } else if (phy->req_line_speed == SPEED_2500) {
  3672. val = (1<<5);
  3673. /*
  3674. * Note that 2.5G works only when used with 1G
  3675. * advertisement
  3676. */
  3677. } else
  3678. val = (1<<5);
  3679. } else {
  3680. val = 0;
  3681. if (phy->speed_cap_mask &
  3682. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3683. val |= (1<<7);
  3684. /* Note that 2.5G works only when used with 1G advertisement */
  3685. if (phy->speed_cap_mask &
  3686. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3687. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3688. val |= (1<<5);
  3689. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3690. }
  3691. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3692. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3693. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3694. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3695. (phy->req_line_speed == SPEED_2500)) {
  3696. u16 phy_ver;
  3697. /* Allow 2.5G for A1 and above */
  3698. bnx2x_cl45_read(bp, phy,
  3699. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3700. &phy_ver);
  3701. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3702. if (phy_ver > 0)
  3703. tmp1 |= 1;
  3704. else
  3705. tmp1 &= 0xfffe;
  3706. } else {
  3707. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3708. tmp1 &= 0xfffe;
  3709. }
  3710. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3711. /* Add support for CL37 (passive mode) II */
  3712. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3713. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3714. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3715. 0x20 : 0x40)));
  3716. /* Add support for CL37 (passive mode) III */
  3717. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3718. /*
  3719. * The SNR will improve about 2db by changing BW and FEE main
  3720. * tap. Rest commands are executed after link is up
  3721. * Change FFE main cursor to 5 in EDC register
  3722. */
  3723. if (bnx2x_8073_is_snr_needed(bp, phy))
  3724. bnx2x_cl45_write(bp, phy,
  3725. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3726. 0xFB0C);
  3727. /* Enable FEC (Forware Error Correction) Request in the AN */
  3728. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3729. tmp1 |= (1<<15);
  3730. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3731. bnx2x_ext_phy_set_pause(params, phy, vars);
  3732. /* Restart autoneg */
  3733. msleep(500);
  3734. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3735. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3736. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3737. return 0;
  3738. }
  3739. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3740. struct link_params *params,
  3741. struct link_vars *vars)
  3742. {
  3743. struct bnx2x *bp = params->bp;
  3744. u8 link_up = 0;
  3745. u16 val1, val2;
  3746. u16 link_status = 0;
  3747. u16 an1000_status = 0;
  3748. bnx2x_cl45_read(bp, phy,
  3749. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3750. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3751. /* clear the interrupt LASI status register */
  3752. bnx2x_cl45_read(bp, phy,
  3753. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3754. bnx2x_cl45_read(bp, phy,
  3755. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3756. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3757. /* Clear MSG-OUT */
  3758. bnx2x_cl45_read(bp, phy,
  3759. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3760. /* Check the LASI */
  3761. bnx2x_cl45_read(bp, phy,
  3762. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3763. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3764. /* Check the link status */
  3765. bnx2x_cl45_read(bp, phy,
  3766. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3767. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3768. bnx2x_cl45_read(bp, phy,
  3769. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3770. bnx2x_cl45_read(bp, phy,
  3771. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3772. link_up = ((val1 & 4) == 4);
  3773. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3774. if (link_up &&
  3775. ((phy->req_line_speed != SPEED_10000))) {
  3776. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3777. return 0;
  3778. }
  3779. bnx2x_cl45_read(bp, phy,
  3780. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3781. bnx2x_cl45_read(bp, phy,
  3782. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3783. /* Check the link status on 1.1.2 */
  3784. bnx2x_cl45_read(bp, phy,
  3785. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3786. bnx2x_cl45_read(bp, phy,
  3787. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3788. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3789. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3790. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3791. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3792. /*
  3793. * The SNR will improve about 2dbby changing the BW and FEE main
  3794. * tap. The 1st write to change FFE main tap is set before
  3795. * restart AN. Change PLL Bandwidth in EDC register
  3796. */
  3797. bnx2x_cl45_write(bp, phy,
  3798. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3799. 0x26BC);
  3800. /* Change CDR Bandwidth in EDC register */
  3801. bnx2x_cl45_write(bp, phy,
  3802. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3803. 0x0333);
  3804. }
  3805. bnx2x_cl45_read(bp, phy,
  3806. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3807. &link_status);
  3808. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3809. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3810. link_up = 1;
  3811. vars->line_speed = SPEED_10000;
  3812. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3813. params->port);
  3814. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3815. link_up = 1;
  3816. vars->line_speed = SPEED_2500;
  3817. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3818. params->port);
  3819. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3820. link_up = 1;
  3821. vars->line_speed = SPEED_1000;
  3822. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3823. params->port);
  3824. } else {
  3825. link_up = 0;
  3826. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3827. params->port);
  3828. }
  3829. if (link_up) {
  3830. /* Swap polarity if required */
  3831. if (params->lane_config &
  3832. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3833. /* Configure the 8073 to swap P and N of the KR lines */
  3834. bnx2x_cl45_read(bp, phy,
  3835. MDIO_XS_DEVAD,
  3836. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3837. /*
  3838. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3839. * when it`s in 10G mode.
  3840. */
  3841. if (vars->line_speed == SPEED_1000) {
  3842. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3843. "the 8073\n");
  3844. val1 |= (1<<3);
  3845. } else
  3846. val1 &= ~(1<<3);
  3847. bnx2x_cl45_write(bp, phy,
  3848. MDIO_XS_DEVAD,
  3849. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3850. val1);
  3851. }
  3852. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3853. bnx2x_8073_resolve_fc(phy, params, vars);
  3854. vars->duplex = DUPLEX_FULL;
  3855. }
  3856. return link_up;
  3857. }
  3858. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3859. struct link_params *params)
  3860. {
  3861. struct bnx2x *bp = params->bp;
  3862. u8 gpio_port;
  3863. if (CHIP_IS_E2(bp))
  3864. gpio_port = BP_PATH(bp);
  3865. else
  3866. gpio_port = params->port;
  3867. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3868. gpio_port);
  3869. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3870. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3871. gpio_port);
  3872. }
  3873. /******************************************************************/
  3874. /* BCM8705 PHY SECTION */
  3875. /******************************************************************/
  3876. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3877. struct link_params *params,
  3878. struct link_vars *vars)
  3879. {
  3880. struct bnx2x *bp = params->bp;
  3881. DP(NETIF_MSG_LINK, "init 8705\n");
  3882. /* Restore normal power mode*/
  3883. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3884. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3885. /* HW reset */
  3886. bnx2x_ext_phy_hw_reset(bp, params->port);
  3887. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3888. bnx2x_wait_reset_complete(bp, phy, params);
  3889. bnx2x_cl45_write(bp, phy,
  3890. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3891. bnx2x_cl45_write(bp, phy,
  3892. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3893. bnx2x_cl45_write(bp, phy,
  3894. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3895. bnx2x_cl45_write(bp, phy,
  3896. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3897. /* BCM8705 doesn't have microcode, hence the 0 */
  3898. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3899. return 0;
  3900. }
  3901. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3902. struct link_params *params,
  3903. struct link_vars *vars)
  3904. {
  3905. u8 link_up = 0;
  3906. u16 val1, rx_sd;
  3907. struct bnx2x *bp = params->bp;
  3908. DP(NETIF_MSG_LINK, "read status 8705\n");
  3909. bnx2x_cl45_read(bp, phy,
  3910. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3911. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3912. bnx2x_cl45_read(bp, phy,
  3913. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3914. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3915. bnx2x_cl45_read(bp, phy,
  3916. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3917. bnx2x_cl45_read(bp, phy,
  3918. MDIO_PMA_DEVAD, 0xc809, &val1);
  3919. bnx2x_cl45_read(bp, phy,
  3920. MDIO_PMA_DEVAD, 0xc809, &val1);
  3921. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3922. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3923. if (link_up) {
  3924. vars->line_speed = SPEED_10000;
  3925. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3926. }
  3927. return link_up;
  3928. }
  3929. /******************************************************************/
  3930. /* SFP+ module Section */
  3931. /******************************************************************/
  3932. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3933. {
  3934. u8 gpio_port;
  3935. u32 swap_val, swap_override;
  3936. struct bnx2x *bp = params->bp;
  3937. if (CHIP_IS_E2(bp))
  3938. gpio_port = BP_PATH(bp);
  3939. else
  3940. gpio_port = params->port;
  3941. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3942. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3943. return gpio_port ^ (swap_val && swap_override);
  3944. }
  3945. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3946. struct bnx2x_phy *phy,
  3947. u8 tx_en)
  3948. {
  3949. u16 val;
  3950. u8 port = params->port;
  3951. struct bnx2x *bp = params->bp;
  3952. u32 tx_en_mode;
  3953. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3954. tx_en_mode = REG_RD(bp, params->shmem_base +
  3955. offsetof(struct shmem_region,
  3956. dev_info.port_hw_config[port].sfp_ctrl)) &
  3957. PORT_HW_CFG_TX_LASER_MASK;
  3958. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3959. "mode = %x\n", tx_en, port, tx_en_mode);
  3960. switch (tx_en_mode) {
  3961. case PORT_HW_CFG_TX_LASER_MDIO:
  3962. bnx2x_cl45_read(bp, phy,
  3963. MDIO_PMA_DEVAD,
  3964. MDIO_PMA_REG_PHY_IDENTIFIER,
  3965. &val);
  3966. if (tx_en)
  3967. val &= ~(1<<15);
  3968. else
  3969. val |= (1<<15);
  3970. bnx2x_cl45_write(bp, phy,
  3971. MDIO_PMA_DEVAD,
  3972. MDIO_PMA_REG_PHY_IDENTIFIER,
  3973. val);
  3974. break;
  3975. case PORT_HW_CFG_TX_LASER_GPIO0:
  3976. case PORT_HW_CFG_TX_LASER_GPIO1:
  3977. case PORT_HW_CFG_TX_LASER_GPIO2:
  3978. case PORT_HW_CFG_TX_LASER_GPIO3:
  3979. {
  3980. u16 gpio_pin;
  3981. u8 gpio_port, gpio_mode;
  3982. if (tx_en)
  3983. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3984. else
  3985. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3986. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3987. gpio_port = bnx2x_get_gpio_port(params);
  3988. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3989. break;
  3990. }
  3991. default:
  3992. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3993. break;
  3994. }
  3995. }
  3996. static int bnx2x_8726_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 = 0;
  4002. u16 i;
  4003. if (byte_cnt > 16) {
  4004. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4005. " is limited to 0xf\n");
  4006. return -EINVAL;
  4007. }
  4008. /* Set the read command byte count */
  4009. bnx2x_cl45_write(bp, phy,
  4010. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4011. (byte_cnt | 0xa000));
  4012. /* Set the read command address */
  4013. bnx2x_cl45_write(bp, phy,
  4014. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4015. addr);
  4016. /* Activate read command */
  4017. bnx2x_cl45_write(bp, phy,
  4018. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4019. 0x2c0f);
  4020. /* Wait up to 500us for command complete status */
  4021. for (i = 0; i < 100; i++) {
  4022. bnx2x_cl45_read(bp, phy,
  4023. MDIO_PMA_DEVAD,
  4024. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4025. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4026. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4027. break;
  4028. udelay(5);
  4029. }
  4030. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4031. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4032. DP(NETIF_MSG_LINK,
  4033. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4034. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4035. return -EINVAL;
  4036. }
  4037. /* Read the buffer */
  4038. for (i = 0; i < byte_cnt; i++) {
  4039. bnx2x_cl45_read(bp, phy,
  4040. MDIO_PMA_DEVAD,
  4041. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4042. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4043. }
  4044. for (i = 0; i < 100; i++) {
  4045. bnx2x_cl45_read(bp, phy,
  4046. MDIO_PMA_DEVAD,
  4047. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4048. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4049. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4050. return 0;
  4051. msleep(1);
  4052. }
  4053. return -EINVAL;
  4054. }
  4055. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4056. struct link_params *params,
  4057. u16 addr, u8 byte_cnt, u8 *o_buf)
  4058. {
  4059. struct bnx2x *bp = params->bp;
  4060. u16 val, i;
  4061. if (byte_cnt > 16) {
  4062. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4063. " is limited to 0xf\n");
  4064. return -EINVAL;
  4065. }
  4066. /* Need to read from 1.8000 to clear it */
  4067. bnx2x_cl45_read(bp, phy,
  4068. MDIO_PMA_DEVAD,
  4069. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4070. &val);
  4071. /* Set the read command byte count */
  4072. bnx2x_cl45_write(bp, phy,
  4073. MDIO_PMA_DEVAD,
  4074. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4075. ((byte_cnt < 2) ? 2 : byte_cnt));
  4076. /* Set the read command address */
  4077. bnx2x_cl45_write(bp, phy,
  4078. MDIO_PMA_DEVAD,
  4079. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4080. addr);
  4081. /* Set the destination address */
  4082. bnx2x_cl45_write(bp, phy,
  4083. MDIO_PMA_DEVAD,
  4084. 0x8004,
  4085. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4086. /* Activate read command */
  4087. bnx2x_cl45_write(bp, phy,
  4088. MDIO_PMA_DEVAD,
  4089. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4090. 0x8002);
  4091. /*
  4092. * Wait appropriate time for two-wire command to finish before
  4093. * polling the status register
  4094. */
  4095. msleep(1);
  4096. /* Wait up to 500us for command complete status */
  4097. for (i = 0; i < 100; i++) {
  4098. bnx2x_cl45_read(bp, phy,
  4099. MDIO_PMA_DEVAD,
  4100. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4101. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4102. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4103. break;
  4104. udelay(5);
  4105. }
  4106. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4107. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4108. DP(NETIF_MSG_LINK,
  4109. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4110. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4111. return -EFAULT;
  4112. }
  4113. /* Read the buffer */
  4114. for (i = 0; i < byte_cnt; i++) {
  4115. bnx2x_cl45_read(bp, phy,
  4116. MDIO_PMA_DEVAD,
  4117. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4118. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4119. }
  4120. for (i = 0; i < 100; i++) {
  4121. bnx2x_cl45_read(bp, phy,
  4122. MDIO_PMA_DEVAD,
  4123. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4124. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4125. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4126. return 0;
  4127. msleep(1);
  4128. }
  4129. return -EINVAL;
  4130. }
  4131. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4132. struct link_params *params, u16 addr,
  4133. u8 byte_cnt, u8 *o_buf)
  4134. {
  4135. int rc = -EINVAL;
  4136. switch (phy->type) {
  4137. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4138. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4139. byte_cnt, o_buf);
  4140. break;
  4141. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4142. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4143. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4144. byte_cnt, o_buf);
  4145. break;
  4146. }
  4147. return rc;
  4148. }
  4149. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4150. struct link_params *params,
  4151. u16 *edc_mode)
  4152. {
  4153. struct bnx2x *bp = params->bp;
  4154. u32 sync_offset = 0, phy_idx, media_types;
  4155. u8 val, check_limiting_mode = 0;
  4156. *edc_mode = EDC_MODE_LIMITING;
  4157. phy->media_type = ETH_PHY_UNSPECIFIED;
  4158. /* First check for copper cable */
  4159. if (bnx2x_read_sfp_module_eeprom(phy,
  4160. params,
  4161. SFP_EEPROM_CON_TYPE_ADDR,
  4162. 1,
  4163. &val) != 0) {
  4164. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4165. return -EINVAL;
  4166. }
  4167. switch (val) {
  4168. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4169. {
  4170. u8 copper_module_type;
  4171. phy->media_type = ETH_PHY_DA_TWINAX;
  4172. /*
  4173. * Check if its active cable (includes SFP+ module)
  4174. * of passive cable
  4175. */
  4176. if (bnx2x_read_sfp_module_eeprom(phy,
  4177. params,
  4178. SFP_EEPROM_FC_TX_TECH_ADDR,
  4179. 1,
  4180. &copper_module_type) != 0) {
  4181. DP(NETIF_MSG_LINK,
  4182. "Failed to read copper-cable-type"
  4183. " from SFP+ EEPROM\n");
  4184. return -EINVAL;
  4185. }
  4186. if (copper_module_type &
  4187. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4188. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4189. check_limiting_mode = 1;
  4190. } else if (copper_module_type &
  4191. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4192. DP(NETIF_MSG_LINK, "Passive Copper"
  4193. " cable detected\n");
  4194. *edc_mode =
  4195. EDC_MODE_PASSIVE_DAC;
  4196. } else {
  4197. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4198. "type 0x%x !!!\n", copper_module_type);
  4199. return -EINVAL;
  4200. }
  4201. break;
  4202. }
  4203. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4204. phy->media_type = ETH_PHY_SFP_FIBER;
  4205. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4206. check_limiting_mode = 1;
  4207. break;
  4208. default:
  4209. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4210. val);
  4211. return -EINVAL;
  4212. }
  4213. sync_offset = params->shmem_base +
  4214. offsetof(struct shmem_region,
  4215. dev_info.port_hw_config[params->port].media_type);
  4216. media_types = REG_RD(bp, sync_offset);
  4217. /* Update media type for non-PMF sync */
  4218. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  4219. if (&(params->phy[phy_idx]) == phy) {
  4220. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  4221. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4222. media_types |= ((phy->media_type &
  4223. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  4224. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4225. break;
  4226. }
  4227. }
  4228. REG_WR(bp, sync_offset, media_types);
  4229. if (check_limiting_mode) {
  4230. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4231. if (bnx2x_read_sfp_module_eeprom(phy,
  4232. params,
  4233. SFP_EEPROM_OPTIONS_ADDR,
  4234. SFP_EEPROM_OPTIONS_SIZE,
  4235. options) != 0) {
  4236. DP(NETIF_MSG_LINK, "Failed to read Option"
  4237. " field from module EEPROM\n");
  4238. return -EINVAL;
  4239. }
  4240. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4241. *edc_mode = EDC_MODE_LINEAR;
  4242. else
  4243. *edc_mode = EDC_MODE_LIMITING;
  4244. }
  4245. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4246. return 0;
  4247. }
  4248. /*
  4249. * This function read the relevant field from the module (SFP+), and verify it
  4250. * is compliant with this board
  4251. */
  4252. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4253. struct link_params *params)
  4254. {
  4255. struct bnx2x *bp = params->bp;
  4256. u32 val, cmd;
  4257. u32 fw_resp, fw_cmd_param;
  4258. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4259. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4260. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4261. val = REG_RD(bp, params->shmem_base +
  4262. offsetof(struct shmem_region, dev_info.
