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. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define BMAC_CONTROL_RX_ENABLE 2
  35. /***********************************************************/
  36. /* Shortcut definitions */
  37. /***********************************************************/
  38. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  39. #define NIG_STATUS_EMAC0_MI_INT \
  40. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  41. #define NIG_STATUS_XGXS0_LINK10G \
  42. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  43. #define NIG_STATUS_XGXS0_LINK_STATUS \
  44. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  45. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  46. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  47. #define NIG_STATUS_SERDES0_LINK_STATUS \
  48. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  49. #define NIG_MASK_MI_INT \
  50. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  51. #define NIG_MASK_XGXS0_LINK10G \
  52. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  53. #define NIG_MASK_XGXS0_LINK_STATUS \
  54. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  55. #define NIG_MASK_SERDES0_LINK_STATUS \
  56. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  57. #define MDIO_AN_CL73_OR_37_COMPLETE \
  58. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  59. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  60. #define XGXS_RESET_BITS \
  61. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  62. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  63. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  64. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  65. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  66. #define SERDES_RESET_BITS \
  67. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  68. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  70. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  71. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  72. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  73. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  74. #define AUTONEG_PARALLEL \
  75. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  76. #define AUTONEG_SGMII_FIBER_AUTODET \
  77. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  78. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  79. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  80. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  81. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  82. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  83. #define GP_STATUS_SPEED_MASK \
  84. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  85. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  86. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  87. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  88. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  89. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  90. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  91. #define GP_STATUS_10G_HIG \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  93. #define GP_STATUS_10G_CX4 \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  95. #define GP_STATUS_12G_HIG \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
  97. #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
  98. #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
  99. #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
  100. #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
  101. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  102. #define GP_STATUS_10G_KX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  104. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  105. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  106. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  107. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  108. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  109. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  110. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  111. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  112. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  113. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  114. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  115. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  116. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  117. #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
  118. #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
  119. #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
  120. #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
  121. #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
  122. #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
  123. #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
  124. #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
  125. #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
  126. #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
  127. #define PHY_XGXS_FLAG 0x1
  128. #define PHY_SGMII_FLAG 0x2
  129. #define PHY_SERDES_FLAG 0x4
  130. /* */
  131. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  132. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  133. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  134. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  135. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  136. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  137. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  138. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  139. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  140. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  141. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  142. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  143. #define SFP_EEPROM_OPTIONS_SIZE 2
  144. #define EDC_MODE_LINEAR 0x0022
  145. #define EDC_MODE_LIMITING 0x0044
  146. #define EDC_MODE_PASSIVE_DAC 0x0055
  147. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  148. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  149. /**********************************************************/
  150. /* INTERFACE */
  151. /**********************************************************/
  152. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  153. bnx2x_cl45_write(_bp, _phy, \
  154. (_phy)->def_md_devad, \
  155. (_bank + (_addr & 0xf)), \
  156. _val)
  157. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  158. bnx2x_cl45_read(_bp, _phy, \
  159. (_phy)->def_md_devad, \
  160. (_bank + (_addr & 0xf)), \
  161. _val)
  162. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  163. {
  164. u32 val = REG_RD(bp, reg);
  165. val |= bits;
  166. REG_WR(bp, reg, val);
  167. return val;
  168. }
  169. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  170. {
  171. u32 val = REG_RD(bp, reg);
  172. val &= ~bits;
  173. REG_WR(bp, reg, val);
  174. return val;
  175. }
  176. /******************************************************************/
  177. /* ETS section */
  178. /******************************************************************/
  179. void bnx2x_ets_disabled(struct link_params *params)
  180. {
  181. /* ETS disabled configuration*/
  182. struct bnx2x *bp = params->bp;
  183. DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
  184. /*
  185. * mapping between entry priority to client number (0,1,2 -debug and
  186. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  187. * 3bits client num.
  188. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  189. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  190. */
  191. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  192. /*
  193. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  194. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  195. * COS0 entry, 4 - COS1 entry.
  196. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  197. * bit4 bit3 bit2 bit1 bit0
  198. * MCP and debug are strict
  199. */
  200. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  201. /* defines which entries (clients) are subjected to WFQ arbitration */
  202. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  203. /*
  204. * For strict priority entries defines the number of consecutive
  205. * slots for the highest priority.
  206. */
  207. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  208. /*
  209. * mapping between the CREDIT_WEIGHT registers and actual client
  210. * numbers
  211. */
  212. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  213. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  214. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  215. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  216. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  217. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  218. /* ETS mode disable */
  219. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  220. /*
  221. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  222. * weight for COS0/COS1.
  223. */
  224. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  225. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  226. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  227. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  228. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  229. /* Defines the number of consecutive slots for the strict priority */
  230. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  231. }
  232. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  233. {
  234. /* ETS disabled configuration */
  235. struct bnx2x *bp = params->bp;
  236. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  237. /*
  238. * defines which entries (clients) are subjected to WFQ arbitration
  239. * COS0 0x8
  240. * COS1 0x10
  241. */
  242. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  243. /*
  244. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  245. * client numbers (WEIGHT_0 does not actually have to represent
  246. * client 0)
  247. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  248. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  249. */
  250. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  251. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  252. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  253. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  254. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  255. /* ETS mode enabled*/
  256. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  257. /* Defines the number of consecutive slots for the strict priority */
  258. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  259. /*
  260. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  261. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  262. * entry, 4 - COS1 entry.
  263. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  264. * bit4 bit3 bit2 bit1 bit0
  265. * MCP and debug are strict
  266. */
  267. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  268. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  269. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  270. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  271. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  272. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  273. }
  274. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  275. const u32 cos1_bw)
  276. {
  277. /* ETS disabled configuration*/
  278. struct bnx2x *bp = params->bp;
  279. const u32 total_bw = cos0_bw + cos1_bw;
  280. u32 cos0_credit_weight = 0;
  281. u32 cos1_credit_weight = 0;
  282. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  283. if ((0 == total_bw) ||
  284. (0 == cos0_bw) ||
  285. (0 == cos1_bw)) {
  286. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  287. return;
  288. }
  289. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  290. total_bw;
  291. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  292. total_bw;
  293. bnx2x_ets_bw_limit_common(params);
  294. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  295. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  296. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  297. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  298. }
  299. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  300. {
  301. /* ETS disabled configuration*/
  302. struct bnx2x *bp = params->bp;
  303. u32 val = 0;
  304. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  305. /*
  306. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  307. * as strict. Bits 0,1,2 - debug and management entries,
  308. * 3 - COS0 entry, 4 - COS1 entry.
  309. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  310. * bit4 bit3 bit2 bit1 bit0
  311. * MCP and debug are strict
  312. */
  313. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  314. /*
  315. * For strict priority entries defines the number of consecutive slots
  316. * for the highest priority.
  317. */
  318. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  319. /* ETS mode disable */
  320. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  321. /* Defines the number of consecutive slots for the strict priority */
  322. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  323. /* Defines the number of consecutive slots for the strict priority */
  324. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  325. /*
  326. * mapping between entry priority to client number (0,1,2 -debug and
  327. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  328. * 3bits client num.
  329. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  330. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  331. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  332. */
  333. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  334. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  335. return 0;
  336. }
  337. /******************************************************************/
  338. /* PFC section */
  339. /******************************************************************/
  340. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  341. u32 pfc_frames_sent[2],
  342. u32 pfc_frames_received[2])
  343. {
  344. /* Read pfc statistic */
  345. struct bnx2x *bp = params->bp;
  346. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  347. NIG_REG_INGRESS_BMAC0_MEM;
  348. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  349. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  350. pfc_frames_sent, 2);
  351. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  352. pfc_frames_received, 2);
  353. }
  354. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  355. u32 pfc_frames_sent[2],
  356. u32 pfc_frames_received[2])
  357. {
  358. /* Read pfc statistic */
  359. struct bnx2x *bp = params->bp;
  360. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  361. u32 val_xon = 0;
  362. u32 val_xoff = 0;
  363. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  364. /* PFC received frames */
  365. val_xoff = REG_RD(bp, emac_base +
  366. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  367. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  368. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  369. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  370. pfc_frames_received[0] = val_xon + val_xoff;
  371. /* PFC received sent */
  372. val_xoff = REG_RD(bp, emac_base +
  373. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  374. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  375. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  376. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  377. pfc_frames_sent[0] = val_xon + val_xoff;
  378. }
  379. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  380. u32 pfc_frames_sent[2],
  381. u32 pfc_frames_received[2])
  382. {
  383. /* Read pfc statistic */
  384. struct bnx2x *bp = params->bp;
  385. u32 val = 0;
  386. DP(NETIF_MSG_LINK, "pfc statistic\n");
  387. if (!vars->link_up)
  388. return;
  389. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  390. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  391. == 0) {
  392. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  393. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  394. pfc_frames_received);
  395. } else {
  396. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  397. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  398. pfc_frames_received);
  399. }
  400. }
  401. /******************************************************************/
  402. /* MAC/PBF section */
  403. /******************************************************************/
  404. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  405. {
  406. u32 mode, emac_base;
  407. /**
  408. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  409. * (a value of 49==0x31) and make sure that the AUTO poll is off
  410. */
  411. if (CHIP_IS_E2(bp))
  412. emac_base = GRCBASE_EMAC0;
  413. else
  414. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  415. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  416. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  417. EMAC_MDIO_MODE_CLOCK_CNT);
  418. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  419. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  420. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  421. udelay(40);
  422. }
  423. static void bnx2x_emac_init(struct link_params *params,
  424. struct link_vars *vars)
  425. {
  426. /* reset and unreset the emac core */
  427. struct bnx2x *bp = params->bp;
  428. u8 port = params->port;
  429. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  430. u32 val;
  431. u16 timeout;
  432. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  433. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  434. udelay(5);
  435. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  436. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  437. /* init emac - use read-modify-write */
  438. /* self clear reset */
  439. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  440. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  441. timeout = 200;
  442. do {
  443. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  444. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  445. if (!timeout) {
  446. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  447. return;
  448. }
  449. timeout--;
  450. } while (val & EMAC_MODE_RESET);
  451. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  452. /* Set mac address */
  453. val = ((params->mac_addr[0] << 8) |
  454. params->mac_addr[1]);
  455. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  456. val = ((params->mac_addr[2] << 24) |
  457. (params->mac_addr[3] << 16) |
  458. (params->mac_addr[4] << 8) |
  459. params->mac_addr[5]);
  460. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  461. }
  462. static int bnx2x_emac_enable(struct link_params *params,
  463. struct link_vars *vars, u8 lb)
  464. {
  465. struct bnx2x *bp = params->bp;
  466. u8 port = params->port;
  467. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  468. u32 val;
  469. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  470. /* enable emac and not bmac */
  471. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  472. /* ASIC */
  473. if (vars->phy_flags & PHY_XGXS_FLAG) {
  474. u32 ser_lane = ((params->lane_config &
  475. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  476. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  477. DP(NETIF_MSG_LINK, "XGXS\n");
  478. /* select the master lanes (out of 0-3) */
  479. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  480. /* select XGXS */
  481. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  482. } else { /* SerDes */
  483. DP(NETIF_MSG_LINK, "SerDes\n");
  484. /* select SerDes */
  485. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  486. }
  487. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  488. EMAC_RX_MODE_RESET);
  489. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  490. EMAC_TX_MODE_RESET);
  491. if (CHIP_REV_IS_SLOW(bp)) {
  492. /* config GMII mode */
  493. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  494. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  495. } else { /* ASIC */
  496. /* pause enable/disable */
  497. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  498. EMAC_RX_MODE_FLOW_EN);
  499. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  500. (EMAC_TX_MODE_EXT_PAUSE_EN |
  501. EMAC_TX_MODE_FLOW_EN));
  502. if (!(params->feature_config_flags &
  503. FEATURE_CONFIG_PFC_ENABLED)) {
  504. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  505. bnx2x_bits_en(bp, emac_base +
  506. EMAC_REG_EMAC_RX_MODE,
  507. EMAC_RX_MODE_FLOW_EN);
  508. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  509. bnx2x_bits_en(bp, emac_base +
  510. EMAC_REG_EMAC_TX_MODE,
  511. (EMAC_TX_MODE_EXT_PAUSE_EN |
  512. EMAC_TX_MODE_FLOW_EN));
  513. } else
  514. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  515. EMAC_TX_MODE_FLOW_EN);
  516. }
  517. /* KEEP_VLAN_TAG, promiscuous */
  518. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  519. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  520. /*
  521. * Setting this bit causes MAC control frames (except for pause
  522. * frames) to be passed on for processing. This setting has no
  523. * affect on the operation of the pause frames. This bit effects
  524. * all packets regardless of RX Parser packet sorting logic.
  525. * Turn the PFC off to make sure we are in Xon state before
  526. * enabling it.
  527. */
  528. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  529. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  530. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  531. /* Enable PFC again */
  532. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  533. EMAC_REG_RX_PFC_MODE_RX_EN |
  534. EMAC_REG_RX_PFC_MODE_TX_EN |
  535. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  536. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  537. ((0x0101 <<
  538. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  539. (0x00ff <<
  540. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  541. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  542. }
  543. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  544. /* Set Loopback */
  545. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  546. if (lb)
  547. val |= 0x810;
  548. else
  549. val &= ~0x810;
  550. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  551. /* enable emac */
  552. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  553. /* enable emac for jumbo packets */
  554. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  555. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  556. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  557. /* strip CRC */
  558. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  559. /* disable the NIG in/out to the bmac */
  560. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  561. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  562. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  563. /* enable the NIG in/out to the emac */
  564. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  565. val = 0;
  566. if ((params->feature_config_flags &
  567. FEATURE_CONFIG_PFC_ENABLED) ||
  568. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  569. val = 1;
  570. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  571. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  572. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  573. vars->mac_type = MAC_TYPE_EMAC;
  574. return 0;
  575. }
  576. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  577. struct link_vars *vars)
  578. {
  579. u32 wb_data[2];
  580. struct bnx2x *bp = params->bp;
  581. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  582. NIG_REG_INGRESS_BMAC0_MEM;
  583. u32 val = 0x14;
  584. if ((!(params->feature_config_flags &
  585. FEATURE_CONFIG_PFC_ENABLED)) &&
  586. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  587. /* Enable BigMAC to react on received Pause packets */
  588. val |= (1<<5);
  589. wb_data[0] = val;
  590. wb_data[1] = 0;
  591. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  592. /* tx control */
  593. val = 0xc0;
  594. if (!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  597. val |= 0x800000;
  598. wb_data[0] = val;
  599. wb_data[1] = 0;
  600. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  601. }
  602. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  603. struct link_vars *vars,
  604. u8 is_lb)
  605. {
  606. /*
  607. * Set rx control: Strip CRC and enable BigMAC to relay
  608. * control packets to the system as well
  609. */
  610. u32 wb_data[2];
  611. struct bnx2x *bp = params->bp;
  612. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  613. NIG_REG_INGRESS_BMAC0_MEM;
  614. u32 val = 0x14;
  615. if ((!(params->feature_config_flags &
  616. FEATURE_CONFIG_PFC_ENABLED)) &&
  617. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  618. /* Enable BigMAC to react on received Pause packets */
  619. val |= (1<<5);
  620. wb_data[0] = val;
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  623. udelay(30);
  624. /* Tx control */
  625. val = 0xc0;
  626. if (!(params->feature_config_flags &
  627. FEATURE_CONFIG_PFC_ENABLED) &&
  628. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  629. val |= 0x800000;
  630. wb_data[0] = val;
  631. wb_data[1] = 0;
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  633. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  634. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  635. /* Enable PFC RX & TX & STATS and set 8 COS */
  636. wb_data[0] = 0x0;
  637. wb_data[0] |= (1<<0); /* RX */
  638. wb_data[0] |= (1<<1); /* TX */
  639. wb_data[0] |= (1<<2); /* Force initial Xon */
  640. wb_data[0] |= (1<<3); /* 8 cos */
  641. wb_data[0] |= (1<<5); /* STATS */
  642. wb_data[1] = 0;
  643. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  644. wb_data, 2);
  645. /* Clear the force Xon */
  646. wb_data[0] &= ~(1<<2);
  647. } else {
  648. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  649. /* disable PFC RX & TX & STATS and set 8 COS */
  650. wb_data[0] = 0x8;
  651. wb_data[1] = 0;
  652. }
  653. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  654. /*
  655. * Set Time (based unit is 512 bit time) between automatic
  656. * re-sending of PP packets amd enable automatic re-send of
  657. * Per-Priroity Packet as long as pp_gen is asserted and
  658. * pp_disable is low.
  659. */
  660. val = 0x8000;
  661. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  662. val |= (1<<16); /* enable automatic re-send */
  663. wb_data[0] = val;
  664. wb_data[1] = 0;
  665. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  666. wb_data, 2);
  667. /* mac control */
  668. val = 0x3; /* Enable RX and TX */
  669. if (is_lb) {
  670. val |= 0x4; /* Local loopback */
  671. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  672. }
  673. /* When PFC enabled, Pass pause frames towards the NIG. */
  674. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  675. val |= ((1<<6)|(1<<5));
  676. wb_data[0] = val;
  677. wb_data[1] = 0;
  678. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  679. }
  680. static void bnx2x_update_pfc_brb(struct link_params *params,
  681. struct link_vars *vars,
  682. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  683. {
  684. struct bnx2x *bp = params->bp;
  685. int set_pfc = params->feature_config_flags &
  686. FEATURE_CONFIG_PFC_ENABLED;
  687. /* default - pause configuration */
  688. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  689. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  690. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  691. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  692. if (set_pfc && pfc_params)
  693. /* First COS */
  694. if (!pfc_params->cos0_pauseable) {
  695. pause_xoff_th =
  696. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  697. pause_xon_th =
  698. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  699. full_xoff_th =
  700. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  701. full_xon_th =
  702. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  703. }
  704. /*
  705. * The number of free blocks below which the pause signal to class 0
  706. * of MAC #n is asserted. n=0,1
  707. */
  708. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  709. /*
  710. * The number of free blocks above which the pause signal to class 0
  711. * of MAC #n is de-asserted. n=0,1
  712. */
  713. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  714. /*
  715. * The number of free blocks below which the full signal to class 0
  716. * of MAC #n is asserted. n=0,1
  717. */
  718. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  719. /*
  720. * The number of free blocks above which the full signal to class 0
  721. * of MAC #n is de-asserted. n=0,1
  722. */
  723. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  724. if (set_pfc && pfc_params) {
  725. /* Second COS */
  726. if (pfc_params->cos1_pauseable) {
  727. pause_xoff_th =
  728. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  729. pause_xon_th =
  730. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  731. full_xoff_th =
  732. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  733. full_xon_th =
  734. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  735. } else {
  736. pause_xoff_th =
  737. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  738. pause_xon_th =
  739. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  740. full_xoff_th =
  741. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  742. full_xon_th =
  743. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  744. }
  745. /*
  746. * The number of free blocks below which the pause signal to
  747. * class 1 of MAC #n is asserted. n=0,1
  748. */
  749. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  750. /*
  751. * The number of free blocks above which the pause signal to
  752. * class 1 of MAC #n is de-asserted. n=0,1
  753. */
  754. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  755. /*
  756. * The number of free blocks below which the full signal to
  757. * class 1 of MAC #n is asserted. n=0,1
  758. */
  759. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  760. /*
  761. * The number of free blocks above which the full signal to
  762. * class 1 of MAC #n is de-asserted. n=0,1
  763. */
  764. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  765. }
  766. }
  767. /******************************************************************************
  768. * Description:
  769. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  770. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  771. ******************************************************************************/
  772. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  773. u8 cos_entry,
  774. u32 priority_mask, u8 port)
  775. {
  776. u32 nig_reg_rx_priority_mask_add = 0;
  777. switch (cos_entry) {
  778. case 0:
  779. nig_reg_rx_priority_mask_add = (port) ?
  780. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  781. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  782. break;
  783. case 1:
  784. nig_reg_rx_priority_mask_add = (port) ?
  785. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  786. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  787. break;
  788. case 2:
  789. nig_reg_rx_priority_mask_add = (port) ?
  790. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  791. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  792. break;
  793. case 3:
  794. if (port)
  795. return -EINVAL;
  796. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  797. break;
  798. case 4:
  799. if (port)
  800. return -EINVAL;
  801. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  802. break;
  803. case 5:
  804. if (port)
  805. return -EINVAL;
  806. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  807. break;
  808. }
  809. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  810. return 0;
  811. }
  812. static void bnx2x_update_pfc_nig(struct link_params *params,
  813. struct link_vars *vars,
  814. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  815. {
  816. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  817. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  818. u32 pkt_priority_to_cos = 0;
  819. u32 val;
  820. struct bnx2x *bp = params->bp;
  821. int port = params->port;
  822. int set_pfc = params->feature_config_flags &
  823. FEATURE_CONFIG_PFC_ENABLED;
  824. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  825. /*
  826. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  827. * MAC control frames (that are not pause packets)
  828. * will be forwarded to the XCM.
  829. */
  830. xcm_mask = REG_RD(bp,
  831. port ? NIG_REG_LLH1_XCM_MASK :
  832. NIG_REG_LLH0_XCM_MASK);
  833. /*
  834. * nig params will override non PFC params, since it's possible to
  835. * do transition from PFC to SAFC
  836. */
  837. if (set_pfc) {
  838. pause_enable = 0;
  839. llfc_out_en = 0;
  840. llfc_enable = 0;
  841. ppp_enable = 1;
  842. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  843. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  844. xcm0_out_en = 0;
  845. p0_hwpfc_enable = 1;
  846. } else {
  847. if (nig_params) {
  848. llfc_out_en = nig_params->llfc_out_en;
  849. llfc_enable = nig_params->llfc_enable;
  850. pause_enable = nig_params->pause_enable;
  851. } else /*defaul non PFC mode - PAUSE */
  852. pause_enable = 1;
  853. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  854. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  855. xcm0_out_en = 1;
  856. }
  857. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  858. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  859. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  860. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  861. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  862. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  863. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  864. NIG_REG_PPP_ENABLE_0, ppp_enable);
  865. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  866. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  867. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  868. /* output enable for RX_XCM # IF */
  869. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  870. /* HW PFC TX enable */
  871. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  872. /* 0x2 = BMAC, 0x1= EMAC */
  873. switch (vars->mac_type) {
  874. case MAC_TYPE_EMAC:
  875. val = 1;
  876. break;
  877. case MAC_TYPE_BMAC:
  878. val = 0;
  879. break;
  880. default:
  881. val = 0;
  882. break;
  883. }
  884. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  885. if (nig_params) {
  886. u8 i = 0;
  887. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  888. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  889. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  890. nig_params->rx_cos_priority_mask[i], port);
  891. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  892. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  893. nig_params->llfc_high_priority_classes);
  894. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  895. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  896. nig_params->llfc_low_priority_classes);
  897. }
  898. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  899. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  900. pkt_priority_to_cos);
  901. }
  902. void bnx2x_update_pfc(struct link_params *params,
  903. struct link_vars *vars,
  904. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  905. {
  906. /*
  907. * The PFC and pause are orthogonal to one another, meaning when
  908. * PFC is enabled, the pause are disabled, and when PFC is
  909. * disabled, pause are set according to the pause result.
