bnx2x_link.c 242 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_emac_init(struct link_params *params,
  404. struct link_vars *vars)
  405. {
  406. /* reset and unreset the emac core */
  407. struct bnx2x *bp = params->bp;
  408. u8 port = params->port;
  409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  410. u32 val;
  411. u16 timeout;
  412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  413. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  414. udelay(5);
  415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  416. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  417. /* init emac - use read-modify-write */
  418. /* self clear reset */
  419. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  420. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  421. timeout = 200;
  422. do {
  423. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  424. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  425. if (!timeout) {
  426. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  427. return;
  428. }
  429. timeout--;
  430. } while (val & EMAC_MODE_RESET);
  431. /* Set mac address */
  432. val = ((params->mac_addr[0] << 8) |
  433. params->mac_addr[1]);
  434. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  435. val = ((params->mac_addr[2] << 24) |
  436. (params->mac_addr[3] << 16) |
  437. (params->mac_addr[4] << 8) |
  438. params->mac_addr[5]);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  440. }
  441. static int bnx2x_emac_enable(struct link_params *params,
  442. struct link_vars *vars, u8 lb)
  443. {
  444. struct bnx2x *bp = params->bp;
  445. u8 port = params->port;
  446. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  447. u32 val;
  448. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  449. /* enable emac and not bmac */
  450. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  451. /* ASIC */
  452. if (vars->phy_flags & PHY_XGXS_FLAG) {
  453. u32 ser_lane = ((params->lane_config &
  454. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  455. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  456. DP(NETIF_MSG_LINK, "XGXS\n");
  457. /* select the master lanes (out of 0-3) */
  458. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  459. /* select XGXS */
  460. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  461. } else { /* SerDes */
  462. DP(NETIF_MSG_LINK, "SerDes\n");
  463. /* select SerDes */
  464. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  465. }
  466. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  467. EMAC_RX_MODE_RESET);
  468. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  469. EMAC_TX_MODE_RESET);
  470. if (CHIP_REV_IS_SLOW(bp)) {
  471. /* config GMII mode */
  472. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  473. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  474. } else { /* ASIC */
  475. /* pause enable/disable */
  476. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  477. EMAC_RX_MODE_FLOW_EN);
  478. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  479. (EMAC_TX_MODE_EXT_PAUSE_EN |
  480. EMAC_TX_MODE_FLOW_EN));
  481. if (!(params->feature_config_flags &
  482. FEATURE_CONFIG_PFC_ENABLED)) {
  483. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  484. bnx2x_bits_en(bp, emac_base +
  485. EMAC_REG_EMAC_RX_MODE,
  486. EMAC_RX_MODE_FLOW_EN);
  487. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  488. bnx2x_bits_en(bp, emac_base +
  489. EMAC_REG_EMAC_TX_MODE,
  490. (EMAC_TX_MODE_EXT_PAUSE_EN |
  491. EMAC_TX_MODE_FLOW_EN));
  492. } else
  493. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  494. EMAC_TX_MODE_FLOW_EN);
  495. }
  496. /* KEEP_VLAN_TAG, promiscuous */
  497. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  498. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  499. /*
  500. * Setting this bit causes MAC control frames (except for pause
  501. * frames) to be passed on for processing. This setting has no
  502. * affect on the operation of the pause frames. This bit effects
  503. * all packets regardless of RX Parser packet sorting logic.
  504. * Turn the PFC off to make sure we are in Xon state before
  505. * enabling it.
  506. */
  507. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  508. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  509. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  510. /* Enable PFC again */
  511. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  512. EMAC_REG_RX_PFC_MODE_RX_EN |
  513. EMAC_REG_RX_PFC_MODE_TX_EN |
  514. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  515. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  516. ((0x0101 <<
  517. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  518. (0x00ff <<
  519. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  520. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  521. }
  522. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  523. /* Set Loopback */
  524. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  525. if (lb)
  526. val |= 0x810;
  527. else
  528. val &= ~0x810;
  529. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  530. /* enable emac */
  531. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  532. /* enable emac for jumbo packets */
  533. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  534. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  535. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  536. /* strip CRC */
  537. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  538. /* disable the NIG in/out to the bmac */
  539. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  540. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  541. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  542. /* enable the NIG in/out to the emac */
  543. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  544. val = 0;
  545. if ((params->feature_config_flags &
  546. FEATURE_CONFIG_PFC_ENABLED) ||
  547. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  548. val = 1;
  549. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  550. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  551. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  552. vars->mac_type = MAC_TYPE_EMAC;
  553. return 0;
  554. }
  555. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  556. struct link_vars *vars)
  557. {
  558. u32 wb_data[2];
  559. struct bnx2x *bp = params->bp;
  560. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  561. NIG_REG_INGRESS_BMAC0_MEM;
  562. u32 val = 0x14;
  563. if ((!(params->feature_config_flags &
  564. FEATURE_CONFIG_PFC_ENABLED)) &&
  565. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  566. /* Enable BigMAC to react on received Pause packets */
  567. val |= (1<<5);
  568. wb_data[0] = val;
  569. wb_data[1] = 0;
  570. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  571. /* tx control */
  572. val = 0xc0;
  573. if (!(params->feature_config_flags &
  574. FEATURE_CONFIG_PFC_ENABLED) &&
  575. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  576. val |= 0x800000;
  577. wb_data[0] = val;
  578. wb_data[1] = 0;
  579. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  580. }
  581. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  582. struct link_vars *vars,
  583. u8 is_lb)
  584. {
  585. /*
  586. * Set rx control: Strip CRC and enable BigMAC to relay
  587. * control packets to the system as well
  588. */
  589. u32 wb_data[2];
  590. struct bnx2x *bp = params->bp;
  591. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  592. NIG_REG_INGRESS_BMAC0_MEM;
  593. u32 val = 0x14;
  594. if ((!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED)) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  597. /* Enable BigMAC to react on received Pause packets */
  598. val |= (1<<5);
  599. wb_data[0] = val;
  600. wb_data[1] = 0;
  601. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  602. udelay(30);
  603. /* Tx control */
  604. val = 0xc0;
  605. if (!(params->feature_config_flags &
  606. FEATURE_CONFIG_PFC_ENABLED) &&
  607. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  608. val |= 0x800000;
  609. wb_data[0] = val;
  610. wb_data[1] = 0;
  611. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  612. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  613. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  614. /* Enable PFC RX & TX & STATS and set 8 COS */
  615. wb_data[0] = 0x0;
  616. wb_data[0] |= (1<<0); /* RX */
  617. wb_data[0] |= (1<<1); /* TX */
  618. wb_data[0] |= (1<<2); /* Force initial Xon */
  619. wb_data[0] |= (1<<3); /* 8 cos */
  620. wb_data[0] |= (1<<5); /* STATS */
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  623. wb_data, 2);
  624. /* Clear the force Xon */
  625. wb_data[0] &= ~(1<<2);
  626. } else {
  627. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  628. /* disable PFC RX & TX & STATS and set 8 COS */
  629. wb_data[0] = 0x8;
  630. wb_data[1] = 0;
  631. }
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  633. /*
  634. * Set Time (based unit is 512 bit time) between automatic
  635. * re-sending of PP packets amd enable automatic re-send of
  636. * Per-Priroity Packet as long as pp_gen is asserted and
  637. * pp_disable is low.
  638. */
  639. val = 0x8000;
  640. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  641. val |= (1<<16); /* enable automatic re-send */
  642. wb_data[0] = val;
  643. wb_data[1] = 0;
  644. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  645. wb_data, 2);
  646. /* mac control */
  647. val = 0x3; /* Enable RX and TX */
  648. if (is_lb) {
  649. val |= 0x4; /* Local loopback */
  650. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  651. }
  652. /* When PFC enabled, Pass pause frames towards the NIG. */
  653. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  654. val |= ((1<<6)|(1<<5));
  655. wb_data[0] = val;
  656. wb_data[1] = 0;
  657. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  658. }
  659. static void bnx2x_update_pfc_brb(struct link_params *params,
  660. struct link_vars *vars,
  661. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  662. {
  663. struct bnx2x *bp = params->bp;
  664. int set_pfc = params->feature_config_flags &
  665. FEATURE_CONFIG_PFC_ENABLED;
  666. /* default - pause configuration */
  667. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  668. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  669. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  670. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  671. if (set_pfc && pfc_params)
  672. /* First COS */
  673. if (!pfc_params->cos0_pauseable) {
  674. pause_xoff_th =
  675. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  676. pause_xon_th =
  677. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  678. full_xoff_th =
  679. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  680. full_xon_th =
  681. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  682. }
  683. /*
  684. * The number of free blocks below which the pause signal to class 0
  685. * of MAC #n is asserted. n=0,1
  686. */
  687. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  688. /*
  689. * The number of free blocks above which the pause signal to class 0
  690. * of MAC #n is de-asserted. n=0,1
  691. */
  692. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  693. /*
  694. * The number of free blocks below which the full signal to class 0
  695. * of MAC #n is asserted. n=0,1
  696. */
  697. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  698. /*
  699. * The number of free blocks above which the full signal to class 0
  700. * of MAC #n is de-asserted. n=0,1
  701. */
  702. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  703. if (set_pfc && pfc_params) {
  704. /* Second COS */
  705. if (pfc_params->cos1_pauseable) {
  706. pause_xoff_th =
  707. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  708. pause_xon_th =
  709. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  710. full_xoff_th =
  711. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  712. full_xon_th =
  713. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  714. } else {
  715. pause_xoff_th =
  716. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  717. pause_xon_th =
  718. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  719. full_xoff_th =
  720. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  721. full_xon_th =
  722. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  723. }
  724. /*
  725. * The number of free blocks below which the pause signal to
  726. * class 1 of MAC #n is asserted. n=0,1
  727. */
  728. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  729. /*
  730. * The number of free blocks above which the pause signal to
  731. * class 1 of MAC #n is de-asserted. n=0,1
  732. */
  733. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  734. /*
  735. * The number of free blocks below which the full signal to
  736. * class 1 of MAC #n is asserted. n=0,1
  737. */
  738. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  739. /*
  740. * The number of free blocks above which the full signal to
  741. * class 1 of MAC #n is de-asserted. n=0,1
  742. */
  743. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  744. }
  745. }
  746. static void bnx2x_update_pfc_nig(struct link_params *params,
  747. struct link_vars *vars,
  748. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  749. {
  750. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  751. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  752. u32 pkt_priority_to_cos = 0;
  753. u32 val;
  754. struct bnx2x *bp = params->bp;
  755. int port = params->port;
  756. int set_pfc = params->feature_config_flags &
  757. FEATURE_CONFIG_PFC_ENABLED;
  758. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  759. /*
  760. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  761. * MAC control frames (that are not pause packets)
  762. * will be forwarded to the XCM.
  763. */
  764. xcm_mask = REG_RD(bp,
  765. port ? NIG_REG_LLH1_XCM_MASK :
  766. NIG_REG_LLH0_XCM_MASK);
  767. /*
  768. * nig params will override non PFC params, since it's possible to
  769. * do transition from PFC to SAFC
  770. */
  771. if (set_pfc) {
  772. pause_enable = 0;
  773. llfc_out_en = 0;
  774. llfc_enable = 0;
  775. ppp_enable = 1;
  776. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  777. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  778. xcm0_out_en = 0;
  779. p0_hwpfc_enable = 1;
  780. } else {
  781. if (nig_params) {
  782. llfc_out_en = nig_params->llfc_out_en;
  783. llfc_enable = nig_params->llfc_enable;
  784. pause_enable = nig_params->pause_enable;
  785. } else /*defaul non PFC mode - PAUSE */
  786. pause_enable = 1;
  787. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  788. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  789. xcm0_out_en = 1;
  790. }
  791. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  792. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  793. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  794. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  795. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  796. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  797. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  798. NIG_REG_PPP_ENABLE_0, ppp_enable);
  799. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  800. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  801. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  802. /* output enable for RX_XCM # IF */
  803. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  804. /* HW PFC TX enable */
  805. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  806. /* 0x2 = BMAC, 0x1= EMAC */
  807. switch (vars->mac_type) {
  808. case MAC_TYPE_EMAC:
  809. val = 1;
  810. break;
  811. case MAC_TYPE_BMAC:
  812. val = 0;
  813. break;
  814. default:
  815. val = 0;
  816. break;
  817. }
  818. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  819. if (nig_params) {
  820. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  821. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  822. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  823. nig_params->rx_cos0_priority_mask);
  824. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  825. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  826. nig_params->rx_cos1_priority_mask);
  827. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  828. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  829. nig_params->llfc_high_priority_classes);
  830. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  831. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  832. nig_params->llfc_low_priority_classes);
  833. }
  834. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  835. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  836. pkt_priority_to_cos);
  837. }
  838. void bnx2x_update_pfc(struct link_params *params,
  839. struct link_vars *vars,
  840. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  841. {
  842. /*
  843. * The PFC and pause are orthogonal to one another, meaning when
  844. * PFC is enabled, the pause are disabled, and when PFC is
  845. * disabled, pause are set according to the pause result.
  846. */
  847. u32 val;
  848. struct bnx2x *bp = params->bp;
  849. /* update NIG params */
  850. bnx2x_update_pfc_nig(params, vars, pfc_params);
  851. /* update BRB params */
  852. bnx2x_update_pfc_brb(params, vars, pfc_params);
  853. if (!vars->link_up)
  854. return;
  855. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  856. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  857. == 0) {
  858. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  859. bnx2x_emac_enable(params, vars, 0);
  860. return;
  861. }
  862. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  863. if (CHIP_IS_E2(bp))
  864. bnx2x_update_pfc_bmac2(params, vars, 0);
  865. else
  866. bnx2x_update_pfc_bmac1(params, vars);
  867. val = 0;
  868. if ((params->feature_config_flags &
  869. FEATURE_CONFIG_PFC_ENABLED) ||
  870. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  871. val = 1;
  872. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  873. }
  874. static int bnx2x_bmac1_enable(struct link_params *params,
  875. struct link_vars *vars,
  876. u8 is_lb)
  877. {
  878. struct bnx2x *bp = params->bp;
  879. u8 port = params->port;
  880. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  881. NIG_REG_INGRESS_BMAC0_MEM;
  882. u32 wb_data[2];
  883. u32 val;
  884. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  885. /* XGXS control */
  886. wb_data[0] = 0x3c;
  887. wb_data[1] = 0;
  888. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  889. wb_data, 2);
  890. /* tx MAC SA */
  891. wb_data[0] = ((params->mac_addr[2] << 24) |
  892. (params->mac_addr[3] << 16) |
  893. (params->mac_addr[4] << 8) |
  894. params->mac_addr[5]);
  895. wb_data[1] = ((params->mac_addr[0] << 8) |
  896. params->mac_addr[1]);
  897. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  898. /* mac control */
  899. val = 0x3;
  900. if (is_lb) {
  901. val |= 0x4;
  902. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  903. }
  904. wb_data[0] = val;
  905. wb_data[1] = 0;
  906. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  907. /* set rx mtu */
  908. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  909. wb_data[1] = 0;
  910. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  911. bnx2x_update_pfc_bmac1(params, vars);
  912. /* set tx mtu */
  913. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  914. wb_data[1] = 0;
  915. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  916. /* set cnt max size */
  917. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  918. wb_data[1] = 0;
  919. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  920. /* configure safc */
  921. wb_data[0] = 0x1000200;
  922. wb_data[1] = 0;
  923. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  924. wb_data, 2);
  925. return 0;
  926. }
  927. static int bnx2x_bmac2_enable(struct link_params *params,
  928. struct link_vars *vars,
  929. u8 is_lb)
  930. {
  931. struct bnx2x *bp = params->bp;
  932. u8 port = params->port;
  933. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  934. NIG_REG_INGRESS_BMAC0_MEM;
  935. u32 wb_data[2];
  936. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  937. wb_data[0] = 0;
  938. wb_data[1] = 0;
  939. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  940. udelay(30);
  941. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  942. wb_data[0] = 0x3c;
  943. wb_data[1] = 0;
  944. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  945. wb_data, 2);
  946. udelay(30);
  947. /* tx MAC SA */
  948. wb_data[0] = ((params->mac_addr[2] << 24) |
  949. (params->mac_addr[3] << 16) |
  950. (params->mac_addr[4] << 8) |
  951. params->mac_addr[5]);
  952. wb_data[1] = ((params->mac_addr[0] << 8) |
  953. params->mac_addr[1]);
  954. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  955. wb_data, 2);
  956. udelay(30);
  957. /* Configure SAFC */
  958. wb_data[0] = 0x1000200;
  959. wb_data[1] = 0;
  960. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  961. wb_data, 2);
  962. udelay(30);
  963. /* set rx mtu */
  964. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  965. wb_data[1] = 0;
  966. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  967. udelay(30);
  968. /* set tx mtu */
  969. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  970. wb_data[1] = 0;
  971. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  972. udelay(30);
  973. /* set cnt max size */
  974. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  975. wb_data[1] = 0;
  976. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  977. udelay(30);
  978. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  979. return 0;
  980. }
  981. static int bnx2x_bmac_enable(struct link_params *params,
  982. struct link_vars *vars,
  983. u8 is_lb)
  984. {
  985. int rc = 0;
  986. u8 port = params->port;
  987. struct bnx2x *bp = params->bp;
  988. u32 val;
  989. /* reset and unreset the BigMac */
  990. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  991. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  992. msleep(1);
  993. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  994. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  995. /* enable access for bmac registers */
  996. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  997. /* Enable BMAC according to BMAC type*/
  998. if (CHIP_IS_E2(bp))
  999. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  1000. else
  1001. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1002. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1003. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1004. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1005. val = 0;
  1006. if ((params->feature_config_flags &
  1007. FEATURE_CONFIG_PFC_ENABLED) ||
  1008. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1009. val = 1;
  1010. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1011. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1012. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1013. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1014. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1015. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1016. vars->mac_type = MAC_TYPE_BMAC;
  1017. return rc;
  1018. }
  1019. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1020. {
  1021. struct bnx2x *bp = params->bp;
  1022. REG_WR(bp, params->shmem_base +
  1023. offsetof(struct shmem_region,
  1024. port_mb[params->port].link_status), link_status);
  1025. }
  1026. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1027. {
  1028. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1029. NIG_REG_INGRESS_BMAC0_MEM;
  1030. u32 wb_data[2];
  1031. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1032. /* Only if the bmac is out of reset */
  1033. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1034. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1035. nig_bmac_enable) {
  1036. if (CHIP_IS_E2(bp)) {
  1037. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1038. REG_RD_DMAE(bp, bmac_addr +
  1039. BIGMAC2_REGISTER_BMAC_CONTROL,
  1040. wb_data, 2);
  1041. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1042. REG_WR_DMAE(bp, bmac_addr +
  1043. BIGMAC2_REGISTER_BMAC_CONTROL,
  1044. wb_data, 2);
  1045. } else {
  1046. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1047. REG_RD_DMAE(bp, bmac_addr +
  1048. BIGMAC_REGISTER_BMAC_CONTROL,
  1049. wb_data, 2);
  1050. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1051. REG_WR_DMAE(bp, bmac_addr +
  1052. BIGMAC_REGISTER_BMAC_CONTROL,
  1053. wb_data, 2);
  1054. }
  1055. msleep(1);
  1056. }
  1057. }
  1058. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1059. u32 line_speed)
  1060. {
  1061. struct bnx2x *bp = params->bp;
  1062. u8 port = params->port;
  1063. u32 init_crd, crd;
  1064. u32 count = 1000;
  1065. /* disable port */
  1066. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1067. /* wait for init credit */
  1068. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1069. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1070. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1071. while ((init_crd != crd) && count) {
  1072. msleep(5);
  1073. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1074. count--;
  1075. }
  1076. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1077. if (init_crd != crd) {
  1078. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1079. init_crd, crd);
  1080. return -EINVAL;
  1081. }
  1082. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1083. line_speed == SPEED_10 ||
  1084. line_speed == SPEED_100 ||
  1085. line_speed == SPEED_1000 ||
  1086. line_speed == SPEED_2500) {
  1087. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1088. /* update threshold */
  1089. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1090. /* update init credit */
  1091. init_crd = 778; /* (800-18-4) */
  1092. } else {
  1093. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1094. ETH_OVREHEAD)/16;
  1095. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1096. /* update threshold */
  1097. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1098. /* update init credit */
  1099. switch (line_speed) {
  1100. case SPEED_10000:
  1101. init_crd = thresh + 553 - 22;
  1102. break;
  1103. case SPEED_12000:
  1104. init_crd = thresh + 664 - 22;
  1105. break;
  1106. case SPEED_13000:
  1107. init_crd = thresh + 742 - 22;
  1108. break;
  1109. case SPEED_16000:
  1110. init_crd = thresh + 778 - 22;
  1111. break;
  1112. default:
  1113. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1114. line_speed);
  1115. return -EINVAL;
  1116. }
  1117. }
  1118. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1119. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1120. line_speed, init_crd);
  1121. /* probe the credit changes */
  1122. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1123. msleep(5);
  1124. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1125. /* enable port */
  1126. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1127. return 0;
  1128. }
  1129. /**
  1130. * bnx2x_get_emac_base - retrive emac base address
  1131. *
  1132. * @bp: driver handle
  1133. * @mdc_mdio_access: access type
  1134. * @port: port id
  1135. *
  1136. * This function selects the MDC/MDIO access (through emac0 or
  1137. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1138. * phy has a default access mode, which could also be overridden
  1139. * by nvram configuration. This parameter, whether this is the
  1140. * default phy configuration, or the nvram overrun
  1141. * configuration, is passed here as mdc_mdio_access and selects
  1142. * the emac_base for the CL45 read/writes operations
  1143. */
  1144. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1145. u32 mdc_mdio_access, u8 port)
  1146. {
  1147. u32 emac_base = 0;
  1148. switch (mdc_mdio_access) {
  1149. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1150. break;
  1151. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1152. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1153. emac_base = GRCBASE_EMAC1;
  1154. else
  1155. emac_base = GRCBASE_EMAC0;
  1156. break;
  1157. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1158. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1159. emac_base = GRCBASE_EMAC0;
  1160. else
  1161. emac_base = GRCBASE_EMAC1;
  1162. break;
  1163. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1164. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1165. break;
  1166. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1167. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1168. break;
  1169. default:
  1170. break;
  1171. }
  1172. return emac_base;
  1173. }
  1174. /******************************************************************/
  1175. /* CL45 access functions */
  1176. /******************************************************************/
  1177. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1178. u8 devad, u16 reg, u16 val)
  1179. {
  1180. u32 tmp, saved_mode;
  1181. u8 i;
  1182. int rc = 0;
  1183. /*
  1184. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1185. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1186. */
  1187. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1188. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1189. EMAC_MDIO_MODE_CLOCK_CNT);
  1190. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1191. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1192. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1193. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1194. udelay(40);
  1195. /* address */
  1196. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1197. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1198. EMAC_MDIO_COMM_START_BUSY);
  1199. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1200. for (i = 0; i < 50; i++) {
  1201. udelay(10);
  1202. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1203. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1204. udelay(5);
  1205. break;
  1206. }
  1207. }
  1208. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1209. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1210. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1211. rc = -EFAULT;
  1212. } else {
  1213. /* data */
  1214. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1215. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1216. EMAC_MDIO_COMM_START_BUSY);
  1217. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1218. for (i = 0; i < 50; i++) {
  1219. udelay(10);
  1220. tmp = REG_RD(bp, phy->mdio_ctrl +
  1221. EMAC_REG_EMAC_MDIO_COMM);
  1222. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1223. udelay(5);
  1224. break;
  1225. }
  1226. }
  1227. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1228. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1229. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1230. rc = -EFAULT;
  1231. }
  1232. }
  1233. /* Restore the saved mode */
  1234. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1235. return rc;
  1236. }
  1237. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1238. u8 devad, u16 reg, u16 *ret_val)
  1239. {
  1240. u32 val, saved_mode;
  1241. u16 i;
  1242. int rc = 0;
  1243. /*
  1244. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1245. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1246. */
  1247. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1248. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1249. EMAC_MDIO_MODE_CLOCK_CNT));
  1250. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1251. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1252. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1253. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1254. udelay(40);
  1255. /* address */
  1256. val = ((phy->addr << 21) | (devad << 16) | reg |
  1257. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1258. EMAC_MDIO_COMM_START_BUSY);
  1259. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1260. for (i = 0; i < 50; i++) {
  1261. udelay(10);
  1262. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1263. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1264. udelay(5);
  1265. break;
  1266. }
  1267. }
  1268. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1269. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1270. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1271. *ret_val = 0;
  1272. rc = -EFAULT;
  1273. } else {
  1274. /* data */
  1275. val = ((phy->addr << 21) | (devad << 16) |
  1276. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1277. EMAC_MDIO_COMM_START_BUSY);
  1278. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1279. for (i = 0; i < 50; i++) {
  1280. udelay(10);
  1281. val = REG_RD(bp, phy->mdio_ctrl +
  1282. EMAC_REG_EMAC_MDIO_COMM);
  1283. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1284. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1285. break;
  1286. }
  1287. }
  1288. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1289. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1290. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1291. *ret_val = 0;
  1292. rc = -EFAULT;
  1293. }
  1294. }
  1295. /* Restore the saved mode */
  1296. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1297. return rc;
  1298. }
  1299. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1300. u8 devad, u16 reg, u16 *ret_val)
  1301. {
  1302. u8 phy_index;
  1303. /*
  1304. * Probe for the phy according to the given phy_addr, and execute
  1305. * the read request on it
  1306. */
  1307. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1308. if (params->phy[phy_index].addr == phy_addr) {
  1309. return bnx2x_cl45_read(params->bp,
  1310. &params->phy[phy_index], devad,
  1311. reg, ret_val);
  1312. }
  1313. }
  1314. return -EINVAL;
  1315. }
  1316. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1317. u8 devad, u16 reg, u16 val)
  1318. {
  1319. u8 phy_index;
  1320. /*
  1321. * Probe for the phy according to the given phy_addr, and execute
  1322. * the write request on it
  1323. */
  1324. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1325. if (params->phy[phy_index].addr == phy_addr) {
  1326. return bnx2x_cl45_write(params->bp,
  1327. &params->phy[phy_index], devad,
  1328. reg, val);
  1329. }