  4263. port_feature_config[params->port].config));
  4264. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4265. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4266. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4267. return 0;
  4268. }
  4269. if (params->feature_config_flags &
  4270. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4271. /* Use specific phy request */
  4272. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4273. } else if (params->feature_config_flags &
  4274. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4275. /* Use first phy request only in case of non-dual media*/
  4276. if (DUAL_MEDIA(params)) {
  4277. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4278. "verification\n");
  4279. return -EINVAL;
  4280. }
  4281. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4282. } else {
  4283. /* No support in OPT MDL detection */
  4284. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4285. "verification\n");
  4286. return -EINVAL;
  4287. }
  4288. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4289. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4290. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4291. DP(NETIF_MSG_LINK, "Approved module\n");
  4292. return 0;
  4293. }
  4294. /* format the warning message */
  4295. if (bnx2x_read_sfp_module_eeprom(phy,
  4296. params,
  4297. SFP_EEPROM_VENDOR_NAME_ADDR,
  4298. SFP_EEPROM_VENDOR_NAME_SIZE,
  4299. (u8 *)vendor_name))
  4300. vendor_name[0] = '\0';
  4301. else
  4302. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4303. if (bnx2x_read_sfp_module_eeprom(phy,
  4304. params,
  4305. SFP_EEPROM_PART_NO_ADDR,
  4306. SFP_EEPROM_PART_NO_SIZE,
  4307. (u8 *)vendor_pn))
  4308. vendor_pn[0] = '\0';
  4309. else
  4310. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4311. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4312. " Port %d from %s part number %s\n",
  4313. params->port, vendor_name, vendor_pn);
  4314. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4315. return -EINVAL;
  4316. }
  4317. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4318. struct link_params *params)
  4319. {
  4320. u8 val;
  4321. struct bnx2x *bp = params->bp;
  4322. u16 timeout;
  4323. /*
  4324. * Initialization time after hot-plug may take up to 300ms for
  4325. * some phys type ( e.g. JDSU )
  4326. */
  4327. for (timeout = 0; timeout < 60; timeout++) {
  4328. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4329. == 0) {
  4330. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4331. "took %d ms\n", timeout * 5);
  4332. return 0;
  4333. }
  4334. msleep(5);
  4335. }
  4336. return -EINVAL;
  4337. }
  4338. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4339. struct bnx2x_phy *phy,
  4340. u8 is_power_up) {
  4341. /* Make sure GPIOs are not using for LED mode */
  4342. u16 val;
  4343. /*
  4344. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4345. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4346. * output
  4347. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4348. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4349. * where the 1st bit is the over-current(only input), and 2nd bit is
  4350. * for power( only output )
  4351. *
  4352. * In case of NOC feature is disabled and power is up, set GPIO control
  4353. * as input to enable listening of over-current indication
  4354. */
  4355. if (phy->flags & FLAGS_NOC)
  4356. return;
  4357. if (is_power_up)
  4358. val = (1<<4);
  4359. else
  4360. /*
  4361. * Set GPIO control to OUTPUT, and set the power bit
  4362. * to according to the is_power_up
  4363. */
  4364. val = (1<<1);
  4365. bnx2x_cl45_write(bp, phy,
  4366. MDIO_PMA_DEVAD,
  4367. MDIO_PMA_REG_8727_GPIO_CTRL,
  4368. val);
  4369. }
  4370. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4371. struct bnx2x_phy *phy,
  4372. u16 edc_mode)
  4373. {
  4374. u16 cur_limiting_mode;
  4375. bnx2x_cl45_read(bp, phy,
  4376. MDIO_PMA_DEVAD,
  4377. MDIO_PMA_REG_ROM_VER2,
  4378. &cur_limiting_mode);
  4379. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4380. cur_limiting_mode);
  4381. if (edc_mode == EDC_MODE_LIMITING) {
  4382. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4383. bnx2x_cl45_write(bp, phy,
  4384. MDIO_PMA_DEVAD,
  4385. MDIO_PMA_REG_ROM_VER2,
  4386. EDC_MODE_LIMITING);
  4387. } else { /* LRM mode ( default )*/
  4388. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4389. /*
  4390. * Changing to LRM mode takes quite few seconds. So do it only
  4391. * if current mode is limiting (default is LRM)
  4392. */
  4393. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4394. return 0;
  4395. bnx2x_cl45_write(bp, phy,
  4396. MDIO_PMA_DEVAD,
  4397. MDIO_PMA_REG_LRM_MODE,
  4398. 0);
  4399. bnx2x_cl45_write(bp, phy,
  4400. MDIO_PMA_DEVAD,
  4401. MDIO_PMA_REG_ROM_VER2,
  4402. 0x128);
  4403. bnx2x_cl45_write(bp, phy,
  4404. MDIO_PMA_DEVAD,
  4405. MDIO_PMA_REG_MISC_CTRL0,
  4406. 0x4008);
  4407. bnx2x_cl45_write(bp, phy,
  4408. MDIO_PMA_DEVAD,
  4409. MDIO_PMA_REG_LRM_MODE,
  4410. 0xaaaa);
  4411. }
  4412. return 0;
  4413. }
  4414. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4415. struct bnx2x_phy *phy,
  4416. u16 edc_mode)
  4417. {
  4418. u16 phy_identifier;
  4419. u16 rom_ver2_val;
  4420. bnx2x_cl45_read(bp, phy,
  4421. MDIO_PMA_DEVAD,
  4422. MDIO_PMA_REG_PHY_IDENTIFIER,
  4423. &phy_identifier);
  4424. bnx2x_cl45_write(bp, phy,
  4425. MDIO_PMA_DEVAD,
  4426. MDIO_PMA_REG_PHY_IDENTIFIER,
  4427. (phy_identifier & ~(1<<9)));
  4428. bnx2x_cl45_read(bp, phy,
  4429. MDIO_PMA_DEVAD,
  4430. MDIO_PMA_REG_ROM_VER2,
  4431. &rom_ver2_val);
  4432. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4433. bnx2x_cl45_write(bp, phy,
  4434. MDIO_PMA_DEVAD,
  4435. MDIO_PMA_REG_ROM_VER2,
  4436. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4437. bnx2x_cl45_write(bp, phy,
  4438. MDIO_PMA_DEVAD,
  4439. MDIO_PMA_REG_PHY_IDENTIFIER,
  4440. (phy_identifier | (1<<9)));
  4441. return 0;
  4442. }
  4443. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4444. struct link_params *params,
  4445. u32 action)
  4446. {
  4447. struct bnx2x *bp = params->bp;
  4448. switch (action) {
  4449. case DISABLE_TX:
  4450. bnx2x_sfp_set_transmitter(params, phy, 0);
  4451. break;
  4452. case ENABLE_TX:
  4453. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4454. bnx2x_sfp_set_transmitter(params, phy, 1);
  4455. break;
  4456. default:
  4457. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4458. action);
  4459. return;
  4460. }
  4461. }
  4462. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4463. u8 gpio_mode)
  4464. {
  4465. struct bnx2x *bp = params->bp;
  4466. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4467. offsetof(struct shmem_region,
  4468. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4469. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4470. switch (fault_led_gpio) {
  4471. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4472. return;
  4473. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4474. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4475. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4476. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4477. {
  4478. u8 gpio_port = bnx2x_get_gpio_port(params);
  4479. u16 gpio_pin = fault_led_gpio -
  4480. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4481. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4482. "pin %x port %x mode %x\n",
  4483. gpio_pin, gpio_port, gpio_mode);
  4484. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4485. }
  4486. break;
  4487. default:
  4488. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4489. fault_led_gpio);
  4490. }
  4491. }
  4492. static void bnx2x_power_sfp_module(struct link_params *params,
  4493. struct bnx2x_phy *phy,
  4494. u8 power)
  4495. {
  4496. struct bnx2x *bp = params->bp;
  4497. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4498. switch (phy->type) {
  4499. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4500. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4501. bnx2x_8727_power_module(params->bp, phy, power);
  4502. break;
  4503. default:
  4504. break;
  4505. }
  4506. }
  4507. static void bnx2x_set_limiting_mode(struct link_params *params,
  4508. struct bnx2x_phy *phy,
  4509. u16 edc_mode)
  4510. {
  4511. switch (phy->type) {
  4512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4513. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4514. break;
  4515. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4517. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4518. break;
  4519. }
  4520. }
  4521. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4522. struct link_params *params)
  4523. {
  4524. struct bnx2x *bp = params->bp;
  4525. u16 edc_mode;
  4526. int rc = 0;
  4527. u32 val = REG_RD(bp, params->shmem_base +
  4528. offsetof(struct shmem_region, dev_info.
  4529. port_feature_config[params->port].config));
  4530. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4531. params->port);
  4532. /* Power up module */
  4533. bnx2x_power_sfp_module(params, phy, 1);
  4534. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4535. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4536. return -EINVAL;
  4537. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4538. /* check SFP+ module compatibility */
  4539. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4540. rc = -EINVAL;
  4541. /* Turn on fault module-detected led */
  4542. bnx2x_set_sfp_module_fault_led(params,
  4543. MISC_REGISTERS_GPIO_HIGH);
  4544. /* Check if need to power down the SFP+ module */
  4545. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4546. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4547. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4548. bnx2x_power_sfp_module(params, phy, 0);
  4549. return rc;
  4550. }
  4551. } else {
  4552. /* Turn off fault module-detected led */
  4553. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4554. }
  4555. /*
  4556. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4557. * is done automatically
  4558. */
  4559. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4560. /*
  4561. * Enable transmit for this module if the module is approved, or
  4562. * if unapproved modules should also enable the Tx laser
  4563. */
  4564. if (rc == 0 ||
  4565. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4566. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4567. bnx2x_sfp_set_transmitter(params, phy, 1);
  4568. else
  4569. bnx2x_sfp_set_transmitter(params, phy, 0);
  4570. return rc;
  4571. }
  4572. void bnx2x_handle_module_detect_int(struct link_params *params)
  4573. {
  4574. struct bnx2x *bp = params->bp;
  4575. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4576. u32 gpio_val;
  4577. u8 port = params->port;
  4578. /* Set valid module led off */
  4579. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4580. /* Get current gpio val reflecting module plugged in / out*/
  4581. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4582. /* Call the handling function in case module is detected */
  4583. if (gpio_val == 0) {
  4584. bnx2x_power_sfp_module(params, phy, 1);
  4585. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4586. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4587. port);
  4588. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4589. bnx2x_sfp_module_detection(phy, params);
  4590. else
  4591. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4592. } else {
  4593. u32 val = REG_RD(bp, params->shmem_base +
  4594. offsetof(struct shmem_region, dev_info.
  4595. port_feature_config[params->port].
  4596. config));
  4597. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4598. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4599. port);
  4600. /*
  4601. * Module was plugged out.