  910. */
  911. u32 val;
  912. struct bnx2x *bp = params->bp;
  913. /* update NIG params */
  914. bnx2x_update_pfc_nig(params, vars, pfc_params);
  915. /* update BRB params */
  916. bnx2x_update_pfc_brb(params, vars, pfc_params);
  917. if (!vars->link_up)
  918. return;
  919. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  920. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  921. == 0) {
  922. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  923. bnx2x_emac_enable(params, vars, 0);
  924. return;
  925. }
  926. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  927. if (CHIP_IS_E2(bp))
  928. bnx2x_update_pfc_bmac2(params, vars, 0);
  929. else
  930. bnx2x_update_pfc_bmac1(params, vars);
  931. val = 0;
  932. if ((params->feature_config_flags &
  933. FEATURE_CONFIG_PFC_ENABLED) ||
  934. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  935. val = 1;
  936. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  937. }
  938. static int bnx2x_bmac1_enable(struct link_params *params,
  939. struct link_vars *vars,
  940. u8 is_lb)
  941. {
  942. struct bnx2x *bp = params->bp;
  943. u8 port = params->port;
  944. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  945. NIG_REG_INGRESS_BMAC0_MEM;
  946. u32 wb_data[2];
  947. u32 val;
  948. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  949. /* XGXS control */
  950. wb_data[0] = 0x3c;
  951. wb_data[1] = 0;
  952. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  953. wb_data, 2);
  954. /* tx MAC SA */
  955. wb_data[0] = ((params->mac_addr[2] << 24) |
  956. (params->mac_addr[3] << 16) |
  957. (params->mac_addr[4] << 8) |
  958. params->mac_addr[5]);
  959. wb_data[1] = ((params->mac_addr[0] << 8) |
  960. params->mac_addr[1]);
  961. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  962. /* mac control */
  963. val = 0x3;
  964. if (is_lb) {
  965. val |= 0x4;
  966. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  967. }
  968. wb_data[0] = val;
  969. wb_data[1] = 0;
  970. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  971. /* set rx mtu */
  972. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  973. wb_data[1] = 0;
  974. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  975. bnx2x_update_pfc_bmac1(params, vars);
  976. /* set tx mtu */
  977. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  978. wb_data[1] = 0;
  979. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  980. /* set cnt max size */
  981. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  982. wb_data[1] = 0;
  983. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  984. /* configure safc */
  985. wb_data[0] = 0x1000200;
  986. wb_data[1] = 0;
  987. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  988. wb_data, 2);
  989. return 0;
  990. }
  991. static int bnx2x_bmac2_enable(struct link_params *params,
  992. struct link_vars *vars,
  993. u8 is_lb)
  994. {
  995. struct bnx2x *bp = params->bp;
  996. u8 port = params->port;
  997. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  998. NIG_REG_INGRESS_BMAC0_MEM;
  999. u32 wb_data[2];
  1000. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  1001. wb_data[0] = 0;
  1002. wb_data[1] = 0;
  1003. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1004. udelay(30);
  1005. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  1006. wb_data[0] = 0x3c;
  1007. wb_data[1] = 0;
  1008. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  1009. wb_data, 2);
  1010. udelay(30);
  1011. /* tx MAC SA */
  1012. wb_data[0] = ((params->mac_addr[2] << 24) |
  1013. (params->mac_addr[3] << 16) |
  1014. (params->mac_addr[4] << 8) |
  1015. params->mac_addr[5]);
  1016. wb_data[1] = ((params->mac_addr[0] << 8) |
  1017. params->mac_addr[1]);
  1018. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  1019. wb_data, 2);
  1020. udelay(30);
  1021. /* Configure SAFC */
  1022. wb_data[0] = 0x1000200;
  1023. wb_data[1] = 0;
  1024. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  1025. wb_data, 2);
  1026. udelay(30);
  1027. /* set rx mtu */
  1028. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  1029. wb_data[1] = 0;
  1030. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  1031. udelay(30);
  1032. /* set tx mtu */
  1033. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  1034. wb_data[1] = 0;
  1035. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  1036. udelay(30);
  1037. /* set cnt max size */
  1038. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  1039. wb_data[1] = 0;
  1040. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  1041. udelay(30);
  1042. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  1043. return 0;
  1044. }
  1045. static int bnx2x_bmac_enable(struct link_params *params,
  1046. struct link_vars *vars,
  1047. u8 is_lb)
  1048. {
  1049. int rc = 0;
  1050. u8 port = params->port;
  1051. struct bnx2x *bp = params->bp;
  1052. u32 val;
  1053. /* reset and unreset the BigMac */
  1054. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1055. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1056. msleep(1);
  1057. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1058. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1059. /* enable access for bmac registers */
  1060. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  1061. /* Enable BMAC according to BMAC type*/
  1062. if (CHIP_IS_E2(bp))
  1063. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  1064. else
  1065. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1066. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1067. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1068. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1069. val = 0;
  1070. if ((params->feature_config_flags &
  1071. FEATURE_CONFIG_PFC_ENABLED) ||
  1072. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1073. val = 1;
  1074. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1075. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1076. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1077. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1078. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1079. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1080. vars->mac_type = MAC_TYPE_BMAC;
  1081. return rc;
  1082. }
  1083. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1084. {
  1085. struct bnx2x *bp = params->bp;
  1086. REG_WR(bp, params->shmem_base +
  1087. offsetof(struct shmem_region,
  1088. port_mb[params->port].link_status), link_status);
  1089. }
  1090. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1091. {
  1092. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1093. NIG_REG_INGRESS_BMAC0_MEM;
  1094. u32 wb_data[2];
  1095. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1096. /* Only if the bmac is out of reset */
  1097. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1098. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1099. nig_bmac_enable) {
  1100. if (CHIP_IS_E2(bp)) {
  1101. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1102. REG_RD_DMAE(bp, bmac_addr +
  1103. BIGMAC2_REGISTER_BMAC_CONTROL,
  1104. wb_data, 2);
  1105. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1106. REG_WR_DMAE(bp, bmac_addr +
  1107. BIGMAC2_REGISTER_BMAC_CONTROL,
  1108. wb_data, 2);
  1109. } else {
  1110. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1111. REG_RD_DMAE(bp, bmac_addr +
  1112. BIGMAC_REGISTER_BMAC_CONTROL,
  1113. wb_data, 2);
  1114. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1115. REG_WR_DMAE(bp, bmac_addr +
  1116. BIGMAC_REGISTER_BMAC_CONTROL,
  1117. wb_data, 2);
  1118. }
  1119. msleep(1);
  1120. }
  1121. }
  1122. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1123. u32 line_speed)
  1124. {
  1125. struct bnx2x *bp = params->bp;
  1126. u8 port = params->port;
  1127. u32 init_crd, crd;
  1128. u32 count = 1000;
  1129. /* disable port */
  1130. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1131. /* wait for init credit */
  1132. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1133. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1134. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1135. while ((init_crd != crd) && count) {
  1136. msleep(5);
  1137. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1138. count--;
  1139. }
  1140. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1141. if (init_crd != crd) {
  1142. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1143. init_crd, crd);
  1144. return -EINVAL;
  1145. }
  1146. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1147. line_speed == SPEED_10 ||
  1148. line_speed == SPEED_100 ||
  1149. line_speed == SPEED_1000 ||
  1150. line_speed == SPEED_2500) {
  1151. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1152. /* update threshold */
  1153. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1154. /* update init credit */
  1155. init_crd = 778; /* (800-18-4) */
  1156. } else {
  1157. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1158. ETH_OVREHEAD)/16;
  1159. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1160. /* update threshold */
  1161. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1162. /* update init credit */
  1163. switch (line_speed) {
  1164. case SPEED_10000:
  1165. init_crd = thresh + 553 - 22;
  1166. break;
  1167. case SPEED_12000:
  1168. init_crd = thresh + 664 - 22;
  1169. break;
  1170. case SPEED_13000:
  1171. init_crd = thresh + 742 - 22;
  1172. break;
  1173. case SPEED_16000:
  1174. init_crd = thresh + 778 - 22;
  1175. break;
  1176. default:
  1177. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1178. line_speed);
  1179. return -EINVAL;
  1180. }
  1181. }
  1182. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1183. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1184. line_speed, init_crd);
  1185. /* probe the credit changes */
  1186. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1187. msleep(5);
  1188. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1189. /* enable port */
  1190. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1191. return 0;
  1192. }
  1193. /**
  1194. * bnx2x_get_emac_base - retrive emac base address
  1195. *
  1196. * @bp: driver handle
  1197. * @mdc_mdio_access: access type
  1198. * @port: port id
  1199. *
  1200. * This function selects the MDC/MDIO access (through emac0 or
  1201. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1202. * phy has a default access mode, which could also be overridden
  1203. * by nvram configuration. This parameter, whether this is the
  1204. * default phy configuration, or the nvram overrun
  1205. * configuration, is passed here as mdc_mdio_access and selects
  1206. * the emac_base for the CL45 read/writes operations
  1207. */
  1208. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1209. u32 mdc_mdio_access, u8 port)
  1210. {
  1211. u32 emac_base = 0;
  1212. switch (mdc_mdio_access) {
  1213. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1214. break;
  1215. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1216. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1217. emac_base = GRCBASE_EMAC1;
  1218. else
  1219. emac_base = GRCBASE_EMAC0;
  1220. break;
  1221. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1222. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1223. emac_base = GRCBASE_EMAC0;
  1224. else
  1225. emac_base = GRCBASE_EMAC1;
  1226. break;
  1227. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1228. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1229. break;
  1230. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1231. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1232. break;
  1233. default:
  1234. break;
  1235. }
  1236. return emac_base;
  1237. }
  1238. /******************************************************************/
  1239. /* CL45 access functions */
  1240. /******************************************************************/
  1241. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1242. u8 devad, u16 reg, u16 *ret_val)
  1243. {
  1244. u32 val;
  1245. u16 i;
  1246. int rc = 0;
  1247. /* address */
  1248. val = ((phy->addr << 21) | (devad << 16) | reg |
  1249. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1250. EMAC_MDIO_COMM_START_BUSY);
  1251. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1252. for (i = 0; i < 50; i++) {
  1253. udelay(10);
  1254. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1255. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1256. udelay(5);
  1257. break;
  1258. }
  1259. }
  1260. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1261. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1262. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1263. *ret_val = 0;
  1264. rc = -EFAULT;
  1265. } else {
  1266. /* data */
  1267. val = ((phy->addr << 21) | (devad << 16) |
  1268. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1269. EMAC_MDIO_COMM_START_BUSY);
  1270. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1271. for (i = 0; i < 50; i++) {
  1272. udelay(10);
  1273. val = REG_RD(bp, phy->mdio_ctrl +
  1274. EMAC_REG_EMAC_MDIO_COMM);
  1275. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1276. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1277. break;
  1278. }
  1279. }
  1280. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1281. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1282. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1283. *ret_val = 0;
  1284. rc = -EFAULT;
  1285. }
  1286. }
  1287. return rc;
  1288. }
  1289. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1290. u8 devad, u16 reg, u16 val)
  1291. {
  1292. u32 tmp;
  1293. u8 i;
  1294. int rc = 0;
  1295. /* address */
  1296. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1297. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1298. EMAC_MDIO_COMM_START_BUSY);
  1299. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1300. for (i = 0; i < 50; i++) {
  1301. udelay(10);
  1302. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1303. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1304. udelay(5);
  1305. break;
  1306. }
  1307. }
  1308. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1309. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1310. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1311. rc = -EFAULT;
  1312. } else {
  1313. /* data */
  1314. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1315. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1316. EMAC_MDIO_COMM_START_BUSY);
  1317. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1318. for (i = 0; i < 50; i++) {
  1319. udelay(10);
  1320. tmp = REG_RD(bp, phy->mdio_ctrl +
  1321. EMAC_REG_EMAC_MDIO_COMM);
  1322. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1323. udelay(5);
  1324. break;
  1325. }
  1326. }
  1327. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1328. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1329. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1330. rc = -EFAULT;
  1331. }
  1332. }
  1333. return rc;
  1334. }
  1335. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1336. u8 devad, u16 reg, u16 *ret_val)
  1337. {
  1338. u8 phy_index;
  1339. /*
  1340. * Probe for the phy according to the given phy_addr, and execute
  1341. * the read request on it
  1342. */
  1343. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1344. if (params->phy[phy_index].addr == phy_addr) {
  1345. return bnx2x_cl45_read(params->bp,
  1346. &params->phy[phy_index], devad,
  1347. reg, ret_val);
  1348. }
  1349. }
  1350. return -EINVAL;
  1351. }
  1352. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1353. u8 devad, u16 reg, u16 val)
  1354. {
  1355. u8 phy_index;
  1356. /*
  1357. * Probe for the phy according to the given phy_addr, and execute
  1358. * the write request on it
  1359. */
  1360. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1361. if (params->phy[phy_index].addr == phy_addr) {
  1362. return bnx2x_cl45_write(params->bp,
  1363. &params->phy[phy_index], devad,
  1364. reg, val);
  1365. }
  1366. }
  1367. return -EINVAL;
  1368. }
  1369. static void bnx2x_set_aer_mmd(struct link_params *params,
  1370. struct bnx2x_phy *phy)
  1371. {
  1372. u32 ser_lane;
  1373. u16 offset, aer_val;
  1374. struct bnx2x *bp = params->bp;
  1375. ser_lane = ((params->lane_config &
  1376. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1377. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1378. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  1379. (phy->addr + ser_lane) : 0;
  1380. if (CHIP_IS_E2(bp))
  1381. aer_val = 0x3800 + offset - 1;
  1382. else
  1383. aer_val = 0x3800 + offset;
  1384. DP(NETIF_MSG_LINK, "Set AER to 0x%x\n", aer_val);
  1385. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1386. MDIO_AER_BLOCK_AER_REG, aer_val);
  1387. }
  1388. /******************************************************************/
  1389. /* Internal phy section */
  1390. /******************************************************************/
  1391. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1392. {
  1393. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1394. /* Set Clause 22 */
  1395. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1396. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1397. udelay(500);
  1398. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1399. udelay(500);
  1400. /* Set Clause 45 */
  1401. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1402. }
  1403. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1404. {
  1405. u32 val;
  1406. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1407. val = SERDES_RESET_BITS << (port*16);
  1408. /* reset and unreset the SerDes/XGXS */
  1409. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1410. udelay(500);
  1411. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1412. bnx2x_set_serdes_access(bp, port);
  1413. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1414. DEFAULT_PHY_DEV_ADDR);
  1415. }
  1416. static void bnx2x_xgxs_deassert(struct link_params *params)
  1417. {
  1418. struct bnx2x *bp = params->bp;
  1419. u8 port;
  1420. u32 val;
  1421. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1422. port = params->port;
  1423. val = XGXS_RESET_BITS << (port*16);
  1424. /* reset and unreset the SerDes/XGXS */
  1425. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1426. udelay(500);
  1427. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1428. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1429. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1430. params->phy[INT_PHY].def_md_devad);
  1431. }
  1432. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1433. struct link_params *params, u16 *ieee_fc)
  1434. {
  1435. struct bnx2x *bp = params->bp;
  1436. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1437. /**
  1438. * resolve pause mode and advertisement Please refer to Table
  1439. * 28B-3 of the 802.3ab-1999 spec
  1440. */
  1441. switch (phy->req_flow_ctrl) {
  1442. case BNX2X_FLOW_CTRL_AUTO:
  1443. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1444. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1445. else
  1446. *ieee_fc |=
  1447. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1448. break;
  1449. case BNX2X_FLOW_CTRL_TX:
  1450. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1451. break;
  1452. case BNX2X_FLOW_CTRL_RX:
  1453. case BNX2X_FLOW_CTRL_BOTH:
  1454. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1455. break;
  1456. case BNX2X_FLOW_CTRL_NONE:
  1457. default:
  1458. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1459. break;
  1460. }
  1461. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1462. }
  1463. static void set_phy_vars(struct link_params *params,
  1464. struct link_vars *vars)
  1465. {
  1466. struct bnx2x *bp = params->bp;
  1467. u8 actual_phy_idx, phy_index, link_cfg_idx;
  1468. u8 phy_config_swapped = params->multi_phy_config &
  1469. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  1470. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1471. phy_index++) {
  1472. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  1473. actual_phy_idx = phy_index;
  1474. if (phy_config_swapped) {
  1475. if (phy_index == EXT_PHY1)
  1476. actual_phy_idx = EXT_PHY2;
  1477. else if (phy_index == EXT_PHY2)
  1478. actual_phy_idx = EXT_PHY1;
  1479. }
  1480. params->phy[actual_phy_idx].req_flow_ctrl =
  1481. params->req_flow_ctrl[link_cfg_idx];
  1482. params->phy[actual_phy_idx].req_line_speed =
  1483. params->req_line_speed[link_cfg_idx];
  1484. params->phy[actual_phy_idx].speed_cap_mask =
  1485. params->speed_cap_mask[link_cfg_idx];
  1486. params->phy[actual_phy_idx].req_duplex =
  1487. params->req_duplex[link_cfg_idx];
  1488. if (params->req_line_speed[link_cfg_idx] ==
  1489. SPEED_AUTO_NEG)
  1490. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  1491. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  1492. " speed_cap_mask %x\n",
  1493. params->phy[actual_phy_idx].req_flow_ctrl,
  1494. params->phy[actual_phy_idx].req_line_speed,
  1495. params->phy[actual_phy_idx].speed_cap_mask);
  1496. }
  1497. }
  1498. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  1499. struct bnx2x_phy *phy,
  1500. struct link_vars *vars)
  1501. {
  1502. u16 val;
  1503. struct bnx2x *bp = params->bp;
  1504. /* read modify write pause advertizing */
  1505. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  1506. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  1507. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  1508. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  1509. if ((vars->ieee_fc &
  1510. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  1511. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  1512. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  1513. }
  1514. if ((vars->ieee_fc &
  1515. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  1516. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  1517. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  1518. }
  1519. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  1520. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  1521. }
  1522. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1523. { /* LD LP */
  1524. switch (pause_result) { /* ASYM P ASYM P */
  1525. case 0xb: /* 1 0 1 1 */
  1526. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1527. break;
  1528. case 0xe: /* 1 1 1 0 */
  1529. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1530. break;
  1531. case 0x5: /* 0 1 0 1 */
  1532. case 0x7: /* 0 1 1 1 */
  1533. case 0xd: /* 1 1 0 1 */
  1534. case 0xf: /* 1 1 1 1 */
  1535. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1536. break;
  1537. default:
  1538. break;
  1539. }
  1540. if (pause_result & (1<<0))
  1541. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1542. if (pause_result & (1<<1))
  1543. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1544. }
  1545. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  1546. struct link_params *params,
  1547. struct link_vars *vars)
  1548. {
  1549. struct bnx2x *bp = params->bp;
  1550. u16 ld_pause; /* local */
  1551. u16 lp_pause; /* link partner */
  1552. u16 pause_result;
  1553. u8 ret = 0;
  1554. /* read twice */
  1555. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1556. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  1557. vars->flow_ctrl = phy->req_flow_ctrl;
  1558. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  1559. vars->flow_ctrl = params->req_fc_auto_adv;
  1560. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  1561. ret = 1;
  1562. bnx2x_cl45_read(bp, phy,
  1563. MDIO_AN_DEVAD,
  1564. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  1565. bnx2x_cl45_read(bp, phy,
  1566. MDIO_AN_DEVAD,
  1567. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  1568. pause_result = (ld_pause &
  1569. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  1570. pause_result |= (lp_pause &
  1571. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  1572. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  1573. pause_result);
  1574. bnx2x_pause_resolve(vars, pause_result);
  1575. }
  1576. return ret;
  1577. }
  1578. void bnx2x_link_status_update(struct link_params *params,
  1579. struct link_vars *vars)
  1580. {
  1581. struct bnx2x *bp = params->bp;
  1582. u8 link_10g;
  1583. u8 port = params->port;
  1584. u32 sync_offset, media_types;
  1585. /* Update PHY configuration */
  1586. set_phy_vars(params, vars);
  1587. vars->link_status = REG_RD(bp, params->shmem_base +
  1588. offsetof(struct shmem_region,
  1589. port_mb[port].link_status));
  1590. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1591. vars->phy_flags = PHY_XGXS_FLAG;
  1592. if (vars->link_up) {
  1593. DP(NETIF_MSG_LINK, "phy link up\n");
  1594. vars->phy_link_up = 1;
  1595. vars->duplex = DUPLEX_FULL;
  1596. switch (vars->link_status &
  1597. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1598. case LINK_10THD:
  1599. vars->duplex = DUPLEX_HALF;
  1600. /* fall thru */
  1601. case LINK_10TFD:
  1602. vars->line_speed = SPEED_10;
  1603. break;
  1604. case LINK_100TXHD:
  1605. vars->duplex = DUPLEX_HALF;
  1606. /* fall thru */
  1607. case LINK_100T4:
  1608. case LINK_100TXFD:
  1609. vars->line_speed = SPEED_100;
  1610. break;
  1611. case LINK_1000THD:
  1612. vars->duplex = DUPLEX_HALF;
  1613. /* fall thru */
  1614. case LINK_1000TFD:
  1615. vars->line_speed = SPEED_1000;
  1616. break;
  1617. case LINK_2500THD:
  1618. vars->duplex = DUPLEX_HALF;
  1619. /* fall thru */
  1620. case LINK_2500TFD:
  1621. vars->line_speed = SPEED_2500;
  1622. break;
  1623. case LINK_10GTFD:
  1624. vars->line_speed = SPEED_10000;
  1625. break;
  1626. default:
  1627. break;
  1628. }
  1629. vars->flow_ctrl = 0;
  1630. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1631. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1632. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1633. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1634. if (!vars->flow_ctrl)
  1635. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1636. if (vars->line_speed &&
  1637. ((vars->line_speed == SPEED_10) ||
  1638. (vars->line_speed == SPEED_100))) {
  1639. vars->phy_flags |= PHY_SGMII_FLAG;
  1640. } else {
  1641. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1642. }
  1643. /* anything 10 and over uses the bmac */
  1644. link_10g = ((vars->line_speed == SPEED_10000) ||
  1645. (vars->line_speed == SPEED_12000) ||
  1646. (vars->line_speed == SPEED_12500) ||
  1647. (vars->line_speed == SPEED_13000) ||
  1648. (vars->line_speed == SPEED_15000) ||
  1649. (vars->line_speed == SPEED_16000));
  1650. if (link_10g)
  1651. vars->mac_type = MAC_TYPE_BMAC;
  1652. else
  1653. vars->mac_type = MAC_TYPE_EMAC;
  1654. } else { /* link down */
  1655. DP(NETIF_MSG_LINK, "phy link down\n");
  1656. vars->phy_link_up = 0;
  1657. vars->line_speed = 0;
  1658. vars->duplex = DUPLEX_FULL;
  1659. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1660. /* indicate no mac active */
  1661. vars->mac_type = MAC_TYPE_NONE;
  1662. }
  1663. /* Sync media type */
  1664. sync_offset = params->shmem_base +
  1665. offsetof(struct shmem_region,
  1666. dev_info.port_hw_config[port].media_type);
  1667. media_types = REG_RD(bp, sync_offset);
  1668. params->phy[INT_PHY].media_type =
  1669. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  1670. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  1671. params->phy[EXT_PHY1].media_type =
  1672. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  1673. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  1674. params->phy[EXT_PHY2].media_type =
  1675. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  1676. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  1677. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  1678. /* Sync AEU offset */
  1679. sync_offset = params->shmem_base +
  1680. offsetof(struct shmem_region,
  1681. dev_info.port_hw_config[port].aeu_int_mask);
  1682. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  1683. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  1684. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  1685. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1686. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1687. }
  1688. static void bnx2x_set_master_ln(struct link_params *params,
  1689. struct bnx2x_phy *phy)
  1690. {
  1691. struct bnx2x *bp = params->bp;
  1692. u16 new_master_ln, ser_lane;
  1693. ser_lane = ((params->lane_config &
  1694. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1695. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1696. /* set the master_ln for AN */
  1697. CL22_RD_OVER_CL45(bp, phy,
  1698. MDIO_REG_BANK_XGXS_BLOCK2,
  1699. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1700. &new_master_ln);
  1701. CL22_WR_OVER_CL45(bp, phy,
  1702. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1703. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1704. (new_master_ln | ser_lane));
  1705. }
  1706. static int bnx2x_reset_unicore(struct link_params *params,
  1707. struct bnx2x_phy *phy,
  1708. u8 set_serdes)
  1709. {
  1710. struct bnx2x *bp = params->bp;
  1711. u16 mii_control;
  1712. u16 i;
  1713. CL22_RD_OVER_CL45(bp, phy,
  1714. MDIO_REG_BANK_COMBO_IEEE0,
  1715. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1716. /* reset the unicore */
  1717. CL22_WR_OVER_CL45(bp, phy,
  1718. MDIO_REG_BANK_COMBO_IEEE0,
  1719. MDIO_COMBO_IEEE0_MII_CONTROL,
  1720. (mii_control |
  1721. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1722. if (set_serdes)
  1723. bnx2x_set_serdes_access(bp, params->port);
  1724. /* wait for the reset to self clear */
  1725. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1726. udelay(5);
  1727. /* the reset erased the previous bank value */
  1728. CL22_RD_OVER_CL45(bp, phy,
  1729. MDIO_REG_BANK_COMBO_IEEE0,
  1730. MDIO_COMBO_IEEE0_MII_CONTROL,
  1731. &mii_control);
  1732. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1733. udelay(5);
  1734. return 0;
  1735. }
  1736. }
  1737. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1738. " Port %d\n",
  1739. params->port);
  1740. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1741. return -EINVAL;
  1742. }
  1743. static void bnx2x_set_swap_lanes(struct link_params *params,
  1744. struct bnx2x_phy *phy)
  1745. {
  1746. struct bnx2x *bp = params->bp;
  1747. /*
  1748. * Each two bits represents a lane number:
  1749. * No swap is 0123 => 0x1b no need to enable the swap
  1750. */
  1751. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1752. ser_lane = ((params->lane_config &
  1753. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1754. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1755. rx_lane_swap = ((params->lane_config &
  1756. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1757. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1758. tx_lane_swap = ((params->lane_config &
  1759. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1760. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1761. if (rx_lane_swap != 0x1b) {
  1762. CL22_WR_OVER_CL45(bp, phy,
  1763. MDIO_REG_BANK_XGXS_BLOCK2,
  1764. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1765. (rx_lane_swap |
  1766. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1767. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1768. } else {
  1769. CL22_WR_OVER_CL45(bp, phy,
  1770. MDIO_REG_BANK_XGXS_BLOCK2,
  1771. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1772. }
  1773. if (tx_lane_swap != 0x1b) {
  1774. CL22_WR_OVER_CL45(bp, phy,
  1775. MDIO_REG_BANK_XGXS_BLOCK2,
  1776. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1777. (tx_lane_swap |
  1778. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1779. } else {
  1780. CL22_WR_OVER_CL45(bp, phy,
  1781. MDIO_REG_BANK_XGXS_BLOCK2,
  1782. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1783. }
  1784. }
  1785. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1786. struct link_params *params)
  1787. {
  1788. struct bnx2x *bp = params->bp;
  1789. u16 control2;
  1790. CL22_RD_OVER_CL45(bp, phy,
  1791. MDIO_REG_BANK_SERDES_DIGITAL,
  1792. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1793. &control2);
  1794. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1795. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1796. else
  1797. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1798. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1799. phy->speed_cap_mask, control2);
  1800. CL22_WR_OVER_CL45(bp, phy,
  1801. MDIO_REG_BANK_SERDES_DIGITAL,
  1802. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1803. control2);
  1804. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1805. (phy->speed_cap_mask &
  1806. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1807. DP(NETIF_MSG_LINK, "XGXS\n");
  1808. CL22_WR_OVER_CL45(bp, phy,
  1809. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1810. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1811. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1812. CL22_RD_OVER_CL45(bp, phy,
  1813. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1814. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1815. &control2);
  1816. control2 |=
  1817. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1818. CL22_WR_OVER_CL45(bp, phy,
  1819. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1820. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1821. control2);
  1822. /* Disable parallel detection of HiG */
  1823. CL22_WR_OVER_CL45(bp, phy,
  1824. MDIO_REG_BANK_XGXS_BLOCK2,
  1825. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1826. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1827. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1828. }
  1829. }
  1830. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1831. struct link_params *params,
  1832. struct link_vars *vars,
  1833. u8 enable_cl73)
  1834. {
  1835. struct bnx2x *bp = params->bp;
  1836. u16 reg_val;
  1837. /* CL37 Autoneg */
  1838. CL22_RD_OVER_CL45(bp, phy,
  1839. MDIO_REG_BANK_COMBO_IEEE0,
  1840. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1841. /* CL37 Autoneg Enabled */
  1842. if (vars->line_speed == SPEED_AUTO_NEG)
  1843. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1844. else /* CL37 Autoneg Disabled */
  1845. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1846. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1847. CL22_WR_OVER_CL45(bp, phy,
  1848. MDIO_REG_BANK_COMBO_IEEE0,
  1849. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1850. /* Enable/Disable Autodetection */
  1851. CL22_RD_OVER_CL45(bp, phy,
  1852. MDIO_REG_BANK_SERDES_DIGITAL,
  1853. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1854. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1855. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1856. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1857. if (vars->line_speed == SPEED_AUTO_NEG)
  1858. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1859. else
  1860. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1861. CL22_WR_OVER_CL45(bp, phy,
  1862. MDIO_REG_BANK_SERDES_DIGITAL,
  1863. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1864. /* Enable TetonII and BAM autoneg */
  1865. CL22_RD_OVER_CL45(bp, phy,
  1866. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1867. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1868. &reg_val);
  1869. if (vars->line_speed == SPEED_AUTO_NEG) {
  1870. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1871. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1872. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1873. } else {
  1874. /* TetonII and BAM Autoneg Disabled */
  1875. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1876. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1877. }
  1878. CL22_WR_OVER_CL45(bp, phy,
  1879. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1880. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1881. reg_val);
  1882. if (enable_cl73) {
  1883. /* Enable Cl73 FSM status bits */
  1884. CL22_WR_OVER_CL45(bp, phy,
  1885. MDIO_REG_BANK_CL73_USERB0,
  1886. MDIO_CL73_USERB0_CL73_UCTRL,
  1887. 0xe);
  1888. /* Enable BAM Station Manager*/
  1889. CL22_WR_OVER_CL45(bp, phy,
  1890. MDIO_REG_BANK_CL73_USERB0,
  1891. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1892. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1893. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1894. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1895. /* Advertise CL73 link speeds */
  1896. CL22_RD_OVER_CL45(bp, phy,
  1897. MDIO_REG_BANK_CL73_IEEEB1,
  1898. MDIO_CL73_IEEEB1_AN_ADV2,
  1899. &reg_val);
  1900. if (phy->speed_cap_mask &
  1901. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1902. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1903. if (phy->speed_cap_mask &
  1904. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1905. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1906. CL22_WR_OVER_CL45(bp, phy,
  1907. MDIO_REG_BANK_CL73_IEEEB1,
  1908. MDIO_CL73_IEEEB1_AN_ADV2,
  1909. reg_val);
  1910. /* CL73 Autoneg Enabled */
  1911. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1912. } else /* CL73 Autoneg Disabled */
  1913. reg_val = 0;
  1914. CL22_WR_OVER_CL45(bp, phy,
  1915. MDIO_REG_BANK_CL73_IEEEB0,
  1916. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1917. }
  1918. /* program SerDes, forced speed */
  1919. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1920. struct link_params *params,
  1921. struct link_vars *vars)
  1922. {
  1923. struct bnx2x *bp = params->bp;
  1924. u16 reg_val;
  1925. /* program duplex, disable autoneg and sgmii*/
  1926. CL22_RD_OVER_CL45(bp, phy,
  1927. MDIO_REG_BANK_COMBO_IEEE0,
  1928. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1929. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1930. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1931. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1932. if (phy->req_duplex == DUPLEX_FULL)