  1330. }
  1331. return -EINVAL;
  1332. }
  1333. static void bnx2x_set_aer_mmd(struct link_params *params,
  1334. struct bnx2x_phy *phy)
  1335. {
  1336. u32 ser_lane;
  1337. u16 offset, aer_val;
  1338. struct bnx2x *bp = params->bp;
  1339. ser_lane = ((params->lane_config &
  1340. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1341. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1342. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  1343. (phy->addr + ser_lane) : 0;
  1344. if (CHIP_IS_E2(bp))
  1345. aer_val = 0x3800 + offset - 1;
  1346. else
  1347. aer_val = 0x3800 + offset;
  1348. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  1349. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1350. MDIO_AER_BLOCK_AER_REG, aer_val);
  1351. }
  1352. /******************************************************************/
  1353. /* Internal phy section */
  1354. /******************************************************************/
  1355. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1356. {
  1357. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1358. /* Set Clause 22 */
  1359. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1360. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1361. udelay(500);
  1362. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1363. udelay(500);
  1364. /* Set Clause 45 */
  1365. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1366. }
  1367. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1368. {
  1369. u32 val;
  1370. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1371. val = SERDES_RESET_BITS << (port*16);
  1372. /* reset and unreset the SerDes/XGXS */
  1373. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1374. udelay(500);
  1375. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1376. bnx2x_set_serdes_access(bp, port);
  1377. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1378. DEFAULT_PHY_DEV_ADDR);
  1379. }
  1380. static void bnx2x_xgxs_deassert(struct link_params *params)
  1381. {
  1382. struct bnx2x *bp = params->bp;
  1383. u8 port;
  1384. u32 val;
  1385. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1386. port = params->port;
  1387. val = XGXS_RESET_BITS << (port*16);
  1388. /* reset and unreset the SerDes/XGXS */
  1389. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1390. udelay(500);
  1391. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1392. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1393. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1394. params->phy[INT_PHY].def_md_devad);
  1395. }
  1396. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1397. struct link_params *params, u16 *ieee_fc)
  1398. {
  1399. struct bnx2x *bp = params->bp;
  1400. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1401. /**
  1402. * resolve pause mode and advertisement Please refer to Table
  1403. * 28B-3 of the 802.3ab-1999 spec
  1404. */
  1405. switch (phy->req_flow_ctrl) {
  1406. case BNX2X_FLOW_CTRL_AUTO:
  1407. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1408. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1409. else
  1410. *ieee_fc |=
  1411. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1412. break;
  1413. case BNX2X_FLOW_CTRL_TX:
  1414. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1415. break;
  1416. case BNX2X_FLOW_CTRL_RX:
  1417. case BNX2X_FLOW_CTRL_BOTH:
  1418. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1419. break;
  1420. case BNX2X_FLOW_CTRL_NONE:
  1421. default:
  1422. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1423. break;
  1424. }
  1425. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1426. }
  1427. static void set_phy_vars(struct link_params *params,
  1428. struct link_vars *vars)
  1429. {
  1430. struct bnx2x *bp = params->bp;
  1431. u8 actual_phy_idx, phy_index, link_cfg_idx;
  1432. u8 phy_config_swapped = params->multi_phy_config &
  1433. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  1434. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1435. phy_index++) {
  1436. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  1437. actual_phy_idx = phy_index;
  1438. if (phy_config_swapped) {
  1439. if (phy_index == EXT_PHY1)
  1440. actual_phy_idx = EXT_PHY2;
  1441. else if (phy_index == EXT_PHY2)
  1442. actual_phy_idx = EXT_PHY1;
  1443. }
  1444. params->phy[actual_phy_idx].req_flow_ctrl =
  1445. params->req_flow_ctrl[link_cfg_idx];
  1446. params->phy[actual_phy_idx].req_line_speed =
  1447. params->req_line_speed[link_cfg_idx];
  1448. params->phy[actual_phy_idx].speed_cap_mask =
  1449. params->speed_cap_mask[link_cfg_idx];
  1450. params->phy[actual_phy_idx].req_duplex =
  1451. params->req_duplex[link_cfg_idx];
  1452. if (params->req_line_speed[link_cfg_idx] ==
  1453. SPEED_AUTO_NEG)
  1454. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  1455. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  1456. " speed_cap_mask %x\n",
  1457. params->phy[actual_phy_idx].req_flow_ctrl,
  1458. params->phy[actual_phy_idx].req_line_speed,
  1459. params->phy[actual_phy_idx].speed_cap_mask);
  1460. }
  1461. }
  1462. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  1463. struct bnx2x_phy *phy,
  1464. struct link_vars *vars)
  1465. {
  1466. u16 val;
  1467. struct bnx2x *bp = params->bp;
  1468. /* read modify write pause advertizing */
  1469. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  1470. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  1471. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  1472. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  1473. if ((vars->ieee_fc &
  1474. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  1475. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  1476. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  1477. }
  1478. if ((vars->ieee_fc &
  1479. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  1480. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  1481. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  1482. }
  1483. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  1484. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  1485. }
  1486. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1487. { /* LD LP */
  1488. switch (pause_result) { /* ASYM P ASYM P */
  1489. case 0xb: /* 1 0 1 1 */
  1490. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1491. break;
  1492. case 0xe: /* 1 1 1 0 */
  1493. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1494. break;
  1495. case 0x5: /* 0 1 0 1 */
  1496. case 0x7: /* 0 1 1 1 */
  1497. case 0xd: /* 1 1 0 1 */
  1498. case 0xf: /* 1 1 1 1 */
  1499. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1500. break;
  1501. default:
  1502. break;
  1503. }
  1504. if (pause_result & (1<<0))
  1505. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1506. if (pause_result & (1<<1))
  1507. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1508. }
  1509. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  1510. struct link_params *params,
  1511. struct link_vars *vars)
  1512. {
  1513. struct bnx2x *bp = params->bp;
  1514. u16 ld_pause; /* local */
  1515. u16 lp_pause; /* link partner */
  1516. u16 pause_result;
  1517. u8 ret = 0;
  1518. /* read twice */
  1519. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1520. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  1521. vars->flow_ctrl = phy->req_flow_ctrl;
  1522. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  1523. vars->flow_ctrl = params->req_fc_auto_adv;
  1524. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  1525. ret = 1;
  1526. bnx2x_cl45_read(bp, phy,
  1527. MDIO_AN_DEVAD,
  1528. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  1529. bnx2x_cl45_read(bp, phy,
  1530. MDIO_AN_DEVAD,
  1531. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  1532. pause_result = (ld_pause &
  1533. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  1534. pause_result |= (lp_pause &
  1535. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  1536. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  1537. pause_result);
  1538. bnx2x_pause_resolve(vars, pause_result);
  1539. }
  1540. return ret;
  1541. }
  1542. void bnx2x_link_status_update(struct link_params *params,
  1543. struct link_vars *vars)
  1544. {
  1545. struct bnx2x *bp = params->bp;
  1546. u8 link_10g;
  1547. u8 port = params->port;
  1548. u32 sync_offset, media_types;
  1549. /* Update PHY configuration */
  1550. set_phy_vars(params, vars);
  1551. vars->link_status = REG_RD(bp, params->shmem_base +
  1552. offsetof(struct shmem_region,
  1553. port_mb[port].link_status));
  1554. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1555. vars->phy_flags = PHY_XGXS_FLAG;
  1556. if (vars->link_up) {
  1557. DP(NETIF_MSG_LINK, "phy link up\n");
  1558. vars->phy_link_up = 1;
  1559. vars->duplex = DUPLEX_FULL;
  1560. switch (vars->link_status &
  1561. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1562. case LINK_10THD:
  1563. vars->duplex = DUPLEX_HALF;
  1564. /* fall thru */
  1565. case LINK_10TFD:
  1566. vars->line_speed = SPEED_10;
  1567. break;
  1568. case LINK_100TXHD:
  1569. vars->duplex = DUPLEX_HALF;
  1570. /* fall thru */
  1571. case LINK_100T4:
  1572. case LINK_100TXFD:
  1573. vars->line_speed = SPEED_100;
  1574. break;
  1575. case LINK_1000THD:
  1576. vars->duplex = DUPLEX_HALF;
  1577. /* fall thru */
  1578. case LINK_1000TFD:
  1579. vars->line_speed = SPEED_1000;
  1580. break;
  1581. case LINK_2500THD:
  1582. vars->duplex = DUPLEX_HALF;
  1583. /* fall thru */
  1584. case LINK_2500TFD:
  1585. vars->line_speed = SPEED_2500;
  1586. break;
  1587. case LINK_10GTFD:
  1588. vars->line_speed = SPEED_10000;
  1589. break;
  1590. case LINK_12GTFD:
  1591. vars->line_speed = SPEED_12000;
  1592. break;
  1593. case LINK_12_5GTFD:
  1594. vars->line_speed = SPEED_12500;
  1595. break;
  1596. case LINK_13GTFD:
  1597. vars->line_speed = SPEED_13000;
  1598. break;
  1599. case LINK_15GTFD:
  1600. vars->line_speed = SPEED_15000;
  1601. break;
  1602. case LINK_16GTFD:
  1603. vars->line_speed = SPEED_16000;
  1604. break;
  1605. default:
  1606. break;
  1607. }
  1608. vars->flow_ctrl = 0;
  1609. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1610. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1611. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1612. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1613. if (!vars->flow_ctrl)
  1614. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1615. if (vars->line_speed &&
  1616. ((vars->line_speed == SPEED_10) ||
  1617. (vars->line_speed == SPEED_100))) {
  1618. vars->phy_flags |= PHY_SGMII_FLAG;
  1619. } else {
  1620. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1621. }
  1622. /* anything 10 and over uses the bmac */
  1623. link_10g = ((vars->line_speed == SPEED_10000) ||
  1624. (vars->line_speed == SPEED_12000) ||
  1625. (vars->line_speed == SPEED_12500) ||
  1626. (vars->line_speed == SPEED_13000) ||
  1627. (vars->line_speed == SPEED_15000) ||
  1628. (vars->line_speed == SPEED_16000));
  1629. if (link_10g)
  1630. vars->mac_type = MAC_TYPE_BMAC;
  1631. else
  1632. vars->mac_type = MAC_TYPE_EMAC;
  1633. } else { /* link down */
  1634. DP(NETIF_MSG_LINK, "phy link down\n");
  1635. vars->phy_link_up = 0;
  1636. vars->line_speed = 0;
  1637. vars->duplex = DUPLEX_FULL;
  1638. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1639. /* indicate no mac active */
  1640. vars->mac_type = MAC_TYPE_NONE;
  1641. }
  1642. /* Sync media type */
  1643. sync_offset = params->shmem_base +
  1644. offsetof(struct shmem_region,
  1645. dev_info.port_hw_config[port].media_type);
  1646. media_types = REG_RD(bp, sync_offset);
  1647. params->phy[INT_PHY].media_type =
  1648. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  1649. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  1650. params->phy[EXT_PHY1].media_type =
  1651. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  1652. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  1653. params->phy[EXT_PHY2].media_type =
  1654. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  1655. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  1656. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  1657. /* Sync AEU offset */
  1658. sync_offset = params->shmem_base +
  1659. offsetof(struct shmem_region,
  1660. dev_info.port_hw_config[port].aeu_int_mask);
  1661. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  1662. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  1663. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  1664. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1665. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1666. }
  1667. static void bnx2x_set_master_ln(struct link_params *params,
  1668. struct bnx2x_phy *phy)
  1669. {
  1670. struct bnx2x *bp = params->bp;
  1671. u16 new_master_ln, ser_lane;
  1672. ser_lane = ((params->lane_config &
  1673. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1674. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1675. /* set the master_ln for AN */
  1676. CL22_RD_OVER_CL45(bp, phy,
  1677. MDIO_REG_BANK_XGXS_BLOCK2,
  1678. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1679. &new_master_ln);
  1680. CL22_WR_OVER_CL45(bp, phy,
  1681. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1682. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1683. (new_master_ln | ser_lane));
  1684. }
  1685. static int bnx2x_reset_unicore(struct link_params *params,
  1686. struct bnx2x_phy *phy,
  1687. u8 set_serdes)
  1688. {
  1689. struct bnx2x *bp = params->bp;
  1690. u16 mii_control;
  1691. u16 i;
  1692. CL22_RD_OVER_CL45(bp, phy,
  1693. MDIO_REG_BANK_COMBO_IEEE0,
  1694. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1695. /* reset the unicore */
  1696. CL22_WR_OVER_CL45(bp, phy,
  1697. MDIO_REG_BANK_COMBO_IEEE0,
  1698. MDIO_COMBO_IEEE0_MII_CONTROL,
  1699. (mii_control |
  1700. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1701. if (set_serdes)
  1702. bnx2x_set_serdes_access(bp, params->port);
  1703. /* wait for the reset to self clear */
  1704. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1705. udelay(5);
  1706. /* the reset erased the previous bank value */
  1707. CL22_RD_OVER_CL45(bp, phy,
  1708. MDIO_REG_BANK_COMBO_IEEE0,
  1709. MDIO_COMBO_IEEE0_MII_CONTROL,
  1710. &mii_control);
  1711. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1712. udelay(5);
  1713. return 0;
  1714. }
  1715. }
  1716. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1717. " Port %d\n",
  1718. params->port);
  1719. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1720. return -EINVAL;
  1721. }
  1722. static void bnx2x_set_swap_lanes(struct link_params *params,
  1723. struct bnx2x_phy *phy)
  1724. {
  1725. struct bnx2x *bp = params->bp;
  1726. /*
  1727. * Each two bits represents a lane number:
  1728. * No swap is 0123 => 0x1b no need to enable the swap
  1729. */
  1730. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1731. ser_lane = ((params->lane_config &
  1732. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1733. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1734. rx_lane_swap = ((params->lane_config &
  1735. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1736. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1737. tx_lane_swap = ((params->lane_config &
  1738. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1739. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1740. if (rx_lane_swap != 0x1b) {
  1741. CL22_WR_OVER_CL45(bp, phy,
  1742. MDIO_REG_BANK_XGXS_BLOCK2,
  1743. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1744. (rx_lane_swap |
  1745. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1746. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1747. } else {
  1748. CL22_WR_OVER_CL45(bp, phy,
  1749. MDIO_REG_BANK_XGXS_BLOCK2,
  1750. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1751. }
  1752. if (tx_lane_swap != 0x1b) {
  1753. CL22_WR_OVER_CL45(bp, phy,
  1754. MDIO_REG_BANK_XGXS_BLOCK2,
  1755. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1756. (tx_lane_swap |
  1757. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1758. } else {
  1759. CL22_WR_OVER_CL45(bp, phy,
  1760. MDIO_REG_BANK_XGXS_BLOCK2,
  1761. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1762. }
  1763. }
  1764. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1765. struct link_params *params)
  1766. {
  1767. struct bnx2x *bp = params->bp;
  1768. u16 control2;
  1769. CL22_RD_OVER_CL45(bp, phy,
  1770. MDIO_REG_BANK_SERDES_DIGITAL,
  1771. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1772. &control2);
  1773. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1774. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1775. else
  1776. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1777. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1778. phy->speed_cap_mask, control2);
  1779. CL22_WR_OVER_CL45(bp, phy,
  1780. MDIO_REG_BANK_SERDES_DIGITAL,
  1781. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1782. control2);
  1783. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1784. (phy->speed_cap_mask &
  1785. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1786. DP(NETIF_MSG_LINK, "XGXS\n");
  1787. CL22_WR_OVER_CL45(bp, phy,
  1788. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1789. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1790. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1791. CL22_RD_OVER_CL45(bp, phy,
  1792. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1793. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1794. &control2);
  1795. control2 |=
  1796. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1797. CL22_WR_OVER_CL45(bp, phy,
  1798. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1799. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1800. control2);
  1801. /* Disable parallel detection of HiG */
  1802. CL22_WR_OVER_CL45(bp, phy,
  1803. MDIO_REG_BANK_XGXS_BLOCK2,
  1804. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1805. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1806. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1807. }
  1808. }
  1809. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1810. struct link_params *params,
  1811. struct link_vars *vars,
  1812. u8 enable_cl73)
  1813. {
  1814. struct bnx2x *bp = params->bp;
  1815. u16 reg_val;
  1816. /* CL37 Autoneg */
  1817. CL22_RD_OVER_CL45(bp, phy,
  1818. MDIO_REG_BANK_COMBO_IEEE0,
  1819. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1820. /* CL37 Autoneg Enabled */
  1821. if (vars->line_speed == SPEED_AUTO_NEG)
  1822. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1823. else /* CL37 Autoneg Disabled */
  1824. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1825. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1826. CL22_WR_OVER_CL45(bp, phy,
  1827. MDIO_REG_BANK_COMBO_IEEE0,
  1828. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1829. /* Enable/Disable Autodetection */
  1830. CL22_RD_OVER_CL45(bp, phy,
  1831. MDIO_REG_BANK_SERDES_DIGITAL,
  1832. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1833. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1834. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1835. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1836. if (vars->line_speed == SPEED_AUTO_NEG)
  1837. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1838. else
  1839. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1840. CL22_WR_OVER_CL45(bp, phy,
  1841. MDIO_REG_BANK_SERDES_DIGITAL,
  1842. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1843. /* Enable TetonII and BAM autoneg */
  1844. CL22_RD_OVER_CL45(bp, phy,
  1845. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1846. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1847. &reg_val);
  1848. if (vars->line_speed == SPEED_AUTO_NEG) {
  1849. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1850. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1851. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1852. } else {
  1853. /* TetonII and BAM Autoneg Disabled */
  1854. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1855. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1856. }
  1857. CL22_WR_OVER_CL45(bp, phy,
  1858. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1859. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1860. reg_val);
  1861. if (enable_cl73) {
  1862. /* Enable Cl73 FSM status bits */
  1863. CL22_WR_OVER_CL45(bp, phy,
  1864. MDIO_REG_BANK_CL73_USERB0,
  1865. MDIO_CL73_USERB0_CL73_UCTRL,
  1866. 0xe);
  1867. /* Enable BAM Station Manager*/
  1868. CL22_WR_OVER_CL45(bp, phy,
  1869. MDIO_REG_BANK_CL73_USERB0,
  1870. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1871. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1872. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1873. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1874. /* Advertise CL73 link speeds */
  1875. CL22_RD_OVER_CL45(bp, phy,
  1876. MDIO_REG_BANK_CL73_IEEEB1,
  1877. MDIO_CL73_IEEEB1_AN_ADV2,
  1878. &reg_val);
  1879. if (phy->speed_cap_mask &
  1880. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1881. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1882. if (phy->speed_cap_mask &
  1883. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1884. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1885. CL22_WR_OVER_CL45(bp, phy,
  1886. MDIO_REG_BANK_CL73_IEEEB1,
  1887. MDIO_CL73_IEEEB1_AN_ADV2,
  1888. reg_val);
  1889. /* CL73 Autoneg Enabled */
  1890. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1891. } else /* CL73 Autoneg Disabled */
  1892. reg_val = 0;
  1893. CL22_WR_OVER_CL45(bp, phy,
  1894. MDIO_REG_BANK_CL73_IEEEB0,
  1895. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1896. }
  1897. /* program SerDes, forced speed */
  1898. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1899. struct link_params *params,
  1900. struct link_vars *vars)
  1901. {
  1902. struct bnx2x *bp = params->bp;
  1903. u16 reg_val;
  1904. /* program duplex, disable autoneg and sgmii*/
  1905. CL22_RD_OVER_CL45(bp, phy,
  1906. MDIO_REG_BANK_COMBO_IEEE0,
  1907. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1908. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1909. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1910. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1911. if (phy->req_duplex == DUPLEX_FULL)
  1912. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1913. CL22_WR_OVER_CL45(bp, phy,
  1914. MDIO_REG_BANK_COMBO_IEEE0,
  1915. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1916. /*
  1917. * program speed
  1918. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1919. */
  1920. CL22_RD_OVER_CL45(bp, phy,
  1921. MDIO_REG_BANK_SERDES_DIGITAL,
  1922. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1923. /* clearing the speed value before setting the right speed */
  1924. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1925. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1926. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1927. if (!((vars->line_speed == SPEED_1000) ||
  1928. (vars->line_speed == SPEED_100) ||
  1929. (vars->line_speed == SPEED_10))) {
  1930. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1931. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1932. if (vars->line_speed == SPEED_10000)
  1933. reg_val |=
  1934. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1935. if (vars->line_speed == SPEED_13000)
  1936. reg_val |=
  1937. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1938. }
  1939. CL22_WR_OVER_CL45(bp, phy,
  1940. MDIO_REG_BANK_SERDES_DIGITAL,
  1941. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1942. }
  1943. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  1944. struct link_params *params)
  1945. {
  1946. struct bnx2x *bp = params->bp;
  1947. u16 val = 0;
  1948. /* configure the 48 bits for BAM AN */
  1949. /* set extended capabilities */
  1950. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1951. val |= MDIO_OVER_1G_UP1_2_5G;
  1952. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1953. val |= MDIO_OVER_1G_UP1_10G;
  1954. CL22_WR_OVER_CL45(bp, phy,
  1955. MDIO_REG_BANK_OVER_1G,
  1956. MDIO_OVER_1G_UP1, val);
  1957. CL22_WR_OVER_CL45(bp, phy,
  1958. MDIO_REG_BANK_OVER_1G,
  1959. MDIO_OVER_1G_UP3, 0x400);
  1960. }
  1961. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  1962. struct link_params *params,
  1963. u16 ieee_fc)
  1964. {
  1965. struct bnx2x *bp = params->bp;
  1966. u16 val;
  1967. /* for AN, we are always publishing full duplex */
  1968. CL22_WR_OVER_CL45(bp, phy,
  1969. MDIO_REG_BANK_COMBO_IEEE0,
  1970. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1971. CL22_RD_OVER_CL45(bp, phy,
  1972. MDIO_REG_BANK_CL73_IEEEB1,
  1973. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1974. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1975. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1976. CL22_WR_OVER_CL45(bp, phy,
  1977. MDIO_REG_BANK_CL73_IEEEB1,
  1978. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1979. }
  1980. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1981. struct link_params *params,
  1982. u8 enable_cl73)
  1983. {
  1984. struct bnx2x *bp = params->bp;
  1985. u16 mii_control;
  1986. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1987. /* Enable and restart BAM/CL37 aneg */
  1988. if (enable_cl73) {
  1989. CL22_RD_OVER_CL45(bp, phy,
  1990. MDIO_REG_BANK_CL73_IEEEB0,
  1991. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1992. &mii_control);
  1993. CL22_WR_OVER_CL45(bp, phy,
  1994. MDIO_REG_BANK_CL73_IEEEB0,
  1995. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1996. (mii_control |
  1997. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1998. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1999. } else {
  2000. CL22_RD_OVER_CL45(bp, phy,
  2001. MDIO_REG_BANK_COMBO_IEEE0,
  2002. MDIO_COMBO_IEEE0_MII_CONTROL,
  2003. &mii_control);
  2004. DP(NETIF_MSG_LINK,
  2005. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  2006. mii_control);
  2007. CL22_WR_OVER_CL45(bp, phy,
  2008. MDIO_REG_BANK_COMBO_IEEE0,
  2009. MDIO_COMBO_IEEE0_MII_CONTROL,
  2010. (mii_control |
  2011. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2012. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  2013. }
  2014. }
  2015. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  2016. struct link_params *params,
  2017. struct link_vars *vars)
  2018. {
  2019. struct bnx2x *bp = params->bp;
  2020. u16 control1;
  2021. /* in SGMII mode, the unicore is always slave */
  2022. CL22_RD_OVER_CL45(bp, phy,
  2023. MDIO_REG_BANK_SERDES_DIGITAL,
  2024. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2025. &control1);
  2026. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  2027. /* set sgmii mode (and not fiber) */
  2028. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  2029. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  2030. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  2031. CL22_WR_OVER_CL45(bp, phy,
  2032. MDIO_REG_BANK_SERDES_DIGITAL,
  2033. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2034. control1);
  2035. /* if forced speed */
  2036. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  2037. /* set speed, disable autoneg */
  2038. u16 mii_control;
  2039. CL22_RD_OVER_CL45(bp, phy,
  2040. MDIO_REG_BANK_COMBO_IEEE0,
  2041. MDIO_COMBO_IEEE0_MII_CONTROL,
  2042. &mii_control);
  2043. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2044. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  2045. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  2046. switch (vars->line_speed) {
  2047. case SPEED_100:
  2048. mii_control |=
  2049. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  2050. break;
  2051. case SPEED_1000:
  2052. mii_control |=
  2053. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  2054. break;
  2055. case SPEED_10:
  2056. /* there is nothing to set for 10M */
  2057. break;
  2058. default:
  2059. /* invalid speed for SGMII */
  2060. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2061. vars->line_speed);
  2062. break;
  2063. }
  2064. /* setting the full duplex */
  2065. if (phy->req_duplex == DUPLEX_FULL)
  2066. mii_control |=
  2067. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  2068. CL22_WR_OVER_CL45(bp, phy,
  2069. MDIO_REG_BANK_COMBO_IEEE0,
  2070. MDIO_COMBO_IEEE0_MII_CONTROL,
  2071. mii_control);
  2072. } else { /* AN mode */
  2073. /* enable and restart AN */
  2074. bnx2x_restart_autoneg(phy, params, 0);
  2075. }
  2076. }
  2077. /*
  2078. * link management
  2079. */
  2080. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  2081. struct link_params *params)
  2082. {
  2083. struct bnx2x *bp = params->bp;
  2084. u16 pd_10g, status2_1000x;
  2085. if (phy->req_line_speed != SPEED_AUTO_NEG)
  2086. return 0;
  2087. CL22_RD_OVER_CL45(bp, phy,
  2088. MDIO_REG_BANK_SERDES_DIGITAL,
  2089. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2090. &status2_1000x);
  2091. CL22_RD_OVER_CL45(bp, phy,
  2092. MDIO_REG_BANK_SERDES_DIGITAL,
  2093. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2094. &status2_1000x);
  2095. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  2096. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2097. params->port);
  2098. return 1;
  2099. }
  2100. CL22_RD_OVER_CL45(bp, phy,
  2101. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2102. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2103. &pd_10g);
  2104. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2105. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2106. params->port);
  2107. return 1;
  2108. }
  2109. return 0;
  2110. }
  2111. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2112. struct link_params *params,
  2113. struct link_vars *vars,
  2114. u32 gp_status)
  2115. {
  2116. struct bnx2x *bp = params->bp;
  2117. u16 ld_pause; /* local driver */
  2118. u16 lp_pause; /* link partner */
  2119. u16 pause_result;
  2120. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2121. /* resolve from gp_status in case of AN complete and not sgmii */
  2122. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2123. vars->flow_ctrl = phy->req_flow_ctrl;
  2124. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2125. vars->flow_ctrl = params->req_fc_auto_adv;
  2126. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2127. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2128. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2129. vars->flow_ctrl = params->req_fc_auto_adv;
  2130. return;
  2131. }
  2132. if ((gp_status &
  2133. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2134. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2135. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2136. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2137. CL22_RD_OVER_CL45(bp, phy,
  2138. MDIO_REG_BANK_CL73_IEEEB1,
  2139. MDIO_CL73_IEEEB1_AN_ADV1,
  2140. &ld_pause);
  2141. CL22_RD_OVER_CL45(bp, phy,
  2142. MDIO_REG_BANK_CL73_IEEEB1,
  2143. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2144. &lp_pause);
  2145. pause_result = (ld_pause &
  2146. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2147. >> 8;
  2148. pause_result |= (lp_pause &
  2149. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2150. >> 10;
  2151. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2152. pause_result);
  2153. } else {
  2154. CL22_RD_OVER_CL45(bp, phy,
  2155. MDIO_REG_BANK_COMBO_IEEE0,
  2156. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2157. &ld_pause);
  2158. CL22_RD_OVER_CL45(bp, phy,
  2159. MDIO_REG_BANK_COMBO_IEEE0,
  2160. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2161. &lp_pause);
  2162. pause_result = (ld_pause &
  2163. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2164. pause_result |= (lp_pause &
  2165. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2166. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2167. pause_result);
  2168. }
  2169. bnx2x_pause_resolve(vars, pause_result);
  2170. }
  2171. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2172. }
  2173. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2174. struct link_params *params)
  2175. {
  2176. struct bnx2x *bp = params->bp;
  2177. u16 rx_status, ustat_val, cl37_fsm_received;
  2178. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2179. /* Step 1: Make sure signal is detected */
  2180. CL22_RD_OVER_CL45(bp, phy,
  2181. MDIO_REG_BANK_RX0,
  2182. MDIO_RX0_RX_STATUS,
  2183. &rx_status);
  2184. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2185. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2186. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2187. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2188. CL22_WR_OVER_CL45(bp, phy,
  2189. MDIO_REG_BANK_CL73_IEEEB0,
  2190. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2191. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2192. return;
  2193. }
  2194. /* Step 2: Check CL73 state machine */
  2195. CL22_RD_OVER_CL45(bp, phy,
  2196. MDIO_REG_BANK_CL73_USERB0,
  2197. MDIO_CL73_USERB0_CL73_USTAT1,
  2198. &ustat_val);
  2199. if ((ustat_val &
  2200. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2201. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2202. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2203. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2204. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2205. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2206. return;
  2207. }
  2208. /*
  2209. * Step 3: Check CL37 Message Pages received to indicate LP
  2210. * supports only CL37
  2211. */
  2212. CL22_RD_OVER_CL45(bp, phy,
  2213. MDIO_REG_BANK_REMOTE_PHY,
  2214. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2215. &cl37_fsm_received);
  2216. if ((cl37_fsm_received &
  2217. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2218. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2219. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2220. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2221. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2222. "misc_rx_status(0x8330) = 0x%x\n",
  2223. cl37_fsm_received);
  2224. return;
  2225. }
  2226. /*
  2227. * The combined cl37/cl73 fsm state information indicating that
  2228. * we are connected to a device which does not support cl73, but
  2229. * does support cl37 BAM. In this case we disable cl73 and
  2230. * restart cl37 auto-neg
  2231. */