  4602. * Disable transmit for this module
  4603. */
  4604. phy->media_type = ETH_PHY_NOT_PRESENT;
  4605. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4606. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4607. bnx2x_sfp_set_transmitter(params, phy, 0);
  4608. }
  4609. }
  4610. /******************************************************************/
  4611. /* Used by 8706 and 8727 */
  4612. /******************************************************************/
  4613. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  4614. struct bnx2x_phy *phy,
  4615. u16 alarm_status_offset,
  4616. u16 alarm_ctrl_offset)
  4617. {
  4618. u16 alarm_status, val;
  4619. bnx2x_cl45_read(bp, phy,
  4620. MDIO_PMA_DEVAD, alarm_status_offset,
  4621. &alarm_status);
  4622. bnx2x_cl45_read(bp, phy,
  4623. MDIO_PMA_DEVAD, alarm_status_offset,
  4624. &alarm_status);
  4625. /* Mask or enable the fault event. */
  4626. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  4627. if (alarm_status & (1<<0))
  4628. val &= ~(1<<0);
  4629. else
  4630. val |= (1<<0);
  4631. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  4632. }
  4633. /******************************************************************/
  4634. /* common BCM8706/BCM8726 PHY SECTION */
  4635. /******************************************************************/
  4636. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4637. struct link_params *params,
  4638. struct link_vars *vars)
  4639. {
  4640. u8 link_up = 0;
  4641. u16 val1, val2, rx_sd, pcs_status;
  4642. struct bnx2x *bp = params->bp;
  4643. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4644. /* Clear RX Alarm*/
  4645. bnx2x_cl45_read(bp, phy,
  4646. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4647. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  4648. MDIO_PMA_REG_TX_ALARM_CTRL);
  4649. /* clear LASI indication*/
  4650. bnx2x_cl45_read(bp, phy,
  4651. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4652. bnx2x_cl45_read(bp, phy,
  4653. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4654. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4655. bnx2x_cl45_read(bp, phy,
  4656. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4657. bnx2x_cl45_read(bp, phy,
  4658. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4659. bnx2x_cl45_read(bp, phy,
  4660. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4661. bnx2x_cl45_read(bp, phy,
  4662. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4663. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4664. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4665. /*
  4666. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4667. * are set, or if the autoneg bit 1 is set
  4668. */
  4669. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4670. if (link_up) {
  4671. if (val2 & (1<<1))
  4672. vars->line_speed = SPEED_1000;
  4673. else
  4674. vars->line_speed = SPEED_10000;
  4675. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4676. vars->duplex = DUPLEX_FULL;
  4677. }
  4678. /* Capture 10G link fault. Read twice to clear stale value. */
  4679. if (vars->line_speed == SPEED_10000) {
  4680. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4681. MDIO_PMA_REG_TX_ALARM, &val1);
  4682. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4683. MDIO_PMA_REG_TX_ALARM, &val1);
  4684. if (val1 & (1<<0))
  4685. vars->fault_detected = 1;
  4686. }
  4687. return link_up;
  4688. }
  4689. /******************************************************************/
  4690. /* BCM8706 PHY SECTION */
  4691. /******************************************************************/
  4692. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4693. struct link_params *params,
  4694. struct link_vars *vars)
  4695. {
  4696. u32 tx_en_mode;
  4697. u16 cnt, val, tmp1;
  4698. struct bnx2x *bp = params->bp;
  4699. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4700. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4701. /* HW reset */
  4702. bnx2x_ext_phy_hw_reset(bp, params->port);
  4703. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4704. bnx2x_wait_reset_complete(bp, phy, params);
  4705. /* Wait until fw is loaded */
  4706. for (cnt = 0; cnt < 100; cnt++) {
  4707. bnx2x_cl45_read(bp, phy,
  4708. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4709. if (val)
  4710. break;
  4711. msleep(10);
  4712. }
  4713. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4714. if ((params->feature_config_flags &
  4715. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4716. u8 i;
  4717. u16 reg;
  4718. for (i = 0; i < 4; i++) {
  4719. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4720. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4721. MDIO_XS_8706_REG_BANK_RX0);
  4722. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4723. /* Clear first 3 bits of the control */
  4724. val &= ~0x7;
  4725. /* Set control bits according to configuration */
  4726. val |= (phy->rx_preemphasis[i] & 0x7);
  4727. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4728. " reg 0x%x <-- val 0x%x\n", reg, val);
  4729. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4730. }
  4731. }
  4732. /* Force speed */
  4733. if (phy->req_line_speed == SPEED_10000) {
  4734. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4735. bnx2x_cl45_write(bp, phy,
  4736. MDIO_PMA_DEVAD,
  4737. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4738. bnx2x_cl45_write(bp, phy,
  4739. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  4740. 0);
  4741. /* Arm LASI for link and Tx fault. */
  4742. bnx2x_cl45_write(bp, phy,
  4743. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
  4744. } else {
  4745. /* Force 1Gbps using autoneg with 1G advertisement */
  4746. /* Allow CL37 through CL73 */
  4747. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4748. bnx2x_cl45_write(bp, phy,
  4749. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4750. /* Enable Full-Duplex advertisement on CL37 */
  4751. bnx2x_cl45_write(bp, phy,
  4752. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4753. /* Enable CL37 AN */
  4754. bnx2x_cl45_write(bp, phy,
  4755. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4756. /* 1G support */
  4757. bnx2x_cl45_write(bp, phy,
  4758. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4759. /* Enable clause 73 AN */
  4760. bnx2x_cl45_write(bp, phy,
  4761. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4762. bnx2x_cl45_write(bp, phy,
  4763. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4764. 0x0400);
  4765. bnx2x_cl45_write(bp, phy,
  4766. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4767. 0x0004);
  4768. }
  4769. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4770. /*
  4771. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4772. * power mode, if TX Laser is disabled
  4773. */
  4774. tx_en_mode = REG_RD(bp, params->shmem_base +
  4775. offsetof(struct shmem_region,
  4776. dev_info.port_hw_config[params->port].sfp_ctrl))
  4777. & PORT_HW_CFG_TX_LASER_MASK;
  4778. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4779. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4780. bnx2x_cl45_read(bp, phy,
  4781. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4782. tmp1 |= 0x1;
  4783. bnx2x_cl45_write(bp, phy,
  4784. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4785. }
  4786. return 0;
  4787. }
  4788. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4789. struct link_params *params,
  4790. struct link_vars *vars)
  4791. {
  4792. return bnx2x_8706_8726_read_status(phy, params, vars);
  4793. }
  4794. /******************************************************************/
  4795. /* BCM8726 PHY SECTION */
  4796. /******************************************************************/
  4797. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4798. struct link_params *params)
  4799. {
  4800. struct bnx2x *bp = params->bp;
  4801. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4802. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4803. }
  4804. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4805. struct link_params *params)
  4806. {
  4807. struct bnx2x *bp = params->bp;
  4808. /* Need to wait 100ms after reset */
  4809. msleep(100);
  4810. /* Micro controller re-boot */
  4811. bnx2x_cl45_write(bp, phy,
  4812. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4813. /* Set soft reset */
  4814. bnx2x_cl45_write(bp, phy,
  4815. MDIO_PMA_DEVAD,
  4816. MDIO_PMA_REG_GEN_CTRL,
  4817. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4818. bnx2x_cl45_write(bp, phy,
  4819. MDIO_PMA_DEVAD,
  4820. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4821. bnx2x_cl45_write(bp, phy,
  4822. MDIO_PMA_DEVAD,
  4823. MDIO_PMA_REG_GEN_CTRL,
  4824. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4825. /* wait for 150ms for microcode load */
  4826. msleep(150);
  4827. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4828. bnx2x_cl45_write(bp, phy,
  4829. MDIO_PMA_DEVAD,
  4830. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4831. msleep(200);
  4832. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4833. }
  4834. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4835. struct link_params *params,
  4836. struct link_vars *vars)
  4837. {
  4838. struct bnx2x *bp = params->bp;
  4839. u16 val1;
  4840. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4841. if (link_up) {
  4842. bnx2x_cl45_read(bp, phy,
  4843. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4844. &val1);
  4845. if (val1 & (1<<15)) {
  4846. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4847. link_up = 0;
  4848. vars->line_speed = 0;
  4849. }
  4850. }
  4851. return link_up;
  4852. }
  4853. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4854. struct link_params *params,
  4855. struct link_vars *vars)
  4856. {
  4857. struct bnx2x *bp = params->bp;
  4858. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4859. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4860. bnx2x_wait_reset_complete(bp, phy, params);
  4861. bnx2x_8726_external_rom_boot(phy, params);
  4862. /*
  4863. * Need to call module detected on initialization since the module
  4864. * detection triggered by actual module insertion might occur before
  4865. * driver is loaded, and when driver is loaded, it reset all
  4866. * registers, including the transmitter
  4867. */
  4868. bnx2x_sfp_module_detection(phy, params);
  4869. if (phy->req_line_speed == SPEED_1000) {
  4870. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4871. bnx2x_cl45_write(bp, phy,
  4872. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4873. bnx2x_cl45_write(bp, phy,
  4874. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4875. bnx2x_cl45_write(bp, phy,
  4876. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4877. bnx2x_cl45_write(bp, phy,
  4878. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4879. 0x400);
  4880. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4881. (phy->speed_cap_mask &
  4882. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4883. ((phy->speed_cap_mask &
  4884. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4885. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4886. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4887. /* Set Flow control */
  4888. bnx2x_ext_phy_set_pause(params, phy, vars);
  4889. bnx2x_cl45_write(bp, phy,
  4890. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4891. bnx2x_cl45_write(bp, phy,
  4892. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4893. bnx2x_cl45_write(bp, phy,
  4894. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4895. bnx2x_cl45_write(bp, phy,
  4896. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4897. bnx2x_cl45_write(bp, phy,
  4898. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4899. /*
  4900. * Enable RX-ALARM control to receive interrupt for 1G speed
  4901. * change
  4902. */
  4903. bnx2x_cl45_write(bp, phy,
  4904. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4905. bnx2x_cl45_write(bp, phy,
  4906. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4907. 0x400);
  4908. } else { /* Default 10G. Set only LASI control */
  4909. bnx2x_cl45_write(bp, phy,
  4910. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4911. }
  4912. /* Set TX PreEmphasis if needed */
  4913. if ((params->feature_config_flags &
  4914. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4915. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4916. "TX_CTRL2 0x%x\n",
  4917. phy->tx_preemphasis[0],
  4918. phy->tx_preemphasis[1]);
  4919. bnx2x_cl45_write(bp, phy,
  4920. MDIO_PMA_DEVAD,
  4921. MDIO_PMA_REG_8726_TX_CTRL1,
  4922. phy->tx_preemphasis[0]);
  4923. bnx2x_cl45_write(bp, phy,
  4924. MDIO_PMA_DEVAD,
  4925. MDIO_PMA_REG_8726_TX_CTRL2,
  4926. phy->tx_preemphasis[1]);
  4927. }
  4928. return 0;
  4929. }
  4930. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4931. struct link_params *params)
  4932. {
  4933. struct bnx2x *bp = params->bp;
  4934. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4935. /* Set serial boot control for external load */
  4936. bnx2x_cl45_write(bp, phy,
  4937. MDIO_PMA_DEVAD,
  4938. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4939. }
  4940. /******************************************************************/
  4941. /* BCM8727 PHY SECTION */
  4942. /******************************************************************/
  4943. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4944. struct link_params *params, u8 mode)
  4945. {
  4946. struct bnx2x *bp = params->bp;
  4947. u16 led_mode_bitmask = 0;
  4948. u16 gpio_pins_bitmask = 0;
  4949. u16 val;
  4950. /* Only NOC flavor requires to set the LED specifically */
  4951. if (!(phy->flags & FLAGS_NOC))
  4952. return;
  4953. switch (mode) {
  4954. case LED_MODE_FRONT_PANEL_OFF:
  4955. case LED_MODE_OFF:
  4956. led_mode_bitmask = 0;
  4957. gpio_pins_bitmask = 0x03;
  4958. break;
  4959. case LED_MODE_ON:
  4960. led_mode_bitmask = 0;
  4961. gpio_pins_bitmask = 0x02;
  4962. break;
  4963. case LED_MODE_OPER:
  4964. led_mode_bitmask = 0x60;
  4965. gpio_pins_bitmask = 0x11;
  4966. break;
  4967. }
  4968. bnx2x_cl45_read(bp, phy,
  4969. MDIO_PMA_DEVAD,
  4970. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4971. &val);
  4972. val &= 0xff8f;
  4973. val |= led_mode_bitmask;
  4974. bnx2x_cl45_write(bp, phy,
  4975. MDIO_PMA_DEVAD,
  4976. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4977. val);
  4978. bnx2x_cl45_read(bp, phy,
  4979. MDIO_PMA_DEVAD,
  4980. MDIO_PMA_REG_8727_GPIO_CTRL,
  4981. &val);
  4982. val &= 0xffe0;
  4983. val |= gpio_pins_bitmask;
  4984. bnx2x_cl45_write(bp, phy,
  4985. MDIO_PMA_DEVAD,
  4986. MDIO_PMA_REG_8727_GPIO_CTRL,
  4987. val);
  4988. }
  4989. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4990. struct link_params *params) {
  4991. u32 swap_val, swap_override;
  4992. u8 port;
  4993. /*
  4994. * The PHY reset is controlled by GPIO 1. Fake the port number
  4995. * to cancel the swap done in set_gpio()
  4996. */
  4997. struct bnx2x *bp = params->bp;
  4998. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4999. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  5000. port = (swap_val && swap_override) ^ 1;
  5001. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5002. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5003. }
  5004. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  5005. struct link_params *params,
  5006. struct link_vars *vars)
  5007. {
  5008. u32 tx_en_mode;
  5009. u16 tmp1, val, mod_abs, tmp2;
  5010. u16 rx_alarm_ctrl_val;
  5011. u16 lasi_ctrl_val;
  5012. struct bnx2x *bp = params->bp;
  5013. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  5014. bnx2x_wait_reset_complete(bp, phy, params);
  5015. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  5016. /* Should be 0x6 to enable XS on Tx side. */
  5017. lasi_ctrl_val = 0x0006;
  5018. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  5019. /* enable LASI */
  5020. bnx2x_cl45_write(bp, phy,
  5021. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5022. rx_alarm_ctrl_val);
  5023. bnx2x_cl45_write(bp, phy,
  5024. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  5025. 0);
  5026. bnx2x_cl45_write(bp, phy,
  5027. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  5028. /*
  5029. * Initially configure MOD_ABS to interrupt when module is
  5030. * presence( bit 8)
  5031. */
  5032. bnx2x_cl45_read(bp, phy,
  5033. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5034. /*
  5035. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  5036. * When the EDC is off it locks onto a reference clock and avoids
  5037. * becoming 'lost'
  5038. */
  5039. mod_abs &= ~(1<<8);
  5040. if (!(phy->flags & FLAGS_NOC))
  5041. mod_abs &= ~(1<<9);
  5042. bnx2x_cl45_write(bp, phy,
  5043. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5044. /* Make MOD_ABS give interrupt on change */
  5045. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  5046. &val);
  5047. val |= (1<<12);
  5048. if (phy->flags & FLAGS_NOC)
  5049. val |= (3<<5);
  5050. /*
  5051. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  5052. * status which reflect SFP+ module over-current
  5053. */
  5054. if (!(phy->flags & FLAGS_NOC))
  5055. val &= 0xff8f; /* Reset bits 4-6 */
  5056. bnx2x_cl45_write(bp, phy,
  5057. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  5058. bnx2x_8727_power_module(bp, phy, 1);
  5059. bnx2x_cl45_read(bp, phy,
  5060. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  5061. bnx2x_cl45_read(bp, phy,
  5062. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  5063. /* Set option 1G speed */
  5064. if (phy->req_line_speed == SPEED_1000) {
  5065. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  5066. bnx2x_cl45_write(bp, phy,
  5067. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  5068. bnx2x_cl45_write(bp, phy,
  5069. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  5070. bnx2x_cl45_read(bp, phy,
  5071. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  5072. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  5073. /*
  5074. * Power down the XAUI until link is up in case of dual-media
  5075. * and 1G
  5076. */
  5077. if (DUAL_MEDIA(params)) {
  5078. bnx2x_cl45_read(bp, phy,
  5079. MDIO_PMA_DEVAD,
  5080. MDIO_PMA_REG_8727_PCS_GP, &val);
  5081. val |= (3<<10);
  5082. bnx2x_cl45_write(bp, phy,
  5083. MDIO_PMA_DEVAD,
  5084. MDIO_PMA_REG_8727_PCS_GP, val);
  5085. }
  5086. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5087. ((phy->speed_cap_mask &
  5088. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  5089. ((phy->speed_cap_mask &
  5090. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  5091. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  5092. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  5093. bnx2x_cl45_write(bp, phy,
  5094. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  5095. bnx2x_cl45_write(bp, phy,
  5096. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5097. } else {
  5098. /*
  5099. * Since the 8727 has only single reset pin, need to set the 10G
  5100. * registers although it is default
  5101. */
  5102. bnx2x_cl45_write(bp, phy,
  5103. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5104. 0x0020);
  5105. bnx2x_cl45_write(bp, phy,
  5106. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5107. bnx2x_cl45_write(bp, phy,
  5108. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5109. bnx2x_cl45_write(bp, phy,
  5110. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5111. 0x0008);
  5112. }
  5113. /*
  5114. * Set 2-wire transfer rate of SFP+ module EEPROM
  5115. * to 100Khz since some DACs(direct attached cables) do
  5116. * not work at 400Khz.
  5117. */
  5118. bnx2x_cl45_write(bp, phy,
  5119. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5120. 0xa001);
  5121. /* Set TX PreEmphasis if needed */
  5122. if ((params->feature_config_flags &
  5123. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5124. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5125. phy->tx_preemphasis[0],
  5126. phy->tx_preemphasis[1]);
  5127. bnx2x_cl45_write(bp, phy,
  5128. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5129. phy->tx_preemphasis[0]);
  5130. bnx2x_cl45_write(bp, phy,
  5131. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5132. phy->tx_preemphasis[1]);
  5133. }
  5134. /*
  5135. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5136. * power mode, if TX Laser is disabled
  5137. */
  5138. tx_en_mode = REG_RD(bp, params->shmem_base +
  5139. offsetof(struct shmem_region,
  5140. dev_info.port_hw_config[params->port].sfp_ctrl))
  5141. & PORT_HW_CFG_TX_LASER_MASK;
  5142. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5143. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5144. bnx2x_cl45_read(bp, phy,
  5145. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5146. tmp2 |= 0x1000;
  5147. tmp2 &= 0xFFEF;
  5148. bnx2x_cl45_write(bp, phy,
  5149. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5150. }
  5151. return 0;
  5152. }
  5153. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5154. struct link_params *params)
  5155. {
  5156. struct bnx2x *bp = params->bp;
  5157. u16 mod_abs, rx_alarm_status;
  5158. u32 val = REG_RD(bp, params->shmem_base +
  5159. offsetof(struct shmem_region, dev_info.
  5160. port_feature_config[params->port].
  5161. config));
  5162. bnx2x_cl45_read(bp, phy,
  5163. MDIO_PMA_DEVAD,
  5164. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5165. if (mod_abs & (1<<8)) {
  5166. /* Module is absent */
  5167. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5168. "show module is absent\n");
  5169. phy->media_type = ETH_PHY_NOT_PRESENT;
  5170. /*
  5171. * 1. Set mod_abs to detect next module
  5172. * presence event
  5173. * 2. Set EDC off by setting OPTXLOS signal input to low
  5174. * (bit 9).
  5175. * When the EDC is off it locks onto a reference clock and
  5176. * avoids becoming 'lost'.