  1933. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1934. CL22_WR_OVER_CL45(bp, phy,
  1935. MDIO_REG_BANK_COMBO_IEEE0,
  1936. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1937. /*
  1938. * program speed
  1939. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1940. */
  1941. CL22_RD_OVER_CL45(bp, phy,
  1942. MDIO_REG_BANK_SERDES_DIGITAL,
  1943. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1944. /* clearing the speed value before setting the right speed */
  1945. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1946. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1947. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1948. if (!((vars->line_speed == SPEED_1000) ||
  1949. (vars->line_speed == SPEED_100) ||
  1950. (vars->line_speed == SPEED_10))) {
  1951. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1952. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1953. if (vars->line_speed == SPEED_10000)
  1954. reg_val |=
  1955. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1956. if (vars->line_speed == SPEED_13000)
  1957. reg_val |=
  1958. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1959. }
  1960. CL22_WR_OVER_CL45(bp, phy,
  1961. MDIO_REG_BANK_SERDES_DIGITAL,
  1962. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1963. }
  1964. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  1965. struct link_params *params)
  1966. {
  1967. struct bnx2x *bp = params->bp;
  1968. u16 val = 0;
  1969. /* configure the 48 bits for BAM AN */
  1970. /* set extended capabilities */
  1971. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1972. val |= MDIO_OVER_1G_UP1_2_5G;
  1973. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1974. val |= MDIO_OVER_1G_UP1_10G;
  1975. CL22_WR_OVER_CL45(bp, phy,
  1976. MDIO_REG_BANK_OVER_1G,
  1977. MDIO_OVER_1G_UP1, val);
  1978. CL22_WR_OVER_CL45(bp, phy,
  1979. MDIO_REG_BANK_OVER_1G,
  1980. MDIO_OVER_1G_UP3, 0x400);
  1981. }
  1982. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  1983. struct link_params *params,
  1984. u16 ieee_fc)
  1985. {
  1986. struct bnx2x *bp = params->bp;
  1987. u16 val;
  1988. /* for AN, we are always publishing full duplex */
  1989. CL22_WR_OVER_CL45(bp, phy,
  1990. MDIO_REG_BANK_COMBO_IEEE0,
  1991. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1992. CL22_RD_OVER_CL45(bp, phy,
  1993. MDIO_REG_BANK_CL73_IEEEB1,
  1994. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1995. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1996. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1997. CL22_WR_OVER_CL45(bp, phy,
  1998. MDIO_REG_BANK_CL73_IEEEB1,
  1999. MDIO_CL73_IEEEB1_AN_ADV1, val);
  2000. }
  2001. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  2002. struct link_params *params,
  2003. u8 enable_cl73)
  2004. {
  2005. struct bnx2x *bp = params->bp;
  2006. u16 mii_control;
  2007. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  2008. /* Enable and restart BAM/CL37 aneg */
  2009. if (enable_cl73) {
  2010. CL22_RD_OVER_CL45(bp, phy,
  2011. MDIO_REG_BANK_CL73_IEEEB0,
  2012. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2013. &mii_control);
  2014. CL22_WR_OVER_CL45(bp, phy,
  2015. MDIO_REG_BANK_CL73_IEEEB0,
  2016. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2017. (mii_control |
  2018. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  2019. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  2020. } else {
  2021. CL22_RD_OVER_CL45(bp, phy,
  2022. MDIO_REG_BANK_COMBO_IEEE0,
  2023. MDIO_COMBO_IEEE0_MII_CONTROL,
  2024. &mii_control);
  2025. DP(NETIF_MSG_LINK,
  2026. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  2027. mii_control);
  2028. CL22_WR_OVER_CL45(bp, phy,
  2029. MDIO_REG_BANK_COMBO_IEEE0,
  2030. MDIO_COMBO_IEEE0_MII_CONTROL,
  2031. (mii_control |
  2032. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2033. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  2034. }
  2035. }
  2036. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  2037. struct link_params *params,
  2038. struct link_vars *vars)
  2039. {
  2040. struct bnx2x *bp = params->bp;
  2041. u16 control1;
  2042. /* in SGMII mode, the unicore is always slave */
  2043. CL22_RD_OVER_CL45(bp, phy,
  2044. MDIO_REG_BANK_SERDES_DIGITAL,
  2045. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2046. &control1);
  2047. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  2048. /* set sgmii mode (and not fiber) */
  2049. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  2050. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  2051. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  2052. CL22_WR_OVER_CL45(bp, phy,
  2053. MDIO_REG_BANK_SERDES_DIGITAL,
  2054. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  2055. control1);
  2056. /* if forced speed */
  2057. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  2058. /* set speed, disable autoneg */
  2059. u16 mii_control;
  2060. CL22_RD_OVER_CL45(bp, phy,
  2061. MDIO_REG_BANK_COMBO_IEEE0,
  2062. MDIO_COMBO_IEEE0_MII_CONTROL,
  2063. &mii_control);
  2064. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  2065. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  2066. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  2067. switch (vars->line_speed) {
  2068. case SPEED_100:
  2069. mii_control |=
  2070. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  2071. break;
  2072. case SPEED_1000:
  2073. mii_control |=
  2074. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  2075. break;
  2076. case SPEED_10:
  2077. /* there is nothing to set for 10M */
  2078. break;
  2079. default:
  2080. /* invalid speed for SGMII */
  2081. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2082. vars->line_speed);
  2083. break;
  2084. }
  2085. /* setting the full duplex */
  2086. if (phy->req_duplex == DUPLEX_FULL)
  2087. mii_control |=
  2088. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  2089. CL22_WR_OVER_CL45(bp, phy,
  2090. MDIO_REG_BANK_COMBO_IEEE0,
  2091. MDIO_COMBO_IEEE0_MII_CONTROL,
  2092. mii_control);
  2093. } else { /* AN mode */
  2094. /* enable and restart AN */
  2095. bnx2x_restart_autoneg(phy, params, 0);
  2096. }
  2097. }
  2098. /*
  2099. * link management
  2100. */
  2101. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  2102. struct link_params *params)
  2103. {
  2104. struct bnx2x *bp = params->bp;
  2105. u16 pd_10g, status2_1000x;
  2106. if (phy->req_line_speed != SPEED_AUTO_NEG)
  2107. return 0;
  2108. CL22_RD_OVER_CL45(bp, phy,
  2109. MDIO_REG_BANK_SERDES_DIGITAL,
  2110. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2111. &status2_1000x);
  2112. CL22_RD_OVER_CL45(bp, phy,
  2113. MDIO_REG_BANK_SERDES_DIGITAL,
  2114. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  2115. &status2_1000x);
  2116. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  2117. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2118. params->port);
  2119. return 1;
  2120. }
  2121. CL22_RD_OVER_CL45(bp, phy,
  2122. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2123. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2124. &pd_10g);
  2125. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2126. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2127. params->port);
  2128. return 1;
  2129. }
  2130. return 0;
  2131. }
  2132. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2133. struct link_params *params,
  2134. struct link_vars *vars,
  2135. u32 gp_status)
  2136. {
  2137. struct bnx2x *bp = params->bp;
  2138. u16 ld_pause; /* local driver */
  2139. u16 lp_pause; /* link partner */
  2140. u16 pause_result;
  2141. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2142. /* resolve from gp_status in case of AN complete and not sgmii */
  2143. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2144. vars->flow_ctrl = phy->req_flow_ctrl;
  2145. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2146. vars->flow_ctrl = params->req_fc_auto_adv;
  2147. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2148. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2149. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2150. vars->flow_ctrl = params->req_fc_auto_adv;
  2151. return;
  2152. }
  2153. if ((gp_status &
  2154. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2155. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2156. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2157. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2158. CL22_RD_OVER_CL45(bp, phy,
  2159. MDIO_REG_BANK_CL73_IEEEB1,
  2160. MDIO_CL73_IEEEB1_AN_ADV1,
  2161. &ld_pause);
  2162. CL22_RD_OVER_CL45(bp, phy,
  2163. MDIO_REG_BANK_CL73_IEEEB1,
  2164. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2165. &lp_pause);
  2166. pause_result = (ld_pause &
  2167. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2168. >> 8;
  2169. pause_result |= (lp_pause &
  2170. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2171. >> 10;
  2172. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2173. pause_result);
  2174. } else {
  2175. CL22_RD_OVER_CL45(bp, phy,
  2176. MDIO_REG_BANK_COMBO_IEEE0,
  2177. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2178. &ld_pause);
  2179. CL22_RD_OVER_CL45(bp, phy,
  2180. MDIO_REG_BANK_COMBO_IEEE0,
  2181. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2182. &lp_pause);
  2183. pause_result = (ld_pause &
  2184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2185. pause_result |= (lp_pause &
  2186. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2187. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2188. pause_result);
  2189. }
  2190. bnx2x_pause_resolve(vars, pause_result);
  2191. }
  2192. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2193. }
  2194. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2195. struct link_params *params)
  2196. {
  2197. struct bnx2x *bp = params->bp;
  2198. u16 rx_status, ustat_val, cl37_fsm_received;
  2199. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2200. /* Step 1: Make sure signal is detected */
  2201. CL22_RD_OVER_CL45(bp, phy,
  2202. MDIO_REG_BANK_RX0,
  2203. MDIO_RX0_RX_STATUS,
  2204. &rx_status);
  2205. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2206. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2207. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2208. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2209. CL22_WR_OVER_CL45(bp, phy,
  2210. MDIO_REG_BANK_CL73_IEEEB0,
  2211. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2212. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2213. return;
  2214. }
  2215. /* Step 2: Check CL73 state machine */
  2216. CL22_RD_OVER_CL45(bp, phy,
  2217. MDIO_REG_BANK_CL73_USERB0,
  2218. MDIO_CL73_USERB0_CL73_USTAT1,
  2219. &ustat_val);
  2220. if ((ustat_val &
  2221. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2222. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2223. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2224. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2225. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2226. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2227. return;
  2228. }
  2229. /*
  2230. * Step 3: Check CL37 Message Pages received to indicate LP
  2231. * supports only CL37
  2232. */
  2233. CL22_RD_OVER_CL45(bp, phy,
  2234. MDIO_REG_BANK_REMOTE_PHY,
  2235. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2236. &cl37_fsm_received);
  2237. if ((cl37_fsm_received &
  2238. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2239. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2240. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2241. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2242. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2243. "misc_rx_status(0x8330) = 0x%x\n",
  2244. cl37_fsm_received);
  2245. return;
  2246. }
  2247. /*
  2248. * The combined cl37/cl73 fsm state information indicating that
  2249. * we are connected to a device which does not support cl73, but
  2250. * does support cl37 BAM. In this case we disable cl73 and
  2251. * restart cl37 auto-neg
  2252. */
  2253. /* Disable CL73 */
  2254. CL22_WR_OVER_CL45(bp, phy,
  2255. MDIO_REG_BANK_CL73_IEEEB0,
  2256. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2257. 0);
  2258. /* Restart CL37 autoneg */
  2259. bnx2x_restart_autoneg(phy, params, 0);
  2260. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2261. }
  2262. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2263. struct link_params *params,
  2264. struct link_vars *vars,
  2265. u32 gp_status)
  2266. {
  2267. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2268. vars->link_status |=
  2269. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2270. if (bnx2x_direct_parallel_detect_used(phy, params))
  2271. vars->link_status |=
  2272. LINK_STATUS_PARALLEL_DETECTION_USED;
  2273. }
  2274. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2275. struct link_params *params,
  2276. struct link_vars *vars)
  2277. {
  2278. struct bnx2x *bp = params->bp;
  2279. u16 new_line_speed, gp_status;
  2280. int rc = 0;
  2281. /* Read gp_status */
  2282. CL22_RD_OVER_CL45(bp, phy,
  2283. MDIO_REG_BANK_GP_STATUS,
  2284. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2285. &gp_status);
  2286. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2287. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2288. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2289. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2290. gp_status);
  2291. vars->phy_link_up = 1;
  2292. vars->link_status |= LINK_STATUS_LINK_UP;
  2293. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2294. vars->duplex = DUPLEX_FULL;
  2295. else
  2296. vars->duplex = DUPLEX_HALF;
  2297. if (SINGLE_MEDIA_DIRECT(params)) {
  2298. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2299. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2300. bnx2x_xgxs_an_resolve(phy, params, vars,
  2301. gp_status);
  2302. }
  2303. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2304. case GP_STATUS_10M:
  2305. new_line_speed = SPEED_10;
  2306. if (vars->duplex == DUPLEX_FULL)
  2307. vars->link_status |= LINK_10TFD;
  2308. else
  2309. vars->link_status |= LINK_10THD;
  2310. break;
  2311. case GP_STATUS_100M:
  2312. new_line_speed = SPEED_100;
  2313. if (vars->duplex == DUPLEX_FULL)
  2314. vars->link_status |= LINK_100TXFD;
  2315. else
  2316. vars->link_status |= LINK_100TXHD;
  2317. break;
  2318. case GP_STATUS_1G:
  2319. case GP_STATUS_1G_KX:
  2320. new_line_speed = SPEED_1000;
  2321. if (vars->duplex == DUPLEX_FULL)
  2322. vars->link_status |= LINK_1000TFD;
  2323. else
  2324. vars->link_status |= LINK_1000THD;
  2325. break;
  2326. case GP_STATUS_2_5G:
  2327. new_line_speed = SPEED_2500;
  2328. if (vars->duplex == DUPLEX_FULL)
  2329. vars->link_status |= LINK_2500TFD;
  2330. else
  2331. vars->link_status |= LINK_2500THD;
  2332. break;
  2333. case GP_STATUS_5G:
  2334. case GP_STATUS_6G:
  2335. DP(NETIF_MSG_LINK,
  2336. "link speed unsupported gp_status 0x%x\n",
  2337. gp_status);
  2338. return -EINVAL;
  2339. case GP_STATUS_10G_KX4:
  2340. case GP_STATUS_10G_HIG:
  2341. case GP_STATUS_10G_CX4:
  2342. new_line_speed = SPEED_10000;
  2343. vars->link_status |= LINK_10GTFD;
  2344. break;
  2345. default:
  2346. DP(NETIF_MSG_LINK,
  2347. "link speed unsupported gp_status 0x%x\n",
  2348. gp_status);
  2349. return -EINVAL;
  2350. }
  2351. vars->line_speed = new_line_speed;
  2352. } else { /* link_down */
  2353. DP(NETIF_MSG_LINK, "phy link down\n");
  2354. vars->phy_link_up = 0;
  2355. vars->duplex = DUPLEX_FULL;
  2356. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2357. vars->mac_type = MAC_TYPE_NONE;
  2358. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2359. SINGLE_MEDIA_DIRECT(params)) {
  2360. /* Check signal is detected */
  2361. bnx2x_check_fallback_to_cl37(phy, params);
  2362. }
  2363. }
  2364. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2365. gp_status, vars->phy_link_up, vars->line_speed);
  2366. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2367. vars->duplex, vars->flow_ctrl, vars->link_status);
  2368. return rc;
  2369. }
  2370. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2371. {
  2372. struct bnx2x *bp = params->bp;
  2373. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2374. u16 lp_up2;
  2375. u16 tx_driver;
  2376. u16 bank;
  2377. /* read precomp */
  2378. CL22_RD_OVER_CL45(bp, phy,
  2379. MDIO_REG_BANK_OVER_1G,
  2380. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2381. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2382. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2383. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2384. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2385. if (lp_up2 == 0)
  2386. return;
  2387. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2388. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2389. CL22_RD_OVER_CL45(bp, phy,
  2390. bank,
  2391. MDIO_TX0_TX_DRIVER, &tx_driver);
  2392. /* replace tx_driver bits [15:12] */
  2393. if (lp_up2 !=
  2394. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2395. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2396. tx_driver |= lp_up2;
  2397. CL22_WR_OVER_CL45(bp, phy,
  2398. bank,
  2399. MDIO_TX0_TX_DRIVER, tx_driver);
  2400. }
  2401. }
  2402. }
  2403. static int bnx2x_emac_program(struct link_params *params,
  2404. struct link_vars *vars)
  2405. {
  2406. struct bnx2x *bp = params->bp;
  2407. u8 port = params->port;
  2408. u16 mode = 0;
  2409. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2410. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2411. EMAC_REG_EMAC_MODE,
  2412. (EMAC_MODE_25G_MODE |
  2413. EMAC_MODE_PORT_MII_10M |
  2414. EMAC_MODE_HALF_DUPLEX));
  2415. switch (vars->line_speed) {
  2416. case SPEED_10:
  2417. mode |= EMAC_MODE_PORT_MII_10M;
  2418. break;
  2419. case SPEED_100:
  2420. mode |= EMAC_MODE_PORT_MII;
  2421. break;
  2422. case SPEED_1000:
  2423. mode |= EMAC_MODE_PORT_GMII;
  2424. break;
  2425. case SPEED_2500:
  2426. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2427. break;
  2428. default:
  2429. /* 10G not valid for EMAC */
  2430. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2431. vars->line_speed);
  2432. return -EINVAL;
  2433. }
  2434. if (vars->duplex == DUPLEX_HALF)
  2435. mode |= EMAC_MODE_HALF_DUPLEX;
  2436. bnx2x_bits_en(bp,
  2437. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2438. mode);
  2439. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2440. return 0;
  2441. }
  2442. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2443. struct link_params *params)
  2444. {
  2445. u16 bank, i = 0;
  2446. struct bnx2x *bp = params->bp;
  2447. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2448. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2449. CL22_WR_OVER_CL45(bp, phy,
  2450. bank,
  2451. MDIO_RX0_RX_EQ_BOOST,
  2452. phy->rx_preemphasis[i]);
  2453. }
  2454. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2455. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2456. CL22_WR_OVER_CL45(bp, phy,
  2457. bank,
  2458. MDIO_TX0_TX_DRIVER,
  2459. phy->tx_preemphasis[i]);
  2460. }
  2461. }
  2462. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  2463. struct link_params *params,
  2464. struct link_vars *vars)
  2465. {
  2466. struct bnx2x *bp = params->bp;
  2467. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2468. (params->loopback_mode == LOOPBACK_XGXS));
  2469. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2470. if (SINGLE_MEDIA_DIRECT(params) &&
  2471. (params->feature_config_flags &
  2472. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2473. bnx2x_set_preemphasis(phy, params);
  2474. /* forced speed requested? */
  2475. if (vars->line_speed != SPEED_AUTO_NEG ||
  2476. (SINGLE_MEDIA_DIRECT(params) &&
  2477. params->loopback_mode == LOOPBACK_EXT)) {
  2478. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2479. /* disable autoneg */
  2480. bnx2x_set_autoneg(phy, params, vars, 0);
  2481. /* program speed and duplex */
  2482. bnx2x_program_serdes(phy, params, vars);
  2483. } else { /* AN_mode */
  2484. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2485. /* AN enabled */
  2486. bnx2x_set_brcm_cl37_advertisement(phy, params);
  2487. /* program duplex & pause advertisement (for aneg) */
  2488. bnx2x_set_ieee_aneg_advertisement(phy, params,
  2489. vars->ieee_fc);
  2490. /* enable autoneg */
  2491. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2492. /* enable and restart AN */
  2493. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2494. }
  2495. } else { /* SGMII mode */
  2496. DP(NETIF_MSG_LINK, "SGMII\n");
  2497. bnx2x_initialize_sgmii_process(phy, params, vars);
  2498. }
  2499. }
  2500. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  2501. struct link_params *params,
  2502. struct link_vars *vars)
  2503. {
  2504. int rc;
  2505. vars->phy_flags |= PHY_XGXS_FLAG;
  2506. if ((phy->req_line_speed &&
  2507. ((phy->req_line_speed == SPEED_100) ||
  2508. (phy->req_line_speed == SPEED_10))) ||
  2509. (!phy->req_line_speed &&
  2510. (phy->speed_cap_mask >=
  2511. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2512. (phy->speed_cap_mask <
  2513. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  2514. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  2515. vars->phy_flags |= PHY_SGMII_FLAG;
  2516. else
  2517. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2518. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2519. bnx2x_set_aer_mmd(params, phy);
  2520. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  2521. bnx2x_set_master_ln(params, phy);
  2522. rc = bnx2x_reset_unicore(params, phy, 0);
  2523. /* reset the SerDes and wait for reset bit return low */
  2524. if (rc != 0)
  2525. return rc;
  2526. bnx2x_set_aer_mmd(params, phy);
  2527. /* setting the masterLn_def again after the reset */
  2528. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  2529. bnx2x_set_master_ln(params, phy);
  2530. bnx2x_set_swap_lanes(params, phy);
  2531. }
  2532. return rc;
  2533. }
  2534. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2535. struct bnx2x_phy *phy,
  2536. struct link_params *params)
  2537. {
  2538. u16 cnt, ctrl;
  2539. /* Wait for soft reset to get cleared up to 1 sec */
  2540. for (cnt = 0; cnt < 1000; cnt++) {
  2541. bnx2x_cl45_read(bp, phy,
  2542. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2543. if (!(ctrl & (1<<15)))
  2544. break;
  2545. msleep(1);
  2546. }
  2547. if (cnt == 1000)
  2548. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2549. " Port %d\n",
  2550. params->port);
  2551. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2552. return cnt;
  2553. }
  2554. static void bnx2x_link_int_enable(struct link_params *params)
  2555. {
  2556. u8 port = params->port;
  2557. u32 mask;
  2558. struct bnx2x *bp = params->bp;
  2559. /* Setting the status to report on link up for either XGXS or SerDes */
  2560. if (params->switch_cfg == SWITCH_CFG_10G) {
  2561. mask = (NIG_MASK_XGXS0_LINK10G |
  2562. NIG_MASK_XGXS0_LINK_STATUS);
  2563. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2564. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2565. params->phy[INT_PHY].type !=
  2566. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2567. mask |= NIG_MASK_MI_INT;
  2568. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2569. }
  2570. } else { /* SerDes */
  2571. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2572. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2573. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2574. params->phy[INT_PHY].type !=
  2575. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2576. mask |= NIG_MASK_MI_INT;
  2577. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2578. }
  2579. }
  2580. bnx2x_bits_en(bp,
  2581. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2582. mask);
  2583. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2584. (params->switch_cfg == SWITCH_CFG_10G),
  2585. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2586. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2587. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2588. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2589. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2590. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2591. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2592. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2593. }
  2594. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2595. u8 exp_mi_int)
  2596. {
  2597. u32 latch_status = 0;
  2598. /*
  2599. * Disable the MI INT ( external phy int ) by writing 1 to the
  2600. * status register. Link down indication is high-active-signal,
  2601. * so in this case we need to write the status to clear the XOR
  2602. */
  2603. /* Read Latched signals */
  2604. latch_status = REG_RD(bp,
  2605. NIG_REG_LATCH_STATUS_0 + port*8);
  2606. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2607. /* Handle only those with latched-signal=up.*/
  2608. if (exp_mi_int)
  2609. bnx2x_bits_en(bp,
  2610. NIG_REG_STATUS_INTERRUPT_PORT0
  2611. + port*4,
  2612. NIG_STATUS_EMAC0_MI_INT);
  2613. else
  2614. bnx2x_bits_dis(bp,
  2615. NIG_REG_STATUS_INTERRUPT_PORT0
  2616. + port*4,
  2617. NIG_STATUS_EMAC0_MI_INT);
  2618. if (latch_status & 1) {
  2619. /* For all latched-signal=up : Re-Arm Latch signals */
  2620. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2621. (latch_status & 0xfffe) | (latch_status & 1));
  2622. }
  2623. /* For all latched-signal=up,Write original_signal to status */
  2624. }
  2625. static void bnx2x_link_int_ack(struct link_params *params,
  2626. struct link_vars *vars, u8 is_10g)
  2627. {
  2628. struct bnx2x *bp = params->bp;
  2629. u8 port = params->port;
  2630. /*
  2631. * First reset all status we assume only one line will be
  2632. * change at a time
  2633. */
  2634. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2635. (NIG_STATUS_XGXS0_LINK10G |
  2636. NIG_STATUS_XGXS0_LINK_STATUS |
  2637. NIG_STATUS_SERDES0_LINK_STATUS));
  2638. if (vars->phy_link_up) {
  2639. if (is_10g) {
  2640. /*
  2641. * Disable the 10G link interrupt by writing 1 to the
  2642. * status register
  2643. */
  2644. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2645. bnx2x_bits_en(bp,
  2646. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2647. NIG_STATUS_XGXS0_LINK10G);
  2648. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2649. /*
  2650. * Disable the link interrupt by writing 1 to the
  2651. * relevant lane in the status register
  2652. */
  2653. u32 ser_lane = ((params->lane_config &
  2654. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2655. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2656. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2657. vars->line_speed);
  2658. bnx2x_bits_en(bp,
  2659. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2660. ((1 << ser_lane) <<
  2661. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2662. } else { /* SerDes */
  2663. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2664. /*
  2665. * Disable the link interrupt by writing 1 to the status
  2666. * register
  2667. */
  2668. bnx2x_bits_en(bp,
  2669. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2670. NIG_STATUS_SERDES0_LINK_STATUS);
  2671. }
  2672. }
  2673. }
  2674. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2675. {
  2676. u8 *str_ptr = str;
  2677. u32 mask = 0xf0000000;
  2678. u8 shift = 8*4;
  2679. u8 digit;
  2680. u8 remove_leading_zeros = 1;
  2681. if (*len < 10) {
  2682. /* Need more than 10chars for this format */
  2683. *str_ptr = '\0';
  2684. (*len)--;
  2685. return -EINVAL;
  2686. }
  2687. while (shift > 0) {
  2688. shift -= 4;
  2689. digit = ((num & mask) >> shift);
  2690. if (digit == 0 && remove_leading_zeros) {
  2691. mask = mask >> 4;
  2692. continue;
  2693. } else if (digit < 0xa)
  2694. *str_ptr = digit + '0';
  2695. else
  2696. *str_ptr = digit - 0xa + 'a';
  2697. remove_leading_zeros = 0;
  2698. str_ptr++;
  2699. (*len)--;
  2700. mask = mask >> 4;
  2701. if (shift == 4*4) {
  2702. *str_ptr = '.';
  2703. str_ptr++;
  2704. (*len)--;
  2705. remove_leading_zeros = 1;
  2706. }
  2707. }
  2708. return 0;
  2709. }
  2710. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2711. {
  2712. str[0] = '\0';
  2713. (*len)--;
  2714. return 0;
  2715. }
  2716. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2717. u8 *version, u16 len)
  2718. {
  2719. struct bnx2x *bp;
  2720. u32 spirom_ver = 0;
  2721. int status = 0;
  2722. u8 *ver_p = version;
  2723. u16 remain_len = len;
  2724. if (version == NULL || params == NULL)
  2725. return -EINVAL;
  2726. bp = params->bp;
  2727. /* Extract first external phy*/
  2728. version[0] = '\0';
  2729. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2730. if (params->phy[EXT_PHY1].format_fw_ver) {
  2731. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2732. ver_p,
  2733. &remain_len);
  2734. ver_p += (len - remain_len);
  2735. }
  2736. if ((params->num_phys == MAX_PHYS) &&
  2737. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2738. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2739. if (params->phy[EXT_PHY2].format_fw_ver) {
  2740. *ver_p = '/';
  2741. ver_p++;
  2742. remain_len--;
  2743. status |= params->phy[EXT_PHY2].format_fw_ver(
  2744. spirom_ver,
  2745. ver_p,
  2746. &remain_len);
  2747. ver_p = version + (len - remain_len);
  2748. }
  2749. }
  2750. *ver_p = '\0';
  2751. return status;
  2752. }
  2753. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2754. struct link_params *params)
  2755. {
  2756. u8 port = params->port;
  2757. struct bnx2x *bp = params->bp;
  2758. if (phy->req_line_speed != SPEED_1000) {
  2759. u32 md_devad;
  2760. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2761. /* change the uni_phy_addr in the nig */
  2762. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2763. port*0x18));
  2764. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2765. bnx2x_cl45_write(bp, phy,
  2766. 5,
  2767. (MDIO_REG_BANK_AER_BLOCK +
  2768. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2769. 0x2800);
  2770. bnx2x_cl45_write(bp, phy,
  2771. 5,
  2772. (MDIO_REG_BANK_CL73_IEEEB0 +
  2773. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2774. 0x6041);
  2775. msleep(200);
  2776. /* set aer mmd back */
  2777. bnx2x_set_aer_mmd(params, phy);
  2778. /* and md_devad */
  2779. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2780. } else {
  2781. u16 mii_ctrl;
  2782. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2783. bnx2x_cl45_read(bp, phy, 5,
  2784. (MDIO_REG_BANK_COMBO_IEEE0 +
  2785. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2786. &mii_ctrl);
  2787. bnx2x_cl45_write(bp, phy, 5,
  2788. (MDIO_REG_BANK_COMBO_IEEE0 +
  2789. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2790. mii_ctrl |
  2791. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2792. }
  2793. }
  2794. int bnx2x_set_led(struct link_params *params,
  2795. struct link_vars *vars, u8 mode, u32 speed)
  2796. {
  2797. u8 port = params->port;
  2798. u16 hw_led_mode = params->hw_led_mode;
  2799. int rc = 0;
  2800. u8 phy_idx;
  2801. u32 tmp;
  2802. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2803. struct bnx2x *bp = params->bp;
  2804. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2805. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2806. speed, hw_led_mode);
  2807. /* In case */
  2808. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2809. if (params->phy[phy_idx].set_link_led) {
  2810. params->phy[phy_idx].set_link_led(
  2811. &params->phy[phy_idx], params, mode);
  2812. }
  2813. }
  2814. switch (mode) {
  2815. case LED_MODE_FRONT_PANEL_OFF:
  2816. case LED_MODE_OFF:
  2817. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2818. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2819. SHARED_HW_CFG_LED_MAC1);
  2820. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2821. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2822. break;
  2823. case LED_MODE_OPER:
  2824. /*
  2825. * For all other phys, OPER mode is same as ON, so in case
  2826. * link is down, do nothing
  2827. */
  2828. if (!vars->link_up)
  2829. break;
  2830. case LED_MODE_ON:
  2831. if (((params->phy[EXT_PHY1].type ==
  2832. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2833. (params->phy[EXT_PHY1].type ==
  2834. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2835. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2836. /*
  2837. * This is a work-around for E2+8727 Configurations
  2838. */
  2839. if (mode == LED_MODE_ON ||
  2840. speed == SPEED_10000){
  2841. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2842. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2843. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2844. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2845. (tmp | EMAC_LED_OVERRIDE));
  2846. return rc;
  2847. }
  2848. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2849. /*
  2850. * This is a work-around for HW issue found when link
  2851. * is up in CL73
  2852. */
  2853. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2854. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2855. } else {
  2856. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2857. }
  2858. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2859. /* Set blinking rate to ~15.9Hz */
  2860. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2861. LED_BLINK_RATE_VAL);
  2862. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2863. port*4, 1);
  2864. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2865. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2866. if (CHIP_IS_E1(bp) &&
  2867. ((speed == SPEED_2500) ||
  2868. (speed == SPEED_1000) ||
  2869. (speed == SPEED_100) ||
  2870. (speed == SPEED_10))) {
  2871. /*
  2872. * On Everest 1 Ax chip versions for speeds less than
  2873. * 10G LED scheme is different
  2874. */
  2875. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2876. + port*4, 1);
  2877. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2878. port*4, 0);
  2879. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2880. port*4, 1);
  2881. }
  2882. break;
  2883. default:
  2884. rc = -EINVAL;
  2885. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2886. mode);
  2887. break;
  2888. }
  2889. return rc;
  2890. }
  2891. /*
  2892. * This function comes to reflect the actual link state read DIRECTLY from the
  2893. * HW
  2894. */
  2895. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2896. u8 is_serdes)
  2897. {
  2898. struct bnx2x *bp = params->bp;
  2899. u16 gp_status = 0, phy_index = 0;
  2900. u8 ext_phy_link_up = 0, serdes_phy_type;
  2901. struct link_vars temp_vars;
  2902. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2903. MDIO_REG_BANK_GP_STATUS,
  2904. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2905. &gp_status);
  2906. /* link is up only if both local phy and external phy are up */
  2907. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2908. return -ESRCH;
  2909. switch (params->num_phys) {
  2910. case 1:
  2911. /* No external PHY */
  2912. return 0;
  2913. case 2:
  2914. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2915. &params->phy[EXT_PHY1],
  2916. params, &temp_vars);
  2917. break;
  2918. case 3: /* Dual Media */
  2919. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2920. phy_index++) {
  2921. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2922. ETH_PHY_SFP_FIBER) ||
  2923. (params->phy[phy_index].media_type ==
  2924. ETH_PHY_XFP_FIBER) ||
  2925. (params->phy[phy_index].media_type ==
  2926. ETH_PHY_DA_TWINAX));
  2927. if (is_serdes != serdes_phy_type)
  2928. continue;
  2929. if (params->phy[phy_index].read_status) {
  2930. ext_phy_link_up |=
  2931. params->phy[phy_index].read_status(
  2932. &params->phy[phy_index],
  2933. params, &temp_vars);
  2934. }
  2935. }
  2936. break;
  2937. }
  2938. if (ext_phy_link_up)
  2939. return 0;
  2940. return -ESRCH;
  2941. }
  2942. static int bnx2x_link_initialize(struct link_params *params,
  2943. struct link_vars *vars)
  2944. {
  2945. int rc = 0;
  2946. u8 phy_index, non_ext_phy;
  2947. struct bnx2x *bp = params->bp;
  2948. /*
  2949. * In case of external phy existence, the line speed would be the
  2950. * line speed linked up by the external phy. In case it is direct
  2951. * only, then the line_speed during initialization will be
  2952. * equal to the req_line_speed
  2953. */
  2954. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2955. /*
  2956. * Initialize the internal phy in case this is a direct board
  2957. * (no external phys), or this board has external phy which requires
  2958. * to first.
  2959. */
  2960. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  2961. /* init ext phy and enable link state int */
  2962. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2963. (params->loopback_mode == LOOPBACK_XGXS));
  2964. if (non_ext_phy ||
  2965. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2966. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2967. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2968. if (vars->line_speed == SPEED_AUTO_NEG)
  2969. bnx2x_set_parallel_detection(phy, params);
  2970. if (params->phy[INT_PHY].config_init)
  2971. params->phy[INT_PHY].config_init(phy,
  2972. params,
  2973. vars);
  2974. }
  2975. /* Init external phy*/
  2976. if (non_ext_phy) {
  2977. if (params->phy[INT_PHY].supported &
  2978. SUPPORTED_FIBRE)
  2979. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2980. } else {
  2981. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2982. phy_index++) {
  2983. /*
  2984. * No need to initialize second phy in case of first
  2985. * phy only selection. In case of second phy, we do
  2986. * need to initialize the first phy, since they are
  2987. * connected.