  2232. /* Disable CL73 */
  2233. CL22_WR_OVER_CL45(bp, phy,
  2234. MDIO_REG_BANK_CL73_IEEEB0,
  2235. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2236. 0);
  2237. /* Restart CL37 autoneg */
  2238. bnx2x_restart_autoneg(phy, params, 0);
  2239. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2240. }
  2241. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2242. struct link_params *params,
  2243. struct link_vars *vars,
  2244. u32 gp_status)
  2245. {
  2246. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2247. vars->link_status |=
  2248. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2249. if (bnx2x_direct_parallel_detect_used(phy, params))
  2250. vars->link_status |=
  2251. LINK_STATUS_PARALLEL_DETECTION_USED;
  2252. }
  2253. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2254. struct link_params *params,
  2255. struct link_vars *vars)
  2256. {
  2257. struct bnx2x *bp = params->bp;
  2258. u16 new_line_speed, gp_status;
  2259. int rc = 0;
  2260. /* Read gp_status */
  2261. CL22_RD_OVER_CL45(bp, phy,
  2262. MDIO_REG_BANK_GP_STATUS,
  2263. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2264. &gp_status);
  2265. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2266. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2267. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2268. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2269. gp_status);
  2270. vars->phy_link_up = 1;
  2271. vars->link_status |= LINK_STATUS_LINK_UP;
  2272. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2273. vars->duplex = DUPLEX_FULL;
  2274. else
  2275. vars->duplex = DUPLEX_HALF;
  2276. if (SINGLE_MEDIA_DIRECT(params)) {
  2277. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2278. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2279. bnx2x_xgxs_an_resolve(phy, params, vars,
  2280. gp_status);
  2281. }
  2282. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2283. case GP_STATUS_10M:
  2284. new_line_speed = SPEED_10;
  2285. if (vars->duplex == DUPLEX_FULL)
  2286. vars->link_status |= LINK_10TFD;
  2287. else
  2288. vars->link_status |= LINK_10THD;
  2289. break;
  2290. case GP_STATUS_100M:
  2291. new_line_speed = SPEED_100;
  2292. if (vars->duplex == DUPLEX_FULL)
  2293. vars->link_status |= LINK_100TXFD;
  2294. else
  2295. vars->link_status |= LINK_100TXHD;
  2296. break;
  2297. case GP_STATUS_1G:
  2298. case GP_STATUS_1G_KX:
  2299. new_line_speed = SPEED_1000;
  2300. if (vars->duplex == DUPLEX_FULL)
  2301. vars->link_status |= LINK_1000TFD;
  2302. else
  2303. vars->link_status |= LINK_1000THD;
  2304. break;
  2305. case GP_STATUS_2_5G:
  2306. new_line_speed = SPEED_2500;
  2307. if (vars->duplex == DUPLEX_FULL)
  2308. vars->link_status |= LINK_2500TFD;
  2309. else
  2310. vars->link_status |= LINK_2500THD;
  2311. break;
  2312. case GP_STATUS_5G:
  2313. case GP_STATUS_6G:
  2314. DP(NETIF_MSG_LINK,
  2315. "link speed unsupported gp_status 0x%x\n",
  2316. gp_status);
  2317. return -EINVAL;
  2318. case GP_STATUS_10G_KX4:
  2319. case GP_STATUS_10G_HIG:
  2320. case GP_STATUS_10G_CX4:
  2321. new_line_speed = SPEED_10000;
  2322. vars->link_status |= LINK_10GTFD;
  2323. break;
  2324. case GP_STATUS_12G_HIG:
  2325. new_line_speed = SPEED_12000;
  2326. vars->link_status |= LINK_12GTFD;
  2327. break;
  2328. case GP_STATUS_12_5G:
  2329. new_line_speed = SPEED_12500;
  2330. vars->link_status |= LINK_12_5GTFD;
  2331. break;
  2332. case GP_STATUS_13G:
  2333. new_line_speed = SPEED_13000;
  2334. vars->link_status |= LINK_13GTFD;
  2335. break;
  2336. case GP_STATUS_15G:
  2337. new_line_speed = SPEED_15000;
  2338. vars->link_status |= LINK_15GTFD;
  2339. break;
  2340. case GP_STATUS_16G:
  2341. new_line_speed = SPEED_16000;
  2342. vars->link_status |= LINK_16GTFD;
  2343. break;
  2344. default:
  2345. DP(NETIF_MSG_LINK,
  2346. "link speed unsupported gp_status 0x%x\n",
  2347. gp_status);
  2348. return -EINVAL;
  2349. }
  2350. vars->line_speed = new_line_speed;
  2351. } else { /* link_down */
  2352. DP(NETIF_MSG_LINK, "phy link down\n");
  2353. vars->phy_link_up = 0;
  2354. vars->duplex = DUPLEX_FULL;
  2355. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2356. vars->mac_type = MAC_TYPE_NONE;
  2357. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2358. SINGLE_MEDIA_DIRECT(params)) {
  2359. /* Check signal is detected */
  2360. bnx2x_check_fallback_to_cl37(phy, params);
  2361. }
  2362. }
  2363. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2364. gp_status, vars->phy_link_up, vars->line_speed);
  2365. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2366. vars->duplex, vars->flow_ctrl, vars->link_status);
  2367. return rc;
  2368. }
  2369. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2370. {
  2371. struct bnx2x *bp = params->bp;
  2372. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2373. u16 lp_up2;
  2374. u16 tx_driver;
  2375. u16 bank;
  2376. /* read precomp */
  2377. CL22_RD_OVER_CL45(bp, phy,
  2378. MDIO_REG_BANK_OVER_1G,
  2379. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2380. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2381. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2382. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2383. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2384. if (lp_up2 == 0)
  2385. return;
  2386. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2387. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2388. CL22_RD_OVER_CL45(bp, phy,
  2389. bank,
  2390. MDIO_TX0_TX_DRIVER, &tx_driver);
  2391. /* replace tx_driver bits [15:12] */
  2392. if (lp_up2 !=
  2393. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2394. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2395. tx_driver |= lp_up2;
  2396. CL22_WR_OVER_CL45(bp, phy,
  2397. bank,
  2398. MDIO_TX0_TX_DRIVER, tx_driver);
  2399. }
  2400. }
  2401. }
  2402. static int bnx2x_emac_program(struct link_params *params,
  2403. struct link_vars *vars)
  2404. {
  2405. struct bnx2x *bp = params->bp;
  2406. u8 port = params->port;
  2407. u16 mode = 0;
  2408. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2409. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2410. EMAC_REG_EMAC_MODE,
  2411. (EMAC_MODE_25G_MODE |
  2412. EMAC_MODE_PORT_MII_10M |
  2413. EMAC_MODE_HALF_DUPLEX));
  2414. switch (vars->line_speed) {
  2415. case SPEED_10:
  2416. mode |= EMAC_MODE_PORT_MII_10M;
  2417. break;
  2418. case SPEED_100:
  2419. mode |= EMAC_MODE_PORT_MII;
  2420. break;
  2421. case SPEED_1000:
  2422. mode |= EMAC_MODE_PORT_GMII;
  2423. break;
  2424. case SPEED_2500:
  2425. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2426. break;
  2427. default:
  2428. /* 10G not valid for EMAC */
  2429. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2430. vars->line_speed);
  2431. return -EINVAL;
  2432. }
  2433. if (vars->duplex == DUPLEX_HALF)
  2434. mode |= EMAC_MODE_HALF_DUPLEX;
  2435. bnx2x_bits_en(bp,
  2436. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2437. mode);
  2438. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2439. return 0;
  2440. }
  2441. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2442. struct link_params *params)
  2443. {
  2444. u16 bank, i = 0;
  2445. struct bnx2x *bp = params->bp;
  2446. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2447. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2448. CL22_WR_OVER_CL45(bp, phy,
  2449. bank,
  2450. MDIO_RX0_RX_EQ_BOOST,
  2451. phy->rx_preemphasis[i]);
  2452. }
  2453. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2454. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2455. CL22_WR_OVER_CL45(bp, phy,
  2456. bank,
  2457. MDIO_TX0_TX_DRIVER,
  2458. phy->tx_preemphasis[i]);
  2459. }
  2460. }
  2461. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  2462. struct link_params *params,
  2463. struct link_vars *vars)
  2464. {
  2465. struct bnx2x *bp = params->bp;
  2466. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2467. (params->loopback_mode == LOOPBACK_XGXS));
  2468. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2469. if (SINGLE_MEDIA_DIRECT(params) &&
  2470. (params->feature_config_flags &
  2471. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2472. bnx2x_set_preemphasis(phy, params);
  2473. /* forced speed requested? */
  2474. if (vars->line_speed != SPEED_AUTO_NEG ||
  2475. (SINGLE_MEDIA_DIRECT(params) &&
  2476. params->loopback_mode == LOOPBACK_EXT)) {
  2477. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2478. /* disable autoneg */
  2479. bnx2x_set_autoneg(phy, params, vars, 0);
  2480. /* program speed and duplex */
  2481. bnx2x_program_serdes(phy, params, vars);
  2482. } else { /* AN_mode */
  2483. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2484. /* AN enabled */
  2485. bnx2x_set_brcm_cl37_advertisement(phy, params);
  2486. /* program duplex & pause advertisement (for aneg) */
  2487. bnx2x_set_ieee_aneg_advertisement(phy, params,
  2488. vars->ieee_fc);
  2489. /* enable autoneg */
  2490. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2491. /* enable and restart AN */
  2492. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2493. }
  2494. } else { /* SGMII mode */
  2495. DP(NETIF_MSG_LINK, "SGMII\n");
  2496. bnx2x_initialize_sgmii_process(phy, params, vars);
  2497. }
  2498. }
  2499. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  2500. struct link_params *params,
  2501. struct link_vars *vars)
  2502. {
  2503. int rc;
  2504. vars->phy_flags |= PHY_XGXS_FLAG;
  2505. if ((phy->req_line_speed &&
  2506. ((phy->req_line_speed == SPEED_100) ||
  2507. (phy->req_line_speed == SPEED_10))) ||
  2508. (!phy->req_line_speed &&
  2509. (phy->speed_cap_mask >=
  2510. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2511. (phy->speed_cap_mask <
  2512. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  2513. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  2514. vars->phy_flags |= PHY_SGMII_FLAG;
  2515. else
  2516. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2517. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2518. bnx2x_set_aer_mmd(params, phy);
  2519. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  2520. bnx2x_set_master_ln(params, phy);
  2521. rc = bnx2x_reset_unicore(params, phy, 0);
  2522. /* reset the SerDes and wait for reset bit return low */
  2523. if (rc != 0)
  2524. return rc;
  2525. bnx2x_set_aer_mmd(params, phy);
  2526. /* setting the masterLn_def again after the reset */
  2527. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  2528. bnx2x_set_master_ln(params, phy);
  2529. bnx2x_set_swap_lanes(params, phy);
  2530. }
  2531. return rc;
  2532. }
  2533. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2534. struct bnx2x_phy *phy,
  2535. struct link_params *params)
  2536. {
  2537. u16 cnt, ctrl;
  2538. /* Wait for soft reset to get cleared up to 1 sec */
  2539. for (cnt = 0; cnt < 1000; cnt++) {
  2540. bnx2x_cl45_read(bp, phy,
  2541. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2542. if (!(ctrl & (1<<15)))
  2543. break;
  2544. msleep(1);
  2545. }
  2546. if (cnt == 1000)
  2547. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2548. " Port %d\n",
  2549. params->port);
  2550. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2551. return cnt;
  2552. }
  2553. static void bnx2x_link_int_enable(struct link_params *params)
  2554. {
  2555. u8 port = params->port;
  2556. u32 mask;
  2557. struct bnx2x *bp = params->bp;
  2558. /* Setting the status to report on link up for either XGXS or SerDes */
  2559. if (params->switch_cfg == SWITCH_CFG_10G) {
  2560. mask = (NIG_MASK_XGXS0_LINK10G |
  2561. NIG_MASK_XGXS0_LINK_STATUS);
  2562. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2563. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2564. params->phy[INT_PHY].type !=
  2565. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2566. mask |= NIG_MASK_MI_INT;
  2567. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2568. }
  2569. } else { /* SerDes */
  2570. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2571. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2572. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2573. params->phy[INT_PHY].type !=
  2574. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2575. mask |= NIG_MASK_MI_INT;
  2576. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2577. }
  2578. }
  2579. bnx2x_bits_en(bp,
  2580. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2581. mask);
  2582. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2583. (params->switch_cfg == SWITCH_CFG_10G),
  2584. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2585. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2586. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2587. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2588. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2589. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2590. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2591. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2592. }
  2593. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2594. u8 exp_mi_int)
  2595. {
  2596. u32 latch_status = 0;
  2597. /*
  2598. * Disable the MI INT ( external phy int ) by writing 1 to the
  2599. * status register. Link down indication is high-active-signal,
  2600. * so in this case we need to write the status to clear the XOR
  2601. */
  2602. /* Read Latched signals */
  2603. latch_status = REG_RD(bp,
  2604. NIG_REG_LATCH_STATUS_0 + port*8);
  2605. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2606. /* Handle only those with latched-signal=up.*/
  2607. if (exp_mi_int)
  2608. bnx2x_bits_en(bp,
  2609. NIG_REG_STATUS_INTERRUPT_PORT0
  2610. + port*4,
  2611. NIG_STATUS_EMAC0_MI_INT);
  2612. else
  2613. bnx2x_bits_dis(bp,
  2614. NIG_REG_STATUS_INTERRUPT_PORT0
  2615. + port*4,
  2616. NIG_STATUS_EMAC0_MI_INT);
  2617. if (latch_status & 1) {
  2618. /* For all latched-signal=up : Re-Arm Latch signals */
  2619. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2620. (latch_status & 0xfffe) | (latch_status & 1));
  2621. }
  2622. /* For all latched-signal=up,Write original_signal to status */
  2623. }
  2624. static void bnx2x_link_int_ack(struct link_params *params,
  2625. struct link_vars *vars, u8 is_10g)
  2626. {
  2627. struct bnx2x *bp = params->bp;
  2628. u8 port = params->port;
  2629. /*
  2630. * First reset all status we assume only one line will be
  2631. * change at a time
  2632. */
  2633. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2634. (NIG_STATUS_XGXS0_LINK10G |
  2635. NIG_STATUS_XGXS0_LINK_STATUS |
  2636. NIG_STATUS_SERDES0_LINK_STATUS));
  2637. if (vars->phy_link_up) {
  2638. if (is_10g) {
  2639. /*
  2640. * Disable the 10G link interrupt by writing 1 to the
  2641. * status register
  2642. */
  2643. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2644. bnx2x_bits_en(bp,
  2645. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2646. NIG_STATUS_XGXS0_LINK10G);
  2647. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2648. /*
  2649. * Disable the link interrupt by writing 1 to the
  2650. * relevant lane in the status register
  2651. */
  2652. u32 ser_lane = ((params->lane_config &
  2653. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2654. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2655. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2656. vars->line_speed);
  2657. bnx2x_bits_en(bp,
  2658. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2659. ((1 << ser_lane) <<
  2660. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2661. } else { /* SerDes */
  2662. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2663. /*
  2664. * Disable the link interrupt by writing 1 to the status
  2665. * register
  2666. */
  2667. bnx2x_bits_en(bp,
  2668. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2669. NIG_STATUS_SERDES0_LINK_STATUS);
  2670. }
  2671. }
  2672. }
  2673. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2674. {
  2675. u8 *str_ptr = str;
  2676. u32 mask = 0xf0000000;
  2677. u8 shift = 8*4;
  2678. u8 digit;
  2679. u8 remove_leading_zeros = 1;
  2680. if (*len < 10) {
  2681. /* Need more than 10chars for this format */
  2682. *str_ptr = '\0';
  2683. (*len)--;
  2684. return -EINVAL;
  2685. }
  2686. while (shift > 0) {
  2687. shift -= 4;
  2688. digit = ((num & mask) >> shift);
  2689. if (digit == 0 && remove_leading_zeros) {
  2690. mask = mask >> 4;
  2691. continue;
  2692. } else if (digit < 0xa)
  2693. *str_ptr = digit + '0';
  2694. else
  2695. *str_ptr = digit - 0xa + 'a';
  2696. remove_leading_zeros = 0;
  2697. str_ptr++;
  2698. (*len)--;
  2699. mask = mask >> 4;
  2700. if (shift == 4*4) {
  2701. *str_ptr = '.';
  2702. str_ptr++;
  2703. (*len)--;
  2704. remove_leading_zeros = 1;
  2705. }
  2706. }
  2707. return 0;
  2708. }
  2709. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2710. {
  2711. str[0] = '\0';
  2712. (*len)--;
  2713. return 0;
  2714. }
  2715. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2716. u8 *version, u16 len)
  2717. {
  2718. struct bnx2x *bp;
  2719. u32 spirom_ver = 0;
  2720. int status = 0;
  2721. u8 *ver_p = version;
  2722. u16 remain_len = len;
  2723. if (version == NULL || params == NULL)
  2724. return -EINVAL;
  2725. bp = params->bp;
  2726. /* Extract first external phy*/
  2727. version[0] = '\0';
  2728. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2729. if (params->phy[EXT_PHY1].format_fw_ver) {
  2730. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2731. ver_p,
  2732. &remain_len);
  2733. ver_p += (len - remain_len);
  2734. }
  2735. if ((params->num_phys == MAX_PHYS) &&
  2736. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2737. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2738. if (params->phy[EXT_PHY2].format_fw_ver) {
  2739. *ver_p = '/';
  2740. ver_p++;
  2741. remain_len--;
  2742. status |= params->phy[EXT_PHY2].format_fw_ver(
  2743. spirom_ver,
  2744. ver_p,
  2745. &remain_len);
  2746. ver_p = version + (len - remain_len);
  2747. }
  2748. }
  2749. *ver_p = '\0';
  2750. return status;
  2751. }
  2752. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2753. struct link_params *params)
  2754. {
  2755. u8 port = params->port;
  2756. struct bnx2x *bp = params->bp;
  2757. if (phy->req_line_speed != SPEED_1000) {
  2758. u32 md_devad;
  2759. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2760. /* change the uni_phy_addr in the nig */
  2761. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2762. port*0x18));
  2763. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2764. bnx2x_cl45_write(bp, phy,
  2765. 5,
  2766. (MDIO_REG_BANK_AER_BLOCK +
  2767. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2768. 0x2800);
  2769. bnx2x_cl45_write(bp, phy,
  2770. 5,
  2771. (MDIO_REG_BANK_CL73_IEEEB0 +
  2772. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2773. 0x6041);
  2774. msleep(200);
  2775. /* set aer mmd back */
  2776. bnx2x_set_aer_mmd(params, phy);
  2777. /* and md_devad */
  2778. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2779. } else {
  2780. u16 mii_ctrl;
  2781. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2782. bnx2x_cl45_read(bp, phy, 5,
  2783. (MDIO_REG_BANK_COMBO_IEEE0 +
  2784. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2785. &mii_ctrl);
  2786. bnx2x_cl45_write(bp, phy, 5,
  2787. (MDIO_REG_BANK_COMBO_IEEE0 +
  2788. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2789. mii_ctrl |
  2790. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2791. }
  2792. }
  2793. int bnx2x_set_led(struct link_params *params,
  2794. struct link_vars *vars, u8 mode, u32 speed)
  2795. {
  2796. u8 port = params->port;
  2797. u16 hw_led_mode = params->hw_led_mode;
  2798. int rc = 0;
  2799. u8 phy_idx;
  2800. u32 tmp;
  2801. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2802. struct bnx2x *bp = params->bp;
  2803. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2804. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2805. speed, hw_led_mode);
  2806. /* In case */
  2807. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2808. if (params->phy[phy_idx].set_link_led) {
  2809. params->phy[phy_idx].set_link_led(
  2810. &params->phy[phy_idx], params, mode);
  2811. }
  2812. }
  2813. switch (mode) {
  2814. case LED_MODE_FRONT_PANEL_OFF:
  2815. case LED_MODE_OFF:
  2816. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2817. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2818. SHARED_HW_CFG_LED_MAC1);
  2819. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2820. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2821. break;
  2822. case LED_MODE_OPER:
  2823. /*
  2824. * For all other phys, OPER mode is same as ON, so in case
  2825. * link is down, do nothing
  2826. */
  2827. if (!vars->link_up)
  2828. break;
  2829. case LED_MODE_ON:
  2830. if (((params->phy[EXT_PHY1].type ==
  2831. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2832. (params->phy[EXT_PHY1].type ==
  2833. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2834. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2835. /*
  2836. * This is a work-around for E2+8727 Configurations
  2837. */
  2838. if (mode == LED_MODE_ON ||
  2839. speed == SPEED_10000){
  2840. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2841. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2842. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2843. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2844. (tmp | EMAC_LED_OVERRIDE));
  2845. return rc;
  2846. }
  2847. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2848. /*
  2849. * This is a work-around for HW issue found when link
  2850. * is up in CL73
  2851. */
  2852. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2853. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2854. } else {
  2855. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2856. }
  2857. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2858. /* Set blinking rate to ~15.9Hz */
  2859. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2860. LED_BLINK_RATE_VAL);
  2861. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2862. port*4, 1);
  2863. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2864. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2865. if (CHIP_IS_E1(bp) &&
  2866. ((speed == SPEED_2500) ||
  2867. (speed == SPEED_1000) ||
  2868. (speed == SPEED_100) ||
  2869. (speed == SPEED_10))) {
  2870. /*
  2871. * On Everest 1 Ax chip versions for speeds less than
  2872. * 10G LED scheme is different
  2873. */
  2874. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2875. + port*4, 1);
  2876. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2877. port*4, 0);
  2878. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2879. port*4, 1);
  2880. }
  2881. break;
  2882. default:
  2883. rc = -EINVAL;
  2884. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2885. mode);
  2886. break;
  2887. }
  2888. return rc;
  2889. }
  2890. /*
  2891. * This function comes to reflect the actual link state read DIRECTLY from the
  2892. * HW
  2893. */
  2894. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2895. u8 is_serdes)
  2896. {
  2897. struct bnx2x *bp = params->bp;
  2898. u16 gp_status = 0, phy_index = 0;
  2899. u8 ext_phy_link_up = 0, serdes_phy_type;
  2900. struct link_vars temp_vars;
  2901. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2902. MDIO_REG_BANK_GP_STATUS,
  2903. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2904. &gp_status);
  2905. /* link is up only if both local phy and external phy are up */
  2906. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2907. return -ESRCH;
  2908. switch (params->num_phys) {
  2909. case 1:
  2910. /* No external PHY */
  2911. return 0;
  2912. case 2:
  2913. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2914. &params->phy[EXT_PHY1],
  2915. params, &temp_vars);
  2916. break;
  2917. case 3: /* Dual Media */
  2918. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2919. phy_index++) {
  2920. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2921. ETH_PHY_SFP_FIBER) ||
  2922. (params->phy[phy_index].media_type ==
  2923. ETH_PHY_XFP_FIBER) ||
  2924. (params->phy[phy_index].media_type ==
  2925. ETH_PHY_DA_TWINAX));
  2926. if (is_serdes != serdes_phy_type)
  2927. continue;
  2928. if (params->phy[phy_index].read_status) {
  2929. ext_phy_link_up |=
  2930. params->phy[phy_index].read_status(
  2931. &params->phy[phy_index],
  2932. params, &temp_vars);
  2933. }
  2934. }
  2935. break;
  2936. }
  2937. if (ext_phy_link_up)
  2938. return 0;
  2939. return -ESRCH;
  2940. }
  2941. static int bnx2x_link_initialize(struct link_params *params,
  2942. struct link_vars *vars)
  2943. {
  2944. int rc = 0;
  2945. u8 phy_index, non_ext_phy;
  2946. struct bnx2x *bp = params->bp;
  2947. /*
  2948. * In case of external phy existence, the line speed would be the
  2949. * line speed linked up by the external phy. In case it is direct
  2950. * only, then the line_speed during initialization will be
  2951. * equal to the req_line_speed
  2952. */
  2953. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2954. /*
  2955. * Initialize the internal phy in case this is a direct board
  2956. * (no external phys), or this board has external phy which requires
  2957. * to first.
  2958. */
  2959. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  2960. /* init ext phy and enable link state int */
  2961. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2962. (params->loopback_mode == LOOPBACK_XGXS));
  2963. if (non_ext_phy ||
  2964. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2965. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2966. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2967. if (vars->line_speed == SPEED_AUTO_NEG)
  2968. bnx2x_set_parallel_detection(phy, params);
  2969. if (params->phy[INT_PHY].config_init)
  2970. params->phy[INT_PHY].config_init(phy,
  2971. params,
  2972. vars);
  2973. }
  2974. /* Init external phy*/
  2975. if (non_ext_phy) {
  2976. if (params->phy[INT_PHY].supported &
  2977. SUPPORTED_FIBRE)
  2978. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2979. } else {
  2980. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2981. phy_index++) {
  2982. /*
  2983. * No need to initialize second phy in case of first
  2984. * phy only selection. In case of second phy, we do
  2985. * need to initialize the first phy, since they are
  2986. * connected.
  2987. */
  2988. if (params->phy[phy_index].supported &
  2989. SUPPORTED_FIBRE)
  2990. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2991. if (phy_index == EXT_PHY2 &&
  2992. (bnx2x_phy_selection(params) ==
  2993. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2994. DP(NETIF_MSG_LINK, "Not initializing"
  2995. " second phy\n");
  2996. continue;
  2997. }
  2998. params->phy[phy_index].config_init(
  2999. &params->phy[phy_index],
  3000. params, vars);
  3001. }
  3002. }
  3003. /* Reset the interrupt indication after phy was initialized */
  3004. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  3005. params->port*4,
  3006. (NIG_STATUS_XGXS0_LINK10G |
  3007. NIG_STATUS_XGXS0_LINK_STATUS |
  3008. NIG_STATUS_SERDES0_LINK_STATUS |
  3009. NIG_MASK_MI_INT));
  3010. bnx2x_update_mng(params, vars->link_status);
  3011. return rc;
  3012. }
  3013. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  3014. struct link_params *params)
  3015. {
  3016. /* reset the SerDes/XGXS */
  3017. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  3018. (0x1ff << (params->port*16)));
  3019. }
  3020. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  3021. struct link_params *params)
  3022. {
  3023. struct bnx2x *bp = params->bp;
  3024. u8 gpio_port;
  3025. /* HW reset */
  3026. if (CHIP_IS_E2(bp))
  3027. gpio_port = BP_PATH(bp);
  3028. else
  3029. gpio_port = params->port;
  3030. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3031. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3032. gpio_port);
  3033. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3034. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3035. gpio_port);
  3036. DP(NETIF_MSG_LINK, "reset external PHY\n");
  3037. }
  3038. static int bnx2x_update_link_down(struct link_params *params,
  3039. struct link_vars *vars)
  3040. {
  3041. struct bnx2x *bp = params->bp;
  3042. u8 port = params->port;
  3043. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  3044. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  3045. /* indicate no mac active */
  3046. vars->mac_type = MAC_TYPE_NONE;
  3047. /* update shared memory */
  3048. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  3049. LINK_STATUS_LINK_UP |
  3050. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  3051. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  3052. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  3053. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  3054. vars->line_speed = 0;
  3055. bnx2x_update_mng(params, vars->link_status);
  3056. /* activate nig drain */
  3057. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  3058. /* disable emac */
  3059. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3060. msleep(10);
  3061. /* reset BigMac */
  3062. bnx2x_bmac_rx_disable(bp, params->port);
  3063. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  3064. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  3065. return 0;
  3066. }
  3067. static int bnx2x_update_link_up(struct link_params *params,
  3068. struct link_vars *vars,
  3069. u8 link_10g)
  3070. {
  3071. struct bnx2x *bp = params->bp;
  3072. u8 port = params->port;
  3073. int rc = 0;
  3074. vars->link_status |= LINK_STATUS_LINK_UP;
  3075. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  3076. vars->link_status |=
  3077. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  3078. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  3079. vars->link_status |=
  3080. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  3081. if (link_10g) {
  3082. bnx2x_bmac_enable(params, vars, 0);
  3083. bnx2x_set_led(params, vars,
  3084. LED_MODE_OPER, SPEED_10000);
  3085. } else {
  3086. rc = bnx2x_emac_program(params, vars);
  3087. bnx2x_emac_enable(params, vars, 0);
  3088. /* AN complete? */
  3089. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  3090. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  3091. SINGLE_MEDIA_DIRECT(params))
  3092. bnx2x_set_gmii_tx_driver(params);
  3093. }
  3094. /* PBF - link up */
  3095. if (!(CHIP_IS_E2(bp)))
  3096. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  3097. vars->line_speed);
  3098. /* disable drain */
  3099. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  3100. /* update shared memory */
  3101. bnx2x_update_mng(params, vars->link_status);
  3102. msleep(20);
  3103. return rc;
  3104. }
  3105. /*
  3106. * The bnx2x_link_update function should be called upon link
  3107. * interrupt.
  3108. * Link is considered up as follows:
  3109. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3110. * to be up
  3111. * - SINGLE_MEDIA - The link between the 577xx and the external
  3112. * phy (XGXS) need to up as well as the external link of the
  3113. * phy (PHY_EXT1)
  3114. * - DUAL_MEDIA - The link between the 577xx and the first
  3115. * external phy needs to be up, and at least one of the 2
  3116. * external phy link must be up.
  3117. */
  3118. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3119. {
  3120. struct bnx2x *bp = params->bp;
  3121. struct link_vars phy_vars[MAX_PHYS];
  3122. u8 port = params->port;
  3123. u8 link_10g, phy_index;
  3124. u8 ext_phy_link_up = 0, cur_link_up;
  3125. int rc = 0;
  3126. u8 is_mi_int = 0;
  3127. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3128. u8 active_external_phy = INT_PHY;
  3129. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3130. phy_index++) {
  3131. phy_vars[phy_index].flow_ctrl = 0;
  3132. phy_vars[phy_index].link_status = 0;
  3133. phy_vars[phy_index].line_speed = 0;
  3134. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3135. phy_vars[phy_index].phy_link_up = 0;
  3136. phy_vars[phy_index].link_up = 0;
  3137. phy_vars[phy_index].fault_detected = 0;
  3138. }
  3139. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3140. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3141. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3142. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3143. port*0x18) > 0);
  3144. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3145. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3146. is_mi_int,
  3147. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3148. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3149. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3150. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3151. /* disable emac */
  3152. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3153. /*
  3154. * Step 1:
  3155. * Check external link change only for external phys, and apply
  3156. * priority selection between them in case the link on both phys
  3157. * is up. Note that instead of the common vars, a temporary
  3158. * vars argument is used since each phy may have different link/
  3159. * speed/duplex result
  3160. */
  3161. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3162. phy_index++) {
  3163. struct bnx2x_phy *phy = &params->phy[phy_index];
  3164. if (!phy->read_status)
  3165. continue;
  3166. /* Read link status and params of this ext phy */
  3167. cur_link_up = phy->read_status(phy, params,
  3168. &phy_vars[phy_index]);
  3169. if (cur_link_up) {
  3170. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3171. phy_index);
  3172. } else {
  3173. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3174. phy_index);
  3175. continue;
  3176. }
  3177. if (!ext_phy_link_up) {
  3178. ext_phy_link_up = 1;
  3179. active_external_phy = phy_index;
  3180. } else {
  3181. switch (bnx2x_phy_selection(params)) {
  3182. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3183. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3184. /*
  3185. * In this option, the first PHY makes sure to pass the
  3186. * traffic through itself only.
  3187. * Its not clear how to reset the link on the second phy
  3188. */
  3189. active_external_phy = EXT_PHY1;
  3190. break;
  3191. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3192. /*
  3193. * In this option, the first PHY makes sure to pass the
  3194. * traffic through the second PHY.