  5177. */
  5178. mod_abs &= ~(1<<8);
  5179. if (!(phy->flags & FLAGS_NOC))
  5180. mod_abs &= ~(1<<9);
  5181. bnx2x_cl45_write(bp, phy,
  5182. MDIO_PMA_DEVAD,
  5183. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5184. /*
  5185. * Clear RX alarm since it stays up as long as
  5186. * the mod_abs wasn't changed
  5187. */
  5188. bnx2x_cl45_read(bp, phy,
  5189. MDIO_PMA_DEVAD,
  5190. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5191. } else {
  5192. /* Module is present */
  5193. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5194. "show module is present\n");
  5195. /*
  5196. * First disable transmitter, and if the module is ok, the
  5197. * module_detection will enable it
  5198. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5199. * 2. Restore the default polarity of the OPRXLOS signal and
  5200. * this signal will then correctly indicate the presence or
  5201. * absence of the Rx signal. (bit 9)
  5202. */
  5203. mod_abs |= (1<<8);
  5204. if (!(phy->flags & FLAGS_NOC))
  5205. mod_abs |= (1<<9);
  5206. bnx2x_cl45_write(bp, phy,
  5207. MDIO_PMA_DEVAD,
  5208. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5209. /*
  5210. * Clear RX alarm since it stays up as long as the mod_abs
  5211. * wasn't changed. This is need to be done before calling the
  5212. * module detection, otherwise it will clear* the link update
  5213. * alarm
  5214. */
  5215. bnx2x_cl45_read(bp, phy,
  5216. MDIO_PMA_DEVAD,
  5217. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5218. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5219. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5220. bnx2x_sfp_set_transmitter(params, phy, 0);
  5221. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5222. bnx2x_sfp_module_detection(phy, params);
  5223. else
  5224. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5225. }
  5226. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5227. rx_alarm_status);
  5228. /* No need to check link status in case of module plugged in/out */
  5229. }
  5230. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5231. struct link_params *params,
  5232. struct link_vars *vars)
  5233. {
  5234. struct bnx2x *bp = params->bp;
  5235. u8 link_up = 0, oc_port = params->port;
  5236. u16 link_status = 0;
  5237. u16 rx_alarm_status, lasi_ctrl, val1;
  5238. /* If PHY is not initialized, do not check link status */
  5239. bnx2x_cl45_read(bp, phy,
  5240. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5241. &lasi_ctrl);
  5242. if (!lasi_ctrl)
  5243. return 0;
  5244. /* Check the LASI on Rx */
  5245. bnx2x_cl45_read(bp, phy,
  5246. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5247. &rx_alarm_status);
  5248. vars->line_speed = 0;
  5249. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5250. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  5251. MDIO_PMA_REG_TX_ALARM_CTRL);
  5252. bnx2x_cl45_read(bp, phy,
  5253. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5254. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5255. /* Clear MSG-OUT */
  5256. bnx2x_cl45_read(bp, phy,
  5257. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5258. /*
  5259. * If a module is present and there is need to check
  5260. * for over current
  5261. */
  5262. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5263. /* Check over-current using 8727 GPIO0 input*/
  5264. bnx2x_cl45_read(bp, phy,
  5265. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5266. &val1);
  5267. if ((val1 & (1<<8)) == 0) {
  5268. if (!CHIP_IS_E1x(bp))
  5269. oc_port = BP_PATH(bp) + (params->port << 1);
  5270. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5271. " on port %d\n", oc_port);
  5272. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5273. " been detected and the power to "
  5274. "that SFP+ module has been removed"
  5275. " to prevent failure of the card."
  5276. " Please remove the SFP+ module and"
  5277. " restart the system to clear this"
  5278. " error.\n",
  5279. oc_port);
  5280. /* Disable all RX_ALARMs except for mod_abs */
  5281. bnx2x_cl45_write(bp, phy,
  5282. MDIO_PMA_DEVAD,
  5283. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5284. bnx2x_cl45_read(bp, phy,
  5285. MDIO_PMA_DEVAD,
  5286. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5287. /* Wait for module_absent_event */
  5288. val1 |= (1<<8);
  5289. bnx2x_cl45_write(bp, phy,
  5290. MDIO_PMA_DEVAD,
  5291. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5292. /* Clear RX alarm */
  5293. bnx2x_cl45_read(bp, phy,
  5294. MDIO_PMA_DEVAD,
  5295. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5296. return 0;
  5297. }
  5298. } /* Over current check */
  5299. /* When module absent bit is set, check module */
  5300. if (rx_alarm_status & (1<<5)) {
  5301. bnx2x_8727_handle_mod_abs(phy, params);
  5302. /* Enable all mod_abs and link detection bits */
  5303. bnx2x_cl45_write(bp, phy,
  5304. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5305. ((1<<5) | (1<<2)));
  5306. }
  5307. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5308. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5309. /* If transmitter is disabled, ignore false link up indication */
  5310. bnx2x_cl45_read(bp, phy,
  5311. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5312. if (val1 & (1<<15)) {
  5313. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5314. return 0;
  5315. }
  5316. bnx2x_cl45_read(bp, phy,
  5317. MDIO_PMA_DEVAD,
  5318. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5319. /*
  5320. * Bits 0..2 --> speed detected,
  5321. * Bits 13..15--> link is down
  5322. */
  5323. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5324. link_up = 1;
  5325. vars->line_speed = SPEED_10000;
  5326. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5327. params->port);
  5328. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5329. link_up = 1;
  5330. vars->line_speed = SPEED_1000;
  5331. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5332. params->port);
  5333. } else {
  5334. link_up = 0;
  5335. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5336. params->port);
  5337. }
  5338. /* Capture 10G link fault. */
  5339. if (vars->line_speed == SPEED_10000) {
  5340. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5341. MDIO_PMA_REG_TX_ALARM, &val1);
  5342. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5343. MDIO_PMA_REG_TX_ALARM, &val1);
  5344. if (val1 & (1<<0)) {
  5345. vars->fault_detected = 1;
  5346. }
  5347. }
  5348. if (link_up) {
  5349. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5350. vars->duplex = DUPLEX_FULL;
  5351. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5352. }
  5353. if ((DUAL_MEDIA(params)) &&
  5354. (phy->req_line_speed == SPEED_1000)) {
  5355. bnx2x_cl45_read(bp, phy,
  5356. MDIO_PMA_DEVAD,
  5357. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5358. /*
  5359. * In case of dual-media board and 1G, power up the XAUI side,
  5360. * otherwise power it down. For 10G it is done automatically
  5361. */
  5362. if (link_up)
  5363. val1 &= ~(3<<10);
  5364. else
  5365. val1 |= (3<<10);
  5366. bnx2x_cl45_write(bp, phy,
  5367. MDIO_PMA_DEVAD,
  5368. MDIO_PMA_REG_8727_PCS_GP, val1);
  5369. }
  5370. return link_up;
  5371. }
  5372. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5373. struct link_params *params)
  5374. {
  5375. struct bnx2x *bp = params->bp;
  5376. /* Disable Transmitter */
  5377. bnx2x_sfp_set_transmitter(params, phy, 0);
  5378. /* Clear LASI */
  5379. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5380. }
  5381. /******************************************************************/
  5382. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5383. /******************************************************************/
  5384. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5385. struct link_params *params)
  5386. {
  5387. u16 val, fw_ver1, fw_ver2, cnt;
  5388. u8 port;
  5389. struct bnx2x *bp = params->bp;
  5390. port = params->port;
  5391. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5392. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5393. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  5394. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5395. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  5396. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  5397. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  5398. for (cnt = 0; cnt < 100; cnt++) {
  5399. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5400. if (val & 1)
  5401. break;
  5402. udelay(5);
  5403. }
  5404. if (cnt == 100) {
  5405. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5406. bnx2x_save_spirom_version(bp, port, 0,
  5407. phy->ver_addr);
  5408. return;
  5409. }
  5410. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5411. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  5412. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5413. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  5414. for (cnt = 0; cnt < 100; cnt++) {
  5415. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5416. if (val & 1)
  5417. break;
  5418. udelay(5);
  5419. }
  5420. if (cnt == 100) {
  5421. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5422. bnx2x_save_spirom_version(bp, port, 0,
  5423. phy->ver_addr);
  5424. return;
  5425. }
  5426. /* lower 16 bits of the register SPI_FW_STATUS */
  5427. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  5428. /* upper 16 bits of register SPI_FW_STATUS */
  5429. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  5430. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  5431. phy->ver_addr);
  5432. }
  5433. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5434. struct bnx2x_phy *phy)
  5435. {
  5436. u16 val;
  5437. /* PHYC_CTL_LED_CTL */
  5438. bnx2x_cl45_read(bp, phy,
  5439. MDIO_PMA_DEVAD,
  5440. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  5441. val &= 0xFE00;
  5442. val |= 0x0092;
  5443. bnx2x_cl45_write(bp, phy,
  5444. MDIO_PMA_DEVAD,
  5445. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  5446. bnx2x_cl45_write(bp, phy,
  5447. MDIO_PMA_DEVAD,
  5448. MDIO_PMA_REG_8481_LED1_MASK,
  5449. 0x80);
  5450. bnx2x_cl45_write(bp, phy,
  5451. MDIO_PMA_DEVAD,
  5452. MDIO_PMA_REG_8481_LED2_MASK,
  5453. 0x18);
  5454. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5455. bnx2x_cl45_write(bp, phy,
  5456. MDIO_PMA_DEVAD,
  5457. MDIO_PMA_REG_8481_LED3_MASK,
  5458. 0x0006);
  5459. /* Select the closest activity blink rate to that in 10/100/1000 */
  5460. bnx2x_cl45_write(bp, phy,
  5461. MDIO_PMA_DEVAD,
  5462. MDIO_PMA_REG_8481_LED3_BLINK,
  5463. 0);
  5464. bnx2x_cl45_read(bp, phy,
  5465. MDIO_PMA_DEVAD,
  5466. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  5467. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5468. bnx2x_cl45_write(bp, phy,
  5469. MDIO_PMA_DEVAD,
  5470. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  5471. /* 'Interrupt Mask' */
  5472. bnx2x_cl45_write(bp, phy,
  5473. MDIO_AN_DEVAD,
  5474. 0xFFFB, 0xFFFD);
  5475. }
  5476. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5477. struct link_params *params,
  5478. struct link_vars *vars)
  5479. {
  5480. struct bnx2x *bp = params->bp;
  5481. u16 autoneg_val, an_1000_val, an_10_100_val;
  5482. u16 tmp_req_line_speed;
  5483. tmp_req_line_speed = phy->req_line_speed;
  5484. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5485. if (phy->req_line_speed == SPEED_10000)
  5486. phy->req_line_speed = SPEED_AUTO_NEG;
  5487. /*
  5488. * This phy uses the NIG latch mechanism since link indication
  5489. * arrives through its LED4 and not via its LASI signal, so we
  5490. * get steady signal instead of clear on read
  5491. */
  5492. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5493. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5494. bnx2x_cl45_write(bp, phy,
  5495. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5496. bnx2x_848xx_set_led(bp, phy);
  5497. /* set 1000 speed advertisement */
  5498. bnx2x_cl45_read(bp, phy,
  5499. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5500. &an_1000_val);
  5501. bnx2x_ext_phy_set_pause(params, phy, vars);
  5502. bnx2x_cl45_read(bp, phy,
  5503. MDIO_AN_DEVAD,
  5504. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5505. &an_10_100_val);
  5506. bnx2x_cl45_read(bp, phy,
  5507. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5508. &autoneg_val);
  5509. /* Disable forced speed */
  5510. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5511. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5512. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5513. (phy->speed_cap_mask &
  5514. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5515. (phy->req_line_speed == SPEED_1000)) {
  5516. an_1000_val |= (1<<8);
  5517. autoneg_val |= (1<<9 | 1<<12);
  5518. if (phy->req_duplex == DUPLEX_FULL)
  5519. an_1000_val |= (1<<9);
  5520. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5521. } else
  5522. an_1000_val &= ~((1<<8) | (1<<9));
  5523. bnx2x_cl45_write(bp, phy,
  5524. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5525. an_1000_val);
  5526. /* set 10 speed advertisement */
  5527. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5528. (phy->speed_cap_mask &
  5529. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5530. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5531. an_10_100_val |= (1<<7);
  5532. /* Enable autoneg and restart autoneg for legacy speeds */
  5533. autoneg_val |= (1<<9 | 1<<12);
  5534. if (phy->req_duplex == DUPLEX_FULL)
  5535. an_10_100_val |= (1<<8);
  5536. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5537. }
  5538. /* set 10 speed advertisement */
  5539. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5540. (phy->speed_cap_mask &
  5541. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5542. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5543. an_10_100_val |= (1<<5);
  5544. autoneg_val |= (1<<9 | 1<<12);
  5545. if (phy->req_duplex == DUPLEX_FULL)
  5546. an_10_100_val |= (1<<6);
  5547. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5548. }
  5549. /* Only 10/100 are allowed to work in FORCE mode */
  5550. if (phy->req_line_speed == SPEED_100) {
  5551. autoneg_val |= (1<<13);
  5552. /* Enabled AUTO-MDIX when autoneg is disabled */
  5553. bnx2x_cl45_write(bp, phy,
  5554. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5555. (1<<15 | 1<<9 | 7<<0));
  5556. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5557. }
  5558. if (phy->req_line_speed == SPEED_10) {
  5559. /* Enabled AUTO-MDIX when autoneg is disabled */
  5560. bnx2x_cl45_write(bp, phy,
  5561. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5562. (1<<15 | 1<<9 | 7<<0));
  5563. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5564. }
  5565. bnx2x_cl45_write(bp, phy,
  5566. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5567. an_10_100_val);
  5568. if (phy->req_duplex == DUPLEX_FULL)
  5569. autoneg_val |= (1<<8);
  5570. bnx2x_cl45_write(bp, phy,
  5571. MDIO_AN_DEVAD,
  5572. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5573. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5574. (phy->speed_cap_mask &
  5575. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5576. (phy->req_line_speed == SPEED_10000)) {
  5577. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5578. /* Restart autoneg for 10G*/
  5579. bnx2x_cl45_write(bp, phy,
  5580. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5581. 0x3200);
  5582. } else if (phy->req_line_speed != SPEED_10 &&
  5583. phy->req_line_speed != SPEED_100) {
  5584. bnx2x_cl45_write(bp, phy,
  5585. MDIO_AN_DEVAD,
  5586. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5587. 1);
  5588. }
  5589. /* Save spirom version */
  5590. bnx2x_save_848xx_spirom_version(phy, params);
  5591. phy->req_line_speed = tmp_req_line_speed;
  5592. return 0;
  5593. }
  5594. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5595. struct link_params *params,
  5596. struct link_vars *vars)
  5597. {
  5598. struct bnx2x *bp = params->bp;
  5599. /* Restore normal power mode*/
  5600. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5601. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5602. /* HW reset */
  5603. bnx2x_ext_phy_hw_reset(bp, params->port);
  5604. bnx2x_wait_reset_complete(bp, phy, params);
  5605. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5606. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5607. }
  5608. #define PHY84833_HDSHK_WAIT 300
  5609. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  5610. struct link_params *params,
  5611. struct link_vars *vars)
  5612. {
  5613. u32 idx;
  5614. u16 val;
  5615. u16 data = 0x01b1;
  5616. struct bnx2x *bp = params->bp;
  5617. /* Do pair swap */
  5618. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  5619. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5620. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5621. PHY84833_CMD_OPEN_OVERRIDE);
  5622. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5623. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5624. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5625. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  5626. break;
  5627. msleep(1);
  5628. }
  5629. if (idx >= PHY84833_HDSHK_WAIT) {
  5630. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  5631. return -EINVAL;
  5632. }
  5633. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5634. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  5635. data);
  5636. /* Issue pair swap command */