  2988. */
  2989. if (params->phy[phy_index].supported &
  2990. SUPPORTED_FIBRE)
  2991. vars->link_status |= LINK_STATUS_SERDES_LINK;
  2992. if (phy_index == EXT_PHY2 &&
  2993. (bnx2x_phy_selection(params) ==
  2994. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2995. DP(NETIF_MSG_LINK, "Not initializing"
  2996. " second phy\n");
  2997. continue;
  2998. }
  2999. params->phy[phy_index].config_init(
  3000. &params->phy[phy_index],
  3001. params, vars);
  3002. }
  3003. }
  3004. /* Reset the interrupt indication after phy was initialized */
  3005. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  3006. params->port*4,
  3007. (NIG_STATUS_XGXS0_LINK10G |
  3008. NIG_STATUS_XGXS0_LINK_STATUS |
  3009. NIG_STATUS_SERDES0_LINK_STATUS |
  3010. NIG_MASK_MI_INT));
  3011. bnx2x_update_mng(params, vars->link_status);
  3012. return rc;
  3013. }
  3014. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  3015. struct link_params *params)
  3016. {
  3017. /* reset the SerDes/XGXS */
  3018. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  3019. (0x1ff << (params->port*16)));
  3020. }
  3021. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  3022. struct link_params *params)
  3023. {
  3024. struct bnx2x *bp = params->bp;
  3025. u8 gpio_port;
  3026. /* HW reset */
  3027. if (CHIP_IS_E2(bp))
  3028. gpio_port = BP_PATH(bp);
  3029. else
  3030. gpio_port = params->port;
  3031. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3032. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3033. gpio_port);
  3034. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3035. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3036. gpio_port);
  3037. DP(NETIF_MSG_LINK, "reset external PHY\n");
  3038. }
  3039. static int bnx2x_update_link_down(struct link_params *params,
  3040. struct link_vars *vars)
  3041. {
  3042. struct bnx2x *bp = params->bp;
  3043. u8 port = params->port;
  3044. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  3045. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  3046. /* indicate no mac active */
  3047. vars->mac_type = MAC_TYPE_NONE;
  3048. /* update shared memory */
  3049. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  3050. LINK_STATUS_LINK_UP |
  3051. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  3052. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  3053. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  3054. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK);
  3055. vars->line_speed = 0;
  3056. bnx2x_update_mng(params, vars->link_status);
  3057. /* activate nig drain */
  3058. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  3059. /* disable emac */
  3060. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3061. msleep(10);
  3062. /* reset BigMac */
  3063. bnx2x_bmac_rx_disable(bp, params->port);
  3064. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  3065. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  3066. return 0;
  3067. }
  3068. static int bnx2x_update_link_up(struct link_params *params,
  3069. struct link_vars *vars,
  3070. u8 link_10g)
  3071. {
  3072. struct bnx2x *bp = params->bp;
  3073. u8 port = params->port;
  3074. int rc = 0;
  3075. vars->link_status |= LINK_STATUS_LINK_UP;
  3076. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  3077. vars->link_status |=
  3078. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  3079. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  3080. vars->link_status |=
  3081. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  3082. if (link_10g) {
  3083. bnx2x_bmac_enable(params, vars, 0);
  3084. bnx2x_set_led(params, vars,
  3085. LED_MODE_OPER, SPEED_10000);
  3086. } else {
  3087. rc = bnx2x_emac_program(params, vars);
  3088. bnx2x_emac_enable(params, vars, 0);
  3089. /* AN complete? */
  3090. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  3091. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  3092. SINGLE_MEDIA_DIRECT(params))
  3093. bnx2x_set_gmii_tx_driver(params);
  3094. }
  3095. /* PBF - link up */
  3096. if (!(CHIP_IS_E2(bp)))
  3097. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  3098. vars->line_speed);
  3099. /* disable drain */
  3100. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  3101. /* update shared memory */
  3102. bnx2x_update_mng(params, vars->link_status);
  3103. msleep(20);
  3104. return rc;
  3105. }
  3106. /*
  3107. * The bnx2x_link_update function should be called upon link
  3108. * interrupt.
  3109. * Link is considered up as follows:
  3110. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3111. * to be up
  3112. * - SINGLE_MEDIA - The link between the 577xx and the external
  3113. * phy (XGXS) need to up as well as the external link of the
  3114. * phy (PHY_EXT1)
  3115. * - DUAL_MEDIA - The link between the 577xx and the first
  3116. * external phy needs to be up, and at least one of the 2
  3117. * external phy link must be up.
  3118. */
  3119. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3120. {
  3121. struct bnx2x *bp = params->bp;
  3122. struct link_vars phy_vars[MAX_PHYS];
  3123. u8 port = params->port;
  3124. u8 link_10g, phy_index;
  3125. u8 ext_phy_link_up = 0, cur_link_up;
  3126. int rc = 0;
  3127. u8 is_mi_int = 0;
  3128. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3129. u8 active_external_phy = INT_PHY;
  3130. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3131. phy_index++) {
  3132. phy_vars[phy_index].flow_ctrl = 0;
  3133. phy_vars[phy_index].link_status = 0;
  3134. phy_vars[phy_index].line_speed = 0;
  3135. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3136. phy_vars[phy_index].phy_link_up = 0;
  3137. phy_vars[phy_index].link_up = 0;
  3138. phy_vars[phy_index].fault_detected = 0;
  3139. }
  3140. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3141. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3142. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3143. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3144. port*0x18) > 0);
  3145. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3146. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3147. is_mi_int,
  3148. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3149. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3150. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3151. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3152. /* disable emac */
  3153. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3154. /*
  3155. * Step 1:
  3156. * Check external link change only for external phys, and apply
  3157. * priority selection between them in case the link on both phys
  3158. * is up. Note that instead of the common vars, a temporary
  3159. * vars argument is used since each phy may have different link/
  3160. * speed/duplex result
  3161. */
  3162. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3163. phy_index++) {
  3164. struct bnx2x_phy *phy = &params->phy[phy_index];
  3165. if (!phy->read_status)
  3166. continue;
  3167. /* Read link status and params of this ext phy */
  3168. cur_link_up = phy->read_status(phy, params,
  3169. &phy_vars[phy_index]);
  3170. if (cur_link_up) {
  3171. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3172. phy_index);
  3173. } else {
  3174. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3175. phy_index);
  3176. continue;
  3177. }
  3178. if (!ext_phy_link_up) {
  3179. ext_phy_link_up = 1;
  3180. active_external_phy = phy_index;
  3181. } else {
  3182. switch (bnx2x_phy_selection(params)) {
  3183. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3184. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3185. /*
  3186. * In this option, the first PHY makes sure to pass the
  3187. * traffic through itself only.
  3188. * Its not clear how to reset the link on the second phy
  3189. */
  3190. active_external_phy = EXT_PHY1;
  3191. break;
  3192. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3193. /*
  3194. * In this option, the first PHY makes sure to pass the
  3195. * traffic through the second PHY.
  3196. */
  3197. active_external_phy = EXT_PHY2;
  3198. break;
  3199. default:
  3200. /*
  3201. * Link indication on both PHYs with the following cases
  3202. * is invalid:
  3203. * - FIRST_PHY means that second phy wasn't initialized,
  3204. * hence its link is expected to be down
  3205. * - SECOND_PHY means that first phy should not be able
  3206. * to link up by itself (using configuration)
  3207. * - DEFAULT should be overriden during initialiazation
  3208. */
  3209. DP(NETIF_MSG_LINK, "Invalid link indication"
  3210. "mpc=0x%x. DISABLING LINK !!!\n",
  3211. params->multi_phy_config);
  3212. ext_phy_link_up = 0;
  3213. break;
  3214. }
  3215. }
  3216. }
  3217. prev_line_speed = vars->line_speed;
  3218. /*
  3219. * Step 2:
  3220. * Read the status of the internal phy. In case of
  3221. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3222. * otherwise this is the link between the 577xx and the first
  3223. * external phy
  3224. */
  3225. if (params->phy[INT_PHY].read_status)
  3226. params->phy[INT_PHY].read_status(
  3227. &params->phy[INT_PHY],
  3228. params, vars);
  3229. /*
  3230. * The INT_PHY flow control reside in the vars. This include the
  3231. * case where the speed or flow control are not set to AUTO.
  3232. * Otherwise, the active external phy flow control result is set
  3233. * to the vars. The ext_phy_line_speed is needed to check if the
  3234. * speed is different between the internal phy and external phy.
  3235. * This case may be result of intermediate link speed change.
  3236. */
  3237. if (active_external_phy > INT_PHY) {
  3238. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3239. /*
  3240. * Link speed is taken from the XGXS. AN and FC result from
  3241. * the external phy.
  3242. */
  3243. vars->link_status |= phy_vars[active_external_phy].link_status;
  3244. /*
  3245. * if active_external_phy is first PHY and link is up - disable
  3246. * disable TX on second external PHY
  3247. */
  3248. if (active_external_phy == EXT_PHY1) {
  3249. if (params->phy[EXT_PHY2].phy_specific_func) {
  3250. DP(NETIF_MSG_LINK, "Disabling TX on"
  3251. " EXT_PHY2\n");
  3252. params->phy[EXT_PHY2].phy_specific_func(
  3253. &params->phy[EXT_PHY2],
  3254. params, DISABLE_TX);
  3255. }
  3256. }
  3257. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3258. vars->duplex = phy_vars[active_external_phy].duplex;
  3259. if (params->phy[active_external_phy].supported &
  3260. SUPPORTED_FIBRE)
  3261. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3262. else
  3263. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  3264. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3265. active_external_phy);
  3266. }
  3267. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3268. phy_index++) {
  3269. if (params->phy[phy_index].flags &
  3270. FLAGS_REARM_LATCH_SIGNAL) {
  3271. bnx2x_rearm_latch_signal(bp, port,
  3272. phy_index ==
  3273. active_external_phy);
  3274. break;
  3275. }
  3276. }
  3277. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3278. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3279. vars->link_status, ext_phy_line_speed);
  3280. /*
  3281. * Upon link speed change set the NIG into drain mode. Comes to
  3282. * deals with possible FIFO glitch due to clk change when speed
  3283. * is decreased without link down indicator
  3284. */
  3285. if (vars->phy_link_up) {
  3286. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3287. (ext_phy_line_speed != vars->line_speed)) {
  3288. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3289. " different than the external"
  3290. " link speed %d\n", vars->line_speed,
  3291. ext_phy_line_speed);
  3292. vars->phy_link_up = 0;
  3293. } else if (prev_line_speed != vars->line_speed) {
  3294. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3295. 0);
  3296. msleep(1);
  3297. }
  3298. }
  3299. /* anything 10 and over uses the bmac */
  3300. link_10g = ((vars->line_speed == SPEED_10000) ||
  3301. (vars->line_speed == SPEED_12000) ||
  3302. (vars->line_speed == SPEED_12500) ||
  3303. (vars->line_speed == SPEED_13000) ||
  3304. (vars->line_speed == SPEED_15000) ||
  3305. (vars->line_speed == SPEED_16000));
  3306. bnx2x_link_int_ack(params, vars, link_10g);
  3307. /*
  3308. * In case external phy link is up, and internal link is down
  3309. * (not initialized yet probably after link initialization, it
  3310. * needs to be initialized.
  3311. * Note that after link down-up as result of cable plug, the xgxs
  3312. * link would probably become up again without the need
  3313. * initialize it
  3314. */
  3315. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3316. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3317. " init_preceding = %d\n", ext_phy_link_up,
  3318. vars->phy_link_up,
  3319. params->phy[EXT_PHY1].flags &
  3320. FLAGS_INIT_XGXS_FIRST);
  3321. if (!(params->phy[EXT_PHY1].flags &
  3322. FLAGS_INIT_XGXS_FIRST)
  3323. && ext_phy_link_up && !vars->phy_link_up) {
  3324. vars->line_speed = ext_phy_line_speed;
  3325. if (vars->line_speed < SPEED_1000)
  3326. vars->phy_flags |= PHY_SGMII_FLAG;
  3327. else
  3328. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3329. if (params->phy[INT_PHY].config_init)
  3330. params->phy[INT_PHY].config_init(
  3331. &params->phy[INT_PHY], params,
  3332. vars);
  3333. }
  3334. }
  3335. /*
  3336. * Link is up only if both local phy and external phy (in case of
  3337. * non-direct board) are up and no fault detected on active PHY.
  3338. */
  3339. vars->link_up = (vars->phy_link_up &&
  3340. (ext_phy_link_up ||
  3341. SINGLE_MEDIA_DIRECT(params)) &&
  3342. (phy_vars[active_external_phy].fault_detected == 0));
  3343. if (vars->link_up)
  3344. rc = bnx2x_update_link_up(params, vars, link_10g);
  3345. else
  3346. rc = bnx2x_update_link_down(params, vars);
  3347. return rc;
  3348. }
  3349. /*****************************************************************************/
  3350. /* External Phy section */
  3351. /*****************************************************************************/
  3352. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3353. {
  3354. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3355. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3356. msleep(1);
  3357. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3358. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3359. }
  3360. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3361. u32 spirom_ver, u32 ver_addr)
  3362. {
  3363. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3364. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3365. if (ver_addr)
  3366. REG_WR(bp, ver_addr, spirom_ver);
  3367. }
  3368. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3369. struct bnx2x_phy *phy,
  3370. u8 port)
  3371. {
  3372. u16 fw_ver1, fw_ver2;
  3373. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3374. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3375. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3376. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3377. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3378. phy->ver_addr);
  3379. }
  3380. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3381. struct bnx2x_phy *phy,
  3382. struct link_vars *vars)
  3383. {
  3384. u16 val;
  3385. bnx2x_cl45_read(bp, phy,
  3386. MDIO_AN_DEVAD,
  3387. MDIO_AN_REG_STATUS, &val);
  3388. bnx2x_cl45_read(bp, phy,
  3389. MDIO_AN_DEVAD,
  3390. MDIO_AN_REG_STATUS, &val);
  3391. if (val & (1<<5))
  3392. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3393. if ((val & (1<<0)) == 0)
  3394. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3395. }
  3396. /******************************************************************/
  3397. /* common BCM8073/BCM8727 PHY SECTION */
  3398. /******************************************************************/
  3399. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3400. struct link_params *params,
  3401. struct link_vars *vars)
  3402. {
  3403. struct bnx2x *bp = params->bp;
  3404. if (phy->req_line_speed == SPEED_10 ||
  3405. phy->req_line_speed == SPEED_100) {
  3406. vars->flow_ctrl = phy->req_flow_ctrl;
  3407. return;
  3408. }
  3409. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3410. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3411. u16 pause_result;
  3412. u16 ld_pause; /* local */
  3413. u16 lp_pause; /* link partner */
  3414. bnx2x_cl45_read(bp, phy,
  3415. MDIO_AN_DEVAD,
  3416. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3417. bnx2x_cl45_read(bp, phy,
  3418. MDIO_AN_DEVAD,
  3419. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3420. pause_result = (ld_pause &
  3421. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3422. pause_result |= (lp_pause &
  3423. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3424. bnx2x_pause_resolve(vars, pause_result);
  3425. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3426. pause_result);
  3427. }
  3428. }
  3429. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3430. struct bnx2x_phy *phy,
  3431. u8 port)
  3432. {
  3433. u32 count = 0;
  3434. u16 fw_ver1, fw_msgout;
  3435. int rc = 0;
  3436. /* Boot port from external ROM */
  3437. /* EDC grst */
  3438. bnx2x_cl45_write(bp, phy,
  3439. MDIO_PMA_DEVAD,
  3440. MDIO_PMA_REG_GEN_CTRL,
  3441. 0x0001);
  3442. /* ucode reboot and rst */
  3443. bnx2x_cl45_write(bp, phy,
  3444. MDIO_PMA_DEVAD,
  3445. MDIO_PMA_REG_GEN_CTRL,
  3446. 0x008c);
  3447. bnx2x_cl45_write(bp, phy,
  3448. MDIO_PMA_DEVAD,
  3449. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3450. /* Reset internal microprocessor */
  3451. bnx2x_cl45_write(bp, phy,
  3452. MDIO_PMA_DEVAD,
  3453. MDIO_PMA_REG_GEN_CTRL,
  3454. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3455. /* Release srst bit */
  3456. bnx2x_cl45_write(bp, phy,
  3457. MDIO_PMA_DEVAD,
  3458. MDIO_PMA_REG_GEN_CTRL,
  3459. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3460. /* Delay 100ms per the PHY specifications */
  3461. msleep(100);
  3462. /* 8073 sometimes taking longer to download */
  3463. do {
  3464. count++;
  3465. if (count > 300) {
  3466. DP(NETIF_MSG_LINK,
  3467. "bnx2x_8073_8727_external_rom_boot port %x:"
  3468. "Download failed. fw version = 0x%x\n",
  3469. port, fw_ver1);
  3470. rc = -EINVAL;
  3471. break;
  3472. }
  3473. bnx2x_cl45_read(bp, phy,
  3474. MDIO_PMA_DEVAD,
  3475. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3476. bnx2x_cl45_read(bp, phy,
  3477. MDIO_PMA_DEVAD,
  3478. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3479. msleep(1);
  3480. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3481. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3482. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3483. /* Clear ser_boot_ctl bit */
  3484. bnx2x_cl45_write(bp, phy,
  3485. MDIO_PMA_DEVAD,
  3486. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3487. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3488. DP(NETIF_MSG_LINK,
  3489. "bnx2x_8073_8727_external_rom_boot port %x:"
  3490. "Download complete. fw version = 0x%x\n",
  3491. port, fw_ver1);
  3492. return rc;
  3493. }
  3494. /******************************************************************/
  3495. /* BCM8073 PHY SECTION */
  3496. /******************************************************************/
  3497. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3498. {
  3499. /* This is only required for 8073A1, version 102 only */
  3500. u16 val;
  3501. /* Read 8073 HW revision*/
  3502. bnx2x_cl45_read(bp, phy,
  3503. MDIO_PMA_DEVAD,
  3504. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3505. if (val != 1) {
  3506. /* No need to workaround in 8073 A1 */
  3507. return 0;
  3508. }
  3509. bnx2x_cl45_read(bp, phy,
  3510. MDIO_PMA_DEVAD,
  3511. MDIO_PMA_REG_ROM_VER2, &val);
  3512. /* SNR should be applied only for version 0x102 */
  3513. if (val != 0x102)
  3514. return 0;
  3515. return 1;
  3516. }
  3517. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3518. {
  3519. u16 val, cnt, cnt1 ;
  3520. bnx2x_cl45_read(bp, phy,
  3521. MDIO_PMA_DEVAD,
  3522. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3523. if (val > 0) {
  3524. /* No need to workaround in 8073 A1 */
  3525. return 0;
  3526. }
  3527. /* XAUI workaround in 8073 A0: */
  3528. /*
  3529. * After loading the boot ROM and restarting Autoneg, poll
  3530. * Dev1, Reg $C820:
  3531. */
  3532. for (cnt = 0; cnt < 1000; cnt++) {
  3533. bnx2x_cl45_read(bp, phy,
  3534. MDIO_PMA_DEVAD,
  3535. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3536. &val);
  3537. /*
  3538. * If bit [14] = 0 or bit [13] = 0, continue on with
  3539. * system initialization (XAUI work-around not required, as
  3540. * these bits indicate 2.5G or 1G link up).
  3541. */
  3542. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3543. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3544. return 0;
  3545. } else if (!(val & (1<<15))) {
  3546. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3547. /*
  3548. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3549. * MSB (bit15) goes to 1 (indicating that the XAUI
  3550. * workaround has completed), then continue on with
  3551. * system initialization.
  3552. */
  3553. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3554. bnx2x_cl45_read(bp, phy,
  3555. MDIO_PMA_DEVAD,
  3556. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3557. if (val & (1<<15)) {
  3558. DP(NETIF_MSG_LINK,
  3559. "XAUI workaround has completed\n");
  3560. return 0;
  3561. }
  3562. msleep(3);
  3563. }
  3564. break;
  3565. }
  3566. msleep(3);
  3567. }
  3568. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3569. return -EINVAL;
  3570. }
  3571. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3572. {
  3573. /* Force KR or KX */
  3574. bnx2x_cl45_write(bp, phy,
  3575. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3576. bnx2x_cl45_write(bp, phy,
  3577. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3578. bnx2x_cl45_write(bp, phy,
  3579. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3580. bnx2x_cl45_write(bp, phy,
  3581. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3582. }
  3583. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3584. struct bnx2x_phy *phy,
  3585. struct link_vars *vars)
  3586. {
  3587. u16 cl37_val;
  3588. struct bnx2x *bp = params->bp;
  3589. bnx2x_cl45_read(bp, phy,
  3590. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3591. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3592. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3593. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3594. if ((vars->ieee_fc &
  3595. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3596. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3597. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3598. }
  3599. if ((vars->ieee_fc &
  3600. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3601. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3602. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3603. }
  3604. if ((vars->ieee_fc &
  3605. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3606. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3607. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3608. }
  3609. DP(NETIF_MSG_LINK,
  3610. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3611. bnx2x_cl45_write(bp, phy,
  3612. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3613. msleep(500);
  3614. }
  3615. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3616. struct link_params *params,
  3617. struct link_vars *vars)
  3618. {
  3619. struct bnx2x *bp = params->bp;
  3620. u16 val = 0, tmp1;
  3621. u8 gpio_port;
  3622. DP(NETIF_MSG_LINK, "Init 8073\n");
  3623. if (CHIP_IS_E2(bp))
  3624. gpio_port = BP_PATH(bp);
  3625. else
  3626. gpio_port = params->port;
  3627. /* Restore normal power mode*/
  3628. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3629. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3630. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3631. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3632. /* enable LASI */
  3633. bnx2x_cl45_write(bp, phy,
  3634. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3635. bnx2x_cl45_write(bp, phy,
  3636. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3637. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3638. bnx2x_cl45_read(bp, phy,
  3639. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3640. bnx2x_cl45_read(bp, phy,
  3641. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3642. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3643. /* Swap polarity if required - Must be done only in non-1G mode */
  3644. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3645. /* Configure the 8073 to swap _P and _N of the KR lines */
  3646. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3647. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3648. bnx2x_cl45_read(bp, phy,
  3649. MDIO_PMA_DEVAD,
  3650. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3651. bnx2x_cl45_write(bp, phy,
  3652. MDIO_PMA_DEVAD,
  3653. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3654. (val | (3<<9)));
  3655. }
  3656. /* Enable CL37 BAM */
  3657. if (REG_RD(bp, params->shmem_base +
  3658. offsetof(struct shmem_region, dev_info.
  3659. port_hw_config[params->port].default_cfg)) &
  3660. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3661. bnx2x_cl45_read(bp, phy,
  3662. MDIO_AN_DEVAD,
  3663. MDIO_AN_REG_8073_BAM, &val);
  3664. bnx2x_cl45_write(bp, phy,
  3665. MDIO_AN_DEVAD,
  3666. MDIO_AN_REG_8073_BAM, val | 1);
  3667. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3668. }
  3669. if (params->loopback_mode == LOOPBACK_EXT) {
  3670. bnx2x_807x_force_10G(bp, phy);
  3671. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3672. return 0;
  3673. } else {
  3674. bnx2x_cl45_write(bp, phy,
  3675. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3676. }
  3677. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3678. if (phy->req_line_speed == SPEED_10000) {
  3679. val = (1<<7);
  3680. } else if (phy->req_line_speed == SPEED_2500) {
  3681. val = (1<<5);
  3682. /*
  3683. * Note that 2.5G works only when used with 1G
  3684. * advertisement
  3685. */
  3686. } else
  3687. val = (1<<5);
  3688. } else {
  3689. val = 0;
  3690. if (phy->speed_cap_mask &
  3691. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3692. val |= (1<<7);
  3693. /* Note that 2.5G works only when used with 1G advertisement */
  3694. if (phy->speed_cap_mask &
  3695. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3696. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3697. val |= (1<<5);
  3698. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3699. }
  3700. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3701. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3702. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3703. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3704. (phy->req_line_speed == SPEED_2500)) {
  3705. u16 phy_ver;
  3706. /* Allow 2.5G for A1 and above */
  3707. bnx2x_cl45_read(bp, phy,
  3708. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3709. &phy_ver);
  3710. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3711. if (phy_ver > 0)
  3712. tmp1 |= 1;
  3713. else
  3714. tmp1 &= 0xfffe;
  3715. } else {
  3716. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3717. tmp1 &= 0xfffe;
  3718. }
  3719. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3720. /* Add support for CL37 (passive mode) II */
  3721. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3722. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3723. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3724. 0x20 : 0x40)));
  3725. /* Add support for CL37 (passive mode) III */
  3726. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3727. /*
  3728. * The SNR will improve about 2db by changing BW and FEE main
  3729. * tap. Rest commands are executed after link is up
  3730. * Change FFE main cursor to 5 in EDC register
  3731. */
  3732. if (bnx2x_8073_is_snr_needed(bp, phy))
  3733. bnx2x_cl45_write(bp, phy,
  3734. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3735. 0xFB0C);
  3736. /* Enable FEC (Forware Error Correction) Request in the AN */
  3737. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3738. tmp1 |= (1<<15);
  3739. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3740. bnx2x_ext_phy_set_pause(params, phy, vars);
  3741. /* Restart autoneg */
  3742. msleep(500);
  3743. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3744. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3745. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3746. return 0;
  3747. }
  3748. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3749. struct link_params *params,
  3750. struct link_vars *vars)
  3751. {
  3752. struct bnx2x *bp = params->bp;
  3753. u8 link_up = 0;
  3754. u16 val1, val2;
  3755. u16 link_status = 0;
  3756. u16 an1000_status = 0;
  3757. bnx2x_cl45_read(bp, phy,
  3758. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3759. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3760. /* clear the interrupt LASI status register */
  3761. bnx2x_cl45_read(bp, phy,
  3762. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3763. bnx2x_cl45_read(bp, phy,
  3764. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3765. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3766. /* Clear MSG-OUT */
  3767. bnx2x_cl45_read(bp, phy,
  3768. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3769. /* Check the LASI */
  3770. bnx2x_cl45_read(bp, phy,
  3771. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3772. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3773. /* Check the link status */
  3774. bnx2x_cl45_read(bp, phy,
  3775. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3776. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3777. bnx2x_cl45_read(bp, phy,
  3778. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3779. bnx2x_cl45_read(bp, phy,
  3780. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3781. link_up = ((val1 & 4) == 4);
  3782. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3783. if (link_up &&
  3784. ((phy->req_line_speed != SPEED_10000))) {
  3785. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3786. return 0;
  3787. }
  3788. bnx2x_cl45_read(bp, phy,
  3789. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3790. bnx2x_cl45_read(bp, phy,
  3791. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3792. /* Check the link status on 1.1.2 */
  3793. bnx2x_cl45_read(bp, phy,
  3794. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3795. bnx2x_cl45_read(bp, phy,
  3796. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3797. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3798. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3799. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3800. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3801. /*
  3802. * The SNR will improve about 2dbby changing the BW and FEE main
  3803. * tap. The 1st write to change FFE main tap is set before
  3804. * restart AN. Change PLL Bandwidth in EDC register
  3805. */
  3806. bnx2x_cl45_write(bp, phy,
  3807. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3808. 0x26BC);
  3809. /* Change CDR Bandwidth in EDC register */
  3810. bnx2x_cl45_write(bp, phy,
  3811. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3812. 0x0333);
  3813. }
  3814. bnx2x_cl45_read(bp, phy,
  3815. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3816. &link_status);
  3817. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3818. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3819. link_up = 1;
  3820. vars->line_speed = SPEED_10000;
  3821. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3822. params->port);
  3823. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3824. link_up = 1;
  3825. vars->line_speed = SPEED_2500;
  3826. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3827. params->port);
  3828. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3829. link_up = 1;
  3830. vars->line_speed = SPEED_1000;
  3831. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3832. params->port);
  3833. } else {
  3834. link_up = 0;
  3835. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3836. params->port);
  3837. }
  3838. if (link_up) {
  3839. /* Swap polarity if required */
  3840. if (params->lane_config &
  3841. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3842. /* Configure the 8073 to swap P and N of the KR lines */
  3843. bnx2x_cl45_read(bp, phy,
  3844. MDIO_XS_DEVAD,
  3845. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3846. /*
  3847. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3848. * when it`s in 10G mode.