  3195. */
  3196. active_external_phy = EXT_PHY2;
  3197. break;
  3198. default:
  3199. /*
  3200. * Link indication on both PHYs with the following cases
  3201. * is invalid:
  3202. * - FIRST_PHY means that second phy wasn't initialized,
  3203. * hence its link is expected to be down
  3204. * - SECOND_PHY means that first phy should not be able
  3205. * to link up by itself (using configuration)
  3206. * - DEFAULT should be overriden during initialiazation
  3207. */
  3208. DP(NETIF_MSG_LINK, "Invalid link indication"
  3209. "mpc=0x%x. DISABLING LINK !!!\n",
  3210. params->multi_phy_config);
  3211. ext_phy_link_up = 0;
  3212. break;
  3213. }
  3214. }
  3215. }
  3216. prev_line_speed = vars->line_speed;
  3217. /*
  3218. * Step 2:
  3219. * Read the status of the internal phy. In case of
  3220. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3221. * otherwise this is the link between the 577xx and the first
  3222. * external phy
  3223. */
  3224. if (params->phy[INT_PHY].read_status)
  3225. params->phy[INT_PHY].read_status(
  3226. &params->phy[INT_PHY],
  3227. params, vars);
  3228. /*
  3229. * The INT_PHY flow control reside in the vars. This include the
  3230. * case where the speed or flow control are not set to AUTO.
  3231. * Otherwise, the active external phy flow control result is set
  3232. * to the vars. The ext_phy_line_speed is needed to check if the
  3233. * speed is different between the internal phy and external phy.
  3234. * This case may be result of intermediate link speed change.
  3235. */
  3236. if (active_external_phy > INT_PHY) {
  3237. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3238. /*
  3239. * Link speed is taken from the XGXS. AN and FC result from
  3240. * the external phy.
  3241. */
  3242. vars->link_status |= phy_vars[active_external_phy].link_status;
  3243. /*
  3244. * if active_external_phy is first PHY and link is up - disable
  3245. * disable TX on second external PHY
  3246. */
  3247. if (active_external_phy == EXT_PHY1) {
  3248. if (params->phy[EXT_PHY2].phy_specific_func) {
  3249. DP(NETIF_MSG_LINK, "Disabling TX on"
  3250. " EXT_PHY2\n");
  3251. params->phy[EXT_PHY2].phy_specific_func(
  3252. &params->phy[EXT_PHY2],
  3253. params, DISABLE_TX);
  3254. }
  3255. }
  3256. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3257. vars->duplex = phy_vars[active_external_phy].duplex;
  3258. if (params->phy[active_external_phy].supported &
  3259. SUPPORTED_FIBRE)
  3260. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3261. else
  3262. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  3263. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3264. active_external_phy);
  3265. }
  3266. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3267. phy_index++) {
  3268. if (params->phy[phy_index].flags &
  3269. FLAGS_REARM_LATCH_SIGNAL) {
  3270. bnx2x_rearm_latch_signal(bp, port,
  3271. phy_index ==
  3272. active_external_phy);
  3273. break;
  3274. }
  3275. }
  3276. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3277. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3278. vars->link_status, ext_phy_line_speed);
  3279. /*
  3280. * Upon link speed change set the NIG into drain mode. Comes to
  3281. * deals with possible FIFO glitch due to clk change when speed
  3282. * is decreased without link down indicator
  3283. */
  3284. if (vars->phy_link_up) {
  3285. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3286. (ext_phy_line_speed != vars->line_speed)) {
  3287. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3288. " different than the external"
  3289. " link speed %d\n", vars->line_speed,
  3290. ext_phy_line_speed);
  3291. vars->phy_link_up = 0;
  3292. } else if (prev_line_speed != vars->line_speed) {
  3293. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3294. 0);
  3295. msleep(1);
  3296. }
  3297. }
  3298. /* anything 10 and over uses the bmac */
  3299. link_10g = ((vars->line_speed == SPEED_10000) ||
  3300. (vars->line_speed == SPEED_12000) ||
  3301. (vars->line_speed == SPEED_12500) ||
  3302. (vars->line_speed == SPEED_13000) ||
  3303. (vars->line_speed == SPEED_15000) ||
  3304. (vars->line_speed == SPEED_16000));
  3305. bnx2x_link_int_ack(params, vars, link_10g);
  3306. /*
  3307. * In case external phy link is up, and internal link is down
  3308. * (not initialized yet probably after link initialization, it
  3309. * needs to be initialized.
  3310. * Note that after link down-up as result of cable plug, the xgxs
  3311. * link would probably become up again without the need
  3312. * initialize it
  3313. */
  3314. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3315. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3316. " init_preceding = %d\n", ext_phy_link_up,
  3317. vars->phy_link_up,
  3318. params->phy[EXT_PHY1].flags &
  3319. FLAGS_INIT_XGXS_FIRST);
  3320. if (!(params->phy[EXT_PHY1].flags &
  3321. FLAGS_INIT_XGXS_FIRST)
  3322. && ext_phy_link_up && !vars->phy_link_up) {
  3323. vars->line_speed = ext_phy_line_speed;
  3324. if (vars->line_speed < SPEED_1000)
  3325. vars->phy_flags |= PHY_SGMII_FLAG;
  3326. else
  3327. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3328. if (params->phy[INT_PHY].config_init)
  3329. params->phy[INT_PHY].config_init(
  3330. &params->phy[INT_PHY], params,
  3331. vars);
  3332. }
  3333. }
  3334. /*
  3335. * Link is up only if both local phy and external phy (in case of
  3336. * non-direct board) are up and no fault detected on active PHY.
  3337. */
  3338. vars->link_up = (vars->phy_link_up &&
  3339. (ext_phy_link_up ||
  3340. SINGLE_MEDIA_DIRECT(params)) &&
  3341. (phy_vars[active_external_phy].fault_detected == 0));
  3342. if (vars->link_up)
  3343. rc = bnx2x_update_link_up(params, vars, link_10g);
  3344. else
  3345. rc = bnx2x_update_link_down(params, vars);
  3346. return rc;
  3347. }
  3348. /*****************************************************************************/
  3349. /* External Phy section */
  3350. /*****************************************************************************/
  3351. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3352. {
  3353. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3354. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3355. msleep(1);
  3356. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3357. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3358. }
  3359. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3360. u32 spirom_ver, u32 ver_addr)
  3361. {
  3362. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3363. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3364. if (ver_addr)
  3365. REG_WR(bp, ver_addr, spirom_ver);
  3366. }
  3367. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3368. struct bnx2x_phy *phy,
  3369. u8 port)
  3370. {
  3371. u16 fw_ver1, fw_ver2;
  3372. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3373. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3374. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3375. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3376. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3377. phy->ver_addr);
  3378. }
  3379. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3380. struct bnx2x_phy *phy,
  3381. struct link_vars *vars)
  3382. {
  3383. u16 val;
  3384. bnx2x_cl45_read(bp, phy,
  3385. MDIO_AN_DEVAD,
  3386. MDIO_AN_REG_STATUS, &val);
  3387. bnx2x_cl45_read(bp, phy,
  3388. MDIO_AN_DEVAD,
  3389. MDIO_AN_REG_STATUS, &val);
  3390. if (val & (1<<5))
  3391. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3392. if ((val & (1<<0)) == 0)
  3393. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3394. }
  3395. /******************************************************************/
  3396. /* common BCM8073/BCM8727 PHY SECTION */
  3397. /******************************************************************/
  3398. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3399. struct link_params *params,
  3400. struct link_vars *vars)
  3401. {
  3402. struct bnx2x *bp = params->bp;
  3403. if (phy->req_line_speed == SPEED_10 ||
  3404. phy->req_line_speed == SPEED_100) {
  3405. vars->flow_ctrl = phy->req_flow_ctrl;
  3406. return;
  3407. }
  3408. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3409. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3410. u16 pause_result;
  3411. u16 ld_pause; /* local */
  3412. u16 lp_pause; /* link partner */
  3413. bnx2x_cl45_read(bp, phy,
  3414. MDIO_AN_DEVAD,
  3415. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3416. bnx2x_cl45_read(bp, phy,
  3417. MDIO_AN_DEVAD,
  3418. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3419. pause_result = (ld_pause &
  3420. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3421. pause_result |= (lp_pause &
  3422. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3423. bnx2x_pause_resolve(vars, pause_result);
  3424. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3425. pause_result);
  3426. }
  3427. }
  3428. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3429. struct bnx2x_phy *phy,
  3430. u8 port)
  3431. {
  3432. u32 count = 0;
  3433. u16 fw_ver1, fw_msgout;
  3434. int rc = 0;
  3435. /* Boot port from external ROM */
  3436. /* EDC grst */
  3437. bnx2x_cl45_write(bp, phy,
  3438. MDIO_PMA_DEVAD,
  3439. MDIO_PMA_REG_GEN_CTRL,
  3440. 0x0001);
  3441. /* ucode reboot and rst */
  3442. bnx2x_cl45_write(bp, phy,
  3443. MDIO_PMA_DEVAD,
  3444. MDIO_PMA_REG_GEN_CTRL,
  3445. 0x008c);
  3446. bnx2x_cl45_write(bp, phy,
  3447. MDIO_PMA_DEVAD,
  3448. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3449. /* Reset internal microprocessor */
  3450. bnx2x_cl45_write(bp, phy,
  3451. MDIO_PMA_DEVAD,
  3452. MDIO_PMA_REG_GEN_CTRL,
  3453. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3454. /* Release srst bit */
  3455. bnx2x_cl45_write(bp, phy,
  3456. MDIO_PMA_DEVAD,
  3457. MDIO_PMA_REG_GEN_CTRL,
  3458. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3459. /* Delay 100ms per the PHY specifications */
  3460. msleep(100);
  3461. /* 8073 sometimes taking longer to download */
  3462. do {
  3463. count++;
  3464. if (count > 300) {
  3465. DP(NETIF_MSG_LINK,
  3466. "bnx2x_8073_8727_external_rom_boot port %x:"
  3467. "Download failed. fw version = 0x%x\n",
  3468. port, fw_ver1);
  3469. rc = -EINVAL;
  3470. break;
  3471. }
  3472. bnx2x_cl45_read(bp, phy,
  3473. MDIO_PMA_DEVAD,
  3474. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3475. bnx2x_cl45_read(bp, phy,
  3476. MDIO_PMA_DEVAD,
  3477. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3478. msleep(1);
  3479. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3480. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3481. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3482. /* Clear ser_boot_ctl bit */
  3483. bnx2x_cl45_write(bp, phy,
  3484. MDIO_PMA_DEVAD,
  3485. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3486. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3487. DP(NETIF_MSG_LINK,
  3488. "bnx2x_8073_8727_external_rom_boot port %x:"
  3489. "Download complete. fw version = 0x%x\n",
  3490. port, fw_ver1);
  3491. return rc;
  3492. }
  3493. /******************************************************************/
  3494. /* BCM8073 PHY SECTION */
  3495. /******************************************************************/
  3496. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3497. {
  3498. /* This is only required for 8073A1, version 102 only */
  3499. u16 val;
  3500. /* Read 8073 HW revision*/
  3501. bnx2x_cl45_read(bp, phy,
  3502. MDIO_PMA_DEVAD,
  3503. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3504. if (val != 1) {
  3505. /* No need to workaround in 8073 A1 */
  3506. return 0;
  3507. }
  3508. bnx2x_cl45_read(bp, phy,
  3509. MDIO_PMA_DEVAD,
  3510. MDIO_PMA_REG_ROM_VER2, &val);
  3511. /* SNR should be applied only for version 0x102 */
  3512. if (val != 0x102)
  3513. return 0;
  3514. return 1;
  3515. }
  3516. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3517. {
  3518. u16 val, cnt, cnt1 ;
  3519. bnx2x_cl45_read(bp, phy,
  3520. MDIO_PMA_DEVAD,
  3521. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3522. if (val > 0) {
  3523. /* No need to workaround in 8073 A1 */
  3524. return 0;
  3525. }
  3526. /* XAUI workaround in 8073 A0: */
  3527. /*
  3528. * After loading the boot ROM and restarting Autoneg, poll
  3529. * Dev1, Reg $C820:
  3530. */
  3531. for (cnt = 0; cnt < 1000; cnt++) {
  3532. bnx2x_cl45_read(bp, phy,
  3533. MDIO_PMA_DEVAD,
  3534. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3535. &val);
  3536. /*
  3537. * If bit [14] = 0 or bit [13] = 0, continue on with
  3538. * system initialization (XAUI work-around not required, as
  3539. * these bits indicate 2.5G or 1G link up).
  3540. */
  3541. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3542. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3543. return 0;
  3544. } else if (!(val & (1<<15))) {
  3545. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3546. /*
  3547. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3548. * MSB (bit15) goes to 1 (indicating that the XAUI
  3549. * workaround has completed), then continue on with
  3550. * system initialization.
  3551. */
  3552. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3553. bnx2x_cl45_read(bp, phy,
  3554. MDIO_PMA_DEVAD,
  3555. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3556. if (val & (1<<15)) {
  3557. DP(NETIF_MSG_LINK,
  3558. "XAUI workaround has completed\n");
  3559. return 0;
  3560. }
  3561. msleep(3);
  3562. }
  3563. break;
  3564. }
  3565. msleep(3);
  3566. }
  3567. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3568. return -EINVAL;
  3569. }
  3570. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3571. {
  3572. /* Force KR or KX */
  3573. bnx2x_cl45_write(bp, phy,
  3574. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3575. bnx2x_cl45_write(bp, phy,
  3576. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3577. bnx2x_cl45_write(bp, phy,
  3578. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3579. bnx2x_cl45_write(bp, phy,
  3580. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3581. }
  3582. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3583. struct bnx2x_phy *phy,
  3584. struct link_vars *vars)
  3585. {
  3586. u16 cl37_val;
  3587. struct bnx2x *bp = params->bp;
  3588. bnx2x_cl45_read(bp, phy,
  3589. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3590. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3591. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3592. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3593. if ((vars->ieee_fc &
  3594. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3595. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3596. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3597. }
  3598. if ((vars->ieee_fc &
  3599. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3600. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3601. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3602. }
  3603. if ((vars->ieee_fc &
  3604. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3605. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3606. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3607. }
  3608. DP(NETIF_MSG_LINK,
  3609. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3610. bnx2x_cl45_write(bp, phy,
  3611. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3612. msleep(500);
  3613. }
  3614. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3615. struct link_params *params,
  3616. struct link_vars *vars)
  3617. {
  3618. struct bnx2x *bp = params->bp;
  3619. u16 val = 0, tmp1;
  3620. u8 gpio_port;
  3621. DP(NETIF_MSG_LINK, "Init 8073\n");
  3622. if (CHIP_IS_E2(bp))
  3623. gpio_port = BP_PATH(bp);
  3624. else
  3625. gpio_port = params->port;
  3626. /* Restore normal power mode*/
  3627. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3628. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3629. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3630. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3631. /* enable LASI */
  3632. bnx2x_cl45_write(bp, phy,
  3633. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3634. bnx2x_cl45_write(bp, phy,
  3635. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3636. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3637. bnx2x_cl45_read(bp, phy,
  3638. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3639. bnx2x_cl45_read(bp, phy,
  3640. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3641. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3642. /* Swap polarity if required - Must be done only in non-1G mode */
  3643. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3644. /* Configure the 8073 to swap _P and _N of the KR lines */
  3645. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3646. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3647. bnx2x_cl45_read(bp, phy,
  3648. MDIO_PMA_DEVAD,
  3649. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3650. bnx2x_cl45_write(bp, phy,
  3651. MDIO_PMA_DEVAD,
  3652. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3653. (val | (3<<9)));
  3654. }
  3655. /* Enable CL37 BAM */
  3656. if (REG_RD(bp, params->shmem_base +
  3657. offsetof(struct shmem_region, dev_info.
  3658. port_hw_config[params->port].default_cfg)) &
  3659. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3660. bnx2x_cl45_read(bp, phy,
  3661. MDIO_AN_DEVAD,
  3662. MDIO_AN_REG_8073_BAM, &val);
  3663. bnx2x_cl45_write(bp, phy,
  3664. MDIO_AN_DEVAD,
  3665. MDIO_AN_REG_8073_BAM, val | 1);
  3666. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3667. }
  3668. if (params->loopback_mode == LOOPBACK_EXT) {
  3669. bnx2x_807x_force_10G(bp, phy);
  3670. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3671. return 0;
  3672. } else {
  3673. bnx2x_cl45_write(bp, phy,
  3674. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3675. }
  3676. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3677. if (phy->req_line_speed == SPEED_10000) {
  3678. val = (1<<7);
  3679. } else if (phy->req_line_speed == SPEED_2500) {
  3680. val = (1<<5);
  3681. /*
  3682. * Note that 2.5G works only when used with 1G
  3683. * advertisement
  3684. */
  3685. } else
  3686. val = (1<<5);
  3687. } else {
  3688. val = 0;
  3689. if (phy->speed_cap_mask &
  3690. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3691. val |= (1<<7);
  3692. /* Note that 2.5G works only when used with 1G advertisement */
  3693. if (phy->speed_cap_mask &
  3694. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3695. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3696. val |= (1<<5);
  3697. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3698. }
  3699. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3700. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3701. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3702. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3703. (phy->req_line_speed == SPEED_2500)) {
  3704. u16 phy_ver;
  3705. /* Allow 2.5G for A1 and above */
  3706. bnx2x_cl45_read(bp, phy,
  3707. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3708. &phy_ver);
  3709. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3710. if (phy_ver > 0)
  3711. tmp1 |= 1;
  3712. else
  3713. tmp1 &= 0xfffe;
  3714. } else {
  3715. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3716. tmp1 &= 0xfffe;
  3717. }
  3718. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3719. /* Add support for CL37 (passive mode) II */
  3720. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3721. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3722. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3723. 0x20 : 0x40)));
  3724. /* Add support for CL37 (passive mode) III */
  3725. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3726. /*
  3727. * The SNR will improve about 2db by changing BW and FEE main
  3728. * tap. Rest commands are executed after link is up
  3729. * Change FFE main cursor to 5 in EDC register
  3730. */
  3731. if (bnx2x_8073_is_snr_needed(bp, phy))
  3732. bnx2x_cl45_write(bp, phy,
  3733. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3734. 0xFB0C);
  3735. /* Enable FEC (Forware Error Correction) Request in the AN */
  3736. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3737. tmp1 |= (1<<15);
  3738. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3739. bnx2x_ext_phy_set_pause(params, phy, vars);
  3740. /* Restart autoneg */
  3741. msleep(500);
  3742. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3743. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3744. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3745. return 0;
  3746. }
  3747. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3748. struct link_params *params,
  3749. struct link_vars *vars)
  3750. {
  3751. struct bnx2x *bp = params->bp;
  3752. u8 link_up = 0;
  3753. u16 val1, val2;
  3754. u16 link_status = 0;
  3755. u16 an1000_status = 0;
  3756. bnx2x_cl45_read(bp, phy,
  3757. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3758. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3759. /* clear the interrupt LASI status register */
  3760. bnx2x_cl45_read(bp, phy,
  3761. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3762. bnx2x_cl45_read(bp, phy,
  3763. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3764. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3765. /* Clear MSG-OUT */
  3766. bnx2x_cl45_read(bp, phy,
  3767. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3768. /* Check the LASI */
  3769. bnx2x_cl45_read(bp, phy,
  3770. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3771. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3772. /* Check the link status */
  3773. bnx2x_cl45_read(bp, phy,
  3774. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3775. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3776. bnx2x_cl45_read(bp, phy,
  3777. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3778. bnx2x_cl45_read(bp, phy,
  3779. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3780. link_up = ((val1 & 4) == 4);
  3781. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3782. if (link_up &&
  3783. ((phy->req_line_speed != SPEED_10000))) {
  3784. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3785. return 0;
  3786. }
  3787. bnx2x_cl45_read(bp, phy,
  3788. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3789. bnx2x_cl45_read(bp, phy,
  3790. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3791. /* Check the link status on 1.1.2 */
  3792. bnx2x_cl45_read(bp, phy,
  3793. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3794. bnx2x_cl45_read(bp, phy,
  3795. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3796. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3797. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3798. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3799. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3800. /*
  3801. * The SNR will improve about 2dbby changing the BW and FEE main
  3802. * tap. The 1st write to change FFE main tap is set before
  3803. * restart AN. Change PLL Bandwidth in EDC register
  3804. */
  3805. bnx2x_cl45_write(bp, phy,
  3806. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3807. 0x26BC);
  3808. /* Change CDR Bandwidth in EDC register */
  3809. bnx2x_cl45_write(bp, phy,
  3810. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3811. 0x0333);
  3812. }
  3813. bnx2x_cl45_read(bp, phy,
  3814. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3815. &link_status);
  3816. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3817. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3818. link_up = 1;
  3819. vars->line_speed = SPEED_10000;
  3820. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3821. params->port);
  3822. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3823. link_up = 1;
  3824. vars->line_speed = SPEED_2500;
  3825. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3826. params->port);
  3827. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3828. link_up = 1;
  3829. vars->line_speed = SPEED_1000;
  3830. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3831. params->port);
  3832. } else {
  3833. link_up = 0;
  3834. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3835. params->port);
  3836. }
  3837. if (link_up) {
  3838. /* Swap polarity if required */
  3839. if (params->lane_config &
  3840. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3841. /* Configure the 8073 to swap P and N of the KR lines */
  3842. bnx2x_cl45_read(bp, phy,
  3843. MDIO_XS_DEVAD,
  3844. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3845. /*
  3846. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3847. * when it`s in 10G mode.
  3848. */
  3849. if (vars->line_speed == SPEED_1000) {
  3850. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3851. "the 8073\n");
  3852. val1 |= (1<<3);
  3853. } else
  3854. val1 &= ~(1<<3);
  3855. bnx2x_cl45_write(bp, phy,
  3856. MDIO_XS_DEVAD,
  3857. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3858. val1);
  3859. }
  3860. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3861. bnx2x_8073_resolve_fc(phy, params, vars);
  3862. vars->duplex = DUPLEX_FULL;
  3863. }
  3864. return link_up;
  3865. }
  3866. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3867. struct link_params *params)
  3868. {
  3869. struct bnx2x *bp = params->bp;
  3870. u8 gpio_port;
  3871. if (CHIP_IS_E2(bp))
  3872. gpio_port = BP_PATH(bp);
  3873. else
  3874. gpio_port = params->port;
  3875. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3876. gpio_port);
  3877. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3878. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3879. gpio_port);
  3880. }
  3881. /******************************************************************/
  3882. /* BCM8705 PHY SECTION */
  3883. /******************************************************************/
  3884. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3885. struct link_params *params,
  3886. struct link_vars *vars)
  3887. {
  3888. struct bnx2x *bp = params->bp;
  3889. DP(NETIF_MSG_LINK, "init 8705\n");
  3890. /* Restore normal power mode*/
  3891. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3892. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3893. /* HW reset */
  3894. bnx2x_ext_phy_hw_reset(bp, params->port);
  3895. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3896. bnx2x_wait_reset_complete(bp, phy, params);
  3897. bnx2x_cl45_write(bp, phy,
  3898. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3899. bnx2x_cl45_write(bp, phy,
  3900. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3901. bnx2x_cl45_write(bp, phy,
  3902. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3903. bnx2x_cl45_write(bp, phy,
  3904. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3905. /* BCM8705 doesn't have microcode, hence the 0 */
  3906. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3907. return 0;
  3908. }
  3909. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3910. struct link_params *params,
  3911. struct link_vars *vars)
  3912. {
  3913. u8 link_up = 0;
  3914. u16 val1, rx_sd;
  3915. struct bnx2x *bp = params->bp;
  3916. DP(NETIF_MSG_LINK, "read status 8705\n");
  3917. bnx2x_cl45_read(bp, phy,
  3918. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3919. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3920. bnx2x_cl45_read(bp, phy,
  3921. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3922. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3923. bnx2x_cl45_read(bp, phy,
  3924. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3925. bnx2x_cl45_read(bp, phy,
  3926. MDIO_PMA_DEVAD, 0xc809, &val1);
  3927. bnx2x_cl45_read(bp, phy,
  3928. MDIO_PMA_DEVAD, 0xc809, &val1);
  3929. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3930. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3931. if (link_up) {
  3932. vars->line_speed = SPEED_10000;
  3933. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3934. }
  3935. return link_up;
  3936. }
  3937. /******************************************************************/
  3938. /* SFP+ module Section */
  3939. /******************************************************************/
  3940. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3941. {
  3942. u8 gpio_port;
  3943. u32 swap_val, swap_override;
  3944. struct bnx2x *bp = params->bp;
  3945. if (CHIP_IS_E2(bp))
  3946. gpio_port = BP_PATH(bp);
  3947. else
  3948. gpio_port = params->port;
  3949. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3950. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3951. return gpio_port ^ (swap_val && swap_override);
  3952. }
  3953. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3954. struct bnx2x_phy *phy,
  3955. u8 tx_en)
  3956. {
  3957. u16 val;
  3958. u8 port = params->port;
  3959. struct bnx2x *bp = params->bp;
  3960. u32 tx_en_mode;
  3961. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3962. tx_en_mode = REG_RD(bp, params->shmem_base +
  3963. offsetof(struct shmem_region,
  3964. dev_info.port_hw_config[port].sfp_ctrl)) &
  3965. PORT_HW_CFG_TX_LASER_MASK;
  3966. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3967. "mode = %x\n", tx_en, port, tx_en_mode);
  3968. switch (tx_en_mode) {
  3969. case PORT_HW_CFG_TX_LASER_MDIO:
  3970. bnx2x_cl45_read(bp, phy,
  3971. MDIO_PMA_DEVAD,
  3972. MDIO_PMA_REG_PHY_IDENTIFIER,
  3973. &val);
  3974. if (tx_en)
  3975. val &= ~(1<<15);
  3976. else
  3977. val |= (1<<15);
  3978. bnx2x_cl45_write(bp, phy,
  3979. MDIO_PMA_DEVAD,
  3980. MDIO_PMA_REG_PHY_IDENTIFIER,
  3981. val);
  3982. break;
  3983. case PORT_HW_CFG_TX_LASER_GPIO0:
  3984. case PORT_HW_CFG_TX_LASER_GPIO1:
  3985. case PORT_HW_CFG_TX_LASER_GPIO2:
  3986. case PORT_HW_CFG_TX_LASER_GPIO3:
  3987. {
  3988. u16 gpio_pin;
  3989. u8 gpio_port, gpio_mode;
  3990. if (tx_en)
  3991. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3992. else
  3993. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3994. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3995. gpio_port = bnx2x_get_gpio_port(params);
  3996. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3997. break;
  3998. }
  3999. default:
  4000. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  4001. break;
  4002. }
  4003. }
  4004. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4005. struct link_params *params,
  4006. u16 addr, u8 byte_cnt, u8 *o_buf)
  4007. {
  4008. struct bnx2x *bp = params->bp;
  4009. u16 val = 0;
  4010. u16 i;
  4011. if (byte_cnt > 16) {
  4012. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4013. " is limited to 0xf\n");
  4014. return -EINVAL;
  4015. }
  4016. /* Set the read command byte count */
  4017. bnx2x_cl45_write(bp, phy,
  4018. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4019. (byte_cnt | 0xa000));
  4020. /* Set the read command address */
  4021. bnx2x_cl45_write(bp, phy,
  4022. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4023. addr);
  4024. /* Activate read command */
  4025. bnx2x_cl45_write(bp, phy,
  4026. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4027. 0x2c0f);
  4028. /* Wait up to 500us for command complete status */
  4029. for (i = 0; i < 100; i++) {
  4030. bnx2x_cl45_read(bp, phy,
  4031. MDIO_PMA_DEVAD,
  4032. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4033. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4034. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4035. break;
  4036. udelay(5);
  4037. }
  4038. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4039. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4040. DP(NETIF_MSG_LINK,
  4041. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4042. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4043. return -EINVAL;
  4044. }
  4045. /* Read the buffer */
  4046. for (i = 0; i < byte_cnt; i++) {
  4047. bnx2x_cl45_read(bp, phy,
  4048. MDIO_PMA_DEVAD,
  4049. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4050. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4051. }
  4052. for (i = 0; i < 100; i++) {
  4053. bnx2x_cl45_read(bp, phy,
  4054. MDIO_PMA_DEVAD,
  4055. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4056. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4057. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4058. return 0;
  4059. msleep(1);
  4060. }
  4061. return -EINVAL;
  4062. }
  4063. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4064. struct link_params *params,
  4065. u16 addr, u8 byte_cnt, u8 *o_buf)
  4066. {
  4067. struct bnx2x *bp = params->bp;
  4068. u16 val, i;
  4069. if (byte_cnt > 16) {
  4070. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4071. " is limited to 0xf\n");
  4072. return -EINVAL;
  4073. }
  4074. /* Need to read from 1.8000 to clear it */
  4075. bnx2x_cl45_read(bp, phy,
  4076. MDIO_PMA_DEVAD,
  4077. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4078. &val);
  4079. /* Set the read command byte count */
  4080. bnx2x_cl45_write(bp, phy,
  4081. MDIO_PMA_DEVAD,
  4082. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4083. ((byte_cnt < 2) ? 2 : byte_cnt));
  4084. /* Set the read command address */
  4085. bnx2x_cl45_write(bp, phy,
  4086. MDIO_PMA_DEVAD,
  4087. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4088. addr);
  4089. /* Set the destination address */
  4090. bnx2x_cl45_write(bp, phy,
  4091. MDIO_PMA_DEVAD,
  4092. 0x8004,
  4093. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4094. /* Activate read command */
  4095. bnx2x_cl45_write(bp, phy,
  4096. MDIO_PMA_DEVAD,
  4097. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4098. 0x8002);
  4099. /*
  4100. * Wait appropriate time for two-wire command to finish before
  4101. * polling the status register
  4102. */
  4103. msleep(1);
  4104. /* Wait up to 500us for command complete status */
  4105. for (i = 0; i < 100; i++) {
  4106. bnx2x_cl45_read(bp, phy,
  4107. MDIO_PMA_DEVAD,
  4108. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4109. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4110. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4111. break;
  4112. udelay(5);
  4113. }
  4114. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4115. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4116. DP(NETIF_MSG_LINK,
  4117. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4118. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4119. return -EFAULT;
  4120. }
  4121. /* Read the buffer */
  4122. for (i = 0; i < byte_cnt; i++) {
  4123. bnx2x_cl45_read(bp, phy,
  4124. MDIO_PMA_DEVAD,
  4125. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4126. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4127. }
  4128. for (i = 0; i < 100; i++) {
  4129. bnx2x_cl45_read(bp, phy,
  4130. MDIO_PMA_DEVAD,
  4131. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4132. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4133. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4134. return 0;
  4135. msleep(1);
  4136. }
  4137. return -EINVAL;
  4138. }
  4139. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4140. struct link_params *params, u16 addr,
  4141. u8 byte_cnt, u8 *o_buf)
  4142. {
  4143. int rc = -EINVAL;
  4144. switch (phy->type) {
  4145. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4146. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4147. byte_cnt, o_buf);
  4148. break;
  4149. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4150. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4151. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4152. byte_cnt, o_buf);
  4153. break;
  4154. }
  4155. return rc;
  4156. }
  4157. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4158. struct link_params *params,
  4159. u16 *edc_mode)
  4160. {
  4161. struct bnx2x *bp = params->bp;
  4162. u32 sync_offset = 0, phy_idx, media_types;
  4163. u8 val, check_limiting_mode = 0;
  4164. *edc_mode = EDC_MODE_LIMITING;
  4165. phy->media_type = ETH_PHY_UNSPECIFIED;
  4166. /* First check for copper cable */
  4167. if (bnx2x_read_sfp_module_eeprom(phy,
  4168. params,
  4169. SFP_EEPROM_CON_TYPE_ADDR,
  4170. 1,
  4171. &val) != 0) {
  4172. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4173. return -EINVAL;
  4174. }
  4175. switch (val) {
  4176. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4177. {
  4178. u8 copper_module_type;
  4179. phy->media_type = ETH_PHY_DA_TWINAX;
  4180. /*
  4181. * Check if its active cable (includes SFP+ module)
  4182. * of passive cable
  4183. */
  4184. if (bnx2x_read_sfp_module_eeprom(phy,
  4185. params,
  4186. SFP_EEPROM_FC_TX_TECH_ADDR,
  4187. 1,
  4188. &copper_module_type) != 0) {
  4189. DP(NETIF_MSG_LINK,
  4190. "Failed to read copper-cable-type"
  4191. " from SFP+ EEPROM\n");
  4192. return -EINVAL;
  4193. }
  4194. if (copper_module_type &
  4195. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4196. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4197. check_limiting_mode = 1;
  4198. } else if (copper_module_type &
  4199. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4200. DP(NETIF_MSG_LINK, "Passive Copper"
  4201. " cable detected\n");
  4202. *edc_mode =
  4203. EDC_MODE_PASSIVE_DAC;
  4204. } else {
  4205. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4206. "type 0x%x !!!\n", copper_module_type);
  4207. return -EINVAL;
  4208. }
  4209. break;
  4210. }
  4211. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4212. phy->media_type = ETH_PHY_SFP_FIBER;
  4213. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4214. check_limiting_mode = 1;
  4215. break;
  4216. default:
  4217. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4218. val);
  4219. return -EINVAL;
  4220. }
  4221. sync_offset = params->shmem_base +
  4222. offsetof(struct shmem_region,
  4223. dev_info.port_hw_config[params->port].media_type);
  4224. media_types = REG_RD(bp, sync_offset);
  4225. /* Update media type for non-PMF sync */
  4226. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  4227. if (&(params->phy[phy_idx]) == phy) {
  4228. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  4229. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4230. media_types |= ((phy->media_type &
  4231. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  4232. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4233. break;
  4234. }
  4235. }
  4236. REG_WR(bp, sync_offset, media_types);
  4237. if (check_limiting_mode) {
  4238. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4239. if (bnx2x_read_sfp_module_eeprom(phy,
  4240. params,
  4241. SFP_EEPROM_OPTIONS_ADDR,
  4242. SFP_EEPROM_OPTIONS_SIZE,
  4243. options) != 0) {
  4244. DP(NETIF_MSG_LINK, "Failed to read Option"
  4245. " field from module EEPROM\n");
  4246. return -EINVAL;
  4247. }
  4248. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4249. *edc_mode = EDC_MODE_LINEAR;
  4250. else
  4251. *edc_mode = EDC_MODE_LIMITING;
  4252. }
  4253. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4254. return 0;
  4255. }
  4256. /*
  4257. * This function read the relevant field from the module (SFP+), and verify it
  4258. * is compliant with this board
  4259. */
  4260. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4261. struct link_params *params)
  4262. {
  4263. struct bnx2x *bp = params->bp;
  4264. u32 val, cmd;
  4265. u32 fw_resp, fw_cmd_param;
  4266. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4267. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4268. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4269. val = REG_RD(bp, params->shmem_base +
  4270. offsetof(struct shmem_region, dev_info.