  5637. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5638. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  5639. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  5640. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5641. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5642. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5643. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  5644. (val == PHY84833_CMD_COMPLETE_ERROR))
  5645. break;
  5646. msleep(1);
  5647. }
  5648. if ((idx >= PHY84833_HDSHK_WAIT) ||
  5649. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  5650. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  5651. return -EINVAL;
  5652. }
  5653. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5654. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5655. PHY84833_CMD_CLEAR_COMPLETE);
  5656. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  5657. return 0;
  5658. }
  5659. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5660. struct link_params *params,
  5661. struct link_vars *vars)
  5662. {
  5663. struct bnx2x *bp = params->bp;
  5664. u8 port, initialize = 1;
  5665. u16 val;
  5666. u16 temp;
  5667. u32 actual_phy_selection, cms_enable;
  5668. int rc = 0;
  5669. msleep(1);
  5670. if (!(CHIP_IS_E1(bp)))
  5671. port = BP_PATH(bp);
  5672. else
  5673. port = params->port;
  5674. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5675. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5676. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5677. port);
  5678. } else {
  5679. bnx2x_cl45_write(bp, phy,
  5680. MDIO_PMA_DEVAD,
  5681. MDIO_PMA_REG_CTRL, 0x8000);
  5682. }
  5683. bnx2x_wait_reset_complete(bp, phy, params);
  5684. /* Wait for GPHY to come out of reset */
  5685. msleep(50);
  5686. /* Bring PHY out of super isolate mode */
  5687. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  5688. bnx2x_cl45_read(bp, phy,
  5689. MDIO_CTL_DEVAD,
  5690. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  5691. val &= ~MDIO_84833_SUPER_ISOLATE;
  5692. bnx2x_cl45_write(bp, phy,
  5693. MDIO_CTL_DEVAD,
  5694. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  5695. bnx2x_wait_reset_complete(bp, phy, params);
  5696. }
  5697. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5698. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  5699. /*
  5700. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5701. */
  5702. temp = vars->line_speed;
  5703. vars->line_speed = SPEED_10000;
  5704. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5705. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5706. vars->line_speed = temp;
  5707. /* Set dual-media configuration according to configuration */
  5708. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5709. MDIO_CTL_REG_84823_MEDIA, &val);
  5710. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5711. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5712. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5713. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5714. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5715. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5716. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5717. actual_phy_selection = bnx2x_phy_selection(params);
  5718. switch (actual_phy_selection) {
  5719. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5720. /* Do nothing. Essentially this is like the priority copper */
  5721. break;
  5722. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5723. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5724. break;
  5725. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5726. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5727. break;
  5728. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5729. /* Do nothing here. The first PHY won't be initialized at all */
  5730. break;
  5731. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5732. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5733. initialize = 0;
  5734. break;
  5735. }
  5736. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5737. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5738. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5739. MDIO_CTL_REG_84823_MEDIA, val);
  5740. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5741. params->multi_phy_config, val);
  5742. if (initialize)
  5743. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5744. else
  5745. bnx2x_save_848xx_spirom_version(phy, params);
  5746. cms_enable = REG_RD(bp, params->shmem_base +
  5747. offsetof(struct shmem_region,
  5748. dev_info.port_hw_config[params->port].default_cfg)) &
  5749. PORT_HW_CFG_ENABLE_CMS_MASK;
  5750. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5751. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5752. if (cms_enable)
  5753. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5754. else
  5755. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5756. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5757. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5758. return rc;
  5759. }
  5760. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5761. struct link_params *params,
  5762. struct link_vars *vars)
  5763. {
  5764. struct bnx2x *bp = params->bp;
  5765. u16 val, val1, val2;
  5766. u8 link_up = 0;
  5767. /* Check 10G-BaseT link status */
  5768. /* Check PMD signal ok */
  5769. bnx2x_cl45_read(bp, phy,
  5770. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5771. bnx2x_cl45_read(bp, phy,
  5772. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  5773. &val2);
  5774. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5775. /* Check link 10G */
  5776. if (val2 & (1<<11)) {
  5777. vars->line_speed = SPEED_10000;
  5778. vars->duplex = DUPLEX_FULL;
  5779. link_up = 1;
  5780. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5781. } else { /* Check Legacy speed link */
  5782. u16 legacy_status, legacy_speed;
  5783. /* Enable expansion register 0x42 (Operation mode status) */
  5784. bnx2x_cl45_write(bp, phy,
  5785. MDIO_AN_DEVAD,
  5786. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5787. /* Get legacy speed operation status */
  5788. bnx2x_cl45_read(bp, phy,
  5789. MDIO_AN_DEVAD,
  5790. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5791. &legacy_status);
  5792. DP(NETIF_MSG_LINK, "Legacy speed status"
  5793. " = 0x%x\n", legacy_status);
  5794. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5795. if (link_up) {
  5796. legacy_speed = (legacy_status & (3<<9));
  5797. if (legacy_speed == (0<<9))
  5798. vars->line_speed = SPEED_10;
  5799. else if (legacy_speed == (1<<9))
  5800. vars->line_speed = SPEED_100;
  5801. else if (legacy_speed == (2<<9))
  5802. vars->line_speed = SPEED_1000;
  5803. else /* Should not happen */
  5804. vars->line_speed = 0;
  5805. if (legacy_status & (1<<8))
  5806. vars->duplex = DUPLEX_FULL;
  5807. else
  5808. vars->duplex = DUPLEX_HALF;
  5809. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5810. " is_duplex_full= %d\n", vars->line_speed,
  5811. (vars->duplex == DUPLEX_FULL));
  5812. /* Check legacy speed AN resolution */
  5813. bnx2x_cl45_read(bp, phy,
  5814. MDIO_AN_DEVAD,
  5815. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5816. &val);
  5817. if (val & (1<<5))
  5818. vars->link_status |=
  5819. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5820. bnx2x_cl45_read(bp, phy,
  5821. MDIO_AN_DEVAD,
  5822. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5823. &val);
  5824. if ((val & (1<<0)) == 0)
  5825. vars->link_status |=
  5826. LINK_STATUS_PARALLEL_DETECTION_USED;
  5827. }
  5828. }
  5829. if (link_up) {
  5830. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5831. vars->line_speed);
  5832. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5833. }
  5834. return link_up;
  5835. }
  5836. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5837. {
  5838. int status = 0;
  5839. u32 spirom_ver;
  5840. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5841. status = bnx2x_format_ver(spirom_ver, str, len);
  5842. return status;
  5843. }
  5844. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5845. struct link_params *params)
  5846. {
  5847. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5848. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5849. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5850. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5851. }
  5852. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5853. struct link_params *params)
  5854. {
  5855. bnx2x_cl45_write(params->bp, phy,
  5856. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5857. bnx2x_cl45_write(params->bp, phy,
  5858. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5859. }
  5860. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5861. struct link_params *params)
  5862. {
  5863. struct bnx2x *bp = params->bp;
  5864. u8 port;
  5865. if (!(CHIP_IS_E1(bp)))
  5866. port = BP_PATH(bp);
  5867. else
  5868. port = params->port;
  5869. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5870. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5871. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5872. port);
  5873. } else {
  5874. bnx2x_cl45_write(bp, phy,
  5875. MDIO_PMA_DEVAD,
  5876. MDIO_PMA_REG_CTRL, 0x800);
  5877. }
  5878. }
  5879. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5880. struct link_params *params, u8 mode)
  5881. {
  5882. struct bnx2x *bp = params->bp;
  5883. u16 val;
  5884. u8 port;
  5885. if (!(CHIP_IS_E1(bp)))
  5886. port = BP_PATH(bp);
  5887. else
  5888. port = params->port;
  5889. switch (mode) {
  5890. case LED_MODE_OFF:
  5891. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  5892. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5893. SHARED_HW_CFG_LED_EXTPHY1) {
  5894. /* Set LED masks */
  5895. bnx2x_cl45_write(bp, phy,
  5896. MDIO_PMA_DEVAD,
  5897. MDIO_PMA_REG_8481_LED1_MASK,
  5898. 0x0);
  5899. bnx2x_cl45_write(bp, phy,
  5900. MDIO_PMA_DEVAD,
  5901. MDIO_PMA_REG_8481_LED2_MASK,
  5902. 0x0);
  5903. bnx2x_cl45_write(bp, phy,
  5904. MDIO_PMA_DEVAD,
  5905. MDIO_PMA_REG_8481_LED3_MASK,
  5906. 0x0);
  5907. bnx2x_cl45_write(bp, phy,
  5908. MDIO_PMA_DEVAD,
  5909. MDIO_PMA_REG_8481_LED5_MASK,
  5910. 0x0);
  5911. } else {
  5912. bnx2x_cl45_write(bp, phy,
  5913. MDIO_PMA_DEVAD,
  5914. MDIO_PMA_REG_8481_LED1_MASK,
  5915. 0x0);
  5916. }
  5917. break;
  5918. case LED_MODE_FRONT_PANEL_OFF:
  5919. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5920. port);
  5921. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5922. SHARED_HW_CFG_LED_EXTPHY1) {
  5923. /* Set LED masks */
  5924. bnx2x_cl45_write(bp, phy,
  5925. MDIO_PMA_DEVAD,
  5926. MDIO_PMA_REG_8481_LED1_MASK,
  5927. 0x0);
  5928. bnx2x_cl45_write(bp, phy,
  5929. MDIO_PMA_DEVAD,
  5930. MDIO_PMA_REG_8481_LED2_MASK,
  5931. 0x0);
  5932. bnx2x_cl45_write(bp, phy,
  5933. MDIO_PMA_DEVAD,
  5934. MDIO_PMA_REG_8481_LED3_MASK,
  5935. 0x0);
  5936. bnx2x_cl45_write(bp, phy,
  5937. MDIO_PMA_DEVAD,
  5938. MDIO_PMA_REG_8481_LED5_MASK,
  5939. 0x20);
  5940. } else {
  5941. bnx2x_cl45_write(bp, phy,
  5942. MDIO_PMA_DEVAD,
  5943. MDIO_PMA_REG_8481_LED1_MASK,
  5944. 0x0);
  5945. }
  5946. break;
  5947. case LED_MODE_ON:
  5948. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  5949. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5950. SHARED_HW_CFG_LED_EXTPHY1) {
  5951. /* Set control reg */
  5952. bnx2x_cl45_read(bp, phy,
  5953. MDIO_PMA_DEVAD,
  5954. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5955. &val);
  5956. val &= 0x8000;
  5957. val |= 0x2492;
  5958. bnx2x_cl45_write(bp, phy,
  5959. MDIO_PMA_DEVAD,
  5960. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5961. val);
  5962. /* Set LED masks */
  5963. bnx2x_cl45_write(bp, phy,
  5964. MDIO_PMA_DEVAD,
  5965. MDIO_PMA_REG_8481_LED1_MASK,
  5966. 0x0);
  5967. bnx2x_cl45_write(bp, phy,
  5968. MDIO_PMA_DEVAD,
  5969. MDIO_PMA_REG_8481_LED2_MASK,
  5970. 0x20);
  5971. bnx2x_cl45_write(bp, phy,
  5972. MDIO_PMA_DEVAD,
  5973. MDIO_PMA_REG_8481_LED3_MASK,
  5974. 0x20);
  5975. bnx2x_cl45_write(bp, phy,
  5976. MDIO_PMA_DEVAD,
  5977. MDIO_PMA_REG_8481_LED5_MASK,
  5978. 0x0);
  5979. } else {
  5980. bnx2x_cl45_write(bp, phy,
  5981. MDIO_PMA_DEVAD,
  5982. MDIO_PMA_REG_8481_LED1_MASK,
  5983. 0x20);
  5984. }
  5985. break;
  5986. case LED_MODE_OPER:
  5987. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  5988. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5989. SHARED_HW_CFG_LED_EXTPHY1) {
  5990. /* Set control reg */
  5991. bnx2x_cl45_read(bp, phy,
  5992. MDIO_PMA_DEVAD,
  5993. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5994. &val);
  5995. if (!((val &
  5996. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5997. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5998. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5999. bnx2x_cl45_write(bp, phy,
  6000. MDIO_PMA_DEVAD,
  6001. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6002. 0xa492);
  6003. }
  6004. /* Set LED masks */
  6005. bnx2x_cl45_write(bp, phy,
  6006. MDIO_PMA_DEVAD,
  6007. MDIO_PMA_REG_8481_LED1_MASK,
  6008. 0x10);
  6009. bnx2x_cl45_write(bp, phy,
  6010. MDIO_PMA_DEVAD,
  6011. MDIO_PMA_REG_8481_LED2_MASK,
  6012. 0x80);
  6013. bnx2x_cl45_write(bp, phy,
  6014. MDIO_PMA_DEVAD,
  6015. MDIO_PMA_REG_8481_LED3_MASK,
  6016. 0x98);
  6017. bnx2x_cl45_write(bp, phy,
  6018. MDIO_PMA_DEVAD,
  6019. MDIO_PMA_REG_8481_LED5_MASK,
  6020. 0x40);
  6021. } else {
  6022. bnx2x_cl45_write(bp, phy,
  6023. MDIO_PMA_DEVAD,
  6024. MDIO_PMA_REG_8481_LED1_MASK,
  6025. 0x80);
  6026. /* Tell LED3 to blink on source */
  6027. bnx2x_cl45_read(bp, phy,
  6028. MDIO_PMA_DEVAD,
  6029. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6030. &val);
  6031. val &= ~(7<<6);
  6032. val |= (1<<6); /* A83B[8:6]= 1 */
  6033. bnx2x_cl45_write(bp, phy,
  6034. MDIO_PMA_DEVAD,
  6035. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6036. val);
  6037. }
  6038. break;
  6039. }
  6040. }
  6041. /******************************************************************/
  6042. /* SFX7101 PHY SECTION */
  6043. /******************************************************************/
  6044. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  6045. struct link_params *params)
  6046. {
  6047. struct bnx2x *bp = params->bp;
  6048. /* SFX7101_XGXS_TEST1 */
  6049. bnx2x_cl45_write(bp, phy,
  6050. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  6051. }
  6052. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  6053. struct link_params *params,
  6054. struct link_vars *vars)
  6055. {
  6056. u16 fw_ver1, fw_ver2, val;
  6057. struct bnx2x *bp = params->bp;
  6058. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  6059. /* Restore normal power mode*/
  6060. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6061. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6062. /* HW reset */
  6063. bnx2x_ext_phy_hw_reset(bp, params->port);
  6064. bnx2x_wait_reset_complete(bp, phy, params);
  6065. bnx2x_cl45_write(bp, phy,
  6066. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  6067. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  6068. bnx2x_cl45_write(bp, phy,
  6069. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  6070. bnx2x_ext_phy_set_pause(params, phy, vars);
  6071. /* Restart autoneg */
  6072. bnx2x_cl45_read(bp, phy,
  6073. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  6074. val |= 0x200;
  6075. bnx2x_cl45_write(bp, phy,
  6076. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  6077. /* Save spirom version */
  6078. bnx2x_cl45_read(bp, phy,
  6079. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  6080. bnx2x_cl45_read(bp, phy,
  6081. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  6082. bnx2x_save_spirom_version(bp, params->port,
  6083. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  6084. return 0;
  6085. }
  6086. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  6087. struct link_params *params,
  6088. struct link_vars *vars)
  6089. {
  6090. struct bnx2x *bp = params->bp;
  6091. u8 link_up;
  6092. u16 val1, val2;
  6093. bnx2x_cl45_read(bp, phy,
  6094. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  6095. bnx2x_cl45_read(bp, phy,
  6096. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  6097. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  6098. val2, val1);
  6099. bnx2x_cl45_read(bp, phy,
  6100. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6101. bnx2x_cl45_read(bp, phy,
  6102. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6103. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  6104. val2, val1);
  6105. link_up = ((val1 & 4) == 4);
  6106. /* if link is up print the AN outcome of the SFX7101 PHY */
  6107. if (link_up) {
  6108. bnx2x_cl45_read(bp, phy,
  6109. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  6110. &val2);
  6111. vars->line_speed = SPEED_10000;
  6112. vars->duplex = DUPLEX_FULL;
  6113. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  6114. val2, (val2 & (1<<14)));
  6115. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6116. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6117. }
  6118. return link_up;
  6119. }
  6120. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  6121. {
  6122. if (*len < 5)
  6123. return -EINVAL;
  6124. str[0] = (spirom_ver & 0xFF);
  6125. str[1] = (spirom_ver & 0xFF00) >> 8;
  6126. str[2] = (spirom_ver & 0xFF0000) >> 16;
  6127. str[3] = (spirom_ver & 0xFF000000) >> 24;
  6128. str[4] = '\0';
  6129. *len -= 5;
  6130. return 0;
  6131. }
  6132. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  6133. {
  6134. u16 val, cnt;
  6135. bnx2x_cl45_read(bp, phy,
  6136. MDIO_PMA_DEVAD,