  3849. */
  3850. if (vars->line_speed == SPEED_1000) {
  3851. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3852. "the 8073\n");
  3853. val1 |= (1<<3);
  3854. } else
  3855. val1 &= ~(1<<3);
  3856. bnx2x_cl45_write(bp, phy,
  3857. MDIO_XS_DEVAD,
  3858. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3859. val1);
  3860. }
  3861. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3862. bnx2x_8073_resolve_fc(phy, params, vars);
  3863. vars->duplex = DUPLEX_FULL;
  3864. }
  3865. return link_up;
  3866. }
  3867. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3868. struct link_params *params)
  3869. {
  3870. struct bnx2x *bp = params->bp;
  3871. u8 gpio_port;
  3872. if (CHIP_IS_E2(bp))
  3873. gpio_port = BP_PATH(bp);
  3874. else
  3875. gpio_port = params->port;
  3876. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3877. gpio_port);
  3878. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3879. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3880. gpio_port);
  3881. }
  3882. /******************************************************************/
  3883. /* BCM8705 PHY SECTION */
  3884. /******************************************************************/
  3885. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3886. struct link_params *params,
  3887. struct link_vars *vars)
  3888. {
  3889. struct bnx2x *bp = params->bp;
  3890. DP(NETIF_MSG_LINK, "init 8705\n");
  3891. /* Restore normal power mode*/
  3892. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3893. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3894. /* HW reset */
  3895. bnx2x_ext_phy_hw_reset(bp, params->port);
  3896. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3897. bnx2x_wait_reset_complete(bp, phy, params);
  3898. bnx2x_cl45_write(bp, phy,
  3899. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3900. bnx2x_cl45_write(bp, phy,
  3901. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3902. bnx2x_cl45_write(bp, phy,
  3903. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3904. bnx2x_cl45_write(bp, phy,
  3905. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3906. /* BCM8705 doesn't have microcode, hence the 0 */
  3907. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3908. return 0;
  3909. }
  3910. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3911. struct link_params *params,
  3912. struct link_vars *vars)
  3913. {
  3914. u8 link_up = 0;
  3915. u16 val1, rx_sd;
  3916. struct bnx2x *bp = params->bp;
  3917. DP(NETIF_MSG_LINK, "read status 8705\n");
  3918. bnx2x_cl45_read(bp, phy,
  3919. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3920. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3921. bnx2x_cl45_read(bp, phy,
  3922. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3923. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3924. bnx2x_cl45_read(bp, phy,
  3925. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3926. bnx2x_cl45_read(bp, phy,
  3927. MDIO_PMA_DEVAD, 0xc809, &val1);
  3928. bnx2x_cl45_read(bp, phy,
  3929. MDIO_PMA_DEVAD, 0xc809, &val1);
  3930. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3931. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3932. if (link_up) {
  3933. vars->line_speed = SPEED_10000;
  3934. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3935. }
  3936. return link_up;
  3937. }
  3938. /******************************************************************/
  3939. /* SFP+ module Section */
  3940. /******************************************************************/
  3941. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3942. {
  3943. u8 gpio_port;
  3944. u32 swap_val, swap_override;
  3945. struct bnx2x *bp = params->bp;
  3946. if (CHIP_IS_E2(bp))
  3947. gpio_port = BP_PATH(bp);
  3948. else
  3949. gpio_port = params->port;
  3950. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3951. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3952. return gpio_port ^ (swap_val && swap_override);
  3953. }
  3954. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3955. struct bnx2x_phy *phy,
  3956. u8 tx_en)
  3957. {
  3958. u16 val;
  3959. u8 port = params->port;
  3960. struct bnx2x *bp = params->bp;
  3961. u32 tx_en_mode;
  3962. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3963. tx_en_mode = REG_RD(bp, params->shmem_base +
  3964. offsetof(struct shmem_region,
  3965. dev_info.port_hw_config[port].sfp_ctrl)) &
  3966. PORT_HW_CFG_TX_LASER_MASK;
  3967. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3968. "mode = %x\n", tx_en, port, tx_en_mode);
  3969. switch (tx_en_mode) {
  3970. case PORT_HW_CFG_TX_LASER_MDIO:
  3971. bnx2x_cl45_read(bp, phy,
  3972. MDIO_PMA_DEVAD,
  3973. MDIO_PMA_REG_PHY_IDENTIFIER,
  3974. &val);
  3975. if (tx_en)
  3976. val &= ~(1<<15);
  3977. else
  3978. val |= (1<<15);
  3979. bnx2x_cl45_write(bp, phy,
  3980. MDIO_PMA_DEVAD,
  3981. MDIO_PMA_REG_PHY_IDENTIFIER,
  3982. val);
  3983. break;
  3984. case PORT_HW_CFG_TX_LASER_GPIO0:
  3985. case PORT_HW_CFG_TX_LASER_GPIO1:
  3986. case PORT_HW_CFG_TX_LASER_GPIO2:
  3987. case PORT_HW_CFG_TX_LASER_GPIO3:
  3988. {
  3989. u16 gpio_pin;
  3990. u8 gpio_port, gpio_mode;
  3991. if (tx_en)
  3992. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3993. else
  3994. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3995. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3996. gpio_port = bnx2x_get_gpio_port(params);
  3997. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3998. break;
  3999. }
  4000. default:
  4001. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  4002. break;
  4003. }
  4004. }
  4005. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4006. struct link_params *params,
  4007. u16 addr, u8 byte_cnt, u8 *o_buf)
  4008. {
  4009. struct bnx2x *bp = params->bp;
  4010. u16 val = 0;
  4011. u16 i;
  4012. if (byte_cnt > 16) {
  4013. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4014. " is limited to 0xf\n");
  4015. return -EINVAL;
  4016. }
  4017. /* Set the read command byte count */
  4018. bnx2x_cl45_write(bp, phy,
  4019. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4020. (byte_cnt | 0xa000));
  4021. /* Set the read command address */
  4022. bnx2x_cl45_write(bp, phy,
  4023. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4024. addr);
  4025. /* Activate read command */
  4026. bnx2x_cl45_write(bp, phy,
  4027. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4028. 0x2c0f);
  4029. /* Wait up to 500us for command complete status */
  4030. for (i = 0; i < 100; i++) {
  4031. bnx2x_cl45_read(bp, phy,
  4032. MDIO_PMA_DEVAD,
  4033. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4034. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4035. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4036. break;
  4037. udelay(5);
  4038. }
  4039. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4040. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4041. DP(NETIF_MSG_LINK,
  4042. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4043. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4044. return -EINVAL;
  4045. }
  4046. /* Read the buffer */
  4047. for (i = 0; i < byte_cnt; i++) {
  4048. bnx2x_cl45_read(bp, phy,
  4049. MDIO_PMA_DEVAD,
  4050. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4051. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4052. }
  4053. for (i = 0; i < 100; i++) {
  4054. bnx2x_cl45_read(bp, phy,
  4055. MDIO_PMA_DEVAD,
  4056. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4057. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4058. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4059. return 0;
  4060. msleep(1);
  4061. }
  4062. return -EINVAL;
  4063. }
  4064. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4065. struct link_params *params,
  4066. u16 addr, u8 byte_cnt, u8 *o_buf)
  4067. {
  4068. struct bnx2x *bp = params->bp;
  4069. u16 val, i;
  4070. if (byte_cnt > 16) {
  4071. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4072. " is limited to 0xf\n");
  4073. return -EINVAL;
  4074. }
  4075. /* Need to read from 1.8000 to clear it */
  4076. bnx2x_cl45_read(bp, phy,
  4077. MDIO_PMA_DEVAD,
  4078. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4079. &val);
  4080. /* Set the read command byte count */
  4081. bnx2x_cl45_write(bp, phy,
  4082. MDIO_PMA_DEVAD,
  4083. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4084. ((byte_cnt < 2) ? 2 : byte_cnt));
  4085. /* Set the read command address */
  4086. bnx2x_cl45_write(bp, phy,
  4087. MDIO_PMA_DEVAD,
  4088. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4089. addr);
  4090. /* Set the destination address */
  4091. bnx2x_cl45_write(bp, phy,
  4092. MDIO_PMA_DEVAD,
  4093. 0x8004,
  4094. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4095. /* Activate read command */
  4096. bnx2x_cl45_write(bp, phy,
  4097. MDIO_PMA_DEVAD,
  4098. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4099. 0x8002);
  4100. /*
  4101. * Wait appropriate time for two-wire command to finish before
  4102. * polling the status register
  4103. */
  4104. msleep(1);
  4105. /* Wait up to 500us for command complete status */
  4106. for (i = 0; i < 100; i++) {
  4107. bnx2x_cl45_read(bp, phy,
  4108. MDIO_PMA_DEVAD,
  4109. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4110. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4111. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4112. break;
  4113. udelay(5);
  4114. }
  4115. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4116. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4117. DP(NETIF_MSG_LINK,
  4118. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4119. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4120. return -EFAULT;
  4121. }
  4122. /* Read the buffer */
  4123. for (i = 0; i < byte_cnt; i++) {
  4124. bnx2x_cl45_read(bp, phy,
  4125. MDIO_PMA_DEVAD,
  4126. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4127. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4128. }
  4129. for (i = 0; i < 100; i++) {
  4130. bnx2x_cl45_read(bp, phy,
  4131. MDIO_PMA_DEVAD,
  4132. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4133. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4134. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4135. return 0;
  4136. msleep(1);
  4137. }
  4138. return -EINVAL;
  4139. }
  4140. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4141. struct link_params *params, u16 addr,
  4142. u8 byte_cnt, u8 *o_buf)
  4143. {
  4144. int rc = -EINVAL;
  4145. switch (phy->type) {
  4146. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4147. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4148. byte_cnt, o_buf);
  4149. break;
  4150. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4151. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4152. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4153. byte_cnt, o_buf);
  4154. break;
  4155. }
  4156. return rc;
  4157. }
  4158. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4159. struct link_params *params,
  4160. u16 *edc_mode)
  4161. {
  4162. struct bnx2x *bp = params->bp;
  4163. u32 sync_offset = 0, phy_idx, media_types;
  4164. u8 val, check_limiting_mode = 0;
  4165. *edc_mode = EDC_MODE_LIMITING;
  4166. phy->media_type = ETH_PHY_UNSPECIFIED;
  4167. /* First check for copper cable */
  4168. if (bnx2x_read_sfp_module_eeprom(phy,
  4169. params,
  4170. SFP_EEPROM_CON_TYPE_ADDR,
  4171. 1,
  4172. &val) != 0) {
  4173. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4174. return -EINVAL;
  4175. }
  4176. switch (val) {
  4177. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4178. {
  4179. u8 copper_module_type;
  4180. phy->media_type = ETH_PHY_DA_TWINAX;
  4181. /*
  4182. * Check if its active cable (includes SFP+ module)
  4183. * of passive cable
  4184. */
  4185. if (bnx2x_read_sfp_module_eeprom(phy,
  4186. params,
  4187. SFP_EEPROM_FC_TX_TECH_ADDR,
  4188. 1,
  4189. &copper_module_type) != 0) {
  4190. DP(NETIF_MSG_LINK,
  4191. "Failed to read copper-cable-type"
  4192. " from SFP+ EEPROM\n");
  4193. return -EINVAL;
  4194. }
  4195. if (copper_module_type &
  4196. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4197. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4198. check_limiting_mode = 1;
  4199. } else if (copper_module_type &
  4200. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4201. DP(NETIF_MSG_LINK, "Passive Copper"
  4202. " cable detected\n");
  4203. *edc_mode =
  4204. EDC_MODE_PASSIVE_DAC;
  4205. } else {
  4206. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4207. "type 0x%x !!!\n", copper_module_type);
  4208. return -EINVAL;
  4209. }
  4210. break;
  4211. }
  4212. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4213. phy->media_type = ETH_PHY_SFP_FIBER;
  4214. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4215. check_limiting_mode = 1;
  4216. break;
  4217. default:
  4218. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4219. val);
  4220. return -EINVAL;
  4221. }
  4222. sync_offset = params->shmem_base +
  4223. offsetof(struct shmem_region,
  4224. dev_info.port_hw_config[params->port].media_type);
  4225. media_types = REG_RD(bp, sync_offset);
  4226. /* Update media type for non-PMF sync */
  4227. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  4228. if (&(params->phy[phy_idx]) == phy) {
  4229. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  4230. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4231. media_types |= ((phy->media_type &
  4232. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  4233. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4234. break;
  4235. }
  4236. }
  4237. REG_WR(bp, sync_offset, media_types);
  4238. if (check_limiting_mode) {
  4239. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4240. if (bnx2x_read_sfp_module_eeprom(phy,
  4241. params,
  4242. SFP_EEPROM_OPTIONS_ADDR,
  4243. SFP_EEPROM_OPTIONS_SIZE,
  4244. options) != 0) {
  4245. DP(NETIF_MSG_LINK, "Failed to read Option"
  4246. " field from module EEPROM\n");
  4247. return -EINVAL;
  4248. }
  4249. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4250. *edc_mode = EDC_MODE_LINEAR;
  4251. else
  4252. *edc_mode = EDC_MODE_LIMITING;
  4253. }
  4254. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4255. return 0;
  4256. }
  4257. /*
  4258. * This function read the relevant field from the module (SFP+), and verify it
  4259. * is compliant with this board
  4260. */
  4261. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4262. struct link_params *params)
  4263. {
  4264. struct bnx2x *bp = params->bp;
  4265. u32 val, cmd;
  4266. u32 fw_resp, fw_cmd_param;
  4267. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4268. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4269. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4270. val = REG_RD(bp, params->shmem_base +
  4271. offsetof(struct shmem_region, dev_info.
  4272. port_feature_config[params->port].config));
  4273. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4274. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4275. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4276. return 0;
  4277. }
  4278. if (params->feature_config_flags &
  4279. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4280. /* Use specific phy request */
  4281. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4282. } else if (params->feature_config_flags &
  4283. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4284. /* Use first phy request only in case of non-dual media*/
  4285. if (DUAL_MEDIA(params)) {
  4286. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4287. "verification\n");
  4288. return -EINVAL;
  4289. }
  4290. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4291. } else {
  4292. /* No support in OPT MDL detection */
  4293. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4294. "verification\n");
  4295. return -EINVAL;
  4296. }
  4297. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4298. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4299. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4300. DP(NETIF_MSG_LINK, "Approved module\n");
  4301. return 0;
  4302. }
  4303. /* format the warning message */
  4304. if (bnx2x_read_sfp_module_eeprom(phy,
  4305. params,
  4306. SFP_EEPROM_VENDOR_NAME_ADDR,
  4307. SFP_EEPROM_VENDOR_NAME_SIZE,
  4308. (u8 *)vendor_name))
  4309. vendor_name[0] = '\0';
  4310. else
  4311. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4312. if (bnx2x_read_sfp_module_eeprom(phy,
  4313. params,
  4314. SFP_EEPROM_PART_NO_ADDR,
  4315. SFP_EEPROM_PART_NO_SIZE,
  4316. (u8 *)vendor_pn))
  4317. vendor_pn[0] = '\0';
  4318. else
  4319. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4320. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4321. " Port %d from %s part number %s\n",
  4322. params->port, vendor_name, vendor_pn);
  4323. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4324. return -EINVAL;
  4325. }
  4326. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4327. struct link_params *params)
  4328. {
  4329. u8 val;
  4330. struct bnx2x *bp = params->bp;
  4331. u16 timeout;
  4332. /*
  4333. * Initialization time after hot-plug may take up to 300ms for
  4334. * some phys type ( e.g. JDSU )
  4335. */
  4336. for (timeout = 0; timeout < 60; timeout++) {
  4337. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4338. == 0) {
  4339. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4340. "took %d ms\n", timeout * 5);
  4341. return 0;
  4342. }
  4343. msleep(5);
  4344. }
  4345. return -EINVAL;
  4346. }
  4347. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4348. struct bnx2x_phy *phy,
  4349. u8 is_power_up) {
  4350. /* Make sure GPIOs are not using for LED mode */
  4351. u16 val;
  4352. /*
  4353. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4354. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4355. * output
  4356. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4357. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4358. * where the 1st bit is the over-current(only input), and 2nd bit is
  4359. * for power( only output )
  4360. *
  4361. * In case of NOC feature is disabled and power is up, set GPIO control
  4362. * as input to enable listening of over-current indication
  4363. */
  4364. if (phy->flags & FLAGS_NOC)
  4365. return;
  4366. if (is_power_up)
  4367. val = (1<<4);
  4368. else
  4369. /*
  4370. * Set GPIO control to OUTPUT, and set the power bit
  4371. * to according to the is_power_up
  4372. */
  4373. val = (1<<1);
  4374. bnx2x_cl45_write(bp, phy,
  4375. MDIO_PMA_DEVAD,
  4376. MDIO_PMA_REG_8727_GPIO_CTRL,
  4377. val);
  4378. }
  4379. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4380. struct bnx2x_phy *phy,
  4381. u16 edc_mode)
  4382. {
  4383. u16 cur_limiting_mode;
  4384. bnx2x_cl45_read(bp, phy,
  4385. MDIO_PMA_DEVAD,
  4386. MDIO_PMA_REG_ROM_VER2,
  4387. &cur_limiting_mode);
  4388. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4389. cur_limiting_mode);
  4390. if (edc_mode == EDC_MODE_LIMITING) {
  4391. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4392. bnx2x_cl45_write(bp, phy,
  4393. MDIO_PMA_DEVAD,
  4394. MDIO_PMA_REG_ROM_VER2,
  4395. EDC_MODE_LIMITING);
  4396. } else { /* LRM mode ( default )*/
  4397. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4398. /*
  4399. * Changing to LRM mode takes quite few seconds. So do it only
  4400. * if current mode is limiting (default is LRM)
  4401. */
  4402. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4403. return 0;
  4404. bnx2x_cl45_write(bp, phy,
  4405. MDIO_PMA_DEVAD,
  4406. MDIO_PMA_REG_LRM_MODE,
  4407. 0);
  4408. bnx2x_cl45_write(bp, phy,
  4409. MDIO_PMA_DEVAD,
  4410. MDIO_PMA_REG_ROM_VER2,
  4411. 0x128);
  4412. bnx2x_cl45_write(bp, phy,
  4413. MDIO_PMA_DEVAD,
  4414. MDIO_PMA_REG_MISC_CTRL0,
  4415. 0x4008);
  4416. bnx2x_cl45_write(bp, phy,
  4417. MDIO_PMA_DEVAD,
  4418. MDIO_PMA_REG_LRM_MODE,
  4419. 0xaaaa);
  4420. }
  4421. return 0;
  4422. }
  4423. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4424. struct bnx2x_phy *phy,
  4425. u16 edc_mode)
  4426. {
  4427. u16 phy_identifier;
  4428. u16 rom_ver2_val;
  4429. bnx2x_cl45_read(bp, phy,
  4430. MDIO_PMA_DEVAD,
  4431. MDIO_PMA_REG_PHY_IDENTIFIER,
  4432. &phy_identifier);
  4433. bnx2x_cl45_write(bp, phy,
  4434. MDIO_PMA_DEVAD,
  4435. MDIO_PMA_REG_PHY_IDENTIFIER,
  4436. (phy_identifier & ~(1<<9)));
  4437. bnx2x_cl45_read(bp, phy,
  4438. MDIO_PMA_DEVAD,
  4439. MDIO_PMA_REG_ROM_VER2,
  4440. &rom_ver2_val);
  4441. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4442. bnx2x_cl45_write(bp, phy,
  4443. MDIO_PMA_DEVAD,
  4444. MDIO_PMA_REG_ROM_VER2,
  4445. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4446. bnx2x_cl45_write(bp, phy,
  4447. MDIO_PMA_DEVAD,
  4448. MDIO_PMA_REG_PHY_IDENTIFIER,
  4449. (phy_identifier | (1<<9)));
  4450. return 0;
  4451. }
  4452. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4453. struct link_params *params,
  4454. u32 action)
  4455. {
  4456. struct bnx2x *bp = params->bp;
  4457. switch (action) {
  4458. case DISABLE_TX:
  4459. bnx2x_sfp_set_transmitter(params, phy, 0);
  4460. break;
  4461. case ENABLE_TX:
  4462. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4463. bnx2x_sfp_set_transmitter(params, phy, 1);
  4464. break;
  4465. default:
  4466. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4467. action);
  4468. return;
  4469. }
  4470. }
  4471. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4472. u8 gpio_mode)
  4473. {
  4474. struct bnx2x *bp = params->bp;
  4475. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4476. offsetof(struct shmem_region,
  4477. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4478. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4479. switch (fault_led_gpio) {
  4480. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4481. return;
  4482. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4483. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4484. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4485. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4486. {
  4487. u8 gpio_port = bnx2x_get_gpio_port(params);
  4488. u16 gpio_pin = fault_led_gpio -
  4489. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4490. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4491. "pin %x port %x mode %x\n",
  4492. gpio_pin, gpio_port, gpio_mode);
  4493. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4494. }
  4495. break;
  4496. default:
  4497. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4498. fault_led_gpio);
  4499. }
  4500. }
  4501. static void bnx2x_power_sfp_module(struct link_params *params,
  4502. struct bnx2x_phy *phy,
  4503. u8 power)
  4504. {
  4505. struct bnx2x *bp = params->bp;
  4506. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4507. switch (phy->type) {
  4508. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4509. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4510. bnx2x_8727_power_module(params->bp, phy, power);
  4511. break;
  4512. default:
  4513. break;
  4514. }
  4515. }
  4516. static void bnx2x_set_limiting_mode(struct link_params *params,
  4517. struct bnx2x_phy *phy,
  4518. u16 edc_mode)
  4519. {
  4520. switch (phy->type) {
  4521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4522. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4523. break;
  4524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4525. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4526. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4527. break;
  4528. }
  4529. }
  4530. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4531. struct link_params *params)
  4532. {
  4533. struct bnx2x *bp = params->bp;
  4534. u16 edc_mode;
  4535. int rc = 0;
  4536. u32 val = REG_RD(bp, params->shmem_base +
  4537. offsetof(struct shmem_region, dev_info.
  4538. port_feature_config[params->port].config));
  4539. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4540. params->port);
  4541. /* Power up module */
  4542. bnx2x_power_sfp_module(params, phy, 1);
  4543. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4544. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4545. return -EINVAL;
  4546. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4547. /* check SFP+ module compatibility */
  4548. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4549. rc = -EINVAL;
  4550. /* Turn on fault module-detected led */
  4551. bnx2x_set_sfp_module_fault_led(params,
  4552. MISC_REGISTERS_GPIO_HIGH);
  4553. /* Check if need to power down the SFP+ module */
  4554. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4555. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4556. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4557. bnx2x_power_sfp_module(params, phy, 0);
  4558. return rc;
  4559. }
  4560. } else {
  4561. /* Turn off fault module-detected led */
  4562. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4563. }
  4564. /*
  4565. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4566. * is done automatically
  4567. */
  4568. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4569. /*
  4570. * Enable transmit for this module if the module is approved, or
  4571. * if unapproved modules should also enable the Tx laser
  4572. */
  4573. if (rc == 0 ||
  4574. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4575. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4576. bnx2x_sfp_set_transmitter(params, phy, 1);
  4577. else
  4578. bnx2x_sfp_set_transmitter(params, phy, 0);
  4579. return rc;
  4580. }
  4581. void bnx2x_handle_module_detect_int(struct link_params *params)
  4582. {
  4583. struct bnx2x *bp = params->bp;
  4584. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4585. u32 gpio_val;
  4586. u8 port = params->port;
  4587. /* Set valid module led off */
  4588. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4589. /* Get current gpio val reflecting module plugged in / out*/
  4590. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4591. /* Call the handling function in case module is detected */
  4592. if (gpio_val == 0) {
  4593. bnx2x_power_sfp_module(params, phy, 1);
  4594. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4595. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4596. port);
  4597. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4598. bnx2x_sfp_module_detection(phy, params);
  4599. else
  4600. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4601. } else {
  4602. u32 val = REG_RD(bp, params->shmem_base +
  4603. offsetof(struct shmem_region, dev_info.
  4604. port_feature_config[params->port].
  4605. config));
  4606. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4607. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4608. port);
  4609. /*
  4610. * Module was plugged out.
  4611. * Disable transmit for this module
  4612. */
  4613. phy->media_type = ETH_PHY_NOT_PRESENT;
  4614. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4615. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4616. bnx2x_sfp_set_transmitter(params, phy, 0);
  4617. }
  4618. }
  4619. /******************************************************************/
  4620. /* Used by 8706 and 8727 */
  4621. /******************************************************************/
  4622. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  4623. struct bnx2x_phy *phy,
  4624. u16 alarm_status_offset,
  4625. u16 alarm_ctrl_offset)
  4626. {
  4627. u16 alarm_status, val;
  4628. bnx2x_cl45_read(bp, phy,
  4629. MDIO_PMA_DEVAD, alarm_status_offset,
  4630. &alarm_status);
  4631. bnx2x_cl45_read(bp, phy,
  4632. MDIO_PMA_DEVAD, alarm_status_offset,
  4633. &alarm_status);
  4634. /* Mask or enable the fault event. */
  4635. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  4636. if (alarm_status & (1<<0))
  4637. val &= ~(1<<0);
  4638. else
  4639. val |= (1<<0);
  4640. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  4641. }
  4642. /******************************************************************/
  4643. /* common BCM8706/BCM8726 PHY SECTION */
  4644. /******************************************************************/
  4645. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4646. struct link_params *params,
  4647. struct link_vars *vars)
  4648. {
  4649. u8 link_up = 0;
  4650. u16 val1, val2, rx_sd, pcs_status;
  4651. struct bnx2x *bp = params->bp;
  4652. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4653. /* Clear RX Alarm*/
  4654. bnx2x_cl45_read(bp, phy,
  4655. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4656. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  4657. MDIO_PMA_REG_TX_ALARM_CTRL);
  4658. /* clear LASI indication*/
  4659. bnx2x_cl45_read(bp, phy,
  4660. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4661. bnx2x_cl45_read(bp, phy,
  4662. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4663. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4664. bnx2x_cl45_read(bp, phy,
  4665. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4666. bnx2x_cl45_read(bp, phy,
  4667. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4668. bnx2x_cl45_read(bp, phy,
  4669. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4670. bnx2x_cl45_read(bp, phy,
  4671. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4672. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4673. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4674. /*
  4675. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4676. * are set, or if the autoneg bit 1 is set
  4677. */
  4678. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4679. if (link_up) {
  4680. if (val2 & (1<<1))
  4681. vars->line_speed = SPEED_1000;
  4682. else
  4683. vars->line_speed = SPEED_10000;
  4684. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4685. vars->duplex = DUPLEX_FULL;
  4686. }
  4687. /* Capture 10G link fault. Read twice to clear stale value. */
  4688. if (vars->line_speed == SPEED_10000) {
  4689. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4690. MDIO_PMA_REG_TX_ALARM, &val1);
  4691. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4692. MDIO_PMA_REG_TX_ALARM, &val1);
  4693. if (val1 & (1<<0))
  4694. vars->fault_detected = 1;
  4695. }
  4696. return link_up;
  4697. }
  4698. /******************************************************************/
  4699. /* BCM8706 PHY SECTION */
  4700. /******************************************************************/
  4701. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4702. struct link_params *params,
  4703. struct link_vars *vars)
  4704. {
  4705. u32 tx_en_mode;
  4706. u16 cnt, val, tmp1;
  4707. struct bnx2x *bp = params->bp;
  4708. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4709. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4710. /* HW reset */
  4711. bnx2x_ext_phy_hw_reset(bp, params->port);
  4712. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4713. bnx2x_wait_reset_complete(bp, phy, params);
  4714. /* Wait until fw is loaded */
  4715. for (cnt = 0; cnt < 100; cnt++) {
  4716. bnx2x_cl45_read(bp, phy,
  4717. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4718. if (val)
  4719. break;
  4720. msleep(10);
  4721. }
  4722. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4723. if ((params->feature_config_flags &
  4724. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4725. u8 i;
  4726. u16 reg;
  4727. for (i = 0; i < 4; i++) {
  4728. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4729. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4730. MDIO_XS_8706_REG_BANK_RX0);
  4731. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4732. /* Clear first 3 bits of the control */
  4733. val &= ~0x7;
  4734. /* Set control bits according to configuration */
  4735. val |= (phy->rx_preemphasis[i] & 0x7);
  4736. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4737. " reg 0x%x <-- val 0x%x\n", reg, val);
  4738. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4739. }
  4740. }
  4741. /* Force speed */
  4742. if (phy->req_line_speed == SPEED_10000) {
  4743. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4744. bnx2x_cl45_write(bp, phy,
  4745. MDIO_PMA_DEVAD,
  4746. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4747. bnx2x_cl45_write(bp, phy,
  4748. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  4749. 0);
  4750. /* Arm LASI for link and Tx fault. */
  4751. bnx2x_cl45_write(bp, phy,
  4752. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
  4753. } else {
  4754. /* Force 1Gbps using autoneg with 1G advertisement */
  4755. /* Allow CL37 through CL73 */
  4756. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4757. bnx2x_cl45_write(bp, phy,
  4758. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4759. /* Enable Full-Duplex advertisement on CL37 */
  4760. bnx2x_cl45_write(bp, phy,
  4761. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4762. /* Enable CL37 AN */
  4763. bnx2x_cl45_write(bp, phy,
  4764. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4765. /* 1G support */
  4766. bnx2x_cl45_write(bp, phy,
  4767. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4768. /* Enable clause 73 AN */
  4769. bnx2x_cl45_write(bp, phy,
  4770. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4771. bnx2x_cl45_write(bp, phy,
  4772. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4773. 0x0400);
  4774. bnx2x_cl45_write(bp, phy,
  4775. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4776. 0x0004);
  4777. }
  4778. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4779. /*
  4780. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4781. * power mode, if TX Laser is disabled
  4782. */
  4783. tx_en_mode = REG_RD(bp, params->shmem_base +
  4784. offsetof(struct shmem_region,
  4785. dev_info.port_hw_config[params->port].sfp_ctrl))
  4786. & PORT_HW_CFG_TX_LASER_MASK;
  4787. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4788. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4789. bnx2x_cl45_read(bp, phy,
  4790. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4791. tmp1 |= 0x1;
  4792. bnx2x_cl45_write(bp, phy,
  4793. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4794. }
  4795. return 0;
  4796. }
  4797. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4798. struct link_params *params,
  4799. struct link_vars *vars)
  4800. {
  4801. return bnx2x_8706_8726_read_status(phy, params, vars);
  4802. }
  4803. /******************************************************************/
  4804. /* BCM8726 PHY SECTION */
  4805. /******************************************************************/
  4806. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4807. struct link_params *params)
  4808. {
  4809. struct bnx2x *bp = params->bp;
  4810. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4811. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4812. }
  4813. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4814. struct link_params *params)
  4815. {
  4816. struct bnx2x *bp = params->bp;
  4817. /* Need to wait 100ms after reset */
  4818. msleep(100);
  4819. /* Micro controller re-boot */
  4820. bnx2x_cl45_write(bp, phy,
  4821. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4822. /* Set soft reset */
  4823. bnx2x_cl45_write(bp, phy,
  4824. MDIO_PMA_DEVAD,
  4825. MDIO_PMA_REG_GEN_CTRL,
  4826. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4827. bnx2x_cl45_write(bp, phy,
  4828. MDIO_PMA_DEVAD,
  4829. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4830. bnx2x_cl45_write(bp, phy,
  4831. MDIO_PMA_DEVAD,
  4832. MDIO_PMA_REG_GEN_CTRL,
  4833. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4834. /* wait for 150ms for microcode load */
  4835. msleep(150);
  4836. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4837. bnx2x_cl45_write(bp, phy,
  4838. MDIO_PMA_DEVAD,
  4839. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4840. msleep(200);
  4841. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4842. }
  4843. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4844. struct link_params *params,
  4845. struct link_vars *vars)
  4846. {
  4847. struct bnx2x *bp = params->bp;
  4848. u16 val1;
  4849. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4850. if (link_up) {
  4851. bnx2x_cl45_read(bp, phy,
  4852. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4853. &val1);
  4854. if (val1 & (1<<15)) {
  4855. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4856. link_up = 0;
  4857. vars->line_speed = 0;
  4858. }
  4859. }
  4860. return link_up;
  4861. }
  4862. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4863. struct link_params *params,
  4864. struct link_vars *vars)
  4865. {
  4866. struct bnx2x *bp = params->bp;
  4867. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4868. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4869. bnx2x_wait_reset_complete(bp, phy, params);
  4870. bnx2x_8726_external_rom_boot(phy, params);
  4871. /*
  4872. * Need to call module detected on initialization since the module
  4873. * detection triggered by actual module insertion might occur before
  4874. * driver is loaded, and when driver is loaded, it reset all
  4875. * registers, including the transmitter
  4876. */
  4877. bnx2x_sfp_module_detection(phy, params);
  4878. if (phy->req_line_speed == SPEED_1000) {
  4879. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4880. bnx2x_cl45_write(bp, phy,
  4881. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4882. bnx2x_cl45_write(bp, phy,
  4883. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4884. bnx2x_cl45_write(bp, phy,
  4885. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4886. bnx2x_cl45_write(bp, phy,
  4887. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4888. 0x400);
  4889. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4890. (phy->speed_cap_mask &
  4891. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4892. ((phy->speed_cap_mask &
  4893. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4894. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4895. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4896. /* Set Flow control */
  4897. bnx2x_ext_phy_set_pause(params, phy, vars);
  4898. bnx2x_cl45_write(bp, phy,
  4899. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4900. bnx2x_cl45_write(bp, phy,
  4901. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4902. bnx2x_cl45_write(bp, phy,
  4903. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4904. bnx2x_cl45_write(bp, phy,
  4905. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4906. bnx2x_cl45_write(bp, phy,
  4907. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4908. /*
  4909. * Enable RX-ALARM control to receive interrupt for 1G speed
  4910. * change
  4911. */
  4912. bnx2x_cl45_write(bp, phy,
  4913. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4914. bnx2x_cl45_write(bp, phy,
  4915. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4916. 0x400);
  4917. } else { /* Default 10G. Set only LASI control */
  4918. bnx2x_cl45_write(bp, phy,
  4919. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4920. }
  4921. /* Set TX PreEmphasis if needed */
  4922. if ((params->feature_config_flags &
  4923. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4924. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4925. "TX_CTRL2 0x%x\n",
  4926. phy->tx_preemphasis[0],
  4927. phy->tx_preemphasis[1]);
  4928. bnx2x_cl45_write(bp, phy,
  4929. MDIO_PMA_DEVAD,
  4930. MDIO_PMA_REG_8726_TX_CTRL1,
  4931. phy->tx_preemphasis[0]);
  4932. bnx2x_cl45_write(bp, phy,
  4933. MDIO_PMA_DEVAD,
  4934. MDIO_PMA_REG_8726_TX_CTRL2,
  4935. phy->tx_preemphasis[1]);
  4936. }
  4937. return 0;
  4938. }
  4939. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4940. struct link_params *params)
  4941. {
  4942. struct bnx2x *bp = params->bp;
  4943. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4944. /* Set serial boot control for external load */
  4945. bnx2x_cl45_write(bp, phy,
  4946. MDIO_PMA_DEVAD,
  4947. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4948. }
  4949. /******************************************************************/
  4950. /* BCM8727 PHY SECTION */
  4951. /******************************************************************/
  4952. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4953. struct link_params *params, u8 mode)
  4954. {
  4955. struct bnx2x *bp = params->bp;
  4956. u16 led_mode_bitmask = 0;
  4957. u16 gpio_pins_bitmask = 0;
  4958. u16 val;
  4959. /* Only NOC flavor requires to set the LED specifically */
  4960. if (!(phy->flags & FLAGS_NOC))
  4961. return;
  4962. switch (mode) {
  4963. case LED_MODE_FRONT_PANEL_OFF:
  4964. case LED_MODE_OFF:
  4965. led_mode_bitmask = 0;
  4966. gpio_pins_bitmask = 0x03;
  4967. break;
  4968. case LED_MODE_ON:
  4969. led_mode_bitmask = 0;
  4970. gpio_pins_bitmask = 0x02;
  4971. break;
  4972. case LED_MODE_OPER:
  4973. led_mode_bitmask = 0x60;
  4974. gpio_pins_bitmask = 0x11;
  4975. break;
  4976. }
  4977. bnx2x_cl45_read(bp, phy,
  4978. MDIO_PMA_DEVAD,
  4979. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4980. &val);
  4981. val &= 0xff8f;
  4982. val |= led_mode_bitmask;
  4983. bnx2x_cl45_write(bp, phy,
  4984. MDIO_PMA_DEVAD,
  4985. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4986. val);
  4987. bnx2x_cl45_read(bp, phy,
  4988. MDIO_PMA_DEVAD,
  4989. MDIO_PMA_REG_8727_GPIO_CTRL,
  4990. &val);
  4991. val &= 0xffe0;
  4992. val |= gpio_pins_bitmask;
  4993. bnx2x_cl45_write(bp, phy,
  4994. MDIO_PMA_DEVAD,
  4995. MDIO_PMA_REG_8727_GPIO_CTRL,
  4996. val);
  4997. }
  4998. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4999. struct link_params *params) {
  5000. u32 swap_val, swap_override;
  5001. u8 port;
  5002. /*
  5003. * The PHY reset is controlled by GPIO 1. Fake the port number
  5004. * to cancel the swap done in set_gpio()
  5005. */
  5006. struct bnx2x *bp = params->bp;
  5007. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  5008. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  5009. port = (swap_val && swap_override) ^ 1;
  5010. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5011. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5012. }
  5013. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  5014. struct link_params *params,
  5015. struct link_vars *vars)
  5016. {
  5017. u32 tx_en_mode;
  5018. u16 tmp1, val, mod_abs, tmp2;
  5019. u16 rx_alarm_ctrl_val;
  5020. u16 lasi_ctrl_val;
  5021. struct bnx2x *bp = params->bp;
  5022. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  5023. bnx2x_wait_reset_complete(bp, phy, params);
  5024. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  5025. /* Should be 0x6 to enable XS on Tx side. */
  5026. lasi_ctrl_val = 0x0006;
  5027. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  5028. /* enable LASI */
  5029. bnx2x_cl45_write(bp, phy,
  5030. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5031. rx_alarm_ctrl_val);
  5032. bnx2x_cl45_write(bp, phy,
  5033. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  5034. 0);
  5035. bnx2x_cl45_write(bp, phy,
  5036. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  5037. /*
  5038. * Initially configure MOD_ABS to interrupt when module is
  5039. * presence( bit 8)
  5040. */
  5041. bnx2x_cl45_read(bp, phy,
  5042. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5043. /*
  5044. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  5045. * When the EDC is off it locks onto a reference clock and avoids
  5046. * becoming 'lost'
  5047. */
  5048. mod_abs &= ~(1<<8);
  5049. if (!(phy->flags & FLAGS_NOC))
  5050. mod_abs &= ~(1<<9);
  5051. bnx2x_cl45_write(bp, phy,
  5052. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5053. /* Make MOD_ABS give interrupt on change */
  5054. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  5055. &val);
  5056. val |= (1<<12);
  5057. if (phy->flags & FLAGS_NOC)
  5058. val |= (3<<5);
  5059. /*
  5060. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  5061. * status which reflect SFP+ module over-current
  5062. */
  5063. if (!(phy->flags & FLAGS_NOC))
  5064. val &= 0xff8f; /* Reset bits 4-6 */
  5065. bnx2x_cl45_write(bp, phy,
  5066. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  5067. bnx2x_8727_power_module(bp, phy, 1);
  5068. bnx2x_cl45_read(bp, phy,
  5069. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  5070. bnx2x_cl45_read(bp, phy,
  5071. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  5072. /* Set option 1G speed */
  5073. if (phy->req_line_speed == SPEED_1000) {
  5074. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  5075. bnx2x_cl45_write(bp, phy,
  5076. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  5077. bnx2x_cl45_write(bp, phy,
  5078. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  5079. bnx2x_cl45_read(bp, phy,
  5080. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  5081. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  5082. /*
  5083. * Power down the XAUI until link is up in case of dual-media
  5084. * and 1G
  5085. */
  5086. if (DUAL_MEDIA(params)) {
  5087. bnx2x_cl45_read(bp, phy,
  5088. MDIO_PMA_DEVAD,
  5089. MDIO_PMA_REG_8727_PCS_GP, &val);
  5090. val |= (3<<10);
  5091. bnx2x_cl45_write(bp, phy,
  5092. MDIO_PMA_DEVAD,
  5093. MDIO_PMA_REG_8727_PCS_GP, val);
  5094. }
  5095. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5096. ((phy->speed_cap_mask &
  5097. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  5098. ((phy->speed_cap_mask &
  5099. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  5100. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  5101. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  5102. bnx2x_cl45_write(bp, phy,
  5103. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  5104. bnx2x_cl45_write(bp, phy,
  5105. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5106. } else {
  5107. /*
  5108. * Since the 8727 has only single reset pin, need to set the 10G
  5109. * registers although it is default
  5110. */
  5111. bnx2x_cl45_write(bp, phy,
  5112. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5113. 0x0020);
  5114. bnx2x_cl45_write(bp, phy,
  5115. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5116. bnx2x_cl45_write(bp, phy,
  5117. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5118. bnx2x_cl45_write(bp, phy,
  5119. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5120. 0x0008);
  5121. }
  5122. /*
  5123. * Set 2-wire transfer rate of SFP+ module EEPROM
  5124. * to 100Khz since some DACs(direct attached cables) do
  5125. * not work at 400Khz.