  4271. port_feature_config[params->port].config));
  4272. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4273. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4274. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4275. return 0;
  4276. }
  4277. if (params->feature_config_flags &
  4278. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4279. /* Use specific phy request */
  4280. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4281. } else if (params->feature_config_flags &
  4282. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4283. /* Use first phy request only in case of non-dual media*/
  4284. if (DUAL_MEDIA(params)) {
  4285. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4286. "verification\n");
  4287. return -EINVAL;
  4288. }
  4289. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4290. } else {
  4291. /* No support in OPT MDL detection */
  4292. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4293. "verification\n");
  4294. return -EINVAL;
  4295. }
  4296. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4297. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4298. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4299. DP(NETIF_MSG_LINK, "Approved module\n");
  4300. return 0;
  4301. }
  4302. /* format the warning message */
  4303. if (bnx2x_read_sfp_module_eeprom(phy,
  4304. params,
  4305. SFP_EEPROM_VENDOR_NAME_ADDR,
  4306. SFP_EEPROM_VENDOR_NAME_SIZE,
  4307. (u8 *)vendor_name))
  4308. vendor_name[0] = '\0';
  4309. else
  4310. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4311. if (bnx2x_read_sfp_module_eeprom(phy,
  4312. params,
  4313. SFP_EEPROM_PART_NO_ADDR,
  4314. SFP_EEPROM_PART_NO_SIZE,
  4315. (u8 *)vendor_pn))
  4316. vendor_pn[0] = '\0';
  4317. else
  4318. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4319. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4320. " Port %d from %s part number %s\n",
  4321. params->port, vendor_name, vendor_pn);
  4322. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4323. return -EINVAL;
  4324. }
  4325. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4326. struct link_params *params)
  4327. {
  4328. u8 val;
  4329. struct bnx2x *bp = params->bp;
  4330. u16 timeout;
  4331. /*
  4332. * Initialization time after hot-plug may take up to 300ms for
  4333. * some phys type ( e.g. JDSU )
  4334. */
  4335. for (timeout = 0; timeout < 60; timeout++) {
  4336. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4337. == 0) {
  4338. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4339. "took %d ms\n", timeout * 5);
  4340. return 0;
  4341. }
  4342. msleep(5);
  4343. }
  4344. return -EINVAL;
  4345. }
  4346. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4347. struct bnx2x_phy *phy,
  4348. u8 is_power_up) {
  4349. /* Make sure GPIOs are not using for LED mode */
  4350. u16 val;
  4351. /*
  4352. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4353. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4354. * output
  4355. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4356. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4357. * where the 1st bit is the over-current(only input), and 2nd bit is
  4358. * for power( only output )
  4359. *
  4360. * In case of NOC feature is disabled and power is up, set GPIO control
  4361. * as input to enable listening of over-current indication
  4362. */
  4363. if (phy->flags & FLAGS_NOC)
  4364. return;
  4365. if (is_power_up)
  4366. val = (1<<4);
  4367. else
  4368. /*
  4369. * Set GPIO control to OUTPUT, and set the power bit
  4370. * to according to the is_power_up
  4371. */
  4372. val = (1<<1);
  4373. bnx2x_cl45_write(bp, phy,
  4374. MDIO_PMA_DEVAD,
  4375. MDIO_PMA_REG_8727_GPIO_CTRL,
  4376. val);
  4377. }
  4378. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4379. struct bnx2x_phy *phy,
  4380. u16 edc_mode)
  4381. {
  4382. u16 cur_limiting_mode;
  4383. bnx2x_cl45_read(bp, phy,
  4384. MDIO_PMA_DEVAD,
  4385. MDIO_PMA_REG_ROM_VER2,
  4386. &cur_limiting_mode);
  4387. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4388. cur_limiting_mode);
  4389. if (edc_mode == EDC_MODE_LIMITING) {
  4390. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4391. bnx2x_cl45_write(bp, phy,
  4392. MDIO_PMA_DEVAD,
  4393. MDIO_PMA_REG_ROM_VER2,
  4394. EDC_MODE_LIMITING);
  4395. } else { /* LRM mode ( default )*/
  4396. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4397. /*
  4398. * Changing to LRM mode takes quite few seconds. So do it only
  4399. * if current mode is limiting (default is LRM)
  4400. */
  4401. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4402. return 0;
  4403. bnx2x_cl45_write(bp, phy,
  4404. MDIO_PMA_DEVAD,
  4405. MDIO_PMA_REG_LRM_MODE,
  4406. 0);
  4407. bnx2x_cl45_write(bp, phy,
  4408. MDIO_PMA_DEVAD,
  4409. MDIO_PMA_REG_ROM_VER2,
  4410. 0x128);
  4411. bnx2x_cl45_write(bp, phy,
  4412. MDIO_PMA_DEVAD,
  4413. MDIO_PMA_REG_MISC_CTRL0,
  4414. 0x4008);
  4415. bnx2x_cl45_write(bp, phy,
  4416. MDIO_PMA_DEVAD,
  4417. MDIO_PMA_REG_LRM_MODE,
  4418. 0xaaaa);
  4419. }
  4420. return 0;
  4421. }
  4422. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4423. struct bnx2x_phy *phy,
  4424. u16 edc_mode)
  4425. {
  4426. u16 phy_identifier;
  4427. u16 rom_ver2_val;
  4428. bnx2x_cl45_read(bp, phy,
  4429. MDIO_PMA_DEVAD,
  4430. MDIO_PMA_REG_PHY_IDENTIFIER,
  4431. &phy_identifier);
  4432. bnx2x_cl45_write(bp, phy,
  4433. MDIO_PMA_DEVAD,
  4434. MDIO_PMA_REG_PHY_IDENTIFIER,
  4435. (phy_identifier & ~(1<<9)));
  4436. bnx2x_cl45_read(bp, phy,
  4437. MDIO_PMA_DEVAD,
  4438. MDIO_PMA_REG_ROM_VER2,
  4439. &rom_ver2_val);
  4440. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4441. bnx2x_cl45_write(bp, phy,
  4442. MDIO_PMA_DEVAD,
  4443. MDIO_PMA_REG_ROM_VER2,
  4444. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4445. bnx2x_cl45_write(bp, phy,
  4446. MDIO_PMA_DEVAD,
  4447. MDIO_PMA_REG_PHY_IDENTIFIER,
  4448. (phy_identifier | (1<<9)));
  4449. return 0;
  4450. }
  4451. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4452. struct link_params *params,
  4453. u32 action)
  4454. {
  4455. struct bnx2x *bp = params->bp;
  4456. switch (action) {
  4457. case DISABLE_TX:
  4458. bnx2x_sfp_set_transmitter(params, phy, 0);
  4459. break;
  4460. case ENABLE_TX:
  4461. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4462. bnx2x_sfp_set_transmitter(params, phy, 1);
  4463. break;
  4464. default:
  4465. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4466. action);
  4467. return;
  4468. }
  4469. }
  4470. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4471. u8 gpio_mode)
  4472. {
  4473. struct bnx2x *bp = params->bp;
  4474. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4475. offsetof(struct shmem_region,
  4476. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4477. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4478. switch (fault_led_gpio) {
  4479. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4480. return;
  4481. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4482. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4483. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4484. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4485. {
  4486. u8 gpio_port = bnx2x_get_gpio_port(params);
  4487. u16 gpio_pin = fault_led_gpio -
  4488. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4489. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4490. "pin %x port %x mode %x\n",
  4491. gpio_pin, gpio_port, gpio_mode);
  4492. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4493. }
  4494. break;
  4495. default:
  4496. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4497. fault_led_gpio);
  4498. }
  4499. }
  4500. static void bnx2x_power_sfp_module(struct link_params *params,
  4501. struct bnx2x_phy *phy,
  4502. u8 power)
  4503. {
  4504. struct bnx2x *bp = params->bp;
  4505. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4506. switch (phy->type) {
  4507. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4508. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4509. bnx2x_8727_power_module(params->bp, phy, power);
  4510. break;
  4511. default:
  4512. break;
  4513. }
  4514. }
  4515. static void bnx2x_set_limiting_mode(struct link_params *params,
  4516. struct bnx2x_phy *phy,
  4517. u16 edc_mode)
  4518. {
  4519. switch (phy->type) {
  4520. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4521. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4522. break;
  4523. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4525. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4526. break;
  4527. }
  4528. }
  4529. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4530. struct link_params *params)
  4531. {
  4532. struct bnx2x *bp = params->bp;
  4533. u16 edc_mode;
  4534. int rc = 0;
  4535. u32 val = REG_RD(bp, params->shmem_base +
  4536. offsetof(struct shmem_region, dev_info.
  4537. port_feature_config[params->port].config));
  4538. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4539. params->port);
  4540. /* Power up module */
  4541. bnx2x_power_sfp_module(params, phy, 1);
  4542. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4543. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4544. return -EINVAL;
  4545. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4546. /* check SFP+ module compatibility */
  4547. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4548. rc = -EINVAL;
  4549. /* Turn on fault module-detected led */
  4550. bnx2x_set_sfp_module_fault_led(params,
  4551. MISC_REGISTERS_GPIO_HIGH);
  4552. /* Check if need to power down the SFP+ module */
  4553. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4554. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4555. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4556. bnx2x_power_sfp_module(params, phy, 0);
  4557. return rc;
  4558. }
  4559. } else {
  4560. /* Turn off fault module-detected led */
  4561. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4562. }
  4563. /*
  4564. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4565. * is done automatically
  4566. */
  4567. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4568. /*
  4569. * Enable transmit for this module if the module is approved, or
  4570. * if unapproved modules should also enable the Tx laser
  4571. */
  4572. if (rc == 0 ||
  4573. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4574. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4575. bnx2x_sfp_set_transmitter(params, phy, 1);
  4576. else
  4577. bnx2x_sfp_set_transmitter(params, phy, 0);
  4578. return rc;
  4579. }
  4580. void bnx2x_handle_module_detect_int(struct link_params *params)
  4581. {
  4582. struct bnx2x *bp = params->bp;
  4583. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4584. u32 gpio_val;
  4585. u8 port = params->port;
  4586. /* Set valid module led off */
  4587. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4588. /* Get current gpio val reflecting module plugged in / out*/
  4589. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4590. /* Call the handling function in case module is detected */
  4591. if (gpio_val == 0) {
  4592. bnx2x_power_sfp_module(params, phy, 1);
  4593. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4594. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4595. port);
  4596. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4597. bnx2x_sfp_module_detection(phy, params);
  4598. else
  4599. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4600. } else {
  4601. u32 val = REG_RD(bp, params->shmem_base +
  4602. offsetof(struct shmem_region, dev_info.
  4603. port_feature_config[params->port].
  4604. config));
  4605. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4606. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4607. port);
  4608. /*
  4609. * Module was plugged out.
  4610. * Disable transmit for this module
  4611. */
  4612. phy->media_type = ETH_PHY_NOT_PRESENT;
  4613. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4614. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4615. bnx2x_sfp_set_transmitter(params, phy, 0);
  4616. }
  4617. }
  4618. /******************************************************************/
  4619. /* Used by 8706 and 8727 */
  4620. /******************************************************************/
  4621. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  4622. struct bnx2x_phy *phy,
  4623. u16 alarm_status_offset,
  4624. u16 alarm_ctrl_offset)
  4625. {
  4626. u16 alarm_status, val;
  4627. bnx2x_cl45_read(bp, phy,
  4628. MDIO_PMA_DEVAD, alarm_status_offset,
  4629. &alarm_status);
  4630. bnx2x_cl45_read(bp, phy,
  4631. MDIO_PMA_DEVAD, alarm_status_offset,
  4632. &alarm_status);
  4633. /* Mask or enable the fault event. */
  4634. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  4635. if (alarm_status & (1<<0))
  4636. val &= ~(1<<0);
  4637. else
  4638. val |= (1<<0);
  4639. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  4640. }
  4641. /******************************************************************/
  4642. /* common BCM8706/BCM8726 PHY SECTION */
  4643. /******************************************************************/
  4644. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4645. struct link_params *params,
  4646. struct link_vars *vars)
  4647. {
  4648. u8 link_up = 0;
  4649. u16 val1, val2, rx_sd, pcs_status;
  4650. struct bnx2x *bp = params->bp;
  4651. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4652. /* Clear RX Alarm*/
  4653. bnx2x_cl45_read(bp, phy,
  4654. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4655. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  4656. MDIO_PMA_REG_TX_ALARM_CTRL);
  4657. /* clear LASI indication*/
  4658. bnx2x_cl45_read(bp, phy,
  4659. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4660. bnx2x_cl45_read(bp, phy,
  4661. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4662. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4663. bnx2x_cl45_read(bp, phy,
  4664. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4665. bnx2x_cl45_read(bp, phy,
  4666. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4667. bnx2x_cl45_read(bp, phy,
  4668. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4669. bnx2x_cl45_read(bp, phy,
  4670. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4671. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4672. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4673. /*
  4674. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4675. * are set, or if the autoneg bit 1 is set
  4676. */
  4677. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4678. if (link_up) {
  4679. if (val2 & (1<<1))
  4680. vars->line_speed = SPEED_1000;
  4681. else
  4682. vars->line_speed = SPEED_10000;
  4683. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4684. vars->duplex = DUPLEX_FULL;
  4685. }
  4686. /* Capture 10G link fault. Read twice to clear stale value. */
  4687. if (vars->line_speed == SPEED_10000) {
  4688. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4689. MDIO_PMA_REG_TX_ALARM, &val1);
  4690. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4691. MDIO_PMA_REG_TX_ALARM, &val1);
  4692. if (val1 & (1<<0))
  4693. vars->fault_detected = 1;
  4694. }
  4695. return link_up;
  4696. }
  4697. /******************************************************************/
  4698. /* BCM8706 PHY SECTION */
  4699. /******************************************************************/
  4700. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4701. struct link_params *params,
  4702. struct link_vars *vars)
  4703. {
  4704. u32 tx_en_mode;
  4705. u16 cnt, val, tmp1;
  4706. struct bnx2x *bp = params->bp;
  4707. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4708. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4709. /* HW reset */
  4710. bnx2x_ext_phy_hw_reset(bp, params->port);
  4711. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4712. bnx2x_wait_reset_complete(bp, phy, params);
  4713. /* Wait until fw is loaded */
  4714. for (cnt = 0; cnt < 100; cnt++) {
  4715. bnx2x_cl45_read(bp, phy,
  4716. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4717. if (val)
  4718. break;
  4719. msleep(10);
  4720. }
  4721. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4722. if ((params->feature_config_flags &
  4723. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4724. u8 i;
  4725. u16 reg;
  4726. for (i = 0; i < 4; i++) {
  4727. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4728. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4729. MDIO_XS_8706_REG_BANK_RX0);
  4730. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4731. /* Clear first 3 bits of the control */
  4732. val &= ~0x7;
  4733. /* Set control bits according to configuration */
  4734. val |= (phy->rx_preemphasis[i] & 0x7);
  4735. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4736. " reg 0x%x <-- val 0x%x\n", reg, val);
  4737. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4738. }
  4739. }
  4740. /* Force speed */
  4741. if (phy->req_line_speed == SPEED_10000) {
  4742. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4743. bnx2x_cl45_write(bp, phy,
  4744. MDIO_PMA_DEVAD,
  4745. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4746. bnx2x_cl45_write(bp, phy,
  4747. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  4748. 0);
  4749. /* Arm LASI for link and Tx fault. */
  4750. bnx2x_cl45_write(bp, phy,
  4751. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
  4752. } else {
  4753. /* Force 1Gbps using autoneg with 1G advertisement */
  4754. /* Allow CL37 through CL73 */
  4755. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4756. bnx2x_cl45_write(bp, phy,
  4757. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4758. /* Enable Full-Duplex advertisement on CL37 */
  4759. bnx2x_cl45_write(bp, phy,
  4760. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4761. /* Enable CL37 AN */
  4762. bnx2x_cl45_write(bp, phy,
  4763. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4764. /* 1G support */
  4765. bnx2x_cl45_write(bp, phy,
  4766. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4767. /* Enable clause 73 AN */
  4768. bnx2x_cl45_write(bp, phy,
  4769. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4770. bnx2x_cl45_write(bp, phy,
  4771. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4772. 0x0400);
  4773. bnx2x_cl45_write(bp, phy,
  4774. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4775. 0x0004);
  4776. }
  4777. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4778. /*
  4779. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4780. * power mode, if TX Laser is disabled
  4781. */
  4782. tx_en_mode = REG_RD(bp, params->shmem_base +
  4783. offsetof(struct shmem_region,
  4784. dev_info.port_hw_config[params->port].sfp_ctrl))
  4785. & PORT_HW_CFG_TX_LASER_MASK;
  4786. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4787. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4788. bnx2x_cl45_read(bp, phy,
  4789. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4790. tmp1 |= 0x1;
  4791. bnx2x_cl45_write(bp, phy,
  4792. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4793. }
  4794. return 0;
  4795. }
  4796. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4797. struct link_params *params,
  4798. struct link_vars *vars)
  4799. {
  4800. return bnx2x_8706_8726_read_status(phy, params, vars);
  4801. }
  4802. /******************************************************************/
  4803. /* BCM8726 PHY SECTION */
  4804. /******************************************************************/
  4805. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4806. struct link_params *params)
  4807. {
  4808. struct bnx2x *bp = params->bp;
  4809. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4810. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4811. }
  4812. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4813. struct link_params *params)
  4814. {
  4815. struct bnx2x *bp = params->bp;
  4816. /* Need to wait 100ms after reset */
  4817. msleep(100);
  4818. /* Micro controller re-boot */
  4819. bnx2x_cl45_write(bp, phy,
  4820. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4821. /* Set soft reset */
  4822. bnx2x_cl45_write(bp, phy,
  4823. MDIO_PMA_DEVAD,
  4824. MDIO_PMA_REG_GEN_CTRL,
  4825. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4826. bnx2x_cl45_write(bp, phy,
  4827. MDIO_PMA_DEVAD,
  4828. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4829. bnx2x_cl45_write(bp, phy,
  4830. MDIO_PMA_DEVAD,
  4831. MDIO_PMA_REG_GEN_CTRL,
  4832. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4833. /* wait for 150ms for microcode load */
  4834. msleep(150);
  4835. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4836. bnx2x_cl45_write(bp, phy,
  4837. MDIO_PMA_DEVAD,
  4838. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4839. msleep(200);
  4840. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4841. }
  4842. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4843. struct link_params *params,
  4844. struct link_vars *vars)
  4845. {
  4846. struct bnx2x *bp = params->bp;
  4847. u16 val1;
  4848. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4849. if (link_up) {
  4850. bnx2x_cl45_read(bp, phy,
  4851. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4852. &val1);
  4853. if (val1 & (1<<15)) {
  4854. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4855. link_up = 0;
  4856. vars->line_speed = 0;
  4857. }
  4858. }
  4859. return link_up;
  4860. }
  4861. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4862. struct link_params *params,
  4863. struct link_vars *vars)
  4864. {
  4865. struct bnx2x *bp = params->bp;
  4866. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4867. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4868. bnx2x_wait_reset_complete(bp, phy, params);
  4869. bnx2x_8726_external_rom_boot(phy, params);
  4870. /*
  4871. * Need to call module detected on initialization since the module
  4872. * detection triggered by actual module insertion might occur before
  4873. * driver is loaded, and when driver is loaded, it reset all
  4874. * registers, including the transmitter
  4875. */
  4876. bnx2x_sfp_module_detection(phy, params);
  4877. if (phy->req_line_speed == SPEED_1000) {
  4878. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4879. bnx2x_cl45_write(bp, phy,
  4880. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4881. bnx2x_cl45_write(bp, phy,
  4882. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4883. bnx2x_cl45_write(bp, phy,
  4884. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4885. bnx2x_cl45_write(bp, phy,
  4886. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4887. 0x400);
  4888. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4889. (phy->speed_cap_mask &
  4890. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4891. ((phy->speed_cap_mask &
  4892. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4893. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4894. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4895. /* Set Flow control */
  4896. bnx2x_ext_phy_set_pause(params, phy, vars);
  4897. bnx2x_cl45_write(bp, phy,
  4898. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4899. bnx2x_cl45_write(bp, phy,
  4900. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4901. bnx2x_cl45_write(bp, phy,
  4902. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4903. bnx2x_cl45_write(bp, phy,
  4904. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4905. bnx2x_cl45_write(bp, phy,
  4906. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4907. /*
  4908. * Enable RX-ALARM control to receive interrupt for 1G speed
  4909. * change
  4910. */
  4911. bnx2x_cl45_write(bp, phy,
  4912. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4913. bnx2x_cl45_write(bp, phy,
  4914. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4915. 0x400);
  4916. } else { /* Default 10G. Set only LASI control */
  4917. bnx2x_cl45_write(bp, phy,
  4918. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4919. }
  4920. /* Set TX PreEmphasis if needed */
  4921. if ((params->feature_config_flags &
  4922. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4923. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4924. "TX_CTRL2 0x%x\n",
  4925. phy->tx_preemphasis[0],
  4926. phy->tx_preemphasis[1]);
  4927. bnx2x_cl45_write(bp, phy,
  4928. MDIO_PMA_DEVAD,
  4929. MDIO_PMA_REG_8726_TX_CTRL1,
  4930. phy->tx_preemphasis[0]);
  4931. bnx2x_cl45_write(bp, phy,
  4932. MDIO_PMA_DEVAD,
  4933. MDIO_PMA_REG_8726_TX_CTRL2,
  4934. phy->tx_preemphasis[1]);
  4935. }
  4936. return 0;
  4937. }
  4938. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4939. struct link_params *params)
  4940. {
  4941. struct bnx2x *bp = params->bp;
  4942. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4943. /* Set serial boot control for external load */
  4944. bnx2x_cl45_write(bp, phy,
  4945. MDIO_PMA_DEVAD,
  4946. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4947. }
  4948. /******************************************************************/
  4949. /* BCM8727 PHY SECTION */
  4950. /******************************************************************/
  4951. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4952. struct link_params *params, u8 mode)
  4953. {
  4954. struct bnx2x *bp = params->bp;
  4955. u16 led_mode_bitmask = 0;
  4956. u16 gpio_pins_bitmask = 0;
  4957. u16 val;
  4958. /* Only NOC flavor requires to set the LED specifically */
  4959. if (!(phy->flags & FLAGS_NOC))
  4960. return;
  4961. switch (mode) {
  4962. case LED_MODE_FRONT_PANEL_OFF:
  4963. case LED_MODE_OFF:
  4964. led_mode_bitmask = 0;
  4965. gpio_pins_bitmask = 0x03;
  4966. break;
  4967. case LED_MODE_ON:
  4968. led_mode_bitmask = 0;
  4969. gpio_pins_bitmask = 0x02;
  4970. break;
  4971. case LED_MODE_OPER:
  4972. led_mode_bitmask = 0x60;
  4973. gpio_pins_bitmask = 0x11;
  4974. break;
  4975. }
  4976. bnx2x_cl45_read(bp, phy,
  4977. MDIO_PMA_DEVAD,
  4978. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4979. &val);
  4980. val &= 0xff8f;
  4981. val |= led_mode_bitmask;
  4982. bnx2x_cl45_write(bp, phy,
  4983. MDIO_PMA_DEVAD,
  4984. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4985. val);
  4986. bnx2x_cl45_read(bp, phy,
  4987. MDIO_PMA_DEVAD,
  4988. MDIO_PMA_REG_8727_GPIO_CTRL,
  4989. &val);
  4990. val &= 0xffe0;
  4991. val |= gpio_pins_bitmask;
  4992. bnx2x_cl45_write(bp, phy,
  4993. MDIO_PMA_DEVAD,
  4994. MDIO_PMA_REG_8727_GPIO_CTRL,
  4995. val);
  4996. }
  4997. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4998. struct link_params *params) {
  4999. u32 swap_val, swap_override;
  5000. u8 port;
  5001. /*
  5002. * The PHY reset is controlled by GPIO 1. Fake the port number
  5003. * to cancel the swap done in set_gpio()
  5004. */
  5005. struct bnx2x *bp = params->bp;
  5006. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  5007. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  5008. port = (swap_val && swap_override) ^ 1;
  5009. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5010. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5011. }
  5012. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  5013. struct link_params *params,
  5014. struct link_vars *vars)
  5015. {
  5016. u32 tx_en_mode;
  5017. u16 tmp1, val, mod_abs, tmp2;
  5018. u16 rx_alarm_ctrl_val;
  5019. u16 lasi_ctrl_val;
  5020. struct bnx2x *bp = params->bp;
  5021. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  5022. bnx2x_wait_reset_complete(bp, phy, params);
  5023. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  5024. /* Should be 0x6 to enable XS on Tx side. */
  5025. lasi_ctrl_val = 0x0006;
  5026. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  5027. /* enable LASI */
  5028. bnx2x_cl45_write(bp, phy,
  5029. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5030. rx_alarm_ctrl_val);
  5031. bnx2x_cl45_write(bp, phy,
  5032. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  5033. 0);
  5034. bnx2x_cl45_write(bp, phy,
  5035. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  5036. /*
  5037. * Initially configure MOD_ABS to interrupt when module is
  5038. * presence( bit 8)
  5039. */
  5040. bnx2x_cl45_read(bp, phy,
  5041. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5042. /*
  5043. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  5044. * When the EDC is off it locks onto a reference clock and avoids
  5045. * becoming 'lost'
  5046. */
  5047. mod_abs &= ~(1<<8);
  5048. if (!(phy->flags & FLAGS_NOC))
  5049. mod_abs &= ~(1<<9);
  5050. bnx2x_cl45_write(bp, phy,
  5051. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5052. /* Make MOD_ABS give interrupt on change */
  5053. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  5054. &val);
  5055. val |= (1<<12);
  5056. if (phy->flags & FLAGS_NOC)
  5057. val |= (3<<5);
  5058. /*
  5059. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  5060. * status which reflect SFP+ module over-current
  5061. */
  5062. if (!(phy->flags & FLAGS_NOC))
  5063. val &= 0xff8f; /* Reset bits 4-6 */
  5064. bnx2x_cl45_write(bp, phy,
  5065. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  5066. bnx2x_8727_power_module(bp, phy, 1);
  5067. bnx2x_cl45_read(bp, phy,
  5068. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  5069. bnx2x_cl45_read(bp, phy,
  5070. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  5071. /* Set option 1G speed */
  5072. if (phy->req_line_speed == SPEED_1000) {
  5073. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  5074. bnx2x_cl45_write(bp, phy,
  5075. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  5076. bnx2x_cl45_write(bp, phy,
  5077. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  5078. bnx2x_cl45_read(bp, phy,
  5079. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  5080. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  5081. /*
  5082. * Power down the XAUI until link is up in case of dual-media
  5083. * and 1G
  5084. */
  5085. if (DUAL_MEDIA(params)) {
  5086. bnx2x_cl45_read(bp, phy,
  5087. MDIO_PMA_DEVAD,
  5088. MDIO_PMA_REG_8727_PCS_GP, &val);
  5089. val |= (3<<10);
  5090. bnx2x_cl45_write(bp, phy,
  5091. MDIO_PMA_DEVAD,
  5092. MDIO_PMA_REG_8727_PCS_GP, val);
  5093. }
  5094. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5095. ((phy->speed_cap_mask &
  5096. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  5097. ((phy->speed_cap_mask &
  5098. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  5099. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  5100. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  5101. bnx2x_cl45_write(bp, phy,
  5102. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  5103. bnx2x_cl45_write(bp, phy,
  5104. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5105. } else {
  5106. /*
  5107. * Since the 8727 has only single reset pin, need to set the 10G
  5108. * registers although it is default
  5109. */
  5110. bnx2x_cl45_write(bp, phy,
  5111. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5112. 0x0020);
  5113. bnx2x_cl45_write(bp, phy,
  5114. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5115. bnx2x_cl45_write(bp, phy,
  5116. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5117. bnx2x_cl45_write(bp, phy,
  5118. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5119. 0x0008);
  5120. }
  5121. /*
  5122. * Set 2-wire transfer rate of SFP+ module EEPROM
  5123. * to 100Khz since some DACs(direct attached cables) do
  5124. * not work at 400Khz.