  6137. MDIO_PMA_REG_7101_RESET, &val);
  6138. for (cnt = 0; cnt < 10; cnt++) {
  6139. msleep(50);
  6140. /* Writes a self-clearing reset */
  6141. bnx2x_cl45_write(bp, phy,
  6142. MDIO_PMA_DEVAD,
  6143. MDIO_PMA_REG_7101_RESET,
  6144. (val | (1<<15)));
  6145. /* Wait for clear */
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_PMA_DEVAD,
  6148. MDIO_PMA_REG_7101_RESET, &val);
  6149. if ((val & (1<<15)) == 0)
  6150. break;
  6151. }
  6152. }
  6153. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  6154. struct link_params *params) {
  6155. /* Low power mode is controlled by GPIO 2 */
  6156. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  6157. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6158. /* The PHY reset is controlled by GPIO 1 */
  6159. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  6160. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6161. }
  6162. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  6163. struct link_params *params, u8 mode)
  6164. {
  6165. u16 val = 0;
  6166. struct bnx2x *bp = params->bp;
  6167. switch (mode) {
  6168. case LED_MODE_FRONT_PANEL_OFF:
  6169. case LED_MODE_OFF:
  6170. val = 2;
  6171. break;
  6172. case LED_MODE_ON:
  6173. val = 1;
  6174. break;
  6175. case LED_MODE_OPER:
  6176. val = 0;
  6177. break;
  6178. }
  6179. bnx2x_cl45_write(bp, phy,
  6180. MDIO_PMA_DEVAD,
  6181. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  6182. val);
  6183. }
  6184. /******************************************************************/
  6185. /* STATIC PHY DECLARATION */
  6186. /******************************************************************/
  6187. static struct bnx2x_phy phy_null = {
  6188. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6189. .addr = 0,
  6190. .def_md_devad = 0,
  6191. .flags = FLAGS_INIT_XGXS_FIRST,
  6192. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6193. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6194. .mdio_ctrl = 0,
  6195. .supported = 0,
  6196. .media_type = ETH_PHY_NOT_PRESENT,
  6197. .ver_addr = 0,
  6198. .req_flow_ctrl = 0,
  6199. .req_line_speed = 0,
  6200. .speed_cap_mask = 0,
  6201. .req_duplex = 0,
  6202. .rsrv = 0,
  6203. .config_init = (config_init_t)NULL,
  6204. .read_status = (read_status_t)NULL,
  6205. .link_reset = (link_reset_t)NULL,
  6206. .config_loopback = (config_loopback_t)NULL,
  6207. .format_fw_ver = (format_fw_ver_t)NULL,
  6208. .hw_reset = (hw_reset_t)NULL,
  6209. .set_link_led = (set_link_led_t)NULL,
  6210. .phy_specific_func = (phy_specific_func_t)NULL
  6211. };
  6212. static struct bnx2x_phy phy_serdes = {
  6213. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6214. .addr = 0xff,
  6215. .def_md_devad = 0,
  6216. .flags = 0,
  6217. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6218. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6219. .mdio_ctrl = 0,
  6220. .supported = (SUPPORTED_10baseT_Half |
  6221. SUPPORTED_10baseT_Full |
  6222. SUPPORTED_100baseT_Half |
  6223. SUPPORTED_100baseT_Full |
  6224. SUPPORTED_1000baseT_Full |
  6225. SUPPORTED_2500baseX_Full |
  6226. SUPPORTED_TP |
  6227. SUPPORTED_Autoneg |
  6228. SUPPORTED_Pause |
  6229. SUPPORTED_Asym_Pause),
  6230. .media_type = ETH_PHY_BASE_T,
  6231. .ver_addr = 0,
  6232. .req_flow_ctrl = 0,
  6233. .req_line_speed = 0,
  6234. .speed_cap_mask = 0,
  6235. .req_duplex = 0,
  6236. .rsrv = 0,
  6237. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6238. .read_status = (read_status_t)bnx2x_link_settings_status,
  6239. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6240. .config_loopback = (config_loopback_t)NULL,
  6241. .format_fw_ver = (format_fw_ver_t)NULL,
  6242. .hw_reset = (hw_reset_t)NULL,
  6243. .set_link_led = (set_link_led_t)NULL,
  6244. .phy_specific_func = (phy_specific_func_t)NULL
  6245. };
  6246. static struct bnx2x_phy phy_xgxs = {
  6247. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6248. .addr = 0xff,
  6249. .def_md_devad = 0,
  6250. .flags = 0,
  6251. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6252. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6253. .mdio_ctrl = 0,
  6254. .supported = (SUPPORTED_10baseT_Half |
  6255. SUPPORTED_10baseT_Full |
  6256. SUPPORTED_100baseT_Half |
  6257. SUPPORTED_100baseT_Full |
  6258. SUPPORTED_1000baseT_Full |
  6259. SUPPORTED_2500baseX_Full |
  6260. SUPPORTED_10000baseT_Full |
  6261. SUPPORTED_FIBRE |
  6262. SUPPORTED_Autoneg |
  6263. SUPPORTED_Pause |
  6264. SUPPORTED_Asym_Pause),
  6265. .media_type = ETH_PHY_CX4,
  6266. .ver_addr = 0,
  6267. .req_flow_ctrl = 0,
  6268. .req_line_speed = 0,
  6269. .speed_cap_mask = 0,
  6270. .req_duplex = 0,
  6271. .rsrv = 0,
  6272. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6273. .read_status = (read_status_t)bnx2x_link_settings_status,
  6274. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6275. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6276. .format_fw_ver = (format_fw_ver_t)NULL,
  6277. .hw_reset = (hw_reset_t)NULL,
  6278. .set_link_led = (set_link_led_t)NULL,
  6279. .phy_specific_func = (phy_specific_func_t)NULL
  6280. };
  6281. static struct bnx2x_phy phy_7101 = {
  6282. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6283. .addr = 0xff,
  6284. .def_md_devad = 0,
  6285. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6286. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6287. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6288. .mdio_ctrl = 0,
  6289. .supported = (SUPPORTED_10000baseT_Full |
  6290. SUPPORTED_TP |
  6291. SUPPORTED_Autoneg |
  6292. SUPPORTED_Pause |
  6293. SUPPORTED_Asym_Pause),
  6294. .media_type = ETH_PHY_BASE_T,
  6295. .ver_addr = 0,
  6296. .req_flow_ctrl = 0,
  6297. .req_line_speed = 0,
  6298. .speed_cap_mask = 0,
  6299. .req_duplex = 0,
  6300. .rsrv = 0,
  6301. .config_init = (config_init_t)bnx2x_7101_config_init,
  6302. .read_status = (read_status_t)bnx2x_7101_read_status,
  6303. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6304. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6305. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6306. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6307. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6308. .phy_specific_func = (phy_specific_func_t)NULL
  6309. };
  6310. static struct bnx2x_phy phy_8073 = {
  6311. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6312. .addr = 0xff,
  6313. .def_md_devad = 0,
  6314. .flags = FLAGS_HW_LOCK_REQUIRED,
  6315. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6316. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6317. .mdio_ctrl = 0,
  6318. .supported = (SUPPORTED_10000baseT_Full |
  6319. SUPPORTED_2500baseX_Full |
  6320. SUPPORTED_1000baseT_Full |
  6321. SUPPORTED_FIBRE |
  6322. SUPPORTED_Autoneg |
  6323. SUPPORTED_Pause |
  6324. SUPPORTED_Asym_Pause),
  6325. .media_type = ETH_PHY_KR,
  6326. .ver_addr = 0,
  6327. .req_flow_ctrl = 0,
  6328. .req_line_speed = 0,
  6329. .speed_cap_mask = 0,
  6330. .req_duplex = 0,
  6331. .rsrv = 0,
  6332. .config_init = (config_init_t)bnx2x_8073_config_init,
  6333. .read_status = (read_status_t)bnx2x_8073_read_status,
  6334. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6335. .config_loopback = (config_loopback_t)NULL,
  6336. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6337. .hw_reset = (hw_reset_t)NULL,
  6338. .set_link_led = (set_link_led_t)NULL,
  6339. .phy_specific_func = (phy_specific_func_t)NULL
  6340. };
  6341. static struct bnx2x_phy phy_8705 = {
  6342. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6343. .addr = 0xff,
  6344. .def_md_devad = 0,
  6345. .flags = FLAGS_INIT_XGXS_FIRST,
  6346. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6347. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6348. .mdio_ctrl = 0,
  6349. .supported = (SUPPORTED_10000baseT_Full |
  6350. SUPPORTED_FIBRE |
  6351. SUPPORTED_Pause |
  6352. SUPPORTED_Asym_Pause),
  6353. .media_type = ETH_PHY_XFP_FIBER,
  6354. .ver_addr = 0,
  6355. .req_flow_ctrl = 0,
  6356. .req_line_speed = 0,
  6357. .speed_cap_mask = 0,
  6358. .req_duplex = 0,
  6359. .rsrv = 0,
  6360. .config_init = (config_init_t)bnx2x_8705_config_init,
  6361. .read_status = (read_status_t)bnx2x_8705_read_status,
  6362. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6363. .config_loopback = (config_loopback_t)NULL,
  6364. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6365. .hw_reset = (hw_reset_t)NULL,
  6366. .set_link_led = (set_link_led_t)NULL,
  6367. .phy_specific_func = (phy_specific_func_t)NULL
  6368. };
  6369. static struct bnx2x_phy phy_8706 = {
  6370. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6371. .addr = 0xff,
  6372. .def_md_devad = 0,
  6373. .flags = FLAGS_INIT_XGXS_FIRST,
  6374. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6375. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6376. .mdio_ctrl = 0,
  6377. .supported = (SUPPORTED_10000baseT_Full |
  6378. SUPPORTED_1000baseT_Full |
  6379. SUPPORTED_FIBRE |
  6380. SUPPORTED_Pause |
  6381. SUPPORTED_Asym_Pause),
  6382. .media_type = ETH_PHY_SFP_FIBER,
  6383. .ver_addr = 0,
  6384. .req_flow_ctrl = 0,
  6385. .req_line_speed = 0,
  6386. .speed_cap_mask = 0,
  6387. .req_duplex = 0,
  6388. .rsrv = 0,
  6389. .config_init = (config_init_t)bnx2x_8706_config_init,
  6390. .read_status = (read_status_t)bnx2x_8706_read_status,
  6391. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6392. .config_loopback = (config_loopback_t)NULL,
  6393. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6394. .hw_reset = (hw_reset_t)NULL,
  6395. .set_link_led = (set_link_led_t)NULL,
  6396. .phy_specific_func = (phy_specific_func_t)NULL
  6397. };
  6398. static struct bnx2x_phy phy_8726 = {
  6399. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6400. .addr = 0xff,
  6401. .def_md_devad = 0,
  6402. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6403. FLAGS_INIT_XGXS_FIRST),
  6404. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6405. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6406. .mdio_ctrl = 0,
  6407. .supported = (SUPPORTED_10000baseT_Full |
  6408. SUPPORTED_1000baseT_Full |
  6409. SUPPORTED_Autoneg |
  6410. SUPPORTED_FIBRE |
  6411. SUPPORTED_Pause |
  6412. SUPPORTED_Asym_Pause),
  6413. .media_type = ETH_PHY_NOT_PRESENT,
  6414. .ver_addr = 0,
  6415. .req_flow_ctrl = 0,
  6416. .req_line_speed = 0,
  6417. .speed_cap_mask = 0,
  6418. .req_duplex = 0,
  6419. .rsrv = 0,
  6420. .config_init = (config_init_t)bnx2x_8726_config_init,
  6421. .read_status = (read_status_t)bnx2x_8726_read_status,
  6422. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6423. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6424. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6425. .hw_reset = (hw_reset_t)NULL,
  6426. .set_link_led = (set_link_led_t)NULL,
  6427. .phy_specific_func = (phy_specific_func_t)NULL
  6428. };
  6429. static struct bnx2x_phy phy_8727 = {
  6430. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6431. .addr = 0xff,
  6432. .def_md_devad = 0,
  6433. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6434. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6435. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6436. .mdio_ctrl = 0,
  6437. .supported = (SUPPORTED_10000baseT_Full |
  6438. SUPPORTED_1000baseT_Full |
  6439. SUPPORTED_FIBRE |
  6440. SUPPORTED_Pause |
  6441. SUPPORTED_Asym_Pause),
  6442. .media_type = ETH_PHY_NOT_PRESENT,
  6443. .ver_addr = 0,
  6444. .req_flow_ctrl = 0,
  6445. .req_line_speed = 0,
  6446. .speed_cap_mask = 0,
  6447. .req_duplex = 0,
  6448. .rsrv = 0,
  6449. .config_init = (config_init_t)bnx2x_8727_config_init,
  6450. .read_status = (read_status_t)bnx2x_8727_read_status,
  6451. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6452. .config_loopback = (config_loopback_t)NULL,
  6453. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6454. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6455. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6456. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6457. };
  6458. static struct bnx2x_phy phy_8481 = {
  6459. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6460. .addr = 0xff,
  6461. .def_md_devad = 0,
  6462. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6463. FLAGS_REARM_LATCH_SIGNAL,
  6464. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6465. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6466. .mdio_ctrl = 0,
  6467. .supported = (SUPPORTED_10baseT_Half |
  6468. SUPPORTED_10baseT_Full |
  6469. SUPPORTED_100baseT_Half |
  6470. SUPPORTED_100baseT_Full |
  6471. SUPPORTED_1000baseT_Full |
  6472. SUPPORTED_10000baseT_Full |
  6473. SUPPORTED_TP |
  6474. SUPPORTED_Autoneg |
  6475. SUPPORTED_Pause |
  6476. SUPPORTED_Asym_Pause),
  6477. .media_type = ETH_PHY_BASE_T,
  6478. .ver_addr = 0,
  6479. .req_flow_ctrl = 0,
  6480. .req_line_speed = 0,
  6481. .speed_cap_mask = 0,
  6482. .req_duplex = 0,
  6483. .rsrv = 0,
  6484. .config_init = (config_init_t)bnx2x_8481_config_init,
  6485. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6486. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6487. .config_loopback = (config_loopback_t)NULL,
  6488. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6489. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6490. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6491. .phy_specific_func = (phy_specific_func_t)NULL
  6492. };
  6493. static struct bnx2x_phy phy_84823 = {
  6494. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6495. .addr = 0xff,
  6496. .def_md_devad = 0,
  6497. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6498. FLAGS_REARM_LATCH_SIGNAL,
  6499. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6500. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6501. .mdio_ctrl = 0,
  6502. .supported = (SUPPORTED_10baseT_Half |
  6503. SUPPORTED_10baseT_Full |
  6504. SUPPORTED_100baseT_Half |
  6505. SUPPORTED_100baseT_Full |
  6506. SUPPORTED_1000baseT_Full |
  6507. SUPPORTED_10000baseT_Full |
  6508. SUPPORTED_TP |
  6509. SUPPORTED_Autoneg |
  6510. SUPPORTED_Pause |
  6511. SUPPORTED_Asym_Pause),
  6512. .media_type = ETH_PHY_BASE_T,
  6513. .ver_addr = 0,
  6514. .req_flow_ctrl = 0,
  6515. .req_line_speed = 0,
  6516. .speed_cap_mask = 0,
  6517. .req_duplex = 0,
  6518. .rsrv = 0,
  6519. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6520. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6521. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6522. .config_loopback = (config_loopback_t)NULL,
  6523. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6524. .hw_reset = (hw_reset_t)NULL,
  6525. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6526. .phy_specific_func = (phy_specific_func_t)NULL
  6527. };
  6528. static struct bnx2x_phy phy_84833 = {
  6529. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6530. .addr = 0xff,
  6531. .def_md_devad = 0,
  6532. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6533. FLAGS_REARM_LATCH_SIGNAL,
  6534. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6535. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6536. .mdio_ctrl = 0,
  6537. .supported = (SUPPORTED_10baseT_Half |
  6538. SUPPORTED_10baseT_Full |
  6539. SUPPORTED_100baseT_Half |
  6540. SUPPORTED_100baseT_Full |
  6541. SUPPORTED_1000baseT_Full |
  6542. SUPPORTED_10000baseT_Full |
  6543. SUPPORTED_TP |
  6544. SUPPORTED_Autoneg |
  6545. SUPPORTED_Pause |
  6546. SUPPORTED_Asym_Pause),
  6547. .media_type = ETH_PHY_BASE_T,
  6548. .ver_addr = 0,
  6549. .req_flow_ctrl = 0,
  6550. .req_line_speed = 0,
  6551. .speed_cap_mask = 0,
  6552. .req_duplex = 0,
  6553. .rsrv = 0,
  6554. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6555. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6556. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6557. .config_loopback = (config_loopback_t)NULL,
  6558. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6559. .hw_reset = (hw_reset_t)NULL,
  6560. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6561. .phy_specific_func = (phy_specific_func_t)NULL
  6562. };
  6563. /*****************************************************************/
  6564. /* */
  6565. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6566. /* */
  6567. /*****************************************************************/
  6568. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6569. struct bnx2x_phy *phy, u8 port,
  6570. u8 phy_index)
  6571. {
  6572. /* Get the 4 lanes xgxs config rx and tx */
  6573. u32 rx = 0, tx = 0, i;
  6574. for (i = 0; i < 2; i++) {
  6575. /*
  6576. * INT_PHY and EXT_PHY1 share the same value location in the
  6577. * shmem. When num_phys is greater than 1, than this value
  6578. * applies only to EXT_PHY1
  6579. */
  6580. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6581. rx = REG_RD(bp, shmem_base +
  6582. offsetof(struct shmem_region,
  6583. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6584. tx = REG_RD(bp, shmem_base +
  6585. offsetof(struct shmem_region,
  6586. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6587. } else {
  6588. rx = REG_RD(bp, shmem_base +
  6589. offsetof(struct shmem_region,
  6590. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6591. tx = REG_RD(bp, shmem_base +
  6592. offsetof(struct shmem_region,
  6593. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6594. }
  6595. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6596. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6597. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6598. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6599. }
  6600. }