  5126. */
  5127. bnx2x_cl45_write(bp, phy,
  5128. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5129. 0xa001);
  5130. /* Set TX PreEmphasis if needed */
  5131. if ((params->feature_config_flags &
  5132. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5133. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5134. phy->tx_preemphasis[0],
  5135. phy->tx_preemphasis[1]);
  5136. bnx2x_cl45_write(bp, phy,
  5137. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5138. phy->tx_preemphasis[0]);
  5139. bnx2x_cl45_write(bp, phy,
  5140. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5141. phy->tx_preemphasis[1]);
  5142. }
  5143. /*
  5144. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5145. * power mode, if TX Laser is disabled
  5146. */
  5147. tx_en_mode = REG_RD(bp, params->shmem_base +
  5148. offsetof(struct shmem_region,
  5149. dev_info.port_hw_config[params->port].sfp_ctrl))
  5150. & PORT_HW_CFG_TX_LASER_MASK;
  5151. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5152. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5153. bnx2x_cl45_read(bp, phy,
  5154. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5155. tmp2 |= 0x1000;
  5156. tmp2 &= 0xFFEF;
  5157. bnx2x_cl45_write(bp, phy,
  5158. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5159. }
  5160. return 0;
  5161. }
  5162. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5163. struct link_params *params)
  5164. {
  5165. struct bnx2x *bp = params->bp;
  5166. u16 mod_abs, rx_alarm_status;
  5167. u32 val = REG_RD(bp, params->shmem_base +
  5168. offsetof(struct shmem_region, dev_info.
  5169. port_feature_config[params->port].
  5170. config));
  5171. bnx2x_cl45_read(bp, phy,
  5172. MDIO_PMA_DEVAD,
  5173. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5174. if (mod_abs & (1<<8)) {
  5175. /* Module is absent */
  5176. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5177. "show module is absent\n");
  5178. phy->media_type = ETH_PHY_NOT_PRESENT;
  5179. /*
  5180. * 1. Set mod_abs to detect next module
  5181. * presence event
  5182. * 2. Set EDC off by setting OPTXLOS signal input to low
  5183. * (bit 9).
  5184. * When the EDC is off it locks onto a reference clock and
  5185. * avoids becoming 'lost'.
  5186. */
  5187. mod_abs &= ~(1<<8);
  5188. if (!(phy->flags & FLAGS_NOC))
  5189. mod_abs &= ~(1<<9);
  5190. bnx2x_cl45_write(bp, phy,
  5191. MDIO_PMA_DEVAD,
  5192. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5193. /*
  5194. * Clear RX alarm since it stays up as long as
  5195. * the mod_abs wasn't changed
  5196. */
  5197. bnx2x_cl45_read(bp, phy,
  5198. MDIO_PMA_DEVAD,
  5199. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5200. } else {
  5201. /* Module is present */
  5202. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5203. "show module is present\n");
  5204. /*
  5205. * First disable transmitter, and if the module is ok, the
  5206. * module_detection will enable it
  5207. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5208. * 2. Restore the default polarity of the OPRXLOS signal and
  5209. * this signal will then correctly indicate the presence or
  5210. * absence of the Rx signal. (bit 9)
  5211. */
  5212. mod_abs |= (1<<8);
  5213. if (!(phy->flags & FLAGS_NOC))
  5214. mod_abs |= (1<<9);
  5215. bnx2x_cl45_write(bp, phy,
  5216. MDIO_PMA_DEVAD,
  5217. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5218. /*
  5219. * Clear RX alarm since it stays up as long as the mod_abs
  5220. * wasn't changed. This is need to be done before calling the
  5221. * module detection, otherwise it will clear* the link update
  5222. * alarm
  5223. */
  5224. bnx2x_cl45_read(bp, phy,
  5225. MDIO_PMA_DEVAD,
  5226. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5227. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5228. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5229. bnx2x_sfp_set_transmitter(params, phy, 0);
  5230. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5231. bnx2x_sfp_module_detection(phy, params);
  5232. else
  5233. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5234. }
  5235. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5236. rx_alarm_status);
  5237. /* No need to check link status in case of module plugged in/out */
  5238. }
  5239. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5240. struct link_params *params,
  5241. struct link_vars *vars)
  5242. {
  5243. struct bnx2x *bp = params->bp;
  5244. u8 link_up = 0, oc_port = params->port;
  5245. u16 link_status = 0;
  5246. u16 rx_alarm_status, lasi_ctrl, val1;
  5247. /* If PHY is not initialized, do not check link status */
  5248. bnx2x_cl45_read(bp, phy,
  5249. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5250. &lasi_ctrl);
  5251. if (!lasi_ctrl)
  5252. return 0;
  5253. /* Check the LASI on Rx */
  5254. bnx2x_cl45_read(bp, phy,
  5255. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5256. &rx_alarm_status);
  5257. vars->line_speed = 0;
  5258. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5259. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  5260. MDIO_PMA_REG_TX_ALARM_CTRL);
  5261. bnx2x_cl45_read(bp, phy,
  5262. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5263. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5264. /* Clear MSG-OUT */
  5265. bnx2x_cl45_read(bp, phy,
  5266. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5267. /*
  5268. * If a module is present and there is need to check
  5269. * for over current
  5270. */
  5271. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5272. /* Check over-current using 8727 GPIO0 input*/
  5273. bnx2x_cl45_read(bp, phy,
  5274. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5275. &val1);
  5276. if ((val1 & (1<<8)) == 0) {
  5277. if (!CHIP_IS_E1x(bp))
  5278. oc_port = BP_PATH(bp) + (params->port << 1);
  5279. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5280. " on port %d\n", oc_port);
  5281. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5282. " been detected and the power to "
  5283. "that SFP+ module has been removed"
  5284. " to prevent failure of the card."
  5285. " Please remove the SFP+ module and"
  5286. " restart the system to clear this"
  5287. " error.\n",
  5288. oc_port);
  5289. /* Disable all RX_ALARMs except for mod_abs */
  5290. bnx2x_cl45_write(bp, phy,
  5291. MDIO_PMA_DEVAD,
  5292. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5293. bnx2x_cl45_read(bp, phy,
  5294. MDIO_PMA_DEVAD,
  5295. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5296. /* Wait for module_absent_event */
  5297. val1 |= (1<<8);
  5298. bnx2x_cl45_write(bp, phy,
  5299. MDIO_PMA_DEVAD,
  5300. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5301. /* Clear RX alarm */
  5302. bnx2x_cl45_read(bp, phy,
  5303. MDIO_PMA_DEVAD,
  5304. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5305. return 0;
  5306. }
  5307. } /* Over current check */
  5308. /* When module absent bit is set, check module */
  5309. if (rx_alarm_status & (1<<5)) {
  5310. bnx2x_8727_handle_mod_abs(phy, params);
  5311. /* Enable all mod_abs and link detection bits */
  5312. bnx2x_cl45_write(bp, phy,
  5313. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5314. ((1<<5) | (1<<2)));
  5315. }
  5316. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5317. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5318. /* If transmitter is disabled, ignore false link up indication */
  5319. bnx2x_cl45_read(bp, phy,
  5320. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5321. if (val1 & (1<<15)) {
  5322. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5323. return 0;
  5324. }
  5325. bnx2x_cl45_read(bp, phy,
  5326. MDIO_PMA_DEVAD,
  5327. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5328. /*
  5329. * Bits 0..2 --> speed detected,
  5330. * Bits 13..15--> link is down
  5331. */
  5332. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5333. link_up = 1;
  5334. vars->line_speed = SPEED_10000;
  5335. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5336. params->port);
  5337. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5338. link_up = 1;
  5339. vars->line_speed = SPEED_1000;
  5340. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5341. params->port);
  5342. } else {
  5343. link_up = 0;
  5344. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5345. params->port);
  5346. }
  5347. /* Capture 10G link fault. */
  5348. if (vars->line_speed == SPEED_10000) {
  5349. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5350. MDIO_PMA_REG_TX_ALARM, &val1);
  5351. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5352. MDIO_PMA_REG_TX_ALARM, &val1);
  5353. if (val1 & (1<<0)) {
  5354. vars->fault_detected = 1;
  5355. }
  5356. }
  5357. if (link_up) {
  5358. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5359. vars->duplex = DUPLEX_FULL;
  5360. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5361. }
  5362. if ((DUAL_MEDIA(params)) &&
  5363. (phy->req_line_speed == SPEED_1000)) {
  5364. bnx2x_cl45_read(bp, phy,
  5365. MDIO_PMA_DEVAD,
  5366. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5367. /*
  5368. * In case of dual-media board and 1G, power up the XAUI side,
  5369. * otherwise power it down. For 10G it is done automatically
  5370. */
  5371. if (link_up)
  5372. val1 &= ~(3<<10);
  5373. else
  5374. val1 |= (3<<10);
  5375. bnx2x_cl45_write(bp, phy,
  5376. MDIO_PMA_DEVAD,
  5377. MDIO_PMA_REG_8727_PCS_GP, val1);
  5378. }
  5379. return link_up;
  5380. }
  5381. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5382. struct link_params *params)
  5383. {
  5384. struct bnx2x *bp = params->bp;
  5385. /* Disable Transmitter */
  5386. bnx2x_sfp_set_transmitter(params, phy, 0);
  5387. /* Clear LASI */
  5388. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5389. }
  5390. /******************************************************************/
  5391. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5392. /******************************************************************/
  5393. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5394. struct link_params *params)
  5395. {
  5396. u16 val, fw_ver1, fw_ver2, cnt;
  5397. u8 port;
  5398. struct bnx2x *bp = params->bp;
  5399. port = params->port;
  5400. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5401. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5402. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  5403. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5404. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  5405. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  5406. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  5407. for (cnt = 0; cnt < 100; cnt++) {
  5408. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5409. if (val & 1)
  5410. break;
  5411. udelay(5);
  5412. }
  5413. if (cnt == 100) {
  5414. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5415. bnx2x_save_spirom_version(bp, port, 0,
  5416. phy->ver_addr);
  5417. return;
  5418. }
  5419. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5420. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  5421. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  5422. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  5423. for (cnt = 0; cnt < 100; cnt++) {
  5424. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  5425. if (val & 1)
  5426. break;
  5427. udelay(5);
  5428. }
  5429. if (cnt == 100) {
  5430. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5431. bnx2x_save_spirom_version(bp, port, 0,
  5432. phy->ver_addr);
  5433. return;
  5434. }
  5435. /* lower 16 bits of the register SPI_FW_STATUS */
  5436. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  5437. /* upper 16 bits of register SPI_FW_STATUS */
  5438. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  5439. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  5440. phy->ver_addr);
  5441. }
  5442. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5443. struct bnx2x_phy *phy)
  5444. {
  5445. u16 val;
  5446. /* PHYC_CTL_LED_CTL */
  5447. bnx2x_cl45_read(bp, phy,
  5448. MDIO_PMA_DEVAD,
  5449. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  5450. val &= 0xFE00;
  5451. val |= 0x0092;
  5452. bnx2x_cl45_write(bp, phy,
  5453. MDIO_PMA_DEVAD,
  5454. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  5455. bnx2x_cl45_write(bp, phy,
  5456. MDIO_PMA_DEVAD,
  5457. MDIO_PMA_REG_8481_LED1_MASK,
  5458. 0x80);
  5459. bnx2x_cl45_write(bp, phy,
  5460. MDIO_PMA_DEVAD,
  5461. MDIO_PMA_REG_8481_LED2_MASK,
  5462. 0x18);
  5463. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5464. bnx2x_cl45_write(bp, phy,
  5465. MDIO_PMA_DEVAD,
  5466. MDIO_PMA_REG_8481_LED3_MASK,
  5467. 0x0006);
  5468. /* Select the closest activity blink rate to that in 10/100/1000 */
  5469. bnx2x_cl45_write(bp, phy,
  5470. MDIO_PMA_DEVAD,
  5471. MDIO_PMA_REG_8481_LED3_BLINK,
  5472. 0);
  5473. bnx2x_cl45_read(bp, phy,
  5474. MDIO_PMA_DEVAD,
  5475. MDIO_PMA_REG_84823_CTL_LED_CTL_1, &val);
  5476. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5477. bnx2x_cl45_write(bp, phy,
  5478. MDIO_PMA_DEVAD,
  5479. MDIO_PMA_REG_84823_CTL_LED_CTL_1, val);
  5480. /* 'Interrupt Mask' */
  5481. bnx2x_cl45_write(bp, phy,
  5482. MDIO_AN_DEVAD,
  5483. 0xFFFB, 0xFFFD);
  5484. }
  5485. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5486. struct link_params *params,
  5487. struct link_vars *vars)
  5488. {
  5489. struct bnx2x *bp = params->bp;
  5490. u16 autoneg_val, an_1000_val, an_10_100_val;
  5491. u16 tmp_req_line_speed;
  5492. tmp_req_line_speed = phy->req_line_speed;
  5493. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5494. if (phy->req_line_speed == SPEED_10000)
  5495. phy->req_line_speed = SPEED_AUTO_NEG;
  5496. /*
  5497. * This phy uses the NIG latch mechanism since link indication
  5498. * arrives through its LED4 and not via its LASI signal, so we
  5499. * get steady signal instead of clear on read
  5500. */
  5501. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5502. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5503. bnx2x_cl45_write(bp, phy,
  5504. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5505. bnx2x_848xx_set_led(bp, phy);
  5506. /* set 1000 speed advertisement */
  5507. bnx2x_cl45_read(bp, phy,
  5508. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5509. &an_1000_val);
  5510. bnx2x_ext_phy_set_pause(params, phy, vars);
  5511. bnx2x_cl45_read(bp, phy,
  5512. MDIO_AN_DEVAD,
  5513. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5514. &an_10_100_val);
  5515. bnx2x_cl45_read(bp, phy,
  5516. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5517. &autoneg_val);
  5518. /* Disable forced speed */
  5519. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5520. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5521. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5522. (phy->speed_cap_mask &
  5523. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5524. (phy->req_line_speed == SPEED_1000)) {
  5525. an_1000_val |= (1<<8);
  5526. autoneg_val |= (1<<9 | 1<<12);
  5527. if (phy->req_duplex == DUPLEX_FULL)
  5528. an_1000_val |= (1<<9);
  5529. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5530. } else
  5531. an_1000_val &= ~((1<<8) | (1<<9));
  5532. bnx2x_cl45_write(bp, phy,
  5533. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5534. an_1000_val);
  5535. /* set 10 speed advertisement */
  5536. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5537. (phy->speed_cap_mask &
  5538. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5539. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5540. an_10_100_val |= (1<<7);
  5541. /* Enable autoneg and restart autoneg for legacy speeds */
  5542. autoneg_val |= (1<<9 | 1<<12);
  5543. if (phy->req_duplex == DUPLEX_FULL)
  5544. an_10_100_val |= (1<<8);
  5545. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5546. }
  5547. /* set 10 speed advertisement */
  5548. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5549. (phy->speed_cap_mask &
  5550. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5551. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5552. an_10_100_val |= (1<<5);
  5553. autoneg_val |= (1<<9 | 1<<12);
  5554. if (phy->req_duplex == DUPLEX_FULL)
  5555. an_10_100_val |= (1<<6);
  5556. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5557. }
  5558. /* Only 10/100 are allowed to work in FORCE mode */
  5559. if (phy->req_line_speed == SPEED_100) {
  5560. autoneg_val |= (1<<13);
  5561. /* Enabled AUTO-MDIX when autoneg is disabled */
  5562. bnx2x_cl45_write(bp, phy,
  5563. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5564. (1<<15 | 1<<9 | 7<<0));
  5565. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5566. }
  5567. if (phy->req_line_speed == SPEED_10) {
  5568. /* Enabled AUTO-MDIX when autoneg is disabled */
  5569. bnx2x_cl45_write(bp, phy,
  5570. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5571. (1<<15 | 1<<9 | 7<<0));
  5572. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5573. }
  5574. bnx2x_cl45_write(bp, phy,
  5575. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5576. an_10_100_val);
  5577. if (phy->req_duplex == DUPLEX_FULL)
  5578. autoneg_val |= (1<<8);
  5579. bnx2x_cl45_write(bp, phy,
  5580. MDIO_AN_DEVAD,
  5581. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5582. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5583. (phy->speed_cap_mask &
  5584. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5585. (phy->req_line_speed == SPEED_10000)) {
  5586. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5587. /* Restart autoneg for 10G*/
  5588. bnx2x_cl45_write(bp, phy,
  5589. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5590. 0x3200);
  5591. } else if (phy->req_line_speed != SPEED_10 &&
  5592. phy->req_line_speed != SPEED_100) {
  5593. bnx2x_cl45_write(bp, phy,
  5594. MDIO_AN_DEVAD,
  5595. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5596. 1);
  5597. }
  5598. /* Save spirom version */
  5599. bnx2x_save_848xx_spirom_version(phy, params);
  5600. phy->req_line_speed = tmp_req_line_speed;
  5601. return 0;
  5602. }
  5603. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5604. struct link_params *params,
  5605. struct link_vars *vars)
  5606. {
  5607. struct bnx2x *bp = params->bp;
  5608. /* Restore normal power mode*/
  5609. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5610. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5611. /* HW reset */
  5612. bnx2x_ext_phy_hw_reset(bp, params->port);
  5613. bnx2x_wait_reset_complete(bp, phy, params);
  5614. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5615. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5616. }
  5617. #define PHY84833_HDSHK_WAIT 300
  5618. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  5619. struct link_params *params,
  5620. struct link_vars *vars)
  5621. {
  5622. u32 idx;
  5623. u16 val;
  5624. u16 data = 0x01b1;
  5625. struct bnx2x *bp = params->bp;
  5626. /* Do pair swap */
  5627. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  5628. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5629. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5630. PHY84833_CMD_OPEN_OVERRIDE);
  5631. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5632. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5633. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5634. if (val == PHY84833_CMD_OPEN_FOR_CMDS)
  5635. break;
  5636. msleep(1);
  5637. }
  5638. if (idx >= PHY84833_HDSHK_WAIT) {
  5639. DP(NETIF_MSG_LINK, "Pairswap: FW not ready.\n");
  5640. return -EINVAL;
  5641. }
  5642. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5643. MDIO_84833_TOP_CFG_SCRATCH_REG4,
  5644. data);
  5645. /* Issue pair swap command */
  5646. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5647. MDIO_84833_TOP_CFG_SCRATCH_REG0,
  5648. PHY84833_DIAG_CMD_PAIR_SWAP_CHANGE);
  5649. for (idx = 0; idx < PHY84833_HDSHK_WAIT; idx++) {
  5650. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5651. MDIO_84833_TOP_CFG_SCRATCH_REG2, &val);
  5652. if ((val == PHY84833_CMD_COMPLETE_PASS) ||
  5653. (val == PHY84833_CMD_COMPLETE_ERROR))
  5654. break;
  5655. msleep(1);
  5656. }
  5657. if ((idx >= PHY84833_HDSHK_WAIT) ||
  5658. (val == PHY84833_CMD_COMPLETE_ERROR)) {
  5659. DP(NETIF_MSG_LINK, "Pairswap: override failed.\n");
  5660. return -EINVAL;
  5661. }
  5662. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5663. MDIO_84833_TOP_CFG_SCRATCH_REG2,
  5664. PHY84833_CMD_CLEAR_COMPLETE);
  5665. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data);
  5666. return 0;
  5667. }
  5668. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5669. struct link_params *params,
  5670. struct link_vars *vars)
  5671. {
  5672. struct bnx2x *bp = params->bp;
  5673. u8 port, initialize = 1;
  5674. u16 val;
  5675. u16 temp;
  5676. u32 actual_phy_selection, cms_enable;
  5677. int rc = 0;
  5678. msleep(1);
  5679. if (!(CHIP_IS_E1(bp)))
  5680. port = BP_PATH(bp);
  5681. else
  5682. port = params->port;
  5683. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5684. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5685. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5686. port);
  5687. } else {
  5688. bnx2x_cl45_write(bp, phy,
  5689. MDIO_PMA_DEVAD,
  5690. MDIO_PMA_REG_CTRL, 0x8000);
  5691. }
  5692. bnx2x_wait_reset_complete(bp, phy, params);
  5693. /* Wait for GPHY to come out of reset */
  5694. msleep(50);
  5695. /* Bring PHY out of super isolate mode */
  5696. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  5697. bnx2x_cl45_read(bp, phy,
  5698. MDIO_CTL_DEVAD,
  5699. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  5700. val &= ~MDIO_84833_SUPER_ISOLATE;
  5701. bnx2x_cl45_write(bp, phy,
  5702. MDIO_CTL_DEVAD,
  5703. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  5704. bnx2x_wait_reset_complete(bp, phy, params);
  5705. }
  5706. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5707. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  5708. /*
  5709. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5710. */
  5711. temp = vars->line_speed;
  5712. vars->line_speed = SPEED_10000;
  5713. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5714. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5715. vars->line_speed = temp;
  5716. /* Set dual-media configuration according to configuration */
  5717. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5718. MDIO_CTL_REG_84823_MEDIA, &val);
  5719. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5720. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5721. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5722. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5723. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5724. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5725. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5726. actual_phy_selection = bnx2x_phy_selection(params);
  5727. switch (actual_phy_selection) {
  5728. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5729. /* Do nothing. Essentially this is like the priority copper */
  5730. break;
  5731. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5732. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5733. break;
  5734. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5735. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5736. break;
  5737. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5738. /* Do nothing here. The first PHY won't be initialized at all */
  5739. break;
  5740. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5741. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5742. initialize = 0;
  5743. break;
  5744. }
  5745. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5746. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5747. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5748. MDIO_CTL_REG_84823_MEDIA, val);
  5749. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5750. params->multi_phy_config, val);
  5751. if (initialize)
  5752. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5753. else
  5754. bnx2x_save_848xx_spirom_version(phy, params);
  5755. cms_enable = REG_RD(bp, params->shmem_base +
  5756. offsetof(struct shmem_region,
  5757. dev_info.port_hw_config[params->port].default_cfg)) &
  5758. PORT_HW_CFG_ENABLE_CMS_MASK;
  5759. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5760. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5761. if (cms_enable)
  5762. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5763. else
  5764. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5765. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5766. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5767. return rc;
  5768. }
  5769. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5770. struct link_params *params,
  5771. struct link_vars *vars)
  5772. {
  5773. struct bnx2x *bp = params->bp;
  5774. u16 val, val1, val2;
  5775. u8 link_up = 0;
  5776. /* Check 10G-BaseT link status */
  5777. /* Check PMD signal ok */
  5778. bnx2x_cl45_read(bp, phy,
  5779. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5780. bnx2x_cl45_read(bp, phy,
  5781. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  5782. &val2);
  5783. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5784. /* Check link 10G */
  5785. if (val2 & (1<<11)) {
  5786. vars->line_speed = SPEED_10000;
  5787. vars->duplex = DUPLEX_FULL;
  5788. link_up = 1;
  5789. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5790. } else { /* Check Legacy speed link */
  5791. u16 legacy_status, legacy_speed;
  5792. /* Enable expansion register 0x42 (Operation mode status) */
  5793. bnx2x_cl45_write(bp, phy,
  5794. MDIO_AN_DEVAD,
  5795. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5796. /* Get legacy speed operation status */
  5797. bnx2x_cl45_read(bp, phy,
  5798. MDIO_AN_DEVAD,
  5799. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5800. &legacy_status);
  5801. DP(NETIF_MSG_LINK, "Legacy speed status"
  5802. " = 0x%x\n", legacy_status);
  5803. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5804. if (link_up) {
  5805. legacy_speed = (legacy_status & (3<<9));
  5806. if (legacy_speed == (0<<9))
  5807. vars->line_speed = SPEED_10;
  5808. else if (legacy_speed == (1<<9))
  5809. vars->line_speed = SPEED_100;
  5810. else if (legacy_speed == (2<<9))
  5811. vars->line_speed = SPEED_1000;
  5812. else /* Should not happen */
  5813. vars->line_speed = 0;
  5814. if (legacy_status & (1<<8))
  5815. vars->duplex = DUPLEX_FULL;
  5816. else
  5817. vars->duplex = DUPLEX_HALF;
  5818. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5819. " is_duplex_full= %d\n", vars->line_speed,
  5820. (vars->duplex == DUPLEX_FULL));
  5821. /* Check legacy speed AN resolution */
  5822. bnx2x_cl45_read(bp, phy,
  5823. MDIO_AN_DEVAD,
  5824. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5825. &val);
  5826. if (val & (1<<5))
  5827. vars->link_status |=
  5828. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5829. bnx2x_cl45_read(bp, phy,
  5830. MDIO_AN_DEVAD,
  5831. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5832. &val);
  5833. if ((val & (1<<0)) == 0)
  5834. vars->link_status |=
  5835. LINK_STATUS_PARALLEL_DETECTION_USED;
  5836. }
  5837. }
  5838. if (link_up) {
  5839. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5840. vars->line_speed);
  5841. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5842. }
  5843. return link_up;
  5844. }
  5845. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5846. {
  5847. int status = 0;
  5848. u32 spirom_ver;
  5849. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5850. status = bnx2x_format_ver(spirom_ver, str, len);
  5851. return status;
  5852. }
  5853. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5854. struct link_params *params)
  5855. {
  5856. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5857. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5858. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5859. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5860. }
  5861. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5862. struct link_params *params)
  5863. {
  5864. bnx2x_cl45_write(params->bp, phy,
  5865. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5866. bnx2x_cl45_write(params->bp, phy,
  5867. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5868. }
  5869. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5870. struct link_params *params)
  5871. {
  5872. struct bnx2x *bp = params->bp;
  5873. u8 port;
  5874. if (!(CHIP_IS_E1(bp)))
  5875. port = BP_PATH(bp);
  5876. else
  5877. port = params->port;
  5878. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  5879. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5880. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5881. port);
  5882. } else {
  5883. bnx2x_cl45_write(bp, phy,
  5884. MDIO_PMA_DEVAD,
  5885. MDIO_PMA_REG_CTRL, 0x800);
  5886. }
  5887. }
  5888. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5889. struct link_params *params, u8 mode)
  5890. {
  5891. struct bnx2x *bp = params->bp;
  5892. u16 val;
  5893. u8 port;
  5894. if (!(CHIP_IS_E1(bp)))
  5895. port = BP_PATH(bp);
  5896. else
  5897. port = params->port;
  5898. switch (mode) {
  5899. case LED_MODE_OFF:
  5900. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  5901. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5902. SHARED_HW_CFG_LED_EXTPHY1) {
  5903. /* Set LED masks */
  5904. bnx2x_cl45_write(bp, phy,
  5905. MDIO_PMA_DEVAD,
  5906. MDIO_PMA_REG_8481_LED1_MASK,
  5907. 0x0);
  5908. bnx2x_cl45_write(bp, phy,
  5909. MDIO_PMA_DEVAD,
  5910. MDIO_PMA_REG_8481_LED2_MASK,
  5911. 0x0);
  5912. bnx2x_cl45_write(bp, phy,
  5913. MDIO_PMA_DEVAD,
  5914. MDIO_PMA_REG_8481_LED3_MASK,
  5915. 0x0);
  5916. bnx2x_cl45_write(bp, phy,
  5917. MDIO_PMA_DEVAD,
  5918. MDIO_PMA_REG_8481_LED5_MASK,
  5919. 0x0);
  5920. } else {
  5921. bnx2x_cl45_write(bp, phy,
  5922. MDIO_PMA_DEVAD,
  5923. MDIO_PMA_REG_8481_LED1_MASK,
  5924. 0x0);
  5925. }
  5926. break;
  5927. case LED_MODE_FRONT_PANEL_OFF:
  5928. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5929. port);
  5930. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5931. SHARED_HW_CFG_LED_EXTPHY1) {
  5932. /* Set LED masks */