  5125. */
  5126. bnx2x_cl45_write(bp, phy,
  5127. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5128. 0xa001);
  5129. /* Set TX PreEmphasis if needed */
  5130. if ((params->feature_config_flags &
  5131. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5132. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5133. phy->tx_preemphasis[0],
  5134. phy->tx_preemphasis[1]);
  5135. bnx2x_cl45_write(bp, phy,
  5136. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5137. phy->tx_preemphasis[0]);
  5138. bnx2x_cl45_write(bp, phy,
  5139. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5140. phy->tx_preemphasis[1]);
  5141. }
  5142. /*
  5143. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5144. * power mode, if TX Laser is disabled
  5145. */
  5146. tx_en_mode = REG_RD(bp, params->shmem_base +
  5147. offsetof(struct shmem_region,
  5148. dev_info.port_hw_config[params->port].sfp_ctrl))
  5149. & PORT_HW_CFG_TX_LASER_MASK;
  5150. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5151. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5152. bnx2x_cl45_read(bp, phy,
  5153. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5154. tmp2 |= 0x1000;
  5155. tmp2 &= 0xFFEF;
  5156. bnx2x_cl45_write(bp, phy,
  5157. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5158. }
  5159. return 0;
  5160. }
  5161. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5162. struct link_params *params)
  5163. {
  5164. struct bnx2x *bp = params->bp;
  5165. u16 mod_abs, rx_alarm_status;
  5166. u32 val = REG_RD(bp, params->shmem_base +
  5167. offsetof(struct shmem_region, dev_info.
  5168. port_feature_config[params->port].
  5169. config));
  5170. bnx2x_cl45_read(bp, phy,
  5171. MDIO_PMA_DEVAD,
  5172. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5173. if (mod_abs & (1<<8)) {
  5174. /* Module is absent */
  5175. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5176. "show module is absent\n");
  5177. phy->media_type = ETH_PHY_NOT_PRESENT;
  5178. /*
  5179. * 1. Set mod_abs to detect next module
  5180. * presence event
  5181. * 2. Set EDC off by setting OPTXLOS signal input to low
  5182. * (bit 9).
  5183. * When the EDC is off it locks onto a reference clock and
  5184. * avoids becoming 'lost'.
  5185. */
  5186. mod_abs &= ~(1<<8);
  5187. if (!(phy->flags & FLAGS_NOC))
  5188. mod_abs &= ~(1<<9);
  5189. bnx2x_cl45_write(bp, phy,
  5190. MDIO_PMA_DEVAD,
  5191. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5192. /*
  5193. * Clear RX alarm since it stays up as long as
  5194. * the mod_abs wasn't changed
  5195. */
  5196. bnx2x_cl45_read(bp, phy,
  5197. MDIO_PMA_DEVAD,
  5198. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5199. } else {
  5200. /* Module is present */
  5201. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5202. "show module is present\n");
  5203. /*
  5204. * First disable transmitter, and if the module is ok, the
  5205. * module_detection will enable it
  5206. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5207. * 2. Restore the default polarity of the OPRXLOS signal and
  5208. * this signal will then correctly indicate the presence or
  5209. * absence of the Rx signal. (bit 9)
  5210. */
  5211. mod_abs |= (1<<8);
  5212. if (!(phy->flags & FLAGS_NOC))
  5213. mod_abs |= (1<<9);
  5214. bnx2x_cl45_write(bp, phy,
  5215. MDIO_PMA_DEVAD,
  5216. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5217. /*
  5218. * Clear RX alarm since it stays up as long as the mod_abs
  5219. * wasn't changed. This is need to be done before calling the
  5220. * module detection, otherwise it will clear* the link update
  5221. * alarm
  5222. */
  5223. bnx2x_cl45_read(bp, phy,
  5224. MDIO_PMA_DEVAD,
  5225. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5226. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5227. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5228. bnx2x_sfp_set_transmitter(params, phy, 0);
  5229. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5230. bnx2x_sfp_module_detection(phy, params);
  5231. else
  5232. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5233. }
  5234. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5235. rx_alarm_status);
  5236. /* No need to check link status in case of module plugged in/out */
  5237. }
  5238. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5239. struct link_params *params,
  5240. struct link_vars *vars)
  5241. {
  5242. struct bnx2x *bp = params->bp;
  5243. u8 link_up = 0, oc_port = params->port;
  5244. u16 link_status = 0;
  5245. u16 rx_alarm_status, lasi_ctrl, val1;
  5246. /* If PHY is not initialized, do not check link status */
  5247. bnx2x_cl45_read(bp, phy,
  5248. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5249. &lasi_ctrl);
  5250. if (!lasi_ctrl)
  5251. return 0;
  5252. /* Check the LASI on Rx */
  5253. bnx2x_cl45_read(bp, phy,
  5254. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5255. &rx_alarm_status);
  5256. vars->line_speed = 0;
  5257. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5258. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  5259. MDIO_PMA_REG_TX_ALARM_CTRL);
  5260. bnx2x_cl45_read(bp, phy,
  5261. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5262. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5263. /* Clear MSG-OUT */
  5264. bnx2x_cl45_read(bp, phy,
  5265. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5266. /*
  5267. * If a module is present and there is need to check
  5268. * for over current
  5269. */
  5270. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5271. /* Check over-current using 8727 GPIO0 input*/
  5272. bnx2x_cl45_read(bp, phy,
  5273. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5274. &val1);
  5275. if ((val1 & (1<<8)) == 0) {
  5276. if (!CHIP_IS_E1x(bp))
  5277. oc_port = BP_PATH(bp) + (params->port << 1);
  5278. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5279. " on port %d\n", oc_port);
  5280. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5281. " been detected and the power to "
  5282. "that SFP+ module has been removed"
  5283. " to prevent failure of the card."
  5284. " Please remove the SFP+ module and"
  5285. " restart the system to clear this"
  5286. " error.\n",
  5287. oc_port);
  5288. /* Disable all RX_ALARMs except for mod_abs */
  5289. bnx2x_cl45_write(bp, phy,
  5290. MDIO_PMA_DEVAD,
  5291. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5292. bnx2x_cl45_read(bp, phy,
  5293. MDIO_PMA_DEVAD,
  5294. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5295. /* Wait for module_absent_event */
  5296. val1 |= (1<<8);
  5297. bnx2x_cl45_write(bp, phy,
  5298. MDIO_PMA_DEVAD,
  5299. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5300. /* Clear RX alarm */
  5301. bnx2x_cl45_read(bp, phy,
  5302. MDIO_PMA_DEVAD,
  5303. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5304. return 0;
  5305. }
  5306. } /* Over current check */
  5307. /* When module absent bit is set, check module */
  5308. if (rx_alarm_status & (1<<5)) {
  5309. bnx2x_8727_handle_mod_abs(phy, params);
  5310. /* Enable all mod_abs and link detection bits */
  5311. bnx2x_cl45_write(bp, phy,
  5312. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5313. ((1<<5) | (1<<2)));
  5314. }
  5315. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5316. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5317. /* If transmitter is disabled, ignore false link up indication */
  5318. bnx2x_cl45_read(bp, phy,
  5319. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5320. if (val1 & (1<<15)) {
  5321. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5322. return 0;
  5323. }
  5324. bnx2x_cl45_read(bp, phy,
  5325. MDIO_PMA_DEVAD,
  5326. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5327. /*
  5328. * Bits 0..2 --> speed detected,
  5329. * Bits 13..15--> link is down
  5330. */
  5331. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5332. link_up = 1;
  5333. vars->line_speed = SPEED_10000;
  5334. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5335. params->port);
  5336. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5337. link_up = 1;
  5338. vars->line_speed = SPEED_1000;
  5339. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5340. params->port);
  5341. } else {
  5342. link_up = 0;
  5343. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5344. params->port);
  5345. }
  5346. /* Capture 10G link fault. */
  5347. if (vars->line_speed == SPEED_10000) {
  5348. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5349. MDIO_PMA_REG_TX_ALARM, &val1);
  5350. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5351. MDIO_PMA_REG_TX_ALARM, &val1);
  5352. if (val1 & (1<<0)) {
  5353. vars->fault_detected = 1;
  5354. }
  5355. }
  5356. if (link_up) {
  5357. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5358. vars->duplex = DUPLEX_FULL;
  5359. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5360. }
  5361. if ((DUAL_MEDIA(params)) &&
  5362. (phy->req_line_speed == SPEED_1000)) {
  5363. bnx2x_cl45_read(bp, phy,
  5364. MDIO_PMA_DEVAD,
  5365. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5366. /*
  5367. * In case of dual-media board and 1G, power up the XAUI side,
  5368. * otherwise power it down. For 10G it is done automatically
  5369. */
  5370. if (link_up)
  5371. val1 &= ~(3<<10);
  5372. else
  5373. val1 |= (3<<10);
  5374. bnx2x_cl45_write(bp, phy,
  5375. MDIO_PMA_DEVAD,
  5376. MDIO_PMA_REG_8727_PCS_GP, val1);
  5377. }
  5378. return link_up;
  5379. }
  5380. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5381. struct link_params *params)
  5382. {
  5383. struct bnx2x *bp = params->bp;
  5384. /* Disable Transmitter */
  5385. bnx2x_sfp_set_transmitter(params, phy, 0);
  5386. /* Clear LASI */
  5387. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5388. }
  5389. /******************************************************************/
  5390. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5391. /******************************************************************/
  5392. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5393. struct link_params *params)
  5394. {
  5395. u16 val, fw_ver1, fw_ver2, cnt;
  5396. u8 port;
  5397. struct bnx2x *bp = params->bp;
  5398. port = params->port;
  5399. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5400. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5401. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  5402. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5403. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  5404. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  5405. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  5406. for (cnt = 0; cnt < 100; cnt++) {
  5407. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5408. if (val & 1)
  5409. break;
  5410. udelay(5);
  5411. }
  5412. if (cnt == 100) {
  5413. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5414. bnx2x_save_spirom_version(bp, port, 0,
  5415. phy->ver_addr);
  5416. return;
  5417. }
  5418. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5419. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  5420. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5421. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  5422. for (cnt = 0; cnt < 100; cnt++) {
  5423. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5424. if (val & 1)
  5425. break;
  5426. udelay(5);
  5427. }
  5428. if (cnt == 100) {
  5429. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5430. bnx2x_save_spirom_version(bp, port, 0,
  5431. phy->ver_addr);
  5432. return;
  5433. }
  5434. /* lower 16 bits of the register SPI_FW_STATUS */
  5435. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  5436. /* upper 16 bits of register SPI_FW_STATUS */
  5437. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  5438. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  5439. phy->ver_addr);
  5440. }
  5441. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5442. struct bnx2x_phy *phy)
  5443. {
  5444. u16 val;
  5445. /* PHYC_CTL_LED_CTL */
  5446. bnx2x_cl45_read(bp, phy,
  5447. MDIO_PMA_DEVAD,
  5448. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  5449. val &= 0xFE00;
  5450. val |= 0x0092;
  5451. bnx2x_cl45_write(bp, phy,
  5452. MDIO_PMA_DEVAD,
  5453. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  5454. bnx2x_cl45_write(bp, phy,
  5455. MDIO_PMA_DEVAD,
  5456. MDIO_PMA_REG_8481_LED1_MASK,
  5457. 0x80);
  5458. bnx2x_cl45_write(bp, phy,
  5459. MDIO_PMA_DEVAD,
  5460. MDIO_PMA_REG_8481_LED2_MASK,
  5461. 0x18);
  5462. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5463. bnx2x_cl45_write(bp, phy,
  5464. MDIO_PMA_DEVAD,
  5465. MDIO_PMA_REG_8481_LED3_MASK,
  5466. 0x0006);
  5467. /* Select the closest activity blink rate to that in 10/100/1000 */
  5468. bnx2x_cl45_write(bp, phy,
  5469. MDIO_PMA_DEVAD,
  5470. MDIO_PMA_REG_8481_LED3_BLINK,
  5471. 0);
  5472. bnx2x_cl45_read(bp, phy,
  5473. MDIO_PMA_DEVAD,
  5474. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  5475. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5476. bnx2x_cl45_write(bp, phy,
  5477. MDIO_PMA_DEVAD,
  5478. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  5479. /* 'Interrupt Mask' */
  5480. bnx2x_cl45_write(bp, phy,
  5481. MDIO_AN_DEVAD,
  5482. 0xFFFB, 0xFFFD);
  5483. }
  5484. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5485. struct link_params *params,
  5486. struct link_vars *vars)
  5487. {
  5488. struct bnx2x *bp = params->bp;
  5489. u16 autoneg_val, an_1000_val, an_10_100_val;
  5490. u16 tmp_req_line_speed;
  5491. tmp_req_line_speed = phy->req_line_speed;
  5492. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5493. if (phy->req_line_speed == SPEED_10000)
  5494. phy->req_line_speed = SPEED_AUTO_NEG;
  5495. /*
  5496. * This phy uses the NIG latch mechanism since link indication
  5497. * arrives through its LED4 and not via its LASI signal, so we
  5498. * get steady signal instead of clear on read
  5499. */
  5500. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5501. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5502. bnx2x_cl45_write(bp, phy,
  5503. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5504. bnx2x_848xx_set_led(bp, phy);
  5505. /* set 1000 speed advertisement */
  5506. bnx2x_cl45_read(bp, phy,
  5507. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5508. &an_1000_val);
  5509. bnx2x_ext_phy_set_pause(params, phy, vars);
  5510. bnx2x_cl45_read(bp, phy,
  5511. MDIO_AN_DEVAD,
  5512. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5513. &an_10_100_val);
  5514. bnx2x_cl45_read(bp, phy,
  5515. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5516. &autoneg_val);
  5517. /* Disable forced speed */
  5518. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5519. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5520. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5521. (phy->speed_cap_mask &
  5522. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5523. (phy->req_line_speed == SPEED_1000)) {
  5524. an_1000_val |= (1<<8);
  5525. autoneg_val |= (1<<9 | 1<<12);
  5526. if (phy->req_duplex == DUPLEX_FULL)
  5527. an_1000_val |= (1<<9);
  5528. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5529. } else
  5530. an_1000_val &= ~((1<<8) | (1<<9));
  5531. bnx2x_cl45_write(bp, phy,
  5532. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5533. an_1000_val);
  5534. /* set 10 speed advertisement */
  5535. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5536. (phy->speed_cap_mask &
  5537. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5538. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5539. an_10_100_val |= (1<<7);
  5540. /* Enable autoneg and restart autoneg for legacy speeds */
  5541. autoneg_val |= (1<<9 | 1<<12);
  5542. if (phy->req_duplex == DUPLEX_FULL)
  5543. an_10_100_val |= (1<<8);
  5544. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5545. }
  5546. /* set 10 speed advertisement */
  5547. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5548. (phy->speed_cap_mask &
  5549. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5550. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5551. an_10_100_val |= (1<<5);
  5552. autoneg_val |= (1<<9 | 1<<12);
  5553. if (phy->req_duplex == DUPLEX_FULL)
  5554. an_10_100_val |= (1<<6);
  5555. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5556. }
  5557. /* Only 10/100 are allowed to work in FORCE mode */
  5558. if (phy->req_line_speed == SPEED_100) {
  5559. autoneg_val |= (1<<13);
  5560. /* Enabled AUTO-MDIX when autoneg is disabled */
  5561. bnx2x_cl45_write(bp, phy,
  5562. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5563. (1<<15 | 1<<9 | 7<<0));
  5564. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5565. }
  5566. if (phy->req_line_speed == SPEED_10) {
  5567. /* Enabled AUTO-MDIX when autoneg is disabled */
  5568. bnx2x_cl45_write(bp, phy,
  5569. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5570. (1<<15 | 1<<9 | 7<<0));
  5571. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5572. }
  5573. bnx2x_cl45_write(bp, phy,
  5574. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5575. an_10_100_val);
  5576. if (phy->req_duplex == DUPLEX_FULL)
  5577. autoneg_val |= (1<<8);
  5578. bnx2x_cl45_write(bp, phy,
  5579. MDIO_AN_DEVAD,
  5580. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5581. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5582. (phy->speed_cap_mask &
  5583. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5584. (phy->req_line_speed == SPEED_10000)) {
  5585. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5586. /* Restart autoneg for 10G*/
  5587. bnx2x_cl45_write(bp, phy,
  5588. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5589. 0x3200);
  5590. } else if (phy->req_line_speed != SPEED_10 &&
  5591. phy->req_line_speed != SPEED_100) {
  5592. bnx2x_cl45_write(bp, phy,
  5593. MDIO_AN_DEVAD,
  5594. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5595. 1);
  5596. }
  5597. /* Save spirom version */
  5598. bnx2x_save_848xx_spirom_version(phy, params);
  5599. phy->req_line_speed = tmp_req_line_speed;
  5600. return 0;
  5601. }
  5602. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5603. struct link_params *params,
  5604. struct link_vars *vars)
  5605. {
  5606. struct bnx2x *bp = params->bp;
  5607. /* Restore normal power mode*/
  5608. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5609. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5610. /* HW reset */
  5611. bnx2x_ext_phy_hw_reset(bp, params->port);
  5612. bnx2x_wait_reset_complete(bp, phy, params);
  5613. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5614. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5615. }
  5616. #define PHY84833_HDSHK_WAIT 300
  5617. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  5618. struct link_params *params,
  5619. struct link_vars *vars)
  5620. {
  5621. u32 idx;
  5622. u16 val;
  5623. u16 data = 0x01b1;
  5624. struct bnx2x *bp = params->bp;
  5625. /* Do pair swap */
  5626. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  5627. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5628. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5629. PHY84833_CMD_OPEN_OVERRIDE);
  5630. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5631. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5632. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5633. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  5634. break;
  5635. msleep(1);
  5636. }
  5637. if (idx >= PHY84833_HDSHK_WAIT) {
  5638. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  5639. return -EINVAL;
  5640. }
  5641. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5642. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  5643. data);
  5644. /* Issue pair swap command */
  5645. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5646. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  5647. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  5648. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5649. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5650. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5651. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  5652. (val == PHY84833_CMD_COMPLETE_ERROR))
  5653. break;
  5654. msleep(1);
  5655. }
  5656. if ((idx >= PHY84833_HDSHK_WAIT) ||
  5657. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  5658. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  5659. return -EINVAL;
  5660. }
  5661. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5662. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5663. PHY84833_CMD_CLEAR_COMPLETE);
  5664. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  5665. return 0;
  5666. }
  5667. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5668. struct link_params *params,
  5669. struct link_vars *vars)
  5670. {
  5671. struct bnx2x *bp = params->bp;
  5672. u8 port, initialize = 1;
  5673. u16 val;
  5674. u16 temp;
  5675. u32 actual_phy_selection, cms_enable;
  5676. int rc = 0;
  5677. msleep(1);
  5678. if (!(CHIP_IS_E1(bp)))
  5679. port = BP_PATH(bp);
  5680. else
  5681. port = params->port;
  5682. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5683. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5684. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5685. port);
  5686. } else {
  5687. bnx2x_cl45_write(bp, phy,
  5688. MDIO_PMA_DEVAD,
  5689. MDIO_PMA_REG_CTRL, 0x8000);
  5690. }
  5691. bnx2x_wait_reset_complete(bp, phy, params);
  5692. /* Wait for GPHY to come out of reset */
  5693. msleep(50);
  5694. /* Bring PHY out of super isolate mode */
  5695. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  5696. bnx2x_cl45_read(bp, phy,
  5697. MDIO_CTL_DEVAD,
  5698. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  5699. val &= ~MDIO_84833_SUPER_ISOLATE;
  5700. bnx2x_cl45_write(bp, phy,
  5701. MDIO_CTL_DEVAD,
  5702. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  5703. bnx2x_wait_reset_complete(bp, phy, params);
  5704. }
  5705. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5706. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  5707. /*
  5708. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5709. */
  5710. temp = vars->line_speed;
  5711. vars->line_speed = SPEED_10000;
  5712. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5713. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5714. vars->line_speed = temp;
  5715. /* Set dual-media configuration according to configuration */
  5716. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5717. MDIO_CTL_REG_84823_MEDIA, &val);
  5718. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5719. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5720. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5721. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5722. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5723. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5724. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5725. actual_phy_selection = bnx2x_phy_selection(params);
  5726. switch (actual_phy_selection) {
  5727. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5728. /* Do nothing. Essentially this is like the priority copper */
  5729. break;
  5730. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5731. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5732. break;
  5733. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5734. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5735. break;
  5736. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5737. /* Do nothing here. The first PHY won't be initialized at all */
  5738. break;
  5739. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5740. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5741. initialize = 0;
  5742. break;
  5743. }
  5744. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5745. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5746. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5747. MDIO_CTL_REG_84823_MEDIA, val);
  5748. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5749. params->multi_phy_config, val);
  5750. if (initialize)
  5751. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5752. else
  5753. bnx2x_save_848xx_spirom_version(phy, params);
  5754. cms_enable = REG_RD(bp, params->shmem_base +
  5755. offsetof(struct shmem_region,
  5756. dev_info.port_hw_config[params->port].default_cfg)) &
  5757. PORT_HW_CFG_ENABLE_CMS_MASK;
  5758. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5759. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5760. if (cms_enable)
  5761. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5762. else
  5763. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5764. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5765. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5766. return rc;
  5767. }
  5768. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5769. struct link_params *params,
  5770. struct link_vars *vars)
  5771. {
  5772. struct bnx2x *bp = params->bp;
  5773. u16 val, val1, val2;
  5774. u8 link_up = 0;
  5775. /* Check 10G-BaseT link status */
  5776. /* Check PMD signal ok */
  5777. bnx2x_cl45_read(bp, phy,
  5778. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5779. bnx2x_cl45_read(bp, phy,
  5780. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  5781. &val2);
  5782. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5783. /* Check link 10G */
  5784. if (val2 & (1<<11)) {
  5785. vars->line_speed = SPEED_10000;
  5786. vars->duplex = DUPLEX_FULL;
  5787. link_up = 1;
  5788. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5789. } else { /* Check Legacy speed link */
  5790. u16 legacy_status, legacy_speed;
  5791. /* Enable expansion register 0x42 (Operation mode status) */
  5792. bnx2x_cl45_write(bp, phy,
  5793. MDIO_AN_DEVAD,
  5794. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5795. /* Get legacy speed operation status */
  5796. bnx2x_cl45_read(bp, phy,
  5797. MDIO_AN_DEVAD,
  5798. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5799. &legacy_status);
  5800. DP(NETIF_MSG_LINK, "Legacy speed status"
  5801. " = 0x%x\n", legacy_status);
  5802. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5803. if (link_up) {
  5804. legacy_speed = (legacy_status & (3<<9));
  5805. if (legacy_speed == (0<<9))
  5806. vars->line_speed = SPEED_10;
  5807. else if (legacy_speed == (1<<9))
  5808. vars->line_speed = SPEED_100;
  5809. else if (legacy_speed == (2<<9))
  5810. vars->line_speed = SPEED_1000;
  5811. else /* Should not happen */
  5812. vars->line_speed = 0;
  5813. if (legacy_status & (1<<8))
  5814. vars->duplex = DUPLEX_FULL;
  5815. else
  5816. vars->duplex = DUPLEX_HALF;
  5817. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5818. " is_duplex_full= %d\n", vars->line_speed,
  5819. (vars->duplex == DUPLEX_FULL));
  5820. /* Check legacy speed AN resolution */
  5821. bnx2x_cl45_read(bp, phy,
  5822. MDIO_AN_DEVAD,
  5823. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5824. &val);
  5825. if (val & (1<<5))
  5826. vars->link_status |=
  5827. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5828. bnx2x_cl45_read(bp, phy,
  5829. MDIO_AN_DEVAD,
  5830. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5831. &val);
  5832. if ((val & (1<<0)) == 0)
  5833. vars->link_status |=
  5834. LINK_STATUS_PARALLEL_DETECTION_USED;
  5835. }
  5836. }
  5837. if (link_up) {
  5838. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5839. vars->line_speed);
  5840. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5841. }
  5842. return link_up;
  5843. }
  5844. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5845. {
  5846. int status = 0;
  5847. u32 spirom_ver;
  5848. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5849. status = bnx2x_format_ver(spirom_ver, str, len);
  5850. return status;
  5851. }
  5852. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5853. struct link_params *params)
  5854. {
  5855. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5856. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5857. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5858. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5859. }
  5860. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5861. struct link_params *params)
  5862. {
  5863. bnx2x_cl45_write(params->bp, phy,
  5864. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5865. bnx2x_cl45_write(params->bp, phy,
  5866. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5867. }
  5868. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5869. struct link_params *params)
  5870. {
  5871. struct bnx2x *bp = params->bp;
  5872. u8 port;
  5873. if (!(CHIP_IS_E1(bp)))
  5874. port = BP_PATH(bp);
  5875. else
  5876. port = params->port;
  5877. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5878. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5879. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5880. port);
  5881. } else {
  5882. bnx2x_cl45_write(bp, phy,
  5883. MDIO_PMA_DEVAD,
  5884. MDIO_PMA_REG_CTRL, 0x800);
  5885. }
  5886. }
  5887. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5888. struct link_params *params, u8 mode)
  5889. {
  5890. struct bnx2x *bp = params->bp;
  5891. u16 val;
  5892. u8 port;
  5893. if (!(CHIP_IS_E1(bp)))
  5894. port = BP_PATH(bp);
  5895. else
  5896. port = params->port;
  5897. switch (mode) {
  5898. case LED_MODE_OFF:
  5899. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  5900. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5901. SHARED_HW_CFG_LED_EXTPHY1) {
  5902. /* Set LED masks */
  5903. bnx2x_cl45_write(bp, phy,
  5904. MDIO_PMA_DEVAD,
  5905. MDIO_PMA_REG_8481_LED1_MASK,
  5906. 0x0);
  5907. bnx2x_cl45_write(bp, phy,
  5908. MDIO_PMA_DEVAD,
  5909. MDIO_PMA_REG_8481_LED2_MASK,
  5910. 0x0);
  5911. bnx2x_cl45_write(bp, phy,
  5912. MDIO_PMA_DEVAD,
  5913. MDIO_PMA_REG_8481_LED3_MASK,
  5914. 0x0);
  5915. bnx2x_cl45_write(bp, phy,
  5916. MDIO_PMA_DEVAD,
  5917. MDIO_PMA_REG_8481_LED5_MASK,
  5918. 0x0);
  5919. } else {
  5920. bnx2x_cl45_write(bp, phy,
  5921. MDIO_PMA_DEVAD,
  5922. MDIO_PMA_REG_8481_LED1_MASK,
  5923. 0x0);
  5924. }
  5925. break;
  5926. case LED_MODE_FRONT_PANEL_OFF:
  5927. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5928. port);
  5929. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5930. SHARED_HW_CFG_LED_EXTPHY1) {