  6601. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6602. u8 phy_index, u8 port)
  6603. {
  6604. u32 ext_phy_config = 0;
  6605. switch (phy_index) {
  6606. case EXT_PHY1:
  6607. ext_phy_config = REG_RD(bp, shmem_base +
  6608. offsetof(struct shmem_region,
  6609. dev_info.port_hw_config[port].external_phy_config));
  6610. break;
  6611. case EXT_PHY2:
  6612. ext_phy_config = REG_RD(bp, shmem_base +
  6613. offsetof(struct shmem_region,
  6614. dev_info.port_hw_config[port].external_phy_config2));
  6615. break;
  6616. default:
  6617. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6618. return -EINVAL;
  6619. }
  6620. return ext_phy_config;
  6621. }
  6622. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6623. struct bnx2x_phy *phy)
  6624. {
  6625. u32 phy_addr;
  6626. u32 chip_id;
  6627. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6628. offsetof(struct shmem_region,
  6629. dev_info.port_feature_config[port].link_config)) &
  6630. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6631. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6632. switch (switch_cfg) {
  6633. case SWITCH_CFG_1G:
  6634. phy_addr = REG_RD(bp,
  6635. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6636. port * 0x10);
  6637. *phy = phy_serdes;
  6638. break;
  6639. case SWITCH_CFG_10G:
  6640. phy_addr = REG_RD(bp,
  6641. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6642. port * 0x18);
  6643. *phy = phy_xgxs;
  6644. break;
  6645. default:
  6646. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6647. return -EINVAL;
  6648. }
  6649. phy->addr = (u8)phy_addr;
  6650. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6651. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6652. port);
  6653. if (CHIP_IS_E2(bp))
  6654. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6655. else
  6656. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6657. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6658. port, phy->addr, phy->mdio_ctrl);
  6659. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6660. return 0;
  6661. }
  6662. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  6663. u8 phy_index,
  6664. u32 shmem_base,
  6665. u32 shmem2_base,
  6666. u8 port,
  6667. struct bnx2x_phy *phy)
  6668. {
  6669. u32 ext_phy_config, phy_type, config2;
  6670. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6671. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6672. phy_index, port);
  6673. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6674. /* Select the phy type */
  6675. switch (phy_type) {
  6676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6677. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6678. *phy = phy_8073;
  6679. break;
  6680. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6681. *phy = phy_8705;
  6682. break;
  6683. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6684. *phy = phy_8706;
  6685. break;
  6686. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6687. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6688. *phy = phy_8726;
  6689. break;
  6690. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6691. /* BCM8727_NOC => BCM8727 no over current */
  6692. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6693. *phy = phy_8727;
  6694. phy->flags |= FLAGS_NOC;
  6695. break;
  6696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6697. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6698. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6699. *phy = phy_8727;
  6700. break;
  6701. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6702. *phy = phy_8481;
  6703. break;
  6704. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6705. *phy = phy_84823;
  6706. break;
  6707. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6708. *phy = phy_84833;
  6709. break;
  6710. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6711. *phy = phy_7101;
  6712. break;
  6713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6714. *phy = phy_null;
  6715. return -EINVAL;
  6716. default:
  6717. *phy = phy_null;
  6718. return 0;
  6719. }
  6720. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6721. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6722. /*
  6723. * The shmem address of the phy version is located on different
  6724. * structures. In case this structure is too old, do not set
  6725. * the address
  6726. */
  6727. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6728. dev_info.shared_hw_config.config2));
  6729. if (phy_index == EXT_PHY1) {
  6730. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6731. port_mb[port].ext_phy_fw_version);
  6732. /* Check specific mdc mdio settings */
  6733. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6734. mdc_mdio_access = config2 &
  6735. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6736. } else {
  6737. u32 size = REG_RD(bp, shmem2_base);
  6738. if (size >
  6739. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6740. phy->ver_addr = shmem2_base +
  6741. offsetof(struct shmem2_region,
  6742. ext_phy_fw_version2[port]);
  6743. }
  6744. /* Check specific mdc mdio settings */
  6745. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6746. mdc_mdio_access = (config2 &
  6747. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6748. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6749. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6750. }
  6751. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6752. /*
  6753. * In case mdc/mdio_access of the external phy is different than the
  6754. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6755. * to prevent one port interfere with another port's CL45 operations.
  6756. */
  6757. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6758. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6759. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6760. phy_type, port, phy_index);
  6761. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6762. phy->addr, phy->mdio_ctrl);
  6763. return 0;
  6764. }
  6765. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6766. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6767. {
  6768. int status = 0;
  6769. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6770. if (phy_index == INT_PHY)
  6771. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6772. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6773. port, phy);
  6774. return status;
  6775. }
  6776. static void bnx2x_phy_def_cfg(struct link_params *params,
  6777. struct bnx2x_phy *phy,
  6778. u8 phy_index)
  6779. {
  6780. struct bnx2x *bp = params->bp;
  6781. u32 link_config;
  6782. /* Populate the default phy configuration for MF mode */
  6783. if (phy_index == EXT_PHY2) {
  6784. link_config = REG_RD(bp, params->shmem_base +
  6785. offsetof(struct shmem_region, dev_info.
  6786. port_feature_config[params->port].link_config2));
  6787. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6788. offsetof(struct shmem_region,
  6789. dev_info.
  6790. port_hw_config[params->port].speed_capability_mask2));
  6791. } else {
  6792. link_config = REG_RD(bp, params->shmem_base +
  6793. offsetof(struct shmem_region, dev_info.
  6794. port_feature_config[params->port].link_config));
  6795. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6796. offsetof(struct shmem_region,
  6797. dev_info.
  6798. port_hw_config[params->port].speed_capability_mask));
  6799. }
  6800. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6801. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6802. phy->req_duplex = DUPLEX_FULL;
  6803. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6804. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6805. phy->req_duplex = DUPLEX_HALF;
  6806. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6807. phy->req_line_speed = SPEED_10;
  6808. break;
  6809. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6810. phy->req_duplex = DUPLEX_HALF;
  6811. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6812. phy->req_line_speed = SPEED_100;
  6813. break;
  6814. case PORT_FEATURE_LINK_SPEED_1G:
  6815. phy->req_line_speed = SPEED_1000;
  6816. break;
  6817. case PORT_FEATURE_LINK_SPEED_2_5G:
  6818. phy->req_line_speed = SPEED_2500;
  6819. break;
  6820. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6821. phy->req_line_speed = SPEED_10000;
  6822. break;
  6823. default:
  6824. phy->req_line_speed = SPEED_AUTO_NEG;
  6825. break;
  6826. }
  6827. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6828. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6829. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6830. break;
  6831. case PORT_FEATURE_FLOW_CONTROL_TX:
  6832. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6833. break;
  6834. case PORT_FEATURE_FLOW_CONTROL_RX:
  6835. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6836. break;
  6837. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6838. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6839. break;
  6840. default:
  6841. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6842. break;
  6843. }
  6844. }
  6845. u32 bnx2x_phy_selection(struct link_params *params)
  6846. {
  6847. u32 phy_config_swapped, prio_cfg;
  6848. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6849. phy_config_swapped = params->multi_phy_config &
  6850. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6851. prio_cfg = params->multi_phy_config &
  6852. PORT_HW_CFG_PHY_SELECTION_MASK;
  6853. if (phy_config_swapped) {
  6854. switch (prio_cfg) {
  6855. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6856. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6857. break;
  6858. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6859. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6860. break;
  6861. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6862. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6863. break;
  6864. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6865. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6866. break;
  6867. }
  6868. } else
  6869. return_cfg = prio_cfg;
  6870. return return_cfg;
  6871. }
  6872. int bnx2x_phy_probe(struct link_params *params)
  6873. {
  6874. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6875. u32 phy_config_swapped, sync_offset, media_types;
  6876. struct bnx2x *bp = params->bp;
  6877. struct bnx2x_phy *phy;
  6878. params->num_phys = 0;
  6879. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6880. phy_config_swapped = params->multi_phy_config &
  6881. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6882. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6883. phy_index++) {
  6884. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6885. actual_phy_idx = phy_index;
  6886. if (phy_config_swapped) {
  6887. if (phy_index == EXT_PHY1)
  6888. actual_phy_idx = EXT_PHY2;
  6889. else if (phy_index == EXT_PHY2)
  6890. actual_phy_idx = EXT_PHY1;
  6891. }
  6892. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6893. " actual_phy_idx %x\n", phy_config_swapped,
  6894. phy_index, actual_phy_idx);
  6895. phy = &params->phy[actual_phy_idx];
  6896. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6897. params->shmem2_base, params->port,
  6898. phy) != 0) {
  6899. params->num_phys = 0;
  6900. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6901. phy_index);
  6902. for (phy_index = INT_PHY;
  6903. phy_index < MAX_PHYS;
  6904. phy_index++)
  6905. *phy = phy_null;
  6906. return -EINVAL;
  6907. }
  6908. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6909. break;
  6910. sync_offset = params->shmem_base +
  6911. offsetof(struct shmem_region,
  6912. dev_info.port_hw_config[params->port].media_type);
  6913. media_types = REG_RD(bp, sync_offset);
  6914. /*
  6915. * Update media type for non-PMF sync only for the first time
  6916. * In case the media type changes afterwards, it will be updated
  6917. * using the update_status function
  6918. */
  6919. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6920. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6921. actual_phy_idx))) == 0) {
  6922. media_types |= ((phy->media_type &
  6923. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6924. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6925. actual_phy_idx));
  6926. }
  6927. REG_WR(bp, sync_offset, media_types);
  6928. bnx2x_phy_def_cfg(params, phy, phy_index);
  6929. params->num_phys++;
  6930. }
  6931. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6932. return 0;
  6933. }
  6934. void bnx2x_init_bmac_loopback(struct link_params *params,
  6935. struct link_vars *vars)
  6936. {
  6937. struct bnx2x *bp = params->bp;
  6938. vars->link_up = 1;
  6939. vars->line_speed = SPEED_10000;
  6940. vars->duplex = DUPLEX_FULL;
  6941. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6942. vars->mac_type = MAC_TYPE_BMAC;
  6943. vars->phy_flags = PHY_XGXS_FLAG;
  6944. bnx2x_xgxs_deassert(params);
  6945. /* set bmac loopback */
  6946. bnx2x_bmac_enable(params, vars, 1);
  6947. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6948. }
  6949. void bnx2x_init_emac_loopback(struct link_params *params,
  6950. struct link_vars *vars)
  6951. {
  6952. struct bnx2x *bp = params->bp;
  6953. vars->link_up = 1;
  6954. vars->line_speed = SPEED_1000;
  6955. vars->duplex = DUPLEX_FULL;
  6956. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6957. vars->mac_type = MAC_TYPE_EMAC;
  6958. vars->phy_flags = PHY_XGXS_FLAG;
  6959. bnx2x_xgxs_deassert(params);
  6960. /* set bmac loopback */
  6961. bnx2x_emac_enable(params, vars, 1);
  6962. bnx2x_emac_program(params, vars);
  6963. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6964. }
  6965. void bnx2x_init_xgxs_loopback(struct link_params *params,
  6966. struct link_vars *vars)
  6967. {
  6968. struct bnx2x *bp = params->bp;
  6969. vars->link_up = 1;
  6970. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6971. vars->duplex = DUPLEX_FULL;
  6972. if (params->req_line_speed[0] == SPEED_1000)
  6973. vars->line_speed = SPEED_1000;
  6974. else
  6975. vars->line_speed = SPEED_10000;
  6976. bnx2x_xgxs_deassert(params);
  6977. bnx2x_link_initialize(params, vars);
  6978. if (params->req_line_speed[0] == SPEED_1000) {
  6979. bnx2x_emac_program(params, vars);
  6980. bnx2x_emac_enable(params, vars, 0);
  6981. } else
  6982. bnx2x_bmac_enable(params, vars, 0);
  6983. if (params->loopback_mode == LOOPBACK_XGXS) {
  6984. /* set 10G XGXS loopback */
  6985. params->phy[INT_PHY].config_loopback(
  6986. &params->phy[INT_PHY],
  6987. params);
  6988. } else {
  6989. /* set external phy loopback */
  6990. u8 phy_index;
  6991. for (phy_index = EXT_PHY1;
  6992. phy_index < params->num_phys; phy_index++) {
  6993. if (params->phy[phy_index].config_loopback)
  6994. params->phy[phy_index].config_loopback(
  6995. &params->phy[phy_index],
  6996. params);
  6997. }
  6998. }
  6999. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  7000. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  7001. }
  7002. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  7003. {
  7004. struct bnx2x *bp = params->bp;
  7005. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  7006. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  7007. params->req_line_speed[0], params->req_flow_ctrl[0]);
  7008. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  7009. params->req_line_speed[1], params->req_flow_ctrl[1]);
  7010. vars->link_status = 0;
  7011. vars->phy_link_up = 0;
  7012. vars->link_up = 0;
  7013. vars->line_speed = 0;
  7014. vars->duplex = DUPLEX_FULL;
  7015. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  7016. vars->mac_type = MAC_TYPE_NONE;
  7017. vars->phy_flags = 0;
  7018. /* disable attentions */
  7019. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  7020. (NIG_MASK_XGXS0_LINK_STATUS |
  7021. NIG_MASK_XGXS0_LINK10G |
  7022. NIG_MASK_SERDES0_LINK_STATUS |
  7023. NIG_MASK_MI_INT));
  7024. bnx2x_emac_init(params, vars);
  7025. if (params->num_phys == 0) {
  7026. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  7027. return -EINVAL;
  7028. }
  7029. set_phy_vars(params, vars);
  7030. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  7031. switch (params->loopback_mode) {
  7032. case LOOPBACK_BMAC:
  7033. bnx2x_init_bmac_loopback(params, vars);
  7034. break;
  7035. case LOOPBACK_EMAC:
  7036. bnx2x_init_emac_loopback(params, vars);
  7037. break;
  7038. case LOOPBACK_XGXS:
  7039. case LOOPBACK_EXT_PHY:
  7040. bnx2x_init_xgxs_loopback(params, vars);
  7041. break;
  7042. default:
  7043. /* No loopback */
  7044. if (params->switch_cfg == SWITCH_CFG_10G)
  7045. bnx2x_xgxs_deassert(params);
  7046. else
  7047. bnx2x_serdes_deassert(bp, params->port);
  7048. bnx2x_link_initialize(params, vars);
  7049. msleep(30);
  7050. bnx2x_link_int_enable(params);
  7051. break;
  7052. }
  7053. return 0;
  7054. }
  7055. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  7056. u8 reset_ext_phy)
  7057. {
  7058. struct bnx2x *bp = params->bp;
  7059. u8 phy_index, port = params->port, clear_latch_ind = 0;
  7060. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  7061. /* disable attentions */
  7062. vars->link_status = 0;
  7063. bnx2x_update_mng(params, vars->link_status);
  7064. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  7065. (NIG_MASK_XGXS0_LINK_STATUS |
  7066. NIG_MASK_XGXS0_LINK10G |
  7067. NIG_MASK_SERDES0_LINK_STATUS |
  7068. NIG_MASK_MI_INT));
  7069. /* activate nig drain */
  7070. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  7071. /* disable nig egress interface */
  7072. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7073. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7074. /* Stop BigMac rx */