  5933. bnx2x_cl45_write(bp, phy,
  5934. MDIO_PMA_DEVAD,
  5935. MDIO_PMA_REG_8481_LED1_MASK,
  5936. 0x0);
  5937. bnx2x_cl45_write(bp, phy,
  5938. MDIO_PMA_DEVAD,
  5939. MDIO_PMA_REG_8481_LED2_MASK,
  5940. 0x0);
  5941. bnx2x_cl45_write(bp, phy,
  5942. MDIO_PMA_DEVAD,
  5943. MDIO_PMA_REG_8481_LED3_MASK,
  5944. 0x0);
  5945. bnx2x_cl45_write(bp, phy,
  5946. MDIO_PMA_DEVAD,
  5947. MDIO_PMA_REG_8481_LED5_MASK,
  5948. 0x20);
  5949. } else {
  5950. bnx2x_cl45_write(bp, phy,
  5951. MDIO_PMA_DEVAD,
  5952. MDIO_PMA_REG_8481_LED1_MASK,
  5953. 0x0);
  5954. }
  5955. break;
  5956. case LED_MODE_ON:
  5957. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  5958. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5959. SHARED_HW_CFG_LED_EXTPHY1) {
  5960. /* Set control reg */
  5961. bnx2x_cl45_read(bp, phy,
  5962. MDIO_PMA_DEVAD,
  5963. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5964. &val);
  5965. val &= 0x8000;
  5966. val |= 0x2492;
  5967. bnx2x_cl45_write(bp, phy,
  5968. MDIO_PMA_DEVAD,
  5969. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5970. val);
  5971. /* Set LED masks */
  5972. bnx2x_cl45_write(bp, phy,
  5973. MDIO_PMA_DEVAD,
  5974. MDIO_PMA_REG_8481_LED1_MASK,
  5975. 0x0);
  5976. bnx2x_cl45_write(bp, phy,
  5977. MDIO_PMA_DEVAD,
  5978. MDIO_PMA_REG_8481_LED2_MASK,
  5979. 0x20);
  5980. bnx2x_cl45_write(bp, phy,
  5981. MDIO_PMA_DEVAD,
  5982. MDIO_PMA_REG_8481_LED3_MASK,
  5983. 0x20);
  5984. bnx2x_cl45_write(bp, phy,
  5985. MDIO_PMA_DEVAD,
  5986. MDIO_PMA_REG_8481_LED5_MASK,
  5987. 0x0);
  5988. } else {
  5989. bnx2x_cl45_write(bp, phy,
  5990. MDIO_PMA_DEVAD,
  5991. MDIO_PMA_REG_8481_LED1_MASK,
  5992. 0x20);
  5993. }
  5994. break;
  5995. case LED_MODE_OPER:
  5996. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  5997. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5998. SHARED_HW_CFG_LED_EXTPHY1) {
  5999. /* Set control reg */
  6000. bnx2x_cl45_read(bp, phy,
  6001. MDIO_PMA_DEVAD,
  6002. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6003. &val);
  6004. if (!((val &
  6005. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  6006. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  6007. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  6008. bnx2x_cl45_write(bp, phy,
  6009. MDIO_PMA_DEVAD,
  6010. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6011. 0xa492);
  6012. }
  6013. /* Set LED masks */
  6014. bnx2x_cl45_write(bp, phy,
  6015. MDIO_PMA_DEVAD,
  6016. MDIO_PMA_REG_8481_LED1_MASK,
  6017. 0x10);
  6018. bnx2x_cl45_write(bp, phy,
  6019. MDIO_PMA_DEVAD,
  6020. MDIO_PMA_REG_8481_LED2_MASK,
  6021. 0x80);
  6022. bnx2x_cl45_write(bp, phy,
  6023. MDIO_PMA_DEVAD,
  6024. MDIO_PMA_REG_8481_LED3_MASK,
  6025. 0x98);
  6026. bnx2x_cl45_write(bp, phy,
  6027. MDIO_PMA_DEVAD,
  6028. MDIO_PMA_REG_8481_LED5_MASK,
  6029. 0x40);
  6030. } else {
  6031. bnx2x_cl45_write(bp, phy,
  6032. MDIO_PMA_DEVAD,
  6033. MDIO_PMA_REG_8481_LED1_MASK,
  6034. 0x80);
  6035. /* Tell LED3 to blink on source */
  6036. bnx2x_cl45_read(bp, phy,
  6037. MDIO_PMA_DEVAD,
  6038. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6039. &val);
  6040. val &= ~(7<<6);
  6041. val |= (1<<6); /* A83B[8:6]= 1 */
  6042. bnx2x_cl45_write(bp, phy,
  6043. MDIO_PMA_DEVAD,
  6044. MDIO_PMA_REG_8481_LINK_SIGNAL,
  6045. val);
  6046. }
  6047. break;
  6048. }
  6049. }
  6050. /******************************************************************/
  6051. /* SFX7101 PHY SECTION */
  6052. /******************************************************************/
  6053. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  6054. struct link_params *params)
  6055. {
  6056. struct bnx2x *bp = params->bp;
  6057. /* SFX7101_XGXS_TEST1 */
  6058. bnx2x_cl45_write(bp, phy,
  6059. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  6060. }
  6061. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  6062. struct link_params *params,
  6063. struct link_vars *vars)
  6064. {
  6065. u16 fw_ver1, fw_ver2, val;
  6066. struct bnx2x *bp = params->bp;
  6067. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  6068. /* Restore normal power mode*/
  6069. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6070. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6071. /* HW reset */
  6072. bnx2x_ext_phy_hw_reset(bp, params->port);
  6073. bnx2x_wait_reset_complete(bp, phy, params);
  6074. bnx2x_cl45_write(bp, phy,
  6075. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  6076. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  6077. bnx2x_cl45_write(bp, phy,
  6078. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  6079. bnx2x_ext_phy_set_pause(params, phy, vars);
  6080. /* Restart autoneg */
  6081. bnx2x_cl45_read(bp, phy,
  6082. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  6083. val |= 0x200;
  6084. bnx2x_cl45_write(bp, phy,
  6085. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  6086. /* Save spirom version */
  6087. bnx2x_cl45_read(bp, phy,
  6088. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  6089. bnx2x_cl45_read(bp, phy,
  6090. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  6091. bnx2x_save_spirom_version(bp, params->port,
  6092. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  6093. return 0;
  6094. }
  6095. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  6096. struct link_params *params,
  6097. struct link_vars *vars)
  6098. {
  6099. struct bnx2x *bp = params->bp;
  6100. u8 link_up;
  6101. u16 val1, val2;
  6102. bnx2x_cl45_read(bp, phy,
  6103. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  6104. bnx2x_cl45_read(bp, phy,
  6105. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  6106. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  6107. val2, val1);
  6108. bnx2x_cl45_read(bp, phy,
  6109. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6110. bnx2x_cl45_read(bp, phy,
  6111. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6112. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  6113. val2, val1);
  6114. link_up = ((val1 & 4) == 4);
  6115. /* if link is up print the AN outcome of the SFX7101 PHY */
  6116. if (link_up) {
  6117. bnx2x_cl45_read(bp, phy,
  6118. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  6119. &val2);
  6120. vars->line_speed = SPEED_10000;
  6121. vars->duplex = DUPLEX_FULL;
  6122. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  6123. val2, (val2 & (1<<14)));
  6124. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6125. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6126. }
  6127. return link_up;
  6128. }
  6129. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  6130. {
  6131. if (*len < 5)
  6132. return -EINVAL;
  6133. str[0] = (spirom_ver & 0xFF);
  6134. str[1] = (spirom_ver & 0xFF00) >> 8;
  6135. str[2] = (spirom_ver & 0xFF0000) >> 16;
  6136. str[3] = (spirom_ver & 0xFF000000) >> 24;
  6137. str[4] = '\0';
  6138. *len -= 5;
  6139. return 0;
  6140. }
  6141. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  6142. {
  6143. u16 val, cnt;
  6144. bnx2x_cl45_read(bp, phy,
  6145. MDIO_PMA_DEVAD,
  6146. MDIO_PMA_REG_7101_RESET, &val);
  6147. for (cnt = 0; cnt < 10; cnt++) {
  6148. msleep(50);
  6149. /* Writes a self-clearing reset */
  6150. bnx2x_cl45_write(bp, phy,
  6151. MDIO_PMA_DEVAD,
  6152. MDIO_PMA_REG_7101_RESET,
  6153. (val | (1<<15)));
  6154. /* Wait for clear */
  6155. bnx2x_cl45_read(bp, phy,
  6156. MDIO_PMA_DEVAD,
  6157. MDIO_PMA_REG_7101_RESET, &val);
  6158. if ((val & (1<<15)) == 0)
  6159. break;
  6160. }
  6161. }
  6162. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  6163. struct link_params *params) {
  6164. /* Low power mode is controlled by GPIO 2 */
  6165. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  6166. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6167. /* The PHY reset is controlled by GPIO 1 */
  6168. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  6169. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6170. }
  6171. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  6172. struct link_params *params, u8 mode)
  6173. {
  6174. u16 val = 0;
  6175. struct bnx2x *bp = params->bp;
  6176. switch (mode) {
  6177. case LED_MODE_FRONT_PANEL_OFF:
  6178. case LED_MODE_OFF:
  6179. val = 2;
  6180. break;
  6181. case LED_MODE_ON:
  6182. val = 1;
  6183. break;
  6184. case LED_MODE_OPER:
  6185. val = 0;
  6186. break;
  6187. }
  6188. bnx2x_cl45_write(bp, phy,
  6189. MDIO_PMA_DEVAD,
  6190. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  6191. val);
  6192. }
  6193. /******************************************************************/
  6194. /* STATIC PHY DECLARATION */
  6195. /******************************************************************/
  6196. static struct bnx2x_phy phy_null = {
  6197. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6198. .addr = 0,
  6199. .def_md_devad = 0,
  6200. .flags = FLAGS_INIT_XGXS_FIRST,
  6201. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6202. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6203. .mdio_ctrl = 0,
  6204. .supported = 0,
  6205. .media_type = ETH_PHY_NOT_PRESENT,
  6206. .ver_addr = 0,
  6207. .req_flow_ctrl = 0,
  6208. .req_line_speed = 0,
  6209. .speed_cap_mask = 0,
  6210. .req_duplex = 0,
  6211. .rsrv = 0,
  6212. .config_init = (config_init_t)NULL,
  6213. .read_status = (read_status_t)NULL,
  6214. .link_reset = (link_reset_t)NULL,
  6215. .config_loopback = (config_loopback_t)NULL,
  6216. .format_fw_ver = (format_fw_ver_t)NULL,
  6217. .hw_reset = (hw_reset_t)NULL,
  6218. .set_link_led = (set_link_led_t)NULL,
  6219. .phy_specific_func = (phy_specific_func_t)NULL
  6220. };
  6221. static struct bnx2x_phy phy_serdes = {
  6222. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6223. .addr = 0xff,
  6224. .def_md_devad = 0,
  6225. .flags = 0,
  6226. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6227. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6228. .mdio_ctrl = 0,
  6229. .supported = (SUPPORTED_10baseT_Half |
  6230. SUPPORTED_10baseT_Full |
  6231. SUPPORTED_100baseT_Half |
  6232. SUPPORTED_100baseT_Full |
  6233. SUPPORTED_1000baseT_Full |
  6234. SUPPORTED_2500baseX_Full |
  6235. SUPPORTED_TP |
  6236. SUPPORTED_Autoneg |
  6237. SUPPORTED_Pause |
  6238. SUPPORTED_Asym_Pause),
  6239. .media_type = ETH_PHY_BASE_T,
  6240. .ver_addr = 0,
  6241. .req_flow_ctrl = 0,
  6242. .req_line_speed = 0,
  6243. .speed_cap_mask = 0,
  6244. .req_duplex = 0,
  6245. .rsrv = 0,
  6246. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6247. .read_status = (read_status_t)bnx2x_link_settings_status,
  6248. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6249. .config_loopback = (config_loopback_t)NULL,
  6250. .format_fw_ver = (format_fw_ver_t)NULL,
  6251. .hw_reset = (hw_reset_t)NULL,
  6252. .set_link_led = (set_link_led_t)NULL,
  6253. .phy_specific_func = (phy_specific_func_t)NULL
  6254. };
  6255. static struct bnx2x_phy phy_xgxs = {
  6256. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6257. .addr = 0xff,
  6258. .def_md_devad = 0,
  6259. .flags = 0,
  6260. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6261. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6262. .mdio_ctrl = 0,
  6263. .supported = (SUPPORTED_10baseT_Half |
  6264. SUPPORTED_10baseT_Full |
  6265. SUPPORTED_100baseT_Half |
  6266. SUPPORTED_100baseT_Full |
  6267. SUPPORTED_1000baseT_Full |
  6268. SUPPORTED_2500baseX_Full |
  6269. SUPPORTED_10000baseT_Full |
  6270. SUPPORTED_FIBRE |
  6271. SUPPORTED_Autoneg |
  6272. SUPPORTED_Pause |
  6273. SUPPORTED_Asym_Pause),
  6274. .media_type = ETH_PHY_CX4,
  6275. .ver_addr = 0,
  6276. .req_flow_ctrl = 0,
  6277. .req_line_speed = 0,
  6278. .speed_cap_mask = 0,
  6279. .req_duplex = 0,
  6280. .rsrv = 0,
  6281. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  6282. .read_status = (read_status_t)bnx2x_link_settings_status,
  6283. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6284. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6285. .format_fw_ver = (format_fw_ver_t)NULL,
  6286. .hw_reset = (hw_reset_t)NULL,
  6287. .set_link_led = (set_link_led_t)NULL,
  6288. .phy_specific_func = (phy_specific_func_t)NULL
  6289. };
  6290. static struct bnx2x_phy phy_7101 = {
  6291. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6292. .addr = 0xff,
  6293. .def_md_devad = 0,
  6294. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6295. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6296. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6297. .mdio_ctrl = 0,
  6298. .supported = (SUPPORTED_10000baseT_Full |
  6299. SUPPORTED_TP |
  6300. SUPPORTED_Autoneg |
  6301. SUPPORTED_Pause |
  6302. SUPPORTED_Asym_Pause),
  6303. .media_type = ETH_PHY_BASE_T,
  6304. .ver_addr = 0,
  6305. .req_flow_ctrl = 0,
  6306. .req_line_speed = 0,
  6307. .speed_cap_mask = 0,
  6308. .req_duplex = 0,
  6309. .rsrv = 0,
  6310. .config_init = (config_init_t)bnx2x_7101_config_init,
  6311. .read_status = (read_status_t)bnx2x_7101_read_status,
  6312. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6313. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6314. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6315. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6316. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6317. .phy_specific_func = (phy_specific_func_t)NULL
  6318. };
  6319. static struct bnx2x_phy phy_8073 = {
  6320. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6321. .addr = 0xff,
  6322. .def_md_devad = 0,
  6323. .flags = FLAGS_HW_LOCK_REQUIRED,
  6324. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6325. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6326. .mdio_ctrl = 0,
  6327. .supported = (SUPPORTED_10000baseT_Full |
  6328. SUPPORTED_2500baseX_Full |
  6329. SUPPORTED_1000baseT_Full |
  6330. SUPPORTED_FIBRE |
  6331. SUPPORTED_Autoneg |
  6332. SUPPORTED_Pause |
  6333. SUPPORTED_Asym_Pause),
  6334. .media_type = ETH_PHY_KR,
  6335. .ver_addr = 0,
  6336. .req_flow_ctrl = 0,
  6337. .req_line_speed = 0,
  6338. .speed_cap_mask = 0,
  6339. .req_duplex = 0,
  6340. .rsrv = 0,
  6341. .config_init = (config_init_t)bnx2x_8073_config_init,
  6342. .read_status = (read_status_t)bnx2x_8073_read_status,
  6343. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6344. .config_loopback = (config_loopback_t)NULL,
  6345. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6346. .hw_reset = (hw_reset_t)NULL,
  6347. .set_link_led = (set_link_led_t)NULL,
  6348. .phy_specific_func = (phy_specific_func_t)NULL
  6349. };
  6350. static struct bnx2x_phy phy_8705 = {
  6351. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6352. .addr = 0xff,
  6353. .def_md_devad = 0,
  6354. .flags = FLAGS_INIT_XGXS_FIRST,
  6355. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6356. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6357. .mdio_ctrl = 0,
  6358. .supported = (SUPPORTED_10000baseT_Full |
  6359. SUPPORTED_FIBRE |
  6360. SUPPORTED_Pause |
  6361. SUPPORTED_Asym_Pause),
  6362. .media_type = ETH_PHY_XFP_FIBER,
  6363. .ver_addr = 0,
  6364. .req_flow_ctrl = 0,
  6365. .req_line_speed = 0,
  6366. .speed_cap_mask = 0,
  6367. .req_duplex = 0,
  6368. .rsrv = 0,
  6369. .config_init = (config_init_t)bnx2x_8705_config_init,
  6370. .read_status = (read_status_t)bnx2x_8705_read_status,
  6371. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6372. .config_loopback = (config_loopback_t)NULL,
  6373. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6374. .hw_reset = (hw_reset_t)NULL,
  6375. .set_link_led = (set_link_led_t)NULL,
  6376. .phy_specific_func = (phy_specific_func_t)NULL
  6377. };
  6378. static struct bnx2x_phy phy_8706 = {
  6379. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6380. .addr = 0xff,
  6381. .def_md_devad = 0,
  6382. .flags = FLAGS_INIT_XGXS_FIRST,
  6383. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6384. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6385. .mdio_ctrl = 0,
  6386. .supported = (SUPPORTED_10000baseT_Full |
  6387. SUPPORTED_1000baseT_Full |
  6388. SUPPORTED_FIBRE |
  6389. SUPPORTED_Pause |
  6390. SUPPORTED_Asym_Pause),
  6391. .media_type = ETH_PHY_SFP_FIBER,
  6392. .ver_addr = 0,
  6393. .req_flow_ctrl = 0,
  6394. .req_line_speed = 0,
  6395. .speed_cap_mask = 0,
  6396. .req_duplex = 0,
  6397. .rsrv = 0,
  6398. .config_init = (config_init_t)bnx2x_8706_config_init,
  6399. .read_status = (read_status_t)bnx2x_8706_read_status,
  6400. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6401. .config_loopback = (config_loopback_t)NULL,
  6402. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6403. .hw_reset = (hw_reset_t)NULL,
  6404. .set_link_led = (set_link_led_t)NULL,
  6405. .phy_specific_func = (phy_specific_func_t)NULL
  6406. };
  6407. static struct bnx2x_phy phy_8726 = {
  6408. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6409. .addr = 0xff,
  6410. .def_md_devad = 0,
  6411. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6412. FLAGS_INIT_XGXS_FIRST),
  6413. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6414. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6415. .mdio_ctrl = 0,
  6416. .supported = (SUPPORTED_10000baseT_Full |
  6417. SUPPORTED_1000baseT_Full |
  6418. SUPPORTED_Autoneg |
  6419. SUPPORTED_FIBRE |
  6420. SUPPORTED_Pause |
  6421. SUPPORTED_Asym_Pause),
  6422. .media_type = ETH_PHY_NOT_PRESENT,
  6423. .ver_addr = 0,
  6424. .req_flow_ctrl = 0,
  6425. .req_line_speed = 0,
  6426. .speed_cap_mask = 0,
  6427. .req_duplex = 0,
  6428. .rsrv = 0,
  6429. .config_init = (config_init_t)bnx2x_8726_config_init,
  6430. .read_status = (read_status_t)bnx2x_8726_read_status,
  6431. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6432. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6433. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6434. .hw_reset = (hw_reset_t)NULL,
  6435. .set_link_led = (set_link_led_t)NULL,
  6436. .phy_specific_func = (phy_specific_func_t)NULL
  6437. };
  6438. static struct bnx2x_phy phy_8727 = {
  6439. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6440. .addr = 0xff,
  6441. .def_md_devad = 0,
  6442. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6443. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6444. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6445. .mdio_ctrl = 0,
  6446. .supported = (SUPPORTED_10000baseT_Full |
  6447. SUPPORTED_1000baseT_Full |
  6448. SUPPORTED_FIBRE |
  6449. SUPPORTED_Pause |
  6450. SUPPORTED_Asym_Pause),
  6451. .media_type = ETH_PHY_NOT_PRESENT,
  6452. .ver_addr = 0,
  6453. .req_flow_ctrl = 0,
  6454. .req_line_speed = 0,
  6455. .speed_cap_mask = 0,
  6456. .req_duplex = 0,
  6457. .rsrv = 0,
  6458. .config_init = (config_init_t)bnx2x_8727_config_init,
  6459. .read_status = (read_status_t)bnx2x_8727_read_status,
  6460. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6461. .config_loopback = (config_loopback_t)NULL,
  6462. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6463. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6464. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6465. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6466. };
  6467. static struct bnx2x_phy phy_8481 = {
  6468. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6469. .addr = 0xff,
  6470. .def_md_devad = 0,
  6471. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6472. FLAGS_REARM_LATCH_SIGNAL,
  6473. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6474. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6475. .mdio_ctrl = 0,
  6476. .supported = (SUPPORTED_10baseT_Half |
  6477. SUPPORTED_10baseT_Full |
  6478. SUPPORTED_100baseT_Half |
  6479. SUPPORTED_100baseT_Full |
  6480. SUPPORTED_1000baseT_Full |
  6481. SUPPORTED_10000baseT_Full |
  6482. SUPPORTED_TP |
  6483. SUPPORTED_Autoneg |
  6484. SUPPORTED_Pause |
  6485. SUPPORTED_Asym_Pause),
  6486. .media_type = ETH_PHY_BASE_T,
  6487. .ver_addr = 0,
  6488. .req_flow_ctrl = 0,
  6489. .req_line_speed = 0,
  6490. .speed_cap_mask = 0,
  6491. .req_duplex = 0,
  6492. .rsrv = 0,
  6493. .config_init = (config_init_t)bnx2x_8481_config_init,
  6494. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6495. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6496. .config_loopback = (config_loopback_t)NULL,
  6497. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6498. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6499. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6500. .phy_specific_func = (phy_specific_func_t)NULL
  6501. };
  6502. static struct bnx2x_phy phy_84823 = {
  6503. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6504. .addr = 0xff,
  6505. .def_md_devad = 0,
  6506. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6507. FLAGS_REARM_LATCH_SIGNAL,
  6508. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6509. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6510. .mdio_ctrl = 0,
  6511. .supported = (SUPPORTED_10baseT_Half |
  6512. SUPPORTED_10baseT_Full |
  6513. SUPPORTED_100baseT_Half |
  6514. SUPPORTED_100baseT_Full |
  6515. SUPPORTED_1000baseT_Full |
  6516. SUPPORTED_10000baseT_Full |
  6517. SUPPORTED_TP |
  6518. SUPPORTED_Autoneg |
  6519. SUPPORTED_Pause |
  6520. SUPPORTED_Asym_Pause),
  6521. .media_type = ETH_PHY_BASE_T,
  6522. .ver_addr = 0,
  6523. .req_flow_ctrl = 0,
  6524. .req_line_speed = 0,
  6525. .speed_cap_mask = 0,
  6526. .req_duplex = 0,
  6527. .rsrv = 0,
  6528. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6529. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6530. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6531. .config_loopback = (config_loopback_t)NULL,
  6532. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6533. .hw_reset = (hw_reset_t)NULL,
  6534. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6535. .phy_specific_func = (phy_specific_func_t)NULL
  6536. };
  6537. static struct bnx2x_phy phy_84833 = {
  6538. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6539. .addr = 0xff,
  6540. .def_md_devad = 0,
  6541. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6542. FLAGS_REARM_LATCH_SIGNAL,
  6543. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6544. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6545. .mdio_ctrl = 0,
  6546. .supported = (SUPPORTED_10baseT_Half |
  6547. SUPPORTED_10baseT_Full |
  6548. SUPPORTED_100baseT_Half |
  6549. SUPPORTED_100baseT_Full |
  6550. SUPPORTED_1000baseT_Full |
  6551. SUPPORTED_10000baseT_Full |
  6552. SUPPORTED_TP |
  6553. SUPPORTED_Autoneg |
  6554. SUPPORTED_Pause |
  6555. SUPPORTED_Asym_Pause),
  6556. .media_type = ETH_PHY_BASE_T,
  6557. .ver_addr = 0,
  6558. .req_flow_ctrl = 0,
  6559. .req_line_speed = 0,
  6560. .speed_cap_mask = 0,
  6561. .req_duplex = 0,
  6562. .rsrv = 0,
  6563. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6564. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6565. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6566. .config_loopback = (config_loopback_t)NULL,
  6567. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6568. .hw_reset = (hw_reset_t)NULL,
  6569. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6570. .phy_specific_func = (phy_specific_func_t)NULL
  6571. };
  6572. /*****************************************************************/
  6573. /* */
  6574. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6575. /* */
  6576. /*****************************************************************/
  6577. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6578. struct bnx2x_phy *phy, u8 port,
  6579. u8 phy_index)
  6580. {
  6581. /* Get the 4 lanes xgxs config rx and tx */
  6582. u32 rx = 0, tx = 0, i;
  6583. for (i = 0; i < 2; i++) {
  6584. /*
  6585. * INT_PHY and EXT_PHY1 share the same value location in the
  6586. * shmem. When num_phys is greater than 1, than this value
  6587. * applies only to EXT_PHY1
  6588. */
  6589. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6590. rx = REG_RD(bp, shmem_base +
  6591. offsetof(struct shmem_region,
  6592. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6593. tx = REG_RD(bp, shmem_base +
  6594. offsetof(struct shmem_region,
  6595. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6596. } else {
  6597. rx = REG_RD(bp, shmem_base +
  6598. offsetof(struct shmem_region,
  6599. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6600. tx = REG_RD(bp, shmem_base +
  6601. offsetof(struct shmem_region,
  6602. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6603. }
  6604. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6605. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6606. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6607. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6608. }
  6609. }
  6610. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6611. u8 phy_index, u8 port)
  6612. {
  6613. u32 ext_phy_config = 0;
  6614. switch (phy_index) {
  6615. case EXT_PHY1:
  6616. ext_phy_config = REG_RD(bp, shmem_base +
  6617. offsetof(struct shmem_region,
  6618. dev_info.port_hw_config[port].external_phy_config));
  6619. break;
  6620. case EXT_PHY2:
  6621. ext_phy_config = REG_RD(bp, shmem_base +
  6622. offsetof(struct shmem_region,
  6623. dev_info.port_hw_config[port].external_phy_config2));
  6624. break;
  6625. default:
  6626. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6627. return -EINVAL;
  6628. }
  6629. return ext_phy_config;
  6630. }
  6631. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6632. struct bnx2x_phy *phy)
  6633. {
  6634. u32 phy_addr;
  6635. u32 chip_id;
  6636. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6637. offsetof(struct shmem_region,
  6638. dev_info.port_feature_config[port].link_config)) &
  6639. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6640. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6641. switch (switch_cfg) {
  6642. case SWITCH_CFG_1G:
  6643. phy_addr = REG_RD(bp,
  6644. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6645. port * 0x10);
  6646. *phy = phy_serdes;
  6647. break;
  6648. case SWITCH_CFG_10G:
  6649. phy_addr = REG_RD(bp,
  6650. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6651. port * 0x18);
  6652. *phy = phy_xgxs;
  6653. break;
  6654. default:
  6655. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6656. return -EINVAL;
  6657. }
  6658. phy->addr = (u8)phy_addr;
  6659. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6660. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6661. port);
  6662. if (CHIP_IS_E2(bp))
  6663. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6664. else
  6665. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6666. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6667. port, phy->addr, phy->mdio_ctrl);
  6668. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6669. return 0;
  6670. }
  6671. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  6672. u8 phy_index,
  6673. u32 shmem_base,
  6674. u32 shmem2_base,
  6675. u8 port,
  6676. struct bnx2x_phy *phy)
  6677. {
  6678. u32 ext_phy_config, phy_type, config2;
  6679. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6680. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6681. phy_index, port);
  6682. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6683. /* Select the phy type */
  6684. switch (phy_type) {
  6685. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6686. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6687. *phy = phy_8073;
  6688. break;
  6689. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6690. *phy = phy_8705;
  6691. break;
  6692. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6693. *phy = phy_8706;
  6694. break;
  6695. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6696. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6697. *phy = phy_8726;
  6698. break;
  6699. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6700. /* BCM8727_NOC => BCM8727 no over current */
  6701. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6702. *phy = phy_8727;
  6703. phy->flags |= FLAGS_NOC;
  6704. break;
  6705. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6707. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6708. *phy = phy_8727;
  6709. break;
  6710. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6711. *phy = phy_8481;
  6712. break;
  6713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6714. *phy = phy_84823;
  6715. break;
  6716. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6717. *phy = phy_84833;
  6718. break;
  6719. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6720. *phy = phy_7101;
  6721. break;
  6722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6723. *phy = phy_null;
  6724. return -EINVAL;
  6725. default:
  6726. *phy = phy_null;
  6727. return 0;
  6728. }
  6729. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6730. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6731. /*
  6732. * The shmem address of the phy version is located on different
  6733. * structures. In case this structure is too old, do not set
  6734. * the address
  6735. */
  6736. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6737. dev_info.shared_hw_config.config2));
  6738. if (phy_index == EXT_PHY1) {
  6739. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6740. port_mb[port].ext_phy_fw_version);
  6741. /* Check specific mdc mdio settings */
  6742. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6743. mdc_mdio_access = config2 &
  6744. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6745. } else {
  6746. u32 size = REG_RD(bp, shmem2_base);
  6747. if (size >
  6748. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6749. phy->ver_addr = shmem2_base +
  6750. offsetof(struct shmem2_region,
  6751. ext_phy_fw_version2[port]);
  6752. }
  6753. /* Check specific mdc mdio settings */
  6754. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6755. mdc_mdio_access = (config2 &
  6756. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6757. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6758. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6759. }
  6760. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6761. /*
  6762. * In case mdc/mdio_access of the external phy is different than the
  6763. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6764. * to prevent one port interfere with another port's CL45 operations.