  5931. /* Set LED masks */
  5932. bnx2x_cl45_write(bp, phy,
  5933. MDIO_PMA_DEVAD,
  5934. MDIO_PMA_REG_8481_LED1_MASK,
  5935. 0x0);
  5936. bnx2x_cl45_write(bp, phy,
  5937. MDIO_PMA_DEVAD,
  5938. MDIO_PMA_REG_8481_LED2_MASK,
  5939. 0x0);
  5940. bnx2x_cl45_write(bp, phy,
  5941. MDIO_PMA_DEVAD,
  5942. MDIO_PMA_REG_8481_LED3_MASK,
  5943. 0x0);
  5944. bnx2x_cl45_write(bp, phy,
  5945. MDIO_PMA_DEVAD,
  5946. MDIO_PMA_REG_8481_LED5_MASK,
  5947. 0x20);
  5948. } else {
  5949. bnx2x_cl45_write(bp, phy,
  5950. MDIO_PMA_DEVAD,
  5951. MDIO_PMA_REG_8481_LED1_MASK,
  5952. 0x0);
  5953. }
  5954. break;
  5955. case LED_MODE_ON:
  5956. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  5957. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5958. SHARED_HW_CFG_LED_EXTPHY1) {
  5959. /* Set control reg */
  5960. bnx2x_cl45_read(bp, phy,
  5961. MDIO_PMA_DEVAD,
  5962. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5963. &val);
  5964. val &= 0x8000;
  5965. val |= 0x2492;
  5966. bnx2x_cl45_write(bp, phy,
  5967. MDIO_PMA_DEVAD,
  5968. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5969. val);
  5970. /* Set LED masks */
  5971. bnx2x_cl45_write(bp, phy,
  5972. MDIO_PMA_DEVAD,
  5973. MDIO_PMA_REG_8481_LED1_MASK,
  5974. 0x0);
  5975. bnx2x_cl45_write(bp, phy,
  5976. MDIO_PMA_DEVAD,
  5977. MDIO_PMA_REG_8481_LED2_MASK,
  5978. 0x20);
  5979. bnx2x_cl45_write(bp, phy,
  5980. MDIO_PMA_DEVAD,
  5981. MDIO_PMA_REG_8481_LED3_MASK,
  5982. 0x20);
  5983. bnx2x_cl45_write(bp, phy,
  5984. MDIO_PMA_DEVAD,
  5985. MDIO_PMA_REG_8481_LED5_MASK,
  5986. 0x0);
  5987. } else {
  5988. bnx2x_cl45_write(bp, phy,
  5989. MDIO_PMA_DEVAD,
  5990. MDIO_PMA_REG_8481_LED1_MASK,
  5991. 0x20);
  5992. }
  5993. break;
  5994. case LED_MODE_OPER:
  5995. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  5996. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5997. SHARED_HW_CFG_LED_EXTPHY1) {
  5998. /* Set control reg */
  5999. bnx2x_cl45_read(bp, phy,
  6000. MDIO_PMA_DEVAD,
  6001. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6002. &val);
  6003. if (!((val &
  6004. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  6005. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  6006. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  6007. bnx2x_cl45_write(bp, phy,
  6008. MDIO_PMA_DEVAD,
  6009. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6010. 0xa492);
  6011. }
  6012. /* Set LED masks */
  6013. bnx2x_cl45_write(bp, phy,
  6014. MDIO_PMA_DEVAD,
  6015. MDIO_PMA_REG_8481_LED1_MASK,
  6016. 0x10);
  6017. bnx2x_cl45_write(bp, phy,
  6018. MDIO_PMA_DEVAD,
  6019. MDIO_PMA_REG_8481_LED2_MASK,
  6020. 0x80);
  6021. bnx2x_cl45_write(bp, phy,
  6022. MDIO_PMA_DEVAD,
  6023. MDIO_PMA_REG_8481_LED3_MASK,
  6024. 0x98);
  6025. bnx2x_cl45_write(bp, phy,
  6026. MDIO_PMA_DEVAD,
  6027. MDIO_PMA_REG_8481_LED5_MASK,
  6028. 0x40);
  6029. } else {
  6030. bnx2x_cl45_write(bp, phy,
  6031. MDIO_PMA_DEVAD,
  6032. MDIO_PMA_REG_8481_LED1_MASK,
  6033. 0x80);
  6034. /* Tell LED3 to blink on source */
  6035. bnx2x_cl45_read(bp, phy,
  6036. MDIO_PMA_DEVAD,
  6037. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6038. &val);
  6039. val &= ~(7<<6);
  6040. val |= (1<<6); /* A83B[8:6]= 1 */
  6041. bnx2x_cl45_write(bp, phy,
  6042. MDIO_PMA_DEVAD,
  6043. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6044. val);
  6045. }
  6046. break;
  6047. }
  6048. }
  6049. /******************************************************************/
  6050. /* SFX7101 PHY SECTION */
  6051. /******************************************************************/
  6052. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  6053. struct link_params *params)
  6054. {
  6055. struct bnx2x *bp = params->bp;
  6056. /* SFX7101_XGXS_TEST1 */
  6057. bnx2x_cl45_write(bp, phy,
  6058. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  6059. }
  6060. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  6061. struct link_params *params,
  6062. struct link_vars *vars)
  6063. {
  6064. u16 fw_ver1, fw_ver2, val;
  6065. struct bnx2x *bp = params->bp;
  6066. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  6067. /* Restore normal power mode*/
  6068. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6069. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6070. /* HW reset */
  6071. bnx2x_ext_phy_hw_reset(bp, params->port);
  6072. bnx2x_wait_reset_complete(bp, phy, params);
  6073. bnx2x_cl45_write(bp, phy,
  6074. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  6075. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  6076. bnx2x_cl45_write(bp, phy,
  6077. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  6078. bnx2x_ext_phy_set_pause(params, phy, vars);
  6079. /* Restart autoneg */
  6080. bnx2x_cl45_read(bp, phy,
  6081. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  6082. val |= 0x200;
  6083. bnx2x_cl45_write(bp, phy,
  6084. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  6085. /* Save spirom version */
  6086. bnx2x_cl45_read(bp, phy,
  6087. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  6088. bnx2x_cl45_read(bp, phy,
  6089. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  6090. bnx2x_save_spirom_version(bp, params->port,
  6091. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  6092. return 0;
  6093. }
  6094. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  6095. struct link_params *params,
  6096. struct link_vars *vars)
  6097. {
  6098. struct bnx2x *bp = params->bp;
  6099. u8 link_up;
  6100. u16 val1, val2;
  6101. bnx2x_cl45_read(bp, phy,
  6102. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  6103. bnx2x_cl45_read(bp, phy,
  6104. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  6105. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  6106. val2, val1);
  6107. bnx2x_cl45_read(bp, phy,
  6108. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6109. bnx2x_cl45_read(bp, phy,
  6110. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6111. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  6112. val2, val1);
  6113. link_up = ((val1 & 4) == 4);
  6114. /* if link is up print the AN outcome of the SFX7101 PHY */
  6115. if (link_up) {
  6116. bnx2x_cl45_read(bp, phy,
  6117. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  6118. &val2);
  6119. vars->line_speed = SPEED_10000;
  6120. vars->duplex = DUPLEX_FULL;
  6121. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  6122. val2, (val2 & (1<<14)));
  6123. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6124. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6125. }
  6126. return link_up;
  6127. }
  6128. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  6129. {
  6130. if (*len < 5)
  6131. return -EINVAL;
  6132. str[0] = (spirom_ver & 0xFF);
  6133. str[1] = (spirom_ver & 0xFF00) >> 8;
  6134. str[2] = (spirom_ver & 0xFF0000) >> 16;
  6135. str[3] = (spirom_ver & 0xFF000000) >> 24;
  6136. str[4] = '\0';
  6137. *len -= 5;
  6138. return 0;
  6139. }
  6140. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  6141. {
  6142. u16 val, cnt;
  6143. bnx2x_cl45_read(bp, phy,
  6144. MDIO_PMA_DEVAD,
  6145. MDIO_PMA_REG_7101_RESET, &val);
  6146. for (cnt = 0; cnt < 10; cnt++) {
  6147. msleep(50);
  6148. /* Writes a self-clearing reset */
  6149. bnx2x_cl45_write(bp, phy,
  6150. MDIO_PMA_DEVAD,
  6151. MDIO_PMA_REG_7101_RESET,
  6152. (val | (1<<15)));
  6153. /* Wait for clear */
  6154. bnx2x_cl45_read(bp, phy,
  6155. MDIO_PMA_DEVAD,
  6156. MDIO_PMA_REG_7101_RESET, &val);
  6157. if ((val & (1<<15)) == 0)
  6158. break;
  6159. }
  6160. }
  6161. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  6162. struct link_params *params) {
  6163. /* Low power mode is controlled by GPIO 2 */
  6164. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  6165. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6166. /* The PHY reset is controlled by GPIO 1 */
  6167. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  6168. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6169. }
  6170. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  6171. struct link_params *params, u8 mode)
  6172. {
  6173. u16 val = 0;
  6174. struct bnx2x *bp = params->bp;
  6175. switch (mode) {
  6176. case LED_MODE_FRONT_PANEL_OFF:
  6177. case LED_MODE_OFF:
  6178. val = 2;
  6179. break;
  6180. case LED_MODE_ON:
  6181. val = 1;
  6182. break;
  6183. case LED_MODE_OPER:
  6184. val = 0;
  6185. break;
  6186. }
  6187. bnx2x_cl45_write(bp, phy,
  6188. MDIO_PMA_DEVAD,
  6189. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  6190. val);
  6191. }
  6192. /******************************************************************/
  6193. /* STATIC PHY DECLARATION */
  6194. /******************************************************************/
  6195. static struct bnx2x_phy phy_null = {
  6196. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6197. .addr = 0,
  6198. .def_md_devad = 0,
  6199. .flags = FLAGS_INIT_XGXS_FIRST,
  6200. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6201. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6202. .mdio_ctrl = 0,
  6203. .supported = 0,
  6204. .media_type = ETH_PHY_NOT_PRESENT,
  6205. .ver_addr = 0,
  6206. .req_flow_ctrl = 0,
  6207. .req_line_speed = 0,
  6208. .speed_cap_mask = 0,
  6209. .req_duplex = 0,
  6210. .rsrv = 0,
  6211. .config_init = (config_init_t)NULL,
  6212. .read_status = (read_status_t)NULL,
  6213. .link_reset = (link_reset_t)NULL,
  6214. .config_loopback = (config_loopback_t)NULL,
  6215. .format_fw_ver = (format_fw_ver_t)NULL,
  6216. .hw_reset = (hw_reset_t)NULL,
  6217. .set_link_led = (set_link_led_t)NULL,
  6218. .phy_specific_func = (phy_specific_func_t)NULL
  6219. };
  6220. static struct bnx2x_phy phy_serdes = {
  6221. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6222. .addr = 0xff,
  6223. .def_md_devad = 0,
  6224. .flags = 0,
  6225. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6226. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6227. .mdio_ctrl = 0,
  6228. .supported = (SUPPORTED_10baseT_Half |
  6229. SUPPORTED_10baseT_Full |
  6230. SUPPORTED_100baseT_Half |
  6231. SUPPORTED_100baseT_Full |
  6232. SUPPORTED_1000baseT_Full |
  6233. SUPPORTED_2500baseX_Full |
  6234. SUPPORTED_TP |
  6235. SUPPORTED_Autoneg |
  6236. SUPPORTED_Pause |
  6237. SUPPORTED_Asym_Pause),
  6238. .media_type = ETH_PHY_BASE_T,
  6239. .ver_addr = 0,
  6240. .req_flow_ctrl = 0,
  6241. .req_line_speed = 0,
  6242. .speed_cap_mask = 0,
  6243. .req_duplex = 0,
  6244. .rsrv = 0,
  6245. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6246. .read_status = (read_status_t)bnx2x_link_settings_status,
  6247. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6248. .config_loopback = (config_loopback_t)NULL,
  6249. .format_fw_ver = (format_fw_ver_t)NULL,
  6250. .hw_reset = (hw_reset_t)NULL,
  6251. .set_link_led = (set_link_led_t)NULL,
  6252. .phy_specific_func = (phy_specific_func_t)NULL
  6253. };
  6254. static struct bnx2x_phy phy_xgxs = {
  6255. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6256. .addr = 0xff,
  6257. .def_md_devad = 0,
  6258. .flags = 0,
  6259. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6260. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6261. .mdio_ctrl = 0,
  6262. .supported = (SUPPORTED_10baseT_Half |
  6263. SUPPORTED_10baseT_Full |
  6264. SUPPORTED_100baseT_Half |
  6265. SUPPORTED_100baseT_Full |
  6266. SUPPORTED_1000baseT_Full |
  6267. SUPPORTED_2500baseX_Full |
  6268. SUPPORTED_10000baseT_Full |
  6269. SUPPORTED_FIBRE |
  6270. SUPPORTED_Autoneg |
  6271. SUPPORTED_Pause |
  6272. SUPPORTED_Asym_Pause),
  6273. .media_type = ETH_PHY_CX4,
  6274. .ver_addr = 0,
  6275. .req_flow_ctrl = 0,
  6276. .req_line_speed = 0,
  6277. .speed_cap_mask = 0,
  6278. .req_duplex = 0,
  6279. .rsrv = 0,
  6280. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6281. .read_status = (read_status_t)bnx2x_link_settings_status,
  6282. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6283. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6284. .format_fw_ver = (format_fw_ver_t)NULL,
  6285. .hw_reset = (hw_reset_t)NULL,
  6286. .set_link_led = (set_link_led_t)NULL,
  6287. .phy_specific_func = (phy_specific_func_t)NULL
  6288. };
  6289. static struct bnx2x_phy phy_7101 = {
  6290. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6291. .addr = 0xff,
  6292. .def_md_devad = 0,
  6293. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6294. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6295. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6296. .mdio_ctrl = 0,
  6297. .supported = (SUPPORTED_10000baseT_Full |
  6298. SUPPORTED_TP |
  6299. SUPPORTED_Autoneg |
  6300. SUPPORTED_Pause |
  6301. SUPPORTED_Asym_Pause),
  6302. .media_type = ETH_PHY_BASE_T,
  6303. .ver_addr = 0,
  6304. .req_flow_ctrl = 0,
  6305. .req_line_speed = 0,
  6306. .speed_cap_mask = 0,
  6307. .req_duplex = 0,
  6308. .rsrv = 0,
  6309. .config_init = (config_init_t)bnx2x_7101_config_init,
  6310. .read_status = (read_status_t)bnx2x_7101_read_status,
  6311. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6312. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6313. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6314. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6315. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6316. .phy_specific_func = (phy_specific_func_t)NULL
  6317. };
  6318. static struct bnx2x_phy phy_8073 = {
  6319. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6320. .addr = 0xff,
  6321. .def_md_devad = 0,
  6322. .flags = FLAGS_HW_LOCK_REQUIRED,
  6323. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6324. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6325. .mdio_ctrl = 0,
  6326. .supported = (SUPPORTED_10000baseT_Full |
  6327. SUPPORTED_2500baseX_Full |
  6328. SUPPORTED_1000baseT_Full |
  6329. SUPPORTED_FIBRE |
  6330. SUPPORTED_Autoneg |
  6331. SUPPORTED_Pause |
  6332. SUPPORTED_Asym_Pause),
  6333. .media_type = ETH_PHY_KR,
  6334. .ver_addr = 0,
  6335. .req_flow_ctrl = 0,
  6336. .req_line_speed = 0,
  6337. .speed_cap_mask = 0,
  6338. .req_duplex = 0,
  6339. .rsrv = 0,
  6340. .config_init = (config_init_t)bnx2x_8073_config_init,
  6341. .read_status = (read_status_t)bnx2x_8073_read_status,
  6342. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6343. .config_loopback = (config_loopback_t)NULL,
  6344. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6345. .hw_reset = (hw_reset_t)NULL,
  6346. .set_link_led = (set_link_led_t)NULL,
  6347. .phy_specific_func = (phy_specific_func_t)NULL
  6348. };
  6349. static struct bnx2x_phy phy_8705 = {
  6350. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6351. .addr = 0xff,
  6352. .def_md_devad = 0,
  6353. .flags = FLAGS_INIT_XGXS_FIRST,
  6354. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6355. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6356. .mdio_ctrl = 0,
  6357. .supported = (SUPPORTED_10000baseT_Full |
  6358. SUPPORTED_FIBRE |
  6359. SUPPORTED_Pause |
  6360. SUPPORTED_Asym_Pause),
  6361. .media_type = ETH_PHY_XFP_FIBER,
  6362. .ver_addr = 0,
  6363. .req_flow_ctrl = 0,
  6364. .req_line_speed = 0,
  6365. .speed_cap_mask = 0,
  6366. .req_duplex = 0,
  6367. .rsrv = 0,
  6368. .config_init = (config_init_t)bnx2x_8705_config_init,
  6369. .read_status = (read_status_t)bnx2x_8705_read_status,
  6370. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6371. .config_loopback = (config_loopback_t)NULL,
  6372. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6373. .hw_reset = (hw_reset_t)NULL,
  6374. .set_link_led = (set_link_led_t)NULL,
  6375. .phy_specific_func = (phy_specific_func_t)NULL
  6376. };
  6377. static struct bnx2x_phy phy_8706 = {
  6378. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6379. .addr = 0xff,
  6380. .def_md_devad = 0,
  6381. .flags = FLAGS_INIT_XGXS_FIRST,
  6382. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6383. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6384. .mdio_ctrl = 0,
  6385. .supported = (SUPPORTED_10000baseT_Full |
  6386. SUPPORTED_1000baseT_Full |
  6387. SUPPORTED_FIBRE |
  6388. SUPPORTED_Pause |
  6389. SUPPORTED_Asym_Pause),
  6390. .media_type = ETH_PHY_SFP_FIBER,
  6391. .ver_addr = 0,
  6392. .req_flow_ctrl = 0,
  6393. .req_line_speed = 0,
  6394. .speed_cap_mask = 0,
  6395. .req_duplex = 0,
  6396. .rsrv = 0,
  6397. .config_init = (config_init_t)bnx2x_8706_config_init,
  6398. .read_status = (read_status_t)bnx2x_8706_read_status,
  6399. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6400. .config_loopback = (config_loopback_t)NULL,
  6401. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6402. .hw_reset = (hw_reset_t)NULL,
  6403. .set_link_led = (set_link_led_t)NULL,
  6404. .phy_specific_func = (phy_specific_func_t)NULL
  6405. };
  6406. static struct bnx2x_phy phy_8726 = {
  6407. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6408. .addr = 0xff,
  6409. .def_md_devad = 0,
  6410. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6411. FLAGS_INIT_XGXS_FIRST),
  6412. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6413. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6414. .mdio_ctrl = 0,
  6415. .supported = (SUPPORTED_10000baseT_Full |
  6416. SUPPORTED_1000baseT_Full |
  6417. SUPPORTED_Autoneg |
  6418. SUPPORTED_FIBRE |
  6419. SUPPORTED_Pause |
  6420. SUPPORTED_Asym_Pause),
  6421. .media_type = ETH_PHY_NOT_PRESENT,
  6422. .ver_addr = 0,
  6423. .req_flow_ctrl = 0,
  6424. .req_line_speed = 0,
  6425. .speed_cap_mask = 0,
  6426. .req_duplex = 0,
  6427. .rsrv = 0,
  6428. .config_init = (config_init_t)bnx2x_8726_config_init,
  6429. .read_status = (read_status_t)bnx2x_8726_read_status,
  6430. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6431. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6432. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6433. .hw_reset = (hw_reset_t)NULL,
  6434. .set_link_led = (set_link_led_t)NULL,
  6435. .phy_specific_func = (phy_specific_func_t)NULL
  6436. };
  6437. static struct bnx2x_phy phy_8727 = {
  6438. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6439. .addr = 0xff,
  6440. .def_md_devad = 0,
  6441. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6442. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6443. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6444. .mdio_ctrl = 0,
  6445. .supported = (SUPPORTED_10000baseT_Full |
  6446. SUPPORTED_1000baseT_Full |
  6447. SUPPORTED_FIBRE |
  6448. SUPPORTED_Pause |
  6449. SUPPORTED_Asym_Pause),
  6450. .media_type = ETH_PHY_NOT_PRESENT,
  6451. .ver_addr = 0,
  6452. .req_flow_ctrl = 0,
  6453. .req_line_speed = 0,
  6454. .speed_cap_mask = 0,
  6455. .req_duplex = 0,
  6456. .rsrv = 0,
  6457. .config_init = (config_init_t)bnx2x_8727_config_init,
  6458. .read_status = (read_status_t)bnx2x_8727_read_status,
  6459. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6460. .config_loopback = (config_loopback_t)NULL,
  6461. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6462. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6463. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6464. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6465. };
  6466. static struct bnx2x_phy phy_8481 = {
  6467. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6468. .addr = 0xff,
  6469. .def_md_devad = 0,
  6470. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6471. FLAGS_REARM_LATCH_SIGNAL,
  6472. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6473. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6474. .mdio_ctrl = 0,
  6475. .supported = (SUPPORTED_10baseT_Half |
  6476. SUPPORTED_10baseT_Full |
  6477. SUPPORTED_100baseT_Half |
  6478. SUPPORTED_100baseT_Full |
  6479. SUPPORTED_1000baseT_Full |
  6480. SUPPORTED_10000baseT_Full |
  6481. SUPPORTED_TP |
  6482. SUPPORTED_Autoneg |
  6483. SUPPORTED_Pause |
  6484. SUPPORTED_Asym_Pause),
  6485. .media_type = ETH_PHY_BASE_T,
  6486. .ver_addr = 0,
  6487. .req_flow_ctrl = 0,
  6488. .req_line_speed = 0,
  6489. .speed_cap_mask = 0,
  6490. .req_duplex = 0,
  6491. .rsrv = 0,
  6492. .config_init = (config_init_t)bnx2x_8481_config_init,
  6493. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6494. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6495. .config_loopback = (config_loopback_t)NULL,
  6496. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6497. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6498. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6499. .phy_specific_func = (phy_specific_func_t)NULL
  6500. };
  6501. static struct bnx2x_phy phy_84823 = {
  6502. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6503. .addr = 0xff,
  6504. .def_md_devad = 0,
  6505. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6506. FLAGS_REARM_LATCH_SIGNAL,
  6507. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6508. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6509. .mdio_ctrl = 0,
  6510. .supported = (SUPPORTED_10baseT_Half |
  6511. SUPPORTED_10baseT_Full |
  6512. SUPPORTED_100baseT_Half |
  6513. SUPPORTED_100baseT_Full |
  6514. SUPPORTED_1000baseT_Full |
  6515. SUPPORTED_10000baseT_Full |
  6516. SUPPORTED_TP |
  6517. SUPPORTED_Autoneg |
  6518. SUPPORTED_Pause |
  6519. SUPPORTED_Asym_Pause),
  6520. .media_type = ETH_PHY_BASE_T,
  6521. .ver_addr = 0,
  6522. .req_flow_ctrl = 0,
  6523. .req_line_speed = 0,
  6524. .speed_cap_mask = 0,
  6525. .req_duplex = 0,
  6526. .rsrv = 0,
  6527. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6528. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6529. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6530. .config_loopback = (config_loopback_t)NULL,
  6531. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6532. .hw_reset = (hw_reset_t)NULL,
  6533. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6534. .phy_specific_func = (phy_specific_func_t)NULL
  6535. };
  6536. static struct bnx2x_phy phy_84833 = {
  6537. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6538. .addr = 0xff,
  6539. .def_md_devad = 0,
  6540. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6541. FLAGS_REARM_LATCH_SIGNAL,
  6542. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6543. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6544. .mdio_ctrl = 0,
  6545. .supported = (SUPPORTED_10baseT_Half |
  6546. SUPPORTED_10baseT_Full |
  6547. SUPPORTED_100baseT_Half |
  6548. SUPPORTED_100baseT_Full |
  6549. SUPPORTED_1000baseT_Full |
  6550. SUPPORTED_10000baseT_Full |
  6551. SUPPORTED_TP |
  6552. SUPPORTED_Autoneg |
  6553. SUPPORTED_Pause |
  6554. SUPPORTED_Asym_Pause),
  6555. .media_type = ETH_PHY_BASE_T,
  6556. .ver_addr = 0,
  6557. .req_flow_ctrl = 0,
  6558. .req_line_speed = 0,
  6559. .speed_cap_mask = 0,
  6560. .req_duplex = 0,
  6561. .rsrv = 0,
  6562. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6563. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6564. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6565. .config_loopback = (config_loopback_t)NULL,
  6566. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6567. .hw_reset = (hw_reset_t)NULL,
  6568. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6569. .phy_specific_func = (phy_specific_func_t)NULL
  6570. };
  6571. /*****************************************************************/
  6572. /* */
  6573. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6574. /* */
  6575. /*****************************************************************/
  6576. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6577. struct bnx2x_phy *phy, u8 port,
  6578. u8 phy_index)
  6579. {
  6580. /* Get the 4 lanes xgxs config rx and tx */
  6581. u32 rx = 0, tx = 0, i;
  6582. for (i = 0; i < 2; i++) {
  6583. /*
  6584. * INT_PHY and EXT_PHY1 share the same value location in the
  6585. * shmem. When num_phys is greater than 1, than this value
  6586. * applies only to EXT_PHY1
  6587. */
  6588. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6589. rx = REG_RD(bp, shmem_base +
  6590. offsetof(struct shmem_region,
  6591. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6592. tx = REG_RD(bp, shmem_base +
  6593. offsetof(struct shmem_region,
  6594. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6595. } else {
  6596. rx = REG_RD(bp, shmem_base +
  6597. offsetof(struct shmem_region,
  6598. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6599. tx = REG_RD(bp, shmem_base +
  6600. offsetof(struct shmem_region,
  6601. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6602. }
  6603. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6604. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6605. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6606. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6607. }
  6608. }
  6609. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6610. u8 phy_index, u8 port)
  6611. {
  6612. u32 ext_phy_config = 0;
  6613. switch (phy_index) {
  6614. case EXT_PHY1:
  6615. ext_phy_config = REG_RD(bp, shmem_base +
  6616. offsetof(struct shmem_region,
  6617. dev_info.port_hw_config[port].external_phy_config));
  6618. break;
  6619. case EXT_PHY2:
  6620. ext_phy_config = REG_RD(bp, shmem_base +
  6621. offsetof(struct shmem_region,
  6622. dev_info.port_hw_config[port].external_phy_config2));
  6623. break;
  6624. default:
  6625. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6626. return -EINVAL;
  6627. }
  6628. return ext_phy_config;
  6629. }
  6630. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6631. struct bnx2x_phy *phy)
  6632. {
  6633. u32 phy_addr;
  6634. u32 chip_id;
  6635. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6636. offsetof(struct shmem_region,
  6637. dev_info.port_feature_config[port].link_config)) &
  6638. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6639. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6640. switch (switch_cfg) {
  6641. case SWITCH_CFG_1G:
  6642. phy_addr = REG_RD(bp,
  6643. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6644. port * 0x10);
  6645. *phy = phy_serdes;
  6646. break;
  6647. case SWITCH_CFG_10G:
  6648. phy_addr = REG_RD(bp,
  6649. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6650. port * 0x18);
  6651. *phy = phy_xgxs;
  6652. break;
  6653. default:
  6654. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6655. return -EINVAL;
  6656. }
  6657. phy->addr = (u8)phy_addr;
  6658. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6659. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6660. port);
  6661. if (CHIP_IS_E2(bp))
  6662. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6663. else
  6664. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6665. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6666. port, phy->addr, phy->mdio_ctrl);
  6667. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6668. return 0;
  6669. }
  6670. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  6671. u8 phy_index,
  6672. u32 shmem_base,
  6673. u32 shmem2_base,
  6674. u8 port,
  6675. struct bnx2x_phy *phy)
  6676. {
  6677. u32 ext_phy_config, phy_type, config2;
  6678. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6679. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6680. phy_index, port);
  6681. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6682. /* Select the phy type */
  6683. switch (phy_type) {
  6684. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6685. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6686. *phy = phy_8073;
  6687. break;
  6688. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6689. *phy = phy_8705;
  6690. break;
  6691. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6692. *phy = phy_8706;
  6693. break;
  6694. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6695. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6696. *phy = phy_8726;
  6697. break;
  6698. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6699. /* BCM8727_NOC => BCM8727 no over current */
  6700. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6701. *phy = phy_8727;
  6702. phy->flags |= FLAGS_NOC;
  6703. break;
  6704. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6705. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6706. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6707. *phy = phy_8727;
  6708. break;
  6709. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6710. *phy = phy_8481;
  6711. break;
  6712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6713. *phy = phy_84823;
  6714. break;
  6715. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6716. *phy = phy_84833;
  6717. break;
  6718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6719. *phy = phy_7101;
  6720. break;
  6721. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6722. *phy = phy_null;
  6723. return -EINVAL;
  6724. default:
  6725. *phy = phy_null;
  6726. return 0;
  6727. }
  6728. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6729. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6730. /*
  6731. * The shmem address of the phy version is located on different
  6732. * structures. In case this structure is too old, do not set
  6733. * the address
  6734. */
  6735. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6736. dev_info.shared_hw_config.config2));
  6737. if (phy_index == EXT_PHY1) {
  6738. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6739. port_mb[port].ext_phy_fw_version);
  6740. /* Check specific mdc mdio settings */
  6741. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6742. mdc_mdio_access = config2 &
  6743. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6744. } else {
  6745. u32 size = REG_RD(bp, shmem2_base);
  6746. if (size >
  6747. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6748. phy->ver_addr = shmem2_base +
  6749. offsetof(struct shmem2_region,
  6750. ext_phy_fw_version2[port]);
  6751. }
  6752. /* Check specific mdc mdio settings */
  6753. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6754. mdc_mdio_access = (config2 &
  6755. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6756. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6757. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6758. }
  6759. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6760. /*
  6761. * In case mdc/mdio_access of the external phy is different than the
  6762. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6763. * to prevent one port interfere with another port's CL45 operations.