  7075. bnx2x_bmac_rx_disable(bp, port);
  7076. /* disable emac */
  7077. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  7078. msleep(10);
  7079. /* The PHY reset is controlled by GPIO 1
  7080. * Hold it as vars low
  7081. */
  7082. /* clear link led */
  7083. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  7084. if (reset_ext_phy) {
  7085. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  7086. phy_index++) {
  7087. if (params->phy[phy_index].link_reset)
  7088. params->phy[phy_index].link_reset(
  7089. &params->phy[phy_index],
  7090. params);
  7091. if (params->phy[phy_index].flags &
  7092. FLAGS_REARM_LATCH_SIGNAL)
  7093. clear_latch_ind = 1;
  7094. }
  7095. }
  7096. if (clear_latch_ind) {
  7097. /* Clear latching indication */
  7098. bnx2x_rearm_latch_signal(bp, port, 0);
  7099. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  7100. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  7101. }
  7102. if (params->phy[INT_PHY].link_reset)
  7103. params->phy[INT_PHY].link_reset(
  7104. &params->phy[INT_PHY], params);
  7105. /* reset BigMac */
  7106. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  7107. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  7108. /* disable nig ingress interface */
  7109. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  7110. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  7111. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7112. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7113. vars->link_up = 0;
  7114. return 0;
  7115. }
  7116. /****************************************************************************/
  7117. /* Common function */
  7118. /****************************************************************************/
  7119. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  7120. u32 shmem_base_path[],
  7121. u32 shmem2_base_path[], u8 phy_index,
  7122. u32 chip_id)
  7123. {
  7124. struct bnx2x_phy phy[PORT_MAX];
  7125. struct bnx2x_phy *phy_blk[PORT_MAX];
  7126. u16 val;
  7127. s8 port = 0;
  7128. s8 port_of_path = 0;
  7129. u32 swap_val, swap_override;
  7130. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7131. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7132. port ^= (swap_val && swap_override);
  7133. bnx2x_ext_phy_hw_reset(bp, port);
  7134. /* PART1 - Reset both phys */
  7135. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7136. u32 shmem_base, shmem2_base;
  7137. /* In E2, same phy is using for port0 of the two paths */
  7138. if (CHIP_IS_E2(bp)) {
  7139. shmem_base = shmem_base_path[port];
  7140. shmem2_base = shmem2_base_path[port];
  7141. port_of_path = 0;
  7142. } else {
  7143. shmem_base = shmem_base_path[0];
  7144. shmem2_base = shmem2_base_path[0];
  7145. port_of_path = port;
  7146. }
  7147. /* Extract the ext phy address for the port */
  7148. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7149. port_of_path, &phy[port]) !=
  7150. 0) {
  7151. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  7152. return -EINVAL;
  7153. }
  7154. /* disable attentions */
  7155. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7156. port_of_path*4,
  7157. (NIG_MASK_XGXS0_LINK_STATUS |
  7158. NIG_MASK_XGXS0_LINK10G |
  7159. NIG_MASK_SERDES0_LINK_STATUS |
  7160. NIG_MASK_MI_INT));
  7161. /* Need to take the phy out of low power mode in order
  7162. to write to access its registers */
  7163. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7164. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7165. port);
  7166. /* Reset the phy */
  7167. bnx2x_cl45_write(bp, &phy[port],
  7168. MDIO_PMA_DEVAD,
  7169. MDIO_PMA_REG_CTRL,
  7170. 1<<15);
  7171. }
  7172. /* Add delay of 150ms after reset */
  7173. msleep(150);
  7174. if (phy[PORT_0].addr & 0x1) {
  7175. phy_blk[PORT_0] = &(phy[PORT_1]);
  7176. phy_blk[PORT_1] = &(phy[PORT_0]);
  7177. } else {
  7178. phy_blk[PORT_0] = &(phy[PORT_0]);
  7179. phy_blk[PORT_1] = &(phy[PORT_1]);
  7180. }
  7181. /* PART2 - Download firmware to both phys */
  7182. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7183. if (CHIP_IS_E2(bp))
  7184. port_of_path = 0;
  7185. else
  7186. port_of_path = port;
  7187. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7188. phy_blk[port]->addr);
  7189. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7190. port_of_path))
  7191. return -EINVAL;
  7192. /* Only set bit 10 = 1 (Tx power down) */
  7193. bnx2x_cl45_read(bp, phy_blk[port],
  7194. MDIO_PMA_DEVAD,
  7195. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7196. /* Phase1 of TX_POWER_DOWN reset */
  7197. bnx2x_cl45_write(bp, phy_blk[port],
  7198. MDIO_PMA_DEVAD,
  7199. MDIO_PMA_REG_TX_POWER_DOWN,
  7200. (val | 1<<10));
  7201. }
  7202. /*
  7203. * Toggle Transmitter: Power down and then up with 600ms delay
  7204. * between
  7205. */
  7206. msleep(600);
  7207. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7208. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7209. /* Phase2 of POWER_DOWN_RESET */
  7210. /* Release bit 10 (Release Tx power down) */
  7211. bnx2x_cl45_read(bp, phy_blk[port],
  7212. MDIO_PMA_DEVAD,
  7213. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7214. bnx2x_cl45_write(bp, phy_blk[port],
  7215. MDIO_PMA_DEVAD,
  7216. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7217. msleep(15);
  7218. /* Read modify write the SPI-ROM version select register */
  7219. bnx2x_cl45_read(bp, phy_blk[port],
  7220. MDIO_PMA_DEVAD,
  7221. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7222. bnx2x_cl45_write(bp, phy_blk[port],
  7223. MDIO_PMA_DEVAD,
  7224. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7225. /* set GPIO2 back to LOW */
  7226. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7227. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7228. }
  7229. return 0;
  7230. }
  7231. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7232. u32 shmem_base_path[],
  7233. u32 shmem2_base_path[], u8 phy_index,
  7234. u32 chip_id)
  7235. {
  7236. u32 val;
  7237. s8 port;
  7238. struct bnx2x_phy phy;
  7239. /* Use port1 because of the static port-swap */
  7240. /* Enable the module detection interrupt */
  7241. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7242. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7243. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7244. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7245. bnx2x_ext_phy_hw_reset(bp, 0);
  7246. msleep(5);
  7247. for (port = 0; port < PORT_MAX; port++) {
  7248. u32 shmem_base, shmem2_base;
  7249. /* In E2, same phy is using for port0 of the two paths */
  7250. if (CHIP_IS_E2(bp)) {
  7251. shmem_base = shmem_base_path[port];
  7252. shmem2_base = shmem2_base_path[port];
  7253. } else {
  7254. shmem_base = shmem_base_path[0];
  7255. shmem2_base = shmem2_base_path[0];
  7256. }
  7257. /* Extract the ext phy address for the port */
  7258. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7259. port, &phy) !=
  7260. 0) {
  7261. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7262. return -EINVAL;
  7263. }
  7264. /* Reset phy*/
  7265. bnx2x_cl45_write(bp, &phy,
  7266. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7267. /* Set fault module detected LED on */
  7268. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7269. MISC_REGISTERS_GPIO_HIGH,
  7270. port);
  7271. }
  7272. return 0;
  7273. }
  7274. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7275. u8 *io_gpio, u8 *io_port)
  7276. {
  7277. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7278. offsetof(struct shmem_region,
  7279. dev_info.port_hw_config[PORT_0].default_cfg));
  7280. switch (phy_gpio_reset) {
  7281. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7282. *io_gpio = 0;
  7283. *io_port = 0;
  7284. break;
  7285. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7286. *io_gpio = 1;
  7287. *io_port = 0;
  7288. break;
  7289. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7290. *io_gpio = 2;
  7291. *io_port = 0;
  7292. break;
  7293. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7294. *io_gpio = 3;
  7295. *io_port = 0;
  7296. break;
  7297. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7298. *io_gpio = 0;
  7299. *io_port = 1;
  7300. break;
  7301. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7302. *io_gpio = 1;
  7303. *io_port = 1;
  7304. break;
  7305. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7306. *io_gpio = 2;
  7307. *io_port = 1;
  7308. break;
  7309. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7310. *io_gpio = 3;
  7311. *io_port = 1;
  7312. break;
  7313. default:
  7314. /* Don't override the io_gpio and io_port */
  7315. break;
  7316. }
  7317. }
  7318. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7319. u32 shmem_base_path[],
  7320. u32 shmem2_base_path[], u8 phy_index,
  7321. u32 chip_id)
  7322. {
  7323. s8 port, reset_gpio;
  7324. u32 swap_val, swap_override;
  7325. struct bnx2x_phy phy[PORT_MAX];
  7326. struct bnx2x_phy *phy_blk[PORT_MAX];
  7327. s8 port_of_path;
  7328. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7329. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7330. reset_gpio = MISC_REGISTERS_GPIO_1;
  7331. port = 1;
  7332. /*
  7333. * Retrieve the reset gpio/port which control the reset.
  7334. * Default is GPIO1, PORT1
  7335. */
  7336. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7337. (u8 *)&reset_gpio, (u8 *)&port);
  7338. /* Calculate the port based on port swap */
  7339. port ^= (swap_val && swap_override);
  7340. /* Initiate PHY reset*/
  7341. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7342. port);
  7343. msleep(1);
  7344. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7345. port);
  7346. msleep(5);
  7347. /* PART1 - Reset both phys */
  7348. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7349. u32 shmem_base, shmem2_base;
  7350. /* In E2, same phy is using for port0 of the two paths */
  7351. if (CHIP_IS_E2(bp)) {
  7352. shmem_base = shmem_base_path[port];
  7353. shmem2_base = shmem2_base_path[port];
  7354. port_of_path = 0;
  7355. } else {
  7356. shmem_base = shmem_base_path[0];
  7357. shmem2_base = shmem2_base_path[0];
  7358. port_of_path = port;
  7359. }
  7360. /* Extract the ext phy address for the port */
  7361. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7362. port_of_path, &phy[port]) !=
  7363. 0) {
  7364. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7365. return -EINVAL;
  7366. }
  7367. /* disable attentions */
  7368. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7369. port_of_path*4,
  7370. (NIG_MASK_XGXS0_LINK_STATUS |
  7371. NIG_MASK_XGXS0_LINK10G |
  7372. NIG_MASK_SERDES0_LINK_STATUS |
  7373. NIG_MASK_MI_INT));
  7374. /* Reset the phy */
  7375. bnx2x_cl45_write(bp, &phy[port],
  7376. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7377. }
  7378. /* Add delay of 150ms after reset */
  7379. msleep(150);
  7380. if (phy[PORT_0].addr & 0x1) {
  7381. phy_blk[PORT_0] = &(phy[PORT_1]);
  7382. phy_blk[PORT_1] = &(phy[PORT_0]);
  7383. } else {
  7384. phy_blk[PORT_0] = &(phy[PORT_0]);
  7385. phy_blk[PORT_1] = &(phy[PORT_1]);
  7386. }
  7387. /* PART2 - Download firmware to both phys */
  7388. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7389. if (CHIP_IS_E2(bp))
  7390. port_of_path = 0;
  7391. else
  7392. port_of_path = port;
  7393. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7394. phy_blk[port]->addr);
  7395. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7396. port_of_path))
  7397. return -EINVAL;
  7398. }
  7399. return 0;
  7400. }
  7401. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7402. u32 shmem2_base_path[], u8 phy_index,
  7403. u32 ext_phy_type, u32 chip_id)
  7404. {
  7405. int rc = 0;
  7406. switch (ext_phy_type) {
  7407. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7408. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7409. shmem2_base_path,
  7410. phy_index, chip_id);
  7411. break;
  7412. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7413. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7414. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7415. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7416. shmem2_base_path,
  7417. phy_index, chip_id);
  7418. break;
  7419. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7420. /*
  7421. * GPIO1 affects both ports, so there's need to pull
  7422. * it for single port alone
  7423. */
  7424. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7425. shmem2_base_path,
  7426. phy_index, chip_id);
  7427. break;
  7428. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7429. rc = -EINVAL;
  7430. break;
  7431. default:
  7432. DP(NETIF_MSG_LINK,
  7433. "ext_phy 0x%x common init not required\n",
  7434. ext_phy_type);
  7435. break;
  7436. }
  7437. if (rc != 0)
  7438. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7439. " Port %d\n",
  7440. 0);
  7441. return rc;
  7442. }
  7443. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7444. u32 shmem2_base_path[], u32 chip_id)
  7445. {
  7446. int rc = 0;
  7447. u32 phy_ver;
  7448. u8 phy_index;
  7449. u32 ext_phy_type, ext_phy_config;
  7450. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  7451. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  7452. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7453. /* Check if common init was already done */
  7454. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7455. offsetof(struct shmem_region,
  7456. port_mb[PORT_0].ext_phy_fw_version));
  7457. if (phy_ver) {
  7458. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7459. phy_ver);
  7460. return 0;
  7461. }
  7462. /* Read the ext_phy_type for arbitrary port(0) */
  7463. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7464. phy_index++) {
  7465. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7466. shmem_base_path[0],
  7467. phy_index, 0);
  7468. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7469. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7470. shmem2_base_path,
  7471. phy_index, ext_phy_type,
  7472. chip_id);
  7473. }
  7474. return rc;
  7475. }
  7476. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7477. {
  7478. u8 phy_index;
  7479. struct bnx2x_phy phy;
  7480. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7481. phy_index++) {
  7482. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7483. 0, &phy) != 0) {
  7484. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7485. return 0;
  7486. }
  7487. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7488. return 1;
  7489. }
  7490. return 0;
  7491. }
  7492. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7493. u32 shmem_base,
  7494. u32 shmem2_base,
  7495. u8 port)
  7496. {
  7497. u8 phy_index, fan_failure_det_req = 0;
  7498. struct bnx2x_phy phy;
  7499. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7500. phy_index++) {
  7501. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7502. port, &phy)
  7503. != 0) {
  7504. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7505. return 0;
  7506. }
  7507. fan_failure_det_req |= (phy.flags &
  7508. FLAGS_FAN_FAILURE_DET_REQ);
  7509. }
  7510. return fan_failure_det_req;
  7511. }
  7512. void bnx2x_hw_reset_phy(struct link_params *params)
  7513. {
  7514. u8 phy_index;
  7515. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7516. phy_index++) {
  7517. if (params->phy[phy_index].hw_reset) {
  7518. params->phy[phy_index].hw_reset(
  7519. &params->phy[phy_index],
  7520. params);
  7521. params->phy[phy_index] = phy_null;
  7522. }
  7523. }
  7524. }
  7525. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  7526. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  7527. u8 port)
  7528. {
  7529. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  7530. u32 val;
  7531. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  7532. {
  7533. struct bnx2x_phy phy;
  7534. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7535. phy_index++) {
  7536. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  7537. shmem2_base, port, &phy)
  7538. != 0) {
  7539. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7540. return;
  7541. }
  7542. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  7543. gpio_num = MISC_REGISTERS_GPIO_3;
  7544. gpio_port = port;
  7545. break;
  7546. }
  7547. }
  7548. }
  7549. if (gpio_num == 0xff)
  7550. return;
  7551. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  7552. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  7553. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7554. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7555. gpio_port ^= (swap_val && swap_override);
  7556. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  7557. (gpio_num + (gpio_port << 2));
  7558. sync_offset = shmem_base +
  7559. offsetof(struct shmem_region,
  7560. dev_info.port_hw_config[port].aeu_int_mask);
  7561. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  7562. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  7563. gpio_num, gpio_port, vars->aeu_int_mask);
  7564. if (port == 0)
  7565. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  7566. else
  7567. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  7568. /* Open appropriate AEU for interrupts */
  7569. aeu_mask = REG_RD(bp, offset);
  7570. aeu_mask |= vars->aeu_int_mask;
  7571. REG_WR(bp, offset, aeu_mask);
  7572. /* Enable the GPIO to trigger interrupt */
  7573. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7574. val |= 1 << (gpio_num + (gpio_port << 2));
  7575. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7576. }