  6765. */
  6766. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6767. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6768. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6769. phy_type, port, phy_index);
  6770. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6771. phy->addr, phy->mdio_ctrl);
  6772. return 0;
  6773. }
  6774. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6775. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6776. {
  6777. int status = 0;
  6778. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6779. if (phy_index == INT_PHY)
  6780. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6781. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6782. port, phy);
  6783. return status;
  6784. }
  6785. static void bnx2x_phy_def_cfg(struct link_params *params,
  6786. struct bnx2x_phy *phy,
  6787. u8 phy_index)
  6788. {
  6789. struct bnx2x *bp = params->bp;
  6790. u32 link_config;
  6791. /* Populate the default phy configuration for MF mode */
  6792. if (phy_index == EXT_PHY2) {
  6793. link_config = REG_RD(bp, params->shmem_base +
  6794. offsetof(struct shmem_region, dev_info.
  6795. port_feature_config[params->port].link_config2));
  6796. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6797. offsetof(struct shmem_region,
  6798. dev_info.
  6799. port_hw_config[params->port].speed_capability_mask2));
  6800. } else {
  6801. link_config = REG_RD(bp, params->shmem_base +
  6802. offsetof(struct shmem_region, dev_info.
  6803. port_feature_config[params->port].link_config));
  6804. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6805. offsetof(struct shmem_region,
  6806. dev_info.
  6807. port_hw_config[params->port].speed_capability_mask));
  6808. }
  6809. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6810. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6811. phy->req_duplex = DUPLEX_FULL;
  6812. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6813. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6814. phy->req_duplex = DUPLEX_HALF;
  6815. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6816. phy->req_line_speed = SPEED_10;
  6817. break;
  6818. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6819. phy->req_duplex = DUPLEX_HALF;
  6820. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6821. phy->req_line_speed = SPEED_100;
  6822. break;
  6823. case PORT_FEATURE_LINK_SPEED_1G:
  6824. phy->req_line_speed = SPEED_1000;
  6825. break;
  6826. case PORT_FEATURE_LINK_SPEED_2_5G:
  6827. phy->req_line_speed = SPEED_2500;
  6828. break;
  6829. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6830. phy->req_line_speed = SPEED_10000;
  6831. break;
  6832. default:
  6833. phy->req_line_speed = SPEED_AUTO_NEG;
  6834. break;
  6835. }
  6836. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6837. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6838. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6839. break;
  6840. case PORT_FEATURE_FLOW_CONTROL_TX:
  6841. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6842. break;
  6843. case PORT_FEATURE_FLOW_CONTROL_RX:
  6844. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6845. break;
  6846. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6847. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6848. break;
  6849. default:
  6850. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6851. break;
  6852. }
  6853. }
  6854. u32 bnx2x_phy_selection(struct link_params *params)
  6855. {
  6856. u32 phy_config_swapped, prio_cfg;
  6857. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6858. phy_config_swapped = params->multi_phy_config &
  6859. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6860. prio_cfg = params->multi_phy_config &
  6861. PORT_HW_CFG_PHY_SELECTION_MASK;
  6862. if (phy_config_swapped) {
  6863. switch (prio_cfg) {
  6864. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6865. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6866. break;
  6867. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6868. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6869. break;
  6870. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6871. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6872. break;
  6873. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6874. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6875. break;
  6876. }
  6877. } else
  6878. return_cfg = prio_cfg;
  6879. return return_cfg;
  6880. }
  6881. int bnx2x_phy_probe(struct link_params *params)
  6882. {
  6883. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6884. u32 phy_config_swapped, sync_offset, media_types;
  6885. struct bnx2x *bp = params->bp;
  6886. struct bnx2x_phy *phy;
  6887. params->num_phys = 0;
  6888. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6889. phy_config_swapped = params->multi_phy_config &
  6890. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6891. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6892. phy_index++) {
  6893. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6894. actual_phy_idx = phy_index;
  6895. if (phy_config_swapped) {
  6896. if (phy_index == EXT_PHY1)
  6897. actual_phy_idx = EXT_PHY2;
  6898. else if (phy_index == EXT_PHY2)
  6899. actual_phy_idx = EXT_PHY1;
  6900. }
  6901. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6902. " actual_phy_idx %x\n", phy_config_swapped,
  6903. phy_index, actual_phy_idx);
  6904. phy = &params->phy[actual_phy_idx];
  6905. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6906. params->shmem2_base, params->port,
  6907. phy) != 0) {
  6908. params->num_phys = 0;
  6909. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6910. phy_index);
  6911. for (phy_index = INT_PHY;
  6912. phy_index < MAX_PHYS;
  6913. phy_index++)
  6914. *phy = phy_null;
  6915. return -EINVAL;
  6916. }
  6917. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6918. break;
  6919. sync_offset = params->shmem_base +
  6920. offsetof(struct shmem_region,
  6921. dev_info.port_hw_config[params->port].media_type);
  6922. media_types = REG_RD(bp, sync_offset);
  6923. /*
  6924. * Update media type for non-PMF sync only for the first time
  6925. * In case the media type changes afterwards, it will be updated
  6926. * using the update_status function
  6927. */
  6928. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6929. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6930. actual_phy_idx))) == 0) {
  6931. media_types |= ((phy->media_type &
  6932. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6933. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6934. actual_phy_idx));
  6935. }
  6936. REG_WR(bp, sync_offset, media_types);
  6937. bnx2x_phy_def_cfg(params, phy, phy_index);
  6938. params->num_phys++;
  6939. }
  6940. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6941. return 0;
  6942. }
  6943. void bnx2x_init_bmac_loopback(struct link_params *params,
  6944. struct link_vars *vars)
  6945. {
  6946. struct bnx2x *bp = params->bp;
  6947. vars->link_up = 1;
  6948. vars->line_speed = SPEED_10000;
  6949. vars->duplex = DUPLEX_FULL;
  6950. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6951. vars->mac_type = MAC_TYPE_BMAC;
  6952. vars->phy_flags = PHY_XGXS_FLAG;
  6953. bnx2x_xgxs_deassert(params);
  6954. /* set bmac loopback */
  6955. bnx2x_bmac_enable(params, vars, 1);
  6956. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6957. }
  6958. void bnx2x_init_emac_loopback(struct link_params *params,
  6959. struct link_vars *vars)
  6960. {
  6961. struct bnx2x *bp = params->bp;
  6962. vars->link_up = 1;
  6963. vars->line_speed = SPEED_1000;
  6964. vars->duplex = DUPLEX_FULL;
  6965. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6966. vars->mac_type = MAC_TYPE_EMAC;
  6967. vars->phy_flags = PHY_XGXS_FLAG;
  6968. bnx2x_xgxs_deassert(params);
  6969. /* set bmac loopback */
  6970. bnx2x_emac_enable(params, vars, 1);
  6971. bnx2x_emac_program(params, vars);
  6972. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6973. }
  6974. void bnx2x_init_xgxs_loopback(struct link_params *params,
  6975. struct link_vars *vars)
  6976. {
  6977. struct bnx2x *bp = params->bp;
  6978. vars->link_up = 1;
  6979. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6980. vars->duplex = DUPLEX_FULL;
  6981. if (params->req_line_speed[0] == SPEED_1000)
  6982. vars->line_speed = SPEED_1000;
  6983. else
  6984. vars->line_speed = SPEED_10000;
  6985. bnx2x_xgxs_deassert(params);
  6986. bnx2x_link_initialize(params, vars);
  6987. if (params->req_line_speed[0] == SPEED_1000) {
  6988. bnx2x_emac_program(params, vars);
  6989. bnx2x_emac_enable(params, vars, 0);
  6990. } else
  6991. bnx2x_bmac_enable(params, vars, 0);
  6992. if (params->loopback_mode == LOOPBACK_XGXS) {
  6993. /* set 10G XGXS loopback */
  6994. params->phy[INT_PHY].config_loopback(
  6995. &params->phy[INT_PHY],
  6996. params);
  6997. } else {
  6998. /* set external phy loopback */
  6999. u8 phy_index;
  7000. for (phy_index = EXT_PHY1;
  7001. phy_index < params->num_phys; phy_index++) {
  7002. if (params->phy[phy_index].config_loopback)
  7003. params->phy[phy_index].config_loopback(
  7004. &params->phy[phy_index],
  7005. params);
  7006. }
  7007. }
  7008. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  7009. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  7010. }
  7011. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  7012. {
  7013. struct bnx2x *bp = params->bp;
  7014. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  7015. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  7016. params->req_line_speed[0], params->req_flow_ctrl[0]);
  7017. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  7018. params->req_line_speed[1], params->req_flow_ctrl[1]);
  7019. vars->link_status = 0;
  7020. vars->phy_link_up = 0;
  7021. vars->link_up = 0;
  7022. vars->line_speed = 0;
  7023. vars->duplex = DUPLEX_FULL;
  7024. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  7025. vars->mac_type = MAC_TYPE_NONE;
  7026. vars->phy_flags = 0;
  7027. /* disable attentions */
  7028. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  7029. (NIG_MASK_XGXS0_LINK_STATUS |
  7030. NIG_MASK_XGXS0_LINK10G |
  7031. NIG_MASK_SERDES0_LINK_STATUS |
  7032. NIG_MASK_MI_INT));
  7033. bnx2x_emac_init(params, vars);
  7034. if (params->num_phys == 0) {
  7035. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  7036. return -EINVAL;
  7037. }
  7038. set_phy_vars(params, vars);
  7039. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  7040. switch (params->loopback_mode) {
  7041. case LOOPBACK_BMAC:
  7042. bnx2x_init_bmac_loopback(params, vars);
  7043. break;
  7044. case LOOPBACK_EMAC:
  7045. bnx2x_init_emac_loopback(params, vars);
  7046. break;
  7047. case LOOPBACK_XGXS:
  7048. case LOOPBACK_EXT_PHY:
  7049. bnx2x_init_xgxs_loopback(params, vars);
  7050. break;
  7051. default:
  7052. /* No loopback */
  7053. if (params->switch_cfg == SWITCH_CFG_10G)
  7054. bnx2x_xgxs_deassert(params);
  7055. else
  7056. bnx2x_serdes_deassert(bp, params->port);
  7057. bnx2x_link_initialize(params, vars);
  7058. msleep(30);
  7059. bnx2x_link_int_enable(params);
  7060. break;
  7061. }
  7062. return 0;
  7063. }
  7064. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  7065. u8 reset_ext_phy)
  7066. {
  7067. struct bnx2x *bp = params->bp;
  7068. u8 phy_index, port = params->port, clear_latch_ind = 0;
  7069. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  7070. /* disable attentions */
  7071. vars->link_status = 0;
  7072. bnx2x_update_mng(params, vars->link_status);
  7073. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  7074. (NIG_MASK_XGXS0_LINK_STATUS |
  7075. NIG_MASK_XGXS0_LINK10G |
  7076. NIG_MASK_SERDES0_LINK_STATUS |
  7077. NIG_MASK_MI_INT));
  7078. /* activate nig drain */
  7079. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  7080. /* disable nig egress interface */
  7081. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7082. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7083. /* Stop BigMac rx */
  7084. bnx2x_bmac_rx_disable(bp, port);
  7085. /* disable emac */
  7086. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  7087. msleep(10);
  7088. /* The PHY reset is controlled by GPIO 1
  7089. * Hold it as vars low
  7090. */
  7091. /* clear link led */
  7092. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  7093. if (reset_ext_phy) {
  7094. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  7095. phy_index++) {
  7096. if (params->phy[phy_index].link_reset)
  7097. params->phy[phy_index].link_reset(
  7098. &params->phy[phy_index],
  7099. params);
  7100. if (params->phy[phy_index].flags &
  7101. FLAGS_REARM_LATCH_SIGNAL)
  7102. clear_latch_ind = 1;
  7103. }
  7104. }
  7105. if (clear_latch_ind) {
  7106. /* Clear latching indication */
  7107. bnx2x_rearm_latch_signal(bp, port, 0);
  7108. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  7109. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  7110. }
  7111. if (params->phy[INT_PHY].link_reset)
  7112. params->phy[INT_PHY].link_reset(
  7113. &params->phy[INT_PHY], params);
  7114. /* reset BigMac */
  7115. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  7116. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  7117. /* disable nig ingress interface */
  7118. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  7119. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  7120. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7121. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7122. vars->link_up = 0;
  7123. return 0;
  7124. }
  7125. /****************************************************************************/
  7126. /* Common function */
  7127. /****************************************************************************/
  7128. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  7129. u32 shmem_base_path[],
  7130. u32 shmem2_base_path[], u8 phy_index,
  7131. u32 chip_id)
  7132. {
  7133. struct bnx2x_phy phy[PORT_MAX];
  7134. struct bnx2x_phy *phy_blk[PORT_MAX];
  7135. u16 val;
  7136. s8 port = 0;
  7137. s8 port_of_path = 0;
  7138. u32 swap_val, swap_override;
  7139. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7140. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7141. port ^= (swap_val && swap_override);
  7142. bnx2x_ext_phy_hw_reset(bp, port);
  7143. /* PART1 - Reset both phys */
  7144. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7145. u32 shmem_base, shmem2_base;
  7146. /* In E2, same phy is using for port0 of the two paths */
  7147. if (CHIP_IS_E2(bp)) {
  7148. shmem_base = shmem_base_path[port];
  7149. shmem2_base = shmem2_base_path[port];
  7150. port_of_path = 0;
  7151. } else {
  7152. shmem_base = shmem_base_path[0];
  7153. shmem2_base = shmem2_base_path[0];
  7154. port_of_path = port;
  7155. }
  7156. /* Extract the ext phy address for the port */
  7157. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7158. port_of_path, &phy[port]) !=
  7159. 0) {
  7160. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  7161. return -EINVAL;
  7162. }
  7163. /* disable attentions */
  7164. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7165. port_of_path*4,
  7166. (NIG_MASK_XGXS0_LINK_STATUS |
  7167. NIG_MASK_XGXS0_LINK10G |
  7168. NIG_MASK_SERDES0_LINK_STATUS |
  7169. NIG_MASK_MI_INT));
  7170. /* Need to take the phy out of low power mode in order
  7171. to write to access its registers */
  7172. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7173. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7174. port);
  7175. /* Reset the phy */
  7176. bnx2x_cl45_write(bp, &phy[port],
  7177. MDIO_PMA_DEVAD,
  7178. MDIO_PMA_REG_CTRL,
  7179. 1<<15);
  7180. }
  7181. /* Add delay of 150ms after reset */
  7182. msleep(150);
  7183. if (phy[PORT_0].addr & 0x1) {
  7184. phy_blk[PORT_0] = &(phy[PORT_1]);
  7185. phy_blk[PORT_1] = &(phy[PORT_0]);
  7186. } else {
  7187. phy_blk[PORT_0] = &(phy[PORT_0]);
  7188. phy_blk[PORT_1] = &(phy[PORT_1]);
  7189. }
  7190. /* PART2 - Download firmware to both phys */
  7191. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7192. if (CHIP_IS_E2(bp))
  7193. port_of_path = 0;
  7194. else
  7195. port_of_path = port;
  7196. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7197. phy_blk[port]->addr);
  7198. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7199. port_of_path))
  7200. return -EINVAL;
  7201. /* Only set bit 10 = 1 (Tx power down) */
  7202. bnx2x_cl45_read(bp, phy_blk[port],
  7203. MDIO_PMA_DEVAD,
  7204. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7205. /* Phase1 of TX_POWER_DOWN reset */
  7206. bnx2x_cl45_write(bp, phy_blk[port],
  7207. MDIO_PMA_DEVAD,
  7208. MDIO_PMA_REG_TX_POWER_DOWN,
  7209. (val | 1<<10));
  7210. }
  7211. /*
  7212. * Toggle Transmitter: Power down and then up with 600ms delay
  7213. * between
  7214. */
  7215. msleep(600);
  7216. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7217. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7218. /* Phase2 of POWER_DOWN_RESET */
  7219. /* Release bit 10 (Release Tx power down) */
  7220. bnx2x_cl45_read(bp, phy_blk[port],
  7221. MDIO_PMA_DEVAD,
  7222. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7223. bnx2x_cl45_write(bp, phy_blk[port],
  7224. MDIO_PMA_DEVAD,
  7225. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7226. msleep(15);
  7227. /* Read modify write the SPI-ROM version select register */
  7228. bnx2x_cl45_read(bp, phy_blk[port],
  7229. MDIO_PMA_DEVAD,
  7230. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7231. bnx2x_cl45_write(bp, phy_blk[port],
  7232. MDIO_PMA_DEVAD,
  7233. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7234. /* set GPIO2 back to LOW */
  7235. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7236. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7237. }
  7238. return 0;
  7239. }
  7240. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7241. u32 shmem_base_path[],
  7242. u32 shmem2_base_path[], u8 phy_index,
  7243. u32 chip_id)
  7244. {
  7245. u32 val;
  7246. s8 port;
  7247. struct bnx2x_phy phy;
  7248. /* Use port1 because of the static port-swap */
  7249. /* Enable the module detection interrupt */
  7250. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7251. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7252. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7253. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7254. bnx2x_ext_phy_hw_reset(bp, 0);
  7255. msleep(5);
  7256. for (port = 0; port < PORT_MAX; port++) {
  7257. u32 shmem_base, shmem2_base;
  7258. /* In E2, same phy is using for port0 of the two paths */
  7259. if (CHIP_IS_E2(bp)) {
  7260. shmem_base = shmem_base_path[port];
  7261. shmem2_base = shmem2_base_path[port];
  7262. } else {
  7263. shmem_base = shmem_base_path[0];
  7264. shmem2_base = shmem2_base_path[0];
  7265. }
  7266. /* Extract the ext phy address for the port */
  7267. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7268. port, &phy) !=
  7269. 0) {
  7270. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7271. return -EINVAL;
  7272. }
  7273. /* Reset phy*/
  7274. bnx2x_cl45_write(bp, &phy,
  7275. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7276. /* Set fault module detected LED on */
  7277. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7278. MISC_REGISTERS_GPIO_HIGH,
  7279. port);
  7280. }
  7281. return 0;
  7282. }
  7283. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7284. u8 *io_gpio, u8 *io_port)
  7285. {
  7286. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7287. offsetof(struct shmem_region,
  7288. dev_info.port_hw_config[PORT_0].default_cfg));
  7289. switch (phy_gpio_reset) {
  7290. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7291. *io_gpio = 0;
  7292. *io_port = 0;
  7293. break;
  7294. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7295. *io_gpio = 1;
  7296. *io_port = 0;
  7297. break;
  7298. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7299. *io_gpio = 2;
  7300. *io_port = 0;
  7301. break;
  7302. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7303. *io_gpio = 3;
  7304. *io_port = 0;
  7305. break;
  7306. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7307. *io_gpio = 0;
  7308. *io_port = 1;
  7309. break;
  7310. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7311. *io_gpio = 1;
  7312. *io_port = 1;
  7313. break;
  7314. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7315. *io_gpio = 2;
  7316. *io_port = 1;
  7317. break;
  7318. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7319. *io_gpio = 3;
  7320. *io_port = 1;
  7321. break;
  7322. default:
  7323. /* Don't override the io_gpio and io_port */
  7324. break;
  7325. }
  7326. }
  7327. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7328. u32 shmem_base_path[],
  7329. u32 shmem2_base_path[], u8 phy_index,
  7330. u32 chip_id)
  7331. {
  7332. s8 port, reset_gpio;
  7333. u32 swap_val, swap_override;
  7334. struct bnx2x_phy phy[PORT_MAX];
  7335. struct bnx2x_phy *phy_blk[PORT_MAX];
  7336. s8 port_of_path;
  7337. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7338. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7339. reset_gpio = MISC_REGISTERS_GPIO_1;
  7340. port = 1;
  7341. /*
  7342. * Retrieve the reset gpio/port which control the reset.
  7343. * Default is GPIO1, PORT1
  7344. */
  7345. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7346. (u8 *)&reset_gpio, (u8 *)&port);
  7347. /* Calculate the port based on port swap */
  7348. port ^= (swap_val && swap_override);
  7349. /* Initiate PHY reset*/
  7350. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7351. port);
  7352. msleep(1);
  7353. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7354. port);
  7355. msleep(5);
  7356. /* PART1 - Reset both phys */
  7357. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7358. u32 shmem_base, shmem2_base;
  7359. /* In E2, same phy is using for port0 of the two paths */
  7360. if (CHIP_IS_E2(bp)) {
  7361. shmem_base = shmem_base_path[port];
  7362. shmem2_base = shmem2_base_path[port];
  7363. port_of_path = 0;
  7364. } else {
  7365. shmem_base = shmem_base_path[0];
  7366. shmem2_base = shmem2_base_path[0];
  7367. port_of_path = port;
  7368. }
  7369. /* Extract the ext phy address for the port */
  7370. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7371. port_of_path, &phy[port]) !=
  7372. 0) {
  7373. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7374. return -EINVAL;
  7375. }
  7376. /* disable attentions */
  7377. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7378. port_of_path*4,
  7379. (NIG_MASK_XGXS0_LINK_STATUS |
  7380. NIG_MASK_XGXS0_LINK10G |
  7381. NIG_MASK_SERDES0_LINK_STATUS |
  7382. NIG_MASK_MI_INT));
  7383. /* Reset the phy */
  7384. bnx2x_cl45_write(bp, &phy[port],
  7385. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7386. }
  7387. /* Add delay of 150ms after reset */
  7388. msleep(150);
  7389. if (phy[PORT_0].addr & 0x1) {
  7390. phy_blk[PORT_0] = &(phy[PORT_1]);
  7391. phy_blk[PORT_1] = &(phy[PORT_0]);
  7392. } else {
  7393. phy_blk[PORT_0] = &(phy[PORT_0]);
  7394. phy_blk[PORT_1] = &(phy[PORT_1]);
  7395. }
  7396. /* PART2 - Download firmware to both phys */
  7397. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7398. if (CHIP_IS_E2(bp))
  7399. port_of_path = 0;
  7400. else
  7401. port_of_path = port;
  7402. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7403. phy_blk[port]->addr);
  7404. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7405. port_of_path))
  7406. return -EINVAL;
  7407. }
  7408. return 0;
  7409. }
  7410. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7411. u32 shmem2_base_path[], u8 phy_index,
  7412. u32 ext_phy_type, u32 chip_id)
  7413. {
  7414. int rc = 0;
  7415. switch (ext_phy_type) {
  7416. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7417. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7418. shmem2_base_path,
  7419. phy_index, chip_id);
  7420. break;
  7421. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7422. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7423. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7424. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7425. shmem2_base_path,
  7426. phy_index, chip_id);
  7427. break;
  7428. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7429. /*
  7430. * GPIO1 affects both ports, so there's need to pull
  7431. * it for single port alone
  7432. */
  7433. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7434. shmem2_base_path,
  7435. phy_index, chip_id);
  7436. break;
  7437. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7438. rc = -EINVAL;
  7439. break;
  7440. default:
  7441. DP(NETIF_MSG_LINK,
  7442. "ext_phy 0x%x common init not required\n",
  7443. ext_phy_type);
  7444. break;
  7445. }
  7446. if (rc != 0)
  7447. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7448. " Port %d\n",
  7449. 0);
  7450. return rc;
  7451. }
  7452. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7453. u32 shmem2_base_path[], u32 chip_id)
  7454. {
  7455. int rc = 0;
  7456. u32 phy_ver;
  7457. u8 phy_index;
  7458. u32 ext_phy_type, ext_phy_config;
  7459. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  7460. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  7461. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7462. /* Check if common init was already done */
  7463. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7464. offsetof(struct shmem_region,
  7465. port_mb[PORT_0].ext_phy_fw_version));
  7466. if (phy_ver) {
  7467. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7468. phy_ver);
  7469. return 0;
  7470. }
  7471. /* Read the ext_phy_type for arbitrary port(0) */
  7472. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7473. phy_index++) {
  7474. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7475. shmem_base_path[0],
  7476. phy_index, 0);
  7477. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7478. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7479. shmem2_base_path,
  7480. phy_index, ext_phy_type,
  7481. chip_id);
  7482. }
  7483. return rc;
  7484. }
  7485. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7486. {
  7487. u8 phy_index;
  7488. struct bnx2x_phy phy;
  7489. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7490. phy_index++) {
  7491. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7492. 0, &phy) != 0) {
  7493. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7494. return 0;
  7495. }
  7496. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7497. return 1;
  7498. }
  7499. return 0;
  7500. }
  7501. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7502. u32 shmem_base,
  7503. u32 shmem2_base,
  7504. u8 port)
  7505. {
  7506. u8 phy_index, fan_failure_det_req = 0;
  7507. struct bnx2x_phy phy;
  7508. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7509. phy_index++) {
  7510. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7511. port, &phy)
  7512. != 0) {
  7513. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7514. return 0;
  7515. }
  7516. fan_failure_det_req |= (phy.flags &
  7517. FLAGS_FAN_FAILURE_DET_REQ);
  7518. }
  7519. return fan_failure_det_req;
  7520. }
  7521. void bnx2x_hw_reset_phy(struct link_params *params)
  7522. {
  7523. u8 phy_index;
  7524. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7525. phy_index++) {
  7526. if (params->phy[phy_index].hw_reset) {
  7527. params->phy[phy_index].hw_reset(
  7528. &params->phy[phy_index],
  7529. params);
  7530. params->phy[phy_index] = phy_null;
  7531. }
  7532. }
  7533. }
  7534. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  7535. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  7536. u8 port)
  7537. {
  7538. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  7539. u32 val;
  7540. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  7541. {
  7542. struct bnx2x_phy phy;
  7543. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7544. phy_index++) {
  7545. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  7546. shmem2_base, port, &phy)
  7547. != 0) {
  7548. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7549. return;
  7550. }
  7551. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  7552. gpio_num = MISC_REGISTERS_GPIO_3;
  7553. gpio_port = port;
  7554. break;
  7555. }
  7556. }
  7557. }
  7558. if (gpio_num == 0xff)
  7559. return;
  7560. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  7561. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  7562. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7563. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7564. gpio_port ^= (swap_val && swap_override);
  7565. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  7566. (gpio_num + (gpio_port << 2));
  7567. sync_offset = shmem_base +
  7568. offsetof(struct shmem_region,
  7569. dev_info.port_hw_config[port].aeu_int_mask);
  7570. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  7571. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  7572. gpio_num, gpio_port, vars->aeu_int_mask);
  7573. if (port == 0)
  7574. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  7575. else
  7576. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  7577. /* Open appropriate AEU for interrupts */
  7578. aeu_mask = REG_RD(bp, offset);
  7579. aeu_mask |= vars->aeu_int_mask;
  7580. REG_WR(bp, offset, aeu_mask);
  7581. /* Enable the GPIO to trigger interrupt */
  7582. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7583. val |= 1 << (gpio_num + (gpio_port << 2));
  7584. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7585. }