  6764. */
  6765. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6766. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6767. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6768. phy_type, port, phy_index);
  6769. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6770. phy->addr, phy->mdio_ctrl);
  6771. return 0;
  6772. }
  6773. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6774. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6775. {
  6776. int status = 0;
  6777. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6778. if (phy_index == INT_PHY)
  6779. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6780. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6781. port, phy);
  6782. return status;
  6783. }
  6784. static void bnx2x_phy_def_cfg(struct link_params *params,
  6785. struct bnx2x_phy *phy,
  6786. u8 phy_index)
  6787. {
  6788. struct bnx2x *bp = params->bp;
  6789. u32 link_config;
  6790. /* Populate the default phy configuration for MF mode */
  6791. if (phy_index == EXT_PHY2) {
  6792. link_config = REG_RD(bp, params->shmem_base +
  6793. offsetof(struct shmem_region, dev_info.
  6794. port_feature_config[params->port].link_config2));
  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_mask2));
  6799. } else {
  6800. link_config = REG_RD(bp, params->shmem_base +
  6801. offsetof(struct shmem_region, dev_info.
  6802. port_feature_config[params->port].link_config));
  6803. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6804. offsetof(struct shmem_region,
  6805. dev_info.
  6806. port_hw_config[params->port].speed_capability_mask));
  6807. }
  6808. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6809. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6810. phy->req_duplex = DUPLEX_FULL;
  6811. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6812. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6813. phy->req_duplex = DUPLEX_HALF;
  6814. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6815. phy->req_line_speed = SPEED_10;
  6816. break;
  6817. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6818. phy->req_duplex = DUPLEX_HALF;
  6819. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6820. phy->req_line_speed = SPEED_100;
  6821. break;
  6822. case PORT_FEATURE_LINK_SPEED_1G:
  6823. phy->req_line_speed = SPEED_1000;
  6824. break;
  6825. case PORT_FEATURE_LINK_SPEED_2_5G:
  6826. phy->req_line_speed = SPEED_2500;
  6827. break;
  6828. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6829. phy->req_line_speed = SPEED_10000;
  6830. break;
  6831. default:
  6832. phy->req_line_speed = SPEED_AUTO_NEG;
  6833. break;
  6834. }
  6835. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6836. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6837. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6838. break;
  6839. case PORT_FEATURE_FLOW_CONTROL_TX:
  6840. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6841. break;
  6842. case PORT_FEATURE_FLOW_CONTROL_RX:
  6843. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6844. break;
  6845. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6846. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6847. break;
  6848. default:
  6849. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6850. break;
  6851. }
  6852. }
  6853. u32 bnx2x_phy_selection(struct link_params *params)
  6854. {
  6855. u32 phy_config_swapped, prio_cfg;
  6856. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6857. phy_config_swapped = params->multi_phy_config &
  6858. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6859. prio_cfg = params->multi_phy_config &
  6860. PORT_HW_CFG_PHY_SELECTION_MASK;
  6861. if (phy_config_swapped) {
  6862. switch (prio_cfg) {
  6863. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6864. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6865. break;
  6866. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6867. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6868. break;
  6869. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6870. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6871. break;
  6872. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6873. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6874. break;
  6875. }
  6876. } else
  6877. return_cfg = prio_cfg;
  6878. return return_cfg;
  6879. }
  6880. int bnx2x_phy_probe(struct link_params *params)
  6881. {
  6882. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6883. u32 phy_config_swapped, sync_offset, media_types;
  6884. struct bnx2x *bp = params->bp;
  6885. struct bnx2x_phy *phy;
  6886. params->num_phys = 0;
  6887. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6888. phy_config_swapped = params->multi_phy_config &
  6889. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6890. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6891. phy_index++) {
  6892. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6893. actual_phy_idx = phy_index;
  6894. if (phy_config_swapped) {
  6895. if (phy_index == EXT_PHY1)
  6896. actual_phy_idx = EXT_PHY2;
  6897. else if (phy_index == EXT_PHY2)
  6898. actual_phy_idx = EXT_PHY1;
  6899. }
  6900. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6901. " actual_phy_idx %x\n", phy_config_swapped,
  6902. phy_index, actual_phy_idx);
  6903. phy = &params->phy[actual_phy_idx];
  6904. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6905. params->shmem2_base, params->port,
  6906. phy) != 0) {
  6907. params->num_phys = 0;
  6908. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6909. phy_index);
  6910. for (phy_index = INT_PHY;
  6911. phy_index < MAX_PHYS;
  6912. phy_index++)
  6913. *phy = phy_null;
  6914. return -EINVAL;
  6915. }
  6916. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6917. break;
  6918. sync_offset = params->shmem_base +
  6919. offsetof(struct shmem_region,
  6920. dev_info.port_hw_config[params->port].media_type);
  6921. media_types = REG_RD(bp, sync_offset);
  6922. /*
  6923. * Update media type for non-PMF sync only for the first time
  6924. * In case the media type changes afterwards, it will be updated
  6925. * using the update_status function
  6926. */
  6927. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6928. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6929. actual_phy_idx))) == 0) {
  6930. media_types |= ((phy->media_type &
  6931. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6932. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6933. actual_phy_idx));
  6934. }
  6935. REG_WR(bp, sync_offset, media_types);
  6936. bnx2x_phy_def_cfg(params, phy, phy_index);
  6937. params->num_phys++;
  6938. }
  6939. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6940. return 0;
  6941. }
  6942. void bnx2x_init_bmac_loopback(struct link_params *params,
  6943. struct link_vars *vars)
  6944. {
  6945. struct bnx2x *bp = params->bp;
  6946. vars->link_up = 1;
  6947. vars->line_speed = SPEED_10000;
  6948. vars->duplex = DUPLEX_FULL;
  6949. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6950. vars->mac_type = MAC_TYPE_BMAC;
  6951. vars->phy_flags = PHY_XGXS_FLAG;
  6952. bnx2x_xgxs_deassert(params);
  6953. /* set bmac loopback */
  6954. bnx2x_bmac_enable(params, vars, 1);
  6955. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6956. }
  6957. void bnx2x_init_emac_loopback(struct link_params *params,
  6958. struct link_vars *vars)
  6959. {
  6960. struct bnx2x *bp = params->bp;
  6961. vars->link_up = 1;
  6962. vars->line_speed = SPEED_1000;
  6963. vars->duplex = DUPLEX_FULL;
  6964. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6965. vars->mac_type = MAC_TYPE_EMAC;
  6966. vars->phy_flags = PHY_XGXS_FLAG;
  6967. bnx2x_xgxs_deassert(params);
  6968. /* set bmac loopback */
  6969. bnx2x_emac_enable(params, vars, 1);
  6970. bnx2x_emac_program(params, vars);
  6971. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6972. }
  6973. void bnx2x_init_xgxs_loopback(struct link_params *params,
  6974. struct link_vars *vars)
  6975. {
  6976. struct bnx2x *bp = params->bp;
  6977. vars->link_up = 1;
  6978. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6979. vars->duplex = DUPLEX_FULL;
  6980. if (params->req_line_speed[0] == SPEED_1000)
  6981. vars->line_speed = SPEED_1000;
  6982. else
  6983. vars->line_speed = SPEED_10000;
  6984. bnx2x_xgxs_deassert(params);
  6985. bnx2x_link_initialize(params, vars);
  6986. if (params->req_line_speed[0] == SPEED_1000) {
  6987. bnx2x_emac_program(params, vars);
  6988. bnx2x_emac_enable(params, vars, 0);
  6989. } else
  6990. bnx2x_bmac_enable(params, vars, 0);
  6991. if (params->loopback_mode == LOOPBACK_XGXS) {
  6992. /* set 10G XGXS loopback */
  6993. params->phy[INT_PHY].config_loopback(
  6994. &params->phy[INT_PHY],
  6995. params);
  6996. } else {
  6997. /* set external phy loopback */
  6998. u8 phy_index;
  6999. for (phy_index = EXT_PHY1;
  7000. phy_index < params->num_phys; phy_index++) {
  7001. if (params->phy[phy_index].config_loopback)
  7002. params->phy[phy_index].config_loopback(
  7003. &params->phy[phy_index],
  7004. params);
  7005. }
  7006. }
  7007. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  7008. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  7009. }
  7010. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  7011. {
  7012. struct bnx2x *bp = params->bp;
  7013. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  7014. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  7015. params->req_line_speed[0], params->req_flow_ctrl[0]);
  7016. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  7017. params->req_line_speed[1], params->req_flow_ctrl[1]);
  7018. vars->link_status = 0;
  7019. vars->phy_link_up = 0;
  7020. vars->link_up = 0;
  7021. vars->line_speed = 0;
  7022. vars->duplex = DUPLEX_FULL;
  7023. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  7024. vars->mac_type = MAC_TYPE_NONE;
  7025. vars->phy_flags = 0;
  7026. /* disable attentions */
  7027. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  7028. (NIG_MASK_XGXS0_LINK_STATUS |
  7029. NIG_MASK_XGXS0_LINK10G |
  7030. NIG_MASK_SERDES0_LINK_STATUS |
  7031. NIG_MASK_MI_INT));
  7032. bnx2x_emac_init(params, vars);
  7033. if (params->num_phys == 0) {
  7034. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  7035. return -EINVAL;
  7036. }
  7037. set_phy_vars(params, vars);
  7038. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  7039. switch (params->loopback_mode) {
  7040. case LOOPBACK_BMAC:
  7041. bnx2x_init_bmac_loopback(params, vars);
  7042. break;
  7043. case LOOPBACK_EMAC:
  7044. bnx2x_init_emac_loopback(params, vars);
  7045. break;
  7046. case LOOPBACK_XGXS:
  7047. case LOOPBACK_EXT_PHY:
  7048. bnx2x_init_xgxs_loopback(params, vars);
  7049. break;
  7050. default:
  7051. /* No loopback */
  7052. if (params->switch_cfg == SWITCH_CFG_10G)
  7053. bnx2x_xgxs_deassert(params);
  7054. else
  7055. bnx2x_serdes_deassert(bp, params->port);
  7056. bnx2x_link_initialize(params, vars);
  7057. msleep(30);
  7058. bnx2x_link_int_enable(params);
  7059. break;
  7060. }
  7061. return 0;
  7062. }
  7063. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  7064. u8 reset_ext_phy)
  7065. {
  7066. struct bnx2x *bp = params->bp;
  7067. u8 phy_index, port = params->port, clear_latch_ind = 0;
  7068. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  7069. /* disable attentions */
  7070. vars->link_status = 0;
  7071. bnx2x_update_mng(params, vars->link_status);
  7072. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  7073. (NIG_MASK_XGXS0_LINK_STATUS |
  7074. NIG_MASK_XGXS0_LINK10G |
  7075. NIG_MASK_SERDES0_LINK_STATUS |
  7076. NIG_MASK_MI_INT));
  7077. /* activate nig drain */
  7078. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  7079. /* disable nig egress interface */
  7080. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7081. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7082. /* Stop BigMac rx */
  7083. bnx2x_bmac_rx_disable(bp, port);
  7084. /* disable emac */
  7085. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  7086. msleep(10);
  7087. /* The PHY reset is controlled by GPIO 1
  7088. * Hold it as vars low
  7089. */
  7090. /* clear link led */
  7091. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  7092. if (reset_ext_phy) {
  7093. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  7094. phy_index++) {
  7095. if (params->phy[phy_index].link_reset)
  7096. params->phy[phy_index].link_reset(
  7097. &params->phy[phy_index],
  7098. params);
  7099. if (params->phy[phy_index].flags &
  7100. FLAGS_REARM_LATCH_SIGNAL)
  7101. clear_latch_ind = 1;
  7102. }
  7103. }
  7104. if (clear_latch_ind) {
  7105. /* Clear latching indication */
  7106. bnx2x_rearm_latch_signal(bp, port, 0);
  7107. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  7108. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  7109. }
  7110. if (params->phy[INT_PHY].link_reset)
  7111. params->phy[INT_PHY].link_reset(
  7112. &params->phy[INT_PHY], params);
  7113. /* reset BigMac */
  7114. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  7115. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  7116. /* disable nig ingress interface */
  7117. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  7118. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  7119. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7120. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7121. vars->link_up = 0;
  7122. return 0;
  7123. }
  7124. /****************************************************************************/
  7125. /* Common function */
  7126. /****************************************************************************/
  7127. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  7128. u32 shmem_base_path[],
  7129. u32 shmem2_base_path[], u8 phy_index,
  7130. u32 chip_id)
  7131. {
  7132. struct bnx2x_phy phy[PORT_MAX];
  7133. struct bnx2x_phy *phy_blk[PORT_MAX];
  7134. u16 val;
  7135. s8 port = 0;
  7136. s8 port_of_path = 0;
  7137. u32 swap_val, swap_override;
  7138. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7139. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7140. port ^= (swap_val && swap_override);
  7141. bnx2x_ext_phy_hw_reset(bp, port);
  7142. /* PART1 - Reset both phys */
  7143. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7144. u32 shmem_base, shmem2_base;
  7145. /* In E2, same phy is using for port0 of the two paths */
  7146. if (CHIP_IS_E2(bp)) {
  7147. shmem_base = shmem_base_path[port];
  7148. shmem2_base = shmem2_base_path[port];
  7149. port_of_path = 0;
  7150. } else {
  7151. shmem_base = shmem_base_path[0];
  7152. shmem2_base = shmem2_base_path[0];
  7153. port_of_path = port;
  7154. }
  7155. /* Extract the ext phy address for the port */
  7156. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7157. port_of_path, &phy[port]) !=
  7158. 0) {
  7159. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  7160. return -EINVAL;
  7161. }
  7162. /* disable attentions */
  7163. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7164. port_of_path*4,
  7165. (NIG_MASK_XGXS0_LINK_STATUS |
  7166. NIG_MASK_XGXS0_LINK10G |
  7167. NIG_MASK_SERDES0_LINK_STATUS |
  7168. NIG_MASK_MI_INT));
  7169. /* Need to take the phy out of low power mode in order
  7170. to write to access its registers */
  7171. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7172. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7173. port);
  7174. /* Reset the phy */
  7175. bnx2x_cl45_write(bp, &phy[port],
  7176. MDIO_PMA_DEVAD,
  7177. MDIO_PMA_REG_CTRL,
  7178. 1<<15);
  7179. }
  7180. /* Add delay of 150ms after reset */
  7181. msleep(150);
  7182. if (phy[PORT_0].addr & 0x1) {
  7183. phy_blk[PORT_0] = &(phy[PORT_1]);
  7184. phy_blk[PORT_1] = &(phy[PORT_0]);
  7185. } else {
  7186. phy_blk[PORT_0] = &(phy[PORT_0]);
  7187. phy_blk[PORT_1] = &(phy[PORT_1]);
  7188. }
  7189. /* PART2 - Download firmware to both phys */
  7190. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7191. if (CHIP_IS_E2(bp))
  7192. port_of_path = 0;
  7193. else
  7194. port_of_path = port;
  7195. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7196. phy_blk[port]->addr);
  7197. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7198. port_of_path))
  7199. return -EINVAL;
  7200. /* Only set bit 10 = 1 (Tx power down) */
  7201. bnx2x_cl45_read(bp, phy_blk[port],
  7202. MDIO_PMA_DEVAD,
  7203. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7204. /* Phase1 of TX_POWER_DOWN reset */
  7205. bnx2x_cl45_write(bp, phy_blk[port],
  7206. MDIO_PMA_DEVAD,
  7207. MDIO_PMA_REG_TX_POWER_DOWN,
  7208. (val | 1<<10));
  7209. }
  7210. /*
  7211. * Toggle Transmitter: Power down and then up with 600ms delay
  7212. * between
  7213. */
  7214. msleep(600);
  7215. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7216. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7217. /* Phase2 of POWER_DOWN_RESET */
  7218. /* Release bit 10 (Release Tx power down) */
  7219. bnx2x_cl45_read(bp, phy_blk[port],
  7220. MDIO_PMA_DEVAD,
  7221. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7222. bnx2x_cl45_write(bp, phy_blk[port],
  7223. MDIO_PMA_DEVAD,
  7224. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7225. msleep(15);
  7226. /* Read modify write the SPI-ROM version select register */
  7227. bnx2x_cl45_read(bp, phy_blk[port],
  7228. MDIO_PMA_DEVAD,
  7229. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7230. bnx2x_cl45_write(bp, phy_blk[port],
  7231. MDIO_PMA_DEVAD,
  7232. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7233. /* set GPIO2 back to LOW */
  7234. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7235. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7236. }
  7237. return 0;
  7238. }
  7239. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7240. u32 shmem_base_path[],
  7241. u32 shmem2_base_path[], u8 phy_index,
  7242. u32 chip_id)
  7243. {
  7244. u32 val;
  7245. s8 port;
  7246. struct bnx2x_phy phy;
  7247. /* Use port1 because of the static port-swap */
  7248. /* Enable the module detection interrupt */
  7249. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7250. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7251. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7252. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7253. bnx2x_ext_phy_hw_reset(bp, 0);
  7254. msleep(5);
  7255. for (port = 0; port < PORT_MAX; port++) {
  7256. u32 shmem_base, shmem2_base;
  7257. /* In E2, same phy is using for port0 of the two paths */
  7258. if (CHIP_IS_E2(bp)) {
  7259. shmem_base = shmem_base_path[port];
  7260. shmem2_base = shmem2_base_path[port];
  7261. } else {
  7262. shmem_base = shmem_base_path[0];
  7263. shmem2_base = shmem2_base_path[0];
  7264. }
  7265. /* Extract the ext phy address for the port */
  7266. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7267. port, &phy) !=
  7268. 0) {
  7269. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7270. return -EINVAL;
  7271. }
  7272. /* Reset phy*/
  7273. bnx2x_cl45_write(bp, &phy,
  7274. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7275. /* Set fault module detected LED on */
  7276. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7277. MISC_REGISTERS_GPIO_HIGH,
  7278. port);
  7279. }
  7280. return 0;
  7281. }
  7282. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7283. u8 *io_gpio, u8 *io_port)
  7284. {
  7285. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7286. offsetof(struct shmem_region,
  7287. dev_info.port_hw_config[PORT_0].default_cfg));
  7288. switch (phy_gpio_reset) {
  7289. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7290. *io_gpio = 0;
  7291. *io_port = 0;
  7292. break;
  7293. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7294. *io_gpio = 1;
  7295. *io_port = 0;
  7296. break;
  7297. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7298. *io_gpio = 2;
  7299. *io_port = 0;
  7300. break;
  7301. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7302. *io_gpio = 3;
  7303. *io_port = 0;
  7304. break;
  7305. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7306. *io_gpio = 0;
  7307. *io_port = 1;
  7308. break;
  7309. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7310. *io_gpio = 1;
  7311. *io_port = 1;
  7312. break;
  7313. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7314. *io_gpio = 2;
  7315. *io_port = 1;
  7316. break;
  7317. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7318. *io_gpio = 3;
  7319. *io_port = 1;
  7320. break;
  7321. default:
  7322. /* Don't override the io_gpio and io_port */
  7323. break;
  7324. }
  7325. }
  7326. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7327. u32 shmem_base_path[],
  7328. u32 shmem2_base_path[], u8 phy_index,
  7329. u32 chip_id)
  7330. {
  7331. s8 port, reset_gpio;
  7332. u32 swap_val, swap_override;
  7333. struct bnx2x_phy phy[PORT_MAX];
  7334. struct bnx2x_phy *phy_blk[PORT_MAX];
  7335. s8 port_of_path;
  7336. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7337. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7338. reset_gpio = MISC_REGISTERS_GPIO_1;
  7339. port = 1;
  7340. /*
  7341. * Retrieve the reset gpio/port which control the reset.
  7342. * Default is GPIO1, PORT1
  7343. */
  7344. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7345. (u8 *)&reset_gpio, (u8 *)&port);
  7346. /* Calculate the port based on port swap */
  7347. port ^= (swap_val && swap_override);
  7348. /* Initiate PHY reset*/
  7349. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7350. port);
  7351. msleep(1);
  7352. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7353. port);
  7354. msleep(5);
  7355. /* PART1 - Reset both phys */
  7356. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7357. u32 shmem_base, shmem2_base;
  7358. /* In E2, same phy is using for port0 of the two paths */
  7359. if (CHIP_IS_E2(bp)) {
  7360. shmem_base = shmem_base_path[port];
  7361. shmem2_base = shmem2_base_path[port];
  7362. port_of_path = 0;
  7363. } else {
  7364. shmem_base = shmem_base_path[0];
  7365. shmem2_base = shmem2_base_path[0];
  7366. port_of_path = port;
  7367. }
  7368. /* Extract the ext phy address for the port */
  7369. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7370. port_of_path, &phy[port]) !=
  7371. 0) {
  7372. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7373. return -EINVAL;
  7374. }
  7375. /* disable attentions */
  7376. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7377. port_of_path*4,
  7378. (NIG_MASK_XGXS0_LINK_STATUS |
  7379. NIG_MASK_XGXS0_LINK10G |
  7380. NIG_MASK_SERDES0_LINK_STATUS |
  7381. NIG_MASK_MI_INT));
  7382. /* Reset the phy */
  7383. bnx2x_cl45_write(bp, &phy[port],
  7384. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7385. }
  7386. /* Add delay of 150ms after reset */
  7387. msleep(150);
  7388. if (phy[PORT_0].addr & 0x1) {
  7389. phy_blk[PORT_0] = &(phy[PORT_1]);
  7390. phy_blk[PORT_1] = &(phy[PORT_0]);
  7391. } else {
  7392. phy_blk[PORT_0] = &(phy[PORT_0]);
  7393. phy_blk[PORT_1] = &(phy[PORT_1]);
  7394. }
  7395. /* PART2 - Download firmware to both phys */
  7396. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7397. if (CHIP_IS_E2(bp))
  7398. port_of_path = 0;
  7399. else
  7400. port_of_path = port;
  7401. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7402. phy_blk[port]->addr);
  7403. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7404. port_of_path))
  7405. return -EINVAL;
  7406. }
  7407. return 0;
  7408. }
  7409. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7410. u32 shmem2_base_path[], u8 phy_index,
  7411. u32 ext_phy_type, u32 chip_id)
  7412. {
  7413. int rc = 0;
  7414. switch (ext_phy_type) {
  7415. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7416. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7417. shmem2_base_path,
  7418. phy_index, chip_id);
  7419. break;
  7420. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7421. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7422. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7423. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7424. shmem2_base_path,
  7425. phy_index, chip_id);
  7426. break;
  7427. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7428. /*
  7429. * GPIO1 affects both ports, so there's need to pull
  7430. * it for single port alone
  7431. */
  7432. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7433. shmem2_base_path,
  7434. phy_index, chip_id);
  7435. break;
  7436. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7437. rc = -EINVAL;
  7438. break;
  7439. default:
  7440. DP(NETIF_MSG_LINK,
  7441. "ext_phy 0x%x common init not required\n",
  7442. ext_phy_type);
  7443. break;
  7444. }
  7445. if (rc != 0)
  7446. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7447. " Port %d\n",
  7448. 0);
  7449. return rc;
  7450. }
  7451. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7452. u32 shmem2_base_path[], u32 chip_id)
  7453. {
  7454. int rc = 0;
  7455. u32 phy_ver;
  7456. u8 phy_index;
  7457. u32 ext_phy_type, ext_phy_config;
  7458. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7459. /* Check if common init was already done */
  7460. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7461. offsetof(struct shmem_region,
  7462. port_mb[PORT_0].ext_phy_fw_version));
  7463. if (phy_ver) {
  7464. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7465. phy_ver);
  7466. return 0;
  7467. }
  7468. /* Read the ext_phy_type for arbitrary port(0) */
  7469. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7470. phy_index++) {
  7471. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7472. shmem_base_path[0],
  7473. phy_index, 0);
  7474. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7475. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7476. shmem2_base_path,
  7477. phy_index, ext_phy_type,
  7478. chip_id);
  7479. }
  7480. return rc;
  7481. }
  7482. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7483. {
  7484. u8 phy_index;
  7485. struct bnx2x_phy phy;
  7486. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7487. phy_index++) {
  7488. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7489. 0, &phy) != 0) {
  7490. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7491. return 0;
  7492. }
  7493. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7494. return 1;
  7495. }
  7496. return 0;
  7497. }
  7498. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7499. u32 shmem_base,
  7500. u32 shmem2_base,
  7501. u8 port)
  7502. {
  7503. u8 phy_index, fan_failure_det_req = 0;
  7504. struct bnx2x_phy phy;
  7505. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7506. phy_index++) {
  7507. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7508. port, &phy)
  7509. != 0) {
  7510. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7511. return 0;
  7512. }
  7513. fan_failure_det_req |= (phy.flags &
  7514. FLAGS_FAN_FAILURE_DET_REQ);
  7515. }
  7516. return fan_failure_det_req;
  7517. }
  7518. void bnx2x_hw_reset_phy(struct link_params *params)
  7519. {
  7520. u8 phy_index;
  7521. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7522. phy_index++) {
  7523. if (params->phy[phy_index].hw_reset) {
  7524. params->phy[phy_index].hw_reset(
  7525. &params->phy[phy_index],
  7526. params);
  7527. params->phy[phy_index] = phy_null;
  7528. }
  7529. }
  7530. }
  7531. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  7532. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  7533. u8 port)
  7534. {
  7535. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  7536. u32 val;
  7537. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  7538. {
  7539. struct bnx2x_phy phy;
  7540. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7541. phy_index++) {
  7542. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  7543. shmem2_base, port, &phy)
  7544. != 0) {
  7545. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7546. return;
  7547. }
  7548. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  7549. gpio_num = MISC_REGISTERS_GPIO_3;
  7550. gpio_port = port;
  7551. break;
  7552. }
  7553. }
  7554. }
  7555. if (gpio_num == 0xff)
  7556. return;
  7557. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  7558. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  7559. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7560. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7561. gpio_port ^= (swap_val && swap_override);
  7562. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  7563. (gpio_num + (gpio_port << 2));
  7564. sync_offset = shmem_base +
  7565. offsetof(struct shmem_region,
  7566. dev_info.port_hw_config[port].aeu_int_mask);
  7567. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  7568. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  7569. gpio_num, gpio_port, vars->aeu_int_mask);
  7570. if (port == 0)
  7571. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  7572. else
  7573. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  7574. /* Open appropriate AEU for interrupts */
  7575. aeu_mask = REG_RD(bp, offset);
  7576. aeu_mask |= vars->aeu_int_mask;
  7577. REG_WR(bp, offset, aeu_mask);
  7578. /* Enable the GPIO to trigger interrupt */
  7579. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7580. val |= 1 << (gpio_num + (gpio_port << 2));
  7581. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7582. }